/******/ (() => { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 39809:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const asn1 = exports;

asn1.bignum = __webpack_require__(4590);

asn1.define = (__webpack_require__(22500).define);
asn1.base = __webpack_require__(71979);
asn1.constants = __webpack_require__(36826);
asn1.decoders = __webpack_require__(78307);
asn1.encoders = __webpack_require__(56579);


/***/ }),

/***/ 22500:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const encoders = __webpack_require__(56579);
const decoders = __webpack_require__(78307);
const inherits = __webpack_require__(35717);

const api = exports;

api.define = function define(name, body) {
  return new Entity(name, body);
};

function Entity(name, body) {
  this.name = name;
  this.body = body;

  this.decoders = {};
  this.encoders = {};
}

Entity.prototype._createNamed = function createNamed(Base) {
  const name = this.name;

  function Generated(entity) {
    this._initNamed(entity, name);
  }
  inherits(Generated, Base);
  Generated.prototype._initNamed = function _initNamed(entity, name) {
    Base.call(this, entity, name);
  };

  return new Generated(this);
};

Entity.prototype._getDecoder = function _getDecoder(enc) {
  enc = enc || 'der';
  // Lazily create decoder
  if (!this.decoders.hasOwnProperty(enc))
    this.decoders[enc] = this._createNamed(decoders[enc]);
  return this.decoders[enc];
};

Entity.prototype.decode = function decode(data, enc, options) {
  return this._getDecoder(enc).decode(data, options);
};

Entity.prototype._getEncoder = function _getEncoder(enc) {
  enc = enc || 'der';
  // Lazily create encoder
  if (!this.encoders.hasOwnProperty(enc))
    this.encoders[enc] = this._createNamed(encoders[enc]);
  return this.encoders[enc];
};

Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
  return this._getEncoder(enc).encode(data, reporter);
};


/***/ }),

/***/ 36625:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);
const Reporter = (__webpack_require__(98465)/* .Reporter */ .b);
const Buffer = (__webpack_require__(2399).Buffer);

function DecoderBuffer(base, options) {
  Reporter.call(this, options);
  if (!Buffer.isBuffer(base)) {
    this.error('Input not Buffer');
    return;
  }

  this.base = base;
  this.offset = 0;
  this.length = base.length;
}
inherits(DecoderBuffer, Reporter);
exports.C = DecoderBuffer;

DecoderBuffer.isDecoderBuffer = function isDecoderBuffer(data) {
  if (data instanceof DecoderBuffer) {
    return true;
  }

  // Or accept compatible API
  const isCompatible = typeof data === 'object' &&
    Buffer.isBuffer(data.base) &&
    data.constructor.name === 'DecoderBuffer' &&
    typeof data.offset === 'number' &&
    typeof data.length === 'number' &&
    typeof data.save === 'function' &&
    typeof data.restore === 'function' &&
    typeof data.isEmpty === 'function' &&
    typeof data.readUInt8 === 'function' &&
    typeof data.skip === 'function' &&
    typeof data.raw === 'function';

  return isCompatible;
};

DecoderBuffer.prototype.save = function save() {
  return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
};

DecoderBuffer.prototype.restore = function restore(save) {
  // Return skipped data
  const res = new DecoderBuffer(this.base);
  res.offset = save.offset;
  res.length = this.offset;

  this.offset = save.offset;
  Reporter.prototype.restore.call(this, save.reporter);

  return res;
};

DecoderBuffer.prototype.isEmpty = function isEmpty() {
  return this.offset === this.length;
};

DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
  if (this.offset + 1 <= this.length)
    return this.base.readUInt8(this.offset++, true);
  else
    return this.error(fail || 'DecoderBuffer overrun');
};

DecoderBuffer.prototype.skip = function skip(bytes, fail) {
  if (!(this.offset + bytes <= this.length))
    return this.error(fail || 'DecoderBuffer overrun');

  const res = new DecoderBuffer(this.base);

  // Share reporter state
  res._reporterState = this._reporterState;

  res.offset = this.offset;
  res.length = this.offset + bytes;
  this.offset += bytes;
  return res;
};

DecoderBuffer.prototype.raw = function raw(save) {
  return this.base.slice(save ? save.offset : this.offset, this.length);
};

function EncoderBuffer(value, reporter) {
  if (Array.isArray(value)) {
    this.length = 0;
    this.value = value.map(function(item) {
      if (!EncoderBuffer.isEncoderBuffer(item))
        item = new EncoderBuffer(item, reporter);
      this.length += item.length;
      return item;
    }, this);
  } else if (typeof value === 'number') {
    if (!(0 <= value && value <= 0xff))
      return reporter.error('non-byte EncoderBuffer value');
    this.value = value;
    this.length = 1;
  } else if (typeof value === 'string') {
    this.value = value;
    this.length = Buffer.byteLength(value);
  } else if (Buffer.isBuffer(value)) {
    this.value = value;
    this.length = value.length;
  } else {
    return reporter.error('Unsupported type: ' + typeof value);
  }
}
exports.R = EncoderBuffer;

EncoderBuffer.isEncoderBuffer = function isEncoderBuffer(data) {
  if (data instanceof EncoderBuffer) {
    return true;
  }

  // Or accept compatible API
  const isCompatible = typeof data === 'object' &&
    data.constructor.name === 'EncoderBuffer' &&
    typeof data.length === 'number' &&
    typeof data.join === 'function';

  return isCompatible;
};

EncoderBuffer.prototype.join = function join(out, offset) {
  if (!out)
    out = Buffer.alloc(this.length);
  if (!offset)
    offset = 0;

  if (this.length === 0)
    return out;

  if (Array.isArray(this.value)) {
    this.value.forEach(function(item) {
      item.join(out, offset);
      offset += item.length;
    });
  } else {
    if (typeof this.value === 'number')
      out[offset] = this.value;
    else if (typeof this.value === 'string')
      out.write(this.value, offset);
    else if (Buffer.isBuffer(this.value))
      this.value.copy(out, offset);
    offset += this.length;
  }

  return out;
};


/***/ }),

/***/ 71979:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const base = exports;

base.Reporter = (__webpack_require__(98465)/* .Reporter */ .b);
base.DecoderBuffer = (__webpack_require__(36625)/* .DecoderBuffer */ .C);
base.EncoderBuffer = (__webpack_require__(36625)/* .EncoderBuffer */ .R);
base.Node = __webpack_require__(41949);


/***/ }),

/***/ 41949:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const Reporter = (__webpack_require__(98465)/* .Reporter */ .b);
const EncoderBuffer = (__webpack_require__(36625)/* .EncoderBuffer */ .R);
const DecoderBuffer = (__webpack_require__(36625)/* .DecoderBuffer */ .C);
const assert = __webpack_require__(79746);

// Supported tags
const tags = [
  'seq', 'seqof', 'set', 'setof', 'objid', 'bool',
  'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc',
  'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str',
  'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr'
];

// Public methods list
const methods = [
  'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
  'any', 'contains'
].concat(tags);

// Overrided methods list
const overrided = [
  '_peekTag', '_decodeTag', '_use',
  '_decodeStr', '_decodeObjid', '_decodeTime',
  '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',

  '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
  '_encodeNull', '_encodeInt', '_encodeBool'
];

function Node(enc, parent, name) {
  const state = {};
  this._baseState = state;

  state.name = name;
  state.enc = enc;

  state.parent = parent || null;
  state.children = null;

  // State
  state.tag = null;
  state.args = null;
  state.reverseArgs = null;
  state.choice = null;
  state.optional = false;
  state.any = false;
  state.obj = false;
  state.use = null;
  state.useDecoder = null;
  state.key = null;
  state['default'] = null;
  state.explicit = null;
  state.implicit = null;
  state.contains = null;

  // Should create new instance on each method
  if (!state.parent) {
    state.children = [];
    this._wrap();
  }
}
module.exports = Node;

const stateProps = [
  'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
  'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
  'implicit', 'contains'
];

Node.prototype.clone = function clone() {
  const state = this._baseState;
  const cstate = {};
  stateProps.forEach(function(prop) {
    cstate[prop] = state[prop];
  });
  const res = new this.constructor(cstate.parent);
  res._baseState = cstate;
  return res;
};

Node.prototype._wrap = function wrap() {
  const state = this._baseState;
  methods.forEach(function(method) {
    this[method] = function _wrappedMethod() {
      const clone = new this.constructor(this);
      state.children.push(clone);
      return clone[method].apply(clone, arguments);
    };
  }, this);
};

Node.prototype._init = function init(body) {
  const state = this._baseState;

  assert(state.parent === null);
  body.call(this);

  // Filter children
  state.children = state.children.filter(function(child) {
    return child._baseState.parent === this;
  }, this);
  assert.equal(state.children.length, 1, 'Root node can have only one child');
};

Node.prototype._useArgs = function useArgs(args) {
  const state = this._baseState;

  // Filter children and args
  const children = args.filter(function(arg) {
    return arg instanceof this.constructor;
  }, this);
  args = args.filter(function(arg) {
    return !(arg instanceof this.constructor);
  }, this);

  if (children.length !== 0) {
    assert(state.children === null);
    state.children = children;

    // Replace parent to maintain backward link
    children.forEach(function(child) {
      child._baseState.parent = this;
    }, this);
  }
  if (args.length !== 0) {
    assert(state.args === null);
    state.args = args;
    state.reverseArgs = args.map(function(arg) {
      if (typeof arg !== 'object' || arg.constructor !== Object)
        return arg;

      const res = {};
      Object.keys(arg).forEach(function(key) {
        if (key == (key | 0))
          key |= 0;
        const value = arg[key];
        res[value] = key;
      });
      return res;
    });
  }
};

//
// Overrided methods
//

overrided.forEach(function(method) {
  Node.prototype[method] = function _overrided() {
    const state = this._baseState;
    throw new Error(method + ' not implemented for encoding: ' + state.enc);
  };
});

//
// Public methods
//

tags.forEach(function(tag) {
  Node.prototype[tag] = function _tagMethod() {
    const state = this._baseState;
    const args = Array.prototype.slice.call(arguments);

    assert(state.tag === null);
    state.tag = tag;

    this._useArgs(args);

    return this;
  };
});

Node.prototype.use = function use(item) {
  assert(item);
  const state = this._baseState;

  assert(state.use === null);
  state.use = item;

  return this;
};

Node.prototype.optional = function optional() {
  const state = this._baseState;

  state.optional = true;

  return this;
};

Node.prototype.def = function def(val) {
  const state = this._baseState;

  assert(state['default'] === null);
  state['default'] = val;
  state.optional = true;

  return this;
};

Node.prototype.explicit = function explicit(num) {
  const state = this._baseState;

  assert(state.explicit === null && state.implicit === null);
  state.explicit = num;

  return this;
};

Node.prototype.implicit = function implicit(num) {
  const state = this._baseState;

  assert(state.explicit === null && state.implicit === null);
  state.implicit = num;

  return this;
};

Node.prototype.obj = function obj() {
  const state = this._baseState;
  const args = Array.prototype.slice.call(arguments);

  state.obj = true;

  if (args.length !== 0)
    this._useArgs(args);

  return this;
};

Node.prototype.key = function key(newKey) {
  const state = this._baseState;

  assert(state.key === null);
  state.key = newKey;

  return this;
};

Node.prototype.any = function any() {
  const state = this._baseState;

  state.any = true;

  return this;
};

Node.prototype.choice = function choice(obj) {
  const state = this._baseState;

  assert(state.choice === null);
  state.choice = obj;
  this._useArgs(Object.keys(obj).map(function(key) {
    return obj[key];
  }));

  return this;
};

Node.prototype.contains = function contains(item) {
  const state = this._baseState;

  assert(state.use === null);
  state.contains = item;

  return this;
};

//
// Decoding
//

Node.prototype._decode = function decode(input, options) {
  const state = this._baseState;

  // Decode root node
  if (state.parent === null)
    return input.wrapResult(state.children[0]._decode(input, options));

  let result = state['default'];
  let present = true;

  let prevKey = null;
  if (state.key !== null)
    prevKey = input.enterKey(state.key);

  // Check if tag is there
  if (state.optional) {
    let tag = null;
    if (state.explicit !== null)
      tag = state.explicit;
    else if (state.implicit !== null)
      tag = state.implicit;
    else if (state.tag !== null)
      tag = state.tag;

    if (tag === null && !state.any) {
      // Trial and Error
      const save = input.save();
      try {
        if (state.choice === null)
          this._decodeGeneric(state.tag, input, options);
        else
          this._decodeChoice(input, options);
        present = true;
      } catch (e) {
        present = false;
      }
      input.restore(save);
    } else {
      present = this._peekTag(input, tag, state.any);

      if (input.isError(present))
        return present;
    }
  }

  // Push object on stack
  let prevObj;
  if (state.obj && present)
    prevObj = input.enterObject();

  if (present) {
    // Unwrap explicit values
    if (state.explicit !== null) {
      const explicit = this._decodeTag(input, state.explicit);
      if (input.isError(explicit))
        return explicit;
      input = explicit;
    }

    const start = input.offset;

    // Unwrap implicit and normal values
    if (state.use === null && state.choice === null) {
      let save;
      if (state.any)
        save = input.save();
      const body = this._decodeTag(
        input,
        state.implicit !== null ? state.implicit : state.tag,
        state.any
      );
      if (input.isError(body))
        return body;

      if (state.any)
        result = input.raw(save);
      else
        input = body;
    }

    if (options && options.track && state.tag !== null)
      options.track(input.path(), start, input.length, 'tagged');

    if (options && options.track && state.tag !== null)
      options.track(input.path(), input.offset, input.length, 'content');

    // Select proper method for tag
    if (state.any) {
      // no-op
    } else if (state.choice === null) {
      result = this._decodeGeneric(state.tag, input, options);
    } else {
      result = this._decodeChoice(input, options);
    }

    if (input.isError(result))
      return result;

    // Decode children
    if (!state.any && state.choice === null && state.children !== null) {
      state.children.forEach(function decodeChildren(child) {
        // NOTE: We are ignoring errors here, to let parser continue with other
        // parts of encoded data
        child._decode(input, options);
      });
    }

    // Decode contained/encoded by schema, only in bit or octet strings
    if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) {
      const data = new DecoderBuffer(result);
      result = this._getUse(state.contains, input._reporterState.obj)
        ._decode(data, options);
    }
  }

  // Pop object
  if (state.obj && present)
    result = input.leaveObject(prevObj);

  // Set key
  if (state.key !== null && (result !== null || present === true))
    input.leaveKey(prevKey, state.key, result);
  else if (prevKey !== null)
    input.exitKey(prevKey);

  return result;
};

Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) {
  const state = this._baseState;

  if (tag === 'seq' || tag === 'set')
    return null;
  if (tag === 'seqof' || tag === 'setof')
    return this._decodeList(input, tag, state.args[0], options);
  else if (/str$/.test(tag))
    return this._decodeStr(input, tag, options);
  else if (tag === 'objid' && state.args)
    return this._decodeObjid(input, state.args[0], state.args[1], options);
  else if (tag === 'objid')
    return this._decodeObjid(input, null, null, options);
  else if (tag === 'gentime' || tag === 'utctime')
    return this._decodeTime(input, tag, options);
  else if (tag === 'null_')
    return this._decodeNull(input, options);
  else if (tag === 'bool')
    return this._decodeBool(input, options);
  else if (tag === 'objDesc')
    return this._decodeStr(input, tag, options);
  else if (tag === 'int' || tag === 'enum')
    return this._decodeInt(input, state.args && state.args[0], options);

  if (state.use !== null) {
    return this._getUse(state.use, input._reporterState.obj)
      ._decode(input, options);
  } else {
    return input.error('unknown tag: ' + tag);
  }
};

Node.prototype._getUse = function _getUse(entity, obj) {

  const state = this._baseState;
  // Create altered use decoder if implicit is set
  state.useDecoder = this._use(entity, obj);
  assert(state.useDecoder._baseState.parent === null);
  state.useDecoder = state.useDecoder._baseState.children[0];
  if (state.implicit !== state.useDecoder._baseState.implicit) {
    state.useDecoder = state.useDecoder.clone();
    state.useDecoder._baseState.implicit = state.implicit;
  }
  return state.useDecoder;
};

Node.prototype._decodeChoice = function decodeChoice(input, options) {
  const state = this._baseState;
  let result = null;
  let match = false;

  Object.keys(state.choice).some(function(key) {
    const save = input.save();
    const node = state.choice[key];
    try {
      const value = node._decode(input, options);
      if (input.isError(value))
        return false;

      result = { type: key, value: value };
      match = true;
    } catch (e) {
      input.restore(save);
      return false;
    }
    return true;
  }, this);

  if (!match)
    return input.error('Choice not matched');

  return result;
};

//
// Encoding
//

Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
  return new EncoderBuffer(data, this.reporter);
};

Node.prototype._encode = function encode(data, reporter, parent) {
  const state = this._baseState;
  if (state['default'] !== null && state['default'] === data)
    return;

  const result = this._encodeValue(data, reporter, parent);
  if (result === undefined)
    return;

  if (this._skipDefault(result, reporter, parent))
    return;

  return result;
};

Node.prototype._encodeValue = function encode(data, reporter, parent) {
  const state = this._baseState;

  // Decode root node
  if (state.parent === null)
    return state.children[0]._encode(data, reporter || new Reporter());

  let result = null;

  // Set reporter to share it with a child class
  this.reporter = reporter;

  // Check if data is there
  if (state.optional && data === undefined) {
    if (state['default'] !== null)
      data = state['default'];
    else
      return;
  }

  // Encode children first
  let content = null;
  let primitive = false;
  if (state.any) {
    // Anything that was given is translated to buffer
    result = this._createEncoderBuffer(data);
  } else if (state.choice) {
    result = this._encodeChoice(data, reporter);
  } else if (state.contains) {
    content = this._getUse(state.contains, parent)._encode(data, reporter);
    primitive = true;
  } else if (state.children) {
    content = state.children.map(function(child) {
      if (child._baseState.tag === 'null_')
        return child._encode(null, reporter, data);

      if (child._baseState.key === null)
        return reporter.error('Child should have a key');
      const prevKey = reporter.enterKey(child._baseState.key);

      if (typeof data !== 'object')
        return reporter.error('Child expected, but input is not object');

      const res = child._encode(data[child._baseState.key], reporter, data);
      reporter.leaveKey(prevKey);

      return res;
    }, this).filter(function(child) {
      return child;
    });
    content = this._createEncoderBuffer(content);
  } else {
    if (state.tag === 'seqof' || state.tag === 'setof') {
      // TODO(indutny): this should be thrown on DSL level
      if (!(state.args && state.args.length === 1))
        return reporter.error('Too many args for : ' + state.tag);

      if (!Array.isArray(data))
        return reporter.error('seqof/setof, but data is not Array');

      const child = this.clone();
      child._baseState.implicit = null;
      content = this._createEncoderBuffer(data.map(function(item) {
        const state = this._baseState;

        return this._getUse(state.args[0], data)._encode(item, reporter);
      }, child));
    } else if (state.use !== null) {
      result = this._getUse(state.use, parent)._encode(data, reporter);
    } else {
      content = this._encodePrimitive(state.tag, data);
      primitive = true;
    }
  }

  // Encode data itself
  if (!state.any && state.choice === null) {
    const tag = state.implicit !== null ? state.implicit : state.tag;
    const cls = state.implicit === null ? 'universal' : 'context';

    if (tag === null) {
      if (state.use === null)
        reporter.error('Tag could be omitted only for .use()');
    } else {
      if (state.use === null)
        result = this._encodeComposite(tag, primitive, cls, content);
    }
  }

  // Wrap in explicit
  if (state.explicit !== null)
    result = this._encodeComposite(state.explicit, false, 'context', result);

  return result;
};

Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
  const state = this._baseState;

  const node = state.choice[data.type];
  if (!node) {
    assert(
      false,
      data.type + ' not found in ' +
            JSON.stringify(Object.keys(state.choice)));
  }
  return node._encode(data.value, reporter);
};

Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
  const state = this._baseState;

  if (/str$/.test(tag))
    return this._encodeStr(data, tag);
  else if (tag === 'objid' && state.args)
    return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
  else if (tag === 'objid')
    return this._encodeObjid(data, null, null);
  else if (tag === 'gentime' || tag === 'utctime')
    return this._encodeTime(data, tag);
  else if (tag === 'null_')
    return this._encodeNull();
  else if (tag === 'int' || tag === 'enum')
    return this._encodeInt(data, state.args && state.reverseArgs[0]);
  else if (tag === 'bool')
    return this._encodeBool(data);
  else if (tag === 'objDesc')
    return this._encodeStr(data, tag);
  else
    throw new Error('Unsupported tag: ' + tag);
};

Node.prototype._isNumstr = function isNumstr(str) {
  return /^[0-9 ]*$/.test(str);
};

Node.prototype._isPrintstr = function isPrintstr(str) {
  return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str);
};


/***/ }),

/***/ 98465:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);

function Reporter(options) {
  this._reporterState = {
    obj: null,
    path: [],
    options: options || {},
    errors: []
  };
}
exports.b = Reporter;

Reporter.prototype.isError = function isError(obj) {
  return obj instanceof ReporterError;
};

Reporter.prototype.save = function save() {
  const state = this._reporterState;

  return { obj: state.obj, pathLen: state.path.length };
};

Reporter.prototype.restore = function restore(data) {
  const state = this._reporterState;

  state.obj = data.obj;
  state.path = state.path.slice(0, data.pathLen);
};

Reporter.prototype.enterKey = function enterKey(key) {
  return this._reporterState.path.push(key);
};

Reporter.prototype.exitKey = function exitKey(index) {
  const state = this._reporterState;

  state.path = state.path.slice(0, index - 1);
};

Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
  const state = this._reporterState;

  this.exitKey(index);
  if (state.obj !== null)
    state.obj[key] = value;
};

Reporter.prototype.path = function path() {
  return this._reporterState.path.join('/');
};

Reporter.prototype.enterObject = function enterObject() {
  const state = this._reporterState;

  const prev = state.obj;
  state.obj = {};
  return prev;
};

Reporter.prototype.leaveObject = function leaveObject(prev) {
  const state = this._reporterState;

  const now = state.obj;
  state.obj = prev;
  return now;
};

Reporter.prototype.error = function error(msg) {
  let err;
  const state = this._reporterState;

  const inherited = msg instanceof ReporterError;
  if (inherited) {
    err = msg;
  } else {
    err = new ReporterError(state.path.map(function(elem) {
      return '[' + JSON.stringify(elem) + ']';
    }).join(''), msg.message || msg, msg.stack);
  }

  if (!state.options.partial)
    throw err;

  if (!inherited)
    state.errors.push(err);

  return err;
};

Reporter.prototype.wrapResult = function wrapResult(result) {
  const state = this._reporterState;
  if (!state.options.partial)
    return result;

  return {
    result: this.isError(result) ? null : result,
    errors: state.errors
  };
};

function ReporterError(path, msg) {
  this.path = path;
  this.rethrow(msg);
}
inherits(ReporterError, Error);

ReporterError.prototype.rethrow = function rethrow(msg) {
  this.message = msg + ' at: ' + (this.path || '(shallow)');
  if (Error.captureStackTrace)
    Error.captureStackTrace(this, ReporterError);

  if (!this.stack) {
    try {
      // IE only adds stack when thrown
      throw new Error(this.message);
    } catch (e) {
      this.stack = e.stack;
    }
  }
  return this;
};


/***/ }),

/***/ 70160:
/***/ ((__unused_webpack_module, exports) => {

"use strict";


// Helper
function reverse(map) {
  const res = {};

  Object.keys(map).forEach(function(key) {
    // Convert key to integer if it is stringified
    if ((key | 0) == key)
      key = key | 0;

    const value = map[key];
    res[value] = key;
  });

  return res;
}

exports.tagClass = {
  0: 'universal',
  1: 'application',
  2: 'context',
  3: 'private'
};
exports.tagClassByName = reverse(exports.tagClass);

exports.tag = {
  0x00: 'end',
  0x01: 'bool',
  0x02: 'int',
  0x03: 'bitstr',
  0x04: 'octstr',
  0x05: 'null_',
  0x06: 'objid',
  0x07: 'objDesc',
  0x08: 'external',
  0x09: 'real',
  0x0a: 'enum',
  0x0b: 'embed',
  0x0c: 'utf8str',
  0x0d: 'relativeOid',
  0x10: 'seq',
  0x11: 'set',
  0x12: 'numstr',
  0x13: 'printstr',
  0x14: 't61str',
  0x15: 'videostr',
  0x16: 'ia5str',
  0x17: 'utctime',
  0x18: 'gentime',
  0x19: 'graphstr',
  0x1a: 'iso646str',
  0x1b: 'genstr',
  0x1c: 'unistr',
  0x1d: 'charstr',
  0x1e: 'bmpstr'
};
exports.tagByName = reverse(exports.tag);


/***/ }),

/***/ 36826:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const constants = exports;

// Helper
constants._reverse = function reverse(map) {
  const res = {};

  Object.keys(map).forEach(function(key) {
    // Convert key to integer if it is stringified
    if ((key | 0) == key)
      key = key | 0;

    const value = map[key];
    res[value] = key;
  });

  return res;
};

constants.der = __webpack_require__(70160);


/***/ }),

/***/ 41671:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);

const bignum = __webpack_require__(4590);
const DecoderBuffer = (__webpack_require__(36625)/* .DecoderBuffer */ .C);
const Node = __webpack_require__(41949);

// Import DER constants
const der = __webpack_require__(70160);

function DERDecoder(entity) {
  this.enc = 'der';
  this.name = entity.name;
  this.entity = entity;

  // Construct base tree
  this.tree = new DERNode();
  this.tree._init(entity.body);
}
module.exports = DERDecoder;

DERDecoder.prototype.decode = function decode(data, options) {
  if (!DecoderBuffer.isDecoderBuffer(data)) {
    data = new DecoderBuffer(data, options);
  }

  return this.tree._decode(data, options);
};

// Tree methods

function DERNode(parent) {
  Node.call(this, 'der', parent);
}
inherits(DERNode, Node);

DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
  if (buffer.isEmpty())
    return false;

  const state = buffer.save();
  const decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
  if (buffer.isError(decodedTag))
    return decodedTag;

  buffer.restore(state);

  return decodedTag.tag === tag || decodedTag.tagStr === tag ||
    (decodedTag.tagStr + 'of') === tag || any;
};

DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
  const decodedTag = derDecodeTag(buffer,
    'Failed to decode tag of "' + tag + '"');
  if (buffer.isError(decodedTag))
    return decodedTag;

  let len = derDecodeLen(buffer,
    decodedTag.primitive,
    'Failed to get length of "' + tag + '"');

  // Failure
  if (buffer.isError(len))
    return len;

  if (!any &&
      decodedTag.tag !== tag &&
      decodedTag.tagStr !== tag &&
      decodedTag.tagStr + 'of' !== tag) {
    return buffer.error('Failed to match tag: "' + tag + '"');
  }

  if (decodedTag.primitive || len !== null)
    return buffer.skip(len, 'Failed to match body of: "' + tag + '"');

  // Indefinite length... find END tag
  const state = buffer.save();
  const res = this._skipUntilEnd(
    buffer,
    'Failed to skip indefinite length body: "' + this.tag + '"');
  if (buffer.isError(res))
    return res;

  len = buffer.offset - state.offset;
  buffer.restore(state);
  return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
};

DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
  for (;;) {
    const tag = derDecodeTag(buffer, fail);
    if (buffer.isError(tag))
      return tag;
    const len = derDecodeLen(buffer, tag.primitive, fail);
    if (buffer.isError(len))
      return len;

    let res;
    if (tag.primitive || len !== null)
      res = buffer.skip(len);
    else
      res = this._skipUntilEnd(buffer, fail);

    // Failure
    if (buffer.isError(res))
      return res;

    if (tag.tagStr === 'end')
      break;
  }
};

DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder,
  options) {
  const result = [];
  while (!buffer.isEmpty()) {
    const possibleEnd = this._peekTag(buffer, 'end');
    if (buffer.isError(possibleEnd))
      return possibleEnd;

    const res = decoder.decode(buffer, 'der', options);
    if (buffer.isError(res) && possibleEnd)
      break;
    result.push(res);
  }
  return result;
};

DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
  if (tag === 'bitstr') {
    const unused = buffer.readUInt8();
    if (buffer.isError(unused))
      return unused;
    return { unused: unused, data: buffer.raw() };
  } else if (tag === 'bmpstr') {
    const raw = buffer.raw();
    if (raw.length % 2 === 1)
      return buffer.error('Decoding of string type: bmpstr length mismatch');

    let str = '';
    for (let i = 0; i < raw.length / 2; i++) {
      str += String.fromCharCode(raw.readUInt16BE(i * 2));
    }
    return str;
  } else if (tag === 'numstr') {
    const numstr = buffer.raw().toString('ascii');
    if (!this._isNumstr(numstr)) {
      return buffer.error('Decoding of string type: ' +
                          'numstr unsupported characters');
    }
    return numstr;
  } else if (tag === 'octstr') {
    return buffer.raw();
  } else if (tag === 'objDesc') {
    return buffer.raw();
  } else if (tag === 'printstr') {
    const printstr = buffer.raw().toString('ascii');
    if (!this._isPrintstr(printstr)) {
      return buffer.error('Decoding of string type: ' +
                          'printstr unsupported characters');
    }
    return printstr;
  } else if (/str$/.test(tag)) {
    return buffer.raw().toString();
  } else {
    return buffer.error('Decoding of string type: ' + tag + ' unsupported');
  }
};

DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
  let result;
  const identifiers = [];
  let ident = 0;
  let subident = 0;
  while (!buffer.isEmpty()) {
    subident = buffer.readUInt8();
    ident <<= 7;
    ident |= subident & 0x7f;
    if ((subident & 0x80) === 0) {
      identifiers.push(ident);
      ident = 0;
    }
  }
  if (subident & 0x80)
    identifiers.push(ident);

  const first = (identifiers[0] / 40) | 0;
  const second = identifiers[0] % 40;

  if (relative)
    result = identifiers;
  else
    result = [first, second].concat(identifiers.slice(1));

  if (values) {
    let tmp = values[result.join(' ')];
    if (tmp === undefined)
      tmp = values[result.join('.')];
    if (tmp !== undefined)
      result = tmp;
  }

  return result;
};

DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
  const str = buffer.raw().toString();

  let year;
  let mon;
  let day;
  let hour;
  let min;
  let sec;
  if (tag === 'gentime') {
    year = str.slice(0, 4) | 0;
    mon = str.slice(4, 6) | 0;
    day = str.slice(6, 8) | 0;
    hour = str.slice(8, 10) | 0;
    min = str.slice(10, 12) | 0;
    sec = str.slice(12, 14) | 0;
  } else if (tag === 'utctime') {
    year = str.slice(0, 2) | 0;
    mon = str.slice(2, 4) | 0;
    day = str.slice(4, 6) | 0;
    hour = str.slice(6, 8) | 0;
    min = str.slice(8, 10) | 0;
    sec = str.slice(10, 12) | 0;
    if (year < 70)
      year = 2000 + year;
    else
      year = 1900 + year;
  } else {
    return buffer.error('Decoding ' + tag + ' time is not supported yet');
  }

  return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
};

DERNode.prototype._decodeNull = function decodeNull() {
  return null;
};

DERNode.prototype._decodeBool = function decodeBool(buffer) {
  const res = buffer.readUInt8();
  if (buffer.isError(res))
    return res;
  else
    return res !== 0;
};

DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
  // Bigint, return as it is (assume big endian)
  const raw = buffer.raw();
  let res = new bignum(raw);

  if (values)
    res = values[res.toString(10)] || res;

  return res;
};

DERNode.prototype._use = function use(entity, obj) {
  if (typeof entity === 'function')
    entity = entity(obj);
  return entity._getDecoder('der').tree;
};

// Utility methods

function derDecodeTag(buf, fail) {
  let tag = buf.readUInt8(fail);
  if (buf.isError(tag))
    return tag;

  const cls = der.tagClass[tag >> 6];
  const primitive = (tag & 0x20) === 0;

  // Multi-octet tag - load
  if ((tag & 0x1f) === 0x1f) {
    let oct = tag;
    tag = 0;
    while ((oct & 0x80) === 0x80) {
      oct = buf.readUInt8(fail);
      if (buf.isError(oct))
        return oct;

      tag <<= 7;
      tag |= oct & 0x7f;
    }
  } else {
    tag &= 0x1f;
  }
  const tagStr = der.tag[tag];

  return {
    cls: cls,
    primitive: primitive,
    tag: tag,
    tagStr: tagStr
  };
}

function derDecodeLen(buf, primitive, fail) {
  let len = buf.readUInt8(fail);
  if (buf.isError(len))
    return len;

  // Indefinite form
  if (!primitive && len === 0x80)
    return null;

  // Definite form
  if ((len & 0x80) === 0) {
    // Short form
    return len;
  }

  // Long form
  const num = len & 0x7f;
  if (num > 4)
    return buf.error('length octect is too long');

  len = 0;
  for (let i = 0; i < num; i++) {
    len <<= 8;
    const j = buf.readUInt8(fail);
    if (buf.isError(j))
      return j;
    len |= j;
  }

  return len;
}


/***/ }),

/***/ 78307:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const decoders = exports;

decoders.der = __webpack_require__(41671);
decoders.pem = __webpack_require__(59631);


/***/ }),

/***/ 59631:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);
const Buffer = (__webpack_require__(2399).Buffer);

const DERDecoder = __webpack_require__(41671);

function PEMDecoder(entity) {
  DERDecoder.call(this, entity);
  this.enc = 'pem';
}
inherits(PEMDecoder, DERDecoder);
module.exports = PEMDecoder;

PEMDecoder.prototype.decode = function decode(data, options) {
  const lines = data.toString().split(/[\r\n]+/g);

  const label = options.label.toUpperCase();

  const re = /^-----(BEGIN|END) ([^-]+)-----$/;
  let start = -1;
  let end = -1;
  for (let i = 0; i < lines.length; i++) {
    const match = lines[i].match(re);
    if (match === null)
      continue;

    if (match[2] !== label)
      continue;

    if (start === -1) {
      if (match[1] !== 'BEGIN')
        break;
      start = i;
    } else {
      if (match[1] !== 'END')
        break;
      end = i;
      break;
    }
  }
  if (start === -1 || end === -1)
    throw new Error('PEM section not found for: ' + label);

  const base64 = lines.slice(start + 1, end).join('');
  // Remove excessive symbols
  base64.replace(/[^a-z0-9+/=]+/gi, '');

  const input = Buffer.from(base64, 'base64');
  return DERDecoder.prototype.decode.call(this, input, options);
};


/***/ }),

/***/ 66984:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);
const Buffer = (__webpack_require__(2399).Buffer);
const Node = __webpack_require__(41949);

// Import DER constants
const der = __webpack_require__(70160);

function DEREncoder(entity) {
  this.enc = 'der';
  this.name = entity.name;
  this.entity = entity;

  // Construct base tree
  this.tree = new DERNode();
  this.tree._init(entity.body);
}
module.exports = DEREncoder;

DEREncoder.prototype.encode = function encode(data, reporter) {
  return this.tree._encode(data, reporter).join();
};

// Tree methods

function DERNode(parent) {
  Node.call(this, 'der', parent);
}
inherits(DERNode, Node);

DERNode.prototype._encodeComposite = function encodeComposite(tag,
  primitive,
  cls,
  content) {
  const encodedTag = encodeTag(tag, primitive, cls, this.reporter);

  // Short form
  if (content.length < 0x80) {
    const header = Buffer.alloc(2);
    header[0] = encodedTag;
    header[1] = content.length;
    return this._createEncoderBuffer([ header, content ]);
  }

  // Long form
  // Count octets required to store length
  let lenOctets = 1;
  for (let i = content.length; i >= 0x100; i >>= 8)
    lenOctets++;

  const header = Buffer.alloc(1 + 1 + lenOctets);
  header[0] = encodedTag;
  header[1] = 0x80 | lenOctets;

  for (let i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
    header[i] = j & 0xff;

  return this._createEncoderBuffer([ header, content ]);
};

DERNode.prototype._encodeStr = function encodeStr(str, tag) {
  if (tag === 'bitstr') {
    return this._createEncoderBuffer([ str.unused | 0, str.data ]);
  } else if (tag === 'bmpstr') {
    const buf = Buffer.alloc(str.length * 2);
    for (let i = 0; i < str.length; i++) {
      buf.writeUInt16BE(str.charCodeAt(i), i * 2);
    }
    return this._createEncoderBuffer(buf);
  } else if (tag === 'numstr') {
    if (!this._isNumstr(str)) {
      return this.reporter.error('Encoding of string type: numstr supports ' +
                                 'only digits and space');
    }
    return this._createEncoderBuffer(str);
  } else if (tag === 'printstr') {
    if (!this._isPrintstr(str)) {
      return this.reporter.error('Encoding of string type: printstr supports ' +
                                 'only latin upper and lower case letters, ' +
                                 'digits, space, apostrophe, left and rigth ' +
                                 'parenthesis, plus sign, comma, hyphen, ' +
                                 'dot, slash, colon, equal sign, ' +
                                 'question mark');
    }
    return this._createEncoderBuffer(str);
  } else if (/str$/.test(tag)) {
    return this._createEncoderBuffer(str);
  } else if (tag === 'objDesc') {
    return this._createEncoderBuffer(str);
  } else {
    return this.reporter.error('Encoding of string type: ' + tag +
                               ' unsupported');
  }
};

DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
  if (typeof id === 'string') {
    if (!values)
      return this.reporter.error('string objid given, but no values map found');
    if (!values.hasOwnProperty(id))
      return this.reporter.error('objid not found in values map');
    id = values[id].split(/[\s.]+/g);
    for (let i = 0; i < id.length; i++)
      id[i] |= 0;
  } else if (Array.isArray(id)) {
    id = id.slice();
    for (let i = 0; i < id.length; i++)
      id[i] |= 0;
  }

  if (!Array.isArray(id)) {
    return this.reporter.error('objid() should be either array or string, ' +
                               'got: ' + JSON.stringify(id));
  }

  if (!relative) {
    if (id[1] >= 40)
      return this.reporter.error('Second objid identifier OOB');
    id.splice(0, 2, id[0] * 40 + id[1]);
  }

  // Count number of octets
  let size = 0;
  for (let i = 0; i < id.length; i++) {
    let ident = id[i];
    for (size++; ident >= 0x80; ident >>= 7)
      size++;
  }

  const objid = Buffer.alloc(size);
  let offset = objid.length - 1;
  for (let i = id.length - 1; i >= 0; i--) {
    let ident = id[i];
    objid[offset--] = ident & 0x7f;
    while ((ident >>= 7) > 0)
      objid[offset--] = 0x80 | (ident & 0x7f);
  }

  return this._createEncoderBuffer(objid);
};

function two(num) {
  if (num < 10)
    return '0' + num;
  else
    return num;
}

DERNode.prototype._encodeTime = function encodeTime(time, tag) {
  let str;
  const date = new Date(time);

  if (tag === 'gentime') {
    str = [
      two(date.getUTCFullYear()),
      two(date.getUTCMonth() + 1),
      two(date.getUTCDate()),
      two(date.getUTCHours()),
      two(date.getUTCMinutes()),
      two(date.getUTCSeconds()),
      'Z'
    ].join('');
  } else if (tag === 'utctime') {
    str = [
      two(date.getUTCFullYear() % 100),
      two(date.getUTCMonth() + 1),
      two(date.getUTCDate()),
      two(date.getUTCHours()),
      two(date.getUTCMinutes()),
      two(date.getUTCSeconds()),
      'Z'
    ].join('');
  } else {
    this.reporter.error('Encoding ' + tag + ' time is not supported yet');
  }

  return this._encodeStr(str, 'octstr');
};

DERNode.prototype._encodeNull = function encodeNull() {
  return this._createEncoderBuffer('');
};

DERNode.prototype._encodeInt = function encodeInt(num, values) {
  if (typeof num === 'string') {
    if (!values)
      return this.reporter.error('String int or enum given, but no values map');
    if (!values.hasOwnProperty(num)) {
      return this.reporter.error('Values map doesn\'t contain: ' +
                                 JSON.stringify(num));
    }
    num = values[num];
  }

  // Bignum, assume big endian
  if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
    const numArray = num.toArray();
    if (!num.sign && numArray[0] & 0x80) {
      numArray.unshift(0);
    }
    num = Buffer.from(numArray);
  }

  if (Buffer.isBuffer(num)) {
    let size = num.length;
    if (num.length === 0)
      size++;

    const out = Buffer.alloc(size);
    num.copy(out);
    if (num.length === 0)
      out[0] = 0;
    return this._createEncoderBuffer(out);
  }

  if (num < 0x80)
    return this._createEncoderBuffer(num);

  if (num < 0x100)
    return this._createEncoderBuffer([0, num]);

  let size = 1;
  for (let i = num; i >= 0x100; i >>= 8)
    size++;

  const out = new Array(size);
  for (let i = out.length - 1; i >= 0; i--) {
    out[i] = num & 0xff;
    num >>= 8;
  }
  if(out[0] & 0x80) {
    out.unshift(0);
  }

  return this._createEncoderBuffer(Buffer.from(out));
};

DERNode.prototype._encodeBool = function encodeBool(value) {
  return this._createEncoderBuffer(value ? 0xff : 0);
};

DERNode.prototype._use = function use(entity, obj) {
  if (typeof entity === 'function')
    entity = entity(obj);
  return entity._getEncoder('der').tree;
};

DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
  const state = this._baseState;
  let i;
  if (state['default'] === null)
    return false;

  const data = dataBuffer.join();
  if (state.defaultBuffer === undefined)
    state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();

  if (data.length !== state.defaultBuffer.length)
    return false;

  for (i=0; i < data.length; i++)
    if (data[i] !== state.defaultBuffer[i])
      return false;

  return true;
};

// Utility methods

function encodeTag(tag, primitive, cls, reporter) {
  let res;

  if (tag === 'seqof')
    tag = 'seq';
  else if (tag === 'setof')
    tag = 'set';

  if (der.tagByName.hasOwnProperty(tag))
    res = der.tagByName[tag];
  else if (typeof tag === 'number' && (tag | 0) === tag)
    res = tag;
  else
    return reporter.error('Unknown tag: ' + tag);

  if (res >= 0x1f)
    return reporter.error('Multi-octet tag encoding unsupported');

  if (!primitive)
    res |= 0x20;

  res |= (der.tagClassByName[cls || 'universal'] << 6);

  return res;
}


/***/ }),

/***/ 56579:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


const encoders = exports;

encoders.der = __webpack_require__(66984);
encoders.pem = __webpack_require__(2883);


/***/ }),

/***/ 2883:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


const inherits = __webpack_require__(35717);

const DEREncoder = __webpack_require__(66984);

function PEMEncoder(entity) {
  DEREncoder.call(this, entity);
  this.enc = 'pem';
}
inherits(PEMEncoder, DEREncoder);
module.exports = PEMEncoder;

PEMEncoder.prototype.encode = function encode(data, options) {
  const buf = DEREncoder.prototype.encode.call(this, data);

  const p = buf.toString('base64');
  const out = [ '-----BEGIN ' + options.label + '-----' ];
  for (let i = 0; i < p.length; i += 64)
    out.push(p.slice(i, i + 64));
  out.push('-----END ' + options.label + '-----');
  return out.join('\n');
};


/***/ }),

/***/ 4590:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(80950).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 69282:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
// Currently in sync with Node.js lib/assert.js
// https://github.com/nodejs/node/commit/2a51ae424a513ec9a6aa3466baa0cc1d55dd4f3b
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var _require = __webpack_require__(62136),
    _require$codes = _require.codes,
    ERR_AMBIGUOUS_ARGUMENT = _require$codes.ERR_AMBIGUOUS_ARGUMENT,
    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
    ERR_INVALID_ARG_VALUE = _require$codes.ERR_INVALID_ARG_VALUE,
    ERR_INVALID_RETURN_VALUE = _require$codes.ERR_INVALID_RETURN_VALUE,
    ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS;

var AssertionError = __webpack_require__(25961);

var _require2 = __webpack_require__(89539),
    inspect = _require2.inspect;

var _require$types = (__webpack_require__(89539).types),
    isPromise = _require$types.isPromise,
    isRegExp = _require$types.isRegExp;

var objectAssign = Object.assign ? Object.assign : (__webpack_require__(8091).assign);
var objectIs = Object.is ? Object.is : __webpack_require__(20609);
var errorCache = new Map();
var isDeepEqual;
var isDeepStrictEqual;
var parseExpressionAt;
var findNodeAround;
var decoder;

function lazyLoadComparison() {
  var comparison = __webpack_require__(19158);

  isDeepEqual = comparison.isDeepEqual;
  isDeepStrictEqual = comparison.isDeepStrictEqual;
} // Escape control characters but not \n and \t to keep the line breaks and
// indentation intact.
// eslint-disable-next-line no-control-regex


var escapeSequencesRegExp = /[\x00-\x08\x0b\x0c\x0e-\x1f]/g;
var meta = (/* unused pure expression or super */ null && (["\\u0000", "\\u0001", "\\u0002", "\\u0003", "\\u0004", "\\u0005", "\\u0006", "\\u0007", '\\b', '', '', "\\u000b", '\\f', '', "\\u000e", "\\u000f", "\\u0010", "\\u0011", "\\u0012", "\\u0013", "\\u0014", "\\u0015", "\\u0016", "\\u0017", "\\u0018", "\\u0019", "\\u001a", "\\u001b", "\\u001c", "\\u001d", "\\u001e", "\\u001f"]));

var escapeFn = function escapeFn(str) {
  return meta[str.charCodeAt(0)];
};

var warned = false; // The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = module.exports = ok;
var NO_EXCEPTION_SENTINEL = {}; // All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided. All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.

function innerFail(obj) {
  if (obj.message instanceof Error) throw obj.message;
  throw new AssertionError(obj);
}

function fail(actual, expected, message, operator, stackStartFn) {
  var argsLen = arguments.length;
  var internalMessage;

  if (argsLen === 0) {
    internalMessage = 'Failed';
  } else if (argsLen === 1) {
    message = actual;
    actual = undefined;
  } else {
    if (warned === false) {
      warned = true;
      var warn = process.emitWarning ? process.emitWarning : console.warn.bind(console);
      warn('assert.fail() with more than one argument is deprecated. ' + 'Please use assert.strictEqual() instead or only pass a message.', 'DeprecationWarning', 'DEP0094');
    }

    if (argsLen === 2) operator = '!=';
  }

  if (message instanceof Error) throw message;
  var errArgs = {
    actual: actual,
    expected: expected,
    operator: operator === undefined ? 'fail' : operator,
    stackStartFn: stackStartFn || fail
  };

  if (message !== undefined) {
    errArgs.message = message;
  }

  var err = new AssertionError(errArgs);

  if (internalMessage) {
    err.message = internalMessage;
    err.generatedMessage = true;
  }

  throw err;
}

assert.fail = fail; // The AssertionError is defined in internal/error.

assert.AssertionError = AssertionError;

function innerOk(fn, argLen, value, message) {
  if (!value) {
    var generatedMessage = false;

    if (argLen === 0) {
      generatedMessage = true;
      message = 'No value argument passed to `assert.ok()`';
    } else if (message instanceof Error) {
      throw message;
    }

    var err = new AssertionError({
      actual: value,
      expected: true,
      message: message,
      operator: '==',
      stackStartFn: fn
    });
    err.generatedMessage = generatedMessage;
    throw err;
  }
} // Pure assertion tests whether a value is truthy, as determined
// by !!value.


function ok() {
  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  innerOk.apply(void 0, [ok, args.length].concat(args));
}

assert.ok = ok; // The equality assertion tests shallow, coercive equality with ==.

/* eslint-disable no-restricted-properties */

assert.equal = function equal(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  } // eslint-disable-next-line eqeqeq


  if (actual != expected) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: '==',
      stackStartFn: equal
    });
  }
}; // The non-equality assertion tests for whether two objects are not
// equal with !=.


assert.notEqual = function notEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  } // eslint-disable-next-line eqeqeq


  if (actual == expected) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: '!=',
      stackStartFn: notEqual
    });
  }
}; // The equivalence assertion tests a deep equality relation.


assert.deepEqual = function deepEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (isDeepEqual === undefined) lazyLoadComparison();

  if (!isDeepEqual(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'deepEqual',
      stackStartFn: deepEqual
    });
  }
}; // The non-equivalence assertion tests for any deep inequality.


assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (isDeepEqual === undefined) lazyLoadComparison();

  if (isDeepEqual(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'notDeepEqual',
      stackStartFn: notDeepEqual
    });
  }
};
/* eslint-enable */


assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (isDeepEqual === undefined) lazyLoadComparison();

  if (!isDeepStrictEqual(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'deepStrictEqual',
      stackStartFn: deepStrictEqual
    });
  }
};

assert.notDeepStrictEqual = notDeepStrictEqual;

function notDeepStrictEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (isDeepEqual === undefined) lazyLoadComparison();

  if (isDeepStrictEqual(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'notDeepStrictEqual',
      stackStartFn: notDeepStrictEqual
    });
  }
}

assert.strictEqual = function strictEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (!objectIs(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'strictEqual',
      stackStartFn: strictEqual
    });
  }
};

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (arguments.length < 2) {
    throw new ERR_MISSING_ARGS('actual', 'expected');
  }

  if (objectIs(actual, expected)) {
    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: 'notStrictEqual',
      stackStartFn: notStrictEqual
    });
  }
};

var Comparison = function Comparison(obj, keys, actual) {
  var _this = this;

  _classCallCheck(this, Comparison);

  keys.forEach(function (key) {
    if (key in obj) {
      if (actual !== undefined && typeof actual[key] === 'string' && isRegExp(obj[key]) && obj[key].test(actual[key])) {
        _this[key] = actual[key];
      } else {
        _this[key] = obj[key];
      }
    }
  });
};

function compareExceptionKey(actual, expected, key, message, keys, fn) {
  if (!(key in actual) || !isDeepStrictEqual(actual[key], expected[key])) {
    if (!message) {
      // Create placeholder objects to create a nice output.
      var a = new Comparison(actual, keys);
      var b = new Comparison(expected, keys, actual);
      var err = new AssertionError({
        actual: a,
        expected: b,
        operator: 'deepStrictEqual',
        stackStartFn: fn
      });
      err.actual = actual;
      err.expected = expected;
      err.operator = fn.name;
      throw err;
    }

    innerFail({
      actual: actual,
      expected: expected,
      message: message,
      operator: fn.name,
      stackStartFn: fn
    });
  }
}

function expectedException(actual, expected, msg, fn) {
  if (typeof expected !== 'function') {
    if (isRegExp(expected)) return expected.test(actual); // assert.doesNotThrow does not accept objects.

    if (arguments.length === 2) {
      throw new ERR_INVALID_ARG_TYPE('expected', ['Function', 'RegExp'], expected);
    } // Handle primitives properly.


    if (_typeof(actual) !== 'object' || actual === null) {
      var err = new AssertionError({
        actual: actual,
        expected: expected,
        message: msg,
        operator: 'deepStrictEqual',
        stackStartFn: fn
      });
      err.operator = fn.name;
      throw err;
    }

    var keys = Object.keys(expected); // Special handle errors to make sure the name and the message are compared
    // as well.

    if (expected instanceof Error) {
      keys.push('name', 'message');
    } else if (keys.length === 0) {
      throw new ERR_INVALID_ARG_VALUE('error', expected, 'may not be an empty object');
    }

    if (isDeepEqual === undefined) lazyLoadComparison();
    keys.forEach(function (key) {
      if (typeof actual[key] === 'string' && isRegExp(expected[key]) && expected[key].test(actual[key])) {
        return;
      }

      compareExceptionKey(actual, expected, key, msg, keys, fn);
    });
    return true;
  } // Guard instanceof against arrow functions as they don't have a prototype.


  if (expected.prototype !== undefined && actual instanceof expected) {
    return true;
  }

  if (Error.isPrototypeOf(expected)) {
    return false;
  }

  return expected.call({}, actual) === true;
}

function getActual(fn) {
  if (typeof fn !== 'function') {
    throw new ERR_INVALID_ARG_TYPE('fn', 'Function', fn);
  }

  try {
    fn();
  } catch (e) {
    return e;
  }

  return NO_EXCEPTION_SENTINEL;
}

function checkIsPromise(obj) {
  // Accept native ES6 promises and promises that are implemented in a similar
  // way. Do not accept thenables that use a function as `obj` and that have no
  // `catch` handler.
  // TODO: thenables are checked up until they have the correct methods,
  // but according to documentation, the `then` method should receive
  // the `fulfill` and `reject` arguments as well or it may be never resolved.
  return isPromise(obj) || obj !== null && _typeof(obj) === 'object' && typeof obj.then === 'function' && typeof obj.catch === 'function';
}

function waitForActual(promiseFn) {
  return Promise.resolve().then(function () {
    var resultPromise;

    if (typeof promiseFn === 'function') {
      // Return a rejected promise if `promiseFn` throws synchronously.
      resultPromise = promiseFn(); // Fail in case no promise is returned.

      if (!checkIsPromise(resultPromise)) {
        throw new ERR_INVALID_RETURN_VALUE('instance of Promise', 'promiseFn', resultPromise);
      }
    } else if (checkIsPromise(promiseFn)) {
      resultPromise = promiseFn;
    } else {
      throw new ERR_INVALID_ARG_TYPE('promiseFn', ['Function', 'Promise'], promiseFn);
    }

    return Promise.resolve().then(function () {
      return resultPromise;
    }).then(function () {
      return NO_EXCEPTION_SENTINEL;
    }).catch(function (e) {
      return e;
    });
  });
}

function expectsError(stackStartFn, actual, error, message) {
  if (typeof error === 'string') {
    if (arguments.length === 4) {
      throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error);
    }

    if (_typeof(actual) === 'object' && actual !== null) {
      if (actual.message === error) {
        throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error message \"".concat(actual.message, "\" is identical to the message."));
      }
    } else if (actual === error) {
      throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error \"".concat(actual, "\" is identical to the message."));
    }

    message = error;
    error = undefined;
  } else if (error != null && _typeof(error) !== 'object' && typeof error !== 'function') {
    throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error);
  }

  if (actual === NO_EXCEPTION_SENTINEL) {
    var details = '';

    if (error && error.name) {
      details += " (".concat(error.name, ")");
    }

    details += message ? ": ".concat(message) : '.';
    var fnType = stackStartFn.name === 'rejects' ? 'rejection' : 'exception';
    innerFail({
      actual: undefined,
      expected: error,
      operator: stackStartFn.name,
      message: "Missing expected ".concat(fnType).concat(details),
      stackStartFn: stackStartFn
    });
  }

  if (error && !expectedException(actual, error, message, stackStartFn)) {
    throw actual;
  }
}

function expectsNoError(stackStartFn, actual, error, message) {
  if (actual === NO_EXCEPTION_SENTINEL) return;

  if (typeof error === 'string') {
    message = error;
    error = undefined;
  }

  if (!error || expectedException(actual, error)) {
    var details = message ? ": ".concat(message) : '.';
    var fnType = stackStartFn.name === 'doesNotReject' ? 'rejection' : 'exception';
    innerFail({
      actual: actual,
      expected: error,
      operator: stackStartFn.name,
      message: "Got unwanted ".concat(fnType).concat(details, "\n") + "Actual message: \"".concat(actual && actual.message, "\""),
      stackStartFn: stackStartFn
    });
  }

  throw actual;
}

assert.throws = function throws(promiseFn) {
  for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
    args[_key2 - 1] = arguments[_key2];
  }

  expectsError.apply(void 0, [throws, getActual(promiseFn)].concat(args));
};

assert.rejects = function rejects(promiseFn) {
  for (var _len3 = arguments.length, args = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
    args[_key3 - 1] = arguments[_key3];
  }

  return waitForActual(promiseFn).then(function (result) {
    return expectsError.apply(void 0, [rejects, result].concat(args));
  });
};

assert.doesNotThrow = function doesNotThrow(fn) {
  for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
    args[_key4 - 1] = arguments[_key4];
  }

  expectsNoError.apply(void 0, [doesNotThrow, getActual(fn)].concat(args));
};

assert.doesNotReject = function doesNotReject(fn) {
  for (var _len5 = arguments.length, args = new Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) {
    args[_key5 - 1] = arguments[_key5];
  }

  return waitForActual(fn).then(function (result) {
    return expectsNoError.apply(void 0, [doesNotReject, result].concat(args));
  });
};

assert.ifError = function ifError(err) {
  if (err !== null && err !== undefined) {
    var message = 'ifError got unwanted exception: ';

    if (_typeof(err) === 'object' && typeof err.message === 'string') {
      if (err.message.length === 0 && err.constructor) {
        message += err.constructor.name;
      } else {
        message += err.message;
      }
    } else {
      message += inspect(err);
    }

    var newErr = new AssertionError({
      actual: err,
      expected: null,
      operator: 'ifError',
      message: message,
      stackStartFn: ifError
    }); // Make sure we actually have a stack trace!

    var origStack = err.stack;

    if (typeof origStack === 'string') {
      // This will remove any duplicated frames from the error frames taken
      // from within `ifError` and add the original error frames to the newly
      // created ones.
      var tmp2 = origStack.split('\n');
      tmp2.shift(); // Filter all frames existing in err.stack.

      var tmp1 = newErr.stack.split('\n');

      for (var i = 0; i < tmp2.length; i++) {
        // Find the first occurrence of the frame.
        var pos = tmp1.indexOf(tmp2[i]);

        if (pos !== -1) {
          // Only keep new frames.
          tmp1 = tmp1.slice(0, pos);
          break;
        }
      }

      newErr.stack = "".concat(tmp1.join('\n'), "\n").concat(tmp2.join('\n'));
    }

    throw newErr;
  }
}; // Expose a strict only variant of assert


function strict() {
  for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
    args[_key6] = arguments[_key6];
  }

  innerOk.apply(void 0, [strict, args.length].concat(args));
}

assert.strict = objectAssign(strict, assert, {
  equal: assert.strictEqual,
  deepEqual: assert.deepStrictEqual,
  notEqual: assert.notStrictEqual,
  notDeepEqual: assert.notDeepStrictEqual
});
assert.strict.strict = assert.strict;

/***/ }),

/***/ 25961:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
// Currently in sync with Node.js lib/internal/assert/assertion_error.js
// https://github.com/nodejs/node/commit/0817840f775032169ddd70c85ac059f18ffcc81c


function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }

function isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _construct(Parent, args, Class) { if (isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }

function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var _require = __webpack_require__(89539),
    inspect = _require.inspect;

var _require2 = __webpack_require__(62136),
    ERR_INVALID_ARG_TYPE = _require2.codes.ERR_INVALID_ARG_TYPE; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith


function endsWith(str, search, this_len) {
  if (this_len === undefined || this_len > str.length) {
    this_len = str.length;
  }

  return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat


function repeat(str, count) {
  count = Math.floor(count);
  if (str.length == 0 || count == 0) return '';
  var maxCount = str.length * count;
  count = Math.floor(Math.log(count) / Math.log(2));

  while (count) {
    str += str;
    count--;
  }

  str += str.substring(0, maxCount - str.length);
  return str;
}

var blue = '';
var green = '';
var red = '';
var white = '';
var kReadableOperator = {
  deepStrictEqual: 'Expected values to be strictly deep-equal:',
  strictEqual: 'Expected values to be strictly equal:',
  strictEqualObject: 'Expected "actual" to be reference-equal to "expected":',
  deepEqual: 'Expected values to be loosely deep-equal:',
  equal: 'Expected values to be loosely equal:',
  notDeepStrictEqual: 'Expected "actual" not to be strictly deep-equal to:',
  notStrictEqual: 'Expected "actual" to be strictly unequal to:',
  notStrictEqualObject: 'Expected "actual" not to be reference-equal to "expected":',
  notDeepEqual: 'Expected "actual" not to be loosely deep-equal to:',
  notEqual: 'Expected "actual" to be loosely unequal to:',
  notIdentical: 'Values identical but not reference-equal:'
}; // Comparing short primitives should just show === / !== instead of using the
// diff.

var kMaxShortLength = 10;

function copyError(source) {
  var keys = Object.keys(source);
  var target = Object.create(Object.getPrototypeOf(source));
  keys.forEach(function (key) {
    target[key] = source[key];
  });
  Object.defineProperty(target, 'message', {
    value: source.message
  });
  return target;
}

function inspectValue(val) {
  // The util.inspect default values could be changed. This makes sure the
  // error messages contain the necessary information nevertheless.
  return inspect(val, {
    compact: false,
    customInspect: false,
    depth: 1000,
    maxArrayLength: Infinity,
    // Assert compares only enumerable properties (with a few exceptions).
    showHidden: false,
    // Having a long line as error is better than wrapping the line for
    // comparison for now.
    // TODO(BridgeAR): `breakLength` should be limited as soon as soon as we
    // have meta information about the inspected properties (i.e., know where
    // in what line the property starts and ends).
    breakLength: Infinity,
    // Assert does not detect proxies currently.
    showProxy: false,
    sorted: true,
    // Inspect getters as we also check them when comparing entries.
    getters: true
  });
}

function createErrDiff(actual, expected, operator) {
  var other = '';
  var res = '';
  var lastPos = 0;
  var end = '';
  var skipped = false;
  var actualInspected = inspectValue(actual);
  var actualLines = actualInspected.split('\n');
  var expectedLines = inspectValue(expected).split('\n');
  var i = 0;
  var indicator = ''; // In case both values are objects explicitly mark them as not reference equal
  // for the `strictEqual` operator.

  if (operator === 'strictEqual' && _typeof(actual) === 'object' && _typeof(expected) === 'object' && actual !== null && expected !== null) {
    operator = 'strictEqualObject';
  } // If "actual" and "expected" fit on a single line and they are not strictly
  // equal, check further special handling.


  if (actualLines.length === 1 && expectedLines.length === 1 && actualLines[0] !== expectedLines[0]) {
    var inputLength = actualLines[0].length + expectedLines[0].length; // If the character length of "actual" and "expected" together is less than
    // kMaxShortLength and if neither is an object and at least one of them is
    // not `zero`, use the strict equal comparison to visualize the output.

    if (inputLength <= kMaxShortLength) {
      if ((_typeof(actual) !== 'object' || actual === null) && (_typeof(expected) !== 'object' || expected === null) && (actual !== 0 || expected !== 0)) {
        // -0 === +0
        return "".concat(kReadableOperator[operator], "\n\n") + "".concat(actualLines[0], " !== ").concat(expectedLines[0], "\n");
      }
    } else if (operator !== 'strictEqualObject') {
      // If the stderr is a tty and the input length is lower than the current
      // columns per line, add a mismatch indicator below the output. If it is
      // not a tty, use a default value of 80 characters.
      var maxLength = process.stderr && process.stderr.isTTY ? process.stderr.columns : 80;

      if (inputLength < maxLength) {
        while (actualLines[0][i] === expectedLines[0][i]) {
          i++;
        } // Ignore the first characters.


        if (i > 2) {
          // Add position indicator for the first mismatch in case it is a
          // single line and the input length is less than the column length.
          indicator = "\n  ".concat(repeat(' ', i), "^");
          i = 0;
        }
      }
    }
  } // Remove all ending lines that match (this optimizes the output for
  // readability by reducing the number of total changed lines).


  var a = actualLines[actualLines.length - 1];
  var b = expectedLines[expectedLines.length - 1];

  while (a === b) {
    if (i++ < 2) {
      end = "\n  ".concat(a).concat(end);
    } else {
      other = a;
    }

    actualLines.pop();
    expectedLines.pop();
    if (actualLines.length === 0 || expectedLines.length === 0) break;
    a = actualLines[actualLines.length - 1];
    b = expectedLines[expectedLines.length - 1];
  }

  var maxLines = Math.max(actualLines.length, expectedLines.length); // Strict equal with identical objects that are not identical by reference.
  // E.g., assert.deepStrictEqual({ a: Symbol() }, { a: Symbol() })

  if (maxLines === 0) {
    // We have to get the result again. The lines were all removed before.
    var _actualLines = actualInspected.split('\n'); // Only remove lines in case it makes sense to collapse those.
    // TODO: Accept env to always show the full error.


    if (_actualLines.length > 30) {
      _actualLines[26] = "".concat(blue, "...").concat(white);

      while (_actualLines.length > 27) {
        _actualLines.pop();
      }
    }

    return "".concat(kReadableOperator.notIdentical, "\n\n").concat(_actualLines.join('\n'), "\n");
  }

  if (i > 3) {
    end = "\n".concat(blue, "...").concat(white).concat(end);
    skipped = true;
  }

  if (other !== '') {
    end = "\n  ".concat(other).concat(end);
    other = '';
  }

  var printedLines = 0;
  var msg = kReadableOperator[operator] + "\n".concat(green, "+ actual").concat(white, " ").concat(red, "- expected").concat(white);
  var skippedMsg = " ".concat(blue, "...").concat(white, " Lines skipped");

  for (i = 0; i < maxLines; i++) {
    // Only extra expected lines exist
    var cur = i - lastPos;

    if (actualLines.length < i + 1) {
      // If the last diverging line is more than one line above and the
      // current line is at least line three, add some of the former lines and
      // also add dots to indicate skipped entries.
      if (cur > 1 && i > 2) {
        if (cur > 4) {
          res += "\n".concat(blue, "...").concat(white);
          skipped = true;
        } else if (cur > 3) {
          res += "\n  ".concat(expectedLines[i - 2]);
          printedLines++;
        }

        res += "\n  ".concat(expectedLines[i - 1]);
        printedLines++;
      } // Mark the current line as the last diverging one.


      lastPos = i; // Add the expected line to the cache.

      other += "\n".concat(red, "-").concat(white, " ").concat(expectedLines[i]);
      printedLines++; // Only extra actual lines exist
    } else if (expectedLines.length < i + 1) {
      // If the last diverging line is more than one line above and the
      // current line is at least line three, add some of the former lines and
      // also add dots to indicate skipped entries.
      if (cur > 1 && i > 2) {
        if (cur > 4) {
          res += "\n".concat(blue, "...").concat(white);
          skipped = true;
        } else if (cur > 3) {
          res += "\n  ".concat(actualLines[i - 2]);
          printedLines++;
        }

        res += "\n  ".concat(actualLines[i - 1]);
        printedLines++;
      } // Mark the current line as the last diverging one.


      lastPos = i; // Add the actual line to the result.

      res += "\n".concat(green, "+").concat(white, " ").concat(actualLines[i]);
      printedLines++; // Lines diverge
    } else {
      var expectedLine = expectedLines[i];
      var actualLine = actualLines[i]; // If the lines diverge, specifically check for lines that only diverge by
      // a trailing comma. In that case it is actually identical and we should
      // mark it as such.

      var divergingLines = actualLine !== expectedLine && (!endsWith(actualLine, ',') || actualLine.slice(0, -1) !== expectedLine); // If the expected line has a trailing comma but is otherwise identical,
      // add a comma at the end of the actual line. Otherwise the output could
      // look weird as in:
      //
      //   [
      //     1         // No comma at the end!
      // +   2
      //   ]
      //

      if (divergingLines && endsWith(expectedLine, ',') && expectedLine.slice(0, -1) === actualLine) {
        divergingLines = false;
        actualLine += ',';
      }

      if (divergingLines) {
        // If the last diverging line is more than one line above and the
        // current line is at least line three, add some of the former lines and
        // also add dots to indicate skipped entries.
        if (cur > 1 && i > 2) {
          if (cur > 4) {
            res += "\n".concat(blue, "...").concat(white);
            skipped = true;
          } else if (cur > 3) {
            res += "\n  ".concat(actualLines[i - 2]);
            printedLines++;
          }

          res += "\n  ".concat(actualLines[i - 1]);
          printedLines++;
        } // Mark the current line as the last diverging one.


        lastPos = i; // Add the actual line to the result and cache the expected diverging
        // line so consecutive diverging lines show up as +++--- and not +-+-+-.

        res += "\n".concat(green, "+").concat(white, " ").concat(actualLine);
        other += "\n".concat(red, "-").concat(white, " ").concat(expectedLine);
        printedLines += 2; // Lines are identical
      } else {
        // Add all cached information to the result before adding other things
        // and reset the cache.
        res += other;
        other = ''; // If the last diverging line is exactly one line above or if it is the
        // very first line, add the line to the result.

        if (cur === 1 || i === 0) {
          res += "\n  ".concat(actualLine);
          printedLines++;
        }
      }
    } // Inspected object to big (Show ~20 rows max)


    if (printedLines > 20 && i < maxLines - 2) {
      return "".concat(msg).concat(skippedMsg, "\n").concat(res, "\n").concat(blue, "...").concat(white).concat(other, "\n") + "".concat(blue, "...").concat(white);
    }
  }

  return "".concat(msg).concat(skipped ? skippedMsg : '', "\n").concat(res).concat(other).concat(end).concat(indicator);
}

var AssertionError =
/*#__PURE__*/
function (_Error) {
  _inherits(AssertionError, _Error);

  function AssertionError(options) {
    var _this;

    _classCallCheck(this, AssertionError);

    if (_typeof(options) !== 'object' || options === null) {
      throw new ERR_INVALID_ARG_TYPE('options', 'Object', options);
    }

    var message = options.message,
        operator = options.operator,
        stackStartFn = options.stackStartFn;
    var actual = options.actual,
        expected = options.expected;
    var limit = Error.stackTraceLimit;
    Error.stackTraceLimit = 0;

    if (message != null) {
      _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, String(message)));
    } else {
      if (process.stderr && process.stderr.isTTY) {
        // Reset on each call to make sure we handle dynamically set environment
        // variables correct.
        if (process.stderr && process.stderr.getColorDepth && process.stderr.getColorDepth() !== 1) {
          blue = "\x1B[34m";
          green = "\x1B[32m";
          white = "\x1B[39m";
          red = "\x1B[31m";
        } else {
          blue = '';
          green = '';
          white = '';
          red = '';
        }
      } // Prevent the error stack from being visible by duplicating the error
      // in a very close way to the original in case both sides are actually
      // instances of Error.


      if (_typeof(actual) === 'object' && actual !== null && _typeof(expected) === 'object' && expected !== null && 'stack' in actual && actual instanceof Error && 'stack' in expected && expected instanceof Error) {
        actual = copyError(actual);
        expected = copyError(expected);
      }

      if (operator === 'deepStrictEqual' || operator === 'strictEqual') {
        _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, createErrDiff(actual, expected, operator)));
      } else if (operator === 'notDeepStrictEqual' || operator === 'notStrictEqual') {
        // In case the objects are equal but the operator requires unequal, show
        // the first object and say A equals B
        var base = kReadableOperator[operator];
        var res = inspectValue(actual).split('\n'); // In case "actual" is an object, it should not be reference equal.

        if (operator === 'notStrictEqual' && _typeof(actual) === 'object' && actual !== null) {
          base = kReadableOperator.notStrictEqualObject;
        } // Only remove lines in case it makes sense to collapse those.
        // TODO: Accept env to always show the full error.


        if (res.length > 30) {
          res[26] = "".concat(blue, "...").concat(white);

          while (res.length > 27) {
            res.pop();
          }
        } // Only print a single input.


        if (res.length === 1) {
          _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, " ").concat(res[0])));
        } else {
          _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, "\n\n").concat(res.join('\n'), "\n")));
        }
      } else {
        var _res = inspectValue(actual);

        var other = '';
        var knownOperators = kReadableOperator[operator];

        if (operator === 'notDeepEqual' || operator === 'notEqual') {
          _res = "".concat(kReadableOperator[operator], "\n\n").concat(_res);

          if (_res.length > 1024) {
            _res = "".concat(_res.slice(0, 1021), "...");
          }
        } else {
          other = "".concat(inspectValue(expected));

          if (_res.length > 512) {
            _res = "".concat(_res.slice(0, 509), "...");
          }

          if (other.length > 512) {
            other = "".concat(other.slice(0, 509), "...");
          }

          if (operator === 'deepEqual' || operator === 'equal') {
            _res = "".concat(knownOperators, "\n\n").concat(_res, "\n\nshould equal\n\n");
          } else {
            other = " ".concat(operator, " ").concat(other);
          }
        }

        _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(_res).concat(other)));
      }
    }

    Error.stackTraceLimit = limit;
    _this.generatedMessage = !message;
    Object.defineProperty(_assertThisInitialized(_this), 'name', {
      value: 'AssertionError [ERR_ASSERTION]',
      enumerable: false,
      writable: true,
      configurable: true
    });
    _this.code = 'ERR_ASSERTION';
    _this.actual = actual;
    _this.expected = expected;
    _this.operator = operator;

    if (Error.captureStackTrace) {
      // eslint-disable-next-line no-restricted-syntax
      Error.captureStackTrace(_assertThisInitialized(_this), stackStartFn);
    } // Create error message including the error code in the name.


    _this.stack; // Reset the name.

    _this.name = 'AssertionError';
    return _possibleConstructorReturn(_this);
  }

  _createClass(AssertionError, [{
    key: "toString",
    value: function toString() {
      return "".concat(this.name, " [").concat(this.code, "]: ").concat(this.message);
    }
  }, {
    key: inspect.custom,
    value: function value(recurseTimes, ctx) {
      // This limits the `actual` and `expected` property default inspection to
      // the minimum depth. Otherwise those values would be too verbose compared
      // to the actual error message which contains a combined view of these two
      // input values.
      return inspect(this, _objectSpread({}, ctx, {
        customInspect: false,
        depth: 0
      }));
    }
  }]);

  return AssertionError;
}(_wrapNativeSuper(Error));

module.exports = AssertionError;

/***/ }),

/***/ 62136:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Currently in sync with Node.js lib/internal/errors.js
// https://github.com/nodejs/node/commit/3b044962c48fe313905877a96b5d0894a5404f6f

/* eslint node-core/documented-errors: "error" */

/* eslint node-core/alphabetize-errors: "error" */

/* eslint node-core/prefer-util-format-errors: "error" */
 // The whole point behind this internal module is to allow Node.js to no
// longer be forced to treat every error message change as a semver-major
// change. The NodeError classes here all expose a `code` property whose
// value statically and permanently identifies the error. While the error
// message may change, the code should not.

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var codes = {}; // Lazy loaded

var assert;
var util;

function createErrorType(code, message, Base) {
  if (!Base) {
    Base = Error;
  }

  function getMessage(arg1, arg2, arg3) {
    if (typeof message === 'string') {
      return message;
    } else {
      return message(arg1, arg2, arg3);
    }
  }

  var NodeError =
  /*#__PURE__*/
  function (_Base) {
    _inherits(NodeError, _Base);

    function NodeError(arg1, arg2, arg3) {
      var _this;

      _classCallCheck(this, NodeError);

      _this = _possibleConstructorReturn(this, _getPrototypeOf(NodeError).call(this, getMessage(arg1, arg2, arg3)));
      _this.code = code;
      return _this;
    }

    return NodeError;
  }(Base);

  codes[code] = NodeError;
} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js


function oneOf(expected, thing) {
  if (Array.isArray(expected)) {
    var len = expected.length;
    expected = expected.map(function (i) {
      return String(i);
    });

    if (len > 2) {
      return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
    } else if (len === 2) {
      return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
    } else {
      return "of ".concat(thing, " ").concat(expected[0]);
    }
  } else {
    return "of ".concat(thing, " ").concat(String(expected));
  }
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith


function startsWith(str, search, pos) {
  return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith


function endsWith(str, search, this_len) {
  if (this_len === undefined || this_len > str.length) {
    this_len = str.length;
  }

  return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes


function includes(str, search, start) {
  if (typeof start !== 'number') {
    start = 0;
  }

  if (start + search.length > str.length) {
    return false;
  } else {
    return str.indexOf(search, start) !== -1;
  }
}

createErrorType('ERR_AMBIGUOUS_ARGUMENT', 'The "%s" argument is ambiguous. %s', TypeError);
createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
  if (assert === undefined) assert = __webpack_require__(69282);
  assert(typeof name === 'string', "'name' must be a string"); // determiner: 'must be' or 'must not be'

  var determiner;

  if (typeof expected === 'string' && startsWith(expected, 'not ')) {
    determiner = 'must not be';
    expected = expected.replace(/^not /, '');
  } else {
    determiner = 'must be';
  }

  var msg;

  if (endsWith(name, ' argument')) {
    // For cases like 'first argument'
    msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  } else {
    var type = includes(name, '.') ? 'property' : 'argument';
    msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  } // TODO(BridgeAR): Improve the output by showing `null` and similar.


  msg += ". Received type ".concat(_typeof(actual));
  return msg;
}, TypeError);
createErrorType('ERR_INVALID_ARG_VALUE', function (name, value) {
  var reason = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'is invalid';
  if (util === undefined) util = __webpack_require__(89539);
  var inspected = util.inspect(value);

  if (inspected.length > 128) {
    inspected = "".concat(inspected.slice(0, 128), "...");
  }

  return "The argument '".concat(name, "' ").concat(reason, ". Received ").concat(inspected);
}, TypeError, RangeError);
createErrorType('ERR_INVALID_RETURN_VALUE', function (input, name, value) {
  var type;

  if (value && value.constructor && value.constructor.name) {
    type = "instance of ".concat(value.constructor.name);
  } else {
    type = "type ".concat(_typeof(value));
  }

  return "Expected ".concat(input, " to be returned from the \"").concat(name, "\"") + " function but got ".concat(type, ".");
}, TypeError);
createErrorType('ERR_MISSING_ARGS', function () {
  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  if (assert === undefined) assert = __webpack_require__(69282);
  assert(args.length > 0, 'At least one arg needs to be specified');
  var msg = 'The ';
  var len = args.length;
  args = args.map(function (a) {
    return "\"".concat(a, "\"");
  });

  switch (len) {
    case 1:
      msg += "".concat(args[0], " argument");
      break;

    case 2:
      msg += "".concat(args[0], " and ").concat(args[1], " arguments");
      break;

    default:
      msg += args.slice(0, len - 1).join(', ');
      msg += ", and ".concat(args[len - 1], " arguments");
      break;
  }

  return "".concat(msg, " must be specified");
}, TypeError);
module.exports.codes = codes;

/***/ }),

/***/ 19158:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Currently in sync with Node.js lib/internal/util/comparisons.js
// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9


function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

var regexFlagsSupported = /a/g.flags !== undefined;

var arrayFromSet = function arrayFromSet(set) {
  var array = [];
  set.forEach(function (value) {
    return array.push(value);
  });
  return array;
};

var arrayFromMap = function arrayFromMap(map) {
  var array = [];
  map.forEach(function (value, key) {
    return array.push([key, value]);
  });
  return array;
};

var objectIs = Object.is ? Object.is : __webpack_require__(20609);
var objectGetOwnPropertySymbols = Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols : function () {
  return [];
};
var numberIsNaN = Number.isNaN ? Number.isNaN : __webpack_require__(20360);

function uncurryThis(f) {
  return f.call.bind(f);
}

var hasOwnProperty = uncurryThis(Object.prototype.hasOwnProperty);
var propertyIsEnumerable = uncurryThis(Object.prototype.propertyIsEnumerable);
var objectToString = uncurryThis(Object.prototype.toString);

var _require$types = (__webpack_require__(89539).types),
    isAnyArrayBuffer = _require$types.isAnyArrayBuffer,
    isArrayBufferView = _require$types.isArrayBufferView,
    isDate = _require$types.isDate,
    isMap = _require$types.isMap,
    isRegExp = _require$types.isRegExp,
    isSet = _require$types.isSet,
    isNativeError = _require$types.isNativeError,
    isBoxedPrimitive = _require$types.isBoxedPrimitive,
    isNumberObject = _require$types.isNumberObject,
    isStringObject = _require$types.isStringObject,
    isBooleanObject = _require$types.isBooleanObject,
    isBigIntObject = _require$types.isBigIntObject,
    isSymbolObject = _require$types.isSymbolObject,
    isFloat32Array = _require$types.isFloat32Array,
    isFloat64Array = _require$types.isFloat64Array;

function isNonIndex(key) {
  if (key.length === 0 || key.length > 10) return true;

  for (var i = 0; i < key.length; i++) {
    var code = key.charCodeAt(i);
    if (code < 48 || code > 57) return true;
  } // The maximum size for an array is 2 ** 32 -1.


  return key.length === 10 && key >= Math.pow(2, 32);
}

function getOwnNonIndexProperties(value) {
  return Object.keys(value).filter(isNonIndex).concat(objectGetOwnPropertySymbols(value).filter(Object.prototype.propertyIsEnumerable.bind(value)));
} // Taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
// original notice:

/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 * @license  MIT
 */


function compare(a, b) {
  if (a === b) {
    return 0;
  }

  var x = a.length;
  var y = b.length;

  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i];
      y = b[i];
      break;
    }
  }

  if (x < y) {
    return -1;
  }

  if (y < x) {
    return 1;
  }

  return 0;
}

var ONLY_ENUMERABLE = undefined;
var kStrict = true;
var kLoose = false;
var kNoIterator = 0;
var kIsArray = 1;
var kIsSet = 2;
var kIsMap = 3; // Check if they have the same source and flags

function areSimilarRegExps(a, b) {
  return regexFlagsSupported ? a.source === b.source && a.flags === b.flags : RegExp.prototype.toString.call(a) === RegExp.prototype.toString.call(b);
}

function areSimilarFloatArrays(a, b) {
  if (a.byteLength !== b.byteLength) {
    return false;
  }

  for (var offset = 0; offset < a.byteLength; offset++) {
    if (a[offset] !== b[offset]) {
      return false;
    }
  }

  return true;
}

function areSimilarTypedArrays(a, b) {
  if (a.byteLength !== b.byteLength) {
    return false;
  }

  return compare(new Uint8Array(a.buffer, a.byteOffset, a.byteLength), new Uint8Array(b.buffer, b.byteOffset, b.byteLength)) === 0;
}

function areEqualArrayBuffers(buf1, buf2) {
  return buf1.byteLength === buf2.byteLength && compare(new Uint8Array(buf1), new Uint8Array(buf2)) === 0;
}

function isEqualBoxedPrimitive(val1, val2) {
  if (isNumberObject(val1)) {
    return isNumberObject(val2) && objectIs(Number.prototype.valueOf.call(val1), Number.prototype.valueOf.call(val2));
  }

  if (isStringObject(val1)) {
    return isStringObject(val2) && String.prototype.valueOf.call(val1) === String.prototype.valueOf.call(val2);
  }

  if (isBooleanObject(val1)) {
    return isBooleanObject(val2) && Boolean.prototype.valueOf.call(val1) === Boolean.prototype.valueOf.call(val2);
  }

  if (isBigIntObject(val1)) {
    return isBigIntObject(val2) && BigInt.prototype.valueOf.call(val1) === BigInt.prototype.valueOf.call(val2);
  }

  return isSymbolObject(val2) && Symbol.prototype.valueOf.call(val1) === Symbol.prototype.valueOf.call(val2);
} // Notes: Type tags are historical [[Class]] properties that can be set by
// FunctionTemplate::SetClassName() in C++ or Symbol.toStringTag in JS
// and retrieved using Object.prototype.toString.call(obj) in JS
// See https://tc39.github.io/ecma262/#sec-object.prototype.tostring
// for a list of tags pre-defined in the spec.
// There are some unspecified tags in the wild too (e.g. typed array tags).
// Since tags can be altered, they only serve fast failures
//
// Typed arrays and buffers are checked by comparing the content in their
// underlying ArrayBuffer. This optimization requires that it's
// reasonable to interpret their underlying memory in the same way,
// which is checked by comparing their type tags.
// (e.g. a Uint8Array and a Uint16Array with the same memory content
// could still be different because they will be interpreted differently).
//
// For strict comparison, objects should have
// a) The same built-in type tags
// b) The same prototypes.


function innerDeepEqual(val1, val2, strict, memos) {
  // All identical values are equivalent, as determined by ===.
  if (val1 === val2) {
    if (val1 !== 0) return true;
    return strict ? objectIs(val1, val2) : true;
  } // Check more closely if val1 and val2 are equal.


  if (strict) {
    if (_typeof(val1) !== 'object') {
      return typeof val1 === 'number' && numberIsNaN(val1) && numberIsNaN(val2);
    }

    if (_typeof(val2) !== 'object' || val1 === null || val2 === null) {
      return false;
    }

    if (Object.getPrototypeOf(val1) !== Object.getPrototypeOf(val2)) {
      return false;
    }
  } else {
    if (val1 === null || _typeof(val1) !== 'object') {
      if (val2 === null || _typeof(val2) !== 'object') {
        // eslint-disable-next-line eqeqeq
        return val1 == val2;
      }

      return false;
    }

    if (val2 === null || _typeof(val2) !== 'object') {
      return false;
    }
  }

  var val1Tag = objectToString(val1);
  var val2Tag = objectToString(val2);

  if (val1Tag !== val2Tag) {
    return false;
  }

  if (Array.isArray(val1)) {
    // Check for sparse arrays and general fast path
    if (val1.length !== val2.length) {
      return false;
    }

    var keys1 = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE);
    var keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE);

    if (keys1.length !== keys2.length) {
      return false;
    }

    return keyCheck(val1, val2, strict, memos, kIsArray, keys1);
  } // [browserify] This triggers on certain types in IE (Map/Set) so we don't
  // wan't to early return out of the rest of the checks. However we can check
  // if the second value is one of these values and the first isn't.


  if (val1Tag === '[object Object]') {
    // return keyCheck(val1, val2, strict, memos, kNoIterator);
    if (!isMap(val1) && isMap(val2) || !isSet(val1) && isSet(val2)) {
      return false;
    }
  }

  if (isDate(val1)) {
    if (!isDate(val2) || Date.prototype.getTime.call(val1) !== Date.prototype.getTime.call(val2)) {
      return false;
    }
  } else if (isRegExp(val1)) {
    if (!isRegExp(val2) || !areSimilarRegExps(val1, val2)) {
      return false;
    }
  } else if (isNativeError(val1) || val1 instanceof Error) {
    // Do not compare the stack as it might differ even though the error itself
    // is otherwise identical.
    if (val1.message !== val2.message || val1.name !== val2.name) {
      return false;
    }
  } else if (isArrayBufferView(val1)) {
    if (!strict && (isFloat32Array(val1) || isFloat64Array(val1))) {
      if (!areSimilarFloatArrays(val1, val2)) {
        return false;
      }
    } else if (!areSimilarTypedArrays(val1, val2)) {
      return false;
    } // Buffer.compare returns true, so val1.length === val2.length. If they both
    // only contain numeric keys, we don't need to exam further than checking
    // the symbols.


    var _keys = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE);

    var _keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE);

    if (_keys.length !== _keys2.length) {
      return false;
    }

    return keyCheck(val1, val2, strict, memos, kNoIterator, _keys);
  } else if (isSet(val1)) {
    if (!isSet(val2) || val1.size !== val2.size) {
      return false;
    }

    return keyCheck(val1, val2, strict, memos, kIsSet);
  } else if (isMap(val1)) {
    if (!isMap(val2) || val1.size !== val2.size) {
      return false;
    }

    return keyCheck(val1, val2, strict, memos, kIsMap);
  } else if (isAnyArrayBuffer(val1)) {
    if (!areEqualArrayBuffers(val1, val2)) {
      return false;
    }
  } else if (isBoxedPrimitive(val1) && !isEqualBoxedPrimitive(val1, val2)) {
    return false;
  }

  return keyCheck(val1, val2, strict, memos, kNoIterator);
}

function getEnumerables(val, keys) {
  return keys.filter(function (k) {
    return propertyIsEnumerable(val, k);
  });
}

function keyCheck(val1, val2, strict, memos, iterationType, aKeys) {
  // For all remaining Object pairs, including Array, objects and Maps,
  // equivalence is determined by having:
  // a) The same number of owned enumerable properties
  // b) The same set of keys/indexes (although not necessarily the same order)
  // c) Equivalent values for every corresponding key/index
  // d) For Sets and Maps, equal contents
  // Note: this accounts for both named and indexed properties on Arrays.
  if (arguments.length === 5) {
    aKeys = Object.keys(val1);
    var bKeys = Object.keys(val2); // The pair must have the same number of owned properties.

    if (aKeys.length !== bKeys.length) {
      return false;
    }
  } // Cheap key test


  var i = 0;

  for (; i < aKeys.length; i++) {
    if (!hasOwnProperty(val2, aKeys[i])) {
      return false;
    }
  }

  if (strict && arguments.length === 5) {
    var symbolKeysA = objectGetOwnPropertySymbols(val1);

    if (symbolKeysA.length !== 0) {
      var count = 0;

      for (i = 0; i < symbolKeysA.length; i++) {
        var key = symbolKeysA[i];

        if (propertyIsEnumerable(val1, key)) {
          if (!propertyIsEnumerable(val2, key)) {
            return false;
          }

          aKeys.push(key);
          count++;
        } else if (propertyIsEnumerable(val2, key)) {
          return false;
        }
      }

      var symbolKeysB = objectGetOwnPropertySymbols(val2);

      if (symbolKeysA.length !== symbolKeysB.length && getEnumerables(val2, symbolKeysB).length !== count) {
        return false;
      }
    } else {
      var _symbolKeysB = objectGetOwnPropertySymbols(val2);

      if (_symbolKeysB.length !== 0 && getEnumerables(val2, _symbolKeysB).length !== 0) {
        return false;
      }
    }
  }

  if (aKeys.length === 0 && (iterationType === kNoIterator || iterationType === kIsArray && val1.length === 0 || val1.size === 0)) {
    return true;
  } // Use memos to handle cycles.


  if (memos === undefined) {
    memos = {
      val1: new Map(),
      val2: new Map(),
      position: 0
    };
  } else {
    // We prevent up to two map.has(x) calls by directly retrieving the value
    // and checking for undefined. The map can only contain numbers, so it is
    // safe to check for undefined only.
    var val2MemoA = memos.val1.get(val1);

    if (val2MemoA !== undefined) {
      var val2MemoB = memos.val2.get(val2);

      if (val2MemoB !== undefined) {
        return val2MemoA === val2MemoB;
      }
    }

    memos.position++;
  }

  memos.val1.set(val1, memos.position);
  memos.val2.set(val2, memos.position);
  var areEq = objEquiv(val1, val2, strict, aKeys, memos, iterationType);
  memos.val1.delete(val1);
  memos.val2.delete(val2);
  return areEq;
}

function setHasEqualElement(set, val1, strict, memo) {
  // Go looking.
  var setValues = arrayFromSet(set);

  for (var i = 0; i < setValues.length; i++) {
    var val2 = setValues[i];

    if (innerDeepEqual(val1, val2, strict, memo)) {
      // Remove the matching element to make sure we do not check that again.
      set.delete(val2);
      return true;
    }
  }

  return false;
} // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#Loose_equality_using
// Sadly it is not possible to detect corresponding values properly in case the
// type is a string, number, bigint or boolean. The reason is that those values
// can match lots of different string values (e.g., 1n == '+00001').


function findLooseMatchingPrimitives(prim) {
  switch (_typeof(prim)) {
    case 'undefined':
      return null;

    case 'object':
      // Only pass in null as object!
      return undefined;

    case 'symbol':
      return false;

    case 'string':
      prim = +prim;
    // Loose equal entries exist only if the string is possible to convert to
    // a regular number and not NaN.
    // Fall through

    case 'number':
      if (numberIsNaN(prim)) {
        return false;
      }

  }

  return true;
}

function setMightHaveLoosePrim(a, b, prim) {
  var altValue = findLooseMatchingPrimitives(prim);
  if (altValue != null) return altValue;
  return b.has(altValue) && !a.has(altValue);
}

function mapMightHaveLoosePrim(a, b, prim, item, memo) {
  var altValue = findLooseMatchingPrimitives(prim);

  if (altValue != null) {
    return altValue;
  }

  var curB = b.get(altValue);

  if (curB === undefined && !b.has(altValue) || !innerDeepEqual(item, curB, false, memo)) {
    return false;
  }

  return !a.has(altValue) && innerDeepEqual(item, curB, false, memo);
}

function setEquiv(a, b, strict, memo) {
  // This is a lazily initiated Set of entries which have to be compared
  // pairwise.
  var set = null;
  var aValues = arrayFromSet(a);

  for (var i = 0; i < aValues.length; i++) {
    var val = aValues[i]; // Note: Checking for the objects first improves the performance for object
    // heavy sets but it is a minor slow down for primitives. As they are fast
    // to check this improves the worst case scenario instead.

    if (_typeof(val) === 'object' && val !== null) {
      if (set === null) {
        set = new Set();
      } // If the specified value doesn't exist in the second set its an not null
      // object (or non strict only: a not matching primitive) we'll need to go
      // hunting for something thats deep-(strict-)equal to it. To make this
      // O(n log n) complexity we have to copy these values in a new set first.


      set.add(val);
    } else if (!b.has(val)) {
      if (strict) return false; // Fast path to detect missing string, symbol, undefined and null values.

      if (!setMightHaveLoosePrim(a, b, val)) {
        return false;
      }

      if (set === null) {
        set = new Set();
      }

      set.add(val);
    }
  }

  if (set !== null) {
    var bValues = arrayFromSet(b);

    for (var _i = 0; _i < bValues.length; _i++) {
      var _val = bValues[_i]; // We have to check if a primitive value is already
      // matching and only if it's not, go hunting for it.

      if (_typeof(_val) === 'object' && _val !== null) {
        if (!setHasEqualElement(set, _val, strict, memo)) return false;
      } else if (!strict && !a.has(_val) && !setHasEqualElement(set, _val, strict, memo)) {
        return false;
      }
    }

    return set.size === 0;
  }

  return true;
}

function mapHasEqualEntry(set, map, key1, item1, strict, memo) {
  // To be able to handle cases like:
  //   Map([[{}, 'a'], [{}, 'b']]) vs Map([[{}, 'b'], [{}, 'a']])
  // ... we need to consider *all* matching keys, not just the first we find.
  var setValues = arrayFromSet(set);

  for (var i = 0; i < setValues.length; i++) {
    var key2 = setValues[i];

    if (innerDeepEqual(key1, key2, strict, memo) && innerDeepEqual(item1, map.get(key2), strict, memo)) {
      set.delete(key2);
      return true;
    }
  }

  return false;
}

function mapEquiv(a, b, strict, memo) {
  var set = null;
  var aEntries = arrayFromMap(a);

  for (var i = 0; i < aEntries.length; i++) {
    var _aEntries$i = _slicedToArray(aEntries[i], 2),
        key = _aEntries$i[0],
        item1 = _aEntries$i[1];

    if (_typeof(key) === 'object' && key !== null) {
      if (set === null) {
        set = new Set();
      }

      set.add(key);
    } else {
      // By directly retrieving the value we prevent another b.has(key) check in
      // almost all possible cases.
      var item2 = b.get(key);

      if (item2 === undefined && !b.has(key) || !innerDeepEqual(item1, item2, strict, memo)) {
        if (strict) return false; // Fast path to detect missing string, symbol, undefined and null
        // keys.

        if (!mapMightHaveLoosePrim(a, b, key, item1, memo)) return false;

        if (set === null) {
          set = new Set();
        }

        set.add(key);
      }
    }
  }

  if (set !== null) {
    var bEntries = arrayFromMap(b);

    for (var _i2 = 0; _i2 < bEntries.length; _i2++) {
      var _bEntries$_i = _slicedToArray(bEntries[_i2], 2),
          key = _bEntries$_i[0],
          item = _bEntries$_i[1];

      if (_typeof(key) === 'object' && key !== null) {
        if (!mapHasEqualEntry(set, a, key, item, strict, memo)) return false;
      } else if (!strict && (!a.has(key) || !innerDeepEqual(a.get(key), item, false, memo)) && !mapHasEqualEntry(set, a, key, item, false, memo)) {
        return false;
      }
    }

    return set.size === 0;
  }

  return true;
}

function objEquiv(a, b, strict, keys, memos, iterationType) {
  // Sets and maps don't have their entries accessible via normal object
  // properties.
  var i = 0;

  if (iterationType === kIsSet) {
    if (!setEquiv(a, b, strict, memos)) {
      return false;
    }
  } else if (iterationType === kIsMap) {
    if (!mapEquiv(a, b, strict, memos)) {
      return false;
    }
  } else if (iterationType === kIsArray) {
    for (; i < a.length; i++) {
      if (hasOwnProperty(a, i)) {
        if (!hasOwnProperty(b, i) || !innerDeepEqual(a[i], b[i], strict, memos)) {
          return false;
        }
      } else if (hasOwnProperty(b, i)) {
        return false;
      } else {
        // Array is sparse.
        var keysA = Object.keys(a);

        for (; i < keysA.length; i++) {
          var key = keysA[i];

          if (!hasOwnProperty(b, key) || !innerDeepEqual(a[key], b[key], strict, memos)) {
            return false;
          }
        }

        if (keysA.length !== Object.keys(b).length) {
          return false;
        }

        return true;
      }
    }
  } // The pair must have equivalent values for every corresponding key.
  // Possibly expensive deep test:


  for (i = 0; i < keys.length; i++) {
    var _key = keys[i];

    if (!innerDeepEqual(a[_key], b[_key], strict, memos)) {
      return false;
    }
  }

  return true;
}

function isDeepEqual(val1, val2) {
  return innerDeepEqual(val1, val2, kLoose);
}

function isDeepStrictEqual(val1, val2) {
  return innerDeepEqual(val1, val2, kStrict);
}

module.exports = {
  isDeepEqual: isDeepEqual,
  isDeepStrictEqual: isDeepStrictEqual
};

/***/ }),

/***/ 58162:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

// base-x encoding / decoding
// Copyright (c) 2018 base-x contributors
// Copyright (c) 2014-2018 The Bitcoin Core developers (base58.cpp)
// Distributed under the MIT software license, see the accompanying
// file LICENSE or http://www.opensource.org/licenses/mit-license.php.
// @ts-ignore
var _Buffer = (__webpack_require__(89509).Buffer)
function base (ALPHABET) {
  if (ALPHABET.length >= 255) { throw new TypeError('Alphabet too long') }
  var BASE_MAP = new Uint8Array(256)
  for (var j = 0; j < BASE_MAP.length; j++) {
    BASE_MAP[j] = 255
  }
  for (var i = 0; i < ALPHABET.length; i++) {
    var x = ALPHABET.charAt(i)
    var xc = x.charCodeAt(0)
    if (BASE_MAP[xc] !== 255) { throw new TypeError(x + ' is ambiguous') }
    BASE_MAP[xc] = i
  }
  var BASE = ALPHABET.length
  var LEADER = ALPHABET.charAt(0)
  var FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up
  var iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up
  function encode (source) {
    if (Array.isArray(source) || source instanceof Uint8Array) { source = _Buffer.from(source) }
    if (!_Buffer.isBuffer(source)) { throw new TypeError('Expected Buffer') }
    if (source.length === 0) { return '' }
        // Skip & count leading zeroes.
    var zeroes = 0
    var length = 0
    var pbegin = 0
    var pend = source.length
    while (pbegin !== pend && source[pbegin] === 0) {
      pbegin++
      zeroes++
    }
        // Allocate enough space in big-endian base58 representation.
    var size = ((pend - pbegin) * iFACTOR + 1) >>> 0
    var b58 = new Uint8Array(size)
        // Process the bytes.
    while (pbegin !== pend) {
      var carry = source[pbegin]
            // Apply "b58 = b58 * 256 + ch".
      var i = 0
      for (var it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) {
        carry += (256 * b58[it1]) >>> 0
        b58[it1] = (carry % BASE) >>> 0
        carry = (carry / BASE) >>> 0
      }
      if (carry !== 0) { throw new Error('Non-zero carry') }
      length = i
      pbegin++
    }
        // Skip leading zeroes in base58 result.
    var it2 = size - length
    while (it2 !== size && b58[it2] === 0) {
      it2++
    }
        // Translate the result into a string.
    var str = LEADER.repeat(zeroes)
    for (; it2 < size; ++it2) { str += ALPHABET.charAt(b58[it2]) }
    return str
  }
  function decodeUnsafe (source) {
    if (typeof source !== 'string') { throw new TypeError('Expected String') }
    if (source.length === 0) { return _Buffer.alloc(0) }
    var psz = 0
        // Skip and count leading '1's.
    var zeroes = 0
    var length = 0
    while (source[psz] === LEADER) {
      zeroes++
      psz++
    }
        // Allocate enough space in big-endian base256 representation.
    var size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up.
    var b256 = new Uint8Array(size)
        // Process the characters.
    while (source[psz]) {
            // Decode character
      var carry = BASE_MAP[source.charCodeAt(psz)]
            // Invalid character
      if (carry === 255) { return }
      var i = 0
      for (var it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) {
        carry += (BASE * b256[it3]) >>> 0
        b256[it3] = (carry % 256) >>> 0
        carry = (carry / 256) >>> 0
      }
      if (carry !== 0) { throw new Error('Non-zero carry') }
      length = i
      psz++
    }
        // Skip leading zeroes in b256.
    var it4 = size - length
    while (it4 !== size && b256[it4] === 0) {
      it4++
    }
    var vch = _Buffer.allocUnsafe(zeroes + (size - it4))
    vch.fill(0x00, 0, zeroes)
    var j = zeroes
    while (it4 !== size) {
      vch[j++] = b256[it4++]
    }
    return vch
  }
  function decode (string) {
    var buffer = decodeUnsafe(string)
    if (buffer) { return buffer }
    throw new Error('Non-base' + BASE + ' character')
  }
  return {
    encode: encode,
    decodeUnsafe: decodeUnsafe,
    decode: decode
  }
}
module.exports = base


/***/ }),

/***/ 79742:
/***/ ((__unused_webpack_module, exports) => {

"use strict";


exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray

var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array

var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
  lookup[i] = code[i]
  revLookup[code.charCodeAt(i)] = i
}

// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63

function getLens (b64) {
  var len = b64.length

  if (len % 4 > 0) {
    throw new Error('Invalid string. Length must be a multiple of 4')
  }

  // Trim off extra bytes after placeholder bytes are found
  // See: https://github.com/beatgammit/base64-js/issues/42
  var validLen = b64.indexOf('=')
  if (validLen === -1) validLen = len

  var placeHoldersLen = validLen === len
    ? 0
    : 4 - (validLen % 4)

  return [validLen, placeHoldersLen]
}

// base64 is 4/3 + up to two characters of the original data
function byteLength (b64) {
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function _byteLength (b64, validLen, placeHoldersLen) {
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function toByteArray (b64) {
  var tmp
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]

  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))

  var curByte = 0

  // if there are placeholders, only get up to the last complete 4 chars
  var len = placeHoldersLen > 0
    ? validLen - 4
    : validLen

  var i
  for (i = 0; i < len; i += 4) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 18) |
      (revLookup[b64.charCodeAt(i + 1)] << 12) |
      (revLookup[b64.charCodeAt(i + 2)] << 6) |
      revLookup[b64.charCodeAt(i + 3)]
    arr[curByte++] = (tmp >> 16) & 0xFF
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 2) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 2) |
      (revLookup[b64.charCodeAt(i + 1)] >> 4)
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 1) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 10) |
      (revLookup[b64.charCodeAt(i + 1)] << 4) |
      (revLookup[b64.charCodeAt(i + 2)] >> 2)
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  return arr
}

function tripletToBase64 (num) {
  return lookup[num >> 18 & 0x3F] +
    lookup[num >> 12 & 0x3F] +
    lookup[num >> 6 & 0x3F] +
    lookup[num & 0x3F]
}

function encodeChunk (uint8, start, end) {
  var tmp
  var output = []
  for (var i = start; i < end; i += 3) {
    tmp =
      ((uint8[i] << 16) & 0xFF0000) +
      ((uint8[i + 1] << 8) & 0xFF00) +
      (uint8[i + 2] & 0xFF)
    output.push(tripletToBase64(tmp))
  }
  return output.join('')
}

function fromByteArray (uint8) {
  var tmp
  var len = uint8.length
  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
  var parts = []
  var maxChunkLength = 16383 // must be multiple of 3

  // go through the array every three bytes, we'll deal with trailing stuff later
  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
  }

  // pad the end with zeros, but make sure to not forget the extra bytes
  if (extraBytes === 1) {
    tmp = uint8[len - 1]
    parts.push(
      lookup[tmp >> 2] +
      lookup[(tmp << 4) & 0x3F] +
      '=='
    )
  } else if (extraBytes === 2) {
    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
    parts.push(
      lookup[tmp >> 10] +
      lookup[(tmp >> 4) & 0x3F] +
      lookup[(tmp << 2) & 0x3F] +
      '='
    )
  }

  return parts.join('')
}


/***/ }),

/***/ 24736:
/***/ ((module, exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
var __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) {
    "use strict";

    var BASE = 1e7,
        LOG_BASE = 7,
        MAX_INT = 9007199254740992,
        MAX_INT_ARR = smallToArray(MAX_INT),
        DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz";

    var supportsNativeBigInt = typeof BigInt === "function";

    function Integer(v, radix, alphabet, caseSensitive) {
        if (typeof v === "undefined") return Integer[0];
        if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive);
        return parseValue(v);
    }

    function BigInteger(value, sign) {
        this.value = value;
        this.sign = sign;
        this.isSmall = false;
    }
    BigInteger.prototype = Object.create(Integer.prototype);

    function SmallInteger(value) {
        this.value = value;
        this.sign = value < 0;
        this.isSmall = true;
    }
    SmallInteger.prototype = Object.create(Integer.prototype);

    function NativeBigInt(value) {
        this.value = value;
    }
    NativeBigInt.prototype = Object.create(Integer.prototype);

    function isPrecise(n) {
        return -MAX_INT < n && n < MAX_INT;
    }

    function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes
        if (n < 1e7)
            return [n];
        if (n < 1e14)
            return [n % 1e7, Math.floor(n / 1e7)];
        return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)];
    }

    function arrayToSmall(arr) { // If BASE changes this function may need to change
        trim(arr);
        var length = arr.length;
        if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) {
            switch (length) {
                case 0: return 0;
                case 1: return arr[0];
                case 2: return arr[0] + arr[1] * BASE;
                default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE;
            }
        }
        return arr;
    }

    function trim(v) {
        var i = v.length;
        while (v[--i] === 0);
        v.length = i + 1;
    }

    function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger
        var x = new Array(length);
        var i = -1;
        while (++i < length) {
            x[i] = 0;
        }
        return x;
    }

    function truncate(n) {
        if (n > 0) return Math.floor(n);
        return Math.ceil(n);
    }

    function add(a, b) { // assumes a and b are arrays with a.length >= b.length
        var l_a = a.length,
            l_b = b.length,
            r = new Array(l_a),
            carry = 0,
            base = BASE,
            sum, i;
        for (i = 0; i < l_b; i++) {
            sum = a[i] + b[i] + carry;
            carry = sum >= base ? 1 : 0;
            r[i] = sum - carry * base;
        }
        while (i < l_a) {
            sum = a[i] + carry;
            carry = sum === base ? 1 : 0;
            r[i++] = sum - carry * base;
        }
        if (carry > 0) r.push(carry);
        return r;
    }

    function addAny(a, b) {
        if (a.length >= b.length) return add(a, b);
        return add(b, a);
    }

    function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT
        var l = a.length,
            r = new Array(l),
            base = BASE,
            sum, i;
        for (i = 0; i < l; i++) {
            sum = a[i] - base + carry;
            carry = Math.floor(sum / base);
            r[i] = sum - carry * base;
            carry += 1;
        }
        while (carry > 0) {
            r[i++] = carry % base;
            carry = Math.floor(carry / base);
        }
        return r;
    }

    BigInteger.prototype.add = function (v) {
        var n = parseValue(v);
        if (this.sign !== n.sign) {
            return this.subtract(n.negate());
        }
        var a = this.value, b = n.value;
        if (n.isSmall) {
            return new BigInteger(addSmall(a, Math.abs(b)), this.sign);
        }
        return new BigInteger(addAny(a, b), this.sign);
    };
    BigInteger.prototype.plus = BigInteger.prototype.add;

    SmallInteger.prototype.add = function (v) {
        var n = parseValue(v);
        var a = this.value;
        if (a < 0 !== n.sign) {
            return this.subtract(n.negate());
        }
        var b = n.value;
        if (n.isSmall) {
            if (isPrecise(a + b)) return new SmallInteger(a + b);
            b = smallToArray(Math.abs(b));
        }
        return new BigInteger(addSmall(b, Math.abs(a)), a < 0);
    };
    SmallInteger.prototype.plus = SmallInteger.prototype.add;

    NativeBigInt.prototype.add = function (v) {
        return new NativeBigInt(this.value + parseValue(v).value);
    }
    NativeBigInt.prototype.plus = NativeBigInt.prototype.add;

    function subtract(a, b) { // assumes a and b are arrays with a >= b
        var a_l = a.length,
            b_l = b.length,
            r = new Array(a_l),
            borrow = 0,
            base = BASE,
            i, difference;
        for (i = 0; i < b_l; i++) {
            difference = a[i] - borrow - b[i];
            if (difference < 0) {
                difference += base;
                borrow = 1;
            } else borrow = 0;
            r[i] = difference;
        }
        for (i = b_l; i < a_l; i++) {
            difference = a[i] - borrow;
            if (difference < 0) difference += base;
            else {
                r[i++] = difference;
                break;
            }
            r[i] = difference;
        }
        for (; i < a_l; i++) {
            r[i] = a[i];
        }
        trim(r);
        return r;
    }

    function subtractAny(a, b, sign) {
        var value;
        if (compareAbs(a, b) >= 0) {
            value = subtract(a, b);
        } else {
            value = subtract(b, a);
            sign = !sign;
        }
        value = arrayToSmall(value);
        if (typeof value === "number") {
            if (sign) value = -value;
            return new SmallInteger(value);
        }
        return new BigInteger(value, sign);
    }

    function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT
        var l = a.length,
            r = new Array(l),
            carry = -b,
            base = BASE,
            i, difference;
        for (i = 0; i < l; i++) {
            difference = a[i] + carry;
            carry = Math.floor(difference / base);
            difference %= base;
            r[i] = difference < 0 ? difference + base : difference;
        }
        r = arrayToSmall(r);
        if (typeof r === "number") {
            if (sign) r = -r;
            return new SmallInteger(r);
        } return new BigInteger(r, sign);
    }

    BigInteger.prototype.subtract = function (v) {
        var n = parseValue(v);
        if (this.sign !== n.sign) {
            return this.add(n.negate());
        }
        var a = this.value, b = n.value;
        if (n.isSmall)
            return subtractSmall(a, Math.abs(b), this.sign);
        return subtractAny(a, b, this.sign);
    };
    BigInteger.prototype.minus = BigInteger.prototype.subtract;

    SmallInteger.prototype.subtract = function (v) {
        var n = parseValue(v);
        var a = this.value;
        if (a < 0 !== n.sign) {
            return this.add(n.negate());
        }
        var b = n.value;
        if (n.isSmall) {
            return new SmallInteger(a - b);
        }
        return subtractSmall(b, Math.abs(a), a >= 0);
    };
    SmallInteger.prototype.minus = SmallInteger.prototype.subtract;

    NativeBigInt.prototype.subtract = function (v) {
        return new NativeBigInt(this.value - parseValue(v).value);
    }
    NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract;

    BigInteger.prototype.negate = function () {
        return new BigInteger(this.value, !this.sign);
    };
    SmallInteger.prototype.negate = function () {
        var sign = this.sign;
        var small = new SmallInteger(-this.value);
        small.sign = !sign;
        return small;
    };
    NativeBigInt.prototype.negate = function () {
        return new NativeBigInt(-this.value);
    }

    BigInteger.prototype.abs = function () {
        return new BigInteger(this.value, false);
    };
    SmallInteger.prototype.abs = function () {
        return new SmallInteger(Math.abs(this.value));
    };
    NativeBigInt.prototype.abs = function () {
        return new NativeBigInt(this.value >= 0 ? this.value : -this.value);
    }


    function multiplyLong(a, b) {
        var a_l = a.length,
            b_l = b.length,
            l = a_l + b_l,
            r = createArray(l),
            base = BASE,
            product, carry, i, a_i, b_j;
        for (i = 0; i < a_l; ++i) {
            a_i = a[i];
            for (var j = 0; j < b_l; ++j) {
                b_j = b[j];
                product = a_i * b_j + r[i + j];
                carry = Math.floor(product / base);
                r[i + j] = product - carry * base;
                r[i + j + 1] += carry;
            }
        }
        trim(r);
        return r;
    }

    function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE
        var l = a.length,
            r = new Array(l),
            base = BASE,
            carry = 0,
            product, i;
        for (i = 0; i < l; i++) {
            product = a[i] * b + carry;
            carry = Math.floor(product / base);
            r[i] = product - carry * base;
        }
        while (carry > 0) {
            r[i++] = carry % base;
            carry = Math.floor(carry / base);
        }
        return r;
    }

    function shiftLeft(x, n) {
        var r = [];
        while (n-- > 0) r.push(0);
        return r.concat(x);
    }

    function multiplyKaratsuba(x, y) {
        var n = Math.max(x.length, y.length);

        if (n <= 30) return multiplyLong(x, y);
        n = Math.ceil(n / 2);

        var b = x.slice(n),
            a = x.slice(0, n),
            d = y.slice(n),
            c = y.slice(0, n);

        var ac = multiplyKaratsuba(a, c),
            bd = multiplyKaratsuba(b, d),
            abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d));

        var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n));
        trim(product);
        return product;
    }

    // The following function is derived from a surface fit of a graph plotting the performance difference
    // between long multiplication and karatsuba multiplication versus the lengths of the two arrays.
    function useKaratsuba(l1, l2) {
        return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0;
    }

    BigInteger.prototype.multiply = function (v) {
        var n = parseValue(v),
            a = this.value, b = n.value,
            sign = this.sign !== n.sign,
            abs;
        if (n.isSmall) {
            if (b === 0) return Integer[0];
            if (b === 1) return this;
            if (b === -1) return this.negate();
            abs = Math.abs(b);
            if (abs < BASE) {
                return new BigInteger(multiplySmall(a, abs), sign);
            }
            b = smallToArray(abs);
        }
        if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes
            return new BigInteger(multiplyKaratsuba(a, b), sign);
        return new BigInteger(multiplyLong(a, b), sign);
    };

    BigInteger.prototype.times = BigInteger.prototype.multiply;

    function multiplySmallAndArray(a, b, sign) { // a >= 0
        if (a < BASE) {
            return new BigInteger(multiplySmall(b, a), sign);
        }
        return new BigInteger(multiplyLong(b, smallToArray(a)), sign);
    }
    SmallInteger.prototype._multiplyBySmall = function (a) {
        if (isPrecise(a.value * this.value)) {
            return new SmallInteger(a.value * this.value);
        }
        return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign);
    };
    BigInteger.prototype._multiplyBySmall = function (a) {
        if (a.value === 0) return Integer[0];
        if (a.value === 1) return this;
        if (a.value === -1) return this.negate();
        return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign);
    };
    SmallInteger.prototype.multiply = function (v) {
        return parseValue(v)._multiplyBySmall(this);
    };
    SmallInteger.prototype.times = SmallInteger.prototype.multiply;

    NativeBigInt.prototype.multiply = function (v) {
        return new NativeBigInt(this.value * parseValue(v).value);
    }
    NativeBigInt.prototype.times = NativeBigInt.prototype.multiply;

    function square(a) {
        //console.assert(2 * BASE * BASE < MAX_INT);
        var l = a.length,
            r = createArray(l + l),
            base = BASE,
            product, carry, i, a_i, a_j;
        for (i = 0; i < l; i++) {
            a_i = a[i];
            carry = 0 - a_i * a_i;
            for (var j = i; j < l; j++) {
                a_j = a[j];
                product = 2 * (a_i * a_j) + r[i + j] + carry;
                carry = Math.floor(product / base);
                r[i + j] = product - carry * base;
            }
            r[i + l] = carry;
        }
        trim(r);
        return r;
    }

    BigInteger.prototype.square = function () {
        return new BigInteger(square(this.value), false);
    };

    SmallInteger.prototype.square = function () {
        var value = this.value * this.value;
        if (isPrecise(value)) return new SmallInteger(value);
        return new BigInteger(square(smallToArray(Math.abs(this.value))), false);
    };

    NativeBigInt.prototype.square = function (v) {
        return new NativeBigInt(this.value * this.value);
    }

    function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes.
        var a_l = a.length,
            b_l = b.length,
            base = BASE,
            result = createArray(b.length),
            divisorMostSignificantDigit = b[b_l - 1],
            // normalization
            lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)),
            remainder = multiplySmall(a, lambda),
            divisor = multiplySmall(b, lambda),
            quotientDigit, shift, carry, borrow, i, l, q;
        if (remainder.length <= a_l) remainder.push(0);
        divisor.push(0);
        divisorMostSignificantDigit = divisor[b_l - 1];
        for (shift = a_l - b_l; shift >= 0; shift--) {
            quotientDigit = base - 1;
            if (remainder[shift + b_l] !== divisorMostSignificantDigit) {
                quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit);
            }
            // quotientDigit <= base - 1
            carry = 0;
            borrow = 0;
            l = divisor.length;
            for (i = 0; i < l; i++) {
                carry += quotientDigit * divisor[i];
                q = Math.floor(carry / base);
                borrow += remainder[shift + i] - (carry - q * base);
                carry = q;
                if (borrow < 0) {
                    remainder[shift + i] = borrow + base;
                    borrow = -1;
                } else {
                    remainder[shift + i] = borrow;
                    borrow = 0;
                }
            }
            while (borrow !== 0) {
                quotientDigit -= 1;
                carry = 0;
                for (i = 0; i < l; i++) {
                    carry += remainder[shift + i] - base + divisor[i];
                    if (carry < 0) {
                        remainder[shift + i] = carry + base;
                        carry = 0;
                    } else {
                        remainder[shift + i] = carry;
                        carry = 1;
                    }
                }
                borrow += carry;
            }
            result[shift] = quotientDigit;
        }
        // denormalization
        remainder = divModSmall(remainder, lambda)[0];
        return [arrayToSmall(result), arrayToSmall(remainder)];
    }

    function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/
        // Performs faster than divMod1 on larger input sizes.
        var a_l = a.length,
            b_l = b.length,
            result = [],
            part = [],
            base = BASE,
            guess, xlen, highx, highy, check;
        while (a_l) {
            part.unshift(a[--a_l]);
            trim(part);
            if (compareAbs(part, b) < 0) {
                result.push(0);
                continue;
            }
            xlen = part.length;
            highx = part[xlen - 1] * base + part[xlen - 2];
            highy = b[b_l - 1] * base + b[b_l - 2];
            if (xlen > b_l) {
                highx = (highx + 1) * base;
            }
            guess = Math.ceil(highx / highy);
            do {
                check = multiplySmall(b, guess);
                if (compareAbs(check, part) <= 0) break;
                guess--;
            } while (guess);
            result.push(guess);
            part = subtract(part, check);
        }
        result.reverse();
        return [arrayToSmall(result), arrayToSmall(part)];
    }

    function divModSmall(value, lambda) {
        var length = value.length,
            quotient = createArray(length),
            base = BASE,
            i, q, remainder, divisor;
        remainder = 0;
        for (i = length - 1; i >= 0; --i) {
            divisor = remainder * base + value[i];
            q = truncate(divisor / lambda);
            remainder = divisor - q * lambda;
            quotient[i] = q | 0;
        }
        return [quotient, remainder | 0];
    }

    function divModAny(self, v) {
        var value, n = parseValue(v);
        if (supportsNativeBigInt) {
            return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)];
        }
        var a = self.value, b = n.value;
        var quotient;
        if (b === 0) throw new Error("Cannot divide by zero");
        if (self.isSmall) {
            if (n.isSmall) {
                return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)];
            }
            return [Integer[0], self];
        }
        if (n.isSmall) {
            if (b === 1) return [self, Integer[0]];
            if (b == -1) return [self.negate(), Integer[0]];
            var abs = Math.abs(b);
            if (abs < BASE) {
                value = divModSmall(a, abs);
                quotient = arrayToSmall(value[0]);
                var remainder = value[1];
                if (self.sign) remainder = -remainder;
                if (typeof quotient === "number") {
                    if (self.sign !== n.sign) quotient = -quotient;
                    return [new SmallInteger(quotient), new SmallInteger(remainder)];
                }
                return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)];
            }
            b = smallToArray(abs);
        }
        var comparison = compareAbs(a, b);
        if (comparison === -1) return [Integer[0], self];
        if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]];

        // divMod1 is faster on smaller input sizes
        if (a.length + b.length <= 200)
            value = divMod1(a, b);
        else value = divMod2(a, b);

        quotient = value[0];
        var qSign = self.sign !== n.sign,
            mod = value[1],
            mSign = self.sign;
        if (typeof quotient === "number") {
            if (qSign) quotient = -quotient;
            quotient = new SmallInteger(quotient);
        } else quotient = new BigInteger(quotient, qSign);
        if (typeof mod === "number") {
            if (mSign) mod = -mod;
            mod = new SmallInteger(mod);
        } else mod = new BigInteger(mod, mSign);
        return [quotient, mod];
    }

    BigInteger.prototype.divmod = function (v) {
        var result = divModAny(this, v);
        return {
            quotient: result[0],
            remainder: result[1]
        };
    };
    NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod;


    BigInteger.prototype.divide = function (v) {
        return divModAny(this, v)[0];
    };
    NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) {
        return new NativeBigInt(this.value / parseValue(v).value);
    };
    SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide;

    BigInteger.prototype.mod = function (v) {
        return divModAny(this, v)[1];
    };
    NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) {
        return new NativeBigInt(this.value % parseValue(v).value);
    };
    SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod;

    BigInteger.prototype.pow = function (v) {
        var n = parseValue(v),
            a = this.value,
            b = n.value,
            value, x, y;
        if (b === 0) return Integer[1];
        if (a === 0) return Integer[0];
        if (a === 1) return Integer[1];
        if (a === -1) return n.isEven() ? Integer[1] : Integer[-1];
        if (n.sign) {
            return Integer[0];
        }
        if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large.");
        if (this.isSmall) {
            if (isPrecise(value = Math.pow(a, b)))
                return new SmallInteger(truncate(value));
        }
        x = this;
        y = Integer[1];
        while (true) {
            if (b & 1 === 1) {
                y = y.times(x);
                --b;
            }
            if (b === 0) break;
            b /= 2;
            x = x.square();
        }
        return y;
    };
    SmallInteger.prototype.pow = BigInteger.prototype.pow;

    NativeBigInt.prototype.pow = function (v) {
        var n = parseValue(v);
        var a = this.value, b = n.value;
        var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2);
        if (b === _0) return Integer[1];
        if (a === _0) return Integer[0];
        if (a === _1) return Integer[1];
        if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1];
        if (n.isNegative()) return new NativeBigInt(_0);
        var x = this;
        var y = Integer[1];
        while (true) {
            if ((b & _1) === _1) {
                y = y.times(x);
                --b;
            }
            if (b === _0) break;
            b /= _2;
            x = x.square();
        }
        return y;
    }

    BigInteger.prototype.modPow = function (exp, mod) {
        exp = parseValue(exp);
        mod = parseValue(mod);
        if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0");
        var r = Integer[1],
            base = this.mod(mod);
        if (exp.isNegative()) {
            exp = exp.multiply(Integer[-1]);
            base = base.modInv(mod);
        }
        while (exp.isPositive()) {
            if (base.isZero()) return Integer[0];
            if (exp.isOdd()) r = r.multiply(base).mod(mod);
            exp = exp.divide(2);
            base = base.square().mod(mod);
        }
        return r;
    };
    NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow;

    function compareAbs(a, b) {
        if (a.length !== b.length) {
            return a.length > b.length ? 1 : -1;
        }
        for (var i = a.length - 1; i >= 0; i--) {
            if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1;
        }
        return 0;
    }

    BigInteger.prototype.compareAbs = function (v) {
        var n = parseValue(v),
            a = this.value,
            b = n.value;
        if (n.isSmall) return 1;
        return compareAbs(a, b);
    };
    SmallInteger.prototype.compareAbs = function (v) {
        var n = parseValue(v),
            a = Math.abs(this.value),
            b = n.value;
        if (n.isSmall) {
            b = Math.abs(b);
            return a === b ? 0 : a > b ? 1 : -1;
        }
        return -1;
    };
    NativeBigInt.prototype.compareAbs = function (v) {
        var a = this.value;
        var b = parseValue(v).value;
        a = a >= 0 ? a : -a;
        b = b >= 0 ? b : -b;
        return a === b ? 0 : a > b ? 1 : -1;
    }

    BigInteger.prototype.compare = function (v) {
        // See discussion about comparison with Infinity:
        // https://github.com/peterolson/BigInteger.js/issues/61
        if (v === Infinity) {
            return -1;
        }
        if (v === -Infinity) {
            return 1;
        }

        var n = parseValue(v),
            a = this.value,
            b = n.value;
        if (this.sign !== n.sign) {
            return n.sign ? 1 : -1;
        }
        if (n.isSmall) {
            return this.sign ? -1 : 1;
        }
        return compareAbs(a, b) * (this.sign ? -1 : 1);
    };
    BigInteger.prototype.compareTo = BigInteger.prototype.compare;

    SmallInteger.prototype.compare = function (v) {
        if (v === Infinity) {
            return -1;
        }
        if (v === -Infinity) {
            return 1;
        }

        var n = parseValue(v),
            a = this.value,
            b = n.value;
        if (n.isSmall) {
            return a == b ? 0 : a > b ? 1 : -1;
        }
        if (a < 0 !== n.sign) {
            return a < 0 ? -1 : 1;
        }
        return a < 0 ? 1 : -1;
    };
    SmallInteger.prototype.compareTo = SmallInteger.prototype.compare;

    NativeBigInt.prototype.compare = function (v) {
        if (v === Infinity) {
            return -1;
        }
        if (v === -Infinity) {
            return 1;
        }
        var a = this.value;
        var b = parseValue(v).value;
        return a === b ? 0 : a > b ? 1 : -1;
    }
    NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare;

    BigInteger.prototype.equals = function (v) {
        return this.compare(v) === 0;
    };
    NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals;

    BigInteger.prototype.notEquals = function (v) {
        return this.compare(v) !== 0;
    };
    NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals;

    BigInteger.prototype.greater = function (v) {
        return this.compare(v) > 0;
    };
    NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater;

    BigInteger.prototype.lesser = function (v) {
        return this.compare(v) < 0;
    };
    NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser;

    BigInteger.prototype.greaterOrEquals = function (v) {
        return this.compare(v) >= 0;
    };
    NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals;

    BigInteger.prototype.lesserOrEquals = function (v) {
        return this.compare(v) <= 0;
    };
    NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals;

    BigInteger.prototype.isEven = function () {
        return (this.value[0] & 1) === 0;
    };
    SmallInteger.prototype.isEven = function () {
        return (this.value & 1) === 0;
    };
    NativeBigInt.prototype.isEven = function () {
        return (this.value & BigInt(1)) === BigInt(0);
    }

    BigInteger.prototype.isOdd = function () {
        return (this.value[0] & 1) === 1;
    };
    SmallInteger.prototype.isOdd = function () {
        return (this.value & 1) === 1;
    };
    NativeBigInt.prototype.isOdd = function () {
        return (this.value & BigInt(1)) === BigInt(1);
    }

    BigInteger.prototype.isPositive = function () {
        return !this.sign;
    };
    SmallInteger.prototype.isPositive = function () {
        return this.value > 0;
    };
    NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive;

    BigInteger.prototype.isNegative = function () {
        return this.sign;
    };
    SmallInteger.prototype.isNegative = function () {
        return this.value < 0;
    };
    NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative;

    BigInteger.prototype.isUnit = function () {
        return false;
    };
    SmallInteger.prototype.isUnit = function () {
        return Math.abs(this.value) === 1;
    };
    NativeBigInt.prototype.isUnit = function () {
        return this.abs().value === BigInt(1);
    }

    BigInteger.prototype.isZero = function () {
        return false;
    };
    SmallInteger.prototype.isZero = function () {
        return this.value === 0;
    };
    NativeBigInt.prototype.isZero = function () {
        return this.value === BigInt(0);
    }

    BigInteger.prototype.isDivisibleBy = function (v) {
        var n = parseValue(v);
        if (n.isZero()) return false;
        if (n.isUnit()) return true;
        if (n.compareAbs(2) === 0) return this.isEven();
        return this.mod(n).isZero();
    };
    NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy;

    function isBasicPrime(v) {
        var n = v.abs();
        if (n.isUnit()) return false;
        if (n.equals(2) || n.equals(3) || n.equals(5)) return true;
        if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false;
        if (n.lesser(49)) return true;
        // we don't know if it's prime: let the other functions figure it out
    }

    function millerRabinTest(n, a) {
        var nPrev = n.prev(),
            b = nPrev,
            r = 0,
            d, t, i, x;
        while (b.isEven()) b = b.divide(2), r++;
        next: for (i = 0; i < a.length; i++) {
            if (n.lesser(a[i])) continue;
            x = bigInt(a[i]).modPow(b, n);
            if (x.isUnit() || x.equals(nPrev)) continue;
            for (d = r - 1; d != 0; d--) {
                x = x.square().mod(n);
                if (x.isUnit()) return false;
                if (x.equals(nPrev)) continue next;
            }
            return false;
        }
        return true;
    }

    // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2
    BigInteger.prototype.isPrime = function (strict) {
        var isPrime = isBasicPrime(this);
        if (isPrime !== undefined) return isPrime;
        var n = this.abs();
        var bits = n.bitLength();
        if (bits <= 64)
            return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]);
        var logN = Math.log(2) * bits.toJSNumber();
        var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN);
        for (var a = [], i = 0; i < t; i++) {
            a.push(bigInt(i + 2));
        }
        return millerRabinTest(n, a);
    };
    NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime;

    BigInteger.prototype.isProbablePrime = function (iterations, rng) {
        var isPrime = isBasicPrime(this);
        if (isPrime !== undefined) return isPrime;
        var n = this.abs();
        var t = iterations === undefined ? 5 : iterations;
        for (var a = [], i = 0; i < t; i++) {
            a.push(bigInt.randBetween(2, n.minus(2), rng));
        }
        return millerRabinTest(n, a);
    };
    NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime;

    BigInteger.prototype.modInv = function (n) {
        var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR;
        while (!newR.isZero()) {
            q = r.divide(newR);
            lastT = t;
            lastR = r;
            t = newT;
            r = newR;
            newT = lastT.subtract(q.multiply(newT));
            newR = lastR.subtract(q.multiply(newR));
        }
        if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime");
        if (t.compare(0) === -1) {
            t = t.add(n);
        }
        if (this.isNegative()) {
            return t.negate();
        }
        return t;
    };

    NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv;

    BigInteger.prototype.next = function () {
        var value = this.value;
        if (this.sign) {
            return subtractSmall(value, 1, this.sign);
        }
        return new BigInteger(addSmall(value, 1), this.sign);
    };
    SmallInteger.prototype.next = function () {
        var value = this.value;
        if (value + 1 < MAX_INT) return new SmallInteger(value + 1);
        return new BigInteger(MAX_INT_ARR, false);
    };
    NativeBigInt.prototype.next = function () {
        return new NativeBigInt(this.value + BigInt(1));
    }

    BigInteger.prototype.prev = function () {
        var value = this.value;
        if (this.sign) {
            return new BigInteger(addSmall(value, 1), true);
        }
        return subtractSmall(value, 1, this.sign);
    };
    SmallInteger.prototype.prev = function () {
        var value = this.value;
        if (value - 1 > -MAX_INT) return new SmallInteger(value - 1);
        return new BigInteger(MAX_INT_ARR, true);
    };
    NativeBigInt.prototype.prev = function () {
        return new NativeBigInt(this.value - BigInt(1));
    }

    var powersOfTwo = [1];
    while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]);
    var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1];

    function shift_isSmall(n) {
        return Math.abs(n) <= BASE;
    }

    BigInteger.prototype.shiftLeft = function (v) {
        var n = parseValue(v).toJSNumber();
        if (!shift_isSmall(n)) {
            throw new Error(String(n) + " is too large for shifting.");
        }
        if (n < 0) return this.shiftRight(-n);
        var result = this;
        if (result.isZero()) return result;
        while (n >= powers2Length) {
            result = result.multiply(highestPower2);
            n -= powers2Length - 1;
        }
        return result.multiply(powersOfTwo[n]);
    };
    NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft;

    BigInteger.prototype.shiftRight = function (v) {
        var remQuo;
        var n = parseValue(v).toJSNumber();
        if (!shift_isSmall(n)) {
            throw new Error(String(n) + " is too large for shifting.");
        }
        if (n < 0) return this.shiftLeft(-n);
        var result = this;
        while (n >= powers2Length) {
            if (result.isZero() || (result.isNegative() && result.isUnit())) return result;
            remQuo = divModAny(result, highestPower2);
            result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];
            n -= powers2Length - 1;
        }
        remQuo = divModAny(result, powersOfTwo[n]);
        return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];
    };
    NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight;

    function bitwise(x, y, fn) {
        y = parseValue(y);
        var xSign = x.isNegative(), ySign = y.isNegative();
        var xRem = xSign ? x.not() : x,
            yRem = ySign ? y.not() : y;
        var xDigit = 0, yDigit = 0;
        var xDivMod = null, yDivMod = null;
        var result = [];
        while (!xRem.isZero() || !yRem.isZero()) {
            xDivMod = divModAny(xRem, highestPower2);
            xDigit = xDivMod[1].toJSNumber();
            if (xSign) {
                xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers
            }

            yDivMod = divModAny(yRem, highestPower2);
            yDigit = yDivMod[1].toJSNumber();
            if (ySign) {
                yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers
            }

            xRem = xDivMod[0];
            yRem = yDivMod[0];
            result.push(fn(xDigit, yDigit));
        }
        var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0);
        for (var i = result.length - 1; i >= 0; i -= 1) {
            sum = sum.multiply(highestPower2).add(bigInt(result[i]));
        }
        return sum;
    }

    BigInteger.prototype.not = function () {
        return this.negate().prev();
    };
    NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not;

    BigInteger.prototype.and = function (n) {
        return bitwise(this, n, function (a, b) { return a & b; });
    };
    NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and;

    BigInteger.prototype.or = function (n) {
        return bitwise(this, n, function (a, b) { return a | b; });
    };
    NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or;

    BigInteger.prototype.xor = function (n) {
        return bitwise(this, n, function (a, b) { return a ^ b; });
    };
    NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor;

    var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I;
    function roughLOB(n) { // get lowestOneBit (rough)
        // SmallInteger: return Min(lowestOneBit(n), 1 << 30)
        // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7]
        var v = n.value,
            x = typeof v === "number" ? v | LOBMASK_I :
                typeof v === "bigint" ? v | BigInt(LOBMASK_I) :
                    v[0] + v[1] * BASE | LOBMASK_BI;
        return x & -x;
    }

    function integerLogarithm(value, base) {
        if (base.compareTo(value) <= 0) {
            var tmp = integerLogarithm(value, base.square(base));
            var p = tmp.p;
            var e = tmp.e;
            var t = p.multiply(base);
            return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 };
        }
        return { p: bigInt(1), e: 0 };
    }

    BigInteger.prototype.bitLength = function () {
        var n = this;
        if (n.compareTo(bigInt(0)) < 0) {
            n = n.negate().subtract(bigInt(1));
        }
        if (n.compareTo(bigInt(0)) === 0) {
            return bigInt(0);
        }
        return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1));
    }
    NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength;

    function max(a, b) {
        a = parseValue(a);
        b = parseValue(b);
        return a.greater(b) ? a : b;
    }
    function min(a, b) {
        a = parseValue(a);
        b = parseValue(b);
        return a.lesser(b) ? a : b;
    }
    function gcd(a, b) {
        a = parseValue(a).abs();
        b = parseValue(b).abs();
        if (a.equals(b)) return a;
        if (a.isZero()) return b;
        if (b.isZero()) return a;
        var c = Integer[1], d, t;
        while (a.isEven() && b.isEven()) {
            d = min(roughLOB(a), roughLOB(b));
            a = a.divide(d);
            b = b.divide(d);
            c = c.multiply(d);
        }
        while (a.isEven()) {
            a = a.divide(roughLOB(a));
        }
        do {
            while (b.isEven()) {
                b = b.divide(roughLOB(b));
            }
            if (a.greater(b)) {
                t = b; b = a; a = t;
            }
            b = b.subtract(a);
        } while (!b.isZero());
        return c.isUnit() ? a : a.multiply(c);
    }
    function lcm(a, b) {
        a = parseValue(a).abs();
        b = parseValue(b).abs();
        return a.divide(gcd(a, b)).multiply(b);
    }
    function randBetween(a, b, rng) {
        a = parseValue(a);
        b = parseValue(b);
        var usedRNG = rng || Math.random;
        var low = min(a, b), high = max(a, b);
        var range = high.subtract(low).add(1);
        if (range.isSmall) return low.add(Math.floor(usedRNG() * range));
        var digits = toBase(range, BASE).value;
        var result = [], restricted = true;
        for (var i = 0; i < digits.length; i++) {
            var top = restricted ? digits[i] + (i + 1 < digits.length ? digits[i + 1] / BASE : 0) : BASE;
            var digit = truncate(usedRNG() * top);
            result.push(digit);
            if (digit < digits[i]) restricted = false;
        }
        return low.add(Integer.fromArray(result, BASE, false));
    }

    var parseBase = function (text, base, alphabet, caseSensitive) {
        alphabet = alphabet || DEFAULT_ALPHABET;
        text = String(text);
        if (!caseSensitive) {
            text = text.toLowerCase();
            alphabet = alphabet.toLowerCase();
        }
        var length = text.length;
        var i;
        var absBase = Math.abs(base);
        var alphabetValues = {};
        for (i = 0; i < alphabet.length; i++) {
            alphabetValues[alphabet[i]] = i;
        }
        for (i = 0; i < length; i++) {
            var c = text[i];
            if (c === "-") continue;
            if (c in alphabetValues) {
                if (alphabetValues[c] >= absBase) {
                    if (c === "1" && absBase === 1) continue;
                    throw new Error(c + " is not a valid digit in base " + base + ".");
                }
            }
        }
        base = parseValue(base);
        var digits = [];
        var isNegative = text[0] === "-";
        for (i = isNegative ? 1 : 0; i < text.length; i++) {
            var c = text[i];
            if (c in alphabetValues) digits.push(parseValue(alphabetValues[c]));
            else if (c === "<") {
                var start = i;
                do { i++; } while (text[i] !== ">" && i < text.length);
                digits.push(parseValue(text.slice(start + 1, i)));
            }
            else throw new Error(c + " is not a valid character");
        }
        return parseBaseFromArray(digits, base, isNegative);
    };

    function parseBaseFromArray(digits, base, isNegative) {
        var val = Integer[0], pow = Integer[1], i;
        for (i = digits.length - 1; i >= 0; i--) {
            val = val.add(digits[i].times(pow));
            pow = pow.times(base);
        }
        return isNegative ? val.negate() : val;
    }

    function stringify(digit, alphabet) {
        alphabet = alphabet || DEFAULT_ALPHABET;
        if (digit < alphabet.length) {
            return alphabet[digit];
        }
        return "<" + digit + ">";
    }

    function toBase(n, base) {
        base = bigInt(base);
        if (base.isZero()) {
            if (n.isZero()) return { value: [0], isNegative: false };
            throw new Error("Cannot convert nonzero numbers to base 0.");
        }
        if (base.equals(-1)) {
            if (n.isZero()) return { value: [0], isNegative: false };
            if (n.isNegative())
                return {
                    value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber()))
                        .map(Array.prototype.valueOf, [1, 0])
                    ),
                    isNegative: false
                };

            var arr = Array.apply(null, Array(n.toJSNumber() - 1))
                .map(Array.prototype.valueOf, [0, 1]);
            arr.unshift([1]);
            return {
                value: [].concat.apply([], arr),
                isNegative: false
            };
        }

        var neg = false;
        if (n.isNegative() && base.isPositive()) {
            neg = true;
            n = n.abs();
        }
        if (base.isUnit()) {
            if (n.isZero()) return { value: [0], isNegative: false };

            return {
                value: Array.apply(null, Array(n.toJSNumber()))
                    .map(Number.prototype.valueOf, 1),
                isNegative: neg
            };
        }
        var out = [];
        var left = n, divmod;
        while (left.isNegative() || left.compareAbs(base) >= 0) {
            divmod = left.divmod(base);
            left = divmod.quotient;
            var digit = divmod.remainder;
            if (digit.isNegative()) {
                digit = base.minus(digit).abs();
                left = left.next();
            }
            out.push(digit.toJSNumber());
        }
        out.push(left.toJSNumber());
        return { value: out.reverse(), isNegative: neg };
    }

    function toBaseString(n, base, alphabet) {
        var arr = toBase(n, base);
        return (arr.isNegative ? "-" : "") + arr.value.map(function (x) {
            return stringify(x, alphabet);
        }).join('');
    }

    BigInteger.prototype.toArray = function (radix) {
        return toBase(this, radix);
    };

    SmallInteger.prototype.toArray = function (radix) {
        return toBase(this, radix);
    };

    NativeBigInt.prototype.toArray = function (radix) {
        return toBase(this, radix);
    };

    BigInteger.prototype.toString = function (radix, alphabet) {
        if (radix === undefined) radix = 10;
        if (radix !== 10) return toBaseString(this, radix, alphabet);
        var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit;
        while (--l >= 0) {
            digit = String(v[l]);
            str += zeros.slice(digit.length) + digit;
        }
        var sign = this.sign ? "-" : "";
        return sign + str;
    };

    SmallInteger.prototype.toString = function (radix, alphabet) {
        if (radix === undefined) radix = 10;
        if (radix != 10) return toBaseString(this, radix, alphabet);
        return String(this.value);
    };

    NativeBigInt.prototype.toString = SmallInteger.prototype.toString;

    NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); }

    BigInteger.prototype.valueOf = function () {
        return parseInt(this.toString(), 10);
    };
    BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf;

    SmallInteger.prototype.valueOf = function () {
        return this.value;
    };
    SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf;
    NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () {
        return parseInt(this.toString(), 10);
    }

    function parseStringValue(v) {
        if (isPrecise(+v)) {
            var x = +v;
            if (x === truncate(x))
                return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x);
            throw new Error("Invalid integer: " + v);
        }
        var sign = v[0] === "-";
        if (sign) v = v.slice(1);
        var split = v.split(/e/i);
        if (split.length > 2) throw new Error("Invalid integer: " + split.join("e"));
        if (split.length === 2) {
            var exp = split[1];
            if (exp[0] === "+") exp = exp.slice(1);
            exp = +exp;
            if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent.");
            var text = split[0];
            var decimalPlace = text.indexOf(".");
            if (decimalPlace >= 0) {
                exp -= text.length - decimalPlace - 1;
                text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1);
            }
            if (exp < 0) throw new Error("Cannot include negative exponent part for integers");
            text += (new Array(exp + 1)).join("0");
            v = text;
        }
        var isValid = /^([0-9][0-9]*)$/.test(v);
        if (!isValid) throw new Error("Invalid integer: " + v);
        if (supportsNativeBigInt) {
            return new NativeBigInt(BigInt(sign ? "-" + v : v));
        }
        var r = [], max = v.length, l = LOG_BASE, min = max - l;
        while (max > 0) {
            r.push(+v.slice(min, max));
            min -= l;
            if (min < 0) min = 0;
            max -= l;
        }
        trim(r);
        return new BigInteger(r, sign);
    }

    function parseNumberValue(v) {
        if (supportsNativeBigInt) {
            return new NativeBigInt(BigInt(v));
        }
        if (isPrecise(v)) {
            if (v !== truncate(v)) throw new Error(v + " is not an integer.");
            return new SmallInteger(v);
        }
        return parseStringValue(v.toString());
    }

    function parseValue(v) {
        if (typeof v === "number") {
            return parseNumberValue(v);
        }
        if (typeof v === "string") {
            return parseStringValue(v);
        }
        if (typeof v === "bigint") {
            return new NativeBigInt(v);
        }
        return v;
    }
    // Pre-define numbers in range [-999,999]
    for (var i = 0; i < 1000; i++) {
        Integer[i] = parseValue(i);
        if (i > 0) Integer[-i] = parseValue(-i);
    }
    // Backwards compatibility
    Integer.one = Integer[1];
    Integer.zero = Integer[0];
    Integer.minusOne = Integer[-1];
    Integer.max = max;
    Integer.min = min;
    Integer.gcd = gcd;
    Integer.lcm = lcm;
    Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; };
    Integer.randBetween = randBetween;

    Integer.fromArray = function (digits, base, isNegative) {
        return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative);
    };

    return Integer;
})();

// Node.js check
if ( true && module.hasOwnProperty("exports")) {
    module.exports = bigInt;
}

//amd check
if (true) {
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () {
        return bigInt;
    }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
}


/***/ }),

/***/ 44431:
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;;(function (globalObject) {
  'use strict';

/*
 *      bignumber.js v9.0.2
 *      A JavaScript library for arbitrary-precision arithmetic.
 *      https://github.com/MikeMcl/bignumber.js
 *      Copyright (c) 2021 Michael Mclaughlin <M8ch88l@gmail.com>
 *      MIT Licensed.
 *
 *      BigNumber.prototype methods     |  BigNumber methods
 *                                      |
 *      absoluteValue            abs    |  clone
 *      comparedTo                      |  config               set
 *      decimalPlaces            dp     |      DECIMAL_PLACES
 *      dividedBy                div    |      ROUNDING_MODE
 *      dividedToIntegerBy       idiv   |      EXPONENTIAL_AT
 *      exponentiatedBy          pow    |      RANGE
 *      integerValue                    |      CRYPTO
 *      isEqualTo                eq     |      MODULO_MODE
 *      isFinite                        |      POW_PRECISION
 *      isGreaterThan            gt     |      FORMAT
 *      isGreaterThanOrEqualTo   gte    |      ALPHABET
 *      isInteger                       |  isBigNumber
 *      isLessThan               lt     |  maximum              max
 *      isLessThanOrEqualTo      lte    |  minimum              min
 *      isNaN                           |  random
 *      isNegative                      |  sum
 *      isPositive                      |
 *      isZero                          |
 *      minus                           |
 *      modulo                   mod    |
 *      multipliedBy             times  |
 *      negated                         |
 *      plus                            |
 *      precision                sd     |
 *      shiftedBy                       |
 *      squareRoot               sqrt   |
 *      toExponential                   |
 *      toFixed                         |
 *      toFormat                        |
 *      toFraction                      |
 *      toJSON                          |
 *      toNumber                        |
 *      toPrecision                     |
 *      toString                        |
 *      valueOf                         |
 *
 */


  var BigNumber,
    isNumeric = /^-?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?$/i,
    mathceil = Math.ceil,
    mathfloor = Math.floor,

    bignumberError = '[BigNumber Error] ',
    tooManyDigits = bignumberError + 'Number primitive has more than 15 significant digits: ',

    BASE = 1e14,
    LOG_BASE = 14,
    MAX_SAFE_INTEGER = 0x1fffffffffffff,         // 2^53 - 1
    // MAX_INT32 = 0x7fffffff,                   // 2^31 - 1
    POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],
    SQRT_BASE = 1e7,

    // EDITABLE
    // The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP, MAX_EXP, and
    // the arguments to toExponential, toFixed, toFormat, and toPrecision.
    MAX = 1E9;                                   // 0 to MAX_INT32


  /*
   * Create and return a BigNumber constructor.
   */
  function clone(configObject) {
    var div, convertBase, parseNumeric,
      P = BigNumber.prototype = { constructor: BigNumber, toString: null, valueOf: null },
      ONE = new BigNumber(1),


      //----------------------------- EDITABLE CONFIG DEFAULTS -------------------------------


      // The default values below must be integers within the inclusive ranges stated.
      // The values can also be changed at run-time using BigNumber.set.

      // The maximum number of decimal places for operations involving division.
      DECIMAL_PLACES = 20,                     // 0 to MAX

      // The rounding mode used when rounding to the above decimal places, and when using
      // toExponential, toFixed, toFormat and toPrecision, and round (default value).
      // UP         0 Away from zero.
      // DOWN       1 Towards zero.
      // CEIL       2 Towards +Infinity.
      // FLOOR      3 Towards -Infinity.
      // HALF_UP    4 Towards nearest neighbour. If equidistant, up.
      // HALF_DOWN  5 Towards nearest neighbour. If equidistant, down.
      // HALF_EVEN  6 Towards nearest neighbour. If equidistant, towards even neighbour.
      // HALF_CEIL  7 Towards nearest neighbour. If equidistant, towards +Infinity.
      // HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.
      ROUNDING_MODE = 4,                       // 0 to 8

      // EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS]

      // The exponent value at and beneath which toString returns exponential notation.
      // Number type: -7
      TO_EXP_NEG = -7,                         // 0 to -MAX

      // The exponent value at and above which toString returns exponential notation.
      // Number type: 21
      TO_EXP_POS = 21,                         // 0 to MAX

      // RANGE : [MIN_EXP, MAX_EXP]

      // The minimum exponent value, beneath which underflow to zero occurs.
      // Number type: -324  (5e-324)
      MIN_EXP = -1e7,                          // -1 to -MAX

      // The maximum exponent value, above which overflow to Infinity occurs.
      // Number type:  308  (1.7976931348623157e+308)
      // For MAX_EXP > 1e7, e.g. new BigNumber('1e100000000').plus(1) may be slow.
      MAX_EXP = 1e7,                           // 1 to MAX

      // Whether to use cryptographically-secure random number generation, if available.
      CRYPTO = false,                          // true or false

      // The modulo mode used when calculating the modulus: a mod n.
      // The quotient (q = a / n) is calculated according to the corresponding rounding mode.
      // The remainder (r) is calculated as: r = a - n * q.
      //
      // UP        0 The remainder is positive if the dividend is negative, else is negative.
      // DOWN      1 The remainder has the same sign as the dividend.
      //             This modulo mode is commonly known as 'truncated division' and is
      //             equivalent to (a % n) in JavaScript.
      // FLOOR     3 The remainder has the same sign as the divisor (Python %).
      // HALF_EVEN 6 This modulo mode implements the IEEE 754 remainder function.
      // EUCLID    9 Euclidian division. q = sign(n) * floor(a / abs(n)).
      //             The remainder is always positive.
      //
      // The truncated division, floored division, Euclidian division and IEEE 754 remainder
      // modes are commonly used for the modulus operation.
      // Although the other rounding modes can also be used, they may not give useful results.
      MODULO_MODE = 1,                         // 0 to 9

      // The maximum number of significant digits of the result of the exponentiatedBy operation.
      // If POW_PRECISION is 0, there will be unlimited significant digits.
      POW_PRECISION = 0,                       // 0 to MAX

      // The format specification used by the BigNumber.prototype.toFormat method.
      FORMAT = {
        prefix: '',
        groupSize: 3,
        secondaryGroupSize: 0,
        groupSeparator: ',',
        decimalSeparator: '.',
        fractionGroupSize: 0,
        fractionGroupSeparator: '\xA0',        // non-breaking space
        suffix: ''
      },

      // The alphabet used for base conversion. It must be at least 2 characters long, with no '+',
      // '-', '.', whitespace, or repeated character.
      // '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_'
      ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyz',
      alphabetHasNormalDecimalDigits = true;


    //------------------------------------------------------------------------------------------


    // CONSTRUCTOR


    /*
     * The BigNumber constructor and exported function.
     * Create and return a new instance of a BigNumber object.
     *
     * v {number|string|BigNumber} A numeric value.
     * [b] {number} The base of v. Integer, 2 to ALPHABET.length inclusive.
     */
    function BigNumber(v, b) {
      var alphabet, c, caseChanged, e, i, isNum, len, str,
        x = this;

      // Enable constructor call without `new`.
      if (!(x instanceof BigNumber)) return new BigNumber(v, b);

      if (b == null) {

        if (v && v._isBigNumber === true) {
          x.s = v.s;

          if (!v.c || v.e > MAX_EXP) {
            x.c = x.e = null;
          } else if (v.e < MIN_EXP) {
            x.c = [x.e = 0];
          } else {
            x.e = v.e;
            x.c = v.c.slice();
          }

          return;
        }

        if ((isNum = typeof v == 'number') && v * 0 == 0) {

          // Use `1 / n` to handle minus zero also.
          x.s = 1 / v < 0 ? (v = -v, -1) : 1;

          // Fast path for integers, where n < 2147483648 (2**31).
          if (v === ~~v) {
            for (e = 0, i = v; i >= 10; i /= 10, e++);

            if (e > MAX_EXP) {
              x.c = x.e = null;
            } else {
              x.e = e;
              x.c = [v];
            }

            return;
          }

          str = String(v);
        } else {

          if (!isNumeric.test(str = String(v))) return parseNumeric(x, str, isNum);

          x.s = str.charCodeAt(0) == 45 ? (str = str.slice(1), -1) : 1;
        }

        // Decimal point?
        if ((e = str.indexOf('.')) > -1) str = str.replace('.', '');

        // Exponential form?
        if ((i = str.search(/e/i)) > 0) {

          // Determine exponent.
          if (e < 0) e = i;
          e += +str.slice(i + 1);
          str = str.substring(0, i);
        } else if (e < 0) {

          // Integer.
          e = str.length;
        }

      } else {

        // '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}'
        intCheck(b, 2, ALPHABET.length, 'Base');

        // Allow exponential notation to be used with base 10 argument, while
        // also rounding to DECIMAL_PLACES as with other bases.
        if (b == 10 && alphabetHasNormalDecimalDigits) {
          x = new BigNumber(v);
          return round(x, DECIMAL_PLACES + x.e + 1, ROUNDING_MODE);
        }

        str = String(v);

        if (isNum = typeof v == 'number') {

          // Avoid potential interpretation of Infinity and NaN as base 44+ values.
          if (v * 0 != 0) return parseNumeric(x, str, isNum, b);

          x.s = 1 / v < 0 ? (str = str.slice(1), -1) : 1;

          // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}'
          if (BigNumber.DEBUG && str.replace(/^0\.0*|\./, '').length > 15) {
            throw Error
             (tooManyDigits + v);
          }
        } else {
          x.s = str.charCodeAt(0) === 45 ? (str = str.slice(1), -1) : 1;
        }

        alphabet = ALPHABET.slice(0, b);
        e = i = 0;

        // Check that str is a valid base b number.
        // Don't use RegExp, so alphabet can contain special characters.
        for (len = str.length; i < len; i++) {
          if (alphabet.indexOf(c = str.charAt(i)) < 0) {
            if (c == '.') {

              // If '.' is not the first character and it has not be found before.
              if (i > e) {
                e = len;
                continue;
              }
            } else if (!caseChanged) {

              // Allow e.g. hexadecimal 'FF' as well as 'ff'.
              if (str == str.toUpperCase() && (str = str.toLowerCase()) ||
                  str == str.toLowerCase() && (str = str.toUpperCase())) {
                caseChanged = true;
                i = -1;
                e = 0;
                continue;
              }
            }

            return parseNumeric(x, String(v), isNum, b);
          }
        }

        // Prevent later check for length on converted number.
        isNum = false;
        str = convertBase(str, b, 10, x.s);

        // Decimal point?
        if ((e = str.indexOf('.')) > -1) str = str.replace('.', '');
        else e = str.length;
      }

      // Determine leading zeros.
      for (i = 0; str.charCodeAt(i) === 48; i++);

      // Determine trailing zeros.
      for (len = str.length; str.charCodeAt(--len) === 48;);

      if (str = str.slice(i, ++len)) {
        len -= i;

        // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}'
        if (isNum && BigNumber.DEBUG &&
          len > 15 && (v > MAX_SAFE_INTEGER || v !== mathfloor(v))) {
            throw Error
             (tooManyDigits + (x.s * v));
        }

         // Overflow?
        if ((e = e - i - 1) > MAX_EXP) {

          // Infinity.
          x.c = x.e = null;

        // Underflow?
        } else if (e < MIN_EXP) {

          // Zero.
          x.c = [x.e = 0];
        } else {
          x.e = e;
          x.c = [];

          // Transform base

          // e is the base 10 exponent.
          // i is where to slice str to get the first element of the coefficient array.
          i = (e + 1) % LOG_BASE;
          if (e < 0) i += LOG_BASE;  // i < 1

          if (i < len) {
            if (i) x.c.push(+str.slice(0, i));

            for (len -= LOG_BASE; i < len;) {
              x.c.push(+str.slice(i, i += LOG_BASE));
            }

            i = LOG_BASE - (str = str.slice(i)).length;
          } else {
            i -= len;
          }

          for (; i--; str += '0');
          x.c.push(+str);
        }
      } else {

        // Zero.
        x.c = [x.e = 0];
      }
    }


    // CONSTRUCTOR PROPERTIES


    BigNumber.clone = clone;

    BigNumber.ROUND_UP = 0;
    BigNumber.ROUND_DOWN = 1;
    BigNumber.ROUND_CEIL = 2;
    BigNumber.ROUND_FLOOR = 3;
    BigNumber.ROUND_HALF_UP = 4;
    BigNumber.ROUND_HALF_DOWN = 5;
    BigNumber.ROUND_HALF_EVEN = 6;
    BigNumber.ROUND_HALF_CEIL = 7;
    BigNumber.ROUND_HALF_FLOOR = 8;
    BigNumber.EUCLID = 9;


    /*
     * Configure infrequently-changing library-wide settings.
     *
     * Accept an object with the following optional properties (if the value of a property is
     * a number, it must be an integer within the inclusive range stated):
     *
     *   DECIMAL_PLACES   {number}           0 to MAX
     *   ROUNDING_MODE    {number}           0 to 8
     *   EXPONENTIAL_AT   {number|number[]}  -MAX to MAX  or  [-MAX to 0, 0 to MAX]
     *   RANGE            {number|number[]}  -MAX to MAX (not zero)  or  [-MAX to -1, 1 to MAX]
     *   CRYPTO           {boolean}          true or false
     *   MODULO_MODE      {number}           0 to 9
     *   POW_PRECISION       {number}           0 to MAX
     *   ALPHABET         {string}           A string of two or more unique characters which does
     *                                       not contain '.'.
     *   FORMAT           {object}           An object with some of the following properties:
     *     prefix                 {string}
     *     groupSize              {number}
     *     secondaryGroupSize     {number}
     *     groupSeparator         {string}
     *     decimalSeparator       {string}
     *     fractionGroupSize      {number}
     *     fractionGroupSeparator {string}
     *     suffix                 {string}
     *
     * (The values assigned to the above FORMAT object properties are not checked for validity.)
     *
     * E.g.
     * BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 })
     *
     * Ignore properties/parameters set to null or undefined, except for ALPHABET.
     *
     * Return an object with the properties current values.
     */
    BigNumber.config = BigNumber.set = function (obj) {
      var p, v;

      if (obj != null) {

        if (typeof obj == 'object') {

          // DECIMAL_PLACES {number} Integer, 0 to MAX inclusive.
          // '[BigNumber Error] DECIMAL_PLACES {not a primitive number|not an integer|out of range}: {v}'
          if (obj.hasOwnProperty(p = 'DECIMAL_PLACES')) {
            v = obj[p];
            intCheck(v, 0, MAX, p);
            DECIMAL_PLACES = v;
          }

          // ROUNDING_MODE {number} Integer, 0 to 8 inclusive.
          // '[BigNumber Error] ROUNDING_MODE {not a primitive number|not an integer|out of range}: {v}'
          if (obj.hasOwnProperty(p = 'ROUNDING_MODE')) {
            v = obj[p];
            intCheck(v, 0, 8, p);
            ROUNDING_MODE = v;
          }

          // EXPONENTIAL_AT {number|number[]}
          // Integer, -MAX to MAX inclusive or
          // [integer -MAX to 0 inclusive, 0 to MAX inclusive].
          // '[BigNumber Error] EXPONENTIAL_AT {not a primitive number|not an integer|out of range}: {v}'
          if (obj.hasOwnProperty(p = 'EXPONENTIAL_AT')) {
            v = obj[p];
            if (v && v.pop) {
              intCheck(v[0], -MAX, 0, p);
              intCheck(v[1], 0, MAX, p);
              TO_EXP_NEG = v[0];
              TO_EXP_POS = v[1];
            } else {
              intCheck(v, -MAX, MAX, p);
              TO_EXP_NEG = -(TO_EXP_POS = v < 0 ? -v : v);
            }
          }

          // RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or
          // [integer -MAX to -1 inclusive, integer 1 to MAX inclusive].
          // '[BigNumber Error] RANGE {not a primitive number|not an integer|out of range|cannot be zero}: {v}'
          if (obj.hasOwnProperty(p = 'RANGE')) {
            v = obj[p];
            if (v && v.pop) {
              intCheck(v[0], -MAX, -1, p);
              intCheck(v[1], 1, MAX, p);
              MIN_EXP = v[0];
              MAX_EXP = v[1];
            } else {
              intCheck(v, -MAX, MAX, p);
              if (v) {
                MIN_EXP = -(MAX_EXP = v < 0 ? -v : v);
              } else {
                throw Error
                 (bignumberError + p + ' cannot be zero: ' + v);
              }
            }
          }

          // CRYPTO {boolean} true or false.
          // '[BigNumber Error] CRYPTO not true or false: {v}'
          // '[BigNumber Error] crypto unavailable'
          if (obj.hasOwnProperty(p = 'CRYPTO')) {
            v = obj[p];
            if (v === !!v) {
              if (v) {
                if (typeof crypto != 'undefined' && crypto &&
                 (crypto.getRandomValues || crypto.randomBytes)) {
                  CRYPTO = v;
                } else {
                  CRYPTO = !v;
                  throw Error
                   (bignumberError + 'crypto unavailable');
                }
              } else {
                CRYPTO = v;
              }
            } else {
              throw Error
               (bignumberError + p + ' not true or false: ' + v);
            }
          }

          // MODULO_MODE {number} Integer, 0 to 9 inclusive.
          // '[BigNumber Error] MODULO_MODE {not a primitive number|not an integer|out of range}: {v}'
          if (obj.hasOwnProperty(p = 'MODULO_MODE')) {
            v = obj[p];
            intCheck(v, 0, 9, p);
            MODULO_MODE = v;
          }

          // POW_PRECISION {number} Integer, 0 to MAX inclusive.
          // '[BigNumber Error] POW_PRECISION {not a primitive number|not an integer|out of range}: {v}'
          if (obj.hasOwnProperty(p = 'POW_PRECISION')) {
            v = obj[p];
            intCheck(v, 0, MAX, p);
            POW_PRECISION = v;
          }

          // FORMAT {object}
          // '[BigNumber Error] FORMAT not an object: {v}'
          if (obj.hasOwnProperty(p = 'FORMAT')) {
            v = obj[p];
            if (typeof v == 'object') FORMAT = v;
            else throw Error
             (bignumberError + p + ' not an object: ' + v);
          }

          // ALPHABET {string}
          // '[BigNumber Error] ALPHABET invalid: {v}'
          if (obj.hasOwnProperty(p = 'ALPHABET')) {
            v = obj[p];

            // Disallow if less than two characters,
            // or if it contains '+', '-', '.', whitespace, or a repeated character.
            if (typeof v == 'string' && !/^.?$|[+\-.\s]|(.).*\1/.test(v)) {
              alphabetHasNormalDecimalDigits = v.slice(0, 10) == '0123456789';
              ALPHABET = v;
            } else {
              throw Error
               (bignumberError + p + ' invalid: ' + v);
            }
          }

        } else {

          // '[BigNumber Error] Object expected: {v}'
          throw Error
           (bignumberError + 'Object expected: ' + obj);
        }
      }

      return {
        DECIMAL_PLACES: DECIMAL_PLACES,
        ROUNDING_MODE: ROUNDING_MODE,
        EXPONENTIAL_AT: [TO_EXP_NEG, TO_EXP_POS],
        RANGE: [MIN_EXP, MAX_EXP],
        CRYPTO: CRYPTO,
        MODULO_MODE: MODULO_MODE,
        POW_PRECISION: POW_PRECISION,
        FORMAT: FORMAT,
        ALPHABET: ALPHABET
      };
    };


    /*
     * Return true if v is a BigNumber instance, otherwise return false.
     *
     * If BigNumber.DEBUG is true, throw if a BigNumber instance is not well-formed.
     *
     * v {any}
     *
     * '[BigNumber Error] Invalid BigNumber: {v}'
     */
    BigNumber.isBigNumber = function (v) {
      if (!v || v._isBigNumber !== true) return false;
      if (!BigNumber.DEBUG) return true;

      var i, n,
        c = v.c,
        e = v.e,
        s = v.s;

      out: if ({}.toString.call(c) == '[object Array]') {

        if ((s === 1 || s === -1) && e >= -MAX && e <= MAX && e === mathfloor(e)) {

          // If the first element is zero, the BigNumber value must be zero.
          if (c[0] === 0) {
            if (e === 0 && c.length === 1) return true;
            break out;
          }

          // Calculate number of digits that c[0] should have, based on the exponent.
          i = (e + 1) % LOG_BASE;
          if (i < 1) i += LOG_BASE;

          // Calculate number of digits of c[0].
          //if (Math.ceil(Math.log(c[0] + 1) / Math.LN10) == i) {
          if (String(c[0]).length == i) {

            for (i = 0; i < c.length; i++) {
              n = c[i];
              if (n < 0 || n >= BASE || n !== mathfloor(n)) break out;
            }

            // Last element cannot be zero, unless it is the only element.
            if (n !== 0) return true;
          }
        }

      // Infinity/NaN
      } else if (c === null && e === null && (s === null || s === 1 || s === -1)) {
        return true;
      }

      throw Error
        (bignumberError + 'Invalid BigNumber: ' + v);
    };


    /*
     * Return a new BigNumber whose value is the maximum of the arguments.
     *
     * arguments {number|string|BigNumber}
     */
    BigNumber.maximum = BigNumber.max = function () {
      return maxOrMin(arguments, P.lt);
    };


    /*
     * Return a new BigNumber whose value is the minimum of the arguments.
     *
     * arguments {number|string|BigNumber}
     */
    BigNumber.minimum = BigNumber.min = function () {
      return maxOrMin(arguments, P.gt);
    };


    /*
     * Return a new BigNumber with a random value equal to or greater than 0 and less than 1,
     * and with dp, or DECIMAL_PLACES if dp is omitted, decimal places (or less if trailing
     * zeros are produced).
     *
     * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp}'
     * '[BigNumber Error] crypto unavailable'
     */
    BigNumber.random = (function () {
      var pow2_53 = 0x20000000000000;

      // Return a 53 bit integer n, where 0 <= n < 9007199254740992.
      // Check if Math.random() produces more than 32 bits of randomness.
      // If it does, assume at least 53 bits are produced, otherwise assume at least 30 bits.
      // 0x40000000 is 2^30, 0x800000 is 2^23, 0x1fffff is 2^21 - 1.
      var random53bitInt = (Math.random() * pow2_53) & 0x1fffff
       ? function () { return mathfloor(Math.random() * pow2_53); }
       : function () { return ((Math.random() * 0x40000000 | 0) * 0x800000) +
         (Math.random() * 0x800000 | 0); };

      return function (dp) {
        var a, b, e, k, v,
          i = 0,
          c = [],
          rand = new BigNumber(ONE);

        if (dp == null) dp = DECIMAL_PLACES;
        else intCheck(dp, 0, MAX);

        k = mathceil(dp / LOG_BASE);

        if (CRYPTO) {

          // Browsers supporting crypto.getRandomValues.
          if (crypto.getRandomValues) {

            a = crypto.getRandomValues(new Uint32Array(k *= 2));

            for (; i < k;) {

              // 53 bits:
              // ((Math.pow(2, 32) - 1) * Math.pow(2, 21)).toString(2)
              // 11111 11111111 11111111 11111111 11100000 00000000 00000000
              // ((Math.pow(2, 32) - 1) >>> 11).toString(2)
              //                                     11111 11111111 11111111
              // 0x20000 is 2^21.
              v = a[i] * 0x20000 + (a[i + 1] >>> 11);

              // Rejection sampling:
              // 0 <= v < 9007199254740992
              // Probability that v >= 9e15, is
              // 7199254740992 / 9007199254740992 ~= 0.0008, i.e. 1 in 1251
              if (v >= 9e15) {
                b = crypto.getRandomValues(new Uint32Array(2));
                a[i] = b[0];
                a[i + 1] = b[1];
              } else {

                // 0 <= v <= 8999999999999999
                // 0 <= (v % 1e14) <= 99999999999999
                c.push(v % 1e14);
                i += 2;
              }
            }
            i = k / 2;

          // Node.js supporting crypto.randomBytes.
          } else if (crypto.randomBytes) {

            // buffer
            a = crypto.randomBytes(k *= 7);

            for (; i < k;) {

              // 0x1000000000000 is 2^48, 0x10000000000 is 2^40
              // 0x100000000 is 2^32, 0x1000000 is 2^24
              // 11111 11111111 11111111 11111111 11111111 11111111 11111111
              // 0 <= v < 9007199254740992
              v = ((a[i] & 31) * 0x1000000000000) + (a[i + 1] * 0x10000000000) +
                 (a[i + 2] * 0x100000000) + (a[i + 3] * 0x1000000) +
                 (a[i + 4] << 16) + (a[i + 5] << 8) + a[i + 6];

              if (v >= 9e15) {
                crypto.randomBytes(7).copy(a, i);
              } else {

                // 0 <= (v % 1e14) <= 99999999999999
                c.push(v % 1e14);
                i += 7;
              }
            }
            i = k / 7;
          } else {
            CRYPTO = false;
            throw Error
             (bignumberError + 'crypto unavailable');
          }
        }

        // Use Math.random.
        if (!CRYPTO) {

          for (; i < k;) {
            v = random53bitInt();
            if (v < 9e15) c[i++] = v % 1e14;
          }
        }

        k = c[--i];
        dp %= LOG_BASE;

        // Convert trailing digits to zeros according to dp.
        if (k && dp) {
          v = POWS_TEN[LOG_BASE - dp];
          c[i] = mathfloor(k / v) * v;
        }

        // Remove trailing elements which are zero.
        for (; c[i] === 0; c.pop(), i--);

        // Zero?
        if (i < 0) {
          c = [e = 0];
        } else {

          // Remove leading elements which are zero and adjust exponent accordingly.
          for (e = -1 ; c[0] === 0; c.splice(0, 1), e -= LOG_BASE);

          // Count the digits of the first element of c to determine leading zeros, and...
          for (i = 1, v = c[0]; v >= 10; v /= 10, i++);

          // adjust the exponent accordingly.
          if (i < LOG_BASE) e -= LOG_BASE - i;
        }

        rand.e = e;
        rand.c = c;
        return rand;
      };
    })();


    /*
     * Return a BigNumber whose value is the sum of the arguments.
     *
     * arguments {number|string|BigNumber}
     */
    BigNumber.sum = function () {
      var i = 1,
        args = arguments,
        sum = new BigNumber(args[0]);
      for (; i < args.length;) sum = sum.plus(args[i++]);
      return sum;
    };


    // PRIVATE FUNCTIONS


    // Called by BigNumber and BigNumber.prototype.toString.
    convertBase = (function () {
      var decimal = '0123456789';

      /*
       * Convert string of baseIn to an array of numbers of baseOut.
       * Eg. toBaseOut('255', 10, 16) returns [15, 15].
       * Eg. toBaseOut('ff', 16, 10) returns [2, 5, 5].
       */
      function toBaseOut(str, baseIn, baseOut, alphabet) {
        var j,
          arr = [0],
          arrL,
          i = 0,
          len = str.length;

        for (; i < len;) {
          for (arrL = arr.length; arrL--; arr[arrL] *= baseIn);

          arr[0] += alphabet.indexOf(str.charAt(i++));

          for (j = 0; j < arr.length; j++) {

            if (arr[j] > baseOut - 1) {
              if (arr[j + 1] == null) arr[j + 1] = 0;
              arr[j + 1] += arr[j] / baseOut | 0;
              arr[j] %= baseOut;
            }
          }
        }

        return arr.reverse();
      }

      // Convert a numeric string of baseIn to a numeric string of baseOut.
      // If the caller is toString, we are converting from base 10 to baseOut.
      // If the caller is BigNumber, we are converting from baseIn to base 10.
      return function (str, baseIn, baseOut, sign, callerIsToString) {
        var alphabet, d, e, k, r, x, xc, y,
          i = str.indexOf('.'),
          dp = DECIMAL_PLACES,
          rm = ROUNDING_MODE;

        // Non-integer.
        if (i >= 0) {
          k = POW_PRECISION;

          // Unlimited precision.
          POW_PRECISION = 0;
          str = str.replace('.', '');
          y = new BigNumber(baseIn);
          x = y.pow(str.length - i);
          POW_PRECISION = k;

          // Convert str as if an integer, then restore the fraction part by dividing the
          // result by its base raised to a power.

          y.c = toBaseOut(toFixedPoint(coeffToString(x.c), x.e, '0'),
           10, baseOut, decimal);
          y.e = y.c.length;
        }

        // Convert the number as integer.

        xc = toBaseOut(str, baseIn, baseOut, callerIsToString
         ? (alphabet = ALPHABET, decimal)
         : (alphabet = decimal, ALPHABET));

        // xc now represents str as an integer and converted to baseOut. e is the exponent.
        e = k = xc.length;

        // Remove trailing zeros.
        for (; xc[--k] == 0; xc.pop());

        // Zero?
        if (!xc[0]) return alphabet.charAt(0);

        // Does str represent an integer? If so, no need for the division.
        if (i < 0) {
          --e;
        } else {
          x.c = xc;
          x.e = e;

          // The sign is needed for correct rounding.
          x.s = sign;
          x = div(x, y, dp, rm, baseOut);
          xc = x.c;
          r = x.r;
          e = x.e;
        }

        // xc now represents str converted to baseOut.

        // THe index of the rounding digit.
        d = e + dp + 1;

        // The rounding digit: the digit to the right of the digit that may be rounded up.
        i = xc[d];

        // Look at the rounding digits and mode to determine whether to round up.

        k = baseOut / 2;
        r = r || d < 0 || xc[d + 1] != null;

        r = rm < 4 ? (i != null || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2))
              : i > k || i == k &&(rm == 4 || r || rm == 6 && xc[d - 1] & 1 ||
               rm == (x.s < 0 ? 8 : 7));

        // If the index of the rounding digit is not greater than zero, or xc represents
        // zero, then the result of the base conversion is zero or, if rounding up, a value
        // such as 0.00001.
        if (d < 1 || !xc[0]) {

          // 1^-dp or 0
          str = r ? toFixedPoint(alphabet.charAt(1), -dp, alphabet.charAt(0)) : alphabet.charAt(0);
        } else {

          // Truncate xc to the required number of decimal places.
          xc.length = d;

          // Round up?
          if (r) {

            // Rounding up may mean the previous digit has to be rounded up and so on.
            for (--baseOut; ++xc[--d] > baseOut;) {
              xc[d] = 0;

              if (!d) {
                ++e;
                xc = [1].concat(xc);
              }
            }
          }

          // Determine trailing zeros.
          for (k = xc.length; !xc[--k];);

          // E.g. [4, 11, 15] becomes 4bf.
          for (i = 0, str = ''; i <= k; str += alphabet.charAt(xc[i++]));

          // Add leading zeros, decimal point and trailing zeros as required.
          str = toFixedPoint(str, e, alphabet.charAt(0));
        }

        // The caller will add the sign.
        return str;
      };
    })();


    // Perform division in the specified base. Called by div and convertBase.
    div = (function () {

      // Assume non-zero x and k.
      function multiply(x, k, base) {
        var m, temp, xlo, xhi,
          carry = 0,
          i = x.length,
          klo = k % SQRT_BASE,
          khi = k / SQRT_BASE | 0;

        for (x = x.slice(); i--;) {
          xlo = x[i] % SQRT_BASE;
          xhi = x[i] / SQRT_BASE | 0;
          m = khi * xlo + xhi * klo;
          temp = klo * xlo + ((m % SQRT_BASE) * SQRT_BASE) + carry;
          carry = (temp / base | 0) + (m / SQRT_BASE | 0) + khi * xhi;
          x[i] = temp % base;
        }

        if (carry) x = [carry].concat(x);

        return x;
      }

      function compare(a, b, aL, bL) {
        var i, cmp;

        if (aL != bL) {
          cmp = aL > bL ? 1 : -1;
        } else {

          for (i = cmp = 0; i < aL; i++) {

            if (a[i] != b[i]) {
              cmp = a[i] > b[i] ? 1 : -1;
              break;
            }
          }
        }

        return cmp;
      }

      function subtract(a, b, aL, base) {
        var i = 0;

        // Subtract b from a.
        for (; aL--;) {
          a[aL] -= i;
          i = a[aL] < b[aL] ? 1 : 0;
          a[aL] = i * base + a[aL] - b[aL];
        }

        // Remove leading zeros.
        for (; !a[0] && a.length > 1; a.splice(0, 1));
      }

      // x: dividend, y: divisor.
      return function (x, y, dp, rm, base) {
        var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0,
          yL, yz,
          s = x.s == y.s ? 1 : -1,
          xc = x.c,
          yc = y.c;

        // Either NaN, Infinity or 0?
        if (!xc || !xc[0] || !yc || !yc[0]) {

          return new BigNumber(

           // Return NaN if either NaN, or both Infinity or 0.
           !x.s || !y.s || (xc ? yc && xc[0] == yc[0] : !yc) ? NaN :

            // Return ±0 if x is ±0 or y is ±Infinity, or return ±Infinity as y is ±0.
            xc && xc[0] == 0 || !yc ? s * 0 : s / 0
         );
        }

        q = new BigNumber(s);
        qc = q.c = [];
        e = x.e - y.e;
        s = dp + e + 1;

        if (!base) {
          base = BASE;
          e = bitFloor(x.e / LOG_BASE) - bitFloor(y.e / LOG_BASE);
          s = s / LOG_BASE | 0;
        }

        // Result exponent may be one less then the current value of e.
        // The coefficients of the BigNumbers from convertBase may have trailing zeros.
        for (i = 0; yc[i] == (xc[i] || 0); i++);

        if (yc[i] > (xc[i] || 0)) e--;

        if (s < 0) {
          qc.push(1);
          more = true;
        } else {
          xL = xc.length;
          yL = yc.length;
          i = 0;
          s += 2;

          // Normalise xc and yc so highest order digit of yc is >= base / 2.

          n = mathfloor(base / (yc[0] + 1));

          // Not necessary, but to handle odd bases where yc[0] == (base / 2) - 1.
          // if (n > 1 || n++ == 1 && yc[0] < base / 2) {
          if (n > 1) {
            yc = multiply(yc, n, base);
            xc = multiply(xc, n, base);
            yL = yc.length;
            xL = xc.length;
          }

          xi = yL;
          rem = xc.slice(0, yL);
          remL = rem.length;

          // Add zeros to make remainder as long as divisor.
          for (; remL < yL; rem[remL++] = 0);
          yz = yc.slice();
          yz = [0].concat(yz);
          yc0 = yc[0];
          if (yc[1] >= base / 2) yc0++;
          // Not necessary, but to prevent trial digit n > base, when using base 3.
          // else if (base == 3 && yc0 == 1) yc0 = 1 + 1e-15;

          do {
            n = 0;

            // Compare divisor and remainder.
            cmp = compare(yc, rem, yL, remL);

            // If divisor < remainder.
            if (cmp < 0) {

              // Calculate trial digit, n.

              rem0 = rem[0];
              if (yL != remL) rem0 = rem0 * base + (rem[1] || 0);

              // n is how many times the divisor goes into the current remainder.
              n = mathfloor(rem0 / yc0);

              //  Algorithm:
              //  product = divisor multiplied by trial digit (n).
              //  Compare product and remainder.
              //  If product is greater than remainder:
              //    Subtract divisor from product, decrement trial digit.
              //  Subtract product from remainder.
              //  If product was less than remainder at the last compare:
              //    Compare new remainder and divisor.
              //    If remainder is greater than divisor:
              //      Subtract divisor from remainder, increment trial digit.

              if (n > 1) {

                // n may be > base only when base is 3.
                if (n >= base) n = base - 1;

                // product = divisor * trial digit.
                prod = multiply(yc, n, base);
                prodL = prod.length;
                remL = rem.length;

                // Compare product and remainder.
                // If product > remainder then trial digit n too high.
                // n is 1 too high about 5% of the time, and is not known to have
                // ever been more than 1 too high.
                while (compare(prod, rem, prodL, remL) == 1) {
                  n--;

                  // Subtract divisor from product.
                  subtract(prod, yL < prodL ? yz : yc, prodL, base);
                  prodL = prod.length;
                  cmp = 1;
                }
              } else {

                // n is 0 or 1, cmp is -1.
                // If n is 0, there is no need to compare yc and rem again below,
                // so change cmp to 1 to avoid it.
                // If n is 1, leave cmp as -1, so yc and rem are compared again.
                if (n == 0) {

                  // divisor < remainder, so n must be at least 1.
                  cmp = n = 1;
                }

                // product = divisor
                prod = yc.slice();
                prodL = prod.length;
              }

              if (prodL < remL) prod = [0].concat(prod);

              // Subtract product from remainder.
              subtract(rem, prod, remL, base);
              remL = rem.length;

               // If product was < remainder.
              if (cmp == -1) {

                // Compare divisor and new remainder.
                // If divisor < new remainder, subtract divisor from remainder.
                // Trial digit n too low.
                // n is 1 too low about 5% of the time, and very rarely 2 too low.
                while (compare(yc, rem, yL, remL) < 1) {
                  n++;

                  // Subtract divisor from remainder.
                  subtract(rem, yL < remL ? yz : yc, remL, base);
                  remL = rem.length;
                }
              }
            } else if (cmp === 0) {
              n++;
              rem = [0];
            } // else cmp === 1 and n will be 0

            // Add the next digit, n, to the result array.
            qc[i++] = n;

            // Update the remainder.
            if (rem[0]) {
              rem[remL++] = xc[xi] || 0;
            } else {
              rem = [xc[xi]];
              remL = 1;
            }
          } while ((xi++ < xL || rem[0] != null) && s--);

          more = rem[0] != null;

          // Leading zero?
          if (!qc[0]) qc.splice(0, 1);
        }

        if (base == BASE) {

          // To calculate q.e, first get the number of digits of qc[0].
          for (i = 1, s = qc[0]; s >= 10; s /= 10, i++);

          round(q, dp + (q.e = i + e * LOG_BASE - 1) + 1, rm, more);

        // Caller is convertBase.
        } else {
          q.e = e;
          q.r = +more;
        }

        return q;
      };
    })();


    /*
     * Return a string representing the value of BigNumber n in fixed-point or exponential
     * notation rounded to the specified decimal places or significant digits.
     *
     * n: a BigNumber.
     * i: the index of the last digit required (i.e. the digit that may be rounded up).
     * rm: the rounding mode.
     * id: 1 (toExponential) or 2 (toPrecision).
     */
    function format(n, i, rm, id) {
      var c0, e, ne, len, str;

      if (rm == null) rm = ROUNDING_MODE;
      else intCheck(rm, 0, 8);

      if (!n.c) return n.toString();

      c0 = n.c[0];
      ne = n.e;

      if (i == null) {
        str = coeffToString(n.c);
        str = id == 1 || id == 2 && (ne <= TO_EXP_NEG || ne >= TO_EXP_POS)
         ? toExponential(str, ne)
         : toFixedPoint(str, ne, '0');
      } else {
        n = round(new BigNumber(n), i, rm);

        // n.e may have changed if the value was rounded up.
        e = n.e;

        str = coeffToString(n.c);
        len = str.length;

        // toPrecision returns exponential notation if the number of significant digits
        // specified is less than the number of digits necessary to represent the integer
        // part of the value in fixed-point notation.

        // Exponential notation.
        if (id == 1 || id == 2 && (i <= e || e <= TO_EXP_NEG)) {

          // Append zeros?
          for (; len < i; str += '0', len++);
          str = toExponential(str, e);

        // Fixed-point notation.
        } else {
          i -= ne;
          str = toFixedPoint(str, e, '0');

          // Append zeros?
          if (e + 1 > len) {
            if (--i > 0) for (str += '.'; i--; str += '0');
          } else {
            i += e - len;
            if (i > 0) {
              if (e + 1 == len) str += '.';
              for (; i--; str += '0');
            }
          }
        }
      }

      return n.s < 0 && c0 ? '-' + str : str;
    }


    // Handle BigNumber.max and BigNumber.min.
    function maxOrMin(args, method) {
      var n,
        i = 1,
        m = new BigNumber(args[0]);

      for (; i < args.length; i++) {
        n = new BigNumber(args[i]);

        // If any number is NaN, return NaN.
        if (!n.s) {
          m = n;
          break;
        } else if (method.call(m, n)) {
          m = n;
        }
      }

      return m;
    }


    /*
     * Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP.
     * Called by minus, plus and times.
     */
    function normalise(n, c, e) {
      var i = 1,
        j = c.length;

       // Remove trailing zeros.
      for (; !c[--j]; c.pop());

      // Calculate the base 10 exponent. First get the number of digits of c[0].
      for (j = c[0]; j >= 10; j /= 10, i++);

      // Overflow?
      if ((e = i + e * LOG_BASE - 1) > MAX_EXP) {

        // Infinity.
        n.c = n.e = null;

      // Underflow?
      } else if (e < MIN_EXP) {

        // Zero.
        n.c = [n.e = 0];
      } else {
        n.e = e;
        n.c = c;
      }

      return n;
    }


    // Handle values that fail the validity test in BigNumber.
    parseNumeric = (function () {
      var basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i,
        dotAfter = /^([^.]+)\.$/,
        dotBefore = /^\.([^.]+)$/,
        isInfinityOrNaN = /^-?(Infinity|NaN)$/,
        whitespaceOrPlus = /^\s*\+(?=[\w.])|^\s+|\s+$/g;

      return function (x, str, isNum, b) {
        var base,
          s = isNum ? str : str.replace(whitespaceOrPlus, '');

        // No exception on ±Infinity or NaN.
        if (isInfinityOrNaN.test(s)) {
          x.s = isNaN(s) ? null : s < 0 ? -1 : 1;
        } else {
          if (!isNum) {

            // basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i
            s = s.replace(basePrefix, function (m, p1, p2) {
              base = (p2 = p2.toLowerCase()) == 'x' ? 16 : p2 == 'b' ? 2 : 8;
              return !b || b == base ? p1 : m;
            });

            if (b) {
              base = b;

              // E.g. '1.' to '1', '.1' to '0.1'
              s = s.replace(dotAfter, '$1').replace(dotBefore, '0.$1');
            }

            if (str != s) return new BigNumber(s, base);
          }

          // '[BigNumber Error] Not a number: {n}'
          // '[BigNumber Error] Not a base {b} number: {n}'
          if (BigNumber.DEBUG) {
            throw Error
              (bignumberError + 'Not a' + (b ? ' base ' + b : '') + ' number: ' + str);
          }

          // NaN
          x.s = null;
        }

        x.c = x.e = null;
      }
    })();


    /*
     * Round x to sd significant digits using rounding mode rm. Check for over/under-flow.
     * If r is truthy, it is known that there are more digits after the rounding digit.
     */
    function round(x, sd, rm, r) {
      var d, i, j, k, n, ni, rd,
        xc = x.c,
        pows10 = POWS_TEN;

      // if x is not Infinity or NaN...
      if (xc) {

        // rd is the rounding digit, i.e. the digit after the digit that may be rounded up.
        // n is a base 1e14 number, the value of the element of array x.c containing rd.
        // ni is the index of n within x.c.
        // d is the number of digits of n.
        // i is the index of rd within n including leading zeros.
        // j is the actual index of rd within n (if < 0, rd is a leading zero).
        out: {

          // Get the number of digits of the first element of xc.
          for (d = 1, k = xc[0]; k >= 10; k /= 10, d++);
          i = sd - d;

          // If the rounding digit is in the first element of xc...
          if (i < 0) {
            i += LOG_BASE;
            j = sd;
            n = xc[ni = 0];

            // Get the rounding digit at index j of n.
            rd = n / pows10[d - j - 1] % 10 | 0;
          } else {
            ni = mathceil((i + 1) / LOG_BASE);

            if (ni >= xc.length) {

              if (r) {

                // Needed by sqrt.
                for (; xc.length <= ni; xc.push(0));
                n = rd = 0;
                d = 1;
                i %= LOG_BASE;
                j = i - LOG_BASE + 1;
              } else {
                break out;
              }
            } else {
              n = k = xc[ni];

              // Get the number of digits of n.
              for (d = 1; k >= 10; k /= 10, d++);

              // Get the index of rd within n.
              i %= LOG_BASE;

              // Get the index of rd within n, adjusted for leading zeros.
              // The number of leading zeros of n is given by LOG_BASE - d.
              j = i - LOG_BASE + d;

              // Get the rounding digit at index j of n.
              rd = j < 0 ? 0 : n / pows10[d - j - 1] % 10 | 0;
            }
          }

          r = r || sd < 0 ||

          // Are there any non-zero digits after the rounding digit?
          // The expression  n % pows10[d - j - 1]  returns all digits of n to the right
          // of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714.
           xc[ni + 1] != null || (j < 0 ? n : n % pows10[d - j - 1]);

          r = rm < 4
           ? (rd || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2))
           : rd > 5 || rd == 5 && (rm == 4 || r || rm == 6 &&

            // Check whether the digit to the left of the rounding digit is odd.
            ((i > 0 ? j > 0 ? n / pows10[d - j] : 0 : xc[ni - 1]) % 10) & 1 ||
             rm == (x.s < 0 ? 8 : 7));

          if (sd < 1 || !xc[0]) {
            xc.length = 0;

            if (r) {

              // Convert sd to decimal places.
              sd -= x.e + 1;

              // 1, 0.1, 0.01, 0.001, 0.0001 etc.
              xc[0] = pows10[(LOG_BASE - sd % LOG_BASE) % LOG_BASE];
              x.e = -sd || 0;
            } else {

              // Zero.
              xc[0] = x.e = 0;
            }

            return x;
          }

          // Remove excess digits.
          if (i == 0) {
            xc.length = ni;
            k = 1;
            ni--;
          } else {
            xc.length = ni + 1;
            k = pows10[LOG_BASE - i];

            // E.g. 56700 becomes 56000 if 7 is the rounding digit.
            // j > 0 means i > number of leading zeros of n.
            xc[ni] = j > 0 ? mathfloor(n / pows10[d - j] % pows10[j]) * k : 0;
          }

          // Round up?
          if (r) {

            for (; ;) {

              // If the digit to be rounded up is in the first element of xc...
              if (ni == 0) {

                // i will be the length of xc[0] before k is added.
                for (i = 1, j = xc[0]; j >= 10; j /= 10, i++);
                j = xc[0] += k;
                for (k = 1; j >= 10; j /= 10, k++);

                // if i != k the length has increased.
                if (i != k) {
                  x.e++;
                  if (xc[0] == BASE) xc[0] = 1;
                }

                break;
              } else {
                xc[ni] += k;
                if (xc[ni] != BASE) break;
                xc[ni--] = 0;
                k = 1;
              }
            }
          }

          // Remove trailing zeros.
          for (i = xc.length; xc[--i] === 0; xc.pop());
        }

        // Overflow? Infinity.
        if (x.e > MAX_EXP) {
          x.c = x.e = null;

        // Underflow? Zero.
        } else if (x.e < MIN_EXP) {
          x.c = [x.e = 0];
        }
      }

      return x;
    }


    function valueOf(n) {
      var str,
        e = n.e;

      if (e === null) return n.toString();

      str = coeffToString(n.c);

      str = e <= TO_EXP_NEG || e >= TO_EXP_POS
        ? toExponential(str, e)
        : toFixedPoint(str, e, '0');

      return n.s < 0 ? '-' + str : str;
    }


    // PROTOTYPE/INSTANCE METHODS


    /*
     * Return a new BigNumber whose value is the absolute value of this BigNumber.
     */
    P.absoluteValue = P.abs = function () {
      var x = new BigNumber(this);
      if (x.s < 0) x.s = 1;
      return x;
    };


    /*
     * Return
     *   1 if the value of this BigNumber is greater than the value of BigNumber(y, b),
     *   -1 if the value of this BigNumber is less than the value of BigNumber(y, b),
     *   0 if they have the same value,
     *   or null if the value of either is NaN.
     */
    P.comparedTo = function (y, b) {
      return compare(this, new BigNumber(y, b));
    };


    /*
     * If dp is undefined or null or true or false, return the number of decimal places of the
     * value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN.
     *
     * Otherwise, if dp is a number, return a new BigNumber whose value is the value of this
     * BigNumber rounded to a maximum of dp decimal places using rounding mode rm, or
     * ROUNDING_MODE if rm is omitted.
     *
     * [dp] {number} Decimal places: integer, 0 to MAX inclusive.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'
     */
    P.decimalPlaces = P.dp = function (dp, rm) {
      var c, n, v,
        x = this;

      if (dp != null) {
        intCheck(dp, 0, MAX);
        if (rm == null) rm = ROUNDING_MODE;
        else intCheck(rm, 0, 8);

        return round(new BigNumber(x), dp + x.e + 1, rm);
      }

      if (!(c = x.c)) return null;
      n = ((v = c.length - 1) - bitFloor(this.e / LOG_BASE)) * LOG_BASE;

      // Subtract the number of trailing zeros of the last number.
      if (v = c[v]) for (; v % 10 == 0; v /= 10, n--);
      if (n < 0) n = 0;

      return n;
    };


    /*
     *  n / 0 = I
     *  n / N = N
     *  n / I = 0
     *  0 / n = 0
     *  0 / 0 = N
     *  0 / N = N
     *  0 / I = 0
     *  N / n = N
     *  N / 0 = N
     *  N / N = N
     *  N / I = N
     *  I / n = I
     *  I / 0 = I
     *  I / N = N
     *  I / I = N
     *
     * Return a new BigNumber whose value is the value of this BigNumber divided by the value of
     * BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE.
     */
    P.dividedBy = P.div = function (y, b) {
      return div(this, new BigNumber(y, b), DECIMAL_PLACES, ROUNDING_MODE);
    };


    /*
     * Return a new BigNumber whose value is the integer part of dividing the value of this
     * BigNumber by the value of BigNumber(y, b).
     */
    P.dividedToIntegerBy = P.idiv = function (y, b) {
      return div(this, new BigNumber(y, b), 0, 1);
    };


    /*
     * Return a BigNumber whose value is the value of this BigNumber exponentiated by n.
     *
     * If m is present, return the result modulo m.
     * If n is negative round according to DECIMAL_PLACES and ROUNDING_MODE.
     * If POW_PRECISION is non-zero and m is not present, round to POW_PRECISION using ROUNDING_MODE.
     *
     * The modular power operation works efficiently when x, n, and m are integers, otherwise it
     * is equivalent to calculating x.exponentiatedBy(n).modulo(m) with a POW_PRECISION of 0.
     *
     * n {number|string|BigNumber} The exponent. An integer.
     * [m] {number|string|BigNumber} The modulus.
     *
     * '[BigNumber Error] Exponent not an integer: {n}'
     */
    P.exponentiatedBy = P.pow = function (n, m) {
      var half, isModExp, i, k, more, nIsBig, nIsNeg, nIsOdd, y,
        x = this;

      n = new BigNumber(n);

      // Allow NaN and ±Infinity, but not other non-integers.
      if (n.c && !n.isInteger()) {
        throw Error
          (bignumberError + 'Exponent not an integer: ' + valueOf(n));
      }

      if (m != null) m = new BigNumber(m);

      // Exponent of MAX_SAFE_INTEGER is 15.
      nIsBig = n.e > 14;

      // If x is NaN, ±Infinity, ±0 or ±1, or n is ±Infinity, NaN or ±0.
      if (!x.c || !x.c[0] || x.c[0] == 1 && !x.e && x.c.length == 1 || !n.c || !n.c[0]) {

        // The sign of the result of pow when x is negative depends on the evenness of n.
        // If +n overflows to ±Infinity, the evenness of n would be not be known.
        y = new BigNumber(Math.pow(+valueOf(x), nIsBig ? 2 - isOdd(n) : +valueOf(n)));
        return m ? y.mod(m) : y;
      }

      nIsNeg = n.s < 0;

      if (m) {

        // x % m returns NaN if abs(m) is zero, or m is NaN.
        if (m.c ? !m.c[0] : !m.s) return new BigNumber(NaN);

        isModExp = !nIsNeg && x.isInteger() && m.isInteger();

        if (isModExp) x = x.mod(m);

      // Overflow to ±Infinity: >=2**1e10 or >=1.0000024**1e15.
      // Underflow to ±0: <=0.79**1e10 or <=0.9999975**1e15.
      } else if (n.e > 9 && (x.e > 0 || x.e < -1 || (x.e == 0
        // [1, 240000000]
        ? x.c[0] > 1 || nIsBig && x.c[1] >= 24e7
        // [80000000000000]  [99999750000000]
        : x.c[0] < 8e13 || nIsBig && x.c[0] <= 9999975e7))) {

        // If x is negative and n is odd, k = -0, else k = 0.
        k = x.s < 0 && isOdd(n) ? -0 : 0;

        // If x >= 1, k = ±Infinity.
        if (x.e > -1) k = 1 / k;

        // If n is negative return ±0, else return ±Infinity.
        return new BigNumber(nIsNeg ? 1 / k : k);

      } else if (POW_PRECISION) {

        // Truncating each coefficient array to a length of k after each multiplication
        // equates to truncating significant digits to POW_PRECISION + [28, 41],
        // i.e. there will be a minimum of 28 guard digits retained.
        k = mathceil(POW_PRECISION / LOG_BASE + 2);
      }

      if (nIsBig) {
        half = new BigNumber(0.5);
        if (nIsNeg) n.s = 1;
        nIsOdd = isOdd(n);
      } else {
        i = Math.abs(+valueOf(n));
        nIsOdd = i % 2;
      }

      y = new BigNumber(ONE);

      // Performs 54 loop iterations for n of 9007199254740991.
      for (; ;) {

        if (nIsOdd) {
          y = y.times(x);
          if (!y.c) break;

          if (k) {
            if (y.c.length > k) y.c.length = k;
          } else if (isModExp) {
            y = y.mod(m);    //y = y.minus(div(y, m, 0, MODULO_MODE).times(m));
          }
        }

        if (i) {
          i = mathfloor(i / 2);
          if (i === 0) break;
          nIsOdd = i % 2;
        } else {
          n = n.times(half);
          round(n, n.e + 1, 1);

          if (n.e > 14) {
            nIsOdd = isOdd(n);
          } else {
            i = +valueOf(n);
            if (i === 0) break;
            nIsOdd = i % 2;
          }
        }

        x = x.times(x);

        if (k) {
          if (x.c && x.c.length > k) x.c.length = k;
        } else if (isModExp) {
          x = x.mod(m);    //x = x.minus(div(x, m, 0, MODULO_MODE).times(m));
        }
      }

      if (isModExp) return y;
      if (nIsNeg) y = ONE.div(y);

      return m ? y.mod(m) : k ? round(y, POW_PRECISION, ROUNDING_MODE, more) : y;
    };


    /*
     * Return a new BigNumber whose value is the value of this BigNumber rounded to an integer
     * using rounding mode rm, or ROUNDING_MODE if rm is omitted.
     *
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {rm}'
     */
    P.integerValue = function (rm) {
      var n = new BigNumber(this);
      if (rm == null) rm = ROUNDING_MODE;
      else intCheck(rm, 0, 8);
      return round(n, n.e + 1, rm);
    };


    /*
     * Return true if the value of this BigNumber is equal to the value of BigNumber(y, b),
     * otherwise return false.
     */
    P.isEqualTo = P.eq = function (y, b) {
      return compare(this, new BigNumber(y, b)) === 0;
    };


    /*
     * Return true if the value of this BigNumber is a finite number, otherwise return false.
     */
    P.isFinite = function () {
      return !!this.c;
    };


    /*
     * Return true if the value of this BigNumber is greater than the value of BigNumber(y, b),
     * otherwise return false.
     */
    P.isGreaterThan = P.gt = function (y, b) {
      return compare(this, new BigNumber(y, b)) > 0;
    };


    /*
     * Return true if the value of this BigNumber is greater than or equal to the value of
     * BigNumber(y, b), otherwise return false.
     */
    P.isGreaterThanOrEqualTo = P.gte = function (y, b) {
      return (b = compare(this, new BigNumber(y, b))) === 1 || b === 0;

    };


    /*
     * Return true if the value of this BigNumber is an integer, otherwise return false.
     */
    P.isInteger = function () {
      return !!this.c && bitFloor(this.e / LOG_BASE) > this.c.length - 2;
    };


    /*
     * Return true if the value of this BigNumber is less than the value of BigNumber(y, b),
     * otherwise return false.
     */
    P.isLessThan = P.lt = function (y, b) {
      return compare(this, new BigNumber(y, b)) < 0;
    };


    /*
     * Return true if the value of this BigNumber is less than or equal to the value of
     * BigNumber(y, b), otherwise return false.
     */
    P.isLessThanOrEqualTo = P.lte = function (y, b) {
      return (b = compare(this, new BigNumber(y, b))) === -1 || b === 0;
    };


    /*
     * Return true if the value of this BigNumber is NaN, otherwise return false.
     */
    P.isNaN = function () {
      return !this.s;
    };


    /*
     * Return true if the value of this BigNumber is negative, otherwise return false.
     */
    P.isNegative = function () {
      return this.s < 0;
    };


    /*
     * Return true if the value of this BigNumber is positive, otherwise return false.
     */
    P.isPositive = function () {
      return this.s > 0;
    };


    /*
     * Return true if the value of this BigNumber is 0 or -0, otherwise return false.
     */
    P.isZero = function () {
      return !!this.c && this.c[0] == 0;
    };


    /*
     *  n - 0 = n
     *  n - N = N
     *  n - I = -I
     *  0 - n = -n
     *  0 - 0 = 0
     *  0 - N = N
     *  0 - I = -I
     *  N - n = N
     *  N - 0 = N
     *  N - N = N
     *  N - I = N
     *  I - n = I
     *  I - 0 = I
     *  I - N = N
     *  I - I = N
     *
     * Return a new BigNumber whose value is the value of this BigNumber minus the value of
     * BigNumber(y, b).
     */
    P.minus = function (y, b) {
      var i, j, t, xLTy,
        x = this,
        a = x.s;

      y = new BigNumber(y, b);
      b = y.s;

      // Either NaN?
      if (!a || !b) return new BigNumber(NaN);

      // Signs differ?
      if (a != b) {
        y.s = -b;
        return x.plus(y);
      }

      var xe = x.e / LOG_BASE,
        ye = y.e / LOG_BASE,
        xc = x.c,
        yc = y.c;

      if (!xe || !ye) {

        // Either Infinity?
        if (!xc || !yc) return xc ? (y.s = -b, y) : new BigNumber(yc ? x : NaN);

        // Either zero?
        if (!xc[0] || !yc[0]) {

          // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
          return yc[0] ? (y.s = -b, y) : new BigNumber(xc[0] ? x :

           // IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity
           ROUNDING_MODE == 3 ? -0 : 0);
        }
      }

      xe = bitFloor(xe);
      ye = bitFloor(ye);
      xc = xc.slice();

      // Determine which is the bigger number.
      if (a = xe - ye) {

        if (xLTy = a < 0) {
          a = -a;
          t = xc;
        } else {
          ye = xe;
          t = yc;
        }

        t.reverse();

        // Prepend zeros to equalise exponents.
        for (b = a; b--; t.push(0));
        t.reverse();
      } else {

        // Exponents equal. Check digit by digit.
        j = (xLTy = (a = xc.length) < (b = yc.length)) ? a : b;

        for (a = b = 0; b < j; b++) {

          if (xc[b] != yc[b]) {
            xLTy = xc[b] < yc[b];
            break;
          }
        }
      }

      // x < y? Point xc to the array of the bigger number.
      if (xLTy) t = xc, xc = yc, yc = t, y.s = -y.s;

      b = (j = yc.length) - (i = xc.length);

      // Append zeros to xc if shorter.
      // No need to add zeros to yc if shorter as subtract only needs to start at yc.length.
      if (b > 0) for (; b--; xc[i++] = 0);
      b = BASE - 1;

      // Subtract yc from xc.
      for (; j > a;) {

        if (xc[--j] < yc[j]) {
          for (i = j; i && !xc[--i]; xc[i] = b);
          --xc[i];
          xc[j] += BASE;
        }

        xc[j] -= yc[j];
      }

      // Remove leading zeros and adjust exponent accordingly.
      for (; xc[0] == 0; xc.splice(0, 1), --ye);

      // Zero?
      if (!xc[0]) {

        // Following IEEE 754 (2008) 6.3,
        // n - n = +0  but  n - n = -0  when rounding towards -Infinity.
        y.s = ROUNDING_MODE == 3 ? -1 : 1;
        y.c = [y.e = 0];
        return y;
      }

      // No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity
      // for finite x and y.
      return normalise(y, xc, ye);
    };


    /*
     *   n % 0 =  N
     *   n % N =  N
     *   n % I =  n
     *   0 % n =  0
     *  -0 % n = -0
     *   0 % 0 =  N
     *   0 % N =  N
     *   0 % I =  0
     *   N % n =  N
     *   N % 0 =  N
     *   N % N =  N
     *   N % I =  N
     *   I % n =  N
     *   I % 0 =  N
     *   I % N =  N
     *   I % I =  N
     *
     * Return a new BigNumber whose value is the value of this BigNumber modulo the value of
     * BigNumber(y, b). The result depends on the value of MODULO_MODE.
     */
    P.modulo = P.mod = function (y, b) {
      var q, s,
        x = this;

      y = new BigNumber(y, b);

      // Return NaN if x is Infinity or NaN, or y is NaN or zero.
      if (!x.c || !y.s || y.c && !y.c[0]) {
        return new BigNumber(NaN);

      // Return x if y is Infinity or x is zero.
      } else if (!y.c || x.c && !x.c[0]) {
        return new BigNumber(x);
      }

      if (MODULO_MODE == 9) {

        // Euclidian division: q = sign(y) * floor(x / abs(y))
        // r = x - qy    where  0 <= r < abs(y)
        s = y.s;
        y.s = 1;
        q = div(x, y, 0, 3);
        y.s = s;
        q.s *= s;
      } else {
        q = div(x, y, 0, MODULO_MODE);
      }

      y = x.minus(q.times(y));

      // To match JavaScript %, ensure sign of zero is sign of dividend.
      if (!y.c[0] && MODULO_MODE == 1) y.s = x.s;

      return y;
    };


    /*
     *  n * 0 = 0
     *  n * N = N
     *  n * I = I
     *  0 * n = 0
     *  0 * 0 = 0
     *  0 * N = N
     *  0 * I = N
     *  N * n = N
     *  N * 0 = N
     *  N * N = N
     *  N * I = N
     *  I * n = I
     *  I * 0 = N
     *  I * N = N
     *  I * I = I
     *
     * Return a new BigNumber whose value is the value of this BigNumber multiplied by the value
     * of BigNumber(y, b).
     */
    P.multipliedBy = P.times = function (y, b) {
      var c, e, i, j, k, m, xcL, xlo, xhi, ycL, ylo, yhi, zc,
        base, sqrtBase,
        x = this,
        xc = x.c,
        yc = (y = new BigNumber(y, b)).c;

      // Either NaN, ±Infinity or ±0?
      if (!xc || !yc || !xc[0] || !yc[0]) {

        // Return NaN if either is NaN, or one is 0 and the other is Infinity.
        if (!x.s || !y.s || xc && !xc[0] && !yc || yc && !yc[0] && !xc) {
          y.c = y.e = y.s = null;
        } else {
          y.s *= x.s;

          // Return ±Infinity if either is ±Infinity.
          if (!xc || !yc) {
            y.c = y.e = null;

          // Return ±0 if either is ±0.
          } else {
            y.c = [0];
            y.e = 0;
          }
        }

        return y;
      }

      e = bitFloor(x.e / LOG_BASE) + bitFloor(y.e / LOG_BASE);
      y.s *= x.s;
      xcL = xc.length;
      ycL = yc.length;

      // Ensure xc points to longer array and xcL to its length.
      if (xcL < ycL) zc = xc, xc = yc, yc = zc, i = xcL, xcL = ycL, ycL = i;

      // Initialise the result array with zeros.
      for (i = xcL + ycL, zc = []; i--; zc.push(0));

      base = BASE;
      sqrtBase = SQRT_BASE;

      for (i = ycL; --i >= 0;) {
        c = 0;
        ylo = yc[i] % sqrtBase;
        yhi = yc[i] / sqrtBase | 0;

        for (k = xcL, j = i + k; j > i;) {
          xlo = xc[--k] % sqrtBase;
          xhi = xc[k] / sqrtBase | 0;
          m = yhi * xlo + xhi * ylo;
          xlo = ylo * xlo + ((m % sqrtBase) * sqrtBase) + zc[j] + c;
          c = (xlo / base | 0) + (m / sqrtBase | 0) + yhi * xhi;
          zc[j--] = xlo % base;
        }

        zc[j] = c;
      }

      if (c) {
        ++e;
      } else {
        zc.splice(0, 1);
      }

      return normalise(y, zc, e);
    };


    /*
     * Return a new BigNumber whose value is the value of this BigNumber negated,
     * i.e. multiplied by -1.
     */
    P.negated = function () {
      var x = new BigNumber(this);
      x.s = -x.s || null;
      return x;
    };


    /*
     *  n + 0 = n
     *  n + N = N
     *  n + I = I
     *  0 + n = n
     *  0 + 0 = 0
     *  0 + N = N
     *  0 + I = I
     *  N + n = N
     *  N + 0 = N
     *  N + N = N
     *  N + I = N
     *  I + n = I
     *  I + 0 = I
     *  I + N = N
     *  I + I = I
     *
     * Return a new BigNumber whose value is the value of this BigNumber plus the value of
     * BigNumber(y, b).
     */
    P.plus = function (y, b) {
      var t,
        x = this,
        a = x.s;

      y = new BigNumber(y, b);
      b = y.s;

      // Either NaN?
      if (!a || !b) return new BigNumber(NaN);

      // Signs differ?
       if (a != b) {
        y.s = -b;
        return x.minus(y);
      }

      var xe = x.e / LOG_BASE,
        ye = y.e / LOG_BASE,
        xc = x.c,
        yc = y.c;

      if (!xe || !ye) {

        // Return ±Infinity if either ±Infinity.
        if (!xc || !yc) return new BigNumber(a / 0);

        // Either zero?
        // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
        if (!xc[0] || !yc[0]) return yc[0] ? y : new BigNumber(xc[0] ? x : a * 0);
      }

      xe = bitFloor(xe);
      ye = bitFloor(ye);
      xc = xc.slice();

      // Prepend zeros to equalise exponents. Faster to use reverse then do unshifts.
      if (a = xe - ye) {
        if (a > 0) {
          ye = xe;
          t = yc;
        } else {
          a = -a;
          t = xc;
        }

        t.reverse();
        for (; a--; t.push(0));
        t.reverse();
      }

      a = xc.length;
      b = yc.length;

      // Point xc to the longer array, and b to the shorter length.
      if (a - b < 0) t = yc, yc = xc, xc = t, b = a;

      // Only start adding at yc.length - 1 as the further digits of xc can be ignored.
      for (a = 0; b;) {
        a = (xc[--b] = xc[b] + yc[b] + a) / BASE | 0;
        xc[b] = BASE === xc[b] ? 0 : xc[b] % BASE;
      }

      if (a) {
        xc = [a].concat(xc);
        ++ye;
      }

      // No need to check for zero, as +x + +y != 0 && -x + -y != 0
      // ye = MAX_EXP + 1 possible
      return normalise(y, xc, ye);
    };


    /*
     * If sd is undefined or null or true or false, return the number of significant digits of
     * the value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN.
     * If sd is true include integer-part trailing zeros in the count.
     *
     * Otherwise, if sd is a number, return a new BigNumber whose value is the value of this
     * BigNumber rounded to a maximum of sd significant digits using rounding mode rm, or
     * ROUNDING_MODE if rm is omitted.
     *
     * sd {number|boolean} number: significant digits: integer, 1 to MAX inclusive.
     *                     boolean: whether to count integer-part trailing zeros: true or false.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}'
     */
    P.precision = P.sd = function (sd, rm) {
      var c, n, v,
        x = this;

      if (sd != null && sd !== !!sd) {
        intCheck(sd, 1, MAX);
        if (rm == null) rm = ROUNDING_MODE;
        else intCheck(rm, 0, 8);

        return round(new BigNumber(x), sd, rm);
      }

      if (!(c = x.c)) return null;
      v = c.length - 1;
      n = v * LOG_BASE + 1;

      if (v = c[v]) {

        // Subtract the number of trailing zeros of the last element.
        for (; v % 10 == 0; v /= 10, n--);

        // Add the number of digits of the first element.
        for (v = c[0]; v >= 10; v /= 10, n++);
      }

      if (sd && x.e + 1 > n) n = x.e + 1;

      return n;
    };


    /*
     * Return a new BigNumber whose value is the value of this BigNumber shifted by k places
     * (powers of 10). Shift to the right if n > 0, and to the left if n < 0.
     *
     * k {number} Integer, -MAX_SAFE_INTEGER to MAX_SAFE_INTEGER inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {k}'
     */
    P.shiftedBy = function (k) {
      intCheck(k, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
      return this.times('1e' + k);
    };


    /*
     *  sqrt(-n) =  N
     *  sqrt(N) =  N
     *  sqrt(-I) =  N
     *  sqrt(I) =  I
     *  sqrt(0) =  0
     *  sqrt(-0) = -0
     *
     * Return a new BigNumber whose value is the square root of the value of this BigNumber,
     * rounded according to DECIMAL_PLACES and ROUNDING_MODE.
     */
    P.squareRoot = P.sqrt = function () {
      var m, n, r, rep, t,
        x = this,
        c = x.c,
        s = x.s,
        e = x.e,
        dp = DECIMAL_PLACES + 4,
        half = new BigNumber('0.5');

      // Negative/NaN/Infinity/zero?
      if (s !== 1 || !c || !c[0]) {
        return new BigNumber(!s || s < 0 && (!c || c[0]) ? NaN : c ? x : 1 / 0);
      }

      // Initial estimate.
      s = Math.sqrt(+valueOf(x));

      // Math.sqrt underflow/overflow?
      // Pass x to Math.sqrt as integer, then adjust the exponent of the result.
      if (s == 0 || s == 1 / 0) {
        n = coeffToString(c);
        if ((n.length + e) % 2 == 0) n += '0';
        s = Math.sqrt(+n);
        e = bitFloor((e + 1) / 2) - (e < 0 || e % 2);

        if (s == 1 / 0) {
          n = '5e' + e;
        } else {
          n = s.toExponential();
          n = n.slice(0, n.indexOf('e') + 1) + e;
        }

        r = new BigNumber(n);
      } else {
        r = new BigNumber(s + '');
      }

      // Check for zero.
      // r could be zero if MIN_EXP is changed after the this value was created.
      // This would cause a division by zero (x/t) and hence Infinity below, which would cause
      // coeffToString to throw.
      if (r.c[0]) {
        e = r.e;
        s = e + dp;
        if (s < 3) s = 0;

        // Newton-Raphson iteration.
        for (; ;) {
          t = r;
          r = half.times(t.plus(div(x, t, dp, 1)));

          if (coeffToString(t.c).slice(0, s) === (n = coeffToString(r.c)).slice(0, s)) {

            // The exponent of r may here be one less than the final result exponent,
            // e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits
            // are indexed correctly.
            if (r.e < e) --s;
            n = n.slice(s - 3, s + 1);

            // The 4th rounding digit may be in error by -1 so if the 4 rounding digits
            // are 9999 or 4999 (i.e. approaching a rounding boundary) continue the
            // iteration.
            if (n == '9999' || !rep && n == '4999') {

              // On the first iteration only, check to see if rounding up gives the
              // exact result as the nines may infinitely repeat.
              if (!rep) {
                round(t, t.e + DECIMAL_PLACES + 2, 0);

                if (t.times(t).eq(x)) {
                  r = t;
                  break;
                }
              }

              dp += 4;
              s += 4;
              rep = 1;
            } else {

              // If rounding digits are null, 0{0,4} or 50{0,3}, check for exact
              // result. If not, then there are further digits and m will be truthy.
              if (!+n || !+n.slice(1) && n.charAt(0) == '5') {

                // Truncate to the first rounding digit.
                round(r, r.e + DECIMAL_PLACES + 2, 1);
                m = !r.times(r).eq(x);
              }

              break;
            }
          }
        }
      }

      return round(r, r.e + DECIMAL_PLACES + 1, ROUNDING_MODE, m);
    };


    /*
     * Return a string representing the value of this BigNumber in exponential notation and
     * rounded using ROUNDING_MODE to dp fixed decimal places.
     *
     * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'
     */
    P.toExponential = function (dp, rm) {
      if (dp != null) {
        intCheck(dp, 0, MAX);
        dp++;
      }
      return format(this, dp, rm, 1);
    };


    /*
     * Return a string representing the value of this BigNumber in fixed-point notation rounding
     * to dp fixed decimal places using rounding mode rm, or ROUNDING_MODE if rm is omitted.
     *
     * Note: as with JavaScript's number type, (-0).toFixed(0) is '0',
     * but e.g. (-0.00001).toFixed(0) is '-0'.
     *
     * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'
     */
    P.toFixed = function (dp, rm) {
      if (dp != null) {
        intCheck(dp, 0, MAX);
        dp = dp + this.e + 1;
      }
      return format(this, dp, rm);
    };


    /*
     * Return a string representing the value of this BigNumber in fixed-point notation rounded
     * using rm or ROUNDING_MODE to dp decimal places, and formatted according to the properties
     * of the format or FORMAT object (see BigNumber.set).
     *
     * The formatting object may contain some or all of the properties shown below.
     *
     * FORMAT = {
     *   prefix: '',
     *   groupSize: 3,
     *   secondaryGroupSize: 0,
     *   groupSeparator: ',',
     *   decimalSeparator: '.',
     *   fractionGroupSize: 0,
     *   fractionGroupSeparator: '\xA0',      // non-breaking space
     *   suffix: ''
     * };
     *
     * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     * [format] {object} Formatting options. See FORMAT pbject above.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'
     * '[BigNumber Error] Argument not an object: {format}'
     */
    P.toFormat = function (dp, rm, format) {
      var str,
        x = this;

      if (format == null) {
        if (dp != null && rm && typeof rm == 'object') {
          format = rm;
          rm = null;
        } else if (dp && typeof dp == 'object') {
          format = dp;
          dp = rm = null;
        } else {
          format = FORMAT;
        }
      } else if (typeof format != 'object') {
        throw Error
          (bignumberError + 'Argument not an object: ' + format);
      }

      str = x.toFixed(dp, rm);

      if (x.c) {
        var i,
          arr = str.split('.'),
          g1 = +format.groupSize,
          g2 = +format.secondaryGroupSize,
          groupSeparator = format.groupSeparator || '',
          intPart = arr[0],
          fractionPart = arr[1],
          isNeg = x.s < 0,
          intDigits = isNeg ? intPart.slice(1) : intPart,
          len = intDigits.length;

        if (g2) i = g1, g1 = g2, g2 = i, len -= i;

        if (g1 > 0 && len > 0) {
          i = len % g1 || g1;
          intPart = intDigits.substr(0, i);
          for (; i < len; i += g1) intPart += groupSeparator + intDigits.substr(i, g1);
          if (g2 > 0) intPart += groupSeparator + intDigits.slice(i);
          if (isNeg) intPart = '-' + intPart;
        }

        str = fractionPart
         ? intPart + (format.decimalSeparator || '') + ((g2 = +format.fractionGroupSize)
          ? fractionPart.replace(new RegExp('\\d{' + g2 + '}\\B', 'g'),
           '$&' + (format.fractionGroupSeparator || ''))
          : fractionPart)
         : intPart;
      }

      return (format.prefix || '') + str + (format.suffix || '');
    };


    /*
     * Return an array of two BigNumbers representing the value of this BigNumber as a simple
     * fraction with an integer numerator and an integer denominator.
     * The denominator will be a positive non-zero value less than or equal to the specified
     * maximum denominator. If a maximum denominator is not specified, the denominator will be
     * the lowest value necessary to represent the number exactly.
     *
     * [md] {number|string|BigNumber} Integer >= 1, or Infinity. The maximum denominator.
     *
     * '[BigNumber Error] Argument {not an integer|out of range} : {md}'
     */
    P.toFraction = function (md) {
      var d, d0, d1, d2, e, exp, n, n0, n1, q, r, s,
        x = this,
        xc = x.c;

      if (md != null) {
        n = new BigNumber(md);

        // Throw if md is less than one or is not an integer, unless it is Infinity.
        if (!n.isInteger() && (n.c || n.s !== 1) || n.lt(ONE)) {
          throw Error
            (bignumberError + 'Argument ' +
              (n.isInteger() ? 'out of range: ' : 'not an integer: ') + valueOf(n));
        }
      }

      if (!xc) return new BigNumber(x);

      d = new BigNumber(ONE);
      n1 = d0 = new BigNumber(ONE);
      d1 = n0 = new BigNumber(ONE);
      s = coeffToString(xc);

      // Determine initial denominator.
      // d is a power of 10 and the minimum max denominator that specifies the value exactly.
      e = d.e = s.length - x.e - 1;
      d.c[0] = POWS_TEN[(exp = e % LOG_BASE) < 0 ? LOG_BASE + exp : exp];
      md = !md || n.comparedTo(d) > 0 ? (e > 0 ? d : n1) : n;

      exp = MAX_EXP;
      MAX_EXP = 1 / 0;
      n = new BigNumber(s);

      // n0 = d1 = 0
      n0.c[0] = 0;

      for (; ;)  {
        q = div(n, d, 0, 1);
        d2 = d0.plus(q.times(d1));
        if (d2.comparedTo(md) == 1) break;
        d0 = d1;
        d1 = d2;
        n1 = n0.plus(q.times(d2 = n1));
        n0 = d2;
        d = n.minus(q.times(d2 = d));
        n = d2;
      }

      d2 = div(md.minus(d0), d1, 0, 1);
      n0 = n0.plus(d2.times(n1));
      d0 = d0.plus(d2.times(d1));
      n0.s = n1.s = x.s;
      e = e * 2;

      // Determine which fraction is closer to x, n0/d0 or n1/d1
      r = div(n1, d1, e, ROUNDING_MODE).minus(x).abs().comparedTo(
          div(n0, d0, e, ROUNDING_MODE).minus(x).abs()) < 1 ? [n1, d1] : [n0, d0];

      MAX_EXP = exp;

      return r;
    };


    /*
     * Return the value of this BigNumber converted to a number primitive.
     */
    P.toNumber = function () {
      return +valueOf(this);
    };


    /*
     * Return a string representing the value of this BigNumber rounded to sd significant digits
     * using rounding mode rm or ROUNDING_MODE. If sd is less than the number of digits
     * necessary to represent the integer part of the value in fixed-point notation, then use
     * exponential notation.
     *
     * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.
     * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
     *
     * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}'
     */
    P.toPrecision = function (sd, rm) {
      if (sd != null) intCheck(sd, 1, MAX);
      return format(this, sd, rm, 2);
    };


    /*
     * Return a string representing the value of this BigNumber in base b, or base 10 if b is
     * omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and
     * ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent
     * that is equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than
     * TO_EXP_NEG, return exponential notation.
     *
     * [b] {number} Integer, 2 to ALPHABET.length inclusive.
     *
     * '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}'
     */
    P.toString = function (b) {
      var str,
        n = this,
        s = n.s,
        e = n.e;

      // Infinity or NaN?
      if (e === null) {
        if (s) {
          str = 'Infinity';
          if (s < 0) str = '-' + str;
        } else {
          str = 'NaN';
        }
      } else {
        if (b == null) {
          str = e <= TO_EXP_NEG || e >= TO_EXP_POS
           ? toExponential(coeffToString(n.c), e)
           : toFixedPoint(coeffToString(n.c), e, '0');
        } else if (b === 10 && alphabetHasNormalDecimalDigits) {
          n = round(new BigNumber(n), DECIMAL_PLACES + e + 1, ROUNDING_MODE);
          str = toFixedPoint(coeffToString(n.c), n.e, '0');
        } else {
          intCheck(b, 2, ALPHABET.length, 'Base');
          str = convertBase(toFixedPoint(coeffToString(n.c), e, '0'), 10, b, s, true);
        }

        if (s < 0 && n.c[0]) str = '-' + str;
      }

      return str;
    };


    /*
     * Return as toString, but do not accept a base argument, and include the minus sign for
     * negative zero.
     */
    P.valueOf = P.toJSON = function () {
      return valueOf(this);
    };


    P._isBigNumber = true;

    if (configObject != null) BigNumber.set(configObject);

    return BigNumber;
  }


  // PRIVATE HELPER FUNCTIONS

  // These functions don't need access to variables,
  // e.g. DECIMAL_PLACES, in the scope of the `clone` function above.


  function bitFloor(n) {
    var i = n | 0;
    return n > 0 || n === i ? i : i - 1;
  }


  // Return a coefficient array as a string of base 10 digits.
  function coeffToString(a) {
    var s, z,
      i = 1,
      j = a.length,
      r = a[0] + '';

    for (; i < j;) {
      s = a[i++] + '';
      z = LOG_BASE - s.length;
      for (; z--; s = '0' + s);
      r += s;
    }

    // Determine trailing zeros.
    for (j = r.length; r.charCodeAt(--j) === 48;);

    return r.slice(0, j + 1 || 1);
  }


  // Compare the value of BigNumbers x and y.
  function compare(x, y) {
    var a, b,
      xc = x.c,
      yc = y.c,
      i = x.s,
      j = y.s,
      k = x.e,
      l = y.e;

    // Either NaN?
    if (!i || !j) return null;

    a = xc && !xc[0];
    b = yc && !yc[0];

    // Either zero?
    if (a || b) return a ? b ? 0 : -j : i;

    // Signs differ?
    if (i != j) return i;

    a = i < 0;
    b = k == l;

    // Either Infinity?
    if (!xc || !yc) return b ? 0 : !xc ^ a ? 1 : -1;

    // Compare exponents.
    if (!b) return k > l ^ a ? 1 : -1;

    j = (k = xc.length) < (l = yc.length) ? k : l;

    // Compare digit by digit.
    for (i = 0; i < j; i++) if (xc[i] != yc[i]) return xc[i] > yc[i] ^ a ? 1 : -1;

    // Compare lengths.
    return k == l ? 0 : k > l ^ a ? 1 : -1;
  }


  /*
   * Check that n is a primitive number, an integer, and in range, otherwise throw.
   */
  function intCheck(n, min, max, name) {
    if (n < min || n > max || n !== mathfloor(n)) {
      throw Error
       (bignumberError + (name || 'Argument') + (typeof n == 'number'
         ? n < min || n > max ? ' out of range: ' : ' not an integer: '
         : ' not a primitive number: ') + String(n));
    }
  }


  // Assumes finite n.
  function isOdd(n) {
    var k = n.c.length - 1;
    return bitFloor(n.e / LOG_BASE) == k && n.c[k] % 2 != 0;
  }


  function toExponential(str, e) {
    return (str.length > 1 ? str.charAt(0) + '.' + str.slice(1) : str) +
     (e < 0 ? 'e' : 'e+') + e;
  }


  function toFixedPoint(str, e, z) {
    var len, zs;

    // Negative exponent?
    if (e < 0) {

      // Prepend zeros.
      for (zs = z + '.'; ++e; zs += z);
      str = zs + str;

    // Positive exponent
    } else {
      len = str.length;

      // Append zeros.
      if (++e > len) {
        for (zs = z, e -= len; --e; zs += z);
        str += zs;
      } else if (e < len) {
        str = str.slice(0, e) + '.' + str.slice(e);
      }
    }

    return str;
  }


  // EXPORT


  BigNumber = clone();
  BigNumber['default'] = BigNumber.BigNumber = BigNumber;

  // AMD.
  if (true) {
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { return BigNumber; }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

  // Node.js and other environments that support module.exports.
  } else {}
})(this);


/***/ }),

/***/ 84090:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

Object.defineProperty(exports, "__esModule", ({ value: true }));
const crypto = __webpack_require__(56903);
const bs58check = __webpack_require__(58334);
const ecc = __webpack_require__(95892);
const typeforce = __webpack_require__(2401);
const wif = __webpack_require__(37174);
const UINT256_TYPE = typeforce.BufferN(32);
const NETWORK_TYPE = typeforce.compile({
    wif: typeforce.UInt8,
    bip32: {
        public: typeforce.UInt32,
        private: typeforce.UInt32,
    },
});
const BITCOIN = {
    messagePrefix: '\x18Bitcoin Signed Message:\n',
    bech32: 'bc',
    bip32: {
        public: 0x0488b21e,
        private: 0x0488ade4,
    },
    pubKeyHash: 0x00,
    scriptHash: 0x05,
    wif: 0x80,
};
const HIGHEST_BIT = 0x80000000;
const UINT31_MAX = Math.pow(2, 31) - 1;
function BIP32Path(value) {
    return (typeforce.String(value) && value.match(/^(m\/)?(\d+'?\/)*\d+'?$/) !== null);
}
function UInt31(value) {
    return typeforce.UInt32(value) && value <= UINT31_MAX;
}
class BIP32 {
    constructor(__D, __Q, chainCode, network, __DEPTH = 0, __INDEX = 0, __PARENT_FINGERPRINT = 0x00000000) {
        this.__D = __D;
        this.__Q = __Q;
        this.chainCode = chainCode;
        this.network = network;
        this.__DEPTH = __DEPTH;
        this.__INDEX = __INDEX;
        this.__PARENT_FINGERPRINT = __PARENT_FINGERPRINT;
        typeforce(NETWORK_TYPE, network);
        this.lowR = false;
    }
    get depth() {
        return this.__DEPTH;
    }
    get index() {
        return this.__INDEX;
    }
    get parentFingerprint() {
        return this.__PARENT_FINGERPRINT;
    }
    get publicKey() {
        if (this.__Q === undefined)
            this.__Q = ecc.pointFromScalar(this.__D, true);
        return this.__Q;
    }
    get privateKey() {
        return this.__D;
    }
    get identifier() {
        return crypto.hash160(this.publicKey);
    }
    get fingerprint() {
        return this.identifier.slice(0, 4);
    }
    get compressed() {
        return true;
    }
    // Private === not neutered
    // Public === neutered
    isNeutered() {
        return this.__D === undefined;
    }
    neutered() {
        return fromPublicKeyLocal(this.publicKey, this.chainCode, this.network, this.depth, this.index, this.parentFingerprint);
    }
    toBase58() {
        const network = this.network;
        const version = !this.isNeutered()
            ? network.bip32.private
            : network.bip32.public;
        const buffer = Buffer.allocUnsafe(78);
        // 4 bytes: version bytes
        buffer.writeUInt32BE(version, 0);
        // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ....
        buffer.writeUInt8(this.depth, 4);
        // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
        buffer.writeUInt32BE(this.parentFingerprint, 5);
        // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
        // This is encoded in big endian. (0x00000000 if master key)
        buffer.writeUInt32BE(this.index, 9);
        // 32 bytes: the chain code
        this.chainCode.copy(buffer, 13);
        // 33 bytes: the public key or private key data
        if (!this.isNeutered()) {
            // 0x00 + k for private keys
            buffer.writeUInt8(0, 45);
            this.privateKey.copy(buffer, 46);
            // 33 bytes: the public key
        }
        else {
            // X9.62 encoding for public keys
            this.publicKey.copy(buffer, 45);
        }
        return bs58check.encode(buffer);
    }
    toWIF() {
        if (!this.privateKey)
            throw new TypeError('Missing private key');
        return wif.encode(this.network.wif, this.privateKey, true);
    }
    // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#child-key-derivation-ckd-functions
    derive(index) {
        typeforce(typeforce.UInt32, index);
        const isHardened = index >= HIGHEST_BIT;
        const data = Buffer.allocUnsafe(37);
        // Hardened child
        if (isHardened) {
            if (this.isNeutered())
                throw new TypeError('Missing private key for hardened child key');
            // data = 0x00 || ser256(kpar) || ser32(index)
            data[0] = 0x00;
            this.privateKey.copy(data, 1);
            data.writeUInt32BE(index, 33);
            // Normal child
        }
        else {
            // data = serP(point(kpar)) || ser32(index)
            //      = serP(Kpar) || ser32(index)
            this.publicKey.copy(data, 0);
            data.writeUInt32BE(index, 33);
        }
        const I = crypto.hmacSHA512(this.chainCode, data);
        const IL = I.slice(0, 32);
        const IR = I.slice(32);
        // if parse256(IL) >= n, proceed with the next value for i
        if (!ecc.isPrivate(IL))
            return this.derive(index + 1);
        // Private parent key -> private child key
        let hd;
        if (!this.isNeutered()) {
            // ki = parse256(IL) + kpar (mod n)
            const ki = ecc.privateAdd(this.privateKey, IL);
            // In case ki == 0, proceed with the next value for i
            if (ki == null)
                return this.derive(index + 1);
            hd = fromPrivateKeyLocal(ki, IR, this.network, this.depth + 1, index, this.fingerprint.readUInt32BE(0));
            // Public parent key -> public child key
        }
        else {
            // Ki = point(parse256(IL)) + Kpar
            //    = G*IL + Kpar
            const Ki = ecc.pointAddScalar(this.publicKey, IL, true);
            // In case Ki is the point at infinity, proceed with the next value for i
            if (Ki === null)
                return this.derive(index + 1);
            hd = fromPublicKeyLocal(Ki, IR, this.network, this.depth + 1, index, this.fingerprint.readUInt32BE(0));
        }
        return hd;
    }
    deriveHardened(index) {
        typeforce(UInt31, index);
        // Only derives hardened private keys by default
        return this.derive(index + HIGHEST_BIT);
    }
    derivePath(path) {
        typeforce(BIP32Path, path);
        let splitPath = path.split('/');
        if (splitPath[0] === 'm') {
            if (this.parentFingerprint)
                throw new TypeError('Expected master, got child');
            splitPath = splitPath.slice(1);
        }
        return splitPath.reduce((prevHd, indexStr) => {
            let index;
            if (indexStr.slice(-1) === `'`) {
                index = parseInt(indexStr.slice(0, -1), 10);
                return prevHd.deriveHardened(index);
            }
            else {
                index = parseInt(indexStr, 10);
                return prevHd.derive(index);
            }
        }, this);
    }
    sign(hash, lowR) {
        if (!this.privateKey)
            throw new Error('Missing private key');
        if (lowR === undefined)
            lowR = this.lowR;
        if (lowR === false) {
            return ecc.sign(hash, this.privateKey);
        }
        else {
            let sig = ecc.sign(hash, this.privateKey);
            const extraData = Buffer.alloc(32, 0);
            let counter = 0;
            // if first try is lowR, skip the loop
            // for second try and on, add extra entropy counting up
            while (sig[0] > 0x7f) {
                counter++;
                extraData.writeUIntLE(counter, 0, 6);
                sig = ecc.signWithEntropy(hash, this.privateKey, extraData);
            }
            return sig;
        }
    }
    verify(hash, signature) {
        return ecc.verify(hash, this.publicKey, signature);
    }
}
function fromBase58(inString, network) {
    const buffer = bs58check.decode(inString);
    if (buffer.length !== 78)
        throw new TypeError('Invalid buffer length');
    network = network || BITCOIN;
    // 4 bytes: version bytes
    const version = buffer.readUInt32BE(0);
    if (version !== network.bip32.private && version !== network.bip32.public)
        throw new TypeError('Invalid network version');
    // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ...
    const depth = buffer[4];
    // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
    const parentFingerprint = buffer.readUInt32BE(5);
    if (depth === 0) {
        if (parentFingerprint !== 0x00000000)
            throw new TypeError('Invalid parent fingerprint');
    }
    // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
    // This is encoded in MSB order. (0x00000000 if master key)
    const index = buffer.readUInt32BE(9);
    if (depth === 0 && index !== 0)
        throw new TypeError('Invalid index');
    // 32 bytes: the chain code
    const chainCode = buffer.slice(13, 45);
    let hd;
    // 33 bytes: private key data (0x00 + k)
    if (version === network.bip32.private) {
        if (buffer.readUInt8(45) !== 0x00)
            throw new TypeError('Invalid private key');
        const k = buffer.slice(46, 78);
        hd = fromPrivateKeyLocal(k, chainCode, network, depth, index, parentFingerprint);
        // 33 bytes: public key data (0x02 + X or 0x03 + X)
    }
    else {
        const X = buffer.slice(45, 78);
        hd = fromPublicKeyLocal(X, chainCode, network, depth, index, parentFingerprint);
    }
    return hd;
}
exports.fromBase58 = fromBase58;
function fromPrivateKey(privateKey, chainCode, network) {
    return fromPrivateKeyLocal(privateKey, chainCode, network);
}
exports.fromPrivateKey = fromPrivateKey;
function fromPrivateKeyLocal(privateKey, chainCode, network, depth, index, parentFingerprint) {
    typeforce({
        privateKey: UINT256_TYPE,
        chainCode: UINT256_TYPE,
    }, { privateKey, chainCode });
    network = network || BITCOIN;
    if (!ecc.isPrivate(privateKey))
        throw new TypeError('Private key not in range [1, n)');
    return new BIP32(privateKey, undefined, chainCode, network, depth, index, parentFingerprint);
}
function fromPublicKey(publicKey, chainCode, network) {
    return fromPublicKeyLocal(publicKey, chainCode, network);
}
exports.fromPublicKey = fromPublicKey;
function fromPublicKeyLocal(publicKey, chainCode, network, depth, index, parentFingerprint) {
    typeforce({
        publicKey: typeforce.BufferN(33),
        chainCode: UINT256_TYPE,
    }, { publicKey, chainCode });
    network = network || BITCOIN;
    // verify the X coordinate is a point on the curve
    if (!ecc.isPoint(publicKey))
        throw new TypeError('Point is not on the curve');
    return new BIP32(undefined, publicKey, chainCode, network, depth, index, parentFingerprint);
}
function fromSeed(seed, network) {
    typeforce(typeforce.Buffer, seed);
    if (seed.length < 16)
        throw new TypeError('Seed should be at least 128 bits');
    if (seed.length > 64)
        throw new TypeError('Seed should be at most 512 bits');
    network = network || BITCOIN;
    const I = crypto.hmacSHA512(Buffer.from('Bitcoin seed', 'utf8'), seed);
    const IL = I.slice(0, 32);
    const IR = I.slice(32);
    return fromPrivateKey(IL, IR, network);
}
exports.fromSeed = fromSeed;


/***/ }),

/***/ 56903:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const createHash = __webpack_require__(23482);
const createHmac = __webpack_require__(58355);
function hash160(buffer) {
    const sha256Hash = createHash('sha256')
        .update(buffer)
        .digest();
    try {
        return createHash('rmd160')
            .update(sha256Hash)
            .digest();
    }
    catch (err) {
        return createHash('ripemd160')
            .update(sha256Hash)
            .digest();
    }
}
exports.hash160 = hash160;
function hmacSHA512(key, data) {
    return createHmac('sha512', key)
        .update(data)
        .digest();
}
exports.hmacSHA512 = hmacSHA512;


/***/ }),

/***/ 37786:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
var bip32_1 = __webpack_require__(84090);
exports.fromSeed = bip32_1.fromSeed;
exports.fromBase58 = bip32_1.fromBase58;
exports.fromPublicKey = bip32_1.fromPublicKey;
exports.fromPrivateKey = bip32_1.fromPrivateKey;


/***/ }),

/***/ 42314:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
// browserify by default only pulls in files that are hard coded in requires
// In order of last to first in this file, the default wordlist will be chosen
// based on what is present. (Bundles may remove wordlists they don't need)
const wordlists = {};
exports.wordlists = wordlists;
let _default;
exports._default = _default;
try {
    exports._default = _default = __webpack_require__(40032);
    wordlists.czech = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(46996);
    wordlists.chinese_simplified = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(4262);
    wordlists.chinese_traditional = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(8013);
    wordlists.korean = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(11848);
    wordlists.french = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(72841);
    wordlists.italian = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(80659);
    wordlists.spanish = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(94472);
    wordlists.japanese = _default;
    wordlists.JA = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(71945);
    wordlists.portuguese = _default;
}
catch (err) { }
try {
    exports._default = _default = __webpack_require__(24573);
    wordlists.english = _default;
    wordlists.EN = _default;
}
catch (err) { }


/***/ }),

/***/ 2153:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

Object.defineProperty(exports, "__esModule", ({ value: true }));
const createHash = __webpack_require__(23482);
const pbkdf2_1 = __webpack_require__(25632);
const randomBytes = __webpack_require__(61798);
const _wordlists_1 = __webpack_require__(42314);
let DEFAULT_WORDLIST = _wordlists_1._default;
const INVALID_MNEMONIC = 'Invalid mnemonic';
const INVALID_ENTROPY = 'Invalid entropy';
const INVALID_CHECKSUM = 'Invalid mnemonic checksum';
const WORDLIST_REQUIRED = 'A wordlist is required but a default could not be found.\n' +
    'Please pass a 2048 word array explicitly.';
function pbkdf2Promise(password, saltMixin, iterations, keylen, digest) {
    return Promise.resolve().then(() => new Promise((resolve, reject) => {
        const callback = (err, derivedKey) => {
            if (err) {
                return reject(err);
            }
            else {
                return resolve(derivedKey);
            }
        };
        pbkdf2_1.pbkdf2(password, saltMixin, iterations, keylen, digest, callback);
    }));
}
function normalize(str) {
    return (str || '').normalize('NFKD');
}
function lpad(str, padString, length) {
    while (str.length < length) {
        str = padString + str;
    }
    return str;
}
function binaryToByte(bin) {
    return parseInt(bin, 2);
}
function bytesToBinary(bytes) {
    return bytes.map((x) => lpad(x.toString(2), '0', 8)).join('');
}
function deriveChecksumBits(entropyBuffer) {
    const ENT = entropyBuffer.length * 8;
    const CS = ENT / 32;
    const hash = createHash('sha256')
        .update(entropyBuffer)
        .digest();
    return bytesToBinary(Array.from(hash)).slice(0, CS);
}
function salt(password) {
    return 'mnemonic' + (password || '');
}
function mnemonicToSeedSync(mnemonic, password) {
    const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
    const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
    return pbkdf2_1.pbkdf2Sync(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
}
exports.mnemonicToSeedSync = mnemonicToSeedSync;
function mnemonicToSeed(mnemonic, password) {
    return Promise.resolve().then(() => {
        const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
        const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
        return pbkdf2Promise(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
    });
}
exports.mnemonicToSeed = mnemonicToSeed;
function mnemonicToEntropy(mnemonic, wordlist) {
    wordlist = wordlist || DEFAULT_WORDLIST;
    if (!wordlist) {
        throw new Error(WORDLIST_REQUIRED);
    }
    const words = normalize(mnemonic).split(' ');
    if (words.length % 3 !== 0) {
        throw new Error(INVALID_MNEMONIC);
    }
    // convert word indices to 11 bit binary strings
    const bits = words
        .map((word) => {
        const index = wordlist.indexOf(word);
        if (index === -1) {
            throw new Error(INVALID_MNEMONIC);
        }
        return lpad(index.toString(2), '0', 11);
    })
        .join('');
    // split the binary string into ENT/CS
    const dividerIndex = Math.floor(bits.length / 33) * 32;
    const entropyBits = bits.slice(0, dividerIndex);
    const checksumBits = bits.slice(dividerIndex);
    // calculate the checksum and compare
    const entropyBytes = entropyBits.match(/(.{1,8})/g).map(binaryToByte);
    if (entropyBytes.length < 16) {
        throw new Error(INVALID_ENTROPY);
    }
    if (entropyBytes.length > 32) {
        throw new Error(INVALID_ENTROPY);
    }
    if (entropyBytes.length % 4 !== 0) {
        throw new Error(INVALID_ENTROPY);
    }
    const entropy = Buffer.from(entropyBytes);
    const newChecksum = deriveChecksumBits(entropy);
    if (newChecksum !== checksumBits) {
        throw new Error(INVALID_CHECKSUM);
    }
    return entropy.toString('hex');
}
exports.mnemonicToEntropy = mnemonicToEntropy;
function entropyToMnemonic(entropy, wordlist) {
    if (!Buffer.isBuffer(entropy)) {
        entropy = Buffer.from(entropy, 'hex');
    }
    wordlist = wordlist || DEFAULT_WORDLIST;
    if (!wordlist) {
        throw new Error(WORDLIST_REQUIRED);
    }
    // 128 <= ENT <= 256
    if (entropy.length < 16) {
        throw new TypeError(INVALID_ENTROPY);
    }
    if (entropy.length > 32) {
        throw new TypeError(INVALID_ENTROPY);
    }
    if (entropy.length % 4 !== 0) {
        throw new TypeError(INVALID_ENTROPY);
    }
    const entropyBits = bytesToBinary(Array.from(entropy));
    const checksumBits = deriveChecksumBits(entropy);
    const bits = entropyBits + checksumBits;
    const chunks = bits.match(/(.{1,11})/g);
    const words = chunks.map((binary) => {
        const index = binaryToByte(binary);
        return wordlist[index];
    });
    return wordlist[0] === '\u3042\u3044\u3053\u304f\u3057\u3093' // Japanese wordlist
        ? words.join('\u3000')
        : words.join(' ');
}
exports.entropyToMnemonic = entropyToMnemonic;
function generateMnemonic(strength, rng, wordlist) {
    strength = strength || 128;
    if (strength % 32 !== 0) {
        throw new TypeError(INVALID_ENTROPY);
    }
    rng = rng || randomBytes;
    return entropyToMnemonic(rng(strength / 8), wordlist);
}
exports.generateMnemonic = generateMnemonic;
function validateMnemonic(mnemonic, wordlist) {
    try {
        mnemonicToEntropy(mnemonic, wordlist);
    }
    catch (e) {
        return false;
    }
    return true;
}
exports.validateMnemonic = validateMnemonic;
function setDefaultWordlist(language) {
    const result = _wordlists_1.wordlists[language];
    if (result) {
        DEFAULT_WORDLIST = result;
    }
    else {
        throw new Error('Could not find wordlist for language "' + language + '"');
    }
}
exports.setDefaultWordlist = setDefaultWordlist;
function getDefaultWordlist() {
    if (!DEFAULT_WORDLIST) {
        throw new Error('No Default Wordlist set');
    }
    return Object.keys(_wordlists_1.wordlists).filter((lang) => {
        if (lang === 'JA' || lang === 'EN') {
            return false;
        }
        return _wordlists_1.wordlists[lang].every((word, index) => word === DEFAULT_WORDLIST[index]);
    })[0];
}
exports.getDefaultWordlist = getDefaultWordlist;
var _wordlists_2 = __webpack_require__(42314);
exports.wordlists = _wordlists_2.wordlists;


/***/ }),

/***/ 13550:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(46601).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [number & 0x3ffffff];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [0];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this._strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // '0' - '9'
    if (c >= 48 && c <= 57) {
      return c - 48;
    // 'A' - 'F'
    } else if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    } else {
      assert(false, 'Invalid character in ' + string);
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this._strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var b = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        b = c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        b = c - 17 + 0xa;

      // '0' - '9'
      } else {
        b = c;
      }
      assert(c >= 0 && b < mul, 'Invalid character');
      r += b;
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [0];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this._strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  function move (dest, src) {
    dest.words = src.words;
    dest.length = src.length;
    dest.negative = src.negative;
    dest.red = src.red;
  }

  BN.prototype._move = function _move (dest) {
    move(dest, this);
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype._strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  // Check Symbol.for because not everywhere where Symbol defined
  // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Browser_compatibility
  if (typeof Symbol !== 'undefined' && typeof Symbol.for === 'function') {
    try {
      BN.prototype[Symbol.for('nodejs.util.inspect.custom')] = inspect;
    } catch (e) {
      BN.prototype.inspect = inspect;
    }
  } else {
    BN.prototype.inspect = inspect;
  }

  function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  }

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modrn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16, 2);
  };

  if (Buffer) {
    BN.prototype.toBuffer = function toBuffer (endian, length) {
      return this.toArrayLike(Buffer, endian, length);
    };
  }

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  var allocate = function allocate (ArrayType, size) {
    if (ArrayType.allocUnsafe) {
      return ArrayType.allocUnsafe(size);
    }
    return new ArrayType(size);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    this._strip();

    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    var res = allocate(ArrayType, reqLength);
    var postfix = endian === 'le' ? 'LE' : 'BE';
    this['_toArrayLike' + postfix](res, byteLength);
    return res;
  };

  BN.prototype._toArrayLikeLE = function _toArrayLikeLE (res, byteLength) {
    var position = 0;
    var carry = 0;

    for (var i = 0, shift = 0; i < this.length; i++) {
      var word = (this.words[i] << shift) | carry;

      res[position++] = word & 0xff;
      if (position < res.length) {
        res[position++] = (word >> 8) & 0xff;
      }
      if (position < res.length) {
        res[position++] = (word >> 16) & 0xff;
      }

      if (shift === 6) {
        if (position < res.length) {
          res[position++] = (word >> 24) & 0xff;
        }
        carry = 0;
        shift = 0;
      } else {
        carry = word >>> 24;
        shift += 2;
      }
    }

    if (position < res.length) {
      res[position++] = carry;

      while (position < res.length) {
        res[position++] = 0;
      }
    }
  };

  BN.prototype._toArrayLikeBE = function _toArrayLikeBE (res, byteLength) {
    var position = res.length - 1;
    var carry = 0;

    for (var i = 0, shift = 0; i < this.length; i++) {
      var word = (this.words[i] << shift) | carry;

      res[position--] = word & 0xff;
      if (position >= 0) {
        res[position--] = (word >> 8) & 0xff;
      }
      if (position >= 0) {
        res[position--] = (word >> 16) & 0xff;
      }

      if (shift === 6) {
        if (position >= 0) {
          res[position--] = (word >> 24) & 0xff;
        }
        carry = 0;
        shift = 0;
      } else {
        carry = word >>> 24;
        shift += 2;
      }
    }

    if (position >= 0) {
      res[position--] = carry;

      while (position >= 0) {
        res[position--] = 0;
      }
    }
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] >>> wbit) & 0x01;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this._strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this._strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this._strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this._strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this._strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this._strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out._strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out._strip();
  }

  function jumboMulTo (self, num, out) {
    // Temporary disable, see https://github.com/indutny/bn.js/issues/211
    // var fftm = new FFTM();
    // return fftm.mulp(self, num, out);
    return bigMulTo(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out._strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    var isNegNum = num < 0;
    if (isNegNum) num = -num;

    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return isNegNum ? this.ineg() : this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this._strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this._strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this._strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) <= num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this._strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this._strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this._strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q._strip();
    }
    a._strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modrn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modrn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || (r2 === 1 && cmp === 0)) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modrn = function modrn (num) {
    var isNegNum = num < 0;
    if (isNegNum) num = -num;

    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return isNegNum ? -acc : acc;
  };

  // WARNING: DEPRECATED
  BN.prototype.modn = function modn (num) {
    return this.modrn(num);
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    var isNegNum = num < 0;
    if (isNegNum) num = -num;

    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    this._strip();
    return isNegNum ? this.ineg() : this;
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this._strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is a BN v4 instance
        r.strip();
      } else {
        // r is a BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);

    move(a, a.umod(this.m)._forceRed(this));
    return a;
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 29931:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var r;

module.exports = function rand(len) {
  if (!r)
    r = new Rand(null);

  return r.generate(len);
};

function Rand(rand) {
  this.rand = rand;
}
module.exports.Rand = Rand;

Rand.prototype.generate = function generate(len) {
  return this._rand(len);
};

// Emulate crypto API using randy
Rand.prototype._rand = function _rand(n) {
  if (this.rand.getBytes)
    return this.rand.getBytes(n);

  var res = new Uint8Array(n);
  for (var i = 0; i < res.length; i++)
    res[i] = this.rand.getByte();
  return res;
};

if (typeof self === 'object') {
  if (self.crypto && self.crypto.getRandomValues) {
    // Modern browsers
    Rand.prototype._rand = function _rand(n) {
      var arr = new Uint8Array(n);
      self.crypto.getRandomValues(arr);
      return arr;
    };
  } else if (self.msCrypto && self.msCrypto.getRandomValues) {
    // IE
    Rand.prototype._rand = function _rand(n) {
      var arr = new Uint8Array(n);
      self.msCrypto.getRandomValues(arr);
      return arr;
    };

  // Safari's WebWorkers do not have `crypto`
  } else if (typeof window === 'object') {
    // Old junk
    Rand.prototype._rand = function() {
      throw new Error('Not implemented yet');
    };
  }
} else {
  // Node.js or Web worker with no crypto support
  try {
    var crypto = __webpack_require__(89214);
    if (typeof crypto.randomBytes !== 'function')
      throw new Error('Not supported');

    Rand.prototype._rand = function _rand(n) {
      return crypto.randomBytes(n);
    };
  } catch (e) {
  }
}


/***/ }),

/***/ 74497:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// based on the aes implimentation in triple sec
// https://github.com/keybase/triplesec
// which is in turn based on the one from crypto-js
// https://code.google.com/p/crypto-js/

var Buffer = (__webpack_require__(89509).Buffer)

function asUInt32Array (buf) {
  if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf)

  var len = (buf.length / 4) | 0
  var out = new Array(len)

  for (var i = 0; i < len; i++) {
    out[i] = buf.readUInt32BE(i * 4)
  }

  return out
}

function scrubVec (v) {
  for (var i = 0; i < v.length; v++) {
    v[i] = 0
  }
}

function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) {
  var SUB_MIX0 = SUB_MIX[0]
  var SUB_MIX1 = SUB_MIX[1]
  var SUB_MIX2 = SUB_MIX[2]
  var SUB_MIX3 = SUB_MIX[3]

  var s0 = M[0] ^ keySchedule[0]
  var s1 = M[1] ^ keySchedule[1]
  var s2 = M[2] ^ keySchedule[2]
  var s3 = M[3] ^ keySchedule[3]
  var t0, t1, t2, t3
  var ksRow = 4

  for (var round = 1; round < nRounds; round++) {
    t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++]
    t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++]
    t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++]
    t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++]
    s0 = t0
    s1 = t1
    s2 = t2
    s3 = t3
  }

  t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]
  t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]
  t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]
  t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]
  t0 = t0 >>> 0
  t1 = t1 >>> 0
  t2 = t2 >>> 0
  t3 = t3 >>> 0

  return [t0, t1, t2, t3]
}

// AES constants
var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]
var G = (function () {
  // Compute double table
  var d = new Array(256)
  for (var j = 0; j < 256; j++) {
    if (j < 128) {
      d[j] = j << 1
    } else {
      d[j] = (j << 1) ^ 0x11b
    }
  }

  var SBOX = []
  var INV_SBOX = []
  var SUB_MIX = [[], [], [], []]
  var INV_SUB_MIX = [[], [], [], []]

  // Walk GF(2^8)
  var x = 0
  var xi = 0
  for (var i = 0; i < 256; ++i) {
    // Compute sbox
    var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4)
    sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63
    SBOX[x] = sx
    INV_SBOX[sx] = x

    // Compute multiplication
    var x2 = d[x]
    var x4 = d[x2]
    var x8 = d[x4]

    // Compute sub bytes, mix columns tables
    var t = (d[sx] * 0x101) ^ (sx * 0x1010100)
    SUB_MIX[0][x] = (t << 24) | (t >>> 8)
    SUB_MIX[1][x] = (t << 16) | (t >>> 16)
    SUB_MIX[2][x] = (t << 8) | (t >>> 24)
    SUB_MIX[3][x] = t

    // Compute inv sub bytes, inv mix columns tables
    t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100)
    INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8)
    INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16)
    INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24)
    INV_SUB_MIX[3][sx] = t

    if (x === 0) {
      x = xi = 1
    } else {
      x = x2 ^ d[d[d[x8 ^ x2]]]
      xi ^= d[d[xi]]
    }
  }

  return {
    SBOX: SBOX,
    INV_SBOX: INV_SBOX,
    SUB_MIX: SUB_MIX,
    INV_SUB_MIX: INV_SUB_MIX
  }
})()

function AES (key) {
  this._key = asUInt32Array(key)
  this._reset()
}

AES.blockSize = 4 * 4
AES.keySize = 256 / 8
AES.prototype.blockSize = AES.blockSize
AES.prototype.keySize = AES.keySize
AES.prototype._reset = function () {
  var keyWords = this._key
  var keySize = keyWords.length
  var nRounds = keySize + 6
  var ksRows = (nRounds + 1) * 4

  var keySchedule = []
  for (var k = 0; k < keySize; k++) {
    keySchedule[k] = keyWords[k]
  }

  for (k = keySize; k < ksRows; k++) {
    var t = keySchedule[k - 1]

    if (k % keySize === 0) {
      t = (t << 8) | (t >>> 24)
      t =
        (G.SBOX[t >>> 24] << 24) |
        (G.SBOX[(t >>> 16) & 0xff] << 16) |
        (G.SBOX[(t >>> 8) & 0xff] << 8) |
        (G.SBOX[t & 0xff])

      t ^= RCON[(k / keySize) | 0] << 24
    } else if (keySize > 6 && k % keySize === 4) {
      t =
        (G.SBOX[t >>> 24] << 24) |
        (G.SBOX[(t >>> 16) & 0xff] << 16) |
        (G.SBOX[(t >>> 8) & 0xff] << 8) |
        (G.SBOX[t & 0xff])
    }

    keySchedule[k] = keySchedule[k - keySize] ^ t
  }

  var invKeySchedule = []
  for (var ik = 0; ik < ksRows; ik++) {
    var ksR = ksRows - ik
    var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)]

    if (ik < 4 || ksR <= 4) {
      invKeySchedule[ik] = tt
    } else {
      invKeySchedule[ik] =
        G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^
        G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^
        G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^
        G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]]
    }
  }

  this._nRounds = nRounds
  this._keySchedule = keySchedule
  this._invKeySchedule = invKeySchedule
}

AES.prototype.encryptBlockRaw = function (M) {
  M = asUInt32Array(M)
  return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds)
}

AES.prototype.encryptBlock = function (M) {
  var out = this.encryptBlockRaw(M)
  var buf = Buffer.allocUnsafe(16)
  buf.writeUInt32BE(out[0], 0)
  buf.writeUInt32BE(out[1], 4)
  buf.writeUInt32BE(out[2], 8)
  buf.writeUInt32BE(out[3], 12)
  return buf
}

AES.prototype.decryptBlock = function (M) {
  M = asUInt32Array(M)

  // swap
  var m1 = M[1]
  M[1] = M[3]
  M[3] = m1

  var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds)
  var buf = Buffer.allocUnsafe(16)
  buf.writeUInt32BE(out[0], 0)
  buf.writeUInt32BE(out[3], 4)
  buf.writeUInt32BE(out[2], 8)
  buf.writeUInt32BE(out[1], 12)
  return buf
}

AES.prototype.scrub = function () {
  scrubVec(this._keySchedule)
  scrubVec(this._invKeySchedule)
  scrubVec(this._key)
}

module.exports.AES = AES


/***/ }),

/***/ 62422:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var aes = __webpack_require__(74497)
var Buffer = (__webpack_require__(89509).Buffer)
var Transform = __webpack_require__(71027)
var inherits = __webpack_require__(35717)
var GHASH = __webpack_require__(83288)
var xor = __webpack_require__(67295)
var incr32 = __webpack_require__(20685)

function xorTest (a, b) {
  var out = 0
  if (a.length !== b.length) out++

  var len = Math.min(a.length, b.length)
  for (var i = 0; i < len; ++i) {
    out += (a[i] ^ b[i])
  }

  return out
}

function calcIv (self, iv, ck) {
  if (iv.length === 12) {
    self._finID = Buffer.concat([iv, Buffer.from([0, 0, 0, 1])])
    return Buffer.concat([iv, Buffer.from([0, 0, 0, 2])])
  }
  var ghash = new GHASH(ck)
  var len = iv.length
  var toPad = len % 16
  ghash.update(iv)
  if (toPad) {
    toPad = 16 - toPad
    ghash.update(Buffer.alloc(toPad, 0))
  }
  ghash.update(Buffer.alloc(8, 0))
  var ivBits = len * 8
  var tail = Buffer.alloc(8)
  tail.writeUIntBE(ivBits, 0, 8)
  ghash.update(tail)
  self._finID = ghash.state
  var out = Buffer.from(self._finID)
  incr32(out)
  return out
}
function StreamCipher (mode, key, iv, decrypt) {
  Transform.call(this)

  var h = Buffer.alloc(4, 0)

  this._cipher = new aes.AES(key)
  var ck = this._cipher.encryptBlock(h)
  this._ghash = new GHASH(ck)
  iv = calcIv(this, iv, ck)

  this._prev = Buffer.from(iv)
  this._cache = Buffer.allocUnsafe(0)
  this._secCache = Buffer.allocUnsafe(0)
  this._decrypt = decrypt
  this._alen = 0
  this._len = 0
  this._mode = mode

  this._authTag = null
  this._called = false
}

inherits(StreamCipher, Transform)

StreamCipher.prototype._update = function (chunk) {
  if (!this._called && this._alen) {
    var rump = 16 - (this._alen % 16)
    if (rump < 16) {
      rump = Buffer.alloc(rump, 0)
      this._ghash.update(rump)
    }
  }

  this._called = true
  var out = this._mode.encrypt(this, chunk)
  if (this._decrypt) {
    this._ghash.update(chunk)
  } else {
    this._ghash.update(out)
  }
  this._len += chunk.length
  return out
}

StreamCipher.prototype._final = function () {
  if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data')

  var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID))
  if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data')

  this._authTag = tag
  this._cipher.scrub()
}

StreamCipher.prototype.getAuthTag = function getAuthTag () {
  if (this._decrypt || !Buffer.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state')

  return this._authTag
}

StreamCipher.prototype.setAuthTag = function setAuthTag (tag) {
  if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state')

  this._authTag = tag
}

StreamCipher.prototype.setAAD = function setAAD (buf) {
  if (this._called) throw new Error('Attempting to set AAD in unsupported state')

  this._ghash.update(buf)
  this._alen += buf.length
}

module.exports = StreamCipher


/***/ }),

/***/ 44696:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var ciphers = __webpack_require__(71494)
var deciphers = __webpack_require__(66193)
var modes = __webpack_require__(44946)

function getCiphers () {
  return Object.keys(modes)
}

exports.createCipher = exports.Cipher = ciphers.createCipher
exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv
exports.createDecipher = exports.Decipher = deciphers.createDecipher
exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv
exports.listCiphers = exports.getCiphers = getCiphers


/***/ }),

/***/ 66193:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var AuthCipher = __webpack_require__(62422)
var Buffer = (__webpack_require__(89509).Buffer)
var MODES = __webpack_require__(45)
var StreamCipher = __webpack_require__(25969)
var Transform = __webpack_require__(71027)
var aes = __webpack_require__(74497)
var ebtk = __webpack_require__(13048)
var inherits = __webpack_require__(35717)

function Decipher (mode, key, iv) {
  Transform.call(this)

  this._cache = new Splitter()
  this._last = void 0
  this._cipher = new aes.AES(key)
  this._prev = Buffer.from(iv)
  this._mode = mode
  this._autopadding = true
}

inherits(Decipher, Transform)

Decipher.prototype._update = function (data) {
  this._cache.add(data)
  var chunk
  var thing
  var out = []
  while ((chunk = this._cache.get(this._autopadding))) {
    thing = this._mode.decrypt(this, chunk)
    out.push(thing)
  }
  return Buffer.concat(out)
}

Decipher.prototype._final = function () {
  var chunk = this._cache.flush()
  if (this._autopadding) {
    return unpad(this._mode.decrypt(this, chunk))
  } else if (chunk) {
    throw new Error('data not multiple of block length')
  }
}

Decipher.prototype.setAutoPadding = function (setTo) {
  this._autopadding = !!setTo
  return this
}

function Splitter () {
  this.cache = Buffer.allocUnsafe(0)
}

Splitter.prototype.add = function (data) {
  this.cache = Buffer.concat([this.cache, data])
}

Splitter.prototype.get = function (autoPadding) {
  var out
  if (autoPadding) {
    if (this.cache.length > 16) {
      out = this.cache.slice(0, 16)
      this.cache = this.cache.slice(16)
      return out
    }
  } else {
    if (this.cache.length >= 16) {
      out = this.cache.slice(0, 16)
      this.cache = this.cache.slice(16)
      return out
    }
  }

  return null
}

Splitter.prototype.flush = function () {
  if (this.cache.length) return this.cache
}

function unpad (last) {
  var padded = last[15]
  if (padded < 1 || padded > 16) {
    throw new Error('unable to decrypt data')
  }
  var i = -1
  while (++i < padded) {
    if (last[(i + (16 - padded))] !== padded) {
      throw new Error('unable to decrypt data')
    }
  }
  if (padded === 16) return

  return last.slice(0, 16 - padded)
}

function createDecipheriv (suite, password, iv) {
  var config = MODES[suite.toLowerCase()]
  if (!config) throw new TypeError('invalid suite type')

  if (typeof iv === 'string') iv = Buffer.from(iv)
  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)

  if (typeof password === 'string') password = Buffer.from(password)
  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)

  if (config.type === 'stream') {
    return new StreamCipher(config.module, password, iv, true)
  } else if (config.type === 'auth') {
    return new AuthCipher(config.module, password, iv, true)
  }

  return new Decipher(config.module, password, iv)
}

function createDecipher (suite, password) {
  var config = MODES[suite.toLowerCase()]
  if (!config) throw new TypeError('invalid suite type')

  var keys = ebtk(password, false, config.key, config.iv)
  return createDecipheriv(suite, keys.key, keys.iv)
}

exports.createDecipher = createDecipher
exports.createDecipheriv = createDecipheriv


/***/ }),

/***/ 71494:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var MODES = __webpack_require__(45)
var AuthCipher = __webpack_require__(62422)
var Buffer = (__webpack_require__(89509).Buffer)
var StreamCipher = __webpack_require__(25969)
var Transform = __webpack_require__(71027)
var aes = __webpack_require__(74497)
var ebtk = __webpack_require__(13048)
var inherits = __webpack_require__(35717)

function Cipher (mode, key, iv) {
  Transform.call(this)

  this._cache = new Splitter()
  this._cipher = new aes.AES(key)
  this._prev = Buffer.from(iv)
  this._mode = mode
  this._autopadding = true
}

inherits(Cipher, Transform)

Cipher.prototype._update = function (data) {
  this._cache.add(data)
  var chunk
  var thing
  var out = []

  while ((chunk = this._cache.get())) {
    thing = this._mode.encrypt(this, chunk)
    out.push(thing)
  }

  return Buffer.concat(out)
}

var PADDING = Buffer.alloc(16, 0x10)

Cipher.prototype._final = function () {
  var chunk = this._cache.flush()
  if (this._autopadding) {
    chunk = this._mode.encrypt(this, chunk)
    this._cipher.scrub()
    return chunk
  }

  if (!chunk.equals(PADDING)) {
    this._cipher.scrub()
    throw new Error('data not multiple of block length')
  }
}

Cipher.prototype.setAutoPadding = function (setTo) {
  this._autopadding = !!setTo
  return this
}

function Splitter () {
  this.cache = Buffer.allocUnsafe(0)
}

Splitter.prototype.add = function (data) {
  this.cache = Buffer.concat([this.cache, data])
}

Splitter.prototype.get = function () {
  if (this.cache.length > 15) {
    var out = this.cache.slice(0, 16)
    this.cache = this.cache.slice(16)
    return out
  }
  return null
}

Splitter.prototype.flush = function () {
  var len = 16 - this.cache.length
  var padBuff = Buffer.allocUnsafe(len)

  var i = -1
  while (++i < len) {
    padBuff.writeUInt8(len, i)
  }

  return Buffer.concat([this.cache, padBuff])
}

function createCipheriv (suite, password, iv) {
  var config = MODES[suite.toLowerCase()]
  if (!config) throw new TypeError('invalid suite type')

  if (typeof password === 'string') password = Buffer.from(password)
  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)

  if (typeof iv === 'string') iv = Buffer.from(iv)
  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)

  if (config.type === 'stream') {
    return new StreamCipher(config.module, password, iv)
  } else if (config.type === 'auth') {
    return new AuthCipher(config.module, password, iv)
  }

  return new Cipher(config.module, password, iv)
}

function createCipher (suite, password) {
  var config = MODES[suite.toLowerCase()]
  if (!config) throw new TypeError('invalid suite type')

  var keys = ebtk(password, false, config.key, config.iv)
  return createCipheriv(suite, keys.key, keys.iv)
}

exports.createCipheriv = createCipheriv
exports.createCipher = createCipher


/***/ }),

/***/ 83288:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)
var ZEROES = Buffer.alloc(16, 0)

function toArray (buf) {
  return [
    buf.readUInt32BE(0),
    buf.readUInt32BE(4),
    buf.readUInt32BE(8),
    buf.readUInt32BE(12)
  ]
}

function fromArray (out) {
  var buf = Buffer.allocUnsafe(16)
  buf.writeUInt32BE(out[0] >>> 0, 0)
  buf.writeUInt32BE(out[1] >>> 0, 4)
  buf.writeUInt32BE(out[2] >>> 0, 8)
  buf.writeUInt32BE(out[3] >>> 0, 12)
  return buf
}

function GHASH (key) {
  this.h = key
  this.state = Buffer.alloc(16, 0)
  this.cache = Buffer.allocUnsafe(0)
}

// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html
// by Juho Vähä-Herttua
GHASH.prototype.ghash = function (block) {
  var i = -1
  while (++i < block.length) {
    this.state[i] ^= block[i]
  }
  this._multiply()
}

GHASH.prototype._multiply = function () {
  var Vi = toArray(this.h)
  var Zi = [0, 0, 0, 0]
  var j, xi, lsbVi
  var i = -1
  while (++i < 128) {
    xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0
    if (xi) {
      // Z_i+1 = Z_i ^ V_i
      Zi[0] ^= Vi[0]
      Zi[1] ^= Vi[1]
      Zi[2] ^= Vi[2]
      Zi[3] ^= Vi[3]
    }

    // Store the value of LSB(V_i)
    lsbVi = (Vi[3] & 1) !== 0

    // V_i+1 = V_i >> 1
    for (j = 3; j > 0; j--) {
      Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31)
    }
    Vi[0] = Vi[0] >>> 1

    // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R
    if (lsbVi) {
      Vi[0] = Vi[0] ^ (0xe1 << 24)
    }
  }
  this.state = fromArray(Zi)
}

GHASH.prototype.update = function (buf) {
  this.cache = Buffer.concat([this.cache, buf])
  var chunk
  while (this.cache.length >= 16) {
    chunk = this.cache.slice(0, 16)
    this.cache = this.cache.slice(16)
    this.ghash(chunk)
  }
}

GHASH.prototype.final = function (abl, bl) {
  if (this.cache.length) {
    this.ghash(Buffer.concat([this.cache, ZEROES], 16))
  }

  this.ghash(fromArray([0, abl, 0, bl]))
  return this.state
}

module.exports = GHASH


/***/ }),

/***/ 20685:
/***/ ((module) => {

function incr32 (iv) {
  var len = iv.length
  var item
  while (len--) {
    item = iv.readUInt8(len)
    if (item === 255) {
      iv.writeUInt8(0, len)
    } else {
      item++
      iv.writeUInt8(item, len)
      break
    }
  }
}
module.exports = incr32


/***/ }),

/***/ 25292:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var xor = __webpack_require__(67295)

exports.encrypt = function (self, block) {
  var data = xor(block, self._prev)

  self._prev = self._cipher.encryptBlock(data)
  return self._prev
}

exports.decrypt = function (self, block) {
  var pad = self._prev

  self._prev = block
  var out = self._cipher.decryptBlock(block)

  return xor(out, pad)
}


/***/ }),

/***/ 86311:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)
var xor = __webpack_require__(67295)

function encryptStart (self, data, decrypt) {
  var len = data.length
  var out = xor(data, self._cache)
  self._cache = self._cache.slice(len)
  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
  return out
}

exports.encrypt = function (self, data, decrypt) {
  var out = Buffer.allocUnsafe(0)
  var len

  while (data.length) {
    if (self._cache.length === 0) {
      self._cache = self._cipher.encryptBlock(self._prev)
      self._prev = Buffer.allocUnsafe(0)
    }

    if (self._cache.length <= data.length) {
      len = self._cache.length
      out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)])
      data = data.slice(len)
    } else {
      out = Buffer.concat([out, encryptStart(self, data, decrypt)])
      break
    }
  }

  return out
}


/***/ }),

/***/ 21510:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)

function encryptByte (self, byteParam, decrypt) {
  var pad
  var i = -1
  var len = 8
  var out = 0
  var bit, value
  while (++i < len) {
    pad = self._cipher.encryptBlock(self._prev)
    bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0
    value = pad[0] ^ bit
    out += ((value & 0x80) >> (i % 8))
    self._prev = shiftIn(self._prev, decrypt ? bit : value)
  }
  return out
}

function shiftIn (buffer, value) {
  var len = buffer.length
  var i = -1
  var out = Buffer.allocUnsafe(buffer.length)
  buffer = Buffer.concat([buffer, Buffer.from([value])])

  while (++i < len) {
    out[i] = buffer[i] << 1 | buffer[i + 1] >> (7)
  }

  return out
}

exports.encrypt = function (self, chunk, decrypt) {
  var len = chunk.length
  var out = Buffer.allocUnsafe(len)
  var i = -1

  while (++i < len) {
    out[i] = encryptByte(self, chunk[i], decrypt)
  }

  return out
}


/***/ }),

/***/ 71964:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)

function encryptByte (self, byteParam, decrypt) {
  var pad = self._cipher.encryptBlock(self._prev)
  var out = pad[0] ^ byteParam

  self._prev = Buffer.concat([
    self._prev.slice(1),
    Buffer.from([decrypt ? byteParam : out])
  ])

  return out
}

exports.encrypt = function (self, chunk, decrypt) {
  var len = chunk.length
  var out = Buffer.allocUnsafe(len)
  var i = -1

  while (++i < len) {
    out[i] = encryptByte(self, chunk[i], decrypt)
  }

  return out
}


/***/ }),

/***/ 96009:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var xor = __webpack_require__(67295)
var Buffer = (__webpack_require__(89509).Buffer)
var incr32 = __webpack_require__(20685)

function getBlock (self) {
  var out = self._cipher.encryptBlockRaw(self._prev)
  incr32(self._prev)
  return out
}

var blockSize = 16
exports.encrypt = function (self, chunk) {
  var chunkNum = Math.ceil(chunk.length / blockSize)
  var start = self._cache.length
  self._cache = Buffer.concat([
    self._cache,
    Buffer.allocUnsafe(chunkNum * blockSize)
  ])
  for (var i = 0; i < chunkNum; i++) {
    var out = getBlock(self)
    var offset = start + i * blockSize
    self._cache.writeUInt32BE(out[0], offset + 0)
    self._cache.writeUInt32BE(out[1], offset + 4)
    self._cache.writeUInt32BE(out[2], offset + 8)
    self._cache.writeUInt32BE(out[3], offset + 12)
  }
  var pad = self._cache.slice(0, chunk.length)
  self._cache = self._cache.slice(chunk.length)
  return xor(chunk, pad)
}


/***/ }),

/***/ 11084:
/***/ ((__unused_webpack_module, exports) => {

exports.encrypt = function (self, block) {
  return self._cipher.encryptBlock(block)
}

exports.decrypt = function (self, block) {
  return self._cipher.decryptBlock(block)
}


/***/ }),

/***/ 45:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var modeModules = {
  ECB: __webpack_require__(11084),
  CBC: __webpack_require__(25292),
  CFB: __webpack_require__(86311),
  CFB8: __webpack_require__(71964),
  CFB1: __webpack_require__(21510),
  OFB: __webpack_require__(18861),
  CTR: __webpack_require__(96009),
  GCM: __webpack_require__(96009)
}

var modes = __webpack_require__(44946)

for (var key in modes) {
  modes[key].module = modeModules[modes[key].mode]
}

module.exports = modes


/***/ }),

/***/ 18861:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var xor = __webpack_require__(67295)

function getBlock (self) {
  self._prev = self._cipher.encryptBlock(self._prev)
  return self._prev
}

exports.encrypt = function (self, chunk) {
  while (self._cache.length < chunk.length) {
    self._cache = Buffer.concat([self._cache, getBlock(self)])
  }

  var pad = self._cache.slice(0, chunk.length)
  self._cache = self._cache.slice(chunk.length)
  return xor(chunk, pad)
}


/***/ }),

/***/ 25969:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var aes = __webpack_require__(74497)
var Buffer = (__webpack_require__(89509).Buffer)
var Transform = __webpack_require__(71027)
var inherits = __webpack_require__(35717)

function StreamCipher (mode, key, iv, decrypt) {
  Transform.call(this)

  this._cipher = new aes.AES(key)
  this._prev = Buffer.from(iv)
  this._cache = Buffer.allocUnsafe(0)
  this._secCache = Buffer.allocUnsafe(0)
  this._decrypt = decrypt
  this._mode = mode
}

inherits(StreamCipher, Transform)

StreamCipher.prototype._update = function (chunk) {
  return this._mode.encrypt(this, chunk, this._decrypt)
}

StreamCipher.prototype._final = function () {
  this._cipher.scrub()
}

module.exports = StreamCipher


/***/ }),

/***/ 53614:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var DES = __webpack_require__(47667)
var aes = __webpack_require__(44696)
var aesModes = __webpack_require__(45)
var desModes = __webpack_require__(99715)
var ebtk = __webpack_require__(13048)

function createCipher (suite, password) {
  suite = suite.toLowerCase()

  var keyLen, ivLen
  if (aesModes[suite]) {
    keyLen = aesModes[suite].key
    ivLen = aesModes[suite].iv
  } else if (desModes[suite]) {
    keyLen = desModes[suite].key * 8
    ivLen = desModes[suite].iv
  } else {
    throw new TypeError('invalid suite type')
  }

  var keys = ebtk(password, false, keyLen, ivLen)
  return createCipheriv(suite, keys.key, keys.iv)
}

function createDecipher (suite, password) {
  suite = suite.toLowerCase()

  var keyLen, ivLen
  if (aesModes[suite]) {
    keyLen = aesModes[suite].key
    ivLen = aesModes[suite].iv
  } else if (desModes[suite]) {
    keyLen = desModes[suite].key * 8
    ivLen = desModes[suite].iv
  } else {
    throw new TypeError('invalid suite type')
  }

  var keys = ebtk(password, false, keyLen, ivLen)
  return createDecipheriv(suite, keys.key, keys.iv)
}

function createCipheriv (suite, key, iv) {
  suite = suite.toLowerCase()
  if (aesModes[suite]) return aes.createCipheriv(suite, key, iv)
  if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite })

  throw new TypeError('invalid suite type')
}

function createDecipheriv (suite, key, iv) {
  suite = suite.toLowerCase()
  if (aesModes[suite]) return aes.createDecipheriv(suite, key, iv)
  if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite, decrypt: true })

  throw new TypeError('invalid suite type')
}

function getCiphers () {
  return Object.keys(desModes).concat(aes.getCiphers())
}

exports.createCipher = exports.Cipher = createCipher
exports.createCipheriv = exports.Cipheriv = createCipheriv
exports.createDecipher = exports.Decipher = createDecipher
exports.createDecipheriv = exports.Decipheriv = createDecipheriv
exports.listCiphers = exports.getCiphers = getCiphers


/***/ }),

/***/ 47667:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var CipherBase = __webpack_require__(71027)
var des = __webpack_require__(15251)
var inherits = __webpack_require__(35717)
var Buffer = (__webpack_require__(89509).Buffer)

var modes = {
  'des-ede3-cbc': des.CBC.instantiate(des.EDE),
  'des-ede3': des.EDE,
  'des-ede-cbc': des.CBC.instantiate(des.EDE),
  'des-ede': des.EDE,
  'des-cbc': des.CBC.instantiate(des.DES),
  'des-ecb': des.DES
}
modes.des = modes['des-cbc']
modes.des3 = modes['des-ede3-cbc']
module.exports = DES
inherits(DES, CipherBase)
function DES (opts) {
  CipherBase.call(this)
  var modeName = opts.mode.toLowerCase()
  var mode = modes[modeName]
  var type
  if (opts.decrypt) {
    type = 'decrypt'
  } else {
    type = 'encrypt'
  }
  var key = opts.key
  if (!Buffer.isBuffer(key)) {
    key = Buffer.from(key)
  }
  if (modeName === 'des-ede' || modeName === 'des-ede-cbc') {
    key = Buffer.concat([key, key.slice(0, 8)])
  }
  var iv = opts.iv
  if (!Buffer.isBuffer(iv)) {
    iv = Buffer.from(iv)
  }
  this._des = mode.create({
    key: key,
    iv: iv,
    type: type
  })
}
DES.prototype._update = function (data) {
  return Buffer.from(this._des.update(data))
}
DES.prototype._final = function () {
  return Buffer.from(this._des.final())
}


/***/ }),

/***/ 99715:
/***/ ((__unused_webpack_module, exports) => {

exports["des-ecb"] = {
  key: 8,
  iv: 0
}
exports["des-cbc"] = exports.des = {
  key: 8,
  iv: 8
}
exports["des-ede3-cbc"] = exports.des3 = {
  key: 24,
  iv: 8
}
exports["des-ede3"] = {
  key: 24,
  iv: 0
}
exports["des-ede-cbc"] = {
  key: 16,
  iv: 8
}
exports["des-ede"] = {
  key: 16,
  iv: 0
}


/***/ }),

/***/ 23663:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var BN = __webpack_require__(13550)
var randomBytes = __webpack_require__(61798)

function blind (priv) {
  var r = getr(priv)
  var blinder = r.toRed(BN.mont(priv.modulus)).redPow(new BN(priv.publicExponent)).fromRed()
  return { blinder: blinder, unblinder: r.invm(priv.modulus) }
}

function getr (priv) {
  var len = priv.modulus.byteLength()
  var r
  do {
    r = new BN(randomBytes(len))
  } while (r.cmp(priv.modulus) >= 0 || !r.umod(priv.prime1) || !r.umod(priv.prime2))
  return r
}

function crt (msg, priv) {
  var blinds = blind(priv)
  var len = priv.modulus.byteLength()
  var blinded = new BN(msg).mul(blinds.blinder).umod(priv.modulus)
  var c1 = blinded.toRed(BN.mont(priv.prime1))
  var c2 = blinded.toRed(BN.mont(priv.prime2))
  var qinv = priv.coefficient
  var p = priv.prime1
  var q = priv.prime2
  var m1 = c1.redPow(priv.exponent1).fromRed()
  var m2 = c2.redPow(priv.exponent2).fromRed()
  var h = m1.isub(m2).imul(qinv).umod(p).imul(q)
  return m2.iadd(h).imul(blinds.unblinder).umod(priv.modulus).toArrayLike(Buffer, 'be', len)
}
crt.getr = getr

module.exports = crt


/***/ }),

/***/ 56042:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

module.exports = __webpack_require__(75207)


/***/ }),

/***/ 64743:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)
var createHash = __webpack_require__(23482)
var stream = __webpack_require__(88473)
var inherits = __webpack_require__(35717)
var sign = __webpack_require__(82957)
var verify = __webpack_require__(47753)

var algorithms = __webpack_require__(75207)
Object.keys(algorithms).forEach(function (key) {
  algorithms[key].id = Buffer.from(algorithms[key].id, 'hex')
  algorithms[key.toLowerCase()] = algorithms[key]
})

function Sign (algorithm) {
  stream.Writable.call(this)

  var data = algorithms[algorithm]
  if (!data) throw new Error('Unknown message digest')

  this._hashType = data.hash
  this._hash = createHash(data.hash)
  this._tag = data.id
  this._signType = data.sign
}
inherits(Sign, stream.Writable)

Sign.prototype._write = function _write (data, _, done) {
  this._hash.update(data)
  done()
}

Sign.prototype.update = function update (data, enc) {
  if (typeof data === 'string') data = Buffer.from(data, enc)

  this._hash.update(data)
  return this
}

Sign.prototype.sign = function signMethod (key, enc) {
  this.end()
  var hash = this._hash.digest()
  var sig = sign(hash, key, this._hashType, this._signType, this._tag)

  return enc ? sig.toString(enc) : sig
}

function Verify (algorithm) {
  stream.Writable.call(this)

  var data = algorithms[algorithm]
  if (!data) throw new Error('Unknown message digest')

  this._hash = createHash(data.hash)
  this._tag = data.id
  this._signType = data.sign
}
inherits(Verify, stream.Writable)

Verify.prototype._write = function _write (data, _, done) {
  this._hash.update(data)
  done()
}

Verify.prototype.update = function update (data, enc) {
  if (typeof data === 'string') data = Buffer.from(data, enc)

  this._hash.update(data)
  return this
}

Verify.prototype.verify = function verifyMethod (key, sig, enc) {
  if (typeof sig === 'string') sig = Buffer.from(sig, enc)

  this.end()
  var hash = this._hash.digest()
  return verify(sig, hash, key, this._signType, this._tag)
}

function createSign (algorithm) {
  return new Sign(algorithm)
}

function createVerify (algorithm) {
  return new Verify(algorithm)
}

module.exports = {
  Sign: createSign,
  Verify: createVerify,
  createSign: createSign,
  createVerify: createVerify
}


/***/ }),

/***/ 82957:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
var Buffer = (__webpack_require__(89509).Buffer)
var createHmac = __webpack_require__(58355)
var crt = __webpack_require__(23663)
var EC = (__webpack_require__(86266).ec)
var BN = __webpack_require__(13550)
var parseKeys = __webpack_require__(70980)
var curves = __webpack_require__(1308)

function sign (hash, key, hashType, signType, tag) {
  var priv = parseKeys(key)
  if (priv.curve) {
    // rsa keys can be interpreted as ecdsa ones in openssl
    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
    return ecSign(hash, priv)
  } else if (priv.type === 'dsa') {
    if (signType !== 'dsa') throw new Error('wrong private key type')
    return dsaSign(hash, priv, hashType)
  } else {
    if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
  }
  hash = Buffer.concat([tag, hash])
  var len = priv.modulus.byteLength()
  var pad = [0, 1]
  while (hash.length + pad.length + 1 < len) pad.push(0xff)
  pad.push(0x00)
  var i = -1
  while (++i < hash.length) pad.push(hash[i])

  var out = crt(pad, priv)
  return out
}

function ecSign (hash, priv) {
  var curveId = curves[priv.curve.join('.')]
  if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.'))

  var curve = new EC(curveId)
  var key = curve.keyFromPrivate(priv.privateKey)
  var out = key.sign(hash)

  return Buffer.from(out.toDER())
}

function dsaSign (hash, priv, algo) {
  var x = priv.params.priv_key
  var p = priv.params.p
  var q = priv.params.q
  var g = priv.params.g
  var r = new BN(0)
  var k
  var H = bits2int(hash, q).mod(q)
  var s = false
  var kv = getKey(x, q, hash, algo)
  while (s === false) {
    k = makeKey(q, kv, algo)
    r = makeR(g, k, p, q)
    s = k.invm(q).imul(H.add(x.mul(r))).mod(q)
    if (s.cmpn(0) === 0) {
      s = false
      r = new BN(0)
    }
  }
  return toDER(r, s)
}

function toDER (r, s) {
  r = r.toArray()
  s = s.toArray()

  // Pad values
  if (r[0] & 0x80) r = [0].concat(r)
  if (s[0] & 0x80) s = [0].concat(s)

  var total = r.length + s.length + 4
  var res = [0x30, total, 0x02, r.length]
  res = res.concat(r, [0x02, s.length], s)
  return Buffer.from(res)
}

function getKey (x, q, hash, algo) {
  x = Buffer.from(x.toArray())
  if (x.length < q.byteLength()) {
    var zeros = Buffer.alloc(q.byteLength() - x.length)
    x = Buffer.concat([zeros, x])
  }
  var hlen = hash.length
  var hbits = bits2octets(hash, q)
  var v = Buffer.alloc(hlen)
  v.fill(1)
  var k = Buffer.alloc(hlen)
  k = createHmac(algo, k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest()
  v = createHmac(algo, k).update(v).digest()
  k = createHmac(algo, k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest()
  v = createHmac(algo, k).update(v).digest()
  return { k: k, v: v }
}

function bits2int (obits, q) {
  var bits = new BN(obits)
  var shift = (obits.length << 3) - q.bitLength()
  if (shift > 0) bits.ishrn(shift)
  return bits
}

function bits2octets (bits, q) {
  bits = bits2int(bits, q)
  bits = bits.mod(q)
  var out = Buffer.from(bits.toArray())
  if (out.length < q.byteLength()) {
    var zeros = Buffer.alloc(q.byteLength() - out.length)
    out = Buffer.concat([zeros, out])
  }
  return out
}

function makeKey (q, kv, algo) {
  var t
  var k

  do {
    t = Buffer.alloc(0)

    while (t.length * 8 < q.bitLength()) {
      kv.v = createHmac(algo, kv.k).update(kv.v).digest()
      t = Buffer.concat([t, kv.v])
    }

    k = bits2int(t, q)
    kv.k = createHmac(algo, kv.k).update(kv.v).update(Buffer.from([0])).digest()
    kv.v = createHmac(algo, kv.k).update(kv.v).digest()
  } while (k.cmp(q) !== -1)

  return k
}

function makeR (g, k, p, q) {
  return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)
}

module.exports = sign
module.exports.getKey = getKey
module.exports.makeKey = makeKey


/***/ }),

/***/ 47753:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
var Buffer = (__webpack_require__(89509).Buffer)
var BN = __webpack_require__(13550)
var EC = (__webpack_require__(86266).ec)
var parseKeys = __webpack_require__(70980)
var curves = __webpack_require__(1308)

function verify (sig, hash, key, signType, tag) {
  var pub = parseKeys(key)
  if (pub.type === 'ec') {
    // rsa keys can be interpreted as ecdsa ones in openssl
    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type')
    return ecVerify(sig, hash, pub)
  } else if (pub.type === 'dsa') {
    if (signType !== 'dsa') throw new Error('wrong public key type')
    return dsaVerify(sig, hash, pub)
  } else {
    if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type')
  }
  hash = Buffer.concat([tag, hash])
  var len = pub.modulus.byteLength()
  var pad = [1]
  var padNum = 0
  while (hash.length + pad.length + 2 < len) {
    pad.push(0xff)
    padNum++
  }
  pad.push(0x00)
  var i = -1
  while (++i < hash.length) {
    pad.push(hash[i])
  }
  pad = Buffer.from(pad)
  var red = BN.mont(pub.modulus)
  sig = new BN(sig).toRed(red)

  sig = sig.redPow(new BN(pub.publicExponent))
  sig = Buffer.from(sig.fromRed().toArray())
  var out = padNum < 8 ? 1 : 0
  len = Math.min(sig.length, pad.length)
  if (sig.length !== pad.length) out = 1

  i = -1
  while (++i < len) out |= sig[i] ^ pad[i]
  return out === 0
}

function ecVerify (sig, hash, pub) {
  var curveId = curves[pub.data.algorithm.curve.join('.')]
  if (!curveId) throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.'))

  var curve = new EC(curveId)
  var pubkey = pub.data.subjectPrivateKey.data

  return curve.verify(hash, sig, pubkey)
}

function dsaVerify (sig, hash, pub) {
  var p = pub.data.p
  var q = pub.data.q
  var g = pub.data.g
  var y = pub.data.pub_key
  var unpacked = parseKeys.signature.decode(sig, 'der')
  var s = unpacked.s
  var r = unpacked.r
  checkValue(s, q)
  checkValue(r, q)
  var montp = BN.mont(p)
  var w = s.invm(q)
  var v = g.toRed(montp)
    .redPow(new BN(hash).mul(w).mod(q))
    .fromRed()
    .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed())
    .mod(p)
    .mod(q)
  return v.cmp(r) === 0
}

function checkValue (b, q) {
  if (b.cmpn(0) <= 0) throw new Error('invalid sig')
  if (b.cmp(q) >= q) throw new Error('invalid sig')
}

module.exports = verify


/***/ }),

/***/ 74505:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
/* provided dependency */ var process = __webpack_require__(34155);

/* eslint camelcase: "off" */

var assert = __webpack_require__(69282);

var Zstream = __webpack_require__(54860);
var zlib_deflate = __webpack_require__(42233);
var zlib_inflate = __webpack_require__(23001);
var constants = __webpack_require__(77162);

for (var key in constants) {
  exports[key] = constants[key];
}

// zlib modes
exports.NONE = 0;
exports.DEFLATE = 1;
exports.INFLATE = 2;
exports.GZIP = 3;
exports.GUNZIP = 4;
exports.DEFLATERAW = 5;
exports.INFLATERAW = 6;
exports.UNZIP = 7;

var GZIP_HEADER_ID1 = 0x1f;
var GZIP_HEADER_ID2 = 0x8b;

/**
 * Emulate Node's zlib C++ layer for use by the JS layer in index.js
 */
function Zlib(mode) {
  if (typeof mode !== 'number' || mode < exports.DEFLATE || mode > exports.UNZIP) {
    throw new TypeError('Bad argument');
  }

  this.dictionary = null;
  this.err = 0;
  this.flush = 0;
  this.init_done = false;
  this.level = 0;
  this.memLevel = 0;
  this.mode = mode;
  this.strategy = 0;
  this.windowBits = 0;
  this.write_in_progress = false;
  this.pending_close = false;
  this.gzip_id_bytes_read = 0;
}

Zlib.prototype.close = function () {
  if (this.write_in_progress) {
    this.pending_close = true;
    return;
  }

  this.pending_close = false;

  assert(this.init_done, 'close before init');
  assert(this.mode <= exports.UNZIP);

  if (this.mode === exports.DEFLATE || this.mode === exports.GZIP || this.mode === exports.DEFLATERAW) {
    zlib_deflate.deflateEnd(this.strm);
  } else if (this.mode === exports.INFLATE || this.mode === exports.GUNZIP || this.mode === exports.INFLATERAW || this.mode === exports.UNZIP) {
    zlib_inflate.inflateEnd(this.strm);
  }

  this.mode = exports.NONE;

  this.dictionary = null;
};

Zlib.prototype.write = function (flush, input, in_off, in_len, out, out_off, out_len) {
  return this._write(true, flush, input, in_off, in_len, out, out_off, out_len);
};

Zlib.prototype.writeSync = function (flush, input, in_off, in_len, out, out_off, out_len) {
  return this._write(false, flush, input, in_off, in_len, out, out_off, out_len);
};

Zlib.prototype._write = function (async, flush, input, in_off, in_len, out, out_off, out_len) {
  assert.equal(arguments.length, 8);

  assert(this.init_done, 'write before init');
  assert(this.mode !== exports.NONE, 'already finalized');
  assert.equal(false, this.write_in_progress, 'write already in progress');
  assert.equal(false, this.pending_close, 'close is pending');

  this.write_in_progress = true;

  assert.equal(false, flush === undefined, 'must provide flush value');

  this.write_in_progress = true;

  if (flush !== exports.Z_NO_FLUSH && flush !== exports.Z_PARTIAL_FLUSH && flush !== exports.Z_SYNC_FLUSH && flush !== exports.Z_FULL_FLUSH && flush !== exports.Z_FINISH && flush !== exports.Z_BLOCK) {
    throw new Error('Invalid flush value');
  }

  if (input == null) {
    input = Buffer.alloc(0);
    in_len = 0;
    in_off = 0;
  }

  this.strm.avail_in = in_len;
  this.strm.input = input;
  this.strm.next_in = in_off;
  this.strm.avail_out = out_len;
  this.strm.output = out;
  this.strm.next_out = out_off;
  this.flush = flush;

  if (!async) {
    // sync version
    this._process();

    if (this._checkError()) {
      return this._afterSync();
    }
    return;
  }

  // async version
  var self = this;
  process.nextTick(function () {
    self._process();
    self._after();
  });

  return this;
};

Zlib.prototype._afterSync = function () {
  var avail_out = this.strm.avail_out;
  var avail_in = this.strm.avail_in;

  this.write_in_progress = false;

  return [avail_in, avail_out];
};

Zlib.prototype._process = function () {
  var next_expected_header_byte = null;

  // If the avail_out is left at 0, then it means that it ran out
  // of room.  If there was avail_out left over, then it means
  // that all of the input was consumed.
  switch (this.mode) {
    case exports.DEFLATE:
    case exports.GZIP:
    case exports.DEFLATERAW:
      this.err = zlib_deflate.deflate(this.strm, this.flush);
      break;
    case exports.UNZIP:
      if (this.strm.avail_in > 0) {
        next_expected_header_byte = this.strm.next_in;
      }

      switch (this.gzip_id_bytes_read) {
        case 0:
          if (next_expected_header_byte === null) {
            break;
          }

          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID1) {
            this.gzip_id_bytes_read = 1;
            next_expected_header_byte++;

            if (this.strm.avail_in === 1) {
              // The only available byte was already read.
              break;
            }
          } else {
            this.mode = exports.INFLATE;
            break;
          }

        // fallthrough
        case 1:
          if (next_expected_header_byte === null) {
            break;
          }

          if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID2) {
            this.gzip_id_bytes_read = 2;
            this.mode = exports.GUNZIP;
          } else {
            // There is no actual difference between INFLATE and INFLATERAW
            // (after initialization).
            this.mode = exports.INFLATE;
          }

          break;
        default:
          throw new Error('invalid number of gzip magic number bytes read');
      }

    // fallthrough
    case exports.INFLATE:
    case exports.GUNZIP:
    case exports.INFLATERAW:
      this.err = zlib_inflate.inflate(this.strm, this.flush

      // If data was encoded with dictionary
      );if (this.err === exports.Z_NEED_DICT && this.dictionary) {
        // Load it
        this.err = zlib_inflate.inflateSetDictionary(this.strm, this.dictionary);
        if (this.err === exports.Z_OK) {
          // And try to decode again
          this.err = zlib_inflate.inflate(this.strm, this.flush);
        } else if (this.err === exports.Z_DATA_ERROR) {
          // Both inflateSetDictionary() and inflate() return Z_DATA_ERROR.
          // Make it possible for After() to tell a bad dictionary from bad
          // input.
          this.err = exports.Z_NEED_DICT;
        }
      }
      while (this.strm.avail_in > 0 && this.mode === exports.GUNZIP && this.err === exports.Z_STREAM_END && this.strm.next_in[0] !== 0x00) {
        // Bytes remain in input buffer. Perhaps this is another compressed
        // member in the same archive, or just trailing garbage.
        // Trailing zero bytes are okay, though, since they are frequently
        // used for padding.

        this.reset();
        this.err = zlib_inflate.inflate(this.strm, this.flush);
      }
      break;
    default:
      throw new Error('Unknown mode ' + this.mode);
  }
};

Zlib.prototype._checkError = function () {
  // Acceptable error states depend on the type of zlib stream.
  switch (this.err) {
    case exports.Z_OK:
    case exports.Z_BUF_ERROR:
      if (this.strm.avail_out !== 0 && this.flush === exports.Z_FINISH) {
        this._error('unexpected end of file');
        return false;
      }
      break;
    case exports.Z_STREAM_END:
      // normal statuses, not fatal
      break;
    case exports.Z_NEED_DICT:
      if (this.dictionary == null) {
        this._error('Missing dictionary');
      } else {
        this._error('Bad dictionary');
      }
      return false;
    default:
      // something else.
      this._error('Zlib error');
      return false;
  }

  return true;
};

Zlib.prototype._after = function () {
  if (!this._checkError()) {
    return;
  }

  var avail_out = this.strm.avail_out;
  var avail_in = this.strm.avail_in;

  this.write_in_progress = false;

  // call the write() cb
  this.callback(avail_in, avail_out);

  if (this.pending_close) {
    this.close();
  }
};

Zlib.prototype._error = function (message) {
  if (this.strm.msg) {
    message = this.strm.msg;
  }
  this.onerror(message, this.err

  // no hope of rescue.
  );this.write_in_progress = false;
  if (this.pending_close) {
    this.close();
  }
};

Zlib.prototype.init = function (windowBits, level, memLevel, strategy, dictionary) {
  assert(arguments.length === 4 || arguments.length === 5, 'init(windowBits, level, memLevel, strategy, [dictionary])');

  assert(windowBits >= 8 && windowBits <= 15, 'invalid windowBits');
  assert(level >= -1 && level <= 9, 'invalid compression level');

  assert(memLevel >= 1 && memLevel <= 9, 'invalid memlevel');

  assert(strategy === exports.Z_FILTERED || strategy === exports.Z_HUFFMAN_ONLY || strategy === exports.Z_RLE || strategy === exports.Z_FIXED || strategy === exports.Z_DEFAULT_STRATEGY, 'invalid strategy');

  this._init(level, windowBits, memLevel, strategy, dictionary);
  this._setDictionary();
};

Zlib.prototype.params = function () {
  throw new Error('deflateParams Not supported');
};

Zlib.prototype.reset = function () {
  this._reset();
  this._setDictionary();
};

Zlib.prototype._init = function (level, windowBits, memLevel, strategy, dictionary) {
  this.level = level;
  this.windowBits = windowBits;
  this.memLevel = memLevel;
  this.strategy = strategy;

  this.flush = exports.Z_NO_FLUSH;

  this.err = exports.Z_OK;

  if (this.mode === exports.GZIP || this.mode === exports.GUNZIP) {
    this.windowBits += 16;
  }

  if (this.mode === exports.UNZIP) {
    this.windowBits += 32;
  }

  if (this.mode === exports.DEFLATERAW || this.mode === exports.INFLATERAW) {
    this.windowBits = -1 * this.windowBits;
  }

  this.strm = new Zstream();

  switch (this.mode) {
    case exports.DEFLATE:
    case exports.GZIP:
    case exports.DEFLATERAW:
      this.err = zlib_deflate.deflateInit2(this.strm, this.level, exports.Z_DEFLATED, this.windowBits, this.memLevel, this.strategy);
      break;
    case exports.INFLATE:
    case exports.GUNZIP:
    case exports.INFLATERAW:
    case exports.UNZIP:
      this.err = zlib_inflate.inflateInit2(this.strm, this.windowBits);
      break;
    default:
      throw new Error('Unknown mode ' + this.mode);
  }

  if (this.err !== exports.Z_OK) {
    this._error('Init error');
  }

  this.dictionary = dictionary;

  this.write_in_progress = false;
  this.init_done = true;
};

Zlib.prototype._setDictionary = function () {
  if (this.dictionary == null) {
    return;
  }

  this.err = exports.Z_OK;

  switch (this.mode) {
    case exports.DEFLATE:
    case exports.DEFLATERAW:
      this.err = zlib_deflate.deflateSetDictionary(this.strm, this.dictionary);
      break;
    default:
      break;
  }

  if (this.err !== exports.Z_OK) {
    this._error('Failed to set dictionary');
  }
};

Zlib.prototype._reset = function () {
  this.err = exports.Z_OK;

  switch (this.mode) {
    case exports.DEFLATE:
    case exports.DEFLATERAW:
    case exports.GZIP:
      this.err = zlib_deflate.deflateReset(this.strm);
      break;
    case exports.INFLATE:
    case exports.INFLATERAW:
    case exports.GUNZIP:
      this.err = zlib_inflate.inflateReset(this.strm);
      break;
    default:
      break;
  }

  if (this.err !== exports.Z_OK) {
    this._error('Failed to reset stream');
  }
};

exports.Zlib = Zlib;

/***/ }),

/***/ 42635:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);


var Buffer = (__webpack_require__(48764).Buffer);
var Transform = (__webpack_require__(42830).Transform);
var binding = __webpack_require__(74505);
var util = __webpack_require__(89539);
var assert = (__webpack_require__(69282).ok);
var kMaxLength = (__webpack_require__(48764).kMaxLength);
var kRangeErrorMessage = 'Cannot create final Buffer. It would be larger ' + 'than 0x' + kMaxLength.toString(16) + ' bytes';

// zlib doesn't provide these, so kludge them in following the same
// const naming scheme zlib uses.
binding.Z_MIN_WINDOWBITS = 8;
binding.Z_MAX_WINDOWBITS = 15;
binding.Z_DEFAULT_WINDOWBITS = 15;

// fewer than 64 bytes per chunk is stupid.
// technically it could work with as few as 8, but even 64 bytes
// is absurdly low.  Usually a MB or more is best.
binding.Z_MIN_CHUNK = 64;
binding.Z_MAX_CHUNK = Infinity;
binding.Z_DEFAULT_CHUNK = 16 * 1024;

binding.Z_MIN_MEMLEVEL = 1;
binding.Z_MAX_MEMLEVEL = 9;
binding.Z_DEFAULT_MEMLEVEL = 8;

binding.Z_MIN_LEVEL = -1;
binding.Z_MAX_LEVEL = 9;
binding.Z_DEFAULT_LEVEL = binding.Z_DEFAULT_COMPRESSION;

// expose all the zlib constants
var bkeys = Object.keys(binding);
for (var bk = 0; bk < bkeys.length; bk++) {
  var bkey = bkeys[bk];
  if (bkey.match(/^Z/)) {
    Object.defineProperty(exports, bkey, {
      enumerable: true, value: binding[bkey], writable: false
    });
  }
}

// translation table for return codes.
var codes = {
  Z_OK: binding.Z_OK,
  Z_STREAM_END: binding.Z_STREAM_END,
  Z_NEED_DICT: binding.Z_NEED_DICT,
  Z_ERRNO: binding.Z_ERRNO,
  Z_STREAM_ERROR: binding.Z_STREAM_ERROR,
  Z_DATA_ERROR: binding.Z_DATA_ERROR,
  Z_MEM_ERROR: binding.Z_MEM_ERROR,
  Z_BUF_ERROR: binding.Z_BUF_ERROR,
  Z_VERSION_ERROR: binding.Z_VERSION_ERROR
};

var ckeys = Object.keys(codes);
for (var ck = 0; ck < ckeys.length; ck++) {
  var ckey = ckeys[ck];
  codes[codes[ckey]] = ckey;
}

Object.defineProperty(exports, "codes", ({
  enumerable: true, value: Object.freeze(codes), writable: false
}));

exports.Deflate = Deflate;
exports.Inflate = Inflate;
exports.Gzip = Gzip;
exports.Gunzip = Gunzip;
exports.DeflateRaw = DeflateRaw;
exports.InflateRaw = InflateRaw;
exports.Unzip = Unzip;

exports.createDeflate = function (o) {
  return new Deflate(o);
};

exports.createInflate = function (o) {
  return new Inflate(o);
};

exports.createDeflateRaw = function (o) {
  return new DeflateRaw(o);
};

exports.createInflateRaw = function (o) {
  return new InflateRaw(o);
};

exports.createGzip = function (o) {
  return new Gzip(o);
};

exports.createGunzip = function (o) {
  return new Gunzip(o);
};

exports.createUnzip = function (o) {
  return new Unzip(o);
};

// Convenience methods.
// compress/decompress a string or buffer in one step.
exports.deflate = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new Deflate(opts), buffer, callback);
};

exports.deflateSync = function (buffer, opts) {
  return zlibBufferSync(new Deflate(opts), buffer);
};

exports.gzip = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new Gzip(opts), buffer, callback);
};

exports.gzipSync = function (buffer, opts) {
  return zlibBufferSync(new Gzip(opts), buffer);
};

exports.deflateRaw = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new DeflateRaw(opts), buffer, callback);
};

exports.deflateRawSync = function (buffer, opts) {
  return zlibBufferSync(new DeflateRaw(opts), buffer);
};

exports.unzip = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new Unzip(opts), buffer, callback);
};

exports.unzipSync = function (buffer, opts) {
  return zlibBufferSync(new Unzip(opts), buffer);
};

exports.inflate = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new Inflate(opts), buffer, callback);
};

exports.inflateSync = function (buffer, opts) {
  return zlibBufferSync(new Inflate(opts), buffer);
};

exports.gunzip = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new Gunzip(opts), buffer, callback);
};

exports.gunzipSync = function (buffer, opts) {
  return zlibBufferSync(new Gunzip(opts), buffer);
};

exports.inflateRaw = function (buffer, opts, callback) {
  if (typeof opts === 'function') {
    callback = opts;
    opts = {};
  }
  return zlibBuffer(new InflateRaw(opts), buffer, callback);
};

exports.inflateRawSync = function (buffer, opts) {
  return zlibBufferSync(new InflateRaw(opts), buffer);
};

function zlibBuffer(engine, buffer, callback) {
  var buffers = [];
  var nread = 0;

  engine.on('error', onError);
  engine.on('end', onEnd);

  engine.end(buffer);
  flow();

  function flow() {
    var chunk;
    while (null !== (chunk = engine.read())) {
      buffers.push(chunk);
      nread += chunk.length;
    }
    engine.once('readable', flow);
  }

  function onError(err) {
    engine.removeListener('end', onEnd);
    engine.removeListener('readable', flow);
    callback(err);
  }

  function onEnd() {
    var buf;
    var err = null;

    if (nread >= kMaxLength) {
      err = new RangeError(kRangeErrorMessage);
    } else {
      buf = Buffer.concat(buffers, nread);
    }

    buffers = [];
    engine.close();
    callback(err, buf);
  }
}

function zlibBufferSync(engine, buffer) {
  if (typeof buffer === 'string') buffer = Buffer.from(buffer);

  if (!Buffer.isBuffer(buffer)) throw new TypeError('Not a string or buffer');

  var flushFlag = engine._finishFlushFlag;

  return engine._processChunk(buffer, flushFlag);
}

// generic zlib
// minimal 2-byte header
function Deflate(opts) {
  if (!(this instanceof Deflate)) return new Deflate(opts);
  Zlib.call(this, opts, binding.DEFLATE);
}

function Inflate(opts) {
  if (!(this instanceof Inflate)) return new Inflate(opts);
  Zlib.call(this, opts, binding.INFLATE);
}

// gzip - bigger header, same deflate compression
function Gzip(opts) {
  if (!(this instanceof Gzip)) return new Gzip(opts);
  Zlib.call(this, opts, binding.GZIP);
}

function Gunzip(opts) {
  if (!(this instanceof Gunzip)) return new Gunzip(opts);
  Zlib.call(this, opts, binding.GUNZIP);
}

// raw - no header
function DeflateRaw(opts) {
  if (!(this instanceof DeflateRaw)) return new DeflateRaw(opts);
  Zlib.call(this, opts, binding.DEFLATERAW);
}

function InflateRaw(opts) {
  if (!(this instanceof InflateRaw)) return new InflateRaw(opts);
  Zlib.call(this, opts, binding.INFLATERAW);
}

// auto-detect header.
function Unzip(opts) {
  if (!(this instanceof Unzip)) return new Unzip(opts);
  Zlib.call(this, opts, binding.UNZIP);
}

function isValidFlushFlag(flag) {
  return flag === binding.Z_NO_FLUSH || flag === binding.Z_PARTIAL_FLUSH || flag === binding.Z_SYNC_FLUSH || flag === binding.Z_FULL_FLUSH || flag === binding.Z_FINISH || flag === binding.Z_BLOCK;
}

// the Zlib class they all inherit from
// This thing manages the queue of requests, and returns
// true or false if there is anything in the queue when
// you call the .write() method.

function Zlib(opts, mode) {
  var _this = this;

  this._opts = opts = opts || {};
  this._chunkSize = opts.chunkSize || exports.Z_DEFAULT_CHUNK;

  Transform.call(this, opts);

  if (opts.flush && !isValidFlushFlag(opts.flush)) {
    throw new Error('Invalid flush flag: ' + opts.flush);
  }
  if (opts.finishFlush && !isValidFlushFlag(opts.finishFlush)) {
    throw new Error('Invalid flush flag: ' + opts.finishFlush);
  }

  this._flushFlag = opts.flush || binding.Z_NO_FLUSH;
  this._finishFlushFlag = typeof opts.finishFlush !== 'undefined' ? opts.finishFlush : binding.Z_FINISH;

  if (opts.chunkSize) {
    if (opts.chunkSize < exports.Z_MIN_CHUNK || opts.chunkSize > exports.Z_MAX_CHUNK) {
      throw new Error('Invalid chunk size: ' + opts.chunkSize);
    }
  }

  if (opts.windowBits) {
    if (opts.windowBits < exports.Z_MIN_WINDOWBITS || opts.windowBits > exports.Z_MAX_WINDOWBITS) {
      throw new Error('Invalid windowBits: ' + opts.windowBits);
    }
  }

  if (opts.level) {
    if (opts.level < exports.Z_MIN_LEVEL || opts.level > exports.Z_MAX_LEVEL) {
      throw new Error('Invalid compression level: ' + opts.level);
    }
  }

  if (opts.memLevel) {
    if (opts.memLevel < exports.Z_MIN_MEMLEVEL || opts.memLevel > exports.Z_MAX_MEMLEVEL) {
      throw new Error('Invalid memLevel: ' + opts.memLevel);
    }
  }

  if (opts.strategy) {
    if (opts.strategy != exports.Z_FILTERED && opts.strategy != exports.Z_HUFFMAN_ONLY && opts.strategy != exports.Z_RLE && opts.strategy != exports.Z_FIXED && opts.strategy != exports.Z_DEFAULT_STRATEGY) {
      throw new Error('Invalid strategy: ' + opts.strategy);
    }
  }

  if (opts.dictionary) {
    if (!Buffer.isBuffer(opts.dictionary)) {
      throw new Error('Invalid dictionary: it should be a Buffer instance');
    }
  }

  this._handle = new binding.Zlib(mode);

  var self = this;
  this._hadError = false;
  this._handle.onerror = function (message, errno) {
    // there is no way to cleanly recover.
    // continuing only obscures problems.
    _close(self);
    self._hadError = true;

    var error = new Error(message);
    error.errno = errno;
    error.code = exports.codes[errno];
    self.emit('error', error);
  };

  var level = exports.Z_DEFAULT_COMPRESSION;
  if (typeof opts.level === 'number') level = opts.level;

  var strategy = exports.Z_DEFAULT_STRATEGY;
  if (typeof opts.strategy === 'number') strategy = opts.strategy;

  this._handle.init(opts.windowBits || exports.Z_DEFAULT_WINDOWBITS, level, opts.memLevel || exports.Z_DEFAULT_MEMLEVEL, strategy, opts.dictionary);

  this._buffer = Buffer.allocUnsafe(this._chunkSize);
  this._offset = 0;
  this._level = level;
  this._strategy = strategy;

  this.once('end', this.close);

  Object.defineProperty(this, '_closed', {
    get: function () {
      return !_this._handle;
    },
    configurable: true,
    enumerable: true
  });
}

util.inherits(Zlib, Transform);

Zlib.prototype.params = function (level, strategy, callback) {
  if (level < exports.Z_MIN_LEVEL || level > exports.Z_MAX_LEVEL) {
    throw new RangeError('Invalid compression level: ' + level);
  }
  if (strategy != exports.Z_FILTERED && strategy != exports.Z_HUFFMAN_ONLY && strategy != exports.Z_RLE && strategy != exports.Z_FIXED && strategy != exports.Z_DEFAULT_STRATEGY) {
    throw new TypeError('Invalid strategy: ' + strategy);
  }

  if (this._level !== level || this._strategy !== strategy) {
    var self = this;
    this.flush(binding.Z_SYNC_FLUSH, function () {
      assert(self._handle, 'zlib binding closed');
      self._handle.params(level, strategy);
      if (!self._hadError) {
        self._level = level;
        self._strategy = strategy;
        if (callback) callback();
      }
    });
  } else {
    process.nextTick(callback);
  }
};

Zlib.prototype.reset = function () {
  assert(this._handle, 'zlib binding closed');
  return this._handle.reset();
};

// This is the _flush function called by the transform class,
// internally, when the last chunk has been written.
Zlib.prototype._flush = function (callback) {
  this._transform(Buffer.alloc(0), '', callback);
};

Zlib.prototype.flush = function (kind, callback) {
  var _this2 = this;

  var ws = this._writableState;

  if (typeof kind === 'function' || kind === undefined && !callback) {
    callback = kind;
    kind = binding.Z_FULL_FLUSH;
  }

  if (ws.ended) {
    if (callback) process.nextTick(callback);
  } else if (ws.ending) {
    if (callback) this.once('end', callback);
  } else if (ws.needDrain) {
    if (callback) {
      this.once('drain', function () {
        return _this2.flush(kind, callback);
      });
    }
  } else {
    this._flushFlag = kind;
    this.write(Buffer.alloc(0), '', callback);
  }
};

Zlib.prototype.close = function (callback) {
  _close(this, callback);
  process.nextTick(emitCloseNT, this);
};

function _close(engine, callback) {
  if (callback) process.nextTick(callback);

  // Caller may invoke .close after a zlib error (which will null _handle).
  if (!engine._handle) return;

  engine._handle.close();
  engine._handle = null;
}

function emitCloseNT(self) {
  self.emit('close');
}

Zlib.prototype._transform = function (chunk, encoding, cb) {
  var flushFlag;
  var ws = this._writableState;
  var ending = ws.ending || ws.ended;
  var last = ending && (!chunk || ws.length === chunk.length);

  if (chunk !== null && !Buffer.isBuffer(chunk)) return cb(new Error('invalid input'));

  if (!this._handle) return cb(new Error('zlib binding closed'));

  // If it's the last chunk, or a final flush, we use the Z_FINISH flush flag
  // (or whatever flag was provided using opts.finishFlush).
  // If it's explicitly flushing at some other time, then we use
  // Z_FULL_FLUSH. Otherwise, use Z_NO_FLUSH for maximum compression
  // goodness.
  if (last) flushFlag = this._finishFlushFlag;else {
    flushFlag = this._flushFlag;
    // once we've flushed the last of the queue, stop flushing and
    // go back to the normal behavior.
    if (chunk.length >= ws.length) {
      this._flushFlag = this._opts.flush || binding.Z_NO_FLUSH;
    }
  }

  this._processChunk(chunk, flushFlag, cb);
};

Zlib.prototype._processChunk = function (chunk, flushFlag, cb) {
  var availInBefore = chunk && chunk.length;
  var availOutBefore = this._chunkSize - this._offset;
  var inOff = 0;

  var self = this;

  var async = typeof cb === 'function';

  if (!async) {
    var buffers = [];
    var nread = 0;

    var error;
    this.on('error', function (er) {
      error = er;
    });

    assert(this._handle, 'zlib binding closed');
    do {
      var res = this._handle.writeSync(flushFlag, chunk, // in
      inOff, // in_off
      availInBefore, // in_len
      this._buffer, // out
      this._offset, //out_off
      availOutBefore); // out_len
    } while (!this._hadError && callback(res[0], res[1]));

    if (this._hadError) {
      throw error;
    }

    if (nread >= kMaxLength) {
      _close(this);
      throw new RangeError(kRangeErrorMessage);
    }

    var buf = Buffer.concat(buffers, nread);
    _close(this);

    return buf;
  }

  assert(this._handle, 'zlib binding closed');
  var req = this._handle.write(flushFlag, chunk, // in
  inOff, // in_off
  availInBefore, // in_len
  this._buffer, // out
  this._offset, //out_off
  availOutBefore); // out_len

  req.buffer = chunk;
  req.callback = callback;

  function callback(availInAfter, availOutAfter) {
    // When the callback is used in an async write, the callback's
    // context is the `req` object that was created. The req object
    // is === this._handle, and that's why it's important to null
    // out the values after they are done being used. `this._handle`
    // can stay in memory longer than the callback and buffer are needed.
    if (this) {
      this.buffer = null;
      this.callback = null;
    }

    if (self._hadError) return;

    var have = availOutBefore - availOutAfter;
    assert(have >= 0, 'have should not go down');

    if (have > 0) {
      var out = self._buffer.slice(self._offset, self._offset + have);
      self._offset += have;
      // serve some output to the consumer.
      if (async) {
        self.push(out);
      } else {
        buffers.push(out);
        nread += out.length;
      }
    }

    // exhausted the output buffer, or used all the input create a new one.
    if (availOutAfter === 0 || self._offset >= self._chunkSize) {
      availOutBefore = self._chunkSize;
      self._offset = 0;
      self._buffer = Buffer.allocUnsafe(self._chunkSize);
    }

    if (availOutAfter === 0) {
      // Not actually done.  Need to reprocess.
      // Also, update the availInBefore to the availInAfter value,
      // so that if we have to hit it a third (fourth, etc.) time,
      // it'll have the correct byte counts.
      inOff += availInBefore - availInAfter;
      availInBefore = availInAfter;

      if (!async) return true;

      var newReq = self._handle.write(flushFlag, chunk, inOff, availInBefore, self._buffer, self._offset, self._chunkSize);
      newReq.callback = callback; // this same function
      newReq.buffer = chunk;
      return;
    }

    if (!async) return false;

    // finished with the chunk.
    cb();
  }
};

util.inherits(Deflate, Zlib);
util.inherits(Inflate, Zlib);
util.inherits(Gzip, Zlib);
util.inherits(Gunzip, Zlib);
util.inherits(DeflateRaw, Zlib);
util.inherits(InflateRaw, Zlib);
util.inherits(Unzip, Zlib);

/***/ }),

/***/ 6907:
/***/ ((__unused_webpack_module, exports) => {

"use strict";



var TYPED_OK =  (typeof Uint8Array !== 'undefined') &&
                (typeof Uint16Array !== 'undefined') &&
                (typeof Int32Array !== 'undefined');

function _has(obj, key) {
  return Object.prototype.hasOwnProperty.call(obj, key);
}

exports.assign = function (obj /*from1, from2, from3, ...*/) {
  var sources = Array.prototype.slice.call(arguments, 1);
  while (sources.length) {
    var source = sources.shift();
    if (!source) { continue; }

    if (typeof source !== 'object') {
      throw new TypeError(source + 'must be non-object');
    }

    for (var p in source) {
      if (_has(source, p)) {
        obj[p] = source[p];
      }
    }
  }

  return obj;
};


// reduce buffer size, avoiding mem copy
exports.shrinkBuf = function (buf, size) {
  if (buf.length === size) { return buf; }
  if (buf.subarray) { return buf.subarray(0, size); }
  buf.length = size;
  return buf;
};


var fnTyped = {
  arraySet: function (dest, src, src_offs, len, dest_offs) {
    if (src.subarray && dest.subarray) {
      dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
      return;
    }
    // Fallback to ordinary array
    for (var i = 0; i < len; i++) {
      dest[dest_offs + i] = src[src_offs + i];
    }
  },
  // Join array of chunks to single array.
  flattenChunks: function (chunks) {
    var i, l, len, pos, chunk, result;

    // calculate data length
    len = 0;
    for (i = 0, l = chunks.length; i < l; i++) {
      len += chunks[i].length;
    }

    // join chunks
    result = new Uint8Array(len);
    pos = 0;
    for (i = 0, l = chunks.length; i < l; i++) {
      chunk = chunks[i];
      result.set(chunk, pos);
      pos += chunk.length;
    }

    return result;
  }
};

var fnUntyped = {
  arraySet: function (dest, src, src_offs, len, dest_offs) {
    for (var i = 0; i < len; i++) {
      dest[dest_offs + i] = src[src_offs + i];
    }
  },
  // Join array of chunks to single array.
  flattenChunks: function (chunks) {
    return [].concat.apply([], chunks);
  }
};


// Enable/Disable typed arrays use, for testing
//
exports.setTyped = function (on) {
  if (on) {
    exports.Buf8  = Uint8Array;
    exports.Buf16 = Uint16Array;
    exports.Buf32 = Int32Array;
    exports.assign(exports, fnTyped);
  } else {
    exports.Buf8  = Array;
    exports.Buf16 = Array;
    exports.Buf32 = Array;
    exports.assign(exports, fnUntyped);
  }
};

exports.setTyped(TYPED_OK);


/***/ }),

/***/ 47575:
/***/ ((module) => {

"use strict";


// Note: adler32 takes 12% for level 0 and 2% for level 6.
// It isn't worth it to make additional optimizations as in original.
// Small size is preferable.

// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

function adler32(adler, buf, len, pos) {
  var s1 = (adler & 0xffff) |0,
      s2 = ((adler >>> 16) & 0xffff) |0,
      n = 0;

  while (len !== 0) {
    // Set limit ~ twice less than 5552, to keep
    // s2 in 31-bits, because we force signed ints.
    // in other case %= will fail.
    n = len > 2000 ? 2000 : len;
    len -= n;

    do {
      s1 = (s1 + buf[pos++]) |0;
      s2 = (s2 + s1) |0;
    } while (--n);

    s1 %= 65521;
    s2 %= 65521;
  }

  return (s1 | (s2 << 16)) |0;
}


module.exports = adler32;


/***/ }),

/***/ 77162:
/***/ ((module) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

module.exports = {

  /* Allowed flush values; see deflate() and inflate() below for details */
  Z_NO_FLUSH:         0,
  Z_PARTIAL_FLUSH:    1,
  Z_SYNC_FLUSH:       2,
  Z_FULL_FLUSH:       3,
  Z_FINISH:           4,
  Z_BLOCK:            5,
  Z_TREES:            6,

  /* Return codes for the compression/decompression functions. Negative values
  * are errors, positive values are used for special but normal events.
  */
  Z_OK:               0,
  Z_STREAM_END:       1,
  Z_NEED_DICT:        2,
  Z_ERRNO:           -1,
  Z_STREAM_ERROR:    -2,
  Z_DATA_ERROR:      -3,
  //Z_MEM_ERROR:     -4,
  Z_BUF_ERROR:       -5,
  //Z_VERSION_ERROR: -6,

  /* compression levels */
  Z_NO_COMPRESSION:         0,
  Z_BEST_SPEED:             1,
  Z_BEST_COMPRESSION:       9,
  Z_DEFAULT_COMPRESSION:   -1,


  Z_FILTERED:               1,
  Z_HUFFMAN_ONLY:           2,
  Z_RLE:                    3,
  Z_FIXED:                  4,
  Z_DEFAULT_STRATEGY:       0,

  /* Possible values of the data_type field (though see inflate()) */
  Z_BINARY:                 0,
  Z_TEXT:                   1,
  //Z_ASCII:                1, // = Z_TEXT (deprecated)
  Z_UNKNOWN:                2,

  /* The deflate compression method */
  Z_DEFLATED:               8
  //Z_NULL:                 null // Use -1 or null inline, depending on var type
};


/***/ }),

/***/ 13415:
/***/ ((module) => {

"use strict";


// Note: we can't get significant speed boost here.
// So write code to minimize size - no pregenerated tables
// and array tools dependencies.

// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

// Use ordinary array, since untyped makes no boost here
function makeTable() {
  var c, table = [];

  for (var n = 0; n < 256; n++) {
    c = n;
    for (var k = 0; k < 8; k++) {
      c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
    }
    table[n] = c;
  }

  return table;
}

// Create table on load. Just 255 signed longs. Not a problem.
var crcTable = makeTable();


function crc32(crc, buf, len, pos) {
  var t = crcTable,
      end = pos + len;

  crc ^= -1;

  for (var i = pos; i < end; i++) {
    crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
  }

  return (crc ^ (-1)); // >>> 0;
}


module.exports = crc32;


/***/ }),

/***/ 42233:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

var utils   = __webpack_require__(6907);
var trees   = __webpack_require__(81339);
var adler32 = __webpack_require__(47575);
var crc32   = __webpack_require__(13415);
var msg     = __webpack_require__(89364);

/* Public constants ==========================================================*/
/* ===========================================================================*/


/* Allowed flush values; see deflate() and inflate() below for details */
var Z_NO_FLUSH      = 0;
var Z_PARTIAL_FLUSH = 1;
//var Z_SYNC_FLUSH    = 2;
var Z_FULL_FLUSH    = 3;
var Z_FINISH        = 4;
var Z_BLOCK         = 5;
//var Z_TREES         = 6;


/* Return codes for the compression/decompression functions. Negative values
 * are errors, positive values are used for special but normal events.
 */
var Z_OK            = 0;
var Z_STREAM_END    = 1;
//var Z_NEED_DICT     = 2;
//var Z_ERRNO         = -1;
var Z_STREAM_ERROR  = -2;
var Z_DATA_ERROR    = -3;
//var Z_MEM_ERROR     = -4;
var Z_BUF_ERROR     = -5;
//var Z_VERSION_ERROR = -6;


/* compression levels */
//var Z_NO_COMPRESSION      = 0;
//var Z_BEST_SPEED          = 1;
//var Z_BEST_COMPRESSION    = 9;
var Z_DEFAULT_COMPRESSION = -1;


var Z_FILTERED            = 1;
var Z_HUFFMAN_ONLY        = 2;
var Z_RLE                 = 3;
var Z_FIXED               = 4;
var Z_DEFAULT_STRATEGY    = 0;

/* Possible values of the data_type field (though see inflate()) */
//var Z_BINARY              = 0;
//var Z_TEXT                = 1;
//var Z_ASCII               = 1; // = Z_TEXT
var Z_UNKNOWN             = 2;


/* The deflate compression method */
var Z_DEFLATED  = 8;

/*============================================================================*/


var MAX_MEM_LEVEL = 9;
/* Maximum value for memLevel in deflateInit2 */
var MAX_WBITS = 15;
/* 32K LZ77 window */
var DEF_MEM_LEVEL = 8;


var LENGTH_CODES  = 29;
/* number of length codes, not counting the special END_BLOCK code */
var LITERALS      = 256;
/* number of literal bytes 0..255 */
var L_CODES       = LITERALS + 1 + LENGTH_CODES;
/* number of Literal or Length codes, including the END_BLOCK code */
var D_CODES       = 30;
/* number of distance codes */
var BL_CODES      = 19;
/* number of codes used to transfer the bit lengths */
var HEAP_SIZE     = 2 * L_CODES + 1;
/* maximum heap size */
var MAX_BITS  = 15;
/* All codes must not exceed MAX_BITS bits */

var MIN_MATCH = 3;
var MAX_MATCH = 258;
var MIN_LOOKAHEAD = (MAX_MATCH + MIN_MATCH + 1);

var PRESET_DICT = 0x20;

var INIT_STATE = 42;
var EXTRA_STATE = 69;
var NAME_STATE = 73;
var COMMENT_STATE = 91;
var HCRC_STATE = 103;
var BUSY_STATE = 113;
var FINISH_STATE = 666;

var BS_NEED_MORE      = 1; /* block not completed, need more input or more output */
var BS_BLOCK_DONE     = 2; /* block flush performed */
var BS_FINISH_STARTED = 3; /* finish started, need only more output at next deflate */
var BS_FINISH_DONE    = 4; /* finish done, accept no more input or output */

var OS_CODE = 0x03; // Unix :) . Don't detect, use this default.

function err(strm, errorCode) {
  strm.msg = msg[errorCode];
  return errorCode;
}

function rank(f) {
  return ((f) << 1) - ((f) > 4 ? 9 : 0);
}

function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }


/* =========================================================================
 * Flush as much pending output as possible. All deflate() output goes
 * through this function so some applications may wish to modify it
 * to avoid allocating a large strm->output buffer and copying into it.
 * (See also read_buf()).
 */
function flush_pending(strm) {
  var s = strm.state;

  //_tr_flush_bits(s);
  var len = s.pending;
  if (len > strm.avail_out) {
    len = strm.avail_out;
  }
  if (len === 0) { return; }

  utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out);
  strm.next_out += len;
  s.pending_out += len;
  strm.total_out += len;
  strm.avail_out -= len;
  s.pending -= len;
  if (s.pending === 0) {
    s.pending_out = 0;
  }
}


function flush_block_only(s, last) {
  trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
  s.block_start = s.strstart;
  flush_pending(s.strm);
}


function put_byte(s, b) {
  s.pending_buf[s.pending++] = b;
}


/* =========================================================================
 * Put a short in the pending buffer. The 16-bit value is put in MSB order.
 * IN assertion: the stream state is correct and there is enough room in
 * pending_buf.
 */
function putShortMSB(s, b) {
//  put_byte(s, (Byte)(b >> 8));
//  put_byte(s, (Byte)(b & 0xff));
  s.pending_buf[s.pending++] = (b >>> 8) & 0xff;
  s.pending_buf[s.pending++] = b & 0xff;
}


/* ===========================================================================
 * Read a new buffer from the current input stream, update the adler32
 * and total number of bytes read.  All deflate() input goes through
 * this function so some applications may wish to modify it to avoid
 * allocating a large strm->input buffer and copying from it.
 * (See also flush_pending()).
 */
function read_buf(strm, buf, start, size) {
  var len = strm.avail_in;

  if (len > size) { len = size; }
  if (len === 0) { return 0; }

  strm.avail_in -= len;

  // zmemcpy(buf, strm->next_in, len);
  utils.arraySet(buf, strm.input, strm.next_in, len, start);
  if (strm.state.wrap === 1) {
    strm.adler = adler32(strm.adler, buf, len, start);
  }

  else if (strm.state.wrap === 2) {
    strm.adler = crc32(strm.adler, buf, len, start);
  }

  strm.next_in += len;
  strm.total_in += len;

  return len;
}


/* ===========================================================================
 * Set match_start to the longest match starting at the given string and
 * return its length. Matches shorter or equal to prev_length are discarded,
 * in which case the result is equal to prev_length and match_start is
 * garbage.
 * IN assertions: cur_match is the head of the hash chain for the current
 *   string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1
 * OUT assertion: the match length is not greater than s->lookahead.
 */
function longest_match(s, cur_match) {
  var chain_length = s.max_chain_length;      /* max hash chain length */
  var scan = s.strstart; /* current string */
  var match;                       /* matched string */
  var len;                           /* length of current match */
  var best_len = s.prev_length;              /* best match length so far */
  var nice_match = s.nice_match;             /* stop if match long enough */
  var limit = (s.strstart > (s.w_size - MIN_LOOKAHEAD)) ?
      s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0/*NIL*/;

  var _win = s.window; // shortcut

  var wmask = s.w_mask;
  var prev  = s.prev;

  /* Stop when cur_match becomes <= limit. To simplify the code,
   * we prevent matches with the string of window index 0.
   */

  var strend = s.strstart + MAX_MATCH;
  var scan_end1  = _win[scan + best_len - 1];
  var scan_end   = _win[scan + best_len];

  /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
   * It is easy to get rid of this optimization if necessary.
   */
  // Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");

  /* Do not waste too much time if we already have a good match: */
  if (s.prev_length >= s.good_match) {
    chain_length >>= 2;
  }
  /* Do not look for matches beyond the end of the input. This is necessary
   * to make deflate deterministic.
   */
  if (nice_match > s.lookahead) { nice_match = s.lookahead; }

  // Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");

  do {
    // Assert(cur_match < s->strstart, "no future");
    match = cur_match;

    /* Skip to next match if the match length cannot increase
     * or if the match length is less than 2.  Note that the checks below
     * for insufficient lookahead only occur occasionally for performance
     * reasons.  Therefore uninitialized memory will be accessed, and
     * conditional jumps will be made that depend on those values.
     * However the length of the match is limited to the lookahead, so
     * the output of deflate is not affected by the uninitialized values.
     */

    if (_win[match + best_len]     !== scan_end  ||
        _win[match + best_len - 1] !== scan_end1 ||
        _win[match]                !== _win[scan] ||
        _win[++match]              !== _win[scan + 1]) {
      continue;
    }

    /* The check at best_len-1 can be removed because it will be made
     * again later. (This heuristic is not always a win.)
     * It is not necessary to compare scan[2] and match[2] since they
     * are always equal when the other bytes match, given that
     * the hash keys are equal and that HASH_BITS >= 8.
     */
    scan += 2;
    match++;
    // Assert(*scan == *match, "match[2]?");

    /* We check for insufficient lookahead only every 8th comparison;
     * the 256th check will be made at strstart+258.
     */
    do {
      /*jshint noempty:false*/
    } while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
             _win[++scan] === _win[++match] && _win[++scan] === _win[++match] &&
             scan < strend);

    // Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");

    len = MAX_MATCH - (strend - scan);
    scan = strend - MAX_MATCH;

    if (len > best_len) {
      s.match_start = cur_match;
      best_len = len;
      if (len >= nice_match) {
        break;
      }
      scan_end1  = _win[scan + best_len - 1];
      scan_end   = _win[scan + best_len];
    }
  } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);

  if (best_len <= s.lookahead) {
    return best_len;
  }
  return s.lookahead;
}


/* ===========================================================================
 * Fill the window when the lookahead becomes insufficient.
 * Updates strstart and lookahead.
 *
 * IN assertion: lookahead < MIN_LOOKAHEAD
 * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD
 *    At least one byte has been read, or avail_in == 0; reads are
 *    performed for at least two bytes (required for the zip translate_eol
 *    option -- not supported here).
 */
function fill_window(s) {
  var _w_size = s.w_size;
  var p, n, m, more, str;

  //Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");

  do {
    more = s.window_size - s.lookahead - s.strstart;

    // JS ints have 32 bit, block below not needed
    /* Deal with !@#$% 64K limit: */
    //if (sizeof(int) <= 2) {
    //    if (more == 0 && s->strstart == 0 && s->lookahead == 0) {
    //        more = wsize;
    //
    //  } else if (more == (unsigned)(-1)) {
    //        /* Very unlikely, but possible on 16 bit machine if
    //         * strstart == 0 && lookahead == 1 (input done a byte at time)
    //         */
    //        more--;
    //    }
    //}


    /* If the window is almost full and there is insufficient lookahead,
     * move the upper half to the lower one to make room in the upper half.
     */
    if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {

      utils.arraySet(s.window, s.window, _w_size, _w_size, 0);
      s.match_start -= _w_size;
      s.strstart -= _w_size;
      /* we now have strstart >= MAX_DIST */
      s.block_start -= _w_size;

      /* Slide the hash table (could be avoided with 32 bit values
       at the expense of memory usage). We slide even when level == 0
       to keep the hash table consistent if we switch back to level > 0
       later. (Using level 0 permanently is not an optimal usage of
       zlib, so we don't care about this pathological case.)
       */

      n = s.hash_size;
      p = n;
      do {
        m = s.head[--p];
        s.head[p] = (m >= _w_size ? m - _w_size : 0);
      } while (--n);

      n = _w_size;
      p = n;
      do {
        m = s.prev[--p];
        s.prev[p] = (m >= _w_size ? m - _w_size : 0);
        /* If n is not on any hash chain, prev[n] is garbage but
         * its value will never be used.
         */
      } while (--n);

      more += _w_size;
    }
    if (s.strm.avail_in === 0) {
      break;
    }

    /* If there was no sliding:
     *    strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 &&
     *    more == window_size - lookahead - strstart
     * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1)
     * => more >= window_size - 2*WSIZE + 2
     * In the BIG_MEM or MMAP case (not yet supported),
     *   window_size == input_size + MIN_LOOKAHEAD  &&
     *   strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD.
     * Otherwise, window_size == 2*WSIZE so more >= 2.
     * If there was sliding, more >= WSIZE. So in all cases, more >= 2.
     */
    //Assert(more >= 2, "more < 2");
    n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
    s.lookahead += n;

    /* Initialize the hash value now that we have some input: */
    if (s.lookahead + s.insert >= MIN_MATCH) {
      str = s.strstart - s.insert;
      s.ins_h = s.window[str];

      /* UPDATE_HASH(s, s->ins_h, s->window[str + 1]); */
      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask;
//#if MIN_MATCH != 3
//        Call update_hash() MIN_MATCH-3 more times
//#endif
      while (s.insert) {
        /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;

        s.prev[str & s.w_mask] = s.head[s.ins_h];
        s.head[s.ins_h] = str;
        str++;
        s.insert--;
        if (s.lookahead + s.insert < MIN_MATCH) {
          break;
        }
      }
    }
    /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage,
     * but this is not important since only literal bytes will be emitted.
     */

  } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0);

  /* If the WIN_INIT bytes after the end of the current data have never been
   * written, then zero those bytes in order to avoid memory check reports of
   * the use of uninitialized (or uninitialised as Julian writes) bytes by
   * the longest match routines.  Update the high water mark for the next
   * time through here.  WIN_INIT is set to MAX_MATCH since the longest match
   * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead.
   */
//  if (s.high_water < s.window_size) {
//    var curr = s.strstart + s.lookahead;
//    var init = 0;
//
//    if (s.high_water < curr) {
//      /* Previous high water mark below current data -- zero WIN_INIT
//       * bytes or up to end of window, whichever is less.
//       */
//      init = s.window_size - curr;
//      if (init > WIN_INIT)
//        init = WIN_INIT;
//      zmemzero(s->window + curr, (unsigned)init);
//      s->high_water = curr + init;
//    }
//    else if (s->high_water < (ulg)curr + WIN_INIT) {
//      /* High water mark at or above current data, but below current data
//       * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up
//       * to end of window, whichever is less.
//       */
//      init = (ulg)curr + WIN_INIT - s->high_water;
//      if (init > s->window_size - s->high_water)
//        init = s->window_size - s->high_water;
//      zmemzero(s->window + s->high_water, (unsigned)init);
//      s->high_water += init;
//    }
//  }
//
//  Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD,
//    "not enough room for search");
}

/* ===========================================================================
 * Copy without compression as much as possible from the input stream, return
 * the current block state.
 * This function does not insert new strings in the dictionary since
 * uncompressible data is probably not useful. This function is used
 * only for the level=0 compression option.
 * NOTE: this function should be optimized to avoid extra copying from
 * window to pending_buf.
 */
function deflate_stored(s, flush) {
  /* Stored blocks are limited to 0xffff bytes, pending_buf is limited
   * to pending_buf_size, and each stored block has a 5 byte header:
   */
  var max_block_size = 0xffff;

  if (max_block_size > s.pending_buf_size - 5) {
    max_block_size = s.pending_buf_size - 5;
  }

  /* Copy as much as possible from input to output: */
  for (;;) {
    /* Fill the window as much as possible: */
    if (s.lookahead <= 1) {

      //Assert(s->strstart < s->w_size+MAX_DIST(s) ||
      //  s->block_start >= (long)s->w_size, "slide too late");
//      if (!(s.strstart < s.w_size + (s.w_size - MIN_LOOKAHEAD) ||
//        s.block_start >= s.w_size)) {
//        throw  new Error("slide too late");
//      }

      fill_window(s);
      if (s.lookahead === 0 && flush === Z_NO_FLUSH) {
        return BS_NEED_MORE;
      }

      if (s.lookahead === 0) {
        break;
      }
      /* flush the current block */
    }
    //Assert(s->block_start >= 0L, "block gone");
//    if (s.block_start < 0) throw new Error("block gone");

    s.strstart += s.lookahead;
    s.lookahead = 0;

    /* Emit a stored block if pending_buf will be full: */
    var max_start = s.block_start + max_block_size;

    if (s.strstart === 0 || s.strstart >= max_start) {
      /* strstart == 0 is possible when wraparound on 16-bit machine */
      s.lookahead = s.strstart - max_start;
      s.strstart = max_start;
      /*** FLUSH_BLOCK(s, 0); ***/
      flush_block_only(s, false);
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
      /***/


    }
    /* Flush if we may have to slide, otherwise block_start may become
     * negative and the data will be gone:
     */
    if (s.strstart - s.block_start >= (s.w_size - MIN_LOOKAHEAD)) {
      /*** FLUSH_BLOCK(s, 0); ***/
      flush_block_only(s, false);
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
      /***/
    }
  }

  s.insert = 0;

  if (flush === Z_FINISH) {
    /*** FLUSH_BLOCK(s, 1); ***/
    flush_block_only(s, true);
    if (s.strm.avail_out === 0) {
      return BS_FINISH_STARTED;
    }
    /***/
    return BS_FINISH_DONE;
  }

  if (s.strstart > s.block_start) {
    /*** FLUSH_BLOCK(s, 0); ***/
    flush_block_only(s, false);
    if (s.strm.avail_out === 0) {
      return BS_NEED_MORE;
    }
    /***/
  }

  return BS_NEED_MORE;
}

/* ===========================================================================
 * Compress as much as possible from the input stream, return the current
 * block state.
 * This function does not perform lazy evaluation of matches and inserts
 * new strings in the dictionary only for unmatched strings or for short
 * matches. It is used only for the fast compression options.
 */
function deflate_fast(s, flush) {
  var hash_head;        /* head of the hash chain */
  var bflush;           /* set if current block must be flushed */

  for (;;) {
    /* Make sure that we always have enough lookahead, except
     * at the end of the input file. We need MAX_MATCH bytes
     * for the next match, plus MIN_MATCH bytes to insert the
     * string following the next match.
     */
    if (s.lookahead < MIN_LOOKAHEAD) {
      fill_window(s);
      if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
        return BS_NEED_MORE;
      }
      if (s.lookahead === 0) {
        break; /* flush the current block */
      }
    }

    /* Insert the string window[strstart .. strstart+2] in the
     * dictionary, and set hash_head to the head of the hash chain:
     */
    hash_head = 0/*NIL*/;
    if (s.lookahead >= MIN_MATCH) {
      /*** INSERT_STRING(s, s.strstart, hash_head); ***/
      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
      hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
      s.head[s.ins_h] = s.strstart;
      /***/
    }

    /* Find the longest match, discarding those <= prev_length.
     * At this point we have always match_length < MIN_MATCH
     */
    if (hash_head !== 0/*NIL*/ && ((s.strstart - hash_head) <= (s.w_size - MIN_LOOKAHEAD))) {
      /* To simplify the code, we prevent matches with the string
       * of window index 0 (in particular we have to avoid a match
       * of the string with itself at the start of the input file).
       */
      s.match_length = longest_match(s, hash_head);
      /* longest_match() sets match_start */
    }
    if (s.match_length >= MIN_MATCH) {
      // check_match(s, s.strstart, s.match_start, s.match_length); // for debug only

      /*** _tr_tally_dist(s, s.strstart - s.match_start,
                     s.match_length - MIN_MATCH, bflush); ***/
      bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH);

      s.lookahead -= s.match_length;

      /* Insert new strings in the hash table only if the match length
       * is not too large. This saves time but degrades compression.
       */
      if (s.match_length <= s.max_lazy_match/*max_insert_length*/ && s.lookahead >= MIN_MATCH) {
        s.match_length--; /* string at strstart already in table */
        do {
          s.strstart++;
          /*** INSERT_STRING(s, s.strstart, hash_head); ***/
          s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
          hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
          s.head[s.ins_h] = s.strstart;
          /***/
          /* strstart never exceeds WSIZE-MAX_MATCH, so there are
           * always MIN_MATCH bytes ahead.
           */
        } while (--s.match_length !== 0);
        s.strstart++;
      } else
      {
        s.strstart += s.match_length;
        s.match_length = 0;
        s.ins_h = s.window[s.strstart];
        /* UPDATE_HASH(s, s.ins_h, s.window[s.strstart+1]); */
        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask;

//#if MIN_MATCH != 3
//                Call UPDATE_HASH() MIN_MATCH-3 more times
//#endif
        /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not
         * matter since it will be recomputed at next deflate call.
         */
      }
    } else {
      /* No match, output a literal byte */
      //Tracevv((stderr,"%c", s.window[s.strstart]));
      /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
      bflush = trees._tr_tally(s, 0, s.window[s.strstart]);

      s.lookahead--;
      s.strstart++;
    }
    if (bflush) {
      /*** FLUSH_BLOCK(s, 0); ***/
      flush_block_only(s, false);
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
      /***/
    }
  }
  s.insert = ((s.strstart < (MIN_MATCH - 1)) ? s.strstart : MIN_MATCH - 1);
  if (flush === Z_FINISH) {
    /*** FLUSH_BLOCK(s, 1); ***/
    flush_block_only(s, true);
    if (s.strm.avail_out === 0) {
      return BS_FINISH_STARTED;
    }
    /***/
    return BS_FINISH_DONE;
  }
  if (s.last_lit) {
    /*** FLUSH_BLOCK(s, 0); ***/
    flush_block_only(s, false);
    if (s.strm.avail_out === 0) {
      return BS_NEED_MORE;
    }
    /***/
  }
  return BS_BLOCK_DONE;
}

/* ===========================================================================
 * Same as above, but achieves better compression. We use a lazy
 * evaluation for matches: a match is finally adopted only if there is
 * no better match at the next window position.
 */
function deflate_slow(s, flush) {
  var hash_head;          /* head of hash chain */
  var bflush;              /* set if current block must be flushed */

  var max_insert;

  /* Process the input block. */
  for (;;) {
    /* Make sure that we always have enough lookahead, except
     * at the end of the input file. We need MAX_MATCH bytes
     * for the next match, plus MIN_MATCH bytes to insert the
     * string following the next match.
     */
    if (s.lookahead < MIN_LOOKAHEAD) {
      fill_window(s);
      if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) {
        return BS_NEED_MORE;
      }
      if (s.lookahead === 0) { break; } /* flush the current block */
    }

    /* Insert the string window[strstart .. strstart+2] in the
     * dictionary, and set hash_head to the head of the hash chain:
     */
    hash_head = 0/*NIL*/;
    if (s.lookahead >= MIN_MATCH) {
      /*** INSERT_STRING(s, s.strstart, hash_head); ***/
      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
      hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
      s.head[s.ins_h] = s.strstart;
      /***/
    }

    /* Find the longest match, discarding those <= prev_length.
     */
    s.prev_length = s.match_length;
    s.prev_match = s.match_start;
    s.match_length = MIN_MATCH - 1;

    if (hash_head !== 0/*NIL*/ && s.prev_length < s.max_lazy_match &&
        s.strstart - hash_head <= (s.w_size - MIN_LOOKAHEAD)/*MAX_DIST(s)*/) {
      /* To simplify the code, we prevent matches with the string
       * of window index 0 (in particular we have to avoid a match
       * of the string with itself at the start of the input file).
       */
      s.match_length = longest_match(s, hash_head);
      /* longest_match() sets match_start */

      if (s.match_length <= 5 &&
         (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096/*TOO_FAR*/))) {

        /* If prev_match is also MIN_MATCH, match_start is garbage
         * but we will ignore the current match anyway.
         */
        s.match_length = MIN_MATCH - 1;
      }
    }
    /* If there was a match at the previous step and the current
     * match is not better, output the previous match:
     */
    if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) {
      max_insert = s.strstart + s.lookahead - MIN_MATCH;
      /* Do not insert strings in hash table beyond this. */

      //check_match(s, s.strstart-1, s.prev_match, s.prev_length);

      /***_tr_tally_dist(s, s.strstart - 1 - s.prev_match,
                     s.prev_length - MIN_MATCH, bflush);***/
      bflush = trees._tr_tally(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH);
      /* Insert in hash table all strings up to the end of the match.
       * strstart-1 and strstart are already inserted. If there is not
       * enough lookahead, the last two strings are not inserted in
       * the hash table.
       */
      s.lookahead -= s.prev_length - 1;
      s.prev_length -= 2;
      do {
        if (++s.strstart <= max_insert) {
          /*** INSERT_STRING(s, s.strstart, hash_head); ***/
          s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask;
          hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h];
          s.head[s.ins_h] = s.strstart;
          /***/
        }
      } while (--s.prev_length !== 0);
      s.match_available = 0;
      s.match_length = MIN_MATCH - 1;
      s.strstart++;

      if (bflush) {
        /*** FLUSH_BLOCK(s, 0); ***/
        flush_block_only(s, false);
        if (s.strm.avail_out === 0) {
          return BS_NEED_MORE;
        }
        /***/
      }

    } else if (s.match_available) {
      /* If there was no match at the previous position, output a
       * single literal. If there was a match but the current match
       * is longer, truncate the previous match to a single literal.
       */
      //Tracevv((stderr,"%c", s->window[s->strstart-1]));
      /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
      bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);

      if (bflush) {
        /*** FLUSH_BLOCK_ONLY(s, 0) ***/
        flush_block_only(s, false);
        /***/
      }
      s.strstart++;
      s.lookahead--;
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
    } else {
      /* There is no previous match to compare with, wait for
       * the next step to decide.
       */
      s.match_available = 1;
      s.strstart++;
      s.lookahead--;
    }
  }
  //Assert (flush != Z_NO_FLUSH, "no flush?");
  if (s.match_available) {
    //Tracevv((stderr,"%c", s->window[s->strstart-1]));
    /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
    bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);

    s.match_available = 0;
  }
  s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1;
  if (flush === Z_FINISH) {
    /*** FLUSH_BLOCK(s, 1); ***/
    flush_block_only(s, true);
    if (s.strm.avail_out === 0) {
      return BS_FINISH_STARTED;
    }
    /***/
    return BS_FINISH_DONE;
  }
  if (s.last_lit) {
    /*** FLUSH_BLOCK(s, 0); ***/
    flush_block_only(s, false);
    if (s.strm.avail_out === 0) {
      return BS_NEED_MORE;
    }
    /***/
  }

  return BS_BLOCK_DONE;
}


/* ===========================================================================
 * For Z_RLE, simply look for runs of bytes, generate matches only of distance
 * one.  Do not maintain a hash table.  (It will be regenerated if this run of
 * deflate switches away from Z_RLE.)
 */
function deflate_rle(s, flush) {
  var bflush;            /* set if current block must be flushed */
  var prev;              /* byte at distance one to match */
  var scan, strend;      /* scan goes up to strend for length of run */

  var _win = s.window;

  for (;;) {
    /* Make sure that we always have enough lookahead, except
     * at the end of the input file. We need MAX_MATCH bytes
     * for the longest run, plus one for the unrolled loop.
     */
    if (s.lookahead <= MAX_MATCH) {
      fill_window(s);
      if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) {
        return BS_NEED_MORE;
      }
      if (s.lookahead === 0) { break; } /* flush the current block */
    }

    /* See how many times the previous byte repeats */
    s.match_length = 0;
    if (s.lookahead >= MIN_MATCH && s.strstart > 0) {
      scan = s.strstart - 1;
      prev = _win[scan];
      if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) {
        strend = s.strstart + MAX_MATCH;
        do {
          /*jshint noempty:false*/
        } while (prev === _win[++scan] && prev === _win[++scan] &&
                 prev === _win[++scan] && prev === _win[++scan] &&
                 prev === _win[++scan] && prev === _win[++scan] &&
                 prev === _win[++scan] && prev === _win[++scan] &&
                 scan < strend);
        s.match_length = MAX_MATCH - (strend - scan);
        if (s.match_length > s.lookahead) {
          s.match_length = s.lookahead;
        }
      }
      //Assert(scan <= s->window+(uInt)(s->window_size-1), "wild scan");
    }

    /* Emit match if have run of MIN_MATCH or longer, else emit literal */
    if (s.match_length >= MIN_MATCH) {
      //check_match(s, s.strstart, s.strstart - 1, s.match_length);

      /*** _tr_tally_dist(s, 1, s.match_length - MIN_MATCH, bflush); ***/
      bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH);

      s.lookahead -= s.match_length;
      s.strstart += s.match_length;
      s.match_length = 0;
    } else {
      /* No match, output a literal byte */
      //Tracevv((stderr,"%c", s->window[s->strstart]));
      /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
      bflush = trees._tr_tally(s, 0, s.window[s.strstart]);

      s.lookahead--;
      s.strstart++;
    }
    if (bflush) {
      /*** FLUSH_BLOCK(s, 0); ***/
      flush_block_only(s, false);
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
      /***/
    }
  }
  s.insert = 0;
  if (flush === Z_FINISH) {
    /*** FLUSH_BLOCK(s, 1); ***/
    flush_block_only(s, true);
    if (s.strm.avail_out === 0) {
      return BS_FINISH_STARTED;
    }
    /***/
    return BS_FINISH_DONE;
  }
  if (s.last_lit) {
    /*** FLUSH_BLOCK(s, 0); ***/
    flush_block_only(s, false);
    if (s.strm.avail_out === 0) {
      return BS_NEED_MORE;
    }
    /***/
  }
  return BS_BLOCK_DONE;
}

/* ===========================================================================
 * For Z_HUFFMAN_ONLY, do not look for matches.  Do not maintain a hash table.
 * (It will be regenerated if this run of deflate switches away from Huffman.)
 */
function deflate_huff(s, flush) {
  var bflush;             /* set if current block must be flushed */

  for (;;) {
    /* Make sure that we have a literal to write. */
    if (s.lookahead === 0) {
      fill_window(s);
      if (s.lookahead === 0) {
        if (flush === Z_NO_FLUSH) {
          return BS_NEED_MORE;
        }
        break;      /* flush the current block */
      }
    }

    /* Output a literal byte */
    s.match_length = 0;
    //Tracevv((stderr,"%c", s->window[s->strstart]));
    /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/
    bflush = trees._tr_tally(s, 0, s.window[s.strstart]);
    s.lookahead--;
    s.strstart++;
    if (bflush) {
      /*** FLUSH_BLOCK(s, 0); ***/
      flush_block_only(s, false);
      if (s.strm.avail_out === 0) {
        return BS_NEED_MORE;
      }
      /***/
    }
  }
  s.insert = 0;
  if (flush === Z_FINISH) {
    /*** FLUSH_BLOCK(s, 1); ***/
    flush_block_only(s, true);
    if (s.strm.avail_out === 0) {
      return BS_FINISH_STARTED;
    }
    /***/
    return BS_FINISH_DONE;
  }
  if (s.last_lit) {
    /*** FLUSH_BLOCK(s, 0); ***/
    flush_block_only(s, false);
    if (s.strm.avail_out === 0) {
      return BS_NEED_MORE;
    }
    /***/
  }
  return BS_BLOCK_DONE;
}

/* Values for max_lazy_match, good_match and max_chain_length, depending on
 * the desired pack level (0..9). The values given below have been tuned to
 * exclude worst case performance for pathological files. Better values may be
 * found for specific files.
 */
function Config(good_length, max_lazy, nice_length, max_chain, func) {
  this.good_length = good_length;
  this.max_lazy = max_lazy;
  this.nice_length = nice_length;
  this.max_chain = max_chain;
  this.func = func;
}

var configuration_table;

configuration_table = [
  /*      good lazy nice chain */
  new Config(0, 0, 0, 0, deflate_stored),          /* 0 store only */
  new Config(4, 4, 8, 4, deflate_fast),            /* 1 max speed, no lazy matches */
  new Config(4, 5, 16, 8, deflate_fast),           /* 2 */
  new Config(4, 6, 32, 32, deflate_fast),          /* 3 */

  new Config(4, 4, 16, 16, deflate_slow),          /* 4 lazy matches */
  new Config(8, 16, 32, 32, deflate_slow),         /* 5 */
  new Config(8, 16, 128, 128, deflate_slow),       /* 6 */
  new Config(8, 32, 128, 256, deflate_slow),       /* 7 */
  new Config(32, 128, 258, 1024, deflate_slow),    /* 8 */
  new Config(32, 258, 258, 4096, deflate_slow)     /* 9 max compression */
];


/* ===========================================================================
 * Initialize the "longest match" routines for a new zlib stream
 */
function lm_init(s) {
  s.window_size = 2 * s.w_size;

  /*** CLEAR_HASH(s); ***/
  zero(s.head); // Fill with NIL (= 0);

  /* Set the default configuration parameters:
   */
  s.max_lazy_match = configuration_table[s.level].max_lazy;
  s.good_match = configuration_table[s.level].good_length;
  s.nice_match = configuration_table[s.level].nice_length;
  s.max_chain_length = configuration_table[s.level].max_chain;

  s.strstart = 0;
  s.block_start = 0;
  s.lookahead = 0;
  s.insert = 0;
  s.match_length = s.prev_length = MIN_MATCH - 1;
  s.match_available = 0;
  s.ins_h = 0;
}


function DeflateState() {
  this.strm = null;            /* pointer back to this zlib stream */
  this.status = 0;            /* as the name implies */
  this.pending_buf = null;      /* output still pending */
  this.pending_buf_size = 0;  /* size of pending_buf */
  this.pending_out = 0;       /* next pending byte to output to the stream */
  this.pending = 0;           /* nb of bytes in the pending buffer */
  this.wrap = 0;              /* bit 0 true for zlib, bit 1 true for gzip */
  this.gzhead = null;         /* gzip header information to write */
  this.gzindex = 0;           /* where in extra, name, or comment */
  this.method = Z_DEFLATED; /* can only be DEFLATED */
  this.last_flush = -1;   /* value of flush param for previous deflate call */

  this.w_size = 0;  /* LZ77 window size (32K by default) */
  this.w_bits = 0;  /* log2(w_size)  (8..16) */
  this.w_mask = 0;  /* w_size - 1 */

  this.window = null;
  /* Sliding window. Input bytes are read into the second half of the window,
   * and move to the first half later to keep a dictionary of at least wSize
   * bytes. With this organization, matches are limited to a distance of
   * wSize-MAX_MATCH bytes, but this ensures that IO is always
   * performed with a length multiple of the block size.
   */

  this.window_size = 0;
  /* Actual size of window: 2*wSize, except when the user input buffer
   * is directly used as sliding window.
   */

  this.prev = null;
  /* Link to older string with same hash index. To limit the size of this
   * array to 64K, this link is maintained only for the last 32K strings.
   * An index in this array is thus a window index modulo 32K.
   */

  this.head = null;   /* Heads of the hash chains or NIL. */

  this.ins_h = 0;       /* hash index of string to be inserted */
  this.hash_size = 0;   /* number of elements in hash table */
  this.hash_bits = 0;   /* log2(hash_size) */
  this.hash_mask = 0;   /* hash_size-1 */

  this.hash_shift = 0;
  /* Number of bits by which ins_h must be shifted at each input
   * step. It must be such that after MIN_MATCH steps, the oldest
   * byte no longer takes part in the hash key, that is:
   *   hash_shift * MIN_MATCH >= hash_bits
   */

  this.block_start = 0;
  /* Window position at the beginning of the current output block. Gets
   * negative when the window is moved backwards.
   */

  this.match_length = 0;      /* length of best match */
  this.prev_match = 0;        /* previous match */
  this.match_available = 0;   /* set if previous match exists */
  this.strstart = 0;          /* start of string to insert */
  this.match_start = 0;       /* start of matching string */
  this.lookahead = 0;         /* number of valid bytes ahead in window */

  this.prev_length = 0;
  /* Length of the best match at previous step. Matches not greater than this
   * are discarded. This is used in the lazy match evaluation.
   */

  this.max_chain_length = 0;
  /* To speed up deflation, hash chains are never searched beyond this
   * length.  A higher limit improves compression ratio but degrades the
   * speed.
   */

  this.max_lazy_match = 0;
  /* Attempt to find a better match only when the current match is strictly
   * smaller than this value. This mechanism is used only for compression
   * levels >= 4.
   */
  // That's alias to max_lazy_match, don't use directly
  //this.max_insert_length = 0;
  /* Insert new strings in the hash table only if the match length is not
   * greater than this length. This saves time but degrades compression.
   * max_insert_length is used only for compression levels <= 3.
   */

  this.level = 0;     /* compression level (1..9) */
  this.strategy = 0;  /* favor or force Huffman coding*/

  this.good_match = 0;
  /* Use a faster search when the previous match is longer than this */

  this.nice_match = 0; /* Stop searching when current match exceeds this */

              /* used by trees.c: */

  /* Didn't use ct_data typedef below to suppress compiler warning */

  // struct ct_data_s dyn_ltree[HEAP_SIZE];   /* literal and length tree */
  // struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
  // struct ct_data_s bl_tree[2*BL_CODES+1];  /* Huffman tree for bit lengths */

  // Use flat array of DOUBLE size, with interleaved fata,
  // because JS does not support effective
  this.dyn_ltree  = new utils.Buf16(HEAP_SIZE * 2);
  this.dyn_dtree  = new utils.Buf16((2 * D_CODES + 1) * 2);
  this.bl_tree    = new utils.Buf16((2 * BL_CODES + 1) * 2);
  zero(this.dyn_ltree);
  zero(this.dyn_dtree);
  zero(this.bl_tree);

  this.l_desc   = null;         /* desc. for literal tree */
  this.d_desc   = null;         /* desc. for distance tree */
  this.bl_desc  = null;         /* desc. for bit length tree */

  //ush bl_count[MAX_BITS+1];
  this.bl_count = new utils.Buf16(MAX_BITS + 1);
  /* number of codes at each bit length for an optimal tree */

  //int heap[2*L_CODES+1];      /* heap used to build the Huffman trees */
  this.heap = new utils.Buf16(2 * L_CODES + 1);  /* heap used to build the Huffman trees */
  zero(this.heap);

  this.heap_len = 0;               /* number of elements in the heap */
  this.heap_max = 0;               /* element of largest frequency */
  /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
   * The same heap array is used to build all trees.
   */

  this.depth = new utils.Buf16(2 * L_CODES + 1); //uch depth[2*L_CODES+1];
  zero(this.depth);
  /* Depth of each subtree used as tie breaker for trees of equal frequency
   */

  this.l_buf = 0;          /* buffer index for literals or lengths */

  this.lit_bufsize = 0;
  /* Size of match buffer for literals/lengths.  There are 4 reasons for
   * limiting lit_bufsize to 64K:
   *   - frequencies can be kept in 16 bit counters
   *   - if compression is not successful for the first block, all input
   *     data is still in the window so we can still emit a stored block even
   *     when input comes from standard input.  (This can also be done for
   *     all blocks if lit_bufsize is not greater than 32K.)
   *   - if compression is not successful for a file smaller than 64K, we can
   *     even emit a stored file instead of a stored block (saving 5 bytes).
   *     This is applicable only for zip (not gzip or zlib).
   *   - creating new Huffman trees less frequently may not provide fast
   *     adaptation to changes in the input data statistics. (Take for
   *     example a binary file with poorly compressible code followed by
   *     a highly compressible string table.) Smaller buffer sizes give
   *     fast adaptation but have of course the overhead of transmitting
   *     trees more frequently.
   *   - I can't count above 4
   */

  this.last_lit = 0;      /* running index in l_buf */

  this.d_buf = 0;
  /* Buffer index for distances. To simplify the code, d_buf and l_buf have
   * the same number of elements. To use different lengths, an extra flag
   * array would be necessary.
   */

  this.opt_len = 0;       /* bit length of current block with optimal trees */
  this.static_len = 0;    /* bit length of current block with static trees */
  this.matches = 0;       /* number of string matches in current block */
  this.insert = 0;        /* bytes at end of window left to insert */


  this.bi_buf = 0;
  /* Output buffer. bits are inserted starting at the bottom (least
   * significant bits).
   */
  this.bi_valid = 0;
  /* Number of valid bits in bi_buf.  All bits above the last valid bit
   * are always zero.
   */

  // Used for window memory init. We safely ignore it for JS. That makes
  // sense only for pointers and memory check tools.
  //this.high_water = 0;
  /* High water mark offset in window for initialized bytes -- bytes above
   * this are set to zero in order to avoid memory check warnings when
   * longest match routines access bytes past the input.  This is then
   * updated to the new high water mark.
   */
}


function deflateResetKeep(strm) {
  var s;

  if (!strm || !strm.state) {
    return err(strm, Z_STREAM_ERROR);
  }

  strm.total_in = strm.total_out = 0;
  strm.data_type = Z_UNKNOWN;

  s = strm.state;
  s.pending = 0;
  s.pending_out = 0;

  if (s.wrap < 0) {
    s.wrap = -s.wrap;
    /* was made negative by deflate(..., Z_FINISH); */
  }
  s.status = (s.wrap ? INIT_STATE : BUSY_STATE);
  strm.adler = (s.wrap === 2) ?
    0  // crc32(0, Z_NULL, 0)
  :
    1; // adler32(0, Z_NULL, 0)
  s.last_flush = Z_NO_FLUSH;
  trees._tr_init(s);
  return Z_OK;
}


function deflateReset(strm) {
  var ret = deflateResetKeep(strm);
  if (ret === Z_OK) {
    lm_init(strm.state);
  }
  return ret;
}


function deflateSetHeader(strm, head) {
  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
  if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; }
  strm.state.gzhead = head;
  return Z_OK;
}


function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
  if (!strm) { // === Z_NULL
    return Z_STREAM_ERROR;
  }
  var wrap = 1;

  if (level === Z_DEFAULT_COMPRESSION) {
    level = 6;
  }

  if (windowBits < 0) { /* suppress zlib wrapper */
    wrap = 0;
    windowBits = -windowBits;
  }

  else if (windowBits > 15) {
    wrap = 2;           /* write gzip wrapper instead */
    windowBits -= 16;
  }


  if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED ||
    windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
    strategy < 0 || strategy > Z_FIXED) {
    return err(strm, Z_STREAM_ERROR);
  }


  if (windowBits === 8) {
    windowBits = 9;
  }
  /* until 256-byte window bug fixed */

  var s = new DeflateState();

  strm.state = s;
  s.strm = strm;

  s.wrap = wrap;
  s.gzhead = null;
  s.w_bits = windowBits;
  s.w_size = 1 << s.w_bits;
  s.w_mask = s.w_size - 1;

  s.hash_bits = memLevel + 7;
  s.hash_size = 1 << s.hash_bits;
  s.hash_mask = s.hash_size - 1;
  s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH);

  s.window = new utils.Buf8(s.w_size * 2);
  s.head = new utils.Buf16(s.hash_size);
  s.prev = new utils.Buf16(s.w_size);

  // Don't need mem init magic for JS.
  //s.high_water = 0;  /* nothing written to s->window yet */

  s.lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */

  s.pending_buf_size = s.lit_bufsize * 4;

  //overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2);
  //s->pending_buf = (uchf *) overlay;
  s.pending_buf = new utils.Buf8(s.pending_buf_size);

  // It is offset from `s.pending_buf` (size is `s.lit_bufsize * 2`)
  //s->d_buf = overlay + s->lit_bufsize/sizeof(ush);
  s.d_buf = 1 * s.lit_bufsize;

  //s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize;
  s.l_buf = (1 + 2) * s.lit_bufsize;

  s.level = level;
  s.strategy = strategy;
  s.method = method;

  return deflateReset(strm);
}

function deflateInit(strm, level) {
  return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
}


function deflate(strm, flush) {
  var old_flush, s;
  var beg, val; // for gzip header write only

  if (!strm || !strm.state ||
    flush > Z_BLOCK || flush < 0) {
    return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR;
  }

  s = strm.state;

  if (!strm.output ||
      (!strm.input && strm.avail_in !== 0) ||
      (s.status === FINISH_STATE && flush !== Z_FINISH)) {
    return err(strm, (strm.avail_out === 0) ? Z_BUF_ERROR : Z_STREAM_ERROR);
  }

  s.strm = strm; /* just in case */
  old_flush = s.last_flush;
  s.last_flush = flush;

  /* Write the header */
  if (s.status === INIT_STATE) {

    if (s.wrap === 2) { // GZIP header
      strm.adler = 0;  //crc32(0L, Z_NULL, 0);
      put_byte(s, 31);
      put_byte(s, 139);
      put_byte(s, 8);
      if (!s.gzhead) { // s->gzhead == Z_NULL
        put_byte(s, 0);
        put_byte(s, 0);
        put_byte(s, 0);
        put_byte(s, 0);
        put_byte(s, 0);
        put_byte(s, s.level === 9 ? 2 :
                    (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
                     4 : 0));
        put_byte(s, OS_CODE);
        s.status = BUSY_STATE;
      }
      else {
        put_byte(s, (s.gzhead.text ? 1 : 0) +
                    (s.gzhead.hcrc ? 2 : 0) +
                    (!s.gzhead.extra ? 0 : 4) +
                    (!s.gzhead.name ? 0 : 8) +
                    (!s.gzhead.comment ? 0 : 16)
        );
        put_byte(s, s.gzhead.time & 0xff);
        put_byte(s, (s.gzhead.time >> 8) & 0xff);
        put_byte(s, (s.gzhead.time >> 16) & 0xff);
        put_byte(s, (s.gzhead.time >> 24) & 0xff);
        put_byte(s, s.level === 9 ? 2 :
                    (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ?
                     4 : 0));
        put_byte(s, s.gzhead.os & 0xff);
        if (s.gzhead.extra && s.gzhead.extra.length) {
          put_byte(s, s.gzhead.extra.length & 0xff);
          put_byte(s, (s.gzhead.extra.length >> 8) & 0xff);
        }
        if (s.gzhead.hcrc) {
          strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0);
        }
        s.gzindex = 0;
        s.status = EXTRA_STATE;
      }
    }
    else // DEFLATE header
    {
      var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8;
      var level_flags = -1;

      if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) {
        level_flags = 0;
      } else if (s.level < 6) {
        level_flags = 1;
      } else if (s.level === 6) {
        level_flags = 2;
      } else {
        level_flags = 3;
      }
      header |= (level_flags << 6);
      if (s.strstart !== 0) { header |= PRESET_DICT; }
      header += 31 - (header % 31);

      s.status = BUSY_STATE;
      putShortMSB(s, header);

      /* Save the adler32 of the preset dictionary: */
      if (s.strstart !== 0) {
        putShortMSB(s, strm.adler >>> 16);
        putShortMSB(s, strm.adler & 0xffff);
      }
      strm.adler = 1; // adler32(0L, Z_NULL, 0);
    }
  }

//#ifdef GZIP
  if (s.status === EXTRA_STATE) {
    if (s.gzhead.extra/* != Z_NULL*/) {
      beg = s.pending;  /* start of bytes to update crc */

      while (s.gzindex < (s.gzhead.extra.length & 0xffff)) {
        if (s.pending === s.pending_buf_size) {
          if (s.gzhead.hcrc && s.pending > beg) {
            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
          }
          flush_pending(strm);
          beg = s.pending;
          if (s.pending === s.pending_buf_size) {
            break;
          }
        }
        put_byte(s, s.gzhead.extra[s.gzindex] & 0xff);
        s.gzindex++;
      }
      if (s.gzhead.hcrc && s.pending > beg) {
        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
      }
      if (s.gzindex === s.gzhead.extra.length) {
        s.gzindex = 0;
        s.status = NAME_STATE;
      }
    }
    else {
      s.status = NAME_STATE;
    }
  }
  if (s.status === NAME_STATE) {
    if (s.gzhead.name/* != Z_NULL*/) {
      beg = s.pending;  /* start of bytes to update crc */
      //int val;

      do {
        if (s.pending === s.pending_buf_size) {
          if (s.gzhead.hcrc && s.pending > beg) {
            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
          }
          flush_pending(strm);
          beg = s.pending;
          if (s.pending === s.pending_buf_size) {
            val = 1;
            break;
          }
        }
        // JS specific: little magic to add zero terminator to end of string
        if (s.gzindex < s.gzhead.name.length) {
          val = s.gzhead.name.charCodeAt(s.gzindex++) & 0xff;
        } else {
          val = 0;
        }
        put_byte(s, val);
      } while (val !== 0);

      if (s.gzhead.hcrc && s.pending > beg) {
        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
      }
      if (val === 0) {
        s.gzindex = 0;
        s.status = COMMENT_STATE;
      }
    }
    else {
      s.status = COMMENT_STATE;
    }
  }
  if (s.status === COMMENT_STATE) {
    if (s.gzhead.comment/* != Z_NULL*/) {
      beg = s.pending;  /* start of bytes to update crc */
      //int val;

      do {
        if (s.pending === s.pending_buf_size) {
          if (s.gzhead.hcrc && s.pending > beg) {
            strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
          }
          flush_pending(strm);
          beg = s.pending;
          if (s.pending === s.pending_buf_size) {
            val = 1;
            break;
          }
        }
        // JS specific: little magic to add zero terminator to end of string
        if (s.gzindex < s.gzhead.comment.length) {
          val = s.gzhead.comment.charCodeAt(s.gzindex++) & 0xff;
        } else {
          val = 0;
        }
        put_byte(s, val);
      } while (val !== 0);

      if (s.gzhead.hcrc && s.pending > beg) {
        strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg);
      }
      if (val === 0) {
        s.status = HCRC_STATE;
      }
    }
    else {
      s.status = HCRC_STATE;
    }
  }
  if (s.status === HCRC_STATE) {
    if (s.gzhead.hcrc) {
      if (s.pending + 2 > s.pending_buf_size) {
        flush_pending(strm);
      }
      if (s.pending + 2 <= s.pending_buf_size) {
        put_byte(s, strm.adler & 0xff);
        put_byte(s, (strm.adler >> 8) & 0xff);
        strm.adler = 0; //crc32(0L, Z_NULL, 0);
        s.status = BUSY_STATE;
      }
    }
    else {
      s.status = BUSY_STATE;
    }
  }
//#endif

  /* Flush as much pending output as possible */
  if (s.pending !== 0) {
    flush_pending(strm);
    if (strm.avail_out === 0) {
      /* Since avail_out is 0, deflate will be called again with
       * more output space, but possibly with both pending and
       * avail_in equal to zero. There won't be anything to do,
       * but this is not an error situation so make sure we
       * return OK instead of BUF_ERROR at next call of deflate:
       */
      s.last_flush = -1;
      return Z_OK;
    }

    /* Make sure there is something to do and avoid duplicate consecutive
     * flushes. For repeated and useless calls with Z_FINISH, we keep
     * returning Z_STREAM_END instead of Z_BUF_ERROR.
     */
  } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) &&
    flush !== Z_FINISH) {
    return err(strm, Z_BUF_ERROR);
  }

  /* User must not provide more input after the first FINISH: */
  if (s.status === FINISH_STATE && strm.avail_in !== 0) {
    return err(strm, Z_BUF_ERROR);
  }

  /* Start a new block or continue the current one.
   */
  if (strm.avail_in !== 0 || s.lookahead !== 0 ||
    (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) {
    var bstate = (s.strategy === Z_HUFFMAN_ONLY) ? deflate_huff(s, flush) :
      (s.strategy === Z_RLE ? deflate_rle(s, flush) :
        configuration_table[s.level].func(s, flush));

    if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) {
      s.status = FINISH_STATE;
    }
    if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) {
      if (strm.avail_out === 0) {
        s.last_flush = -1;
        /* avoid BUF_ERROR next call, see above */
      }
      return Z_OK;
      /* If flush != Z_NO_FLUSH && avail_out == 0, the next call
       * of deflate should use the same flush parameter to make sure
       * that the flush is complete. So we don't have to output an
       * empty block here, this will be done at next call. This also
       * ensures that for a very small output buffer, we emit at most
       * one empty block.
       */
    }
    if (bstate === BS_BLOCK_DONE) {
      if (flush === Z_PARTIAL_FLUSH) {
        trees._tr_align(s);
      }
      else if (flush !== Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */

        trees._tr_stored_block(s, 0, 0, false);
        /* For a full flush, this empty block will be recognized
         * as a special marker by inflate_sync().
         */
        if (flush === Z_FULL_FLUSH) {
          /*** CLEAR_HASH(s); ***/             /* forget history */
          zero(s.head); // Fill with NIL (= 0);

          if (s.lookahead === 0) {
            s.strstart = 0;
            s.block_start = 0;
            s.insert = 0;
          }
        }
      }
      flush_pending(strm);
      if (strm.avail_out === 0) {
        s.last_flush = -1; /* avoid BUF_ERROR at next call, see above */
        return Z_OK;
      }
    }
  }
  //Assert(strm->avail_out > 0, "bug2");
  //if (strm.avail_out <= 0) { throw new Error("bug2");}

  if (flush !== Z_FINISH) { return Z_OK; }
  if (s.wrap <= 0) { return Z_STREAM_END; }

  /* Write the trailer */
  if (s.wrap === 2) {
    put_byte(s, strm.adler & 0xff);
    put_byte(s, (strm.adler >> 8) & 0xff);
    put_byte(s, (strm.adler >> 16) & 0xff);
    put_byte(s, (strm.adler >> 24) & 0xff);
    put_byte(s, strm.total_in & 0xff);
    put_byte(s, (strm.total_in >> 8) & 0xff);
    put_byte(s, (strm.total_in >> 16) & 0xff);
    put_byte(s, (strm.total_in >> 24) & 0xff);
  }
  else
  {
    putShortMSB(s, strm.adler >>> 16);
    putShortMSB(s, strm.adler & 0xffff);
  }

  flush_pending(strm);
  /* If avail_out is zero, the application will call deflate again
   * to flush the rest.
   */
  if (s.wrap > 0) { s.wrap = -s.wrap; }
  /* write the trailer only once! */
  return s.pending !== 0 ? Z_OK : Z_STREAM_END;
}

function deflateEnd(strm) {
  var status;

  if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
    return Z_STREAM_ERROR;
  }

  status = strm.state.status;
  if (status !== INIT_STATE &&
    status !== EXTRA_STATE &&
    status !== NAME_STATE &&
    status !== COMMENT_STATE &&
    status !== HCRC_STATE &&
    status !== BUSY_STATE &&
    status !== FINISH_STATE
  ) {
    return err(strm, Z_STREAM_ERROR);
  }

  strm.state = null;

  return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
}


/* =========================================================================
 * Initializes the compression dictionary from the given byte
 * sequence without producing any compressed output.
 */
function deflateSetDictionary(strm, dictionary) {
  var dictLength = dictionary.length;

  var s;
  var str, n;
  var wrap;
  var avail;
  var next;
  var input;
  var tmpDict;

  if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
    return Z_STREAM_ERROR;
  }

  s = strm.state;
  wrap = s.wrap;

  if (wrap === 2 || (wrap === 1 && s.status !== INIT_STATE) || s.lookahead) {
    return Z_STREAM_ERROR;
  }

  /* when using zlib wrappers, compute Adler-32 for provided dictionary */
  if (wrap === 1) {
    /* adler32(strm->adler, dictionary, dictLength); */
    strm.adler = adler32(strm.adler, dictionary, dictLength, 0);
  }

  s.wrap = 0;   /* avoid computing Adler-32 in read_buf */

  /* if dictionary would fill window, just replace the history */
  if (dictLength >= s.w_size) {
    if (wrap === 0) {            /* already empty otherwise */
      /*** CLEAR_HASH(s); ***/
      zero(s.head); // Fill with NIL (= 0);
      s.strstart = 0;
      s.block_start = 0;
      s.insert = 0;
    }
    /* use the tail */
    // dictionary = dictionary.slice(dictLength - s.w_size);
    tmpDict = new utils.Buf8(s.w_size);
    utils.arraySet(tmpDict, dictionary, dictLength - s.w_size, s.w_size, 0);
    dictionary = tmpDict;
    dictLength = s.w_size;
  }
  /* insert dictionary into window and hash */
  avail = strm.avail_in;
  next = strm.next_in;
  input = strm.input;
  strm.avail_in = dictLength;
  strm.next_in = 0;
  strm.input = dictionary;
  fill_window(s);
  while (s.lookahead >= MIN_MATCH) {
    str = s.strstart;
    n = s.lookahead - (MIN_MATCH - 1);
    do {
      /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;

      s.prev[str & s.w_mask] = s.head[s.ins_h];

      s.head[s.ins_h] = str;
      str++;
    } while (--n);
    s.strstart = str;
    s.lookahead = MIN_MATCH - 1;
    fill_window(s);
  }
  s.strstart += s.lookahead;
  s.block_start = s.strstart;
  s.insert = s.lookahead;
  s.lookahead = 0;
  s.match_length = s.prev_length = MIN_MATCH - 1;
  s.match_available = 0;
  strm.next_in = next;
  strm.input = input;
  strm.avail_in = avail;
  s.wrap = wrap;
  return Z_OK;
}


exports.deflateInit = deflateInit;
exports.deflateInit2 = deflateInit2;
exports.deflateReset = deflateReset;
exports.deflateResetKeep = deflateResetKeep;
exports.deflateSetHeader = deflateSetHeader;
exports.deflate = deflate;
exports.deflateEnd = deflateEnd;
exports.deflateSetDictionary = deflateSetDictionary;
exports.deflateInfo = 'pako deflate (from Nodeca project)';

/* Not implemented
exports.deflateBound = deflateBound;
exports.deflateCopy = deflateCopy;
exports.deflateParams = deflateParams;
exports.deflatePending = deflatePending;
exports.deflatePrime = deflatePrime;
exports.deflateTune = deflateTune;
*/


/***/ }),

/***/ 76438:
/***/ ((module) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

// See state defs from inflate.js
var BAD = 30;       /* got a data error -- remain here until reset */
var TYPE = 12;      /* i: waiting for type bits, including last-flag bit */

/*
   Decode literal, length, and distance codes and write out the resulting
   literal and match bytes until either not enough input or output is
   available, an end-of-block is encountered, or a data error is encountered.
   When large enough input and output buffers are supplied to inflate(), for
   example, a 16K input buffer and a 64K output buffer, more than 95% of the
   inflate execution time is spent in this routine.

   Entry assumptions:

        state.mode === LEN
        strm.avail_in >= 6
        strm.avail_out >= 258
        start >= strm.avail_out
        state.bits < 8

   On return, state.mode is one of:

        LEN -- ran out of enough output space or enough available input
        TYPE -- reached end of block code, inflate() to interpret next block
        BAD -- error in block data

   Notes:

    - The maximum input bits used by a length/distance pair is 15 bits for the
      length code, 5 bits for the length extra, 15 bits for the distance code,
      and 13 bits for the distance extra.  This totals 48 bits, or six bytes.
      Therefore if strm.avail_in >= 6, then there is enough input to avoid
      checking for available input while decoding.

    - The maximum bytes that a single length/distance pair can output is 258
      bytes, which is the maximum length that can be coded.  inflate_fast()
      requires strm.avail_out >= 258 for each loop to avoid checking for
      output space.
 */
module.exports = function inflate_fast(strm, start) {
  var state;
  var _in;                    /* local strm.input */
  var last;                   /* have enough input while in < last */
  var _out;                   /* local strm.output */
  var beg;                    /* inflate()'s initial strm.output */
  var end;                    /* while out < end, enough space available */
//#ifdef INFLATE_STRICT
  var dmax;                   /* maximum distance from zlib header */
//#endif
  var wsize;                  /* window size or zero if not using window */
  var whave;                  /* valid bytes in the window */
  var wnext;                  /* window write index */
  // Use `s_window` instead `window`, avoid conflict with instrumentation tools
  var s_window;               /* allocated sliding window, if wsize != 0 */
  var hold;                   /* local strm.hold */
  var bits;                   /* local strm.bits */
  var lcode;                  /* local strm.lencode */
  var dcode;                  /* local strm.distcode */
  var lmask;                  /* mask for first level of length codes */
  var dmask;                  /* mask for first level of distance codes */
  var here;                   /* retrieved table entry */
  var op;                     /* code bits, operation, extra bits, or */
                              /*  window position, window bytes to copy */
  var len;                    /* match length, unused bytes */
  var dist;                   /* match distance */
  var from;                   /* where to copy match from */
  var from_source;


  var input, output; // JS specific, because we have no pointers

  /* copy state to local variables */
  state = strm.state;
  //here = state.here;
  _in = strm.next_in;
  input = strm.input;
  last = _in + (strm.avail_in - 5);
  _out = strm.next_out;
  output = strm.output;
  beg = _out - (start - strm.avail_out);
  end = _out + (strm.avail_out - 257);
//#ifdef INFLATE_STRICT
  dmax = state.dmax;
//#endif
  wsize = state.wsize;
  whave = state.whave;
  wnext = state.wnext;
  s_window = state.window;
  hold = state.hold;
  bits = state.bits;
  lcode = state.lencode;
  dcode = state.distcode;
  lmask = (1 << state.lenbits) - 1;
  dmask = (1 << state.distbits) - 1;


  /* decode literals and length/distances until end-of-block or not enough
     input data or output space */

  top:
  do {
    if (bits < 15) {
      hold += input[_in++] << bits;
      bits += 8;
      hold += input[_in++] << bits;
      bits += 8;
    }

    here = lcode[hold & lmask];

    dolen:
    for (;;) { // Goto emulation
      op = here >>> 24/*here.bits*/;
      hold >>>= op;
      bits -= op;
      op = (here >>> 16) & 0xff/*here.op*/;
      if (op === 0) {                          /* literal */
        //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
        //        "inflate:         literal '%c'\n" :
        //        "inflate:         literal 0x%02x\n", here.val));
        output[_out++] = here & 0xffff/*here.val*/;
      }
      else if (op & 16) {                     /* length base */
        len = here & 0xffff/*here.val*/;
        op &= 15;                           /* number of extra bits */
        if (op) {
          if (bits < op) {
            hold += input[_in++] << bits;
            bits += 8;
          }
          len += hold & ((1 << op) - 1);
          hold >>>= op;
          bits -= op;
        }
        //Tracevv((stderr, "inflate:         length %u\n", len));
        if (bits < 15) {
          hold += input[_in++] << bits;
          bits += 8;
          hold += input[_in++] << bits;
          bits += 8;
        }
        here = dcode[hold & dmask];

        dodist:
        for (;;) { // goto emulation
          op = here >>> 24/*here.bits*/;
          hold >>>= op;
          bits -= op;
          op = (here >>> 16) & 0xff/*here.op*/;

          if (op & 16) {                      /* distance base */
            dist = here & 0xffff/*here.val*/;
            op &= 15;                       /* number of extra bits */
            if (bits < op) {
              hold += input[_in++] << bits;
              bits += 8;
              if (bits < op) {
                hold += input[_in++] << bits;
                bits += 8;
              }
            }
            dist += hold & ((1 << op) - 1);
//#ifdef INFLATE_STRICT
            if (dist > dmax) {
              strm.msg = 'invalid distance too far back';
              state.mode = BAD;
              break top;
            }
//#endif
            hold >>>= op;
            bits -= op;
            //Tracevv((stderr, "inflate:         distance %u\n", dist));
            op = _out - beg;                /* max distance in output */
            if (dist > op) {                /* see if copy from window */
              op = dist - op;               /* distance back in window */
              if (op > whave) {
                if (state.sane) {
                  strm.msg = 'invalid distance too far back';
                  state.mode = BAD;
                  break top;
                }

// (!) This block is disabled in zlib defaults,
// don't enable it for binary compatibility
//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
//                if (len <= op - whave) {
//                  do {
//                    output[_out++] = 0;
//                  } while (--len);
//                  continue top;
//                }
//                len -= op - whave;
//                do {
//                  output[_out++] = 0;
//                } while (--op > whave);
//                if (op === 0) {
//                  from = _out - dist;
//                  do {
//                    output[_out++] = output[from++];
//                  } while (--len);
//                  continue top;
//                }
//#endif
              }
              from = 0; // window index
              from_source = s_window;
              if (wnext === 0) {           /* very common case */
                from += wsize - op;
                if (op < len) {         /* some from window */
                  len -= op;
                  do {
                    output[_out++] = s_window[from++];
                  } while (--op);
                  from = _out - dist;  /* rest from output */
                  from_source = output;
                }
              }
              else if (wnext < op) {      /* wrap around window */
                from += wsize + wnext - op;
                op -= wnext;
                if (op < len) {         /* some from end of window */
                  len -= op;
                  do {
                    output[_out++] = s_window[from++];
                  } while (--op);
                  from = 0;
                  if (wnext < len) {  /* some from start of window */
                    op = wnext;
                    len -= op;
                    do {
                      output[_out++] = s_window[from++];
                    } while (--op);
                    from = _out - dist;      /* rest from output */
                    from_source = output;
                  }
                }
              }
              else {                      /* contiguous in window */
                from += wnext - op;
                if (op < len) {         /* some from window */
                  len -= op;
                  do {
                    output[_out++] = s_window[from++];
                  } while (--op);
                  from = _out - dist;  /* rest from output */
                  from_source = output;
                }
              }
              while (len > 2) {
                output[_out++] = from_source[from++];
                output[_out++] = from_source[from++];
                output[_out++] = from_source[from++];
                len -= 3;
              }
              if (len) {
                output[_out++] = from_source[from++];
                if (len > 1) {
                  output[_out++] = from_source[from++];
                }
              }
            }
            else {
              from = _out - dist;          /* copy direct from output */
              do {                        /* minimum length is three */
                output[_out++] = output[from++];
                output[_out++] = output[from++];
                output[_out++] = output[from++];
                len -= 3;
              } while (len > 2);
              if (len) {
                output[_out++] = output[from++];
                if (len > 1) {
                  output[_out++] = output[from++];
                }
              }
            }
          }
          else if ((op & 64) === 0) {          /* 2nd level distance code */
            here = dcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
            continue dodist;
          }
          else {
            strm.msg = 'invalid distance code';
            state.mode = BAD;
            break top;
          }

          break; // need to emulate goto via "continue"
        }
      }
      else if ((op & 64) === 0) {              /* 2nd level length code */
        here = lcode[(here & 0xffff)/*here.val*/ + (hold & ((1 << op) - 1))];
        continue dolen;
      }
      else if (op & 32) {                     /* end-of-block */
        //Tracevv((stderr, "inflate:         end of block\n"));
        state.mode = TYPE;
        break top;
      }
      else {
        strm.msg = 'invalid literal/length code';
        state.mode = BAD;
        break top;
      }

      break; // need to emulate goto via "continue"
    }
  } while (_in < last && _out < end);

  /* return unused bytes (on entry, bits < 8, so in won't go too far back) */
  len = bits >> 3;
  _in -= len;
  bits -= len << 3;
  hold &= (1 << bits) - 1;

  /* update state and return */
  strm.next_in = _in;
  strm.next_out = _out;
  strm.avail_in = (_in < last ? 5 + (last - _in) : 5 - (_in - last));
  strm.avail_out = (_out < end ? 257 + (end - _out) : 257 - (_out - end));
  state.hold = hold;
  state.bits = bits;
  return;
};


/***/ }),

/***/ 23001:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

var utils         = __webpack_require__(6907);
var adler32       = __webpack_require__(47575);
var crc32         = __webpack_require__(13415);
var inflate_fast  = __webpack_require__(76438);
var inflate_table = __webpack_require__(11375);

var CODES = 0;
var LENS = 1;
var DISTS = 2;

/* Public constants ==========================================================*/
/* ===========================================================================*/


/* Allowed flush values; see deflate() and inflate() below for details */
//var Z_NO_FLUSH      = 0;
//var Z_PARTIAL_FLUSH = 1;
//var Z_SYNC_FLUSH    = 2;
//var Z_FULL_FLUSH    = 3;
var Z_FINISH        = 4;
var Z_BLOCK         = 5;
var Z_TREES         = 6;


/* Return codes for the compression/decompression functions. Negative values
 * are errors, positive values are used for special but normal events.
 */
var Z_OK            = 0;
var Z_STREAM_END    = 1;
var Z_NEED_DICT     = 2;
//var Z_ERRNO         = -1;
var Z_STREAM_ERROR  = -2;
var Z_DATA_ERROR    = -3;
var Z_MEM_ERROR     = -4;
var Z_BUF_ERROR     = -5;
//var Z_VERSION_ERROR = -6;

/* The deflate compression method */
var Z_DEFLATED  = 8;


/* STATES ====================================================================*/
/* ===========================================================================*/


var    HEAD = 1;       /* i: waiting for magic header */
var    FLAGS = 2;      /* i: waiting for method and flags (gzip) */
var    TIME = 3;       /* i: waiting for modification time (gzip) */
var    OS = 4;         /* i: waiting for extra flags and operating system (gzip) */
var    EXLEN = 5;      /* i: waiting for extra length (gzip) */
var    EXTRA = 6;      /* i: waiting for extra bytes (gzip) */
var    NAME = 7;       /* i: waiting for end of file name (gzip) */
var    COMMENT = 8;    /* i: waiting for end of comment (gzip) */
var    HCRC = 9;       /* i: waiting for header crc (gzip) */
var    DICTID = 10;    /* i: waiting for dictionary check value */
var    DICT = 11;      /* waiting for inflateSetDictionary() call */
var        TYPE = 12;      /* i: waiting for type bits, including last-flag bit */
var        TYPEDO = 13;    /* i: same, but skip check to exit inflate on new block */
var        STORED = 14;    /* i: waiting for stored size (length and complement) */
var        COPY_ = 15;     /* i/o: same as COPY below, but only first time in */
var        COPY = 16;      /* i/o: waiting for input or output to copy stored block */
var        TABLE = 17;     /* i: waiting for dynamic block table lengths */
var        LENLENS = 18;   /* i: waiting for code length code lengths */
var        CODELENS = 19;  /* i: waiting for length/lit and distance code lengths */
var            LEN_ = 20;      /* i: same as LEN below, but only first time in */
var            LEN = 21;       /* i: waiting for length/lit/eob code */
var            LENEXT = 22;    /* i: waiting for length extra bits */
var            DIST = 23;      /* i: waiting for distance code */
var            DISTEXT = 24;   /* i: waiting for distance extra bits */
var            MATCH = 25;     /* o: waiting for output space to copy string */
var            LIT = 26;       /* o: waiting for output space to write literal */
var    CHECK = 27;     /* i: waiting for 32-bit check value */
var    LENGTH = 28;    /* i: waiting for 32-bit length (gzip) */
var    DONE = 29;      /* finished check, done -- remain here until reset */
var    BAD = 30;       /* got a data error -- remain here until reset */
var    MEM = 31;       /* got an inflate() memory error -- remain here until reset */
var    SYNC = 32;      /* looking for synchronization bytes to restart inflate() */

/* ===========================================================================*/



var ENOUGH_LENS = 852;
var ENOUGH_DISTS = 592;
//var ENOUGH =  (ENOUGH_LENS+ENOUGH_DISTS);

var MAX_WBITS = 15;
/* 32K LZ77 window */
var DEF_WBITS = MAX_WBITS;


function zswap32(q) {
  return  (((q >>> 24) & 0xff) +
          ((q >>> 8) & 0xff00) +
          ((q & 0xff00) << 8) +
          ((q & 0xff) << 24));
}


function InflateState() {
  this.mode = 0;             /* current inflate mode */
  this.last = false;          /* true if processing last block */
  this.wrap = 0;              /* bit 0 true for zlib, bit 1 true for gzip */
  this.havedict = false;      /* true if dictionary provided */
  this.flags = 0;             /* gzip header method and flags (0 if zlib) */
  this.dmax = 0;              /* zlib header max distance (INFLATE_STRICT) */
  this.check = 0;             /* protected copy of check value */
  this.total = 0;             /* protected copy of output count */
  // TODO: may be {}
  this.head = null;           /* where to save gzip header information */

  /* sliding window */
  this.wbits = 0;             /* log base 2 of requested window size */
  this.wsize = 0;             /* window size or zero if not using window */
  this.whave = 0;             /* valid bytes in the window */
  this.wnext = 0;             /* window write index */
  this.window = null;         /* allocated sliding window, if needed */

  /* bit accumulator */
  this.hold = 0;              /* input bit accumulator */
  this.bits = 0;              /* number of bits in "in" */

  /* for string and stored block copying */
  this.length = 0;            /* literal or length of data to copy */
  this.offset = 0;            /* distance back to copy string from */

  /* for table and code decoding */
  this.extra = 0;             /* extra bits needed */

  /* fixed and dynamic code tables */
  this.lencode = null;          /* starting table for length/literal codes */
  this.distcode = null;         /* starting table for distance codes */
  this.lenbits = 0;           /* index bits for lencode */
  this.distbits = 0;          /* index bits for distcode */

  /* dynamic table building */
  this.ncode = 0;             /* number of code length code lengths */
  this.nlen = 0;              /* number of length code lengths */
  this.ndist = 0;             /* number of distance code lengths */
  this.have = 0;              /* number of code lengths in lens[] */
  this.next = null;              /* next available space in codes[] */

  this.lens = new utils.Buf16(320); /* temporary storage for code lengths */
  this.work = new utils.Buf16(288); /* work area for code table building */

  /*
   because we don't have pointers in js, we use lencode and distcode directly
   as buffers so we don't need codes
  */
  //this.codes = new utils.Buf32(ENOUGH);       /* space for code tables */
  this.lendyn = null;              /* dynamic table for length/literal codes (JS specific) */
  this.distdyn = null;             /* dynamic table for distance codes (JS specific) */
  this.sane = 0;                   /* if false, allow invalid distance too far */
  this.back = 0;                   /* bits back of last unprocessed length/lit */
  this.was = 0;                    /* initial length of match */
}

function inflateResetKeep(strm) {
  var state;

  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
  state = strm.state;
  strm.total_in = strm.total_out = state.total = 0;
  strm.msg = ''; /*Z_NULL*/
  if (state.wrap) {       /* to support ill-conceived Java test suite */
    strm.adler = state.wrap & 1;
  }
  state.mode = HEAD;
  state.last = 0;
  state.havedict = 0;
  state.dmax = 32768;
  state.head = null/*Z_NULL*/;
  state.hold = 0;
  state.bits = 0;
  //state.lencode = state.distcode = state.next = state.codes;
  state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS);
  state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS);

  state.sane = 1;
  state.back = -1;
  //Tracev((stderr, "inflate: reset\n"));
  return Z_OK;
}

function inflateReset(strm) {
  var state;

  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
  state = strm.state;
  state.wsize = 0;
  state.whave = 0;
  state.wnext = 0;
  return inflateResetKeep(strm);

}

function inflateReset2(strm, windowBits) {
  var wrap;
  var state;

  /* get the state */
  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
  state = strm.state;

  /* extract wrap request from windowBits parameter */
  if (windowBits < 0) {
    wrap = 0;
    windowBits = -windowBits;
  }
  else {
    wrap = (windowBits >> 4) + 1;
    if (windowBits < 48) {
      windowBits &= 15;
    }
  }

  /* set number of window bits, free window if different */
  if (windowBits && (windowBits < 8 || windowBits > 15)) {
    return Z_STREAM_ERROR;
  }
  if (state.window !== null && state.wbits !== windowBits) {
    state.window = null;
  }

  /* update state and reset the rest of it */
  state.wrap = wrap;
  state.wbits = windowBits;
  return inflateReset(strm);
}

function inflateInit2(strm, windowBits) {
  var ret;
  var state;

  if (!strm) { return Z_STREAM_ERROR; }
  //strm.msg = Z_NULL;                 /* in case we return an error */

  state = new InflateState();

  //if (state === Z_NULL) return Z_MEM_ERROR;
  //Tracev((stderr, "inflate: allocated\n"));
  strm.state = state;
  state.window = null/*Z_NULL*/;
  ret = inflateReset2(strm, windowBits);
  if (ret !== Z_OK) {
    strm.state = null/*Z_NULL*/;
  }
  return ret;
}

function inflateInit(strm) {
  return inflateInit2(strm, DEF_WBITS);
}


/*
 Return state with length and distance decoding tables and index sizes set to
 fixed code decoding.  Normally this returns fixed tables from inffixed.h.
 If BUILDFIXED is defined, then instead this routine builds the tables the
 first time it's called, and returns those tables the first time and
 thereafter.  This reduces the size of the code by about 2K bytes, in
 exchange for a little execution time.  However, BUILDFIXED should not be
 used for threaded applications, since the rewriting of the tables and virgin
 may not be thread-safe.
 */
var virgin = true;

var lenfix, distfix; // We have no pointers in JS, so keep tables separate

function fixedtables(state) {
  /* build fixed huffman tables if first call (may not be thread safe) */
  if (virgin) {
    var sym;

    lenfix = new utils.Buf32(512);
    distfix = new utils.Buf32(32);

    /* literal/length table */
    sym = 0;
    while (sym < 144) { state.lens[sym++] = 8; }
    while (sym < 256) { state.lens[sym++] = 9; }
    while (sym < 280) { state.lens[sym++] = 7; }
    while (sym < 288) { state.lens[sym++] = 8; }

    inflate_table(LENS,  state.lens, 0, 288, lenfix,   0, state.work, { bits: 9 });

    /* distance table */
    sym = 0;
    while (sym < 32) { state.lens[sym++] = 5; }

    inflate_table(DISTS, state.lens, 0, 32,   distfix, 0, state.work, { bits: 5 });

    /* do this just once */
    virgin = false;
  }

  state.lencode = lenfix;
  state.lenbits = 9;
  state.distcode = distfix;
  state.distbits = 5;
}


/*
 Update the window with the last wsize (normally 32K) bytes written before
 returning.  If window does not exist yet, create it.  This is only called
 when a window is already in use, or when output has been written during this
 inflate call, but the end of the deflate stream has not been reached yet.
 It is also called to create a window for dictionary data when a dictionary
 is loaded.

 Providing output buffers larger than 32K to inflate() should provide a speed
 advantage, since only the last 32K of output is copied to the sliding window
 upon return from inflate(), and since all distances after the first 32K of
 output will fall in the output data, making match copies simpler and faster.
 The advantage may be dependent on the size of the processor's data caches.
 */
function updatewindow(strm, src, end, copy) {
  var dist;
  var state = strm.state;

  /* if it hasn't been done already, allocate space for the window */
  if (state.window === null) {
    state.wsize = 1 << state.wbits;
    state.wnext = 0;
    state.whave = 0;

    state.window = new utils.Buf8(state.wsize);
  }

  /* copy state->wsize or less output bytes into the circular window */
  if (copy >= state.wsize) {
    utils.arraySet(state.window, src, end - state.wsize, state.wsize, 0);
    state.wnext = 0;
    state.whave = state.wsize;
  }
  else {
    dist = state.wsize - state.wnext;
    if (dist > copy) {
      dist = copy;
    }
    //zmemcpy(state->window + state->wnext, end - copy, dist);
    utils.arraySet(state.window, src, end - copy, dist, state.wnext);
    copy -= dist;
    if (copy) {
      //zmemcpy(state->window, end - copy, copy);
      utils.arraySet(state.window, src, end - copy, copy, 0);
      state.wnext = copy;
      state.whave = state.wsize;
    }
    else {
      state.wnext += dist;
      if (state.wnext === state.wsize) { state.wnext = 0; }
      if (state.whave < state.wsize) { state.whave += dist; }
    }
  }
  return 0;
}

function inflate(strm, flush) {
  var state;
  var input, output;          // input/output buffers
  var next;                   /* next input INDEX */
  var put;                    /* next output INDEX */
  var have, left;             /* available input and output */
  var hold;                   /* bit buffer */
  var bits;                   /* bits in bit buffer */
  var _in, _out;              /* save starting available input and output */
  var copy;                   /* number of stored or match bytes to copy */
  var from;                   /* where to copy match bytes from */
  var from_source;
  var here = 0;               /* current decoding table entry */
  var here_bits, here_op, here_val; // paked "here" denormalized (JS specific)
  //var last;                   /* parent table entry */
  var last_bits, last_op, last_val; // paked "last" denormalized (JS specific)
  var len;                    /* length to copy for repeats, bits to drop */
  var ret;                    /* return code */
  var hbuf = new utils.Buf8(4);    /* buffer for gzip header crc calculation */
  var opts;

  var n; // temporary var for NEED_BITS

  var order = /* permutation of code lengths */
    [ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ];


  if (!strm || !strm.state || !strm.output ||
      (!strm.input && strm.avail_in !== 0)) {
    return Z_STREAM_ERROR;
  }

  state = strm.state;
  if (state.mode === TYPE) { state.mode = TYPEDO; }    /* skip check */


  //--- LOAD() ---
  put = strm.next_out;
  output = strm.output;
  left = strm.avail_out;
  next = strm.next_in;
  input = strm.input;
  have = strm.avail_in;
  hold = state.hold;
  bits = state.bits;
  //---

  _in = have;
  _out = left;
  ret = Z_OK;

  inf_leave: // goto emulation
  for (;;) {
    switch (state.mode) {
      case HEAD:
        if (state.wrap === 0) {
          state.mode = TYPEDO;
          break;
        }
        //=== NEEDBITS(16);
        while (bits < 16) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        if ((state.wrap & 2) && hold === 0x8b1f) {  /* gzip header */
          state.check = 0/*crc32(0L, Z_NULL, 0)*/;
          //=== CRC2(state.check, hold);
          hbuf[0] = hold & 0xff;
          hbuf[1] = (hold >>> 8) & 0xff;
          state.check = crc32(state.check, hbuf, 2, 0);
          //===//

          //=== INITBITS();
          hold = 0;
          bits = 0;
          //===//
          state.mode = FLAGS;
          break;
        }
        state.flags = 0;           /* expect zlib header */
        if (state.head) {
          state.head.done = false;
        }
        if (!(state.wrap & 1) ||   /* check if zlib header allowed */
          (((hold & 0xff)/*BITS(8)*/ << 8) + (hold >> 8)) % 31) {
          strm.msg = 'incorrect header check';
          state.mode = BAD;
          break;
        }
        if ((hold & 0x0f)/*BITS(4)*/ !== Z_DEFLATED) {
          strm.msg = 'unknown compression method';
          state.mode = BAD;
          break;
        }
        //--- DROPBITS(4) ---//
        hold >>>= 4;
        bits -= 4;
        //---//
        len = (hold & 0x0f)/*BITS(4)*/ + 8;
        if (state.wbits === 0) {
          state.wbits = len;
        }
        else if (len > state.wbits) {
          strm.msg = 'invalid window size';
          state.mode = BAD;
          break;
        }
        state.dmax = 1 << len;
        //Tracev((stderr, "inflate:   zlib header ok\n"));
        strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
        state.mode = hold & 0x200 ? DICTID : TYPE;
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        break;
      case FLAGS:
        //=== NEEDBITS(16); */
        while (bits < 16) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        state.flags = hold;
        if ((state.flags & 0xff) !== Z_DEFLATED) {
          strm.msg = 'unknown compression method';
          state.mode = BAD;
          break;
        }
        if (state.flags & 0xe000) {
          strm.msg = 'unknown header flags set';
          state.mode = BAD;
          break;
        }
        if (state.head) {
          state.head.text = ((hold >> 8) & 1);
        }
        if (state.flags & 0x0200) {
          //=== CRC2(state.check, hold);
          hbuf[0] = hold & 0xff;
          hbuf[1] = (hold >>> 8) & 0xff;
          state.check = crc32(state.check, hbuf, 2, 0);
          //===//
        }
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        state.mode = TIME;
        /* falls through */
      case TIME:
        //=== NEEDBITS(32); */
        while (bits < 32) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        if (state.head) {
          state.head.time = hold;
        }
        if (state.flags & 0x0200) {
          //=== CRC4(state.check, hold)
          hbuf[0] = hold & 0xff;
          hbuf[1] = (hold >>> 8) & 0xff;
          hbuf[2] = (hold >>> 16) & 0xff;
          hbuf[3] = (hold >>> 24) & 0xff;
          state.check = crc32(state.check, hbuf, 4, 0);
          //===
        }
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        state.mode = OS;
        /* falls through */
      case OS:
        //=== NEEDBITS(16); */
        while (bits < 16) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        if (state.head) {
          state.head.xflags = (hold & 0xff);
          state.head.os = (hold >> 8);
        }
        if (state.flags & 0x0200) {
          //=== CRC2(state.check, hold);
          hbuf[0] = hold & 0xff;
          hbuf[1] = (hold >>> 8) & 0xff;
          state.check = crc32(state.check, hbuf, 2, 0);
          //===//
        }
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        state.mode = EXLEN;
        /* falls through */
      case EXLEN:
        if (state.flags & 0x0400) {
          //=== NEEDBITS(16); */
          while (bits < 16) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          state.length = hold;
          if (state.head) {
            state.head.extra_len = hold;
          }
          if (state.flags & 0x0200) {
            //=== CRC2(state.check, hold);
            hbuf[0] = hold & 0xff;
            hbuf[1] = (hold >>> 8) & 0xff;
            state.check = crc32(state.check, hbuf, 2, 0);
            //===//
          }
          //=== INITBITS();
          hold = 0;
          bits = 0;
          //===//
        }
        else if (state.head) {
          state.head.extra = null/*Z_NULL*/;
        }
        state.mode = EXTRA;
        /* falls through */
      case EXTRA:
        if (state.flags & 0x0400) {
          copy = state.length;
          if (copy > have) { copy = have; }
          if (copy) {
            if (state.head) {
              len = state.head.extra_len - state.length;
              if (!state.head.extra) {
                // Use untyped array for more convenient processing later
                state.head.extra = new Array(state.head.extra_len);
              }
              utils.arraySet(
                state.head.extra,
                input,
                next,
                // extra field is limited to 65536 bytes
                // - no need for additional size check
                copy,
                /*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/
                len
              );
              //zmemcpy(state.head.extra + len, next,
              //        len + copy > state.head.extra_max ?
              //        state.head.extra_max - len : copy);
            }
            if (state.flags & 0x0200) {
              state.check = crc32(state.check, input, copy, next);
            }
            have -= copy;
            next += copy;
            state.length -= copy;
          }
          if (state.length) { break inf_leave; }
        }
        state.length = 0;
        state.mode = NAME;
        /* falls through */
      case NAME:
        if (state.flags & 0x0800) {
          if (have === 0) { break inf_leave; }
          copy = 0;
          do {
            // TODO: 2 or 1 bytes?
            len = input[next + copy++];
            /* use constant limit because in js we should not preallocate memory */
            if (state.head && len &&
                (state.length < 65536 /*state.head.name_max*/)) {
              state.head.name += String.fromCharCode(len);
            }
          } while (len && copy < have);

          if (state.flags & 0x0200) {
            state.check = crc32(state.check, input, copy, next);
          }
          have -= copy;
          next += copy;
          if (len) { break inf_leave; }
        }
        else if (state.head) {
          state.head.name = null;
        }
        state.length = 0;
        state.mode = COMMENT;
        /* falls through */
      case COMMENT:
        if (state.flags & 0x1000) {
          if (have === 0) { break inf_leave; }
          copy = 0;
          do {
            len = input[next + copy++];
            /* use constant limit because in js we should not preallocate memory */
            if (state.head && len &&
                (state.length < 65536 /*state.head.comm_max*/)) {
              state.head.comment += String.fromCharCode(len);
            }
          } while (len && copy < have);
          if (state.flags & 0x0200) {
            state.check = crc32(state.check, input, copy, next);
          }
          have -= copy;
          next += copy;
          if (len) { break inf_leave; }
        }
        else if (state.head) {
          state.head.comment = null;
        }
        state.mode = HCRC;
        /* falls through */
      case HCRC:
        if (state.flags & 0x0200) {
          //=== NEEDBITS(16); */
          while (bits < 16) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          if (hold !== (state.check & 0xffff)) {
            strm.msg = 'header crc mismatch';
            state.mode = BAD;
            break;
          }
          //=== INITBITS();
          hold = 0;
          bits = 0;
          //===//
        }
        if (state.head) {
          state.head.hcrc = ((state.flags >> 9) & 1);
          state.head.done = true;
        }
        strm.adler = state.check = 0;
        state.mode = TYPE;
        break;
      case DICTID:
        //=== NEEDBITS(32); */
        while (bits < 32) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        strm.adler = state.check = zswap32(hold);
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        state.mode = DICT;
        /* falls through */
      case DICT:
        if (state.havedict === 0) {
          //--- RESTORE() ---
          strm.next_out = put;
          strm.avail_out = left;
          strm.next_in = next;
          strm.avail_in = have;
          state.hold = hold;
          state.bits = bits;
          //---
          return Z_NEED_DICT;
        }
        strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/;
        state.mode = TYPE;
        /* falls through */
      case TYPE:
        if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; }
        /* falls through */
      case TYPEDO:
        if (state.last) {
          //--- BYTEBITS() ---//
          hold >>>= bits & 7;
          bits -= bits & 7;
          //---//
          state.mode = CHECK;
          break;
        }
        //=== NEEDBITS(3); */
        while (bits < 3) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        state.last = (hold & 0x01)/*BITS(1)*/;
        //--- DROPBITS(1) ---//
        hold >>>= 1;
        bits -= 1;
        //---//

        switch ((hold & 0x03)/*BITS(2)*/) {
          case 0:                             /* stored block */
            //Tracev((stderr, "inflate:     stored block%s\n",
            //        state.last ? " (last)" : ""));
            state.mode = STORED;
            break;
          case 1:                             /* fixed block */
            fixedtables(state);
            //Tracev((stderr, "inflate:     fixed codes block%s\n",
            //        state.last ? " (last)" : ""));
            state.mode = LEN_;             /* decode codes */
            if (flush === Z_TREES) {
              //--- DROPBITS(2) ---//
              hold >>>= 2;
              bits -= 2;
              //---//
              break inf_leave;
            }
            break;
          case 2:                             /* dynamic block */
            //Tracev((stderr, "inflate:     dynamic codes block%s\n",
            //        state.last ? " (last)" : ""));
            state.mode = TABLE;
            break;
          case 3:
            strm.msg = 'invalid block type';
            state.mode = BAD;
        }
        //--- DROPBITS(2) ---//
        hold >>>= 2;
        bits -= 2;
        //---//
        break;
      case STORED:
        //--- BYTEBITS() ---// /* go to byte boundary */
        hold >>>= bits & 7;
        bits -= bits & 7;
        //---//
        //=== NEEDBITS(32); */
        while (bits < 32) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) {
          strm.msg = 'invalid stored block lengths';
          state.mode = BAD;
          break;
        }
        state.length = hold & 0xffff;
        //Tracev((stderr, "inflate:       stored length %u\n",
        //        state.length));
        //=== INITBITS();
        hold = 0;
        bits = 0;
        //===//
        state.mode = COPY_;
        if (flush === Z_TREES) { break inf_leave; }
        /* falls through */
      case COPY_:
        state.mode = COPY;
        /* falls through */
      case COPY:
        copy = state.length;
        if (copy) {
          if (copy > have) { copy = have; }
          if (copy > left) { copy = left; }
          if (copy === 0) { break inf_leave; }
          //--- zmemcpy(put, next, copy); ---
          utils.arraySet(output, input, next, copy, put);
          //---//
          have -= copy;
          next += copy;
          left -= copy;
          put += copy;
          state.length -= copy;
          break;
        }
        //Tracev((stderr, "inflate:       stored end\n"));
        state.mode = TYPE;
        break;
      case TABLE:
        //=== NEEDBITS(14); */
        while (bits < 14) {
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
        }
        //===//
        state.nlen = (hold & 0x1f)/*BITS(5)*/ + 257;
        //--- DROPBITS(5) ---//
        hold >>>= 5;
        bits -= 5;
        //---//
        state.ndist = (hold & 0x1f)/*BITS(5)*/ + 1;
        //--- DROPBITS(5) ---//
        hold >>>= 5;
        bits -= 5;
        //---//
        state.ncode = (hold & 0x0f)/*BITS(4)*/ + 4;
        //--- DROPBITS(4) ---//
        hold >>>= 4;
        bits -= 4;
        //---//
//#ifndef PKZIP_BUG_WORKAROUND
        if (state.nlen > 286 || state.ndist > 30) {
          strm.msg = 'too many length or distance symbols';
          state.mode = BAD;
          break;
        }
//#endif
        //Tracev((stderr, "inflate:       table sizes ok\n"));
        state.have = 0;
        state.mode = LENLENS;
        /* falls through */
      case LENLENS:
        while (state.have < state.ncode) {
          //=== NEEDBITS(3);
          while (bits < 3) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          state.lens[order[state.have++]] = (hold & 0x07);//BITS(3);
          //--- DROPBITS(3) ---//
          hold >>>= 3;
          bits -= 3;
          //---//
        }
        while (state.have < 19) {
          state.lens[order[state.have++]] = 0;
        }
        // We have separate tables & no pointers. 2 commented lines below not needed.
        //state.next = state.codes;
        //state.lencode = state.next;
        // Switch to use dynamic table
        state.lencode = state.lendyn;
        state.lenbits = 7;

        opts = { bits: state.lenbits };
        ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
        state.lenbits = opts.bits;

        if (ret) {
          strm.msg = 'invalid code lengths set';
          state.mode = BAD;
          break;
        }
        //Tracev((stderr, "inflate:       code lengths ok\n"));
        state.have = 0;
        state.mode = CODELENS;
        /* falls through */
      case CODELENS:
        while (state.have < state.nlen + state.ndist) {
          for (;;) {
            here = state.lencode[hold & ((1 << state.lenbits) - 1)];/*BITS(state.lenbits)*/
            here_bits = here >>> 24;
            here_op = (here >>> 16) & 0xff;
            here_val = here & 0xffff;

            if ((here_bits) <= bits) { break; }
            //--- PULLBYTE() ---//
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
            //---//
          }
          if (here_val < 16) {
            //--- DROPBITS(here.bits) ---//
            hold >>>= here_bits;
            bits -= here_bits;
            //---//
            state.lens[state.have++] = here_val;
          }
          else {
            if (here_val === 16) {
              //=== NEEDBITS(here.bits + 2);
              n = here_bits + 2;
              while (bits < n) {
                if (have === 0) { break inf_leave; }
                have--;
                hold += input[next++] << bits;
                bits += 8;
              }
              //===//
              //--- DROPBITS(here.bits) ---//
              hold >>>= here_bits;
              bits -= here_bits;
              //---//
              if (state.have === 0) {
                strm.msg = 'invalid bit length repeat';
                state.mode = BAD;
                break;
              }
              len = state.lens[state.have - 1];
              copy = 3 + (hold & 0x03);//BITS(2);
              //--- DROPBITS(2) ---//
              hold >>>= 2;
              bits -= 2;
              //---//
            }
            else if (here_val === 17) {
              //=== NEEDBITS(here.bits + 3);
              n = here_bits + 3;
              while (bits < n) {
                if (have === 0) { break inf_leave; }
                have--;
                hold += input[next++] << bits;
                bits += 8;
              }
              //===//
              //--- DROPBITS(here.bits) ---//
              hold >>>= here_bits;
              bits -= here_bits;
              //---//
              len = 0;
              copy = 3 + (hold & 0x07);//BITS(3);
              //--- DROPBITS(3) ---//
              hold >>>= 3;
              bits -= 3;
              //---//
            }
            else {
              //=== NEEDBITS(here.bits + 7);
              n = here_bits + 7;
              while (bits < n) {
                if (have === 0) { break inf_leave; }
                have--;
                hold += input[next++] << bits;
                bits += 8;
              }
              //===//
              //--- DROPBITS(here.bits) ---//
              hold >>>= here_bits;
              bits -= here_bits;
              //---//
              len = 0;
              copy = 11 + (hold & 0x7f);//BITS(7);
              //--- DROPBITS(7) ---//
              hold >>>= 7;
              bits -= 7;
              //---//
            }
            if (state.have + copy > state.nlen + state.ndist) {
              strm.msg = 'invalid bit length repeat';
              state.mode = BAD;
              break;
            }
            while (copy--) {
              state.lens[state.have++] = len;
            }
          }
        }

        /* handle error breaks in while */
        if (state.mode === BAD) { break; }

        /* check for end-of-block code (better have one) */
        if (state.lens[256] === 0) {
          strm.msg = 'invalid code -- missing end-of-block';
          state.mode = BAD;
          break;
        }

        /* build code tables -- note: do not change the lenbits or distbits
           values here (9 and 6) without reading the comments in inftrees.h
           concerning the ENOUGH constants, which depend on those values */
        state.lenbits = 9;

        opts = { bits: state.lenbits };
        ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
        // We have separate tables & no pointers. 2 commented lines below not needed.
        // state.next_index = opts.table_index;
        state.lenbits = opts.bits;
        // state.lencode = state.next;

        if (ret) {
          strm.msg = 'invalid literal/lengths set';
          state.mode = BAD;
          break;
        }

        state.distbits = 6;
        //state.distcode.copy(state.codes);
        // Switch to use dynamic table
        state.distcode = state.distdyn;
        opts = { bits: state.distbits };
        ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
        // We have separate tables & no pointers. 2 commented lines below not needed.
        // state.next_index = opts.table_index;
        state.distbits = opts.bits;
        // state.distcode = state.next;

        if (ret) {
          strm.msg = 'invalid distances set';
          state.mode = BAD;
          break;
        }
        //Tracev((stderr, 'inflate:       codes ok\n'));
        state.mode = LEN_;
        if (flush === Z_TREES) { break inf_leave; }
        /* falls through */
      case LEN_:
        state.mode = LEN;
        /* falls through */
      case LEN:
        if (have >= 6 && left >= 258) {
          //--- RESTORE() ---
          strm.next_out = put;
          strm.avail_out = left;
          strm.next_in = next;
          strm.avail_in = have;
          state.hold = hold;
          state.bits = bits;
          //---
          inflate_fast(strm, _out);
          //--- LOAD() ---
          put = strm.next_out;
          output = strm.output;
          left = strm.avail_out;
          next = strm.next_in;
          input = strm.input;
          have = strm.avail_in;
          hold = state.hold;
          bits = state.bits;
          //---

          if (state.mode === TYPE) {
            state.back = -1;
          }
          break;
        }
        state.back = 0;
        for (;;) {
          here = state.lencode[hold & ((1 << state.lenbits) - 1)];  /*BITS(state.lenbits)*/
          here_bits = here >>> 24;
          here_op = (here >>> 16) & 0xff;
          here_val = here & 0xffff;

          if (here_bits <= bits) { break; }
          //--- PULLBYTE() ---//
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
          //---//
        }
        if (here_op && (here_op & 0xf0) === 0) {
          last_bits = here_bits;
          last_op = here_op;
          last_val = here_val;
          for (;;) {
            here = state.lencode[last_val +
                    ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
            here_bits = here >>> 24;
            here_op = (here >>> 16) & 0xff;
            here_val = here & 0xffff;

            if ((last_bits + here_bits) <= bits) { break; }
            //--- PULLBYTE() ---//
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
            //---//
          }
          //--- DROPBITS(last.bits) ---//
          hold >>>= last_bits;
          bits -= last_bits;
          //---//
          state.back += last_bits;
        }
        //--- DROPBITS(here.bits) ---//
        hold >>>= here_bits;
        bits -= here_bits;
        //---//
        state.back += here_bits;
        state.length = here_val;
        if (here_op === 0) {
          //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
          //        "inflate:         literal '%c'\n" :
          //        "inflate:         literal 0x%02x\n", here.val));
          state.mode = LIT;
          break;
        }
        if (here_op & 32) {
          //Tracevv((stderr, "inflate:         end of block\n"));
          state.back = -1;
          state.mode = TYPE;
          break;
        }
        if (here_op & 64) {
          strm.msg = 'invalid literal/length code';
          state.mode = BAD;
          break;
        }
        state.extra = here_op & 15;
        state.mode = LENEXT;
        /* falls through */
      case LENEXT:
        if (state.extra) {
          //=== NEEDBITS(state.extra);
          n = state.extra;
          while (bits < n) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
          //--- DROPBITS(state.extra) ---//
          hold >>>= state.extra;
          bits -= state.extra;
          //---//
          state.back += state.extra;
        }
        //Tracevv((stderr, "inflate:         length %u\n", state.length));
        state.was = state.length;
        state.mode = DIST;
        /* falls through */
      case DIST:
        for (;;) {
          here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/
          here_bits = here >>> 24;
          here_op = (here >>> 16) & 0xff;
          here_val = here & 0xffff;

          if ((here_bits) <= bits) { break; }
          //--- PULLBYTE() ---//
          if (have === 0) { break inf_leave; }
          have--;
          hold += input[next++] << bits;
          bits += 8;
          //---//
        }
        if ((here_op & 0xf0) === 0) {
          last_bits = here_bits;
          last_op = here_op;
          last_val = here_val;
          for (;;) {
            here = state.distcode[last_val +
                    ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
            here_bits = here >>> 24;
            here_op = (here >>> 16) & 0xff;
            here_val = here & 0xffff;

            if ((last_bits + here_bits) <= bits) { break; }
            //--- PULLBYTE() ---//
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
            //---//
          }
          //--- DROPBITS(last.bits) ---//
          hold >>>= last_bits;
          bits -= last_bits;
          //---//
          state.back += last_bits;
        }
        //--- DROPBITS(here.bits) ---//
        hold >>>= here_bits;
        bits -= here_bits;
        //---//
        state.back += here_bits;
        if (here_op & 64) {
          strm.msg = 'invalid distance code';
          state.mode = BAD;
          break;
        }
        state.offset = here_val;
        state.extra = (here_op) & 15;
        state.mode = DISTEXT;
        /* falls through */
      case DISTEXT:
        if (state.extra) {
          //=== NEEDBITS(state.extra);
          n = state.extra;
          while (bits < n) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
          //--- DROPBITS(state.extra) ---//
          hold >>>= state.extra;
          bits -= state.extra;
          //---//
          state.back += state.extra;
        }
//#ifdef INFLATE_STRICT
        if (state.offset > state.dmax) {
          strm.msg = 'invalid distance too far back';
          state.mode = BAD;
          break;
        }
//#endif
        //Tracevv((stderr, "inflate:         distance %u\n", state.offset));
        state.mode = MATCH;
        /* falls through */
      case MATCH:
        if (left === 0) { break inf_leave; }
        copy = _out - left;
        if (state.offset > copy) {         /* copy from window */
          copy = state.offset - copy;
          if (copy > state.whave) {
            if (state.sane) {
              strm.msg = 'invalid distance too far back';
              state.mode = BAD;
              break;
            }
// (!) This block is disabled in zlib defaults,
// don't enable it for binary compatibility
//#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
//          Trace((stderr, "inflate.c too far\n"));
//          copy -= state.whave;
//          if (copy > state.length) { copy = state.length; }
//          if (copy > left) { copy = left; }
//          left -= copy;
//          state.length -= copy;
//          do {
//            output[put++] = 0;
//          } while (--copy);
//          if (state.length === 0) { state.mode = LEN; }
//          break;
//#endif
          }
          if (copy > state.wnext) {
            copy -= state.wnext;
            from = state.wsize - copy;
          }
          else {
            from = state.wnext - copy;
          }
          if (copy > state.length) { copy = state.length; }
          from_source = state.window;
        }
        else {                              /* copy from output */
          from_source = output;
          from = put - state.offset;
          copy = state.length;
        }
        if (copy > left) { copy = left; }
        left -= copy;
        state.length -= copy;
        do {
          output[put++] = from_source[from++];
        } while (--copy);
        if (state.length === 0) { state.mode = LEN; }
        break;
      case LIT:
        if (left === 0) { break inf_leave; }
        output[put++] = state.length;
        left--;
        state.mode = LEN;
        break;
      case CHECK:
        if (state.wrap) {
          //=== NEEDBITS(32);
          while (bits < 32) {
            if (have === 0) { break inf_leave; }
            have--;
            // Use '|' instead of '+' to make sure that result is signed
            hold |= input[next++] << bits;
            bits += 8;
          }
          //===//
          _out -= left;
          strm.total_out += _out;
          state.total += _out;
          if (_out) {
            strm.adler = state.check =
                /*UPDATE(state.check, put - _out, _out);*/
                (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out));

          }
          _out = left;
          // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too
          if ((state.flags ? hold : zswap32(hold)) !== state.check) {
            strm.msg = 'incorrect data check';
            state.mode = BAD;
            break;
          }
          //=== INITBITS();
          hold = 0;
          bits = 0;
          //===//
          //Tracev((stderr, "inflate:   check matches trailer\n"));
        }
        state.mode = LENGTH;
        /* falls through */
      case LENGTH:
        if (state.wrap && state.flags) {
          //=== NEEDBITS(32);
          while (bits < 32) {
            if (have === 0) { break inf_leave; }
            have--;
            hold += input[next++] << bits;
            bits += 8;
          }
          //===//
          if (hold !== (state.total & 0xffffffff)) {
            strm.msg = 'incorrect length check';
            state.mode = BAD;
            break;
          }
          //=== INITBITS();
          hold = 0;
          bits = 0;
          //===//
          //Tracev((stderr, "inflate:   length matches trailer\n"));
        }
        state.mode = DONE;
        /* falls through */
      case DONE:
        ret = Z_STREAM_END;
        break inf_leave;
      case BAD:
        ret = Z_DATA_ERROR;
        break inf_leave;
      case MEM:
        return Z_MEM_ERROR;
      case SYNC:
        /* falls through */
      default:
        return Z_STREAM_ERROR;
    }
  }

  // inf_leave <- here is real place for "goto inf_leave", emulated via "break inf_leave"

  /*
     Return from inflate(), updating the total counts and the check value.
     If there was no progress during the inflate() call, return a buffer
     error.  Call updatewindow() to create and/or update the window state.
     Note: a memory error from inflate() is non-recoverable.
   */

  //--- RESTORE() ---
  strm.next_out = put;
  strm.avail_out = left;
  strm.next_in = next;
  strm.avail_in = have;
  state.hold = hold;
  state.bits = bits;
  //---

  if (state.wsize || (_out !== strm.avail_out && state.mode < BAD &&
                      (state.mode < CHECK || flush !== Z_FINISH))) {
    if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
      state.mode = MEM;
      return Z_MEM_ERROR;
    }
  }
  _in -= strm.avail_in;
  _out -= strm.avail_out;
  strm.total_in += _in;
  strm.total_out += _out;
  state.total += _out;
  if (state.wrap && _out) {
    strm.adler = state.check = /*UPDATE(state.check, strm.next_out - _out, _out);*/
      (state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out));
  }
  strm.data_type = state.bits + (state.last ? 64 : 0) +
                    (state.mode === TYPE ? 128 : 0) +
                    (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
  if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) {
    ret = Z_BUF_ERROR;
  }
  return ret;
}

function inflateEnd(strm) {

  if (!strm || !strm.state /*|| strm->zfree == (free_func)0*/) {
    return Z_STREAM_ERROR;
  }

  var state = strm.state;
  if (state.window) {
    state.window = null;
  }
  strm.state = null;
  return Z_OK;
}

function inflateGetHeader(strm, head) {
  var state;

  /* check state */
  if (!strm || !strm.state) { return Z_STREAM_ERROR; }
  state = strm.state;
  if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; }

  /* save header structure */
  state.head = head;
  head.done = false;
  return Z_OK;
}

function inflateSetDictionary(strm, dictionary) {
  var dictLength = dictionary.length;

  var state;
  var dictid;
  var ret;

  /* check state */
  if (!strm /* == Z_NULL */ || !strm.state /* == Z_NULL */) { return Z_STREAM_ERROR; }
  state = strm.state;

  if (state.wrap !== 0 && state.mode !== DICT) {
    return Z_STREAM_ERROR;
  }

  /* check for correct dictionary identifier */
  if (state.mode === DICT) {
    dictid = 1; /* adler32(0, null, 0)*/
    /* dictid = adler32(dictid, dictionary, dictLength); */
    dictid = adler32(dictid, dictionary, dictLength, 0);
    if (dictid !== state.check) {
      return Z_DATA_ERROR;
    }
  }
  /* copy dictionary to window using updatewindow(), which will amend the
   existing dictionary if appropriate */
  ret = updatewindow(strm, dictionary, dictLength, dictLength);
  if (ret) {
    state.mode = MEM;
    return Z_MEM_ERROR;
  }
  state.havedict = 1;
  // Tracev((stderr, "inflate:   dictionary set\n"));
  return Z_OK;
}

exports.inflateReset = inflateReset;
exports.inflateReset2 = inflateReset2;
exports.inflateResetKeep = inflateResetKeep;
exports.inflateInit = inflateInit;
exports.inflateInit2 = inflateInit2;
exports.inflate = inflate;
exports.inflateEnd = inflateEnd;
exports.inflateGetHeader = inflateGetHeader;
exports.inflateSetDictionary = inflateSetDictionary;
exports.inflateInfo = 'pako inflate (from Nodeca project)';

/* Not implemented
exports.inflateCopy = inflateCopy;
exports.inflateGetDictionary = inflateGetDictionary;
exports.inflateMark = inflateMark;
exports.inflatePrime = inflatePrime;
exports.inflateSync = inflateSync;
exports.inflateSyncPoint = inflateSyncPoint;
exports.inflateUndermine = inflateUndermine;
*/


/***/ }),

/***/ 11375:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

var utils = __webpack_require__(6907);

var MAXBITS = 15;
var ENOUGH_LENS = 852;
var ENOUGH_DISTS = 592;
//var ENOUGH = (ENOUGH_LENS+ENOUGH_DISTS);

var CODES = 0;
var LENS = 1;
var DISTS = 2;

var lbase = [ /* Length codes 257..285 base */
  3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
  35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
];

var lext = [ /* Length codes 257..285 extra */
  16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
  19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78
];

var dbase = [ /* Distance codes 0..29 base */
  1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
  257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
  8193, 12289, 16385, 24577, 0, 0
];

var dext = [ /* Distance codes 0..29 extra */
  16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
  23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
  28, 28, 29, 29, 64, 64
];

module.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts)
{
  var bits = opts.bits;
      //here = opts.here; /* table entry for duplication */

  var len = 0;               /* a code's length in bits */
  var sym = 0;               /* index of code symbols */
  var min = 0, max = 0;          /* minimum and maximum code lengths */
  var root = 0;              /* number of index bits for root table */
  var curr = 0;              /* number of index bits for current table */
  var drop = 0;              /* code bits to drop for sub-table */
  var left = 0;                   /* number of prefix codes available */
  var used = 0;              /* code entries in table used */
  var huff = 0;              /* Huffman code */
  var incr;              /* for incrementing code, index */
  var fill;              /* index for replicating entries */
  var low;               /* low bits for current root entry */
  var mask;              /* mask for low root bits */
  var next;             /* next available space in table */
  var base = null;     /* base value table to use */
  var base_index = 0;
//  var shoextra;    /* extra bits table to use */
  var end;                    /* use base and extra for symbol > end */
  var count = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];    /* number of codes of each length */
  var offs = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];     /* offsets in table for each length */
  var extra = null;
  var extra_index = 0;

  var here_bits, here_op, here_val;

  /*
   Process a set of code lengths to create a canonical Huffman code.  The
   code lengths are lens[0..codes-1].  Each length corresponds to the
   symbols 0..codes-1.  The Huffman code is generated by first sorting the
   symbols by length from short to long, and retaining the symbol order
   for codes with equal lengths.  Then the code starts with all zero bits
   for the first code of the shortest length, and the codes are integer
   increments for the same length, and zeros are appended as the length
   increases.  For the deflate format, these bits are stored backwards
   from their more natural integer increment ordering, and so when the
   decoding tables are built in the large loop below, the integer codes
   are incremented backwards.

   This routine assumes, but does not check, that all of the entries in
   lens[] are in the range 0..MAXBITS.  The caller must assure this.
   1..MAXBITS is interpreted as that code length.  zero means that that
   symbol does not occur in this code.

   The codes are sorted by computing a count of codes for each length,
   creating from that a table of starting indices for each length in the
   sorted table, and then entering the symbols in order in the sorted
   table.  The sorted table is work[], with that space being provided by
   the caller.

   The length counts are used for other purposes as well, i.e. finding
   the minimum and maximum length codes, determining if there are any
   codes at all, checking for a valid set of lengths, and looking ahead
   at length counts to determine sub-table sizes when building the
   decoding tables.
   */

  /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
  for (len = 0; len <= MAXBITS; len++) {
    count[len] = 0;
  }
  for (sym = 0; sym < codes; sym++) {
    count[lens[lens_index + sym]]++;
  }

  /* bound code lengths, force root to be within code lengths */
  root = bits;
  for (max = MAXBITS; max >= 1; max--) {
    if (count[max] !== 0) { break; }
  }
  if (root > max) {
    root = max;
  }
  if (max === 0) {                     /* no symbols to code at all */
    //table.op[opts.table_index] = 64;  //here.op = (var char)64;    /* invalid code marker */
    //table.bits[opts.table_index] = 1;   //here.bits = (var char)1;
    //table.val[opts.table_index++] = 0;   //here.val = (var short)0;
    table[table_index++] = (1 << 24) | (64 << 16) | 0;


    //table.op[opts.table_index] = 64;
    //table.bits[opts.table_index] = 1;
    //table.val[opts.table_index++] = 0;
    table[table_index++] = (1 << 24) | (64 << 16) | 0;

    opts.bits = 1;
    return 0;     /* no symbols, but wait for decoding to report error */
  }
  for (min = 1; min < max; min++) {
    if (count[min] !== 0) { break; }
  }
  if (root < min) {
    root = min;
  }

  /* check for an over-subscribed or incomplete set of lengths */
  left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= count[len];
    if (left < 0) {
      return -1;
    }        /* over-subscribed */
  }
  if (left > 0 && (type === CODES || max !== 1)) {
    return -1;                      /* incomplete set */
  }

  /* generate offsets into symbol table for each length for sorting */
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++) {
    offs[len + 1] = offs[len] + count[len];
  }

  /* sort symbols by length, by symbol order within each length */
  for (sym = 0; sym < codes; sym++) {
    if (lens[lens_index + sym] !== 0) {
      work[offs[lens[lens_index + sym]]++] = sym;
    }
  }

  /*
   Create and fill in decoding tables.  In this loop, the table being
   filled is at next and has curr index bits.  The code being used is huff
   with length len.  That code is converted to an index by dropping drop
   bits off of the bottom.  For codes where len is less than drop + curr,
   those top drop + curr - len bits are incremented through all values to
   fill the table with replicated entries.

   root is the number of index bits for the root table.  When len exceeds
   root, sub-tables are created pointed to by the root entry with an index
   of the low root bits of huff.  This is saved in low to check for when a
   new sub-table should be started.  drop is zero when the root table is
   being filled, and drop is root when sub-tables are being filled.

   When a new sub-table is needed, it is necessary to look ahead in the
   code lengths to determine what size sub-table is needed.  The length
   counts are used for this, and so count[] is decremented as codes are
   entered in the tables.

   used keeps track of how many table entries have been allocated from the
   provided *table space.  It is checked for LENS and DIST tables against
   the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in
   the initial root table size constants.  See the comments in inftrees.h
   for more information.

   sym increments through all symbols, and the loop terminates when
   all codes of length max, i.e. all codes, have been processed.  This
   routine permits incomplete codes, so another loop after this one fills
   in the rest of the decoding tables with invalid code markers.
   */

  /* set up for code type */
  // poor man optimization - use if-else instead of switch,
  // to avoid deopts in old v8
  if (type === CODES) {
    base = extra = work;    /* dummy value--not used */
    end = 19;

  } else if (type === LENS) {
    base = lbase;
    base_index -= 257;
    extra = lext;
    extra_index -= 257;
    end = 256;

  } else {                    /* DISTS */
    base = dbase;
    extra = dext;
    end = -1;
  }

  /* initialize opts for loop */
  huff = 0;                   /* starting code */
  sym = 0;                    /* starting code symbol */
  len = min;                  /* starting code length */
  next = table_index;              /* current table to fill in */
  curr = root;                /* current table index bits */
  drop = 0;                   /* current bits to drop from code for index */
  low = -1;                   /* trigger new sub-table when len > root */
  used = 1 << root;          /* use root table entries */
  mask = used - 1;            /* mask for comparing low */

  /* check available table space */
  if ((type === LENS && used > ENOUGH_LENS) ||
    (type === DISTS && used > ENOUGH_DISTS)) {
    return 1;
  }

  /* process all codes and make table entries */
  for (;;) {
    /* create table entry */
    here_bits = len - drop;
    if (work[sym] < end) {
      here_op = 0;
      here_val = work[sym];
    }
    else if (work[sym] > end) {
      here_op = extra[extra_index + work[sym]];
      here_val = base[base_index + work[sym]];
    }
    else {
      here_op = 32 + 64;         /* end of block */
      here_val = 0;
    }

    /* replicate for those indices with low len bits equal to huff */
    incr = 1 << (len - drop);
    fill = 1 << curr;
    min = fill;                 /* save offset to next table */
    do {
      fill -= incr;
      table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val |0;
    } while (fill !== 0);

    /* backwards increment the len-bit code huff */
    incr = 1 << (len - 1);
    while (huff & incr) {
      incr >>= 1;
    }
    if (incr !== 0) {
      huff &= incr - 1;
      huff += incr;
    } else {
      huff = 0;
    }

    /* go to next symbol, update count, len */
    sym++;
    if (--count[len] === 0) {
      if (len === max) { break; }
      len = lens[lens_index + work[sym]];
    }

    /* create new sub-table if needed */
    if (len > root && (huff & mask) !== low) {
      /* if first time, transition to sub-tables */
      if (drop === 0) {
        drop = root;
      }

      /* increment past last table */
      next += min;            /* here min is 1 << curr */

      /* determine length of next table */
      curr = len - drop;
      left = 1 << curr;
      while (curr + drop < max) {
        left -= count[curr + drop];
        if (left <= 0) { break; }
        curr++;
        left <<= 1;
      }

      /* check for enough space */
      used += 1 << curr;
      if ((type === LENS && used > ENOUGH_LENS) ||
        (type === DISTS && used > ENOUGH_DISTS)) {
        return 1;
      }

      /* point entry in root table to sub-table */
      low = huff & mask;
      /*table.op[low] = curr;
      table.bits[low] = root;
      table.val[low] = next - opts.table_index;*/
      table[low] = (root << 24) | (curr << 16) | (next - table_index) |0;
    }
  }

  /* fill in remaining table entry if code is incomplete (guaranteed to have
   at most one remaining entry, since if the code is incomplete, the
   maximum code length that was allowed to get this far is one bit) */
  if (huff !== 0) {
    //table.op[next + huff] = 64;            /* invalid code marker */
    //table.bits[next + huff] = len - drop;
    //table.val[next + huff] = 0;
    table[next + huff] = ((len - drop) << 24) | (64 << 16) |0;
  }

  /* set return parameters */
  //opts.table_index += used;
  opts.bits = root;
  return 0;
};


/***/ }),

/***/ 89364:
/***/ ((module) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

module.exports = {
  2:      'need dictionary',     /* Z_NEED_DICT       2  */
  1:      'stream end',          /* Z_STREAM_END      1  */
  0:      '',                    /* Z_OK              0  */
  '-1':   'file error',          /* Z_ERRNO         (-1) */
  '-2':   'stream error',        /* Z_STREAM_ERROR  (-2) */
  '-3':   'data error',          /* Z_DATA_ERROR    (-3) */
  '-4':   'insufficient memory', /* Z_MEM_ERROR     (-4) */
  '-5':   'buffer error',        /* Z_BUF_ERROR     (-5) */
  '-6':   'incompatible version' /* Z_VERSION_ERROR (-6) */
};


/***/ }),

/***/ 81339:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

/* eslint-disable space-unary-ops */

var utils = __webpack_require__(6907);

/* Public constants ==========================================================*/
/* ===========================================================================*/


//var Z_FILTERED          = 1;
//var Z_HUFFMAN_ONLY      = 2;
//var Z_RLE               = 3;
var Z_FIXED               = 4;
//var Z_DEFAULT_STRATEGY  = 0;

/* Possible values of the data_type field (though see inflate()) */
var Z_BINARY              = 0;
var Z_TEXT                = 1;
//var Z_ASCII             = 1; // = Z_TEXT
var Z_UNKNOWN             = 2;

/*============================================================================*/


function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } }

// From zutil.h

var STORED_BLOCK = 0;
var STATIC_TREES = 1;
var DYN_TREES    = 2;
/* The three kinds of block type */

var MIN_MATCH    = 3;
var MAX_MATCH    = 258;
/* The minimum and maximum match lengths */

// From deflate.h
/* ===========================================================================
 * Internal compression state.
 */

var LENGTH_CODES  = 29;
/* number of length codes, not counting the special END_BLOCK code */

var LITERALS      = 256;
/* number of literal bytes 0..255 */

var L_CODES       = LITERALS + 1 + LENGTH_CODES;
/* number of Literal or Length codes, including the END_BLOCK code */

var D_CODES       = 30;
/* number of distance codes */

var BL_CODES      = 19;
/* number of codes used to transfer the bit lengths */

var HEAP_SIZE     = 2 * L_CODES + 1;
/* maximum heap size */

var MAX_BITS      = 15;
/* All codes must not exceed MAX_BITS bits */

var Buf_size      = 16;
/* size of bit buffer in bi_buf */


/* ===========================================================================
 * Constants
 */

var MAX_BL_BITS = 7;
/* Bit length codes must not exceed MAX_BL_BITS bits */

var END_BLOCK   = 256;
/* end of block literal code */

var REP_3_6     = 16;
/* repeat previous bit length 3-6 times (2 bits of repeat count) */

var REPZ_3_10   = 17;
/* repeat a zero length 3-10 times  (3 bits of repeat count) */

var REPZ_11_138 = 18;
/* repeat a zero length 11-138 times  (7 bits of repeat count) */

/* eslint-disable comma-spacing,array-bracket-spacing */
var extra_lbits =   /* extra bits for each length code */
  [0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];

var extra_dbits =   /* extra bits for each distance code */
  [0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];

var extra_blbits =  /* extra bits for each bit length code */
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];

var bl_order =
  [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
/* eslint-enable comma-spacing,array-bracket-spacing */

/* The lengths of the bit length codes are sent in order of decreasing
 * probability, to avoid transmitting the lengths for unused bit length codes.
 */

/* ===========================================================================
 * Local data. These are initialized only once.
 */

// We pre-fill arrays with 0 to avoid uninitialized gaps

var DIST_CODE_LEN = 512; /* see definition of array dist_code below */

// !!!! Use flat array instead of structure, Freq = i*2, Len = i*2+1
var static_ltree  = new Array((L_CODES + 2) * 2);
zero(static_ltree);
/* The static literal tree. Since the bit lengths are imposed, there is no
 * need for the L_CODES extra codes used during heap construction. However
 * The codes 286 and 287 are needed to build a canonical tree (see _tr_init
 * below).
 */

var static_dtree  = new Array(D_CODES * 2);
zero(static_dtree);
/* The static distance tree. (Actually a trivial tree since all codes use
 * 5 bits.)
 */

var _dist_code    = new Array(DIST_CODE_LEN);
zero(_dist_code);
/* Distance codes. The first 256 values correspond to the distances
 * 3 .. 258, the last 256 values correspond to the top 8 bits of
 * the 15 bit distances.
 */

var _length_code  = new Array(MAX_MATCH - MIN_MATCH + 1);
zero(_length_code);
/* length code for each normalized match length (0 == MIN_MATCH) */

var base_length   = new Array(LENGTH_CODES);
zero(base_length);
/* First normalized length for each code (0 = MIN_MATCH) */

var base_dist     = new Array(D_CODES);
zero(base_dist);
/* First normalized distance for each code (0 = distance of 1) */


function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) {

  this.static_tree  = static_tree;  /* static tree or NULL */
  this.extra_bits   = extra_bits;   /* extra bits for each code or NULL */
  this.extra_base   = extra_base;   /* base index for extra_bits */
  this.elems        = elems;        /* max number of elements in the tree */
  this.max_length   = max_length;   /* max bit length for the codes */

  // show if `static_tree` has data or dummy - needed for monomorphic objects
  this.has_stree    = static_tree && static_tree.length;
}


var static_l_desc;
var static_d_desc;
var static_bl_desc;


function TreeDesc(dyn_tree, stat_desc) {
  this.dyn_tree = dyn_tree;     /* the dynamic tree */
  this.max_code = 0;            /* largest code with non zero frequency */
  this.stat_desc = stat_desc;   /* the corresponding static tree */
}



function d_code(dist) {
  return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
}


/* ===========================================================================
 * Output a short LSB first on the stream.
 * IN assertion: there is enough room in pendingBuf.
 */
function put_short(s, w) {
//    put_byte(s, (uch)((w) & 0xff));
//    put_byte(s, (uch)((ush)(w) >> 8));
  s.pending_buf[s.pending++] = (w) & 0xff;
  s.pending_buf[s.pending++] = (w >>> 8) & 0xff;
}


/* ===========================================================================
 * Send a value on a given number of bits.
 * IN assertion: length <= 16 and value fits in length bits.
 */
function send_bits(s, value, length) {
  if (s.bi_valid > (Buf_size - length)) {
    s.bi_buf |= (value << s.bi_valid) & 0xffff;
    put_short(s, s.bi_buf);
    s.bi_buf = value >> (Buf_size - s.bi_valid);
    s.bi_valid += length - Buf_size;
  } else {
    s.bi_buf |= (value << s.bi_valid) & 0xffff;
    s.bi_valid += length;
  }
}


function send_code(s, c, tree) {
  send_bits(s, tree[c * 2]/*.Code*/, tree[c * 2 + 1]/*.Len*/);
}


/* ===========================================================================
 * Reverse the first len bits of a code, using straightforward code (a faster
 * method would use a table)
 * IN assertion: 1 <= len <= 15
 */
function bi_reverse(code, len) {
  var res = 0;
  do {
    res |= code & 1;
    code >>>= 1;
    res <<= 1;
  } while (--len > 0);
  return res >>> 1;
}


/* ===========================================================================
 * Flush the bit buffer, keeping at most 7 bits in it.
 */
function bi_flush(s) {
  if (s.bi_valid === 16) {
    put_short(s, s.bi_buf);
    s.bi_buf = 0;
    s.bi_valid = 0;

  } else if (s.bi_valid >= 8) {
    s.pending_buf[s.pending++] = s.bi_buf & 0xff;
    s.bi_buf >>= 8;
    s.bi_valid -= 8;
  }
}


/* ===========================================================================
 * Compute the optimal bit lengths for a tree and update the total bit length
 * for the current block.
 * IN assertion: the fields freq and dad are set, heap[heap_max] and
 *    above are the tree nodes sorted by increasing frequency.
 * OUT assertions: the field len is set to the optimal bit length, the
 *     array bl_count contains the frequencies for each bit length.
 *     The length opt_len is updated; static_len is also updated if stree is
 *     not null.
 */
function gen_bitlen(s, desc)
//    deflate_state *s;
//    tree_desc *desc;    /* the tree descriptor */
{
  var tree            = desc.dyn_tree;
  var max_code        = desc.max_code;
  var stree           = desc.stat_desc.static_tree;
  var has_stree       = desc.stat_desc.has_stree;
  var extra           = desc.stat_desc.extra_bits;
  var base            = desc.stat_desc.extra_base;
  var max_length      = desc.stat_desc.max_length;
  var h;              /* heap index */
  var n, m;           /* iterate over the tree elements */
  var bits;           /* bit length */
  var xbits;          /* extra bits */
  var f;              /* frequency */
  var overflow = 0;   /* number of elements with bit length too large */

  for (bits = 0; bits <= MAX_BITS; bits++) {
    s.bl_count[bits] = 0;
  }

  /* In a first pass, compute the optimal bit lengths (which may
   * overflow in the case of the bit length tree).
   */
  tree[s.heap[s.heap_max] * 2 + 1]/*.Len*/ = 0; /* root of the heap */

  for (h = s.heap_max + 1; h < HEAP_SIZE; h++) {
    n = s.heap[h];
    bits = tree[tree[n * 2 + 1]/*.Dad*/ * 2 + 1]/*.Len*/ + 1;
    if (bits > max_length) {
      bits = max_length;
      overflow++;
    }
    tree[n * 2 + 1]/*.Len*/ = bits;
    /* We overwrite tree[n].Dad which is no longer needed */

    if (n > max_code) { continue; } /* not a leaf node */

    s.bl_count[bits]++;
    xbits = 0;
    if (n >= base) {
      xbits = extra[n - base];
    }
    f = tree[n * 2]/*.Freq*/;
    s.opt_len += f * (bits + xbits);
    if (has_stree) {
      s.static_len += f * (stree[n * 2 + 1]/*.Len*/ + xbits);
    }
  }
  if (overflow === 0) { return; }

  // Trace((stderr,"\nbit length overflow\n"));
  /* This happens for example on obj2 and pic of the Calgary corpus */

  /* Find the first bit length which could increase: */
  do {
    bits = max_length - 1;
    while (s.bl_count[bits] === 0) { bits--; }
    s.bl_count[bits]--;      /* move one leaf down the tree */
    s.bl_count[bits + 1] += 2; /* move one overflow item as its brother */
    s.bl_count[max_length]--;
    /* The brother of the overflow item also moves one step up,
     * but this does not affect bl_count[max_length]
     */
    overflow -= 2;
  } while (overflow > 0);

  /* Now recompute all bit lengths, scanning in increasing frequency.
   * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all
   * lengths instead of fixing only the wrong ones. This idea is taken
   * from 'ar' written by Haruhiko Okumura.)
   */
  for (bits = max_length; bits !== 0; bits--) {
    n = s.bl_count[bits];
    while (n !== 0) {
      m = s.heap[--h];
      if (m > max_code) { continue; }
      if (tree[m * 2 + 1]/*.Len*/ !== bits) {
        // Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
        s.opt_len += (bits - tree[m * 2 + 1]/*.Len*/) * tree[m * 2]/*.Freq*/;
        tree[m * 2 + 1]/*.Len*/ = bits;
      }
      n--;
    }
  }
}


/* ===========================================================================
 * Generate the codes for a given tree and bit counts (which need not be
 * optimal).
 * IN assertion: the array bl_count contains the bit length statistics for
 * the given tree and the field len is set for all tree elements.
 * OUT assertion: the field code is set for all tree elements of non
 *     zero code length.
 */
function gen_codes(tree, max_code, bl_count)
//    ct_data *tree;             /* the tree to decorate */
//    int max_code;              /* largest code with non zero frequency */
//    ushf *bl_count;            /* number of codes at each bit length */
{
  var next_code = new Array(MAX_BITS + 1); /* next code value for each bit length */
  var code = 0;              /* running code value */
  var bits;                  /* bit index */
  var n;                     /* code index */

  /* The distribution counts are first used to generate the code values
   * without bit reversal.
   */
  for (bits = 1; bits <= MAX_BITS; bits++) {
    next_code[bits] = code = (code + bl_count[bits - 1]) << 1;
  }
  /* Check that the bit counts in bl_count are consistent. The last code
   * must be all ones.
   */
  //Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
  //        "inconsistent bit counts");
  //Tracev((stderr,"\ngen_codes: max_code %d ", max_code));

  for (n = 0;  n <= max_code; n++) {
    var len = tree[n * 2 + 1]/*.Len*/;
    if (len === 0) { continue; }
    /* Now reverse the bits */
    tree[n * 2]/*.Code*/ = bi_reverse(next_code[len]++, len);

    //Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
    //     n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
  }
}


/* ===========================================================================
 * Initialize the various 'constant' tables.
 */
function tr_static_init() {
  var n;        /* iterates over tree elements */
  var bits;     /* bit counter */
  var length;   /* length value */
  var code;     /* code value */
  var dist;     /* distance index */
  var bl_count = new Array(MAX_BITS + 1);
  /* number of codes at each bit length for an optimal tree */

  // do check in _tr_init()
  //if (static_init_done) return;

  /* For some embedded targets, global variables are not initialized: */
/*#ifdef NO_INIT_GLOBAL_POINTERS
  static_l_desc.static_tree = static_ltree;
  static_l_desc.extra_bits = extra_lbits;
  static_d_desc.static_tree = static_dtree;
  static_d_desc.extra_bits = extra_dbits;
  static_bl_desc.extra_bits = extra_blbits;
#endif*/

  /* Initialize the mapping length (0..255) -> length code (0..28) */
  length = 0;
  for (code = 0; code < LENGTH_CODES - 1; code++) {
    base_length[code] = length;
    for (n = 0; n < (1 << extra_lbits[code]); n++) {
      _length_code[length++] = code;
    }
  }
  //Assert (length == 256, "tr_static_init: length != 256");
  /* Note that the length 255 (match length 258) can be represented
   * in two different ways: code 284 + 5 bits or code 285, so we
   * overwrite length_code[255] to use the best encoding:
   */
  _length_code[length - 1] = code;

  /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
  dist = 0;
  for (code = 0; code < 16; code++) {
    base_dist[code] = dist;
    for (n = 0; n < (1 << extra_dbits[code]); n++) {
      _dist_code[dist++] = code;
    }
  }
  //Assert (dist == 256, "tr_static_init: dist != 256");
  dist >>= 7; /* from now on, all distances are divided by 128 */
  for (; code < D_CODES; code++) {
    base_dist[code] = dist << 7;
    for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
      _dist_code[256 + dist++] = code;
    }
  }
  //Assert (dist == 256, "tr_static_init: 256+dist != 512");

  /* Construct the codes of the static literal tree */
  for (bits = 0; bits <= MAX_BITS; bits++) {
    bl_count[bits] = 0;
  }

  n = 0;
  while (n <= 143) {
    static_ltree[n * 2 + 1]/*.Len*/ = 8;
    n++;
    bl_count[8]++;
  }
  while (n <= 255) {
    static_ltree[n * 2 + 1]/*.Len*/ = 9;
    n++;
    bl_count[9]++;
  }
  while (n <= 279) {
    static_ltree[n * 2 + 1]/*.Len*/ = 7;
    n++;
    bl_count[7]++;
  }
  while (n <= 287) {
    static_ltree[n * 2 + 1]/*.Len*/ = 8;
    n++;
    bl_count[8]++;
  }
  /* Codes 286 and 287 do not exist, but we must include them in the
   * tree construction to get a canonical Huffman tree (longest code
   * all ones)
   */
  gen_codes(static_ltree, L_CODES + 1, bl_count);

  /* The static distance tree is trivial: */
  for (n = 0; n < D_CODES; n++) {
    static_dtree[n * 2 + 1]/*.Len*/ = 5;
    static_dtree[n * 2]/*.Code*/ = bi_reverse(n, 5);
  }

  // Now data ready and we can init static trees
  static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS + 1, L_CODES, MAX_BITS);
  static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0,          D_CODES, MAX_BITS);
  static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0,         BL_CODES, MAX_BL_BITS);

  //static_init_done = true;
}


/* ===========================================================================
 * Initialize a new block.
 */
function init_block(s) {
  var n; /* iterates over tree elements */

  /* Initialize the trees. */
  for (n = 0; n < L_CODES;  n++) { s.dyn_ltree[n * 2]/*.Freq*/ = 0; }
  for (n = 0; n < D_CODES;  n++) { s.dyn_dtree[n * 2]/*.Freq*/ = 0; }
  for (n = 0; n < BL_CODES; n++) { s.bl_tree[n * 2]/*.Freq*/ = 0; }

  s.dyn_ltree[END_BLOCK * 2]/*.Freq*/ = 1;
  s.opt_len = s.static_len = 0;
  s.last_lit = s.matches = 0;
}


/* ===========================================================================
 * Flush the bit buffer and align the output on a byte boundary
 */
function bi_windup(s)
{
  if (s.bi_valid > 8) {
    put_short(s, s.bi_buf);
  } else if (s.bi_valid > 0) {
    //put_byte(s, (Byte)s->bi_buf);
    s.pending_buf[s.pending++] = s.bi_buf;
  }
  s.bi_buf = 0;
  s.bi_valid = 0;
}

/* ===========================================================================
 * Copy a stored block, storing first the length and its
 * one's complement if requested.
 */
function copy_block(s, buf, len, header)
//DeflateState *s;
//charf    *buf;    /* the input data */
//unsigned len;     /* its length */
//int      header;  /* true if block header must be written */
{
  bi_windup(s);        /* align on byte boundary */

  if (header) {
    put_short(s, len);
    put_short(s, ~len);
  }
//  while (len--) {
//    put_byte(s, *buf++);
//  }
  utils.arraySet(s.pending_buf, s.window, buf, len, s.pending);
  s.pending += len;
}

/* ===========================================================================
 * Compares to subtrees, using the tree depth as tie breaker when
 * the subtrees have equal frequency. This minimizes the worst case length.
 */
function smaller(tree, n, m, depth) {
  var _n2 = n * 2;
  var _m2 = m * 2;
  return (tree[_n2]/*.Freq*/ < tree[_m2]/*.Freq*/ ||
         (tree[_n2]/*.Freq*/ === tree[_m2]/*.Freq*/ && depth[n] <= depth[m]));
}

/* ===========================================================================
 * Restore the heap property by moving down the tree starting at node k,
 * exchanging a node with the smallest of its two sons if necessary, stopping
 * when the heap property is re-established (each father smaller than its
 * two sons).
 */
function pqdownheap(s, tree, k)
//    deflate_state *s;
//    ct_data *tree;  /* the tree to restore */
//    int k;               /* node to move down */
{
  var v = s.heap[k];
  var j = k << 1;  /* left son of k */
  while (j <= s.heap_len) {
    /* Set j to the smallest of the two sons: */
    if (j < s.heap_len &&
      smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) {
      j++;
    }
    /* Exit if v is smaller than both sons */
    if (smaller(tree, v, s.heap[j], s.depth)) { break; }

    /* Exchange v with the smallest son */
    s.heap[k] = s.heap[j];
    k = j;

    /* And continue down the tree, setting j to the left son of k */
    j <<= 1;
  }
  s.heap[k] = v;
}


// inlined manually
// var SMALLEST = 1;

/* ===========================================================================
 * Send the block data compressed using the given Huffman trees
 */
function compress_block(s, ltree, dtree)
//    deflate_state *s;
//    const ct_data *ltree; /* literal tree */
//    const ct_data *dtree; /* distance tree */
{
  var dist;           /* distance of matched string */
  var lc;             /* match length or unmatched char (if dist == 0) */
  var lx = 0;         /* running index in l_buf */
  var code;           /* the code to send */
  var extra;          /* number of extra bits to send */

  if (s.last_lit !== 0) {
    do {
      dist = (s.pending_buf[s.d_buf + lx * 2] << 8) | (s.pending_buf[s.d_buf + lx * 2 + 1]);
      lc = s.pending_buf[s.l_buf + lx];
      lx++;

      if (dist === 0) {
        send_code(s, lc, ltree); /* send a literal byte */
        //Tracecv(isgraph(lc), (stderr," '%c' ", lc));
      } else {
        /* Here, lc is the match length - MIN_MATCH */
        code = _length_code[lc];
        send_code(s, code + LITERALS + 1, ltree); /* send the length code */
        extra = extra_lbits[code];
        if (extra !== 0) {
          lc -= base_length[code];
          send_bits(s, lc, extra);       /* send the extra length bits */
        }
        dist--; /* dist is now the match distance - 1 */
        code = d_code(dist);
        //Assert (code < D_CODES, "bad d_code");

        send_code(s, code, dtree);       /* send the distance code */
        extra = extra_dbits[code];
        if (extra !== 0) {
          dist -= base_dist[code];
          send_bits(s, dist, extra);   /* send the extra distance bits */
        }
      } /* literal or match pair ? */

      /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
      //Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
      //       "pendingBuf overflow");

    } while (lx < s.last_lit);
  }

  send_code(s, END_BLOCK, ltree);
}


/* ===========================================================================
 * Construct one Huffman tree and assigns the code bit strings and lengths.
 * Update the total bit length for the current block.
 * IN assertion: the field freq is set for all tree elements.
 * OUT assertions: the fields len and code are set to the optimal bit length
 *     and corresponding code. The length opt_len is updated; static_len is
 *     also updated if stree is not null. The field max_code is set.
 */
function build_tree(s, desc)
//    deflate_state *s;
//    tree_desc *desc; /* the tree descriptor */
{
  var tree     = desc.dyn_tree;
  var stree    = desc.stat_desc.static_tree;
  var has_stree = desc.stat_desc.has_stree;
  var elems    = desc.stat_desc.elems;
  var n, m;          /* iterate over heap elements */
  var max_code = -1; /* largest code with non zero frequency */
  var node;          /* new node being created */

  /* Construct the initial heap, with least frequent element in
   * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
   * heap[0] is not used.
   */
  s.heap_len = 0;
  s.heap_max = HEAP_SIZE;

  for (n = 0; n < elems; n++) {
    if (tree[n * 2]/*.Freq*/ !== 0) {
      s.heap[++s.heap_len] = max_code = n;
      s.depth[n] = 0;

    } else {
      tree[n * 2 + 1]/*.Len*/ = 0;
    }
  }

  /* The pkzip format requires that at least one distance code exists,
   * and that at least one bit should be sent even if there is only one
   * possible code. So to avoid special checks later on we force at least
   * two codes of non zero frequency.
   */
  while (s.heap_len < 2) {
    node = s.heap[++s.heap_len] = (max_code < 2 ? ++max_code : 0);
    tree[node * 2]/*.Freq*/ = 1;
    s.depth[node] = 0;
    s.opt_len--;

    if (has_stree) {
      s.static_len -= stree[node * 2 + 1]/*.Len*/;
    }
    /* node is 0 or 1 so it does not have extra bits */
  }
  desc.max_code = max_code;

  /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
   * establish sub-heaps of increasing lengths:
   */
  for (n = (s.heap_len >> 1/*int /2*/); n >= 1; n--) { pqdownheap(s, tree, n); }

  /* Construct the Huffman tree by repeatedly combining the least two
   * frequent nodes.
   */
  node = elems;              /* next internal node of the tree */
  do {
    //pqremove(s, tree, n);  /* n = node of least frequency */
    /*** pqremove ***/
    n = s.heap[1/*SMALLEST*/];
    s.heap[1/*SMALLEST*/] = s.heap[s.heap_len--];
    pqdownheap(s, tree, 1/*SMALLEST*/);
    /***/

    m = s.heap[1/*SMALLEST*/]; /* m = node of next least frequency */

    s.heap[--s.heap_max] = n; /* keep the nodes sorted by frequency */
    s.heap[--s.heap_max] = m;

    /* Create a new node father of n and m */
    tree[node * 2]/*.Freq*/ = tree[n * 2]/*.Freq*/ + tree[m * 2]/*.Freq*/;
    s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
    tree[n * 2 + 1]/*.Dad*/ = tree[m * 2 + 1]/*.Dad*/ = node;

    /* and insert the new node in the heap */
    s.heap[1/*SMALLEST*/] = node++;
    pqdownheap(s, tree, 1/*SMALLEST*/);

  } while (s.heap_len >= 2);

  s.heap[--s.heap_max] = s.heap[1/*SMALLEST*/];

  /* At this point, the fields freq and dad are set. We can now
   * generate the bit lengths.
   */
  gen_bitlen(s, desc);

  /* The field len is now set, we can generate the bit codes */
  gen_codes(tree, max_code, s.bl_count);
}


/* ===========================================================================
 * Scan a literal or distance tree to determine the frequencies of the codes
 * in the bit length tree.
 */
function scan_tree(s, tree, max_code)
//    deflate_state *s;
//    ct_data *tree;   /* the tree to be scanned */
//    int max_code;    /* and its largest code of non zero frequency */
{
  var n;                     /* iterates over all tree elements */
  var prevlen = -1;          /* last emitted length */
  var curlen;                /* length of current code */

  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */

  var count = 0;             /* repeat count of the current code */
  var max_count = 7;         /* max repeat count */
  var min_count = 4;         /* min repeat count */

  if (nextlen === 0) {
    max_count = 138;
    min_count = 3;
  }
  tree[(max_code + 1) * 2 + 1]/*.Len*/ = 0xffff; /* guard */

  for (n = 0; n <= max_code; n++) {
    curlen = nextlen;
    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;

    if (++count < max_count && curlen === nextlen) {
      continue;

    } else if (count < min_count) {
      s.bl_tree[curlen * 2]/*.Freq*/ += count;

    } else if (curlen !== 0) {

      if (curlen !== prevlen) { s.bl_tree[curlen * 2]/*.Freq*/++; }
      s.bl_tree[REP_3_6 * 2]/*.Freq*/++;

    } else if (count <= 10) {
      s.bl_tree[REPZ_3_10 * 2]/*.Freq*/++;

    } else {
      s.bl_tree[REPZ_11_138 * 2]/*.Freq*/++;
    }

    count = 0;
    prevlen = curlen;

    if (nextlen === 0) {
      max_count = 138;
      min_count = 3;

    } else if (curlen === nextlen) {
      max_count = 6;
      min_count = 3;

    } else {
      max_count = 7;
      min_count = 4;
    }
  }
}


/* ===========================================================================
 * Send a literal or distance tree in compressed form, using the codes in
 * bl_tree.
 */
function send_tree(s, tree, max_code)
//    deflate_state *s;
//    ct_data *tree; /* the tree to be scanned */
//    int max_code;       /* and its largest code of non zero frequency */
{
  var n;                     /* iterates over all tree elements */
  var prevlen = -1;          /* last emitted length */
  var curlen;                /* length of current code */

  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */

  var count = 0;             /* repeat count of the current code */
  var max_count = 7;         /* max repeat count */
  var min_count = 4;         /* min repeat count */

  /* tree[max_code+1].Len = -1; */  /* guard already set */
  if (nextlen === 0) {
    max_count = 138;
    min_count = 3;
  }

  for (n = 0; n <= max_code; n++) {
    curlen = nextlen;
    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;

    if (++count < max_count && curlen === nextlen) {
      continue;

    } else if (count < min_count) {
      do { send_code(s, curlen, s.bl_tree); } while (--count !== 0);

    } else if (curlen !== 0) {
      if (curlen !== prevlen) {
        send_code(s, curlen, s.bl_tree);
        count--;
      }
      //Assert(count >= 3 && count <= 6, " 3_6?");
      send_code(s, REP_3_6, s.bl_tree);
      send_bits(s, count - 3, 2);

    } else if (count <= 10) {
      send_code(s, REPZ_3_10, s.bl_tree);
      send_bits(s, count - 3, 3);

    } else {
      send_code(s, REPZ_11_138, s.bl_tree);
      send_bits(s, count - 11, 7);
    }

    count = 0;
    prevlen = curlen;
    if (nextlen === 0) {
      max_count = 138;
      min_count = 3;

    } else if (curlen === nextlen) {
      max_count = 6;
      min_count = 3;

    } else {
      max_count = 7;
      min_count = 4;
    }
  }
}


/* ===========================================================================
 * Construct the Huffman tree for the bit lengths and return the index in
 * bl_order of the last bit length code to send.
 */
function build_bl_tree(s) {
  var max_blindex;  /* index of last bit length code of non zero freq */

  /* Determine the bit length frequencies for literal and distance trees */
  scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
  scan_tree(s, s.dyn_dtree, s.d_desc.max_code);

  /* Build the bit length tree: */
  build_tree(s, s.bl_desc);
  /* opt_len now includes the length of the tree representations, except
   * the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
   */

  /* Determine the number of bit length codes to send. The pkzip format
   * requires that at least 4 bit length codes be sent. (appnote.txt says
   * 3 but the actual value used is 4.)
   */
  for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) {
    if (s.bl_tree[bl_order[max_blindex] * 2 + 1]/*.Len*/ !== 0) {
      break;
    }
  }
  /* Update opt_len to include the bit length tree and counts */
  s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4;
  //Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
  //        s->opt_len, s->static_len));

  return max_blindex;
}


/* ===========================================================================
 * Send the header for a block using dynamic Huffman trees: the counts, the
 * lengths of the bit length codes, the literal tree and the distance tree.
 * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4.
 */
function send_all_trees(s, lcodes, dcodes, blcodes)
//    deflate_state *s;
//    int lcodes, dcodes, blcodes; /* number of codes for each tree */
{
  var rank;                    /* index in bl_order */

  //Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes");
  //Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
  //        "too many codes");
  //Tracev((stderr, "\nbl counts: "));
  send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
  send_bits(s, dcodes - 1,   5);
  send_bits(s, blcodes - 4,  4); /* not -3 as stated in appnote.txt */
  for (rank = 0; rank < blcodes; rank++) {
    //Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
    send_bits(s, s.bl_tree[bl_order[rank] * 2 + 1]/*.Len*/, 3);
  }
  //Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));

  send_tree(s, s.dyn_ltree, lcodes - 1); /* literal tree */
  //Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));

  send_tree(s, s.dyn_dtree, dcodes - 1); /* distance tree */
  //Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
}


/* ===========================================================================
 * Check if the data type is TEXT or BINARY, using the following algorithm:
 * - TEXT if the two conditions below are satisfied:
 *    a) There are no non-portable control characters belonging to the
 *       "black list" (0..6, 14..25, 28..31).
 *    b) There is at least one printable character belonging to the
 *       "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
 * - BINARY otherwise.
 * - The following partially-portable control characters form a
 *   "gray list" that is ignored in this detection algorithm:
 *   (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}).
 * IN assertion: the fields Freq of dyn_ltree are set.
 */
function detect_data_type(s) {
  /* black_mask is the bit mask of black-listed bytes
   * set bits 0..6, 14..25, and 28..31
   * 0xf3ffc07f = binary 11110011111111111100000001111111
   */
  var black_mask = 0xf3ffc07f;
  var n;

  /* Check for non-textual ("black-listed") bytes. */
  for (n = 0; n <= 31; n++, black_mask >>>= 1) {
    if ((black_mask & 1) && (s.dyn_ltree[n * 2]/*.Freq*/ !== 0)) {
      return Z_BINARY;
    }
  }

  /* Check for textual ("white-listed") bytes. */
  if (s.dyn_ltree[9 * 2]/*.Freq*/ !== 0 || s.dyn_ltree[10 * 2]/*.Freq*/ !== 0 ||
      s.dyn_ltree[13 * 2]/*.Freq*/ !== 0) {
    return Z_TEXT;
  }
  for (n = 32; n < LITERALS; n++) {
    if (s.dyn_ltree[n * 2]/*.Freq*/ !== 0) {
      return Z_TEXT;
    }
  }

  /* There are no "black-listed" or "white-listed" bytes:
   * this stream either is empty or has tolerated ("gray-listed") bytes only.
   */
  return Z_BINARY;
}


var static_init_done = false;

/* ===========================================================================
 * Initialize the tree data structures for a new zlib stream.
 */
function _tr_init(s)
{

  if (!static_init_done) {
    tr_static_init();
    static_init_done = true;
  }

  s.l_desc  = new TreeDesc(s.dyn_ltree, static_l_desc);
  s.d_desc  = new TreeDesc(s.dyn_dtree, static_d_desc);
  s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);

  s.bi_buf = 0;
  s.bi_valid = 0;

  /* Initialize the first block of the first file: */
  init_block(s);
}


/* ===========================================================================
 * Send a stored block
 */
function _tr_stored_block(s, buf, stored_len, last)
//DeflateState *s;
//charf *buf;       /* input block */
//ulg stored_len;   /* length of input block */
//int last;         /* one if this is the last block for a file */
{
  send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3);    /* send block type */
  copy_block(s, buf, stored_len, true); /* with header */
}


/* ===========================================================================
 * Send one empty static block to give enough lookahead for inflate.
 * This takes 10 bits, of which 7 may remain in the bit buffer.
 */
function _tr_align(s) {
  send_bits(s, STATIC_TREES << 1, 3);
  send_code(s, END_BLOCK, static_ltree);
  bi_flush(s);
}


/* ===========================================================================
 * Determine the best encoding for the current block: dynamic trees, static
 * trees or store, and output the encoded block to the zip file.
 */
function _tr_flush_block(s, buf, stored_len, last)
//DeflateState *s;
//charf *buf;       /* input block, or NULL if too old */
//ulg stored_len;   /* length of input block */
//int last;         /* one if this is the last block for a file */
{
  var opt_lenb, static_lenb;  /* opt_len and static_len in bytes */
  var max_blindex = 0;        /* index of last bit length code of non zero freq */

  /* Build the Huffman trees unless a stored block is forced */
  if (s.level > 0) {

    /* Check if the file is binary or text */
    if (s.strm.data_type === Z_UNKNOWN) {
      s.strm.data_type = detect_data_type(s);
    }

    /* Construct the literal and distance trees */
    build_tree(s, s.l_desc);
    // Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len,
    //        s->static_len));

    build_tree(s, s.d_desc);
    // Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len,
    //        s->static_len));
    /* At this point, opt_len and static_len are the total bit lengths of
     * the compressed block data, excluding the tree representations.
     */

    /* Build the bit length tree for the above two trees, and get the index
     * in bl_order of the last bit length code to send.
     */
    max_blindex = build_bl_tree(s);

    /* Determine the best encoding. Compute the block lengths in bytes. */
    opt_lenb = (s.opt_len + 3 + 7) >>> 3;
    static_lenb = (s.static_len + 3 + 7) >>> 3;

    // Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
    //        opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
    //        s->last_lit));

    if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; }

  } else {
    // Assert(buf != (char*)0, "lost buf");
    opt_lenb = static_lenb = stored_len + 5; /* force a stored block */
  }

  if ((stored_len + 4 <= opt_lenb) && (buf !== -1)) {
    /* 4: two words for the lengths */

    /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
     * Otherwise we can't have processed more than WSIZE input bytes since
     * the last block flush, because compression would have been
     * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to
     * transform a block into a stored block.
     */
    _tr_stored_block(s, buf, stored_len, last);

  } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {

    send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3);
    compress_block(s, static_ltree, static_dtree);

  } else {
    send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3);
    send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1);
    compress_block(s, s.dyn_ltree, s.dyn_dtree);
  }
  // Assert (s->compressed_len == s->bits_sent, "bad compressed size");
  /* The above check is made mod 2^32, for files larger than 512 MB
   * and uLong implemented on 32 bits.
   */
  init_block(s);

  if (last) {
    bi_windup(s);
  }
  // Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3,
  //       s->compressed_len-7*last));
}

/* ===========================================================================
 * Save the match info and tally the frequency counts. Return true if
 * the current block must be flushed.
 */
function _tr_tally(s, dist, lc)
//    deflate_state *s;
//    unsigned dist;  /* distance of matched string */
//    unsigned lc;    /* match length-MIN_MATCH or unmatched char (if dist==0) */
{
  //var out_length, in_length, dcode;

  s.pending_buf[s.d_buf + s.last_lit * 2]     = (dist >>> 8) & 0xff;
  s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 0xff;

  s.pending_buf[s.l_buf + s.last_lit] = lc & 0xff;
  s.last_lit++;

  if (dist === 0) {
    /* lc is the unmatched char */
    s.dyn_ltree[lc * 2]/*.Freq*/++;
  } else {
    s.matches++;
    /* Here, lc is the match length - MIN_MATCH */
    dist--;             /* dist = match distance - 1 */
    //Assert((ush)dist < (ush)MAX_DIST(s) &&
    //       (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
    //       (ush)d_code(dist) < (ush)D_CODES,  "_tr_tally: bad match");

    s.dyn_ltree[(_length_code[lc] + LITERALS + 1) * 2]/*.Freq*/++;
    s.dyn_dtree[d_code(dist) * 2]/*.Freq*/++;
  }

// (!) This block is disabled in zlib defaults,
// don't enable it for binary compatibility

//#ifdef TRUNCATE_BLOCK
//  /* Try to guess if it is profitable to stop the current block here */
//  if ((s.last_lit & 0x1fff) === 0 && s.level > 2) {
//    /* Compute an upper bound for the compressed length */
//    out_length = s.last_lit*8;
//    in_length = s.strstart - s.block_start;
//
//    for (dcode = 0; dcode < D_CODES; dcode++) {
//      out_length += s.dyn_dtree[dcode*2]/*.Freq*/ * (5 + extra_dbits[dcode]);
//    }
//    out_length >>>= 3;
//    //Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
//    //       s->last_lit, in_length, out_length,
//    //       100L - out_length*100L/in_length));
//    if (s.matches < (s.last_lit>>1)/*int /2*/ && out_length < (in_length>>1)/*int /2*/) {
//      return true;
//    }
//  }
//#endif

  return (s.last_lit === s.lit_bufsize - 1);
  /* We avoid equality with lit_bufsize because of wraparound at 64K
   * on 16 bit machines and because stored blocks are restricted to
   * 64K-1 bytes.
   */
}

exports._tr_init  = _tr_init;
exports._tr_stored_block = _tr_stored_block;
exports._tr_flush_block  = _tr_flush_block;
exports._tr_tally = _tr_tally;
exports._tr_align = _tr_align;


/***/ }),

/***/ 54860:
/***/ ((module) => {

"use strict";


// (C) 1995-2013 Jean-loup Gailly and Mark Adler
// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//   claim that you wrote the original software. If you use this software
//   in a product, an acknowledgment in the product documentation would be
//   appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//   misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.

function ZStream() {
  /* next input byte */
  this.input = null; // JS specific, because we have no pointers
  this.next_in = 0;
  /* number of bytes available at input */
  this.avail_in = 0;
  /* total number of input bytes read so far */
  this.total_in = 0;
  /* next output byte should be put there */
  this.output = null; // JS specific, because we have no pointers
  this.next_out = 0;
  /* remaining free space at output */
  this.avail_out = 0;
  /* total number of bytes output so far */
  this.total_out = 0;
  /* last error message, NULL if no error */
  this.msg = ''/*Z_NULL*/;
  /* not visible by applications */
  this.state = null;
  /* best guess about the data type: binary or text */
  this.data_type = 2/*Z_UNKNOWN*/;
  /* adler32 value of the uncompressed data */
  this.adler = 0;
}

module.exports = ZStream;


/***/ }),

/***/ 77191:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var basex = __webpack_require__(58162)
var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'

module.exports = basex(ALPHABET)


/***/ }),

/***/ 53310:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var base58 = __webpack_require__(77191)
var Buffer = (__webpack_require__(89509).Buffer)

module.exports = function (checksumFn) {
  // Encode a buffer as a base58-check encoded string
  function encode (payload) {
    var checksum = checksumFn(payload)

    return base58.encode(Buffer.concat([
      payload,
      checksum
    ], payload.length + 4))
  }

  function decodeRaw (buffer) {
    var payload = buffer.slice(0, -4)
    var checksum = buffer.slice(-4)
    var newChecksum = checksumFn(payload)

    if (checksum[0] ^ newChecksum[0] |
        checksum[1] ^ newChecksum[1] |
        checksum[2] ^ newChecksum[2] |
        checksum[3] ^ newChecksum[3]) return

    return payload
  }

  // Decode a base58-check encoded string to a buffer, no result if checksum is wrong
  function decodeUnsafe (string) {
    var buffer = base58.decodeUnsafe(string)
    if (!buffer) return

    return decodeRaw(buffer)
  }

  function decode (string) {
    var buffer = base58.decode(string)
    var payload = decodeRaw(buffer, checksumFn)
    if (!payload) throw new Error('Invalid checksum')
    return payload
  }

  return {
    encode: encode,
    decode: decode,
    decodeUnsafe: decodeUnsafe
  }
}


/***/ }),

/***/ 58334:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var createHash = __webpack_require__(23482)
var bs58checkBase = __webpack_require__(53310)

// SHA256(SHA256(buffer))
function sha256x2 (buffer) {
  var tmp = createHash('sha256').update(buffer).digest()
  return createHash('sha256').update(tmp).digest()
}

module.exports = bs58checkBase(sha256x2)


/***/ }),

/***/ 67295:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
module.exports = function xor (a, b) {
  var length = Math.min(a.length, b.length)
  var buffer = new Buffer(length)

  for (var i = 0; i < length; ++i) {
    buffer[i] = a[i] ^ b[i]
  }

  return buffer
}


/***/ }),

/***/ 48764:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */



const base64 = __webpack_require__(79742)
const ieee754 = __webpack_require__(80645)
const customInspectSymbol =
  (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation
    ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
    : null

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

const K_MAX_LENGTH = 0x7fffffff
exports.kMaxLength = K_MAX_LENGTH

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Print warning and recommend using `buffer` v4.x which has an Object
 *               implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * We report that the browser does not support typed arrays if the are not subclassable
 * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
 * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
 * for __proto__ and has a buggy typed array implementation.
 */
Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()

if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
    typeof console.error === 'function') {
  console.error(
    'This browser lacks typed array (Uint8Array) support which is required by ' +
    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
  )
}

function typedArraySupport () {
  // Can typed array instances can be augmented?
  try {
    const arr = new Uint8Array(1)
    const proto = { foo: function () { return 42 } }
    Object.setPrototypeOf(proto, Uint8Array.prototype)
    Object.setPrototypeOf(arr, proto)
    return arr.foo() === 42
  } catch (e) {
    return false
  }
}

Object.defineProperty(Buffer.prototype, 'parent', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.buffer
  }
})

Object.defineProperty(Buffer.prototype, 'offset', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.byteOffset
  }
})

function createBuffer (length) {
  if (length > K_MAX_LENGTH) {
    throw new RangeError('The value "' + length + '" is invalid for option "size"')
  }
  // Return an augmented `Uint8Array` instance
  const buf = new Uint8Array(length)
  Object.setPrototypeOf(buf, Buffer.prototype)
  return buf
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new TypeError(
        'The "string" argument must be of type string. Received type number'
      )
    }
    return allocUnsafe(arg)
  }
  return from(arg, encodingOrOffset, length)
}

Buffer.poolSize = 8192 // not used by this implementation

function from (value, encodingOrOffset, length) {
  if (typeof value === 'string') {
    return fromString(value, encodingOrOffset)
  }

  if (ArrayBuffer.isView(value)) {
    return fromArrayView(value)
  }

  if (value == null) {
    throw new TypeError(
      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
      'or Array-like Object. Received type ' + (typeof value)
    )
  }

  if (isInstance(value, ArrayBuffer) ||
      (value && isInstance(value.buffer, ArrayBuffer))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

  if (typeof SharedArrayBuffer !== 'undefined' &&
      (isInstance(value, SharedArrayBuffer) ||
      (value && isInstance(value.buffer, SharedArrayBuffer)))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

  if (typeof value === 'number') {
    throw new TypeError(
      'The "value" argument must not be of type number. Received type number'
    )
  }

  const valueOf = value.valueOf && value.valueOf()
  if (valueOf != null && valueOf !== value) {
    return Buffer.from(valueOf, encodingOrOffset, length)
  }

  const b = fromObject(value)
  if (b) return b

  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
      typeof value[Symbol.toPrimitive] === 'function') {
    return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length)
  }

  throw new TypeError(
    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
    'or Array-like Object. Received type ' + (typeof value)
  )
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(value, encodingOrOffset, length)
}

// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
// https://github.com/feross/buffer/pull/148
Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)
Object.setPrototypeOf(Buffer, Uint8Array)

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be of type number')
  } else if (size < 0) {
    throw new RangeError('The value "' + size + '" is invalid for option "size"')
  }
}

function alloc (size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpreted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(size).fill(fill, encoding)
      : createBuffer(size).fill(fill)
  }
  return createBuffer(size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(size, fill, encoding)
}

function allocUnsafe (size) {
  assertSize(size)
  return createBuffer(size < 0 ? 0 : checked(size) | 0)
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(size)
}

function fromString (string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

  if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('Unknown encoding: ' + encoding)
  }

  const length = byteLength(string, encoding) | 0
  let buf = createBuffer(length)

  const actual = buf.write(string, encoding)

  if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    buf = buf.slice(0, actual)
  }

  return buf
}

function fromArrayLike (array) {
  const length = array.length < 0 ? 0 : checked(array.length) | 0
  const buf = createBuffer(length)
  for (let i = 0; i < length; i += 1) {
    buf[i] = array[i] & 255
  }
  return buf
}

function fromArrayView (arrayView) {
  if (isInstance(arrayView, Uint8Array)) {
    const copy = new Uint8Array(arrayView)
    return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength)
  }
  return fromArrayLike(arrayView)
}

function fromArrayBuffer (array, byteOffset, length) {
  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('"offset" is outside of buffer bounds')
  }

  if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('"length" is outside of buffer bounds')
  }

  let buf
  if (byteOffset === undefined && length === undefined) {
    buf = new Uint8Array(array)
  } else if (length === undefined) {
    buf = new Uint8Array(array, byteOffset)
  } else {
    buf = new Uint8Array(array, byteOffset, length)
  }

  // Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(buf, Buffer.prototype)

  return buf
}

function fromObject (obj) {
  if (Buffer.isBuffer(obj)) {
    const len = checked(obj.length) | 0
    const buf = createBuffer(len)

    if (buf.length === 0) {
      return buf
    }

    obj.copy(buf, 0, 0, len)
    return buf
  }

  if (obj.length !== undefined) {
    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
      return createBuffer(0)
    }
    return fromArrayLike(obj)
  }

  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
    return fromArrayLike(obj.data)
  }
}

function checked (length) {
  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= K_MAX_LENGTH) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return b != null && b._isBuffer === true &&
    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
}

Buffer.compare = function compare (a, b) {
  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError(
      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
    )
  }

  if (a === b) return 0

  let x = a.length
  let y = b.length

  for (let i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!Array.isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

  if (list.length === 0) {
    return Buffer.alloc(0)
  }

  let i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

  const buffer = Buffer.allocUnsafe(length)
  let pos = 0
  for (i = 0; i < list.length; ++i) {
    let buf = list[i]
    if (isInstance(buf, Uint8Array)) {
      if (pos + buf.length > buffer.length) {
        if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf)
        buf.copy(buffer, pos)
      } else {
        Uint8Array.prototype.set.call(
          buffer,
          buf,
          pos
        )
      }
    } else if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    } else {
      buf.copy(buffer, pos)
    }
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    throw new TypeError(
      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
      'Received type ' + typeof string
    )
  }

  const len = string.length
  const mustMatch = (arguments.length > 2 && arguments[2] === true)
  if (!mustMatch && len === 0) return 0

  // Use a for loop to avoid recursion
  let loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) {
          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
        }
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  let loweredCase = false

  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

  // This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

  if (end === undefined || end > this.length) {
    end = this.length
  }

  if (end <= 0) {
    return ''
  }

  // Force coercion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

  if (end <= start) {
    return ''
  }

  if (!encoding) encoding = 'utf8'

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
// reliably in a browserify context because there could be multiple different
// copies of the 'buffer' package in use. This method works even for Buffer
// instances that were created from another copy of the `buffer` package.
// See: https://github.com/feross/buffer/issues/154
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  const i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  const len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (let i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  const len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (let i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  const len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (let i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  const length = this.length
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.toLocaleString = Buffer.prototype.toString

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  let str = ''
  const max = exports.INSPECT_MAX_BYTES
  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
  if (this.length > max) str += ' ... '
  return '<Buffer ' + str + '>'
}
if (customInspectSymbol) {
  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (isInstance(target, Uint8Array)) {
    target = Buffer.from(target, target.offset, target.byteLength)
  }
  if (!Buffer.isBuffer(target)) {
    throw new TypeError(
      'The "target" argument must be one of type Buffer or Uint8Array. ' +
      'Received type ' + (typeof target)
    )
  }

  if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

  if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

  start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

  if (this === target) return 0

  let x = thisEnd - thisStart
  let y = end - start
  const len = Math.min(x, y)

  const thisCopy = this.slice(thisStart, thisEnd)
  const targetCopy = target.slice(start, end)

  for (let i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

  // Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset // Coerce to Number.
  if (numberIsNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

  // Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

  // Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

  // Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)
  }

  throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  let indexSize = 1
  let arrLength = arr.length
  let valLength = val.length

  if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

  function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

  let i
  if (dir) {
    let foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      let found = true
      for (let j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

  return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  const remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  const strLen = string.length

  if (length > strLen / 2) {
    length = strLen / 2
  }
  let i
  for (i = 0; i < length; ++i) {
    const parsed = parseInt(string.substr(i * 2, 2), 16)
    if (numberIsNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset >>> 0
    if (isFinite(length)) {
      length = length >>> 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

  const remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  let loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
      case 'latin1':
      case 'binary':
        return asciiWrite(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  const res = []

  let i = start
  while (i < end) {
    const firstByte = buf[i]
    let codePoint = null
    let bytesPerSequence = (firstByte > 0xEF)
      ? 4
      : (firstByte > 0xDF)
          ? 3
          : (firstByte > 0xBF)
              ? 2
              : 1

    if (i + bytesPerSequence <= end) {
      let secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
const MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  const len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  let res = ''
  let i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  let ret = ''
  end = Math.min(buf.length, end)

  for (let i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  let ret = ''
  end = Math.min(buf.length, end)

  for (let i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  const len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  let out = ''
  for (let i = start; i < end; ++i) {
    out += hexSliceLookupTable[buf[i]]
  }
  return out
}

function utf16leSlice (buf, start, end) {
  const bytes = buf.slice(start, end)
  let res = ''
  // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
  for (let i = 0; i < bytes.length - 1; i += 2) {
    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  const len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  const newBuf = this.subarray(start, end)
  // Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(newBuf, Buffer.prototype)

  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUintLE =
Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  let val = this[offset]
  let mul = 1
  let i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUintBE =
Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  let val = this[offset + --byteLength]
  let mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUint8 =
Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUint16LE =
Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUint16BE =
Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUint32LE =
Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUint32BE =
Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readBigUInt64LE = defineBigIntMethod(function readBigUInt64LE (offset) {
  offset = offset >>> 0
  validateNumber(offset, 'offset')
  const first = this[offset]
  const last = this[offset + 7]
  if (first === undefined || last === undefined) {
    boundsError(offset, this.length - 8)
  }

  const lo = first +
    this[++offset] * 2 ** 8 +
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 24

  const hi = this[++offset] +
    this[++offset] * 2 ** 8 +
    this[++offset] * 2 ** 16 +
    last * 2 ** 24

  return BigInt(lo) + (BigInt(hi) << BigInt(32))
})

Buffer.prototype.readBigUInt64BE = defineBigIntMethod(function readBigUInt64BE (offset) {
  offset = offset >>> 0
  validateNumber(offset, 'offset')
  const first = this[offset]
  const last = this[offset + 7]
  if (first === undefined || last === undefined) {
    boundsError(offset, this.length - 8)
  }

  const hi = first * 2 ** 24 +
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 8 +
    this[++offset]

  const lo = this[++offset] * 2 ** 24 +
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 8 +
    last

  return (BigInt(hi) << BigInt(32)) + BigInt(lo)
})

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  let val = this[offset]
  let mul = 1
  let i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  let i = byteLength
  let mul = 1
  let val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  const val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  const val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readBigInt64LE = defineBigIntMethod(function readBigInt64LE (offset) {
  offset = offset >>> 0
  validateNumber(offset, 'offset')
  const first = this[offset]
  const last = this[offset + 7]
  if (first === undefined || last === undefined) {
    boundsError(offset, this.length - 8)
  }

  const val = this[offset + 4] +
    this[offset + 5] * 2 ** 8 +
    this[offset + 6] * 2 ** 16 +
    (last << 24) // Overflow

  return (BigInt(val) << BigInt(32)) +
    BigInt(first +
    this[++offset] * 2 ** 8 +
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 24)
})

Buffer.prototype.readBigInt64BE = defineBigIntMethod(function readBigInt64BE (offset) {
  offset = offset >>> 0
  validateNumber(offset, 'offset')
  const first = this[offset]
  const last = this[offset + 7]
  if (first === undefined || last === undefined) {
    boundsError(offset, this.length - 8)
  }

  const val = (first << 24) + // Overflow
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 8 +
    this[++offset]

  return (BigInt(val) << BigInt(32)) +
    BigInt(this[++offset] * 2 ** 24 +
    this[++offset] * 2 ** 16 +
    this[++offset] * 2 ** 8 +
    last)
})

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUintLE =
Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    const maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  let mul = 1
  let i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUintBE =
Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    const maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  let i = byteLength - 1
  let mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUint8 =
Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeUint16LE =
Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeUint16BE =
Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeUint32LE =
Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset + 3] = (value >>> 24)
  this[offset + 2] = (value >>> 16)
  this[offset + 1] = (value >>> 8)
  this[offset] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeUint32BE =
Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

function wrtBigUInt64LE (buf, value, offset, min, max) {
  checkIntBI(value, min, max, buf, offset, 7)

  let lo = Number(value & BigInt(0xffffffff))
  buf[offset++] = lo
  lo = lo >> 8
  buf[offset++] = lo
  lo = lo >> 8
  buf[offset++] = lo
  lo = lo >> 8
  buf[offset++] = lo
  let hi = Number(value >> BigInt(32) & BigInt(0xffffffff))
  buf[offset++] = hi
  hi = hi >> 8
  buf[offset++] = hi
  hi = hi >> 8
  buf[offset++] = hi
  hi = hi >> 8
  buf[offset++] = hi
  return offset
}

function wrtBigUInt64BE (buf, value, offset, min, max) {
  checkIntBI(value, min, max, buf, offset, 7)

  let lo = Number(value & BigInt(0xffffffff))
  buf[offset + 7] = lo
  lo = lo >> 8
  buf[offset + 6] = lo
  lo = lo >> 8
  buf[offset + 5] = lo
  lo = lo >> 8
  buf[offset + 4] = lo
  let hi = Number(value >> BigInt(32) & BigInt(0xffffffff))
  buf[offset + 3] = hi
  hi = hi >> 8
  buf[offset + 2] = hi
  hi = hi >> 8
  buf[offset + 1] = hi
  hi = hi >> 8
  buf[offset] = hi
  return offset + 8
}

Buffer.prototype.writeBigUInt64LE = defineBigIntMethod(function writeBigUInt64LE (value, offset = 0) {
  return wrtBigUInt64LE(this, value, offset, BigInt(0), BigInt('0xffffffffffffffff'))
})

Buffer.prototype.writeBigUInt64BE = defineBigIntMethod(function writeBigUInt64BE (value, offset = 0) {
  return wrtBigUInt64BE(this, value, offset, BigInt(0), BigInt('0xffffffffffffffff'))
})

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    const limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  let i = 0
  let mul = 1
  let sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    const limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  let i = byteLength - 1
  let mul = 1
  let sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  this[offset + 2] = (value >>> 16)
  this[offset + 3] = (value >>> 24)
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeBigInt64LE = defineBigIntMethod(function writeBigInt64LE (value, offset = 0) {
  return wrtBigUInt64LE(this, value, offset, -BigInt('0x8000000000000000'), BigInt('0x7fffffffffffffff'))
})

Buffer.prototype.writeBigInt64BE = defineBigIntMethod(function writeBigInt64BE (value, offset = 0) {
  return wrtBigUInt64BE(this, value, offset, -BigInt('0x8000000000000000'), BigInt('0x7fffffffffffffff'))
})

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  const len = end - start

  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
    // Use built-in when available, missing from IE11
    this.copyWithin(targetStart, start, end)
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, end),
      targetStart
    )
  }

  return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
    if (val.length === 1) {
      const code = val.charCodeAt(0)
      if ((encoding === 'utf8' && code < 128) ||
          encoding === 'latin1') {
        // Fast path: If `val` fits into a single byte, use that numeric value.
        val = code
      }
    }
  } else if (typeof val === 'number') {
    val = val & 255
  } else if (typeof val === 'boolean') {
    val = Number(val)
  }

  // Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

  if (end <= start) {
    return this
  }

  start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

  if (!val) val = 0

  let i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    const bytes = Buffer.isBuffer(val)
      ? val
      : Buffer.from(val, encoding)
    const len = bytes.length
    if (len === 0) {
      throw new TypeError('The value "' + val +
        '" is invalid for argument "value"')
    }
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

  return this
}

// CUSTOM ERRORS
// =============

// Simplified versions from Node, changed for Buffer-only usage
const errors = {}
function E (sym, getMessage, Base) {
  errors[sym] = class NodeError extends Base {
    constructor () {
      super()

      Object.defineProperty(this, 'message', {
        value: getMessage.apply(this, arguments),
        writable: true,
        configurable: true
      })

      // Add the error code to the name to include it in the stack trace.
      this.name = `${this.name} [${sym}]`
      // Access the stack to generate the error message including the error code
      // from the name.
      this.stack // eslint-disable-line no-unused-expressions
      // Reset the name to the actual name.
      delete this.name
    }

    get code () {
      return sym
    }

    set code (value) {
      Object.defineProperty(this, 'code', {
        configurable: true,
        enumerable: true,
        value,
        writable: true
      })
    }

    toString () {
      return `${this.name} [${sym}]: ${this.message}`
    }
  }
}

E('ERR_BUFFER_OUT_OF_BOUNDS',
  function (name) {
    if (name) {
      return `${name} is outside of buffer bounds`
    }

    return 'Attempt to access memory outside buffer bounds'
  }, RangeError)
E('ERR_INVALID_ARG_TYPE',
  function (name, actual) {
    return `The "${name}" argument must be of type number. Received type ${typeof actual}`
  }, TypeError)
E('ERR_OUT_OF_RANGE',
  function (str, range, input) {
    let msg = `The value of "${str}" is out of range.`
    let received = input
    if (Number.isInteger(input) && Math.abs(input) > 2 ** 32) {
      received = addNumericalSeparator(String(input))
    } else if (typeof input === 'bigint') {
      received = String(input)
      if (input > BigInt(2) ** BigInt(32) || input < -(BigInt(2) ** BigInt(32))) {
        received = addNumericalSeparator(received)
      }
      received += 'n'
    }
    msg += ` It must be ${range}. Received ${received}`
    return msg
  }, RangeError)

function addNumericalSeparator (val) {
  let res = ''
  let i = val.length
  const start = val[0] === '-' ? 1 : 0
  for (; i >= start + 4; i -= 3) {
    res = `_${val.slice(i - 3, i)}${res}`
  }
  return `${val.slice(0, i)}${res}`
}

// CHECK FUNCTIONS
// ===============

function checkBounds (buf, offset, byteLength) {
  validateNumber(offset, 'offset')
  if (buf[offset] === undefined || buf[offset + byteLength] === undefined) {
    boundsError(offset, buf.length - (byteLength + 1))
  }
}

function checkIntBI (value, min, max, buf, offset, byteLength) {
  if (value > max || value < min) {
    const n = typeof min === 'bigint' ? 'n' : ''
    let range
    if (byteLength > 3) {
      if (min === 0 || min === BigInt(0)) {
        range = `>= 0${n} and < 2${n} ** ${(byteLength + 1) * 8}${n}`
      } else {
        range = `>= -(2${n} ** ${(byteLength + 1) * 8 - 1}${n}) and < 2 ** ` +
                `${(byteLength + 1) * 8 - 1}${n}`
      }
    } else {
      range = `>= ${min}${n} and <= ${max}${n}`
    }
    throw new errors.ERR_OUT_OF_RANGE('value', range, value)
  }
  checkBounds(buf, offset, byteLength)
}

function validateNumber (value, name) {
  if (typeof value !== 'number') {
    throw new errors.ERR_INVALID_ARG_TYPE(name, 'number', value)
  }
}

function boundsError (value, length, type) {
  if (Math.floor(value) !== value) {
    validateNumber(value, type)
    throw new errors.ERR_OUT_OF_RANGE(type || 'offset', 'an integer', value)
  }

  if (length < 0) {
    throw new errors.ERR_BUFFER_OUT_OF_BOUNDS()
  }

  throw new errors.ERR_OUT_OF_RANGE(type || 'offset',
                                    `>= ${type ? 1 : 0} and <= ${length}`,
                                    value)
}

// HELPER FUNCTIONS
// ================

const INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node takes equal signs as end of the Base64 encoding
  str = str.split('=')[0]
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = str.trim().replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  let codePoint
  const length = string.length
  let leadSurrogate = null
  const bytes = []

  for (let i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  const byteArray = []
  for (let i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  let c, hi, lo
  const byteArray = []
  for (let i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  let i
  for (i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
// the `instanceof` check but they should be treated as of that type.
// See: https://github.com/feross/buffer/issues/166
function isInstance (obj, type) {
  return obj instanceof type ||
    (obj != null && obj.constructor != null && obj.constructor.name != null &&
      obj.constructor.name === type.name)
}
function numberIsNaN (obj) {
  // For IE11 support
  return obj !== obj // eslint-disable-line no-self-compare
}

// Create lookup table for `toString('hex')`
// See: https://github.com/feross/buffer/issues/219
const hexSliceLookupTable = (function () {
  const alphabet = '0123456789abcdef'
  const table = new Array(256)
  for (let i = 0; i < 16; ++i) {
    const i16 = i * 16
    for (let j = 0; j < 16; ++j) {
      table[i16 + j] = alphabet[i] + alphabet[j]
    }
  }
  return table
})()

// Return not function with Error if BigInt not supported
function defineBigIntMethod (fn) {
  return typeof BigInt === 'undefined' ? BufferBigIntNotDefined : fn
}

function BufferBigIntNotDefined () {
  throw new Error('BigInt not supported')
}


/***/ }),

/***/ 50584:
/***/ ((module) => {

module.exports = {
  "100": "Continue",
  "101": "Switching Protocols",
  "102": "Processing",
  "200": "OK",
  "201": "Created",
  "202": "Accepted",
  "203": "Non-Authoritative Information",
  "204": "No Content",
  "205": "Reset Content",
  "206": "Partial Content",
  "207": "Multi-Status",
  "208": "Already Reported",
  "226": "IM Used",
  "300": "Multiple Choices",
  "301": "Moved Permanently",
  "302": "Found",
  "303": "See Other",
  "304": "Not Modified",
  "305": "Use Proxy",
  "307": "Temporary Redirect",
  "308": "Permanent Redirect",
  "400": "Bad Request",
  "401": "Unauthorized",
  "402": "Payment Required",
  "403": "Forbidden",
  "404": "Not Found",
  "405": "Method Not Allowed",
  "406": "Not Acceptable",
  "407": "Proxy Authentication Required",
  "408": "Request Timeout",
  "409": "Conflict",
  "410": "Gone",
  "411": "Length Required",
  "412": "Precondition Failed",
  "413": "Payload Too Large",
  "414": "URI Too Long",
  "415": "Unsupported Media Type",
  "416": "Range Not Satisfiable",
  "417": "Expectation Failed",
  "418": "I'm a teapot",
  "421": "Misdirected Request",
  "422": "Unprocessable Entity",
  "423": "Locked",
  "424": "Failed Dependency",
  "425": "Unordered Collection",
  "426": "Upgrade Required",
  "428": "Precondition Required",
  "429": "Too Many Requests",
  "431": "Request Header Fields Too Large",
  "451": "Unavailable For Legal Reasons",
  "500": "Internal Server Error",
  "501": "Not Implemented",
  "502": "Bad Gateway",
  "503": "Service Unavailable",
  "504": "Gateway Timeout",
  "505": "HTTP Version Not Supported",
  "506": "Variant Also Negotiates",
  "507": "Insufficient Storage",
  "508": "Loop Detected",
  "509": "Bandwidth Limit Exceeded",
  "510": "Not Extended",
  "511": "Network Authentication Required"
}


/***/ }),

/***/ 21924:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var GetIntrinsic = __webpack_require__(40210);

var callBind = __webpack_require__(55559);

var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));

module.exports = function callBoundIntrinsic(name, allowMissing) {
	var intrinsic = GetIntrinsic(name, !!allowMissing);
	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
		return callBind(intrinsic);
	}
	return intrinsic;
};


/***/ }),

/***/ 55559:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var bind = __webpack_require__(58612);
var GetIntrinsic = __webpack_require__(40210);

var $apply = GetIntrinsic('%Function.prototype.apply%');
var $call = GetIntrinsic('%Function.prototype.call%');
var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);

var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);
var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
var $max = GetIntrinsic('%Math.max%');

if ($defineProperty) {
	try {
		$defineProperty({}, 'a', { value: 1 });
	} catch (e) {
		// IE 8 has a broken defineProperty
		$defineProperty = null;
	}
}

module.exports = function callBind(originalFunction) {
	var func = $reflectApply(bind, $call, arguments);
	if ($gOPD && $defineProperty) {
		var desc = $gOPD(func, 'length');
		if (desc.configurable) {
			// original length, plus the receiver, minus any additional arguments (after the receiver)
			$defineProperty(
				func,
				'length',
				{ value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) }
			);
		}
	}
	return func;
};

var applyBind = function applyBind() {
	return $reflectApply(bind, $apply, arguments);
};

if ($defineProperty) {
	$defineProperty(module.exports, 'apply', { value: applyBind });
} else {
	module.exports.apply = applyBind;
}


/***/ }),

/***/ 71027:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)
var Transform = (__webpack_require__(42830).Transform)
var StringDecoder = (__webpack_require__(32553)/* .StringDecoder */ .s)
var inherits = __webpack_require__(35717)

function CipherBase (hashMode) {
  Transform.call(this)
  this.hashMode = typeof hashMode === 'string'
  if (this.hashMode) {
    this[hashMode] = this._finalOrDigest
  } else {
    this.final = this._finalOrDigest
  }
  if (this._final) {
    this.__final = this._final
    this._final = null
  }
  this._decoder = null
  this._encoding = null
}
inherits(CipherBase, Transform)

CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
  if (typeof data === 'string') {
    data = Buffer.from(data, inputEnc)
  }

  var outData = this._update(data)
  if (this.hashMode) return this

  if (outputEnc) {
    outData = this._toString(outData, outputEnc)
  }

  return outData
}

CipherBase.prototype.setAutoPadding = function () {}
CipherBase.prototype.getAuthTag = function () {
  throw new Error('trying to get auth tag in unsupported state')
}

CipherBase.prototype.setAuthTag = function () {
  throw new Error('trying to set auth tag in unsupported state')
}

CipherBase.prototype.setAAD = function () {
  throw new Error('trying to set aad in unsupported state')
}

CipherBase.prototype._transform = function (data, _, next) {
  var err
  try {
    if (this.hashMode) {
      this._update(data)
    } else {
      this.push(this._update(data))
    }
  } catch (e) {
    err = e
  } finally {
    next(err)
  }
}
CipherBase.prototype._flush = function (done) {
  var err
  try {
    this.push(this.__final())
  } catch (e) {
    err = e
  }

  done(err)
}
CipherBase.prototype._finalOrDigest = function (outputEnc) {
  var outData = this.__final() || Buffer.alloc(0)
  if (outputEnc) {
    outData = this._toString(outData, outputEnc, true)
  }
  return outData
}

CipherBase.prototype._toString = function (value, enc, fin) {
  if (!this._decoder) {
    this._decoder = new StringDecoder(enc)
    this._encoding = enc
  }

  if (this._encoding !== enc) throw new Error('can\'t switch encodings')

  var out = this._decoder.write(value)
  if (fin) {
    out += this._decoder.end()
  }

  return out
}

module.exports = CipherBase


/***/ }),

/***/ 76393:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var elliptic = __webpack_require__(86266)
var BN = __webpack_require__(16426)

module.exports = function createECDH (curve) {
  return new ECDH(curve)
}

var aliases = {
  secp256k1: {
    name: 'secp256k1',
    byteLength: 32
  },
  secp224r1: {
    name: 'p224',
    byteLength: 28
  },
  prime256v1: {
    name: 'p256',
    byteLength: 32
  },
  prime192v1: {
    name: 'p192',
    byteLength: 24
  },
  ed25519: {
    name: 'ed25519',
    byteLength: 32
  },
  secp384r1: {
    name: 'p384',
    byteLength: 48
  },
  secp521r1: {
    name: 'p521',
    byteLength: 66
  }
}

aliases.p224 = aliases.secp224r1
aliases.p256 = aliases.secp256r1 = aliases.prime256v1
aliases.p192 = aliases.secp192r1 = aliases.prime192v1
aliases.p384 = aliases.secp384r1
aliases.p521 = aliases.secp521r1

function ECDH (curve) {
  this.curveType = aliases[curve]
  if (!this.curveType) {
    this.curveType = {
      name: curve
    }
  }
  this.curve = new elliptic.ec(this.curveType.name) // eslint-disable-line new-cap
  this.keys = void 0
}

ECDH.prototype.generateKeys = function (enc, format) {
  this.keys = this.curve.genKeyPair()
  return this.getPublicKey(enc, format)
}

ECDH.prototype.computeSecret = function (other, inenc, enc) {
  inenc = inenc || 'utf8'
  if (!Buffer.isBuffer(other)) {
    other = new Buffer(other, inenc)
  }
  var otherPub = this.curve.keyFromPublic(other).getPublic()
  var out = otherPub.mul(this.keys.getPrivate()).getX()
  return formatReturnValue(out, enc, this.curveType.byteLength)
}

ECDH.prototype.getPublicKey = function (enc, format) {
  var key = this.keys.getPublic(format === 'compressed', true)
  if (format === 'hybrid') {
    if (key[key.length - 1] % 2) {
      key[0] = 7
    } else {
      key[0] = 6
    }
  }
  return formatReturnValue(key, enc)
}

ECDH.prototype.getPrivateKey = function (enc) {
  return formatReturnValue(this.keys.getPrivate(), enc)
}

ECDH.prototype.setPublicKey = function (pub, enc) {
  enc = enc || 'utf8'
  if (!Buffer.isBuffer(pub)) {
    pub = new Buffer(pub, enc)
  }
  this.keys._importPublic(pub)
  return this
}

ECDH.prototype.setPrivateKey = function (priv, enc) {
  enc = enc || 'utf8'
  if (!Buffer.isBuffer(priv)) {
    priv = new Buffer(priv, enc)
  }

  var _priv = new BN(priv)
  _priv = _priv.toString(16)
  this.keys = this.curve.genKeyPair()
  this.keys._importPrivate(_priv)
  return this
}

function formatReturnValue (bn, enc, len) {
  if (!Array.isArray(bn)) {
    bn = bn.toArray()
  }
  var buf = new Buffer(bn)
  if (len && buf.length < len) {
    var zeros = new Buffer(len - buf.length)
    zeros.fill(0)
    buf = Buffer.concat([zeros, buf])
  }
  if (!enc) {
    return buf
  } else {
    return buf.toString(enc)
  }
}


/***/ }),

/***/ 16426:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(8623).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 23482:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var inherits = __webpack_require__(35717)
var MD5 = __webpack_require__(62318)
var RIPEMD160 = __webpack_require__(79785)
var sha = __webpack_require__(89072)
var Base = __webpack_require__(71027)

function Hash (hash) {
  Base.call(this, 'digest')

  this._hash = hash
}

inherits(Hash, Base)

Hash.prototype._update = function (data) {
  this._hash.update(data)
}

Hash.prototype._final = function () {
  return this._hash.digest()
}

module.exports = function createHash (alg) {
  alg = alg.toLowerCase()
  if (alg === 'md5') return new MD5()
  if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160()

  return new Hash(sha(alg))
}


/***/ }),

/***/ 78028:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var MD5 = __webpack_require__(62318)

module.exports = function (buffer) {
  return new MD5().update(buffer).digest()
}


/***/ }),

/***/ 58355:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var inherits = __webpack_require__(35717)
var Legacy = __webpack_require__(51031)
var Base = __webpack_require__(71027)
var Buffer = (__webpack_require__(89509).Buffer)
var md5 = __webpack_require__(78028)
var RIPEMD160 = __webpack_require__(79785)

var sha = __webpack_require__(89072)

var ZEROS = Buffer.alloc(128)

function Hmac (alg, key) {
  Base.call(this, 'digest')
  if (typeof key === 'string') {
    key = Buffer.from(key)
  }

  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64

  this._alg = alg
  this._key = key
  if (key.length > blocksize) {
    var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
    key = hash.update(key).digest()
  } else if (key.length < blocksize) {
    key = Buffer.concat([key, ZEROS], blocksize)
  }

  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
  var opad = this._opad = Buffer.allocUnsafe(blocksize)

  for (var i = 0; i < blocksize; i++) {
    ipad[i] = key[i] ^ 0x36
    opad[i] = key[i] ^ 0x5C
  }
  this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
  this._hash.update(ipad)
}

inherits(Hmac, Base)

Hmac.prototype._update = function (data) {
  this._hash.update(data)
}

Hmac.prototype._final = function () {
  var h = this._hash.digest()
  var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
  return hash.update(this._opad).update(h).digest()
}

module.exports = function createHmac (alg, key) {
  alg = alg.toLowerCase()
  if (alg === 'rmd160' || alg === 'ripemd160') {
    return new Hmac('rmd160', key)
  }
  if (alg === 'md5') {
    return new Legacy(md5, key)
  }
  return new Hmac(alg, key)
}


/***/ }),

/***/ 51031:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var inherits = __webpack_require__(35717)
var Buffer = (__webpack_require__(89509).Buffer)

var Base = __webpack_require__(71027)

var ZEROS = Buffer.alloc(128)
var blocksize = 64

function Hmac (alg, key) {
  Base.call(this, 'digest')
  if (typeof key === 'string') {
    key = Buffer.from(key)
  }

  this._alg = alg
  this._key = key

  if (key.length > blocksize) {
    key = alg(key)
  } else if (key.length < blocksize) {
    key = Buffer.concat([key, ZEROS], blocksize)
  }

  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
  var opad = this._opad = Buffer.allocUnsafe(blocksize)

  for (var i = 0; i < blocksize; i++) {
    ipad[i] = key[i] ^ 0x36
    opad[i] = key[i] ^ 0x5C
  }

  this._hash = [ipad]
}

inherits(Hmac, Base)

Hmac.prototype._update = function (data) {
  this._hash.push(data)
}

Hmac.prototype._final = function () {
  var h = this._alg(Buffer.concat(this._hash))
  return this._alg(Buffer.concat([this._opad, h]))
}
module.exports = Hmac


/***/ }),

/***/ 55835:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = __webpack_require__(61798)
exports.createHash = exports.Hash = __webpack_require__(23482)
exports.createHmac = exports.Hmac = __webpack_require__(58355)

var algos = __webpack_require__(56042)
var algoKeys = Object.keys(algos)
var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(algoKeys)
exports.getHashes = function () {
  return hashes
}

var p = __webpack_require__(25632)
exports.pbkdf2 = p.pbkdf2
exports.pbkdf2Sync = p.pbkdf2Sync

var aes = __webpack_require__(53614)

exports.Cipher = aes.Cipher
exports.createCipher = aes.createCipher
exports.Cipheriv = aes.Cipheriv
exports.createCipheriv = aes.createCipheriv
exports.Decipher = aes.Decipher
exports.createDecipher = aes.createDecipher
exports.Decipheriv = aes.Decipheriv
exports.createDecipheriv = aes.createDecipheriv
exports.getCiphers = aes.getCiphers
exports.listCiphers = aes.listCiphers

var dh = __webpack_require__(62607)

exports.DiffieHellmanGroup = dh.DiffieHellmanGroup
exports.createDiffieHellmanGroup = dh.createDiffieHellmanGroup
exports.getDiffieHellman = dh.getDiffieHellman
exports.createDiffieHellman = dh.createDiffieHellman
exports.DiffieHellman = dh.DiffieHellman

var sign = __webpack_require__(64743)

exports.createSign = sign.createSign
exports.Sign = sign.Sign
exports.createVerify = sign.createVerify
exports.Verify = sign.Verify

exports.createECDH = __webpack_require__(76393)

var publicEncrypt = __webpack_require__(7900)

exports.publicEncrypt = publicEncrypt.publicEncrypt
exports.privateEncrypt = publicEncrypt.privateEncrypt
exports.publicDecrypt = publicEncrypt.publicDecrypt
exports.privateDecrypt = publicEncrypt.privateDecrypt

// the least I can do is make error messages for the rest of the node.js/crypto api.
// ;[
//   'createCredentials'
// ].forEach(function (name) {
//   exports[name] = function () {
//     throw new Error([
//       'sorry, ' + name + ' is not implemented yet',
//       'we accept pull requests',
//       'https://github.com/crypto-browserify/crypto-browserify'
//     ].join('\n'))
//   }
// })

var rf = __webpack_require__(77963)

exports.randomFill = rf.randomFill
exports.randomFillSync = rf.randomFillSync

exports.createCredentials = function () {
  throw new Error([
    'sorry, createCredentials is not implemented yet',
    'we accept pull requests',
    'https://github.com/crypto-browserify/crypto-browserify'
  ].join('\n'))
}

exports.constants = {
  'DH_CHECK_P_NOT_SAFE_PRIME': 2,
  'DH_CHECK_P_NOT_PRIME': 1,
  'DH_UNABLE_TO_CHECK_GENERATOR': 4,
  'DH_NOT_SUITABLE_GENERATOR': 8,
  'NPN_ENABLED': 1,
  'ALPN_ENABLED': 1,
  'RSA_PKCS1_PADDING': 1,
  'RSA_SSLV23_PADDING': 2,
  'RSA_NO_PADDING': 3,
  'RSA_PKCS1_OAEP_PADDING': 4,
  'RSA_X931_PADDING': 5,
  'RSA_PKCS1_PSS_PADDING': 6,
  'POINT_CONVERSION_COMPRESSED': 2,
  'POINT_CONVERSION_UNCOMPRESSED': 4,
  'POINT_CONVERSION_HYBRID': 6
}


/***/ }),

/***/ 93776:
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_RESULT__;;(function (globalScope) {
  'use strict';


  /*
   *  decimal.js v10.3.1
   *  An arbitrary-precision Decimal type for JavaScript.
   *  https://github.com/MikeMcl/decimal.js
   *  Copyright (c) 2021 Michael Mclaughlin <M8ch88l@gmail.com>
   *  MIT Licence
   */


  // -----------------------------------  EDITABLE DEFAULTS  ------------------------------------ //


    // The maximum exponent magnitude.
    // The limit on the value of `toExpNeg`, `toExpPos`, `minE` and `maxE`.
  var EXP_LIMIT = 9e15,                      // 0 to 9e15

    // The limit on the value of `precision`, and on the value of the first argument to
    // `toDecimalPlaces`, `toExponential`, `toFixed`, `toPrecision` and `toSignificantDigits`.
    MAX_DIGITS = 1e9,                        // 0 to 1e9

    // Base conversion alphabet.
    NUMERALS = '0123456789abcdef',

    // The natural logarithm of 10 (1025 digits).
    LN10 = '2.3025850929940456840179914546843642076011014886287729760333279009675726096773524802359972050895982983419677840422862486334095254650828067566662873690987816894829072083255546808437998948262331985283935053089653777326288461633662222876982198867465436674744042432743651550489343149393914796194044002221051017141748003688084012647080685567743216228355220114804663715659121373450747856947683463616792101806445070648000277502684916746550586856935673420670581136429224554405758925724208241314695689016758940256776311356919292033376587141660230105703089634572075440370847469940168269282808481184289314848524948644871927809676271275775397027668605952496716674183485704422507197965004714951050492214776567636938662976979522110718264549734772662425709429322582798502585509785265383207606726317164309505995087807523710333101197857547331541421808427543863591778117054309827482385045648019095610299291824318237525357709750539565187697510374970888692180205189339507238539205144634197265287286965110862571492198849978748873771345686209167058',

    // Pi (1025 digits).
    PI = '3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632789',


    // The initial configuration properties of the Decimal constructor.
    DEFAULTS = {

      // These values must be integers within the stated ranges (inclusive).
      // Most of these values can be changed at run-time using the `Decimal.config` method.

      // The maximum number of significant digits of the result of a calculation or base conversion.
      // E.g. `Decimal.config({ precision: 20 });`
      precision: 20,                         // 1 to MAX_DIGITS

      // The rounding mode used when rounding to `precision`.
      //
      // ROUND_UP         0 Away from zero.
      // ROUND_DOWN       1 Towards zero.
      // ROUND_CEIL       2 Towards +Infinity.
      // ROUND_FLOOR      3 Towards -Infinity.
      // ROUND_HALF_UP    4 Towards nearest neighbour. If equidistant, up.
      // ROUND_HALF_DOWN  5 Towards nearest neighbour. If equidistant, down.
      // ROUND_HALF_EVEN  6 Towards nearest neighbour. If equidistant, towards even neighbour.
      // ROUND_HALF_CEIL  7 Towards nearest neighbour. If equidistant, towards +Infinity.
      // ROUND_HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.
      //
      // E.g.
      // `Decimal.rounding = 4;`
      // `Decimal.rounding = Decimal.ROUND_HALF_UP;`
      rounding: 4,                           // 0 to 8

      // The modulo mode used when calculating the modulus: a mod n.
      // The quotient (q = a / n) is calculated according to the corresponding rounding mode.
      // The remainder (r) is calculated as: r = a - n * q.
      //
      // UP         0 The remainder is positive if the dividend is negative, else is negative.
      // DOWN       1 The remainder has the same sign as the dividend (JavaScript %).
      // FLOOR      3 The remainder has the same sign as the divisor (Python %).
      // HALF_EVEN  6 The IEEE 754 remainder function.
      // EUCLID     9 Euclidian division. q = sign(n) * floor(a / abs(n)). Always positive.
      //
      // Truncated division (1), floored division (3), the IEEE 754 remainder (6), and Euclidian
      // division (9) are commonly used for the modulus operation. The other rounding modes can also
      // be used, but they may not give useful results.
      modulo: 1,                             // 0 to 9

      // The exponent value at and beneath which `toString` returns exponential notation.
      // JavaScript numbers: -7
      toExpNeg: -7,                          // 0 to -EXP_LIMIT

      // The exponent value at and above which `toString` returns exponential notation.
      // JavaScript numbers: 21
      toExpPos:  21,                         // 0 to EXP_LIMIT

      // The minimum exponent value, beneath which underflow to zero occurs.
      // JavaScript numbers: -324  (5e-324)
      minE: -EXP_LIMIT,                      // -1 to -EXP_LIMIT

      // The maximum exponent value, above which overflow to Infinity occurs.
      // JavaScript numbers: 308  (1.7976931348623157e+308)
      maxE: EXP_LIMIT,                       // 1 to EXP_LIMIT

      // Whether to use cryptographically-secure random number generation, if available.
      crypto: false                          // true/false
    },


  // ----------------------------------- END OF EDITABLE DEFAULTS ------------------------------- //


    Decimal, inexact, noConflict, quadrant,
    external = true,

    decimalError = '[DecimalError] ',
    invalidArgument = decimalError + 'Invalid argument: ',
    precisionLimitExceeded = decimalError + 'Precision limit exceeded',
    cryptoUnavailable = decimalError + 'crypto unavailable',
    tag = '[object Decimal]',

    mathfloor = Math.floor,
    mathpow = Math.pow,

    isBinary = /^0b([01]+(\.[01]*)?|\.[01]+)(p[+-]?\d+)?$/i,
    isHex = /^0x([0-9a-f]+(\.[0-9a-f]*)?|\.[0-9a-f]+)(p[+-]?\d+)?$/i,
    isOctal = /^0o([0-7]+(\.[0-7]*)?|\.[0-7]+)(p[+-]?\d+)?$/i,
    isDecimal = /^(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,

    BASE = 1e7,
    LOG_BASE = 7,
    MAX_SAFE_INTEGER = 9007199254740991,

    LN10_PRECISION = LN10.length - 1,
    PI_PRECISION = PI.length - 1,

    // Decimal.prototype object
    P = { toStringTag: tag };


  // Decimal prototype methods


  /*
   *  absoluteValue             abs
   *  ceil
   *  clampedTo                 clamp
   *  comparedTo                cmp
   *  cosine                    cos
   *  cubeRoot                  cbrt
   *  decimalPlaces             dp
   *  dividedBy                 div
   *  dividedToIntegerBy        divToInt
   *  equals                    eq
   *  floor
   *  greaterThan               gt
   *  greaterThanOrEqualTo      gte
   *  hyperbolicCosine          cosh
   *  hyperbolicSine            sinh
   *  hyperbolicTangent         tanh
   *  inverseCosine             acos
   *  inverseHyperbolicCosine   acosh
   *  inverseHyperbolicSine     asinh
   *  inverseHyperbolicTangent  atanh
   *  inverseSine               asin
   *  inverseTangent            atan
   *  isFinite
   *  isInteger                 isInt
   *  isNaN
   *  isNegative                isNeg
   *  isPositive                isPos
   *  isZero
   *  lessThan                  lt
   *  lessThanOrEqualTo         lte
   *  logarithm                 log
   *  [maximum]                 [max]
   *  [minimum]                 [min]
   *  minus                     sub
   *  modulo                    mod
   *  naturalExponential        exp
   *  naturalLogarithm          ln
   *  negated                   neg
   *  plus                      add
   *  precision                 sd
   *  round
   *  sine                      sin
   *  squareRoot                sqrt
   *  tangent                   tan
   *  times                     mul
   *  toBinary
   *  toDecimalPlaces           toDP
   *  toExponential
   *  toFixed
   *  toFraction
   *  toHexadecimal             toHex
   *  toNearest
   *  toNumber
   *  toOctal
   *  toPower                   pow
   *  toPrecision
   *  toSignificantDigits       toSD
   *  toString
   *  truncated                 trunc
   *  valueOf                   toJSON
   */


  /*
   * Return a new Decimal whose value is the absolute value of this Decimal.
   *
   */
  P.absoluteValue = P.abs = function () {
    var x = new this.constructor(this);
    if (x.s < 0) x.s = 1;
    return finalise(x);
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the
   * direction of positive Infinity.
   *
   */
  P.ceil = function () {
    return finalise(new this.constructor(this), this.e + 1, 2);
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal clamped to the range
   * delineated by `min` and `max`.
   *
   * min {number|string|Decimal}
   * max {number|string|Decimal}
   *
   */
  P.clampedTo = P.clamp = function (min, max) {
    var k,
      x = this,
      Ctor = x.constructor;
    min = new Ctor(min);
    max = new Ctor(max);
    if (!min.s || !max.s) return new Ctor(NaN);
    if (min.gt(max)) throw Error(invalidArgument + max);
    k = x.cmp(min);
    return k < 0 ? min : x.cmp(max) > 0 ? max : new Ctor(x);
  };


  /*
   * Return
   *   1    if the value of this Decimal is greater than the value of `y`,
   *  -1    if the value of this Decimal is less than the value of `y`,
   *   0    if they have the same value,
   *   NaN  if the value of either Decimal is NaN.
   *
   */
  P.comparedTo = P.cmp = function (y) {
    var i, j, xdL, ydL,
      x = this,
      xd = x.d,
      yd = (y = new x.constructor(y)).d,
      xs = x.s,
      ys = y.s;

    // Either NaN or ±Infinity?
    if (!xd || !yd) {
      return !xs || !ys ? NaN : xs !== ys ? xs : xd === yd ? 0 : !xd ^ xs < 0 ? 1 : -1;
    }

    // Either zero?
    if (!xd[0] || !yd[0]) return xd[0] ? xs : yd[0] ? -ys : 0;

    // Signs differ?
    if (xs !== ys) return xs;

    // Compare exponents.
    if (x.e !== y.e) return x.e > y.e ^ xs < 0 ? 1 : -1;

    xdL = xd.length;
    ydL = yd.length;

    // Compare digit by digit.
    for (i = 0, j = xdL < ydL ? xdL : ydL; i < j; ++i) {
      if (xd[i] !== yd[i]) return xd[i] > yd[i] ^ xs < 0 ? 1 : -1;
    }

    // Compare lengths.
    return xdL === ydL ? 0 : xdL > ydL ^ xs < 0 ? 1 : -1;
  };


  /*
   * Return a new Decimal whose value is the cosine of the value in radians of this Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-1, 1]
   *
   * cos(0)         = 1
   * cos(-0)        = 1
   * cos(Infinity)  = NaN
   * cos(-Infinity) = NaN
   * cos(NaN)       = NaN
   *
   */
  P.cosine = P.cos = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (!x.d) return new Ctor(NaN);

    // cos(0) = cos(-0) = 1
    if (!x.d[0]) return new Ctor(1);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE;
    Ctor.rounding = 1;

    x = cosine(Ctor, toLessThanHalfPi(Ctor, x));

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return finalise(quadrant == 2 || quadrant == 3 ? x.neg() : x, pr, rm, true);
  };


  /*
   *
   * Return a new Decimal whose value is the cube root of the value of this Decimal, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   *  cbrt(0)  =  0
   *  cbrt(-0) = -0
   *  cbrt(1)  =  1
   *  cbrt(-1) = -1
   *  cbrt(N)  =  N
   *  cbrt(-I) = -I
   *  cbrt(I)  =  I
   *
   * Math.cbrt(x) = (x < 0 ? -Math.pow(-x, 1/3) : Math.pow(x, 1/3))
   *
   */
  P.cubeRoot = P.cbrt = function () {
    var e, m, n, r, rep, s, sd, t, t3, t3plusx,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite() || x.isZero()) return new Ctor(x);
    external = false;

    // Initial estimate.
    s = x.s * mathpow(x.s * x, 1 / 3);

     // Math.cbrt underflow/overflow?
     // Pass x to Math.pow as integer, then adjust the exponent of the result.
    if (!s || Math.abs(s) == 1 / 0) {
      n = digitsToString(x.d);
      e = x.e;

      // Adjust n exponent so it is a multiple of 3 away from x exponent.
      if (s = (e - n.length + 1) % 3) n += (s == 1 || s == -2 ? '0' : '00');
      s = mathpow(n, 1 / 3);

      // Rarely, e may be one less than the result exponent value.
      e = mathfloor((e + 1) / 3) - (e % 3 == (e < 0 ? -1 : 2));

      if (s == 1 / 0) {
        n = '5e' + e;
      } else {
        n = s.toExponential();
        n = n.slice(0, n.indexOf('e') + 1) + e;
      }

      r = new Ctor(n);
      r.s = x.s;
    } else {
      r = new Ctor(s.toString());
    }

    sd = (e = Ctor.precision) + 3;

    // Halley's method.
    // TODO? Compare Newton's method.
    for (;;) {
      t = r;
      t3 = t.times(t).times(t);
      t3plusx = t3.plus(x);
      r = divide(t3plusx.plus(x).times(t), t3plusx.plus(t3), sd + 2, 1);

      // TODO? Replace with for-loop and checkRoundingDigits.
      if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) {
        n = n.slice(sd - 3, sd + 1);

        // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or 4999
        // , i.e. approaching a rounding boundary, continue the iteration.
        if (n == '9999' || !rep && n == '4999') {

          // On the first iteration only, check to see if rounding up gives the exact result as the
          // nines may infinitely repeat.
          if (!rep) {
            finalise(t, e + 1, 0);

            if (t.times(t).times(t).eq(x)) {
              r = t;
              break;
            }
          }

          sd += 4;
          rep = 1;
        } else {

          // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result.
          // If not, then there are further digits and m will be truthy.
          if (!+n || !+n.slice(1) && n.charAt(0) == '5') {

            // Truncate to the first rounding digit.
            finalise(r, e + 1, 1);
            m = !r.times(r).times(r).eq(x);
          }

          break;
        }
      }
    }

    external = true;

    return finalise(r, e, Ctor.rounding, m);
  };


  /*
   * Return the number of decimal places of the value of this Decimal.
   *
   */
  P.decimalPlaces = P.dp = function () {
    var w,
      d = this.d,
      n = NaN;

    if (d) {
      w = d.length - 1;
      n = (w - mathfloor(this.e / LOG_BASE)) * LOG_BASE;

      // Subtract the number of trailing zeros of the last word.
      w = d[w];
      if (w) for (; w % 10 == 0; w /= 10) n--;
      if (n < 0) n = 0;
    }

    return n;
  };


  /*
   *  n / 0 = I
   *  n / N = N
   *  n / I = 0
   *  0 / n = 0
   *  0 / 0 = N
   *  0 / N = N
   *  0 / I = 0
   *  N / n = N
   *  N / 0 = N
   *  N / N = N
   *  N / I = N
   *  I / n = I
   *  I / 0 = I
   *  I / N = N
   *  I / I = N
   *
   * Return a new Decimal whose value is the value of this Decimal divided by `y`, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   */
  P.dividedBy = P.div = function (y) {
    return divide(this, new this.constructor(y));
  };


  /*
   * Return a new Decimal whose value is the integer part of dividing the value of this Decimal
   * by the value of `y`, rounded to `precision` significant digits using rounding mode `rounding`.
   *
   */
  P.dividedToIntegerBy = P.divToInt = function (y) {
    var x = this,
      Ctor = x.constructor;
    return finalise(divide(x, new Ctor(y), 0, 1, 1), Ctor.precision, Ctor.rounding);
  };


  /*
   * Return true if the value of this Decimal is equal to the value of `y`, otherwise return false.
   *
   */
  P.equals = P.eq = function (y) {
    return this.cmp(y) === 0;
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the
   * direction of negative Infinity.
   *
   */
  P.floor = function () {
    return finalise(new this.constructor(this), this.e + 1, 3);
  };


  /*
   * Return true if the value of this Decimal is greater than the value of `y`, otherwise return
   * false.
   *
   */
  P.greaterThan = P.gt = function (y) {
    return this.cmp(y) > 0;
  };


  /*
   * Return true if the value of this Decimal is greater than or equal to the value of `y`,
   * otherwise return false.
   *
   */
  P.greaterThanOrEqualTo = P.gte = function (y) {
    var k = this.cmp(y);
    return k == 1 || k === 0;
  };


  /*
   * Return a new Decimal whose value is the hyperbolic cosine of the value in radians of this
   * Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [1, Infinity]
   *
   * cosh(x) = 1 + x^2/2! + x^4/4! + x^6/6! + ...
   *
   * cosh(0)         = 1
   * cosh(-0)        = 1
   * cosh(Infinity)  = Infinity
   * cosh(-Infinity) = Infinity
   * cosh(NaN)       = NaN
   *
   *  x        time taken (ms)   result
   * 1000      9                 9.8503555700852349694e+433
   * 10000     25                4.4034091128314607936e+4342
   * 100000    171               1.4033316802130615897e+43429
   * 1000000   3817              1.5166076984010437725e+434294
   * 10000000  abandoned after 2 minute wait
   *
   * TODO? Compare performance of cosh(x) = 0.5 * (exp(x) + exp(-x))
   *
   */
  P.hyperbolicCosine = P.cosh = function () {
    var k, n, pr, rm, len,
      x = this,
      Ctor = x.constructor,
      one = new Ctor(1);

    if (!x.isFinite()) return new Ctor(x.s ? 1 / 0 : NaN);
    if (x.isZero()) return one;

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + Math.max(x.e, x.sd()) + 4;
    Ctor.rounding = 1;
    len = x.d.length;

    // Argument reduction: cos(4x) = 1 - 8cos^2(x) + 8cos^4(x) + 1
    // i.e. cos(x) = 1 - cos^2(x/4)(8 - 8cos^2(x/4))

    // Estimate the optimum number of times to use the argument reduction.
    // TODO? Estimation reused from cosine() and may not be optimal here.
    if (len < 32) {
      k = Math.ceil(len / 3);
      n = (1 / tinyPow(4, k)).toString();
    } else {
      k = 16;
      n = '2.3283064365386962890625e-10';
    }

    x = taylorSeries(Ctor, 1, x.times(n), new Ctor(1), true);

    // Reverse argument reduction
    var cosh2_x,
      i = k,
      d8 = new Ctor(8);
    for (; i--;) {
      cosh2_x = x.times(x);
      x = one.minus(cosh2_x.times(d8.minus(cosh2_x.times(d8))));
    }

    return finalise(x, Ctor.precision = pr, Ctor.rounding = rm, true);
  };


  /*
   * Return a new Decimal whose value is the hyperbolic sine of the value in radians of this
   * Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-Infinity, Infinity]
   *
   * sinh(x) = x + x^3/3! + x^5/5! + x^7/7! + ...
   *
   * sinh(0)         = 0
   * sinh(-0)        = -0
   * sinh(Infinity)  = Infinity
   * sinh(-Infinity) = -Infinity
   * sinh(NaN)       = NaN
   *
   * x        time taken (ms)
   * 10       2 ms
   * 100      5 ms
   * 1000     14 ms
   * 10000    82 ms
   * 100000   886 ms            1.4033316802130615897e+43429
   * 200000   2613 ms
   * 300000   5407 ms
   * 400000   8824 ms
   * 500000   13026 ms          8.7080643612718084129e+217146
   * 1000000  48543 ms
   *
   * TODO? Compare performance of sinh(x) = 0.5 * (exp(x) - exp(-x))
   *
   */
  P.hyperbolicSine = P.sinh = function () {
    var k, pr, rm, len,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite() || x.isZero()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + Math.max(x.e, x.sd()) + 4;
    Ctor.rounding = 1;
    len = x.d.length;

    if (len < 3) {
      x = taylorSeries(Ctor, 2, x, x, true);
    } else {

      // Alternative argument reduction: sinh(3x) = sinh(x)(3 + 4sinh^2(x))
      // i.e. sinh(x) = sinh(x/3)(3 + 4sinh^2(x/3))
      // 3 multiplications and 1 addition

      // Argument reduction: sinh(5x) = sinh(x)(5 + sinh^2(x)(20 + 16sinh^2(x)))
      // i.e. sinh(x) = sinh(x/5)(5 + sinh^2(x/5)(20 + 16sinh^2(x/5)))
      // 4 multiplications and 2 additions

      // Estimate the optimum number of times to use the argument reduction.
      k = 1.4 * Math.sqrt(len);
      k = k > 16 ? 16 : k | 0;

      x = x.times(1 / tinyPow(5, k));
      x = taylorSeries(Ctor, 2, x, x, true);

      // Reverse argument reduction
      var sinh2_x,
        d5 = new Ctor(5),
        d16 = new Ctor(16),
        d20 = new Ctor(20);
      for (; k--;) {
        sinh2_x = x.times(x);
        x = x.times(d5.plus(sinh2_x.times(d16.times(sinh2_x).plus(d20))));
      }
    }

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return finalise(x, pr, rm, true);
  };


  /*
   * Return a new Decimal whose value is the hyperbolic tangent of the value in radians of this
   * Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-1, 1]
   *
   * tanh(x) = sinh(x) / cosh(x)
   *
   * tanh(0)         = 0
   * tanh(-0)        = -0
   * tanh(Infinity)  = 1
   * tanh(-Infinity) = -1
   * tanh(NaN)       = NaN
   *
   */
  P.hyperbolicTangent = P.tanh = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite()) return new Ctor(x.s);
    if (x.isZero()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + 7;
    Ctor.rounding = 1;

    return divide(x.sinh(), x.cosh(), Ctor.precision = pr, Ctor.rounding = rm);
  };


  /*
   * Return a new Decimal whose value is the arccosine (inverse cosine) in radians of the value of
   * this Decimal.
   *
   * Domain: [-1, 1]
   * Range: [0, pi]
   *
   * acos(x) = pi/2 - asin(x)
   *
   * acos(0)       = pi/2
   * acos(-0)      = pi/2
   * acos(1)       = 0
   * acos(-1)      = pi
   * acos(1/2)     = pi/3
   * acos(-1/2)    = 2*pi/3
   * acos(|x| > 1) = NaN
   * acos(NaN)     = NaN
   *
   */
  P.inverseCosine = P.acos = function () {
    var halfPi,
      x = this,
      Ctor = x.constructor,
      k = x.abs().cmp(1),
      pr = Ctor.precision,
      rm = Ctor.rounding;

    if (k !== -1) {
      return k === 0
        // |x| is 1
        ? x.isNeg() ? getPi(Ctor, pr, rm) : new Ctor(0)
        // |x| > 1 or x is NaN
        : new Ctor(NaN);
    }

    if (x.isZero()) return getPi(Ctor, pr + 4, rm).times(0.5);

    // TODO? Special case acos(0.5) = pi/3 and acos(-0.5) = 2*pi/3

    Ctor.precision = pr + 6;
    Ctor.rounding = 1;

    x = x.asin();
    halfPi = getPi(Ctor, pr + 4, rm).times(0.5);

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return halfPi.minus(x);
  };


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic cosine in radians of the
   * value of this Decimal.
   *
   * Domain: [1, Infinity]
   * Range: [0, Infinity]
   *
   * acosh(x) = ln(x + sqrt(x^2 - 1))
   *
   * acosh(x < 1)     = NaN
   * acosh(NaN)       = NaN
   * acosh(Infinity)  = Infinity
   * acosh(-Infinity) = NaN
   * acosh(0)         = NaN
   * acosh(-0)        = NaN
   * acosh(1)         = 0
   * acosh(-1)        = NaN
   *
   */
  P.inverseHyperbolicCosine = P.acosh = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (x.lte(1)) return new Ctor(x.eq(1) ? 0 : NaN);
    if (!x.isFinite()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + Math.max(Math.abs(x.e), x.sd()) + 4;
    Ctor.rounding = 1;
    external = false;

    x = x.times(x).minus(1).sqrt().plus(x);

    external = true;
    Ctor.precision = pr;
    Ctor.rounding = rm;

    return x.ln();
  };


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic sine in radians of the value
   * of this Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-Infinity, Infinity]
   *
   * asinh(x) = ln(x + sqrt(x^2 + 1))
   *
   * asinh(NaN)       = NaN
   * asinh(Infinity)  = Infinity
   * asinh(-Infinity) = -Infinity
   * asinh(0)         = 0
   * asinh(-0)        = -0
   *
   */
  P.inverseHyperbolicSine = P.asinh = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite() || x.isZero()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + 2 * Math.max(Math.abs(x.e), x.sd()) + 6;
    Ctor.rounding = 1;
    external = false;

    x = x.times(x).plus(1).sqrt().plus(x);

    external = true;
    Ctor.precision = pr;
    Ctor.rounding = rm;

    return x.ln();
  };


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic tangent in radians of the
   * value of this Decimal.
   *
   * Domain: [-1, 1]
   * Range: [-Infinity, Infinity]
   *
   * atanh(x) = 0.5 * ln((1 + x) / (1 - x))
   *
   * atanh(|x| > 1)   = NaN
   * atanh(NaN)       = NaN
   * atanh(Infinity)  = NaN
   * atanh(-Infinity) = NaN
   * atanh(0)         = 0
   * atanh(-0)        = -0
   * atanh(1)         = Infinity
   * atanh(-1)        = -Infinity
   *
   */
  P.inverseHyperbolicTangent = P.atanh = function () {
    var pr, rm, wpr, xsd,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite()) return new Ctor(NaN);
    if (x.e >= 0) return new Ctor(x.abs().eq(1) ? x.s / 0 : x.isZero() ? x : NaN);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    xsd = x.sd();

    if (Math.max(xsd, pr) < 2 * -x.e - 1) return finalise(new Ctor(x), pr, rm, true);

    Ctor.precision = wpr = xsd - x.e;

    x = divide(x.plus(1), new Ctor(1).minus(x), wpr + pr, 1);

    Ctor.precision = pr + 4;
    Ctor.rounding = 1;

    x = x.ln();

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return x.times(0.5);
  };


  /*
   * Return a new Decimal whose value is the arcsine (inverse sine) in radians of the value of this
   * Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-pi/2, pi/2]
   *
   * asin(x) = 2*atan(x/(1 + sqrt(1 - x^2)))
   *
   * asin(0)       = 0
   * asin(-0)      = -0
   * asin(1/2)     = pi/6
   * asin(-1/2)    = -pi/6
   * asin(1)       = pi/2
   * asin(-1)      = -pi/2
   * asin(|x| > 1) = NaN
   * asin(NaN)     = NaN
   *
   * TODO? Compare performance of Taylor series.
   *
   */
  P.inverseSine = P.asin = function () {
    var halfPi, k,
      pr, rm,
      x = this,
      Ctor = x.constructor;

    if (x.isZero()) return new Ctor(x);

    k = x.abs().cmp(1);
    pr = Ctor.precision;
    rm = Ctor.rounding;

    if (k !== -1) {

      // |x| is 1
      if (k === 0) {
        halfPi = getPi(Ctor, pr + 4, rm).times(0.5);
        halfPi.s = x.s;
        return halfPi;
      }

      // |x| > 1 or x is NaN
      return new Ctor(NaN);
    }

    // TODO? Special case asin(1/2) = pi/6 and asin(-1/2) = -pi/6

    Ctor.precision = pr + 6;
    Ctor.rounding = 1;

    x = x.div(new Ctor(1).minus(x.times(x)).sqrt().plus(1)).atan();

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return x.times(2);
  };


  /*
   * Return a new Decimal whose value is the arctangent (inverse tangent) in radians of the value
   * of this Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-pi/2, pi/2]
   *
   * atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ...
   *
   * atan(0)         = 0
   * atan(-0)        = -0
   * atan(1)         = pi/4
   * atan(-1)        = -pi/4
   * atan(Infinity)  = pi/2
   * atan(-Infinity) = -pi/2
   * atan(NaN)       = NaN
   *
   */
  P.inverseTangent = P.atan = function () {
    var i, j, k, n, px, t, r, wpr, x2,
      x = this,
      Ctor = x.constructor,
      pr = Ctor.precision,
      rm = Ctor.rounding;

    if (!x.isFinite()) {
      if (!x.s) return new Ctor(NaN);
      if (pr + 4 <= PI_PRECISION) {
        r = getPi(Ctor, pr + 4, rm).times(0.5);
        r.s = x.s;
        return r;
      }
    } else if (x.isZero()) {
      return new Ctor(x);
    } else if (x.abs().eq(1) && pr + 4 <= PI_PRECISION) {
      r = getPi(Ctor, pr + 4, rm).times(0.25);
      r.s = x.s;
      return r;
    }

    Ctor.precision = wpr = pr + 10;
    Ctor.rounding = 1;

    // TODO? if (x >= 1 && pr <= PI_PRECISION) atan(x) = halfPi * x.s - atan(1 / x);

    // Argument reduction
    // Ensure |x| < 0.42
    // atan(x) = 2 * atan(x / (1 + sqrt(1 + x^2)))

    k = Math.min(28, wpr / LOG_BASE + 2 | 0);

    for (i = k; i; --i) x = x.div(x.times(x).plus(1).sqrt().plus(1));

    external = false;

    j = Math.ceil(wpr / LOG_BASE);
    n = 1;
    x2 = x.times(x);
    r = new Ctor(x);
    px = x;

    // atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ...
    for (; i !== -1;) {
      px = px.times(x2);
      t = r.minus(px.div(n += 2));

      px = px.times(x2);
      r = t.plus(px.div(n += 2));

      if (r.d[j] !== void 0) for (i = j; r.d[i] === t.d[i] && i--;);
    }

    if (k) r = r.times(2 << (k - 1));

    external = true;

    return finalise(r, Ctor.precision = pr, Ctor.rounding = rm, true);
  };


  /*
   * Return true if the value of this Decimal is a finite number, otherwise return false.
   *
   */
  P.isFinite = function () {
    return !!this.d;
  };


  /*
   * Return true if the value of this Decimal is an integer, otherwise return false.
   *
   */
  P.isInteger = P.isInt = function () {
    return !!this.d && mathfloor(this.e / LOG_BASE) > this.d.length - 2;
  };


  /*
   * Return true if the value of this Decimal is NaN, otherwise return false.
   *
   */
  P.isNaN = function () {
    return !this.s;
  };


  /*
   * Return true if the value of this Decimal is negative, otherwise return false.
   *
   */
  P.isNegative = P.isNeg = function () {
    return this.s < 0;
  };


  /*
   * Return true if the value of this Decimal is positive, otherwise return false.
   *
   */
  P.isPositive = P.isPos = function () {
    return this.s > 0;
  };


  /*
   * Return true if the value of this Decimal is 0 or -0, otherwise return false.
   *
   */
  P.isZero = function () {
    return !!this.d && this.d[0] === 0;
  };


  /*
   * Return true if the value of this Decimal is less than `y`, otherwise return false.
   *
   */
  P.lessThan = P.lt = function (y) {
    return this.cmp(y) < 0;
  };


  /*
   * Return true if the value of this Decimal is less than or equal to `y`, otherwise return false.
   *
   */
  P.lessThanOrEqualTo = P.lte = function (y) {
    return this.cmp(y) < 1;
  };


  /*
   * Return the logarithm of the value of this Decimal to the specified base, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * If no base is specified, return log[10](arg).
   *
   * log[base](arg) = ln(arg) / ln(base)
   *
   * The result will always be correctly rounded if the base of the log is 10, and 'almost always'
   * otherwise:
   *
   * Depending on the rounding mode, the result may be incorrectly rounded if the first fifteen
   * rounding digits are [49]99999999999999 or [50]00000000000000. In that case, the maximum error
   * between the result and the correctly rounded result will be one ulp (unit in the last place).
   *
   * log[-b](a)       = NaN
   * log[0](a)        = NaN
   * log[1](a)        = NaN
   * log[NaN](a)      = NaN
   * log[Infinity](a) = NaN
   * log[b](0)        = -Infinity
   * log[b](-0)       = -Infinity
   * log[b](-a)       = NaN
   * log[b](1)        = 0
   * log[b](Infinity) = Infinity
   * log[b](NaN)      = NaN
   *
   * [base] {number|string|Decimal} The base of the logarithm.
   *
   */
  P.logarithm = P.log = function (base) {
    var isBase10, d, denominator, k, inf, num, sd, r,
      arg = this,
      Ctor = arg.constructor,
      pr = Ctor.precision,
      rm = Ctor.rounding,
      guard = 5;

    // Default base is 10.
    if (base == null) {
      base = new Ctor(10);
      isBase10 = true;
    } else {
      base = new Ctor(base);
      d = base.d;

      // Return NaN if base is negative, or non-finite, or is 0 or 1.
      if (base.s < 0 || !d || !d[0] || base.eq(1)) return new Ctor(NaN);

      isBase10 = base.eq(10);
    }

    d = arg.d;

    // Is arg negative, non-finite, 0 or 1?
    if (arg.s < 0 || !d || !d[0] || arg.eq(1)) {
      return new Ctor(d && !d[0] ? -1 / 0 : arg.s != 1 ? NaN : d ? 0 : 1 / 0);
    }

    // The result will have a non-terminating decimal expansion if base is 10 and arg is not an
    // integer power of 10.
    if (isBase10) {
      if (d.length > 1) {
        inf = true;
      } else {
        for (k = d[0]; k % 10 === 0;) k /= 10;
        inf = k !== 1;
      }
    }

    external = false;
    sd = pr + guard;
    num = naturalLogarithm(arg, sd);
    denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd);

    // The result will have 5 rounding digits.
    r = divide(num, denominator, sd, 1);

    // If at a rounding boundary, i.e. the result's rounding digits are [49]9999 or [50]0000,
    // calculate 10 further digits.
    //
    // If the result is known to have an infinite decimal expansion, repeat this until it is clear
    // that the result is above or below the boundary. Otherwise, if after calculating the 10
    // further digits, the last 14 are nines, round up and assume the result is exact.
    // Also assume the result is exact if the last 14 are zero.
    //
    // Example of a result that will be incorrectly rounded:
    // log[1048576](4503599627370502) = 2.60000000000000009610279511444746...
    // The above result correctly rounded using ROUND_CEIL to 1 decimal place should be 2.7, but it
    // will be given as 2.6 as there are 15 zeros immediately after the requested decimal place, so
    // the exact result would be assumed to be 2.6, which rounded using ROUND_CEIL to 1 decimal
    // place is still 2.6.
    if (checkRoundingDigits(r.d, k = pr, rm)) {

      do {
        sd += 10;
        num = naturalLogarithm(arg, sd);
        denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd);
        r = divide(num, denominator, sd, 1);

        if (!inf) {

          // Check for 14 nines from the 2nd rounding digit, as the first may be 4.
          if (+digitsToString(r.d).slice(k + 1, k + 15) + 1 == 1e14) {
            r = finalise(r, pr + 1, 0);
          }

          break;
        }
      } while (checkRoundingDigits(r.d, k += 10, rm));
    }

    external = true;

    return finalise(r, pr, rm);
  };


  /*
   * Return a new Decimal whose value is the maximum of the arguments and the value of this Decimal.
   *
   * arguments {number|string|Decimal}
   *
  P.max = function () {
    Array.prototype.push.call(arguments, this);
    return maxOrMin(this.constructor, arguments, 'lt');
  };
   */


  /*
   * Return a new Decimal whose value is the minimum of the arguments and the value of this Decimal.
   *
   * arguments {number|string|Decimal}
   *
  P.min = function () {
    Array.prototype.push.call(arguments, this);
    return maxOrMin(this.constructor, arguments, 'gt');
  };
   */


  /*
   *  n - 0 = n
   *  n - N = N
   *  n - I = -I
   *  0 - n = -n
   *  0 - 0 = 0
   *  0 - N = N
   *  0 - I = -I
   *  N - n = N
   *  N - 0 = N
   *  N - N = N
   *  N - I = N
   *  I - n = I
   *  I - 0 = I
   *  I - N = N
   *  I - I = N
   *
   * Return a new Decimal whose value is the value of this Decimal minus `y`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   */
  P.minus = P.sub = function (y) {
    var d, e, i, j, k, len, pr, rm, xd, xe, xLTy, yd,
      x = this,
      Ctor = x.constructor;

    y = new Ctor(y);

    // If either is not finite...
    if (!x.d || !y.d) {

      // Return NaN if either is NaN.
      if (!x.s || !y.s) y = new Ctor(NaN);

      // Return y negated if x is finite and y is ±Infinity.
      else if (x.d) y.s = -y.s;

      // Return x if y is finite and x is ±Infinity.
      // Return x if both are ±Infinity with different signs.
      // Return NaN if both are ±Infinity with the same sign.
      else y = new Ctor(y.d || x.s !== y.s ? x : NaN);

      return y;
    }

    // If signs differ...
    if (x.s != y.s) {
      y.s = -y.s;
      return x.plus(y);
    }

    xd = x.d;
    yd = y.d;
    pr = Ctor.precision;
    rm = Ctor.rounding;

    // If either is zero...
    if (!xd[0] || !yd[0]) {

      // Return y negated if x is zero and y is non-zero.
      if (yd[0]) y.s = -y.s;

      // Return x if y is zero and x is non-zero.
      else if (xd[0]) y = new Ctor(x);

      // Return zero if both are zero.
      // From IEEE 754 (2008) 6.3: 0 - 0 = -0 - -0 = -0 when rounding to -Infinity.
      else return new Ctor(rm === 3 ? -0 : 0);

      return external ? finalise(y, pr, rm) : y;
    }

    // x and y are finite, non-zero numbers with the same sign.

    // Calculate base 1e7 exponents.
    e = mathfloor(y.e / LOG_BASE);
    xe = mathfloor(x.e / LOG_BASE);

    xd = xd.slice();
    k = xe - e;

    // If base 1e7 exponents differ...
    if (k) {
      xLTy = k < 0;

      if (xLTy) {
        d = xd;
        k = -k;
        len = yd.length;
      } else {
        d = yd;
        e = xe;
        len = xd.length;
      }

      // Numbers with massively different exponents would result in a very high number of
      // zeros needing to be prepended, but this can be avoided while still ensuring correct
      // rounding by limiting the number of zeros to `Math.ceil(pr / LOG_BASE) + 2`.
      i = Math.max(Math.ceil(pr / LOG_BASE), len) + 2;

      if (k > i) {
        k = i;
        d.length = 1;
      }

      // Prepend zeros to equalise exponents.
      d.reverse();
      for (i = k; i--;) d.push(0);
      d.reverse();

    // Base 1e7 exponents equal.
    } else {

      // Check digits to determine which is the bigger number.

      i = xd.length;
      len = yd.length;
      xLTy = i < len;
      if (xLTy) len = i;

      for (i = 0; i < len; i++) {
        if (xd[i] != yd[i]) {
          xLTy = xd[i] < yd[i];
          break;
        }
      }

      k = 0;
    }

    if (xLTy) {
      d = xd;
      xd = yd;
      yd = d;
      y.s = -y.s;
    }

    len = xd.length;

    // Append zeros to `xd` if shorter.
    // Don't add zeros to `yd` if shorter as subtraction only needs to start at `yd` length.
    for (i = yd.length - len; i > 0; --i) xd[len++] = 0;

    // Subtract yd from xd.
    for (i = yd.length; i > k;) {

      if (xd[--i] < yd[i]) {
        for (j = i; j && xd[--j] === 0;) xd[j] = BASE - 1;
        --xd[j];
        xd[i] += BASE;
      }

      xd[i] -= yd[i];
    }

    // Remove trailing zeros.
    for (; xd[--len] === 0;) xd.pop();

    // Remove leading zeros and adjust exponent accordingly.
    for (; xd[0] === 0; xd.shift()) --e;

    // Zero?
    if (!xd[0]) return new Ctor(rm === 3 ? -0 : 0);

    y.d = xd;
    y.e = getBase10Exponent(xd, e);

    return external ? finalise(y, pr, rm) : y;
  };


  /*
   *   n % 0 =  N
   *   n % N =  N
   *   n % I =  n
   *   0 % n =  0
   *  -0 % n = -0
   *   0 % 0 =  N
   *   0 % N =  N
   *   0 % I =  0
   *   N % n =  N
   *   N % 0 =  N
   *   N % N =  N
   *   N % I =  N
   *   I % n =  N
   *   I % 0 =  N
   *   I % N =  N
   *   I % I =  N
   *
   * Return a new Decimal whose value is the value of this Decimal modulo `y`, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   * The result depends on the modulo mode.
   *
   */
  P.modulo = P.mod = function (y) {
    var q,
      x = this,
      Ctor = x.constructor;

    y = new Ctor(y);

    // Return NaN if x is ±Infinity or NaN, or y is NaN or ±0.
    if (!x.d || !y.s || y.d && !y.d[0]) return new Ctor(NaN);

    // Return x if y is ±Infinity or x is ±0.
    if (!y.d || x.d && !x.d[0]) {
      return finalise(new Ctor(x), Ctor.precision, Ctor.rounding);
    }

    // Prevent rounding of intermediate calculations.
    external = false;

    if (Ctor.modulo == 9) {

      // Euclidian division: q = sign(y) * floor(x / abs(y))
      // result = x - q * y    where  0 <= result < abs(y)
      q = divide(x, y.abs(), 0, 3, 1);
      q.s *= y.s;
    } else {
      q = divide(x, y, 0, Ctor.modulo, 1);
    }

    q = q.times(y);

    external = true;

    return x.minus(q);
  };


  /*
   * Return a new Decimal whose value is the natural exponential of the value of this Decimal,
   * i.e. the base e raised to the power the value of this Decimal, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   */
  P.naturalExponential = P.exp = function () {
    return naturalExponential(this);
  };


  /*
   * Return a new Decimal whose value is the natural logarithm of the value of this Decimal,
   * rounded to `precision` significant digits using rounding mode `rounding`.
   *
   */
  P.naturalLogarithm = P.ln = function () {
    return naturalLogarithm(this);
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal negated, i.e. as if multiplied by
   * -1.
   *
   */
  P.negated = P.neg = function () {
    var x = new this.constructor(this);
    x.s = -x.s;
    return finalise(x);
  };


  /*
   *  n + 0 = n
   *  n + N = N
   *  n + I = I
   *  0 + n = n
   *  0 + 0 = 0
   *  0 + N = N
   *  0 + I = I
   *  N + n = N
   *  N + 0 = N
   *  N + N = N
   *  N + I = N
   *  I + n = I
   *  I + 0 = I
   *  I + N = N
   *  I + I = I
   *
   * Return a new Decimal whose value is the value of this Decimal plus `y`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   */
  P.plus = P.add = function (y) {
    var carry, d, e, i, k, len, pr, rm, xd, yd,
      x = this,
      Ctor = x.constructor;

    y = new Ctor(y);

    // If either is not finite...
    if (!x.d || !y.d) {

      // Return NaN if either is NaN.
      if (!x.s || !y.s) y = new Ctor(NaN);

      // Return x if y is finite and x is ±Infinity.
      // Return x if both are ±Infinity with the same sign.
      // Return NaN if both are ±Infinity with different signs.
      // Return y if x is finite and y is ±Infinity.
      else if (!x.d) y = new Ctor(y.d || x.s === y.s ? x : NaN);

      return y;
    }

     // If signs differ...
    if (x.s != y.s) {
      y.s = -y.s;
      return x.minus(y);
    }

    xd = x.d;
    yd = y.d;
    pr = Ctor.precision;
    rm = Ctor.rounding;

    // If either is zero...
    if (!xd[0] || !yd[0]) {

      // Return x if y is zero.
      // Return y if y is non-zero.
      if (!yd[0]) y = new Ctor(x);

      return external ? finalise(y, pr, rm) : y;
    }

    // x and y are finite, non-zero numbers with the same sign.

    // Calculate base 1e7 exponents.
    k = mathfloor(x.e / LOG_BASE);
    e = mathfloor(y.e / LOG_BASE);

    xd = xd.slice();
    i = k - e;

    // If base 1e7 exponents differ...
    if (i) {

      if (i < 0) {
        d = xd;
        i = -i;
        len = yd.length;
      } else {
        d = yd;
        e = k;
        len = xd.length;
      }

      // Limit number of zeros prepended to max(ceil(pr / LOG_BASE), len) + 1.
      k = Math.ceil(pr / LOG_BASE);
      len = k > len ? k + 1 : len + 1;

      if (i > len) {
        i = len;
        d.length = 1;
      }

      // Prepend zeros to equalise exponents. Note: Faster to use reverse then do unshifts.
      d.reverse();
      for (; i--;) d.push(0);
      d.reverse();
    }

    len = xd.length;
    i = yd.length;

    // If yd is longer than xd, swap xd and yd so xd points to the longer array.
    if (len - i < 0) {
      i = len;
      d = yd;
      yd = xd;
      xd = d;
    }

    // Only start adding at yd.length - 1 as the further digits of xd can be left as they are.
    for (carry = 0; i;) {
      carry = (xd[--i] = xd[i] + yd[i] + carry) / BASE | 0;
      xd[i] %= BASE;
    }

    if (carry) {
      xd.unshift(carry);
      ++e;
    }

    // Remove trailing zeros.
    // No need to check for zero, as +x + +y != 0 && -x + -y != 0
    for (len = xd.length; xd[--len] == 0;) xd.pop();

    y.d = xd;
    y.e = getBase10Exponent(xd, e);

    return external ? finalise(y, pr, rm) : y;
  };


  /*
   * Return the number of significant digits of the value of this Decimal.
   *
   * [z] {boolean|number} Whether to count integer-part trailing zeros: true, false, 1 or 0.
   *
   */
  P.precision = P.sd = function (z) {
    var k,
      x = this;

    if (z !== void 0 && z !== !!z && z !== 1 && z !== 0) throw Error(invalidArgument + z);

    if (x.d) {
      k = getPrecision(x.d);
      if (z && x.e + 1 > k) k = x.e + 1;
    } else {
      k = NaN;
    }

    return k;
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal rounded to a whole number using
   * rounding mode `rounding`.
   *
   */
  P.round = function () {
    var x = this,
      Ctor = x.constructor;

    return finalise(new Ctor(x), x.e + 1, Ctor.rounding);
  };


  /*
   * Return a new Decimal whose value is the sine of the value in radians of this Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-1, 1]
   *
   * sin(x) = x - x^3/3! + x^5/5! - ...
   *
   * sin(0)         = 0
   * sin(-0)        = -0
   * sin(Infinity)  = NaN
   * sin(-Infinity) = NaN
   * sin(NaN)       = NaN
   *
   */
  P.sine = P.sin = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite()) return new Ctor(NaN);
    if (x.isZero()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE;
    Ctor.rounding = 1;

    x = sine(Ctor, toLessThanHalfPi(Ctor, x));

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return finalise(quadrant > 2 ? x.neg() : x, pr, rm, true);
  };


  /*
   * Return a new Decimal whose value is the square root of this Decimal, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   *  sqrt(-n) =  N
   *  sqrt(N)  =  N
   *  sqrt(-I) =  N
   *  sqrt(I)  =  I
   *  sqrt(0)  =  0
   *  sqrt(-0) = -0
   *
   */
  P.squareRoot = P.sqrt = function () {
    var m, n, sd, r, rep, t,
      x = this,
      d = x.d,
      e = x.e,
      s = x.s,
      Ctor = x.constructor;

    // Negative/NaN/Infinity/zero?
    if (s !== 1 || !d || !d[0]) {
      return new Ctor(!s || s < 0 && (!d || d[0]) ? NaN : d ? x : 1 / 0);
    }

    external = false;

    // Initial estimate.
    s = Math.sqrt(+x);

    // Math.sqrt underflow/overflow?
    // Pass x to Math.sqrt as integer, then adjust the exponent of the result.
    if (s == 0 || s == 1 / 0) {
      n = digitsToString(d);

      if ((n.length + e) % 2 == 0) n += '0';
      s = Math.sqrt(n);
      e = mathfloor((e + 1) / 2) - (e < 0 || e % 2);

      if (s == 1 / 0) {
        n = '5e' + e;
      } else {
        n = s.toExponential();
        n = n.slice(0, n.indexOf('e') + 1) + e;
      }

      r = new Ctor(n);
    } else {
      r = new Ctor(s.toString());
    }

    sd = (e = Ctor.precision) + 3;

    // Newton-Raphson iteration.
    for (;;) {
      t = r;
      r = t.plus(divide(x, t, sd + 2, 1)).times(0.5);

      // TODO? Replace with for-loop and checkRoundingDigits.
      if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) {
        n = n.slice(sd - 3, sd + 1);

        // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or
        // 4999, i.e. approaching a rounding boundary, continue the iteration.
        if (n == '9999' || !rep && n == '4999') {

          // On the first iteration only, check to see if rounding up gives the exact result as the
          // nines may infinitely repeat.
          if (!rep) {
            finalise(t, e + 1, 0);

            if (t.times(t).eq(x)) {
              r = t;
              break;
            }
          }

          sd += 4;
          rep = 1;
        } else {

          // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result.
          // If not, then there are further digits and m will be truthy.
          if (!+n || !+n.slice(1) && n.charAt(0) == '5') {

            // Truncate to the first rounding digit.
            finalise(r, e + 1, 1);
            m = !r.times(r).eq(x);
          }

          break;
        }
      }
    }

    external = true;

    return finalise(r, e, Ctor.rounding, m);
  };


  /*
   * Return a new Decimal whose value is the tangent of the value in radians of this Decimal.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-Infinity, Infinity]
   *
   * tan(0)         = 0
   * tan(-0)        = -0
   * tan(Infinity)  = NaN
   * tan(-Infinity) = NaN
   * tan(NaN)       = NaN
   *
   */
  P.tangent = P.tan = function () {
    var pr, rm,
      x = this,
      Ctor = x.constructor;

    if (!x.isFinite()) return new Ctor(NaN);
    if (x.isZero()) return new Ctor(x);

    pr = Ctor.precision;
    rm = Ctor.rounding;
    Ctor.precision = pr + 10;
    Ctor.rounding = 1;

    x = x.sin();
    x.s = 1;
    x = divide(x, new Ctor(1).minus(x.times(x)).sqrt(), pr + 10, 0);

    Ctor.precision = pr;
    Ctor.rounding = rm;

    return finalise(quadrant == 2 || quadrant == 4 ? x.neg() : x, pr, rm, true);
  };


  /*
   *  n * 0 = 0
   *  n * N = N
   *  n * I = I
   *  0 * n = 0
   *  0 * 0 = 0
   *  0 * N = N
   *  0 * I = N
   *  N * n = N
   *  N * 0 = N
   *  N * N = N
   *  N * I = N
   *  I * n = I
   *  I * 0 = N
   *  I * N = N
   *  I * I = I
   *
   * Return a new Decimal whose value is this Decimal times `y`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   */
  P.times = P.mul = function (y) {
    var carry, e, i, k, r, rL, t, xdL, ydL,
      x = this,
      Ctor = x.constructor,
      xd = x.d,
      yd = (y = new Ctor(y)).d;

    y.s *= x.s;

     // If either is NaN, ±Infinity or ±0...
    if (!xd || !xd[0] || !yd || !yd[0]) {

      return new Ctor(!y.s || xd && !xd[0] && !yd || yd && !yd[0] && !xd

        // Return NaN if either is NaN.
        // Return NaN if x is ±0 and y is ±Infinity, or y is ±0 and x is ±Infinity.
        ? NaN

        // Return ±Infinity if either is ±Infinity.
        // Return ±0 if either is ±0.
        : !xd || !yd ? y.s / 0 : y.s * 0);
    }

    e = mathfloor(x.e / LOG_BASE) + mathfloor(y.e / LOG_BASE);
    xdL = xd.length;
    ydL = yd.length;

    // Ensure xd points to the longer array.
    if (xdL < ydL) {
      r = xd;
      xd = yd;
      yd = r;
      rL = xdL;
      xdL = ydL;
      ydL = rL;
    }

    // Initialise the result array with zeros.
    r = [];
    rL = xdL + ydL;
    for (i = rL; i--;) r.push(0);

    // Multiply!
    for (i = ydL; --i >= 0;) {
      carry = 0;
      for (k = xdL + i; k > i;) {
        t = r[k] + yd[i] * xd[k - i - 1] + carry;
        r[k--] = t % BASE | 0;
        carry = t / BASE | 0;
      }

      r[k] = (r[k] + carry) % BASE | 0;
    }

    // Remove trailing zeros.
    for (; !r[--rL];) r.pop();

    if (carry) ++e;
    else r.shift();

    y.d = r;
    y.e = getBase10Exponent(r, e);

    return external ? finalise(y, Ctor.precision, Ctor.rounding) : y;
  };


  /*
   * Return a string representing the value of this Decimal in base 2, round to `sd` significant
   * digits using rounding mode `rm`.
   *
   * If the optional `sd` argument is present then return binary exponential notation.
   *
   * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toBinary = function (sd, rm) {
    return toStringBinary(this, 2, sd, rm);
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `dp`
   * decimal places using rounding mode `rm` or `rounding` if `rm` is omitted.
   *
   * If `dp` is omitted, return a new Decimal whose value is the value of this Decimal.
   *
   * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toDecimalPlaces = P.toDP = function (dp, rm) {
    var x = this,
      Ctor = x.constructor;

    x = new Ctor(x);
    if (dp === void 0) return x;

    checkInt32(dp, 0, MAX_DIGITS);

    if (rm === void 0) rm = Ctor.rounding;
    else checkInt32(rm, 0, 8);

    return finalise(x, dp + x.e + 1, rm);
  };


  /*
   * Return a string representing the value of this Decimal in exponential notation rounded to
   * `dp` fixed decimal places using rounding mode `rounding`.
   *
   * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toExponential = function (dp, rm) {
    var str,
      x = this,
      Ctor = x.constructor;

    if (dp === void 0) {
      str = finiteToString(x, true);
    } else {
      checkInt32(dp, 0, MAX_DIGITS);

      if (rm === void 0) rm = Ctor.rounding;
      else checkInt32(rm, 0, 8);

      x = finalise(new Ctor(x), dp + 1, rm);
      str = finiteToString(x, true, dp + 1);
    }

    return x.isNeg() && !x.isZero() ? '-' + str : str;
  };


  /*
   * Return a string representing the value of this Decimal in normal (fixed-point) notation to
   * `dp` fixed decimal places and rounded using rounding mode `rm` or `rounding` if `rm` is
   * omitted.
   *
   * As with JavaScript numbers, (-0).toFixed(0) is '0', but e.g. (-0.00001).toFixed(0) is '-0'.
   *
   * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'.
   * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
   * (-0).toFixed(3) is '0.000'.
   * (-0.5).toFixed(0) is '-0'.
   *
   */
  P.toFixed = function (dp, rm) {
    var str, y,
      x = this,
      Ctor = x.constructor;

    if (dp === void 0) {
      str = finiteToString(x);
    } else {
      checkInt32(dp, 0, MAX_DIGITS);

      if (rm === void 0) rm = Ctor.rounding;
      else checkInt32(rm, 0, 8);

      y = finalise(new Ctor(x), dp + x.e + 1, rm);
      str = finiteToString(y, false, dp + y.e + 1);
    }

    // To determine whether to add the minus sign look at the value before it was rounded,
    // i.e. look at `x` rather than `y`.
    return x.isNeg() && !x.isZero() ? '-' + str : str;
  };


  /*
   * Return an array representing the value of this Decimal as a simple fraction with an integer
   * numerator and an integer denominator.
   *
   * The denominator will be a positive non-zero value less than or equal to the specified maximum
   * denominator. If a maximum denominator is not specified, the denominator will be the lowest
   * value necessary to represent the number exactly.
   *
   * [maxD] {number|string|Decimal} Maximum denominator. Integer >= 1 and < Infinity.
   *
   */
  P.toFraction = function (maxD) {
    var d, d0, d1, d2, e, k, n, n0, n1, pr, q, r,
      x = this,
      xd = x.d,
      Ctor = x.constructor;

    if (!xd) return new Ctor(x);

    n1 = d0 = new Ctor(1);
    d1 = n0 = new Ctor(0);

    d = new Ctor(d1);
    e = d.e = getPrecision(xd) - x.e - 1;
    k = e % LOG_BASE;
    d.d[0] = mathpow(10, k < 0 ? LOG_BASE + k : k);

    if (maxD == null) {

      // d is 10**e, the minimum max-denominator needed.
      maxD = e > 0 ? d : n1;
    } else {
      n = new Ctor(maxD);
      if (!n.isInt() || n.lt(n1)) throw Error(invalidArgument + n);
      maxD = n.gt(d) ? (e > 0 ? d : n1) : n;
    }

    external = false;
    n = new Ctor(digitsToString(xd));
    pr = Ctor.precision;
    Ctor.precision = e = xd.length * LOG_BASE * 2;

    for (;;)  {
      q = divide(n, d, 0, 1, 1);
      d2 = d0.plus(q.times(d1));
      if (d2.cmp(maxD) == 1) break;
      d0 = d1;
      d1 = d2;
      d2 = n1;
      n1 = n0.plus(q.times(d2));
      n0 = d2;
      d2 = d;
      d = n.minus(q.times(d2));
      n = d2;
    }

    d2 = divide(maxD.minus(d0), d1, 0, 1, 1);
    n0 = n0.plus(d2.times(n1));
    d0 = d0.plus(d2.times(d1));
    n0.s = n1.s = x.s;

    // Determine which fraction is closer to x, n0/d0 or n1/d1?
    r = divide(n1, d1, e, 1).minus(x).abs().cmp(divide(n0, d0, e, 1).minus(x).abs()) < 1
        ? [n1, d1] : [n0, d0];

    Ctor.precision = pr;
    external = true;

    return r;
  };


  /*
   * Return a string representing the value of this Decimal in base 16, round to `sd` significant
   * digits using rounding mode `rm`.
   *
   * If the optional `sd` argument is present then return binary exponential notation.
   *
   * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toHexadecimal = P.toHex = function (sd, rm) {
    return toStringBinary(this, 16, sd, rm);
  };


  /*
   * Returns a new Decimal whose value is the nearest multiple of `y` in the direction of rounding
   * mode `rm`, or `Decimal.rounding` if `rm` is omitted, to the value of this Decimal.
   *
   * The return value will always have the same sign as this Decimal, unless either this Decimal
   * or `y` is NaN, in which case the return value will be also be NaN.
   *
   * The return value is not affected by the value of `precision`.
   *
   * y {number|string|Decimal} The magnitude to round to a multiple of.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   * 'toNearest() rounding mode not an integer: {rm}'
   * 'toNearest() rounding mode out of range: {rm}'
   *
   */
  P.toNearest = function (y, rm) {
    var x = this,
      Ctor = x.constructor;

    x = new Ctor(x);

    if (y == null) {

      // If x is not finite, return x.
      if (!x.d) return x;

      y = new Ctor(1);
      rm = Ctor.rounding;
    } else {
      y = new Ctor(y);
      if (rm === void 0) {
        rm = Ctor.rounding;
      } else {
        checkInt32(rm, 0, 8);
      }

      // If x is not finite, return x if y is not NaN, else NaN.
      if (!x.d) return y.s ? x : y;

      // If y is not finite, return Infinity with the sign of x if y is Infinity, else NaN.
      if (!y.d) {
        if (y.s) y.s = x.s;
        return y;
      }
    }

    // If y is not zero, calculate the nearest multiple of y to x.
    if (y.d[0]) {
      external = false;
      x = divide(x, y, 0, rm, 1).times(y);
      external = true;
      finalise(x);

    // If y is zero, return zero with the sign of x.
    } else {
      y.s = x.s;
      x = y;
    }

    return x;
  };


  /*
   * Return the value of this Decimal converted to a number primitive.
   * Zero keeps its sign.
   *
   */
  P.toNumber = function () {
    return +this;
  };


  /*
   * Return a string representing the value of this Decimal in base 8, round to `sd` significant
   * digits using rounding mode `rm`.
   *
   * If the optional `sd` argument is present then return binary exponential notation.
   *
   * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toOctal = function (sd, rm) {
    return toStringBinary(this, 8, sd, rm);
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal raised to the power `y`, rounded
   * to `precision` significant digits using rounding mode `rounding`.
   *
   * ECMAScript compliant.
   *
   *   pow(x, NaN)                           = NaN
   *   pow(x, ±0)                            = 1

   *   pow(NaN, non-zero)                    = NaN
   *   pow(abs(x) > 1, +Infinity)            = +Infinity
   *   pow(abs(x) > 1, -Infinity)            = +0
   *   pow(abs(x) == 1, ±Infinity)           = NaN
   *   pow(abs(x) < 1, +Infinity)            = +0
   *   pow(abs(x) < 1, -Infinity)            = +Infinity
   *   pow(+Infinity, y > 0)                 = +Infinity
   *   pow(+Infinity, y < 0)                 = +0
   *   pow(-Infinity, odd integer > 0)       = -Infinity
   *   pow(-Infinity, even integer > 0)      = +Infinity
   *   pow(-Infinity, odd integer < 0)       = -0
   *   pow(-Infinity, even integer < 0)      = +0
   *   pow(+0, y > 0)                        = +0
   *   pow(+0, y < 0)                        = +Infinity
   *   pow(-0, odd integer > 0)              = -0
   *   pow(-0, even integer > 0)             = +0
   *   pow(-0, odd integer < 0)              = -Infinity
   *   pow(-0, even integer < 0)             = +Infinity
   *   pow(finite x < 0, finite non-integer) = NaN
   *
   * For non-integer or very large exponents pow(x, y) is calculated using
   *
   *   x^y = exp(y*ln(x))
   *
   * Assuming the first 15 rounding digits are each equally likely to be any digit 0-9, the
   * probability of an incorrectly rounded result
   * P([49]9{14} | [50]0{14}) = 2 * 0.2 * 10^-14 = 4e-15 = 1/2.5e+14
   * i.e. 1 in 250,000,000,000,000
   *
   * If a result is incorrectly rounded the maximum error will be 1 ulp (unit in last place).
   *
   * y {number|string|Decimal} The power to which to raise this Decimal.
   *
   */
  P.toPower = P.pow = function (y) {
    var e, k, pr, r, rm, s,
      x = this,
      Ctor = x.constructor,
      yn = +(y = new Ctor(y));

    // Either ±Infinity, NaN or ±0?
    if (!x.d || !y.d || !x.d[0] || !y.d[0]) return new Ctor(mathpow(+x, yn));

    x = new Ctor(x);

    if (x.eq(1)) return x;

    pr = Ctor.precision;
    rm = Ctor.rounding;

    if (y.eq(1)) return finalise(x, pr, rm);

    // y exponent
    e = mathfloor(y.e / LOG_BASE);

    // If y is a small integer use the 'exponentiation by squaring' algorithm.
    if (e >= y.d.length - 1 && (k = yn < 0 ? -yn : yn) <= MAX_SAFE_INTEGER) {
      r = intPow(Ctor, x, k, pr);
      return y.s < 0 ? new Ctor(1).div(r) : finalise(r, pr, rm);
    }

    s = x.s;

    // if x is negative
    if (s < 0) {

      // if y is not an integer
      if (e < y.d.length - 1) return new Ctor(NaN);

      // Result is positive if x is negative and the last digit of integer y is even.
      if ((y.d[e] & 1) == 0) s = 1;

      // if x.eq(-1)
      if (x.e == 0 && x.d[0] == 1 && x.d.length == 1) {
        x.s = s;
        return x;
      }
    }

    // Estimate result exponent.
    // x^y = 10^e,  where e = y * log10(x)
    // log10(x) = log10(x_significand) + x_exponent
    // log10(x_significand) = ln(x_significand) / ln(10)
    k = mathpow(+x, yn);
    e = k == 0 || !isFinite(k)
      ? mathfloor(yn * (Math.log('0.' + digitsToString(x.d)) / Math.LN10 + x.e + 1))
      : new Ctor(k + '').e;

    // Exponent estimate may be incorrect e.g. x: 0.999999999999999999, y: 2.29, e: 0, r.e: -1.

    // Overflow/underflow?
    if (e > Ctor.maxE + 1 || e < Ctor.minE - 1) return new Ctor(e > 0 ? s / 0 : 0);

    external = false;
    Ctor.rounding = x.s = 1;

    // Estimate the extra guard digits needed to ensure five correct rounding digits from
    // naturalLogarithm(x). Example of failure without these extra digits (precision: 10):
    // new Decimal(2.32456).pow('2087987436534566.46411')
    // should be 1.162377823e+764914905173815, but is 1.162355823e+764914905173815
    k = Math.min(12, (e + '').length);

    // r = x^y = exp(y*ln(x))
    r = naturalExponential(y.times(naturalLogarithm(x, pr + k)), pr);

    // r may be Infinity, e.g. (0.9999999999999999).pow(-1e+40)
    if (r.d) {

      // Truncate to the required precision plus five rounding digits.
      r = finalise(r, pr + 5, 1);

      // If the rounding digits are [49]9999 or [50]0000 increase the precision by 10 and recalculate
      // the result.
      if (checkRoundingDigits(r.d, pr, rm)) {
        e = pr + 10;

        // Truncate to the increased precision plus five rounding digits.
        r = finalise(naturalExponential(y.times(naturalLogarithm(x, e + k)), e), e + 5, 1);

        // Check for 14 nines from the 2nd rounding digit (the first rounding digit may be 4 or 9).
        if (+digitsToString(r.d).slice(pr + 1, pr + 15) + 1 == 1e14) {
          r = finalise(r, pr + 1, 0);
        }
      }
    }

    r.s = s;
    external = true;
    Ctor.rounding = rm;

    return finalise(r, pr, rm);
  };


  /*
   * Return a string representing the value of this Decimal rounded to `sd` significant digits
   * using rounding mode `rounding`.
   *
   * Return exponential notation if `sd` is less than the number of digits necessary to represent
   * the integer part of the value in normal notation.
   *
   * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   */
  P.toPrecision = function (sd, rm) {
    var str,
      x = this,
      Ctor = x.constructor;

    if (sd === void 0) {
      str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos);
    } else {
      checkInt32(sd, 1, MAX_DIGITS);

      if (rm === void 0) rm = Ctor.rounding;
      else checkInt32(rm, 0, 8);

      x = finalise(new Ctor(x), sd, rm);
      str = finiteToString(x, sd <= x.e || x.e <= Ctor.toExpNeg, sd);
    }

    return x.isNeg() && !x.isZero() ? '-' + str : str;
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `sd`
   * significant digits using rounding mode `rm`, or to `precision` and `rounding` respectively if
   * omitted.
   *
   * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive.
   * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
   *
   * 'toSD() digits out of range: {sd}'
   * 'toSD() digits not an integer: {sd}'
   * 'toSD() rounding mode not an integer: {rm}'
   * 'toSD() rounding mode out of range: {rm}'
   *
   */
  P.toSignificantDigits = P.toSD = function (sd, rm) {
    var x = this,
      Ctor = x.constructor;

    if (sd === void 0) {
      sd = Ctor.precision;
      rm = Ctor.rounding;
    } else {
      checkInt32(sd, 1, MAX_DIGITS);

      if (rm === void 0) rm = Ctor.rounding;
      else checkInt32(rm, 0, 8);
    }

    return finalise(new Ctor(x), sd, rm);
  };


  /*
   * Return a string representing the value of this Decimal.
   *
   * Return exponential notation if this Decimal has a positive exponent equal to or greater than
   * `toExpPos`, or a negative exponent equal to or less than `toExpNeg`.
   *
   */
  P.toString = function () {
    var x = this,
      Ctor = x.constructor,
      str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos);

    return x.isNeg() && !x.isZero() ? '-' + str : str;
  };


  /*
   * Return a new Decimal whose value is the value of this Decimal truncated to a whole number.
   *
   */
  P.truncated = P.trunc = function () {
    return finalise(new this.constructor(this), this.e + 1, 1);
  };


  /*
   * Return a string representing the value of this Decimal.
   * Unlike `toString`, negative zero will include the minus sign.
   *
   */
  P.valueOf = P.toJSON = function () {
    var x = this,
      Ctor = x.constructor,
      str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos);

    return x.isNeg() ? '-' + str : str;
  };


  // Helper functions for Decimal.prototype (P) and/or Decimal methods, and their callers.


  /*
   *  digitsToString           P.cubeRoot, P.logarithm, P.squareRoot, P.toFraction, P.toPower,
   *                           finiteToString, naturalExponential, naturalLogarithm
   *  checkInt32               P.toDecimalPlaces, P.toExponential, P.toFixed, P.toNearest,
   *                           P.toPrecision, P.toSignificantDigits, toStringBinary, random
   *  checkRoundingDigits      P.logarithm, P.toPower, naturalExponential, naturalLogarithm
   *  convertBase              toStringBinary, parseOther
   *  cos                      P.cos
   *  divide                   P.atanh, P.cubeRoot, P.dividedBy, P.dividedToIntegerBy,
   *                           P.logarithm, P.modulo, P.squareRoot, P.tan, P.tanh, P.toFraction,
   *                           P.toNearest, toStringBinary, naturalExponential, naturalLogarithm,
   *                           taylorSeries, atan2, parseOther
   *  finalise                 P.absoluteValue, P.atan, P.atanh, P.ceil, P.cos, P.cosh,
   *                           P.cubeRoot, P.dividedToIntegerBy, P.floor, P.logarithm, P.minus,
   *                           P.modulo, P.negated, P.plus, P.round, P.sin, P.sinh, P.squareRoot,
   *                           P.tan, P.times, P.toDecimalPlaces, P.toExponential, P.toFixed,
   *                           P.toNearest, P.toPower, P.toPrecision, P.toSignificantDigits,
   *                           P.truncated, divide, getLn10, getPi, naturalExponential,
   *                           naturalLogarithm, ceil, floor, round, trunc
   *  finiteToString           P.toExponential, P.toFixed, P.toPrecision, P.toString, P.valueOf,
   *                           toStringBinary
   *  getBase10Exponent        P.minus, P.plus, P.times, parseOther
   *  getLn10                  P.logarithm, naturalLogarithm
   *  getPi                    P.acos, P.asin, P.atan, toLessThanHalfPi, atan2
   *  getPrecision             P.precision, P.toFraction
   *  getZeroString            digitsToString, finiteToString
   *  intPow                   P.toPower, parseOther
   *  isOdd                    toLessThanHalfPi
   *  maxOrMin                 max, min
   *  naturalExponential       P.naturalExponential, P.toPower
   *  naturalLogarithm         P.acosh, P.asinh, P.atanh, P.logarithm, P.naturalLogarithm,
   *                           P.toPower, naturalExponential
   *  nonFiniteToString        finiteToString, toStringBinary
   *  parseDecimal             Decimal
   *  parseOther               Decimal
   *  sin                      P.sin
   *  taylorSeries             P.cosh, P.sinh, cos, sin
   *  toLessThanHalfPi         P.cos, P.sin
   *  toStringBinary           P.toBinary, P.toHexadecimal, P.toOctal
   *  truncate                 intPow
   *
   *  Throws:                  P.logarithm, P.precision, P.toFraction, checkInt32, getLn10, getPi,
   *                           naturalLogarithm, config, parseOther, random, Decimal
   */


  function digitsToString(d) {
    var i, k, ws,
      indexOfLastWord = d.length - 1,
      str = '',
      w = d[0];

    if (indexOfLastWord > 0) {
      str += w;
      for (i = 1; i < indexOfLastWord; i++) {
        ws = d[i] + '';
        k = LOG_BASE - ws.length;
        if (k) str += getZeroString(k);
        str += ws;
      }

      w = d[i];
      ws = w + '';
      k = LOG_BASE - ws.length;
      if (k) str += getZeroString(k);
    } else if (w === 0) {
      return '0';
    }

    // Remove trailing zeros of last w.
    for (; w % 10 === 0;) w /= 10;

    return str + w;
  }


  function checkInt32(i, min, max) {
    if (i !== ~~i || i < min || i > max) {
      throw Error(invalidArgument + i);
    }
  }


  /*
   * Check 5 rounding digits if `repeating` is null, 4 otherwise.
   * `repeating == null` if caller is `log` or `pow`,
   * `repeating != null` if caller is `naturalLogarithm` or `naturalExponential`.
   */
  function checkRoundingDigits(d, i, rm, repeating) {
    var di, k, r, rd;

    // Get the length of the first word of the array d.
    for (k = d[0]; k >= 10; k /= 10) --i;

    // Is the rounding digit in the first word of d?
    if (--i < 0) {
      i += LOG_BASE;
      di = 0;
    } else {
      di = Math.ceil((i + 1) / LOG_BASE);
      i %= LOG_BASE;
    }

    // i is the index (0 - 6) of the rounding digit.
    // E.g. if within the word 3487563 the first rounding digit is 5,
    // then i = 4, k = 1000, rd = 3487563 % 1000 = 563
    k = mathpow(10, LOG_BASE - i);
    rd = d[di] % k | 0;

    if (repeating == null) {
      if (i < 3) {
        if (i == 0) rd = rd / 100 | 0;
        else if (i == 1) rd = rd / 10 | 0;
        r = rm < 4 && rd == 99999 || rm > 3 && rd == 49999 || rd == 50000 || rd == 0;
      } else {
        r = (rm < 4 && rd + 1 == k || rm > 3 && rd + 1 == k / 2) &&
          (d[di + 1] / k / 100 | 0) == mathpow(10, i - 2) - 1 ||
            (rd == k / 2 || rd == 0) && (d[di + 1] / k / 100 | 0) == 0;
      }
    } else {
      if (i < 4) {
        if (i == 0) rd = rd / 1000 | 0;
        else if (i == 1) rd = rd / 100 | 0;
        else if (i == 2) rd = rd / 10 | 0;
        r = (repeating || rm < 4) && rd == 9999 || !repeating && rm > 3 && rd == 4999;
      } else {
        r = ((repeating || rm < 4) && rd + 1 == k ||
        (!repeating && rm > 3) && rd + 1 == k / 2) &&
          (d[di + 1] / k / 1000 | 0) == mathpow(10, i - 3) - 1;
      }
    }

    return r;
  }


  // Convert string of `baseIn` to an array of numbers of `baseOut`.
  // Eg. convertBase('255', 10, 16) returns [15, 15].
  // Eg. convertBase('ff', 16, 10) returns [2, 5, 5].
  function convertBase(str, baseIn, baseOut) {
    var j,
      arr = [0],
      arrL,
      i = 0,
      strL = str.length;

    for (; i < strL;) {
      for (arrL = arr.length; arrL--;) arr[arrL] *= baseIn;
      arr[0] += NUMERALS.indexOf(str.charAt(i++));
      for (j = 0; j < arr.length; j++) {
        if (arr[j] > baseOut - 1) {
          if (arr[j + 1] === void 0) arr[j + 1] = 0;
          arr[j + 1] += arr[j] / baseOut | 0;
          arr[j] %= baseOut;
        }
      }
    }

    return arr.reverse();
  }


  /*
   * cos(x) = 1 - x^2/2! + x^4/4! - ...
   * |x| < pi/2
   *
   */
  function cosine(Ctor, x) {
    var k, len, y;

    if (x.isZero()) return x;

    // Argument reduction: cos(4x) = 8*(cos^4(x) - cos^2(x)) + 1
    // i.e. cos(x) = 8*(cos^4(x/4) - cos^2(x/4)) + 1

    // Estimate the optimum number of times to use the argument reduction.
    len = x.d.length;
    if (len < 32) {
      k = Math.ceil(len / 3);
      y = (1 / tinyPow(4, k)).toString();
    } else {
      k = 16;
      y = '2.3283064365386962890625e-10';
    }

    Ctor.precision += k;

    x = taylorSeries(Ctor, 1, x.times(y), new Ctor(1));

    // Reverse argument reduction
    for (var i = k; i--;) {
      var cos2x = x.times(x);
      x = cos2x.times(cos2x).minus(cos2x).times(8).plus(1);
    }

    Ctor.precision -= k;

    return x;
  }


  /*
   * Perform division in the specified base.
   */
  var divide = (function () {

    // Assumes non-zero x and k, and hence non-zero result.
    function multiplyInteger(x, k, base) {
      var temp,
        carry = 0,
        i = x.length;

      for (x = x.slice(); i--;) {
        temp = x[i] * k + carry;
        x[i] = temp % base | 0;
        carry = temp / base | 0;
      }

      if (carry) x.unshift(carry);

      return x;
    }

    function compare(a, b, aL, bL) {
      var i, r;

      if (aL != bL) {
        r = aL > bL ? 1 : -1;
      } else {
        for (i = r = 0; i < aL; i++) {
          if (a[i] != b[i]) {
            r = a[i] > b[i] ? 1 : -1;
            break;
          }
        }
      }

      return r;
    }

    function subtract(a, b, aL, base) {
      var i = 0;

      // Subtract b from a.
      for (; aL--;) {
        a[aL] -= i;
        i = a[aL] < b[aL] ? 1 : 0;
        a[aL] = i * base + a[aL] - b[aL];
      }

      // Remove leading zeros.
      for (; !a[0] && a.length > 1;) a.shift();
    }

    return function (x, y, pr, rm, dp, base) {
      var cmp, e, i, k, logBase, more, prod, prodL, q, qd, rem, remL, rem0, sd, t, xi, xL, yd0,
        yL, yz,
        Ctor = x.constructor,
        sign = x.s == y.s ? 1 : -1,
        xd = x.d,
        yd = y.d;

      // Either NaN, Infinity or 0?
      if (!xd || !xd[0] || !yd || !yd[0]) {

        return new Ctor(// Return NaN if either NaN, or both Infinity or 0.
          !x.s || !y.s || (xd ? yd && xd[0] == yd[0] : !yd) ? NaN :

          // Return ±0 if x is 0 or y is ±Infinity, or return ±Infinity as y is 0.
          xd && xd[0] == 0 || !yd ? sign * 0 : sign / 0);
      }

      if (base) {
        logBase = 1;
        e = x.e - y.e;
      } else {
        base = BASE;
        logBase = LOG_BASE;
        e = mathfloor(x.e / logBase) - mathfloor(y.e / logBase);
      }

      yL = yd.length;
      xL = xd.length;
      q = new Ctor(sign);
      qd = q.d = [];

      // Result exponent may be one less than e.
      // The digit array of a Decimal from toStringBinary may have trailing zeros.
      for (i = 0; yd[i] == (xd[i] || 0); i++);

      if (yd[i] > (xd[i] || 0)) e--;

      if (pr == null) {
        sd = pr = Ctor.precision;
        rm = Ctor.rounding;
      } else if (dp) {
        sd = pr + (x.e - y.e) + 1;
      } else {
        sd = pr;
      }

      if (sd < 0) {
        qd.push(1);
        more = true;
      } else {

        // Convert precision in number of base 10 digits to base 1e7 digits.
        sd = sd / logBase + 2 | 0;
        i = 0;

        // divisor < 1e7
        if (yL == 1) {
          k = 0;
          yd = yd[0];
          sd++;

          // k is the carry.
          for (; (i < xL || k) && sd--; i++) {
            t = k * base + (xd[i] || 0);
            qd[i] = t / yd | 0;
            k = t % yd | 0;
          }

          more = k || i < xL;

        // divisor >= 1e7
        } else {

          // Normalise xd and yd so highest order digit of yd is >= base/2
          k = base / (yd[0] + 1) | 0;

          if (k > 1) {
            yd = multiplyInteger(yd, k, base);
            xd = multiplyInteger(xd, k, base);
            yL = yd.length;
            xL = xd.length;
          }

          xi = yL;
          rem = xd.slice(0, yL);
          remL = rem.length;

          // Add zeros to make remainder as long as divisor.
          for (; remL < yL;) rem[remL++] = 0;

          yz = yd.slice();
          yz.unshift(0);
          yd0 = yd[0];

          if (yd[1] >= base / 2) ++yd0;

          do {
            k = 0;

            // Compare divisor and remainder.
            cmp = compare(yd, rem, yL, remL);

            // If divisor < remainder.
            if (cmp < 0) {

              // Calculate trial digit, k.
              rem0 = rem[0];
              if (yL != remL) rem0 = rem0 * base + (rem[1] || 0);

              // k will be how many times the divisor goes into the current remainder.
              k = rem0 / yd0 | 0;

              //  Algorithm:
              //  1. product = divisor * trial digit (k)
              //  2. if product > remainder: product -= divisor, k--
              //  3. remainder -= product
              //  4. if product was < remainder at 2:
              //    5. compare new remainder and divisor
              //    6. If remainder > divisor: remainder -= divisor, k++

              if (k > 1) {
                if (k >= base) k = base - 1;

                // product = divisor * trial digit.
                prod = multiplyInteger(yd, k, base);
                prodL = prod.length;
                remL = rem.length;

                // Compare product and remainder.
                cmp = compare(prod, rem, prodL, remL);

                // product > remainder.
                if (cmp == 1) {
                  k--;

                  // Subtract divisor from product.
                  subtract(prod, yL < prodL ? yz : yd, prodL, base);
                }
              } else {

                // cmp is -1.
                // If k is 0, there is no need to compare yd and rem again below, so change cmp to 1
                // to avoid it. If k is 1 there is a need to compare yd and rem again below.
                if (k == 0) cmp = k = 1;
                prod = yd.slice();
              }

              prodL = prod.length;
              if (prodL < remL) prod.unshift(0);

              // Subtract product from remainder.
              subtract(rem, prod, remL, base);

              // If product was < previous remainder.
              if (cmp == -1) {
                remL = rem.length;

                // Compare divisor and new remainder.
                cmp = compare(yd, rem, yL, remL);

                // If divisor < new remainder, subtract divisor from remainder.
                if (cmp < 1) {
                  k++;

                  // Subtract divisor from remainder.
                  subtract(rem, yL < remL ? yz : yd, remL, base);
                }
              }

              remL = rem.length;
            } else if (cmp === 0) {
              k++;
              rem = [0];
            }    // if cmp === 1, k will be 0

            // Add the next digit, k, to the result array.
            qd[i++] = k;

            // Update the remainder.
            if (cmp && rem[0]) {
              rem[remL++] = xd[xi] || 0;
            } else {
              rem = [xd[xi]];
              remL = 1;
            }

          } while ((xi++ < xL || rem[0] !== void 0) && sd--);

          more = rem[0] !== void 0;
        }

        // Leading zero?
        if (!qd[0]) qd.shift();
      }

      // logBase is 1 when divide is being used for base conversion.
      if (logBase == 1) {
        q.e = e;
        inexact = more;
      } else {

        // To calculate q.e, first get the number of digits of qd[0].
        for (i = 1, k = qd[0]; k >= 10; k /= 10) i++;
        q.e = i + e * logBase - 1;

        finalise(q, dp ? pr + q.e + 1 : pr, rm, more);
      }

      return q;
    };
  })();


  /*
   * Round `x` to `sd` significant digits using rounding mode `rm`.
   * Check for over/under-flow.
   */
   function finalise(x, sd, rm, isTruncated) {
    var digits, i, j, k, rd, roundUp, w, xd, xdi,
      Ctor = x.constructor;

    // Don't round if sd is null or undefined.
    out: if (sd != null) {
      xd = x.d;

      // Infinity/NaN.
      if (!xd) return x;

      // rd: the rounding digit, i.e. the digit after the digit that may be rounded up.
      // w: the word of xd containing rd, a base 1e7 number.
      // xdi: the index of w within xd.
      // digits: the number of digits of w.
      // i: what would be the index of rd within w if all the numbers were 7 digits long (i.e. if
      // they had leading zeros)
      // j: if > 0, the actual index of rd within w (if < 0, rd is a leading zero).

      // Get the length of the first word of the digits array xd.
      for (digits = 1, k = xd[0]; k >= 10; k /= 10) digits++;
      i = sd - digits;

      // Is the rounding digit in the first word of xd?
      if (i < 0) {
        i += LOG_BASE;
        j = sd;
        w = xd[xdi = 0];

        // Get the rounding digit at index j of w.
        rd = w / mathpow(10, digits - j - 1) % 10 | 0;
      } else {
        xdi = Math.ceil((i + 1) / LOG_BASE);
        k = xd.length;
        if (xdi >= k) {
          if (isTruncated) {

            // Needed by `naturalExponential`, `naturalLogarithm` and `squareRoot`.
            for (; k++ <= xdi;) xd.push(0);
            w = rd = 0;
            digits = 1;
            i %= LOG_BASE;
            j = i - LOG_BASE + 1;
          } else {
            break out;
          }
        } else {
          w = k = xd[xdi];

          // Get the number of digits of w.
          for (digits = 1; k >= 10; k /= 10) digits++;

          // Get the index of rd within w.
          i %= LOG_BASE;

          // Get the index of rd within w, adjusted for leading zeros.
          // The number of leading zeros of w is given by LOG_BASE - digits.
          j = i - LOG_BASE + digits;

          // Get the rounding digit at index j of w.
          rd = j < 0 ? 0 : w / mathpow(10, digits - j - 1) % 10 | 0;
        }
      }

      // Are there any non-zero digits after the rounding digit?
      isTruncated = isTruncated || sd < 0 ||
        xd[xdi + 1] !== void 0 || (j < 0 ? w : w % mathpow(10, digits - j - 1));

      // The expression `w % mathpow(10, digits - j - 1)` returns all the digits of w to the right
      // of the digit at (left-to-right) index j, e.g. if w is 908714 and j is 2, the expression
      // will give 714.

      roundUp = rm < 4
        ? (rd || isTruncated) && (rm == 0 || rm == (x.s < 0 ? 3 : 2))
        : rd > 5 || rd == 5 && (rm == 4 || isTruncated || rm == 6 &&

          // Check whether the digit to the left of the rounding digit is odd.
          ((i > 0 ? j > 0 ? w / mathpow(10, digits - j) : 0 : xd[xdi - 1]) % 10) & 1 ||
            rm == (x.s < 0 ? 8 : 7));

      if (sd < 1 || !xd[0]) {
        xd.length = 0;
        if (roundUp) {

          // Convert sd to decimal places.
          sd -= x.e + 1;

          // 1, 0.1, 0.01, 0.001, 0.0001 etc.
          xd[0] = mathpow(10, (LOG_BASE - sd % LOG_BASE) % LOG_BASE);
          x.e = -sd || 0;
        } else {

          // Zero.
          xd[0] = x.e = 0;
        }

        return x;
      }

      // Remove excess digits.
      if (i == 0) {
        xd.length = xdi;
        k = 1;
        xdi--;
      } else {
        xd.length = xdi + 1;
        k = mathpow(10, LOG_BASE - i);

        // E.g. 56700 becomes 56000 if 7 is the rounding digit.
        // j > 0 means i > number of leading zeros of w.
        xd[xdi] = j > 0 ? (w / mathpow(10, digits - j) % mathpow(10, j) | 0) * k : 0;
      }

      if (roundUp) {
        for (;;) {

          // Is the digit to be rounded up in the first word of xd?
          if (xdi == 0) {

            // i will be the length of xd[0] before k is added.
            for (i = 1, j = xd[0]; j >= 10; j /= 10) i++;
            j = xd[0] += k;
            for (k = 1; j >= 10; j /= 10) k++;

            // if i != k the length has increased.
            if (i != k) {
              x.e++;
              if (xd[0] == BASE) xd[0] = 1;
            }

            break;
          } else {
            xd[xdi] += k;
            if (xd[xdi] != BASE) break;
            xd[xdi--] = 0;
            k = 1;
          }
        }
      }

      // Remove trailing zeros.
      for (i = xd.length; xd[--i] === 0;) xd.pop();
    }

    if (external) {

      // Overflow?
      if (x.e > Ctor.maxE) {

        // Infinity.
        x.d = null;
        x.e = NaN;

      // Underflow?
      } else if (x.e < Ctor.minE) {

        // Zero.
        x.e = 0;
        x.d = [0];
        // Ctor.underflow = true;
      } // else Ctor.underflow = false;
    }

    return x;
  }


  function finiteToString(x, isExp, sd) {
    if (!x.isFinite()) return nonFiniteToString(x);
    var k,
      e = x.e,
      str = digitsToString(x.d),
      len = str.length;

    if (isExp) {
      if (sd && (k = sd - len) > 0) {
        str = str.charAt(0) + '.' + str.slice(1) + getZeroString(k);
      } else if (len > 1) {
        str = str.charAt(0) + '.' + str.slice(1);
      }

      str = str + (x.e < 0 ? 'e' : 'e+') + x.e;
    } else if (e < 0) {
      str = '0.' + getZeroString(-e - 1) + str;
      if (sd && (k = sd - len) > 0) str += getZeroString(k);
    } else if (e >= len) {
      str += getZeroString(e + 1 - len);
      if (sd && (k = sd - e - 1) > 0) str = str + '.' + getZeroString(k);
    } else {
      if ((k = e + 1) < len) str = str.slice(0, k) + '.' + str.slice(k);
      if (sd && (k = sd - len) > 0) {
        if (e + 1 === len) str += '.';
        str += getZeroString(k);
      }
    }

    return str;
  }


  // Calculate the base 10 exponent from the base 1e7 exponent.
  function getBase10Exponent(digits, e) {
    var w = digits[0];

    // Add the number of digits of the first word of the digits array.
    for ( e *= LOG_BASE; w >= 10; w /= 10) e++;
    return e;
  }


  function getLn10(Ctor, sd, pr) {
    if (sd > LN10_PRECISION) {

      // Reset global state in case the exception is caught.
      external = true;
      if (pr) Ctor.precision = pr;
      throw Error(precisionLimitExceeded);
    }
    return finalise(new Ctor(LN10), sd, 1, true);
  }


  function getPi(Ctor, sd, rm) {
    if (sd > PI_PRECISION) throw Error(precisionLimitExceeded);
    return finalise(new Ctor(PI), sd, rm, true);
  }


  function getPrecision(digits) {
    var w = digits.length - 1,
      len = w * LOG_BASE + 1;

    w = digits[w];

    // If non-zero...
    if (w) {

      // Subtract the number of trailing zeros of the last word.
      for (; w % 10 == 0; w /= 10) len--;

      // Add the number of digits of the first word.
      for (w = digits[0]; w >= 10; w /= 10) len++;
    }

    return len;
  }


  function getZeroString(k) {
    var zs = '';
    for (; k--;) zs += '0';
    return zs;
  }


  /*
   * Return a new Decimal whose value is the value of Decimal `x` to the power `n`, where `n` is an
   * integer of type number.
   *
   * Implements 'exponentiation by squaring'. Called by `pow` and `parseOther`.
   *
   */
  function intPow(Ctor, x, n, pr) {
    var isTruncated,
      r = new Ctor(1),

      // Max n of 9007199254740991 takes 53 loop iterations.
      // Maximum digits array length; leaves [28, 34] guard digits.
      k = Math.ceil(pr / LOG_BASE + 4);

    external = false;

    for (;;) {
      if (n % 2) {
        r = r.times(x);
        if (truncate(r.d, k)) isTruncated = true;
      }

      n = mathfloor(n / 2);
      if (n === 0) {

        // To ensure correct rounding when r.d is truncated, increment the last word if it is zero.
        n = r.d.length - 1;
        if (isTruncated && r.d[n] === 0) ++r.d[n];
        break;
      }

      x = x.times(x);
      truncate(x.d, k);
    }

    external = true;

    return r;
  }


  function isOdd(n) {
    return n.d[n.d.length - 1] & 1;
  }


  /*
   * Handle `max` and `min`. `ltgt` is 'lt' or 'gt'.
   */
  function maxOrMin(Ctor, args, ltgt) {
    var y,
      x = new Ctor(args[0]),
      i = 0;

    for (; ++i < args.length;) {
      y = new Ctor(args[i]);
      if (!y.s) {
        x = y;
        break;
      } else if (x[ltgt](y)) {
        x = y;
      }
    }

    return x;
  }


  /*
   * Return a new Decimal whose value is the natural exponential of `x` rounded to `sd` significant
   * digits.
   *
   * Taylor/Maclaurin series.
   *
   * exp(x) = x^0/0! + x^1/1! + x^2/2! + x^3/3! + ...
   *
   * Argument reduction:
   *   Repeat x = x / 32, k += 5, until |x| < 0.1
   *   exp(x) = exp(x / 2^k)^(2^k)
   *
   * Previously, the argument was initially reduced by
   * exp(x) = exp(r) * 10^k  where r = x - k * ln10, k = floor(x / ln10)
   * to first put r in the range [0, ln10], before dividing by 32 until |x| < 0.1, but this was
   * found to be slower than just dividing repeatedly by 32 as above.
   *
   * Max integer argument: exp('20723265836946413') = 6.3e+9000000000000000
   * Min integer argument: exp('-20723265836946411') = 1.2e-9000000000000000
   * (Math object integer min/max: Math.exp(709) = 8.2e+307, Math.exp(-745) = 5e-324)
   *
   *  exp(Infinity)  = Infinity
   *  exp(-Infinity) = 0
   *  exp(NaN)       = NaN
   *  exp(±0)        = 1
   *
   *  exp(x) is non-terminating for any finite, non-zero x.
   *
   *  The result will always be correctly rounded.
   *
   */
  function naturalExponential(x, sd) {
    var denominator, guard, j, pow, sum, t, wpr,
      rep = 0,
      i = 0,
      k = 0,
      Ctor = x.constructor,
      rm = Ctor.rounding,
      pr = Ctor.precision;

    // 0/NaN/Infinity?
    if (!x.d || !x.d[0] || x.e > 17) {

      return new Ctor(x.d
        ? !x.d[0] ? 1 : x.s < 0 ? 0 : 1 / 0
        : x.s ? x.s < 0 ? 0 : x : 0 / 0);
    }

    if (sd == null) {
      external = false;
      wpr = pr;
    } else {
      wpr = sd;
    }

    t = new Ctor(0.03125);

    // while abs(x) >= 0.1
    while (x.e > -2) {

      // x = x / 2^5
      x = x.times(t);
      k += 5;
    }

    // Use 2 * log10(2^k) + 5 (empirically derived) to estimate the increase in precision
    // necessary to ensure the first 4 rounding digits are correct.
    guard = Math.log(mathpow(2, k)) / Math.LN10 * 2 + 5 | 0;
    wpr += guard;
    denominator = pow = sum = new Ctor(1);
    Ctor.precision = wpr;

    for (;;) {
      pow = finalise(pow.times(x), wpr, 1);
      denominator = denominator.times(++i);
      t = sum.plus(divide(pow, denominator, wpr, 1));

      if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) {
        j = k;
        while (j--) sum = finalise(sum.times(sum), wpr, 1);

        // Check to see if the first 4 rounding digits are [49]999.
        // If so, repeat the summation with a higher precision, otherwise
        // e.g. with precision: 18, rounding: 1
        // exp(18.404272462595034083567793919843761) = 98372560.1229999999 (should be 98372560.123)
        // `wpr - guard` is the index of first rounding digit.
        if (sd == null) {

          if (rep < 3 && checkRoundingDigits(sum.d, wpr - guard, rm, rep)) {
            Ctor.precision = wpr += 10;
            denominator = pow = t = new Ctor(1);
            i = 0;
            rep++;
          } else {
            return finalise(sum, Ctor.precision = pr, rm, external = true);
          }
        } else {
          Ctor.precision = pr;
          return sum;
        }
      }

      sum = t;
    }
  }


  /*
   * Return a new Decimal whose value is the natural logarithm of `x` rounded to `sd` significant
   * digits.
   *
   *  ln(-n)        = NaN
   *  ln(0)         = -Infinity
   *  ln(-0)        = -Infinity
   *  ln(1)         = 0
   *  ln(Infinity)  = Infinity
   *  ln(-Infinity) = NaN
   *  ln(NaN)       = NaN
   *
   *  ln(n) (n != 1) is non-terminating.
   *
   */
  function naturalLogarithm(y, sd) {
    var c, c0, denominator, e, numerator, rep, sum, t, wpr, x1, x2,
      n = 1,
      guard = 10,
      x = y,
      xd = x.d,
      Ctor = x.constructor,
      rm = Ctor.rounding,
      pr = Ctor.precision;

    // Is x negative or Infinity, NaN, 0 or 1?
    if (x.s < 0 || !xd || !xd[0] || !x.e && xd[0] == 1 && xd.length == 1) {
      return new Ctor(xd && !xd[0] ? -1 / 0 : x.s != 1 ? NaN : xd ? 0 : x);
    }

    if (sd == null) {
      external = false;
      wpr = pr;
    } else {
      wpr = sd;
    }

    Ctor.precision = wpr += guard;
    c = digitsToString(xd);
    c0 = c.charAt(0);

    if (Math.abs(e = x.e) < 1.5e15) {

      // Argument reduction.
      // The series converges faster the closer the argument is to 1, so using
      // ln(a^b) = b * ln(a),   ln(a) = ln(a^b) / b
      // multiply the argument by itself until the leading digits of the significand are 7, 8, 9,
      // 10, 11, 12 or 13, recording the number of multiplications so the sum of the series can
      // later be divided by this number, then separate out the power of 10 using
      // ln(a*10^b) = ln(a) + b*ln(10).

      // max n is 21 (gives 0.9, 1.0 or 1.1) (9e15 / 21 = 4.2e14).
      //while (c0 < 9 && c0 != 1 || c0 == 1 && c.charAt(1) > 1) {
      // max n is 6 (gives 0.7 - 1.3)
      while (c0 < 7 && c0 != 1 || c0 == 1 && c.charAt(1) > 3) {
        x = x.times(y);
        c = digitsToString(x.d);
        c0 = c.charAt(0);
        n++;
      }

      e = x.e;

      if (c0 > 1) {
        x = new Ctor('0.' + c);
        e++;
      } else {
        x = new Ctor(c0 + '.' + c.slice(1));
      }
    } else {

      // The argument reduction method above may result in overflow if the argument y is a massive
      // number with exponent >= 1500000000000000 (9e15 / 6 = 1.5e15), so instead recall this
      // function using ln(x*10^e) = ln(x) + e*ln(10).
      t = getLn10(Ctor, wpr + 2, pr).times(e + '');
      x = naturalLogarithm(new Ctor(c0 + '.' + c.slice(1)), wpr - guard).plus(t);
      Ctor.precision = pr;

      return sd == null ? finalise(x, pr, rm, external = true) : x;
    }

    // x1 is x reduced to a value near 1.
    x1 = x;

    // Taylor series.
    // ln(y) = ln((1 + x)/(1 - x)) = 2(x + x^3/3 + x^5/5 + x^7/7 + ...)
    // where x = (y - 1)/(y + 1)    (|x| < 1)
    sum = numerator = x = divide(x.minus(1), x.plus(1), wpr, 1);
    x2 = finalise(x.times(x), wpr, 1);
    denominator = 3;

    for (;;) {
      numerator = finalise(numerator.times(x2), wpr, 1);
      t = sum.plus(divide(numerator, new Ctor(denominator), wpr, 1));

      if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) {
        sum = sum.times(2);

        // Reverse the argument reduction. Check that e is not 0 because, besides preventing an
        // unnecessary calculation, -0 + 0 = +0 and to ensure correct rounding -0 needs to stay -0.
        if (e !== 0) sum = sum.plus(getLn10(Ctor, wpr + 2, pr).times(e + ''));
        sum = divide(sum, new Ctor(n), wpr, 1);

        // Is rm > 3 and the first 4 rounding digits 4999, or rm < 4 (or the summation has
        // been repeated previously) and the first 4 rounding digits 9999?
        // If so, restart the summation with a higher precision, otherwise
        // e.g. with precision: 12, rounding: 1
        // ln(135520028.6126091714265381533) = 18.7246299999 when it should be 18.72463.
        // `wpr - guard` is the index of first rounding digit.
        if (sd == null) {
          if (checkRoundingDigits(sum.d, wpr - guard, rm, rep)) {
            Ctor.precision = wpr += guard;
            t = numerator = x = divide(x1.minus(1), x1.plus(1), wpr, 1);
            x2 = finalise(x.times(x), wpr, 1);
            denominator = rep = 1;
          } else {
            return finalise(sum, Ctor.precision = pr, rm, external = true);
          }
        } else {
          Ctor.precision = pr;
          return sum;
        }
      }

      sum = t;
      denominator += 2;
    }
  }


  // ±Infinity, NaN.
  function nonFiniteToString(x) {
    // Unsigned.
    return String(x.s * x.s / 0);
  }


  /*
   * Parse the value of a new Decimal `x` from string `str`.
   */
  function parseDecimal(x, str) {
    var e, i, len;

    // Decimal point?
    if ((e = str.indexOf('.')) > -1) str = str.replace('.', '');

    // Exponential form?
    if ((i = str.search(/e/i)) > 0) {

      // Determine exponent.
      if (e < 0) e = i;
      e += +str.slice(i + 1);
      str = str.substring(0, i);
    } else if (e < 0) {

      // Integer.
      e = str.length;
    }

    // Determine leading zeros.
    for (i = 0; str.charCodeAt(i) === 48; i++);

    // Determine trailing zeros.
    for (len = str.length; str.charCodeAt(len - 1) === 48; --len);
    str = str.slice(i, len);

    if (str) {
      len -= i;
      x.e = e = e - i - 1;
      x.d = [];

      // Transform base

      // e is the base 10 exponent.
      // i is where to slice str to get the first word of the digits array.
      i = (e + 1) % LOG_BASE;
      if (e < 0) i += LOG_BASE;

      if (i < len) {
        if (i) x.d.push(+str.slice(0, i));
        for (len -= LOG_BASE; i < len;) x.d.push(+str.slice(i, i += LOG_BASE));
        str = str.slice(i);
        i = LOG_BASE - str.length;
      } else {
        i -= len;
      }

      for (; i--;) str += '0';
      x.d.push(+str);

      if (external) {

        // Overflow?
        if (x.e > x.constructor.maxE) {

          // Infinity.
          x.d = null;
          x.e = NaN;

        // Underflow?
        } else if (x.e < x.constructor.minE) {

          // Zero.
          x.e = 0;
          x.d = [0];
          // x.constructor.underflow = true;
        } // else x.constructor.underflow = false;
      }
    } else {

      // Zero.
      x.e = 0;
      x.d = [0];
    }

    return x;
  }


  /*
   * Parse the value of a new Decimal `x` from a string `str`, which is not a decimal value.
   */
  function parseOther(x, str) {
    var base, Ctor, divisor, i, isFloat, len, p, xd, xe;

    if (str.indexOf('_') > -1) {
      str = str.replace(/(\d)_(?=\d)/g, '$1');
      if (isDecimal.test(str)) return parseDecimal(x, str);
    } else if (str === 'Infinity' || str === 'NaN') {
      if (!+str) x.s = NaN;
      x.e = NaN;
      x.d = null;
      return x;
    }

    if (isHex.test(str))  {
      base = 16;
      str = str.toLowerCase();
    } else if (isBinary.test(str))  {
      base = 2;
    } else if (isOctal.test(str))  {
      base = 8;
    } else {
      throw Error(invalidArgument + str);
    }

    // Is there a binary exponent part?
    i = str.search(/p/i);

    if (i > 0) {
      p = +str.slice(i + 1);
      str = str.substring(2, i);
    } else {
      str = str.slice(2);
    }

    // Convert `str` as an integer then divide the result by `base` raised to a power such that the
    // fraction part will be restored.
    i = str.indexOf('.');
    isFloat = i >= 0;
    Ctor = x.constructor;

    if (isFloat) {
      str = str.replace('.', '');
      len = str.length;
      i = len - i;

      // log[10](16) = 1.2041... , log[10](88) = 1.9444....
      divisor = intPow(Ctor, new Ctor(base), i, i * 2);
    }

    xd = convertBase(str, base, BASE);
    xe = xd.length - 1;

    // Remove trailing zeros.
    for (i = xe; xd[i] === 0; --i) xd.pop();
    if (i < 0) return new Ctor(x.s * 0);
    x.e = getBase10Exponent(xd, xe);
    x.d = xd;
    external = false;

    // At what precision to perform the division to ensure exact conversion?
    // maxDecimalIntegerPartDigitCount = ceil(log[10](b) * otherBaseIntegerPartDigitCount)
    // log[10](2) = 0.30103, log[10](8) = 0.90309, log[10](16) = 1.20412
    // E.g. ceil(1.2 * 3) = 4, so up to 4 decimal digits are needed to represent 3 hex int digits.
    // maxDecimalFractionPartDigitCount = {Hex:4|Oct:3|Bin:1} * otherBaseFractionPartDigitCount
    // Therefore using 4 * the number of digits of str will always be enough.
    if (isFloat) x = divide(x, divisor, len * 4);

    // Multiply by the binary exponent part if present.
    if (p) x = x.times(Math.abs(p) < 54 ? mathpow(2, p) : Decimal.pow(2, p));
    external = true;

    return x;
  }


  /*
   * sin(x) = x - x^3/3! + x^5/5! - ...
   * |x| < pi/2
   *
   */
  function sine(Ctor, x) {
    var k,
      len = x.d.length;

    if (len < 3) {
      return x.isZero() ? x : taylorSeries(Ctor, 2, x, x);
    }

    // Argument reduction: sin(5x) = 16*sin^5(x) - 20*sin^3(x) + 5*sin(x)
    // i.e. sin(x) = 16*sin^5(x/5) - 20*sin^3(x/5) + 5*sin(x/5)
    // and  sin(x) = sin(x/5)(5 + sin^2(x/5)(16sin^2(x/5) - 20))

    // Estimate the optimum number of times to use the argument reduction.
    k = 1.4 * Math.sqrt(len);
    k = k > 16 ? 16 : k | 0;

    x = x.times(1 / tinyPow(5, k));
    x = taylorSeries(Ctor, 2, x, x);

    // Reverse argument reduction
    var sin2_x,
      d5 = new Ctor(5),
      d16 = new Ctor(16),
      d20 = new Ctor(20);
    for (; k--;) {
      sin2_x = x.times(x);
      x = x.times(d5.plus(sin2_x.times(d16.times(sin2_x).minus(d20))));
    }

    return x;
  }


  // Calculate Taylor series for `cos`, `cosh`, `sin` and `sinh`.
  function taylorSeries(Ctor, n, x, y, isHyperbolic) {
    var j, t, u, x2,
      i = 1,
      pr = Ctor.precision,
      k = Math.ceil(pr / LOG_BASE);

    external = false;
    x2 = x.times(x);
    u = new Ctor(y);

    for (;;) {
      t = divide(u.times(x2), new Ctor(n++ * n++), pr, 1);
      u = isHyperbolic ? y.plus(t) : y.minus(t);
      y = divide(t.times(x2), new Ctor(n++ * n++), pr, 1);
      t = u.plus(y);

      if (t.d[k] !== void 0) {
        for (j = k; t.d[j] === u.d[j] && j--;);
        if (j == -1) break;
      }

      j = u;
      u = y;
      y = t;
      t = j;
      i++;
    }

    external = true;
    t.d.length = k + 1;

    return t;
  }


  // Exponent e must be positive and non-zero.
  function tinyPow(b, e) {
    var n = b;
    while (--e) n *= b;
    return n;
  }


  // Return the absolute value of `x` reduced to less than or equal to half pi.
  function toLessThanHalfPi(Ctor, x) {
    var t,
      isNeg = x.s < 0,
      pi = getPi(Ctor, Ctor.precision, 1),
      halfPi = pi.times(0.5);

    x = x.abs();

    if (x.lte(halfPi)) {
      quadrant = isNeg ? 4 : 1;
      return x;
    }

    t = x.divToInt(pi);

    if (t.isZero()) {
      quadrant = isNeg ? 3 : 2;
    } else {
      x = x.minus(t.times(pi));

      // 0 <= x < pi
      if (x.lte(halfPi)) {
        quadrant = isOdd(t) ? (isNeg ? 2 : 3) : (isNeg ? 4 : 1);
        return x;
      }

      quadrant = isOdd(t) ? (isNeg ? 1 : 4) : (isNeg ? 3 : 2);
    }

    return x.minus(pi).abs();
  }


  /*
   * Return the value of Decimal `x` as a string in base `baseOut`.
   *
   * If the optional `sd` argument is present include a binary exponent suffix.
   */
  function toStringBinary(x, baseOut, sd, rm) {
    var base, e, i, k, len, roundUp, str, xd, y,
      Ctor = x.constructor,
      isExp = sd !== void 0;

    if (isExp) {
      checkInt32(sd, 1, MAX_DIGITS);
      if (rm === void 0) rm = Ctor.rounding;
      else checkInt32(rm, 0, 8);
    } else {
      sd = Ctor.precision;
      rm = Ctor.rounding;
    }

    if (!x.isFinite()) {
      str = nonFiniteToString(x);
    } else {
      str = finiteToString(x);
      i = str.indexOf('.');

      // Use exponential notation according to `toExpPos` and `toExpNeg`? No, but if required:
      // maxBinaryExponent = floor((decimalExponent + 1) * log[2](10))
      // minBinaryExponent = floor(decimalExponent * log[2](10))
      // log[2](10) = 3.321928094887362347870319429489390175864

      if (isExp) {
        base = 2;
        if (baseOut == 16) {
          sd = sd * 4 - 3;
        } else if (baseOut == 8) {
          sd = sd * 3 - 2;
        }
      } else {
        base = baseOut;
      }

      // Convert the number as an integer then divide the result by its base raised to a power such
      // that the fraction part will be restored.

      // Non-integer.
      if (i >= 0) {
        str = str.replace('.', '');
        y = new Ctor(1);
        y.e = str.length - i;
        y.d = convertBase(finiteToString(y), 10, base);
        y.e = y.d.length;
      }

      xd = convertBase(str, 10, base);
      e = len = xd.length;

      // Remove trailing zeros.
      for (; xd[--len] == 0;) xd.pop();

      if (!xd[0]) {
        str = isExp ? '0p+0' : '0';
      } else {
        if (i < 0) {
          e--;
        } else {
          x = new Ctor(x);
          x.d = xd;
          x.e = e;
          x = divide(x, y, sd, rm, 0, base);
          xd = x.d;
          e = x.e;
          roundUp = inexact;
        }

        // The rounding digit, i.e. the digit after the digit that may be rounded up.
        i = xd[sd];
        k = base / 2;
        roundUp = roundUp || xd[sd + 1] !== void 0;

        roundUp = rm < 4
          ? (i !== void 0 || roundUp) && (rm === 0 || rm === (x.s < 0 ? 3 : 2))
          : i > k || i === k && (rm === 4 || roundUp || rm === 6 && xd[sd - 1] & 1 ||
            rm === (x.s < 0 ? 8 : 7));

        xd.length = sd;

        if (roundUp) {

          // Rounding up may mean the previous digit has to be rounded up and so on.
          for (; ++xd[--sd] > base - 1;) {
            xd[sd] = 0;
            if (!sd) {
              ++e;
              xd.unshift(1);
            }
          }
        }

        // Determine trailing zeros.
        for (len = xd.length; !xd[len - 1]; --len);

        // E.g. [4, 11, 15] becomes 4bf.
        for (i = 0, str = ''; i < len; i++) str += NUMERALS.charAt(xd[i]);

        // Add binary exponent suffix?
        if (isExp) {
          if (len > 1) {
            if (baseOut == 16 || baseOut == 8) {
              i = baseOut == 16 ? 4 : 3;
              for (--len; len % i; len++) str += '0';
              xd = convertBase(str, base, baseOut);
              for (len = xd.length; !xd[len - 1]; --len);

              // xd[0] will always be be 1
              for (i = 1, str = '1.'; i < len; i++) str += NUMERALS.charAt(xd[i]);
            } else {
              str = str.charAt(0) + '.' + str.slice(1);
            }
          }

          str =  str + (e < 0 ? 'p' : 'p+') + e;
        } else if (e < 0) {
          for (; ++e;) str = '0' + str;
          str = '0.' + str;
        } else {
          if (++e > len) for (e -= len; e-- ;) str += '0';
          else if (e < len) str = str.slice(0, e) + '.' + str.slice(e);
        }
      }

      str = (baseOut == 16 ? '0x' : baseOut == 2 ? '0b' : baseOut == 8 ? '0o' : '') + str;
    }

    return x.s < 0 ? '-' + str : str;
  }


  // Does not strip trailing zeros.
  function truncate(arr, len) {
    if (arr.length > len) {
      arr.length = len;
      return true;
    }
  }


  // Decimal methods


  /*
   *  abs
   *  acos
   *  acosh
   *  add
   *  asin
   *  asinh
   *  atan
   *  atanh
   *  atan2
   *  cbrt
   *  ceil
   *  clamp
   *  clone
   *  config
   *  cos
   *  cosh
   *  div
   *  exp
   *  floor
   *  hypot
   *  ln
   *  log
   *  log2
   *  log10
   *  max
   *  min
   *  mod
   *  mul
   *  pow
   *  random
   *  round
   *  set
   *  sign
   *  sin
   *  sinh
   *  sqrt
   *  sub
   *  sum
   *  tan
   *  tanh
   *  trunc
   */


  /*
   * Return a new Decimal whose value is the absolute value of `x`.
   *
   * x {number|string|Decimal}
   *
   */
  function abs(x) {
    return new this(x).abs();
  }


  /*
   * Return a new Decimal whose value is the arccosine in radians of `x`.
   *
   * x {number|string|Decimal}
   *
   */
  function acos(x) {
    return new this(x).acos();
  }


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic cosine of `x`, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function acosh(x) {
    return new this(x).acosh();
  }


  /*
   * Return a new Decimal whose value is the sum of `x` and `y`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   * y {number|string|Decimal}
   *
   */
  function add(x, y) {
    return new this(x).plus(y);
  }


  /*
   * Return a new Decimal whose value is the arcsine in radians of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function asin(x) {
    return new this(x).asin();
  }


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic sine of `x`, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function asinh(x) {
    return new this(x).asinh();
  }


  /*
   * Return a new Decimal whose value is the arctangent in radians of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function atan(x) {
    return new this(x).atan();
  }


  /*
   * Return a new Decimal whose value is the inverse of the hyperbolic tangent of `x`, rounded to
   * `precision` significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function atanh(x) {
    return new this(x).atanh();
  }


  /*
   * Return a new Decimal whose value is the arctangent in radians of `y/x` in the range -pi to pi
   * (inclusive), rounded to `precision` significant digits using rounding mode `rounding`.
   *
   * Domain: [-Infinity, Infinity]
   * Range: [-pi, pi]
   *
   * y {number|string|Decimal} The y-coordinate.
   * x {number|string|Decimal} The x-coordinate.
   *
   * atan2(±0, -0)               = ±pi
   * atan2(±0, +0)               = ±0
   * atan2(±0, -x)               = ±pi for x > 0
   * atan2(±0, x)                = ±0 for x > 0
   * atan2(-y, ±0)               = -pi/2 for y > 0
   * atan2(y, ±0)                = pi/2 for y > 0
   * atan2(±y, -Infinity)        = ±pi for finite y > 0
   * atan2(±y, +Infinity)        = ±0 for finite y > 0
   * atan2(±Infinity, x)         = ±pi/2 for finite x
   * atan2(±Infinity, -Infinity) = ±3*pi/4
   * atan2(±Infinity, +Infinity) = ±pi/4
   * atan2(NaN, x) = NaN
   * atan2(y, NaN) = NaN
   *
   */
  function atan2(y, x) {
    y = new this(y);
    x = new this(x);
    var r,
      pr = this.precision,
      rm = this.rounding,
      wpr = pr + 4;

    // Either NaN
    if (!y.s || !x.s) {
      r = new this(NaN);

    // Both ±Infinity
    } else if (!y.d && !x.d) {
      r = getPi(this, wpr, 1).times(x.s > 0 ? 0.25 : 0.75);
      r.s = y.s;

    // x is ±Infinity or y is ±0
    } else if (!x.d || y.isZero()) {
      r = x.s < 0 ? getPi(this, pr, rm) : new this(0);
      r.s = y.s;

    // y is ±Infinity or x is ±0
    } else if (!y.d || x.isZero()) {
      r = getPi(this, wpr, 1).times(0.5);
      r.s = y.s;

    // Both non-zero and finite
    } else if (x.s < 0) {
      this.precision = wpr;
      this.rounding = 1;
      r = this.atan(divide(y, x, wpr, 1));
      x = getPi(this, wpr, 1);
      this.precision = pr;
      this.rounding = rm;
      r = y.s < 0 ? r.minus(x) : r.plus(x);
    } else {
      r = this.atan(divide(y, x, wpr, 1));
    }

    return r;
  }


  /*
   * Return a new Decimal whose value is the cube root of `x`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function cbrt(x) {
    return new this(x).cbrt();
  }


  /*
   * Return a new Decimal whose value is `x` rounded to an integer using `ROUND_CEIL`.
   *
   * x {number|string|Decimal}
   *
   */
  function ceil(x) {
    return finalise(x = new this(x), x.e + 1, 2);
  }


  /*
   * Return a new Decimal whose value is `x` clamped to the range delineated by `min` and `max`.
   *
   * x {number|string|Decimal}
   * min {number|string|Decimal}
   * max {number|string|Decimal}
   *
   */
  function clamp(x, min, max) {
    return new this(x).clamp(min, max);
  }


  /*
   * Configure global settings for a Decimal constructor.
   *
   * `obj` is an object with one or more of the following properties,
   *
   *   precision  {number}
   *   rounding   {number}
   *   toExpNeg   {number}
   *   toExpPos   {number}
   *   maxE       {number}
   *   minE       {number}
   *   modulo     {number}
   *   crypto     {boolean|number}
   *   defaults   {true}
   *
   * E.g. Decimal.config({ precision: 20, rounding: 4 })
   *
   */
  function config(obj) {
    if (!obj || typeof obj !== 'object') throw Error(decimalError + 'Object expected');
    var i, p, v,
      useDefaults = obj.defaults === true,
      ps = [
        'precision', 1, MAX_DIGITS,
        'rounding', 0, 8,
        'toExpNeg', -EXP_LIMIT, 0,
        'toExpPos', 0, EXP_LIMIT,
        'maxE', 0, EXP_LIMIT,
        'minE', -EXP_LIMIT, 0,
        'modulo', 0, 9
      ];

    for (i = 0; i < ps.length; i += 3) {
      if (p = ps[i], useDefaults) this[p] = DEFAULTS[p];
      if ((v = obj[p]) !== void 0) {
        if (mathfloor(v) === v && v >= ps[i + 1] && v <= ps[i + 2]) this[p] = v;
        else throw Error(invalidArgument + p + ': ' + v);
      }
    }

    if (p = 'crypto', useDefaults) this[p] = DEFAULTS[p];
    if ((v = obj[p]) !== void 0) {
      if (v === true || v === false || v === 0 || v === 1) {
        if (v) {
          if (typeof crypto != 'undefined' && crypto &&
            (crypto.getRandomValues || crypto.randomBytes)) {
            this[p] = true;
          } else {
            throw Error(cryptoUnavailable);
          }
        } else {
          this[p] = false;
        }
      } else {
        throw Error(invalidArgument + p + ': ' + v);
      }
    }

    return this;
  }


  /*
   * Return a new Decimal whose value is the cosine of `x`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function cos(x) {
    return new this(x).cos();
  }


  /*
   * Return a new Decimal whose value is the hyperbolic cosine of `x`, rounded to precision
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function cosh(x) {
    return new this(x).cosh();
  }


  /*
   * Create and return a Decimal constructor with the same configuration properties as this Decimal
   * constructor.
   *
   */
  function clone(obj) {
    var i, p, ps;

    /*
     * The Decimal constructor and exported function.
     * Return a new Decimal instance.
     *
     * v {number|string|Decimal} A numeric value.
     *
     */
    function Decimal(v) {
      var e, i, t,
        x = this;

      // Decimal called without new.
      if (!(x instanceof Decimal)) return new Decimal(v);

      // Retain a reference to this Decimal constructor, and shadow Decimal.prototype.constructor
      // which points to Object.
      x.constructor = Decimal;

      // Duplicate.
      if (isDecimalInstance(v)) {
        x.s = v.s;

        if (external) {
          if (!v.d || v.e > Decimal.maxE) {

            // Infinity.
            x.e = NaN;
            x.d = null;
          } else if (v.e < Decimal.minE) {

            // Zero.
            x.e = 0;
            x.d = [0];
          } else {
            x.e = v.e;
            x.d = v.d.slice();
          }
        } else {
          x.e = v.e;
          x.d = v.d ? v.d.slice() : v.d;
        }

        return;
      }

      t = typeof v;

      if (t === 'number') {
        if (v === 0) {
          x.s = 1 / v < 0 ? -1 : 1;
          x.e = 0;
          x.d = [0];
          return;
        }

        if (v < 0) {
          v = -v;
          x.s = -1;
        } else {
          x.s = 1;
        }

        // Fast path for small integers.
        if (v === ~~v && v < 1e7) {
          for (e = 0, i = v; i >= 10; i /= 10) e++;

          if (external) {
            if (e > Decimal.maxE) {
              x.e = NaN;
              x.d = null;
            } else if (e < Decimal.minE) {
              x.e = 0;
              x.d = [0];
            } else {
              x.e = e;
              x.d = [v];
            }
          } else {
            x.e = e;
            x.d = [v];
          }

          return;

        // Infinity, NaN.
        } else if (v * 0 !== 0) {
          if (!v) x.s = NaN;
          x.e = NaN;
          x.d = null;
          return;
        }

        return parseDecimal(x, v.toString());

      } else if (t !== 'string') {
        throw Error(invalidArgument + v);
      }

      // Minus sign?
      if ((i = v.charCodeAt(0)) === 45) {
        v = v.slice(1);
        x.s = -1;
      } else {
        // Plus sign?
        if (i === 43) v = v.slice(1);
        x.s = 1;
      }

      return isDecimal.test(v) ? parseDecimal(x, v) : parseOther(x, v);
    }

    Decimal.prototype = P;

    Decimal.ROUND_UP = 0;
    Decimal.ROUND_DOWN = 1;
    Decimal.ROUND_CEIL = 2;
    Decimal.ROUND_FLOOR = 3;
    Decimal.ROUND_HALF_UP = 4;
    Decimal.ROUND_HALF_DOWN = 5;
    Decimal.ROUND_HALF_EVEN = 6;
    Decimal.ROUND_HALF_CEIL = 7;
    Decimal.ROUND_HALF_FLOOR = 8;
    Decimal.EUCLID = 9;

    Decimal.config = Decimal.set = config;
    Decimal.clone = clone;
    Decimal.isDecimal = isDecimalInstance;

    Decimal.abs = abs;
    Decimal.acos = acos;
    Decimal.acosh = acosh;        // ES6
    Decimal.add = add;
    Decimal.asin = asin;
    Decimal.asinh = asinh;        // ES6
    Decimal.atan = atan;
    Decimal.atanh = atanh;        // ES6
    Decimal.atan2 = atan2;
    Decimal.cbrt = cbrt;          // ES6
    Decimal.ceil = ceil;
    Decimal.clamp = clamp;
    Decimal.cos = cos;
    Decimal.cosh = cosh;          // ES6
    Decimal.div = div;
    Decimal.exp = exp;
    Decimal.floor = floor;
    Decimal.hypot = hypot;        // ES6
    Decimal.ln = ln;
    Decimal.log = log;
    Decimal.log10 = log10;        // ES6
    Decimal.log2 = log2;          // ES6
    Decimal.max = max;
    Decimal.min = min;
    Decimal.mod = mod;
    Decimal.mul = mul;
    Decimal.pow = pow;
    Decimal.random = random;
    Decimal.round = round;
    Decimal.sign = sign;          // ES6
    Decimal.sin = sin;
    Decimal.sinh = sinh;          // ES6
    Decimal.sqrt = sqrt;
    Decimal.sub = sub;
    Decimal.sum = sum;
    Decimal.tan = tan;
    Decimal.tanh = tanh;          // ES6
    Decimal.trunc = trunc;        // ES6

    if (obj === void 0) obj = {};
    if (obj) {
      if (obj.defaults !== true) {
        ps = ['precision', 'rounding', 'toExpNeg', 'toExpPos', 'maxE', 'minE', 'modulo', 'crypto'];
        for (i = 0; i < ps.length;) if (!obj.hasOwnProperty(p = ps[i++])) obj[p] = this[p];
      }
    }

    Decimal.config(obj);

    return Decimal;
  }


  /*
   * Return a new Decimal whose value is `x` divided by `y`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   * y {number|string|Decimal}
   *
   */
  function div(x, y) {
    return new this(x).div(y);
  }


  /*
   * Return a new Decimal whose value is the natural exponential of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} The power to which to raise the base of the natural log.
   *
   */
  function exp(x) {
    return new this(x).exp();
  }


  /*
   * Return a new Decimal whose value is `x` round to an integer using `ROUND_FLOOR`.
   *
   * x {number|string|Decimal}
   *
   */
  function floor(x) {
    return finalise(x = new this(x), x.e + 1, 3);
  }


  /*
   * Return a new Decimal whose value is the square root of the sum of the squares of the arguments,
   * rounded to `precision` significant digits using rounding mode `rounding`.
   *
   * hypot(a, b, ...) = sqrt(a^2 + b^2 + ...)
   *
   * arguments {number|string|Decimal}
   *
   */
  function hypot() {
    var i, n,
      t = new this(0);

    external = false;

    for (i = 0; i < arguments.length;) {
      n = new this(arguments[i++]);
      if (!n.d) {
        if (n.s) {
          external = true;
          return new this(1 / 0);
        }
        t = n;
      } else if (t.d) {
        t = t.plus(n.times(n));
      }
    }

    external = true;

    return t.sqrt();
  }


  /*
   * Return true if object is a Decimal instance (where Decimal is any Decimal constructor),
   * otherwise return false.
   *
   */
  function isDecimalInstance(obj) {
    return obj instanceof Decimal || obj && obj.toStringTag === tag || false;
  }


  /*
   * Return a new Decimal whose value is the natural logarithm of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function ln(x) {
    return new this(x).ln();
  }


  /*
   * Return a new Decimal whose value is the log of `x` to the base `y`, or to base 10 if no base
   * is specified, rounded to `precision` significant digits using rounding mode `rounding`.
   *
   * log[y](x)
   *
   * x {number|string|Decimal} The argument of the logarithm.
   * y {number|string|Decimal} The base of the logarithm.
   *
   */
  function log(x, y) {
    return new this(x).log(y);
  }


  /*
   * Return a new Decimal whose value is the base 2 logarithm of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function log2(x) {
    return new this(x).log(2);
  }


  /*
   * Return a new Decimal whose value is the base 10 logarithm of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function log10(x) {
    return new this(x).log(10);
  }


  /*
   * Return a new Decimal whose value is the maximum of the arguments.
   *
   * arguments {number|string|Decimal}
   *
   */
  function max() {
    return maxOrMin(this, arguments, 'lt');
  }


  /*
   * Return a new Decimal whose value is the minimum of the arguments.
   *
   * arguments {number|string|Decimal}
   *
   */
  function min() {
    return maxOrMin(this, arguments, 'gt');
  }


  /*
   * Return a new Decimal whose value is `x` modulo `y`, rounded to `precision` significant digits
   * using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   * y {number|string|Decimal}
   *
   */
  function mod(x, y) {
    return new this(x).mod(y);
  }


  /*
   * Return a new Decimal whose value is `x` multiplied by `y`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   * y {number|string|Decimal}
   *
   */
  function mul(x, y) {
    return new this(x).mul(y);
  }


  /*
   * Return a new Decimal whose value is `x` raised to the power `y`, rounded to precision
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} The base.
   * y {number|string|Decimal} The exponent.
   *
   */
  function pow(x, y) {
    return new this(x).pow(y);
  }


  /*
   * Returns a new Decimal with a random value equal to or greater than 0 and less than 1, and with
   * `sd`, or `Decimal.precision` if `sd` is omitted, significant digits (or less if trailing zeros
   * are produced).
   *
   * [sd] {number} Significant digits. Integer, 0 to MAX_DIGITS inclusive.
   *
   */
  function random(sd) {
    var d, e, k, n,
      i = 0,
      r = new this(1),
      rd = [];

    if (sd === void 0) sd = this.precision;
    else checkInt32(sd, 1, MAX_DIGITS);

    k = Math.ceil(sd / LOG_BASE);

    if (!this.crypto) {
      for (; i < k;) rd[i++] = Math.random() * 1e7 | 0;

    // Browsers supporting crypto.getRandomValues.
    } else if (crypto.getRandomValues) {
      d = crypto.getRandomValues(new Uint32Array(k));

      for (; i < k;) {
        n = d[i];

        // 0 <= n < 4294967296
        // Probability n >= 4.29e9, is 4967296 / 4294967296 = 0.00116 (1 in 865).
        if (n >= 4.29e9) {
          d[i] = crypto.getRandomValues(new Uint32Array(1))[0];
        } else {

          // 0 <= n <= 4289999999
          // 0 <= (n % 1e7) <= 9999999
          rd[i++] = n % 1e7;
        }
      }

    // Node.js supporting crypto.randomBytes.
    } else if (crypto.randomBytes) {

      // buffer
      d = crypto.randomBytes(k *= 4);

      for (; i < k;) {

        // 0 <= n < 2147483648
        n = d[i] + (d[i + 1] << 8) + (d[i + 2] << 16) + ((d[i + 3] & 0x7f) << 24);

        // Probability n >= 2.14e9, is 7483648 / 2147483648 = 0.0035 (1 in 286).
        if (n >= 2.14e9) {
          crypto.randomBytes(4).copy(d, i);
        } else {

          // 0 <= n <= 2139999999
          // 0 <= (n % 1e7) <= 9999999
          rd.push(n % 1e7);
          i += 4;
        }
      }

      i = k / 4;
    } else {
      throw Error(cryptoUnavailable);
    }

    k = rd[--i];
    sd %= LOG_BASE;

    // Convert trailing digits to zeros according to sd.
    if (k && sd) {
      n = mathpow(10, LOG_BASE - sd);
      rd[i] = (k / n | 0) * n;
    }

    // Remove trailing words which are zero.
    for (; rd[i] === 0; i--) rd.pop();

    // Zero?
    if (i < 0) {
      e = 0;
      rd = [0];
    } else {
      e = -1;

      // Remove leading words which are zero and adjust exponent accordingly.
      for (; rd[0] === 0; e -= LOG_BASE) rd.shift();

      // Count the digits of the first word of rd to determine leading zeros.
      for (k = 1, n = rd[0]; n >= 10; n /= 10) k++;

      // Adjust the exponent for leading zeros of the first word of rd.
      if (k < LOG_BASE) e -= LOG_BASE - k;
    }

    r.e = e;
    r.d = rd;

    return r;
  }


  /*
   * Return a new Decimal whose value is `x` rounded to an integer using rounding mode `rounding`.
   *
   * To emulate `Math.round`, set rounding to 7 (ROUND_HALF_CEIL).
   *
   * x {number|string|Decimal}
   *
   */
  function round(x) {
    return finalise(x = new this(x), x.e + 1, this.rounding);
  }


  /*
   * Return
   *   1    if x > 0,
   *  -1    if x < 0,
   *   0    if x is 0,
   *  -0    if x is -0,
   *   NaN  otherwise
   *
   * x {number|string|Decimal}
   *
   */
  function sign(x) {
    x = new this(x);
    return x.d ? (x.d[0] ? x.s : 0 * x.s) : x.s || NaN;
  }


  /*
   * Return a new Decimal whose value is the sine of `x`, rounded to `precision` significant digits
   * using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function sin(x) {
    return new this(x).sin();
  }


  /*
   * Return a new Decimal whose value is the hyperbolic sine of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function sinh(x) {
    return new this(x).sinh();
  }


  /*
   * Return a new Decimal whose value is the square root of `x`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   *
   */
  function sqrt(x) {
    return new this(x).sqrt();
  }


  /*
   * Return a new Decimal whose value is `x` minus `y`, rounded to `precision` significant digits
   * using rounding mode `rounding`.
   *
   * x {number|string|Decimal}
   * y {number|string|Decimal}
   *
   */
  function sub(x, y) {
    return new this(x).sub(y);
  }


  /*
   * Return a new Decimal whose value is the sum of the arguments, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * Only the result is rounded, not the intermediate calculations.
   *
   * arguments {number|string|Decimal}
   *
   */
  function sum() {
    var i = 0,
      args = arguments,
      x = new this(args[i]);

    external = false;
    for (; x.s && ++i < args.length;) x = x.plus(args[i]);
    external = true;

    return finalise(x, this.precision, this.rounding);
  }


  /*
   * Return a new Decimal whose value is the tangent of `x`, rounded to `precision` significant
   * digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function tan(x) {
    return new this(x).tan();
  }


  /*
   * Return a new Decimal whose value is the hyperbolic tangent of `x`, rounded to `precision`
   * significant digits using rounding mode `rounding`.
   *
   * x {number|string|Decimal} A value in radians.
   *
   */
  function tanh(x) {
    return new this(x).tanh();
  }


  /*
   * Return a new Decimal whose value is `x` truncated to an integer.
   *
   * x {number|string|Decimal}
   *
   */
  function trunc(x) {
    return finalise(x = new this(x), x.e + 1, 1);
  }


  // Create and configure initial Decimal constructor.
  Decimal = clone(DEFAULTS);
  Decimal.prototype.constructor = Decimal;
  Decimal['default'] = Decimal.Decimal = Decimal;

  // Create the internal constants from their string values.
  LN10 = new Decimal(LN10);
  PI = new Decimal(PI);


  // Export.


  // AMD.
  if (true) {
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () {
      return Decimal;
    }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

  // Node and other environments that support module.exports.
  } else {}
})(this);


/***/ }),

/***/ 4289:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var keys = __webpack_require__(82215);
var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';

var toStr = Object.prototype.toString;
var concat = Array.prototype.concat;
var origDefineProperty = Object.defineProperty;

var isFunction = function (fn) {
	return typeof fn === 'function' && toStr.call(fn) === '[object Function]';
};

var arePropertyDescriptorsSupported = function () {
	var obj = {};
	try {
		origDefineProperty(obj, 'x', { enumerable: false, value: obj });
		// eslint-disable-next-line no-unused-vars, no-restricted-syntax
		for (var _ in obj) { // jscs:ignore disallowUnusedVariables
			return false;
		}
		return obj.x === obj;
	} catch (e) { /* this is IE 8. */
		return false;
	}
};
var supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported();

var defineProperty = function (object, name, value, predicate) {
	if (name in object && (!isFunction(predicate) || !predicate())) {
		return;
	}
	if (supportsDescriptors) {
		origDefineProperty(object, name, {
			configurable: true,
			enumerable: false,
			value: value,
			writable: true
		});
	} else {
		object[name] = value;
	}
};

var defineProperties = function (object, map) {
	var predicates = arguments.length > 2 ? arguments[2] : {};
	var props = keys(map);
	if (hasSymbols) {
		props = concat.call(props, Object.getOwnPropertySymbols(map));
	}
	for (var i = 0; i < props.length; i += 1) {
		defineProperty(object, props[i], map[props[i]], predicates[props[i]]);
	}
};

defineProperties.supportsDescriptors = !!supportsDescriptors;

module.exports = defineProperties;


/***/ }),

/***/ 15251:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


exports.utils = __webpack_require__(11278);
exports.Cipher = __webpack_require__(55756);
exports.DES = __webpack_require__(70778);
exports.CBC = __webpack_require__(39051);
exports.EDE = __webpack_require__(50651);


/***/ }),

/***/ 39051:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var assert = __webpack_require__(79746);
var inherits = __webpack_require__(35717);

var proto = {};

function CBCState(iv) {
  assert.equal(iv.length, 8, 'Invalid IV length');

  this.iv = new Array(8);
  for (var i = 0; i < this.iv.length; i++)
    this.iv[i] = iv[i];
}

function instantiate(Base) {
  function CBC(options) {
    Base.call(this, options);
    this._cbcInit();
  }
  inherits(CBC, Base);

  var keys = Object.keys(proto);
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    CBC.prototype[key] = proto[key];
  }

  CBC.create = function create(options) {
    return new CBC(options);
  };

  return CBC;
}

exports.instantiate = instantiate;

proto._cbcInit = function _cbcInit() {
  var state = new CBCState(this.options.iv);
  this._cbcState = state;
};

proto._update = function _update(inp, inOff, out, outOff) {
  var state = this._cbcState;
  var superProto = this.constructor.super_.prototype;

  var iv = state.iv;
  if (this.type === 'encrypt') {
    for (var i = 0; i < this.blockSize; i++)
      iv[i] ^= inp[inOff + i];

    superProto._update.call(this, iv, 0, out, outOff);

    for (var i = 0; i < this.blockSize; i++)
      iv[i] = out[outOff + i];
  } else {
    superProto._update.call(this, inp, inOff, out, outOff);

    for (var i = 0; i < this.blockSize; i++)
      out[outOff + i] ^= iv[i];

    for (var i = 0; i < this.blockSize; i++)
      iv[i] = inp[inOff + i];
  }
};


/***/ }),

/***/ 55756:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var assert = __webpack_require__(79746);

function Cipher(options) {
  this.options = options;

  this.type = this.options.type;
  this.blockSize = 8;
  this._init();

  this.buffer = new Array(this.blockSize);
  this.bufferOff = 0;
}
module.exports = Cipher;

Cipher.prototype._init = function _init() {
  // Might be overrided
};

Cipher.prototype.update = function update(data) {
  if (data.length === 0)
    return [];

  if (this.type === 'decrypt')
    return this._updateDecrypt(data);
  else
    return this._updateEncrypt(data);
};

Cipher.prototype._buffer = function _buffer(data, off) {
  // Append data to buffer
  var min = Math.min(this.buffer.length - this.bufferOff, data.length - off);
  for (var i = 0; i < min; i++)
    this.buffer[this.bufferOff + i] = data[off + i];
  this.bufferOff += min;

  // Shift next
  return min;
};

Cipher.prototype._flushBuffer = function _flushBuffer(out, off) {
  this._update(this.buffer, 0, out, off);
  this.bufferOff = 0;
  return this.blockSize;
};

Cipher.prototype._updateEncrypt = function _updateEncrypt(data) {
  var inputOff = 0;
  var outputOff = 0;

  var count = ((this.bufferOff + data.length) / this.blockSize) | 0;
  var out = new Array(count * this.blockSize);

  if (this.bufferOff !== 0) {
    inputOff += this._buffer(data, inputOff);

    if (this.bufferOff === this.buffer.length)
      outputOff += this._flushBuffer(out, outputOff);
  }

  // Write blocks
  var max = data.length - ((data.length - inputOff) % this.blockSize);
  for (; inputOff < max; inputOff += this.blockSize) {
    this._update(data, inputOff, out, outputOff);
    outputOff += this.blockSize;
  }

  // Queue rest
  for (; inputOff < data.length; inputOff++, this.bufferOff++)
    this.buffer[this.bufferOff] = data[inputOff];

  return out;
};

Cipher.prototype._updateDecrypt = function _updateDecrypt(data) {
  var inputOff = 0;
  var outputOff = 0;

  var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1;
  var out = new Array(count * this.blockSize);

  // TODO(indutny): optimize it, this is far from optimal
  for (; count > 0; count--) {
    inputOff += this._buffer(data, inputOff);
    outputOff += this._flushBuffer(out, outputOff);
  }

  // Buffer rest of the input
  inputOff += this._buffer(data, inputOff);

  return out;
};

Cipher.prototype.final = function final(buffer) {
  var first;
  if (buffer)
    first = this.update(buffer);

  var last;
  if (this.type === 'encrypt')
    last = this._finalEncrypt();
  else
    last = this._finalDecrypt();

  if (first)
    return first.concat(last);
  else
    return last;
};

Cipher.prototype._pad = function _pad(buffer, off) {
  if (off === 0)
    return false;

  while (off < buffer.length)
    buffer[off++] = 0;

  return true;
};

Cipher.prototype._finalEncrypt = function _finalEncrypt() {
  if (!this._pad(this.buffer, this.bufferOff))
    return [];

  var out = new Array(this.blockSize);
  this._update(this.buffer, 0, out, 0);
  return out;
};

Cipher.prototype._unpad = function _unpad(buffer) {
  return buffer;
};

Cipher.prototype._finalDecrypt = function _finalDecrypt() {
  assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt');
  var out = new Array(this.blockSize);
  this._flushBuffer(out, 0);

  return this._unpad(out);
};


/***/ }),

/***/ 70778:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var assert = __webpack_require__(79746);
var inherits = __webpack_require__(35717);

var utils = __webpack_require__(11278);
var Cipher = __webpack_require__(55756);

function DESState() {
  this.tmp = new Array(2);
  this.keys = null;
}

function DES(options) {
  Cipher.call(this, options);

  var state = new DESState();
  this._desState = state;

  this.deriveKeys(state, options.key);
}
inherits(DES, Cipher);
module.exports = DES;

DES.create = function create(options) {
  return new DES(options);
};

var shiftTable = [
  1, 1, 2, 2, 2, 2, 2, 2,
  1, 2, 2, 2, 2, 2, 2, 1
];

DES.prototype.deriveKeys = function deriveKeys(state, key) {
  state.keys = new Array(16 * 2);

  assert.equal(key.length, this.blockSize, 'Invalid key length');

  var kL = utils.readUInt32BE(key, 0);
  var kR = utils.readUInt32BE(key, 4);

  utils.pc1(kL, kR, state.tmp, 0);
  kL = state.tmp[0];
  kR = state.tmp[1];
  for (var i = 0; i < state.keys.length; i += 2) {
    var shift = shiftTable[i >>> 1];
    kL = utils.r28shl(kL, shift);
    kR = utils.r28shl(kR, shift);
    utils.pc2(kL, kR, state.keys, i);
  }
};

DES.prototype._update = function _update(inp, inOff, out, outOff) {
  var state = this._desState;

  var l = utils.readUInt32BE(inp, inOff);
  var r = utils.readUInt32BE(inp, inOff + 4);

  // Initial Permutation
  utils.ip(l, r, state.tmp, 0);
  l = state.tmp[0];
  r = state.tmp[1];

  if (this.type === 'encrypt')
    this._encrypt(state, l, r, state.tmp, 0);
  else
    this._decrypt(state, l, r, state.tmp, 0);

  l = state.tmp[0];
  r = state.tmp[1];

  utils.writeUInt32BE(out, l, outOff);
  utils.writeUInt32BE(out, r, outOff + 4);
};

DES.prototype._pad = function _pad(buffer, off) {
  var value = buffer.length - off;
  for (var i = off; i < buffer.length; i++)
    buffer[i] = value;

  return true;
};

DES.prototype._unpad = function _unpad(buffer) {
  var pad = buffer[buffer.length - 1];
  for (var i = buffer.length - pad; i < buffer.length; i++)
    assert.equal(buffer[i], pad);

  return buffer.slice(0, buffer.length - pad);
};

DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) {
  var l = lStart;
  var r = rStart;

  // Apply f() x16 times
  for (var i = 0; i < state.keys.length; i += 2) {
    var keyL = state.keys[i];
    var keyR = state.keys[i + 1];

    // f(r, k)
    utils.expand(r, state.tmp, 0);

    keyL ^= state.tmp[0];
    keyR ^= state.tmp[1];
    var s = utils.substitute(keyL, keyR);
    var f = utils.permute(s);

    var t = r;
    r = (l ^ f) >>> 0;
    l = t;
  }

  // Reverse Initial Permutation
  utils.rip(r, l, out, off);
};

DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) {
  var l = rStart;
  var r = lStart;

  // Apply f() x16 times
  for (var i = state.keys.length - 2; i >= 0; i -= 2) {
    var keyL = state.keys[i];
    var keyR = state.keys[i + 1];

    // f(r, k)
    utils.expand(l, state.tmp, 0);

    keyL ^= state.tmp[0];
    keyR ^= state.tmp[1];
    var s = utils.substitute(keyL, keyR);
    var f = utils.permute(s);

    var t = l;
    l = (r ^ f) >>> 0;
    r = t;
  }

  // Reverse Initial Permutation
  utils.rip(l, r, out, off);
};


/***/ }),

/***/ 50651:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var assert = __webpack_require__(79746);
var inherits = __webpack_require__(35717);

var Cipher = __webpack_require__(55756);
var DES = __webpack_require__(70778);

function EDEState(type, key) {
  assert.equal(key.length, 24, 'Invalid key length');

  var k1 = key.slice(0, 8);
  var k2 = key.slice(8, 16);
  var k3 = key.slice(16, 24);

  if (type === 'encrypt') {
    this.ciphers = [
      DES.create({ type: 'encrypt', key: k1 }),
      DES.create({ type: 'decrypt', key: k2 }),
      DES.create({ type: 'encrypt', key: k3 })
    ];
  } else {
    this.ciphers = [
      DES.create({ type: 'decrypt', key: k3 }),
      DES.create({ type: 'encrypt', key: k2 }),
      DES.create({ type: 'decrypt', key: k1 })
    ];
  }
}

function EDE(options) {
  Cipher.call(this, options);

  var state = new EDEState(this.type, this.options.key);
  this._edeState = state;
}
inherits(EDE, Cipher);

module.exports = EDE;

EDE.create = function create(options) {
  return new EDE(options);
};

EDE.prototype._update = function _update(inp, inOff, out, outOff) {
  var state = this._edeState;

  state.ciphers[0]._update(inp, inOff, out, outOff);
  state.ciphers[1]._update(out, outOff, out, outOff);
  state.ciphers[2]._update(out, outOff, out, outOff);
};

EDE.prototype._pad = DES.prototype._pad;
EDE.prototype._unpad = DES.prototype._unpad;


/***/ }),

/***/ 11278:
/***/ ((__unused_webpack_module, exports) => {

"use strict";


exports.readUInt32BE = function readUInt32BE(bytes, off) {
  var res =  (bytes[0 + off] << 24) |
             (bytes[1 + off] << 16) |
             (bytes[2 + off] << 8) |
             bytes[3 + off];
  return res >>> 0;
};

exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) {
  bytes[0 + off] = value >>> 24;
  bytes[1 + off] = (value >>> 16) & 0xff;
  bytes[2 + off] = (value >>> 8) & 0xff;
  bytes[3 + off] = value & 0xff;
};

exports.ip = function ip(inL, inR, out, off) {
  var outL = 0;
  var outR = 0;

  for (var i = 6; i >= 0; i -= 2) {
    for (var j = 0; j <= 24; j += 8) {
      outL <<= 1;
      outL |= (inR >>> (j + i)) & 1;
    }
    for (var j = 0; j <= 24; j += 8) {
      outL <<= 1;
      outL |= (inL >>> (j + i)) & 1;
    }
  }

  for (var i = 6; i >= 0; i -= 2) {
    for (var j = 1; j <= 25; j += 8) {
      outR <<= 1;
      outR |= (inR >>> (j + i)) & 1;
    }
    for (var j = 1; j <= 25; j += 8) {
      outR <<= 1;
      outR |= (inL >>> (j + i)) & 1;
    }
  }

  out[off + 0] = outL >>> 0;
  out[off + 1] = outR >>> 0;
};

exports.rip = function rip(inL, inR, out, off) {
  var outL = 0;
  var outR = 0;

  for (var i = 0; i < 4; i++) {
    for (var j = 24; j >= 0; j -= 8) {
      outL <<= 1;
      outL |= (inR >>> (j + i)) & 1;
      outL <<= 1;
      outL |= (inL >>> (j + i)) & 1;
    }
  }
  for (var i = 4; i < 8; i++) {
    for (var j = 24; j >= 0; j -= 8) {
      outR <<= 1;
      outR |= (inR >>> (j + i)) & 1;
      outR <<= 1;
      outR |= (inL >>> (j + i)) & 1;
    }
  }

  out[off + 0] = outL >>> 0;
  out[off + 1] = outR >>> 0;
};

exports.pc1 = function pc1(inL, inR, out, off) {
  var outL = 0;
  var outR = 0;

  // 7, 15, 23, 31, 39, 47, 55, 63
  // 6, 14, 22, 30, 39, 47, 55, 63
  // 5, 13, 21, 29, 39, 47, 55, 63
  // 4, 12, 20, 28
  for (var i = 7; i >= 5; i--) {
    for (var j = 0; j <= 24; j += 8) {
      outL <<= 1;
      outL |= (inR >> (j + i)) & 1;
    }
    for (var j = 0; j <= 24; j += 8) {
      outL <<= 1;
      outL |= (inL >> (j + i)) & 1;
    }
  }
  for (var j = 0; j <= 24; j += 8) {
    outL <<= 1;
    outL |= (inR >> (j + i)) & 1;
  }

  // 1, 9, 17, 25, 33, 41, 49, 57
  // 2, 10, 18, 26, 34, 42, 50, 58
  // 3, 11, 19, 27, 35, 43, 51, 59
  // 36, 44, 52, 60
  for (var i = 1; i <= 3; i++) {
    for (var j = 0; j <= 24; j += 8) {
      outR <<= 1;
      outR |= (inR >> (j + i)) & 1;
    }
    for (var j = 0; j <= 24; j += 8) {
      outR <<= 1;
      outR |= (inL >> (j + i)) & 1;
    }
  }
  for (var j = 0; j <= 24; j += 8) {
    outR <<= 1;
    outR |= (inL >> (j + i)) & 1;
  }

  out[off + 0] = outL >>> 0;
  out[off + 1] = outR >>> 0;
};

exports.r28shl = function r28shl(num, shift) {
  return ((num << shift) & 0xfffffff) | (num >>> (28 - shift));
};

var pc2table = [
  // inL => outL
  14, 11, 17, 4, 27, 23, 25, 0,
  13, 22, 7, 18, 5, 9, 16, 24,
  2, 20, 12, 21, 1, 8, 15, 26,

  // inR => outR
  15, 4, 25, 19, 9, 1, 26, 16,
  5, 11, 23, 8, 12, 7, 17, 0,
  22, 3, 10, 14, 6, 20, 27, 24
];

exports.pc2 = function pc2(inL, inR, out, off) {
  var outL = 0;
  var outR = 0;

  var len = pc2table.length >>> 1;
  for (var i = 0; i < len; i++) {
    outL <<= 1;
    outL |= (inL >>> pc2table[i]) & 0x1;
  }
  for (var i = len; i < pc2table.length; i++) {
    outR <<= 1;
    outR |= (inR >>> pc2table[i]) & 0x1;
  }

  out[off + 0] = outL >>> 0;
  out[off + 1] = outR >>> 0;
};

exports.expand = function expand(r, out, off) {
  var outL = 0;
  var outR = 0;

  outL = ((r & 1) << 5) | (r >>> 27);
  for (var i = 23; i >= 15; i -= 4) {
    outL <<= 6;
    outL |= (r >>> i) & 0x3f;
  }
  for (var i = 11; i >= 3; i -= 4) {
    outR |= (r >>> i) & 0x3f;
    outR <<= 6;
  }
  outR |= ((r & 0x1f) << 1) | (r >>> 31);

  out[off + 0] = outL >>> 0;
  out[off + 1] = outR >>> 0;
};

var sTable = [
  14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
  3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
  4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
  15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13,

  15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
  9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
  0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
  5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9,

  10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
  1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
  13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
  11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12,

  7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
  1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
  10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
  15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14,

  2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
  8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
  4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
  15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3,

  12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
  0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
  9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
  7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13,

  4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
  3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
  1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
  10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12,

  13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
  10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
  7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
  0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
];

exports.substitute = function substitute(inL, inR) {
  var out = 0;
  for (var i = 0; i < 4; i++) {
    var b = (inL >>> (18 - i * 6)) & 0x3f;
    var sb = sTable[i * 0x40 + b];

    out <<= 4;
    out |= sb;
  }
  for (var i = 0; i < 4; i++) {
    var b = (inR >>> (18 - i * 6)) & 0x3f;
    var sb = sTable[4 * 0x40 + i * 0x40 + b];

    out <<= 4;
    out |= sb;
  }
  return out >>> 0;
};

var permuteTable = [
  16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22,
  30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7
];

exports.permute = function permute(num) {
  var out = 0;
  for (var i = 0; i < permuteTable.length; i++) {
    out <<= 1;
    out |= (num >>> permuteTable[i]) & 0x1;
  }
  return out >>> 0;
};

exports.padSplit = function padSplit(num, size, group) {
  var str = num.toString(2);
  while (str.length < size)
    str = '0' + str;

  var out = [];
  for (var i = 0; i < size; i += group)
    out.push(str.slice(i, i + group));
  return out.join(' ');
};


/***/ }),

/***/ 62607:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var generatePrime = __webpack_require__(43590)
var primes = __webpack_require__(29799)

var DH = __webpack_require__(57426)

function getDiffieHellman (mod) {
  var prime = new Buffer(primes[mod].prime, 'hex')
  var gen = new Buffer(primes[mod].gen, 'hex')

  return new DH(prime, gen)
}

var ENCODINGS = {
  'binary': true, 'hex': true, 'base64': true
}

function createDiffieHellman (prime, enc, generator, genc) {
  if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) {
    return createDiffieHellman(prime, 'binary', enc, generator)
  }

  enc = enc || 'binary'
  genc = genc || 'binary'
  generator = generator || new Buffer([2])

  if (!Buffer.isBuffer(generator)) {
    generator = new Buffer(generator, genc)
  }

  if (typeof prime === 'number') {
    return new DH(generatePrime(prime, generator), generator, true)
  }

  if (!Buffer.isBuffer(prime)) {
    prime = new Buffer(prime, enc)
  }

  return new DH(prime, generator, true)
}

exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman
exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman


/***/ }),

/***/ 57426:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var BN = __webpack_require__(83620);
var MillerRabin = __webpack_require__(63047);
var millerRabin = new MillerRabin();
var TWENTYFOUR = new BN(24);
var ELEVEN = new BN(11);
var TEN = new BN(10);
var THREE = new BN(3);
var SEVEN = new BN(7);
var primes = __webpack_require__(43590);
var randomBytes = __webpack_require__(61798);
module.exports = DH;

function setPublicKey(pub, enc) {
  enc = enc || 'utf8';
  if (!Buffer.isBuffer(pub)) {
    pub = new Buffer(pub, enc);
  }
  this._pub = new BN(pub);
  return this;
}

function setPrivateKey(priv, enc) {
  enc = enc || 'utf8';
  if (!Buffer.isBuffer(priv)) {
    priv = new Buffer(priv, enc);
  }
  this._priv = new BN(priv);
  return this;
}

var primeCache = {};
function checkPrime(prime, generator) {
  var gen = generator.toString('hex');
  var hex = [gen, prime.toString(16)].join('_');
  if (hex in primeCache) {
    return primeCache[hex];
  }
  var error = 0;

  if (prime.isEven() ||
    !primes.simpleSieve ||
    !primes.fermatTest(prime) ||
    !millerRabin.test(prime)) {
    //not a prime so +1
    error += 1;

    if (gen === '02' || gen === '05') {
      // we'd be able to check the generator
      // it would fail so +8
      error += 8;
    } else {
      //we wouldn't be able to test the generator
      // so +4
      error += 4;
    }
    primeCache[hex] = error;
    return error;
  }
  if (!millerRabin.test(prime.shrn(1))) {
    //not a safe prime
    error += 2;
  }
  var rem;
  switch (gen) {
    case '02':
      if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) {
        // unsuidable generator
        error += 8;
      }
      break;
    case '05':
      rem = prime.mod(TEN);
      if (rem.cmp(THREE) && rem.cmp(SEVEN)) {
        // prime mod 10 needs to equal 3 or 7
        error += 8;
      }
      break;
    default:
      error += 4;
  }
  primeCache[hex] = error;
  return error;
}

function DH(prime, generator, malleable) {
  this.setGenerator(generator);
  this.__prime = new BN(prime);
  this._prime = BN.mont(this.__prime);
  this._primeLen = prime.length;
  this._pub = undefined;
  this._priv = undefined;
  this._primeCode = undefined;
  if (malleable) {
    this.setPublicKey = setPublicKey;
    this.setPrivateKey = setPrivateKey;
  } else {
    this._primeCode = 8;
  }
}
Object.defineProperty(DH.prototype, 'verifyError', {
  enumerable: true,
  get: function () {
    if (typeof this._primeCode !== 'number') {
      this._primeCode = checkPrime(this.__prime, this.__gen);
    }
    return this._primeCode;
  }
});
DH.prototype.generateKeys = function () {
  if (!this._priv) {
    this._priv = new BN(randomBytes(this._primeLen));
  }
  this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed();
  return this.getPublicKey();
};

DH.prototype.computeSecret = function (other) {
  other = new BN(other);
  other = other.toRed(this._prime);
  var secret = other.redPow(this._priv).fromRed();
  var out = new Buffer(secret.toArray());
  var prime = this.getPrime();
  if (out.length < prime.length) {
    var front = new Buffer(prime.length - out.length);
    front.fill(0);
    out = Buffer.concat([front, out]);
  }
  return out;
};

DH.prototype.getPublicKey = function getPublicKey(enc) {
  return formatReturnValue(this._pub, enc);
};

DH.prototype.getPrivateKey = function getPrivateKey(enc) {
  return formatReturnValue(this._priv, enc);
};

DH.prototype.getPrime = function (enc) {
  return formatReturnValue(this.__prime, enc);
};

DH.prototype.getGenerator = function (enc) {
  return formatReturnValue(this._gen, enc);
};

DH.prototype.setGenerator = function (gen, enc) {
  enc = enc || 'utf8';
  if (!Buffer.isBuffer(gen)) {
    gen = new Buffer(gen, enc);
  }
  this.__gen = gen;
  this._gen = new BN(gen);
  return this;
};

function formatReturnValue(bn, enc) {
  var buf = new Buffer(bn.toArray());
  if (!enc) {
    return buf;
  } else {
    return buf.toString(enc);
  }
}


/***/ }),

/***/ 43590:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var randomBytes = __webpack_require__(61798);
module.exports = findPrime;
findPrime.simpleSieve = simpleSieve;
findPrime.fermatTest = fermatTest;
var BN = __webpack_require__(83620);
var TWENTYFOUR = new BN(24);
var MillerRabin = __webpack_require__(63047);
var millerRabin = new MillerRabin();
var ONE = new BN(1);
var TWO = new BN(2);
var FIVE = new BN(5);
var SIXTEEN = new BN(16);
var EIGHT = new BN(8);
var TEN = new BN(10);
var THREE = new BN(3);
var SEVEN = new BN(7);
var ELEVEN = new BN(11);
var FOUR = new BN(4);
var TWELVE = new BN(12);
var primes = null;

function _getPrimes() {
  if (primes !== null)
    return primes;

  var limit = 0x100000;
  var res = [];
  res[0] = 2;
  for (var i = 1, k = 3; k < limit; k += 2) {
    var sqrt = Math.ceil(Math.sqrt(k));
    for (var j = 0; j < i && res[j] <= sqrt; j++)
      if (k % res[j] === 0)
        break;

    if (i !== j && res[j] <= sqrt)
      continue;

    res[i++] = k;
  }
  primes = res;
  return res;
}

function simpleSieve(p) {
  var primes = _getPrimes();

  for (var i = 0; i < primes.length; i++)
    if (p.modn(primes[i]) === 0) {
      if (p.cmpn(primes[i]) === 0) {
        return true;
      } else {
        return false;
      }
    }

  return true;
}

function fermatTest(p) {
  var red = BN.mont(p);
  return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0;
}

function findPrime(bits, gen) {
  if (bits < 16) {
    // this is what openssl does
    if (gen === 2 || gen === 5) {
      return new BN([0x8c, 0x7b]);
    } else {
      return new BN([0x8c, 0x27]);
    }
  }
  gen = new BN(gen);

  var num, n2;

  while (true) {
    num = new BN(randomBytes(Math.ceil(bits / 8)));
    while (num.bitLength() > bits) {
      num.ishrn(1);
    }
    if (num.isEven()) {
      num.iadd(ONE);
    }
    if (!num.testn(1)) {
      num.iadd(TWO);
    }
    if (!gen.cmp(TWO)) {
      while (num.mod(TWENTYFOUR).cmp(ELEVEN)) {
        num.iadd(FOUR);
      }
    } else if (!gen.cmp(FIVE)) {
      while (num.mod(TEN).cmp(THREE)) {
        num.iadd(FOUR);
      }
    }
    n2 = num.shrn(1);
    if (simpleSieve(n2) && simpleSieve(num) &&
      fermatTest(n2) && fermatTest(num) &&
      millerRabin.test(n2) && millerRabin.test(num)) {
      return num;
    }
  }

}


/***/ }),

/***/ 83620:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(7748).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 86266:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var elliptic = exports;

elliptic.version = (__webpack_require__(18597)/* .version */ .i8);
elliptic.utils = __webpack_require__(80953);
elliptic.rand = __webpack_require__(29931);
elliptic.curve = __webpack_require__(88254);
elliptic.curves = __webpack_require__(45427);

// Protocols
elliptic.ec = __webpack_require__(57954);
elliptic.eddsa = __webpack_require__(65980);


/***/ }),

/***/ 4918:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);
var utils = __webpack_require__(80953);
var getNAF = utils.getNAF;
var getJSF = utils.getJSF;
var assert = utils.assert;

function BaseCurve(type, conf) {
  this.type = type;
  this.p = new BN(conf.p, 16);

  // Use Montgomery, when there is no fast reduction for the prime
  this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);

  // Useful for many curves
  this.zero = new BN(0).toRed(this.red);
  this.one = new BN(1).toRed(this.red);
  this.two = new BN(2).toRed(this.red);

  // Curve configuration, optional
  this.n = conf.n && new BN(conf.n, 16);
  this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);

  // Temporary arrays
  this._wnafT1 = new Array(4);
  this._wnafT2 = new Array(4);
  this._wnafT3 = new Array(4);
  this._wnafT4 = new Array(4);

  this._bitLength = this.n ? this.n.bitLength() : 0;

  // Generalized Greg Maxwell's trick
  var adjustCount = this.n && this.p.div(this.n);
  if (!adjustCount || adjustCount.cmpn(100) > 0) {
    this.redN = null;
  } else {
    this._maxwellTrick = true;
    this.redN = this.n.toRed(this.red);
  }
}
module.exports = BaseCurve;

BaseCurve.prototype.point = function point() {
  throw new Error('Not implemented');
};

BaseCurve.prototype.validate = function validate() {
  throw new Error('Not implemented');
};

BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
  assert(p.precomputed);
  var doubles = p._getDoubles();

  var naf = getNAF(k, 1, this._bitLength);
  var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
  I /= 3;

  // Translate into more windowed form
  var repr = [];
  var j;
  var nafW;
  for (j = 0; j < naf.length; j += doubles.step) {
    nafW = 0;
    for (var l = j + doubles.step - 1; l >= j; l--)
      nafW = (nafW << 1) + naf[l];
    repr.push(nafW);
  }

  var a = this.jpoint(null, null, null);
  var b = this.jpoint(null, null, null);
  for (var i = I; i > 0; i--) {
    for (j = 0; j < repr.length; j++) {
      nafW = repr[j];
      if (nafW === i)
        b = b.mixedAdd(doubles.points[j]);
      else if (nafW === -i)
        b = b.mixedAdd(doubles.points[j].neg());
    }
    a = a.add(b);
  }
  return a.toP();
};

BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
  var w = 4;

  // Precompute window
  var nafPoints = p._getNAFPoints(w);
  w = nafPoints.wnd;
  var wnd = nafPoints.points;

  // Get NAF form
  var naf = getNAF(k, w, this._bitLength);

  // Add `this`*(N+1) for every w-NAF index
  var acc = this.jpoint(null, null, null);
  for (var i = naf.length - 1; i >= 0; i--) {
    // Count zeroes
    for (var l = 0; i >= 0 && naf[i] === 0; i--)
      l++;
    if (i >= 0)
      l++;
    acc = acc.dblp(l);

    if (i < 0)
      break;
    var z = naf[i];
    assert(z !== 0);
    if (p.type === 'affine') {
      // J +- P
      if (z > 0)
        acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
      else
        acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
    } else {
      // J +- J
      if (z > 0)
        acc = acc.add(wnd[(z - 1) >> 1]);
      else
        acc = acc.add(wnd[(-z - 1) >> 1].neg());
    }
  }
  return p.type === 'affine' ? acc.toP() : acc;
};

BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
  points,
  coeffs,
  len,
  jacobianResult) {
  var wndWidth = this._wnafT1;
  var wnd = this._wnafT2;
  var naf = this._wnafT3;

  // Fill all arrays
  var max = 0;
  var i;
  var j;
  var p;
  for (i = 0; i < len; i++) {
    p = points[i];
    var nafPoints = p._getNAFPoints(defW);
    wndWidth[i] = nafPoints.wnd;
    wnd[i] = nafPoints.points;
  }

  // Comb small window NAFs
  for (i = len - 1; i >= 1; i -= 2) {
    var a = i - 1;
    var b = i;
    if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
      naf[a] = getNAF(coeffs[a], wndWidth[a], this._bitLength);
      naf[b] = getNAF(coeffs[b], wndWidth[b], this._bitLength);
      max = Math.max(naf[a].length, max);
      max = Math.max(naf[b].length, max);
      continue;
    }

    var comb = [
      points[a], /* 1 */
      null, /* 3 */
      null, /* 5 */
      points[b], /* 7 */
    ];

    // Try to avoid Projective points, if possible
    if (points[a].y.cmp(points[b].y) === 0) {
      comb[1] = points[a].add(points[b]);
      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
    } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
      comb[1] = points[a].toJ().mixedAdd(points[b]);
      comb[2] = points[a].add(points[b].neg());
    } else {
      comb[1] = points[a].toJ().mixedAdd(points[b]);
      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
    }

    var index = [
      -3, /* -1 -1 */
      -1, /* -1 0 */
      -5, /* -1 1 */
      -7, /* 0 -1 */
      0, /* 0 0 */
      7, /* 0 1 */
      5, /* 1 -1 */
      1, /* 1 0 */
      3,  /* 1 1 */
    ];

    var jsf = getJSF(coeffs[a], coeffs[b]);
    max = Math.max(jsf[0].length, max);
    naf[a] = new Array(max);
    naf[b] = new Array(max);
    for (j = 0; j < max; j++) {
      var ja = jsf[0][j] | 0;
      var jb = jsf[1][j] | 0;

      naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
      naf[b][j] = 0;
      wnd[a] = comb;
    }
  }

  var acc = this.jpoint(null, null, null);
  var tmp = this._wnafT4;
  for (i = max; i >= 0; i--) {
    var k = 0;

    while (i >= 0) {
      var zero = true;
      for (j = 0; j < len; j++) {
        tmp[j] = naf[j][i] | 0;
        if (tmp[j] !== 0)
          zero = false;
      }
      if (!zero)
        break;
      k++;
      i--;
    }
    if (i >= 0)
      k++;
    acc = acc.dblp(k);
    if (i < 0)
      break;

    for (j = 0; j < len; j++) {
      var z = tmp[j];
      p;
      if (z === 0)
        continue;
      else if (z > 0)
        p = wnd[j][(z - 1) >> 1];
      else if (z < 0)
        p = wnd[j][(-z - 1) >> 1].neg();

      if (p.type === 'affine')
        acc = acc.mixedAdd(p);
      else
        acc = acc.add(p);
    }
  }
  // Zeroify references
  for (i = 0; i < len; i++)
    wnd[i] = null;

  if (jacobianResult)
    return acc;
  else
    return acc.toP();
};

function BasePoint(curve, type) {
  this.curve = curve;
  this.type = type;
  this.precomputed = null;
}
BaseCurve.BasePoint = BasePoint;

BasePoint.prototype.eq = function eq(/*other*/) {
  throw new Error('Not implemented');
};

BasePoint.prototype.validate = function validate() {
  return this.curve.validate(this);
};

BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
  bytes = utils.toArray(bytes, enc);

  var len = this.p.byteLength();

  // uncompressed, hybrid-odd, hybrid-even
  if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
      bytes.length - 1 === 2 * len) {
    if (bytes[0] === 0x06)
      assert(bytes[bytes.length - 1] % 2 === 0);
    else if (bytes[0] === 0x07)
      assert(bytes[bytes.length - 1] % 2 === 1);

    var res =  this.point(bytes.slice(1, 1 + len),
      bytes.slice(1 + len, 1 + 2 * len));

    return res;
  } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
              bytes.length - 1 === len) {
    return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
  }
  throw new Error('Unknown point format');
};

BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
  return this.encode(enc, true);
};

BasePoint.prototype._encode = function _encode(compact) {
  var len = this.curve.p.byteLength();
  var x = this.getX().toArray('be', len);

  if (compact)
    return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);

  return [ 0x04 ].concat(x, this.getY().toArray('be', len));
};

BasePoint.prototype.encode = function encode(enc, compact) {
  return utils.encode(this._encode(compact), enc);
};

BasePoint.prototype.precompute = function precompute(power) {
  if (this.precomputed)
    return this;

  var precomputed = {
    doubles: null,
    naf: null,
    beta: null,
  };
  precomputed.naf = this._getNAFPoints(8);
  precomputed.doubles = this._getDoubles(4, power);
  precomputed.beta = this._getBeta();
  this.precomputed = precomputed;

  return this;
};

BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
  if (!this.precomputed)
    return false;

  var doubles = this.precomputed.doubles;
  if (!doubles)
    return false;

  return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
};

BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
  if (this.precomputed && this.precomputed.doubles)
    return this.precomputed.doubles;

  var doubles = [ this ];
  var acc = this;
  for (var i = 0; i < power; i += step) {
    for (var j = 0; j < step; j++)
      acc = acc.dbl();
    doubles.push(acc);
  }
  return {
    step: step,
    points: doubles,
  };
};

BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
  if (this.precomputed && this.precomputed.naf)
    return this.precomputed.naf;

  var res = [ this ];
  var max = (1 << wnd) - 1;
  var dbl = max === 1 ? null : this.dbl();
  for (var i = 1; i < max; i++)
    res[i] = res[i - 1].add(dbl);
  return {
    wnd: wnd,
    points: res,
  };
};

BasePoint.prototype._getBeta = function _getBeta() {
  return null;
};

BasePoint.prototype.dblp = function dblp(k) {
  var r = this;
  for (var i = 0; i < k; i++)
    r = r.dbl();
  return r;
};


/***/ }),

/***/ 31138:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(80953);
var BN = __webpack_require__(73785);
var inherits = __webpack_require__(35717);
var Base = __webpack_require__(4918);

var assert = utils.assert;

function EdwardsCurve(conf) {
  // NOTE: Important as we are creating point in Base.call()
  this.twisted = (conf.a | 0) !== 1;
  this.mOneA = this.twisted && (conf.a | 0) === -1;
  this.extended = this.mOneA;

  Base.call(this, 'edwards', conf);

  this.a = new BN(conf.a, 16).umod(this.red.m);
  this.a = this.a.toRed(this.red);
  this.c = new BN(conf.c, 16).toRed(this.red);
  this.c2 = this.c.redSqr();
  this.d = new BN(conf.d, 16).toRed(this.red);
  this.dd = this.d.redAdd(this.d);

  assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
  this.oneC = (conf.c | 0) === 1;
}
inherits(EdwardsCurve, Base);
module.exports = EdwardsCurve;

EdwardsCurve.prototype._mulA = function _mulA(num) {
  if (this.mOneA)
    return num.redNeg();
  else
    return this.a.redMul(num);
};

EdwardsCurve.prototype._mulC = function _mulC(num) {
  if (this.oneC)
    return num;
  else
    return this.c.redMul(num);
};

// Just for compatibility with Short curve
EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
  return this.point(x, y, z, t);
};

EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
  x = new BN(x, 16);
  if (!x.red)
    x = x.toRed(this.red);

  var x2 = x.redSqr();
  var rhs = this.c2.redSub(this.a.redMul(x2));
  var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));

  var y2 = rhs.redMul(lhs.redInvm());
  var y = y2.redSqrt();
  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
    throw new Error('invalid point');

  var isOdd = y.fromRed().isOdd();
  if (odd && !isOdd || !odd && isOdd)
    y = y.redNeg();

  return this.point(x, y);
};

EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
  y = new BN(y, 16);
  if (!y.red)
    y = y.toRed(this.red);

  // x^2 = (y^2 - c^2) / (c^2 d y^2 - a)
  var y2 = y.redSqr();
  var lhs = y2.redSub(this.c2);
  var rhs = y2.redMul(this.d).redMul(this.c2).redSub(this.a);
  var x2 = lhs.redMul(rhs.redInvm());

  if (x2.cmp(this.zero) === 0) {
    if (odd)
      throw new Error('invalid point');
    else
      return this.point(this.zero, y);
  }

  var x = x2.redSqrt();
  if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
    throw new Error('invalid point');

  if (x.fromRed().isOdd() !== odd)
    x = x.redNeg();

  return this.point(x, y);
};

EdwardsCurve.prototype.validate = function validate(point) {
  if (point.isInfinity())
    return true;

  // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
  point.normalize();

  var x2 = point.x.redSqr();
  var y2 = point.y.redSqr();
  var lhs = x2.redMul(this.a).redAdd(y2);
  var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));

  return lhs.cmp(rhs) === 0;
};

function Point(curve, x, y, z, t) {
  Base.BasePoint.call(this, curve, 'projective');
  if (x === null && y === null && z === null) {
    this.x = this.curve.zero;
    this.y = this.curve.one;
    this.z = this.curve.one;
    this.t = this.curve.zero;
    this.zOne = true;
  } else {
    this.x = new BN(x, 16);
    this.y = new BN(y, 16);
    this.z = z ? new BN(z, 16) : this.curve.one;
    this.t = t && new BN(t, 16);
    if (!this.x.red)
      this.x = this.x.toRed(this.curve.red);
    if (!this.y.red)
      this.y = this.y.toRed(this.curve.red);
    if (!this.z.red)
      this.z = this.z.toRed(this.curve.red);
    if (this.t && !this.t.red)
      this.t = this.t.toRed(this.curve.red);
    this.zOne = this.z === this.curve.one;

    // Use extended coordinates
    if (this.curve.extended && !this.t) {
      this.t = this.x.redMul(this.y);
      if (!this.zOne)
        this.t = this.t.redMul(this.z.redInvm());
    }
  }
}
inherits(Point, Base.BasePoint);

EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
  return Point.fromJSON(this, obj);
};

EdwardsCurve.prototype.point = function point(x, y, z, t) {
  return new Point(this, x, y, z, t);
};

Point.fromJSON = function fromJSON(curve, obj) {
  return new Point(curve, obj[0], obj[1], obj[2]);
};

Point.prototype.inspect = function inspect() {
  if (this.isInfinity())
    return '<EC Point Infinity>';
  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
      ' y: ' + this.y.fromRed().toString(16, 2) +
      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
};

Point.prototype.isInfinity = function isInfinity() {
  // XXX This code assumes that zero is always zero in red
  return this.x.cmpn(0) === 0 &&
    (this.y.cmp(this.z) === 0 ||
    (this.zOne && this.y.cmp(this.curve.c) === 0));
};

Point.prototype._extDbl = function _extDbl() {
  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
  //     #doubling-dbl-2008-hwcd
  // 4M + 4S

  // A = X1^2
  var a = this.x.redSqr();
  // B = Y1^2
  var b = this.y.redSqr();
  // C = 2 * Z1^2
  var c = this.z.redSqr();
  c = c.redIAdd(c);
  // D = a * A
  var d = this.curve._mulA(a);
  // E = (X1 + Y1)^2 - A - B
  var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
  // G = D + B
  var g = d.redAdd(b);
  // F = G - C
  var f = g.redSub(c);
  // H = D - B
  var h = d.redSub(b);
  // X3 = E * F
  var nx = e.redMul(f);
  // Y3 = G * H
  var ny = g.redMul(h);
  // T3 = E * H
  var nt = e.redMul(h);
  // Z3 = F * G
  var nz = f.redMul(g);
  return this.curve.point(nx, ny, nz, nt);
};

Point.prototype._projDbl = function _projDbl() {
  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
  //     #doubling-dbl-2008-bbjlp
  //     #doubling-dbl-2007-bl
  // and others
  // Generally 3M + 4S or 2M + 4S

  // B = (X1 + Y1)^2
  var b = this.x.redAdd(this.y).redSqr();
  // C = X1^2
  var c = this.x.redSqr();
  // D = Y1^2
  var d = this.y.redSqr();

  var nx;
  var ny;
  var nz;
  var e;
  var h;
  var j;
  if (this.curve.twisted) {
    // E = a * C
    e = this.curve._mulA(c);
    // F = E + D
    var f = e.redAdd(d);
    if (this.zOne) {
      // X3 = (B - C - D) * (F - 2)
      nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
      // Y3 = F * (E - D)
      ny = f.redMul(e.redSub(d));
      // Z3 = F^2 - 2 * F
      nz = f.redSqr().redSub(f).redSub(f);
    } else {
      // H = Z1^2
      h = this.z.redSqr();
      // J = F - 2 * H
      j = f.redSub(h).redISub(h);
      // X3 = (B-C-D)*J
      nx = b.redSub(c).redISub(d).redMul(j);
      // Y3 = F * (E - D)
      ny = f.redMul(e.redSub(d));
      // Z3 = F * J
      nz = f.redMul(j);
    }
  } else {
    // E = C + D
    e = c.redAdd(d);
    // H = (c * Z1)^2
    h = this.curve._mulC(this.z).redSqr();
    // J = E - 2 * H
    j = e.redSub(h).redSub(h);
    // X3 = c * (B - E) * J
    nx = this.curve._mulC(b.redISub(e)).redMul(j);
    // Y3 = c * E * (C - D)
    ny = this.curve._mulC(e).redMul(c.redISub(d));
    // Z3 = E * J
    nz = e.redMul(j);
  }
  return this.curve.point(nx, ny, nz);
};

Point.prototype.dbl = function dbl() {
  if (this.isInfinity())
    return this;

  // Double in extended coordinates
  if (this.curve.extended)
    return this._extDbl();
  else
    return this._projDbl();
};

Point.prototype._extAdd = function _extAdd(p) {
  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
  //     #addition-add-2008-hwcd-3
  // 8M

  // A = (Y1 - X1) * (Y2 - X2)
  var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
  // B = (Y1 + X1) * (Y2 + X2)
  var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
  // C = T1 * k * T2
  var c = this.t.redMul(this.curve.dd).redMul(p.t);
  // D = Z1 * 2 * Z2
  var d = this.z.redMul(p.z.redAdd(p.z));
  // E = B - A
  var e = b.redSub(a);
  // F = D - C
  var f = d.redSub(c);
  // G = D + C
  var g = d.redAdd(c);
  // H = B + A
  var h = b.redAdd(a);
  // X3 = E * F
  var nx = e.redMul(f);
  // Y3 = G * H
  var ny = g.redMul(h);
  // T3 = E * H
  var nt = e.redMul(h);
  // Z3 = F * G
  var nz = f.redMul(g);
  return this.curve.point(nx, ny, nz, nt);
};

Point.prototype._projAdd = function _projAdd(p) {
  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
  //     #addition-add-2008-bbjlp
  //     #addition-add-2007-bl
  // 10M + 1S

  // A = Z1 * Z2
  var a = this.z.redMul(p.z);
  // B = A^2
  var b = a.redSqr();
  // C = X1 * X2
  var c = this.x.redMul(p.x);
  // D = Y1 * Y2
  var d = this.y.redMul(p.y);
  // E = d * C * D
  var e = this.curve.d.redMul(c).redMul(d);
  // F = B - E
  var f = b.redSub(e);
  // G = B + E
  var g = b.redAdd(e);
  // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
  var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
  var nx = a.redMul(f).redMul(tmp);
  var ny;
  var nz;
  if (this.curve.twisted) {
    // Y3 = A * G * (D - a * C)
    ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
    // Z3 = F * G
    nz = f.redMul(g);
  } else {
    // Y3 = A * G * (D - C)
    ny = a.redMul(g).redMul(d.redSub(c));
    // Z3 = c * F * G
    nz = this.curve._mulC(f).redMul(g);
  }
  return this.curve.point(nx, ny, nz);
};

Point.prototype.add = function add(p) {
  if (this.isInfinity())
    return p;
  if (p.isInfinity())
    return this;

  if (this.curve.extended)
    return this._extAdd(p);
  else
    return this._projAdd(p);
};

Point.prototype.mul = function mul(k) {
  if (this._hasDoubles(k))
    return this.curve._fixedNafMul(this, k);
  else
    return this.curve._wnafMul(this, k);
};

Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
};

Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
};

Point.prototype.normalize = function normalize() {
  if (this.zOne)
    return this;

  // Normalize coordinates
  var zi = this.z.redInvm();
  this.x = this.x.redMul(zi);
  this.y = this.y.redMul(zi);
  if (this.t)
    this.t = this.t.redMul(zi);
  this.z = this.curve.one;
  this.zOne = true;
  return this;
};

Point.prototype.neg = function neg() {
  return this.curve.point(this.x.redNeg(),
    this.y,
    this.z,
    this.t && this.t.redNeg());
};

Point.prototype.getX = function getX() {
  this.normalize();
  return this.x.fromRed();
};

Point.prototype.getY = function getY() {
  this.normalize();
  return this.y.fromRed();
};

Point.prototype.eq = function eq(other) {
  return this === other ||
         this.getX().cmp(other.getX()) === 0 &&
         this.getY().cmp(other.getY()) === 0;
};

Point.prototype.eqXToP = function eqXToP(x) {
  var rx = x.toRed(this.curve.red).redMul(this.z);
  if (this.x.cmp(rx) === 0)
    return true;

  var xc = x.clone();
  var t = this.curve.redN.redMul(this.z);
  for (;;) {
    xc.iadd(this.curve.n);
    if (xc.cmp(this.curve.p) >= 0)
      return false;

    rx.redIAdd(t);
    if (this.x.cmp(rx) === 0)
      return true;
  }
};

// Compatibility with BaseCurve
Point.prototype.toP = Point.prototype.normalize;
Point.prototype.mixedAdd = Point.prototype.add;


/***/ }),

/***/ 88254:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var curve = exports;

curve.base = __webpack_require__(4918);
curve.short = __webpack_require__(6673);
curve.mont = __webpack_require__(22881);
curve.edwards = __webpack_require__(31138);


/***/ }),

/***/ 22881:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);
var inherits = __webpack_require__(35717);
var Base = __webpack_require__(4918);

var utils = __webpack_require__(80953);

function MontCurve(conf) {
  Base.call(this, 'mont', conf);

  this.a = new BN(conf.a, 16).toRed(this.red);
  this.b = new BN(conf.b, 16).toRed(this.red);
  this.i4 = new BN(4).toRed(this.red).redInvm();
  this.two = new BN(2).toRed(this.red);
  this.a24 = this.i4.redMul(this.a.redAdd(this.two));
}
inherits(MontCurve, Base);
module.exports = MontCurve;

MontCurve.prototype.validate = function validate(point) {
  var x = point.normalize().x;
  var x2 = x.redSqr();
  var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
  var y = rhs.redSqrt();

  return y.redSqr().cmp(rhs) === 0;
};

function Point(curve, x, z) {
  Base.BasePoint.call(this, curve, 'projective');
  if (x === null && z === null) {
    this.x = this.curve.one;
    this.z = this.curve.zero;
  } else {
    this.x = new BN(x, 16);
    this.z = new BN(z, 16);
    if (!this.x.red)
      this.x = this.x.toRed(this.curve.red);
    if (!this.z.red)
      this.z = this.z.toRed(this.curve.red);
  }
}
inherits(Point, Base.BasePoint);

MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
  return this.point(utils.toArray(bytes, enc), 1);
};

MontCurve.prototype.point = function point(x, z) {
  return new Point(this, x, z);
};

MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
  return Point.fromJSON(this, obj);
};

Point.prototype.precompute = function precompute() {
  // No-op
};

Point.prototype._encode = function _encode() {
  return this.getX().toArray('be', this.curve.p.byteLength());
};

Point.fromJSON = function fromJSON(curve, obj) {
  return new Point(curve, obj[0], obj[1] || curve.one);
};

Point.prototype.inspect = function inspect() {
  if (this.isInfinity())
    return '<EC Point Infinity>';
  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
};

Point.prototype.isInfinity = function isInfinity() {
  // XXX This code assumes that zero is always zero in red
  return this.z.cmpn(0) === 0;
};

Point.prototype.dbl = function dbl() {
  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
  // 2M + 2S + 4A

  // A = X1 + Z1
  var a = this.x.redAdd(this.z);
  // AA = A^2
  var aa = a.redSqr();
  // B = X1 - Z1
  var b = this.x.redSub(this.z);
  // BB = B^2
  var bb = b.redSqr();
  // C = AA - BB
  var c = aa.redSub(bb);
  // X3 = AA * BB
  var nx = aa.redMul(bb);
  // Z3 = C * (BB + A24 * C)
  var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
  return this.curve.point(nx, nz);
};

Point.prototype.add = function add() {
  throw new Error('Not supported on Montgomery curve');
};

Point.prototype.diffAdd = function diffAdd(p, diff) {
  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
  // 4M + 2S + 6A

  // A = X2 + Z2
  var a = this.x.redAdd(this.z);
  // B = X2 - Z2
  var b = this.x.redSub(this.z);
  // C = X3 + Z3
  var c = p.x.redAdd(p.z);
  // D = X3 - Z3
  var d = p.x.redSub(p.z);
  // DA = D * A
  var da = d.redMul(a);
  // CB = C * B
  var cb = c.redMul(b);
  // X5 = Z1 * (DA + CB)^2
  var nx = diff.z.redMul(da.redAdd(cb).redSqr());
  // Z5 = X1 * (DA - CB)^2
  var nz = diff.x.redMul(da.redISub(cb).redSqr());
  return this.curve.point(nx, nz);
};

Point.prototype.mul = function mul(k) {
  var t = k.clone();
  var a = this; // (N / 2) * Q + Q
  var b = this.curve.point(null, null); // (N / 2) * Q
  var c = this; // Q

  for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
    bits.push(t.andln(1));

  for (var i = bits.length - 1; i >= 0; i--) {
    if (bits[i] === 0) {
      // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
      a = a.diffAdd(b, c);
      // N * Q = 2 * ((N / 2) * Q + Q))
      b = b.dbl();
    } else {
      // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
      b = a.diffAdd(b, c);
      // N * Q + Q = 2 * ((N / 2) * Q + Q)
      a = a.dbl();
    }
  }
  return b;
};

Point.prototype.mulAdd = function mulAdd() {
  throw new Error('Not supported on Montgomery curve');
};

Point.prototype.jumlAdd = function jumlAdd() {
  throw new Error('Not supported on Montgomery curve');
};

Point.prototype.eq = function eq(other) {
  return this.getX().cmp(other.getX()) === 0;
};

Point.prototype.normalize = function normalize() {
  this.x = this.x.redMul(this.z.redInvm());
  this.z = this.curve.one;
  return this;
};

Point.prototype.getX = function getX() {
  // Normalize coordinates
  this.normalize();

  return this.x.fromRed();
};


/***/ }),

/***/ 6673:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(80953);
var BN = __webpack_require__(73785);
var inherits = __webpack_require__(35717);
var Base = __webpack_require__(4918);

var assert = utils.assert;

function ShortCurve(conf) {
  Base.call(this, 'short', conf);

  this.a = new BN(conf.a, 16).toRed(this.red);
  this.b = new BN(conf.b, 16).toRed(this.red);
  this.tinv = this.two.redInvm();

  this.zeroA = this.a.fromRed().cmpn(0) === 0;
  this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;

  // If the curve is endomorphic, precalculate beta and lambda
  this.endo = this._getEndomorphism(conf);
  this._endoWnafT1 = new Array(4);
  this._endoWnafT2 = new Array(4);
}
inherits(ShortCurve, Base);
module.exports = ShortCurve;

ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
  // No efficient endomorphism
  if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
    return;

  // Compute beta and lambda, that lambda * P = (beta * Px; Py)
  var beta;
  var lambda;
  if (conf.beta) {
    beta = new BN(conf.beta, 16).toRed(this.red);
  } else {
    var betas = this._getEndoRoots(this.p);
    // Choose the smallest beta
    beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
    beta = beta.toRed(this.red);
  }
  if (conf.lambda) {
    lambda = new BN(conf.lambda, 16);
  } else {
    // Choose the lambda that is matching selected beta
    var lambdas = this._getEndoRoots(this.n);
    if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
      lambda = lambdas[0];
    } else {
      lambda = lambdas[1];
      assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
    }
  }

  // Get basis vectors, used for balanced length-two representation
  var basis;
  if (conf.basis) {
    basis = conf.basis.map(function(vec) {
      return {
        a: new BN(vec.a, 16),
        b: new BN(vec.b, 16),
      };
    });
  } else {
    basis = this._getEndoBasis(lambda);
  }

  return {
    beta: beta,
    lambda: lambda,
    basis: basis,
  };
};

ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
  // Find roots of for x^2 + x + 1 in F
  // Root = (-1 +- Sqrt(-3)) / 2
  //
  var red = num === this.p ? this.red : BN.mont(num);
  var tinv = new BN(2).toRed(red).redInvm();
  var ntinv = tinv.redNeg();

  var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);

  var l1 = ntinv.redAdd(s).fromRed();
  var l2 = ntinv.redSub(s).fromRed();
  return [ l1, l2 ];
};

ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
  // aprxSqrt >= sqrt(this.n)
  var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));

  // 3.74
  // Run EGCD, until r(L + 1) < aprxSqrt
  var u = lambda;
  var v = this.n.clone();
  var x1 = new BN(1);
  var y1 = new BN(0);
  var x2 = new BN(0);
  var y2 = new BN(1);

  // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
  var a0;
  var b0;
  // First vector
  var a1;
  var b1;
  // Second vector
  var a2;
  var b2;

  var prevR;
  var i = 0;
  var r;
  var x;
  while (u.cmpn(0) !== 0) {
    var q = v.div(u);
    r = v.sub(q.mul(u));
    x = x2.sub(q.mul(x1));
    var y = y2.sub(q.mul(y1));

    if (!a1 && r.cmp(aprxSqrt) < 0) {
      a0 = prevR.neg();
      b0 = x1;
      a1 = r.neg();
      b1 = x;
    } else if (a1 && ++i === 2) {
      break;
    }
    prevR = r;

    v = u;
    u = r;
    x2 = x1;
    x1 = x;
    y2 = y1;
    y1 = y;
  }
  a2 = r.neg();
  b2 = x;

  var len1 = a1.sqr().add(b1.sqr());
  var len2 = a2.sqr().add(b2.sqr());
  if (len2.cmp(len1) >= 0) {
    a2 = a0;
    b2 = b0;
  }

  // Normalize signs
  if (a1.negative) {
    a1 = a1.neg();
    b1 = b1.neg();
  }
  if (a2.negative) {
    a2 = a2.neg();
    b2 = b2.neg();
  }

  return [
    { a: a1, b: b1 },
    { a: a2, b: b2 },
  ];
};

ShortCurve.prototype._endoSplit = function _endoSplit(k) {
  var basis = this.endo.basis;
  var v1 = basis[0];
  var v2 = basis[1];

  var c1 = v2.b.mul(k).divRound(this.n);
  var c2 = v1.b.neg().mul(k).divRound(this.n);

  var p1 = c1.mul(v1.a);
  var p2 = c2.mul(v2.a);
  var q1 = c1.mul(v1.b);
  var q2 = c2.mul(v2.b);

  // Calculate answer
  var k1 = k.sub(p1).sub(p2);
  var k2 = q1.add(q2).neg();
  return { k1: k1, k2: k2 };
};

ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
  x = new BN(x, 16);
  if (!x.red)
    x = x.toRed(this.red);

  var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
  var y = y2.redSqrt();
  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
    throw new Error('invalid point');

  // XXX Is there any way to tell if the number is odd without converting it
  // to non-red form?
  var isOdd = y.fromRed().isOdd();
  if (odd && !isOdd || !odd && isOdd)
    y = y.redNeg();

  return this.point(x, y);
};

ShortCurve.prototype.validate = function validate(point) {
  if (point.inf)
    return true;

  var x = point.x;
  var y = point.y;

  var ax = this.a.redMul(x);
  var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
  return y.redSqr().redISub(rhs).cmpn(0) === 0;
};

ShortCurve.prototype._endoWnafMulAdd =
    function _endoWnafMulAdd(points, coeffs, jacobianResult) {
      var npoints = this._endoWnafT1;
      var ncoeffs = this._endoWnafT2;
      for (var i = 0; i < points.length; i++) {
        var split = this._endoSplit(coeffs[i]);
        var p = points[i];
        var beta = p._getBeta();

        if (split.k1.negative) {
          split.k1.ineg();
          p = p.neg(true);
        }
        if (split.k2.negative) {
          split.k2.ineg();
          beta = beta.neg(true);
        }

        npoints[i * 2] = p;
        npoints[i * 2 + 1] = beta;
        ncoeffs[i * 2] = split.k1;
        ncoeffs[i * 2 + 1] = split.k2;
      }
      var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);

      // Clean-up references to points and coefficients
      for (var j = 0; j < i * 2; j++) {
        npoints[j] = null;
        ncoeffs[j] = null;
      }
      return res;
    };

function Point(curve, x, y, isRed) {
  Base.BasePoint.call(this, curve, 'affine');
  if (x === null && y === null) {
    this.x = null;
    this.y = null;
    this.inf = true;
  } else {
    this.x = new BN(x, 16);
    this.y = new BN(y, 16);
    // Force redgomery representation when loading from JSON
    if (isRed) {
      this.x.forceRed(this.curve.red);
      this.y.forceRed(this.curve.red);
    }
    if (!this.x.red)
      this.x = this.x.toRed(this.curve.red);
    if (!this.y.red)
      this.y = this.y.toRed(this.curve.red);
    this.inf = false;
  }
}
inherits(Point, Base.BasePoint);

ShortCurve.prototype.point = function point(x, y, isRed) {
  return new Point(this, x, y, isRed);
};

ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
  return Point.fromJSON(this, obj, red);
};

Point.prototype._getBeta = function _getBeta() {
  if (!this.curve.endo)
    return;

  var pre = this.precomputed;
  if (pre && pre.beta)
    return pre.beta;

  var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
  if (pre) {
    var curve = this.curve;
    var endoMul = function(p) {
      return curve.point(p.x.redMul(curve.endo.beta), p.y);
    };
    pre.beta = beta;
    beta.precomputed = {
      beta: null,
      naf: pre.naf && {
        wnd: pre.naf.wnd,
        points: pre.naf.points.map(endoMul),
      },
      doubles: pre.doubles && {
        step: pre.doubles.step,
        points: pre.doubles.points.map(endoMul),
      },
    };
  }
  return beta;
};

Point.prototype.toJSON = function toJSON() {
  if (!this.precomputed)
    return [ this.x, this.y ];

  return [ this.x, this.y, this.precomputed && {
    doubles: this.precomputed.doubles && {
      step: this.precomputed.doubles.step,
      points: this.precomputed.doubles.points.slice(1),
    },
    naf: this.precomputed.naf && {
      wnd: this.precomputed.naf.wnd,
      points: this.precomputed.naf.points.slice(1),
    },
  } ];
};

Point.fromJSON = function fromJSON(curve, obj, red) {
  if (typeof obj === 'string')
    obj = JSON.parse(obj);
  var res = curve.point(obj[0], obj[1], red);
  if (!obj[2])
    return res;

  function obj2point(obj) {
    return curve.point(obj[0], obj[1], red);
  }

  var pre = obj[2];
  res.precomputed = {
    beta: null,
    doubles: pre.doubles && {
      step: pre.doubles.step,
      points: [ res ].concat(pre.doubles.points.map(obj2point)),
    },
    naf: pre.naf && {
      wnd: pre.naf.wnd,
      points: [ res ].concat(pre.naf.points.map(obj2point)),
    },
  };
  return res;
};

Point.prototype.inspect = function inspect() {
  if (this.isInfinity())
    return '<EC Point Infinity>';
  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
      ' y: ' + this.y.fromRed().toString(16, 2) + '>';
};

Point.prototype.isInfinity = function isInfinity() {
  return this.inf;
};

Point.prototype.add = function add(p) {
  // O + P = P
  if (this.inf)
    return p;

  // P + O = P
  if (p.inf)
    return this;

  // P + P = 2P
  if (this.eq(p))
    return this.dbl();

  // P + (-P) = O
  if (this.neg().eq(p))
    return this.curve.point(null, null);

  // P + Q = O
  if (this.x.cmp(p.x) === 0)
    return this.curve.point(null, null);

  var c = this.y.redSub(p.y);
  if (c.cmpn(0) !== 0)
    c = c.redMul(this.x.redSub(p.x).redInvm());
  var nx = c.redSqr().redISub(this.x).redISub(p.x);
  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
  return this.curve.point(nx, ny);
};

Point.prototype.dbl = function dbl() {
  if (this.inf)
    return this;

  // 2P = O
  var ys1 = this.y.redAdd(this.y);
  if (ys1.cmpn(0) === 0)
    return this.curve.point(null, null);

  var a = this.curve.a;

  var x2 = this.x.redSqr();
  var dyinv = ys1.redInvm();
  var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);

  var nx = c.redSqr().redISub(this.x.redAdd(this.x));
  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
  return this.curve.point(nx, ny);
};

Point.prototype.getX = function getX() {
  return this.x.fromRed();
};

Point.prototype.getY = function getY() {
  return this.y.fromRed();
};

Point.prototype.mul = function mul(k) {
  k = new BN(k, 16);
  if (this.isInfinity())
    return this;
  else if (this._hasDoubles(k))
    return this.curve._fixedNafMul(this, k);
  else if (this.curve.endo)
    return this.curve._endoWnafMulAdd([ this ], [ k ]);
  else
    return this.curve._wnafMul(this, k);
};

Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
  var points = [ this, p2 ];
  var coeffs = [ k1, k2 ];
  if (this.curve.endo)
    return this.curve._endoWnafMulAdd(points, coeffs);
  else
    return this.curve._wnafMulAdd(1, points, coeffs, 2);
};

Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
  var points = [ this, p2 ];
  var coeffs = [ k1, k2 ];
  if (this.curve.endo)
    return this.curve._endoWnafMulAdd(points, coeffs, true);
  else
    return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
};

Point.prototype.eq = function eq(p) {
  return this === p ||
         this.inf === p.inf &&
             (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
};

Point.prototype.neg = function neg(_precompute) {
  if (this.inf)
    return this;

  var res = this.curve.point(this.x, this.y.redNeg());
  if (_precompute && this.precomputed) {
    var pre = this.precomputed;
    var negate = function(p) {
      return p.neg();
    };
    res.precomputed = {
      naf: pre.naf && {
        wnd: pre.naf.wnd,
        points: pre.naf.points.map(negate),
      },
      doubles: pre.doubles && {
        step: pre.doubles.step,
        points: pre.doubles.points.map(negate),
      },
    };
  }
  return res;
};

Point.prototype.toJ = function toJ() {
  if (this.inf)
    return this.curve.jpoint(null, null, null);

  var res = this.curve.jpoint(this.x, this.y, this.curve.one);
  return res;
};

function JPoint(curve, x, y, z) {
  Base.BasePoint.call(this, curve, 'jacobian');
  if (x === null && y === null && z === null) {
    this.x = this.curve.one;
    this.y = this.curve.one;
    this.z = new BN(0);
  } else {
    this.x = new BN(x, 16);
    this.y = new BN(y, 16);
    this.z = new BN(z, 16);
  }
  if (!this.x.red)
    this.x = this.x.toRed(this.curve.red);
  if (!this.y.red)
    this.y = this.y.toRed(this.curve.red);
  if (!this.z.red)
    this.z = this.z.toRed(this.curve.red);

  this.zOne = this.z === this.curve.one;
}
inherits(JPoint, Base.BasePoint);

ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
  return new JPoint(this, x, y, z);
};

JPoint.prototype.toP = function toP() {
  if (this.isInfinity())
    return this.curve.point(null, null);

  var zinv = this.z.redInvm();
  var zinv2 = zinv.redSqr();
  var ax = this.x.redMul(zinv2);
  var ay = this.y.redMul(zinv2).redMul(zinv);

  return this.curve.point(ax, ay);
};

JPoint.prototype.neg = function neg() {
  return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
};

JPoint.prototype.add = function add(p) {
  // O + P = P
  if (this.isInfinity())
    return p;

  // P + O = P
  if (p.isInfinity())
    return this;

  // 12M + 4S + 7A
  var pz2 = p.z.redSqr();
  var z2 = this.z.redSqr();
  var u1 = this.x.redMul(pz2);
  var u2 = p.x.redMul(z2);
  var s1 = this.y.redMul(pz2.redMul(p.z));
  var s2 = p.y.redMul(z2.redMul(this.z));

  var h = u1.redSub(u2);
  var r = s1.redSub(s2);
  if (h.cmpn(0) === 0) {
    if (r.cmpn(0) !== 0)
      return this.curve.jpoint(null, null, null);
    else
      return this.dbl();
  }

  var h2 = h.redSqr();
  var h3 = h2.redMul(h);
  var v = u1.redMul(h2);

  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
  var nz = this.z.redMul(p.z).redMul(h);

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype.mixedAdd = function mixedAdd(p) {
  // O + P = P
  if (this.isInfinity())
    return p.toJ();

  // P + O = P
  if (p.isInfinity())
    return this;

  // 8M + 3S + 7A
  var z2 = this.z.redSqr();
  var u1 = this.x;
  var u2 = p.x.redMul(z2);
  var s1 = this.y;
  var s2 = p.y.redMul(z2).redMul(this.z);

  var h = u1.redSub(u2);
  var r = s1.redSub(s2);
  if (h.cmpn(0) === 0) {
    if (r.cmpn(0) !== 0)
      return this.curve.jpoint(null, null, null);
    else
      return this.dbl();
  }

  var h2 = h.redSqr();
  var h3 = h2.redMul(h);
  var v = u1.redMul(h2);

  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
  var nz = this.z.redMul(h);

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype.dblp = function dblp(pow) {
  if (pow === 0)
    return this;
  if (this.isInfinity())
    return this;
  if (!pow)
    return this.dbl();

  var i;
  if (this.curve.zeroA || this.curve.threeA) {
    var r = this;
    for (i = 0; i < pow; i++)
      r = r.dbl();
    return r;
  }

  // 1M + 2S + 1A + N * (4S + 5M + 8A)
  // N = 1 => 6M + 6S + 9A
  var a = this.curve.a;
  var tinv = this.curve.tinv;

  var jx = this.x;
  var jy = this.y;
  var jz = this.z;
  var jz4 = jz.redSqr().redSqr();

  // Reuse results
  var jyd = jy.redAdd(jy);
  for (i = 0; i < pow; i++) {
    var jx2 = jx.redSqr();
    var jyd2 = jyd.redSqr();
    var jyd4 = jyd2.redSqr();
    var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));

    var t1 = jx.redMul(jyd2);
    var nx = c.redSqr().redISub(t1.redAdd(t1));
    var t2 = t1.redISub(nx);
    var dny = c.redMul(t2);
    dny = dny.redIAdd(dny).redISub(jyd4);
    var nz = jyd.redMul(jz);
    if (i + 1 < pow)
      jz4 = jz4.redMul(jyd4);

    jx = nx;
    jz = nz;
    jyd = dny;
  }

  return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
};

JPoint.prototype.dbl = function dbl() {
  if (this.isInfinity())
    return this;

  if (this.curve.zeroA)
    return this._zeroDbl();
  else if (this.curve.threeA)
    return this._threeDbl();
  else
    return this._dbl();
};

JPoint.prototype._zeroDbl = function _zeroDbl() {
  var nx;
  var ny;
  var nz;
  // Z = 1
  if (this.zOne) {
    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
    //     #doubling-mdbl-2007-bl
    // 1M + 5S + 14A

    // XX = X1^2
    var xx = this.x.redSqr();
    // YY = Y1^2
    var yy = this.y.redSqr();
    // YYYY = YY^2
    var yyyy = yy.redSqr();
    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
    s = s.redIAdd(s);
    // M = 3 * XX + a; a = 0
    var m = xx.redAdd(xx).redIAdd(xx);
    // T = M ^ 2 - 2*S
    var t = m.redSqr().redISub(s).redISub(s);

    // 8 * YYYY
    var yyyy8 = yyyy.redIAdd(yyyy);
    yyyy8 = yyyy8.redIAdd(yyyy8);
    yyyy8 = yyyy8.redIAdd(yyyy8);

    // X3 = T
    nx = t;
    // Y3 = M * (S - T) - 8 * YYYY
    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
    // Z3 = 2*Y1
    nz = this.y.redAdd(this.y);
  } else {
    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
    //     #doubling-dbl-2009-l
    // 2M + 5S + 13A

    // A = X1^2
    var a = this.x.redSqr();
    // B = Y1^2
    var b = this.y.redSqr();
    // C = B^2
    var c = b.redSqr();
    // D = 2 * ((X1 + B)^2 - A - C)
    var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
    d = d.redIAdd(d);
    // E = 3 * A
    var e = a.redAdd(a).redIAdd(a);
    // F = E^2
    var f = e.redSqr();

    // 8 * C
    var c8 = c.redIAdd(c);
    c8 = c8.redIAdd(c8);
    c8 = c8.redIAdd(c8);

    // X3 = F - 2 * D
    nx = f.redISub(d).redISub(d);
    // Y3 = E * (D - X3) - 8 * C
    ny = e.redMul(d.redISub(nx)).redISub(c8);
    // Z3 = 2 * Y1 * Z1
    nz = this.y.redMul(this.z);
    nz = nz.redIAdd(nz);
  }

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype._threeDbl = function _threeDbl() {
  var nx;
  var ny;
  var nz;
  // Z = 1
  if (this.zOne) {
    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
    //     #doubling-mdbl-2007-bl
    // 1M + 5S + 15A

    // XX = X1^2
    var xx = this.x.redSqr();
    // YY = Y1^2
    var yy = this.y.redSqr();
    // YYYY = YY^2
    var yyyy = yy.redSqr();
    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
    s = s.redIAdd(s);
    // M = 3 * XX + a
    var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
    // T = M^2 - 2 * S
    var t = m.redSqr().redISub(s).redISub(s);
    // X3 = T
    nx = t;
    // Y3 = M * (S - T) - 8 * YYYY
    var yyyy8 = yyyy.redIAdd(yyyy);
    yyyy8 = yyyy8.redIAdd(yyyy8);
    yyyy8 = yyyy8.redIAdd(yyyy8);
    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
    // Z3 = 2 * Y1
    nz = this.y.redAdd(this.y);
  } else {
    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
    // 3M + 5S

    // delta = Z1^2
    var delta = this.z.redSqr();
    // gamma = Y1^2
    var gamma = this.y.redSqr();
    // beta = X1 * gamma
    var beta = this.x.redMul(gamma);
    // alpha = 3 * (X1 - delta) * (X1 + delta)
    var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
    alpha = alpha.redAdd(alpha).redIAdd(alpha);
    // X3 = alpha^2 - 8 * beta
    var beta4 = beta.redIAdd(beta);
    beta4 = beta4.redIAdd(beta4);
    var beta8 = beta4.redAdd(beta4);
    nx = alpha.redSqr().redISub(beta8);
    // Z3 = (Y1 + Z1)^2 - gamma - delta
    nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
    // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
    var ggamma8 = gamma.redSqr();
    ggamma8 = ggamma8.redIAdd(ggamma8);
    ggamma8 = ggamma8.redIAdd(ggamma8);
    ggamma8 = ggamma8.redIAdd(ggamma8);
    ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
  }

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype._dbl = function _dbl() {
  var a = this.curve.a;

  // 4M + 6S + 10A
  var jx = this.x;
  var jy = this.y;
  var jz = this.z;
  var jz4 = jz.redSqr().redSqr();

  var jx2 = jx.redSqr();
  var jy2 = jy.redSqr();

  var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));

  var jxd4 = jx.redAdd(jx);
  jxd4 = jxd4.redIAdd(jxd4);
  var t1 = jxd4.redMul(jy2);
  var nx = c.redSqr().redISub(t1.redAdd(t1));
  var t2 = t1.redISub(nx);

  var jyd8 = jy2.redSqr();
  jyd8 = jyd8.redIAdd(jyd8);
  jyd8 = jyd8.redIAdd(jyd8);
  jyd8 = jyd8.redIAdd(jyd8);
  var ny = c.redMul(t2).redISub(jyd8);
  var nz = jy.redAdd(jy).redMul(jz);

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype.trpl = function trpl() {
  if (!this.curve.zeroA)
    return this.dbl().add(this);

  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
  // 5M + 10S + ...

  // XX = X1^2
  var xx = this.x.redSqr();
  // YY = Y1^2
  var yy = this.y.redSqr();
  // ZZ = Z1^2
  var zz = this.z.redSqr();
  // YYYY = YY^2
  var yyyy = yy.redSqr();
  // M = 3 * XX + a * ZZ2; a = 0
  var m = xx.redAdd(xx).redIAdd(xx);
  // MM = M^2
  var mm = m.redSqr();
  // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
  var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
  e = e.redIAdd(e);
  e = e.redAdd(e).redIAdd(e);
  e = e.redISub(mm);
  // EE = E^2
  var ee = e.redSqr();
  // T = 16*YYYY
  var t = yyyy.redIAdd(yyyy);
  t = t.redIAdd(t);
  t = t.redIAdd(t);
  t = t.redIAdd(t);
  // U = (M + E)^2 - MM - EE - T
  var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
  // X3 = 4 * (X1 * EE - 4 * YY * U)
  var yyu4 = yy.redMul(u);
  yyu4 = yyu4.redIAdd(yyu4);
  yyu4 = yyu4.redIAdd(yyu4);
  var nx = this.x.redMul(ee).redISub(yyu4);
  nx = nx.redIAdd(nx);
  nx = nx.redIAdd(nx);
  // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
  var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
  ny = ny.redIAdd(ny);
  ny = ny.redIAdd(ny);
  ny = ny.redIAdd(ny);
  // Z3 = (Z1 + E)^2 - ZZ - EE
  var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);

  return this.curve.jpoint(nx, ny, nz);
};

JPoint.prototype.mul = function mul(k, kbase) {
  k = new BN(k, kbase);

  return this.curve._wnafMul(this, k);
};

JPoint.prototype.eq = function eq(p) {
  if (p.type === 'affine')
    return this.eq(p.toJ());

  if (this === p)
    return true;

  // x1 * z2^2 == x2 * z1^2
  var z2 = this.z.redSqr();
  var pz2 = p.z.redSqr();
  if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
    return false;

  // y1 * z2^3 == y2 * z1^3
  var z3 = z2.redMul(this.z);
  var pz3 = pz2.redMul(p.z);
  return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
};

JPoint.prototype.eqXToP = function eqXToP(x) {
  var zs = this.z.redSqr();
  var rx = x.toRed(this.curve.red).redMul(zs);
  if (this.x.cmp(rx) === 0)
    return true;

  var xc = x.clone();
  var t = this.curve.redN.redMul(zs);
  for (;;) {
    xc.iadd(this.curve.n);
    if (xc.cmp(this.curve.p) >= 0)
      return false;

    rx.redIAdd(t);
    if (this.x.cmp(rx) === 0)
      return true;
  }
};

JPoint.prototype.inspect = function inspect() {
  if (this.isInfinity())
    return '<EC JPoint Infinity>';
  return '<EC JPoint x: ' + this.x.toString(16, 2) +
      ' y: ' + this.y.toString(16, 2) +
      ' z: ' + this.z.toString(16, 2) + '>';
};

JPoint.prototype.isInfinity = function isInfinity() {
  // XXX This code assumes that zero is always zero in red
  return this.z.cmpn(0) === 0;
};


/***/ }),

/***/ 45427:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var curves = exports;

var hash = __webpack_require__(33715);
var curve = __webpack_require__(88254);
var utils = __webpack_require__(80953);

var assert = utils.assert;

function PresetCurve(options) {
  if (options.type === 'short')
    this.curve = new curve.short(options);
  else if (options.type === 'edwards')
    this.curve = new curve.edwards(options);
  else
    this.curve = new curve.mont(options);
  this.g = this.curve.g;
  this.n = this.curve.n;
  this.hash = options.hash;

  assert(this.g.validate(), 'Invalid curve');
  assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
}
curves.PresetCurve = PresetCurve;

function defineCurve(name, options) {
  Object.defineProperty(curves, name, {
    configurable: true,
    enumerable: true,
    get: function() {
      var curve = new PresetCurve(options);
      Object.defineProperty(curves, name, {
        configurable: true,
        enumerable: true,
        value: curve,
      });
      return curve;
    },
  });
}

defineCurve('p192', {
  type: 'short',
  prime: 'p192',
  p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
  b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
  n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
  hash: hash.sha256,
  gRed: false,
  g: [
    '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
    '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811',
  ],
});

defineCurve('p224', {
  type: 'short',
  prime: 'p224',
  p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
  b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
  n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
  hash: hash.sha256,
  gRed: false,
  g: [
    'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
    'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34',
  ],
});

defineCurve('p256', {
  type: 'short',
  prime: null,
  p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
  a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
  b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
  n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
  hash: hash.sha256,
  gRed: false,
  g: [
    '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5',
  ],
});

defineCurve('p384', {
  type: 'short',
  prime: null,
  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'fffffffe ffffffff 00000000 00000000 ffffffff',
  a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'fffffffe ffffffff 00000000 00000000 fffffffc',
  b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
     '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
  n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
     'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
  hash: hash.sha384,
  gRed: false,
  g: [
    'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
    '5502f25d bf55296c 3a545e38 72760ab7',
    '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
    '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f',
  ],
});

defineCurve('p521', {
  type: 'short',
  prime: null,
  p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'ffffffff ffffffff ffffffff ffffffff ffffffff',
  a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'ffffffff ffffffff ffffffff ffffffff fffffffc',
  b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
     '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
     '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
  n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
     'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
     'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
  hash: hash.sha512,
  gRed: false,
  g: [
    '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
    '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
    'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
    '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
    '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
    '3fad0761 353c7086 a272c240 88be9476 9fd16650',
  ],
});

defineCurve('curve25519', {
  type: 'mont',
  prime: 'p25519',
  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
  a: '76d06',
  b: '1',
  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
  hash: hash.sha256,
  gRed: false,
  g: [
    '9',
  ],
});

defineCurve('ed25519', {
  type: 'edwards',
  prime: 'p25519',
  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
  a: '-1',
  c: '1',
  // -121665 * (121666^(-1)) (mod P)
  d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
  hash: hash.sha256,
  gRed: false,
  g: [
    '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',

    // 4/5
    '6666666666666666666666666666666666666666666666666666666666666658',
  ],
});

var pre;
try {
  pre = __webpack_require__(91037);
} catch (e) {
  pre = undefined;
}

defineCurve('secp256k1', {
  type: 'short',
  prime: 'k256',
  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
  a: '0',
  b: '7',
  n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
  h: '1',
  hash: hash.sha256,

  // Precomputed endomorphism
  beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
  lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
  basis: [
    {
      a: '3086d221a7d46bcde86c90e49284eb15',
      b: '-e4437ed6010e88286f547fa90abfe4c3',
    },
    {
      a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
      b: '3086d221a7d46bcde86c90e49284eb15',
    },
  ],

  gRed: false,
  g: [
    '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
    '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
    pre,
  ],
});


/***/ }),

/***/ 57954:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);
var HmacDRBG = __webpack_require__(2156);
var utils = __webpack_require__(80953);
var curves = __webpack_require__(45427);
var rand = __webpack_require__(29931);
var assert = utils.assert;

var KeyPair = __webpack_require__(31251);
var Signature = __webpack_require__(90611);

function EC(options) {
  if (!(this instanceof EC))
    return new EC(options);

  // Shortcut `elliptic.ec(curve-name)`
  if (typeof options === 'string') {
    assert(Object.prototype.hasOwnProperty.call(curves, options),
      'Unknown curve ' + options);

    options = curves[options];
  }

  // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
  if (options instanceof curves.PresetCurve)
    options = { curve: options };

  this.curve = options.curve.curve;
  this.n = this.curve.n;
  this.nh = this.n.ushrn(1);
  this.g = this.curve.g;

  // Point on curve
  this.g = options.curve.g;
  this.g.precompute(options.curve.n.bitLength() + 1);

  // Hash for function for DRBG
  this.hash = options.hash || options.curve.hash;
}
module.exports = EC;

EC.prototype.keyPair = function keyPair(options) {
  return new KeyPair(this, options);
};

EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
  return KeyPair.fromPrivate(this, priv, enc);
};

EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
  return KeyPair.fromPublic(this, pub, enc);
};

EC.prototype.genKeyPair = function genKeyPair(options) {
  if (!options)
    options = {};

  // Instantiate Hmac_DRBG
  var drbg = new HmacDRBG({
    hash: this.hash,
    pers: options.pers,
    persEnc: options.persEnc || 'utf8',
    entropy: options.entropy || rand(this.hash.hmacStrength),
    entropyEnc: options.entropy && options.entropyEnc || 'utf8',
    nonce: this.n.toArray(),
  });

  var bytes = this.n.byteLength();
  var ns2 = this.n.sub(new BN(2));
  for (;;) {
    var priv = new BN(drbg.generate(bytes));
    if (priv.cmp(ns2) > 0)
      continue;

    priv.iaddn(1);
    return this.keyFromPrivate(priv);
  }
};

EC.prototype._truncateToN = function _truncateToN(msg, truncOnly) {
  var delta = msg.byteLength() * 8 - this.n.bitLength();
  if (delta > 0)
    msg = msg.ushrn(delta);
  if (!truncOnly && msg.cmp(this.n) >= 0)
    return msg.sub(this.n);
  else
    return msg;
};

EC.prototype.sign = function sign(msg, key, enc, options) {
  if (typeof enc === 'object') {
    options = enc;
    enc = null;
  }
  if (!options)
    options = {};

  key = this.keyFromPrivate(key, enc);
  msg = this._truncateToN(new BN(msg, 16));

  // Zero-extend key to provide enough entropy
  var bytes = this.n.byteLength();
  var bkey = key.getPrivate().toArray('be', bytes);

  // Zero-extend nonce to have the same byte size as N
  var nonce = msg.toArray('be', bytes);

  // Instantiate Hmac_DRBG
  var drbg = new HmacDRBG({
    hash: this.hash,
    entropy: bkey,
    nonce: nonce,
    pers: options.pers,
    persEnc: options.persEnc || 'utf8',
  });

  // Number of bytes to generate
  var ns1 = this.n.sub(new BN(1));

  for (var iter = 0; ; iter++) {
    var k = options.k ?
      options.k(iter) :
      new BN(drbg.generate(this.n.byteLength()));
    k = this._truncateToN(k, true);
    if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
      continue;

    var kp = this.g.mul(k);
    if (kp.isInfinity())
      continue;

    var kpX = kp.getX();
    var r = kpX.umod(this.n);
    if (r.cmpn(0) === 0)
      continue;

    var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
    s = s.umod(this.n);
    if (s.cmpn(0) === 0)
      continue;

    var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
                        (kpX.cmp(r) !== 0 ? 2 : 0);

    // Use complement of `s`, if it is > `n / 2`
    if (options.canonical && s.cmp(this.nh) > 0) {
      s = this.n.sub(s);
      recoveryParam ^= 1;
    }

    return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
  }
};

EC.prototype.verify = function verify(msg, signature, key, enc) {
  msg = this._truncateToN(new BN(msg, 16));
  key = this.keyFromPublic(key, enc);
  signature = new Signature(signature, 'hex');

  // Perform primitive values validation
  var r = signature.r;
  var s = signature.s;
  if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
    return false;
  if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
    return false;

  // Validate signature
  var sinv = s.invm(this.n);
  var u1 = sinv.mul(msg).umod(this.n);
  var u2 = sinv.mul(r).umod(this.n);
  var p;

  if (!this.curve._maxwellTrick) {
    p = this.g.mulAdd(u1, key.getPublic(), u2);
    if (p.isInfinity())
      return false;

    return p.getX().umod(this.n).cmp(r) === 0;
  }

  // NOTE: Greg Maxwell's trick, inspired by:
  // https://git.io/vad3K

  p = this.g.jmulAdd(u1, key.getPublic(), u2);
  if (p.isInfinity())
    return false;

  // Compare `p.x` of Jacobian point with `r`,
  // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
  // inverse of `p.z^2`
  return p.eqXToP(r);
};

EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
  assert((3 & j) === j, 'The recovery param is more than two bits');
  signature = new Signature(signature, enc);

  var n = this.n;
  var e = new BN(msg);
  var r = signature.r;
  var s = signature.s;

  // A set LSB signifies that the y-coordinate is odd
  var isYOdd = j & 1;
  var isSecondKey = j >> 1;
  if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
    throw new Error('Unable to find sencond key candinate');

  // 1.1. Let x = r + jn.
  if (isSecondKey)
    r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
  else
    r = this.curve.pointFromX(r, isYOdd);

  var rInv = signature.r.invm(n);
  var s1 = n.sub(e).mul(rInv).umod(n);
  var s2 = s.mul(rInv).umod(n);

  // 1.6.1 Compute Q = r^-1 (sR -  eG)
  //               Q = r^-1 (sR + -eG)
  return this.g.mulAdd(s1, r, s2);
};

EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
  signature = new Signature(signature, enc);
  if (signature.recoveryParam !== null)
    return signature.recoveryParam;

  for (var i = 0; i < 4; i++) {
    var Qprime;
    try {
      Qprime = this.recoverPubKey(e, signature, i);
    } catch (e) {
      continue;
    }

    if (Qprime.eq(Q))
      return i;
  }
  throw new Error('Unable to find valid recovery factor');
};


/***/ }),

/***/ 31251:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);
var utils = __webpack_require__(80953);
var assert = utils.assert;

function KeyPair(ec, options) {
  this.ec = ec;
  this.priv = null;
  this.pub = null;

  // KeyPair(ec, { priv: ..., pub: ... })
  if (options.priv)
    this._importPrivate(options.priv, options.privEnc);
  if (options.pub)
    this._importPublic(options.pub, options.pubEnc);
}
module.exports = KeyPair;

KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
  if (pub instanceof KeyPair)
    return pub;

  return new KeyPair(ec, {
    pub: pub,
    pubEnc: enc,
  });
};

KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
  if (priv instanceof KeyPair)
    return priv;

  return new KeyPair(ec, {
    priv: priv,
    privEnc: enc,
  });
};

KeyPair.prototype.validate = function validate() {
  var pub = this.getPublic();

  if (pub.isInfinity())
    return { result: false, reason: 'Invalid public key' };
  if (!pub.validate())
    return { result: false, reason: 'Public key is not a point' };
  if (!pub.mul(this.ec.curve.n).isInfinity())
    return { result: false, reason: 'Public key * N != O' };

  return { result: true, reason: null };
};

KeyPair.prototype.getPublic = function getPublic(compact, enc) {
  // compact is optional argument
  if (typeof compact === 'string') {
    enc = compact;
    compact = null;
  }

  if (!this.pub)
    this.pub = this.ec.g.mul(this.priv);

  if (!enc)
    return this.pub;

  return this.pub.encode(enc, compact);
};

KeyPair.prototype.getPrivate = function getPrivate(enc) {
  if (enc === 'hex')
    return this.priv.toString(16, 2);
  else
    return this.priv;
};

KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
  this.priv = new BN(key, enc || 16);

  // Ensure that the priv won't be bigger than n, otherwise we may fail
  // in fixed multiplication method
  this.priv = this.priv.umod(this.ec.curve.n);
};

KeyPair.prototype._importPublic = function _importPublic(key, enc) {
  if (key.x || key.y) {
    // Montgomery points only have an `x` coordinate.
    // Weierstrass/Edwards points on the other hand have both `x` and
    // `y` coordinates.
    if (this.ec.curve.type === 'mont') {
      assert(key.x, 'Need x coordinate');
    } else if (this.ec.curve.type === 'short' ||
               this.ec.curve.type === 'edwards') {
      assert(key.x && key.y, 'Need both x and y coordinate');
    }
    this.pub = this.ec.curve.point(key.x, key.y);
    return;
  }
  this.pub = this.ec.curve.decodePoint(key, enc);
};

// ECDH
KeyPair.prototype.derive = function derive(pub) {
  if(!pub.validate()) {
    assert(pub.validate(), 'public point not validated');
  }
  return pub.mul(this.priv).getX();
};

// ECDSA
KeyPair.prototype.sign = function sign(msg, enc, options) {
  return this.ec.sign(msg, this, enc, options);
};

KeyPair.prototype.verify = function verify(msg, signature) {
  return this.ec.verify(msg, signature, this);
};

KeyPair.prototype.inspect = function inspect() {
  return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
         ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
};


/***/ }),

/***/ 90611:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);

var utils = __webpack_require__(80953);
var assert = utils.assert;

function Signature(options, enc) {
  if (options instanceof Signature)
    return options;

  if (this._importDER(options, enc))
    return;

  assert(options.r && options.s, 'Signature without r or s');
  this.r = new BN(options.r, 16);
  this.s = new BN(options.s, 16);
  if (options.recoveryParam === undefined)
    this.recoveryParam = null;
  else
    this.recoveryParam = options.recoveryParam;
}
module.exports = Signature;

function Position() {
  this.place = 0;
}

function getLength(buf, p) {
  var initial = buf[p.place++];
  if (!(initial & 0x80)) {
    return initial;
  }
  var octetLen = initial & 0xf;

  // Indefinite length or overflow
  if (octetLen === 0 || octetLen > 4) {
    return false;
  }

  var val = 0;
  for (var i = 0, off = p.place; i < octetLen; i++, off++) {
    val <<= 8;
    val |= buf[off];
    val >>>= 0;
  }

  // Leading zeroes
  if (val <= 0x7f) {
    return false;
  }

  p.place = off;
  return val;
}

function rmPadding(buf) {
  var i = 0;
  var len = buf.length - 1;
  while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
    i++;
  }
  if (i === 0) {
    return buf;
  }
  return buf.slice(i);
}

Signature.prototype._importDER = function _importDER(data, enc) {
  data = utils.toArray(data, enc);
  var p = new Position();
  if (data[p.place++] !== 0x30) {
    return false;
  }
  var len = getLength(data, p);
  if (len === false) {
    return false;
  }
  if ((len + p.place) !== data.length) {
    return false;
  }
  if (data[p.place++] !== 0x02) {
    return false;
  }
  var rlen = getLength(data, p);
  if (rlen === false) {
    return false;
  }
  var r = data.slice(p.place, rlen + p.place);
  p.place += rlen;
  if (data[p.place++] !== 0x02) {
    return false;
  }
  var slen = getLength(data, p);
  if (slen === false) {
    return false;
  }
  if (data.length !== slen + p.place) {
    return false;
  }
  var s = data.slice(p.place, slen + p.place);
  if (r[0] === 0) {
    if (r[1] & 0x80) {
      r = r.slice(1);
    } else {
      // Leading zeroes
      return false;
    }
  }
  if (s[0] === 0) {
    if (s[1] & 0x80) {
      s = s.slice(1);
    } else {
      // Leading zeroes
      return false;
    }
  }

  this.r = new BN(r);
  this.s = new BN(s);
  this.recoveryParam = null;

  return true;
};

function constructLength(arr, len) {
  if (len < 0x80) {
    arr.push(len);
    return;
  }
  var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
  arr.push(octets | 0x80);
  while (--octets) {
    arr.push((len >>> (octets << 3)) & 0xff);
  }
  arr.push(len);
}

Signature.prototype.toDER = function toDER(enc) {
  var r = this.r.toArray();
  var s = this.s.toArray();

  // Pad values
  if (r[0] & 0x80)
    r = [ 0 ].concat(r);
  // Pad values
  if (s[0] & 0x80)
    s = [ 0 ].concat(s);

  r = rmPadding(r);
  s = rmPadding(s);

  while (!s[0] && !(s[1] & 0x80)) {
    s = s.slice(1);
  }
  var arr = [ 0x02 ];
  constructLength(arr, r.length);
  arr = arr.concat(r);
  arr.push(0x02);
  constructLength(arr, s.length);
  var backHalf = arr.concat(s);
  var res = [ 0x30 ];
  constructLength(res, backHalf.length);
  res = res.concat(backHalf);
  return utils.encode(res, enc);
};


/***/ }),

/***/ 65980:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var hash = __webpack_require__(33715);
var curves = __webpack_require__(45427);
var utils = __webpack_require__(80953);
var assert = utils.assert;
var parseBytes = utils.parseBytes;
var KeyPair = __webpack_require__(79087);
var Signature = __webpack_require__(23622);

function EDDSA(curve) {
  assert(curve === 'ed25519', 'only tested with ed25519 so far');

  if (!(this instanceof EDDSA))
    return new EDDSA(curve);

  curve = curves[curve].curve;
  this.curve = curve;
  this.g = curve.g;
  this.g.precompute(curve.n.bitLength() + 1);

  this.pointClass = curve.point().constructor;
  this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
  this.hash = hash.sha512;
}

module.exports = EDDSA;

/**
* @param {Array|String} message - message bytes
* @param {Array|String|KeyPair} secret - secret bytes or a keypair
* @returns {Signature} - signature
*/
EDDSA.prototype.sign = function sign(message, secret) {
  message = parseBytes(message);
  var key = this.keyFromSecret(secret);
  var r = this.hashInt(key.messagePrefix(), message);
  var R = this.g.mul(r);
  var Rencoded = this.encodePoint(R);
  var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
    .mul(key.priv());
  var S = r.add(s_).umod(this.curve.n);
  return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
};

/**
* @param {Array} message - message bytes
* @param {Array|String|Signature} sig - sig bytes
* @param {Array|String|Point|KeyPair} pub - public key
* @returns {Boolean} - true if public key matches sig of message
*/
EDDSA.prototype.verify = function verify(message, sig, pub) {
  message = parseBytes(message);
  sig = this.makeSignature(sig);
  var key = this.keyFromPublic(pub);
  var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
  var SG = this.g.mul(sig.S());
  var RplusAh = sig.R().add(key.pub().mul(h));
  return RplusAh.eq(SG);
};

EDDSA.prototype.hashInt = function hashInt() {
  var hash = this.hash();
  for (var i = 0; i < arguments.length; i++)
    hash.update(arguments[i]);
  return utils.intFromLE(hash.digest()).umod(this.curve.n);
};

EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
  return KeyPair.fromPublic(this, pub);
};

EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
  return KeyPair.fromSecret(this, secret);
};

EDDSA.prototype.makeSignature = function makeSignature(sig) {
  if (sig instanceof Signature)
    return sig;
  return new Signature(this, sig);
};

/**
* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
*
* EDDSA defines methods for encoding and decoding points and integers. These are
* helper convenience methods, that pass along to utility functions implied
* parameters.
*
*/
EDDSA.prototype.encodePoint = function encodePoint(point) {
  var enc = point.getY().toArray('le', this.encodingLength);
  enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
  return enc;
};

EDDSA.prototype.decodePoint = function decodePoint(bytes) {
  bytes = utils.parseBytes(bytes);

  var lastIx = bytes.length - 1;
  var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
  var xIsOdd = (bytes[lastIx] & 0x80) !== 0;

  var y = utils.intFromLE(normed);
  return this.curve.pointFromY(y, xIsOdd);
};

EDDSA.prototype.encodeInt = function encodeInt(num) {
  return num.toArray('le', this.encodingLength);
};

EDDSA.prototype.decodeInt = function decodeInt(bytes) {
  return utils.intFromLE(bytes);
};

EDDSA.prototype.isPoint = function isPoint(val) {
  return val instanceof this.pointClass;
};


/***/ }),

/***/ 79087:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(80953);
var assert = utils.assert;
var parseBytes = utils.parseBytes;
var cachedProperty = utils.cachedProperty;

/**
* @param {EDDSA} eddsa - instance
* @param {Object} params - public/private key parameters
*
* @param {Array<Byte>} [params.secret] - secret seed bytes
* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
*
*/
function KeyPair(eddsa, params) {
  this.eddsa = eddsa;
  this._secret = parseBytes(params.secret);
  if (eddsa.isPoint(params.pub))
    this._pub = params.pub;
  else
    this._pubBytes = parseBytes(params.pub);
}

KeyPair.fromPublic = function fromPublic(eddsa, pub) {
  if (pub instanceof KeyPair)
    return pub;
  return new KeyPair(eddsa, { pub: pub });
};

KeyPair.fromSecret = function fromSecret(eddsa, secret) {
  if (secret instanceof KeyPair)
    return secret;
  return new KeyPair(eddsa, { secret: secret });
};

KeyPair.prototype.secret = function secret() {
  return this._secret;
};

cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
  return this.eddsa.encodePoint(this.pub());
});

cachedProperty(KeyPair, 'pub', function pub() {
  if (this._pubBytes)
    return this.eddsa.decodePoint(this._pubBytes);
  return this.eddsa.g.mul(this.priv());
});

cachedProperty(KeyPair, 'privBytes', function privBytes() {
  var eddsa = this.eddsa;
  var hash = this.hash();
  var lastIx = eddsa.encodingLength - 1;

  var a = hash.slice(0, eddsa.encodingLength);
  a[0] &= 248;
  a[lastIx] &= 127;
  a[lastIx] |= 64;

  return a;
});

cachedProperty(KeyPair, 'priv', function priv() {
  return this.eddsa.decodeInt(this.privBytes());
});

cachedProperty(KeyPair, 'hash', function hash() {
  return this.eddsa.hash().update(this.secret()).digest();
});

cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
  return this.hash().slice(this.eddsa.encodingLength);
});

KeyPair.prototype.sign = function sign(message) {
  assert(this._secret, 'KeyPair can only verify');
  return this.eddsa.sign(message, this);
};

KeyPair.prototype.verify = function verify(message, sig) {
  return this.eddsa.verify(message, sig, this);
};

KeyPair.prototype.getSecret = function getSecret(enc) {
  assert(this._secret, 'KeyPair is public only');
  return utils.encode(this.secret(), enc);
};

KeyPair.prototype.getPublic = function getPublic(enc) {
  return utils.encode(this.pubBytes(), enc);
};

module.exports = KeyPair;


/***/ }),

/***/ 23622:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var BN = __webpack_require__(73785);
var utils = __webpack_require__(80953);
var assert = utils.assert;
var cachedProperty = utils.cachedProperty;
var parseBytes = utils.parseBytes;

/**
* @param {EDDSA} eddsa - eddsa instance
* @param {Array<Bytes>|Object} sig -
* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
*/
function Signature(eddsa, sig) {
  this.eddsa = eddsa;

  if (typeof sig !== 'object')
    sig = parseBytes(sig);

  if (Array.isArray(sig)) {
    sig = {
      R: sig.slice(0, eddsa.encodingLength),
      S: sig.slice(eddsa.encodingLength),
    };
  }

  assert(sig.R && sig.S, 'Signature without R or S');

  if (eddsa.isPoint(sig.R))
    this._R = sig.R;
  if (sig.S instanceof BN)
    this._S = sig.S;

  this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
  this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
}

cachedProperty(Signature, 'S', function S() {
  return this.eddsa.decodeInt(this.Sencoded());
});

cachedProperty(Signature, 'R', function R() {
  return this.eddsa.decodePoint(this.Rencoded());
});

cachedProperty(Signature, 'Rencoded', function Rencoded() {
  return this.eddsa.encodePoint(this.R());
});

cachedProperty(Signature, 'Sencoded', function Sencoded() {
  return this.eddsa.encodeInt(this.S());
});

Signature.prototype.toBytes = function toBytes() {
  return this.Rencoded().concat(this.Sencoded());
};

Signature.prototype.toHex = function toHex() {
  return utils.encode(this.toBytes(), 'hex').toUpperCase();
};

module.exports = Signature;


/***/ }),

/***/ 91037:
/***/ ((module) => {

module.exports = {
  doubles: {
    step: 4,
    points: [
      [
        'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
        'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821',
      ],
      [
        '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
        '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf',
      ],
      [
        '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
        'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695',
      ],
      [
        '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
        '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9',
      ],
      [
        '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
        '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36',
      ],
      [
        '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
        '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f',
      ],
      [
        'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
        '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999',
      ],
      [
        '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
        'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09',
      ],
      [
        'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
        '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d',
      ],
      [
        'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
        'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088',
      ],
      [
        'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
        '9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d',
      ],
      [
        '53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
        '5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8',
      ],
      [
        '8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
        '10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a',
      ],
      [
        '385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
        '283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453',
      ],
      [
        '6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
        '7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160',
      ],
      [
        '3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd',
        '56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0',
      ],
      [
        '85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83',
        '7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6',
      ],
      [
        '948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a',
        '53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589',
      ],
      [
        '6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8',
        'bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17',
      ],
      [
        'e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d',
        '4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda',
      ],
      [
        'e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725',
        '7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd',
      ],
      [
        '213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754',
        '4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2',
      ],
      [
        '4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c',
        '17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6',
      ],
      [
        'fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6',
        '6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f',
      ],
      [
        '76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39',
        'c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01',
      ],
      [
        'c738c56b03b2abe1e8281baa743f8f9a8f7cc643df26cbee3ab150242bcbb891',
        '893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3',
      ],
      [
        'd895626548b65b81e264c7637c972877d1d72e5f3a925014372e9f6588f6c14b',
        'febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f',
      ],
      [
        'b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03',
        '2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7',
      ],
      [
        'e80fea14441fb33a7d8adab9475d7fab2019effb5156a792f1a11778e3c0df5d',
        'eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78',
      ],
      [
        'a301697bdfcd704313ba48e51d567543f2a182031efd6915ddc07bbcc4e16070',
        '7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1',
      ],
      [
        '90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4',
        'e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150',
      ],
      [
        '8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da',
        '662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82',
      ],
      [
        'e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11',
        '1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc',
      ],
      [
        '8c00fa9b18ebf331eb961537a45a4266c7034f2f0d4e1d0716fb6eae20eae29e',
        'efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b',
      ],
      [
        'e7a26ce69dd4829f3e10cec0a9e98ed3143d084f308b92c0997fddfc60cb3e41',
        '2a758e300fa7984b471b006a1aafbb18d0a6b2c0420e83e20e8a9421cf2cfd51',
      ],
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        'b6459e0ee3662ec8d23540c223bcbdc571cbcb967d79424f3cf29eb3de6b80ef',
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        '324aed7df65c804252dc0270907a30b09612aeb973449cea4095980fc28d3d5d',
        '648a365774b61f2ff130c0c35aec1f4f19213b0c7e332843967224af96ab7c84',
      ],
      [
        '4df9c14919cde61f6d51dfdbe5fee5dceec4143ba8d1ca888e8bd373fd054c96',
        '35ec51092d8728050974c23a1d85d4b5d506cdc288490192ebac06cad10d5d',
      ],
      [
        '9c3919a84a474870faed8a9c1cc66021523489054d7f0308cbfc99c8ac1f98cd',
        'ddb84f0f4a4ddd57584f044bf260e641905326f76c64c8e6be7e5e03d4fc599d',
      ],
      [
        '6057170b1dd12fdf8de05f281d8e06bb91e1493a8b91d4cc5a21382120a959e5',
        '9a1af0b26a6a4807add9a2daf71df262465152bc3ee24c65e899be932385a2a8',
      ],
      [
        'a576df8e23a08411421439a4518da31880cef0fba7d4df12b1a6973eecb94266',
        '40a6bf20e76640b2c92b97afe58cd82c432e10a7f514d9f3ee8be11ae1b28ec8',
      ],
      [
        '7778a78c28dec3e30a05fe9629de8c38bb30d1f5cf9a3a208f763889be58ad71',
        '34626d9ab5a5b22ff7098e12f2ff580087b38411ff24ac563b513fc1fd9f43ac',
      ],
      [
        '928955ee637a84463729fd30e7afd2ed5f96274e5ad7e5cb09eda9c06d903ac',
        'c25621003d3f42a827b78a13093a95eeac3d26efa8a8d83fc5180e935bcd091f',
      ],
      [
        '85d0fef3ec6db109399064f3a0e3b2855645b4a907ad354527aae75163d82751',
        '1f03648413a38c0be29d496e582cf5663e8751e96877331582c237a24eb1f962',
      ],
      [
        'ff2b0dce97eece97c1c9b6041798b85dfdfb6d8882da20308f5404824526087e',
        '493d13fef524ba188af4c4dc54d07936c7b7ed6fb90e2ceb2c951e01f0c29907',
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      [
        '827fbbe4b1e880ea9ed2b2e6301b212b57f1ee148cd6dd28780e5e2cf856e241',
        'c60f9c923c727b0b71bef2c67d1d12687ff7a63186903166d605b68baec293ec',
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      [
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        '4d9f92e716d1c73526fc99ccfb8ad34ce886eedfa8d8e4f13a7f7131deba9414',
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      [
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      ],
      [
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      ],
      [
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        'd3a81ca6e785c06383937adf4b798caa6e8a9fbfa547b16d758d666581f33c1',
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        '347d6d9a02c48927ebfb86c1359b1caf130a3c0267d11ce6344b39f99d43cc38',
        '60ea7f61a353524d1c987f6ecec92f086d565ab687870cb12689ff1e31c74448',
      ],
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        'da6545d2181db8d983f7dcb375ef5866d47c67b1bf31c8cf855ef7437b72656a',
        '49b96715ab6878a79e78f07ce5680c5d6673051b4935bd897fea824b77dc208a',
      ],
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        '5ca560753be2a12fc6de6caf2cb489565db936156b9514e1bb5e83037e0fa2d4',
      ],
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        '4e42c8ec82c99798ccf3a610be870e78338c7f713348bd34c8203ef4037f3502',
        '7571d74ee5e0fb92a7a8b33a07783341a5492144cc54bcc40a94473693606437',
      ],
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        'be52d107bcfa09d8bcb9736a828cfa7fac8db17bf7a76a2c42ad961409018cf7',
      ],
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        '8fd64a14c06b589c26b947ae2bcf6bfa0149ef0be14ed4d80f448a01c43b1c6d',
      ],
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        'b4f9eaea09b6917619f6ea6a4eb5464efddb58fd45b1ebefcdc1a01d08b47986',
        '39e5c9925b5a54b07433a4f18c61726f8bb131c012ca542eb24a8ac07200682a',
      ],
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        'd4263dfc3d2df923a0179a48966d30ce84e2515afc3dccc1b77907792ebcc60e',
        '62dfaf07a0f78feb30e30d6295853ce189e127760ad6cf7fae164e122a208d54',
      ],
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        '48457524820fa65a4f8d35eb6930857c0032acc0a4a2de422233eeda897612c4',
        '25a748ab367979d98733c38a1fa1c2e7dc6cc07db2d60a9ae7a76aaa49bd0f77',
      ],
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        'dfeeef1881101f2cb11644f3a2afdfc2045e19919152923f367a1767c11cceda',
        'ecfb7056cf1de042f9420bab396793c0c390bde74b4bbdff16a83ae09a9a7517',
      ],
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        'cd450ec335438986dfefa10c57fea9bcc521a0959b2d80bbf74b190dca712d10',
      ],
      [
        'e75605d59102a5a2684500d3b991f2e3f3c88b93225547035af25af66e04541f',
        'f5c54754a8f71ee540b9b48728473e314f729ac5308b06938360990e2bfad125',
      ],
      [
        'eb98660f4c4dfaa06a2be453d5020bc99a0c2e60abe388457dd43fefb1ed620c',
        '6cb9a8876d9cb8520609af3add26cd20a0a7cd8a9411131ce85f44100099223e',
      ],
      [
        '13e87b027d8514d35939f2e6892b19922154596941888336dc3563e3b8dba942',
        'fef5a3c68059a6dec5d624114bf1e91aac2b9da568d6abeb2570d55646b8adf1',
      ],
      [
        'ee163026e9fd6fe017c38f06a5be6fc125424b371ce2708e7bf4491691e5764a',
        '1acb250f255dd61c43d94ccc670d0f58f49ae3fa15b96623e5430da0ad6c62b2',
      ],
      [
        'b268f5ef9ad51e4d78de3a750c2dc89b1e626d43505867999932e5db33af3d80',
        '5f310d4b3c99b9ebb19f77d41c1dee018cf0d34fd4191614003e945a1216e423',
      ],
      [
        'ff07f3118a9df035e9fad85eb6c7bfe42b02f01ca99ceea3bf7ffdba93c4750d',
        '438136d603e858a3a5c440c38eccbaddc1d2942114e2eddd4740d098ced1f0d8',
      ],
      [
        '8d8b9855c7c052a34146fd20ffb658bea4b9f69e0d825ebec16e8c3ce2b526a1',
        'cdb559eedc2d79f926baf44fb84ea4d44bcf50fee51d7ceb30e2e7f463036758',
      ],
      [
        '52db0b5384dfbf05bfa9d472d7ae26dfe4b851ceca91b1eba54263180da32b63',
        'c3b997d050ee5d423ebaf66a6db9f57b3180c902875679de924b69d84a7b375',
      ],
      [
        'e62f9490d3d51da6395efd24e80919cc7d0f29c3f3fa48c6fff543becbd43352',
        '6d89ad7ba4876b0b22c2ca280c682862f342c8591f1daf5170e07bfd9ccafa7d',
      ],
      [
        '7f30ea2476b399b4957509c88f77d0191afa2ff5cb7b14fd6d8e7d65aaab1193',
        'ca5ef7d4b231c94c3b15389a5f6311e9daff7bb67b103e9880ef4bff637acaec',
      ],
      [
        '5098ff1e1d9f14fb46a210fada6c903fef0fb7b4a1dd1d9ac60a0361800b7a00',
        '9731141d81fc8f8084d37c6e7542006b3ee1b40d60dfe5362a5b132fd17ddc0',
      ],
      [
        '32b78c7de9ee512a72895be6b9cbefa6e2f3c4ccce445c96b9f2c81e2778ad58',
        'ee1849f513df71e32efc3896ee28260c73bb80547ae2275ba497237794c8753c',
      ],
      [
        'e2cb74fddc8e9fbcd076eef2a7c72b0ce37d50f08269dfc074b581550547a4f7',
        'd3aa2ed71c9dd2247a62df062736eb0baddea9e36122d2be8641abcb005cc4a4',
      ],
      [
        '8438447566d4d7bedadc299496ab357426009a35f235cb141be0d99cd10ae3a8',
        'c4e1020916980a4da5d01ac5e6ad330734ef0d7906631c4f2390426b2edd791f',
      ],
      [
        '4162d488b89402039b584c6fc6c308870587d9c46f660b878ab65c82c711d67e',
        '67163e903236289f776f22c25fb8a3afc1732f2b84b4e95dbda47ae5a0852649',
      ],
      [
        '3fad3fa84caf0f34f0f89bfd2dcf54fc175d767aec3e50684f3ba4a4bf5f683d',
        'cd1bc7cb6cc407bb2f0ca647c718a730cf71872e7d0d2a53fa20efcdfe61826',
      ],
      [
        '674f2600a3007a00568c1a7ce05d0816c1fb84bf1370798f1c69532faeb1a86b',
        '299d21f9413f33b3edf43b257004580b70db57da0b182259e09eecc69e0d38a5',
      ],
      [
        'd32f4da54ade74abb81b815ad1fb3b263d82d6c692714bcff87d29bd5ee9f08f',
        'f9429e738b8e53b968e99016c059707782e14f4535359d582fc416910b3eea87',
      ],
      [
        '30e4e670435385556e593657135845d36fbb6931f72b08cb1ed954f1e3ce3ff6',
        '462f9bce619898638499350113bbc9b10a878d35da70740dc695a559eb88db7b',
      ],
      [
        'be2062003c51cc3004682904330e4dee7f3dcd10b01e580bf1971b04d4cad297',
        '62188bc49d61e5428573d48a74e1c655b1c61090905682a0d5558ed72dccb9bc',
      ],
      [
        '93144423ace3451ed29e0fb9ac2af211cb6e84a601df5993c419859fff5df04a',
        '7c10dfb164c3425f5c71a3f9d7992038f1065224f72bb9d1d902a6d13037b47c',
      ],
      [
        'b015f8044f5fcbdcf21ca26d6c34fb8197829205c7b7d2a7cb66418c157b112c',
        'ab8c1e086d04e813744a655b2df8d5f83b3cdc6faa3088c1d3aea1454e3a1d5f',
      ],
      [
        'd5e9e1da649d97d89e4868117a465a3a4f8a18de57a140d36b3f2af341a21b52',
        '4cb04437f391ed73111a13cc1d4dd0db1693465c2240480d8955e8592f27447a',
      ],
      [
        'd3ae41047dd7ca065dbf8ed77b992439983005cd72e16d6f996a5316d36966bb',
        'bd1aeb21ad22ebb22a10f0303417c6d964f8cdd7df0aca614b10dc14d125ac46',
      ],
      [
        '463e2763d885f958fc66cdd22800f0a487197d0a82e377b49f80af87c897b065',
        'bfefacdb0e5d0fd7df3a311a94de062b26b80c61fbc97508b79992671ef7ca7f',
      ],
      [
        '7985fdfd127c0567c6f53ec1bb63ec3158e597c40bfe747c83cddfc910641917',
        '603c12daf3d9862ef2b25fe1de289aed24ed291e0ec6708703a5bd567f32ed03',
      ],
      [
        '74a1ad6b5f76e39db2dd249410eac7f99e74c59cb83d2d0ed5ff1543da7703e9',
        'cc6157ef18c9c63cd6193d83631bbea0093e0968942e8c33d5737fd790e0db08',
      ],
      [
        '30682a50703375f602d416664ba19b7fc9bab42c72747463a71d0896b22f6da3',
        '553e04f6b018b4fa6c8f39e7f311d3176290d0e0f19ca73f17714d9977a22ff8',
      ],
      [
        '9e2158f0d7c0d5f26c3791efefa79597654e7a2b2464f52b1ee6c1347769ef57',
        '712fcdd1b9053f09003a3481fa7762e9ffd7c8ef35a38509e2fbf2629008373',
      ],
      [
        '176e26989a43c9cfeba4029c202538c28172e566e3c4fce7322857f3be327d66',
        'ed8cc9d04b29eb877d270b4878dc43c19aefd31f4eee09ee7b47834c1fa4b1c3',
      ],
      [
        '75d46efea3771e6e68abb89a13ad747ecf1892393dfc4f1b7004788c50374da8',
        '9852390a99507679fd0b86fd2b39a868d7efc22151346e1a3ca4726586a6bed8',
      ],
      [
        '809a20c67d64900ffb698c4c825f6d5f2310fb0451c869345b7319f645605721',
        '9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1',
      ],
      [
        '1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
        '4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9',
      ],
    ],
  },
};


/***/ }),

/***/ 80953:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var utils = exports;
var BN = __webpack_require__(73785);
var minAssert = __webpack_require__(79746);
var minUtils = __webpack_require__(34504);

utils.assert = minAssert;
utils.toArray = minUtils.toArray;
utils.zero2 = minUtils.zero2;
utils.toHex = minUtils.toHex;
utils.encode = minUtils.encode;

// Represent num in a w-NAF form
function getNAF(num, w, bits) {
  var naf = new Array(Math.max(num.bitLength(), bits) + 1);
  naf.fill(0);

  var ws = 1 << (w + 1);
  var k = num.clone();

  for (var i = 0; i < naf.length; i++) {
    var z;
    var mod = k.andln(ws - 1);
    if (k.isOdd()) {
      if (mod > (ws >> 1) - 1)
        z = (ws >> 1) - mod;
      else
        z = mod;
      k.isubn(z);
    } else {
      z = 0;
    }

    naf[i] = z;
    k.iushrn(1);
  }

  return naf;
}
utils.getNAF = getNAF;

// Represent k1, k2 in a Joint Sparse Form
function getJSF(k1, k2) {
  var jsf = [
    [],
    [],
  ];

  k1 = k1.clone();
  k2 = k2.clone();
  var d1 = 0;
  var d2 = 0;
  var m8;
  while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
    // First phase
    var m14 = (k1.andln(3) + d1) & 3;
    var m24 = (k2.andln(3) + d2) & 3;
    if (m14 === 3)
      m14 = -1;
    if (m24 === 3)
      m24 = -1;
    var u1;
    if ((m14 & 1) === 0) {
      u1 = 0;
    } else {
      m8 = (k1.andln(7) + d1) & 7;
      if ((m8 === 3 || m8 === 5) && m24 === 2)
        u1 = -m14;
      else
        u1 = m14;
    }
    jsf[0].push(u1);

    var u2;
    if ((m24 & 1) === 0) {
      u2 = 0;
    } else {
      m8 = (k2.andln(7) + d2) & 7;
      if ((m8 === 3 || m8 === 5) && m14 === 2)
        u2 = -m24;
      else
        u2 = m24;
    }
    jsf[1].push(u2);

    // Second phase
    if (2 * d1 === u1 + 1)
      d1 = 1 - d1;
    if (2 * d2 === u2 + 1)
      d2 = 1 - d2;
    k1.iushrn(1);
    k2.iushrn(1);
  }

  return jsf;
}
utils.getJSF = getJSF;

function cachedProperty(obj, name, computer) {
  var key = '_' + name;
  obj.prototype[name] = function cachedProperty() {
    return this[key] !== undefined ? this[key] :
      this[key] = computer.call(this);
  };
}
utils.cachedProperty = cachedProperty;

function parseBytes(bytes) {
  return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
    bytes;
}
utils.parseBytes = parseBytes;

function intFromLE(bytes) {
  return new BN(bytes, 'hex', 'le');
}
utils.intFromLE = intFromLE;



/***/ }),

/***/ 73785:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(85568).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 8091:
/***/ ((module) => {

"use strict";
/**
 * Code refactored from Mozilla Developer Network:
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
 */



function assign(target, firstSource) {
  if (target === undefined || target === null) {
    throw new TypeError('Cannot convert first argument to object');
  }

  var to = Object(target);
  for (var i = 1; i < arguments.length; i++) {
    var nextSource = arguments[i];
    if (nextSource === undefined || nextSource === null) {
      continue;
    }

    var keysArray = Object.keys(Object(nextSource));
    for (var nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex++) {
      var nextKey = keysArray[nextIndex];
      var desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);
      if (desc !== undefined && desc.enumerable) {
        to[nextKey] = nextSource[nextKey];
      }
    }
  }
  return to;
}

function polyfill() {
  if (!Object.assign) {
    Object.defineProperty(Object, 'assign', {
      enumerable: false,
      configurable: true,
      writable: true,
      value: assign
    });
  }
}

module.exports = {
  assign: assign,
  polyfill: polyfill
};


/***/ }),

/***/ 17187:
/***/ ((module) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



var R = typeof Reflect === 'object' ? Reflect : null
var ReflectApply = R && typeof R.apply === 'function'
  ? R.apply
  : function ReflectApply(target, receiver, args) {
    return Function.prototype.apply.call(target, receiver, args);
  }

var ReflectOwnKeys
if (R && typeof R.ownKeys === 'function') {
  ReflectOwnKeys = R.ownKeys
} else if (Object.getOwnPropertySymbols) {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target)
      .concat(Object.getOwnPropertySymbols(target));
  };
} else {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target);
  };
}

function ProcessEmitWarning(warning) {
  if (console && console.warn) console.warn(warning);
}

var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
  return value !== value;
}

function EventEmitter() {
  EventEmitter.init.call(this);
}
module.exports = EventEmitter;
module.exports.once = once;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._eventsCount = 0;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
var defaultMaxListeners = 10;

function checkListener(listener) {
  if (typeof listener !== 'function') {
    throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
  }
}

Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
  enumerable: true,
  get: function() {
    return defaultMaxListeners;
  },
  set: function(arg) {
    if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
      throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
    }
    defaultMaxListeners = arg;
  }
});

EventEmitter.init = function() {

  if (this._events === undefined ||
      this._events === Object.getPrototypeOf(this)._events) {
    this._events = Object.create(null);
    this._eventsCount = 0;
  }

  this._maxListeners = this._maxListeners || undefined;
};

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
  if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
    throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
  }
  this._maxListeners = n;
  return this;
};

function _getMaxListeners(that) {
  if (that._maxListeners === undefined)
    return EventEmitter.defaultMaxListeners;
  return that._maxListeners;
}

EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
  return _getMaxListeners(this);
};

EventEmitter.prototype.emit = function emit(type) {
  var args = [];
  for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
  var doError = (type === 'error');

  var events = this._events;
  if (events !== undefined)
    doError = (doError && events.error === undefined);
  else if (!doError)
    return false;

  // If there is no 'error' event listener then throw.
  if (doError) {
    var er;
    if (args.length > 0)
      er = args[0];
    if (er instanceof Error) {
      // Note: The comments on the `throw` lines are intentional, they show
      // up in Node's output if this results in an unhandled exception.
      throw er; // Unhandled 'error' event
    }
    // At least give some kind of context to the user
    var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
    err.context = er;
    throw err; // Unhandled 'error' event
  }

  var handler = events[type];

  if (handler === undefined)
    return false;

  if (typeof handler === 'function') {
    ReflectApply(handler, this, args);
  } else {
    var len = handler.length;
    var listeners = arrayClone(handler, len);
    for (var i = 0; i < len; ++i)
      ReflectApply(listeners[i], this, args);
  }

  return true;
};

function _addListener(target, type, listener, prepend) {
  var m;
  var events;
  var existing;

  checkListener(listener);

  events = target._events;
  if (events === undefined) {
    events = target._events = Object.create(null);
    target._eventsCount = 0;
  } else {
    // To avoid recursion in the case that type === "newListener"! Before
    // adding it to the listeners, first emit "newListener".
    if (events.newListener !== undefined) {
      target.emit('newListener', type,
                  listener.listener ? listener.listener : listener);

      // Re-assign `events` because a newListener handler could have caused the
      // this._events to be assigned to a new object
      events = target._events;
    }
    existing = events[type];
  }

  if (existing === undefined) {
    // Optimize the case of one listener. Don't need the extra array object.
    existing = events[type] = listener;
    ++target._eventsCount;
  } else {
    if (typeof existing === 'function') {
      // Adding the second element, need to change to array.
      existing = events[type] =
        prepend ? [listener, existing] : [existing, listener];
      // If we've already got an array, just append.
    } else if (prepend) {
      existing.unshift(listener);
    } else {
      existing.push(listener);
    }

    // Check for listener leak
    m = _getMaxListeners(target);
    if (m > 0 && existing.length > m && !existing.warned) {
      existing.warned = true;
      // No error code for this since it is a Warning
      // eslint-disable-next-line no-restricted-syntax
      var w = new Error('Possible EventEmitter memory leak detected. ' +
                          existing.length + ' ' + String(type) + ' listeners ' +
                          'added. Use emitter.setMaxListeners() to ' +
                          'increase limit');
      w.name = 'MaxListenersExceededWarning';
      w.emitter = target;
      w.type = type;
      w.count = existing.length;
      ProcessEmitWarning(w);
    }
  }

  return target;
}

EventEmitter.prototype.addListener = function addListener(type, listener) {
  return _addListener(this, type, listener, false);
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.prependListener =
    function prependListener(type, listener) {
      return _addListener(this, type, listener, true);
    };

function onceWrapper() {
  if (!this.fired) {
    this.target.removeListener(this.type, this.wrapFn);
    this.fired = true;
    if (arguments.length === 0)
      return this.listener.call(this.target);
    return this.listener.apply(this.target, arguments);
  }
}

function _onceWrap(target, type, listener) {
  var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
  var wrapped = onceWrapper.bind(state);
  wrapped.listener = listener;
  state.wrapFn = wrapped;
  return wrapped;
}

EventEmitter.prototype.once = function once(type, listener) {
  checkListener(listener);
  this.on(type, _onceWrap(this, type, listener));
  return this;
};

EventEmitter.prototype.prependOnceListener =
    function prependOnceListener(type, listener) {
      checkListener(listener);
      this.prependListener(type, _onceWrap(this, type, listener));
      return this;
    };

// Emits a 'removeListener' event if and only if the listener was removed.
EventEmitter.prototype.removeListener =
    function removeListener(type, listener) {
      var list, events, position, i, originalListener;

      checkListener(listener);

      events = this._events;
      if (events === undefined)
        return this;

      list = events[type];
      if (list === undefined)
        return this;

      if (list === listener || list.listener === listener) {
        if (--this._eventsCount === 0)
          this._events = Object.create(null);
        else {
          delete events[type];
          if (events.removeListener)
            this.emit('removeListener', type, list.listener || listener);
        }
      } else if (typeof list !== 'function') {
        position = -1;

        for (i = list.length - 1; i >= 0; i--) {
          if (list[i] === listener || list[i].listener === listener) {
            originalListener = list[i].listener;
            position = i;
            break;
          }
        }

        if (position < 0)
          return this;

        if (position === 0)
          list.shift();
        else {
          spliceOne(list, position);
        }

        if (list.length === 1)
          events[type] = list[0];

        if (events.removeListener !== undefined)
          this.emit('removeListener', type, originalListener || listener);
      }

      return this;
    };

EventEmitter.prototype.off = EventEmitter.prototype.removeListener;

EventEmitter.prototype.removeAllListeners =
    function removeAllListeners(type) {
      var listeners, events, i;

      events = this._events;
      if (events === undefined)
        return this;

      // not listening for removeListener, no need to emit
      if (events.removeListener === undefined) {
        if (arguments.length === 0) {
          this._events = Object.create(null);
          this._eventsCount = 0;
        } else if (events[type] !== undefined) {
          if (--this._eventsCount === 0)
            this._events = Object.create(null);
          else
            delete events[type];
        }
        return this;
      }

      // emit removeListener for all listeners on all events
      if (arguments.length === 0) {
        var keys = Object.keys(events);
        var key;
        for (i = 0; i < keys.length; ++i) {
          key = keys[i];
          if (key === 'removeListener') continue;
          this.removeAllListeners(key);
        }
        this.removeAllListeners('removeListener');
        this._events = Object.create(null);
        this._eventsCount = 0;
        return this;
      }

      listeners = events[type];

      if (typeof listeners === 'function') {
        this.removeListener(type, listeners);
      } else if (listeners !== undefined) {
        // LIFO order
        for (i = listeners.length - 1; i >= 0; i--) {
          this.removeListener(type, listeners[i]);
        }
      }

      return this;
    };

function _listeners(target, type, unwrap) {
  var events = target._events;

  if (events === undefined)
    return [];

  var evlistener = events[type];
  if (evlistener === undefined)
    return [];

  if (typeof evlistener === 'function')
    return unwrap ? [evlistener.listener || evlistener] : [evlistener];

  return unwrap ?
    unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
}

EventEmitter.prototype.listeners = function listeners(type) {
  return _listeners(this, type, true);
};

EventEmitter.prototype.rawListeners = function rawListeners(type) {
  return _listeners(this, type, false);
};

EventEmitter.listenerCount = function(emitter, type) {
  if (typeof emitter.listenerCount === 'function') {
    return emitter.listenerCount(type);
  } else {
    return listenerCount.call(emitter, type);
  }
};

EventEmitter.prototype.listenerCount = listenerCount;
function listenerCount(type) {
  var events = this._events;

  if (events !== undefined) {
    var evlistener = events[type];

    if (typeof evlistener === 'function') {
      return 1;
    } else if (evlistener !== undefined) {
      return evlistener.length;
    }
  }

  return 0;
}

EventEmitter.prototype.eventNames = function eventNames() {
  return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
};

function arrayClone(arr, n) {
  var copy = new Array(n);
  for (var i = 0; i < n; ++i)
    copy[i] = arr[i];
  return copy;
}

function spliceOne(list, index) {
  for (; index + 1 < list.length; index++)
    list[index] = list[index + 1];
  list.pop();
}

function unwrapListeners(arr) {
  var ret = new Array(arr.length);
  for (var i = 0; i < ret.length; ++i) {
    ret[i] = arr[i].listener || arr[i];
  }
  return ret;
}

function once(emitter, name) {
  return new Promise(function (resolve, reject) {
    function errorListener(err) {
      emitter.removeListener(name, resolver);
      reject(err);
    }

    function resolver() {
      if (typeof emitter.removeListener === 'function') {
        emitter.removeListener('error', errorListener);
      }
      resolve([].slice.call(arguments));
    };

    eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
    if (name !== 'error') {
      addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
    }
  });
}

function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
  if (typeof emitter.on === 'function') {
    eventTargetAgnosticAddListener(emitter, 'error', handler, flags);
  }
}

function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
  if (typeof emitter.on === 'function') {
    if (flags.once) {
      emitter.once(name, listener);
    } else {
      emitter.on(name, listener);
    }
  } else if (typeof emitter.addEventListener === 'function') {
    // EventTarget does not have `error` event semantics like Node
    // EventEmitters, we do not listen for `error` events here.
    emitter.addEventListener(name, function wrapListener(arg) {
      // IE does not have builtin `{ once: true }` support so we
      // have to do it manually.
      if (flags.once) {
        emitter.removeEventListener(name, wrapListener);
      }
      listener(arg);
    });
  } else {
    throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
  }
}


/***/ }),

/***/ 13048:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)
var MD5 = __webpack_require__(62318)

/* eslint-disable camelcase */
function EVP_BytesToKey (password, salt, keyBits, ivLen) {
  if (!Buffer.isBuffer(password)) password = Buffer.from(password, 'binary')
  if (salt) {
    if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, 'binary')
    if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length')
  }

  var keyLen = keyBits / 8
  var key = Buffer.alloc(keyLen)
  var iv = Buffer.alloc(ivLen || 0)
  var tmp = Buffer.alloc(0)

  while (keyLen > 0 || ivLen > 0) {
    var hash = new MD5()
    hash.update(tmp)
    hash.update(password)
    if (salt) hash.update(salt)
    tmp = hash.digest()

    var used = 0

    if (keyLen > 0) {
      var keyStart = key.length - keyLen
      used = Math.min(keyLen, tmp.length)
      tmp.copy(key, keyStart, 0, used)
      keyLen -= used
    }

    if (used < tmp.length && ivLen > 0) {
      var ivStart = iv.length - ivLen
      var length = Math.min(ivLen, tmp.length - used)
      tmp.copy(iv, ivStart, used, used + length)
      ivLen -= length
    }
  }

  tmp.fill(0)
  return { key: key, iv: iv }
}

module.exports = EVP_BytesToKey


/***/ }),

/***/ 49804:
/***/ ((module) => {


var hasOwn = Object.prototype.hasOwnProperty;
var toString = Object.prototype.toString;

module.exports = function forEach (obj, fn, ctx) {
    if (toString.call(fn) !== '[object Function]') {
        throw new TypeError('iterator must be a function');
    }
    var l = obj.length;
    if (l === +l) {
        for (var i = 0; i < l; i++) {
            fn.call(ctx, obj[i], i, obj);
        }
    } else {
        for (var k in obj) {
            if (hasOwn.call(obj, k)) {
                fn.call(ctx, obj[k], k, obj);
            }
        }
    }
};



/***/ }),

/***/ 17648:
/***/ ((module) => {

"use strict";


/* eslint no-invalid-this: 1 */

var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
var slice = Array.prototype.slice;
var toStr = Object.prototype.toString;
var funcType = '[object Function]';

module.exports = function bind(that) {
    var target = this;
    if (typeof target !== 'function' || toStr.call(target) !== funcType) {
        throw new TypeError(ERROR_MESSAGE + target);
    }
    var args = slice.call(arguments, 1);

    var bound;
    var binder = function () {
        if (this instanceof bound) {
            var result = target.apply(
                this,
                args.concat(slice.call(arguments))
            );
            if (Object(result) === result) {
                return result;
            }
            return this;
        } else {
            return target.apply(
                that,
                args.concat(slice.call(arguments))
            );
        }
    };

    var boundLength = Math.max(0, target.length - args.length);
    var boundArgs = [];
    for (var i = 0; i < boundLength; i++) {
        boundArgs.push('$' + i);
    }

    bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);

    if (target.prototype) {
        var Empty = function Empty() {};
        Empty.prototype = target.prototype;
        bound.prototype = new Empty();
        Empty.prototype = null;
    }

    return bound;
};


/***/ }),

/***/ 58612:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var implementation = __webpack_require__(17648);

module.exports = Function.prototype.bind || implementation;


/***/ }),

/***/ 40210:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var undefined;

var $SyntaxError = SyntaxError;
var $Function = Function;
var $TypeError = TypeError;

// eslint-disable-next-line consistent-return
var getEvalledConstructor = function (expressionSyntax) {
	try {
		return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')();
	} catch (e) {}
};

var $gOPD = Object.getOwnPropertyDescriptor;
if ($gOPD) {
	try {
		$gOPD({}, '');
	} catch (e) {
		$gOPD = null; // this is IE 8, which has a broken gOPD
	}
}

var throwTypeError = function () {
	throw new $TypeError();
};
var ThrowTypeError = $gOPD
	? (function () {
		try {
			// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
			arguments.callee; // IE 8 does not throw here
			return throwTypeError;
		} catch (calleeThrows) {
			try {
				// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
				return $gOPD(arguments, 'callee').get;
			} catch (gOPDthrows) {
				return throwTypeError;
			}
		}
	}())
	: throwTypeError;

var hasSymbols = __webpack_require__(41405)();

var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto

var needsEval = {};

var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array);

var INTRINSICS = {
	'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,
	'%Array%': Array,
	'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,
	'%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined,
	'%AsyncFromSyncIteratorPrototype%': undefined,
	'%AsyncFunction%': needsEval,
	'%AsyncGenerator%': needsEval,
	'%AsyncGeneratorFunction%': needsEval,
	'%AsyncIteratorPrototype%': needsEval,
	'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,
	'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,
	'%Boolean%': Boolean,
	'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,
	'%Date%': Date,
	'%decodeURI%': decodeURI,
	'%decodeURIComponent%': decodeURIComponent,
	'%encodeURI%': encodeURI,
	'%encodeURIComponent%': encodeURIComponent,
	'%Error%': Error,
	'%eval%': eval, // eslint-disable-line no-eval
	'%EvalError%': EvalError,
	'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,
	'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,
	'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,
	'%Function%': $Function,
	'%GeneratorFunction%': needsEval,
	'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,
	'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,
	'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,
	'%isFinite%': isFinite,
	'%isNaN%': isNaN,
	'%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined,
	'%JSON%': typeof JSON === 'object' ? JSON : undefined,
	'%Map%': typeof Map === 'undefined' ? undefined : Map,
	'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()),
	'%Math%': Math,
	'%Number%': Number,
	'%Object%': Object,
	'%parseFloat%': parseFloat,
	'%parseInt%': parseInt,
	'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,
	'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,
	'%RangeError%': RangeError,
	'%ReferenceError%': ReferenceError,
	'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,
	'%RegExp%': RegExp,
	'%Set%': typeof Set === 'undefined' ? undefined : Set,
	'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()),
	'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,
	'%String%': String,
	'%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined,
	'%Symbol%': hasSymbols ? Symbol : undefined,
	'%SyntaxError%': $SyntaxError,
	'%ThrowTypeError%': ThrowTypeError,
	'%TypedArray%': TypedArray,
	'%TypeError%': $TypeError,
	'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,
	'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,
	'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,
	'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,
	'%URIError%': URIError,
	'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,
	'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,
	'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet
};

var doEval = function doEval(name) {
	var value;
	if (name === '%AsyncFunction%') {
		value = getEvalledConstructor('async function () {}');
	} else if (name === '%GeneratorFunction%') {
		value = getEvalledConstructor('function* () {}');
	} else if (name === '%AsyncGeneratorFunction%') {
		value = getEvalledConstructor('async function* () {}');
	} else if (name === '%AsyncGenerator%') {
		var fn = doEval('%AsyncGeneratorFunction%');
		if (fn) {
			value = fn.prototype;
		}
	} else if (name === '%AsyncIteratorPrototype%') {
		var gen = doEval('%AsyncGenerator%');
		if (gen) {
			value = getProto(gen.prototype);
		}
	}

	INTRINSICS[name] = value;

	return value;
};

var LEGACY_ALIASES = {
	'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],
	'%ArrayPrototype%': ['Array', 'prototype'],
	'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],
	'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],
	'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],
	'%ArrayProto_values%': ['Array', 'prototype', 'values'],
	'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],
	'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],
	'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],
	'%BooleanPrototype%': ['Boolean', 'prototype'],
	'%DataViewPrototype%': ['DataView', 'prototype'],
	'%DatePrototype%': ['Date', 'prototype'],
	'%ErrorPrototype%': ['Error', 'prototype'],
	'%EvalErrorPrototype%': ['EvalError', 'prototype'],
	'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],
	'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],
	'%FunctionPrototype%': ['Function', 'prototype'],
	'%Generator%': ['GeneratorFunction', 'prototype'],
	'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],
	'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],
	'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],
	'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],
	'%JSONParse%': ['JSON', 'parse'],
	'%JSONStringify%': ['JSON', 'stringify'],
	'%MapPrototype%': ['Map', 'prototype'],
	'%NumberPrototype%': ['Number', 'prototype'],
	'%ObjectPrototype%': ['Object', 'prototype'],
	'%ObjProto_toString%': ['Object', 'prototype', 'toString'],
	'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],
	'%PromisePrototype%': ['Promise', 'prototype'],
	'%PromiseProto_then%': ['Promise', 'prototype', 'then'],
	'%Promise_all%': ['Promise', 'all'],
	'%Promise_reject%': ['Promise', 'reject'],
	'%Promise_resolve%': ['Promise', 'resolve'],
	'%RangeErrorPrototype%': ['RangeError', 'prototype'],
	'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],
	'%RegExpPrototype%': ['RegExp', 'prototype'],
	'%SetPrototype%': ['Set', 'prototype'],
	'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],
	'%StringPrototype%': ['String', 'prototype'],
	'%SymbolPrototype%': ['Symbol', 'prototype'],
	'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],
	'%TypedArrayPrototype%': ['TypedArray', 'prototype'],
	'%TypeErrorPrototype%': ['TypeError', 'prototype'],
	'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],
	'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],
	'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],
	'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],
	'%URIErrorPrototype%': ['URIError', 'prototype'],
	'%WeakMapPrototype%': ['WeakMap', 'prototype'],
	'%WeakSetPrototype%': ['WeakSet', 'prototype']
};

var bind = __webpack_require__(58612);
var hasOwn = __webpack_require__(17642);
var $concat = bind.call(Function.call, Array.prototype.concat);
var $spliceApply = bind.call(Function.apply, Array.prototype.splice);
var $replace = bind.call(Function.call, String.prototype.replace);
var $strSlice = bind.call(Function.call, String.prototype.slice);

/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
var stringToPath = function stringToPath(string) {
	var first = $strSlice(string, 0, 1);
	var last = $strSlice(string, -1);
	if (first === '%' && last !== '%') {
		throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`');
	} else if (last === '%' && first !== '%') {
		throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`');
	}
	var result = [];
	$replace(string, rePropName, function (match, number, quote, subString) {
		result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;
	});
	return result;
};
/* end adaptation */

var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
	var intrinsicName = name;
	var alias;
	if (hasOwn(LEGACY_ALIASES, intrinsicName)) {
		alias = LEGACY_ALIASES[intrinsicName];
		intrinsicName = '%' + alias[0] + '%';
	}

	if (hasOwn(INTRINSICS, intrinsicName)) {
		var value = INTRINSICS[intrinsicName];
		if (value === needsEval) {
			value = doEval(intrinsicName);
		}
		if (typeof value === 'undefined' && !allowMissing) {
			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
		}

		return {
			alias: alias,
			name: intrinsicName,
			value: value
		};
	}

	throw new $SyntaxError('intrinsic ' + name + ' does not exist!');
};

module.exports = function GetIntrinsic(name, allowMissing) {
	if (typeof name !== 'string' || name.length === 0) {
		throw new $TypeError('intrinsic name must be a non-empty string');
	}
	if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
		throw new $TypeError('"allowMissing" argument must be a boolean');
	}

	var parts = stringToPath(name);
	var intrinsicBaseName = parts.length > 0 ? parts[0] : '';

	var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);
	var intrinsicRealName = intrinsic.name;
	var value = intrinsic.value;
	var skipFurtherCaching = false;

	var alias = intrinsic.alias;
	if (alias) {
		intrinsicBaseName = alias[0];
		$spliceApply(parts, $concat([0, 1], alias));
	}

	for (var i = 1, isOwn = true; i < parts.length; i += 1) {
		var part = parts[i];
		var first = $strSlice(part, 0, 1);
		var last = $strSlice(part, -1);
		if (
			(
				(first === '"' || first === "'" || first === '`')
				|| (last === '"' || last === "'" || last === '`')
			)
			&& first !== last
		) {
			throw new $SyntaxError('property names with quotes must have matching quotes');
		}
		if (part === 'constructor' || !isOwn) {
			skipFurtherCaching = true;
		}

		intrinsicBaseName += '.' + part;
		intrinsicRealName = '%' + intrinsicBaseName + '%';

		if (hasOwn(INTRINSICS, intrinsicRealName)) {
			value = INTRINSICS[intrinsicRealName];
		} else if (value != null) {
			if (!(part in value)) {
				if (!allowMissing) {
					throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
				}
				return void undefined;
			}
			if ($gOPD && (i + 1) >= parts.length) {
				var desc = $gOPD(value, part);
				isOwn = !!desc;

				// By convention, when a data property is converted to an accessor
				// property to emulate a data property that does not suffer from
				// the override mistake, that accessor's getter is marked with
				// an `originalValue` property. Here, when we detect this, we
				// uphold the illusion by pretending to see that original data
				// property, i.e., returning the value rather than the getter
				// itself.
				if (isOwn && 'get' in desc && !('originalValue' in desc.get)) {
					value = desc.get;
				} else {
					value = value[part];
				}
			} else {
				isOwn = hasOwn(value, part);
				value = value[part];
			}

			if (isOwn && !skipFurtherCaching) {
				INTRINSICS[intrinsicRealName] = value;
			}
		}
	}
	return value;
};


/***/ }),

/***/ 41405:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var origSymbol = typeof Symbol !== 'undefined' && Symbol;
var hasSymbolSham = __webpack_require__(55419);

module.exports = function hasNativeSymbols() {
	if (typeof origSymbol !== 'function') { return false; }
	if (typeof Symbol !== 'function') { return false; }
	if (typeof origSymbol('foo') !== 'symbol') { return false; }
	if (typeof Symbol('bar') !== 'symbol') { return false; }

	return hasSymbolSham();
};


/***/ }),

/***/ 55419:
/***/ ((module) => {

"use strict";


/* eslint complexity: [2, 18], max-statements: [2, 33] */
module.exports = function hasSymbols() {
	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
	if (typeof Symbol.iterator === 'symbol') { return true; }

	var obj = {};
	var sym = Symbol('test');
	var symObj = Object(sym);
	if (typeof sym === 'string') { return false; }

	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }

	// temp disabled per https://github.com/ljharb/object.assign/issues/17
	// if (sym instanceof Symbol) { return false; }
	// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
	// if (!(symObj instanceof Symbol)) { return false; }

	// if (typeof Symbol.prototype.toString !== 'function') { return false; }
	// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }

	var symVal = 42;
	obj[sym] = symVal;
	for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }

	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }

	var syms = Object.getOwnPropertySymbols(obj);
	if (syms.length !== 1 || syms[0] !== sym) { return false; }

	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }

	if (typeof Object.getOwnPropertyDescriptor === 'function') {
		var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
	}

	return true;
};


/***/ }),

/***/ 96410:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var hasSymbols = __webpack_require__(55419);

module.exports = function hasToStringTagShams() {
	return hasSymbols() && !!Symbol.toStringTag;
};


/***/ }),

/***/ 17642:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var bind = __webpack_require__(58612);

module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty);


/***/ }),

/***/ 3349:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var Buffer = (__webpack_require__(89509).Buffer)
var Transform = (__webpack_require__(88473).Transform)
var inherits = __webpack_require__(35717)

function throwIfNotStringOrBuffer (val, prefix) {
  if (!Buffer.isBuffer(val) && typeof val !== 'string') {
    throw new TypeError(prefix + ' must be a string or a buffer')
  }
}

function HashBase (blockSize) {
  Transform.call(this)

  this._block = Buffer.allocUnsafe(blockSize)
  this._blockSize = blockSize
  this._blockOffset = 0
  this._length = [0, 0, 0, 0]

  this._finalized = false
}

inherits(HashBase, Transform)

HashBase.prototype._transform = function (chunk, encoding, callback) {
  var error = null
  try {
    this.update(chunk, encoding)
  } catch (err) {
    error = err
  }

  callback(error)
}

HashBase.prototype._flush = function (callback) {
  var error = null
  try {
    this.push(this.digest())
  } catch (err) {
    error = err
  }

  callback(error)
}

HashBase.prototype.update = function (data, encoding) {
  throwIfNotStringOrBuffer(data, 'Data')
  if (this._finalized) throw new Error('Digest already called')
  if (!Buffer.isBuffer(data)) data = Buffer.from(data, encoding)

  // consume data
  var block = this._block
  var offset = 0
  while (this._blockOffset + data.length - offset >= this._blockSize) {
    for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
    this._update()
    this._blockOffset = 0
  }
  while (offset < data.length) block[this._blockOffset++] = data[offset++]

  // update length
  for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
    this._length[j] += carry
    carry = (this._length[j] / 0x0100000000) | 0
    if (carry > 0) this._length[j] -= 0x0100000000 * carry
  }

  return this
}

HashBase.prototype._update = function () {
  throw new Error('_update is not implemented')
}

HashBase.prototype.digest = function (encoding) {
  if (this._finalized) throw new Error('Digest already called')
  this._finalized = true

  var digest = this._digest()
  if (encoding !== undefined) digest = digest.toString(encoding)

  // reset state
  this._block.fill(0)
  this._blockOffset = 0
  for (var i = 0; i < 4; ++i) this._length[i] = 0

  return digest
}

HashBase.prototype._digest = function () {
  throw new Error('_digest is not implemented')
}

module.exports = HashBase


/***/ }),

/***/ 33715:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var hash = exports;

hash.utils = __webpack_require__(26436);
hash.common = __webpack_require__(95772);
hash.sha = __webpack_require__(89041);
hash.ripemd = __webpack_require__(12949);
hash.hmac = __webpack_require__(52344);

// Proxy hash functions to the main object
hash.sha1 = hash.sha.sha1;
hash.sha256 = hash.sha.sha256;
hash.sha224 = hash.sha.sha224;
hash.sha384 = hash.sha.sha384;
hash.sha512 = hash.sha.sha512;
hash.ripemd160 = hash.ripemd.ripemd160;


/***/ }),

/***/ 95772:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var assert = __webpack_require__(79746);

function BlockHash() {
  this.pending = null;
  this.pendingTotal = 0;
  this.blockSize = this.constructor.blockSize;
  this.outSize = this.constructor.outSize;
  this.hmacStrength = this.constructor.hmacStrength;
  this.padLength = this.constructor.padLength / 8;
  this.endian = 'big';

  this._delta8 = this.blockSize / 8;
  this._delta32 = this.blockSize / 32;
}
exports.BlockHash = BlockHash;

BlockHash.prototype.update = function update(msg, enc) {
  // Convert message to array, pad it, and join into 32bit blocks
  msg = utils.toArray(msg, enc);
  if (!this.pending)
    this.pending = msg;
  else
    this.pending = this.pending.concat(msg);
  this.pendingTotal += msg.length;

  // Enough data, try updating
  if (this.pending.length >= this._delta8) {
    msg = this.pending;

    // Process pending data in blocks
    var r = msg.length % this._delta8;
    this.pending = msg.slice(msg.length - r, msg.length);
    if (this.pending.length === 0)
      this.pending = null;

    msg = utils.join32(msg, 0, msg.length - r, this.endian);
    for (var i = 0; i < msg.length; i += this._delta32)
      this._update(msg, i, i + this._delta32);
  }

  return this;
};

BlockHash.prototype.digest = function digest(enc) {
  this.update(this._pad());
  assert(this.pending === null);

  return this._digest(enc);
};

BlockHash.prototype._pad = function pad() {
  var len = this.pendingTotal;
  var bytes = this._delta8;
  var k = bytes - ((len + this.padLength) % bytes);
  var res = new Array(k + this.padLength);
  res[0] = 0x80;
  for (var i = 1; i < k; i++)
    res[i] = 0;

  // Append length
  len <<= 3;
  if (this.endian === 'big') {
    for (var t = 8; t < this.padLength; t++)
      res[i++] = 0;

    res[i++] = 0;
    res[i++] = 0;
    res[i++] = 0;
    res[i++] = 0;
    res[i++] = (len >>> 24) & 0xff;
    res[i++] = (len >>> 16) & 0xff;
    res[i++] = (len >>> 8) & 0xff;
    res[i++] = len & 0xff;
  } else {
    res[i++] = len & 0xff;
    res[i++] = (len >>> 8) & 0xff;
    res[i++] = (len >>> 16) & 0xff;
    res[i++] = (len >>> 24) & 0xff;
    res[i++] = 0;
    res[i++] = 0;
    res[i++] = 0;
    res[i++] = 0;

    for (t = 8; t < this.padLength; t++)
      res[i++] = 0;
  }

  return res;
};


/***/ }),

/***/ 52344:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var assert = __webpack_require__(79746);

function Hmac(hash, key, enc) {
  if (!(this instanceof Hmac))
    return new Hmac(hash, key, enc);
  this.Hash = hash;
  this.blockSize = hash.blockSize / 8;
  this.outSize = hash.outSize / 8;
  this.inner = null;
  this.outer = null;

  this._init(utils.toArray(key, enc));
}
module.exports = Hmac;

Hmac.prototype._init = function init(key) {
  // Shorten key, if needed
  if (key.length > this.blockSize)
    key = new this.Hash().update(key).digest();
  assert(key.length <= this.blockSize);

  // Add padding to key
  for (var i = key.length; i < this.blockSize; i++)
    key.push(0);

  for (i = 0; i < key.length; i++)
    key[i] ^= 0x36;
  this.inner = new this.Hash().update(key);

  // 0x36 ^ 0x5c = 0x6a
  for (i = 0; i < key.length; i++)
    key[i] ^= 0x6a;
  this.outer = new this.Hash().update(key);
};

Hmac.prototype.update = function update(msg, enc) {
  this.inner.update(msg, enc);
  return this;
};

Hmac.prototype.digest = function digest(enc) {
  this.outer.update(this.inner.digest());
  return this.outer.digest(enc);
};


/***/ }),

/***/ 12949:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var common = __webpack_require__(95772);

var rotl32 = utils.rotl32;
var sum32 = utils.sum32;
var sum32_3 = utils.sum32_3;
var sum32_4 = utils.sum32_4;
var BlockHash = common.BlockHash;

function RIPEMD160() {
  if (!(this instanceof RIPEMD160))
    return new RIPEMD160();

  BlockHash.call(this);

  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
  this.endian = 'little';
}
utils.inherits(RIPEMD160, BlockHash);
exports.ripemd160 = RIPEMD160;

RIPEMD160.blockSize = 512;
RIPEMD160.outSize = 160;
RIPEMD160.hmacStrength = 192;
RIPEMD160.padLength = 64;

RIPEMD160.prototype._update = function update(msg, start) {
  var A = this.h[0];
  var B = this.h[1];
  var C = this.h[2];
  var D = this.h[3];
  var E = this.h[4];
  var Ah = A;
  var Bh = B;
  var Ch = C;
  var Dh = D;
  var Eh = E;
  for (var j = 0; j < 80; j++) {
    var T = sum32(
      rotl32(
        sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
        s[j]),
      E);
    A = E;
    E = D;
    D = rotl32(C, 10);
    C = B;
    B = T;
    T = sum32(
      rotl32(
        sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
        sh[j]),
      Eh);
    Ah = Eh;
    Eh = Dh;
    Dh = rotl32(Ch, 10);
    Ch = Bh;
    Bh = T;
  }
  T = sum32_3(this.h[1], C, Dh);
  this.h[1] = sum32_3(this.h[2], D, Eh);
  this.h[2] = sum32_3(this.h[3], E, Ah);
  this.h[3] = sum32_3(this.h[4], A, Bh);
  this.h[4] = sum32_3(this.h[0], B, Ch);
  this.h[0] = T;
};

RIPEMD160.prototype._digest = function digest(enc) {
  if (enc === 'hex')
    return utils.toHex32(this.h, 'little');
  else
    return utils.split32(this.h, 'little');
};

function f(j, x, y, z) {
  if (j <= 15)
    return x ^ y ^ z;
  else if (j <= 31)
    return (x & y) | ((~x) & z);
  else if (j <= 47)
    return (x | (~y)) ^ z;
  else if (j <= 63)
    return (x & z) | (y & (~z));
  else
    return x ^ (y | (~z));
}

function K(j) {
  if (j <= 15)
    return 0x00000000;
  else if (j <= 31)
    return 0x5a827999;
  else if (j <= 47)
    return 0x6ed9eba1;
  else if (j <= 63)
    return 0x8f1bbcdc;
  else
    return 0xa953fd4e;
}

function Kh(j) {
  if (j <= 15)
    return 0x50a28be6;
  else if (j <= 31)
    return 0x5c4dd124;
  else if (j <= 47)
    return 0x6d703ef3;
  else if (j <= 63)
    return 0x7a6d76e9;
  else
    return 0x00000000;
}

var r = [
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
];

var rh = [
  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
];

var s = [
  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
];

var sh = [
  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
];


/***/ }),

/***/ 89041:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


exports.sha1 = __webpack_require__(84761);
exports.sha224 = __webpack_require__(10799);
exports.sha256 = __webpack_require__(89344);
exports.sha384 = __webpack_require__(80772);
exports.sha512 = __webpack_require__(45900);


/***/ }),

/***/ 84761:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var common = __webpack_require__(95772);
var shaCommon = __webpack_require__(37038);

var rotl32 = utils.rotl32;
var sum32 = utils.sum32;
var sum32_5 = utils.sum32_5;
var ft_1 = shaCommon.ft_1;
var BlockHash = common.BlockHash;

var sha1_K = [
  0x5A827999, 0x6ED9EBA1,
  0x8F1BBCDC, 0xCA62C1D6
];

function SHA1() {
  if (!(this instanceof SHA1))
    return new SHA1();

  BlockHash.call(this);
  this.h = [
    0x67452301, 0xefcdab89, 0x98badcfe,
    0x10325476, 0xc3d2e1f0 ];
  this.W = new Array(80);
}

utils.inherits(SHA1, BlockHash);
module.exports = SHA1;

SHA1.blockSize = 512;
SHA1.outSize = 160;
SHA1.hmacStrength = 80;
SHA1.padLength = 64;

SHA1.prototype._update = function _update(msg, start) {
  var W = this.W;

  for (var i = 0; i < 16; i++)
    W[i] = msg[start + i];

  for(; i < W.length; i++)
    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);

  var a = this.h[0];
  var b = this.h[1];
  var c = this.h[2];
  var d = this.h[3];
  var e = this.h[4];

  for (i = 0; i < W.length; i++) {
    var s = ~~(i / 20);
    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
    e = d;
    d = c;
    c = rotl32(b, 30);
    b = a;
    a = t;
  }

  this.h[0] = sum32(this.h[0], a);
  this.h[1] = sum32(this.h[1], b);
  this.h[2] = sum32(this.h[2], c);
  this.h[3] = sum32(this.h[3], d);
  this.h[4] = sum32(this.h[4], e);
};

SHA1.prototype._digest = function digest(enc) {
  if (enc === 'hex')
    return utils.toHex32(this.h, 'big');
  else
    return utils.split32(this.h, 'big');
};


/***/ }),

/***/ 10799:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var SHA256 = __webpack_require__(89344);

function SHA224() {
  if (!(this instanceof SHA224))
    return new SHA224();

  SHA256.call(this);
  this.h = [
    0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
    0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
}
utils.inherits(SHA224, SHA256);
module.exports = SHA224;

SHA224.blockSize = 512;
SHA224.outSize = 224;
SHA224.hmacStrength = 192;
SHA224.padLength = 64;

SHA224.prototype._digest = function digest(enc) {
  // Just truncate output
  if (enc === 'hex')
    return utils.toHex32(this.h.slice(0, 7), 'big');
  else
    return utils.split32(this.h.slice(0, 7), 'big');
};



/***/ }),

/***/ 89344:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var common = __webpack_require__(95772);
var shaCommon = __webpack_require__(37038);
var assert = __webpack_require__(79746);

var sum32 = utils.sum32;
var sum32_4 = utils.sum32_4;
var sum32_5 = utils.sum32_5;
var ch32 = shaCommon.ch32;
var maj32 = shaCommon.maj32;
var s0_256 = shaCommon.s0_256;
var s1_256 = shaCommon.s1_256;
var g0_256 = shaCommon.g0_256;
var g1_256 = shaCommon.g1_256;

var BlockHash = common.BlockHash;

var sha256_K = [
  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
];

function SHA256() {
  if (!(this instanceof SHA256))
    return new SHA256();

  BlockHash.call(this);
  this.h = [
    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
  ];
  this.k = sha256_K;
  this.W = new Array(64);
}
utils.inherits(SHA256, BlockHash);
module.exports = SHA256;

SHA256.blockSize = 512;
SHA256.outSize = 256;
SHA256.hmacStrength = 192;
SHA256.padLength = 64;

SHA256.prototype._update = function _update(msg, start) {
  var W = this.W;

  for (var i = 0; i < 16; i++)
    W[i] = msg[start + i];
  for (; i < W.length; i++)
    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);

  var a = this.h[0];
  var b = this.h[1];
  var c = this.h[2];
  var d = this.h[3];
  var e = this.h[4];
  var f = this.h[5];
  var g = this.h[6];
  var h = this.h[7];

  assert(this.k.length === W.length);
  for (i = 0; i < W.length; i++) {
    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
    var T2 = sum32(s0_256(a), maj32(a, b, c));
    h = g;
    g = f;
    f = e;
    e = sum32(d, T1);
    d = c;
    c = b;
    b = a;
    a = sum32(T1, T2);
  }

  this.h[0] = sum32(this.h[0], a);
  this.h[1] = sum32(this.h[1], b);
  this.h[2] = sum32(this.h[2], c);
  this.h[3] = sum32(this.h[3], d);
  this.h[4] = sum32(this.h[4], e);
  this.h[5] = sum32(this.h[5], f);
  this.h[6] = sum32(this.h[6], g);
  this.h[7] = sum32(this.h[7], h);
};

SHA256.prototype._digest = function digest(enc) {
  if (enc === 'hex')
    return utils.toHex32(this.h, 'big');
  else
    return utils.split32(this.h, 'big');
};


/***/ }),

/***/ 80772:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);

var SHA512 = __webpack_require__(45900);

function SHA384() {
  if (!(this instanceof SHA384))
    return new SHA384();

  SHA512.call(this);
  this.h = [
    0xcbbb9d5d, 0xc1059ed8,
    0x629a292a, 0x367cd507,
    0x9159015a, 0x3070dd17,
    0x152fecd8, 0xf70e5939,
    0x67332667, 0xffc00b31,
    0x8eb44a87, 0x68581511,
    0xdb0c2e0d, 0x64f98fa7,
    0x47b5481d, 0xbefa4fa4 ];
}
utils.inherits(SHA384, SHA512);
module.exports = SHA384;

SHA384.blockSize = 1024;
SHA384.outSize = 384;
SHA384.hmacStrength = 192;
SHA384.padLength = 128;

SHA384.prototype._digest = function digest(enc) {
  if (enc === 'hex')
    return utils.toHex32(this.h.slice(0, 12), 'big');
  else
    return utils.split32(this.h.slice(0, 12), 'big');
};


/***/ }),

/***/ 45900:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var common = __webpack_require__(95772);
var assert = __webpack_require__(79746);

var rotr64_hi = utils.rotr64_hi;
var rotr64_lo = utils.rotr64_lo;
var shr64_hi = utils.shr64_hi;
var shr64_lo = utils.shr64_lo;
var sum64 = utils.sum64;
var sum64_hi = utils.sum64_hi;
var sum64_lo = utils.sum64_lo;
var sum64_4_hi = utils.sum64_4_hi;
var sum64_4_lo = utils.sum64_4_lo;
var sum64_5_hi = utils.sum64_5_hi;
var sum64_5_lo = utils.sum64_5_lo;

var BlockHash = common.BlockHash;

var sha512_K = [
  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
];

function SHA512() {
  if (!(this instanceof SHA512))
    return new SHA512();

  BlockHash.call(this);
  this.h = [
    0x6a09e667, 0xf3bcc908,
    0xbb67ae85, 0x84caa73b,
    0x3c6ef372, 0xfe94f82b,
    0xa54ff53a, 0x5f1d36f1,
    0x510e527f, 0xade682d1,
    0x9b05688c, 0x2b3e6c1f,
    0x1f83d9ab, 0xfb41bd6b,
    0x5be0cd19, 0x137e2179 ];
  this.k = sha512_K;
  this.W = new Array(160);
}
utils.inherits(SHA512, BlockHash);
module.exports = SHA512;

SHA512.blockSize = 1024;
SHA512.outSize = 512;
SHA512.hmacStrength = 192;
SHA512.padLength = 128;

SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
  var W = this.W;

  // 32 x 32bit words
  for (var i = 0; i < 32; i++)
    W[i] = msg[start + i];
  for (; i < W.length; i += 2) {
    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
    var c1_hi = W[i - 14];  // i - 7
    var c1_lo = W[i - 13];
    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
    var c3_hi = W[i - 32];  // i - 16
    var c3_lo = W[i - 31];

    W[i] = sum64_4_hi(
      c0_hi, c0_lo,
      c1_hi, c1_lo,
      c2_hi, c2_lo,
      c3_hi, c3_lo);
    W[i + 1] = sum64_4_lo(
      c0_hi, c0_lo,
      c1_hi, c1_lo,
      c2_hi, c2_lo,
      c3_hi, c3_lo);
  }
};

SHA512.prototype._update = function _update(msg, start) {
  this._prepareBlock(msg, start);

  var W = this.W;

  var ah = this.h[0];
  var al = this.h[1];
  var bh = this.h[2];
  var bl = this.h[3];
  var ch = this.h[4];
  var cl = this.h[5];
  var dh = this.h[6];
  var dl = this.h[7];
  var eh = this.h[8];
  var el = this.h[9];
  var fh = this.h[10];
  var fl = this.h[11];
  var gh = this.h[12];
  var gl = this.h[13];
  var hh = this.h[14];
  var hl = this.h[15];

  assert(this.k.length === W.length);
  for (var i = 0; i < W.length; i += 2) {
    var c0_hi = hh;
    var c0_lo = hl;
    var c1_hi = s1_512_hi(eh, el);
    var c1_lo = s1_512_lo(eh, el);
    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
    var c3_hi = this.k[i];
    var c3_lo = this.k[i + 1];
    var c4_hi = W[i];
    var c4_lo = W[i + 1];

    var T1_hi = sum64_5_hi(
      c0_hi, c0_lo,
      c1_hi, c1_lo,
      c2_hi, c2_lo,
      c3_hi, c3_lo,
      c4_hi, c4_lo);
    var T1_lo = sum64_5_lo(
      c0_hi, c0_lo,
      c1_hi, c1_lo,
      c2_hi, c2_lo,
      c3_hi, c3_lo,
      c4_hi, c4_lo);

    c0_hi = s0_512_hi(ah, al);
    c0_lo = s0_512_lo(ah, al);
    c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
    c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);

    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);

    hh = gh;
    hl = gl;

    gh = fh;
    gl = fl;

    fh = eh;
    fl = el;

    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
    el = sum64_lo(dl, dl, T1_hi, T1_lo);

    dh = ch;
    dl = cl;

    ch = bh;
    cl = bl;

    bh = ah;
    bl = al;

    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
  }

  sum64(this.h, 0, ah, al);
  sum64(this.h, 2, bh, bl);
  sum64(this.h, 4, ch, cl);
  sum64(this.h, 6, dh, dl);
  sum64(this.h, 8, eh, el);
  sum64(this.h, 10, fh, fl);
  sum64(this.h, 12, gh, gl);
  sum64(this.h, 14, hh, hl);
};

SHA512.prototype._digest = function digest(enc) {
  if (enc === 'hex')
    return utils.toHex32(this.h, 'big');
  else
    return utils.split32(this.h, 'big');
};

function ch64_hi(xh, xl, yh, yl, zh) {
  var r = (xh & yh) ^ ((~xh) & zh);
  if (r < 0)
    r += 0x100000000;
  return r;
}

function ch64_lo(xh, xl, yh, yl, zh, zl) {
  var r = (xl & yl) ^ ((~xl) & zl);
  if (r < 0)
    r += 0x100000000;
  return r;
}

function maj64_hi(xh, xl, yh, yl, zh) {
  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
  if (r < 0)
    r += 0x100000000;
  return r;
}

function maj64_lo(xh, xl, yh, yl, zh, zl) {
  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
  if (r < 0)
    r += 0x100000000;
  return r;
}

function s0_512_hi(xh, xl) {
  var c0_hi = rotr64_hi(xh, xl, 28);
  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
  var c2_hi = rotr64_hi(xl, xh, 7);  // 39

  var r = c0_hi ^ c1_hi ^ c2_hi;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function s0_512_lo(xh, xl) {
  var c0_lo = rotr64_lo(xh, xl, 28);
  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
  var c2_lo = rotr64_lo(xl, xh, 7);  // 39

  var r = c0_lo ^ c1_lo ^ c2_lo;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function s1_512_hi(xh, xl) {
  var c0_hi = rotr64_hi(xh, xl, 14);
  var c1_hi = rotr64_hi(xh, xl, 18);
  var c2_hi = rotr64_hi(xl, xh, 9);  // 41

  var r = c0_hi ^ c1_hi ^ c2_hi;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function s1_512_lo(xh, xl) {
  var c0_lo = rotr64_lo(xh, xl, 14);
  var c1_lo = rotr64_lo(xh, xl, 18);
  var c2_lo = rotr64_lo(xl, xh, 9);  // 41

  var r = c0_lo ^ c1_lo ^ c2_lo;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function g0_512_hi(xh, xl) {
  var c0_hi = rotr64_hi(xh, xl, 1);
  var c1_hi = rotr64_hi(xh, xl, 8);
  var c2_hi = shr64_hi(xh, xl, 7);

  var r = c0_hi ^ c1_hi ^ c2_hi;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function g0_512_lo(xh, xl) {
  var c0_lo = rotr64_lo(xh, xl, 1);
  var c1_lo = rotr64_lo(xh, xl, 8);
  var c2_lo = shr64_lo(xh, xl, 7);

  var r = c0_lo ^ c1_lo ^ c2_lo;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function g1_512_hi(xh, xl) {
  var c0_hi = rotr64_hi(xh, xl, 19);
  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
  var c2_hi = shr64_hi(xh, xl, 6);

  var r = c0_hi ^ c1_hi ^ c2_hi;
  if (r < 0)
    r += 0x100000000;
  return r;
}

function g1_512_lo(xh, xl) {
  var c0_lo = rotr64_lo(xh, xl, 19);
  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
  var c2_lo = shr64_lo(xh, xl, 6);

  var r = c0_lo ^ c1_lo ^ c2_lo;
  if (r < 0)
    r += 0x100000000;
  return r;
}


/***/ }),

/***/ 37038:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var utils = __webpack_require__(26436);
var rotr32 = utils.rotr32;

function ft_1(s, x, y, z) {
  if (s === 0)
    return ch32(x, y, z);
  if (s === 1 || s === 3)
    return p32(x, y, z);
  if (s === 2)
    return maj32(x, y, z);
}
exports.ft_1 = ft_1;

function ch32(x, y, z) {
  return (x & y) ^ ((~x) & z);
}
exports.ch32 = ch32;

function maj32(x, y, z) {
  return (x & y) ^ (x & z) ^ (y & z);
}
exports.maj32 = maj32;

function p32(x, y, z) {
  return x ^ y ^ z;
}
exports.p32 = p32;

function s0_256(x) {
  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
}
exports.s0_256 = s0_256;

function s1_256(x) {
  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
}
exports.s1_256 = s1_256;

function g0_256(x) {
  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
}
exports.g0_256 = g0_256;

function g1_256(x) {
  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
}
exports.g1_256 = g1_256;


/***/ }),

/***/ 26436:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


var assert = __webpack_require__(79746);
var inherits = __webpack_require__(35717);

exports.inherits = inherits;

function isSurrogatePair(msg, i) {
  if ((msg.charCodeAt(i) & 0xFC00) !== 0xD800) {
    return false;
  }
  if (i < 0 || i + 1 >= msg.length) {
    return false;
  }
  return (msg.charCodeAt(i + 1) & 0xFC00) === 0xDC00;
}

function toArray(msg, enc) {
  if (Array.isArray(msg))
    return msg.slice();
  if (!msg)
    return [];
  var res = [];
  if (typeof msg === 'string') {
    if (!enc) {
      // Inspired by stringToUtf8ByteArray() in closure-library by Google
      // https://github.com/google/closure-library/blob/8598d87242af59aac233270742c8984e2b2bdbe0/closure/goog/crypt/crypt.js#L117-L143
      // Apache License 2.0
      // https://github.com/google/closure-library/blob/master/LICENSE
      var p = 0;
      for (var i = 0; i < msg.length; i++) {
        var c = msg.charCodeAt(i);
        if (c < 128) {
          res[p++] = c;
        } else if (c < 2048) {
          res[p++] = (c >> 6) | 192;
          res[p++] = (c & 63) | 128;
        } else if (isSurrogatePair(msg, i)) {
          c = 0x10000 + ((c & 0x03FF) << 10) + (msg.charCodeAt(++i) & 0x03FF);
          res[p++] = (c >> 18) | 240;
          res[p++] = ((c >> 12) & 63) | 128;
          res[p++] = ((c >> 6) & 63) | 128;
          res[p++] = (c & 63) | 128;
        } else {
          res[p++] = (c >> 12) | 224;
          res[p++] = ((c >> 6) & 63) | 128;
          res[p++] = (c & 63) | 128;
        }
      }
    } else if (enc === 'hex') {
      msg = msg.replace(/[^a-z0-9]+/ig, '');
      if (msg.length % 2 !== 0)
        msg = '0' + msg;
      for (i = 0; i < msg.length; i += 2)
        res.push(parseInt(msg[i] + msg[i + 1], 16));
    }
  } else {
    for (i = 0; i < msg.length; i++)
      res[i] = msg[i] | 0;
  }
  return res;
}
exports.toArray = toArray;

function toHex(msg) {
  var res = '';
  for (var i = 0; i < msg.length; i++)
    res += zero2(msg[i].toString(16));
  return res;
}
exports.toHex = toHex;

function htonl(w) {
  var res = (w >>> 24) |
            ((w >>> 8) & 0xff00) |
            ((w << 8) & 0xff0000) |
            ((w & 0xff) << 24);
  return res >>> 0;
}
exports.htonl = htonl;

function toHex32(msg, endian) {
  var res = '';
  for (var i = 0; i < msg.length; i++) {
    var w = msg[i];
    if (endian === 'little')
      w = htonl(w);
    res += zero8(w.toString(16));
  }
  return res;
}
exports.toHex32 = toHex32;

function zero2(word) {
  if (word.length === 1)
    return '0' + word;
  else
    return word;
}
exports.zero2 = zero2;

function zero8(word) {
  if (word.length === 7)
    return '0' + word;
  else if (word.length === 6)
    return '00' + word;
  else if (word.length === 5)
    return '000' + word;
  else if (word.length === 4)
    return '0000' + word;
  else if (word.length === 3)
    return '00000' + word;
  else if (word.length === 2)
    return '000000' + word;
  else if (word.length === 1)
    return '0000000' + word;
  else
    return word;
}
exports.zero8 = zero8;

function join32(msg, start, end, endian) {
  var len = end - start;
  assert(len % 4 === 0);
  var res = new Array(len / 4);
  for (var i = 0, k = start; i < res.length; i++, k += 4) {
    var w;
    if (endian === 'big')
      w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
    else
      w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
    res[i] = w >>> 0;
  }
  return res;
}
exports.join32 = join32;

function split32(msg, endian) {
  var res = new Array(msg.length * 4);
  for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
    var m = msg[i];
    if (endian === 'big') {
      res[k] = m >>> 24;
      res[k + 1] = (m >>> 16) & 0xff;
      res[k + 2] = (m >>> 8) & 0xff;
      res[k + 3] = m & 0xff;
    } else {
      res[k + 3] = m >>> 24;
      res[k + 2] = (m >>> 16) & 0xff;
      res[k + 1] = (m >>> 8) & 0xff;
      res[k] = m & 0xff;
    }
  }
  return res;
}
exports.split32 = split32;

function rotr32(w, b) {
  return (w >>> b) | (w << (32 - b));
}
exports.rotr32 = rotr32;

function rotl32(w, b) {
  return (w << b) | (w >>> (32 - b));
}
exports.rotl32 = rotl32;

function sum32(a, b) {
  return (a + b) >>> 0;
}
exports.sum32 = sum32;

function sum32_3(a, b, c) {
  return (a + b + c) >>> 0;
}
exports.sum32_3 = sum32_3;

function sum32_4(a, b, c, d) {
  return (a + b + c + d) >>> 0;
}
exports.sum32_4 = sum32_4;

function sum32_5(a, b, c, d, e) {
  return (a + b + c + d + e) >>> 0;
}
exports.sum32_5 = sum32_5;

function sum64(buf, pos, ah, al) {
  var bh = buf[pos];
  var bl = buf[pos + 1];

  var lo = (al + bl) >>> 0;
  var hi = (lo < al ? 1 : 0) + ah + bh;
  buf[pos] = hi >>> 0;
  buf[pos + 1] = lo;
}
exports.sum64 = sum64;

function sum64_hi(ah, al, bh, bl) {
  var lo = (al + bl) >>> 0;
  var hi = (lo < al ? 1 : 0) + ah + bh;
  return hi >>> 0;
}
exports.sum64_hi = sum64_hi;

function sum64_lo(ah, al, bh, bl) {
  var lo = al + bl;
  return lo >>> 0;
}
exports.sum64_lo = sum64_lo;

function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
  var carry = 0;
  var lo = al;
  lo = (lo + bl) >>> 0;
  carry += lo < al ? 1 : 0;
  lo = (lo + cl) >>> 0;
  carry += lo < cl ? 1 : 0;
  lo = (lo + dl) >>> 0;
  carry += lo < dl ? 1 : 0;

  var hi = ah + bh + ch + dh + carry;
  return hi >>> 0;
}
exports.sum64_4_hi = sum64_4_hi;

function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
  var lo = al + bl + cl + dl;
  return lo >>> 0;
}
exports.sum64_4_lo = sum64_4_lo;

function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
  var carry = 0;
  var lo = al;
  lo = (lo + bl) >>> 0;
  carry += lo < al ? 1 : 0;
  lo = (lo + cl) >>> 0;
  carry += lo < cl ? 1 : 0;
  lo = (lo + dl) >>> 0;
  carry += lo < dl ? 1 : 0;
  lo = (lo + el) >>> 0;
  carry += lo < el ? 1 : 0;

  var hi = ah + bh + ch + dh + eh + carry;
  return hi >>> 0;
}
exports.sum64_5_hi = sum64_5_hi;

function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
  var lo = al + bl + cl + dl + el;

  return lo >>> 0;
}
exports.sum64_5_lo = sum64_5_lo;

function rotr64_hi(ah, al, num) {
  var r = (al << (32 - num)) | (ah >>> num);
  return r >>> 0;
}
exports.rotr64_hi = rotr64_hi;

function rotr64_lo(ah, al, num) {
  var r = (ah << (32 - num)) | (al >>> num);
  return r >>> 0;
}
exports.rotr64_lo = rotr64_lo;

function shr64_hi(ah, al, num) {
  return ah >>> num;
}
exports.shr64_hi = shr64_hi;

function shr64_lo(ah, al, num) {
  var r = (ah << (32 - num)) | (al >>> num);
  return r >>> 0;
}
exports.shr64_lo = shr64_lo;


/***/ }),

/***/ 2156:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var hash = __webpack_require__(33715);
var utils = __webpack_require__(34504);
var assert = __webpack_require__(79746);

function HmacDRBG(options) {
  if (!(this instanceof HmacDRBG))
    return new HmacDRBG(options);
  this.hash = options.hash;
  this.predResist = !!options.predResist;

  this.outLen = this.hash.outSize;
  this.minEntropy = options.minEntropy || this.hash.hmacStrength;

  this._reseed = null;
  this.reseedInterval = null;
  this.K = null;
  this.V = null;

  var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex');
  var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex');
  var pers = utils.toArray(options.pers, options.persEnc || 'hex');
  assert(entropy.length >= (this.minEntropy / 8),
         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
  this._init(entropy, nonce, pers);
}
module.exports = HmacDRBG;

HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
  var seed = entropy.concat(nonce).concat(pers);

  this.K = new Array(this.outLen / 8);
  this.V = new Array(this.outLen / 8);
  for (var i = 0; i < this.V.length; i++) {
    this.K[i] = 0x00;
    this.V[i] = 0x01;
  }

  this._update(seed);
  this._reseed = 1;
  this.reseedInterval = 0x1000000000000;  // 2^48
};

HmacDRBG.prototype._hmac = function hmac() {
  return new hash.hmac(this.hash, this.K);
};

HmacDRBG.prototype._update = function update(seed) {
  var kmac = this._hmac()
                 .update(this.V)
                 .update([ 0x00 ]);
  if (seed)
    kmac = kmac.update(seed);
  this.K = kmac.digest();
  this.V = this._hmac().update(this.V).digest();
  if (!seed)
    return;

  this.K = this._hmac()
               .update(this.V)
               .update([ 0x01 ])
               .update(seed)
               .digest();
  this.V = this._hmac().update(this.V).digest();
};

HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
  // Optional entropy enc
  if (typeof entropyEnc !== 'string') {
    addEnc = add;
    add = entropyEnc;
    entropyEnc = null;
  }

  entropy = utils.toArray(entropy, entropyEnc);
  add = utils.toArray(add, addEnc);

  assert(entropy.length >= (this.minEntropy / 8),
         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');

  this._update(entropy.concat(add || []));
  this._reseed = 1;
};

HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
  if (this._reseed > this.reseedInterval)
    throw new Error('Reseed is required');

  // Optional encoding
  if (typeof enc !== 'string') {
    addEnc = add;
    add = enc;
    enc = null;
  }

  // Optional additional data
  if (add) {
    add = utils.toArray(add, addEnc || 'hex');
    this._update(add);
  }

  var temp = [];
  while (temp.length < len) {
    this.V = this._hmac().update(this.V).digest();
    temp = temp.concat(this.V);
  }

  var res = temp.slice(0, len);
  this._update(add);
  this._reseed++;
  return utils.encode(res, enc);
};


/***/ }),

/***/ 79267:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var http = __webpack_require__(8501)
var url = __webpack_require__(8575)

var https = module.exports

for (var key in http) {
  if (http.hasOwnProperty(key)) https[key] = http[key]
}

https.request = function (params, cb) {
  params = validateParams(params)
  return http.request.call(this, params, cb)
}

https.get = function (params, cb) {
  params = validateParams(params)
  return http.get.call(this, params, cb)
}

function validateParams (params) {
  if (typeof params === 'string') {
    params = url.parse(params)
  }
  if (!params.protocol) {
    params.protocol = 'https:'
  }
  if (params.protocol !== 'https:') {
    throw new Error('Protocol "' + params.protocol + '" not supported. Expected "https:"')
  }
  return params
}


/***/ }),

/***/ 80645:
/***/ ((__unused_webpack_module, exports) => {

/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

  i += d

  e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

  value = Math.abs(value)

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

    if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = ((value * c) - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

  e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

  buffer[offset + i - d] |= s * 128
}


/***/ }),

/***/ 35717:
/***/ ((module) => {

if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  module.exports = function inherits(ctor, superCtor) {
    if (superCtor) {
      ctor.super_ = superCtor
      ctor.prototype = Object.create(superCtor.prototype, {
        constructor: {
          value: ctor,
          enumerable: false,
          writable: true,
          configurable: true
        }
      })
    }
  };
} else {
  // old school shim for old browsers
  module.exports = function inherits(ctor, superCtor) {
    if (superCtor) {
      ctor.super_ = superCtor
      var TempCtor = function () {}
      TempCtor.prototype = superCtor.prototype
      ctor.prototype = new TempCtor()
      ctor.prototype.constructor = ctor
    }
  }
}


/***/ }),

/***/ 82584:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var hasToStringTag = __webpack_require__(96410)();
var callBound = __webpack_require__(21924);

var $toString = callBound('Object.prototype.toString');

var isStandardArguments = function isArguments(value) {
	if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) {
		return false;
	}
	return $toString(value) === '[object Arguments]';
};

var isLegacyArguments = function isArguments(value) {
	if (isStandardArguments(value)) {
		return true;
	}
	return value !== null &&
		typeof value === 'object' &&
		typeof value.length === 'number' &&
		value.length >= 0 &&
		$toString(value) !== '[object Array]' &&
		$toString(value.callee) === '[object Function]';
};

var supportsStandardArguments = (function () {
	return isStandardArguments(arguments);
}());

isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests

module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments;


/***/ }),

/***/ 48662:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var toStr = Object.prototype.toString;
var fnToStr = Function.prototype.toString;
var isFnRegex = /^\s*(?:function)?\*/;
var hasToStringTag = __webpack_require__(96410)();
var getProto = Object.getPrototypeOf;
var getGeneratorFunc = function () { // eslint-disable-line consistent-return
	if (!hasToStringTag) {
		return false;
	}
	try {
		return Function('return function*() {}')();
	} catch (e) {
	}
};
var GeneratorFunction;

module.exports = function isGeneratorFunction(fn) {
	if (typeof fn !== 'function') {
		return false;
	}
	if (isFnRegex.test(fnToStr.call(fn))) {
		return true;
	}
	if (!hasToStringTag) {
		var str = toStr.call(fn);
		return str === '[object GeneratorFunction]';
	}
	if (!getProto) {
		return false;
	}
	if (typeof GeneratorFunction === 'undefined') {
		var generatorFunc = getGeneratorFunc();
		GeneratorFunction = generatorFunc ? getProto(generatorFunc) : false;
	}
	return getProto(fn) === GeneratorFunction;
};


/***/ }),

/***/ 98611:
/***/ ((module) => {

"use strict";


/* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */

module.exports = function isNaN(value) {
	return value !== value;
};


/***/ }),

/***/ 20360:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var callBind = __webpack_require__(55559);
var define = __webpack_require__(4289);

var implementation = __webpack_require__(98611);
var getPolyfill = __webpack_require__(29415);
var shim = __webpack_require__(23194);

var polyfill = callBind(getPolyfill(), Number);

/* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */

define(polyfill, {
	getPolyfill: getPolyfill,
	implementation: implementation,
	shim: shim
});

module.exports = polyfill;


/***/ }),

/***/ 29415:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var implementation = __webpack_require__(98611);

module.exports = function getPolyfill() {
	if (Number.isNaN && Number.isNaN(NaN) && !Number.isNaN('a')) {
		return Number.isNaN;
	}
	return implementation;
};


/***/ }),

/***/ 23194:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var define = __webpack_require__(4289);
var getPolyfill = __webpack_require__(29415);

/* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */

module.exports = function shimNumberIsNaN() {
	var polyfill = getPolyfill();
	define(Number, { isNaN: polyfill }, {
		isNaN: function testIsNaN() {
			return Number.isNaN !== polyfill;
		}
	});
	return polyfill;
};


/***/ }),

/***/ 85692:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var forEach = __webpack_require__(49804);
var availableTypedArrays = __webpack_require__(63083);
var callBound = __webpack_require__(21924);

var $toString = callBound('Object.prototype.toString');
var hasToStringTag = __webpack_require__(96410)();

var g = typeof globalThis === 'undefined' ? __webpack_require__.g : globalThis;
var typedArrays = availableTypedArrays();

var $indexOf = callBound('Array.prototype.indexOf', true) || function indexOf(array, value) {
	for (var i = 0; i < array.length; i += 1) {
		if (array[i] === value) {
			return i;
		}
	}
	return -1;
};
var $slice = callBound('String.prototype.slice');
var toStrTags = {};
var gOPD = __webpack_require__(20882);
var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof');
if (hasToStringTag && gOPD && getPrototypeOf) {
	forEach(typedArrays, function (typedArray) {
		var arr = new g[typedArray]();
		if (Symbol.toStringTag in arr) {
			var proto = getPrototypeOf(arr);
			var descriptor = gOPD(proto, Symbol.toStringTag);
			if (!descriptor) {
				var superProto = getPrototypeOf(proto);
				descriptor = gOPD(superProto, Symbol.toStringTag);
			}
			toStrTags[typedArray] = descriptor.get;
		}
	});
}

var tryTypedArrays = function tryAllTypedArrays(value) {
	var anyTrue = false;
	forEach(toStrTags, function (getter, typedArray) {
		if (!anyTrue) {
			try {
				anyTrue = getter.call(value) === typedArray;
			} catch (e) { /**/ }
		}
	});
	return anyTrue;
};

module.exports = function isTypedArray(value) {
	if (!value || typeof value !== 'object') { return false; }
	if (!hasToStringTag || !(Symbol.toStringTag in value)) {
		var tag = $slice($toString(value), 8, -1);
		return $indexOf(typedArrays, tag) > -1;
	}
	if (!gOPD) { return false; }
	return tryTypedArrays(value);
};


/***/ }),

/***/ 18552:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852),
    root = __webpack_require__(55639);

/* Built-in method references that are verified to be native. */
var DataView = getNative(root, 'DataView');

module.exports = DataView;


/***/ }),

/***/ 1989:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var hashClear = __webpack_require__(51789),
    hashDelete = __webpack_require__(80401),
    hashGet = __webpack_require__(57667),
    hashHas = __webpack_require__(21327),
    hashSet = __webpack_require__(81866);

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;

module.exports = Hash;


/***/ }),

/***/ 38407:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var listCacheClear = __webpack_require__(27040),
    listCacheDelete = __webpack_require__(14125),
    listCacheGet = __webpack_require__(82117),
    listCacheHas = __webpack_require__(67518),
    listCacheSet = __webpack_require__(54705);

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;

module.exports = ListCache;


/***/ }),

/***/ 57071:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852),
    root = __webpack_require__(55639);

/* Built-in method references that are verified to be native. */
var Map = getNative(root, 'Map');

module.exports = Map;


/***/ }),

/***/ 83369:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var mapCacheClear = __webpack_require__(24785),
    mapCacheDelete = __webpack_require__(11285),
    mapCacheGet = __webpack_require__(96000),
    mapCacheHas = __webpack_require__(49916),
    mapCacheSet = __webpack_require__(95265);

/**
 * Creates a map cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function MapCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;

module.exports = MapCache;


/***/ }),

/***/ 53818:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852),
    root = __webpack_require__(55639);

/* Built-in method references that are verified to be native. */
var Promise = getNative(root, 'Promise');

module.exports = Promise;


/***/ }),

/***/ 58525:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852),
    root = __webpack_require__(55639);

/* Built-in method references that are verified to be native. */
var Set = getNative(root, 'Set');

module.exports = Set;


/***/ }),

/***/ 88668:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var MapCache = __webpack_require__(83369),
    setCacheAdd = __webpack_require__(90619),
    setCacheHas = __webpack_require__(72385);

/**
 *
 * Creates an array cache object to store unique values.
 *
 * @private
 * @constructor
 * @param {Array} [values] The values to cache.
 */
function SetCache(values) {
  var index = -1,
      length = values == null ? 0 : values.length;

  this.__data__ = new MapCache;
  while (++index < length) {
    this.add(values[index]);
  }
}

// Add methods to `SetCache`.
SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
SetCache.prototype.has = setCacheHas;

module.exports = SetCache;


/***/ }),

/***/ 46384:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ListCache = __webpack_require__(38407),
    stackClear = __webpack_require__(37465),
    stackDelete = __webpack_require__(63779),
    stackGet = __webpack_require__(67599),
    stackHas = __webpack_require__(44758),
    stackSet = __webpack_require__(34309);

/**
 * Creates a stack cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Stack(entries) {
  var data = this.__data__ = new ListCache(entries);
  this.size = data.size;
}

// Add methods to `Stack`.
Stack.prototype.clear = stackClear;
Stack.prototype['delete'] = stackDelete;
Stack.prototype.get = stackGet;
Stack.prototype.has = stackHas;
Stack.prototype.set = stackSet;

module.exports = Stack;


/***/ }),

/***/ 62705:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var root = __webpack_require__(55639);

/** Built-in value references. */
var Symbol = root.Symbol;

module.exports = Symbol;


/***/ }),

/***/ 11149:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var root = __webpack_require__(55639);

/** Built-in value references. */
var Uint8Array = root.Uint8Array;

module.exports = Uint8Array;


/***/ }),

/***/ 70577:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852),
    root = __webpack_require__(55639);

/* Built-in method references that are verified to be native. */
var WeakMap = getNative(root, 'WeakMap');

module.exports = WeakMap;


/***/ }),

/***/ 44174:
/***/ ((module) => {

/**
 * A specialized version of `baseAggregator` for arrays.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} setter The function to set `accumulator` values.
 * @param {Function} iteratee The iteratee to transform keys.
 * @param {Object} accumulator The initial aggregated object.
 * @returns {Function} Returns `accumulator`.
 */
function arrayAggregator(array, setter, iteratee, accumulator) {
  var index = -1,
      length = array == null ? 0 : array.length;

  while (++index < length) {
    var value = array[index];
    setter(accumulator, value, iteratee(value), array);
  }
  return accumulator;
}

module.exports = arrayAggregator;


/***/ }),

/***/ 34963:
/***/ ((module) => {

/**
 * A specialized version of `_.filter` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {Array} Returns the new filtered array.
 */
function arrayFilter(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length,
      resIndex = 0,
      result = [];

  while (++index < length) {
    var value = array[index];
    if (predicate(value, index, array)) {
      result[resIndex++] = value;
    }
  }
  return result;
}

module.exports = arrayFilter;


/***/ }),

/***/ 14636:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseTimes = __webpack_require__(22545),
    isArguments = __webpack_require__(35694),
    isArray = __webpack_require__(1469),
    isBuffer = __webpack_require__(44144),
    isIndex = __webpack_require__(65776),
    isTypedArray = __webpack_require__(36719);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Creates an array of the enumerable property names of the array-like `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @param {boolean} inherited Specify returning inherited property names.
 * @returns {Array} Returns the array of property names.
 */
function arrayLikeKeys(value, inherited) {
  var isArr = isArray(value),
      isArg = !isArr && isArguments(value),
      isBuff = !isArr && !isArg && isBuffer(value),
      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
      skipIndexes = isArr || isArg || isBuff || isType,
      result = skipIndexes ? baseTimes(value.length, String) : [],
      length = result.length;

  for (var key in value) {
    if ((inherited || hasOwnProperty.call(value, key)) &&
        !(skipIndexes && (
           // Safari 9 has enumerable `arguments.length` in strict mode.
           key == 'length' ||
           // Node.js 0.10 has enumerable non-index properties on buffers.
           (isBuff && (key == 'offset' || key == 'parent')) ||
           // PhantomJS 2 has enumerable non-index properties on typed arrays.
           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
           // Skip index properties.
           isIndex(key, length)
        ))) {
      result.push(key);
    }
  }
  return result;
}

module.exports = arrayLikeKeys;


/***/ }),

/***/ 29932:
/***/ ((module) => {

/**
 * A specialized version of `_.map` for arrays without support for iteratee
 * shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function arrayMap(array, iteratee) {
  var index = -1,
      length = array == null ? 0 : array.length,
      result = Array(length);

  while (++index < length) {
    result[index] = iteratee(array[index], index, array);
  }
  return result;
}

module.exports = arrayMap;


/***/ }),

/***/ 62488:
/***/ ((module) => {

/**
 * Appends the elements of `values` to `array`.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {Array} values The values to append.
 * @returns {Array} Returns `array`.
 */
function arrayPush(array, values) {
  var index = -1,
      length = values.length,
      offset = array.length;

  while (++index < length) {
    array[offset + index] = values[index];
  }
  return array;
}

module.exports = arrayPush;


/***/ }),

/***/ 82908:
/***/ ((module) => {

/**
 * A specialized version of `_.some` for arrays without support for iteratee
 * shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {boolean} Returns `true` if any element passes the predicate check,
 *  else `false`.
 */
function arraySome(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length;

  while (++index < length) {
    if (predicate(array[index], index, array)) {
      return true;
    }
  }
  return false;
}

module.exports = arraySome;


/***/ }),

/***/ 34865:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseAssignValue = __webpack_require__(89465),
    eq = __webpack_require__(77813);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Assigns `value` to `key` of `object` if the existing value is not equivalent
 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * for equality comparisons.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {string} key The key of the property to assign.
 * @param {*} value The value to assign.
 */
function assignValue(object, key, value) {
  var objValue = object[key];
  if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
      (value === undefined && !(key in object))) {
    baseAssignValue(object, key, value);
  }
}

module.exports = assignValue;


/***/ }),

/***/ 18470:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var eq = __webpack_require__(77813);

/**
 * Gets the index at which the `key` is found in `array` of key-value pairs.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} key The key to search for.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function assocIndexOf(array, key) {
  var length = array.length;
  while (length--) {
    if (eq(array[length][0], key)) {
      return length;
    }
  }
  return -1;
}

module.exports = assocIndexOf;


/***/ }),

/***/ 81119:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseEach = __webpack_require__(89881);

/**
 * Aggregates elements of `collection` on `accumulator` with keys transformed
 * by `iteratee` and values set by `setter`.
 *
 * @private
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} setter The function to set `accumulator` values.
 * @param {Function} iteratee The iteratee to transform keys.
 * @param {Object} accumulator The initial aggregated object.
 * @returns {Function} Returns `accumulator`.
 */
function baseAggregator(collection, setter, iteratee, accumulator) {
  baseEach(collection, function(value, key, collection) {
    setter(accumulator, value, iteratee(value), collection);
  });
  return accumulator;
}

module.exports = baseAggregator;


/***/ }),

/***/ 89465:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var defineProperty = __webpack_require__(38777);

/**
 * The base implementation of `assignValue` and `assignMergeValue` without
 * value checks.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {string} key The key of the property to assign.
 * @param {*} value The value to assign.
 */
function baseAssignValue(object, key, value) {
  if (key == '__proto__' && defineProperty) {
    defineProperty(object, key, {
      'configurable': true,
      'enumerable': true,
      'value': value,
      'writable': true
    });
  } else {
    object[key] = value;
  }
}

module.exports = baseAssignValue;


/***/ }),

/***/ 89881:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseForOwn = __webpack_require__(47816),
    createBaseEach = __webpack_require__(99291);

/**
 * The base implementation of `_.forEach` without support for iteratee shorthands.
 *
 * @private
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array|Object} Returns `collection`.
 */
var baseEach = createBaseEach(baseForOwn);

module.exports = baseEach;


/***/ }),

/***/ 21078:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayPush = __webpack_require__(62488),
    isFlattenable = __webpack_require__(37285);

/**
 * The base implementation of `_.flatten` with support for restricting flattening.
 *
 * @private
 * @param {Array} array The array to flatten.
 * @param {number} depth The maximum recursion depth.
 * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
 * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
 * @param {Array} [result=[]] The initial result value.
 * @returns {Array} Returns the new flattened array.
 */
function baseFlatten(array, depth, predicate, isStrict, result) {
  var index = -1,
      length = array.length;

  predicate || (predicate = isFlattenable);
  result || (result = []);

  while (++index < length) {
    var value = array[index];
    if (depth > 0 && predicate(value)) {
      if (depth > 1) {
        // Recursively flatten arrays (susceptible to call stack limits).
        baseFlatten(value, depth - 1, predicate, isStrict, result);
      } else {
        arrayPush(result, value);
      }
    } else if (!isStrict) {
      result[result.length] = value;
    }
  }
  return result;
}

module.exports = baseFlatten;


/***/ }),

/***/ 28483:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var createBaseFor = __webpack_require__(25063);

/**
 * The base implementation of `baseForOwn` which iterates over `object`
 * properties returned by `keysFunc` and invokes `iteratee` for each property.
 * Iteratee functions may exit iteration early by explicitly returning `false`.
 *
 * @private
 * @param {Object} object The object to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @returns {Object} Returns `object`.
 */
var baseFor = createBaseFor();

module.exports = baseFor;


/***/ }),

/***/ 47816:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseFor = __webpack_require__(28483),
    keys = __webpack_require__(3674);

/**
 * The base implementation of `_.forOwn` without support for iteratee shorthands.
 *
 * @private
 * @param {Object} object The object to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Object} Returns `object`.
 */
function baseForOwn(object, iteratee) {
  return object && baseFor(object, iteratee, keys);
}

module.exports = baseForOwn;


/***/ }),

/***/ 97786:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var castPath = __webpack_require__(71811),
    toKey = __webpack_require__(40327);

/**
 * The base implementation of `_.get` without support for default values.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Array|string} path The path of the property to get.
 * @returns {*} Returns the resolved value.
 */
function baseGet(object, path) {
  path = castPath(path, object);

  var index = 0,
      length = path.length;

  while (object != null && index < length) {
    object = object[toKey(path[index++])];
  }
  return (index && index == length) ? object : undefined;
}

module.exports = baseGet;


/***/ }),

/***/ 68866:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayPush = __webpack_require__(62488),
    isArray = __webpack_require__(1469);

/**
 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @param {Function} symbolsFunc The function to get the symbols of `object`.
 * @returns {Array} Returns the array of property names and symbols.
 */
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
  var result = keysFunc(object);
  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
}

module.exports = baseGetAllKeys;


/***/ }),

/***/ 44239:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(62705),
    getRawTag = __webpack_require__(89607),
    objectToString = __webpack_require__(2333);

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

module.exports = baseGetTag;


/***/ }),

/***/ 13:
/***/ ((module) => {

/**
 * The base implementation of `_.hasIn` without support for deep paths.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {Array|string} key The key to check.
 * @returns {boolean} Returns `true` if `key` exists, else `false`.
 */
function baseHasIn(object, key) {
  return object != null && key in Object(object);
}

module.exports = baseHasIn;


/***/ }),

/***/ 9454:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetTag = __webpack_require__(44239),
    isObjectLike = __webpack_require__(37005);

/** `Object#toString` result references. */
var argsTag = '[object Arguments]';

/**
 * The base implementation of `_.isArguments`.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 */
function baseIsArguments(value) {
  return isObjectLike(value) && baseGetTag(value) == argsTag;
}

module.exports = baseIsArguments;


/***/ }),

/***/ 90939:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsEqualDeep = __webpack_require__(2492),
    isObjectLike = __webpack_require__(37005);

/**
 * The base implementation of `_.isEqual` which supports partial comparisons
 * and tracks traversed objects.
 *
 * @private
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @param {boolean} bitmask The bitmask flags.
 *  1 - Unordered comparison
 *  2 - Partial comparison
 * @param {Function} [customizer] The function to customize comparisons.
 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 */
function baseIsEqual(value, other, bitmask, customizer, stack) {
  if (value === other) {
    return true;
  }
  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
    return value !== value && other !== other;
  }
  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
}

module.exports = baseIsEqual;


/***/ }),

/***/ 2492:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Stack = __webpack_require__(46384),
    equalArrays = __webpack_require__(67114),
    equalByTag = __webpack_require__(18351),
    equalObjects = __webpack_require__(16096),
    getTag = __webpack_require__(64160),
    isArray = __webpack_require__(1469),
    isBuffer = __webpack_require__(44144),
    isTypedArray = __webpack_require__(36719);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1;

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    objectTag = '[object Object]';

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * A specialized version of `baseIsEqual` for arrays and objects which performs
 * deep comparisons and tracks traversed objects enabling objects with circular
 * references to be compared.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} [stack] Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
  var objIsArr = isArray(object),
      othIsArr = isArray(other),
      objTag = objIsArr ? arrayTag : getTag(object),
      othTag = othIsArr ? arrayTag : getTag(other);

  objTag = objTag == argsTag ? objectTag : objTag;
  othTag = othTag == argsTag ? objectTag : othTag;

  var objIsObj = objTag == objectTag,
      othIsObj = othTag == objectTag,
      isSameTag = objTag == othTag;

  if (isSameTag && isBuffer(object)) {
    if (!isBuffer(other)) {
      return false;
    }
    objIsArr = true;
    objIsObj = false;
  }
  if (isSameTag && !objIsObj) {
    stack || (stack = new Stack);
    return (objIsArr || isTypedArray(object))
      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
  }
  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

    if (objIsWrapped || othIsWrapped) {
      var objUnwrapped = objIsWrapped ? object.value() : object,
          othUnwrapped = othIsWrapped ? other.value() : other;

      stack || (stack = new Stack);
      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
    }
  }
  if (!isSameTag) {
    return false;
  }
  stack || (stack = new Stack);
  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
}

module.exports = baseIsEqualDeep;


/***/ }),

/***/ 2958:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Stack = __webpack_require__(46384),
    baseIsEqual = __webpack_require__(90939);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
    COMPARE_UNORDERED_FLAG = 2;

/**
 * The base implementation of `_.isMatch` without support for iteratee shorthands.
 *
 * @private
 * @param {Object} object The object to inspect.
 * @param {Object} source The object of property values to match.
 * @param {Array} matchData The property names, values, and compare flags to match.
 * @param {Function} [customizer] The function to customize comparisons.
 * @returns {boolean} Returns `true` if `object` is a match, else `false`.
 */
function baseIsMatch(object, source, matchData, customizer) {
  var index = matchData.length,
      length = index,
      noCustomizer = !customizer;

  if (object == null) {
    return !length;
  }
  object = Object(object);
  while (index--) {
    var data = matchData[index];
    if ((noCustomizer && data[2])
          ? data[1] !== object[data[0]]
          : !(data[0] in object)
        ) {
      return false;
    }
  }
  while (++index < length) {
    data = matchData[index];
    var key = data[0],
        objValue = object[key],
        srcValue = data[1];

    if (noCustomizer && data[2]) {
      if (objValue === undefined && !(key in object)) {
        return false;
      }
    } else {
      var stack = new Stack;
      if (customizer) {
        var result = customizer(objValue, srcValue, key, object, source, stack);
      }
      if (!(result === undefined
            ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
            : result
          )) {
        return false;
      }
    }
  }
  return true;
}

module.exports = baseIsMatch;


/***/ }),

/***/ 28458:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isFunction = __webpack_require__(23560),
    isMasked = __webpack_require__(15346),
    isObject = __webpack_require__(13218),
    toSource = __webpack_require__(80346);

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Used for built-in method references. */
var funcProto = Function.prototype,
    objectProto = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/**
 * The base implementation of `_.isNative` without bad shim checks.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function,
 *  else `false`.
 */
function baseIsNative(value) {
  if (!isObject(value) || isMasked(value)) {
    return false;
  }
  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
  return pattern.test(toSource(value));
}

module.exports = baseIsNative;


/***/ }),

/***/ 38749:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetTag = __webpack_require__(44239),
    isLength = __webpack_require__(41780),
    isObjectLike = __webpack_require__(37005);

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag = '[object Function]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    weakMapTag = '[object WeakMap]';

var arrayBufferTag = '[object ArrayBuffer]',
    dataViewTag = '[object DataView]',
    float32Tag = '[object Float32Array]',
    float64Tag = '[object Float64Array]',
    int8Tag = '[object Int8Array]',
    int16Tag = '[object Int16Array]',
    int32Tag = '[object Int32Array]',
    uint8Tag = '[object Uint8Array]',
    uint8ClampedTag = '[object Uint8ClampedArray]',
    uint16Tag = '[object Uint16Array]',
    uint32Tag = '[object Uint32Array]';

/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;

/**
 * The base implementation of `_.isTypedArray` without Node.js optimizations.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 */
function baseIsTypedArray(value) {
  return isObjectLike(value) &&
    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
}

module.exports = baseIsTypedArray;


/***/ }),

/***/ 67206:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseMatches = __webpack_require__(91573),
    baseMatchesProperty = __webpack_require__(16432),
    identity = __webpack_require__(6557),
    isArray = __webpack_require__(1469),
    property = __webpack_require__(39601);

/**
 * The base implementation of `_.iteratee`.
 *
 * @private
 * @param {*} [value=_.identity] The value to convert to an iteratee.
 * @returns {Function} Returns the iteratee.
 */
function baseIteratee(value) {
  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
  if (typeof value == 'function') {
    return value;
  }
  if (value == null) {
    return identity;
  }
  if (typeof value == 'object') {
    return isArray(value)
      ? baseMatchesProperty(value[0], value[1])
      : baseMatches(value);
  }
  return property(value);
}

module.exports = baseIteratee;


/***/ }),

/***/ 280:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isPrototype = __webpack_require__(25726),
    nativeKeys = __webpack_require__(86916);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function baseKeys(object) {
  if (!isPrototype(object)) {
    return nativeKeys(object);
  }
  var result = [];
  for (var key in Object(object)) {
    if (hasOwnProperty.call(object, key) && key != 'constructor') {
      result.push(key);
    }
  }
  return result;
}

module.exports = baseKeys;


/***/ }),

/***/ 10313:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(13218),
    isPrototype = __webpack_require__(25726),
    nativeKeysIn = __webpack_require__(33498);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function baseKeysIn(object) {
  if (!isObject(object)) {
    return nativeKeysIn(object);
  }
  var isProto = isPrototype(object),
      result = [];

  for (var key in object) {
    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
      result.push(key);
    }
  }
  return result;
}

module.exports = baseKeysIn;


/***/ }),

/***/ 69199:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseEach = __webpack_require__(89881),
    isArrayLike = __webpack_require__(98612);

/**
 * The base implementation of `_.map` without support for iteratee shorthands.
 *
 * @private
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function baseMap(collection, iteratee) {
  var index = -1,
      result = isArrayLike(collection) ? Array(collection.length) : [];

  baseEach(collection, function(value, key, collection) {
    result[++index] = iteratee(value, key, collection);
  });
  return result;
}

module.exports = baseMap;


/***/ }),

/***/ 91573:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsMatch = __webpack_require__(2958),
    getMatchData = __webpack_require__(1499),
    matchesStrictComparable = __webpack_require__(42634);

/**
 * The base implementation of `_.matches` which doesn't clone `source`.
 *
 * @private
 * @param {Object} source The object of property values to match.
 * @returns {Function} Returns the new spec function.
 */
function baseMatches(source) {
  var matchData = getMatchData(source);
  if (matchData.length == 1 && matchData[0][2]) {
    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
  }
  return function(object) {
    return object === source || baseIsMatch(object, source, matchData);
  };
}

module.exports = baseMatches;


/***/ }),

/***/ 16432:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsEqual = __webpack_require__(90939),
    get = __webpack_require__(27361),
    hasIn = __webpack_require__(79095),
    isKey = __webpack_require__(15403),
    isStrictComparable = __webpack_require__(89162),
    matchesStrictComparable = __webpack_require__(42634),
    toKey = __webpack_require__(40327);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
    COMPARE_UNORDERED_FLAG = 2;

/**
 * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
 *
 * @private
 * @param {string} path The path of the property to get.
 * @param {*} srcValue The value to match.
 * @returns {Function} Returns the new spec function.
 */
function baseMatchesProperty(path, srcValue) {
  if (isKey(path) && isStrictComparable(srcValue)) {
    return matchesStrictComparable(toKey(path), srcValue);
  }
  return function(object) {
    var objValue = get(object, path);
    return (objValue === undefined && objValue === srcValue)
      ? hasIn(object, path)
      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
  };
}

module.exports = baseMatchesProperty;


/***/ }),

/***/ 63012:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGet = __webpack_require__(97786),
    baseSet = __webpack_require__(10611),
    castPath = __webpack_require__(71811);

/**
 * The base implementation of  `_.pickBy` without support for iteratee shorthands.
 *
 * @private
 * @param {Object} object The source object.
 * @param {string[]} paths The property paths to pick.
 * @param {Function} predicate The function invoked per property.
 * @returns {Object} Returns the new object.
 */
function basePickBy(object, paths, predicate) {
  var index = -1,
      length = paths.length,
      result = {};

  while (++index < length) {
    var path = paths[index],
        value = baseGet(object, path);

    if (predicate(value, path)) {
      baseSet(result, castPath(path, object), value);
    }
  }
  return result;
}

module.exports = basePickBy;


/***/ }),

/***/ 40371:
/***/ ((module) => {

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new accessor function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

module.exports = baseProperty;


/***/ }),

/***/ 79152:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGet = __webpack_require__(97786);

/**
 * A specialized version of `baseProperty` which supports deep paths.
 *
 * @private
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new accessor function.
 */
function basePropertyDeep(path) {
  return function(object) {
    return baseGet(object, path);
  };
}

module.exports = basePropertyDeep;


/***/ }),

/***/ 10611:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var assignValue = __webpack_require__(34865),
    castPath = __webpack_require__(71811),
    isIndex = __webpack_require__(65776),
    isObject = __webpack_require__(13218),
    toKey = __webpack_require__(40327);

/**
 * The base implementation of `_.set`.
 *
 * @private
 * @param {Object} object The object to modify.
 * @param {Array|string} path The path of the property to set.
 * @param {*} value The value to set.
 * @param {Function} [customizer] The function to customize path creation.
 * @returns {Object} Returns `object`.
 */
function baseSet(object, path, value, customizer) {
  if (!isObject(object)) {
    return object;
  }
  path = castPath(path, object);

  var index = -1,
      length = path.length,
      lastIndex = length - 1,
      nested = object;

  while (nested != null && ++index < length) {
    var key = toKey(path[index]),
        newValue = value;

    if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
      return object;
    }

    if (index != lastIndex) {
      var objValue = nested[key];
      newValue = customizer ? customizer(objValue, key, nested) : undefined;
      if (newValue === undefined) {
        newValue = isObject(objValue)
          ? objValue
          : (isIndex(path[index + 1]) ? [] : {});
      }
    }
    assignValue(nested, key, newValue);
    nested = nested[key];
  }
  return object;
}

module.exports = baseSet;


/***/ }),

/***/ 22545:
/***/ ((module) => {

/**
 * The base implementation of `_.times` without support for iteratee shorthands
 * or max array length checks.
 *
 * @private
 * @param {number} n The number of times to invoke `iteratee`.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the array of results.
 */
function baseTimes(n, iteratee) {
  var index = -1,
      result = Array(n);

  while (++index < n) {
    result[index] = iteratee(index);
  }
  return result;
}

module.exports = baseTimes;


/***/ }),

/***/ 80531:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(62705),
    arrayMap = __webpack_require__(29932),
    isArray = __webpack_require__(1469),
    isSymbol = __webpack_require__(33448);

/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolToString = symbolProto ? symbolProto.toString : undefined;

/**
 * The base implementation of `_.toString` which doesn't convert nullish
 * values to empty strings.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  // Exit early for strings to avoid a performance hit in some environments.
  if (typeof value == 'string') {
    return value;
  }
  if (isArray(value)) {
    // Recursively convert values (susceptible to call stack limits).
    return arrayMap(value, baseToString) + '';
  }
  if (isSymbol(value)) {
    return symbolToString ? symbolToString.call(value) : '';
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

module.exports = baseToString;


/***/ }),

/***/ 7518:
/***/ ((module) => {

/**
 * The base implementation of `_.unary` without support for storing metadata.
 *
 * @private
 * @param {Function} func The function to cap arguments for.
 * @returns {Function} Returns the new capped function.
 */
function baseUnary(func) {
  return function(value) {
    return func(value);
  };
}

module.exports = baseUnary;


/***/ }),

/***/ 74757:
/***/ ((module) => {

/**
 * Checks if a `cache` value for `key` exists.
 *
 * @private
 * @param {Object} cache The cache to query.
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function cacheHas(cache, key) {
  return cache.has(key);
}

module.exports = cacheHas;


/***/ }),

/***/ 71811:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isArray = __webpack_require__(1469),
    isKey = __webpack_require__(15403),
    stringToPath = __webpack_require__(55514),
    toString = __webpack_require__(79833);

/**
 * Casts `value` to a path array if it's not one.
 *
 * @private
 * @param {*} value The value to inspect.
 * @param {Object} [object] The object to query keys on.
 * @returns {Array} Returns the cast property path array.
 */
function castPath(value, object) {
  if (isArray(value)) {
    return value;
  }
  return isKey(value, object) ? [value] : stringToPath(toString(value));
}

module.exports = castPath;


/***/ }),

/***/ 14429:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var root = __webpack_require__(55639);

/** Used to detect overreaching core-js shims. */
var coreJsData = root['__core-js_shared__'];

module.exports = coreJsData;


/***/ }),

/***/ 55189:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayAggregator = __webpack_require__(44174),
    baseAggregator = __webpack_require__(81119),
    baseIteratee = __webpack_require__(67206),
    isArray = __webpack_require__(1469);

/**
 * Creates a function like `_.groupBy`.
 *
 * @private
 * @param {Function} setter The function to set accumulator values.
 * @param {Function} [initializer] The accumulator object initializer.
 * @returns {Function} Returns the new aggregator function.
 */
function createAggregator(setter, initializer) {
  return function(collection, iteratee) {
    var func = isArray(collection) ? arrayAggregator : baseAggregator,
        accumulator = initializer ? initializer() : {};

    return func(collection, setter, baseIteratee(iteratee, 2), accumulator);
  };
}

module.exports = createAggregator;


/***/ }),

/***/ 99291:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isArrayLike = __webpack_require__(98612);

/**
 * Creates a `baseEach` or `baseEachRight` function.
 *
 * @private
 * @param {Function} eachFunc The function to iterate over a collection.
 * @param {boolean} [fromRight] Specify iterating from right to left.
 * @returns {Function} Returns the new base function.
 */
function createBaseEach(eachFunc, fromRight) {
  return function(collection, iteratee) {
    if (collection == null) {
      return collection;
    }
    if (!isArrayLike(collection)) {
      return eachFunc(collection, iteratee);
    }
    var length = collection.length,
        index = fromRight ? length : -1,
        iterable = Object(collection);

    while ((fromRight ? index-- : ++index < length)) {
      if (iteratee(iterable[index], index, iterable) === false) {
        break;
      }
    }
    return collection;
  };
}

module.exports = createBaseEach;


/***/ }),

/***/ 25063:
/***/ ((module) => {

/**
 * Creates a base function for methods like `_.forIn` and `_.forOwn`.
 *
 * @private
 * @param {boolean} [fromRight] Specify iterating from right to left.
 * @returns {Function} Returns the new base function.
 */
function createBaseFor(fromRight) {
  return function(object, iteratee, keysFunc) {
    var index = -1,
        iterable = Object(object),
        props = keysFunc(object),
        length = props.length;

    while (length--) {
      var key = props[fromRight ? length : ++index];
      if (iteratee(iterable[key], key, iterable) === false) {
        break;
      }
    }
    return object;
  };
}

module.exports = createBaseFor;


/***/ }),

/***/ 38777:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852);

var defineProperty = (function() {
  try {
    var func = getNative(Object, 'defineProperty');
    func({}, '', {});
    return func;
  } catch (e) {}
}());

module.exports = defineProperty;


/***/ }),

/***/ 67114:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var SetCache = __webpack_require__(88668),
    arraySome = __webpack_require__(82908),
    cacheHas = __webpack_require__(74757);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
    COMPARE_UNORDERED_FLAG = 2;

/**
 * A specialized version of `baseIsEqualDeep` for arrays with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Array} array The array to compare.
 * @param {Array} other The other array to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `array` and `other` objects.
 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
 */
function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
      arrLength = array.length,
      othLength = other.length;

  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
    return false;
  }
  // Check that cyclic values are equal.
  var arrStacked = stack.get(array);
  var othStacked = stack.get(other);
  if (arrStacked && othStacked) {
    return arrStacked == other && othStacked == array;
  }
  var index = -1,
      result = true,
      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

  stack.set(array, other);
  stack.set(other, array);

  // Ignore non-index properties.
  while (++index < arrLength) {
    var arrValue = array[index],
        othValue = other[index];

    if (customizer) {
      var compared = isPartial
        ? customizer(othValue, arrValue, index, other, array, stack)
        : customizer(arrValue, othValue, index, array, other, stack);
    }
    if (compared !== undefined) {
      if (compared) {
        continue;
      }
      result = false;
      break;
    }
    // Recursively compare arrays (susceptible to call stack limits).
    if (seen) {
      if (!arraySome(other, function(othValue, othIndex) {
            if (!cacheHas(seen, othIndex) &&
                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
              return seen.push(othIndex);
            }
          })) {
        result = false;
        break;
      }
    } else if (!(
          arrValue === othValue ||
            equalFunc(arrValue, othValue, bitmask, customizer, stack)
        )) {
      result = false;
      break;
    }
  }
  stack['delete'](array);
  stack['delete'](other);
  return result;
}

module.exports = equalArrays;


/***/ }),

/***/ 18351:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(62705),
    Uint8Array = __webpack_require__(11149),
    eq = __webpack_require__(77813),
    equalArrays = __webpack_require__(67114),
    mapToArray = __webpack_require__(68776),
    setToArray = __webpack_require__(21814);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
    COMPARE_UNORDERED_FLAG = 2;

/** `Object#toString` result references. */
var boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    symbolTag = '[object Symbol]';

var arrayBufferTag = '[object ArrayBuffer]',
    dataViewTag = '[object DataView]';

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

/**
 * A specialized version of `baseIsEqualDeep` for comparing objects of
 * the same `toStringTag`.
 *
 * **Note:** This function only supports comparing values with tags of
 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {string} tag The `toStringTag` of the objects to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
  switch (tag) {
    case dataViewTag:
      if ((object.byteLength != other.byteLength) ||
          (object.byteOffset != other.byteOffset)) {
        return false;
      }
      object = object.buffer;
      other = other.buffer;

    case arrayBufferTag:
      if ((object.byteLength != other.byteLength) ||
          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
        return false;
      }
      return true;

    case boolTag:
    case dateTag:
    case numberTag:
      // Coerce booleans to `1` or `0` and dates to milliseconds.
      // Invalid dates are coerced to `NaN`.
      return eq(+object, +other);

    case errorTag:
      return object.name == other.name && object.message == other.message;

    case regexpTag:
    case stringTag:
      // Coerce regexes to strings and treat strings, primitives and objects,
      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
      // for more details.
      return object == (other + '');

    case mapTag:
      var convert = mapToArray;

    case setTag:
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
      convert || (convert = setToArray);

      if (object.size != other.size && !isPartial) {
        return false;
      }
      // Assume cyclic values are equal.
      var stacked = stack.get(object);
      if (stacked) {
        return stacked == other;
      }
      bitmask |= COMPARE_UNORDERED_FLAG;

      // Recursively compare objects (susceptible to call stack limits).
      stack.set(object, other);
      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
      stack['delete'](object);
      return result;

    case symbolTag:
      if (symbolValueOf) {
        return symbolValueOf.call(object) == symbolValueOf.call(other);
      }
  }
  return false;
}

module.exports = equalByTag;


/***/ }),

/***/ 16096:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getAllKeys = __webpack_require__(58234);

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1;

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * A specialized version of `baseIsEqualDeep` for objects with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
      objProps = getAllKeys(object),
      objLength = objProps.length,
      othProps = getAllKeys(other),
      othLength = othProps.length;

  if (objLength != othLength && !isPartial) {
    return false;
  }
  var index = objLength;
  while (index--) {
    var key = objProps[index];
    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
      return false;
    }
  }
  // Check that cyclic values are equal.
  var objStacked = stack.get(object);
  var othStacked = stack.get(other);
  if (objStacked && othStacked) {
    return objStacked == other && othStacked == object;
  }
  var result = true;
  stack.set(object, other);
  stack.set(other, object);

  var skipCtor = isPartial;
  while (++index < objLength) {
    key = objProps[index];
    var objValue = object[key],
        othValue = other[key];

    if (customizer) {
      var compared = isPartial
        ? customizer(othValue, objValue, key, other, object, stack)
        : customizer(objValue, othValue, key, object, other, stack);
    }
    // Recursively compare objects (susceptible to call stack limits).
    if (!(compared === undefined
          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
          : compared
        )) {
      result = false;
      break;
    }
    skipCtor || (skipCtor = key == 'constructor');
  }
  if (result && !skipCtor) {
    var objCtor = object.constructor,
        othCtor = other.constructor;

    // Non `Object` object instances with different constructors are not equal.
    if (objCtor != othCtor &&
        ('constructor' in object && 'constructor' in other) &&
        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
      result = false;
    }
  }
  stack['delete'](object);
  stack['delete'](other);
  return result;
}

module.exports = equalObjects;


/***/ }),

/***/ 31957:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;

module.exports = freeGlobal;


/***/ }),

/***/ 58234:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetAllKeys = __webpack_require__(68866),
    getSymbols = __webpack_require__(99551),
    keys = __webpack_require__(3674);

/**
 * Creates an array of own enumerable property names and symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeys(object) {
  return baseGetAllKeys(object, keys, getSymbols);
}

module.exports = getAllKeys;


/***/ }),

/***/ 46904:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetAllKeys = __webpack_require__(68866),
    getSymbolsIn = __webpack_require__(51442),
    keysIn = __webpack_require__(81704);

/**
 * Creates an array of own and inherited enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeysIn(object) {
  return baseGetAllKeys(object, keysIn, getSymbolsIn);
}

module.exports = getAllKeysIn;


/***/ }),

/***/ 45050:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isKeyable = __webpack_require__(37019);

/**
 * Gets the data for `map`.
 *
 * @private
 * @param {Object} map The map to query.
 * @param {string} key The reference key.
 * @returns {*} Returns the map data.
 */
function getMapData(map, key) {
  var data = map.__data__;
  return isKeyable(key)
    ? data[typeof key == 'string' ? 'string' : 'hash']
    : data.map;
}

module.exports = getMapData;


/***/ }),

/***/ 1499:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isStrictComparable = __webpack_require__(89162),
    keys = __webpack_require__(3674);

/**
 * Gets the property names, values, and compare flags of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the match data of `object`.
 */
function getMatchData(object) {
  var result = keys(object),
      length = result.length;

  while (length--) {
    var key = result[length],
        value = object[key];

    result[length] = [key, value, isStrictComparable(value)];
  }
  return result;
}

module.exports = getMatchData;


/***/ }),

/***/ 10852:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsNative = __webpack_require__(28458),
    getValue = __webpack_require__(47801);

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = getValue(object, key);
  return baseIsNative(value) ? value : undefined;
}

module.exports = getNative;


/***/ }),

/***/ 85924:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var overArg = __webpack_require__(5569);

/** Built-in value references. */
var getPrototype = overArg(Object.getPrototypeOf, Object);

module.exports = getPrototype;


/***/ }),

/***/ 89607:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(62705);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

module.exports = getRawTag;


/***/ }),

/***/ 99551:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayFilter = __webpack_require__(34963),
    stubArray = __webpack_require__(70479);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Built-in value references. */
var propertyIsEnumerable = objectProto.propertyIsEnumerable;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
  if (object == null) {
    return [];
  }
  object = Object(object);
  return arrayFilter(nativeGetSymbols(object), function(symbol) {
    return propertyIsEnumerable.call(object, symbol);
  });
};

module.exports = getSymbols;


/***/ }),

/***/ 51442:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayPush = __webpack_require__(62488),
    getPrototype = __webpack_require__(85924),
    getSymbols = __webpack_require__(99551),
    stubArray = __webpack_require__(70479);

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own and inherited enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
  var result = [];
  while (object) {
    arrayPush(result, getSymbols(object));
    object = getPrototype(object);
  }
  return result;
};

module.exports = getSymbolsIn;


/***/ }),

/***/ 64160:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var DataView = __webpack_require__(18552),
    Map = __webpack_require__(57071),
    Promise = __webpack_require__(53818),
    Set = __webpack_require__(58525),
    WeakMap = __webpack_require__(70577),
    baseGetTag = __webpack_require__(44239),
    toSource = __webpack_require__(80346);

/** `Object#toString` result references. */
var mapTag = '[object Map]',
    objectTag = '[object Object]',
    promiseTag = '[object Promise]',
    setTag = '[object Set]',
    weakMapTag = '[object WeakMap]';

var dataViewTag = '[object DataView]';

/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = toSource(DataView),
    mapCtorString = toSource(Map),
    promiseCtorString = toSource(Promise),
    setCtorString = toSource(Set),
    weakMapCtorString = toSource(WeakMap);

/**
 * Gets the `toStringTag` of `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
var getTag = baseGetTag;

// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
    (Map && getTag(new Map) != mapTag) ||
    (Promise && getTag(Promise.resolve()) != promiseTag) ||
    (Set && getTag(new Set) != setTag) ||
    (WeakMap && getTag(new WeakMap) != weakMapTag)) {
  getTag = function(value) {
    var result = baseGetTag(value),
        Ctor = result == objectTag ? value.constructor : undefined,
        ctorString = Ctor ? toSource(Ctor) : '';

    if (ctorString) {
      switch (ctorString) {
        case dataViewCtorString: return dataViewTag;
        case mapCtorString: return mapTag;
        case promiseCtorString: return promiseTag;
        case setCtorString: return setTag;
        case weakMapCtorString: return weakMapTag;
      }
    }
    return result;
  };
}

module.exports = getTag;


/***/ }),

/***/ 47801:
/***/ ((module) => {

/**
 * Gets the value at `key` of `object`.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {string} key The key of the property to get.
 * @returns {*} Returns the property value.
 */
function getValue(object, key) {
  return object == null ? undefined : object[key];
}

module.exports = getValue;


/***/ }),

/***/ 222:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var castPath = __webpack_require__(71811),
    isArguments = __webpack_require__(35694),
    isArray = __webpack_require__(1469),
    isIndex = __webpack_require__(65776),
    isLength = __webpack_require__(41780),
    toKey = __webpack_require__(40327);

/**
 * Checks if `path` exists on `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Array|string} path The path to check.
 * @param {Function} hasFunc The function to check properties.
 * @returns {boolean} Returns `true` if `path` exists, else `false`.
 */
function hasPath(object, path, hasFunc) {
  path = castPath(path, object);

  var index = -1,
      length = path.length,
      result = false;

  while (++index < length) {
    var key = toKey(path[index]);
    if (!(result = object != null && hasFunc(object, key))) {
      break;
    }
    object = object[key];
  }
  if (result || ++index != length) {
    return result;
  }
  length = object == null ? 0 : object.length;
  return !!length && isLength(length) && isIndex(key, length) &&
    (isArray(object) || isArguments(object));
}

module.exports = hasPath;


/***/ }),

/***/ 51789:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var nativeCreate = __webpack_require__(94536);

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = nativeCreate ? nativeCreate(null) : {};
  this.size = 0;
}

module.exports = hashClear;


/***/ }),

/***/ 80401:
/***/ ((module) => {

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  var result = this.has(key) && delete this.__data__[key];
  this.size -= result ? 1 : 0;
  return result;
}

module.exports = hashDelete;


/***/ }),

/***/ 57667:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var nativeCreate = __webpack_require__(94536);

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty.call(data, key) ? data[key] : undefined;
}

module.exports = hashGet;


/***/ }),

/***/ 21327:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var nativeCreate = __webpack_require__(94536);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
}

module.exports = hashHas;


/***/ }),

/***/ 81866:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var nativeCreate = __webpack_require__(94536);

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  this.size += this.has(key) ? 0 : 1;
  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
  return this;
}

module.exports = hashSet;


/***/ }),

/***/ 37285:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Symbol = __webpack_require__(62705),
    isArguments = __webpack_require__(35694),
    isArray = __webpack_require__(1469);

/** Built-in value references. */
var spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;

/**
 * Checks if `value` is a flattenable `arguments` object or array.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
 */
function isFlattenable(value) {
  return isArray(value) || isArguments(value) ||
    !!(spreadableSymbol && value && value[spreadableSymbol]);
}

module.exports = isFlattenable;


/***/ }),

/***/ 65776:
/***/ ((module) => {

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  var type = typeof value;
  length = length == null ? MAX_SAFE_INTEGER : length;

  return !!length &&
    (type == 'number' ||
      (type != 'symbol' && reIsUint.test(value))) &&
        (value > -1 && value % 1 == 0 && value < length);
}

module.exports = isIndex;


/***/ }),

/***/ 15403:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isArray = __webpack_require__(1469),
    isSymbol = __webpack_require__(33448);

/** Used to match property names within property paths. */
var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
    reIsPlainProp = /^\w*$/;

/**
 * Checks if `value` is a property name and not a property path.
 *
 * @private
 * @param {*} value The value to check.
 * @param {Object} [object] The object to query keys on.
 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
 */
function isKey(value, object) {
  if (isArray(value)) {
    return false;
  }
  var type = typeof value;
  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
      value == null || isSymbol(value)) {
    return true;
  }
  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
    (object != null && value in Object(object));
}

module.exports = isKey;


/***/ }),

/***/ 37019:
/***/ ((module) => {

/**
 * Checks if `value` is suitable for use as unique object key.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
 */
function isKeyable(value) {
  var type = typeof value;
  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
    ? (value !== '__proto__')
    : (value === null);
}

module.exports = isKeyable;


/***/ }),

/***/ 15346:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var coreJsData = __webpack_require__(14429);

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/**
 * Checks if `func` has its source masked.
 *
 * @private
 * @param {Function} func The function to check.
 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
 */
function isMasked(func) {
  return !!maskSrcKey && (maskSrcKey in func);
}

module.exports = isMasked;


/***/ }),

/***/ 25726:
/***/ ((module) => {

/** Used for built-in method references. */
var objectProto = Object.prototype;

/**
 * Checks if `value` is likely a prototype object.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
 */
function isPrototype(value) {
  var Ctor = value && value.constructor,
      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

  return value === proto;
}

module.exports = isPrototype;


/***/ }),

/***/ 89162:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isObject = __webpack_require__(13218);

/**
 * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` if suitable for strict
 *  equality comparisons, else `false`.
 */
function isStrictComparable(value) {
  return value === value && !isObject(value);
}

module.exports = isStrictComparable;


/***/ }),

/***/ 27040:
/***/ ((module) => {

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
  this.size = 0;
}

module.exports = listCacheClear;


/***/ }),

/***/ 14125:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var assocIndexOf = __webpack_require__(18470);

/** Used for built-in method references. */
var arrayProto = Array.prototype;

/** Built-in value references. */
var splice = arrayProto.splice;

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  --this.size;
  return true;
}

module.exports = listCacheDelete;


/***/ }),

/***/ 82117:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var assocIndexOf = __webpack_require__(18470);

/**
 * Gets the list cache value for `key`.
 *
 * @private
 * @name get
 * @memberOf ListCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function listCacheGet(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  return index < 0 ? undefined : data[index][1];
}

module.exports = listCacheGet;


/***/ }),

/***/ 67518:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var assocIndexOf = __webpack_require__(18470);

/**
 * Checks if a list cache value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf ListCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function listCacheHas(key) {
  return assocIndexOf(this.__data__, key) > -1;
}

module.exports = listCacheHas;


/***/ }),

/***/ 54705:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var assocIndexOf = __webpack_require__(18470);

/**
 * Sets the list cache `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf ListCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the list cache instance.
 */
function listCacheSet(key, value) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    ++this.size;
    data.push([key, value]);
  } else {
    data[index][1] = value;
  }
  return this;
}

module.exports = listCacheSet;


/***/ }),

/***/ 24785:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Hash = __webpack_require__(1989),
    ListCache = __webpack_require__(38407),
    Map = __webpack_require__(57071);

/**
 * Removes all key-value entries from the map.
 *
 * @private
 * @name clear
 * @memberOf MapCache
 */
function mapCacheClear() {
  this.size = 0;
  this.__data__ = {
    'hash': new Hash,
    'map': new (Map || ListCache),
    'string': new Hash
  };
}

module.exports = mapCacheClear;


/***/ }),

/***/ 11285:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getMapData = __webpack_require__(45050);

/**
 * Removes `key` and its value from the map.
 *
 * @private
 * @name delete
 * @memberOf MapCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function mapCacheDelete(key) {
  var result = getMapData(this, key)['delete'](key);
  this.size -= result ? 1 : 0;
  return result;
}

module.exports = mapCacheDelete;


/***/ }),

/***/ 96000:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getMapData = __webpack_require__(45050);

/**
 * Gets the map value for `key`.
 *
 * @private
 * @name get
 * @memberOf MapCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function mapCacheGet(key) {
  return getMapData(this, key).get(key);
}

module.exports = mapCacheGet;


/***/ }),

/***/ 49916:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getMapData = __webpack_require__(45050);

/**
 * Checks if a map value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf MapCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function mapCacheHas(key) {
  return getMapData(this, key).has(key);
}

module.exports = mapCacheHas;


/***/ }),

/***/ 95265:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getMapData = __webpack_require__(45050);

/**
 * Sets the map `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf MapCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the map cache instance.
 */
function mapCacheSet(key, value) {
  var data = getMapData(this, key),
      size = data.size;

  data.set(key, value);
  this.size += data.size == size ? 0 : 1;
  return this;
}

module.exports = mapCacheSet;


/***/ }),

/***/ 68776:
/***/ ((module) => {

/**
 * Converts `map` to its key-value pairs.
 *
 * @private
 * @param {Object} map The map to convert.
 * @returns {Array} Returns the key-value pairs.
 */
function mapToArray(map) {
  var index = -1,
      result = Array(map.size);

  map.forEach(function(value, key) {
    result[++index] = [key, value];
  });
  return result;
}

module.exports = mapToArray;


/***/ }),

/***/ 42634:
/***/ ((module) => {

/**
 * A specialized version of `matchesProperty` for source values suitable
 * for strict equality comparisons, i.e. `===`.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @param {*} srcValue The value to match.
 * @returns {Function} Returns the new spec function.
 */
function matchesStrictComparable(key, srcValue) {
  return function(object) {
    if (object == null) {
      return false;
    }
    return object[key] === srcValue &&
      (srcValue !== undefined || (key in Object(object)));
  };
}

module.exports = matchesStrictComparable;


/***/ }),

/***/ 24523:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var memoize = __webpack_require__(88306);

/** Used as the maximum memoize cache size. */
var MAX_MEMOIZE_SIZE = 500;

/**
 * A specialized version of `_.memoize` which clears the memoized function's
 * cache when it exceeds `MAX_MEMOIZE_SIZE`.
 *
 * @private
 * @param {Function} func The function to have its output memoized.
 * @returns {Function} Returns the new memoized function.
 */
function memoizeCapped(func) {
  var result = memoize(func, function(key) {
    if (cache.size === MAX_MEMOIZE_SIZE) {
      cache.clear();
    }
    return key;
  });

  var cache = result.cache;
  return result;
}

module.exports = memoizeCapped;


/***/ }),

/***/ 94536:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var getNative = __webpack_require__(10852);

/* Built-in method references that are verified to be native. */
var nativeCreate = getNative(Object, 'create');

module.exports = nativeCreate;


/***/ }),

/***/ 86916:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var overArg = __webpack_require__(5569);

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeKeys = overArg(Object.keys, Object);

module.exports = nativeKeys;


/***/ }),

/***/ 33498:
/***/ ((module) => {

/**
 * This function is like
 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
 * except that it includes inherited enumerable properties.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function nativeKeysIn(object) {
  var result = [];
  if (object != null) {
    for (var key in Object(object)) {
      result.push(key);
    }
  }
  return result;
}

module.exports = nativeKeysIn;


/***/ }),

/***/ 31167:
/***/ ((module, exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
var freeGlobal = __webpack_require__(31957);

/** Detect free variable `exports`. */
var freeExports =  true && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && freeGlobal.process;

/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
  try {
    // Use `util.types` for Node.js 10+.
    var types = freeModule && freeModule.require && freeModule.require('util').types;

    if (types) {
      return types;
    }

    // Legacy `process.binding('util')` for Node.js < 10.
    return freeProcess && freeProcess.binding && freeProcess.binding('util');
  } catch (e) {}
}());

module.exports = nodeUtil;


/***/ }),

/***/ 2333:
/***/ ((module) => {

/** Used for built-in method references. */
var objectProto = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString.call(value);
}

module.exports = objectToString;


/***/ }),

/***/ 5569:
/***/ ((module) => {

/**
 * Creates a unary function that invokes `func` with its argument transformed.
 *
 * @private
 * @param {Function} func The function to wrap.
 * @param {Function} transform The argument transform.
 * @returns {Function} Returns the new function.
 */
function overArg(func, transform) {
  return function(arg) {
    return func(transform(arg));
  };
}

module.exports = overArg;


/***/ }),

/***/ 55639:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var freeGlobal = __webpack_require__(31957);

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

module.exports = root;


/***/ }),

/***/ 90619:
/***/ ((module) => {

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/**
 * Adds `value` to the array cache.
 *
 * @private
 * @name add
 * @memberOf SetCache
 * @alias push
 * @param {*} value The value to cache.
 * @returns {Object} Returns the cache instance.
 */
function setCacheAdd(value) {
  this.__data__.set(value, HASH_UNDEFINED);
  return this;
}

module.exports = setCacheAdd;


/***/ }),

/***/ 72385:
/***/ ((module) => {

/**
 * Checks if `value` is in the array cache.
 *
 * @private
 * @name has
 * @memberOf SetCache
 * @param {*} value The value to search for.
 * @returns {number} Returns `true` if `value` is found, else `false`.
 */
function setCacheHas(value) {
  return this.__data__.has(value);
}

module.exports = setCacheHas;


/***/ }),

/***/ 21814:
/***/ ((module) => {

/**
 * Converts `set` to an array of its values.
 *
 * @private
 * @param {Object} set The set to convert.
 * @returns {Array} Returns the values.
 */
function setToArray(set) {
  var index = -1,
      result = Array(set.size);

  set.forEach(function(value) {
    result[++index] = value;
  });
  return result;
}

module.exports = setToArray;


/***/ }),

/***/ 37465:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ListCache = __webpack_require__(38407);

/**
 * Removes all key-value entries from the stack.
 *
 * @private
 * @name clear
 * @memberOf Stack
 */
function stackClear() {
  this.__data__ = new ListCache;
  this.size = 0;
}

module.exports = stackClear;


/***/ }),

/***/ 63779:
/***/ ((module) => {

/**
 * Removes `key` and its value from the stack.
 *
 * @private
 * @name delete
 * @memberOf Stack
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function stackDelete(key) {
  var data = this.__data__,
      result = data['delete'](key);

  this.size = data.size;
  return result;
}

module.exports = stackDelete;


/***/ }),

/***/ 67599:
/***/ ((module) => {

/**
 * Gets the stack value for `key`.
 *
 * @private
 * @name get
 * @memberOf Stack
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function stackGet(key) {
  return this.__data__.get(key);
}

module.exports = stackGet;


/***/ }),

/***/ 44758:
/***/ ((module) => {

/**
 * Checks if a stack value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Stack
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function stackHas(key) {
  return this.__data__.has(key);
}

module.exports = stackHas;


/***/ }),

/***/ 34309:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ListCache = __webpack_require__(38407),
    Map = __webpack_require__(57071),
    MapCache = __webpack_require__(83369);

/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;

/**
 * Sets the stack `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Stack
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the stack cache instance.
 */
function stackSet(key, value) {
  var data = this.__data__;
  if (data instanceof ListCache) {
    var pairs = data.__data__;
    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
      pairs.push([key, value]);
      this.size = ++data.size;
      return this;
    }
    data = this.__data__ = new MapCache(pairs);
  }
  data.set(key, value);
  this.size = data.size;
  return this;
}

module.exports = stackSet;


/***/ }),

/***/ 55514:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var memoizeCapped = __webpack_require__(24523);

/** Used to match property names within property paths. */
var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

/** Used to match backslashes in property paths. */
var reEscapeChar = /\\(\\)?/g;

/**
 * Converts `string` to a property path array.
 *
 * @private
 * @param {string} string The string to convert.
 * @returns {Array} Returns the property path array.
 */
var stringToPath = memoizeCapped(function(string) {
  var result = [];
  if (string.charCodeAt(0) === 46 /* . */) {
    result.push('');
  }
  string.replace(rePropName, function(match, number, quote, subString) {
    result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
  });
  return result;
});

module.exports = stringToPath;


/***/ }),

/***/ 40327:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isSymbol = __webpack_require__(33448);

/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;

/**
 * Converts `value` to a string key if it's not a string or symbol.
 *
 * @private
 * @param {*} value The value to inspect.
 * @returns {string|symbol} Returns the key.
 */
function toKey(value) {
  if (typeof value == 'string' || isSymbol(value)) {
    return value;
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

module.exports = toKey;


/***/ }),

/***/ 80346:
/***/ ((module) => {

/** Used for built-in method references. */
var funcProto = Function.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/**
 * Converts `func` to its source code.
 *
 * @private
 * @param {Function} func The function to convert.
 * @returns {string} Returns the source code.
 */
function toSource(func) {
  if (func != null) {
    try {
      return funcToString.call(func);
    } catch (e) {}
    try {
      return (func + '');
    } catch (e) {}
  }
  return '';
}

module.exports = toSource;


/***/ }),

/***/ 77813:
/***/ ((module) => {

/**
 * Performs a
 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * comparison between two values to determine if they are equivalent.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.eq(object, object);
 * // => true
 *
 * _.eq(object, other);
 * // => false
 *
 * _.eq('a', 'a');
 * // => true
 *
 * _.eq('a', Object('a'));
 * // => false
 *
 * _.eq(NaN, NaN);
 * // => true
 */
function eq(value, other) {
  return value === other || (value !== value && other !== other);
}

module.exports = eq;


/***/ }),

/***/ 94654:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseFlatten = __webpack_require__(21078),
    map = __webpack_require__(35161);

/**
 * Creates a flattened array of values by running each element in `collection`
 * thru `iteratee` and flattening the mapped results. The iteratee is invoked
 * with three arguments: (value, index|key, collection).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Collection
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
 * @returns {Array} Returns the new flattened array.
 * @example
 *
 * function duplicate(n) {
 *   return [n, n];
 * }
 *
 * _.flatMap([1, 2], duplicate);
 * // => [1, 1, 2, 2]
 */
function flatMap(collection, iteratee) {
  return baseFlatten(map(collection, iteratee), 1);
}

module.exports = flatMap;


/***/ }),

/***/ 85564:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseFlatten = __webpack_require__(21078);

/**
 * Flattens `array` a single level deep.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Array
 * @param {Array} array The array to flatten.
 * @returns {Array} Returns the new flattened array.
 * @example
 *
 * _.flatten([1, [2, [3, [4]], 5]]);
 * // => [1, 2, [3, [4]], 5]
 */
function flatten(array) {
  var length = array == null ? 0 : array.length;
  return length ? baseFlatten(array, 1) : [];
}

module.exports = flatten;


/***/ }),

/***/ 27361:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGet = __webpack_require__(97786);

/**
 * Gets the value at `path` of `object`. If the resolved value is
 * `undefined`, the `defaultValue` is returned in its place.
 *
 * @static
 * @memberOf _
 * @since 3.7.0
 * @category Object
 * @param {Object} object The object to query.
 * @param {Array|string} path The path of the property to get.
 * @param {*} [defaultValue] The value returned for `undefined` resolved values.
 * @returns {*} Returns the resolved value.
 * @example
 *
 * var object = { 'a': [{ 'b': { 'c': 3 } }] };
 *
 * _.get(object, 'a[0].b.c');
 * // => 3
 *
 * _.get(object, ['a', '0', 'b', 'c']);
 * // => 3
 *
 * _.get(object, 'a.b.c', 'default');
 * // => 'default'
 */
function get(object, path, defaultValue) {
  var result = object == null ? undefined : baseGet(object, path);
  return result === undefined ? defaultValue : result;
}

module.exports = get;


/***/ }),

/***/ 7739:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseAssignValue = __webpack_require__(89465),
    createAggregator = __webpack_require__(55189);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Creates an object composed of keys generated from the results of running
 * each element of `collection` thru `iteratee`. The order of grouped values
 * is determined by the order they occur in `collection`. The corresponding
 * value of each key is an array of elements responsible for generating the
 * key. The iteratee is invoked with one argument: (value).
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Collection
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
 * @returns {Object} Returns the composed aggregate object.
 * @example
 *
 * _.groupBy([6.1, 4.2, 6.3], Math.floor);
 * // => { '4': [4.2], '6': [6.1, 6.3] }
 *
 * // The `_.property` iteratee shorthand.
 * _.groupBy(['one', 'two', 'three'], 'length');
 * // => { '3': ['one', 'two'], '5': ['three'] }
 */
var groupBy = createAggregator(function(result, value, key) {
  if (hasOwnProperty.call(result, key)) {
    result[key].push(value);
  } else {
    baseAssignValue(result, key, [value]);
  }
});

module.exports = groupBy;


/***/ }),

/***/ 79095:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseHasIn = __webpack_require__(13),
    hasPath = __webpack_require__(222);

/**
 * Checks if `path` is a direct or inherited property of `object`.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Object
 * @param {Object} object The object to query.
 * @param {Array|string} path The path to check.
 * @returns {boolean} Returns `true` if `path` exists, else `false`.
 * @example
 *
 * var object = _.create({ 'a': _.create({ 'b': 2 }) });
 *
 * _.hasIn(object, 'a');
 * // => true
 *
 * _.hasIn(object, 'a.b');
 * // => true
 *
 * _.hasIn(object, ['a', 'b']);
 * // => true
 *
 * _.hasIn(object, 'b');
 * // => false
 */
function hasIn(object, path) {
  return object != null && hasPath(object, path, baseHasIn);
}

module.exports = hasIn;


/***/ }),

/***/ 6557:
/***/ ((module) => {

/**
 * This method returns the first argument it receives.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Util
 * @param {*} value Any value.
 * @returns {*} Returns `value`.
 * @example
 *
 * var object = { 'a': 1 };
 *
 * console.log(_.identity(object) === object);
 * // => true
 */
function identity(value) {
  return value;
}

module.exports = identity;


/***/ }),

/***/ 35694:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsArguments = __webpack_require__(9454),
    isObjectLike = __webpack_require__(37005);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/** Built-in value references. */
var propertyIsEnumerable = objectProto.propertyIsEnumerable;

/**
 * Checks if `value` is likely an `arguments` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 *  else `false`.
 * @example
 *
 * _.isArguments(function() { return arguments; }());
 * // => true
 *
 * _.isArguments([1, 2, 3]);
 * // => false
 */
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
    !propertyIsEnumerable.call(value, 'callee');
};

module.exports = isArguments;


/***/ }),

/***/ 1469:
/***/ ((module) => {

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

module.exports = isArray;


/***/ }),

/***/ 98612:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var isFunction = __webpack_require__(23560),
    isLength = __webpack_require__(41780);

/**
 * Checks if `value` is array-like. A value is considered array-like if it's
 * not a function and has a `value.length` that's an integer greater than or
 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 * @example
 *
 * _.isArrayLike([1, 2, 3]);
 * // => true
 *
 * _.isArrayLike(document.body.children);
 * // => true
 *
 * _.isArrayLike('abc');
 * // => true
 *
 * _.isArrayLike(_.noop);
 * // => false
 */
function isArrayLike(value) {
  return value != null && isLength(value.length) && !isFunction(value);
}

module.exports = isArrayLike;


/***/ }),

/***/ 44144:
/***/ ((module, exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
var root = __webpack_require__(55639),
    stubFalse = __webpack_require__(95062);

/** Detect free variable `exports`. */
var freeExports =  true && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Built-in value references. */
var Buffer = moduleExports ? root.Buffer : undefined;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;

/**
 * Checks if `value` is a buffer.
 *
 * @static
 * @memberOf _
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
 * @example
 *
 * _.isBuffer(new Buffer(2));
 * // => true
 *
 * _.isBuffer(new Uint8Array(2));
 * // => false
 */
var isBuffer = nativeIsBuffer || stubFalse;

module.exports = isBuffer;


/***/ }),

/***/ 18446:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsEqual = __webpack_require__(90939);

/**
 * Performs a deep comparison between two values to determine if they are
 * equivalent.
 *
 * **Note:** This method supports comparing arrays, array buffers, booleans,
 * date objects, error objects, maps, numbers, `Object` objects, regexes,
 * sets, strings, symbols, and typed arrays. `Object` objects are compared
 * by their own, not inherited, enumerable properties. Functions and DOM
 * nodes are compared by strict equality, i.e. `===`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.isEqual(object, other);
 * // => true
 *
 * object === other;
 * // => false
 */
function isEqual(value, other) {
  return baseIsEqual(value, other);
}

module.exports = isEqual;


/***/ }),

/***/ 23560:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetTag = __webpack_require__(44239),
    isObject = __webpack_require__(13218);

/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
    funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    proxyTag = '[object Proxy]';

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  if (!isObject(value)) {
    return false;
  }
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in Safari 9 which returns 'object' for typed arrays and other constructors.
  var tag = baseGetTag(value);
  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
}

module.exports = isFunction;


/***/ }),

/***/ 41780:
/***/ ((module) => {

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This method is loosely based on
 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 * @example
 *
 * _.isLength(3);
 * // => true
 *
 * _.isLength(Number.MIN_VALUE);
 * // => false
 *
 * _.isLength(Infinity);
 * // => false
 *
 * _.isLength('3');
 * // => false
 */
function isLength(value) {
  return typeof value == 'number' &&
    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

module.exports = isLength;


/***/ }),

/***/ 13218:
/***/ ((module) => {

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

module.exports = isObject;


/***/ }),

/***/ 37005:
/***/ ((module) => {

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

module.exports = isObjectLike;


/***/ }),

/***/ 33448:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseGetTag = __webpack_require__(44239),
    isObjectLike = __webpack_require__(37005);

/** `Object#toString` result references. */
var symbolTag = '[object Symbol]';

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && baseGetTag(value) == symbolTag);
}

module.exports = isSymbol;


/***/ }),

/***/ 36719:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIsTypedArray = __webpack_require__(38749),
    baseUnary = __webpack_require__(7518),
    nodeUtil = __webpack_require__(31167);

/* Node.js helper references. */
var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

/**
 * Checks if `value` is classified as a typed array.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 * @example
 *
 * _.isTypedArray(new Uint8Array);
 * // => true
 *
 * _.isTypedArray([]);
 * // => false
 */
var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

module.exports = isTypedArray;


/***/ }),

/***/ 3674:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayLikeKeys = __webpack_require__(14636),
    baseKeys = __webpack_require__(280),
    isArrayLike = __webpack_require__(98612);

/**
 * Creates an array of the own enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects. See the
 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
 * for more details.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keys(new Foo);
 * // => ['a', 'b'] (iteration order is not guaranteed)
 *
 * _.keys('hi');
 * // => ['0', '1']
 */
function keys(object) {
  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
}

module.exports = keys;


/***/ }),

/***/ 81704:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayLikeKeys = __webpack_require__(14636),
    baseKeysIn = __webpack_require__(10313),
    isArrayLike = __webpack_require__(98612);

/**
 * Creates an array of the own and inherited enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keysIn(new Foo);
 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
 */
function keysIn(object) {
  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
}

module.exports = keysIn;


/***/ }),

/***/ 96486:
/***/ (function(module, exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
var __WEBPACK_AMD_DEFINE_RESULT__;/**
 * @license
 * Lodash <https://lodash.com/>
 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */
;(function() {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Used as the semantic version number. */
  var VERSION = '4.17.21';

  /** Used as the size to enable large array optimizations. */
  var LARGE_ARRAY_SIZE = 200;

  /** Error message constants. */
  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
      FUNC_ERROR_TEXT = 'Expected a function',
      INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** Used to compose bitmasks for cloning. */
  var CLONE_DEEP_FLAG = 1,
      CLONE_FLAT_FLAG = 2,
      CLONE_SYMBOLS_FLAG = 4;

  /** Used to compose bitmasks for value comparisons. */
  var COMPARE_PARTIAL_FLAG = 1,
      COMPARE_UNORDERED_FLAG = 2;

  /** Used to compose bitmasks for function metadata. */
  var WRAP_BIND_FLAG = 1,
      WRAP_BIND_KEY_FLAG = 2,
      WRAP_CURRY_BOUND_FLAG = 4,
      WRAP_CURRY_FLAG = 8,
      WRAP_CURRY_RIGHT_FLAG = 16,
      WRAP_PARTIAL_FLAG = 32,
      WRAP_PARTIAL_RIGHT_FLAG = 64,
      WRAP_ARY_FLAG = 128,
      WRAP_REARG_FLAG = 256,
      WRAP_FLIP_FLAG = 512;

  /** Used as default options for `_.truncate`. */
  var DEFAULT_TRUNC_LENGTH = 30,
      DEFAULT_TRUNC_OMISSION = '...';

  /** Used to detect hot functions by number of calls within a span of milliseconds. */
  var HOT_COUNT = 800,
      HOT_SPAN = 16;

  /** Used to indicate the type of lazy iteratees. */
  var LAZY_FILTER_FLAG = 1,
      LAZY_MAP_FLAG = 2,
      LAZY_WHILE_FLAG = 3;

  /** Used as references for various `Number` constants. */
  var INFINITY = 1 / 0,
      MAX_SAFE_INTEGER = 9007199254740991,
      MAX_INTEGER = 1.7976931348623157e+308,
      NAN = 0 / 0;

  /** Used as references for the maximum length and index of an array. */
  var MAX_ARRAY_LENGTH = 4294967295,
      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

  /** Used to associate wrap methods with their bit flags. */
  var wrapFlags = [
    ['ary', WRAP_ARY_FLAG],
    ['bind', WRAP_BIND_FLAG],
    ['bindKey', WRAP_BIND_KEY_FLAG],
    ['curry', WRAP_CURRY_FLAG],
    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
    ['flip', WRAP_FLIP_FLAG],
    ['partial', WRAP_PARTIAL_FLAG],
    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
    ['rearg', WRAP_REARG_FLAG]
  ];

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      asyncTag = '[object AsyncFunction]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      domExcTag = '[object DOMException]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      genTag = '[object GeneratorFunction]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      nullTag = '[object Null]',
      objectTag = '[object Object]',
      promiseTag = '[object Promise]',
      proxyTag = '[object Proxy]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      symbolTag = '[object Symbol]',
      undefinedTag = '[object Undefined]',
      weakMapTag = '[object WeakMap]',
      weakSetTag = '[object WeakSet]';

  var arrayBufferTag = '[object ArrayBuffer]',
      dataViewTag = '[object DataView]',
      float32Tag = '[object Float32Array]',
      float64Tag = '[object Float64Array]',
      int8Tag = '[object Int8Array]',
      int16Tag = '[object Int16Array]',
      int32Tag = '[object Int32Array]',
      uint8Tag = '[object Uint8Array]',
      uint8ClampedTag = '[object Uint8ClampedArray]',
      uint16Tag = '[object Uint16Array]',
      uint32Tag = '[object Uint32Array]';

  /** Used to match empty string literals in compiled template source. */
  var reEmptyStringLeading = /\b__p \+= '';/g,
      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

  /** Used to match HTML entities and HTML characters. */
  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
      reUnescapedHtml = /[&<>"']/g,
      reHasEscapedHtml = RegExp(reEscapedHtml.source),
      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

  /** Used to match template delimiters. */
  var reEscape = /<%-([\s\S]+?)%>/g,
      reEvaluate = /<%([\s\S]+?)%>/g,
      reInterpolate = /<%=([\s\S]+?)%>/g;

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /**
   * Used to match `RegExp`
   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
   */
  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
      reHasRegExpChar = RegExp(reRegExpChar.source);

  /** Used to match leading whitespace. */
  var reTrimStart = /^\s+/;

  /** Used to match a single whitespace character. */
  var reWhitespace = /\s/;

  /** Used to match wrap detail comments. */
  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
      reSplitDetails = /,? & /;

  /** Used to match words composed of alphanumeric characters. */
  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

  /**
   * Used to validate the `validate` option in `_.template` variable.
   *
   * Forbids characters which could potentially change the meaning of the function argument definition:
   * - "()," (modification of function parameters)
   * - "=" (default value)
   * - "[]{}" (destructuring of function parameters)
   * - "/" (beginning of a comment)
   * - whitespace
   */
  var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Used to match
   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
   */
  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect bad signed hexadecimal string values. */
  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

  /** Used to detect binary string values. */
  var reIsBinary = /^0b[01]+$/i;

  /** Used to detect host constructors (Safari). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

  /** Used to detect octal string values. */
  var reIsOctal = /^0o[0-7]+$/i;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^(?:0|[1-9]\d*)$/;

  /** Used to match Latin Unicode letters (excluding mathematical operators). */
  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;

  /** Used to ensure capturing order of template delimiters. */
  var reNoMatch = /($^)/;

  /** Used to match unescaped characters in compiled string literals. */
  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

  /** Used to compose unicode character classes. */
  var rsAstralRange = '\\ud800-\\udfff',
      rsComboMarksRange = '\\u0300-\\u036f',
      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
      rsComboSymbolsRange = '\\u20d0-\\u20ff',
      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
      rsDingbatRange = '\\u2700-\\u27bf',
      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
      rsPunctuationRange = '\\u2000-\\u206f',
      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
      rsVarRange = '\\ufe0e\\ufe0f',
      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;

  /** Used to compose unicode capture groups. */
  var rsApos = "['\u2019]",
      rsAstral = '[' + rsAstralRange + ']',
      rsBreak = '[' + rsBreakRange + ']',
      rsCombo = '[' + rsComboRange + ']',
      rsDigits = '\\d+',
      rsDingbat = '[' + rsDingbatRange + ']',
      rsLower = '[' + rsLowerRange + ']',
      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
      rsFitz = '\\ud83c[\\udffb-\\udfff]',
      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
      rsNonAstral = '[^' + rsAstralRange + ']',
      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
      rsUpper = '[' + rsUpperRange + ']',
      rsZWJ = '\\u200d';

  /** Used to compose unicode regexes. */
  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
      reOptMod = rsModifier + '?',
      rsOptVar = '[' + rsVarRange + ']?',
      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
      rsSeq = rsOptVar + reOptMod + rsOptJoin,
      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';

  /** Used to match apostrophes. */
  var reApos = RegExp(rsApos, 'g');

  /**
   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
   */
  var reComboMark = RegExp(rsCombo, 'g');

  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

  /** Used to match complex or compound words. */
  var reUnicodeWord = RegExp([
    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
    rsUpper + '+' + rsOptContrUpper,
    rsOrdUpper,
    rsOrdLower,
    rsDigits,
    rsEmoji
  ].join('|'), 'g');

  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

  /** Used to detect strings that need a more robust regexp to match words. */
  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;

  /** Used to assign default `context` object properties. */
  var contextProps = [
    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
  ];

  /** Used to make template sourceURLs easier to identify. */
  var templateCounter = -1;

  /** Used to identify `toStringTag` values of typed arrays. */
  var typedArrayTags = {};
  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  typedArrayTags[uint32Tag] = true;
  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
  typedArrayTags[setTag] = typedArrayTags[stringTag] =
  typedArrayTags[weakMapTag] = false;

  /** Used to identify `toStringTag` values supported by `_.clone`. */
  var cloneableTags = {};
  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
  cloneableTags[boolTag] = cloneableTags[dateTag] =
  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
  cloneableTags[int32Tag] = cloneableTags[mapTag] =
  cloneableTags[numberTag] = cloneableTags[objectTag] =
  cloneableTags[regexpTag] = cloneableTags[setTag] =
  cloneableTags[stringTag] = cloneableTags[symbolTag] =
  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  cloneableTags[errorTag] = cloneableTags[funcTag] =
  cloneableTags[weakMapTag] = false;

  /** Used to map Latin Unicode letters to basic Latin letters. */
  var deburredLetters = {
    // Latin-1 Supplement block.
    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
    '\xc7': 'C',  '\xe7': 'c',
    '\xd0': 'D',  '\xf0': 'd',
    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
    '\xd1': 'N',  '\xf1': 'n',
    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
    '\xc6': 'Ae', '\xe6': 'ae',
    '\xde': 'Th', '\xfe': 'th',
    '\xdf': 'ss',
    // Latin Extended-A block.
    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
    '\u0134': 'J',  '\u0135': 'j',
    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
    '\u0174': 'W',  '\u0175': 'w',
    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
    '\u0132': 'IJ', '\u0133': 'ij',
    '\u0152': 'Oe', '\u0153': 'oe',
    '\u0149': "'n", '\u017f': 's'
  };

  /** Used to map characters to HTML entities. */
  var htmlEscapes = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  /** Used to map HTML entities to characters. */
  var htmlUnescapes = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'"
  };

  /** Used to escape characters for inclusion in compiled string literals. */
  var stringEscapes = {
    '\\': '\\',
    "'": "'",
    '\n': 'n',
    '\r': 'r',
    '\u2028': 'u2028',
    '\u2029': 'u2029'
  };

  /** Built-in method references without a dependency on `root`. */
  var freeParseFloat = parseFloat,
      freeParseInt = parseInt;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();

  /** Detect free variable `exports`. */
  var freeExports =  true && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports;

  /** Detect free variable `process` from Node.js. */
  var freeProcess = moduleExports && freeGlobal.process;

  /** Used to access faster Node.js helpers. */
  var nodeUtil = (function() {
    try {
      // Use `util.types` for Node.js 10+.
      var types = freeModule && freeModule.require && freeModule.require('util').types;

      if (types) {
        return types;
      }

      // Legacy `process.binding('util')` for Node.js < 10.
      return freeProcess && freeProcess.binding && freeProcess.binding('util');
    } catch (e) {}
  }());

  /* Node.js helper references. */
  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
      nodeIsDate = nodeUtil && nodeUtil.isDate,
      nodeIsMap = nodeUtil && nodeUtil.isMap,
      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
      nodeIsSet = nodeUtil && nodeUtil.isSet,
      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

  /*--------------------------------------------------------------------------*/

  /**
   * A faster alternative to `Function#apply`, this function invokes `func`
   * with the `this` binding of `thisArg` and the arguments of `args`.
   *
   * @private
   * @param {Function} func The function to invoke.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {Array} args The arguments to invoke `func` with.
   * @returns {*} Returns the result of `func`.
   */
  function apply(func, thisArg, args) {
    switch (args.length) {
      case 0: return func.call(thisArg);
      case 1: return func.call(thisArg, args[0]);
      case 2: return func.call(thisArg, args[0], args[1]);
      case 3: return func.call(thisArg, args[0], args[1], args[2]);
    }
    return func.apply(thisArg, args);
  }

  /**
   * A specialized version of `baseAggregator` for arrays.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} setter The function to set `accumulator` values.
   * @param {Function} iteratee The iteratee to transform keys.
   * @param {Object} accumulator The initial aggregated object.
   * @returns {Function} Returns `accumulator`.
   */
  function arrayAggregator(array, setter, iteratee, accumulator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      var value = array[index];
      setter(accumulator, value, iteratee(value), array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.forEachRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEachRight(array, iteratee) {
    var length = array == null ? 0 : array.length;

    while (length--) {
      if (iteratee(array[length], length, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.every` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   */
  function arrayEvery(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.filter` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Array} Returns the new filtered array.
   */
  function arrayFilter(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (predicate(value, index, array)) {
        result[resIndex++] = value;
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.includes` for arrays without support for
   * specifying an index to search from.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludes(array, value) {
    var length = array == null ? 0 : array.length;
    return !!length && baseIndexOf(array, value, 0) > -1;
  }

  /**
   * This function is like `arrayIncludes` except that it accepts a comparator.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludesWith(array, value, comparator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (comparator(value, array[index])) {
        return true;
      }
    }
    return false;
  }

  /**
   * A specialized version of `_.map` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function arrayMap(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  /**
   * Appends the elements of `values` to `array`.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {Array} values The values to append.
   * @returns {Array} Returns `array`.
   */
  function arrayPush(array, values) {
    var index = -1,
        length = values.length,
        offset = array.length;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  /**
   * A specialized version of `_.reduce` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the first element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduce(array, iteratee, accumulator, initAccum) {
    var index = -1,
        length = array == null ? 0 : array.length;

    if (initAccum && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.reduceRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the last element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
    var length = array == null ? 0 : array.length;
    if (initAccum && length) {
      accumulator = array[--length];
    }
    while (length--) {
      accumulator = iteratee(accumulator, array[length], length, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.some` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if any element passes the predicate check,
   *  else `false`.
   */
  function arraySome(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the size of an ASCII `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  var asciiSize = baseProperty('length');

  /**
   * Converts an ASCII `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function asciiToArray(string) {
    return string.split('');
  }

  /**
   * Splits an ASCII `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function asciiWords(string) {
    return string.match(reAsciiWord) || [];
  }

  /**
   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
   * without support for iteratee shorthands, which iterates over `collection`
   * using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFindKey(collection, predicate, eachFunc) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = key;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {number} fromIndex The index to search from.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOf(array, value, fromIndex) {
    return value === value
      ? strictIndexOf(array, value, fromIndex)
      : baseFindIndex(array, baseIsNaN, fromIndex);
  }

  /**
   * This function is like `baseIndexOf` except that it accepts a comparator.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOfWith(array, value, fromIndex, comparator) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (comparator(array[index], value)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isNaN` without support for number objects.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
   */
  function baseIsNaN(value) {
    return value !== value;
  }

  /**
   * The base implementation of `_.mean` and `_.meanBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the mean.
   */
  function baseMean(array, iteratee) {
    var length = array == null ? 0 : array.length;
    return length ? (baseSum(array, iteratee) / length) : NAN;
  }

  /**
   * The base implementation of `_.property` without support for deep paths.
   *
   * @private
   * @param {string} key The key of the property to get.
   * @returns {Function} Returns the new accessor function.
   */
  function baseProperty(key) {
    return function(object) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.propertyOf` without support for deep paths.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Function} Returns the new accessor function.
   */
  function basePropertyOf(object) {
    return function(key) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.reduce` and `_.reduceRight`, without support
   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} accumulator The initial value.
   * @param {boolean} initAccum Specify using the first or last element of
   *  `collection` as the initial value.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the accumulated value.
   */
  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
    eachFunc(collection, function(value, index, collection) {
      accumulator = initAccum
        ? (initAccum = false, value)
        : iteratee(accumulator, value, index, collection);
    });
    return accumulator;
  }

  /**
   * The base implementation of `_.sortBy` which uses `comparer` to define the
   * sort order of `array` and replaces criteria objects with their corresponding
   * values.
   *
   * @private
   * @param {Array} array The array to sort.
   * @param {Function} comparer The function to define sort order.
   * @returns {Array} Returns `array`.
   */
  function baseSortBy(array, comparer) {
    var length = array.length;

    array.sort(comparer);
    while (length--) {
      array[length] = array[length].value;
    }
    return array;
  }

  /**
   * The base implementation of `_.sum` and `_.sumBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the sum.
   */
  function baseSum(array, iteratee) {
    var result,
        index = -1,
        length = array.length;

    while (++index < length) {
      var current = iteratee(array[index]);
      if (current !== undefined) {
        result = result === undefined ? current : (result + current);
      }
    }
    return result;
  }

  /**
   * The base implementation of `_.times` without support for iteratee shorthands
   * or max array length checks.
   *
   * @private
   * @param {number} n The number of times to invoke `iteratee`.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the array of results.
   */
  function baseTimes(n, iteratee) {
    var index = -1,
        result = Array(n);

    while (++index < n) {
      result[index] = iteratee(index);
    }
    return result;
  }

  /**
   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
   * of key-value pairs for `object` corresponding to the property names of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the key-value pairs.
   */
  function baseToPairs(object, props) {
    return arrayMap(props, function(key) {
      return [key, object[key]];
    });
  }

  /**
   * The base implementation of `_.trim`.
   *
   * @private
   * @param {string} string The string to trim.
   * @returns {string} Returns the trimmed string.
   */
  function baseTrim(string) {
    return string
      ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
      : string;
  }

  /**
   * The base implementation of `_.unary` without support for storing metadata.
   *
   * @private
   * @param {Function} func The function to cap arguments for.
   * @returns {Function} Returns the new capped function.
   */
  function baseUnary(func) {
    return function(value) {
      return func(value);
    };
  }

  /**
   * The base implementation of `_.values` and `_.valuesIn` which creates an
   * array of `object` property values corresponding to the property names
   * of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the array of property values.
   */
  function baseValues(object, props) {
    return arrayMap(props, function(key) {
      return object[key];
    });
  }

  /**
   * Checks if a `cache` value for `key` exists.
   *
   * @private
   * @param {Object} cache The cache to query.
   * @param {string} key The key of the entry to check.
   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
   */
  function cacheHas(cache, key) {
    return cache.has(key);
  }

  /**
   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the first unmatched string symbol.
   */
  function charsStartIndex(strSymbols, chrSymbols) {
    var index = -1,
        length = strSymbols.length;

    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the last unmatched string symbol.
   */
  function charsEndIndex(strSymbols, chrSymbols) {
    var index = strSymbols.length;

    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Gets the number of `placeholder` occurrences in `array`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} placeholder The placeholder to search for.
   * @returns {number} Returns the placeholder count.
   */
  function countHolders(array, placeholder) {
    var length = array.length,
        result = 0;

    while (length--) {
      if (array[length] === placeholder) {
        ++result;
      }
    }
    return result;
  }

  /**
   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
   * letters to basic Latin letters.
   *
   * @private
   * @param {string} letter The matched letter to deburr.
   * @returns {string} Returns the deburred letter.
   */
  var deburrLetter = basePropertyOf(deburredLetters);

  /**
   * Used by `_.escape` to convert characters to HTML entities.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  var escapeHtmlChar = basePropertyOf(htmlEscapes);

  /**
   * Used by `_.template` to escape characters for inclusion in compiled string literals.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  function escapeStringChar(chr) {
    return '\\' + stringEscapes[chr];
  }

  /**
   * Gets the value at `key` of `object`.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function getValue(object, key) {
    return object == null ? undefined : object[key];
  }

  /**
   * Checks if `string` contains Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
   */
  function hasUnicode(string) {
    return reHasUnicode.test(string);
  }

  /**
   * Checks if `string` contains a word composed of Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a word is found, else `false`.
   */
  function hasUnicodeWord(string) {
    return reHasUnicodeWord.test(string);
  }

  /**
   * Converts `iterator` to an array.
   *
   * @private
   * @param {Object} iterator The iterator to convert.
   * @returns {Array} Returns the converted array.
   */
  function iteratorToArray(iterator) {
    var data,
        result = [];

    while (!(data = iterator.next()).done) {
      result.push(data.value);
    }
    return result;
  }

  /**
   * Converts `map` to its key-value pairs.
   *
   * @private
   * @param {Object} map The map to convert.
   * @returns {Array} Returns the key-value pairs.
   */
  function mapToArray(map) {
    var index = -1,
        result = Array(map.size);

    map.forEach(function(value, key) {
      result[++index] = [key, value];
    });
    return result;
  }

  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  /**
   * Replaces all `placeholder` elements in `array` with an internal placeholder
   * and returns an array of their indexes.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {*} placeholder The placeholder to replace.
   * @returns {Array} Returns the new array of placeholder indexes.
   */
  function replaceHolders(array, placeholder) {
    var index = -1,
        length = array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (value === placeholder || value === PLACEHOLDER) {
        array[index] = PLACEHOLDER;
        result[resIndex++] = index;
      }
    }
    return result;
  }

  /**
   * Converts `set` to an array of its values.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the values.
   */
  function setToArray(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = value;
    });
    return result;
  }

  /**
   * Converts `set` to its value-value pairs.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the value-value pairs.
   */
  function setToPairs(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = [value, value];
    });
    return result;
  }

  /**
   * A specialized version of `_.indexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictIndexOf(array, value, fromIndex) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * A specialized version of `_.lastIndexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }

  /**
   * Gets the number of symbols in `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the string size.
   */
  function stringSize(string) {
    return hasUnicode(string)
      ? unicodeSize(string)
      : asciiSize(string);
  }

  /**
   * Converts `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function stringToArray(string) {
    return hasUnicode(string)
      ? unicodeToArray(string)
      : asciiToArray(string);
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
   * character of `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the index of the last non-whitespace character.
   */
  function trimmedEndIndex(string) {
    var index = string.length;

    while (index-- && reWhitespace.test(string.charAt(index))) {}
    return index;
  }

  /**
   * Used by `_.unescape` to convert HTML entities to characters.
   *
   * @private
   * @param {string} chr The matched character to unescape.
   * @returns {string} Returns the unescaped character.
   */
  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

  /**
   * Gets the size of a Unicode `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  function unicodeSize(string) {
    var result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
      ++result;
    }
    return result;
  }

  /**
   * Converts a Unicode `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function unicodeToArray(string) {
    return string.match(reUnicode) || [];
  }

  /**
   * Splits a Unicode `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function unicodeWords(string) {
    return string.match(reUnicodeWord) || [];
  }

  /*--------------------------------------------------------------------------*/

  /**
   * Create a new pristine `lodash` function using the `context` object.
   *
   * @static
   * @memberOf _
   * @since 1.1.0
   * @category Util
   * @param {Object} [context=root] The context object.
   * @returns {Function} Returns a new `lodash` function.
   * @example
   *
   * _.mixin({ 'foo': _.constant('foo') });
   *
   * var lodash = _.runInContext();
   * lodash.mixin({ 'bar': lodash.constant('bar') });
   *
   * _.isFunction(_.foo);
   * // => true
   * _.isFunction(_.bar);
   * // => false
   *
   * lodash.isFunction(lodash.foo);
   * // => false
   * lodash.isFunction(lodash.bar);
   * // => true
   *
   * // Create a suped-up `defer` in Node.js.
   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
   */
  var runInContext = (function runInContext(context) {
    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

    /** Built-in constructor references. */
    var Array = context.Array,
        Date = context.Date,
        Error = context.Error,
        Function = context.Function,
        Math = context.Math,
        Object = context.Object,
        RegExp = context.RegExp,
        String = context.String,
        TypeError = context.TypeError;

    /** Used for built-in method references. */
    var arrayProto = Array.prototype,
        funcProto = Function.prototype,
        objectProto = Object.prototype;

    /** Used to detect overreaching core-js shims. */
    var coreJsData = context['__core-js_shared__'];

    /** Used to resolve the decompiled source of functions. */
    var funcToString = funcProto.toString;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /** Used to generate unique IDs. */
    var idCounter = 0;

    /** Used to detect methods masquerading as native. */
    var maskSrcKey = (function() {
      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
      return uid ? ('Symbol(src)_1.' + uid) : '';
    }());

    /**
     * Used to resolve the
     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
     * of values.
     */
    var nativeObjectToString = objectProto.toString;

    /** Used to infer the `Object` constructor. */
    var objectCtorString = funcToString.call(Object);

    /** Used to restore the original `_` reference in `_.noConflict`. */
    var oldDash = root._;

    /** Used to detect if a method is native. */
    var reIsNative = RegExp('^' +
      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
    );

    /** Built-in value references. */
    var Buffer = moduleExports ? context.Buffer : undefined,
        Symbol = context.Symbol,
        Uint8Array = context.Uint8Array,
        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
        getPrototype = overArg(Object.getPrototypeOf, Object),
        objectCreate = Object.create,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        splice = arrayProto.splice,
        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
        symIterator = Symbol ? Symbol.iterator : undefined,
        symToStringTag = Symbol ? Symbol.toStringTag : undefined;

    var defineProperty = (function() {
      try {
        var func = getNative(Object, 'defineProperty');
        func({}, '', {});
        return func;
      } catch (e) {}
    }());

    /** Mocked built-ins. */
    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
        ctxNow = Date && Date.now !== root.Date.now && Date.now,
        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

    /* Built-in method references for those with the same name as other `lodash` methods. */
    var nativeCeil = Math.ceil,
        nativeFloor = Math.floor,
        nativeGetSymbols = Object.getOwnPropertySymbols,
        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
        nativeIsFinite = context.isFinite,
        nativeJoin = arrayProto.join,
        nativeKeys = overArg(Object.keys, Object),
        nativeMax = Math.max,
        nativeMin = Math.min,
        nativeNow = Date.now,
        nativeParseInt = context.parseInt,
        nativeRandom = Math.random,
        nativeReverse = arrayProto.reverse;

    /* Built-in method references that are verified to be native. */
    var DataView = getNative(context, 'DataView'),
        Map = getNative(context, 'Map'),
        Promise = getNative(context, 'Promise'),
        Set = getNative(context, 'Set'),
        WeakMap = getNative(context, 'WeakMap'),
        nativeCreate = getNative(Object, 'create');

    /** Used to store function metadata. */
    var metaMap = WeakMap && new WeakMap;

    /** Used to lookup unminified function names. */
    var realNames = {};

    /** Used to detect maps, sets, and weakmaps. */
    var dataViewCtorString = toSource(DataView),
        mapCtorString = toSource(Map),
        promiseCtorString = toSource(Promise),
        setCtorString = toSource(Set),
        weakMapCtorString = toSource(WeakMap);

    /** Used to convert symbols to primitives and strings. */
    var symbolProto = Symbol ? Symbol.prototype : undefined,
        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
        symbolToString = symbolProto ? symbolProto.toString : undefined;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` object which wraps `value` to enable implicit method
     * chain sequences. Methods that operate on and return arrays, collections,
     * and functions can be chained together. Methods that retrieve a single value
     * or may return a primitive value will automatically end the chain sequence
     * and return the unwrapped value. Otherwise, the value must be unwrapped
     * with `_#value`.
     *
     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
     * enabled using `_.chain`.
     *
     * The execution of chained methods is lazy, that is, it's deferred until
     * `_#value` is implicitly or explicitly called.
     *
     * Lazy evaluation allows several methods to support shortcut fusion.
     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
     * the creation of intermediate arrays and can greatly reduce the number of
     * iteratee executions. Sections of a chain sequence qualify for shortcut
     * fusion if the section is applied to an array and iteratees accept only
     * one argument. The heuristic for whether a section qualifies for shortcut
     * fusion is subject to change.
     *
     * Chaining is supported in custom builds as long as the `_#value` method is
     * directly or indirectly included in the build.
     *
     * In addition to lodash methods, wrappers have `Array` and `String` methods.
     *
     * The wrapper `Array` methods are:
     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
     *
     * The wrapper `String` methods are:
     * `replace` and `split`
     *
     * The wrapper methods that support shortcut fusion are:
     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
     *
     * The chainable wrapper methods are:
     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
     * `zipObject`, `zipObjectDeep`, and `zipWith`
     *
     * The wrapper methods that are **not** chainable by default are:
     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
     * `upperFirst`, `value`, and `words`
     *
     * @name _
     * @constructor
     * @category Seq
     * @param {*} value The value to wrap in a `lodash` instance.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2, 3]);
     *
     * // Returns an unwrapped value.
     * wrapped.reduce(_.add);
     * // => 6
     *
     * // Returns a wrapped value.
     * var squares = wrapped.map(square);
     *
     * _.isArray(squares);
     * // => false
     *
     * _.isArray(squares.value());
     * // => true
     */
    function lodash(value) {
      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
        if (value instanceof LodashWrapper) {
          return value;
        }
        if (hasOwnProperty.call(value, '__wrapped__')) {
          return wrapperClone(value);
        }
      }
      return new LodashWrapper(value);
    }

    /**
     * The base implementation of `_.create` without support for assigning
     * properties to the created object.
     *
     * @private
     * @param {Object} proto The object to inherit from.
     * @returns {Object} Returns the new object.
     */
    var baseCreate = (function() {
      function object() {}
      return function(proto) {
        if (!isObject(proto)) {
          return {};
        }
        if (objectCreate) {
          return objectCreate(proto);
        }
        object.prototype = proto;
        var result = new object;
        object.prototype = undefined;
        return result;
      };
    }());

    /**
     * The function whose prototype chain sequence wrappers inherit from.
     *
     * @private
     */
    function baseLodash() {
      // No operation performed.
    }

    /**
     * The base constructor for creating `lodash` wrapper objects.
     *
     * @private
     * @param {*} value The value to wrap.
     * @param {boolean} [chainAll] Enable explicit method chain sequences.
     */
    function LodashWrapper(value, chainAll) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__chain__ = !!chainAll;
      this.__index__ = 0;
      this.__values__ = undefined;
    }

    /**
     * By default, the template delimiters used by lodash are like those in
     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
     * following template settings to use alternative delimiters.
     *
     * @static
     * @memberOf _
     * @type {Object}
     */
    lodash.templateSettings = {

      /**
       * Used to detect `data` property values to be HTML-escaped.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'escape': reEscape,

      /**
       * Used to detect code to be evaluated.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'evaluate': reEvaluate,

      /**
       * Used to detect `data` property values to inject.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'interpolate': reInterpolate,

      /**
       * Used to reference the data object in the template text.
       *
       * @memberOf _.templateSettings
       * @type {string}
       */
      'variable': '',

      /**
       * Used to import variables into the compiled template.
       *
       * @memberOf _.templateSettings
       * @type {Object}
       */
      'imports': {

        /**
         * A reference to the `lodash` function.
         *
         * @memberOf _.templateSettings.imports
         * @type {Function}
         */
        '_': lodash
      }
    };

    // Ensure wrappers are instances of `baseLodash`.
    lodash.prototype = baseLodash.prototype;
    lodash.prototype.constructor = lodash;

    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
    LodashWrapper.prototype.constructor = LodashWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
     *
     * @private
     * @constructor
     * @param {*} value The value to wrap.
     */
    function LazyWrapper(value) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__dir__ = 1;
      this.__filtered__ = false;
      this.__iteratees__ = [];
      this.__takeCount__ = MAX_ARRAY_LENGTH;
      this.__views__ = [];
    }

    /**
     * Creates a clone of the lazy wrapper object.
     *
     * @private
     * @name clone
     * @memberOf LazyWrapper
     * @returns {Object} Returns the cloned `LazyWrapper` object.
     */
    function lazyClone() {
      var result = new LazyWrapper(this.__wrapped__);
      result.__actions__ = copyArray(this.__actions__);
      result.__dir__ = this.__dir__;
      result.__filtered__ = this.__filtered__;
      result.__iteratees__ = copyArray(this.__iteratees__);
      result.__takeCount__ = this.__takeCount__;
      result.__views__ = copyArray(this.__views__);
      return result;
    }

    /**
     * Reverses the direction of lazy iteration.
     *
     * @private
     * @name reverse
     * @memberOf LazyWrapper
     * @returns {Object} Returns the new reversed `LazyWrapper` object.
     */
    function lazyReverse() {
      if (this.__filtered__) {
        var result = new LazyWrapper(this);
        result.__dir__ = -1;
        result.__filtered__ = true;
      } else {
        result = this.clone();
        result.__dir__ *= -1;
      }
      return result;
    }

    /**
     * Extracts the unwrapped value from its lazy wrapper.
     *
     * @private
     * @name value
     * @memberOf LazyWrapper
     * @returns {*} Returns the unwrapped value.
     */
    function lazyValue() {
      var array = this.__wrapped__.value(),
          dir = this.__dir__,
          isArr = isArray(array),
          isRight = dir < 0,
          arrLength = isArr ? array.length : 0,
          view = getView(0, arrLength, this.__views__),
          start = view.start,
          end = view.end,
          length = end - start,
          index = isRight ? end : (start - 1),
          iteratees = this.__iteratees__,
          iterLength = iteratees.length,
          resIndex = 0,
          takeCount = nativeMin(length, this.__takeCount__);

      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
        return baseWrapperValue(array, this.__actions__);
      }
      var result = [];

      outer:
      while (length-- && resIndex < takeCount) {
        index += dir;

        var iterIndex = -1,
            value = array[index];

        while (++iterIndex < iterLength) {
          var data = iteratees[iterIndex],
              iteratee = data.iteratee,
              type = data.type,
              computed = iteratee(value);

          if (type == LAZY_MAP_FLAG) {
            value = computed;
          } else if (!computed) {
            if (type == LAZY_FILTER_FLAG) {
              continue outer;
            } else {
              break outer;
            }
          }
        }
        result[resIndex++] = value;
      }
      return result;
    }

    // Ensure `LazyWrapper` is an instance of `baseLodash`.
    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
    LazyWrapper.prototype.constructor = LazyWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a hash object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Hash(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the hash.
     *
     * @private
     * @name clear
     * @memberOf Hash
     */
    function hashClear() {
      this.__data__ = nativeCreate ? nativeCreate(null) : {};
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the hash.
     *
     * @private
     * @name delete
     * @memberOf Hash
     * @param {Object} hash The hash to modify.
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function hashDelete(key) {
      var result = this.has(key) && delete this.__data__[key];
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the hash value for `key`.
     *
     * @private
     * @name get
     * @memberOf Hash
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function hashGet(key) {
      var data = this.__data__;
      if (nativeCreate) {
        var result = data[key];
        return result === HASH_UNDEFINED ? undefined : result;
      }
      return hasOwnProperty.call(data, key) ? data[key] : undefined;
    }

    /**
     * Checks if a hash value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Hash
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function hashHas(key) {
      var data = this.__data__;
      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
    }

    /**
     * Sets the hash `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Hash
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the hash instance.
     */
    function hashSet(key, value) {
      var data = this.__data__;
      this.size += this.has(key) ? 0 : 1;
      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
      return this;
    }

    // Add methods to `Hash`.
    Hash.prototype.clear = hashClear;
    Hash.prototype['delete'] = hashDelete;
    Hash.prototype.get = hashGet;
    Hash.prototype.has = hashHas;
    Hash.prototype.set = hashSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an list cache object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function ListCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the list cache.
     *
     * @private
     * @name clear
     * @memberOf ListCache
     */
    function listCacheClear() {
      this.__data__ = [];
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the list cache.
     *
     * @private
     * @name delete
     * @memberOf ListCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function listCacheDelete(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        return false;
      }
      var lastIndex = data.length - 1;
      if (index == lastIndex) {
        data.pop();
      } else {
        splice.call(data, index, 1);
      }
      --this.size;
      return true;
    }

    /**
     * Gets the list cache value for `key`.
     *
     * @private
     * @name get
     * @memberOf ListCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function listCacheGet(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      return index < 0 ? undefined : data[index][1];
    }

    /**
     * Checks if a list cache value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf ListCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function listCacheHas(key) {
      return assocIndexOf(this.__data__, key) > -1;
    }

    /**
     * Sets the list cache `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf ListCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the list cache instance.
     */
    function listCacheSet(key, value) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        ++this.size;
        data.push([key, value]);
      } else {
        data[index][1] = value;
      }
      return this;
    }

    // Add methods to `ListCache`.
    ListCache.prototype.clear = listCacheClear;
    ListCache.prototype['delete'] = listCacheDelete;
    ListCache.prototype.get = listCacheGet;
    ListCache.prototype.has = listCacheHas;
    ListCache.prototype.set = listCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a map cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function MapCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the map.
     *
     * @private
     * @name clear
     * @memberOf MapCache
     */
    function mapCacheClear() {
      this.size = 0;
      this.__data__ = {
        'hash': new Hash,
        'map': new (Map || ListCache),
        'string': new Hash
      };
    }

    /**
     * Removes `key` and its value from the map.
     *
     * @private
     * @name delete
     * @memberOf MapCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function mapCacheDelete(key) {
      var result = getMapData(this, key)['delete'](key);
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the map value for `key`.
     *
     * @private
     * @name get
     * @memberOf MapCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function mapCacheGet(key) {
      return getMapData(this, key).get(key);
    }

    /**
     * Checks if a map value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf MapCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function mapCacheHas(key) {
      return getMapData(this, key).has(key);
    }

    /**
     * Sets the map `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf MapCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the map cache instance.
     */
    function mapCacheSet(key, value) {
      var data = getMapData(this, key),
          size = data.size;

      data.set(key, value);
      this.size += data.size == size ? 0 : 1;
      return this;
    }

    // Add methods to `MapCache`.
    MapCache.prototype.clear = mapCacheClear;
    MapCache.prototype['delete'] = mapCacheDelete;
    MapCache.prototype.get = mapCacheGet;
    MapCache.prototype.has = mapCacheHas;
    MapCache.prototype.set = mapCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     *
     * Creates an array cache object to store unique values.
     *
     * @private
     * @constructor
     * @param {Array} [values] The values to cache.
     */
    function SetCache(values) {
      var index = -1,
          length = values == null ? 0 : values.length;

      this.__data__ = new MapCache;
      while (++index < length) {
        this.add(values[index]);
      }
    }

    /**
     * Adds `value` to the array cache.
     *
     * @private
     * @name add
     * @memberOf SetCache
     * @alias push
     * @param {*} value The value to cache.
     * @returns {Object} Returns the cache instance.
     */
    function setCacheAdd(value) {
      this.__data__.set(value, HASH_UNDEFINED);
      return this;
    }

    /**
     * Checks if `value` is in the array cache.
     *
     * @private
     * @name has
     * @memberOf SetCache
     * @param {*} value The value to search for.
     * @returns {number} Returns `true` if `value` is found, else `false`.
     */
    function setCacheHas(value) {
      return this.__data__.has(value);
    }

    // Add methods to `SetCache`.
    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
    SetCache.prototype.has = setCacheHas;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a stack cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Stack(entries) {
      var data = this.__data__ = new ListCache(entries);
      this.size = data.size;
    }

    /**
     * Removes all key-value entries from the stack.
     *
     * @private
     * @name clear
     * @memberOf Stack
     */
    function stackClear() {
      this.__data__ = new ListCache;
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the stack.
     *
     * @private
     * @name delete
     * @memberOf Stack
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function stackDelete(key) {
      var data = this.__data__,
          result = data['delete'](key);

      this.size = data.size;
      return result;
    }

    /**
     * Gets the stack value for `key`.
     *
     * @private
     * @name get
     * @memberOf Stack
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function stackGet(key) {
      return this.__data__.get(key);
    }

    /**
     * Checks if a stack value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Stack
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function stackHas(key) {
      return this.__data__.has(key);
    }

    /**
     * Sets the stack `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Stack
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the stack cache instance.
     */
    function stackSet(key, value) {
      var data = this.__data__;
      if (data instanceof ListCache) {
        var pairs = data.__data__;
        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
          pairs.push([key, value]);
          this.size = ++data.size;
          return this;
        }
        data = this.__data__ = new MapCache(pairs);
      }
      data.set(key, value);
      this.size = data.size;
      return this;
    }

    // Add methods to `Stack`.
    Stack.prototype.clear = stackClear;
    Stack.prototype['delete'] = stackDelete;
    Stack.prototype.get = stackGet;
    Stack.prototype.has = stackHas;
    Stack.prototype.set = stackSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of the enumerable property names of the array-like `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @param {boolean} inherited Specify returning inherited property names.
     * @returns {Array} Returns the array of property names.
     */
    function arrayLikeKeys(value, inherited) {
      var isArr = isArray(value),
          isArg = !isArr && isArguments(value),
          isBuff = !isArr && !isArg && isBuffer(value),
          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
          skipIndexes = isArr || isArg || isBuff || isType,
          result = skipIndexes ? baseTimes(value.length, String) : [],
          length = result.length;

      for (var key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
               // Safari 9 has enumerable `arguments.length` in strict mode.
               key == 'length' ||
               // Node.js 0.10 has enumerable non-index properties on buffers.
               (isBuff && (key == 'offset' || key == 'parent')) ||
               // PhantomJS 2 has enumerable non-index properties on typed arrays.
               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
               // Skip index properties.
               isIndex(key, length)
            ))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * A specialized version of `_.sample` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @returns {*} Returns the random element.
     */
    function arraySample(array) {
      var length = array.length;
      return length ? array[baseRandom(0, length - 1)] : undefined;
    }

    /**
     * A specialized version of `_.sampleSize` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function arraySampleSize(array, n) {
      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
    }

    /**
     * A specialized version of `_.shuffle` for arrays.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function arrayShuffle(array) {
      return shuffleSelf(copyArray(array));
    }

    /**
     * This function is like `assignValue` except that it doesn't assign
     * `undefined` values.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignMergeValue(object, key, value) {
      if ((value !== undefined && !eq(object[key], value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Assigns `value` to `key` of `object` if the existing value is not equivalent
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignValue(object, key, value) {
      var objValue = object[key];
      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Gets the index at which the `key` is found in `array` of key-value pairs.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {*} key The key to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     */
    function assocIndexOf(array, key) {
      var length = array.length;
      while (length--) {
        if (eq(array[length][0], key)) {
          return length;
        }
      }
      return -1;
    }

    /**
     * Aggregates elements of `collection` on `accumulator` with keys transformed
     * by `iteratee` and values set by `setter`.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform keys.
     * @param {Object} accumulator The initial aggregated object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseAggregator(collection, setter, iteratee, accumulator) {
      baseEach(collection, function(value, key, collection) {
        setter(accumulator, value, iteratee(value), collection);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.assign` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssign(object, source) {
      return object && copyObject(source, keys(source), object);
    }

    /**
     * The base implementation of `_.assignIn` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssignIn(object, source) {
      return object && copyObject(source, keysIn(source), object);
    }

    /**
     * The base implementation of `assignValue` and `assignMergeValue` without
     * value checks.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function baseAssignValue(object, key, value) {
      if (key == '__proto__' && defineProperty) {
        defineProperty(object, key, {
          'configurable': true,
          'enumerable': true,
          'value': value,
          'writable': true
        });
      } else {
        object[key] = value;
      }
    }

    /**
     * The base implementation of `_.at` without support for individual paths.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {string[]} paths The property paths to pick.
     * @returns {Array} Returns the picked elements.
     */
    function baseAt(object, paths) {
      var index = -1,
          length = paths.length,
          result = Array(length),
          skip = object == null;

      while (++index < length) {
        result[index] = skip ? undefined : get(object, paths[index]);
      }
      return result;
    }

    /**
     * The base implementation of `_.clamp` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     */
    function baseClamp(number, lower, upper) {
      if (number === number) {
        if (upper !== undefined) {
          number = number <= upper ? number : upper;
        }
        if (lower !== undefined) {
          number = number >= lower ? number : lower;
        }
      }
      return number;
    }

    /**
     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
     * traversed objects.
     *
     * @private
     * @param {*} value The value to clone.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Deep clone
     *  2 - Flatten inherited properties
     *  4 - Clone symbols
     * @param {Function} [customizer] The function to customize cloning.
     * @param {string} [key] The key of `value`.
     * @param {Object} [object] The parent object of `value`.
     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
     * @returns {*} Returns the cloned value.
     */
    function baseClone(value, bitmask, customizer, key, object, stack) {
      var result,
          isDeep = bitmask & CLONE_DEEP_FLAG,
          isFlat = bitmask & CLONE_FLAT_FLAG,
          isFull = bitmask & CLONE_SYMBOLS_FLAG;

      if (customizer) {
        result = object ? customizer(value, key, object, stack) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(value)) {
        return value;
      }
      var isArr = isArray(value);
      if (isArr) {
        result = initCloneArray(value);
        if (!isDeep) {
          return copyArray(value, result);
        }
      } else {
        var tag = getTag(value),
            isFunc = tag == funcTag || tag == genTag;

        if (isBuffer(value)) {
          return cloneBuffer(value, isDeep);
        }
        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
          result = (isFlat || isFunc) ? {} : initCloneObject(value);
          if (!isDeep) {
            return isFlat
              ? copySymbolsIn(value, baseAssignIn(result, value))
              : copySymbols(value, baseAssign(result, value));
          }
        } else {
          if (!cloneableTags[tag]) {
            return object ? value : {};
          }
          result = initCloneByTag(value, tag, isDeep);
        }
      }
      // Check for circular references and return its corresponding clone.
      stack || (stack = new Stack);
      var stacked = stack.get(value);
      if (stacked) {
        return stacked;
      }
      stack.set(value, result);

      if (isSet(value)) {
        value.forEach(function(subValue) {
          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
        });
      } else if (isMap(value)) {
        value.forEach(function(subValue, key) {
          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
        });
      }

      var keysFunc = isFull
        ? (isFlat ? getAllKeysIn : getAllKeys)
        : (isFlat ? keysIn : keys);

      var props = isArr ? undefined : keysFunc(value);
      arrayEach(props || value, function(subValue, key) {
        if (props) {
          key = subValue;
          subValue = value[key];
        }
        // Recursively populate clone (susceptible to call stack limits).
        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
      });
      return result;
    }

    /**
     * The base implementation of `_.conforms` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     */
    function baseConforms(source) {
      var props = keys(source);
      return function(object) {
        return baseConformsTo(object, source, props);
      };
    }

    /**
     * The base implementation of `_.conformsTo` which accepts `props` to check.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     */
    function baseConformsTo(object, source, props) {
      var length = props.length;
      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (length--) {
        var key = props[length],
            predicate = source[key],
            value = object[key];

        if ((value === undefined && !(key in object)) || !predicate(value)) {
          return false;
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.delay` and `_.defer` which accepts `args`
     * to provide to `func`.
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {Array} args The arguments to provide to `func`.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    function baseDelay(func, wait, args) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return setTimeout(function() { func.apply(undefined, args); }, wait);
    }

    /**
     * The base implementation of methods like `_.difference` without support
     * for excluding multiple arrays or iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Array} values The values to exclude.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     */
    function baseDifference(array, values, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          isCommon = true,
          length = array.length,
          result = [],
          valuesLength = values.length;

      if (!length) {
        return result;
      }
      if (iteratee) {
        values = arrayMap(values, baseUnary(iteratee));
      }
      if (comparator) {
        includes = arrayIncludesWith;
        isCommon = false;
      }
      else if (values.length >= LARGE_ARRAY_SIZE) {
        includes = cacheHas;
        isCommon = false;
        values = new SetCache(values);
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee == null ? value : iteratee(value);

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var valuesIndex = valuesLength;
          while (valuesIndex--) {
            if (values[valuesIndex] === computed) {
              continue outer;
            }
          }
          result.push(value);
        }
        else if (!includes(values, computed, comparator)) {
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.forEach` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEach = createBaseEach(baseForOwn);

    /**
     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEachRight = createBaseEach(baseForOwnRight, true);

    /**
     * The base implementation of `_.every` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`
     */
    function baseEvery(collection, predicate) {
      var result = true;
      baseEach(collection, function(value, index, collection) {
        result = !!predicate(value, index, collection);
        return result;
      });
      return result;
    }

    /**
     * The base implementation of methods like `_.max` and `_.min` which accepts a
     * `comparator` to determine the extremum value.
     *
     * @private
     * @param {Array} array The array to iterate over.
     * @param {Function} iteratee The iteratee invoked per iteration.
     * @param {Function} comparator The comparator used to compare values.
     * @returns {*} Returns the extremum value.
     */
    function baseExtremum(array, iteratee, comparator) {
      var index = -1,
          length = array.length;

      while (++index < length) {
        var value = array[index],
            current = iteratee(value);

        if (current != null && (computed === undefined
              ? (current === current && !isSymbol(current))
              : comparator(current, computed)
            )) {
          var computed = current,
              result = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.fill` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     */
    function baseFill(array, value, start, end) {
      var length = array.length;

      start = toInteger(start);
      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = (end === undefined || end > length) ? length : toInteger(end);
      if (end < 0) {
        end += length;
      }
      end = start > end ? 0 : toLength(end);
      while (start < end) {
        array[start++] = value;
      }
      return array;
    }

    /**
     * The base implementation of `_.filter` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     */
    function baseFilter(collection, predicate) {
      var result = [];
      baseEach(collection, function(value, index, collection) {
        if (predicate(value, index, collection)) {
          result.push(value);
        }
      });
      return result;
    }

    /**
     * The base implementation of `_.flatten` with support for restricting flattening.
     *
     * @private
     * @param {Array} array The array to flatten.
     * @param {number} depth The maximum recursion depth.
     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
     * @param {Array} [result=[]] The initial result value.
     * @returns {Array} Returns the new flattened array.
     */
    function baseFlatten(array, depth, predicate, isStrict, result) {
      var index = -1,
          length = array.length;

      predicate || (predicate = isFlattenable);
      result || (result = []);

      while (++index < length) {
        var value = array[index];
        if (depth > 0 && predicate(value)) {
          if (depth > 1) {
            // Recursively flatten arrays (susceptible to call stack limits).
            baseFlatten(value, depth - 1, predicate, isStrict, result);
          } else {
            arrayPush(result, value);
          }
        } else if (!isStrict) {
          result[result.length] = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `baseForOwn` which iterates over `object`
     * properties returned by `keysFunc` and invokes `iteratee` for each property.
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseFor = createBaseFor();

    /**
     * This function is like `baseFor` except that it iterates over properties
     * in the opposite order.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseForRight = createBaseFor(true);

    /**
     * The base implementation of `_.forOwn` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwn(object, iteratee) {
      return object && baseFor(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwnRight(object, iteratee) {
      return object && baseForRight(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.functions` which creates an array of
     * `object` function property names filtered from `props`.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Array} props The property names to filter.
     * @returns {Array} Returns the function names.
     */
    function baseFunctions(object, props) {
      return arrayFilter(props, function(key) {
        return isFunction(object[key]);
      });
    }

    /**
     * The base implementation of `_.get` without support for default values.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @returns {*} Returns the resolved value.
     */
    function baseGet(object, path) {
      path = castPath(path, object);

      var index = 0,
          length = path.length;

      while (object != null && index < length) {
        object = object[toKey(path[index++])];
      }
      return (index && index == length) ? object : undefined;
    }

    /**
     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @param {Function} symbolsFunc The function to get the symbols of `object`.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
      var result = keysFunc(object);
      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
    }

    /**
     * The base implementation of `getTag` without fallbacks for buggy environments.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    function baseGetTag(value) {
      if (value == null) {
        return value === undefined ? undefinedTag : nullTag;
      }
      return (symToStringTag && symToStringTag in Object(value))
        ? getRawTag(value)
        : objectToString(value);
    }

    /**
     * The base implementation of `_.gt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     */
    function baseGt(value, other) {
      return value > other;
    }

    /**
     * The base implementation of `_.has` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHas(object, key) {
      return object != null && hasOwnProperty.call(object, key);
    }

    /**
     * The base implementation of `_.hasIn` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHasIn(object, key) {
      return object != null && key in Object(object);
    }

    /**
     * The base implementation of `_.inRange` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to check.
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     */
    function baseInRange(number, start, end) {
      return number >= nativeMin(start, end) && number < nativeMax(start, end);
    }

    /**
     * The base implementation of methods like `_.intersection`, without support
     * for iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of shared values.
     */
    function baseIntersection(arrays, iteratee, comparator) {
      var includes = comparator ? arrayIncludesWith : arrayIncludes,
          length = arrays[0].length,
          othLength = arrays.length,
          othIndex = othLength,
          caches = Array(othLength),
          maxLength = Infinity,
          result = [];

      while (othIndex--) {
        var array = arrays[othIndex];
        if (othIndex && iteratee) {
          array = arrayMap(array, baseUnary(iteratee));
        }
        maxLength = nativeMin(array.length, maxLength);
        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
          ? new SetCache(othIndex && array)
          : undefined;
      }
      array = arrays[0];

      var index = -1,
          seen = caches[0];

      outer:
      while (++index < length && result.length < maxLength) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (!(seen
              ? cacheHas(seen, computed)
              : includes(result, computed, comparator)
            )) {
          othIndex = othLength;
          while (--othIndex) {
            var cache = caches[othIndex];
            if (!(cache
                  ? cacheHas(cache, computed)
                  : includes(arrays[othIndex], computed, comparator))
                ) {
              continue outer;
            }
          }
          if (seen) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.invert` and `_.invertBy` which inverts
     * `object` with values transformed by `iteratee` and set by `setter`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform values.
     * @param {Object} accumulator The initial inverted object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseInverter(object, setter, iteratee, accumulator) {
      baseForOwn(object, function(value, key, object) {
        setter(accumulator, iteratee(value), key, object);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.invoke` without support for individual
     * method arguments.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {Array} args The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     */
    function baseInvoke(object, path, args) {
      path = castPath(path, object);
      object = parent(object, path);
      var func = object == null ? object : object[toKey(last(path))];
      return func == null ? undefined : apply(func, object, args);
    }

    /**
     * The base implementation of `_.isArguments`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     */
    function baseIsArguments(value) {
      return isObjectLike(value) && baseGetTag(value) == argsTag;
    }

    /**
     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     */
    function baseIsArrayBuffer(value) {
      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
    }

    /**
     * The base implementation of `_.isDate` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     */
    function baseIsDate(value) {
      return isObjectLike(value) && baseGetTag(value) == dateTag;
    }

    /**
     * The base implementation of `_.isEqual` which supports partial comparisons
     * and tracks traversed objects.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Unordered comparison
     *  2 - Partial comparison
     * @param {Function} [customizer] The function to customize comparisons.
     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     */
    function baseIsEqual(value, other, bitmask, customizer, stack) {
      if (value === other) {
        return true;
      }
      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
    }

    /**
     * A specialized version of `baseIsEqual` for arrays and objects which performs
     * deep comparisons and tracks traversed objects enabling objects with circular
     * references to be compared.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = objIsArr ? arrayTag : getTag(object),
          othTag = othIsArr ? arrayTag : getTag(other);

      objTag = objTag == argsTag ? objectTag : objTag;
      othTag = othTag == argsTag ? objectTag : othTag;

      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;

      if (isSameTag && isBuffer(object)) {
        if (!isBuffer(other)) {
          return false;
        }
        objIsArr = true;
        objIsObj = false;
      }
      if (isSameTag && !objIsObj) {
        stack || (stack = new Stack);
        return (objIsArr || isTypedArray(object))
          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
      }
      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

        if (objIsWrapped || othIsWrapped) {
          var objUnwrapped = objIsWrapped ? object.value() : object,
              othUnwrapped = othIsWrapped ? other.value() : other;

          stack || (stack = new Stack);
          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stack || (stack = new Stack);
      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
    }

    /**
     * The base implementation of `_.isMap` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     */
    function baseIsMap(value) {
      return isObjectLike(value) && getTag(value) == mapTag;
    }

    /**
     * The base implementation of `_.isMatch` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Array} matchData The property names, values, and compare flags to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     */
    function baseIsMatch(object, source, matchData, customizer) {
      var index = matchData.length,
          length = index,
          noCustomizer = !customizer;

      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (index--) {
        var data = matchData[index];
        if ((noCustomizer && data[2])
              ? data[1] !== object[data[0]]
              : !(data[0] in object)
            ) {
          return false;
        }
      }
      while (++index < length) {
        data = matchData[index];
        var key = data[0],
            objValue = object[key],
            srcValue = data[1];

        if (noCustomizer && data[2]) {
          if (objValue === undefined && !(key in object)) {
            return false;
          }
        } else {
          var stack = new Stack;
          if (customizer) {
            var result = customizer(objValue, srcValue, key, object, source, stack);
          }
          if (!(result === undefined
                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                : result
              )) {
            return false;
          }
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.isNative` without bad shim checks.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     */
    function baseIsNative(value) {
      if (!isObject(value) || isMasked(value)) {
        return false;
      }
      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
      return pattern.test(toSource(value));
    }

    /**
     * The base implementation of `_.isRegExp` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     */
    function baseIsRegExp(value) {
      return isObjectLike(value) && baseGetTag(value) == regexpTag;
    }

    /**
     * The base implementation of `_.isSet` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     */
    function baseIsSet(value) {
      return isObjectLike(value) && getTag(value) == setTag;
    }

    /**
     * The base implementation of `_.isTypedArray` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     */
    function baseIsTypedArray(value) {
      return isObjectLike(value) &&
        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
    }

    /**
     * The base implementation of `_.iteratee`.
     *
     * @private
     * @param {*} [value=_.identity] The value to convert to an iteratee.
     * @returns {Function} Returns the iteratee.
     */
    function baseIteratee(value) {
      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
      if (typeof value == 'function') {
        return value;
      }
      if (value == null) {
        return identity;
      }
      if (typeof value == 'object') {
        return isArray(value)
          ? baseMatchesProperty(value[0], value[1])
          : baseMatches(value);
      }
      return property(value);
    }

    /**
     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeys(object) {
      if (!isPrototype(object)) {
        return nativeKeys(object);
      }
      var result = [];
      for (var key in Object(object)) {
        if (hasOwnProperty.call(object, key) && key != 'constructor') {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeysIn(object) {
      if (!isObject(object)) {
        return nativeKeysIn(object);
      }
      var isProto = isPrototype(object),
          result = [];

      for (var key in object) {
        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.lt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     */
    function baseLt(value, other) {
      return value < other;
    }

    /**
     * The base implementation of `_.map` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     */
    function baseMap(collection, iteratee) {
      var index = -1,
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value, key, collection) {
        result[++index] = iteratee(value, key, collection);
      });
      return result;
    }

    /**
     * The base implementation of `_.matches` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatches(source) {
      var matchData = getMatchData(source);
      if (matchData.length == 1 && matchData[0][2]) {
        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
      }
      return function(object) {
        return object === source || baseIsMatch(object, source, matchData);
      };
    }

    /**
     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
     *
     * @private
     * @param {string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatchesProperty(path, srcValue) {
      if (isKey(path) && isStrictComparable(srcValue)) {
        return matchesStrictComparable(toKey(path), srcValue);
      }
      return function(object) {
        var objValue = get(object, path);
        return (objValue === undefined && objValue === srcValue)
          ? hasIn(object, path)
          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
      };
    }

    /**
     * The base implementation of `_.merge` without support for multiple sources.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} [customizer] The function to customize merged values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMerge(object, source, srcIndex, customizer, stack) {
      if (object === source) {
        return;
      }
      baseFor(source, function(srcValue, key) {
        stack || (stack = new Stack);
        if (isObject(srcValue)) {
          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
        }
        else {
          var newValue = customizer
            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
            : undefined;

          if (newValue === undefined) {
            newValue = srcValue;
          }
          assignMergeValue(object, key, newValue);
        }
      }, keysIn);
    }

    /**
     * A specialized version of `baseMerge` for arrays and objects which performs
     * deep merges and tracks traversed objects enabling objects with circular
     * references to be merged.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {string} key The key of the value to merge.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} mergeFunc The function to merge values.
     * @param {Function} [customizer] The function to customize assigned values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
      var objValue = safeGet(object, key),
          srcValue = safeGet(source, key),
          stacked = stack.get(srcValue);

      if (stacked) {
        assignMergeValue(object, key, stacked);
        return;
      }
      var newValue = customizer
        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
        : undefined;

      var isCommon = newValue === undefined;

      if (isCommon) {
        var isArr = isArray(srcValue),
            isBuff = !isArr && isBuffer(srcValue),
            isTyped = !isArr && !isBuff && isTypedArray(srcValue);

        newValue = srcValue;
        if (isArr || isBuff || isTyped) {
          if (isArray(objValue)) {
            newValue = objValue;
          }
          else if (isArrayLikeObject(objValue)) {
            newValue = copyArray(objValue);
          }
          else if (isBuff) {
            isCommon = false;
            newValue = cloneBuffer(srcValue, true);
          }
          else if (isTyped) {
            isCommon = false;
            newValue = cloneTypedArray(srcValue, true);
          }
          else {
            newValue = [];
          }
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          newValue = objValue;
          if (isArguments(objValue)) {
            newValue = toPlainObject(objValue);
          }
          else if (!isObject(objValue) || isFunction(objValue)) {
            newValue = initCloneObject(srcValue);
          }
        }
        else {
          isCommon = false;
        }
      }
      if (isCommon) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, newValue);
        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
        stack['delete'](srcValue);
      }
      assignMergeValue(object, key, newValue);
    }

    /**
     * The base implementation of `_.nth` which doesn't coerce arguments.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {number} n The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     */
    function baseNth(array, n) {
      var length = array.length;
      if (!length) {
        return;
      }
      n += n < 0 ? length : 0;
      return isIndex(n, length) ? array[n] : undefined;
    }

    /**
     * The base implementation of `_.orderBy` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
     * @param {string[]} orders The sort orders of `iteratees`.
     * @returns {Array} Returns the new sorted array.
     */
    function baseOrderBy(collection, iteratees, orders) {
      if (iteratees.length) {
        iteratees = arrayMap(iteratees, function(iteratee) {
          if (isArray(iteratee)) {
            return function(value) {
              return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
            }
          }
          return iteratee;
        });
      } else {
        iteratees = [identity];
      }

      var index = -1;
      iteratees = arrayMap(iteratees, baseUnary(getIteratee()));

      var result = baseMap(collection, function(value, key, collection) {
        var criteria = arrayMap(iteratees, function(iteratee) {
          return iteratee(value);
        });
        return { 'criteria': criteria, 'index': ++index, 'value': value };
      });

      return baseSortBy(result, function(object, other) {
        return compareMultiple(object, other, orders);
      });
    }

    /**
     * The base implementation of `_.pick` without support for individual
     * property identifiers.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @returns {Object} Returns the new object.
     */
    function basePick(object, paths) {
      return basePickBy(object, paths, function(value, path) {
        return hasIn(object, path);
      });
    }

    /**
     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @param {Function} predicate The function invoked per property.
     * @returns {Object} Returns the new object.
     */
    function basePickBy(object, paths, predicate) {
      var index = -1,
          length = paths.length,
          result = {};

      while (++index < length) {
        var path = paths[index],
            value = baseGet(object, path);

        if (predicate(value, path)) {
          baseSet(result, castPath(path, object), value);
        }
      }
      return result;
    }

    /**
     * A specialized version of `baseProperty` which supports deep paths.
     *
     * @private
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     */
    function basePropertyDeep(path) {
      return function(object) {
        return baseGet(object, path);
      };
    }

    /**
     * The base implementation of `_.pullAllBy` without support for iteratee
     * shorthands.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     */
    function basePullAll(array, values, iteratee, comparator) {
      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
          index = -1,
          length = values.length,
          seen = array;

      if (array === values) {
        values = copyArray(values);
      }
      if (iteratee) {
        seen = arrayMap(array, baseUnary(iteratee));
      }
      while (++index < length) {
        var fromIndex = 0,
            value = values[index],
            computed = iteratee ? iteratee(value) : value;

        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
          if (seen !== array) {
            splice.call(seen, fromIndex, 1);
          }
          splice.call(array, fromIndex, 1);
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.pullAt` without support for individual
     * indexes or capturing the removed elements.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {number[]} indexes The indexes of elements to remove.
     * @returns {Array} Returns `array`.
     */
    function basePullAt(array, indexes) {
      var length = array ? indexes.length : 0,
          lastIndex = length - 1;

      while (length--) {
        var index = indexes[length];
        if (length == lastIndex || index !== previous) {
          var previous = index;
          if (isIndex(index)) {
            splice.call(array, index, 1);
          } else {
            baseUnset(array, index);
          }
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.random` without support for returning
     * floating-point numbers.
     *
     * @private
     * @param {number} lower The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the random number.
     */
    function baseRandom(lower, upper) {
      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
    }

    /**
     * The base implementation of `_.range` and `_.rangeRight` which doesn't
     * coerce arguments.
     *
     * @private
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @param {number} step The value to increment or decrement by.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the range of numbers.
     */
    function baseRange(start, end, step, fromRight) {
      var index = -1,
          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
          result = Array(length);

      while (length--) {
        result[fromRight ? length : ++index] = start;
        start += step;
      }
      return result;
    }

    /**
     * The base implementation of `_.repeat` which doesn't coerce arguments.
     *
     * @private
     * @param {string} string The string to repeat.
     * @param {number} n The number of times to repeat the string.
     * @returns {string} Returns the repeated string.
     */
    function baseRepeat(string, n) {
      var result = '';
      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
        return result;
      }
      // Leverage the exponentiation by squaring algorithm for a faster repeat.
      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
      do {
        if (n % 2) {
          result += string;
        }
        n = nativeFloor(n / 2);
        if (n) {
          string += string;
        }
      } while (n);

      return result;
    }

    /**
     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     */
    function baseRest(func, start) {
      return setToString(overRest(func, start, identity), func + '');
    }

    /**
     * The base implementation of `_.sample`.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     */
    function baseSample(collection) {
      return arraySample(values(collection));
    }

    /**
     * The base implementation of `_.sampleSize` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function baseSampleSize(collection, n) {
      var array = values(collection);
      return shuffleSelf(array, baseClamp(n, 0, array.length));
    }

    /**
     * The base implementation of `_.set`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseSet(object, path, value, customizer) {
      if (!isObject(object)) {
        return object;
      }
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          lastIndex = length - 1,
          nested = object;

      while (nested != null && ++index < length) {
        var key = toKey(path[index]),
            newValue = value;

        if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
          return object;
        }

        if (index != lastIndex) {
          var objValue = nested[key];
          newValue = customizer ? customizer(objValue, key, nested) : undefined;
          if (newValue === undefined) {
            newValue = isObject(objValue)
              ? objValue
              : (isIndex(path[index + 1]) ? [] : {});
          }
        }
        assignValue(nested, key, newValue);
        nested = nested[key];
      }
      return object;
    }

    /**
     * The base implementation of `setData` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var baseSetData = !metaMap ? identity : function(func, data) {
      metaMap.set(func, data);
      return func;
    };

    /**
     * The base implementation of `setToString` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var baseSetToString = !defineProperty ? identity : function(func, string) {
      return defineProperty(func, 'toString', {
        'configurable': true,
        'enumerable': false,
        'value': constant(string),
        'writable': true
      });
    };

    /**
     * The base implementation of `_.shuffle`.
     *
     * @private
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function baseShuffle(collection) {
      return shuffleSelf(values(collection));
    }

    /**
     * The base implementation of `_.slice` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseSlice(array, start, end) {
      var index = -1,
          length = array.length;

      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = end > length ? length : end;
      if (end < 0) {
        end += length;
      }
      length = start > end ? 0 : ((end - start) >>> 0);
      start >>>= 0;

      var result = Array(length);
      while (++index < length) {
        result[index] = array[index + start];
      }
      return result;
    }

    /**
     * The base implementation of `_.some` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     */
    function baseSome(collection, predicate) {
      var result;

      baseEach(collection, function(value, index, collection) {
        result = predicate(value, index, collection);
        return !result;
      });
      return !!result;
    }

    /**
     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
     * performs a binary search of `array` to determine the index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndex(array, value, retHighest) {
      var low = 0,
          high = array == null ? low : array.length;

      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
          var mid = (low + high) >>> 1,
              computed = array[mid];

          if (computed !== null && !isSymbol(computed) &&
              (retHighest ? (computed <= value) : (computed < value))) {
            low = mid + 1;
          } else {
            high = mid;
          }
        }
        return high;
      }
      return baseSortedIndexBy(array, value, identity, retHighest);
    }

    /**
     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
     * which invokes `iteratee` for `value` and each element of `array` to compute
     * their sort ranking. The iteratee is invoked with one argument; (value).
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} iteratee The iteratee invoked per element.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndexBy(array, value, iteratee, retHighest) {
      var low = 0,
          high = array == null ? 0 : array.length;
      if (high === 0) {
        return 0;
      }

      value = iteratee(value);
      var valIsNaN = value !== value,
          valIsNull = value === null,
          valIsSymbol = isSymbol(value),
          valIsUndefined = value === undefined;

      while (low < high) {
        var mid = nativeFloor((low + high) / 2),
            computed = iteratee(array[mid]),
            othIsDefined = computed !== undefined,
            othIsNull = computed === null,
            othIsReflexive = computed === computed,
            othIsSymbol = isSymbol(computed);

        if (valIsNaN) {
          var setLow = retHighest || othIsReflexive;
        } else if (valIsUndefined) {
          setLow = othIsReflexive && (retHighest || othIsDefined);
        } else if (valIsNull) {
          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
        } else if (valIsSymbol) {
          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
        } else if (othIsNull || othIsSymbol) {
          setLow = false;
        } else {
          setLow = retHighest ? (computed <= value) : (computed < value);
        }
        if (setLow) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return nativeMin(high, MAX_ARRAY_INDEX);
    }

    /**
     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
     * support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseSortedUniq(array, iteratee) {
      var index = -1,
          length = array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        if (!index || !eq(computed, seen)) {
          var seen = computed;
          result[resIndex++] = value === 0 ? 0 : value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.toNumber` which doesn't ensure correct
     * conversions of binary, hexadecimal, or octal string values.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     */
    function baseToNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      return +value;
    }

    /**
     * The base implementation of `_.toString` which doesn't convert nullish
     * values to empty strings.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {string} Returns the string.
     */
    function baseToString(value) {
      // Exit early for strings to avoid a performance hit in some environments.
      if (typeof value == 'string') {
        return value;
      }
      if (isArray(value)) {
        // Recursively convert values (susceptible to call stack limits).
        return arrayMap(value, baseToString) + '';
      }
      if (isSymbol(value)) {
        return symbolToString ? symbolToString.call(value) : '';
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseUniq(array, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          length = array.length,
          isCommon = true,
          result = [],
          seen = result;

      if (comparator) {
        isCommon = false;
        includes = arrayIncludesWith;
      }
      else if (length >= LARGE_ARRAY_SIZE) {
        var set = iteratee ? null : createSet(array);
        if (set) {
          return setToArray(set);
        }
        isCommon = false;
        includes = cacheHas;
        seen = new SetCache;
      }
      else {
        seen = iteratee ? [] : result;
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var seenIndex = seen.length;
          while (seenIndex--) {
            if (seen[seenIndex] === computed) {
              continue outer;
            }
          }
          if (iteratee) {
            seen.push(computed);
          }
          result.push(value);
        }
        else if (!includes(seen, computed, comparator)) {
          if (seen !== result) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.unset`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The property path to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     */
    function baseUnset(object, path) {
      path = castPath(path, object);
      object = parent(object, path);
      return object == null || delete object[toKey(last(path))];
    }

    /**
     * The base implementation of `_.update`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to update.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseUpdate(object, path, updater, customizer) {
      return baseSet(object, path, updater(baseGet(object, path)), customizer);
    }

    /**
     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
     * without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {Function} predicate The function invoked per iteration.
     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseWhile(array, predicate, isDrop, fromRight) {
      var length = array.length,
          index = fromRight ? length : -1;

      while ((fromRight ? index-- : ++index < length) &&
        predicate(array[index], index, array)) {}

      return isDrop
        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
    }

    /**
     * The base implementation of `wrapperValue` which returns the result of
     * performing a sequence of actions on the unwrapped `value`, where each
     * successive action is supplied the return value of the previous.
     *
     * @private
     * @param {*} value The unwrapped value.
     * @param {Array} actions Actions to perform to resolve the unwrapped value.
     * @returns {*} Returns the resolved value.
     */
    function baseWrapperValue(value, actions) {
      var result = value;
      if (result instanceof LazyWrapper) {
        result = result.value();
      }
      return arrayReduce(actions, function(result, action) {
        return action.func.apply(action.thisArg, arrayPush([result], action.args));
      }, result);
    }

    /**
     * The base implementation of methods like `_.xor`, without support for
     * iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of values.
     */
    function baseXor(arrays, iteratee, comparator) {
      var length = arrays.length;
      if (length < 2) {
        return length ? baseUniq(arrays[0]) : [];
      }
      var index = -1,
          result = Array(length);

      while (++index < length) {
        var array = arrays[index],
            othIndex = -1;

        while (++othIndex < length) {
          if (othIndex != index) {
            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
          }
        }
      }
      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
    }

    /**
     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
     *
     * @private
     * @param {Array} props The property identifiers.
     * @param {Array} values The property values.
     * @param {Function} assignFunc The function to assign values.
     * @returns {Object} Returns the new object.
     */
    function baseZipObject(props, values, assignFunc) {
      var index = -1,
          length = props.length,
          valsLength = values.length,
          result = {};

      while (++index < length) {
        var value = index < valsLength ? values[index] : undefined;
        assignFunc(result, props[index], value);
      }
      return result;
    }

    /**
     * Casts `value` to an empty array if it's not an array like object.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Array|Object} Returns the cast array-like object.
     */
    function castArrayLikeObject(value) {
      return isArrayLikeObject(value) ? value : [];
    }

    /**
     * Casts `value` to `identity` if it's not a function.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Function} Returns cast function.
     */
    function castFunction(value) {
      return typeof value == 'function' ? value : identity;
    }

    /**
     * Casts `value` to a path array if it's not one.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {Object} [object] The object to query keys on.
     * @returns {Array} Returns the cast property path array.
     */
    function castPath(value, object) {
      if (isArray(value)) {
        return value;
      }
      return isKey(value, object) ? [value] : stringToPath(toString(value));
    }

    /**
     * A `baseRest` alias which can be replaced with `identity` by module
     * replacement plugins.
     *
     * @private
     * @type {Function}
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    var castRest = baseRest;

    /**
     * Casts `array` to a slice if it's needed.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {number} start The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the cast slice.
     */
    function castSlice(array, start, end) {
      var length = array.length;
      end = end === undefined ? length : end;
      return (!start && end >= length) ? array : baseSlice(array, start, end);
    }

    /**
     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
     *
     * @private
     * @param {number|Object} id The timer id or timeout object of the timer to clear.
     */
    var clearTimeout = ctxClearTimeout || function(id) {
      return root.clearTimeout(id);
    };

    /**
     * Creates a clone of  `buffer`.
     *
     * @private
     * @param {Buffer} buffer The buffer to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Buffer} Returns the cloned buffer.
     */
    function cloneBuffer(buffer, isDeep) {
      if (isDeep) {
        return buffer.slice();
      }
      var length = buffer.length,
          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

      buffer.copy(result);
      return result;
    }

    /**
     * Creates a clone of `arrayBuffer`.
     *
     * @private
     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
     * @returns {ArrayBuffer} Returns the cloned array buffer.
     */
    function cloneArrayBuffer(arrayBuffer) {
      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
      return result;
    }

    /**
     * Creates a clone of `dataView`.
     *
     * @private
     * @param {Object} dataView The data view to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned data view.
     */
    function cloneDataView(dataView, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
    }

    /**
     * Creates a clone of `regexp`.
     *
     * @private
     * @param {Object} regexp The regexp to clone.
     * @returns {Object} Returns the cloned regexp.
     */
    function cloneRegExp(regexp) {
      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
      result.lastIndex = regexp.lastIndex;
      return result;
    }

    /**
     * Creates a clone of the `symbol` object.
     *
     * @private
     * @param {Object} symbol The symbol object to clone.
     * @returns {Object} Returns the cloned symbol object.
     */
    function cloneSymbol(symbol) {
      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
    }

    /**
     * Creates a clone of `typedArray`.
     *
     * @private
     * @param {Object} typedArray The typed array to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned typed array.
     */
    function cloneTypedArray(typedArray, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
    }

    /**
     * Compares values to sort them in ascending order.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {number} Returns the sort order indicator for `value`.
     */
    function compareAscending(value, other) {
      if (value !== other) {
        var valIsDefined = value !== undefined,
            valIsNull = value === null,
            valIsReflexive = value === value,
            valIsSymbol = isSymbol(value);

        var othIsDefined = other !== undefined,
            othIsNull = other === null,
            othIsReflexive = other === other,
            othIsSymbol = isSymbol(other);

        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
            (valIsNull && othIsDefined && othIsReflexive) ||
            (!valIsDefined && othIsReflexive) ||
            !valIsReflexive) {
          return 1;
        }
        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
            (othIsNull && valIsDefined && valIsReflexive) ||
            (!othIsDefined && valIsReflexive) ||
            !othIsReflexive) {
          return -1;
        }
      }
      return 0;
    }

    /**
     * Used by `_.orderBy` to compare multiple properties of a value to another
     * and stable sort them.
     *
     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
     * specify an order of "desc" for descending or "asc" for ascending sort order
     * of corresponding values.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {boolean[]|string[]} orders The order to sort by for each property.
     * @returns {number} Returns the sort order indicator for `object`.
     */
    function compareMultiple(object, other, orders) {
      var index = -1,
          objCriteria = object.criteria,
          othCriteria = other.criteria,
          length = objCriteria.length,
          ordersLength = orders.length;

      while (++index < length) {
        var result = compareAscending(objCriteria[index], othCriteria[index]);
        if (result) {
          if (index >= ordersLength) {
            return result;
          }
          var order = orders[index];
          return result * (order == 'desc' ? -1 : 1);
        }
      }
      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
      // that causes it, under certain circumstances, to provide the same value for
      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
      // for more details.
      //
      // This also ensures a stable sort in V8 and other engines.
      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
      return object.index - other.index;
    }

    /**
     * Creates an array that is the composition of partially applied arguments,
     * placeholders, and provided arguments into a single array of arguments.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to prepend to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgs(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersLength = holders.length,
          leftIndex = -1,
          leftLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(leftLength + rangeLength),
          isUncurried = !isCurried;

      while (++leftIndex < leftLength) {
        result[leftIndex] = partials[leftIndex];
      }
      while (++argsIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[holders[argsIndex]] = args[argsIndex];
        }
      }
      while (rangeLength--) {
        result[leftIndex++] = args[argsIndex++];
      }
      return result;
    }

    /**
     * This function is like `composeArgs` except that the arguments composition
     * is tailored for `_.partialRight`.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to append to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgsRight(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersIndex = -1,
          holdersLength = holders.length,
          rightIndex = -1,
          rightLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(rangeLength + rightLength),
          isUncurried = !isCurried;

      while (++argsIndex < rangeLength) {
        result[argsIndex] = args[argsIndex];
      }
      var offset = argsIndex;
      while (++rightIndex < rightLength) {
        result[offset + rightIndex] = partials[rightIndex];
      }
      while (++holdersIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[offset + holders[holdersIndex]] = args[argsIndex++];
        }
      }
      return result;
    }

    /**
     * Copies the values of `source` to `array`.
     *
     * @private
     * @param {Array} source The array to copy values from.
     * @param {Array} [array=[]] The array to copy values to.
     * @returns {Array} Returns `array`.
     */
    function copyArray(source, array) {
      var index = -1,
          length = source.length;

      array || (array = Array(length));
      while (++index < length) {
        array[index] = source[index];
      }
      return array;
    }

    /**
     * Copies properties of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy properties from.
     * @param {Array} props The property identifiers to copy.
     * @param {Object} [object={}] The object to copy properties to.
     * @param {Function} [customizer] The function to customize copied values.
     * @returns {Object} Returns `object`.
     */
    function copyObject(source, props, object, customizer) {
      var isNew = !object;
      object || (object = {});

      var index = -1,
          length = props.length;

      while (++index < length) {
        var key = props[index];

        var newValue = customizer
          ? customizer(object[key], source[key], key, object, source)
          : undefined;

        if (newValue === undefined) {
          newValue = source[key];
        }
        if (isNew) {
          baseAssignValue(object, key, newValue);
        } else {
          assignValue(object, key, newValue);
        }
      }
      return object;
    }

    /**
     * Copies own symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbols(source, object) {
      return copyObject(source, getSymbols(source), object);
    }

    /**
     * Copies own and inherited symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbolsIn(source, object) {
      return copyObject(source, getSymbolsIn(source), object);
    }

    /**
     * Creates a function like `_.groupBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} [initializer] The accumulator object initializer.
     * @returns {Function} Returns the new aggregator function.
     */
    function createAggregator(setter, initializer) {
      return function(collection, iteratee) {
        var func = isArray(collection) ? arrayAggregator : baseAggregator,
            accumulator = initializer ? initializer() : {};

        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
      };
    }

    /**
     * Creates a function like `_.assign`.
     *
     * @private
     * @param {Function} assigner The function to assign values.
     * @returns {Function} Returns the new assigner function.
     */
    function createAssigner(assigner) {
      return baseRest(function(object, sources) {
        var index = -1,
            length = sources.length,
            customizer = length > 1 ? sources[length - 1] : undefined,
            guard = length > 2 ? sources[2] : undefined;

        customizer = (assigner.length > 3 && typeof customizer == 'function')
          ? (length--, customizer)
          : undefined;

        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
          customizer = length < 3 ? undefined : customizer;
          length = 1;
        }
        object = Object(object);
        while (++index < length) {
          var source = sources[index];
          if (source) {
            assigner(object, source, index, customizer);
          }
        }
        return object;
      });
    }

    /**
     * Creates a `baseEach` or `baseEachRight` function.
     *
     * @private
     * @param {Function} eachFunc The function to iterate over a collection.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseEach(eachFunc, fromRight) {
      return function(collection, iteratee) {
        if (collection == null) {
          return collection;
        }
        if (!isArrayLike(collection)) {
          return eachFunc(collection, iteratee);
        }
        var length = collection.length,
            index = fromRight ? length : -1,
            iterable = Object(collection);

        while ((fromRight ? index-- : ++index < length)) {
          if (iteratee(iterable[index], index, iterable) === false) {
            break;
          }
        }
        return collection;
      };
    }

    /**
     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseFor(fromRight) {
      return function(object, iteratee, keysFunc) {
        var index = -1,
            iterable = Object(object),
            props = keysFunc(object),
            length = props.length;

        while (length--) {
          var key = props[fromRight ? length : ++index];
          if (iteratee(iterable[key], key, iterable) === false) {
            break;
          }
        }
        return object;
      };
    }

    /**
     * Creates a function that wraps `func` to invoke it with the optional `this`
     * binding of `thisArg`.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createBind(func, bitmask, thisArg) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return fn.apply(isBind ? thisArg : this, arguments);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.lowerFirst`.
     *
     * @private
     * @param {string} methodName The name of the `String` case method to use.
     * @returns {Function} Returns the new case function.
     */
    function createCaseFirst(methodName) {
      return function(string) {
        string = toString(string);

        var strSymbols = hasUnicode(string)
          ? stringToArray(string)
          : undefined;

        var chr = strSymbols
          ? strSymbols[0]
          : string.charAt(0);

        var trailing = strSymbols
          ? castSlice(strSymbols, 1).join('')
          : string.slice(1);

        return chr[methodName]() + trailing;
      };
    }

    /**
     * Creates a function like `_.camelCase`.
     *
     * @private
     * @param {Function} callback The function to combine each word.
     * @returns {Function} Returns the new compounder function.
     */
    function createCompounder(callback) {
      return function(string) {
        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
      };
    }

    /**
     * Creates a function that produces an instance of `Ctor` regardless of
     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
     *
     * @private
     * @param {Function} Ctor The constructor to wrap.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCtor(Ctor) {
      return function() {
        // Use a `switch` statement to work with class constructors. See
        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
        // for more details.
        var args = arguments;
        switch (args.length) {
          case 0: return new Ctor;
          case 1: return new Ctor(args[0]);
          case 2: return new Ctor(args[0], args[1]);
          case 3: return new Ctor(args[0], args[1], args[2]);
          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        }
        var thisBinding = baseCreate(Ctor.prototype),
            result = Ctor.apply(thisBinding, args);

        // Mimic the constructor's `return` behavior.
        // See https://es5.github.io/#x13.2.2 for more details.
        return isObject(result) ? result : thisBinding;
      };
    }

    /**
     * Creates a function that wraps `func` to enable currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {number} arity The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCurry(func, bitmask, arity) {
      var Ctor = createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length,
            placeholder = getHolder(wrapper);

        while (index--) {
          args[index] = arguments[index];
        }
        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
          ? []
          : replaceHolders(args, placeholder);

        length -= holders.length;
        if (length < arity) {
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, undefined,
            args, holders, undefined, undefined, arity - length);
        }
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return apply(fn, this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.find` or `_.findLast` function.
     *
     * @private
     * @param {Function} findIndexFunc The function to find the collection index.
     * @returns {Function} Returns the new find function.
     */
    function createFind(findIndexFunc) {
      return function(collection, predicate, fromIndex) {
        var iterable = Object(collection);
        if (!isArrayLike(collection)) {
          var iteratee = getIteratee(predicate, 3);
          collection = keys(collection);
          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
        }
        var index = findIndexFunc(collection, predicate, fromIndex);
        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
      };
    }

    /**
     * Creates a `_.flow` or `_.flowRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new flow function.
     */
    function createFlow(fromRight) {
      return flatRest(function(funcs) {
        var length = funcs.length,
            index = length,
            prereq = LodashWrapper.prototype.thru;

        if (fromRight) {
          funcs.reverse();
        }
        while (index--) {
          var func = funcs[index];
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
            var wrapper = new LodashWrapper([], true);
          }
        }
        index = wrapper ? index : length;
        while (++index < length) {
          func = funcs[index];

          var funcName = getFuncName(func),
              data = funcName == 'wrapper' ? getData(func) : undefined;

          if (data && isLaziable(data[0]) &&
                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                !data[4].length && data[9] == 1
              ) {
            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
          } else {
            wrapper = (func.length == 1 && isLaziable(func))
              ? wrapper[funcName]()
              : wrapper.thru(func);
          }
        }
        return function() {
          var args = arguments,
              value = args[0];

          if (wrapper && args.length == 1 && isArray(value)) {
            return wrapper.plant(value).value();
          }
          var index = 0,
              result = length ? funcs[index].apply(this, args) : value;

          while (++index < length) {
            result = funcs[index].call(this, result);
          }
          return result;
        };
      });
    }

    /**
     * Creates a function that wraps `func` to invoke it with optional `this`
     * binding of `thisArg`, partial application, and currying.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [partialsRight] The arguments to append to those provided
     *  to the new function.
     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
      var isAry = bitmask & WRAP_ARY_FLAG,
          isBind = bitmask & WRAP_BIND_FLAG,
          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
          isFlip = bitmask & WRAP_FLIP_FLAG,
          Ctor = isBindKey ? undefined : createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length;

        while (index--) {
          args[index] = arguments[index];
        }
        if (isCurried) {
          var placeholder = getHolder(wrapper),
              holdersCount = countHolders(args, placeholder);
        }
        if (partials) {
          args = composeArgs(args, partials, holders, isCurried);
        }
        if (partialsRight) {
          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
        }
        length -= holdersCount;
        if (isCurried && length < arity) {
          var newHolders = replaceHolders(args, placeholder);
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
            args, newHolders, argPos, ary, arity - length
          );
        }
        var thisBinding = isBind ? thisArg : this,
            fn = isBindKey ? thisBinding[func] : func;

        length = args.length;
        if (argPos) {
          args = reorder(args, argPos);
        } else if (isFlip && length > 1) {
          args.reverse();
        }
        if (isAry && ary < length) {
          args.length = ary;
        }
        if (this && this !== root && this instanceof wrapper) {
          fn = Ctor || createCtor(fn);
        }
        return fn.apply(thisBinding, args);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.invertBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} toIteratee The function to resolve iteratees.
     * @returns {Function} Returns the new inverter function.
     */
    function createInverter(setter, toIteratee) {
      return function(object, iteratee) {
        return baseInverter(object, setter, toIteratee(iteratee), {});
      };
    }

    /**
     * Creates a function that performs a mathematical operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @param {number} [defaultValue] The value used for `undefined` arguments.
     * @returns {Function} Returns the new mathematical operation function.
     */
    function createMathOperation(operator, defaultValue) {
      return function(value, other) {
        var result;
        if (value === undefined && other === undefined) {
          return defaultValue;
        }
        if (value !== undefined) {
          result = value;
        }
        if (other !== undefined) {
          if (result === undefined) {
            return other;
          }
          if (typeof value == 'string' || typeof other == 'string') {
            value = baseToString(value);
            other = baseToString(other);
          } else {
            value = baseToNumber(value);
            other = baseToNumber(other);
          }
          result = operator(value, other);
        }
        return result;
      };
    }

    /**
     * Creates a function like `_.over`.
     *
     * @private
     * @param {Function} arrayFunc The function to iterate over iteratees.
     * @returns {Function} Returns the new over function.
     */
    function createOver(arrayFunc) {
      return flatRest(function(iteratees) {
        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
        return baseRest(function(args) {
          var thisArg = this;
          return arrayFunc(iteratees, function(iteratee) {
            return apply(iteratee, thisArg, args);
          });
        });
      });
    }

    /**
     * Creates the padding for `string` based on `length`. The `chars` string
     * is truncated if the number of characters exceeds `length`.
     *
     * @private
     * @param {number} length The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padding for `string`.
     */
    function createPadding(length, chars) {
      chars = chars === undefined ? ' ' : baseToString(chars);

      var charsLength = chars.length;
      if (charsLength < 2) {
        return charsLength ? baseRepeat(chars, length) : chars;
      }
      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
      return hasUnicode(chars)
        ? castSlice(stringToArray(result), 0, length).join('')
        : result.slice(0, length);
    }

    /**
     * Creates a function that wraps `func` to invoke it with the `this` binding
     * of `thisArg` and `partials` prepended to the arguments it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {Array} partials The arguments to prepend to those provided to
     *  the new function.
     * @returns {Function} Returns the new wrapped function.
     */
    function createPartial(func, bitmask, thisArg, partials) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var argsIndex = -1,
            argsLength = arguments.length,
            leftIndex = -1,
            leftLength = partials.length,
            args = Array(leftLength + argsLength),
            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;

        while (++leftIndex < leftLength) {
          args[leftIndex] = partials[leftIndex];
        }
        while (argsLength--) {
          args[leftIndex++] = arguments[++argsIndex];
        }
        return apply(fn, isBind ? thisArg : this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.range` or `_.rangeRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new range function.
     */
    function createRange(fromRight) {
      return function(start, end, step) {
        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
          end = step = undefined;
        }
        // Ensure the sign of `-0` is preserved.
        start = toFinite(start);
        if (end === undefined) {
          end = start;
          start = 0;
        } else {
          end = toFinite(end);
        }
        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
        return baseRange(start, end, step, fromRight);
      };
    }

    /**
     * Creates a function that performs a relational operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @returns {Function} Returns the new relational operation function.
     */
    function createRelationalOperation(operator) {
      return function(value, other) {
        if (!(typeof value == 'string' && typeof other == 'string')) {
          value = toNumber(value);
          other = toNumber(other);
        }
        return operator(value, other);
      };
    }

    /**
     * Creates a function that wraps `func` to continue currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {Function} wrapFunc The function to create the `func` wrapper.
     * @param {*} placeholder The placeholder value.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
      var isCurry = bitmask & WRAP_CURRY_FLAG,
          newHolders = isCurry ? holders : undefined,
          newHoldersRight = isCurry ? undefined : holders,
          newPartials = isCurry ? partials : undefined,
          newPartialsRight = isCurry ? undefined : partials;

      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
      }
      var newData = [
        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
        newHoldersRight, argPos, ary, arity
      ];

      var result = wrapFunc.apply(undefined, newData);
      if (isLaziable(func)) {
        setData(result, newData);
      }
      result.placeholder = placeholder;
      return setWrapToString(result, func, bitmask);
    }

    /**
     * Creates a function like `_.round`.
     *
     * @private
     * @param {string} methodName The name of the `Math` method to use when rounding.
     * @returns {Function} Returns the new round function.
     */
    function createRound(methodName) {
      var func = Math[methodName];
      return function(number, precision) {
        number = toNumber(number);
        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
        if (precision && nativeIsFinite(number)) {
          // Shift with exponential notation to avoid floating-point issues.
          // See [MDN](https://mdn.io/round#Examples) for more details.
          var pair = (toString(number) + 'e').split('e'),
              value = func(pair[0] + 'e' + (+pair[1] + precision));

          pair = (toString(value) + 'e').split('e');
          return +(pair[0] + 'e' + (+pair[1] - precision));
        }
        return func(number);
      };
    }

    /**
     * Creates a set object of `values`.
     *
     * @private
     * @param {Array} values The values to add to the set.
     * @returns {Object} Returns the new set.
     */
    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
      return new Set(values);
    };

    /**
     * Creates a `_.toPairs` or `_.toPairsIn` function.
     *
     * @private
     * @param {Function} keysFunc The function to get the keys of a given object.
     * @returns {Function} Returns the new pairs function.
     */
    function createToPairs(keysFunc) {
      return function(object) {
        var tag = getTag(object);
        if (tag == mapTag) {
          return mapToArray(object);
        }
        if (tag == setTag) {
          return setToPairs(object);
        }
        return baseToPairs(object, keysFunc(object));
      };
    }

    /**
     * Creates a function that either curries or invokes `func` with optional
     * `this` binding and partially applied arguments.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags.
     *    1 - `_.bind`
     *    2 - `_.bindKey`
     *    4 - `_.curry` or `_.curryRight` of a bound function
     *    8 - `_.curry`
     *   16 - `_.curryRight`
     *   32 - `_.partial`
     *   64 - `_.partialRight`
     *  128 - `_.rearg`
     *  256 - `_.ary`
     *  512 - `_.flip`
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to be partially applied.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
      if (!isBindKey && typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var length = partials ? partials.length : 0;
      if (!length) {
        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
        partials = holders = undefined;
      }
      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
      arity = arity === undefined ? arity : toInteger(arity);
      length -= holders ? holders.length : 0;

      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
        var partialsRight = partials,
            holdersRight = holders;

        partials = holders = undefined;
      }
      var data = isBindKey ? undefined : getData(func);

      var newData = [
        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
        argPos, ary, arity
      ];

      if (data) {
        mergeData(newData, data);
      }
      func = newData[0];
      bitmask = newData[1];
      thisArg = newData[2];
      partials = newData[3];
      holders = newData[4];
      arity = newData[9] = newData[9] === undefined
        ? (isBindKey ? 0 : func.length)
        : nativeMax(newData[9] - length, 0);

      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
      }
      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
        var result = createBind(func, bitmask, thisArg);
      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
        result = createCurry(func, bitmask, arity);
      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
        result = createPartial(func, bitmask, thisArg, partials);
      } else {
        result = createHybrid.apply(undefined, newData);
      }
      var setter = data ? baseSetData : setData;
      return setWrapToString(setter(result, newData), func, bitmask);
    }

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to assign.
     * @param {Object} object The parent object of `objValue`.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined ||
          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
        return srcValue;
      }
      return objValue;
    }

    /**
     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
     * objects into destination objects that are passed thru.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to merge.
     * @param {Object} object The parent object of `objValue`.
     * @param {Object} source The parent object of `srcValue`.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
      if (isObject(objValue) && isObject(srcValue)) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, objValue);
        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
        stack['delete'](srcValue);
      }
      return objValue;
    }

    /**
     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
     * objects.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {string} key The key of the property to inspect.
     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
     */
    function customOmitClone(value) {
      return isPlainObject(value) ? undefined : value;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for arrays with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Array} array The array to compare.
     * @param {Array} other The other array to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `array` and `other` objects.
     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
     */
    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          arrLength = array.length,
          othLength = other.length;

      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
        return false;
      }
      // Check that cyclic values are equal.
      var arrStacked = stack.get(array);
      var othStacked = stack.get(other);
      if (arrStacked && othStacked) {
        return arrStacked == other && othStacked == array;
      }
      var index = -1,
          result = true,
          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

      stack.set(array, other);
      stack.set(other, array);

      // Ignore non-index properties.
      while (++index < arrLength) {
        var arrValue = array[index],
            othValue = other[index];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, arrValue, index, other, array, stack)
            : customizer(arrValue, othValue, index, array, other, stack);
        }
        if (compared !== undefined) {
          if (compared) {
            continue;
          }
          result = false;
          break;
        }
        // Recursively compare arrays (susceptible to call stack limits).
        if (seen) {
          if (!arraySome(other, function(othValue, othIndex) {
                if (!cacheHas(seen, othIndex) &&
                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                  return seen.push(othIndex);
                }
              })) {
            result = false;
            break;
          }
        } else if (!(
              arrValue === othValue ||
                equalFunc(arrValue, othValue, bitmask, customizer, stack)
            )) {
          result = false;
          break;
        }
      }
      stack['delete'](array);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for comparing objects of
     * the same `toStringTag`.
     *
     * **Note:** This function only supports comparing values with tags of
     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {string} tag The `toStringTag` of the objects to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
      switch (tag) {
        case dataViewTag:
          if ((object.byteLength != other.byteLength) ||
              (object.byteOffset != other.byteOffset)) {
            return false;
          }
          object = object.buffer;
          other = other.buffer;

        case arrayBufferTag:
          if ((object.byteLength != other.byteLength) ||
              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
            return false;
          }
          return true;

        case boolTag:
        case dateTag:
        case numberTag:
          // Coerce booleans to `1` or `0` and dates to milliseconds.
          // Invalid dates are coerced to `NaN`.
          return eq(+object, +other);

        case errorTag:
          return object.name == other.name && object.message == other.message;

        case regexpTag:
        case stringTag:
          // Coerce regexes to strings and treat strings, primitives and objects,
          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
          // for more details.
          return object == (other + '');

        case mapTag:
          var convert = mapToArray;

        case setTag:
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
          convert || (convert = setToArray);

          if (object.size != other.size && !isPartial) {
            return false;
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(object);
          if (stacked) {
            return stacked == other;
          }
          bitmask |= COMPARE_UNORDERED_FLAG;

          // Recursively compare objects (susceptible to call stack limits).
          stack.set(object, other);
          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
          stack['delete'](object);
          return result;

        case symbolTag:
          if (symbolValueOf) {
            return symbolValueOf.call(object) == symbolValueOf.call(other);
          }
      }
      return false;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for objects with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          objProps = getAllKeys(object),
          objLength = objProps.length,
          othProps = getAllKeys(other),
          othLength = othProps.length;

      if (objLength != othLength && !isPartial) {
        return false;
      }
      var index = objLength;
      while (index--) {
        var key = objProps[index];
        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
          return false;
        }
      }
      // Check that cyclic values are equal.
      var objStacked = stack.get(object);
      var othStacked = stack.get(other);
      if (objStacked && othStacked) {
        return objStacked == other && othStacked == object;
      }
      var result = true;
      stack.set(object, other);
      stack.set(other, object);

      var skipCtor = isPartial;
      while (++index < objLength) {
        key = objProps[index];
        var objValue = object[key],
            othValue = other[key];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, objValue, key, other, object, stack)
            : customizer(objValue, othValue, key, object, other, stack);
        }
        // Recursively compare objects (susceptible to call stack limits).
        if (!(compared === undefined
              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
              : compared
            )) {
          result = false;
          break;
        }
        skipCtor || (skipCtor = key == 'constructor');
      }
      if (result && !skipCtor) {
        var objCtor = object.constructor,
            othCtor = other.constructor;

        // Non `Object` object instances with different constructors are not equal.
        if (objCtor != othCtor &&
            ('constructor' in object && 'constructor' in other) &&
            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
          result = false;
        }
      }
      stack['delete'](object);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseRest` which flattens the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    function flatRest(func) {
      return setToString(overRest(func, undefined, flatten), func + '');
    }

    /**
     * Creates an array of own enumerable property names and symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeys(object) {
      return baseGetAllKeys(object, keys, getSymbols);
    }

    /**
     * Creates an array of own and inherited enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeysIn(object) {
      return baseGetAllKeys(object, keysIn, getSymbolsIn);
    }

    /**
     * Gets metadata for `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {*} Returns the metadata for `func`.
     */
    var getData = !metaMap ? noop : function(func) {
      return metaMap.get(func);
    };

    /**
     * Gets the name of `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {string} Returns the function name.
     */
    function getFuncName(func) {
      var result = (func.name + ''),
          array = realNames[result],
          length = hasOwnProperty.call(realNames, result) ? array.length : 0;

      while (length--) {
        var data = array[length],
            otherFunc = data.func;
        if (otherFunc == null || otherFunc == func) {
          return data.name;
        }
      }
      return result;
    }

    /**
     * Gets the argument placeholder value for `func`.
     *
     * @private
     * @param {Function} func The function to inspect.
     * @returns {*} Returns the placeholder value.
     */
    function getHolder(func) {
      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
      return object.placeholder;
    }

    /**
     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
     * this function returns the custom method, otherwise it returns `baseIteratee`.
     * If arguments are provided, the chosen function is invoked with them and
     * its result is returned.
     *
     * @private
     * @param {*} [value] The value to convert to an iteratee.
     * @param {number} [arity] The arity of the created iteratee.
     * @returns {Function} Returns the chosen function or its result.
     */
    function getIteratee() {
      var result = lodash.iteratee || iteratee;
      result = result === iteratee ? baseIteratee : result;
      return arguments.length ? result(arguments[0], arguments[1]) : result;
    }

    /**
     * Gets the data for `map`.
     *
     * @private
     * @param {Object} map The map to query.
     * @param {string} key The reference key.
     * @returns {*} Returns the map data.
     */
    function getMapData(map, key) {
      var data = map.__data__;
      return isKeyable(key)
        ? data[typeof key == 'string' ? 'string' : 'hash']
        : data.map;
    }

    /**
     * Gets the property names, values, and compare flags of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the match data of `object`.
     */
    function getMatchData(object) {
      var result = keys(object),
          length = result.length;

      while (length--) {
        var key = result[length],
            value = object[key];

        result[length] = [key, value, isStrictComparable(value)];
      }
      return result;
    }

    /**
     * Gets the native function at `key` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the method to get.
     * @returns {*} Returns the function if it's native, else `undefined`.
     */
    function getNative(object, key) {
      var value = getValue(object, key);
      return baseIsNative(value) ? value : undefined;
    }

    /**
     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the raw `toStringTag`.
     */
    function getRawTag(value) {
      var isOwn = hasOwnProperty.call(value, symToStringTag),
          tag = value[symToStringTag];

      try {
        value[symToStringTag] = undefined;
        var unmasked = true;
      } catch (e) {}

      var result = nativeObjectToString.call(value);
      if (unmasked) {
        if (isOwn) {
          value[symToStringTag] = tag;
        } else {
          delete value[symToStringTag];
        }
      }
      return result;
    }

    /**
     * Creates an array of the own enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
      if (object == null) {
        return [];
      }
      object = Object(object);
      return arrayFilter(nativeGetSymbols(object), function(symbol) {
        return propertyIsEnumerable.call(object, symbol);
      });
    };

    /**
     * Creates an array of the own and inherited enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
      var result = [];
      while (object) {
        arrayPush(result, getSymbols(object));
        object = getPrototype(object);
      }
      return result;
    };

    /**
     * Gets the `toStringTag` of `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    var getTag = baseGetTag;

    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
        (Map && getTag(new Map) != mapTag) ||
        (Promise && getTag(Promise.resolve()) != promiseTag) ||
        (Set && getTag(new Set) != setTag) ||
        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
      getTag = function(value) {
        var result = baseGetTag(value),
            Ctor = result == objectTag ? value.constructor : undefined,
            ctorString = Ctor ? toSource(Ctor) : '';

        if (ctorString) {
          switch (ctorString) {
            case dataViewCtorString: return dataViewTag;
            case mapCtorString: return mapTag;
            case promiseCtorString: return promiseTag;
            case setCtorString: return setTag;
            case weakMapCtorString: return weakMapTag;
          }
        }
        return result;
      };
    }

    /**
     * Gets the view, applying any `transforms` to the `start` and `end` positions.
     *
     * @private
     * @param {number} start The start of the view.
     * @param {number} end The end of the view.
     * @param {Array} transforms The transformations to apply to the view.
     * @returns {Object} Returns an object containing the `start` and `end`
     *  positions of the view.
     */
    function getView(start, end, transforms) {
      var index = -1,
          length = transforms.length;

      while (++index < length) {
        var data = transforms[index],
            size = data.size;

        switch (data.type) {
          case 'drop':      start += size; break;
          case 'dropRight': end -= size; break;
          case 'take':      end = nativeMin(end, start + size); break;
          case 'takeRight': start = nativeMax(start, end - size); break;
        }
      }
      return { 'start': start, 'end': end };
    }

    /**
     * Extracts wrapper details from the `source` body comment.
     *
     * @private
     * @param {string} source The source to inspect.
     * @returns {Array} Returns the wrapper details.
     */
    function getWrapDetails(source) {
      var match = source.match(reWrapDetails);
      return match ? match[1].split(reSplitDetails) : [];
    }

    /**
     * Checks if `path` exists on `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @param {Function} hasFunc The function to check properties.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     */
    function hasPath(object, path, hasFunc) {
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          result = false;

      while (++index < length) {
        var key = toKey(path[index]);
        if (!(result = object != null && hasFunc(object, key))) {
          break;
        }
        object = object[key];
      }
      if (result || ++index != length) {
        return result;
      }
      length = object == null ? 0 : object.length;
      return !!length && isLength(length) && isIndex(key, length) &&
        (isArray(object) || isArguments(object));
    }

    /**
     * Initializes an array clone.
     *
     * @private
     * @param {Array} array The array to clone.
     * @returns {Array} Returns the initialized clone.
     */
    function initCloneArray(array) {
      var length = array.length,
          result = new array.constructor(length);

      // Add properties assigned by `RegExp#exec`.
      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
        result.index = array.index;
        result.input = array.input;
      }
      return result;
    }

    /**
     * Initializes an object clone.
     *
     * @private
     * @param {Object} object The object to clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneObject(object) {
      return (typeof object.constructor == 'function' && !isPrototype(object))
        ? baseCreate(getPrototype(object))
        : {};
    }

    /**
     * Initializes an object clone based on its `toStringTag`.
     *
     * **Note:** This function only supports cloning values with tags of
     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
     *
     * @private
     * @param {Object} object The object to clone.
     * @param {string} tag The `toStringTag` of the object to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneByTag(object, tag, isDeep) {
      var Ctor = object.constructor;
      switch (tag) {
        case arrayBufferTag:
          return cloneArrayBuffer(object);

        case boolTag:
        case dateTag:
          return new Ctor(+object);

        case dataViewTag:
          return cloneDataView(object, isDeep);

        case float32Tag: case float64Tag:
        case int8Tag: case int16Tag: case int32Tag:
        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
          return cloneTypedArray(object, isDeep);

        case mapTag:
          return new Ctor;

        case numberTag:
        case stringTag:
          return new Ctor(object);

        case regexpTag:
          return cloneRegExp(object);

        case setTag:
          return new Ctor;

        case symbolTag:
          return cloneSymbol(object);
      }
    }

    /**
     * Inserts wrapper `details` in a comment at the top of the `source` body.
     *
     * @private
     * @param {string} source The source to modify.
     * @returns {Array} details The details to insert.
     * @returns {string} Returns the modified source.
     */
    function insertWrapDetails(source, details) {
      var length = details.length;
      if (!length) {
        return source;
      }
      var lastIndex = length - 1;
      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
      details = details.join(length > 2 ? ', ' : ' ');
      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
    }

    /**
     * Checks if `value` is a flattenable `arguments` object or array.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
     */
    function isFlattenable(value) {
      return isArray(value) || isArguments(value) ||
        !!(spreadableSymbol && value && value[spreadableSymbol]);
    }

    /**
     * Checks if `value` is a valid array-like index.
     *
     * @private
     * @param {*} value The value to check.
     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
     */
    function isIndex(value, length) {
      var type = typeof value;
      length = length == null ? MAX_SAFE_INTEGER : length;

      return !!length &&
        (type == 'number' ||
          (type != 'symbol' && reIsUint.test(value))) &&
            (value > -1 && value % 1 == 0 && value < length);
    }

    /**
     * Checks if the given arguments are from an iteratee call.
     *
     * @private
     * @param {*} value The potential iteratee value argument.
     * @param {*} index The potential iteratee index or key argument.
     * @param {*} object The potential iteratee object argument.
     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
     *  else `false`.
     */
    function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number'
            ? (isArrayLike(object) && isIndex(index, object.length))
            : (type == 'string' && index in object)
          ) {
        return eq(object[index], value);
      }
      return false;
    }

    /**
     * Checks if `value` is a property name and not a property path.
     *
     * @private
     * @param {*} value The value to check.
     * @param {Object} [object] The object to query keys on.
     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
     */
    function isKey(value, object) {
      if (isArray(value)) {
        return false;
      }
      var type = typeof value;
      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
          value == null || isSymbol(value)) {
        return true;
      }
      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
        (object != null && value in Object(object));
    }

    /**
     * Checks if `value` is suitable for use as unique object key.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
     */
    function isKeyable(value) {
      var type = typeof value;
      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
        ? (value !== '__proto__')
        : (value === null);
    }

    /**
     * Checks if `func` has a lazy counterpart.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
     *  else `false`.
     */
    function isLaziable(func) {
      var funcName = getFuncName(func),
          other = lodash[funcName];

      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
        return false;
      }
      if (func === other) {
        return true;
      }
      var data = getData(other);
      return !!data && func === data[0];
    }

    /**
     * Checks if `func` has its source masked.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
     */
    function isMasked(func) {
      return !!maskSrcKey && (maskSrcKey in func);
    }

    /**
     * Checks if `func` is capable of being masked.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
     */
    var isMaskable = coreJsData ? isFunction : stubFalse;

    /**
     * Checks if `value` is likely a prototype object.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
     */
    function isPrototype(value) {
      var Ctor = value && value.constructor,
          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

      return value === proto;
    }

    /**
     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` if suitable for strict
     *  equality comparisons, else `false`.
     */
    function isStrictComparable(value) {
      return value === value && !isObject(value);
    }

    /**
     * A specialized version of `matchesProperty` for source values suitable
     * for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {string} key The key of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function matchesStrictComparable(key, srcValue) {
      return function(object) {
        if (object == null) {
          return false;
        }
        return object[key] === srcValue &&
          (srcValue !== undefined || (key in Object(object)));
      };
    }

    /**
     * A specialized version of `_.memoize` which clears the memoized function's
     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
     *
     * @private
     * @param {Function} func The function to have its output memoized.
     * @returns {Function} Returns the new memoized function.
     */
    function memoizeCapped(func) {
      var result = memoize(func, function(key) {
        if (cache.size === MAX_MEMOIZE_SIZE) {
          cache.clear();
        }
        return key;
      });

      var cache = result.cache;
      return result;
    }

    /**
     * Merges the function metadata of `source` into `data`.
     *
     * Merging metadata reduces the number of wrappers used to invoke a function.
     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
     * may be applied regardless of execution order. Methods like `_.ary` and
     * `_.rearg` modify function arguments, making the order in which they are
     * executed important, preventing the merging of metadata. However, we make
     * an exception for a safe combined case where curried functions have `_.ary`
     * and or `_.rearg` applied.
     *
     * @private
     * @param {Array} data The destination metadata.
     * @param {Array} source The source metadata.
     * @returns {Array} Returns `data`.
     */
    function mergeData(data, source) {
      var bitmask = data[1],
          srcBitmask = source[1],
          newBitmask = bitmask | srcBitmask,
          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

      var isCombo =
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

      // Exit early if metadata can't be merged.
      if (!(isCommon || isCombo)) {
        return data;
      }
      // Use source `thisArg` if available.
      if (srcBitmask & WRAP_BIND_FLAG) {
        data[2] = source[2];
        // Set when currying a bound function.
        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
      }
      // Compose partial arguments.
      var value = source[3];
      if (value) {
        var partials = data[3];
        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
      }
      // Compose partial right arguments.
      value = source[5];
      if (value) {
        partials = data[5];
        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
      }
      // Use source `argPos` if available.
      value = source[7];
      if (value) {
        data[7] = value;
      }
      // Use source `ary` if it's smaller.
      if (srcBitmask & WRAP_ARY_FLAG) {
        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
      }
      // Use source `arity` if one is not provided.
      if (data[9] == null) {
        data[9] = source[9];
      }
      // Use source `func` and merge bitmasks.
      data[0] = source[0];
      data[1] = newBitmask;

      return data;
    }

    /**
     * This function is like
     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * except that it includes inherited enumerable properties.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function nativeKeysIn(object) {
      var result = [];
      if (object != null) {
        for (var key in Object(object)) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * Converts `value` to a string using `Object.prototype.toString`.
     *
     * @private
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     */
    function objectToString(value) {
      return nativeObjectToString.call(value);
    }

    /**
     * A specialized version of `baseRest` which transforms the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @param {Function} transform The rest array transform.
     * @returns {Function} Returns the new function.
     */
    function overRest(func, start, transform) {
      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
      return function() {
        var args = arguments,
            index = -1,
            length = nativeMax(args.length - start, 0),
            array = Array(length);

        while (++index < length) {
          array[index] = args[start + index];
        }
        index = -1;
        var otherArgs = Array(start + 1);
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return apply(func, this, otherArgs);
      };
    }

    /**
     * Gets the parent value at `path` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array} path The path to get the parent value of.
     * @returns {*} Returns the parent value.
     */
    function parent(object, path) {
      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
    }

    /**
     * Reorder `array` according to the specified indexes where the element at
     * the first index is assigned as the first element, the element at
     * the second index is assigned as the second element, and so on.
     *
     * @private
     * @param {Array} array The array to reorder.
     * @param {Array} indexes The arranged array indexes.
     * @returns {Array} Returns `array`.
     */
    function reorder(array, indexes) {
      var arrLength = array.length,
          length = nativeMin(indexes.length, arrLength),
          oldArray = copyArray(array);

      while (length--) {
        var index = indexes[length];
        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
      }
      return array;
    }

    /**
     * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the property to get.
     * @returns {*} Returns the property value.
     */
    function safeGet(object, key) {
      if (key === 'constructor' && typeof object[key] === 'function') {
        return;
      }

      if (key == '__proto__') {
        return;
      }

      return object[key];
    }

    /**
     * Sets metadata for `func`.
     *
     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
     * period of time, it will trip its breaker and transition to an identity
     * function to avoid garbage collection pauses in V8. See
     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
     * for more details.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var setData = shortOut(baseSetData);

    /**
     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    var setTimeout = ctxSetTimeout || function(func, wait) {
      return root.setTimeout(func, wait);
    };

    /**
     * Sets the `toString` method of `func` to return `string`.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var setToString = shortOut(baseSetToString);

    /**
     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
     * with wrapper details in a comment at the top of the source body.
     *
     * @private
     * @param {Function} wrapper The function to modify.
     * @param {Function} reference The reference function.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Function} Returns `wrapper`.
     */
    function setWrapToString(wrapper, reference, bitmask) {
      var source = (reference + '');
      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
    }

    /**
     * Creates a function that'll short out and invoke `identity` instead
     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
     * milliseconds.
     *
     * @private
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new shortable function.
     */
    function shortOut(func) {
      var count = 0,
          lastCalled = 0;

      return function() {
        var stamp = nativeNow(),
            remaining = HOT_SPAN - (stamp - lastCalled);

        lastCalled = stamp;
        if (remaining > 0) {
          if (++count >= HOT_COUNT) {
            return arguments[0];
          }
        } else {
          count = 0;
        }
        return func.apply(undefined, arguments);
      };
    }

    /**
     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @param {number} [size=array.length] The size of `array`.
     * @returns {Array} Returns `array`.
     */
    function shuffleSelf(array, size) {
      var index = -1,
          length = array.length,
          lastIndex = length - 1;

      size = size === undefined ? length : size;
      while (++index < size) {
        var rand = baseRandom(index, lastIndex),
            value = array[rand];

        array[rand] = array[index];
        array[index] = value;
      }
      array.length = size;
      return array;
    }

    /**
     * Converts `string` to a property path array.
     *
     * @private
     * @param {string} string The string to convert.
     * @returns {Array} Returns the property path array.
     */
    var stringToPath = memoizeCapped(function(string) {
      var result = [];
      if (string.charCodeAt(0) === 46 /* . */) {
        result.push('');
      }
      string.replace(rePropName, function(match, number, quote, subString) {
        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
      });
      return result;
    });

    /**
     * Converts `value` to a string key if it's not a string or symbol.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {string|symbol} Returns the key.
     */
    function toKey(value) {
      if (typeof value == 'string' || isSymbol(value)) {
        return value;
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * Converts `func` to its source code.
     *
     * @private
     * @param {Function} func The function to convert.
     * @returns {string} Returns the source code.
     */
    function toSource(func) {
      if (func != null) {
        try {
          return funcToString.call(func);
        } catch (e) {}
        try {
          return (func + '');
        } catch (e) {}
      }
      return '';
    }

    /**
     * Updates wrapper `details` based on `bitmask` flags.
     *
     * @private
     * @returns {Array} details The details to modify.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Array} Returns `details`.
     */
    function updateWrapDetails(details, bitmask) {
      arrayEach(wrapFlags, function(pair) {
        var value = '_.' + pair[0];
        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
          details.push(value);
        }
      });
      return details.sort();
    }

    /**
     * Creates a clone of `wrapper`.
     *
     * @private
     * @param {Object} wrapper The wrapper to clone.
     * @returns {Object} Returns the cloned wrapper.
     */
    function wrapperClone(wrapper) {
      if (wrapper instanceof LazyWrapper) {
        return wrapper.clone();
      }
      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
      result.__actions__ = copyArray(wrapper.__actions__);
      result.__index__  = wrapper.__index__;
      result.__values__ = wrapper.__values__;
      return result;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of elements split into groups the length of `size`.
     * If `array` can't be split evenly, the final chunk will be the remaining
     * elements.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to process.
     * @param {number} [size=1] The length of each chunk
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the new array of chunks.
     * @example
     *
     * _.chunk(['a', 'b', 'c', 'd'], 2);
     * // => [['a', 'b'], ['c', 'd']]
     *
     * _.chunk(['a', 'b', 'c', 'd'], 3);
     * // => [['a', 'b', 'c'], ['d']]
     */
    function chunk(array, size, guard) {
      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
        size = 1;
      } else {
        size = nativeMax(toInteger(size), 0);
      }
      var length = array == null ? 0 : array.length;
      if (!length || size < 1) {
        return [];
      }
      var index = 0,
          resIndex = 0,
          result = Array(nativeCeil(length / size));

      while (index < length) {
        result[resIndex++] = baseSlice(array, index, (index += size));
      }
      return result;
    }

    /**
     * Creates an array with all falsey values removed. The values `false`, `null`,
     * `0`, `""`, `undefined`, and `NaN` are falsey.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to compact.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.compact([0, 1, false, 2, '', 3]);
     * // => [1, 2, 3]
     */
    function compact(array) {
      var index = -1,
          length = array == null ? 0 : array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index];
        if (value) {
          result[resIndex++] = value;
        }
      }
      return result;
    }

    /**
     * Creates a new array concatenating `array` with any additional arrays
     * and/or values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to concatenate.
     * @param {...*} [values] The values to concatenate.
     * @returns {Array} Returns the new concatenated array.
     * @example
     *
     * var array = [1];
     * var other = _.concat(array, 2, [3], [[4]]);
     *
     * console.log(other);
     * // => [1, 2, 3, [4]]
     *
     * console.log(array);
     * // => [1]
     */
    function concat() {
      var length = arguments.length;
      if (!length) {
        return [];
      }
      var args = Array(length - 1),
          array = arguments[0],
          index = length;

      while (index--) {
        args[index - 1] = arguments[index];
      }
      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
    }

    /**
     * Creates an array of `array` values not included in the other given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * **Note:** Unlike `_.pullAll`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.without, _.xor
     * @example
     *
     * _.difference([2, 1], [2, 3]);
     * // => [1]
     */
    var difference = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `iteratee` which
     * is invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var differenceBy = baseRest(function(array, values) {
      var iteratee = last(values);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `comparator`
     * which is invoked to compare elements of `array` to `values`. The order and
     * references of result values are determined by the first array. The comparator
     * is invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     *
     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }]
     */
    var differenceWith = baseRest(function(array, values) {
      var comparator = last(values);
      if (isArrayLikeObject(comparator)) {
        comparator = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
        : [];
    });

    /**
     * Creates a slice of `array` with `n` elements dropped from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.drop([1, 2, 3]);
     * // => [2, 3]
     *
     * _.drop([1, 2, 3], 2);
     * // => [3]
     *
     * _.drop([1, 2, 3], 5);
     * // => []
     *
     * _.drop([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function drop(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with `n` elements dropped from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.dropRight([1, 2, 3]);
     * // => [1, 2]
     *
     * _.dropRight([1, 2, 3], 2);
     * // => [1]
     *
     * _.dropRight([1, 2, 3], 5);
     * // => []
     *
     * _.dropRight([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function dropRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the end.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.dropRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropRightWhile(users, ['active', false]);
     * // => objects for ['barney']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropRightWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true, true)
        : [];
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the beginning.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.dropWhile(users, function(o) { return !o.active; });
     * // => objects for ['pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropWhile(users, ['active', false]);
     * // => objects for ['pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true)
        : [];
    }

    /**
     * Fills elements of `array` with `value` from `start` up to, but not
     * including, `end`.
     *
     * **Note:** This method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Array
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.fill(array, 'a');
     * console.log(array);
     * // => ['a', 'a', 'a']
     *
     * _.fill(Array(3), 2);
     * // => [2, 2, 2]
     *
     * _.fill([4, 6, 8, 10], '*', 1, 3);
     * // => [4, '*', '*', 10]
     */
    function fill(array, value, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
        start = 0;
        end = length;
      }
      return baseFill(array, value, start, end);
    }

    /**
     * This method is like `_.find` except that it returns the index of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.findIndex(users, function(o) { return o.user == 'barney'; });
     * // => 0
     *
     * // The `_.matches` iteratee shorthand.
     * _.findIndex(users, { 'user': 'fred', 'active': false });
     * // => 1
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findIndex(users, ['active', false]);
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.findIndex(users, 'active');
     * // => 2
     */
    function findIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index);
    }

    /**
     * This method is like `_.findIndex` except that it iterates over elements
     * of `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
     * // => 2
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
     * // => 0
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastIndex(users, ['active', false]);
     * // => 2
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastIndex(users, 'active');
     * // => 0
     */
    function findLastIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length - 1;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = fromIndex < 0
          ? nativeMax(length + index, 0)
          : nativeMin(index, length - 1);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
    }

    /**
     * Flattens `array` a single level deep.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flatten([1, [2, [3, [4]], 5]]);
     * // => [1, 2, [3, [4]], 5]
     */
    function flatten(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, 1) : [];
    }

    /**
     * Recursively flattens `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flattenDeep([1, [2, [3, [4]], 5]]);
     * // => [1, 2, 3, 4, 5]
     */
    function flattenDeep(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, INFINITY) : [];
    }

    /**
     * Recursively flatten `array` up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * var array = [1, [2, [3, [4]], 5]];
     *
     * _.flattenDepth(array, 1);
     * // => [1, 2, [3, [4]], 5]
     *
     * _.flattenDepth(array, 2);
     * // => [1, 2, 3, [4], 5]
     */
    function flattenDepth(array, depth) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(array, depth);
    }

    /**
     * The inverse of `_.toPairs`; this method returns an object composed
     * from key-value `pairs`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} pairs The key-value pairs.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.fromPairs([['a', 1], ['b', 2]]);
     * // => { 'a': 1, 'b': 2 }
     */
    function fromPairs(pairs) {
      var index = -1,
          length = pairs == null ? 0 : pairs.length,
          result = {};

      while (++index < length) {
        var pair = pairs[index];
        result[pair[0]] = pair[1];
      }
      return result;
    }

    /**
     * Gets the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias first
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the first element of `array`.
     * @example
     *
     * _.head([1, 2, 3]);
     * // => 1
     *
     * _.head([]);
     * // => undefined
     */
    function head(array) {
      return (array && array.length) ? array[0] : undefined;
    }

    /**
     * Gets the index at which the first occurrence of `value` is found in `array`
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. If `fromIndex` is negative, it's used as the
     * offset from the end of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.indexOf([1, 2, 1, 2], 2);
     * // => 1
     *
     * // Search from the `fromIndex`.
     * _.indexOf([1, 2, 1, 2], 2, 2);
     * // => 3
     */
    function indexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseIndexOf(array, value, index);
    }

    /**
     * Gets all but the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.initial([1, 2, 3]);
     * // => [1, 2]
     */
    function initial(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }

    /**
     * Creates an array of unique values that are included in all given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersection([2, 1], [2, 3]);
     * // => [2]
     */
    var intersection = baseRest(function(arrays) {
      var mapped = arrayMap(arrays, castArrayLikeObject);
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped)
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `iteratee`
     * which is invoked for each element of each `arrays` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [2.1]
     *
     * // The `_.property` iteratee shorthand.
     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }]
     */
    var intersectionBy = baseRest(function(arrays) {
      var iteratee = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      if (iteratee === last(mapped)) {
        iteratee = undefined;
      } else {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `comparator`
     * which is invoked to compare elements of `arrays`. The order and references
     * of result values are determined by the first array. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.intersectionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }]
     */
    var intersectionWith = baseRest(function(arrays) {
      var comparator = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      comparator = typeof comparator == 'function' ? comparator : undefined;
      if (comparator) {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, undefined, comparator)
        : [];
    });

    /**
     * Converts all elements in `array` into a string separated by `separator`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to convert.
     * @param {string} [separator=','] The element separator.
     * @returns {string} Returns the joined string.
     * @example
     *
     * _.join(['a', 'b', 'c'], '~');
     * // => 'a~b~c'
     */
    function join(array, separator) {
      return array == null ? '' : nativeJoin.call(array, separator);
    }

    /**
     * Gets the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the last element of `array`.
     * @example
     *
     * _.last([1, 2, 3]);
     * // => 3
     */
    function last(array) {
      var length = array == null ? 0 : array.length;
      return length ? array[length - 1] : undefined;
    }

    /**
     * This method is like `_.indexOf` except that it iterates over elements of
     * `array` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.lastIndexOf([1, 2, 1, 2], 2);
     * // => 3
     *
     * // Search from the `fromIndex`.
     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
     * // => 1
     */
    function lastIndexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
      }
      return value === value
        ? strictLastIndexOf(array, value, index)
        : baseFindIndex(array, baseIsNaN, index, true);
    }

    /**
     * Gets the element at index `n` of `array`. If `n` is negative, the nth
     * element from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.11.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=0] The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     *
     * _.nth(array, 1);
     * // => 'b'
     *
     * _.nth(array, -2);
     * // => 'c';
     */
    function nth(array, n) {
      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
    }

    /**
     * Removes all given values from `array` using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
     * to remove elements from an array by predicate.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...*} [values] The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pull(array, 'a', 'c');
     * console.log(array);
     * // => ['b', 'b']
     */
    var pull = baseRest(pullAll);

    /**
     * This method is like `_.pull` except that it accepts an array of values to remove.
     *
     * **Note:** Unlike `_.difference`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pullAll(array, ['a', 'c']);
     * console.log(array);
     * // => ['b', 'b']
     */
    function pullAll(array, values) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values)
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `iteratee` which is
     * invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The iteratee is invoked with one argument: (value).
     *
     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
     *
     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
     * console.log(array);
     * // => [{ 'x': 2 }]
     */
    function pullAllBy(array, values, iteratee) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, getIteratee(iteratee, 2))
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `comparator` which
     * is invoked to compare elements of `array` to `values`. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
     *
     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
     * console.log(array);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
     */
    function pullAllWith(array, values, comparator) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, undefined, comparator)
        : array;
    }

    /**
     * Removes elements from `array` corresponding to `indexes` and returns an
     * array of removed elements.
     *
     * **Note:** Unlike `_.at`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     * var pulled = _.pullAt(array, [1, 3]);
     *
     * console.log(array);
     * // => ['a', 'c']
     *
     * console.log(pulled);
     * // => ['b', 'd']
     */
    var pullAt = flatRest(function(array, indexes) {
      var length = array == null ? 0 : array.length,
          result = baseAt(array, indexes);

      basePullAt(array, arrayMap(indexes, function(index) {
        return isIndex(index, length) ? +index : index;
      }).sort(compareAscending));

      return result;
    });

    /**
     * Removes all elements from `array` that `predicate` returns truthy for
     * and returns an array of the removed elements. The predicate is invoked
     * with three arguments: (value, index, array).
     *
     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
     * to pull elements from an array by value.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = [1, 2, 3, 4];
     * var evens = _.remove(array, function(n) {
     *   return n % 2 == 0;
     * });
     *
     * console.log(array);
     * // => [1, 3]
     *
     * console.log(evens);
     * // => [2, 4]
     */
    function remove(array, predicate) {
      var result = [];
      if (!(array && array.length)) {
        return result;
      }
      var index = -1,
          indexes = [],
          length = array.length;

      predicate = getIteratee(predicate, 3);
      while (++index < length) {
        var value = array[index];
        if (predicate(value, index, array)) {
          result.push(value);
          indexes.push(index);
        }
      }
      basePullAt(array, indexes);
      return result;
    }

    /**
     * Reverses `array` so that the first element becomes the last, the second
     * element becomes the second to last, and so on.
     *
     * **Note:** This method mutates `array` and is based on
     * [`Array#reverse`](https://mdn.io/Array/reverse).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.reverse(array);
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function reverse(array) {
      return array == null ? array : nativeReverse.call(array);
    }

    /**
     * Creates a slice of `array` from `start` up to, but not including, `end`.
     *
     * **Note:** This method is used instead of
     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
     * returned.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function slice(array, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      else {
        start = start == null ? 0 : toInteger(start);
        end = end === undefined ? length : toInteger(end);
      }
      return baseSlice(array, start, end);
    }

    /**
     * Uses a binary search to determine the lowest index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedIndex([30, 50], 40);
     * // => 1
     */
    function sortedIndex(array, value) {
      return baseSortedIndex(array, value);
    }

    /**
     * This method is like `_.sortedIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
     * // => 0
     */
    function sortedIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
    }

    /**
     * This method is like `_.indexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
     * // => 1
     */
    function sortedIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value);
        if (index < length && eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.sortedIndex` except that it returns the highest
     * index at which `value` should be inserted into `array` in order to
     * maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
     * // => 4
     */
    function sortedLastIndex(array, value) {
      return baseSortedIndex(array, value, true);
    }

    /**
     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 1
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
     * // => 1
     */
    function sortedLastIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
    }

    /**
     * This method is like `_.lastIndexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     * // => 3
     */
    function sortedLastIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value, true) - 1;
        if (eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.uniq` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniq([1, 1, 2]);
     * // => [1, 2]
     */
    function sortedUniq(array) {
      return (array && array.length)
        ? baseSortedUniq(array)
        : [];
    }

    /**
     * This method is like `_.uniqBy` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
     * // => [1.1, 2.3]
     */
    function sortedUniqBy(array, iteratee) {
      return (array && array.length)
        ? baseSortedUniq(array, getIteratee(iteratee, 2))
        : [];
    }

    /**
     * Gets all but the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.tail([1, 2, 3]);
     * // => [2, 3]
     */
    function tail(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 1, length) : [];
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.take([1, 2, 3]);
     * // => [1]
     *
     * _.take([1, 2, 3], 2);
     * // => [1, 2]
     *
     * _.take([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.take([1, 2, 3], 0);
     * // => []
     */
    function take(array, n, guard) {
      if (!(array && array.length)) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.takeRight([1, 2, 3]);
     * // => [3]
     *
     * _.takeRight([1, 2, 3], 2);
     * // => [2, 3]
     *
     * _.takeRight([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.takeRight([1, 2, 3], 0);
     * // => []
     */
    function takeRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with elements taken from the end. Elements are
     * taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.takeRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeRightWhile(users, ['active', false]);
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeRightWhile(users, 'active');
     * // => []
     */
    function takeRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), false, true)
        : [];
    }

    /**
     * Creates a slice of `array` with elements taken from the beginning. Elements
     * are taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.takeWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeWhile(users, ['active', false]);
     * // => objects for ['barney', 'fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeWhile(users, 'active');
     * // => []
     */
    function takeWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3))
        : [];
    }

    /**
     * Creates an array of unique values, in order, from all given arrays using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.union([2], [1, 2]);
     * // => [2, 1]
     */
    var union = baseRest(function(arrays) {
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
    });

    /**
     * This method is like `_.union` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which uniqueness is computed. Result values are chosen from the first
     * array in which the value occurs. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    var unionBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.union` except that it accepts `comparator` which
     * is invoked to compare elements of `arrays`. Result values are chosen from
     * the first array in which the value occurs. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.unionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var unionWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
    });

    /**
     * Creates a duplicate-free version of an array, using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons, in which only the first occurrence of each element
     * is kept. The order of result values is determined by the order they occur
     * in the array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniq([2, 1, 2]);
     * // => [2, 1]
     */
    function uniq(array) {
      return (array && array.length) ? baseUniq(array) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * uniqueness is computed. The order of result values is determined by the
     * order they occur in the array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    function uniqBy(array, iteratee) {
      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `comparator` which
     * is invoked to compare elements of `array`. The order of result values is
     * determined by the order they occur in the array.The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.uniqWith(objects, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
     */
    function uniqWith(array, comparator) {
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
    }

    /**
     * This method is like `_.zip` except that it accepts an array of grouped
     * elements and creates an array regrouping the elements to their pre-zip
     * configuration.
     *
     * @static
     * @memberOf _
     * @since 1.2.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     *
     * _.unzip(zipped);
     * // => [['a', 'b'], [1, 2], [true, false]]
     */
    function unzip(array) {
      if (!(array && array.length)) {
        return [];
      }
      var length = 0;
      array = arrayFilter(array, function(group) {
        if (isArrayLikeObject(group)) {
          length = nativeMax(group.length, length);
          return true;
        }
      });
      return baseTimes(length, function(index) {
        return arrayMap(array, baseProperty(index));
      });
    }

    /**
     * This method is like `_.unzip` except that it accepts `iteratee` to specify
     * how regrouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  regrouped values.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
     * // => [[1, 10, 100], [2, 20, 200]]
     *
     * _.unzipWith(zipped, _.add);
     * // => [3, 30, 300]
     */
    function unzipWith(array, iteratee) {
      if (!(array && array.length)) {
        return [];
      }
      var result = unzip(array);
      if (iteratee == null) {
        return result;
      }
      return arrayMap(result, function(group) {
        return apply(iteratee, undefined, group);
      });
    }

    /**
     * Creates an array excluding all given values using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.pull`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...*} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.xor
     * @example
     *
     * _.without([2, 1, 2, 3], 1, 2);
     * // => [3]
     */
    var without = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, values)
        : [];
    });

    /**
     * Creates an array of unique values that is the
     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
     * of the given arrays. The order of result values is determined by the order
     * they occur in the arrays.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.without
     * @example
     *
     * _.xor([2, 1], [2, 3]);
     * // => [1, 3]
     */
    var xor = baseRest(function(arrays) {
      return baseXor(arrayFilter(arrays, isArrayLikeObject));
    });

    /**
     * This method is like `_.xor` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which by which they're compared. The order of result values is determined
     * by the order they occur in the arrays. The iteratee is invoked with one
     * argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2, 3.4]
     *
     * // The `_.property` iteratee shorthand.
     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var xorBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.xor` except that it accepts `comparator` which is
     * invoked to compare elements of `arrays`. The order of result values is
     * determined by the order they occur in the arrays. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.xorWith(objects, others, _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var xorWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
    });

    /**
     * Creates an array of grouped elements, the first of which contains the
     * first elements of the given arrays, the second of which contains the
     * second elements of the given arrays, and so on.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     */
    var zip = baseRest(unzip);

    /**
     * This method is like `_.fromPairs` except that it accepts two arrays,
     * one of property identifiers and one of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 0.4.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObject(['a', 'b'], [1, 2]);
     * // => { 'a': 1, 'b': 2 }
     */
    function zipObject(props, values) {
      return baseZipObject(props || [], values || [], assignValue);
    }

    /**
     * This method is like `_.zipObject` except that it supports property paths.
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
     */
    function zipObjectDeep(props, values) {
      return baseZipObject(props || [], values || [], baseSet);
    }

    /**
     * This method is like `_.zip` except that it accepts `iteratee` to specify
     * how grouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  grouped values.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
     *   return a + b + c;
     * });
     * // => [111, 222]
     */
    var zipWith = baseRest(function(arrays) {
      var length = arrays.length,
          iteratee = length > 1 ? arrays[length - 1] : undefined;

      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
      return unzipWith(arrays, iteratee);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
     * chain sequences enabled. The result of such sequences must be unwrapped
     * with `_#value`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Seq
     * @param {*} value The value to wrap.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36 },
     *   { 'user': 'fred',    'age': 40 },
     *   { 'user': 'pebbles', 'age': 1 }
     * ];
     *
     * var youngest = _
     *   .chain(users)
     *   .sortBy('age')
     *   .map(function(o) {
     *     return o.user + ' is ' + o.age;
     *   })
     *   .head()
     *   .value();
     * // => 'pebbles is 1'
     */
    function chain(value) {
      var result = lodash(value);
      result.__chain__ = true;
      return result;
    }

    /**
     * This method invokes `interceptor` and returns `value`. The interceptor
     * is invoked with one argument; (value). The purpose of this method is to
     * "tap into" a method chain sequence in order to modify intermediate results.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns `value`.
     * @example
     *
     * _([1, 2, 3])
     *  .tap(function(array) {
     *    // Mutate input array.
     *    array.pop();
     *  })
     *  .reverse()
     *  .value();
     * // => [2, 1]
     */
    function tap(value, interceptor) {
      interceptor(value);
      return value;
    }

    /**
     * This method is like `_.tap` except that it returns the result of `interceptor`.
     * The purpose of this method is to "pass thru" values replacing intermediate
     * results in a method chain sequence.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns the result of `interceptor`.
     * @example
     *
     * _('  abc  ')
     *  .chain()
     *  .trim()
     *  .thru(function(value) {
     *    return [value];
     *  })
     *  .value();
     * // => ['abc']
     */
    function thru(value, interceptor) {
      return interceptor(value);
    }

    /**
     * This method is the wrapper version of `_.at`.
     *
     * @name at
     * @memberOf _
     * @since 1.0.0
     * @category Seq
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _(object).at(['a[0].b.c', 'a[1]']).value();
     * // => [3, 4]
     */
    var wrapperAt = flatRest(function(paths) {
      var length = paths.length,
          start = length ? paths[0] : 0,
          value = this.__wrapped__,
          interceptor = function(object) { return baseAt(object, paths); };

      if (length > 1 || this.__actions__.length ||
          !(value instanceof LazyWrapper) || !isIndex(start)) {
        return this.thru(interceptor);
      }
      value = value.slice(start, +start + (length ? 1 : 0));
      value.__actions__.push({
        'func': thru,
        'args': [interceptor],
        'thisArg': undefined
      });
      return new LodashWrapper(value, this.__chain__).thru(function(array) {
        if (length && !array.length) {
          array.push(undefined);
        }
        return array;
      });
    });

    /**
     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
     *
     * @name chain
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 40 }
     * ];
     *
     * // A sequence without explicit chaining.
     * _(users).head();
     * // => { 'user': 'barney', 'age': 36 }
     *
     * // A sequence with explicit chaining.
     * _(users)
     *   .chain()
     *   .head()
     *   .pick('user')
     *   .value();
     * // => { 'user': 'barney' }
     */
    function wrapperChain() {
      return chain(this);
    }

    /**
     * Executes the chain sequence and returns the wrapped result.
     *
     * @name commit
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2];
     * var wrapped = _(array).push(3);
     *
     * console.log(array);
     * // => [1, 2]
     *
     * wrapped = wrapped.commit();
     * console.log(array);
     * // => [1, 2, 3]
     *
     * wrapped.last();
     * // => 3
     *
     * console.log(array);
     * // => [1, 2, 3]
     */
    function wrapperCommit() {
      return new LodashWrapper(this.value(), this.__chain__);
    }

    /**
     * Gets the next value on a wrapped object following the
     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
     *
     * @name next
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the next iterator value.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 1 }
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 2 }
     *
     * wrapped.next();
     * // => { 'done': true, 'value': undefined }
     */
    function wrapperNext() {
      if (this.__values__ === undefined) {
        this.__values__ = toArray(this.value());
      }
      var done = this.__index__ >= this.__values__.length,
          value = done ? undefined : this.__values__[this.__index__++];

      return { 'done': done, 'value': value };
    }

    /**
     * Enables the wrapper to be iterable.
     *
     * @name Symbol.iterator
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the wrapper object.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped[Symbol.iterator]() === wrapped;
     * // => true
     *
     * Array.from(wrapped);
     * // => [1, 2]
     */
    function wrapperToIterator() {
      return this;
    }

    /**
     * Creates a clone of the chain sequence planting `value` as the wrapped value.
     *
     * @name plant
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @param {*} value The value to plant.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2]).map(square);
     * var other = wrapped.plant([3, 4]);
     *
     * other.value();
     * // => [9, 16]
     *
     * wrapped.value();
     * // => [1, 4]
     */
    function wrapperPlant(value) {
      var result,
          parent = this;

      while (parent instanceof baseLodash) {
        var clone = wrapperClone(parent);
        clone.__index__ = 0;
        clone.__values__ = undefined;
        if (result) {
          previous.__wrapped__ = clone;
        } else {
          result = clone;
        }
        var previous = clone;
        parent = parent.__wrapped__;
      }
      previous.__wrapped__ = value;
      return result;
    }

    /**
     * This method is the wrapper version of `_.reverse`.
     *
     * **Note:** This method mutates the wrapped array.
     *
     * @name reverse
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _(array).reverse().value()
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function wrapperReverse() {
      var value = this.__wrapped__;
      if (value instanceof LazyWrapper) {
        var wrapped = value;
        if (this.__actions__.length) {
          wrapped = new LazyWrapper(this);
        }
        wrapped = wrapped.reverse();
        wrapped.__actions__.push({
          'func': thru,
          'args': [reverse],
          'thisArg': undefined
        });
        return new LodashWrapper(wrapped, this.__chain__);
      }
      return this.thru(reverse);
    }

    /**
     * Executes the chain sequence to resolve the unwrapped value.
     *
     * @name value
     * @memberOf _
     * @since 0.1.0
     * @alias toJSON, valueOf
     * @category Seq
     * @returns {*} Returns the resolved unwrapped value.
     * @example
     *
     * _([1, 2, 3]).value();
     * // => [1, 2, 3]
     */
    function wrapperValue() {
      return baseWrapperValue(this.__wrapped__, this.__actions__);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the number of times the key was returned by `iteratee`. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.countBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': 1, '6': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.countBy(['one', 'two', 'three'], 'length');
     * // => { '3': 2, '5': 1 }
     */
    var countBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        ++result[key];
      } else {
        baseAssignValue(result, key, 1);
      }
    });

    /**
     * Checks if `predicate` returns truthy for **all** elements of `collection`.
     * Iteration is stopped once `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * **Note:** This method returns `true` for
     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
     * elements of empty collections.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`.
     * @example
     *
     * _.every([true, 1, null, 'yes'], Boolean);
     * // => false
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.every(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.every(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.every(users, 'active');
     * // => false
     */
    function every(collection, predicate, guard) {
      var func = isArray(collection) ? arrayEvery : baseEvery;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning an array of all elements
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * **Note:** Unlike `_.remove`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.reject
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * _.filter(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, { 'age': 36, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.filter(users, 'active');
     * // => objects for ['barney']
     *
     * // Combining several predicates using `_.overEvery` or `_.overSome`.
     * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
     * // => objects for ['fred', 'barney']
     */
    function filter(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning the first element
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': true },
     *   { 'user': 'fred',    'age': 40, 'active': false },
     *   { 'user': 'pebbles', 'age': 1,  'active': true }
     * ];
     *
     * _.find(users, function(o) { return o.age < 40; });
     * // => object for 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.find(users, { 'age': 1, 'active': true });
     * // => object for 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.find(users, ['active', false]);
     * // => object for 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.find(users, 'active');
     * // => object for 'barney'
     */
    var find = createFind(findIndex);

    /**
     * This method is like `_.find` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=collection.length-1] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * _.findLast([1, 2, 3, 4], function(n) {
     *   return n % 2 == 1;
     * });
     * // => 3
     */
    var findLast = createFind(findLastIndex);

    /**
     * Creates a flattened array of values by running each element in `collection`
     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
     * with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [n, n];
     * }
     *
     * _.flatMap([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMap(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), 1);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDeep([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMapDeep(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), INFINITY);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDepth([1, 2], duplicate, 2);
     * // => [[1, 1], [2, 2]]
     */
    function flatMapDepth(collection, iteratee, depth) {
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(map(collection, iteratee), depth);
    }

    /**
     * Iterates over elements of `collection` and invokes `iteratee` for each element.
     * The iteratee is invoked with three arguments: (value, index|key, collection).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * **Note:** As with other "Collections" methods, objects with a "length"
     * property are iterated like arrays. To avoid this behavior use `_.forIn`
     * or `_.forOwn` for object iteration.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias each
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEachRight
     * @example
     *
     * _.forEach([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `1` then `2`.
     *
     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forEach(collection, iteratee) {
      var func = isArray(collection) ? arrayEach : baseEach;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forEach` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @alias eachRight
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEach
     * @example
     *
     * _.forEachRight([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `2` then `1`.
     */
    function forEachRight(collection, iteratee) {
      var func = isArray(collection) ? arrayEachRight : baseEachRight;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The order of grouped values
     * is determined by the order they occur in `collection`. The corresponding
     * value of each key is an array of elements responsible for generating the
     * key. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': [4.2], '6': [6.1, 6.3] }
     *
     * // The `_.property` iteratee shorthand.
     * _.groupBy(['one', 'two', 'three'], 'length');
     * // => { '3': ['one', 'two'], '5': ['three'] }
     */
    var groupBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        result[key].push(value);
      } else {
        baseAssignValue(result, key, [value]);
      }
    });

    /**
     * Checks if `value` is in `collection`. If `collection` is a string, it's
     * checked for a substring of `value`, otherwise
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * is used for equality comparisons. If `fromIndex` is negative, it's used as
     * the offset from the end of `collection`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {boolean} Returns `true` if `value` is found, else `false`.
     * @example
     *
     * _.includes([1, 2, 3], 1);
     * // => true
     *
     * _.includes([1, 2, 3], 1, 2);
     * // => false
     *
     * _.includes({ 'a': 1, 'b': 2 }, 1);
     * // => true
     *
     * _.includes('abcd', 'bc');
     * // => true
     */
    function includes(collection, value, fromIndex, guard) {
      collection = isArrayLike(collection) ? collection : values(collection);
      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;

      var length = collection.length;
      if (fromIndex < 0) {
        fromIndex = nativeMax(length + fromIndex, 0);
      }
      return isString(collection)
        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
    }

    /**
     * Invokes the method at `path` of each element in `collection`, returning
     * an array of the results of each invoked method. Any additional arguments
     * are provided to each invoked method. If `path` is a function, it's invoked
     * for, and `this` bound to, each element in `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array|Function|string} path The path of the method to invoke or
     *  the function invoked per iteration.
     * @param {...*} [args] The arguments to invoke each method with.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
     * // => [[1, 5, 7], [1, 2, 3]]
     *
     * _.invokeMap([123, 456], String.prototype.split, '');
     * // => [['1', '2', '3'], ['4', '5', '6']]
     */
    var invokeMap = baseRest(function(collection, path, args) {
      var index = -1,
          isFunc = typeof path == 'function',
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value) {
        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
      });
      return result;
    });

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the last element responsible for generating the key. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * var array = [
     *   { 'dir': 'left', 'code': 97 },
     *   { 'dir': 'right', 'code': 100 }
     * ];
     *
     * _.keyBy(array, function(o) {
     *   return String.fromCharCode(o.code);
     * });
     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
     *
     * _.keyBy(array, 'dir');
     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
     */
    var keyBy = createAggregator(function(result, value, key) {
      baseAssignValue(result, key, value);
    });

    /**
     * Creates an array of values by running each element in `collection` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
     *
     * The guarded methods are:
     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * _.map([4, 8], square);
     * // => [16, 64]
     *
     * _.map({ 'a': 4, 'b': 8 }, square);
     * // => [16, 64] (iteration order is not guaranteed)
     *
     * var users = [
     *   { 'user': 'barney' },
     *   { 'user': 'fred' }
     * ];
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, 'user');
     * // => ['barney', 'fred']
     */
    function map(collection, iteratee) {
      var func = isArray(collection) ? arrayMap : baseMap;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.sortBy` except that it allows specifying the sort
     * orders of the iteratees to sort by. If `orders` is unspecified, all values
     * are sorted in ascending order. Otherwise, specify an order of "desc" for
     * descending or "asc" for ascending sort order of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @param {string[]} [orders] The sort orders of `iteratees`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 34 },
     *   { 'user': 'fred',   'age': 40 },
     *   { 'user': 'barney', 'age': 36 }
     * ];
     *
     * // Sort by `user` in ascending order and by `age` in descending order.
     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
     */
    function orderBy(collection, iteratees, orders, guard) {
      if (collection == null) {
        return [];
      }
      if (!isArray(iteratees)) {
        iteratees = iteratees == null ? [] : [iteratees];
      }
      orders = guard ? undefined : orders;
      if (!isArray(orders)) {
        orders = orders == null ? [] : [orders];
      }
      return baseOrderBy(collection, iteratees, orders);
    }

    /**
     * Creates an array of elements split into two groups, the first of which
     * contains elements `predicate` returns truthy for, the second of which
     * contains elements `predicate` returns falsey for. The predicate is
     * invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of grouped elements.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': false },
     *   { 'user': 'fred',    'age': 40, 'active': true },
     *   { 'user': 'pebbles', 'age': 1,  'active': false }
     * ];
     *
     * _.partition(users, function(o) { return o.active; });
     * // => objects for [['fred'], ['barney', 'pebbles']]
     *
     * // The `_.matches` iteratee shorthand.
     * _.partition(users, { 'age': 1, 'active': false });
     * // => objects for [['pebbles'], ['barney', 'fred']]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.partition(users, ['active', false]);
     * // => objects for [['barney', 'pebbles'], ['fred']]
     *
     * // The `_.property` iteratee shorthand.
     * _.partition(users, 'active');
     * // => objects for [['fred'], ['barney', 'pebbles']]
     */
    var partition = createAggregator(function(result, value, key) {
      result[key ? 0 : 1].push(value);
    }, function() { return [[], []]; });

    /**
     * Reduces `collection` to a value which is the accumulated result of running
     * each element in `collection` thru `iteratee`, where each successive
     * invocation is supplied the return value of the previous. If `accumulator`
     * is not given, the first element of `collection` is used as the initial
     * value. The iteratee is invoked with four arguments:
     * (accumulator, value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.reduce`, `_.reduceRight`, and `_.transform`.
     *
     * The guarded methods are:
     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
     * and `sortBy`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduceRight
     * @example
     *
     * _.reduce([1, 2], function(sum, n) {
     *   return sum + n;
     * }, 0);
     * // => 3
     *
     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     *   return result;
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
     */
    function reduce(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduce : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
    }

    /**
     * This method is like `_.reduce` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduce
     * @example
     *
     * var array = [[0, 1], [2, 3], [4, 5]];
     *
     * _.reduceRight(array, function(flattened, other) {
     *   return flattened.concat(other);
     * }, []);
     * // => [4, 5, 2, 3, 0, 1]
     */
    function reduceRight(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduceRight : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
    }

    /**
     * The opposite of `_.filter`; this method returns the elements of `collection`
     * that `predicate` does **not** return truthy for.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.filter
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': true }
     * ];
     *
     * _.reject(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.reject(users, { 'age': 40, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.reject(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.reject(users, 'active');
     * // => objects for ['barney']
     */
    function reject(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, negate(getIteratee(predicate, 3)));
    }

    /**
     * Gets a random element from `collection`.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     * @example
     *
     * _.sample([1, 2, 3, 4]);
     * // => 2
     */
    function sample(collection) {
      var func = isArray(collection) ? arraySample : baseSample;
      return func(collection);
    }

    /**
     * Gets `n` random elements at unique keys from `collection` up to the
     * size of `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @param {number} [n=1] The number of elements to sample.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the random elements.
     * @example
     *
     * _.sampleSize([1, 2, 3], 2);
     * // => [3, 1]
     *
     * _.sampleSize([1, 2, 3], 4);
     * // => [2, 3, 1]
     */
    function sampleSize(collection, n, guard) {
      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
      return func(collection, n);
    }

    /**
     * Creates an array of shuffled values, using a version of the
     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     * @example
     *
     * _.shuffle([1, 2, 3, 4]);
     * // => [4, 1, 3, 2]
     */
    function shuffle(collection) {
      var func = isArray(collection) ? arrayShuffle : baseShuffle;
      return func(collection);
    }

    /**
     * Gets the size of `collection` by returning its length for array-like
     * values or the number of own enumerable string keyed properties for objects.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @returns {number} Returns the collection size.
     * @example
     *
     * _.size([1, 2, 3]);
     * // => 3
     *
     * _.size({ 'a': 1, 'b': 2 });
     * // => 2
     *
     * _.size('pebbles');
     * // => 7
     */
    function size(collection) {
      if (collection == null) {
        return 0;
      }
      if (isArrayLike(collection)) {
        return isString(collection) ? stringSize(collection) : collection.length;
      }
      var tag = getTag(collection);
      if (tag == mapTag || tag == setTag) {
        return collection.size;
      }
      return baseKeys(collection).length;
    }

    /**
     * Checks if `predicate` returns truthy for **any** element of `collection`.
     * Iteration is stopped once `predicate` returns truthy. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     * @example
     *
     * _.some([null, 0, 'yes', false], Boolean);
     * // => true
     *
     * var users = [
     *   { 'user': 'barney', 'active': true },
     *   { 'user': 'fred',   'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.some(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.some(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.some(users, 'active');
     * // => true
     */
    function some(collection, predicate, guard) {
      var func = isArray(collection) ? arraySome : baseSome;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Creates an array of elements, sorted in ascending order by the results of
     * running each element in a collection thru each iteratee. This method
     * performs a stable sort, that is, it preserves the original sort order of
     * equal elements. The iteratees are invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 30 },
     *   { 'user': 'barney', 'age': 34 }
     * ];
     *
     * _.sortBy(users, [function(o) { return o.user; }]);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
     *
     * _.sortBy(users, ['user', 'age']);
     * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
     */
    var sortBy = baseRest(function(collection, iteratees) {
      if (collection == null) {
        return [];
      }
      var length = iteratees.length;
      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
        iteratees = [];
      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
        iteratees = [iteratees[0]];
      }
      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Gets the timestamp of the number of milliseconds that have elapsed since
     * the Unix epoch (1 January 1970 00:00:00 UTC).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Date
     * @returns {number} Returns the timestamp.
     * @example
     *
     * _.defer(function(stamp) {
     *   console.log(_.now() - stamp);
     * }, _.now());
     * // => Logs the number of milliseconds it took for the deferred invocation.
     */
    var now = ctxNow || function() {
      return root.Date.now();
    };

    /*------------------------------------------------------------------------*/

    /**
     * The opposite of `_.before`; this method creates a function that invokes
     * `func` once it's called `n` or more times.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {number} n The number of calls before `func` is invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var saves = ['profile', 'settings'];
     *
     * var done = _.after(saves.length, function() {
     *   console.log('done saving!');
     * });
     *
     * _.forEach(saves, function(type) {
     *   asyncSave({ 'type': type, 'complete': done });
     * });
     * // => Logs 'done saving!' after the two async saves have completed.
     */
    function after(n, func) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n < 1) {
          return func.apply(this, arguments);
        }
      };
    }

    /**
     * Creates a function that invokes `func`, with up to `n` arguments,
     * ignoring any additional arguments.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @param {number} [n=func.length] The arity cap.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
     * // => [6, 8, 10]
     */
    function ary(func, n, guard) {
      n = guard ? undefined : n;
      n = (func && n == null) ? func.length : n;
      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
    }

    /**
     * Creates a function that invokes `func`, with the `this` binding and arguments
     * of the created function, while it's called less than `n` times. Subsequent
     * calls to the created function return the result of the last `func` invocation.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {number} n The number of calls at which `func` is no longer invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * jQuery(element).on('click', _.before(5, addContactToList));
     * // => Allows adding up to 4 contacts to the list.
     */
    function before(n, func) {
      var result;
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n > 0) {
          result = func.apply(this, arguments);
        }
        if (n <= 1) {
          func = undefined;
        }
        return result;
      };
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of `thisArg`
     * and `partials` prepended to the arguments it receives.
     *
     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for partially applied arguments.
     *
     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
     * property of bound functions.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to bind.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * function greet(greeting, punctuation) {
     *   return greeting + ' ' + this.user + punctuation;
     * }
     *
     * var object = { 'user': 'fred' };
     *
     * var bound = _.bind(greet, object, 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bind(greet, object, _, '!');
     * bound('hi');
     * // => 'hi fred!'
     */
    var bind = baseRest(function(func, thisArg, partials) {
      var bitmask = WRAP_BIND_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bind));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(func, bitmask, thisArg, partials, holders);
    });

    /**
     * Creates a function that invokes the method at `object[key]` with `partials`
     * prepended to the arguments it receives.
     *
     * This method differs from `_.bind` by allowing bound functions to reference
     * methods that may be redefined or don't yet exist. See
     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
     * for more details.
     *
     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Function
     * @param {Object} object The object to invoke the method on.
     * @param {string} key The key of the method.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * var object = {
     *   'user': 'fred',
     *   'greet': function(greeting, punctuation) {
     *     return greeting + ' ' + this.user + punctuation;
     *   }
     * };
     *
     * var bound = _.bindKey(object, 'greet', 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * object.greet = function(greeting, punctuation) {
     *   return greeting + 'ya ' + this.user + punctuation;
     * };
     *
     * bound('!');
     * // => 'hiya fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bindKey(object, 'greet', _, '!');
     * bound('hi');
     * // => 'hiya fred!'
     */
    var bindKey = baseRest(function(object, key, partials) {
      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bindKey));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(key, bitmask, object, partials, holders);
    });

    /**
     * Creates a function that accepts arguments of `func` and either invokes
     * `func` returning its result, if at least `arity` number of arguments have
     * been provided, or returns a function that accepts the remaining `func`
     * arguments, and so on. The arity of `func` may be specified if `func.length`
     * is not sufficient.
     *
     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curry(abc);
     *
     * curried(1)(2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(1)(_, 3)(2);
     * // => [1, 2, 3]
     */
    function curry(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curry.placeholder;
      return result;
    }

    /**
     * This method is like `_.curry` except that arguments are applied to `func`
     * in the manner of `_.partialRight` instead of `_.partial`.
     *
     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curryRight(abc);
     *
     * curried(3)(2)(1);
     * // => [1, 2, 3]
     *
     * curried(2, 3)(1);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(3)(1, _)(2);
     * // => [1, 2, 3]
     */
    function curryRight(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curryRight.placeholder;
      return result;
    }

    /**
     * Creates a debounced function that delays invoking `func` until after `wait`
     * milliseconds have elapsed since the last time the debounced function was
     * invoked. The debounced function comes with a `cancel` method to cancel
     * delayed `func` invocations and a `flush` method to immediately invoke them.
     * Provide `options` to indicate whether `func` should be invoked on the
     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
     * with the last arguments provided to the debounced function. Subsequent
     * calls to the debounced function return the result of the last `func`
     * invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the debounced function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.debounce` and `_.throttle`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to debounce.
     * @param {number} [wait=0] The number of milliseconds to delay.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=false]
     *  Specify invoking on the leading edge of the timeout.
     * @param {number} [options.maxWait]
     *  The maximum time `func` is allowed to be delayed before it's invoked.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new debounced function.
     * @example
     *
     * // Avoid costly calculations while the window size is in flux.
     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
     *
     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
     * jQuery(element).on('click', _.debounce(sendMail, 300, {
     *   'leading': true,
     *   'trailing': false
     * }));
     *
     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
     * var source = new EventSource('/stream');
     * jQuery(source).on('message', debounced);
     *
     * // Cancel the trailing debounced invocation.
     * jQuery(window).on('popstate', debounced.cancel);
     */
    function debounce(func, wait, options) {
      var lastArgs,
          lastThis,
          maxWait,
          result,
          timerId,
          lastCallTime,
          lastInvokeTime = 0,
          leading = false,
          maxing = false,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      wait = toNumber(wait) || 0;
      if (isObject(options)) {
        leading = !!options.leading;
        maxing = 'maxWait' in options;
        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }

      function invokeFunc(time) {
        var args = lastArgs,
            thisArg = lastThis;

        lastArgs = lastThis = undefined;
        lastInvokeTime = time;
        result = func.apply(thisArg, args);
        return result;
      }

      function leadingEdge(time) {
        // Reset any `maxWait` timer.
        lastInvokeTime = time;
        // Start the timer for the trailing edge.
        timerId = setTimeout(timerExpired, wait);
        // Invoke the leading edge.
        return leading ? invokeFunc(time) : result;
      }

      function remainingWait(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime,
            timeWaiting = wait - timeSinceLastCall;

        return maxing
          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
          : timeWaiting;
      }

      function shouldInvoke(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime;

        // Either this is the first call, activity has stopped and we're at the
        // trailing edge, the system time has gone backwards and we're treating
        // it as the trailing edge, or we've hit the `maxWait` limit.
        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
      }

      function timerExpired() {
        var time = now();
        if (shouldInvoke(time)) {
          return trailingEdge(time);
        }
        // Restart the timer.
        timerId = setTimeout(timerExpired, remainingWait(time));
      }

      function trailingEdge(time) {
        timerId = undefined;

        // Only invoke if we have `lastArgs` which means `func` has been
        // debounced at least once.
        if (trailing && lastArgs) {
          return invokeFunc(time);
        }
        lastArgs = lastThis = undefined;
        return result;
      }

      function cancel() {
        if (timerId !== undefined) {
          clearTimeout(timerId);
        }
        lastInvokeTime = 0;
        lastArgs = lastCallTime = lastThis = timerId = undefined;
      }

      function flush() {
        return timerId === undefined ? result : trailingEdge(now());
      }

      function debounced() {
        var time = now(),
            isInvoking = shouldInvoke(time);

        lastArgs = arguments;
        lastThis = this;
        lastCallTime = time;

        if (isInvoking) {
          if (timerId === undefined) {
            return leadingEdge(lastCallTime);
          }
          if (maxing) {
            // Handle invocations in a tight loop.
            clearTimeout(timerId);
            timerId = setTimeout(timerExpired, wait);
            return invokeFunc(lastCallTime);
          }
        }
        if (timerId === undefined) {
          timerId = setTimeout(timerExpired, wait);
        }
        return result;
      }
      debounced.cancel = cancel;
      debounced.flush = flush;
      return debounced;
    }

    /**
     * Defers invoking the `func` until the current call stack has cleared. Any
     * additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to defer.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.defer(function(text) {
     *   console.log(text);
     * }, 'deferred');
     * // => Logs 'deferred' after one millisecond.
     */
    var defer = baseRest(function(func, args) {
      return baseDelay(func, 1, args);
    });

    /**
     * Invokes `func` after `wait` milliseconds. Any additional arguments are
     * provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.delay(function(text) {
     *   console.log(text);
     * }, 1000, 'later');
     * // => Logs 'later' after one second.
     */
    var delay = baseRest(function(func, wait, args) {
      return baseDelay(func, toNumber(wait) || 0, args);
    });

    /**
     * Creates a function that invokes `func` with arguments reversed.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to flip arguments for.
     * @returns {Function} Returns the new flipped function.
     * @example
     *
     * var flipped = _.flip(function() {
     *   return _.toArray(arguments);
     * });
     *
     * flipped('a', 'b', 'c', 'd');
     * // => ['d', 'c', 'b', 'a']
     */
    function flip(func) {
      return createWrap(func, WRAP_FLIP_FLAG);
    }

    /**
     * Creates a function that memoizes the result of `func`. If `resolver` is
     * provided, it determines the cache key for storing the result based on the
     * arguments provided to the memoized function. By default, the first argument
     * provided to the memoized function is used as the map cache key. The `func`
     * is invoked with the `this` binding of the memoized function.
     *
     * **Note:** The cache is exposed as the `cache` property on the memoized
     * function. Its creation may be customized by replacing the `_.memoize.Cache`
     * constructor with one whose instances implement the
     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to have its output memoized.
     * @param {Function} [resolver] The function to resolve the cache key.
     * @returns {Function} Returns the new memoized function.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     * var other = { 'c': 3, 'd': 4 };
     *
     * var values = _.memoize(_.values);
     * values(object);
     * // => [1, 2]
     *
     * values(other);
     * // => [3, 4]
     *
     * object.a = 2;
     * values(object);
     * // => [1, 2]
     *
     * // Modify the result cache.
     * values.cache.set(object, ['a', 'b']);
     * values(object);
     * // => ['a', 'b']
     *
     * // Replace `_.memoize.Cache`.
     * _.memoize.Cache = WeakMap;
     */
    function memoize(func, resolver) {
      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var memoized = function() {
        var args = arguments,
            key = resolver ? resolver.apply(this, args) : args[0],
            cache = memoized.cache;

        if (cache.has(key)) {
          return cache.get(key);
        }
        var result = func.apply(this, args);
        memoized.cache = cache.set(key, result) || cache;
        return result;
      };
      memoized.cache = new (memoize.Cache || MapCache);
      return memoized;
    }

    // Expose `MapCache`.
    memoize.Cache = MapCache;

    /**
     * Creates a function that negates the result of the predicate `func`. The
     * `func` predicate is invoked with the `this` binding and arguments of the
     * created function.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} predicate The predicate to negate.
     * @returns {Function} Returns the new negated function.
     * @example
     *
     * function isEven(n) {
     *   return n % 2 == 0;
     * }
     *
     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
     * // => [1, 3, 5]
     */
    function negate(predicate) {
      if (typeof predicate != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return function() {
        var args = arguments;
        switch (args.length) {
          case 0: return !predicate.call(this);
          case 1: return !predicate.call(this, args[0]);
          case 2: return !predicate.call(this, args[0], args[1]);
          case 3: return !predicate.call(this, args[0], args[1], args[2]);
        }
        return !predicate.apply(this, args);
      };
    }

    /**
     * Creates a function that is restricted to invoking `func` once. Repeat calls
     * to the function return the value of the first invocation. The `func` is
     * invoked with the `this` binding and arguments of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var initialize = _.once(createApplication);
     * initialize();
     * initialize();
     * // => `createApplication` is invoked once
     */
    function once(func) {
      return before(2, func);
    }

    /**
     * Creates a function that invokes `func` with its arguments transformed.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Function
     * @param {Function} func The function to wrap.
     * @param {...(Function|Function[])} [transforms=[_.identity]]
     *  The argument transforms.
     * @returns {Function} Returns the new function.
     * @example
     *
     * function doubled(n) {
     *   return n * 2;
     * }
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var func = _.overArgs(function(x, y) {
     *   return [x, y];
     * }, [square, doubled]);
     *
     * func(9, 3);
     * // => [81, 6]
     *
     * func(10, 5);
     * // => [100, 10]
     */
    var overArgs = castRest(function(func, transforms) {
      transforms = (transforms.length == 1 && isArray(transforms[0]))
        ? arrayMap(transforms[0], baseUnary(getIteratee()))
        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

      var funcsLength = transforms.length;
      return baseRest(function(args) {
        var index = -1,
            length = nativeMin(args.length, funcsLength);

        while (++index < length) {
          args[index] = transforms[index].call(this, args[index]);
        }
        return apply(func, this, args);
      });
    });

    /**
     * Creates a function that invokes `func` with `partials` prepended to the
     * arguments it receives. This method is like `_.bind` except it does **not**
     * alter the `this` binding.
     *
     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 0.2.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var sayHelloTo = _.partial(greet, 'hello');
     * sayHelloTo('fred');
     * // => 'hello fred'
     *
     * // Partially applied with placeholders.
     * var greetFred = _.partial(greet, _, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     */
    var partial = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partial));
      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
    });

    /**
     * This method is like `_.partial` except that partially applied arguments
     * are appended to the arguments it receives.
     *
     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var greetFred = _.partialRight(greet, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     *
     * // Partially applied with placeholders.
     * var sayHelloTo = _.partialRight(greet, 'hello', _);
     * sayHelloTo('fred');
     * // => 'hello fred'
     */
    var partialRight = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partialRight));
      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
    });

    /**
     * Creates a function that invokes `func` with arguments arranged according
     * to the specified `indexes` where the argument value at the first index is
     * provided as the first argument, the argument value at the second index is
     * provided as the second argument, and so on.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to rearrange arguments for.
     * @param {...(number|number[])} indexes The arranged argument indexes.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var rearged = _.rearg(function(a, b, c) {
     *   return [a, b, c];
     * }, [2, 0, 1]);
     *
     * rearged('b', 'c', 'a')
     * // => ['a', 'b', 'c']
     */
    var rearg = flatRest(function(func, indexes) {
      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
    });

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * created function and arguments from `start` and beyond provided as
     * an array.
     *
     * **Note:** This method is based on the
     * [rest parameter](https://mdn.io/rest_parameters).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.rest(function(what, names) {
     *   return what + ' ' + _.initial(names).join(', ') +
     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
     * });
     *
     * say('hello', 'fred', 'barney', 'pebbles');
     * // => 'hello fred, barney, & pebbles'
     */
    function rest(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start === undefined ? start : toInteger(start);
      return baseRest(func, start);
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * create function and an array of arguments much like
     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
     *
     * **Note:** This method is based on the
     * [spread operator](https://mdn.io/spread_operator).
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Function
     * @param {Function} func The function to spread arguments over.
     * @param {number} [start=0] The start position of the spread.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.spread(function(who, what) {
     *   return who + ' says ' + what;
     * });
     *
     * say(['fred', 'hello']);
     * // => 'fred says hello'
     *
     * var numbers = Promise.all([
     *   Promise.resolve(40),
     *   Promise.resolve(36)
     * ]);
     *
     * numbers.then(_.spread(function(x, y) {
     *   return x + y;
     * }));
     * // => a Promise of 76
     */
    function spread(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start == null ? 0 : nativeMax(toInteger(start), 0);
      return baseRest(function(args) {
        var array = args[start],
            otherArgs = castSlice(args, 0, start);

        if (array) {
          arrayPush(otherArgs, array);
        }
        return apply(func, this, otherArgs);
      });
    }

    /**
     * Creates a throttled function that only invokes `func` at most once per
     * every `wait` milliseconds. The throttled function comes with a `cancel`
     * method to cancel delayed `func` invocations and a `flush` method to
     * immediately invoke them. Provide `options` to indicate whether `func`
     * should be invoked on the leading and/or trailing edge of the `wait`
     * timeout. The `func` is invoked with the last arguments provided to the
     * throttled function. Subsequent calls to the throttled function return the
     * result of the last `func` invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the throttled function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.throttle` and `_.debounce`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to throttle.
     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=true]
     *  Specify invoking on the leading edge of the timeout.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new throttled function.
     * @example
     *
     * // Avoid excessively updating the position while scrolling.
     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
     *
     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
     * jQuery(element).on('click', throttled);
     *
     * // Cancel the trailing throttled invocation.
     * jQuery(window).on('popstate', throttled.cancel);
     */
    function throttle(func, wait, options) {
      var leading = true,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      if (isObject(options)) {
        leading = 'leading' in options ? !!options.leading : leading;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }
      return debounce(func, wait, {
        'leading': leading,
        'maxWait': wait,
        'trailing': trailing
      });
    }

    /**
     * Creates a function that accepts up to one argument, ignoring any
     * additional arguments.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.unary(parseInt));
     * // => [6, 8, 10]
     */
    function unary(func) {
      return ary(func, 1);
    }

    /**
     * Creates a function that provides `value` to `wrapper` as its first
     * argument. Any additional arguments provided to the function are appended
     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
     * binding of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {*} value The value to wrap.
     * @param {Function} [wrapper=identity] The wrapper function.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var p = _.wrap(_.escape, function(func, text) {
     *   return '<p>' + func(text) + '</p>';
     * });
     *
     * p('fred, barney, & pebbles');
     * // => '<p>fred, barney, &amp; pebbles</p>'
     */
    function wrap(value, wrapper) {
      return partial(castFunction(wrapper), value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Casts `value` as an array if it's not one.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Lang
     * @param {*} value The value to inspect.
     * @returns {Array} Returns the cast array.
     * @example
     *
     * _.castArray(1);
     * // => [1]
     *
     * _.castArray({ 'a': 1 });
     * // => [{ 'a': 1 }]
     *
     * _.castArray('abc');
     * // => ['abc']
     *
     * _.castArray(null);
     * // => [null]
     *
     * _.castArray(undefined);
     * // => [undefined]
     *
     * _.castArray();
     * // => []
     *
     * var array = [1, 2, 3];
     * console.log(_.castArray(array) === array);
     * // => true
     */
    function castArray() {
      if (!arguments.length) {
        return [];
      }
      var value = arguments[0];
      return isArray(value) ? value : [value];
    }

    /**
     * Creates a shallow clone of `value`.
     *
     * **Note:** This method is loosely based on the
     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
     * and supports cloning arrays, array buffers, booleans, date objects, maps,
     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
     * arrays. The own enumerable properties of `arguments` objects are cloned
     * as plain objects. An empty object is returned for uncloneable values such
     * as error objects, functions, DOM nodes, and WeakMaps.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to clone.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeep
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var shallow = _.clone(objects);
     * console.log(shallow[0] === objects[0]);
     * // => true
     */
    function clone(value) {
      return baseClone(value, CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.clone` except that it accepts `customizer` which
     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
     * cloning is handled by the method instead. The `customizer` is invoked with
     * up to four arguments; (value [, index|key, object, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeepWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(false);
     *   }
     * }
     *
     * var el = _.cloneWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 0
     */
    function cloneWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * This method is like `_.clone` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @returns {*} Returns the deep cloned value.
     * @see _.clone
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var deep = _.cloneDeep(objects);
     * console.log(deep[0] === objects[0]);
     * // => false
     */
    function cloneDeep(value) {
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.cloneWith` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the deep cloned value.
     * @see _.cloneWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(true);
     *   }
     * }
     *
     * var el = _.cloneDeepWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 20
     */
    function cloneDeepWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * Checks if `object` conforms to `source` by invoking the predicate
     * properties of `source` with the corresponding property values of `object`.
     *
     * **Note:** This method is equivalent to `_.conforms` when `source` is
     * partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
     * // => true
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
     * // => false
     */
    function conformsTo(object, source) {
      return source == null || baseConformsTo(object, source, keys(source));
    }

    /**
     * Performs a
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * comparison between two values to determine if they are equivalent.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.eq(object, object);
     * // => true
     *
     * _.eq(object, other);
     * // => false
     *
     * _.eq('a', 'a');
     * // => true
     *
     * _.eq('a', Object('a'));
     * // => false
     *
     * _.eq(NaN, NaN);
     * // => true
     */
    function eq(value, other) {
      return value === other || (value !== value && other !== other);
    }

    /**
     * Checks if `value` is greater than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     * @see _.lt
     * @example
     *
     * _.gt(3, 1);
     * // => true
     *
     * _.gt(3, 3);
     * // => false
     *
     * _.gt(1, 3);
     * // => false
     */
    var gt = createRelationalOperation(baseGt);

    /**
     * Checks if `value` is greater than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than or equal to
     *  `other`, else `false`.
     * @see _.lte
     * @example
     *
     * _.gte(3, 1);
     * // => true
     *
     * _.gte(3, 3);
     * // => true
     *
     * _.gte(1, 3);
     * // => false
     */
    var gte = createRelationalOperation(function(value, other) {
      return value >= other;
    });

    /**
     * Checks if `value` is likely an `arguments` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     *  else `false`.
     * @example
     *
     * _.isArguments(function() { return arguments; }());
     * // => true
     *
     * _.isArguments([1, 2, 3]);
     * // => false
     */
    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
        !propertyIsEnumerable.call(value, 'callee');
    };

    /**
     * Checks if `value` is classified as an `Array` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
     * @example
     *
     * _.isArray([1, 2, 3]);
     * // => true
     *
     * _.isArray(document.body.children);
     * // => false
     *
     * _.isArray('abc');
     * // => false
     *
     * _.isArray(_.noop);
     * // => false
     */
    var isArray = Array.isArray;

    /**
     * Checks if `value` is classified as an `ArrayBuffer` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     * @example
     *
     * _.isArrayBuffer(new ArrayBuffer(2));
     * // => true
     *
     * _.isArrayBuffer(new Array(2));
     * // => false
     */
    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

    /**
     * Checks if `value` is array-like. A value is considered array-like if it's
     * not a function and has a `value.length` that's an integer greater than or
     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
     * @example
     *
     * _.isArrayLike([1, 2, 3]);
     * // => true
     *
     * _.isArrayLike(document.body.children);
     * // => true
     *
     * _.isArrayLike('abc');
     * // => true
     *
     * _.isArrayLike(_.noop);
     * // => false
     */
    function isArrayLike(value) {
      return value != null && isLength(value.length) && !isFunction(value);
    }

    /**
     * This method is like `_.isArrayLike` except that it also checks if `value`
     * is an object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array-like object,
     *  else `false`.
     * @example
     *
     * _.isArrayLikeObject([1, 2, 3]);
     * // => true
     *
     * _.isArrayLikeObject(document.body.children);
     * // => true
     *
     * _.isArrayLikeObject('abc');
     * // => false
     *
     * _.isArrayLikeObject(_.noop);
     * // => false
     */
    function isArrayLikeObject(value) {
      return isObjectLike(value) && isArrayLike(value);
    }

    /**
     * Checks if `value` is classified as a boolean primitive or object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
     * @example
     *
     * _.isBoolean(false);
     * // => true
     *
     * _.isBoolean(null);
     * // => false
     */
    function isBoolean(value) {
      return value === true || value === false ||
        (isObjectLike(value) && baseGetTag(value) == boolTag);
    }

    /**
     * Checks if `value` is a buffer.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
     * @example
     *
     * _.isBuffer(new Buffer(2));
     * // => true
     *
     * _.isBuffer(new Uint8Array(2));
     * // => false
     */
    var isBuffer = nativeIsBuffer || stubFalse;

    /**
     * Checks if `value` is classified as a `Date` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     * @example
     *
     * _.isDate(new Date);
     * // => true
     *
     * _.isDate('Mon April 23 2012');
     * // => false
     */
    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

    /**
     * Checks if `value` is likely a DOM element.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
     * @example
     *
     * _.isElement(document.body);
     * // => true
     *
     * _.isElement('<body>');
     * // => false
     */
    function isElement(value) {
      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
    }

    /**
     * Checks if `value` is an empty object, collection, map, or set.
     *
     * Objects are considered empty if they have no own enumerable string keyed
     * properties.
     *
     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
     * jQuery-like collections are considered empty if they have a `length` of `0`.
     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
     * @example
     *
     * _.isEmpty(null);
     * // => true
     *
     * _.isEmpty(true);
     * // => true
     *
     * _.isEmpty(1);
     * // => true
     *
     * _.isEmpty([1, 2, 3]);
     * // => false
     *
     * _.isEmpty({ 'a': 1 });
     * // => false
     */
    function isEmpty(value) {
      if (value == null) {
        return true;
      }
      if (isArrayLike(value) &&
          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
        return !value.length;
      }
      var tag = getTag(value);
      if (tag == mapTag || tag == setTag) {
        return !value.size;
      }
      if (isPrototype(value)) {
        return !baseKeys(value).length;
      }
      for (var key in value) {
        if (hasOwnProperty.call(value, key)) {
          return false;
        }
      }
      return true;
    }

    /**
     * Performs a deep comparison between two values to determine if they are
     * equivalent.
     *
     * **Note:** This method supports comparing arrays, array buffers, booleans,
     * date objects, error objects, maps, numbers, `Object` objects, regexes,
     * sets, strings, symbols, and typed arrays. `Object` objects are compared
     * by their own, not inherited, enumerable properties. Functions and DOM
     * nodes are compared by strict equality, i.e. `===`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.isEqual(object, other);
     * // => true
     *
     * object === other;
     * // => false
     */
    function isEqual(value, other) {
      return baseIsEqual(value, other);
    }

    /**
     * This method is like `_.isEqual` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with up to
     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, othValue) {
     *   if (isGreeting(objValue) && isGreeting(othValue)) {
     *     return true;
     *   }
     * }
     *
     * var array = ['hello', 'goodbye'];
     * var other = ['hi', 'goodbye'];
     *
     * _.isEqualWith(array, other, customizer);
     * // => true
     */
    function isEqualWith(value, other, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      var result = customizer ? customizer(value, other) : undefined;
      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
    }

    /**
     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
     * `SyntaxError`, `TypeError`, or `URIError` object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
     * @example
     *
     * _.isError(new Error);
     * // => true
     *
     * _.isError(Error);
     * // => false
     */
    function isError(value) {
      if (!isObjectLike(value)) {
        return false;
      }
      var tag = baseGetTag(value);
      return tag == errorTag || tag == domExcTag ||
        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
    }

    /**
     * Checks if `value` is a finite primitive number.
     *
     * **Note:** This method is based on
     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
     * @example
     *
     * _.isFinite(3);
     * // => true
     *
     * _.isFinite(Number.MIN_VALUE);
     * // => true
     *
     * _.isFinite(Infinity);
     * // => false
     *
     * _.isFinite('3');
     * // => false
     */
    function isFinite(value) {
      return typeof value == 'number' && nativeIsFinite(value);
    }

    /**
     * Checks if `value` is classified as a `Function` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
     * @example
     *
     * _.isFunction(_);
     * // => true
     *
     * _.isFunction(/abc/);
     * // => false
     */
    function isFunction(value) {
      if (!isObject(value)) {
        return false;
      }
      // The use of `Object#toString` avoids issues with the `typeof` operator
      // in Safari 9 which returns 'object' for typed arrays and other constructors.
      var tag = baseGetTag(value);
      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
    }

    /**
     * Checks if `value` is an integer.
     *
     * **Note:** This method is based on
     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
     * @example
     *
     * _.isInteger(3);
     * // => true
     *
     * _.isInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isInteger(Infinity);
     * // => false
     *
     * _.isInteger('3');
     * // => false
     */
    function isInteger(value) {
      return typeof value == 'number' && value == toInteger(value);
    }

    /**
     * Checks if `value` is a valid array-like length.
     *
     * **Note:** This method is loosely based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
     * @example
     *
     * _.isLength(3);
     * // => true
     *
     * _.isLength(Number.MIN_VALUE);
     * // => false
     *
     * _.isLength(Infinity);
     * // => false
     *
     * _.isLength('3');
     * // => false
     */
    function isLength(value) {
      return typeof value == 'number' &&
        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is the
     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
     * @example
     *
     * _.isObject({});
     * // => true
     *
     * _.isObject([1, 2, 3]);
     * // => true
     *
     * _.isObject(_.noop);
     * // => true
     *
     * _.isObject(null);
     * // => false
     */
    function isObject(value) {
      var type = typeof value;
      return value != null && (type == 'object' || type == 'function');
    }

    /**
     * Checks if `value` is object-like. A value is object-like if it's not `null`
     * and has a `typeof` result of "object".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
     * @example
     *
     * _.isObjectLike({});
     * // => true
     *
     * _.isObjectLike([1, 2, 3]);
     * // => true
     *
     * _.isObjectLike(_.noop);
     * // => false
     *
     * _.isObjectLike(null);
     * // => false
     */
    function isObjectLike(value) {
      return value != null && typeof value == 'object';
    }

    /**
     * Checks if `value` is classified as a `Map` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     * @example
     *
     * _.isMap(new Map);
     * // => true
     *
     * _.isMap(new WeakMap);
     * // => false
     */
    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

    /**
     * Performs a partial deep comparison between `object` and `source` to
     * determine if `object` contains equivalent property values.
     *
     * **Note:** This method is equivalent to `_.matches` when `source` is
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.isMatch(object, { 'b': 2 });
     * // => true
     *
     * _.isMatch(object, { 'b': 1 });
     * // => false
     */
    function isMatch(object, source) {
      return object === source || baseIsMatch(object, source, getMatchData(source));
    }

    /**
     * This method is like `_.isMatch` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with five
     * arguments: (objValue, srcValue, index|key, object, source).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, srcValue) {
     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
     *     return true;
     *   }
     * }
     *
     * var object = { 'greeting': 'hello' };
     * var source = { 'greeting': 'hi' };
     *
     * _.isMatchWith(object, source, customizer);
     * // => true
     */
    function isMatchWith(object, source, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseIsMatch(object, source, getMatchData(source), customizer);
    }

    /**
     * Checks if `value` is `NaN`.
     *
     * **Note:** This method is based on
     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
     * `undefined` and other non-number values.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
     * @example
     *
     * _.isNaN(NaN);
     * // => true
     *
     * _.isNaN(new Number(NaN));
     * // => true
     *
     * isNaN(undefined);
     * // => true
     *
     * _.isNaN(undefined);
     * // => false
     */
    function isNaN(value) {
      // An `NaN` primitive is the only value that is not equal to itself.
      // Perform the `toStringTag` check first to avoid errors with some
      // ActiveX objects in IE.
      return isNumber(value) && value != +value;
    }

    /**
     * Checks if `value` is a pristine native function.
     *
     * **Note:** This method can't reliably detect native functions in the presence
     * of the core-js package because core-js circumvents this kind of detection.
     * Despite multiple requests, the core-js maintainer has made it clear: any
     * attempt to fix the detection will be obstructed. As a result, we're left
     * with little choice but to throw an error. Unfortunately, this also affects
     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
     * which rely on core-js.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     * @example
     *
     * _.isNative(Array.prototype.push);
     * // => true
     *
     * _.isNative(_);
     * // => false
     */
    function isNative(value) {
      if (isMaskable(value)) {
        throw new Error(CORE_ERROR_TEXT);
      }
      return baseIsNative(value);
    }

    /**
     * Checks if `value` is `null`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
     * @example
     *
     * _.isNull(null);
     * // => true
     *
     * _.isNull(void 0);
     * // => false
     */
    function isNull(value) {
      return value === null;
    }

    /**
     * Checks if `value` is `null` or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
     * @example
     *
     * _.isNil(null);
     * // => true
     *
     * _.isNil(void 0);
     * // => true
     *
     * _.isNil(NaN);
     * // => false
     */
    function isNil(value) {
      return value == null;
    }

    /**
     * Checks if `value` is classified as a `Number` primitive or object.
     *
     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
     * classified as numbers, use the `_.isFinite` method.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
     * @example
     *
     * _.isNumber(3);
     * // => true
     *
     * _.isNumber(Number.MIN_VALUE);
     * // => true
     *
     * _.isNumber(Infinity);
     * // => true
     *
     * _.isNumber('3');
     * // => false
     */
    function isNumber(value) {
      return typeof value == 'number' ||
        (isObjectLike(value) && baseGetTag(value) == numberTag);
    }

    /**
     * Checks if `value` is a plain object, that is, an object created by the
     * `Object` constructor or one with a `[[Prototype]]` of `null`.
     *
     * @static
     * @memberOf _
     * @since 0.8.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * _.isPlainObject(new Foo);
     * // => false
     *
     * _.isPlainObject([1, 2, 3]);
     * // => false
     *
     * _.isPlainObject({ 'x': 0, 'y': 0 });
     * // => true
     *
     * _.isPlainObject(Object.create(null));
     * // => true
     */
    function isPlainObject(value) {
      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
        return false;
      }
      var proto = getPrototype(value);
      if (proto === null) {
        return true;
      }
      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
        funcToString.call(Ctor) == objectCtorString;
    }

    /**
     * Checks if `value` is classified as a `RegExp` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     * @example
     *
     * _.isRegExp(/abc/);
     * // => true
     *
     * _.isRegExp('/abc/');
     * // => false
     */
    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

    /**
     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
     * double precision number which isn't the result of a rounded unsafe integer.
     *
     * **Note:** This method is based on
     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
     * @example
     *
     * _.isSafeInteger(3);
     * // => true
     *
     * _.isSafeInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isSafeInteger(Infinity);
     * // => false
     *
     * _.isSafeInteger('3');
     * // => false
     */
    function isSafeInteger(value) {
      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is classified as a `Set` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     * @example
     *
     * _.isSet(new Set);
     * // => true
     *
     * _.isSet(new WeakSet);
     * // => false
     */
    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

    /**
     * Checks if `value` is classified as a `String` primitive or object.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
     * @example
     *
     * _.isString('abc');
     * // => true
     *
     * _.isString(1);
     * // => false
     */
    function isString(value) {
      return typeof value == 'string' ||
        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
    }

    /**
     * Checks if `value` is classified as a `Symbol` primitive or object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
     * @example
     *
     * _.isSymbol(Symbol.iterator);
     * // => true
     *
     * _.isSymbol('abc');
     * // => false
     */
    function isSymbol(value) {
      return typeof value == 'symbol' ||
        (isObjectLike(value) && baseGetTag(value) == symbolTag);
    }

    /**
     * Checks if `value` is classified as a typed array.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     * @example
     *
     * _.isTypedArray(new Uint8Array);
     * // => true
     *
     * _.isTypedArray([]);
     * // => false
     */
    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

    /**
     * Checks if `value` is `undefined`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
     * @example
     *
     * _.isUndefined(void 0);
     * // => true
     *
     * _.isUndefined(null);
     * // => false
     */
    function isUndefined(value) {
      return value === undefined;
    }

    /**
     * Checks if `value` is classified as a `WeakMap` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
     * @example
     *
     * _.isWeakMap(new WeakMap);
     * // => true
     *
     * _.isWeakMap(new Map);
     * // => false
     */
    function isWeakMap(value) {
      return isObjectLike(value) && getTag(value) == weakMapTag;
    }

    /**
     * Checks if `value` is classified as a `WeakSet` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
     * @example
     *
     * _.isWeakSet(new WeakSet);
     * // => true
     *
     * _.isWeakSet(new Set);
     * // => false
     */
    function isWeakSet(value) {
      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
    }

    /**
     * Checks if `value` is less than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     * @see _.gt
     * @example
     *
     * _.lt(1, 3);
     * // => true
     *
     * _.lt(3, 3);
     * // => false
     *
     * _.lt(3, 1);
     * // => false
     */
    var lt = createRelationalOperation(baseLt);

    /**
     * Checks if `value` is less than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than or equal to
     *  `other`, else `false`.
     * @see _.gte
     * @example
     *
     * _.lte(1, 3);
     * // => true
     *
     * _.lte(3, 3);
     * // => true
     *
     * _.lte(3, 1);
     * // => false
     */
    var lte = createRelationalOperation(function(value, other) {
      return value <= other;
    });

    /**
     * Converts `value` to an array.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Array} Returns the converted array.
     * @example
     *
     * _.toArray({ 'a': 1, 'b': 2 });
     * // => [1, 2]
     *
     * _.toArray('abc');
     * // => ['a', 'b', 'c']
     *
     * _.toArray(1);
     * // => []
     *
     * _.toArray(null);
     * // => []
     */
    function toArray(value) {
      if (!value) {
        return [];
      }
      if (isArrayLike(value)) {
        return isString(value) ? stringToArray(value) : copyArray(value);
      }
      if (symIterator && value[symIterator]) {
        return iteratorToArray(value[symIterator]());
      }
      var tag = getTag(value),
          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

      return func(value);
    }

    /**
     * Converts `value` to a finite number.
     *
     * @static
     * @memberOf _
     * @since 4.12.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted number.
     * @example
     *
     * _.toFinite(3.2);
     * // => 3.2
     *
     * _.toFinite(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toFinite(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toFinite('3.2');
     * // => 3.2
     */
    function toFinite(value) {
      if (!value) {
        return value === 0 ? value : 0;
      }
      value = toNumber(value);
      if (value === INFINITY || value === -INFINITY) {
        var sign = (value < 0 ? -1 : 1);
        return sign * MAX_INTEGER;
      }
      return value === value ? value : 0;
    }

    /**
     * Converts `value` to an integer.
     *
     * **Note:** This method is loosely based on
     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toInteger(3.2);
     * // => 3
     *
     * _.toInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toInteger(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toInteger('3.2');
     * // => 3
     */
    function toInteger(value) {
      var result = toFinite(value),
          remainder = result % 1;

      return result === result ? (remainder ? result - remainder : result) : 0;
    }

    /**
     * Converts `value` to an integer suitable for use as the length of an
     * array-like object.
     *
     * **Note:** This method is based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toLength(3.2);
     * // => 3
     *
     * _.toLength(Number.MIN_VALUE);
     * // => 0
     *
     * _.toLength(Infinity);
     * // => 4294967295
     *
     * _.toLength('3.2');
     * // => 3
     */
    function toLength(value) {
      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
    }

    /**
     * Converts `value` to a number.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     * @example
     *
     * _.toNumber(3.2);
     * // => 3.2
     *
     * _.toNumber(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toNumber(Infinity);
     * // => Infinity
     *
     * _.toNumber('3.2');
     * // => 3.2
     */
    function toNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      if (isObject(value)) {
        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
        value = isObject(other) ? (other + '') : other;
      }
      if (typeof value != 'string') {
        return value === 0 ? value : +value;
      }
      value = baseTrim(value);
      var isBinary = reIsBinary.test(value);
      return (isBinary || reIsOctal.test(value))
        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
        : (reIsBadHex.test(value) ? NAN : +value);
    }

    /**
     * Converts `value` to a plain object flattening inherited enumerable string
     * keyed properties of `value` to own properties of the plain object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Object} Returns the converted plain object.
     * @example
     *
     * function Foo() {
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.assign({ 'a': 1 }, new Foo);
     * // => { 'a': 1, 'b': 2 }
     *
     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
     * // => { 'a': 1, 'b': 2, 'c': 3 }
     */
    function toPlainObject(value) {
      return copyObject(value, keysIn(value));
    }

    /**
     * Converts `value` to a safe integer. A safe integer can be compared and
     * represented correctly.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toSafeInteger(3.2);
     * // => 3
     *
     * _.toSafeInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toSafeInteger(Infinity);
     * // => 9007199254740991
     *
     * _.toSafeInteger('3.2');
     * // => 3
     */
    function toSafeInteger(value) {
      return value
        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
        : (value === 0 ? value : 0);
    }

    /**
     * Converts `value` to a string. An empty string is returned for `null`
     * and `undefined` values. The sign of `-0` is preserved.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.toString(null);
     * // => ''
     *
     * _.toString(-0);
     * // => '-0'
     *
     * _.toString([1, 2, 3]);
     * // => '1,2,3'
     */
    function toString(value) {
      return value == null ? '' : baseToString(value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Assigns own enumerable string keyed properties of source objects to the
     * destination object. Source objects are applied from left to right.
     * Subsequent sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object` and is loosely based on
     * [`Object.assign`](https://mdn.io/Object/assign).
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assignIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assign({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'c': 3 }
     */
    var assign = createAssigner(function(object, source) {
      if (isPrototype(source) || isArrayLike(source)) {
        copyObject(source, keys(source), object);
        return;
      }
      for (var key in source) {
        if (hasOwnProperty.call(source, key)) {
          assignValue(object, key, source[key]);
        }
      }
    });

    /**
     * This method is like `_.assign` except that it iterates over own and
     * inherited source properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extend
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assign
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
     */
    var assignIn = createAssigner(function(object, source) {
      copyObject(source, keysIn(source), object);
    });

    /**
     * This method is like `_.assignIn` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extendWith
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignInWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keysIn(source), object, customizer);
    });

    /**
     * This method is like `_.assign` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignInWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keys(source), object, customizer);
    });

    /**
     * Creates an array of values corresponding to `paths` of `object`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Array} Returns the picked values.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _.at(object, ['a[0].b.c', 'a[1]']);
     * // => [3, 4]
     */
    var at = flatRest(baseAt);

    /**
     * Creates an object that inherits from the `prototype` object. If a
     * `properties` object is given, its own enumerable string keyed properties
     * are assigned to the created object.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Object
     * @param {Object} prototype The object to inherit from.
     * @param {Object} [properties] The properties to assign to the object.
     * @returns {Object} Returns the new object.
     * @example
     *
     * function Shape() {
     *   this.x = 0;
     *   this.y = 0;
     * }
     *
     * function Circle() {
     *   Shape.call(this);
     * }
     *
     * Circle.prototype = _.create(Shape.prototype, {
     *   'constructor': Circle
     * });
     *
     * var circle = new Circle;
     * circle instanceof Circle;
     * // => true
     *
     * circle instanceof Shape;
     * // => true
     */
    function create(prototype, properties) {
      var result = baseCreate(prototype);
      return properties == null ? result : baseAssign(result, properties);
    }

    /**
     * Assigns own and inherited enumerable string keyed properties of source
     * objects to the destination object for all destination properties that
     * resolve to `undefined`. Source objects are applied from left to right.
     * Once a property is set, additional values of the same property are ignored.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaultsDeep
     * @example
     *
     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var defaults = baseRest(function(object, sources) {
      object = Object(object);

      var index = -1;
      var length = sources.length;
      var guard = length > 2 ? sources[2] : undefined;

      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
        length = 1;
      }

      while (++index < length) {
        var source = sources[index];
        var props = keysIn(source);
        var propsIndex = -1;
        var propsLength = props.length;

        while (++propsIndex < propsLength) {
          var key = props[propsIndex];
          var value = object[key];

          if (value === undefined ||
              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
            object[key] = source[key];
          }
        }
      }

      return object;
    });

    /**
     * This method is like `_.defaults` except that it recursively assigns
     * default properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaults
     * @example
     *
     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
     * // => { 'a': { 'b': 2, 'c': 3 } }
     */
    var defaultsDeep = baseRest(function(args) {
      args.push(undefined, customDefaultsMerge);
      return apply(mergeWith, undefined, args);
    });

    /**
     * This method is like `_.find` except that it returns the key of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findKey(users, function(o) { return o.age < 40; });
     * // => 'barney' (iteration order is not guaranteed)
     *
     * // The `_.matches` iteratee shorthand.
     * _.findKey(users, { 'age': 1, 'active': true });
     * // => 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findKey(users, 'active');
     * // => 'barney'
     */
    function findKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
    }

    /**
     * This method is like `_.findKey` except that it iterates over elements of
     * a collection in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findLastKey(users, function(o) { return o.age < 40; });
     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastKey(users, { 'age': 36, 'active': true });
     * // => 'barney'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastKey(users, 'active');
     * // => 'pebbles'
     */
    function findLastKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
    }

    /**
     * Iterates over own and inherited enumerable string keyed properties of an
     * object and invokes `iteratee` for each property. The iteratee is invoked
     * with three arguments: (value, key, object). Iteratee functions may exit
     * iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forInRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forIn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
     */
    function forIn(object, iteratee) {
      return object == null
        ? object
        : baseFor(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * This method is like `_.forIn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forInRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
     */
    function forInRight(object, iteratee) {
      return object == null
        ? object
        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * Iterates over own enumerable string keyed properties of an object and
     * invokes `iteratee` for each property. The iteratee is invoked with three
     * arguments: (value, key, object). Iteratee functions may exit iteration
     * early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwnRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forOwn(object, iteratee) {
      return object && baseForOwn(object, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forOwn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwnRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
     */
    function forOwnRight(object, iteratee) {
      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
    }

    /**
     * Creates an array of function property names from own enumerable properties
     * of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functionsIn
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functions(new Foo);
     * // => ['a', 'b']
     */
    function functions(object) {
      return object == null ? [] : baseFunctions(object, keys(object));
    }

    /**
     * Creates an array of function property names from own and inherited
     * enumerable properties of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functions
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functionsIn(new Foo);
     * // => ['a', 'b', 'c']
     */
    function functionsIn(object) {
      return object == null ? [] : baseFunctions(object, keysIn(object));
    }

    /**
     * Gets the value at `path` of `object`. If the resolved value is
     * `undefined`, the `defaultValue` is returned in its place.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.get(object, 'a[0].b.c');
     * // => 3
     *
     * _.get(object, ['a', '0', 'b', 'c']);
     * // => 3
     *
     * _.get(object, 'a.b.c', 'default');
     * // => 'default'
     */
    function get(object, path, defaultValue) {
      var result = object == null ? undefined : baseGet(object, path);
      return result === undefined ? defaultValue : result;
    }

    /**
     * Checks if `path` is a direct property of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = { 'a': { 'b': 2 } };
     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.has(object, 'a');
     * // => true
     *
     * _.has(object, 'a.b');
     * // => true
     *
     * _.has(object, ['a', 'b']);
     * // => true
     *
     * _.has(other, 'a');
     * // => false
     */
    function has(object, path) {
      return object != null && hasPath(object, path, baseHas);
    }

    /**
     * Checks if `path` is a direct or inherited property of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.hasIn(object, 'a');
     * // => true
     *
     * _.hasIn(object, 'a.b');
     * // => true
     *
     * _.hasIn(object, ['a', 'b']);
     * // => true
     *
     * _.hasIn(object, 'b');
     * // => false
     */
    function hasIn(object, path) {
      return object != null && hasPath(object, path, baseHasIn);
    }

    /**
     * Creates an object composed of the inverted keys and values of `object`.
     * If `object` contains duplicate values, subsequent values overwrite
     * property assignments of previous values.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Object
     * @param {Object} object The object to invert.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invert(object);
     * // => { '1': 'c', '2': 'b' }
     */
    var invert = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      result[value] = key;
    }, constant(identity));

    /**
     * This method is like `_.invert` except that the inverted object is generated
     * from the results of running each element of `object` thru `iteratee`. The
     * corresponding inverted value of each inverted key is an array of keys
     * responsible for generating the inverted value. The iteratee is invoked
     * with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Object
     * @param {Object} object The object to invert.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invertBy(object);
     * // => { '1': ['a', 'c'], '2': ['b'] }
     *
     * _.invertBy(object, function(value) {
     *   return 'group' + value;
     * });
     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
     */
    var invertBy = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      if (hasOwnProperty.call(result, value)) {
        result[value].push(key);
      } else {
        result[value] = [key];
      }
    }, getIteratee);

    /**
     * Invokes the method at `path` of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
     *
     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
     * // => [2, 3]
     */
    var invoke = baseRest(baseInvoke);

    /**
     * Creates an array of the own enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects. See the
     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * for more details.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keys(new Foo);
     * // => ['a', 'b'] (iteration order is not guaranteed)
     *
     * _.keys('hi');
     * // => ['0', '1']
     */
    function keys(object) {
      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
    }

    /**
     * Creates an array of the own and inherited enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keysIn(new Foo);
     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
     */
    function keysIn(object) {
      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
    }

    /**
     * The opposite of `_.mapValues`; this method creates an object with the
     * same values as `object` and keys generated by running each own enumerable
     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
     * with three arguments: (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapValues
     * @example
     *
     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
     *   return key + value;
     * });
     * // => { 'a1': 1, 'b2': 2 }
     */
    function mapKeys(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, iteratee(value, key, object), value);
      });
      return result;
    }

    /**
     * Creates an object with the same keys as `object` and values generated
     * by running each own enumerable string keyed property of `object` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapKeys
     * @example
     *
     * var users = {
     *   'fred':    { 'user': 'fred',    'age': 40 },
     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
     * };
     *
     * _.mapValues(users, function(o) { return o.age; });
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     *
     * // The `_.property` iteratee shorthand.
     * _.mapValues(users, 'age');
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     */
    function mapValues(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, key, iteratee(value, key, object));
      });
      return result;
    }

    /**
     * This method is like `_.assign` except that it recursively merges own and
     * inherited enumerable string keyed properties of source objects into the
     * destination object. Source properties that resolve to `undefined` are
     * skipped if a destination value exists. Array and plain object properties
     * are merged recursively. Other objects and value types are overridden by
     * assignment. Source objects are applied from left to right. Subsequent
     * sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {
     *   'a': [{ 'b': 2 }, { 'd': 4 }]
     * };
     *
     * var other = {
     *   'a': [{ 'c': 3 }, { 'e': 5 }]
     * };
     *
     * _.merge(object, other);
     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
     */
    var merge = createAssigner(function(object, source, srcIndex) {
      baseMerge(object, source, srcIndex);
    });

    /**
     * This method is like `_.merge` except that it accepts `customizer` which
     * is invoked to produce the merged values of the destination and source
     * properties. If `customizer` returns `undefined`, merging is handled by the
     * method instead. The `customizer` is invoked with six arguments:
     * (objValue, srcValue, key, object, source, stack).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} customizer The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   if (_.isArray(objValue)) {
     *     return objValue.concat(srcValue);
     *   }
     * }
     *
     * var object = { 'a': [1], 'b': [2] };
     * var other = { 'a': [3], 'b': [4] };
     *
     * _.mergeWith(object, other, customizer);
     * // => { 'a': [1, 3], 'b': [2, 4] }
     */
    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
      baseMerge(object, source, srcIndex, customizer);
    });

    /**
     * The opposite of `_.pick`; this method creates an object composed of the
     * own and inherited enumerable property paths of `object` that are not omitted.
     *
     * **Note:** This method is considerably slower than `_.pick`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to omit.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omit(object, ['a', 'c']);
     * // => { 'b': '2' }
     */
    var omit = flatRest(function(object, paths) {
      var result = {};
      if (object == null) {
        return result;
      }
      var isDeep = false;
      paths = arrayMap(paths, function(path) {
        path = castPath(path, object);
        isDeep || (isDeep = path.length > 1);
        return path;
      });
      copyObject(object, getAllKeysIn(object), result);
      if (isDeep) {
        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
      }
      var length = paths.length;
      while (length--) {
        baseUnset(result, paths[length]);
      }
      return result;
    });

    /**
     * The opposite of `_.pickBy`; this method creates an object composed of
     * the own and inherited enumerable string keyed properties of `object` that
     * `predicate` doesn't return truthy for. The predicate is invoked with two
     * arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omitBy(object, _.isNumber);
     * // => { 'b': '2' }
     */
    function omitBy(object, predicate) {
      return pickBy(object, negate(getIteratee(predicate)));
    }

    /**
     * Creates an object composed of the picked `object` properties.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pick(object, ['a', 'c']);
     * // => { 'a': 1, 'c': 3 }
     */
    var pick = flatRest(function(object, paths) {
      return object == null ? {} : basePick(object, paths);
    });

    /**
     * Creates an object composed of the `object` properties `predicate` returns
     * truthy for. The predicate is invoked with two arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pickBy(object, _.isNumber);
     * // => { 'a': 1, 'c': 3 }
     */
    function pickBy(object, predicate) {
      if (object == null) {
        return {};
      }
      var props = arrayMap(getAllKeysIn(object), function(prop) {
        return [prop];
      });
      predicate = getIteratee(predicate);
      return basePickBy(object, props, function(value, path) {
        return predicate(value, path[0]);
      });
    }

    /**
     * This method is like `_.get` except that if the resolved value is a
     * function it's invoked with the `this` binding of its parent object and
     * its result is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to resolve.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
     *
     * _.result(object, 'a[0].b.c1');
     * // => 3
     *
     * _.result(object, 'a[0].b.c2');
     * // => 4
     *
     * _.result(object, 'a[0].b.c3', 'default');
     * // => 'default'
     *
     * _.result(object, 'a[0].b.c3', _.constant('default'));
     * // => 'default'
     */
    function result(object, path, defaultValue) {
      path = castPath(path, object);

      var index = -1,
          length = path.length;

      // Ensure the loop is entered when path is empty.
      if (!length) {
        length = 1;
        object = undefined;
      }
      while (++index < length) {
        var value = object == null ? undefined : object[toKey(path[index])];
        if (value === undefined) {
          index = length;
          value = defaultValue;
        }
        object = isFunction(value) ? value.call(object) : value;
      }
      return object;
    }

    /**
     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
     * it's created. Arrays are created for missing index properties while objects
     * are created for all other missing properties. Use `_.setWith` to customize
     * `path` creation.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.set(object, 'a[0].b.c', 4);
     * console.log(object.a[0].b.c);
     * // => 4
     *
     * _.set(object, ['x', '0', 'y', 'z'], 5);
     * console.log(object.x[0].y.z);
     * // => 5
     */
    function set(object, path, value) {
      return object == null ? object : baseSet(object, path, value);
    }

    /**
     * This method is like `_.set` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.setWith(object, '[0][1]', 'a', Object);
     * // => { '0': { '1': 'a' } }
     */
    function setWith(object, path, value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseSet(object, path, value, customizer);
    }

    /**
     * Creates an array of own enumerable string keyed-value pairs for `object`
     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
     * entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entries
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairs(new Foo);
     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
     */
    var toPairs = createToPairs(keys);

    /**
     * Creates an array of own and inherited enumerable string keyed-value pairs
     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
     * or set, its entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entriesIn
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairsIn(new Foo);
     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
     */
    var toPairsIn = createToPairs(keysIn);

    /**
     * An alternative to `_.reduce`; this method transforms `object` to a new
     * `accumulator` object which is the result of running each of its own
     * enumerable string keyed properties thru `iteratee`, with each invocation
     * potentially mutating the `accumulator` object. If `accumulator` is not
     * provided, a new object with the same `[[Prototype]]` will be used. The
     * iteratee is invoked with four arguments: (accumulator, value, key, object).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The custom accumulator value.
     * @returns {*} Returns the accumulated value.
     * @example
     *
     * _.transform([2, 3, 4], function(result, n) {
     *   result.push(n *= n);
     *   return n % 2 == 0;
     * }, []);
     * // => [4, 9]
     *
     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] }
     */
    function transform(object, iteratee, accumulator) {
      var isArr = isArray(object),
          isArrLike = isArr || isBuffer(object) || isTypedArray(object);

      iteratee = getIteratee(iteratee, 4);
      if (accumulator == null) {
        var Ctor = object && object.constructor;
        if (isArrLike) {
          accumulator = isArr ? new Ctor : [];
        }
        else if (isObject(object)) {
          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
        }
        else {
          accumulator = {};
        }
      }
      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
        return iteratee(accumulator, value, index, object);
      });
      return accumulator;
    }

    /**
     * Removes the property at `path` of `object`.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
     * _.unset(object, 'a[0].b.c');
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     *
     * _.unset(object, ['a', '0', 'b', 'c']);
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     */
    function unset(object, path) {
      return object == null ? true : baseUnset(object, path);
    }

    /**
     * This method is like `_.set` except that accepts `updater` to produce the
     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
     * is invoked with one argument: (value).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
     * console.log(object.a[0].b.c);
     * // => 9
     *
     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
     * console.log(object.x[0].y.z);
     * // => 0
     */
    function update(object, path, updater) {
      return object == null ? object : baseUpdate(object, path, castFunction(updater));
    }

    /**
     * This method is like `_.update` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
     * // => { '0': { '1': 'a' } }
     */
    function updateWith(object, path, updater, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
    }

    /**
     * Creates an array of the own enumerable string keyed property values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.values(new Foo);
     * // => [1, 2] (iteration order is not guaranteed)
     *
     * _.values('hi');
     * // => ['h', 'i']
     */
    function values(object) {
      return object == null ? [] : baseValues(object, keys(object));
    }

    /**
     * Creates an array of the own and inherited enumerable string keyed property
     * values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.valuesIn(new Foo);
     * // => [1, 2, 3] (iteration order is not guaranteed)
     */
    function valuesIn(object) {
      return object == null ? [] : baseValues(object, keysIn(object));
    }

    /*------------------------------------------------------------------------*/

    /**
     * Clamps `number` within the inclusive `lower` and `upper` bounds.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Number
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     * @example
     *
     * _.clamp(-10, -5, 5);
     * // => -5
     *
     * _.clamp(10, -5, 5);
     * // => 5
     */
    function clamp(number, lower, upper) {
      if (upper === undefined) {
        upper = lower;
        lower = undefined;
      }
      if (upper !== undefined) {
        upper = toNumber(upper);
        upper = upper === upper ? upper : 0;
      }
      if (lower !== undefined) {
        lower = toNumber(lower);
        lower = lower === lower ? lower : 0;
      }
      return baseClamp(toNumber(number), lower, upper);
    }

    /**
     * Checks if `n` is between `start` and up to, but not including, `end`. If
     * `end` is not specified, it's set to `start` with `start` then set to `0`.
     * If `start` is greater than `end` the params are swapped to support
     * negative ranges.
     *
     * @static
     * @memberOf _
     * @since 3.3.0
     * @category Number
     * @param {number} number The number to check.
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     * @see _.range, _.rangeRight
     * @example
     *
     * _.inRange(3, 2, 4);
     * // => true
     *
     * _.inRange(4, 8);
     * // => true
     *
     * _.inRange(4, 2);
     * // => false
     *
     * _.inRange(2, 2);
     * // => false
     *
     * _.inRange(1.2, 2);
     * // => true
     *
     * _.inRange(5.2, 4);
     * // => false
     *
     * _.inRange(-3, -2, -6);
     * // => true
     */
    function inRange(number, start, end) {
      start = toFinite(start);
      if (end === undefined) {
        end = start;
        start = 0;
      } else {
        end = toFinite(end);
      }
      number = toNumber(number);
      return baseInRange(number, start, end);
    }

    /**
     * Produces a random number between the inclusive `lower` and `upper` bounds.
     * If only one argument is provided a number between `0` and the given number
     * is returned. If `floating` is `true`, or either `lower` or `upper` are
     * floats, a floating-point number is returned instead of an integer.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Number
     * @param {number} [lower=0] The lower bound.
     * @param {number} [upper=1] The upper bound.
     * @param {boolean} [floating] Specify returning a floating-point number.
     * @returns {number} Returns the random number.
     * @example
     *
     * _.random(0, 5);
     * // => an integer between 0 and 5
     *
     * _.random(5);
     * // => also an integer between 0 and 5
     *
     * _.random(5, true);
     * // => a floating-point number between 0 and 5
     *
     * _.random(1.2, 5.2);
     * // => a floating-point number between 1.2 and 5.2
     */
    function random(lower, upper, floating) {
      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
        upper = floating = undefined;
      }
      if (floating === undefined) {
        if (typeof upper == 'boolean') {
          floating = upper;
          upper = undefined;
        }
        else if (typeof lower == 'boolean') {
          floating = lower;
          lower = undefined;
        }
      }
      if (lower === undefined && upper === undefined) {
        lower = 0;
        upper = 1;
      }
      else {
        lower = toFinite(lower);
        if (upper === undefined) {
          upper = lower;
          lower = 0;
        } else {
          upper = toFinite(upper);
        }
      }
      if (lower > upper) {
        var temp = lower;
        lower = upper;
        upper = temp;
      }
      if (floating || lower % 1 || upper % 1) {
        var rand = nativeRandom();
        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
      }
      return baseRandom(lower, upper);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the camel cased string.
     * @example
     *
     * _.camelCase('Foo Bar');
     * // => 'fooBar'
     *
     * _.camelCase('--foo-bar--');
     * // => 'fooBar'
     *
     * _.camelCase('__FOO_BAR__');
     * // => 'fooBar'
     */
    var camelCase = createCompounder(function(result, word, index) {
      word = word.toLowerCase();
      return result + (index ? capitalize(word) : word);
    });

    /**
     * Converts the first character of `string` to upper case and the remaining
     * to lower case.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to capitalize.
     * @returns {string} Returns the capitalized string.
     * @example
     *
     * _.capitalize('FRED');
     * // => 'Fred'
     */
    function capitalize(string) {
      return upperFirst(toString(string).toLowerCase());
    }

    /**
     * Deburrs `string` by converting
     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     * letters to basic Latin letters and removing
     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to deburr.
     * @returns {string} Returns the deburred string.
     * @example
     *
     * _.deburr('déjà vu');
     * // => 'deja vu'
     */
    function deburr(string) {
      string = toString(string);
      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
    }

    /**
     * Checks if `string` ends with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=string.length] The position to search up to.
     * @returns {boolean} Returns `true` if `string` ends with `target`,
     *  else `false`.
     * @example
     *
     * _.endsWith('abc', 'c');
     * // => true
     *
     * _.endsWith('abc', 'b');
     * // => false
     *
     * _.endsWith('abc', 'b', 2);
     * // => true
     */
    function endsWith(string, target, position) {
      string = toString(string);
      target = baseToString(target);

      var length = string.length;
      position = position === undefined
        ? length
        : baseClamp(toInteger(position), 0, length);

      var end = position;
      position -= target.length;
      return position >= 0 && string.slice(position, end) == target;
    }

    /**
     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
     * corresponding HTML entities.
     *
     * **Note:** No other characters are escaped. To escape additional
     * characters use a third-party library like [_he_](https://mths.be/he).
     *
     * Though the ">" character is escaped for symmetry, characters like
     * ">" and "/" don't need escaping in HTML and have no special meaning
     * unless they're part of a tag or unquoted attribute value. See
     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
     * (under "semi-related fun fact") for more details.
     *
     * When working with HTML you should always
     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
     * XSS vectors.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escape('fred, barney, & pebbles');
     * // => 'fred, barney, &amp; pebbles'
     */
    function escape(string) {
      string = toString(string);
      return (string && reHasUnescapedHtml.test(string))
        ? string.replace(reUnescapedHtml, escapeHtmlChar)
        : string;
    }

    /**
     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escapeRegExp('[lodash](https://lodash.com/)');
     * // => '\[lodash\]\(https://lodash\.com/\)'
     */
    function escapeRegExp(string) {
      string = toString(string);
      return (string && reHasRegExpChar.test(string))
        ? string.replace(reRegExpChar, '\\$&')
        : string;
    }

    /**
     * Converts `string` to
     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the kebab cased string.
     * @example
     *
     * _.kebabCase('Foo Bar');
     * // => 'foo-bar'
     *
     * _.kebabCase('fooBar');
     * // => 'foo-bar'
     *
     * _.kebabCase('__FOO_BAR__');
     * // => 'foo-bar'
     */
    var kebabCase = createCompounder(function(result, word, index) {
      return result + (index ? '-' : '') + word.toLowerCase();
    });

    /**
     * Converts `string`, as space separated words, to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.lowerCase('--Foo-Bar--');
     * // => 'foo bar'
     *
     * _.lowerCase('fooBar');
     * // => 'foo bar'
     *
     * _.lowerCase('__FOO_BAR__');
     * // => 'foo bar'
     */
    var lowerCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toLowerCase();
    });

    /**
     * Converts the first character of `string` to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.lowerFirst('Fred');
     * // => 'fred'
     *
     * _.lowerFirst('FRED');
     * // => 'fRED'
     */
    var lowerFirst = createCaseFirst('toLowerCase');

    /**
     * Pads `string` on the left and right sides if it's shorter than `length`.
     * Padding characters are truncated if they can't be evenly divided by `length`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.pad('abc', 8);
     * // => '  abc   '
     *
     * _.pad('abc', 8, '_-');
     * // => '_-abc_-_'
     *
     * _.pad('abc', 3);
     * // => 'abc'
     */
    function pad(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      if (!length || strLength >= length) {
        return string;
      }
      var mid = (length - strLength) / 2;
      return (
        createPadding(nativeFloor(mid), chars) +
        string +
        createPadding(nativeCeil(mid), chars)
      );
    }

    /**
     * Pads `string` on the right side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padEnd('abc', 6);
     * // => 'abc   '
     *
     * _.padEnd('abc', 6, '_-');
     * // => 'abc_-_'
     *
     * _.padEnd('abc', 3);
     * // => 'abc'
     */
    function padEnd(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (string + createPadding(length - strLength, chars))
        : string;
    }

    /**
     * Pads `string` on the left side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padStart('abc', 6);
     * // => '   abc'
     *
     * _.padStart('abc', 6, '_-');
     * // => '_-_abc'
     *
     * _.padStart('abc', 3);
     * // => 'abc'
     */
    function padStart(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (createPadding(length - strLength, chars) + string)
        : string;
    }

    /**
     * Converts `string` to an integer of the specified radix. If `radix` is
     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
     * hexadecimal, in which case a `radix` of `16` is used.
     *
     * **Note:** This method aligns with the
     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category String
     * @param {string} string The string to convert.
     * @param {number} [radix=10] The radix to interpret `value` by.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.parseInt('08');
     * // => 8
     *
     * _.map(['6', '08', '10'], _.parseInt);
     * // => [6, 8, 10]
     */
    function parseInt(string, radix, guard) {
      if (guard || radix == null) {
        radix = 0;
      } else if (radix) {
        radix = +radix;
      }
      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
    }

    /**
     * Repeats the given string `n` times.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to repeat.
     * @param {number} [n=1] The number of times to repeat the string.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the repeated string.
     * @example
     *
     * _.repeat('*', 3);
     * // => '***'
     *
     * _.repeat('abc', 2);
     * // => 'abcabc'
     *
     * _.repeat('abc', 0);
     * // => ''
     */
    function repeat(string, n, guard) {
      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      return baseRepeat(toString(string), n);
    }

    /**
     * Replaces matches for `pattern` in `string` with `replacement`.
     *
     * **Note:** This method is based on
     * [`String#replace`](https://mdn.io/String/replace).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to modify.
     * @param {RegExp|string} pattern The pattern to replace.
     * @param {Function|string} replacement The match replacement.
     * @returns {string} Returns the modified string.
     * @example
     *
     * _.replace('Hi Fred', 'Fred', 'Barney');
     * // => 'Hi Barney'
     */
    function replace() {
      var args = arguments,
          string = toString(args[0]);

      return args.length < 3 ? string : string.replace(args[1], args[2]);
    }

    /**
     * Converts `string` to
     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the snake cased string.
     * @example
     *
     * _.snakeCase('Foo Bar');
     * // => 'foo_bar'
     *
     * _.snakeCase('fooBar');
     * // => 'foo_bar'
     *
     * _.snakeCase('--FOO-BAR--');
     * // => 'foo_bar'
     */
    var snakeCase = createCompounder(function(result, word, index) {
      return result + (index ? '_' : '') + word.toLowerCase();
    });

    /**
     * Splits `string` by `separator`.
     *
     * **Note:** This method is based on
     * [`String#split`](https://mdn.io/String/split).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to split.
     * @param {RegExp|string} separator The separator pattern to split by.
     * @param {number} [limit] The length to truncate results to.
     * @returns {Array} Returns the string segments.
     * @example
     *
     * _.split('a-b-c', '-', 2);
     * // => ['a', 'b']
     */
    function split(string, separator, limit) {
      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
        separator = limit = undefined;
      }
      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
      if (!limit) {
        return [];
      }
      string = toString(string);
      if (string && (
            typeof separator == 'string' ||
            (separator != null && !isRegExp(separator))
          )) {
        separator = baseToString(separator);
        if (!separator && hasUnicode(string)) {
          return castSlice(stringToArray(string), 0, limit);
        }
      }
      return string.split(separator, limit);
    }

    /**
     * Converts `string` to
     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
     *
     * @static
     * @memberOf _
     * @since 3.1.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the start cased string.
     * @example
     *
     * _.startCase('--foo-bar--');
     * // => 'Foo Bar'
     *
     * _.startCase('fooBar');
     * // => 'Foo Bar'
     *
     * _.startCase('__FOO_BAR__');
     * // => 'FOO BAR'
     */
    var startCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + upperFirst(word);
    });

    /**
     * Checks if `string` starts with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=0] The position to search from.
     * @returns {boolean} Returns `true` if `string` starts with `target`,
     *  else `false`.
     * @example
     *
     * _.startsWith('abc', 'a');
     * // => true
     *
     * _.startsWith('abc', 'b');
     * // => false
     *
     * _.startsWith('abc', 'b', 1);
     * // => true
     */
    function startsWith(string, target, position) {
      string = toString(string);
      position = position == null
        ? 0
        : baseClamp(toInteger(position), 0, string.length);

      target = baseToString(target);
      return string.slice(position, position + target.length) == target;
    }

    /**
     * Creates a compiled template function that can interpolate data properties
     * in "interpolate" delimiters, HTML-escape interpolated data properties in
     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
     * properties may be accessed as free variables in the template. If a setting
     * object is given, it takes precedence over `_.templateSettings` values.
     *
     * **Note:** In the development build `_.template` utilizes
     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
     * for easier debugging.
     *
     * For more information on precompiling templates see
     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
     *
     * For more information on Chrome extension sandboxes see
     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The template string.
     * @param {Object} [options={}] The options object.
     * @param {RegExp} [options.escape=_.templateSettings.escape]
     *  The HTML "escape" delimiter.
     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
     *  The "evaluate" delimiter.
     * @param {Object} [options.imports=_.templateSettings.imports]
     *  An object to import into the template as free variables.
     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
     *  The "interpolate" delimiter.
     * @param {string} [options.sourceURL='lodash.templateSources[n]']
     *  The sourceURL of the compiled template.
     * @param {string} [options.variable='obj']
     *  The data object variable name.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the compiled template function.
     * @example
     *
     * // Use the "interpolate" delimiter to create a compiled template.
     * var compiled = _.template('hello <%= user %>!');
     * compiled({ 'user': 'fred' });
     * // => 'hello fred!'
     *
     * // Use the HTML "escape" delimiter to escape data property values.
     * var compiled = _.template('<b><%- value %></b>');
     * compiled({ 'value': '<script>' });
     * // => '<b>&lt;script&gt;</b>'
     *
     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the internal `print` function in "evaluate" delimiters.
     * var compiled = _.template('<% print("hello " + user); %>!');
     * compiled({ 'user': 'barney' });
     * // => 'hello barney!'
     *
     * // Use the ES template literal delimiter as an "interpolate" delimiter.
     * // Disable support by replacing the "interpolate" delimiter.
     * var compiled = _.template('hello ${ user }!');
     * compiled({ 'user': 'pebbles' });
     * // => 'hello pebbles!'
     *
     * // Use backslashes to treat delimiters as plain text.
     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
     * compiled({ 'value': 'ignored' });
     * // => '<%- value %>'
     *
     * // Use the `imports` option to import `jQuery` as `jq`.
     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
     * compiled(data);
     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
     *
     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
     * compiled.source;
     * // => function(data) {
     * //   var __t, __p = '';
     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
     * //   return __p;
     * // }
     *
     * // Use custom template delimiters.
     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
     * var compiled = _.template('hello {{ user }}!');
     * compiled({ 'user': 'mustache' });
     * // => 'hello mustache!'
     *
     * // Use the `source` property to inline compiled templates for meaningful
     * // line numbers in error messages and stack traces.
     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
     *   var JST = {\
     *     "main": ' + _.template(mainText).source + '\
     *   };\
     * ');
     */
    function template(string, options, guard) {
      // Based on John Resig's `tmpl` implementation
      // (http://ejohn.org/blog/javascript-micro-templating/)
      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
      var settings = lodash.templateSettings;

      if (guard && isIterateeCall(string, options, guard)) {
        options = undefined;
      }
      string = toString(string);
      options = assignInWith({}, options, settings, customDefaultsAssignIn);

      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
          importsKeys = keys(imports),
          importsValues = baseValues(imports, importsKeys);

      var isEscaping,
          isEvaluating,
          index = 0,
          interpolate = options.interpolate || reNoMatch,
          source = "__p += '";

      // Compile the regexp to match each delimiter.
      var reDelimiters = RegExp(
        (options.escape || reNoMatch).source + '|' +
        interpolate.source + '|' +
        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
        (options.evaluate || reNoMatch).source + '|$'
      , 'g');

      // Use a sourceURL for easier debugging.
      // The sourceURL gets injected into the source that's eval-ed, so be careful
      // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in
      // and escape the comment, thus injecting code that gets evaled.
      var sourceURL = '//# sourceURL=' +
        (hasOwnProperty.call(options, 'sourceURL')
          ? (options.sourceURL + '').replace(/\s/g, ' ')
          : ('lodash.templateSources[' + (++templateCounter) + ']')
        ) + '\n';

      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
        interpolateValue || (interpolateValue = esTemplateValue);

        // Escape characters that can't be included in string literals.
        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

        // Replace delimiters with snippets.
        if (escapeValue) {
          isEscaping = true;
          source += "' +\n__e(" + escapeValue + ") +\n'";
        }
        if (evaluateValue) {
          isEvaluating = true;
          source += "';\n" + evaluateValue + ";\n__p += '";
        }
        if (interpolateValue) {
          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
        }
        index = offset + match.length;

        // The JS engine embedded in Adobe products needs `match` returned in
        // order to produce the correct `offset` value.
        return match;
      });

      source += "';\n";

      // If `variable` is not specified wrap a with-statement around the generated
      // code to add the data object to the top of the scope chain.
      var variable = hasOwnProperty.call(options, 'variable') && options.variable;
      if (!variable) {
        source = 'with (obj) {\n' + source + '\n}\n';
      }
      // Throw an error if a forbidden character was found in `variable`, to prevent
      // potential command injection attacks.
      else if (reForbiddenIdentifierChars.test(variable)) {
        throw new Error(INVALID_TEMPL_VAR_ERROR_TEXT);
      }

      // Cleanup code by stripping empty strings.
      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
        .replace(reEmptyStringMiddle, '$1')
        .replace(reEmptyStringTrailing, '$1;');

      // Frame code as the function body.
      source = 'function(' + (variable || 'obj') + ') {\n' +
        (variable
          ? ''
          : 'obj || (obj = {});\n'
        ) +
        "var __t, __p = ''" +
        (isEscaping
           ? ', __e = _.escape'
           : ''
        ) +
        (isEvaluating
          ? ', __j = Array.prototype.join;\n' +
            "function print() { __p += __j.call(arguments, '') }\n"
          : ';\n'
        ) +
        source +
        'return __p\n}';

      var result = attempt(function() {
        return Function(importsKeys, sourceURL + 'return ' + source)
          .apply(undefined, importsValues);
      });

      // Provide the compiled function's source by its `toString` method or
      // the `source` property as a convenience for inlining compiled templates.
      result.source = source;
      if (isError(result)) {
        throw result;
      }
      return result;
    }

    /**
     * Converts `string`, as a whole, to lower case just like
     * [String#toLowerCase](https://mdn.io/toLowerCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.toLower('--Foo-Bar--');
     * // => '--foo-bar--'
     *
     * _.toLower('fooBar');
     * // => 'foobar'
     *
     * _.toLower('__FOO_BAR__');
     * // => '__foo_bar__'
     */
    function toLower(value) {
      return toString(value).toLowerCase();
    }

    /**
     * Converts `string`, as a whole, to upper case just like
     * [String#toUpperCase](https://mdn.io/toUpperCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.toUpper('--foo-bar--');
     * // => '--FOO-BAR--'
     *
     * _.toUpper('fooBar');
     * // => 'FOOBAR'
     *
     * _.toUpper('__foo_bar__');
     * // => '__FOO_BAR__'
     */
    function toUpper(value) {
      return toString(value).toUpperCase();
    }

    /**
     * Removes leading and trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trim('  abc  ');
     * // => 'abc'
     *
     * _.trim('-_-abc-_-', '_-');
     * // => 'abc'
     *
     * _.map(['  foo  ', '  bar  '], _.trim);
     * // => ['foo', 'bar']
     */
    function trim(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return baseTrim(string);
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          chrSymbols = stringToArray(chars),
          start = charsStartIndex(strSymbols, chrSymbols),
          end = charsEndIndex(strSymbols, chrSymbols) + 1;

      return castSlice(strSymbols, start, end).join('');
    }

    /**
     * Removes trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimEnd('  abc  ');
     * // => '  abc'
     *
     * _.trimEnd('-_-abc-_-', '_-');
     * // => '-_-abc'
     */
    function trimEnd(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.slice(0, trimmedEndIndex(string) + 1);
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

      return castSlice(strSymbols, 0, end).join('');
    }

    /**
     * Removes leading whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimStart('  abc  ');
     * // => 'abc  '
     *
     * _.trimStart('-_-abc-_-', '_-');
     * // => 'abc-_-'
     */
    function trimStart(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimStart, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          start = charsStartIndex(strSymbols, stringToArray(chars));

      return castSlice(strSymbols, start).join('');
    }

    /**
     * Truncates `string` if it's longer than the given maximum string length.
     * The last characters of the truncated string are replaced with the omission
     * string which defaults to "...".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to truncate.
     * @param {Object} [options={}] The options object.
     * @param {number} [options.length=30] The maximum string length.
     * @param {string} [options.omission='...'] The string to indicate text is omitted.
     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
     * @returns {string} Returns the truncated string.
     * @example
     *
     * _.truncate('hi-diddly-ho there, neighborino');
     * // => 'hi-diddly-ho there, neighbo...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': ' '
     * });
     * // => 'hi-diddly-ho there,...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': /,? +/
     * });
     * // => 'hi-diddly-ho there...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'omission': ' [...]'
     * });
     * // => 'hi-diddly-ho there, neig [...]'
     */
    function truncate(string, options) {
      var length = DEFAULT_TRUNC_LENGTH,
          omission = DEFAULT_TRUNC_OMISSION;

      if (isObject(options)) {
        var separator = 'separator' in options ? options.separator : separator;
        length = 'length' in options ? toInteger(options.length) : length;
        omission = 'omission' in options ? baseToString(options.omission) : omission;
      }
      string = toString(string);

      var strLength = string.length;
      if (hasUnicode(string)) {
        var strSymbols = stringToArray(string);
        strLength = strSymbols.length;
      }
      if (length >= strLength) {
        return string;
      }
      var end = length - stringSize(omission);
      if (end < 1) {
        return omission;
      }
      var result = strSymbols
        ? castSlice(strSymbols, 0, end).join('')
        : string.slice(0, end);

      if (separator === undefined) {
        return result + omission;
      }
      if (strSymbols) {
        end += (result.length - end);
      }
      if (isRegExp(separator)) {
        if (string.slice(end).search(separator)) {
          var match,
              substring = result;

          if (!separator.global) {
            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
          }
          separator.lastIndex = 0;
          while ((match = separator.exec(substring))) {
            var newEnd = match.index;
          }
          result = result.slice(0, newEnd === undefined ? end : newEnd);
        }
      } else if (string.indexOf(baseToString(separator), end) != end) {
        var index = result.lastIndexOf(separator);
        if (index > -1) {
          result = result.slice(0, index);
        }
      }
      return result + omission;
    }

    /**
     * The inverse of `_.escape`; this method converts the HTML entities
     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
     * their corresponding characters.
     *
     * **Note:** No other HTML entities are unescaped. To unescape additional
     * HTML entities use a third-party library like [_he_](https://mths.be/he).
     *
     * @static
     * @memberOf _
     * @since 0.6.0
     * @category String
     * @param {string} [string=''] The string to unescape.
     * @returns {string} Returns the unescaped string.
     * @example
     *
     * _.unescape('fred, barney, &amp; pebbles');
     * // => 'fred, barney, & pebbles'
     */
    function unescape(string) {
      string = toString(string);
      return (string && reHasEscapedHtml.test(string))
        ? string.replace(reEscapedHtml, unescapeHtmlChar)
        : string;
    }

    /**
     * Converts `string`, as space separated words, to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.upperCase('--foo-bar');
     * // => 'FOO BAR'
     *
     * _.upperCase('fooBar');
     * // => 'FOO BAR'
     *
     * _.upperCase('__foo_bar__');
     * // => 'FOO BAR'
     */
    var upperCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toUpperCase();
    });

    /**
     * Converts the first character of `string` to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.upperFirst('fred');
     * // => 'Fred'
     *
     * _.upperFirst('FRED');
     * // => 'FRED'
     */
    var upperFirst = createCaseFirst('toUpperCase');

    /**
     * Splits `string` into an array of its words.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {RegExp|string} [pattern] The pattern to match words.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the words of `string`.
     * @example
     *
     * _.words('fred, barney, & pebbles');
     * // => ['fred', 'barney', 'pebbles']
     *
     * _.words('fred, barney, & pebbles', /[^, ]+/g);
     * // => ['fred', 'barney', '&', 'pebbles']
     */
    function words(string, pattern, guard) {
      string = toString(string);
      pattern = guard ? undefined : pattern;

      if (pattern === undefined) {
        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
      }
      return string.match(pattern) || [];
    }

    /*------------------------------------------------------------------------*/

    /**
     * Attempts to invoke `func`, returning either the result or the caught error
     * object. Any additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Function} func The function to attempt.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {*} Returns the `func` result or error object.
     * @example
     *
     * // Avoid throwing errors for invalid selectors.
     * var elements = _.attempt(function(selector) {
     *   return document.querySelectorAll(selector);
     * }, '>_>');
     *
     * if (_.isError(elements)) {
     *   elements = [];
     * }
     */
    var attempt = baseRest(function(func, args) {
      try {
        return apply(func, undefined, args);
      } catch (e) {
        return isError(e) ? e : new Error(e);
      }
    });

    /**
     * Binds methods of an object to the object itself, overwriting the existing
     * method.
     *
     * **Note:** This method doesn't set the "length" property of bound functions.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Object} object The object to bind and assign the bound methods to.
     * @param {...(string|string[])} methodNames The object method names to bind.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var view = {
     *   'label': 'docs',
     *   'click': function() {
     *     console.log('clicked ' + this.label);
     *   }
     * };
     *
     * _.bindAll(view, ['click']);
     * jQuery(element).on('click', view.click);
     * // => Logs 'clicked docs' when clicked.
     */
    var bindAll = flatRest(function(object, methodNames) {
      arrayEach(methodNames, function(key) {
        key = toKey(key);
        baseAssignValue(object, key, bind(object[key], object));
      });
      return object;
    });

    /**
     * Creates a function that iterates over `pairs` and invokes the corresponding
     * function of the first predicate to return truthy. The predicate-function
     * pairs are invoked with the `this` binding and arguments of the created
     * function.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Array} pairs The predicate-function pairs.
     * @returns {Function} Returns the new composite function.
     * @example
     *
     * var func = _.cond([
     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
     *   [_.stubTrue,                      _.constant('no match')]
     * ]);
     *
     * func({ 'a': 1, 'b': 2 });
     * // => 'matches A'
     *
     * func({ 'a': 0, 'b': 1 });
     * // => 'matches B'
     *
     * func({ 'a': '1', 'b': '2' });
     * // => 'no match'
     */
    function cond(pairs) {
      var length = pairs == null ? 0 : pairs.length,
          toIteratee = getIteratee();

      pairs = !length ? [] : arrayMap(pairs, function(pair) {
        if (typeof pair[1] != 'function') {
          throw new TypeError(FUNC_ERROR_TEXT);
        }
        return [toIteratee(pair[0]), pair[1]];
      });

      return baseRest(function(args) {
        var index = -1;
        while (++index < length) {
          var pair = pairs[index];
          if (apply(pair[0], this, args)) {
            return apply(pair[1], this, args);
          }
        }
      });
    }

    /**
     * Creates a function that invokes the predicate properties of `source` with
     * the corresponding property values of a given object, returning `true` if
     * all predicates return truthy, else `false`.
     *
     * **Note:** The created function is equivalent to `_.conformsTo` with
     * `source` partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 2, 'b': 1 },
     *   { 'a': 1, 'b': 2 }
     * ];
     *
     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
     * // => [{ 'a': 1, 'b': 2 }]
     */
    function conforms(source) {
      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that returns `value`.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {*} value The value to return from the new function.
     * @returns {Function} Returns the new constant function.
     * @example
     *
     * var objects = _.times(2, _.constant({ 'a': 1 }));
     *
     * console.log(objects);
     * // => [{ 'a': 1 }, { 'a': 1 }]
     *
     * console.log(objects[0] === objects[1]);
     * // => true
     */
    function constant(value) {
      return function() {
        return value;
      };
    }

    /**
     * Checks `value` to determine whether a default value should be returned in
     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
     * or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Util
     * @param {*} value The value to check.
     * @param {*} defaultValue The default value.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * _.defaultTo(1, 10);
     * // => 1
     *
     * _.defaultTo(undefined, 10);
     * // => 10
     */
    function defaultTo(value, defaultValue) {
      return (value == null || value !== value) ? defaultValue : value;
    }

    /**
     * Creates a function that returns the result of invoking the given functions
     * with the `this` binding of the created function, where each successive
     * invocation is supplied the return value of the previous.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flowRight
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flow([_.add, square]);
     * addSquare(1, 2);
     * // => 9
     */
    var flow = createFlow();

    /**
     * This method is like `_.flow` except that it creates a function that
     * invokes the given functions from right to left.
     *
     * @static
     * @since 3.0.0
     * @memberOf _
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flow
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flowRight([square, _.add]);
     * addSquare(1, 2);
     * // => 9
     */
    var flowRight = createFlow(true);

    /**
     * This method returns the first argument it receives.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {*} value Any value.
     * @returns {*} Returns `value`.
     * @example
     *
     * var object = { 'a': 1 };
     *
     * console.log(_.identity(object) === object);
     * // => true
     */
    function identity(value) {
      return value;
    }

    /**
     * Creates a function that invokes `func` with the arguments of the created
     * function. If `func` is a property name, the created function returns the
     * property value for a given element. If `func` is an array or object, the
     * created function returns `true` for elements that contain the equivalent
     * source properties, otherwise it returns `false`.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Util
     * @param {*} [func=_.identity] The value to convert to a callback.
     * @returns {Function} Returns the callback.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, _.iteratee(['user', 'fred']));
     * // => [{ 'user': 'fred', 'age': 40 }]
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, _.iteratee('user'));
     * // => ['barney', 'fred']
     *
     * // Create custom iteratee shorthands.
     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
     *     return func.test(string);
     *   };
     * });
     *
     * _.filter(['abc', 'def'], /ef/);
     * // => ['def']
     */
    function iteratee(func) {
      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between a given
     * object and `source`, returning `true` if the given object has equivalent
     * property values, else `false`.
     *
     * **Note:** The created function is equivalent to `_.isMatch` with `source`
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matches(source) {
      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between the
     * value at `path` of a given object to `srcValue`, returning `true` if the
     * object value is equivalent, else `false`.
     *
     * **Note:** Partial comparisons will match empty array and empty object
     * `srcValue` values against any array or object value, respectively. See
     * `_.isEqual` for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.find(objects, _.matchesProperty('a', 4));
     * // => { 'a': 4, 'b': 5, 'c': 6 }
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matchesProperty(path, srcValue) {
      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that invokes the method at `path` of a given object.
     * Any additional arguments are provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': _.constant(2) } },
     *   { 'a': { 'b': _.constant(1) } }
     * ];
     *
     * _.map(objects, _.method('a.b'));
     * // => [2, 1]
     *
     * _.map(objects, _.method(['a', 'b']));
     * // => [2, 1]
     */
    var method = baseRest(function(path, args) {
      return function(object) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * The opposite of `_.method`; this method creates a function that invokes
     * the method at a given path of `object`. Any additional arguments are
     * provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Object} object The object to query.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var array = _.times(3, _.constant),
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
     * // => [2, 0]
     */
    var methodOf = baseRest(function(object, args) {
      return function(path) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * Adds all own enumerable string keyed function properties of a source
     * object to the destination object. If `object` is a function, then methods
     * are added to its prototype as well.
     *
     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
     * avoid conflicts caused by modifying the original.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Function|Object} [object=lodash] The destination object.
     * @param {Object} source The object of functions to add.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
     * @returns {Function|Object} Returns `object`.
     * @example
     *
     * function vowels(string) {
     *   return _.filter(string, function(v) {
     *     return /[aeiou]/i.test(v);
     *   });
     * }
     *
     * _.mixin({ 'vowels': vowels });
     * _.vowels('fred');
     * // => ['e']
     *
     * _('fred').vowels().value();
     * // => ['e']
     *
     * _.mixin({ 'vowels': vowels }, { 'chain': false });
     * _('fred').vowels();
     * // => ['e']
     */
    function mixin(object, source, options) {
      var props = keys(source),
          methodNames = baseFunctions(source, props);

      if (options == null &&
          !(isObject(source) && (methodNames.length || !props.length))) {
        options = source;
        source = object;
        object = this;
        methodNames = baseFunctions(source, keys(source));
      }
      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
          isFunc = isFunction(object);

      arrayEach(methodNames, function(methodName) {
        var func = source[methodName];
        object[methodName] = func;
        if (isFunc) {
          object.prototype[methodName] = function() {
            var chainAll = this.__chain__;
            if (chain || chainAll) {
              var result = object(this.__wrapped__),
                  actions = result.__actions__ = copyArray(this.__actions__);

              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
              result.__chain__ = chainAll;
              return result;
            }
            return func.apply(object, arrayPush([this.value()], arguments));
          };
        }
      });

      return object;
    }

    /**
     * Reverts the `_` variable to its previous value and returns a reference to
     * the `lodash` function.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @returns {Function} Returns the `lodash` function.
     * @example
     *
     * var lodash = _.noConflict();
     */
    function noConflict() {
      if (root._ === this) {
        root._ = oldDash;
      }
      return this;
    }

    /**
     * This method returns `undefined`.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Util
     * @example
     *
     * _.times(2, _.noop);
     * // => [undefined, undefined]
     */
    function noop() {
      // No operation performed.
    }

    /**
     * Creates a function that gets the argument at index `n`. If `n` is negative,
     * the nth argument from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [n=0] The index of the argument to return.
     * @returns {Function} Returns the new pass-thru function.
     * @example
     *
     * var func = _.nthArg(1);
     * func('a', 'b', 'c', 'd');
     * // => 'b'
     *
     * var func = _.nthArg(-2);
     * func('a', 'b', 'c', 'd');
     * // => 'c'
     */
    function nthArg(n) {
      n = toInteger(n);
      return baseRest(function(args) {
        return baseNth(args, n);
      });
    }

    /**
     * Creates a function that invokes `iteratees` with the arguments it receives
     * and returns their results.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to invoke.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.over([Math.max, Math.min]);
     *
     * func(1, 2, 3, 4);
     * // => [4, 1]
     */
    var over = createOver(arrayMap);

    /**
     * Creates a function that checks if **all** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overEvery([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => false
     *
     * func(NaN);
     * // => false
     */
    var overEvery = createOver(arrayEvery);

    /**
     * Creates a function that checks if **any** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overSome([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => true
     *
     * func(NaN);
     * // => false
     *
     * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])
     * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])
     */
    var overSome = createOver(arraySome);

    /**
     * Creates a function that returns the value at `path` of a given object.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': 2 } },
     *   { 'a': { 'b': 1 } }
     * ];
     *
     * _.map(objects, _.property('a.b'));
     * // => [2, 1]
     *
     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
     * // => [1, 2]
     */
    function property(path) {
      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
    }

    /**
     * The opposite of `_.property`; this method creates a function that returns
     * the value at a given path of `object`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} object The object to query.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var array = [0, 1, 2],
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
     * // => [2, 0]
     */
    function propertyOf(object) {
      return function(path) {
        return object == null ? undefined : baseGet(object, path);
      };
    }

    /**
     * Creates an array of numbers (positive and/or negative) progressing from
     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
     * `start` is specified without an `end` or `step`. If `end` is not specified,
     * it's set to `start` with `start` then set to `0`.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.rangeRight
     * @example
     *
     * _.range(4);
     * // => [0, 1, 2, 3]
     *
     * _.range(-4);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 5);
     * // => [1, 2, 3, 4]
     *
     * _.range(0, 20, 5);
     * // => [0, 5, 10, 15]
     *
     * _.range(0, -4, -1);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.range(0);
     * // => []
     */
    var range = createRange();

    /**
     * This method is like `_.range` except that it populates values in
     * descending order.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.range
     * @example
     *
     * _.rangeRight(4);
     * // => [3, 2, 1, 0]
     *
     * _.rangeRight(-4);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 5);
     * // => [4, 3, 2, 1]
     *
     * _.rangeRight(0, 20, 5);
     * // => [15, 10, 5, 0]
     *
     * _.rangeRight(0, -4, -1);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.rangeRight(0);
     * // => []
     */
    var rangeRight = createRange(true);

    /**
     * This method returns a new empty array.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Array} Returns the new empty array.
     * @example
     *
     * var arrays = _.times(2, _.stubArray);
     *
     * console.log(arrays);
     * // => [[], []]
     *
     * console.log(arrays[0] === arrays[1]);
     * // => false
     */
    function stubArray() {
      return [];
    }

    /**
     * This method returns `false`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `false`.
     * @example
     *
     * _.times(2, _.stubFalse);
     * // => [false, false]
     */
    function stubFalse() {
      return false;
    }

    /**
     * This method returns a new empty object.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Object} Returns the new empty object.
     * @example
     *
     * var objects = _.times(2, _.stubObject);
     *
     * console.log(objects);
     * // => [{}, {}]
     *
     * console.log(objects[0] === objects[1]);
     * // => false
     */
    function stubObject() {
      return {};
    }

    /**
     * This method returns an empty string.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {string} Returns the empty string.
     * @example
     *
     * _.times(2, _.stubString);
     * // => ['', '']
     */
    function stubString() {
      return '';
    }

    /**
     * This method returns `true`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `true`.
     * @example
     *
     * _.times(2, _.stubTrue);
     * // => [true, true]
     */
    function stubTrue() {
      return true;
    }

    /**
     * Invokes the iteratee `n` times, returning an array of the results of
     * each invocation. The iteratee is invoked with one argument; (index).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} n The number of times to invoke `iteratee`.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.times(3, String);
     * // => ['0', '1', '2']
     *
     *  _.times(4, _.constant(0));
     * // => [0, 0, 0, 0]
     */
    function times(n, iteratee) {
      n = toInteger(n);
      if (n < 1 || n > MAX_SAFE_INTEGER) {
        return [];
      }
      var index = MAX_ARRAY_LENGTH,
          length = nativeMin(n, MAX_ARRAY_LENGTH);

      iteratee = getIteratee(iteratee);
      n -= MAX_ARRAY_LENGTH;

      var result = baseTimes(length, iteratee);
      while (++index < n) {
        iteratee(index);
      }
      return result;
    }

    /**
     * Converts `value` to a property path array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {*} value The value to convert.
     * @returns {Array} Returns the new property path array.
     * @example
     *
     * _.toPath('a.b.c');
     * // => ['a', 'b', 'c']
     *
     * _.toPath('a[0].b.c');
     * // => ['a', '0', 'b', 'c']
     */
    function toPath(value) {
      if (isArray(value)) {
        return arrayMap(value, toKey);
      }
      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
    }

    /**
     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {string} [prefix=''] The value to prefix the ID with.
     * @returns {string} Returns the unique ID.
     * @example
     *
     * _.uniqueId('contact_');
     * // => 'contact_104'
     *
     * _.uniqueId();
     * // => '105'
     */
    function uniqueId(prefix) {
      var id = ++idCounter;
      return toString(prefix) + id;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Adds two numbers.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {number} augend The first number in an addition.
     * @param {number} addend The second number in an addition.
     * @returns {number} Returns the total.
     * @example
     *
     * _.add(6, 4);
     * // => 10
     */
    var add = createMathOperation(function(augend, addend) {
      return augend + addend;
    }, 0);

    /**
     * Computes `number` rounded up to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round up.
     * @param {number} [precision=0] The precision to round up to.
     * @returns {number} Returns the rounded up number.
     * @example
     *
     * _.ceil(4.006);
     * // => 5
     *
     * _.ceil(6.004, 2);
     * // => 6.01
     *
     * _.ceil(6040, -2);
     * // => 6100
     */
    var ceil = createRound('ceil');

    /**
     * Divide two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} dividend The first number in a division.
     * @param {number} divisor The second number in a division.
     * @returns {number} Returns the quotient.
     * @example
     *
     * _.divide(6, 4);
     * // => 1.5
     */
    var divide = createMathOperation(function(dividend, divisor) {
      return dividend / divisor;
    }, 1);

    /**
     * Computes `number` rounded down to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round down.
     * @param {number} [precision=0] The precision to round down to.
     * @returns {number} Returns the rounded down number.
     * @example
     *
     * _.floor(4.006);
     * // => 4
     *
     * _.floor(0.046, 2);
     * // => 0.04
     *
     * _.floor(4060, -2);
     * // => 4000
     */
    var floor = createRound('floor');

    /**
     * Computes the maximum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * _.max([4, 2, 8, 6]);
     * // => 8
     *
     * _.max([]);
     * // => undefined
     */
    function max(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseGt)
        : undefined;
    }

    /**
     * This method is like `_.max` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.maxBy(objects, function(o) { return o.n; });
     * // => { 'n': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.maxBy(objects, 'n');
     * // => { 'n': 2 }
     */
    function maxBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
        : undefined;
    }

    /**
     * Computes the mean of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the mean.
     * @example
     *
     * _.mean([4, 2, 8, 6]);
     * // => 5
     */
    function mean(array) {
      return baseMean(array, identity);
    }

    /**
     * This method is like `_.mean` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be averaged.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the mean.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.meanBy(objects, function(o) { return o.n; });
     * // => 5
     *
     * // The `_.property` iteratee shorthand.
     * _.meanBy(objects, 'n');
     * // => 5
     */
    function meanBy(array, iteratee) {
      return baseMean(array, getIteratee(iteratee, 2));
    }

    /**
     * Computes the minimum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * _.min([4, 2, 8, 6]);
     * // => 2
     *
     * _.min([]);
     * // => undefined
     */
    function min(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseLt)
        : undefined;
    }

    /**
     * This method is like `_.min` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.minBy(objects, function(o) { return o.n; });
     * // => { 'n': 1 }
     *
     * // The `_.property` iteratee shorthand.
     * _.minBy(objects, 'n');
     * // => { 'n': 1 }
     */
    function minBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
        : undefined;
    }

    /**
     * Multiply two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} multiplier The first number in a multiplication.
     * @param {number} multiplicand The second number in a multiplication.
     * @returns {number} Returns the product.
     * @example
     *
     * _.multiply(6, 4);
     * // => 24
     */
    var multiply = createMathOperation(function(multiplier, multiplicand) {
      return multiplier * multiplicand;
    }, 1);

    /**
     * Computes `number` rounded to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round.
     * @param {number} [precision=0] The precision to round to.
     * @returns {number} Returns the rounded number.
     * @example
     *
     * _.round(4.006);
     * // => 4
     *
     * _.round(4.006, 2);
     * // => 4.01
     *
     * _.round(4060, -2);
     * // => 4100
     */
    var round = createRound('round');

    /**
     * Subtract two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {number} minuend The first number in a subtraction.
     * @param {number} subtrahend The second number in a subtraction.
     * @returns {number} Returns the difference.
     * @example
     *
     * _.subtract(6, 4);
     * // => 2
     */
    var subtract = createMathOperation(function(minuend, subtrahend) {
      return minuend - subtrahend;
    }, 0);

    /**
     * Computes the sum of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the sum.
     * @example
     *
     * _.sum([4, 2, 8, 6]);
     * // => 20
     */
    function sum(array) {
      return (array && array.length)
        ? baseSum(array, identity)
        : 0;
    }

    /**
     * This method is like `_.sum` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be summed.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the sum.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.sumBy(objects, function(o) { return o.n; });
     * // => 20
     *
     * // The `_.property` iteratee shorthand.
     * _.sumBy(objects, 'n');
     * // => 20
     */
    function sumBy(array, iteratee) {
      return (array && array.length)
        ? baseSum(array, getIteratee(iteratee, 2))
        : 0;
    }

    /*------------------------------------------------------------------------*/

    // Add methods that return wrapped values in chain sequences.
    lodash.after = after;
    lodash.ary = ary;
    lodash.assign = assign;
    lodash.assignIn = assignIn;
    lodash.assignInWith = assignInWith;
    lodash.assignWith = assignWith;
    lodash.at = at;
    lodash.before = before;
    lodash.bind = bind;
    lodash.bindAll = bindAll;
    lodash.bindKey = bindKey;
    lodash.castArray = castArray;
    lodash.chain = chain;
    lodash.chunk = chunk;
    lodash.compact = compact;
    lodash.concat = concat;
    lodash.cond = cond;
    lodash.conforms = conforms;
    lodash.constant = constant;
    lodash.countBy = countBy;
    lodash.create = create;
    lodash.curry = curry;
    lodash.curryRight = curryRight;
    lodash.debounce = debounce;
    lodash.defaults = defaults;
    lodash.defaultsDeep = defaultsDeep;
    lodash.defer = defer;
    lodash.delay = delay;
    lodash.difference = difference;
    lodash.differenceBy = differenceBy;
    lodash.differenceWith = differenceWith;
    lodash.drop = drop;
    lodash.dropRight = dropRight;
    lodash.dropRightWhile = dropRightWhile;
    lodash.dropWhile = dropWhile;
    lodash.fill = fill;
    lodash.filter = filter;
    lodash.flatMap = flatMap;
    lodash.flatMapDeep = flatMapDeep;
    lodash.flatMapDepth = flatMapDepth;
    lodash.flatten = flatten;
    lodash.flattenDeep = flattenDeep;
    lodash.flattenDepth = flattenDepth;
    lodash.flip = flip;
    lodash.flow = flow;
    lodash.flowRight = flowRight;
    lodash.fromPairs = fromPairs;
    lodash.functions = functions;
    lodash.functionsIn = functionsIn;
    lodash.groupBy = groupBy;
    lodash.initial = initial;
    lodash.intersection = intersection;
    lodash.intersectionBy = intersectionBy;
    lodash.intersectionWith = intersectionWith;
    lodash.invert = invert;
    lodash.invertBy = invertBy;
    lodash.invokeMap = invokeMap;
    lodash.iteratee = iteratee;
    lodash.keyBy = keyBy;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.map = map;
    lodash.mapKeys = mapKeys;
    lodash.mapValues = mapValues;
    lodash.matches = matches;
    lodash.matchesProperty = matchesProperty;
    lodash.memoize = memoize;
    lodash.merge = merge;
    lodash.mergeWith = mergeWith;
    lodash.method = method;
    lodash.methodOf = methodOf;
    lodash.mixin = mixin;
    lodash.negate = negate;
    lodash.nthArg = nthArg;
    lodash.omit = omit;
    lodash.omitBy = omitBy;
    lodash.once = once;
    lodash.orderBy = orderBy;
    lodash.over = over;
    lodash.overArgs = overArgs;
    lodash.overEvery = overEvery;
    lodash.overSome = overSome;
    lodash.partial = partial;
    lodash.partialRight = partialRight;
    lodash.partition = partition;
    lodash.pick = pick;
    lodash.pickBy = pickBy;
    lodash.property = property;
    lodash.propertyOf = propertyOf;
    lodash.pull = pull;
    lodash.pullAll = pullAll;
    lodash.pullAllBy = pullAllBy;
    lodash.pullAllWith = pullAllWith;
    lodash.pullAt = pullAt;
    lodash.range = range;
    lodash.rangeRight = rangeRight;
    lodash.rearg = rearg;
    lodash.reject = reject;
    lodash.remove = remove;
    lodash.rest = rest;
    lodash.reverse = reverse;
    lodash.sampleSize = sampleSize;
    lodash.set = set;
    lodash.setWith = setWith;
    lodash.shuffle = shuffle;
    lodash.slice = slice;
    lodash.sortBy = sortBy;
    lodash.sortedUniq = sortedUniq;
    lodash.sortedUniqBy = sortedUniqBy;
    lodash.split = split;
    lodash.spread = spread;
    lodash.tail = tail;
    lodash.take = take;
    lodash.takeRight = takeRight;
    lodash.takeRightWhile = takeRightWhile;
    lodash.takeWhile = takeWhile;
    lodash.tap = tap;
    lodash.throttle = throttle;
    lodash.thru = thru;
    lodash.toArray = toArray;
    lodash.toPairs = toPairs;
    lodash.toPairsIn = toPairsIn;
    lodash.toPath = toPath;
    lodash.toPlainObject = toPlainObject;
    lodash.transform = transform;
    lodash.unary = unary;
    lodash.union = union;
    lodash.unionBy = unionBy;
    lodash.unionWith = unionWith;
    lodash.uniq = uniq;
    lodash.uniqBy = uniqBy;
    lodash.uniqWith = uniqWith;
    lodash.unset = unset;
    lodash.unzip = unzip;
    lodash.unzipWith = unzipWith;
    lodash.update = update;
    lodash.updateWith = updateWith;
    lodash.values = values;
    lodash.valuesIn = valuesIn;
    lodash.without = without;
    lodash.words = words;
    lodash.wrap = wrap;
    lodash.xor = xor;
    lodash.xorBy = xorBy;
    lodash.xorWith = xorWith;
    lodash.zip = zip;
    lodash.zipObject = zipObject;
    lodash.zipObjectDeep = zipObjectDeep;
    lodash.zipWith = zipWith;

    // Add aliases.
    lodash.entries = toPairs;
    lodash.entriesIn = toPairsIn;
    lodash.extend = assignIn;
    lodash.extendWith = assignInWith;

    // Add methods to `lodash.prototype`.
    mixin(lodash, lodash);

    /*------------------------------------------------------------------------*/

    // Add methods that return unwrapped values in chain sequences.
    lodash.add = add;
    lodash.attempt = attempt;
    lodash.camelCase = camelCase;
    lodash.capitalize = capitalize;
    lodash.ceil = ceil;
    lodash.clamp = clamp;
    lodash.clone = clone;
    lodash.cloneDeep = cloneDeep;
    lodash.cloneDeepWith = cloneDeepWith;
    lodash.cloneWith = cloneWith;
    lodash.conformsTo = conformsTo;
    lodash.deburr = deburr;
    lodash.defaultTo = defaultTo;
    lodash.divide = divide;
    lodash.endsWith = endsWith;
    lodash.eq = eq;
    lodash.escape = escape;
    lodash.escapeRegExp = escapeRegExp;
    lodash.every = every;
    lodash.find = find;
    lodash.findIndex = findIndex;
    lodash.findKey = findKey;
    lodash.findLast = findLast;
    lodash.findLastIndex = findLastIndex;
    lodash.findLastKey = findLastKey;
    lodash.floor = floor;
    lodash.forEach = forEach;
    lodash.forEachRight = forEachRight;
    lodash.forIn = forIn;
    lodash.forInRight = forInRight;
    lodash.forOwn = forOwn;
    lodash.forOwnRight = forOwnRight;
    lodash.get = get;
    lodash.gt = gt;
    lodash.gte = gte;
    lodash.has = has;
    lodash.hasIn = hasIn;
    lodash.head = head;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.inRange = inRange;
    lodash.invoke = invoke;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isArrayBuffer = isArrayBuffer;
    lodash.isArrayLike = isArrayLike;
    lodash.isArrayLikeObject = isArrayLikeObject;
    lodash.isBoolean = isBoolean;
    lodash.isBuffer = isBuffer;
    lodash.isDate = isDate;
    lodash.isElement = isElement;
    lodash.isEmpty = isEmpty;
    lodash.isEqual = isEqual;
    lodash.isEqualWith = isEqualWith;
    lodash.isError = isError;
    lodash.isFinite = isFinite;
    lodash.isFunction = isFunction;
    lodash.isInteger = isInteger;
    lodash.isLength = isLength;
    lodash.isMap = isMap;
    lodash.isMatch = isMatch;
    lodash.isMatchWith = isMatchWith;
    lodash.isNaN = isNaN;
    lodash.isNative = isNative;
    lodash.isNil = isNil;
    lodash.isNull = isNull;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isObjectLike = isObjectLike;
    lodash.isPlainObject = isPlainObject;
    lodash.isRegExp = isRegExp;
    lodash.isSafeInteger = isSafeInteger;
    lodash.isSet = isSet;
    lodash.isString = isString;
    lodash.isSymbol = isSymbol;
    lodash.isTypedArray = isTypedArray;
    lodash.isUndefined = isUndefined;
    lodash.isWeakMap = isWeakMap;
    lodash.isWeakSet = isWeakSet;
    lodash.join = join;
    lodash.kebabCase = kebabCase;
    lodash.last = last;
    lodash.lastIndexOf = lastIndexOf;
    lodash.lowerCase = lowerCase;
    lodash.lowerFirst = lowerFirst;
    lodash.lt = lt;
    lodash.lte = lte;
    lodash.max = max;
    lodash.maxBy = maxBy;
    lodash.mean = mean;
    lodash.meanBy = meanBy;
    lodash.min = min;
    lodash.minBy = minBy;
    lodash.stubArray = stubArray;
    lodash.stubFalse = stubFalse;
    lodash.stubObject = stubObject;
    lodash.stubString = stubString;
    lodash.stubTrue = stubTrue;
    lodash.multiply = multiply;
    lodash.nth = nth;
    lodash.noConflict = noConflict;
    lodash.noop = noop;
    lodash.now = now;
    lodash.pad = pad;
    lodash.padEnd = padEnd;
    lodash.padStart = padStart;
    lodash.parseInt = parseInt;
    lodash.random = random;
    lodash.reduce = reduce;
    lodash.reduceRight = reduceRight;
    lodash.repeat = repeat;
    lodash.replace = replace;
    lodash.result = result;
    lodash.round = round;
    lodash.runInContext = runInContext;
    lodash.sample = sample;
    lodash.size = size;
    lodash.snakeCase = snakeCase;
    lodash.some = some;
    lodash.sortedIndex = sortedIndex;
    lodash.sortedIndexBy = sortedIndexBy;
    lodash.sortedIndexOf = sortedIndexOf;
    lodash.sortedLastIndex = sortedLastIndex;
    lodash.sortedLastIndexBy = sortedLastIndexBy;
    lodash.sortedLastIndexOf = sortedLastIndexOf;
    lodash.startCase = startCase;
    lodash.startsWith = startsWith;
    lodash.subtract = subtract;
    lodash.sum = sum;
    lodash.sumBy = sumBy;
    lodash.template = template;
    lodash.times = times;
    lodash.toFinite = toFinite;
    lodash.toInteger = toInteger;
    lodash.toLength = toLength;
    lodash.toLower = toLower;
    lodash.toNumber = toNumber;
    lodash.toSafeInteger = toSafeInteger;
    lodash.toString = toString;
    lodash.toUpper = toUpper;
    lodash.trim = trim;
    lodash.trimEnd = trimEnd;
    lodash.trimStart = trimStart;
    lodash.truncate = truncate;
    lodash.unescape = unescape;
    lodash.uniqueId = uniqueId;
    lodash.upperCase = upperCase;
    lodash.upperFirst = upperFirst;

    // Add aliases.
    lodash.each = forEach;
    lodash.eachRight = forEachRight;
    lodash.first = head;

    mixin(lodash, (function() {
      var source = {};
      baseForOwn(lodash, function(func, methodName) {
        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
          source[methodName] = func;
        }
      });
      return source;
    }()), { 'chain': false });

    /*------------------------------------------------------------------------*/

    /**
     * The semantic version number.
     *
     * @static
     * @memberOf _
     * @type {string}
     */
    lodash.VERSION = VERSION;

    // Assign default placeholders.
    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
      lodash[methodName].placeholder = lodash;
    });

    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
    arrayEach(['drop', 'take'], function(methodName, index) {
      LazyWrapper.prototype[methodName] = function(n) {
        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);

        var result = (this.__filtered__ && !index)
          ? new LazyWrapper(this)
          : this.clone();

        if (result.__filtered__) {
          result.__takeCount__ = nativeMin(n, result.__takeCount__);
        } else {
          result.__views__.push({
            'size': nativeMin(n, MAX_ARRAY_LENGTH),
            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
          });
        }
        return result;
      };

      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
        return this.reverse()[methodName](n).reverse();
      };
    });

    // Add `LazyWrapper` methods that accept an `iteratee` value.
    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
      var type = index + 1,
          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

      LazyWrapper.prototype[methodName] = function(iteratee) {
        var result = this.clone();
        result.__iteratees__.push({
          'iteratee': getIteratee(iteratee, 3),
          'type': type
        });
        result.__filtered__ = result.__filtered__ || isFilter;
        return result;
      };
    });

    // Add `LazyWrapper` methods for `_.head` and `_.last`.
    arrayEach(['head', 'last'], function(methodName, index) {
      var takeName = 'take' + (index ? 'Right' : '');

      LazyWrapper.prototype[methodName] = function() {
        return this[takeName](1).value()[0];
      };
    });

    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
    arrayEach(['initial', 'tail'], function(methodName, index) {
      var dropName = 'drop' + (index ? '' : 'Right');

      LazyWrapper.prototype[methodName] = function() {
        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
      };
    });

    LazyWrapper.prototype.compact = function() {
      return this.filter(identity);
    };

    LazyWrapper.prototype.find = function(predicate) {
      return this.filter(predicate).head();
    };

    LazyWrapper.prototype.findLast = function(predicate) {
      return this.reverse().find(predicate);
    };

    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
      if (typeof path == 'function') {
        return new LazyWrapper(this);
      }
      return this.map(function(value) {
        return baseInvoke(value, path, args);
      });
    });

    LazyWrapper.prototype.reject = function(predicate) {
      return this.filter(negate(getIteratee(predicate)));
    };

    LazyWrapper.prototype.slice = function(start, end) {
      start = toInteger(start);

      var result = this;
      if (result.__filtered__ && (start > 0 || end < 0)) {
        return new LazyWrapper(result);
      }
      if (start < 0) {
        result = result.takeRight(-start);
      } else if (start) {
        result = result.drop(start);
      }
      if (end !== undefined) {
        end = toInteger(end);
        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
      }
      return result;
    };

    LazyWrapper.prototype.takeRightWhile = function(predicate) {
      return this.reverse().takeWhile(predicate).reverse();
    };

    LazyWrapper.prototype.toArray = function() {
      return this.take(MAX_ARRAY_LENGTH);
    };

    // Add `LazyWrapper` methods to `lodash.prototype`.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
          isTaker = /^(?:head|last)$/.test(methodName),
          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
          retUnwrapped = isTaker || /^find/.test(methodName);

      if (!lodashFunc) {
        return;
      }
      lodash.prototype[methodName] = function() {
        var value = this.__wrapped__,
            args = isTaker ? [1] : arguments,
            isLazy = value instanceof LazyWrapper,
            iteratee = args[0],
            useLazy = isLazy || isArray(value);

        var interceptor = function(value) {
          var result = lodashFunc.apply(lodash, arrayPush([value], args));
          return (isTaker && chainAll) ? result[0] : result;
        };

        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
          // Avoid lazy use if the iteratee has a "length" value other than `1`.
          isLazy = useLazy = false;
        }
        var chainAll = this.__chain__,
            isHybrid = !!this.__actions__.length,
            isUnwrapped = retUnwrapped && !chainAll,
            onlyLazy = isLazy && !isHybrid;

        if (!retUnwrapped && useLazy) {
          value = onlyLazy ? value : new LazyWrapper(this);
          var result = func.apply(value, args);
          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
          return new LodashWrapper(result, chainAll);
        }
        if (isUnwrapped && onlyLazy) {
          return func.apply(this, args);
        }
        result = this.thru(interceptor);
        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
      };
    });

    // Add `Array` methods to `lodash.prototype`.
    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
      var func = arrayProto[methodName],
          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
          retUnwrapped = /^(?:pop|shift)$/.test(methodName);

      lodash.prototype[methodName] = function() {
        var args = arguments;
        if (retUnwrapped && !this.__chain__) {
          var value = this.value();
          return func.apply(isArray(value) ? value : [], args);
        }
        return this[chainName](function(value) {
          return func.apply(isArray(value) ? value : [], args);
        });
      };
    });

    // Map minified method names to their real names.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var lodashFunc = lodash[methodName];
      if (lodashFunc) {
        var key = lodashFunc.name + '';
        if (!hasOwnProperty.call(realNames, key)) {
          realNames[key] = [];
        }
        realNames[key].push({ 'name': methodName, 'func': lodashFunc });
      }
    });

    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
      'name': 'wrapper',
      'func': undefined
    }];

    // Add methods to `LazyWrapper`.
    LazyWrapper.prototype.clone = lazyClone;
    LazyWrapper.prototype.reverse = lazyReverse;
    LazyWrapper.prototype.value = lazyValue;

    // Add chain sequence methods to the `lodash` wrapper.
    lodash.prototype.at = wrapperAt;
    lodash.prototype.chain = wrapperChain;
    lodash.prototype.commit = wrapperCommit;
    lodash.prototype.next = wrapperNext;
    lodash.prototype.plant = wrapperPlant;
    lodash.prototype.reverse = wrapperReverse;
    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

    // Add lazy aliases.
    lodash.prototype.first = lodash.prototype.head;

    if (symIterator) {
      lodash.prototype[symIterator] = wrapperToIterator;
    }
    return lodash;
  });

  /*--------------------------------------------------------------------------*/

  // Export lodash.
  var _ = runInContext();

  // Some AMD build optimizers, like r.js, check for condition patterns like:
  if (true) {
    // Expose Lodash on the global object to prevent errors when Lodash is
    // loaded by a script tag in the presence of an AMD loader.
    // See http://requirejs.org/docs/errors.html#mismatch for more details.
    // Use `_.noConflict` to remove Lodash from the global object.
    root._ = _;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
      return _;
    }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  }
  // Check for `exports` after `define` in case a build optimizer adds it.
  else {}
}.call(this));


/***/ }),

/***/ 35161:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayMap = __webpack_require__(29932),
    baseIteratee = __webpack_require__(67206),
    baseMap = __webpack_require__(69199),
    isArray = __webpack_require__(1469);

/**
 * Creates an array of values by running each element in `collection` thru
 * `iteratee`. The iteratee is invoked with three arguments:
 * (value, index|key, collection).
 *
 * Many lodash methods are guarded to work as iteratees for methods like
 * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
 *
 * The guarded methods are:
 * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
 * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
 * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
 * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Collection
 * @param {Array|Object} collection The collection to iterate over.
 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 * @example
 *
 * function square(n) {
 *   return n * n;
 * }
 *
 * _.map([4, 8], square);
 * // => [16, 64]
 *
 * _.map({ 'a': 4, 'b': 8 }, square);
 * // => [16, 64] (iteration order is not guaranteed)
 *
 * var users = [
 *   { 'user': 'barney' },
 *   { 'user': 'fred' }
 * ];
 *
 * // The `_.property` iteratee shorthand.
 * _.map(users, 'user');
 * // => ['barney', 'fred']
 */
function map(collection, iteratee) {
  var func = isArray(collection) ? arrayMap : baseMap;
  return func(collection, baseIteratee(iteratee, 3));
}

module.exports = map;


/***/ }),

/***/ 88306:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var MapCache = __webpack_require__(83369);

/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

/**
 * Creates a function that memoizes the result of `func`. If `resolver` is
 * provided, it determines the cache key for storing the result based on the
 * arguments provided to the memoized function. By default, the first argument
 * provided to the memoized function is used as the map cache key. The `func`
 * is invoked with the `this` binding of the memoized function.
 *
 * **Note:** The cache is exposed as the `cache` property on the memoized
 * function. Its creation may be customized by replacing the `_.memoize.Cache`
 * constructor with one whose instances implement the
 * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
 * method interface of `clear`, `delete`, `get`, `has`, and `set`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to have its output memoized.
 * @param {Function} [resolver] The function to resolve the cache key.
 * @returns {Function} Returns the new memoized function.
 * @example
 *
 * var object = { 'a': 1, 'b': 2 };
 * var other = { 'c': 3, 'd': 4 };
 *
 * var values = _.memoize(_.values);
 * values(object);
 * // => [1, 2]
 *
 * values(other);
 * // => [3, 4]
 *
 * object.a = 2;
 * values(object);
 * // => [1, 2]
 *
 * // Modify the result cache.
 * values.cache.set(object, ['a', 'b']);
 * values(object);
 * // => ['a', 'b']
 *
 * // Replace `_.memoize.Cache`.
 * _.memoize.Cache = WeakMap;
 */
function memoize(func, resolver) {
  if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  var memoized = function() {
    var args = arguments,
        key = resolver ? resolver.apply(this, args) : args[0],
        cache = memoized.cache;

    if (cache.has(key)) {
      return cache.get(key);
    }
    var result = func.apply(this, args);
    memoized.cache = cache.set(key, result) || cache;
    return result;
  };
  memoized.cache = new (memoize.Cache || MapCache);
  return memoized;
}

// Expose `MapCache`.
memoize.Cache = MapCache;

module.exports = memoize;


/***/ }),

/***/ 94885:
/***/ ((module) => {

/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

/**
 * Creates a function that negates the result of the predicate `func`. The
 * `func` predicate is invoked with the `this` binding and arguments of the
 * created function.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Function
 * @param {Function} predicate The predicate to negate.
 * @returns {Function} Returns the new negated function.
 * @example
 *
 * function isEven(n) {
 *   return n % 2 == 0;
 * }
 *
 * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
 * // => [1, 3, 5]
 */
function negate(predicate) {
  if (typeof predicate != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  return function() {
    var args = arguments;
    switch (args.length) {
      case 0: return !predicate.call(this);
      case 1: return !predicate.call(this, args[0]);
      case 2: return !predicate.call(this, args[0], args[1]);
      case 3: return !predicate.call(this, args[0], args[1], args[2]);
    }
    return !predicate.apply(this, args);
  };
}

module.exports = negate;


/***/ }),

/***/ 14176:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseIteratee = __webpack_require__(67206),
    negate = __webpack_require__(94885),
    pickBy = __webpack_require__(35937);

/**
 * The opposite of `_.pickBy`; this method creates an object composed of
 * the own and inherited enumerable string keyed properties of `object` that
 * `predicate` doesn't return truthy for. The predicate is invoked with two
 * arguments: (value, key).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Object
 * @param {Object} object The source object.
 * @param {Function} [predicate=_.identity] The function invoked per property.
 * @returns {Object} Returns the new object.
 * @example
 *
 * var object = { 'a': 1, 'b': '2', 'c': 3 };
 *
 * _.omitBy(object, _.isNumber);
 * // => { 'b': '2' }
 */
function omitBy(object, predicate) {
  return pickBy(object, negate(baseIteratee(predicate)));
}

module.exports = omitBy;


/***/ }),

/***/ 35937:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var arrayMap = __webpack_require__(29932),
    baseIteratee = __webpack_require__(67206),
    basePickBy = __webpack_require__(63012),
    getAllKeysIn = __webpack_require__(46904);

/**
 * Creates an object composed of the `object` properties `predicate` returns
 * truthy for. The predicate is invoked with two arguments: (value, key).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Object
 * @param {Object} object The source object.
 * @param {Function} [predicate=_.identity] The function invoked per property.
 * @returns {Object} Returns the new object.
 * @example
 *
 * var object = { 'a': 1, 'b': '2', 'c': 3 };
 *
 * _.pickBy(object, _.isNumber);
 * // => { 'a': 1, 'c': 3 }
 */
function pickBy(object, predicate) {
  if (object == null) {
    return {};
  }
  var props = arrayMap(getAllKeysIn(object), function(prop) {
    return [prop];
  });
  predicate = baseIteratee(predicate);
  return basePickBy(object, props, function(value, path) {
    return predicate(value, path[0]);
  });
}

module.exports = pickBy;


/***/ }),

/***/ 39601:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseProperty = __webpack_require__(40371),
    basePropertyDeep = __webpack_require__(79152),
    isKey = __webpack_require__(15403),
    toKey = __webpack_require__(40327);

/**
 * Creates a function that returns the value at `path` of a given object.
 *
 * @static
 * @memberOf _
 * @since 2.4.0
 * @category Util
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new accessor function.
 * @example
 *
 * var objects = [
 *   { 'a': { 'b': 2 } },
 *   { 'a': { 'b': 1 } }
 * ];
 *
 * _.map(objects, _.property('a.b'));
 * // => [2, 1]
 *
 * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
 * // => [1, 2]
 */
function property(path) {
  return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
}

module.exports = property;


/***/ }),

/***/ 70479:
/***/ ((module) => {

/**
 * This method returns a new empty array.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {Array} Returns the new empty array.
 * @example
 *
 * var arrays = _.times(2, _.stubArray);
 *
 * console.log(arrays);
 * // => [[], []]
 *
 * console.log(arrays[0] === arrays[1]);
 * // => false
 */
function stubArray() {
  return [];
}

module.exports = stubArray;


/***/ }),

/***/ 95062:
/***/ ((module) => {

/**
 * This method returns `false`.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {boolean} Returns `false`.
 * @example
 *
 * _.times(2, _.stubFalse);
 * // => [false, false]
 */
function stubFalse() {
  return false;
}

module.exports = stubFalse;


/***/ }),

/***/ 79833:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var baseToString = __webpack_require__(80531);

/**
 * Converts `value` to a string. An empty string is returned for `null`
 * and `undefined` values. The sign of `-0` is preserved.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 * @example
 *
 * _.toString(null);
 * // => ''
 *
 * _.toString(-0);
 * // => '-0'
 *
 * _.toString([1, 2, 3]);
 * // => '1,2,3'
 */
function toString(value) {
  return value == null ? '' : baseToString(value);
}

module.exports = toString;


/***/ }),

/***/ 62318:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var inherits = __webpack_require__(35717)
var HashBase = __webpack_require__(3349)
var Buffer = (__webpack_require__(89509).Buffer)

var ARRAY16 = new Array(16)

function MD5 () {
  HashBase.call(this, 64)

  // state
  this._a = 0x67452301
  this._b = 0xefcdab89
  this._c = 0x98badcfe
  this._d = 0x10325476
}

inherits(MD5, HashBase)

MD5.prototype._update = function () {
  var M = ARRAY16
  for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4)

  var a = this._a
  var b = this._b
  var c = this._c
  var d = this._d

  a = fnF(a, b, c, d, M[0], 0xd76aa478, 7)
  d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12)
  c = fnF(c, d, a, b, M[2], 0x242070db, 17)
  b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22)
  a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7)
  d = fnF(d, a, b, c, M[5], 0x4787c62a, 12)
  c = fnF(c, d, a, b, M[6], 0xa8304613, 17)
  b = fnF(b, c, d, a, M[7], 0xfd469501, 22)
  a = fnF(a, b, c, d, M[8], 0x698098d8, 7)
  d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12)
  c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17)
  b = fnF(b, c, d, a, M[11], 0x895cd7be, 22)
  a = fnF(a, b, c, d, M[12], 0x6b901122, 7)
  d = fnF(d, a, b, c, M[13], 0xfd987193, 12)
  c = fnF(c, d, a, b, M[14], 0xa679438e, 17)
  b = fnF(b, c, d, a, M[15], 0x49b40821, 22)

  a = fnG(a, b, c, d, M[1], 0xf61e2562, 5)
  d = fnG(d, a, b, c, M[6], 0xc040b340, 9)
  c = fnG(c, d, a, b, M[11], 0x265e5a51, 14)
  b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20)
  a = fnG(a, b, c, d, M[5], 0xd62f105d, 5)
  d = fnG(d, a, b, c, M[10], 0x02441453, 9)
  c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14)
  b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20)
  a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5)
  d = fnG(d, a, b, c, M[14], 0xc33707d6, 9)
  c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14)
  b = fnG(b, c, d, a, M[8], 0x455a14ed, 20)
  a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5)
  d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9)
  c = fnG(c, d, a, b, M[7], 0x676f02d9, 14)
  b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20)

  a = fnH(a, b, c, d, M[5], 0xfffa3942, 4)
  d = fnH(d, a, b, c, M[8], 0x8771f681, 11)
  c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16)
  b = fnH(b, c, d, a, M[14], 0xfde5380c, 23)
  a = fnH(a, b, c, d, M[1], 0xa4beea44, 4)
  d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11)
  c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16)
  b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23)
  a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4)
  d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11)
  c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16)
  b = fnH(b, c, d, a, M[6], 0x04881d05, 23)
  a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4)
  d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11)
  c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16)
  b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23)

  a = fnI(a, b, c, d, M[0], 0xf4292244, 6)
  d = fnI(d, a, b, c, M[7], 0x432aff97, 10)
  c = fnI(c, d, a, b, M[14], 0xab9423a7, 15)
  b = fnI(b, c, d, a, M[5], 0xfc93a039, 21)
  a = fnI(a, b, c, d, M[12], 0x655b59c3, 6)
  d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10)
  c = fnI(c, d, a, b, M[10], 0xffeff47d, 15)
  b = fnI(b, c, d, a, M[1], 0x85845dd1, 21)
  a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6)
  d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10)
  c = fnI(c, d, a, b, M[6], 0xa3014314, 15)
  b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21)
  a = fnI(a, b, c, d, M[4], 0xf7537e82, 6)
  d = fnI(d, a, b, c, M[11], 0xbd3af235, 10)
  c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15)
  b = fnI(b, c, d, a, M[9], 0xeb86d391, 21)

  this._a = (this._a + a) | 0
  this._b = (this._b + b) | 0
  this._c = (this._c + c) | 0
  this._d = (this._d + d) | 0
}

MD5.prototype._digest = function () {
  // create padding and handle blocks
  this._block[this._blockOffset++] = 0x80
  if (this._blockOffset > 56) {
    this._block.fill(0, this._blockOffset, 64)
    this._update()
    this._blockOffset = 0
  }

  this._block.fill(0, this._blockOffset, 56)
  this._block.writeUInt32LE(this._length[0], 56)
  this._block.writeUInt32LE(this._length[1], 60)
  this._update()

  // produce result
  var buffer = Buffer.allocUnsafe(16)
  buffer.writeInt32LE(this._a, 0)
  buffer.writeInt32LE(this._b, 4)
  buffer.writeInt32LE(this._c, 8)
  buffer.writeInt32LE(this._d, 12)
  return buffer
}

function rotl (x, n) {
  return (x << n) | (x >>> (32 - n))
}

function fnF (a, b, c, d, m, k, s) {
  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0
}

function fnG (a, b, c, d, m, k, s) {
  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0
}

function fnH (a, b, c, d, m, k, s) {
  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0
}

function fnI (a, b, c, d, m, k, s) {
  return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0
}

module.exports = MD5


/***/ }),

/***/ 63047:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var bn = __webpack_require__(96240);
var brorand = __webpack_require__(29931);

function MillerRabin(rand) {
  this.rand = rand || new brorand.Rand();
}
module.exports = MillerRabin;

MillerRabin.create = function create(rand) {
  return new MillerRabin(rand);
};

MillerRabin.prototype._randbelow = function _randbelow(n) {
  var len = n.bitLength();
  var min_bytes = Math.ceil(len / 8);

  // Generage random bytes until a number less than n is found.
  // This ensures that 0..n-1 have an equal probability of being selected.
  do
    var a = new bn(this.rand.generate(min_bytes));
  while (a.cmp(n) >= 0);

  return a;
};

MillerRabin.prototype._randrange = function _randrange(start, stop) {
  // Generate a random number greater than or equal to start and less than stop.
  var size = stop.sub(start);
  return start.add(this._randbelow(size));
};

MillerRabin.prototype.test = function test(n, k, cb) {
  var len = n.bitLength();
  var red = bn.mont(n);
  var rone = new bn(1).toRed(red);

  if (!k)
    k = Math.max(1, (len / 48) | 0);

  // Find d and s, (n - 1) = (2 ^ s) * d;
  var n1 = n.subn(1);
  for (var s = 0; !n1.testn(s); s++) {}
  var d = n.shrn(s);

  var rn1 = n1.toRed(red);

  var prime = true;
  for (; k > 0; k--) {
    var a = this._randrange(new bn(2), n1);
    if (cb)
      cb(a);

    var x = a.toRed(red).redPow(d);
    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
      continue;

    for (var i = 1; i < s; i++) {
      x = x.redSqr();

      if (x.cmp(rone) === 0)
        return false;
      if (x.cmp(rn1) === 0)
        break;
    }

    if (i === s)
      return false;
  }

  return prime;
};

MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
  var len = n.bitLength();
  var red = bn.mont(n);
  var rone = new bn(1).toRed(red);

  if (!k)
    k = Math.max(1, (len / 48) | 0);

  // Find d and s, (n - 1) = (2 ^ s) * d;
  var n1 = n.subn(1);
  for (var s = 0; !n1.testn(s); s++) {}
  var d = n.shrn(s);

  var rn1 = n1.toRed(red);

  for (; k > 0; k--) {
    var a = this._randrange(new bn(2), n1);

    var g = n.gcd(a);
    if (g.cmpn(1) !== 0)
      return g;

    var x = a.toRed(red).redPow(d);
    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
      continue;

    for (var i = 1; i < s; i++) {
      x = x.redSqr();

      if (x.cmp(rone) === 0)
        return x.fromRed().subn(1).gcd(n);
      if (x.cmp(rn1) === 0)
        break;
    }

    if (i === s) {
      x = x.redSqr();
      return x.fromRed().subn(1).gcd(n);
    }
  }

  return false;
};


/***/ }),

/***/ 96240:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(56619).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 79746:
/***/ ((module) => {

module.exports = assert;

function assert(val, msg) {
  if (!val)
    throw new Error(msg || 'Assertion failed');
}

assert.equal = function assertEqual(l, r, msg) {
  if (l != r)
    throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
};


/***/ }),

/***/ 34504:
/***/ ((__unused_webpack_module, exports) => {

"use strict";


var utils = exports;

function toArray(msg, enc) {
  if (Array.isArray(msg))
    return msg.slice();
  if (!msg)
    return [];
  var res = [];
  if (typeof msg !== 'string') {
    for (var i = 0; i < msg.length; i++)
      res[i] = msg[i] | 0;
    return res;
  }
  if (enc === 'hex') {
    msg = msg.replace(/[^a-z0-9]+/ig, '');
    if (msg.length % 2 !== 0)
      msg = '0' + msg;
    for (var i = 0; i < msg.length; i += 2)
      res.push(parseInt(msg[i] + msg[i + 1], 16));
  } else {
    for (var i = 0; i < msg.length; i++) {
      var c = msg.charCodeAt(i);
      var hi = c >> 8;
      var lo = c & 0xff;
      if (hi)
        res.push(hi, lo);
      else
        res.push(lo);
    }
  }
  return res;
}
utils.toArray = toArray;

function zero2(word) {
  if (word.length === 1)
    return '0' + word;
  else
    return word;
}
utils.zero2 = zero2;

function toHex(msg) {
  var res = '';
  for (var i = 0; i < msg.length; i++)
    res += zero2(msg[i].toString(16));
  return res;
}
utils.toHex = toHex;

utils.encode = function encode(arr, enc) {
  if (enc === 'hex')
    return toHex(arr);
  else
    return arr;
};


/***/ }),

/***/ 24244:
/***/ ((module) => {

"use strict";


var numberIsNaN = function (value) {
	return value !== value;
};

module.exports = function is(a, b) {
	if (a === 0 && b === 0) {
		return 1 / a === 1 / b;
	}
	if (a === b) {
		return true;
	}
	if (numberIsNaN(a) && numberIsNaN(b)) {
		return true;
	}
	return false;
};



/***/ }),

/***/ 20609:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var define = __webpack_require__(4289);
var callBind = __webpack_require__(55559);

var implementation = __webpack_require__(24244);
var getPolyfill = __webpack_require__(75624);
var shim = __webpack_require__(52281);

var polyfill = callBind(getPolyfill(), Object);

define(polyfill, {
	getPolyfill: getPolyfill,
	implementation: implementation,
	shim: shim
});

module.exports = polyfill;


/***/ }),

/***/ 75624:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var implementation = __webpack_require__(24244);

module.exports = function getPolyfill() {
	return typeof Object.is === 'function' ? Object.is : implementation;
};


/***/ }),

/***/ 52281:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var getPolyfill = __webpack_require__(75624);
var define = __webpack_require__(4289);

module.exports = function shimObjectIs() {
	var polyfill = getPolyfill();
	define(Object, { is: polyfill }, {
		is: function testObjectIs() {
			return Object.is !== polyfill;
		}
	});
	return polyfill;
};


/***/ }),

/***/ 18987:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var keysShim;
if (!Object.keys) {
	// modified from https://github.com/es-shims/es5-shim
	var has = Object.prototype.hasOwnProperty;
	var toStr = Object.prototype.toString;
	var isArgs = __webpack_require__(21414); // eslint-disable-line global-require
	var isEnumerable = Object.prototype.propertyIsEnumerable;
	var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
	var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
	var dontEnums = [
		'toString',
		'toLocaleString',
		'valueOf',
		'hasOwnProperty',
		'isPrototypeOf',
		'propertyIsEnumerable',
		'constructor'
	];
	var equalsConstructorPrototype = function (o) {
		var ctor = o.constructor;
		return ctor && ctor.prototype === o;
	};
	var excludedKeys = {
		$applicationCache: true,
		$console: true,
		$external: true,
		$frame: true,
		$frameElement: true,
		$frames: true,
		$innerHeight: true,
		$innerWidth: true,
		$onmozfullscreenchange: true,
		$onmozfullscreenerror: true,
		$outerHeight: true,
		$outerWidth: true,
		$pageXOffset: true,
		$pageYOffset: true,
		$parent: true,
		$scrollLeft: true,
		$scrollTop: true,
		$scrollX: true,
		$scrollY: true,
		$self: true,
		$webkitIndexedDB: true,
		$webkitStorageInfo: true,
		$window: true
	};
	var hasAutomationEqualityBug = (function () {
		/* global window */
		if (typeof window === 'undefined') { return false; }
		for (var k in window) {
			try {
				if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
					try {
						equalsConstructorPrototype(window[k]);
					} catch (e) {
						return true;
					}
				}
			} catch (e) {
				return true;
			}
		}
		return false;
	}());
	var equalsConstructorPrototypeIfNotBuggy = function (o) {
		/* global window */
		if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
			return equalsConstructorPrototype(o);
		}
		try {
			return equalsConstructorPrototype(o);
		} catch (e) {
			return false;
		}
	};

	keysShim = function keys(object) {
		var isObject = object !== null && typeof object === 'object';
		var isFunction = toStr.call(object) === '[object Function]';
		var isArguments = isArgs(object);
		var isString = isObject && toStr.call(object) === '[object String]';
		var theKeys = [];

		if (!isObject && !isFunction && !isArguments) {
			throw new TypeError('Object.keys called on a non-object');
		}

		var skipProto = hasProtoEnumBug && isFunction;
		if (isString && object.length > 0 && !has.call(object, 0)) {
			for (var i = 0; i < object.length; ++i) {
				theKeys.push(String(i));
			}
		}

		if (isArguments && object.length > 0) {
			for (var j = 0; j < object.length; ++j) {
				theKeys.push(String(j));
			}
		} else {
			for (var name in object) {
				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
					theKeys.push(String(name));
				}
			}
		}

		if (hasDontEnumBug) {
			var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);

			for (var k = 0; k < dontEnums.length; ++k) {
				if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
					theKeys.push(dontEnums[k]);
				}
			}
		}
		return theKeys;
	};
}
module.exports = keysShim;


/***/ }),

/***/ 82215:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var slice = Array.prototype.slice;
var isArgs = __webpack_require__(21414);

var origKeys = Object.keys;
var keysShim = origKeys ? function keys(o) { return origKeys(o); } : __webpack_require__(18987);

var originalKeys = Object.keys;

keysShim.shim = function shimObjectKeys() {
	if (Object.keys) {
		var keysWorksWithArguments = (function () {
			// Safari 5.0 bug
			var args = Object.keys(arguments);
			return args && args.length === arguments.length;
		}(1, 2));
		if (!keysWorksWithArguments) {
			Object.keys = function keys(object) { // eslint-disable-line func-name-matching
				if (isArgs(object)) {
					return originalKeys(slice.call(object));
				}
				return originalKeys(object);
			};
		}
	} else {
		Object.keys = keysShim;
	}
	return Object.keys || keysShim;
};

module.exports = keysShim;


/***/ }),

/***/ 21414:
/***/ ((module) => {

"use strict";


var toStr = Object.prototype.toString;

module.exports = function isArguments(value) {
	var str = toStr.call(value);
	var isArgs = str === '[object Arguments]';
	if (!isArgs) {
		isArgs = str !== '[object Array]' &&
			value !== null &&
			typeof value === 'object' &&
			typeof value.length === 'number' &&
			value.length >= 0 &&
			toStr.call(value.callee) === '[object Function]';
	}
	return isArgs;
};


/***/ }),

/***/ 52818:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js
// Fedor, you are amazing.


var asn1 = __webpack_require__(39809)

exports.certificate = __webpack_require__(41934)

var RSAPrivateKey = asn1.define('RSAPrivateKey', function () {
  this.seq().obj(
    this.key('version').int(),
    this.key('modulus').int(),
    this.key('publicExponent').int(),
    this.key('privateExponent').int(),
    this.key('prime1').int(),
    this.key('prime2').int(),
    this.key('exponent1').int(),
    this.key('exponent2').int(),
    this.key('coefficient').int()
  )
})
exports.RSAPrivateKey = RSAPrivateKey

var RSAPublicKey = asn1.define('RSAPublicKey', function () {
  this.seq().obj(
    this.key('modulus').int(),
    this.key('publicExponent').int()
  )
})
exports.RSAPublicKey = RSAPublicKey

var PublicKey = asn1.define('SubjectPublicKeyInfo', function () {
  this.seq().obj(
    this.key('algorithm').use(AlgorithmIdentifier),
    this.key('subjectPublicKey').bitstr()
  )
})
exports.PublicKey = PublicKey

var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () {
  this.seq().obj(
    this.key('algorithm').objid(),
    this.key('none').null_().optional(),
    this.key('curve').objid().optional(),
    this.key('params').seq().obj(
      this.key('p').int(),
      this.key('q').int(),
      this.key('g').int()
    ).optional()
  )
})

var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () {
  this.seq().obj(
    this.key('version').int(),
    this.key('algorithm').use(AlgorithmIdentifier),
    this.key('subjectPrivateKey').octstr()
  )
})
exports.PrivateKey = PrivateKeyInfo
var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () {
  this.seq().obj(
    this.key('algorithm').seq().obj(
      this.key('id').objid(),
      this.key('decrypt').seq().obj(
        this.key('kde').seq().obj(
          this.key('id').objid(),
          this.key('kdeparams').seq().obj(
            this.key('salt').octstr(),
            this.key('iters').int()
          )
        ),
        this.key('cipher').seq().obj(
          this.key('algo').objid(),
          this.key('iv').octstr()
        )
      )
    ),
    this.key('subjectPrivateKey').octstr()
  )
})

exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo

var DSAPrivateKey = asn1.define('DSAPrivateKey', function () {
  this.seq().obj(
    this.key('version').int(),
    this.key('p').int(),
    this.key('q').int(),
    this.key('g').int(),
    this.key('pub_key').int(),
    this.key('priv_key').int()
  )
})
exports.DSAPrivateKey = DSAPrivateKey

exports.DSAparam = asn1.define('DSAparam', function () {
  this.int()
})

var ECPrivateKey = asn1.define('ECPrivateKey', function () {
  this.seq().obj(
    this.key('version').int(),
    this.key('privateKey').octstr(),
    this.key('parameters').optional().explicit(0).use(ECParameters),
    this.key('publicKey').optional().explicit(1).bitstr()
  )
})
exports.ECPrivateKey = ECPrivateKey

var ECParameters = asn1.define('ECParameters', function () {
  this.choice({
    namedCurve: this.objid()
  })
})

exports.signature = asn1.define('signature', function () {
  this.seq().obj(
    this.key('r').int(),
    this.key('s').int()
  )
})


/***/ }),

/***/ 41934:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// from https://github.com/Rantanen/node-dtls/blob/25a7dc861bda38cfeac93a723500eea4f0ac2e86/Certificate.js
// thanks to @Rantanen



var asn = __webpack_require__(39809)

var Time = asn.define('Time', function () {
  this.choice({
    utcTime: this.utctime(),
    generalTime: this.gentime()
  })
})

var AttributeTypeValue = asn.define('AttributeTypeValue', function () {
  this.seq().obj(
    this.key('type').objid(),
    this.key('value').any()
  )
})

var AlgorithmIdentifier = asn.define('AlgorithmIdentifier', function () {
  this.seq().obj(
    this.key('algorithm').objid(),
    this.key('parameters').optional(),
    this.key('curve').objid().optional()
  )
})

var SubjectPublicKeyInfo = asn.define('SubjectPublicKeyInfo', function () {
  this.seq().obj(
    this.key('algorithm').use(AlgorithmIdentifier),
    this.key('subjectPublicKey').bitstr()
  )
})

var RelativeDistinguishedName = asn.define('RelativeDistinguishedName', function () {
  this.setof(AttributeTypeValue)
})

var RDNSequence = asn.define('RDNSequence', function () {
  this.seqof(RelativeDistinguishedName)
})

var Name = asn.define('Name', function () {
  this.choice({
    rdnSequence: this.use(RDNSequence)
  })
})

var Validity = asn.define('Validity', function () {
  this.seq().obj(
    this.key('notBefore').use(Time),
    this.key('notAfter').use(Time)
  )
})

var Extension = asn.define('Extension', function () {
  this.seq().obj(
    this.key('extnID').objid(),
    this.key('critical').bool().def(false),
    this.key('extnValue').octstr()
  )
})

var TBSCertificate = asn.define('TBSCertificate', function () {
  this.seq().obj(
    this.key('version').explicit(0).int().optional(),
    this.key('serialNumber').int(),
    this.key('signature').use(AlgorithmIdentifier),
    this.key('issuer').use(Name),
    this.key('validity').use(Validity),
    this.key('subject').use(Name),
    this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo),
    this.key('issuerUniqueID').implicit(1).bitstr().optional(),
    this.key('subjectUniqueID').implicit(2).bitstr().optional(),
    this.key('extensions').explicit(3).seqof(Extension).optional()
  )
})

var X509Certificate = asn.define('X509Certificate', function () {
  this.seq().obj(
    this.key('tbsCertificate').use(TBSCertificate),
    this.key('signatureAlgorithm').use(AlgorithmIdentifier),
    this.key('signatureValue').bitstr()
  )
})

module.exports = X509Certificate


/***/ }),

/***/ 77631:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// adapted from https://github.com/apatil/pemstrip
var findProc = /Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r+/=]+)[\n\r]+/m
var startRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m
var fullRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r+/=]+)-----END \1-----$/m
var evp = __webpack_require__(13048)
var ciphers = __webpack_require__(44696)
var Buffer = (__webpack_require__(89509).Buffer)
module.exports = function (okey, password) {
  var key = okey.toString()
  var match = key.match(findProc)
  var decrypted
  if (!match) {
    var match2 = key.match(fullRegex)
    decrypted = Buffer.from(match2[2].replace(/[\r\n]/g, ''), 'base64')
  } else {
    var suite = 'aes' + match[1]
    var iv = Buffer.from(match[2], 'hex')
    var cipherText = Buffer.from(match[3].replace(/[\r\n]/g, ''), 'base64')
    var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
    var out = []
    var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
    out.push(cipher.update(cipherText))
    out.push(cipher.final())
    decrypted = Buffer.concat(out)
  }
  var tag = key.match(startRegex)[1]
  return {
    tag: tag,
    data: decrypted
  }
}


/***/ }),

/***/ 70980:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var asn1 = __webpack_require__(52818)
var aesid = __webpack_require__(22562)
var fixProc = __webpack_require__(77631)
var ciphers = __webpack_require__(44696)
var compat = __webpack_require__(25632)
var Buffer = (__webpack_require__(89509).Buffer)
module.exports = parseKeys

function parseKeys (buffer) {
  var password
  if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) {
    password = buffer.passphrase
    buffer = buffer.key
  }
  if (typeof buffer === 'string') {
    buffer = Buffer.from(buffer)
  }

  var stripped = fixProc(buffer, password)

  var type = stripped.tag
  var data = stripped.data
  var subtype, ndata
  switch (type) {
    case 'CERTIFICATE':
      ndata = asn1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo
      // falls through
    case 'PUBLIC KEY':
      if (!ndata) {
        ndata = asn1.PublicKey.decode(data, 'der')
      }
      subtype = ndata.algorithm.algorithm.join('.')
      switch (subtype) {
        case '1.2.840.113549.1.1.1':
          return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der')
        case '1.2.840.10045.2.1':
          ndata.subjectPrivateKey = ndata.subjectPublicKey
          return {
            type: 'ec',
            data: ndata
          }
        case '1.2.840.10040.4.1':
          ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der')
          return {
            type: 'dsa',
            data: ndata.algorithm.params
          }
        default: throw new Error('unknown key id ' + subtype)
      }
      // throw new Error('unknown key type ' + type)
    case 'ENCRYPTED PRIVATE KEY':
      data = asn1.EncryptedPrivateKey.decode(data, 'der')
      data = decrypt(data, password)
      // falls through
    case 'PRIVATE KEY':
      ndata = asn1.PrivateKey.decode(data, 'der')
      subtype = ndata.algorithm.algorithm.join('.')
      switch (subtype) {
        case '1.2.840.113549.1.1.1':
          return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der')
        case '1.2.840.10045.2.1':
          return {
            curve: ndata.algorithm.curve,
            privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey
          }
        case '1.2.840.10040.4.1':
          ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der')
          return {
            type: 'dsa',
            params: ndata.algorithm.params
          }
        default: throw new Error('unknown key id ' + subtype)
      }
      // throw new Error('unknown key type ' + type)
    case 'RSA PUBLIC KEY':
      return asn1.RSAPublicKey.decode(data, 'der')
    case 'RSA PRIVATE KEY':
      return asn1.RSAPrivateKey.decode(data, 'der')
    case 'DSA PRIVATE KEY':
      return {
        type: 'dsa',
        params: asn1.DSAPrivateKey.decode(data, 'der')
      }
    case 'EC PRIVATE KEY':
      data = asn1.ECPrivateKey.decode(data, 'der')
      return {
        curve: data.parameters.value,
        privateKey: data.privateKey
      }
    default: throw new Error('unknown key type ' + type)
  }
}
parseKeys.signature = asn1.signature
function decrypt (data, password) {
  var salt = data.algorithm.decrypt.kde.kdeparams.salt
  var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10)
  var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')]
  var iv = data.algorithm.decrypt.cipher.iv
  var cipherText = data.subjectPrivateKey
  var keylen = parseInt(algo.split('-')[1], 10) / 8
  var key = compat.pbkdf2Sync(password, salt, iters, keylen, 'sha1')
  var cipher = ciphers.createDecipheriv(algo, key, iv)
  var out = []
  out.push(cipher.update(cipherText))
  out.push(cipher.final())
  return Buffer.concat(out)
}


/***/ }),

/***/ 25632:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

exports.pbkdf2 = __webpack_require__(88638)
exports.pbkdf2Sync = __webpack_require__(91257)


/***/ }),

/***/ 88638:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var process = __webpack_require__(34155);
var Buffer = (__webpack_require__(89509).Buffer)

var checkParameters = __webpack_require__(77357)
var defaultEncoding = __webpack_require__(12368)
var sync = __webpack_require__(91257)
var toBuffer = __webpack_require__(57777)

var ZERO_BUF
var subtle = __webpack_require__.g.crypto && __webpack_require__.g.crypto.subtle
var toBrowser = {
  sha: 'SHA-1',
  'sha-1': 'SHA-1',
  sha1: 'SHA-1',
  sha256: 'SHA-256',
  'sha-256': 'SHA-256',
  sha384: 'SHA-384',
  'sha-384': 'SHA-384',
  'sha-512': 'SHA-512',
  sha512: 'SHA-512'
}
var checks = []
function checkNative (algo) {
  if (__webpack_require__.g.process && !__webpack_require__.g.process.browser) {
    return Promise.resolve(false)
  }
  if (!subtle || !subtle.importKey || !subtle.deriveBits) {
    return Promise.resolve(false)
  }
  if (checks[algo] !== undefined) {
    return checks[algo]
  }
  ZERO_BUF = ZERO_BUF || Buffer.alloc(8)
  var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo)
    .then(function () {
      return true
    }).catch(function () {
      return false
    })
  checks[algo] = prom
  return prom
}

function browserPbkdf2 (password, salt, iterations, length, algo) {
  return subtle.importKey(
    'raw', password, { name: 'PBKDF2' }, false, ['deriveBits']
  ).then(function (key) {
    return subtle.deriveBits({
      name: 'PBKDF2',
      salt: salt,
      iterations: iterations,
      hash: {
        name: algo
      }
    }, key, length << 3)
  }).then(function (res) {
    return Buffer.from(res)
  })
}

function resolvePromise (promise, callback) {
  promise.then(function (out) {
    process.nextTick(function () {
      callback(null, out)
    })
  }, function (e) {
    process.nextTick(function () {
      callback(e)
    })
  })
}
module.exports = function (password, salt, iterations, keylen, digest, callback) {
  if (typeof digest === 'function') {
    callback = digest
    digest = undefined
  }

  digest = digest || 'sha1'
  var algo = toBrowser[digest.toLowerCase()]

  if (!algo || typeof __webpack_require__.g.Promise !== 'function') {
    return process.nextTick(function () {
      var out
      try {
        out = sync(password, salt, iterations, keylen, digest)
      } catch (e) {
        return callback(e)
      }
      callback(null, out)
    })
  }

  checkParameters(iterations, keylen)
  password = toBuffer(password, defaultEncoding, 'Password')
  salt = toBuffer(salt, defaultEncoding, 'Salt')
  if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')

  resolvePromise(checkNative(algo).then(function (resp) {
    if (resp) return browserPbkdf2(password, salt, iterations, keylen, algo)

    return sync(password, salt, iterations, keylen, digest)
  }), callback)
}


/***/ }),

/***/ 12368:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var process = __webpack_require__(34155);
var defaultEncoding
/* istanbul ignore next */
if (process.browser) {
  defaultEncoding = 'utf-8'
} else if (process.version) {
  var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10)

  defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary'
} else {
  defaultEncoding = 'utf-8'
}
module.exports = defaultEncoding


/***/ }),

/***/ 77357:
/***/ ((module) => {

var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs

module.exports = function (iterations, keylen) {
  if (typeof iterations !== 'number') {
    throw new TypeError('Iterations not a number')
  }

  if (iterations < 0) {
    throw new TypeError('Bad iterations')
  }

  if (typeof keylen !== 'number') {
    throw new TypeError('Key length not a number')
  }

  if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
    throw new TypeError('Bad key length')
  }
}


/***/ }),

/***/ 91257:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var md5 = __webpack_require__(78028)
var RIPEMD160 = __webpack_require__(79785)
var sha = __webpack_require__(89072)
var Buffer = (__webpack_require__(89509).Buffer)

var checkParameters = __webpack_require__(77357)
var defaultEncoding = __webpack_require__(12368)
var toBuffer = __webpack_require__(57777)

var ZEROS = Buffer.alloc(128)
var sizes = {
  md5: 16,
  sha1: 20,
  sha224: 28,
  sha256: 32,
  sha384: 48,
  sha512: 64,
  rmd160: 20,
  ripemd160: 20
}

function Hmac (alg, key, saltLen) {
  var hash = getDigest(alg)
  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64

  if (key.length > blocksize) {
    key = hash(key)
  } else if (key.length < blocksize) {
    key = Buffer.concat([key, ZEROS], blocksize)
  }

  var ipad = Buffer.allocUnsafe(blocksize + sizes[alg])
  var opad = Buffer.allocUnsafe(blocksize + sizes[alg])
  for (var i = 0; i < blocksize; i++) {
    ipad[i] = key[i] ^ 0x36
    opad[i] = key[i] ^ 0x5C
  }

  var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4)
  ipad.copy(ipad1, 0, 0, blocksize)
  this.ipad1 = ipad1
  this.ipad2 = ipad
  this.opad = opad
  this.alg = alg
  this.blocksize = blocksize
  this.hash = hash
  this.size = sizes[alg]
}

Hmac.prototype.run = function (data, ipad) {
  data.copy(ipad, this.blocksize)
  var h = this.hash(ipad)
  h.copy(this.opad, this.blocksize)
  return this.hash(this.opad)
}

function getDigest (alg) {
  function shaFunc (data) {
    return sha(alg).update(data).digest()
  }
  function rmd160Func (data) {
    return new RIPEMD160().update(data).digest()
  }

  if (alg === 'rmd160' || alg === 'ripemd160') return rmd160Func
  if (alg === 'md5') return md5
  return shaFunc
}

function pbkdf2 (password, salt, iterations, keylen, digest) {
  checkParameters(iterations, keylen)
  password = toBuffer(password, defaultEncoding, 'Password')
  salt = toBuffer(salt, defaultEncoding, 'Salt')

  digest = digest || 'sha1'

  var hmac = new Hmac(digest, password, salt.length)

  var DK = Buffer.allocUnsafe(keylen)
  var block1 = Buffer.allocUnsafe(salt.length + 4)
  salt.copy(block1, 0, 0, salt.length)

  var destPos = 0
  var hLen = sizes[digest]
  var l = Math.ceil(keylen / hLen)

  for (var i = 1; i <= l; i++) {
    block1.writeUInt32BE(i, salt.length)

    var T = hmac.run(block1, hmac.ipad1)
    var U = T

    for (var j = 1; j < iterations; j++) {
      U = hmac.run(U, hmac.ipad2)
      for (var k = 0; k < hLen; k++) T[k] ^= U[k]
    }

    T.copy(DK, destPos)
    destPos += hLen
  }

  return DK
}

module.exports = pbkdf2


/***/ }),

/***/ 57777:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)

module.exports = function (thing, encoding, name) {
  if (Buffer.isBuffer(thing)) {
    return thing
  } else if (typeof thing === 'string') {
    return Buffer.from(thing, encoding)
  } else if (ArrayBuffer.isView(thing)) {
    return Buffer.from(thing.buffer)
  } else {
    throw new TypeError(name + ' must be a string, a Buffer, a typed array or a DataView')
  }
}


/***/ }),

/***/ 34155:
/***/ ((module) => {

// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };


/***/ }),

/***/ 7900:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

exports.publicEncrypt = __webpack_require__(16559)
exports.privateDecrypt = __webpack_require__(26138)

exports.privateEncrypt = function privateEncrypt (key, buf) {
  return exports.publicEncrypt(key, buf, true)
}

exports.publicDecrypt = function publicDecrypt (key, buf) {
  return exports.privateDecrypt(key, buf, true)
}


/***/ }),

/***/ 99199:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var createHash = __webpack_require__(23482)
var Buffer = (__webpack_require__(89509).Buffer)

module.exports = function (seed, len) {
  var t = Buffer.alloc(0)
  var i = 0
  var c
  while (t.length < len) {
    c = i2ops(i++)
    t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()])
  }
  return t.slice(0, len)
}

function i2ops (c) {
  var out = Buffer.allocUnsafe(4)
  out.writeUInt32BE(c, 0)
  return out
}


/***/ }),

/***/ 92144:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(77108).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 26138:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var parseKeys = __webpack_require__(70980)
var mgf = __webpack_require__(99199)
var xor = __webpack_require__(57859)
var BN = __webpack_require__(92144)
var crt = __webpack_require__(23663)
var createHash = __webpack_require__(23482)
var withPublic = __webpack_require__(84818)
var Buffer = (__webpack_require__(89509).Buffer)

module.exports = function privateDecrypt (privateKey, enc, reverse) {
  var padding
  if (privateKey.padding) {
    padding = privateKey.padding
  } else if (reverse) {
    padding = 1
  } else {
    padding = 4
  }

  var key = parseKeys(privateKey)
  var k = key.modulus.byteLength()
  if (enc.length > k || new BN(enc).cmp(key.modulus) >= 0) {
    throw new Error('decryption error')
  }
  var msg
  if (reverse) {
    msg = withPublic(new BN(enc), key)
  } else {
    msg = crt(enc, key)
  }
  var zBuffer = Buffer.alloc(k - msg.length)
  msg = Buffer.concat([zBuffer, msg], k)
  if (padding === 4) {
    return oaep(key, msg)
  } else if (padding === 1) {
    return pkcs1(key, msg, reverse)
  } else if (padding === 3) {
    return msg
  } else {
    throw new Error('unknown padding')
  }
}

function oaep (key, msg) {
  var k = key.modulus.byteLength()
  var iHash = createHash('sha1').update(Buffer.alloc(0)).digest()
  var hLen = iHash.length
  if (msg[0] !== 0) {
    throw new Error('decryption error')
  }
  var maskedSeed = msg.slice(1, hLen + 1)
  var maskedDb = msg.slice(hLen + 1)
  var seed = xor(maskedSeed, mgf(maskedDb, hLen))
  var db = xor(maskedDb, mgf(seed, k - hLen - 1))
  if (compare(iHash, db.slice(0, hLen))) {
    throw new Error('decryption error')
  }
  var i = hLen
  while (db[i] === 0) {
    i++
  }
  if (db[i++] !== 1) {
    throw new Error('decryption error')
  }
  return db.slice(i)
}

function pkcs1 (key, msg, reverse) {
  var p1 = msg.slice(0, 2)
  var i = 2
  var status = 0
  while (msg[i++] !== 0) {
    if (i >= msg.length) {
      status++
      break
    }
  }
  var ps = msg.slice(2, i - 1)

  if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)) {
    status++
  }
  if (ps.length < 8) {
    status++
  }
  if (status) {
    throw new Error('decryption error')
  }
  return msg.slice(i)
}
function compare (a, b) {
  a = Buffer.from(a)
  b = Buffer.from(b)
  var dif = 0
  var len = a.length
  if (a.length !== b.length) {
    dif++
    len = Math.min(a.length, b.length)
  }
  var i = -1
  while (++i < len) {
    dif += (a[i] ^ b[i])
  }
  return dif
}


/***/ }),

/***/ 16559:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var parseKeys = __webpack_require__(70980)
var randomBytes = __webpack_require__(61798)
var createHash = __webpack_require__(23482)
var mgf = __webpack_require__(99199)
var xor = __webpack_require__(57859)
var BN = __webpack_require__(92144)
var withPublic = __webpack_require__(84818)
var crt = __webpack_require__(23663)
var Buffer = (__webpack_require__(89509).Buffer)

module.exports = function publicEncrypt (publicKey, msg, reverse) {
  var padding
  if (publicKey.padding) {
    padding = publicKey.padding
  } else if (reverse) {
    padding = 1
  } else {
    padding = 4
  }
  var key = parseKeys(publicKey)
  var paddedMsg
  if (padding === 4) {
    paddedMsg = oaep(key, msg)
  } else if (padding === 1) {
    paddedMsg = pkcs1(key, msg, reverse)
  } else if (padding === 3) {
    paddedMsg = new BN(msg)
    if (paddedMsg.cmp(key.modulus) >= 0) {
      throw new Error('data too long for modulus')
    }
  } else {
    throw new Error('unknown padding')
  }
  if (reverse) {
    return crt(paddedMsg, key)
  } else {
    return withPublic(paddedMsg, key)
  }
}

function oaep (key, msg) {
  var k = key.modulus.byteLength()
  var mLen = msg.length
  var iHash = createHash('sha1').update(Buffer.alloc(0)).digest()
  var hLen = iHash.length
  var hLen2 = 2 * hLen
  if (mLen > k - hLen2 - 2) {
    throw new Error('message too long')
  }
  var ps = Buffer.alloc(k - mLen - hLen2 - 2)
  var dblen = k - hLen - 1
  var seed = randomBytes(hLen)
  var maskedDb = xor(Buffer.concat([iHash, ps, Buffer.alloc(1, 1), msg], dblen), mgf(seed, dblen))
  var maskedSeed = xor(seed, mgf(maskedDb, hLen))
  return new BN(Buffer.concat([Buffer.alloc(1), maskedSeed, maskedDb], k))
}
function pkcs1 (key, msg, reverse) {
  var mLen = msg.length
  var k = key.modulus.byteLength()
  if (mLen > k - 11) {
    throw new Error('message too long')
  }
  var ps
  if (reverse) {
    ps = Buffer.alloc(k - mLen - 3, 0xff)
  } else {
    ps = nonZero(k - mLen - 3)
  }
  return new BN(Buffer.concat([Buffer.from([0, reverse ? 1 : 2]), ps, Buffer.alloc(1), msg], k))
}
function nonZero (len) {
  var out = Buffer.allocUnsafe(len)
  var i = 0
  var cache = randomBytes(len * 2)
  var cur = 0
  var num
  while (i < len) {
    if (cur === cache.length) {
      cache = randomBytes(len * 2)
      cur = 0
    }
    num = cache[cur++]
    if (num) {
      out[i++] = num
    }
  }
  return out
}


/***/ }),

/***/ 84818:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var BN = __webpack_require__(92144)
var Buffer = (__webpack_require__(89509).Buffer)

function withPublic (paddedMsg, key) {
  return Buffer.from(paddedMsg
    .toRed(BN.mont(key.modulus))
    .redPow(new BN(key.publicExponent))
    .fromRed()
    .toArray())
}

module.exports = withPublic


/***/ }),

/***/ 57859:
/***/ ((module) => {

module.exports = function xor (a, b) {
  var len = a.length
  var i = -1
  while (++i < len) {
    a[i] ^= b[i]
  }
  return a
}


/***/ }),

/***/ 62587:
/***/ ((module) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



// If obj.hasOwnProperty has been overridden, then calling
// obj.hasOwnProperty(prop) will break.
// See: https://github.com/joyent/node/issues/1707
function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

module.exports = function(qs, sep, eq, options) {
  sep = sep || '&';
  eq = eq || '=';
  var obj = {};

  if (typeof qs !== 'string' || qs.length === 0) {
    return obj;
  }

  var regexp = /\+/g;
  qs = qs.split(sep);

  var maxKeys = 1000;
  if (options && typeof options.maxKeys === 'number') {
    maxKeys = options.maxKeys;
  }

  var len = qs.length;
  // maxKeys <= 0 means that we should not limit keys count
  if (maxKeys > 0 && len > maxKeys) {
    len = maxKeys;
  }

  for (var i = 0; i < len; ++i) {
    var x = qs[i].replace(regexp, '%20'),
        idx = x.indexOf(eq),
        kstr, vstr, k, v;

    if (idx >= 0) {
      kstr = x.substr(0, idx);
      vstr = x.substr(idx + 1);
    } else {
      kstr = x;
      vstr = '';
    }

    k = decodeURIComponent(kstr);
    v = decodeURIComponent(vstr);

    if (!hasOwnProperty(obj, k)) {
      obj[k] = v;
    } else if (Array.isArray(obj[k])) {
      obj[k].push(v);
    } else {
      obj[k] = [obj[k], v];
    }
  }

  return obj;
};


/***/ }),

/***/ 12361:
/***/ ((module) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



var stringifyPrimitive = function(v) {
  switch (typeof v) {
    case 'string':
      return v;

    case 'boolean':
      return v ? 'true' : 'false';

    case 'number':
      return isFinite(v) ? v : '';

    default:
      return '';
  }
};

module.exports = function(obj, sep, eq, name) {
  sep = sep || '&';
  eq = eq || '=';
  if (obj === null) {
    obj = undefined;
  }

  if (typeof obj === 'object') {
    return Object.keys(obj).map(function(k) {
      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
      if (Array.isArray(obj[k])) {
        return obj[k].map(function(v) {
          return ks + encodeURIComponent(stringifyPrimitive(v));
        }).join(sep);
      } else {
        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
      }
    }).join(sep);

  }

  if (!name) return '';
  return encodeURIComponent(stringifyPrimitive(name)) + eq +
         encodeURIComponent(stringifyPrimitive(obj));
};


/***/ }),

/***/ 17673:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";


exports.decode = exports.parse = __webpack_require__(62587);
exports.encode = exports.stringify = __webpack_require__(12361);


/***/ }),

/***/ 61798:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);


// limit of Crypto.getRandomValues()
// https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues
var MAX_BYTES = 65536

// Node supports requesting up to this number of bytes
// https://github.com/nodejs/node/blob/master/lib/internal/crypto/random.js#L48
var MAX_UINT32 = 4294967295

function oldBrowser () {
  throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11')
}

var Buffer = (__webpack_require__(89509).Buffer)
var crypto = __webpack_require__.g.crypto || __webpack_require__.g.msCrypto

if (crypto && crypto.getRandomValues) {
  module.exports = randomBytes
} else {
  module.exports = oldBrowser
}

function randomBytes (size, cb) {
  // phantomjs needs to throw
  if (size > MAX_UINT32) throw new RangeError('requested too many random bytes')

  var bytes = Buffer.allocUnsafe(size)

  if (size > 0) {  // getRandomValues fails on IE if size == 0
    if (size > MAX_BYTES) { // this is the max bytes crypto.getRandomValues
      // can do at once see https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
      for (var generated = 0; generated < size; generated += MAX_BYTES) {
        // buffer.slice automatically checks if the end is past the end of
        // the buffer so we don't have to here
        crypto.getRandomValues(bytes.slice(generated, generated + MAX_BYTES))
      }
    } else {
      crypto.getRandomValues(bytes)
    }
  }

  if (typeof cb === 'function') {
    return process.nextTick(function () {
      cb(null, bytes)
    })
  }

  return bytes
}


/***/ }),

/***/ 77963:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);


function oldBrowser () {
  throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
}
var safeBuffer = __webpack_require__(89509)
var randombytes = __webpack_require__(61798)
var Buffer = safeBuffer.Buffer
var kBufferMaxLength = safeBuffer.kMaxLength
var crypto = __webpack_require__.g.crypto || __webpack_require__.g.msCrypto
var kMaxUint32 = Math.pow(2, 32) - 1
function assertOffset (offset, length) {
  if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare
    throw new TypeError('offset must be a number')
  }

  if (offset > kMaxUint32 || offset < 0) {
    throw new TypeError('offset must be a uint32')
  }

  if (offset > kBufferMaxLength || offset > length) {
    throw new RangeError('offset out of range')
  }
}

function assertSize (size, offset, length) {
  if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare
    throw new TypeError('size must be a number')
  }

  if (size > kMaxUint32 || size < 0) {
    throw new TypeError('size must be a uint32')
  }

  if (size + offset > length || size > kBufferMaxLength) {
    throw new RangeError('buffer too small')
  }
}
if ((crypto && crypto.getRandomValues) || !process.browser) {
  exports.randomFill = randomFill
  exports.randomFillSync = randomFillSync
} else {
  exports.randomFill = oldBrowser
  exports.randomFillSync = oldBrowser
}
function randomFill (buf, offset, size, cb) {
  if (!Buffer.isBuffer(buf) && !(buf instanceof __webpack_require__.g.Uint8Array)) {
    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
  }

  if (typeof offset === 'function') {
    cb = offset
    offset = 0
    size = buf.length
  } else if (typeof size === 'function') {
    cb = size
    size = buf.length - offset
  } else if (typeof cb !== 'function') {
    throw new TypeError('"cb" argument must be a function')
  }
  assertOffset(offset, buf.length)
  assertSize(size, offset, buf.length)
  return actualFill(buf, offset, size, cb)
}

function actualFill (buf, offset, size, cb) {
  if (process.browser) {
    var ourBuf = buf.buffer
    var uint = new Uint8Array(ourBuf, offset, size)
    crypto.getRandomValues(uint)
    if (cb) {
      process.nextTick(function () {
        cb(null, buf)
      })
      return
    }
    return buf
  }
  if (cb) {
    randombytes(size, function (err, bytes) {
      if (err) {
        return cb(err)
      }
      bytes.copy(buf, offset)
      cb(null, buf)
    })
    return
  }
  var bytes = randombytes(size)
  bytes.copy(buf, offset)
  return buf
}
function randomFillSync (buf, offset, size) {
  if (typeof offset === 'undefined') {
    offset = 0
  }
  if (!Buffer.isBuffer(buf) && !(buf instanceof __webpack_require__.g.Uint8Array)) {
    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
  }

  assertOffset(offset, buf.length)

  if (size === undefined) size = buf.length - offset

  assertSize(size, offset, buf.length)

  return actualFill(buf, offset, size)
}


/***/ }),

/***/ 94281:
/***/ ((module) => {

"use strict";


function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

var codes = {};

function createErrorType(code, message, Base) {
  if (!Base) {
    Base = Error;
  }

  function getMessage(arg1, arg2, arg3) {
    if (typeof message === 'string') {
      return message;
    } else {
      return message(arg1, arg2, arg3);
    }
  }

  var NodeError =
  /*#__PURE__*/
  function (_Base) {
    _inheritsLoose(NodeError, _Base);

    function NodeError(arg1, arg2, arg3) {
      return _Base.call(this, getMessage(arg1, arg2, arg3)) || this;
    }

    return NodeError;
  }(Base);

  NodeError.prototype.name = Base.name;
  NodeError.prototype.code = code;
  codes[code] = NodeError;
} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js


function oneOf(expected, thing) {
  if (Array.isArray(expected)) {
    var len = expected.length;
    expected = expected.map(function (i) {
      return String(i);
    });

    if (len > 2) {
      return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
    } else if (len === 2) {
      return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
    } else {
      return "of ".concat(thing, " ").concat(expected[0]);
    }
  } else {
    return "of ".concat(thing, " ").concat(String(expected));
  }
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith


function startsWith(str, search, pos) {
  return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith


function endsWith(str, search, this_len) {
  if (this_len === undefined || this_len > str.length) {
    this_len = str.length;
  }

  return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes


function includes(str, search, start) {
  if (typeof start !== 'number') {
    start = 0;
  }

  if (start + search.length > str.length) {
    return false;
  } else {
    return str.indexOf(search, start) !== -1;
  }
}

createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) {
  return 'The value "' + value + '" is invalid for option "' + name + '"';
}, TypeError);
createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
  // determiner: 'must be' or 'must not be'
  var determiner;

  if (typeof expected === 'string' && startsWith(expected, 'not ')) {
    determiner = 'must not be';
    expected = expected.replace(/^not /, '');
  } else {
    determiner = 'must be';
  }

  var msg;

  if (endsWith(name, ' argument')) {
    // For cases like 'first argument'
    msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  } else {
    var type = includes(name, '.') ? 'property' : 'argument';
    msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  }

  msg += ". Received type ".concat(typeof actual);
  return msg;
}, TypeError);
createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF');
createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) {
  return 'The ' + name + ' method is not implemented';
});
createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close');
createErrorType('ERR_STREAM_DESTROYED', function (name) {
  return 'Cannot call ' + name + ' after a stream was destroyed';
});
createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times');
createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable');
createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end');
createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError);
createErrorType('ERR_UNKNOWN_ENCODING', function (arg) {
  return 'Unknown encoding: ' + arg;
}, TypeError);
createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event');
module.exports.q = codes;


/***/ }),

/***/ 56753:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// a duplex stream is just a stream that is both readable and writable.
// Since JS doesn't have multiple prototypal inheritance, this class
// prototypally inherits from Readable, and then parasitically from
// Writable.

/*<replacement>*/

var objectKeys = Object.keys || function (obj) {
  var keys = [];

  for (var key in obj) {
    keys.push(key);
  }

  return keys;
};
/*</replacement>*/


module.exports = Duplex;

var Readable = __webpack_require__(79481);

var Writable = __webpack_require__(64229);

__webpack_require__(35717)(Duplex, Readable);

{
  // Allow the keys array to be GC'ed.
  var keys = objectKeys(Writable.prototype);

  for (var v = 0; v < keys.length; v++) {
    var method = keys[v];
    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
  }
}

function Duplex(options) {
  if (!(this instanceof Duplex)) return new Duplex(options);
  Readable.call(this, options);
  Writable.call(this, options);
  this.allowHalfOpen = true;

  if (options) {
    if (options.readable === false) this.readable = false;
    if (options.writable === false) this.writable = false;

    if (options.allowHalfOpen === false) {
      this.allowHalfOpen = false;
      this.once('end', onend);
    }
  }
}

Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState.highWaterMark;
  }
});
Object.defineProperty(Duplex.prototype, 'writableBuffer', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState && this._writableState.getBuffer();
  }
});
Object.defineProperty(Duplex.prototype, 'writableLength', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState.length;
  }
}); // the no-half-open enforcer

function onend() {
  // If the writable side ended, then we're ok.
  if (this._writableState.ended) return; // no more data can be written.
  // But allow more writes to happen in this tick.

  process.nextTick(onEndNT, this);
}

function onEndNT(self) {
  self.end();
}

Object.defineProperty(Duplex.prototype, 'destroyed', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    if (this._readableState === undefined || this._writableState === undefined) {
      return false;
    }

    return this._readableState.destroyed && this._writableState.destroyed;
  },
  set: function set(value) {
    // we ignore the value if the stream
    // has not been initialized yet
    if (this._readableState === undefined || this._writableState === undefined) {
      return;
    } // backward compatibility, the user is explicitly
    // managing destroyed


    this._readableState.destroyed = value;
    this._writableState.destroyed = value;
  }
});

/***/ }),

/***/ 82725:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// a passthrough stream.
// basically just the most minimal sort of Transform stream.
// Every written chunk gets output as-is.


module.exports = PassThrough;

var Transform = __webpack_require__(74605);

__webpack_require__(35717)(PassThrough, Transform);

function PassThrough(options) {
  if (!(this instanceof PassThrough)) return new PassThrough(options);
  Transform.call(this, options);
}

PassThrough.prototype._transform = function (chunk, encoding, cb) {
  cb(null, chunk);
};

/***/ }),

/***/ 79481:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.


module.exports = Readable;
/*<replacement>*/

var Duplex;
/*</replacement>*/

Readable.ReadableState = ReadableState;
/*<replacement>*/

var EE = (__webpack_require__(17187).EventEmitter);

var EElistenerCount = function EElistenerCount(emitter, type) {
  return emitter.listeners(type).length;
};
/*</replacement>*/

/*<replacement>*/


var Stream = __webpack_require__(22503);
/*</replacement>*/


var Buffer = (__webpack_require__(48764).Buffer);

var OurUint8Array = __webpack_require__.g.Uint8Array || function () {};

function _uint8ArrayToBuffer(chunk) {
  return Buffer.from(chunk);
}

function _isUint8Array(obj) {
  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
}
/*<replacement>*/


var debugUtil = __webpack_require__(94616);

var debug;

if (debugUtil && debugUtil.debuglog) {
  debug = debugUtil.debuglog('stream');
} else {
  debug = function debug() {};
}
/*</replacement>*/


var BufferList = __webpack_require__(57327);

var destroyImpl = __webpack_require__(61195);

var _require = __webpack_require__(82457),
    getHighWaterMark = _require.getHighWaterMark;

var _require$codes = (__webpack_require__(94281)/* .codes */ .q),
    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
    ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF,
    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
    ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; // Lazy loaded to improve the startup performance.


var StringDecoder;
var createReadableStreamAsyncIterator;
var from;

__webpack_require__(35717)(Readable, Stream);

var errorOrDestroy = destroyImpl.errorOrDestroy;
var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];

function prependListener(emitter, event, fn) {
  // Sadly this is not cacheable as some libraries bundle their own
  // event emitter implementation with them.
  if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); // This is a hack to make sure that our error handler is attached before any
  // userland ones.  NEVER DO THIS. This is here only because this code needs
  // to continue to work with older versions of Node.js that do not include
  // the prependListener() method. The goal is to eventually remove this hack.

  if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
}

function ReadableState(options, stream, isDuplex) {
  Duplex = Duplex || __webpack_require__(56753);
  options = options || {}; // Duplex streams are both readable and writable, but share
  // the same options object.
  // However, some cases require setting options to different
  // values for the readable and the writable sides of the duplex stream.
  // These options can be provided separately as readableXXX and writableXXX.

  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag. Used to make read(n) ignore n and to
  // make all the buffer merging and length checks go away

  this.objectMode = !!options.objectMode;
  if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
  // Note: 0 is a valid value, means "don't call _read preemptively ever"

  this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); // A linked list is used to store data chunks instead of an array because the
  // linked list can remove elements from the beginning faster than
  // array.shift()

  this.buffer = new BufferList();
  this.length = 0;
  this.pipes = null;
  this.pipesCount = 0;
  this.flowing = null;
  this.ended = false;
  this.endEmitted = false;
  this.reading = false; // a flag to be able to tell if the event 'readable'/'data' is emitted
  // immediately, or on a later tick.  We set this to true at first, because
  // any actions that shouldn't happen until "later" should generally also
  // not happen before the first read call.

  this.sync = true; // whenever we return null, then we set a flag to say
  // that we're awaiting a 'readable' event emission.

  this.needReadable = false;
  this.emittedReadable = false;
  this.readableListening = false;
  this.resumeScheduled = false;
  this.paused = true; // Should close be emitted on destroy. Defaults to true.

  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'end' (and potentially 'finish')

  this.autoDestroy = !!options.autoDestroy; // has it been destroyed

  this.destroyed = false; // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.

  this.defaultEncoding = options.defaultEncoding || 'utf8'; // the number of writers that are awaiting a drain event in .pipe()s

  this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled

  this.readingMore = false;
  this.decoder = null;
  this.encoding = null;

  if (options.encoding) {
    if (!StringDecoder) StringDecoder = (__webpack_require__(32553)/* .StringDecoder */ .s);
    this.decoder = new StringDecoder(options.encoding);
    this.encoding = options.encoding;
  }
}

function Readable(options) {
  Duplex = Duplex || __webpack_require__(56753);
  if (!(this instanceof Readable)) return new Readable(options); // Checking for a Stream.Duplex instance is faster here instead of inside
  // the ReadableState constructor, at least with V8 6.5

  var isDuplex = this instanceof Duplex;
  this._readableState = new ReadableState(options, this, isDuplex); // legacy

  this.readable = true;

  if (options) {
    if (typeof options.read === 'function') this._read = options.read;
    if (typeof options.destroy === 'function') this._destroy = options.destroy;
  }

  Stream.call(this);
}

Object.defineProperty(Readable.prototype, 'destroyed', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    if (this._readableState === undefined) {
      return false;
    }

    return this._readableState.destroyed;
  },
  set: function set(value) {
    // we ignore the value if the stream
    // has not been initialized yet
    if (!this._readableState) {
      return;
    } // backward compatibility, the user is explicitly
    // managing destroyed


    this._readableState.destroyed = value;
  }
});
Readable.prototype.destroy = destroyImpl.destroy;
Readable.prototype._undestroy = destroyImpl.undestroy;

Readable.prototype._destroy = function (err, cb) {
  cb(err);
}; // Manually shove something into the read() buffer.
// This returns true if the highWaterMark has not been hit yet,
// similar to how Writable.write() returns true if you should
// write() some more.


Readable.prototype.push = function (chunk, encoding) {
  var state = this._readableState;
  var skipChunkCheck;

  if (!state.objectMode) {
    if (typeof chunk === 'string') {
      encoding = encoding || state.defaultEncoding;

      if (encoding !== state.encoding) {
        chunk = Buffer.from(chunk, encoding);
        encoding = '';
      }

      skipChunkCheck = true;
    }
  } else {
    skipChunkCheck = true;
  }

  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
}; // Unshift should *always* be something directly out of read()


Readable.prototype.unshift = function (chunk) {
  return readableAddChunk(this, chunk, null, true, false);
};

function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
  debug('readableAddChunk', chunk);
  var state = stream._readableState;

  if (chunk === null) {
    state.reading = false;
    onEofChunk(stream, state);
  } else {
    var er;
    if (!skipChunkCheck) er = chunkInvalid(state, chunk);

    if (er) {
      errorOrDestroy(stream, er);
    } else if (state.objectMode || chunk && chunk.length > 0) {
      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
        chunk = _uint8ArrayToBuffer(chunk);
      }

      if (addToFront) {
        if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true);
      } else if (state.ended) {
        errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF());
      } else if (state.destroyed) {
        return false;
      } else {
        state.reading = false;

        if (state.decoder && !encoding) {
          chunk = state.decoder.write(chunk);
          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
        } else {
          addChunk(stream, state, chunk, false);
        }
      }
    } else if (!addToFront) {
      state.reading = false;
      maybeReadMore(stream, state);
    }
  } // We can push more data if we are below the highWaterMark.
  // Also, if we have no data yet, we can stand some more bytes.
  // This is to work around cases where hwm=0, such as the repl.


  return !state.ended && (state.length < state.highWaterMark || state.length === 0);
}

function addChunk(stream, state, chunk, addToFront) {
  if (state.flowing && state.length === 0 && !state.sync) {
    state.awaitDrain = 0;
    stream.emit('data', chunk);
  } else {
    // update the buffer info.
    state.length += state.objectMode ? 1 : chunk.length;
    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
    if (state.needReadable) emitReadable(stream);
  }

  maybeReadMore(stream, state);
}

function chunkInvalid(state, chunk) {
  var er;

  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk);
  }

  return er;
}

Readable.prototype.isPaused = function () {
  return this._readableState.flowing === false;
}; // backwards compatibility.


Readable.prototype.setEncoding = function (enc) {
  if (!StringDecoder) StringDecoder = (__webpack_require__(32553)/* .StringDecoder */ .s);
  var decoder = new StringDecoder(enc);
  this._readableState.decoder = decoder; // If setEncoding(null), decoder.encoding equals utf8

  this._readableState.encoding = this._readableState.decoder.encoding; // Iterate over current buffer to convert already stored Buffers:

  var p = this._readableState.buffer.head;
  var content = '';

  while (p !== null) {
    content += decoder.write(p.data);
    p = p.next;
  }

  this._readableState.buffer.clear();

  if (content !== '') this._readableState.buffer.push(content);
  this._readableState.length = content.length;
  return this;
}; // Don't raise the hwm > 1GB


var MAX_HWM = 0x40000000;

function computeNewHighWaterMark(n) {
  if (n >= MAX_HWM) {
    // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE.
    n = MAX_HWM;
  } else {
    // Get the next highest power of 2 to prevent increasing hwm excessively in
    // tiny amounts
    n--;
    n |= n >>> 1;
    n |= n >>> 2;
    n |= n >>> 4;
    n |= n >>> 8;
    n |= n >>> 16;
    n++;
  }

  return n;
} // This function is designed to be inlinable, so please take care when making
// changes to the function body.


function howMuchToRead(n, state) {
  if (n <= 0 || state.length === 0 && state.ended) return 0;
  if (state.objectMode) return 1;

  if (n !== n) {
    // Only flow one buffer at a time
    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
  } // If we're asking for more than the current hwm, then raise the hwm.


  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
  if (n <= state.length) return n; // Don't have enough

  if (!state.ended) {
    state.needReadable = true;
    return 0;
  }

  return state.length;
} // you can override either this method, or the async _read(n) below.


Readable.prototype.read = function (n) {
  debug('read', n);
  n = parseInt(n, 10);
  var state = this._readableState;
  var nOrig = n;
  if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
  // already have a bunch of data in the buffer, then just trigger
  // the 'readable' event and move on.

  if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) {
    debug('read: emitReadable', state.length, state.ended);
    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
    return null;
  }

  n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.

  if (n === 0 && state.ended) {
    if (state.length === 0) endReadable(this);
    return null;
  } // All the actual chunk generation logic needs to be
  // *below* the call to _read.  The reason is that in certain
  // synthetic stream cases, such as passthrough streams, _read
  // may be a completely synchronous operation which may change
  // the state of the read buffer, providing enough data when
  // before there was *not* enough.
  //
  // So, the steps are:
  // 1. Figure out what the state of things will be after we do
  // a read from the buffer.
  //
  // 2. If that resulting state will trigger a _read, then call _read.
  // Note that this may be asynchronous, or synchronous.  Yes, it is
  // deeply ugly to write APIs this way, but that still doesn't mean
  // that the Readable class should behave improperly, as streams are
  // designed to be sync/async agnostic.
  // Take note if the _read call is sync or async (ie, if the read call
  // has returned yet), so that we know whether or not it's safe to emit
  // 'readable' etc.
  //
  // 3. Actually pull the requested chunks out of the buffer and return.
  // if we need a readable event, then we need to do some reading.


  var doRead = state.needReadable;
  debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some

  if (state.length === 0 || state.length - n < state.highWaterMark) {
    doRead = true;
    debug('length less than watermark', doRead);
  } // however, if we've ended, then there's no point, and if we're already
  // reading, then it's unnecessary.


  if (state.ended || state.reading) {
    doRead = false;
    debug('reading or ended', doRead);
  } else if (doRead) {
    debug('do read');
    state.reading = true;
    state.sync = true; // if the length is currently zero, then we *need* a readable event.

    if (state.length === 0) state.needReadable = true; // call internal read method

    this._read(state.highWaterMark);

    state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
    // and we need to re-evaluate how much data we can return to the user.

    if (!state.reading) n = howMuchToRead(nOrig, state);
  }

  var ret;
  if (n > 0) ret = fromList(n, state);else ret = null;

  if (ret === null) {
    state.needReadable = state.length <= state.highWaterMark;
    n = 0;
  } else {
    state.length -= n;
    state.awaitDrain = 0;
  }

  if (state.length === 0) {
    // If we have nothing in the buffer, then we want to know
    // as soon as we *do* get something into the buffer.
    if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.

    if (nOrig !== n && state.ended) endReadable(this);
  }

  if (ret !== null) this.emit('data', ret);
  return ret;
};

function onEofChunk(stream, state) {
  debug('onEofChunk');
  if (state.ended) return;

  if (state.decoder) {
    var chunk = state.decoder.end();

    if (chunk && chunk.length) {
      state.buffer.push(chunk);
      state.length += state.objectMode ? 1 : chunk.length;
    }
  }

  state.ended = true;

  if (state.sync) {
    // if we are sync, wait until next tick to emit the data.
    // Otherwise we risk emitting data in the flow()
    // the readable code triggers during a read() call
    emitReadable(stream);
  } else {
    // emit 'readable' now to make sure it gets picked up.
    state.needReadable = false;

    if (!state.emittedReadable) {
      state.emittedReadable = true;
      emitReadable_(stream);
    }
  }
} // Don't emit readable right away in sync mode, because this can trigger
// another read() call => stack overflow.  This way, it might trigger
// a nextTick recursion warning, but that's not so bad.


function emitReadable(stream) {
  var state = stream._readableState;
  debug('emitReadable', state.needReadable, state.emittedReadable);
  state.needReadable = false;

  if (!state.emittedReadable) {
    debug('emitReadable', state.flowing);
    state.emittedReadable = true;
    process.nextTick(emitReadable_, stream);
  }
}

function emitReadable_(stream) {
  var state = stream._readableState;
  debug('emitReadable_', state.destroyed, state.length, state.ended);

  if (!state.destroyed && (state.length || state.ended)) {
    stream.emit('readable');
    state.emittedReadable = false;
  } // The stream needs another readable event if
  // 1. It is not flowing, as the flow mechanism will take
  //    care of it.
  // 2. It is not ended.
  // 3. It is below the highWaterMark, so we can schedule
  //    another readable later.


  state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark;
  flow(stream);
} // at this point, the user has presumably seen the 'readable' event,
// and called read() to consume some data.  that may have triggered
// in turn another _read(n) call, in which case reading = true if
// it's in progress.
// However, if we're not ended, or reading, and the length < hwm,
// then go ahead and try to read some more preemptively.


function maybeReadMore(stream, state) {
  if (!state.readingMore) {
    state.readingMore = true;
    process.nextTick(maybeReadMore_, stream, state);
  }
}

function maybeReadMore_(stream, state) {
  // Attempt to read more data if we should.
  //
  // The conditions for reading more data are (one of):
  // - Not enough data buffered (state.length < state.highWaterMark). The loop
  //   is responsible for filling the buffer with enough data if such data
  //   is available. If highWaterMark is 0 and we are not in the flowing mode
  //   we should _not_ attempt to buffer any extra data. We'll get more data
  //   when the stream consumer calls read() instead.
  // - No data in the buffer, and the stream is in flowing mode. In this mode
  //   the loop below is responsible for ensuring read() is called. Failing to
  //   call read here would abort the flow and there's no other mechanism for
  //   continuing the flow if the stream consumer has just subscribed to the
  //   'data' event.
  //
  // In addition to the above conditions to keep reading data, the following
  // conditions prevent the data from being read:
  // - The stream has ended (state.ended).
  // - There is already a pending 'read' operation (state.reading). This is a
  //   case where the the stream has called the implementation defined _read()
  //   method, but they are processing the call asynchronously and have _not_
  //   called push() with new data. In this case we skip performing more
  //   read()s. The execution ends in this method again after the _read() ends
  //   up calling push() with more data.
  while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) {
    var len = state.length;
    debug('maybeReadMore read 0');
    stream.read(0);
    if (len === state.length) // didn't get any data, stop spinning.
      break;
  }

  state.readingMore = false;
} // abstract method.  to be overridden in specific implementation classes.
// call cb(er, data) where data is <= n in length.
// for virtual (non-string, non-buffer) streams, "length" is somewhat
// arbitrary, and perhaps not very meaningful.


Readable.prototype._read = function (n) {
  errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()'));
};

Readable.prototype.pipe = function (dest, pipeOpts) {
  var src = this;
  var state = this._readableState;

  switch (state.pipesCount) {
    case 0:
      state.pipes = dest;
      break;

    case 1:
      state.pipes = [state.pipes, dest];
      break;

    default:
      state.pipes.push(dest);
      break;
  }

  state.pipesCount += 1;
  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
  var endFn = doEnd ? onend : unpipe;
  if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn);
  dest.on('unpipe', onunpipe);

  function onunpipe(readable, unpipeInfo) {
    debug('onunpipe');

    if (readable === src) {
      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
        unpipeInfo.hasUnpiped = true;
        cleanup();
      }
    }
  }

  function onend() {
    debug('onend');
    dest.end();
  } // when the dest drains, it reduces the awaitDrain counter
  // on the source.  This would be more elegant with a .once()
  // handler in flow(), but adding and removing repeatedly is
  // too slow.


  var ondrain = pipeOnDrain(src);
  dest.on('drain', ondrain);
  var cleanedUp = false;

  function cleanup() {
    debug('cleanup'); // cleanup event handlers once the pipe is broken

    dest.removeListener('close', onclose);
    dest.removeListener('finish', onfinish);
    dest.removeListener('drain', ondrain);
    dest.removeListener('error', onerror);
    dest.removeListener('unpipe', onunpipe);
    src.removeListener('end', onend);
    src.removeListener('end', unpipe);
    src.removeListener('data', ondata);
    cleanedUp = true; // if the reader is waiting for a drain event from this
    // specific writer, then it would cause it to never start
    // flowing again.
    // So, if this is awaiting a drain, then we just call it now.
    // If we don't know, then assume that we are waiting for one.

    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
  }

  src.on('data', ondata);

  function ondata(chunk) {
    debug('ondata');
    var ret = dest.write(chunk);
    debug('dest.write', ret);

    if (ret === false) {
      // If the user unpiped during `dest.write()`, it is possible
      // to get stuck in a permanently paused state if that write
      // also returned false.
      // => Check whether `dest` is still a piping destination.
      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
        debug('false write response, pause', state.awaitDrain);
        state.awaitDrain++;
      }

      src.pause();
    }
  } // if the dest has an error, then stop piping into it.
  // however, don't suppress the throwing behavior for this.


  function onerror(er) {
    debug('onerror', er);
    unpipe();
    dest.removeListener('error', onerror);
    if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er);
  } // Make sure our error handler is attached before userland ones.


  prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.

  function onclose() {
    dest.removeListener('finish', onfinish);
    unpipe();
  }

  dest.once('close', onclose);

  function onfinish() {
    debug('onfinish');
    dest.removeListener('close', onclose);
    unpipe();
  }

  dest.once('finish', onfinish);

  function unpipe() {
    debug('unpipe');
    src.unpipe(dest);
  } // tell the dest that it's being piped to


  dest.emit('pipe', src); // start the flow if it hasn't been started already.

  if (!state.flowing) {
    debug('pipe resume');
    src.resume();
  }

  return dest;
};

function pipeOnDrain(src) {
  return function pipeOnDrainFunctionResult() {
    var state = src._readableState;
    debug('pipeOnDrain', state.awaitDrain);
    if (state.awaitDrain) state.awaitDrain--;

    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
      state.flowing = true;
      flow(src);
    }
  };
}

Readable.prototype.unpipe = function (dest) {
  var state = this._readableState;
  var unpipeInfo = {
    hasUnpiped: false
  }; // if we're not piping anywhere, then do nothing.

  if (state.pipesCount === 0) return this; // just one destination.  most common case.

  if (state.pipesCount === 1) {
    // passed in one, but it's not the right one.
    if (dest && dest !== state.pipes) return this;
    if (!dest) dest = state.pipes; // got a match.

    state.pipes = null;
    state.pipesCount = 0;
    state.flowing = false;
    if (dest) dest.emit('unpipe', this, unpipeInfo);
    return this;
  } // slow case. multiple pipe destinations.


  if (!dest) {
    // remove all.
    var dests = state.pipes;
    var len = state.pipesCount;
    state.pipes = null;
    state.pipesCount = 0;
    state.flowing = false;

    for (var i = 0; i < len; i++) {
      dests[i].emit('unpipe', this, {
        hasUnpiped: false
      });
    }

    return this;
  } // try to find the right one.


  var index = indexOf(state.pipes, dest);
  if (index === -1) return this;
  state.pipes.splice(index, 1);
  state.pipesCount -= 1;
  if (state.pipesCount === 1) state.pipes = state.pipes[0];
  dest.emit('unpipe', this, unpipeInfo);
  return this;
}; // set up data events if they are asked for
// Ensure readable listeners eventually get something


Readable.prototype.on = function (ev, fn) {
  var res = Stream.prototype.on.call(this, ev, fn);
  var state = this._readableState;

  if (ev === 'data') {
    // update readableListening so that resume() may be a no-op
    // a few lines down. This is needed to support once('readable').
    state.readableListening = this.listenerCount('readable') > 0; // Try start flowing on next tick if stream isn't explicitly paused

    if (state.flowing !== false) this.resume();
  } else if (ev === 'readable') {
    if (!state.endEmitted && !state.readableListening) {
      state.readableListening = state.needReadable = true;
      state.flowing = false;
      state.emittedReadable = false;
      debug('on readable', state.length, state.reading);

      if (state.length) {
        emitReadable(this);
      } else if (!state.reading) {
        process.nextTick(nReadingNextTick, this);
      }
    }
  }

  return res;
};

Readable.prototype.addListener = Readable.prototype.on;

Readable.prototype.removeListener = function (ev, fn) {
  var res = Stream.prototype.removeListener.call(this, ev, fn);

  if (ev === 'readable') {
    // We need to check if there is someone still listening to
    // readable and reset the state. However this needs to happen
    // after readable has been emitted but before I/O (nextTick) to
    // support once('readable', fn) cycles. This means that calling
    // resume within the same tick will have no
    // effect.
    process.nextTick(updateReadableListening, this);
  }

  return res;
};

Readable.prototype.removeAllListeners = function (ev) {
  var res = Stream.prototype.removeAllListeners.apply(this, arguments);

  if (ev === 'readable' || ev === undefined) {
    // We need to check if there is someone still listening to
    // readable and reset the state. However this needs to happen
    // after readable has been emitted but before I/O (nextTick) to
    // support once('readable', fn) cycles. This means that calling
    // resume within the same tick will have no
    // effect.
    process.nextTick(updateReadableListening, this);
  }

  return res;
};

function updateReadableListening(self) {
  var state = self._readableState;
  state.readableListening = self.listenerCount('readable') > 0;

  if (state.resumeScheduled && !state.paused) {
    // flowing needs to be set to true now, otherwise
    // the upcoming resume will not flow.
    state.flowing = true; // crude way to check if we should resume
  } else if (self.listenerCount('data') > 0) {
    self.resume();
  }
}

function nReadingNextTick(self) {
  debug('readable nexttick read 0');
  self.read(0);
} // pause() and resume() are remnants of the legacy readable stream API
// If the user uses them, then switch into old mode.


Readable.prototype.resume = function () {
  var state = this._readableState;

  if (!state.flowing) {
    debug('resume'); // we flow only if there is no one listening
    // for readable, but we still have to call
    // resume()

    state.flowing = !state.readableListening;
    resume(this, state);
  }

  state.paused = false;
  return this;
};

function resume(stream, state) {
  if (!state.resumeScheduled) {
    state.resumeScheduled = true;
    process.nextTick(resume_, stream, state);
  }
}

function resume_(stream, state) {
  debug('resume', state.reading);

  if (!state.reading) {
    stream.read(0);
  }

  state.resumeScheduled = false;
  stream.emit('resume');
  flow(stream);
  if (state.flowing && !state.reading) stream.read(0);
}

Readable.prototype.pause = function () {
  debug('call pause flowing=%j', this._readableState.flowing);

  if (this._readableState.flowing !== false) {
    debug('pause');
    this._readableState.flowing = false;
    this.emit('pause');
  }

  this._readableState.paused = true;
  return this;
};

function flow(stream) {
  var state = stream._readableState;
  debug('flow', state.flowing);

  while (state.flowing && stream.read() !== null) {
    ;
  }
} // wrap an old-style stream as the async data source.
// This is *not* part of the readable stream interface.
// It is an ugly unfortunate mess of history.


Readable.prototype.wrap = function (stream) {
  var _this = this;

  var state = this._readableState;
  var paused = false;
  stream.on('end', function () {
    debug('wrapped end');

    if (state.decoder && !state.ended) {
      var chunk = state.decoder.end();
      if (chunk && chunk.length) _this.push(chunk);
    }

    _this.push(null);
  });
  stream.on('data', function (chunk) {
    debug('wrapped data');
    if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode

    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;

    var ret = _this.push(chunk);

    if (!ret) {
      paused = true;
      stream.pause();
    }
  }); // proxy all the other methods.
  // important when wrapping filters and duplexes.

  for (var i in stream) {
    if (this[i] === undefined && typeof stream[i] === 'function') {
      this[i] = function methodWrap(method) {
        return function methodWrapReturnFunction() {
          return stream[method].apply(stream, arguments);
        };
      }(i);
    }
  } // proxy certain important events.


  for (var n = 0; n < kProxyEvents.length; n++) {
    stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
  } // when we try to consume some more bytes, simply unpause the
  // underlying stream.


  this._read = function (n) {
    debug('wrapped _read', n);

    if (paused) {
      paused = false;
      stream.resume();
    }
  };

  return this;
};

if (typeof Symbol === 'function') {
  Readable.prototype[Symbol.asyncIterator] = function () {
    if (createReadableStreamAsyncIterator === undefined) {
      createReadableStreamAsyncIterator = __webpack_require__(45850);
    }

    return createReadableStreamAsyncIterator(this);
  };
}

Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._readableState.highWaterMark;
  }
});
Object.defineProperty(Readable.prototype, 'readableBuffer', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._readableState && this._readableState.buffer;
  }
});
Object.defineProperty(Readable.prototype, 'readableFlowing', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._readableState.flowing;
  },
  set: function set(state) {
    if (this._readableState) {
      this._readableState.flowing = state;
    }
  }
}); // exposed for testing purposes only.

Readable._fromList = fromList;
Object.defineProperty(Readable.prototype, 'readableLength', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._readableState.length;
  }
}); // Pluck off n bytes from an array of buffers.
// Length is the combined lengths of all the buffers in the list.
// This function is designed to be inlinable, so please take care when making
// changes to the function body.

function fromList(n, state) {
  // nothing buffered
  if (state.length === 0) return null;
  var ret;
  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
    // read it all, truncate the list
    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length);
    state.buffer.clear();
  } else {
    // read part of list
    ret = state.buffer.consume(n, state.decoder);
  }
  return ret;
}

function endReadable(stream) {
  var state = stream._readableState;
  debug('endReadable', state.endEmitted);

  if (!state.endEmitted) {
    state.ended = true;
    process.nextTick(endReadableNT, state, stream);
  }
}

function endReadableNT(state, stream) {
  debug('endReadableNT', state.endEmitted, state.length); // Check that we didn't get one last unshift.

  if (!state.endEmitted && state.length === 0) {
    state.endEmitted = true;
    stream.readable = false;
    stream.emit('end');

    if (state.autoDestroy) {
      // In case of duplex streams we need a way to detect
      // if the writable side is ready for autoDestroy as well
      var wState = stream._writableState;

      if (!wState || wState.autoDestroy && wState.finished) {
        stream.destroy();
      }
    }
  }
}

if (typeof Symbol === 'function') {
  Readable.from = function (iterable, opts) {
    if (from === undefined) {
      from = __webpack_require__(15167);
    }

    return from(Readable, iterable, opts);
  };
}

function indexOf(xs, x) {
  for (var i = 0, l = xs.length; i < l; i++) {
    if (xs[i] === x) return i;
  }

  return -1;
}

/***/ }),

/***/ 74605:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// a transform stream is a readable/writable stream where you do
// something with the data.  Sometimes it's called a "filter",
// but that's not a great name for it, since that implies a thing where
// some bits pass through, and others are simply ignored.  (That would
// be a valid example of a transform, of course.)
//
// While the output is causally related to the input, it's not a
// necessarily symmetric or synchronous transformation.  For example,
// a zlib stream might take multiple plain-text writes(), and then
// emit a single compressed chunk some time in the future.
//
// Here's how this works:
//
// The Transform stream has all the aspects of the readable and writable
// stream classes.  When you write(chunk), that calls _write(chunk,cb)
// internally, and returns false if there's a lot of pending writes
// buffered up.  When you call read(), that calls _read(n) until
// there's enough pending readable data buffered up.
//
// In a transform stream, the written data is placed in a buffer.  When
// _read(n) is called, it transforms the queued up data, calling the
// buffered _write cb's as it consumes chunks.  If consuming a single
// written chunk would result in multiple output chunks, then the first
// outputted bit calls the readcb, and subsequent chunks just go into
// the read buffer, and will cause it to emit 'readable' if necessary.
//
// This way, back-pressure is actually determined by the reading side,
// since _read has to be called to start processing a new chunk.  However,
// a pathological inflate type of transform can cause excessive buffering
// here.  For example, imagine a stream where every byte of input is
// interpreted as an integer from 0-255, and then results in that many
// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
// 1kb of data being output.  In this case, you could write a very small
// amount of input, and end up with a very large amount of output.  In
// such a pathological inflating mechanism, there'd be no way to tell
// the system to stop doing the transform.  A single 4MB write could
// cause the system to run out of memory.
//
// However, even in such a pathological case, only a single written chunk
// would be consumed, and then the rest would wait (un-transformed) until
// the results of the previous transformed chunk were consumed.


module.exports = Transform;

var _require$codes = (__webpack_require__(94281)/* .codes */ .q),
    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
    ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,
    ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0;

var Duplex = __webpack_require__(56753);

__webpack_require__(35717)(Transform, Duplex);

function afterTransform(er, data) {
  var ts = this._transformState;
  ts.transforming = false;
  var cb = ts.writecb;

  if (cb === null) {
    return this.emit('error', new ERR_MULTIPLE_CALLBACK());
  }

  ts.writechunk = null;
  ts.writecb = null;
  if (data != null) // single equals check for both `null` and `undefined`
    this.push(data);
  cb(er);
  var rs = this._readableState;
  rs.reading = false;

  if (rs.needReadable || rs.length < rs.highWaterMark) {
    this._read(rs.highWaterMark);
  }
}

function Transform(options) {
  if (!(this instanceof Transform)) return new Transform(options);
  Duplex.call(this, options);
  this._transformState = {
    afterTransform: afterTransform.bind(this),
    needTransform: false,
    transforming: false,
    writecb: null,
    writechunk: null,
    writeencoding: null
  }; // start out asking for a readable event once data is transformed.

  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
  // that Readable wants before the first _read call, so unset the
  // sync guard flag.

  this._readableState.sync = false;

  if (options) {
    if (typeof options.transform === 'function') this._transform = options.transform;
    if (typeof options.flush === 'function') this._flush = options.flush;
  } // When the writable side finishes, then flush out anything remaining.


  this.on('prefinish', prefinish);
}

function prefinish() {
  var _this = this;

  if (typeof this._flush === 'function' && !this._readableState.destroyed) {
    this._flush(function (er, data) {
      done(_this, er, data);
    });
  } else {
    done(this, null, null);
  }
}

Transform.prototype.push = function (chunk, encoding) {
  this._transformState.needTransform = false;
  return Duplex.prototype.push.call(this, chunk, encoding);
}; // This is the part where you do stuff!
// override this function in implementation classes.
// 'chunk' is an input chunk.
//
// Call `push(newChunk)` to pass along transformed output
// to the readable side.  You may call 'push' zero or more times.
//
// Call `cb(err)` when you are done with this chunk.  If you pass
// an error, then that'll put the hurt on the whole operation.  If you
// never call cb(), then you'll never get another chunk.


Transform.prototype._transform = function (chunk, encoding, cb) {
  cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()'));
};

Transform.prototype._write = function (chunk, encoding, cb) {
  var ts = this._transformState;
  ts.writecb = cb;
  ts.writechunk = chunk;
  ts.writeencoding = encoding;

  if (!ts.transforming) {
    var rs = this._readableState;
    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
  }
}; // Doesn't matter what the args are here.
// _transform does all the work.
// That we got here means that the readable side wants more data.


Transform.prototype._read = function (n) {
  var ts = this._transformState;

  if (ts.writechunk !== null && !ts.transforming) {
    ts.transforming = true;

    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
  } else {
    // mark that we need a transform, so that any data that comes in
    // will get processed, now that we've asked for it.
    ts.needTransform = true;
  }
};

Transform.prototype._destroy = function (err, cb) {
  Duplex.prototype._destroy.call(this, err, function (err2) {
    cb(err2);
  });
};

function done(stream, er, data) {
  if (er) return stream.emit('error', er);
  if (data != null) // single equals check for both `null` and `undefined`
    stream.push(data); // TODO(BridgeAR): Write a test for these two error cases
  // if there's nothing in the write buffer, then that means
  // that nothing more will ever be provided

  if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0();
  if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING();
  return stream.push(null);
}

/***/ }),

/***/ 64229:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// A bit simpler than readable streams.
// Implement an async ._write(chunk, encoding, cb), and it'll handle all
// the drain event emission and buffering.


module.exports = Writable;
/* <replacement> */

function WriteReq(chunk, encoding, cb) {
  this.chunk = chunk;
  this.encoding = encoding;
  this.callback = cb;
  this.next = null;
} // It seems a linked list but it is not
// there will be only 2 of these for each stream


function CorkedRequest(state) {
  var _this = this;

  this.next = null;
  this.entry = null;

  this.finish = function () {
    onCorkedFinish(_this, state);
  };
}
/* </replacement> */

/*<replacement>*/


var Duplex;
/*</replacement>*/

Writable.WritableState = WritableState;
/*<replacement>*/

var internalUtil = {
  deprecate: __webpack_require__(94927)
};
/*</replacement>*/

/*<replacement>*/

var Stream = __webpack_require__(22503);
/*</replacement>*/


var Buffer = (__webpack_require__(48764).Buffer);

var OurUint8Array = __webpack_require__.g.Uint8Array || function () {};

function _uint8ArrayToBuffer(chunk) {
  return Buffer.from(chunk);
}

function _isUint8Array(obj) {
  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
}

var destroyImpl = __webpack_require__(61195);

var _require = __webpack_require__(82457),
    getHighWaterMark = _require.getHighWaterMark;

var _require$codes = (__webpack_require__(94281)/* .codes */ .q),
    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
    ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE,
    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED,
    ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES,
    ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END,
    ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING;

var errorOrDestroy = destroyImpl.errorOrDestroy;

__webpack_require__(35717)(Writable, Stream);

function nop() {}

function WritableState(options, stream, isDuplex) {
  Duplex = Duplex || __webpack_require__(56753);
  options = options || {}; // Duplex streams are both readable and writable, but share
  // the same options object.
  // However, some cases require setting options to different
  // values for the readable and the writable sides of the duplex stream,
  // e.g. options.readableObjectMode vs. options.writableObjectMode, etc.

  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream
  // contains buffers or objects.

  this.objectMode = !!options.objectMode;
  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
  // Note: 0 is a valid value, means that we always return false if
  // the entire buffer is not flushed immediately on write()

  this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called

  this.finalCalled = false; // drain event flag.

  this.needDrain = false; // at the start of calling end()

  this.ending = false; // when end() has been called, and returned

  this.ended = false; // when 'finish' is emitted

  this.finished = false; // has it been destroyed

  this.destroyed = false; // should we decode strings into buffers before passing to _write?
  // this is here so that some node-core streams can optimize string
  // handling at a lower level.

  var noDecode = options.decodeStrings === false;
  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.

  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
  // of how much we're waiting to get pushed to some underlying
  // socket or file.

  this.length = 0; // a flag to see when we're in the middle of a write.

  this.writing = false; // when true all writes will be buffered until .uncork() call

  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
  // or on a later tick.  We set this to true at first, because any
  // actions that shouldn't happen until "later" should generally also
  // not happen before the first write call.

  this.sync = true; // a flag to know if we're processing previously buffered items, which
  // may call the _write() callback in the same tick, so that we don't
  // end up in an overlapped onwrite situation.

  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)

  this.onwrite = function (er) {
    onwrite(stream, er);
  }; // the callback that the user supplies to write(chunk,encoding,cb)


  this.writecb = null; // the amount that is being written when _write is called.

  this.writelen = 0;
  this.bufferedRequest = null;
  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
  // this must be 0 before 'finish' can be emitted

  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
  // This is relevant for synchronous Transform streams

  this.prefinished = false; // True if the error was already emitted and should not be thrown again

  this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true.

  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end')

  this.autoDestroy = !!options.autoDestroy; // count buffered requests

  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
  // one allocated and free to use, and we maintain at most two

  this.corkedRequestsFree = new CorkedRequest(this);
}

WritableState.prototype.getBuffer = function getBuffer() {
  var current = this.bufferedRequest;
  var out = [];

  while (current) {
    out.push(current);
    current = current.next;
  }

  return out;
};

(function () {
  try {
    Object.defineProperty(WritableState.prototype, 'buffer', {
      get: internalUtil.deprecate(function writableStateBufferGetter() {
        return this.getBuffer();
      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
    });
  } catch (_) {}
})(); // Test _writableState for inheritance to account for Duplex streams,
// whose prototype chain only points to Readable.


var realHasInstance;

if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
  realHasInstance = Function.prototype[Symbol.hasInstance];
  Object.defineProperty(Writable, Symbol.hasInstance, {
    value: function value(object) {
      if (realHasInstance.call(this, object)) return true;
      if (this !== Writable) return false;
      return object && object._writableState instanceof WritableState;
    }
  });
} else {
  realHasInstance = function realHasInstance(object) {
    return object instanceof this;
  };
}

function Writable(options) {
  Duplex = Duplex || __webpack_require__(56753); // Writable ctor is applied to Duplexes, too.
  // `realHasInstance` is necessary because using plain `instanceof`
  // would return false, as no `_writableState` property is attached.
  // Trying to use the custom `instanceof` for Writable here will also break the
  // Node.js LazyTransform implementation, which has a non-trivial getter for
  // `_writableState` that would lead to infinite recursion.
  // Checking for a Stream.Duplex instance is faster here instead of inside
  // the WritableState constructor, at least with V8 6.5

  var isDuplex = this instanceof Duplex;
  if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options);
  this._writableState = new WritableState(options, this, isDuplex); // legacy.

  this.writable = true;

  if (options) {
    if (typeof options.write === 'function') this._write = options.write;
    if (typeof options.writev === 'function') this._writev = options.writev;
    if (typeof options.destroy === 'function') this._destroy = options.destroy;
    if (typeof options.final === 'function') this._final = options.final;
  }

  Stream.call(this);
} // Otherwise people can pipe Writable streams, which is just wrong.


Writable.prototype.pipe = function () {
  errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE());
};

function writeAfterEnd(stream, cb) {
  var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb

  errorOrDestroy(stream, er);
  process.nextTick(cb, er);
} // Checks that a user-supplied chunk is valid, especially for the particular
// mode the stream is in. Currently this means that `null` is never accepted
// and undefined/non-string values are only allowed in object mode.


function validChunk(stream, state, chunk, cb) {
  var er;

  if (chunk === null) {
    er = new ERR_STREAM_NULL_VALUES();
  } else if (typeof chunk !== 'string' && !state.objectMode) {
    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
  }

  if (er) {
    errorOrDestroy(stream, er);
    process.nextTick(cb, er);
    return false;
  }

  return true;
}

Writable.prototype.write = function (chunk, encoding, cb) {
  var state = this._writableState;
  var ret = false;

  var isBuf = !state.objectMode && _isUint8Array(chunk);

  if (isBuf && !Buffer.isBuffer(chunk)) {
    chunk = _uint8ArrayToBuffer(chunk);
  }

  if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
  if (typeof cb !== 'function') cb = nop;
  if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
    state.pendingcb++;
    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
  }
  return ret;
};

Writable.prototype.cork = function () {
  this._writableState.corked++;
};

Writable.prototype.uncork = function () {
  var state = this._writableState;

  if (state.corked) {
    state.corked--;
    if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
  }
};

Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
  // node::ParseEncoding() requires lower case.
  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding);
  this._writableState.defaultEncoding = encoding;
  return this;
};

Object.defineProperty(Writable.prototype, 'writableBuffer', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState && this._writableState.getBuffer();
  }
});

function decodeChunk(state, chunk, encoding) {
  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
    chunk = Buffer.from(chunk, encoding);
  }

  return chunk;
}

Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState.highWaterMark;
  }
}); // if we're already writing something, then just put this
// in the queue, and wait our turn.  Otherwise, call _write
// If we return false, then we need a drain event, so set that flag.

function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
  if (!isBuf) {
    var newChunk = decodeChunk(state, chunk, encoding);

    if (chunk !== newChunk) {
      isBuf = true;
      encoding = 'buffer';
      chunk = newChunk;
    }
  }

  var len = state.objectMode ? 1 : chunk.length;
  state.length += len;
  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.

  if (!ret) state.needDrain = true;

  if (state.writing || state.corked) {
    var last = state.lastBufferedRequest;
    state.lastBufferedRequest = {
      chunk: chunk,
      encoding: encoding,
      isBuf: isBuf,
      callback: cb,
      next: null
    };

    if (last) {
      last.next = state.lastBufferedRequest;
    } else {
      state.bufferedRequest = state.lastBufferedRequest;
    }

    state.bufferedRequestCount += 1;
  } else {
    doWrite(stream, state, false, len, chunk, encoding, cb);
  }

  return ret;
}

function doWrite(stream, state, writev, len, chunk, encoding, cb) {
  state.writelen = len;
  state.writecb = cb;
  state.writing = true;
  state.sync = true;
  if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
  state.sync = false;
}

function onwriteError(stream, state, sync, er, cb) {
  --state.pendingcb;

  if (sync) {
    // defer the callback if we are being called synchronously
    // to avoid piling up things on the stack
    process.nextTick(cb, er); // this can emit finish, and it will always happen
    // after error

    process.nextTick(finishMaybe, stream, state);
    stream._writableState.errorEmitted = true;
    errorOrDestroy(stream, er);
  } else {
    // the caller expect this to happen before if
    // it is async
    cb(er);
    stream._writableState.errorEmitted = true;
    errorOrDestroy(stream, er); // this can emit finish, but finish must
    // always follow error

    finishMaybe(stream, state);
  }
}

function onwriteStateUpdate(state) {
  state.writing = false;
  state.writecb = null;
  state.length -= state.writelen;
  state.writelen = 0;
}

function onwrite(stream, er) {
  var state = stream._writableState;
  var sync = state.sync;
  var cb = state.writecb;
  if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK();
  onwriteStateUpdate(state);
  if (er) onwriteError(stream, state, sync, er, cb);else {
    // Check if we're actually ready to finish, but don't emit yet
    var finished = needFinish(state) || stream.destroyed;

    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
      clearBuffer(stream, state);
    }

    if (sync) {
      process.nextTick(afterWrite, stream, state, finished, cb);
    } else {
      afterWrite(stream, state, finished, cb);
    }
  }
}

function afterWrite(stream, state, finished, cb) {
  if (!finished) onwriteDrain(stream, state);
  state.pendingcb--;
  cb();
  finishMaybe(stream, state);
} // Must force callback to be called on nextTick, so that we don't
// emit 'drain' before the write() consumer gets the 'false' return
// value, and has a chance to attach a 'drain' listener.


function onwriteDrain(stream, state) {
  if (state.length === 0 && state.needDrain) {
    state.needDrain = false;
    stream.emit('drain');
  }
} // if there's something in the buffer waiting, then process it


function clearBuffer(stream, state) {
  state.bufferProcessing = true;
  var entry = state.bufferedRequest;

  if (stream._writev && entry && entry.next) {
    // Fast case, write everything using _writev()
    var l = state.bufferedRequestCount;
    var buffer = new Array(l);
    var holder = state.corkedRequestsFree;
    holder.entry = entry;
    var count = 0;
    var allBuffers = true;

    while (entry) {
      buffer[count] = entry;
      if (!entry.isBuf) allBuffers = false;
      entry = entry.next;
      count += 1;
    }

    buffer.allBuffers = allBuffers;
    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
    // as the hot path ends with doWrite

    state.pendingcb++;
    state.lastBufferedRequest = null;

    if (holder.next) {
      state.corkedRequestsFree = holder.next;
      holder.next = null;
    } else {
      state.corkedRequestsFree = new CorkedRequest(state);
    }

    state.bufferedRequestCount = 0;
  } else {
    // Slow case, write chunks one-by-one
    while (entry) {
      var chunk = entry.chunk;
      var encoding = entry.encoding;
      var cb = entry.callback;
      var len = state.objectMode ? 1 : chunk.length;
      doWrite(stream, state, false, len, chunk, encoding, cb);
      entry = entry.next;
      state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then
      // it means that we need to wait until it does.
      // also, that means that the chunk and cb are currently
      // being processed, so move the buffer counter past them.

      if (state.writing) {
        break;
      }
    }

    if (entry === null) state.lastBufferedRequest = null;
  }

  state.bufferedRequest = entry;
  state.bufferProcessing = false;
}

Writable.prototype._write = function (chunk, encoding, cb) {
  cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
};

Writable.prototype._writev = null;

Writable.prototype.end = function (chunk, encoding, cb) {
  var state = this._writableState;

  if (typeof chunk === 'function') {
    cb = chunk;
    chunk = null;
    encoding = null;
  } else if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks

  if (state.corked) {
    state.corked = 1;
    this.uncork();
  } // ignore unnecessary end() calls.


  if (!state.ending) endWritable(this, state, cb);
  return this;
};

Object.defineProperty(Writable.prototype, 'writableLength', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    return this._writableState.length;
  }
});

function needFinish(state) {
  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
}

function callFinal(stream, state) {
  stream._final(function (err) {
    state.pendingcb--;

    if (err) {
      errorOrDestroy(stream, err);
    }

    state.prefinished = true;
    stream.emit('prefinish');
    finishMaybe(stream, state);
  });
}

function prefinish(stream, state) {
  if (!state.prefinished && !state.finalCalled) {
    if (typeof stream._final === 'function' && !state.destroyed) {
      state.pendingcb++;
      state.finalCalled = true;
      process.nextTick(callFinal, stream, state);
    } else {
      state.prefinished = true;
      stream.emit('prefinish');
    }
  }
}

function finishMaybe(stream, state) {
  var need = needFinish(state);

  if (need) {
    prefinish(stream, state);

    if (state.pendingcb === 0) {
      state.finished = true;
      stream.emit('finish');

      if (state.autoDestroy) {
        // In case of duplex streams we need a way to detect
        // if the readable side is ready for autoDestroy as well
        var rState = stream._readableState;

        if (!rState || rState.autoDestroy && rState.endEmitted) {
          stream.destroy();
        }
      }
    }
  }

  return need;
}

function endWritable(stream, state, cb) {
  state.ending = true;
  finishMaybe(stream, state);

  if (cb) {
    if (state.finished) process.nextTick(cb);else stream.once('finish', cb);
  }

  state.ended = true;
  stream.writable = false;
}

function onCorkedFinish(corkReq, state, err) {
  var entry = corkReq.entry;
  corkReq.entry = null;

  while (entry) {
    var cb = entry.callback;
    state.pendingcb--;
    cb(err);
    entry = entry.next;
  } // reuse the free corkReq.


  state.corkedRequestsFree.next = corkReq;
}

Object.defineProperty(Writable.prototype, 'destroyed', {
  // making it explicit this property is not enumerable
  // because otherwise some prototype manipulation in
  // userland will fail
  enumerable: false,
  get: function get() {
    if (this._writableState === undefined) {
      return false;
    }

    return this._writableState.destroyed;
  },
  set: function set(value) {
    // we ignore the value if the stream
    // has not been initialized yet
    if (!this._writableState) {
      return;
    } // backward compatibility, the user is explicitly
    // managing destroyed


    this._writableState.destroyed = value;
  }
});
Writable.prototype.destroy = destroyImpl.destroy;
Writable.prototype._undestroy = destroyImpl.undestroy;

Writable.prototype._destroy = function (err, cb) {
  cb(err);
};

/***/ }),

/***/ 45850:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);


var _Object$setPrototypeO;

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var finished = __webpack_require__(8610);

var kLastResolve = Symbol('lastResolve');
var kLastReject = Symbol('lastReject');
var kError = Symbol('error');
var kEnded = Symbol('ended');
var kLastPromise = Symbol('lastPromise');
var kHandlePromise = Symbol('handlePromise');
var kStream = Symbol('stream');

function createIterResult(value, done) {
  return {
    value: value,
    done: done
  };
}

function readAndResolve(iter) {
  var resolve = iter[kLastResolve];

  if (resolve !== null) {
    var data = iter[kStream].read(); // we defer if data is null
    // we can be expecting either 'end' or
    // 'error'

    if (data !== null) {
      iter[kLastPromise] = null;
      iter[kLastResolve] = null;
      iter[kLastReject] = null;
      resolve(createIterResult(data, false));
    }
  }
}

function onReadable(iter) {
  // we wait for the next tick, because it might
  // emit an error with process.nextTick
  process.nextTick(readAndResolve, iter);
}

function wrapForNext(lastPromise, iter) {
  return function (resolve, reject) {
    lastPromise.then(function () {
      if (iter[kEnded]) {
        resolve(createIterResult(undefined, true));
        return;
      }

      iter[kHandlePromise](resolve, reject);
    }, reject);
  };
}

var AsyncIteratorPrototype = Object.getPrototypeOf(function () {});
var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPrototypeO = {
  get stream() {
    return this[kStream];
  },

  next: function next() {
    var _this = this;

    // if we have detected an error in the meanwhile
    // reject straight away
    var error = this[kError];

    if (error !== null) {
      return Promise.reject(error);
    }

    if (this[kEnded]) {
      return Promise.resolve(createIterResult(undefined, true));
    }

    if (this[kStream].destroyed) {
      // We need to defer via nextTick because if .destroy(err) is
      // called, the error will be emitted via nextTick, and
      // we cannot guarantee that there is no error lingering around
      // waiting to be emitted.
      return new Promise(function (resolve, reject) {
        process.nextTick(function () {
          if (_this[kError]) {
            reject(_this[kError]);
          } else {
            resolve(createIterResult(undefined, true));
          }
        });
      });
    } // if we have multiple next() calls
    // we will wait for the previous Promise to finish
    // this logic is optimized to support for await loops,
    // where next() is only called once at a time


    var lastPromise = this[kLastPromise];
    var promise;

    if (lastPromise) {
      promise = new Promise(wrapForNext(lastPromise, this));
    } else {
      // fast path needed to support multiple this.push()
      // without triggering the next() queue
      var data = this[kStream].read();

      if (data !== null) {
        return Promise.resolve(createIterResult(data, false));
      }

      promise = new Promise(this[kHandlePromise]);
    }

    this[kLastPromise] = promise;
    return promise;
  }
}, _defineProperty(_Object$setPrototypeO, Symbol.asyncIterator, function () {
  return this;
}), _defineProperty(_Object$setPrototypeO, "return", function _return() {
  var _this2 = this;

  // destroy(err, cb) is a private API
  // we can guarantee we have that here, because we control the
  // Readable class this is attached to
  return new Promise(function (resolve, reject) {
    _this2[kStream].destroy(null, function (err) {
      if (err) {
        reject(err);
        return;
      }

      resolve(createIterResult(undefined, true));
    });
  });
}), _Object$setPrototypeO), AsyncIteratorPrototype);

var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterator(stream) {
  var _Object$create;

  var iterator = Object.create(ReadableStreamAsyncIteratorPrototype, (_Object$create = {}, _defineProperty(_Object$create, kStream, {
    value: stream,
    writable: true
  }), _defineProperty(_Object$create, kLastResolve, {
    value: null,
    writable: true
  }), _defineProperty(_Object$create, kLastReject, {
    value: null,
    writable: true
  }), _defineProperty(_Object$create, kError, {
    value: null,
    writable: true
  }), _defineProperty(_Object$create, kEnded, {
    value: stream._readableState.endEmitted,
    writable: true
  }), _defineProperty(_Object$create, kHandlePromise, {
    value: function value(resolve, reject) {
      var data = iterator[kStream].read();

      if (data) {
        iterator[kLastPromise] = null;
        iterator[kLastResolve] = null;
        iterator[kLastReject] = null;
        resolve(createIterResult(data, false));
      } else {
        iterator[kLastResolve] = resolve;
        iterator[kLastReject] = reject;
      }
    },
    writable: true
  }), _Object$create));
  iterator[kLastPromise] = null;
  finished(stream, function (err) {
    if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') {
      var reject = iterator[kLastReject]; // reject if we are waiting for data in the Promise
      // returned by next() and store the error

      if (reject !== null) {
        iterator[kLastPromise] = null;
        iterator[kLastResolve] = null;
        iterator[kLastReject] = null;
        reject(err);
      }

      iterator[kError] = err;
      return;
    }

    var resolve = iterator[kLastResolve];

    if (resolve !== null) {
      iterator[kLastPromise] = null;
      iterator[kLastResolve] = null;
      iterator[kLastReject] = null;
      resolve(createIterResult(undefined, true));
    }

    iterator[kEnded] = true;
  });
  stream.on('readable', onReadable.bind(null, iterator));
  return iterator;
};

module.exports = createReadableStreamAsyncIterator;

/***/ }),

/***/ 57327:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var _require = __webpack_require__(48764),
    Buffer = _require.Buffer;

var _require2 = __webpack_require__(52361),
    inspect = _require2.inspect;

var custom = inspect && inspect.custom || 'inspect';

function copyBuffer(src, target, offset) {
  Buffer.prototype.copy.call(src, target, offset);
}

module.exports =
/*#__PURE__*/
function () {
  function BufferList() {
    _classCallCheck(this, BufferList);

    this.head = null;
    this.tail = null;
    this.length = 0;
  }

  _createClass(BufferList, [{
    key: "push",
    value: function push(v) {
      var entry = {
        data: v,
        next: null
      };
      if (this.length > 0) this.tail.next = entry;else this.head = entry;
      this.tail = entry;
      ++this.length;
    }
  }, {
    key: "unshift",
    value: function unshift(v) {
      var entry = {
        data: v,
        next: this.head
      };
      if (this.length === 0) this.tail = entry;
      this.head = entry;
      ++this.length;
    }
  }, {
    key: "shift",
    value: function shift() {
      if (this.length === 0) return;
      var ret = this.head.data;
      if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
      --this.length;
      return ret;
    }
  }, {
    key: "clear",
    value: function clear() {
      this.head = this.tail = null;
      this.length = 0;
    }
  }, {
    key: "join",
    value: function join(s) {
      if (this.length === 0) return '';
      var p = this.head;
      var ret = '' + p.data;

      while (p = p.next) {
        ret += s + p.data;
      }

      return ret;
    }
  }, {
    key: "concat",
    value: function concat(n) {
      if (this.length === 0) return Buffer.alloc(0);
      var ret = Buffer.allocUnsafe(n >>> 0);
      var p = this.head;
      var i = 0;

      while (p) {
        copyBuffer(p.data, ret, i);
        i += p.data.length;
        p = p.next;
      }

      return ret;
    } // Consumes a specified amount of bytes or characters from the buffered data.

  }, {
    key: "consume",
    value: function consume(n, hasStrings) {
      var ret;

      if (n < this.head.data.length) {
        // `slice` is the same for buffers and strings.
        ret = this.head.data.slice(0, n);
        this.head.data = this.head.data.slice(n);
      } else if (n === this.head.data.length) {
        // First chunk is a perfect match.
        ret = this.shift();
      } else {
        // Result spans more than one buffer.
        ret = hasStrings ? this._getString(n) : this._getBuffer(n);
      }

      return ret;
    }
  }, {
    key: "first",
    value: function first() {
      return this.head.data;
    } // Consumes a specified amount of characters from the buffered data.

  }, {
    key: "_getString",
    value: function _getString(n) {
      var p = this.head;
      var c = 1;
      var ret = p.data;
      n -= ret.length;

      while (p = p.next) {
        var str = p.data;
        var nb = n > str.length ? str.length : n;
        if (nb === str.length) ret += str;else ret += str.slice(0, n);
        n -= nb;

        if (n === 0) {
          if (nb === str.length) {
            ++c;
            if (p.next) this.head = p.next;else this.head = this.tail = null;
          } else {
            this.head = p;
            p.data = str.slice(nb);
          }

          break;
        }

        ++c;
      }

      this.length -= c;
      return ret;
    } // Consumes a specified amount of bytes from the buffered data.

  }, {
    key: "_getBuffer",
    value: function _getBuffer(n) {
      var ret = Buffer.allocUnsafe(n);
      var p = this.head;
      var c = 1;
      p.data.copy(ret);
      n -= p.data.length;

      while (p = p.next) {
        var buf = p.data;
        var nb = n > buf.length ? buf.length : n;
        buf.copy(ret, ret.length - n, 0, nb);
        n -= nb;

        if (n === 0) {
          if (nb === buf.length) {
            ++c;
            if (p.next) this.head = p.next;else this.head = this.tail = null;
          } else {
            this.head = p;
            p.data = buf.slice(nb);
          }

          break;
        }

        ++c;
      }

      this.length -= c;
      return ret;
    } // Make sure the linked list only shows the minimal necessary information.

  }, {
    key: custom,
    value: function value(_, options) {
      return inspect(this, _objectSpread({}, options, {
        // Only inspect one level.
        depth: 0,
        // It should not recurse.
        customInspect: false
      }));
    }
  }]);

  return BufferList;
}();

/***/ }),

/***/ 61195:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
 // undocumented cb() API, needed for core, not for public API

function destroy(err, cb) {
  var _this = this;

  var readableDestroyed = this._readableState && this._readableState.destroyed;
  var writableDestroyed = this._writableState && this._writableState.destroyed;

  if (readableDestroyed || writableDestroyed) {
    if (cb) {
      cb(err);
    } else if (err) {
      if (!this._writableState) {
        process.nextTick(emitErrorNT, this, err);
      } else if (!this._writableState.errorEmitted) {
        this._writableState.errorEmitted = true;
        process.nextTick(emitErrorNT, this, err);
      }
    }

    return this;
  } // we set destroyed to true before firing error callbacks in order
  // to make it re-entrance safe in case destroy() is called within callbacks


  if (this._readableState) {
    this._readableState.destroyed = true;
  } // if this is a duplex stream mark the writable part as destroyed as well


  if (this._writableState) {
    this._writableState.destroyed = true;
  }

  this._destroy(err || null, function (err) {
    if (!cb && err) {
      if (!_this._writableState) {
        process.nextTick(emitErrorAndCloseNT, _this, err);
      } else if (!_this._writableState.errorEmitted) {
        _this._writableState.errorEmitted = true;
        process.nextTick(emitErrorAndCloseNT, _this, err);
      } else {
        process.nextTick(emitCloseNT, _this);
      }
    } else if (cb) {
      process.nextTick(emitCloseNT, _this);
      cb(err);
    } else {
      process.nextTick(emitCloseNT, _this);
    }
  });

  return this;
}

function emitErrorAndCloseNT(self, err) {
  emitErrorNT(self, err);
  emitCloseNT(self);
}

function emitCloseNT(self) {
  if (self._writableState && !self._writableState.emitClose) return;
  if (self._readableState && !self._readableState.emitClose) return;
  self.emit('close');
}

function undestroy() {
  if (this._readableState) {
    this._readableState.destroyed = false;
    this._readableState.reading = false;
    this._readableState.ended = false;
    this._readableState.endEmitted = false;
  }

  if (this._writableState) {
    this._writableState.destroyed = false;
    this._writableState.ended = false;
    this._writableState.ending = false;
    this._writableState.finalCalled = false;
    this._writableState.prefinished = false;
    this._writableState.finished = false;
    this._writableState.errorEmitted = false;
  }
}

function emitErrorNT(self, err) {
  self.emit('error', err);
}

function errorOrDestroy(stream, err) {
  // We have tests that rely on errors being emitted
  // in the same tick, so changing this is semver major.
  // For now when you opt-in to autoDestroy we allow
  // the error to be emitted nextTick. In a future
  // semver major update we should change the default to this.
  var rState = stream._readableState;
  var wState = stream._writableState;
  if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err);
}

module.exports = {
  destroy: destroy,
  undestroy: undestroy,
  errorOrDestroy: errorOrDestroy
};

/***/ }),

/***/ 8610:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Ported from https://github.com/mafintosh/end-of-stream with
// permission from the author, Mathias Buus (@mafintosh).


var ERR_STREAM_PREMATURE_CLOSE = (__webpack_require__(94281)/* .codes.ERR_STREAM_PREMATURE_CLOSE */ .q.ERR_STREAM_PREMATURE_CLOSE);

function once(callback) {
  var called = false;
  return function () {
    if (called) return;
    called = true;

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    callback.apply(this, args);
  };
}

function noop() {}

function isRequest(stream) {
  return stream.setHeader && typeof stream.abort === 'function';
}

function eos(stream, opts, callback) {
  if (typeof opts === 'function') return eos(stream, null, opts);
  if (!opts) opts = {};
  callback = once(callback || noop);
  var readable = opts.readable || opts.readable !== false && stream.readable;
  var writable = opts.writable || opts.writable !== false && stream.writable;

  var onlegacyfinish = function onlegacyfinish() {
    if (!stream.writable) onfinish();
  };

  var writableEnded = stream._writableState && stream._writableState.finished;

  var onfinish = function onfinish() {
    writable = false;
    writableEnded = true;
    if (!readable) callback.call(stream);
  };

  var readableEnded = stream._readableState && stream._readableState.endEmitted;

  var onend = function onend() {
    readable = false;
    readableEnded = true;
    if (!writable) callback.call(stream);
  };

  var onerror = function onerror(err) {
    callback.call(stream, err);
  };

  var onclose = function onclose() {
    var err;

    if (readable && !readableEnded) {
      if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
      return callback.call(stream, err);
    }

    if (writable && !writableEnded) {
      if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
      return callback.call(stream, err);
    }
  };

  var onrequest = function onrequest() {
    stream.req.on('finish', onfinish);
  };

  if (isRequest(stream)) {
    stream.on('complete', onfinish);
    stream.on('abort', onclose);
    if (stream.req) onrequest();else stream.on('request', onrequest);
  } else if (writable && !stream._writableState) {
    // legacy streams
    stream.on('end', onlegacyfinish);
    stream.on('close', onlegacyfinish);
  }

  stream.on('end', onend);
  stream.on('finish', onfinish);
  if (opts.error !== false) stream.on('error', onerror);
  stream.on('close', onclose);
  return function () {
    stream.removeListener('complete', onfinish);
    stream.removeListener('abort', onclose);
    stream.removeListener('request', onrequest);
    if (stream.req) stream.req.removeListener('finish', onfinish);
    stream.removeListener('end', onlegacyfinish);
    stream.removeListener('close', onlegacyfinish);
    stream.removeListener('finish', onfinish);
    stream.removeListener('end', onend);
    stream.removeListener('error', onerror);
    stream.removeListener('close', onclose);
  };
}

module.exports = eos;

/***/ }),

/***/ 15167:
/***/ ((module) => {

module.exports = function () {
  throw new Error('Readable.from is not available in the browser')
};


/***/ }),

/***/ 59946:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
// Ported from https://github.com/mafintosh/pump with
// permission from the author, Mathias Buus (@mafintosh).


var eos;

function once(callback) {
  var called = false;
  return function () {
    if (called) return;
    called = true;
    callback.apply(void 0, arguments);
  };
}

var _require$codes = (__webpack_require__(94281)/* .codes */ .q),
    ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS,
    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED;

function noop(err) {
  // Rethrow the error if it exists to avoid swallowing it
  if (err) throw err;
}

function isRequest(stream) {
  return stream.setHeader && typeof stream.abort === 'function';
}

function destroyer(stream, reading, writing, callback) {
  callback = once(callback);
  var closed = false;
  stream.on('close', function () {
    closed = true;
  });
  if (eos === undefined) eos = __webpack_require__(8610);
  eos(stream, {
    readable: reading,
    writable: writing
  }, function (err) {
    if (err) return callback(err);
    closed = true;
    callback();
  });
  var destroyed = false;
  return function (err) {
    if (closed) return;
    if (destroyed) return;
    destroyed = true; // request.destroy just do .end - .abort is what we want

    if (isRequest(stream)) return stream.abort();
    if (typeof stream.destroy === 'function') return stream.destroy();
    callback(err || new ERR_STREAM_DESTROYED('pipe'));
  };
}

function call(fn) {
  fn();
}

function pipe(from, to) {
  return from.pipe(to);
}

function popCallback(streams) {
  if (!streams.length) return noop;
  if (typeof streams[streams.length - 1] !== 'function') return noop;
  return streams.pop();
}

function pipeline() {
  for (var _len = arguments.length, streams = new Array(_len), _key = 0; _key < _len; _key++) {
    streams[_key] = arguments[_key];
  }

  var callback = popCallback(streams);
  if (Array.isArray(streams[0])) streams = streams[0];

  if (streams.length < 2) {
    throw new ERR_MISSING_ARGS('streams');
  }

  var error;
  var destroys = streams.map(function (stream, i) {
    var reading = i < streams.length - 1;
    var writing = i > 0;
    return destroyer(stream, reading, writing, function (err) {
      if (!error) error = err;
      if (err) destroys.forEach(call);
      if (reading) return;
      destroys.forEach(call);
      callback(error);
    });
  });
  return streams.reduce(pipe);
}

module.exports = pipeline;

/***/ }),

/***/ 82457:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var ERR_INVALID_OPT_VALUE = (__webpack_require__(94281)/* .codes.ERR_INVALID_OPT_VALUE */ .q.ERR_INVALID_OPT_VALUE);

function highWaterMarkFrom(options, isDuplex, duplexKey) {
  return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null;
}

function getHighWaterMark(state, options, duplexKey, isDuplex) {
  var hwm = highWaterMarkFrom(options, isDuplex, duplexKey);

  if (hwm != null) {
    if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) {
      var name = isDuplex ? duplexKey : 'highWaterMark';
      throw new ERR_INVALID_OPT_VALUE(name, hwm);
    }

    return Math.floor(hwm);
  } // Default value


  return state.objectMode ? 16 : 16 * 1024;
}

module.exports = {
  getHighWaterMark: getHighWaterMark
};

/***/ }),

/***/ 22503:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

module.exports = __webpack_require__(17187).EventEmitter;


/***/ }),

/***/ 88473:
/***/ ((module, exports, __webpack_require__) => {

exports = module.exports = __webpack_require__(79481);
exports.Stream = exports;
exports.Readable = exports;
exports.Writable = __webpack_require__(64229);
exports.Duplex = __webpack_require__(56753);
exports.Transform = __webpack_require__(74605);
exports.PassThrough = __webpack_require__(82725);
exports.finished = __webpack_require__(8610);
exports.pipeline = __webpack_require__(59946);


/***/ }),

/***/ 79785:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";

var Buffer = (__webpack_require__(48764).Buffer)
var inherits = __webpack_require__(35717)
var HashBase = __webpack_require__(3349)

var ARRAY16 = new Array(16)

var zl = [
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
]

var zr = [
  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
]

var sl = [
  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
]

var sr = [
  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
]

var hl = [0x00000000, 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e]
var hr = [0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9, 0x00000000]

function RIPEMD160 () {
  HashBase.call(this, 64)

  // state
  this._a = 0x67452301
  this._b = 0xefcdab89
  this._c = 0x98badcfe
  this._d = 0x10325476
  this._e = 0xc3d2e1f0
}

inherits(RIPEMD160, HashBase)

RIPEMD160.prototype._update = function () {
  var words = ARRAY16
  for (var j = 0; j < 16; ++j) words[j] = this._block.readInt32LE(j * 4)

  var al = this._a | 0
  var bl = this._b | 0
  var cl = this._c | 0
  var dl = this._d | 0
  var el = this._e | 0

  var ar = this._a | 0
  var br = this._b | 0
  var cr = this._c | 0
  var dr = this._d | 0
  var er = this._e | 0

  // computation
  for (var i = 0; i < 80; i += 1) {
    var tl
    var tr
    if (i < 16) {
      tl = fn1(al, bl, cl, dl, el, words[zl[i]], hl[0], sl[i])
      tr = fn5(ar, br, cr, dr, er, words[zr[i]], hr[0], sr[i])
    } else if (i < 32) {
      tl = fn2(al, bl, cl, dl, el, words[zl[i]], hl[1], sl[i])
      tr = fn4(ar, br, cr, dr, er, words[zr[i]], hr[1], sr[i])
    } else if (i < 48) {
      tl = fn3(al, bl, cl, dl, el, words[zl[i]], hl[2], sl[i])
      tr = fn3(ar, br, cr, dr, er, words[zr[i]], hr[2], sr[i])
    } else if (i < 64) {
      tl = fn4(al, bl, cl, dl, el, words[zl[i]], hl[3], sl[i])
      tr = fn2(ar, br, cr, dr, er, words[zr[i]], hr[3], sr[i])
    } else { // if (i<80) {
      tl = fn5(al, bl, cl, dl, el, words[zl[i]], hl[4], sl[i])
      tr = fn1(ar, br, cr, dr, er, words[zr[i]], hr[4], sr[i])
    }

    al = el
    el = dl
    dl = rotl(cl, 10)
    cl = bl
    bl = tl

    ar = er
    er = dr
    dr = rotl(cr, 10)
    cr = br
    br = tr
  }

  // update state
  var t = (this._b + cl + dr) | 0
  this._b = (this._c + dl + er) | 0
  this._c = (this._d + el + ar) | 0
  this._d = (this._e + al + br) | 0
  this._e = (this._a + bl + cr) | 0
  this._a = t
}

RIPEMD160.prototype._digest = function () {
  // create padding and handle blocks
  this._block[this._blockOffset++] = 0x80
  if (this._blockOffset > 56) {
    this._block.fill(0, this._blockOffset, 64)
    this._update()
    this._blockOffset = 0
  }

  this._block.fill(0, this._blockOffset, 56)
  this._block.writeUInt32LE(this._length[0], 56)
  this._block.writeUInt32LE(this._length[1], 60)
  this._update()

  // produce result
  var buffer = Buffer.alloc ? Buffer.alloc(20) : new Buffer(20)
  buffer.writeInt32LE(this._a, 0)
  buffer.writeInt32LE(this._b, 4)
  buffer.writeInt32LE(this._c, 8)
  buffer.writeInt32LE(this._d, 12)
  buffer.writeInt32LE(this._e, 16)
  return buffer
}

function rotl (x, n) {
  return (x << n) | (x >>> (32 - n))
}

function fn1 (a, b, c, d, e, m, k, s) {
  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0
}

function fn2 (a, b, c, d, e, m, k, s) {
  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0
}

function fn3 (a, b, c, d, e, m, k, s) {
  return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0
}

function fn4 (a, b, c, d, e, m, k, s) {
  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0
}

function fn5 (a, b, c, d, e, m, k, s) {
  return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0
}

module.exports = RIPEMD160


/***/ }),

/***/ 88914:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isValidXAddress = exports.decodeXAddress = exports.xAddressToClassicAddress = exports.encodeXAddress = exports.classicAddressToXAddress = exports.isValidClassicAddress = exports.decodeAccountPublic = exports.encodeAccountPublic = exports.decodeNodePublic = exports.encodeNodePublic = exports.decodeAccountID = exports.encodeAccountID = exports.decodeSeed = exports.encodeSeed = exports.codec = void 0;
const assert = __importStar(__webpack_require__(69282));
const xrp_codec_1 = __webpack_require__(18537);
Object.defineProperty(exports, "codec", ({ enumerable: true, get: function () { return xrp_codec_1.codec; } }));
Object.defineProperty(exports, "encodeSeed", ({ enumerable: true, get: function () { return xrp_codec_1.encodeSeed; } }));
Object.defineProperty(exports, "decodeSeed", ({ enumerable: true, get: function () { return xrp_codec_1.decodeSeed; } }));
Object.defineProperty(exports, "encodeAccountID", ({ enumerable: true, get: function () { return xrp_codec_1.encodeAccountID; } }));
Object.defineProperty(exports, "decodeAccountID", ({ enumerable: true, get: function () { return xrp_codec_1.decodeAccountID; } }));
Object.defineProperty(exports, "encodeNodePublic", ({ enumerable: true, get: function () { return xrp_codec_1.encodeNodePublic; } }));
Object.defineProperty(exports, "decodeNodePublic", ({ enumerable: true, get: function () { return xrp_codec_1.decodeNodePublic; } }));
Object.defineProperty(exports, "encodeAccountPublic", ({ enumerable: true, get: function () { return xrp_codec_1.encodeAccountPublic; } }));
Object.defineProperty(exports, "decodeAccountPublic", ({ enumerable: true, get: function () { return xrp_codec_1.decodeAccountPublic; } }));
Object.defineProperty(exports, "isValidClassicAddress", ({ enumerable: true, get: function () { return xrp_codec_1.isValidClassicAddress; } }));
const PREFIX_BYTES = {
    // 5, 68
    main: Buffer.from([0x05, 0x44]),
    // 4, 147
    test: Buffer.from([0x04, 0x93]),
};
const MAX_32_BIT_UNSIGNED_INT = 4294967295;
function classicAddressToXAddress(classicAddress, tag, test) {
    const accountId = (0, xrp_codec_1.decodeAccountID)(classicAddress);
    return encodeXAddress(accountId, tag, test);
}
exports.classicAddressToXAddress = classicAddressToXAddress;
function encodeXAddress(accountId, tag, test) {
    if (accountId.length !== 20) {
        // RIPEMD160 is 160 bits = 20 bytes
        throw new Error('Account ID must be 20 bytes');
    }
    if (tag > MAX_32_BIT_UNSIGNED_INT) {
        throw new Error('Invalid tag');
    }
    const theTag = tag || 0;
    // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- Passing null is a common js mistake
    const flag = tag === false || tag == null ? 0 : 1;
    /* eslint-disable no-bitwise ---
     * need to use bitwise operations here */
    const bytes = Buffer.concat([
        test ? PREFIX_BYTES.test : PREFIX_BYTES.main,
        accountId,
        Buffer.from([
            // 0x00 if no tag, 0x01 if 32-bit tag
            flag,
            // first byte
            theTag & 0xff,
            // second byte
            (theTag >> 8) & 0xff,
            // third byte
            (theTag >> 16) & 0xff,
            // fourth byte
            (theTag >> 24) & 0xff,
            0,
            0,
            0,
            // four zero bytes (reserved for 64-bit tags)
            0,
        ]),
    ]);
    /* eslint-enable no-bitwise */
    return xrp_codec_1.codec.encodeChecked(bytes);
}
exports.encodeXAddress = encodeXAddress;
function xAddressToClassicAddress(xAddress) {
    /* eslint-disable @typescript-eslint/naming-convention --
     * TODO 'test' should be something like 'isTest', do this later
     */
    const { accountId, tag, test } = decodeXAddress(xAddress);
    /* eslint-enable @typescript-eslint/naming-convention */
    const classicAddress = (0, xrp_codec_1.encodeAccountID)(accountId);
    return {
        classicAddress,
        tag,
        test,
    };
}
exports.xAddressToClassicAddress = xAddressToClassicAddress;
function decodeXAddress(xAddress) {
    const decoded = xrp_codec_1.codec.decodeChecked(xAddress);
    /* eslint-disable @typescript-eslint/naming-convention --
     * TODO 'test' should be something like 'isTest', do this later
     */
    const test = isBufferForTestAddress(decoded);
    /* eslint-enable @typescript-eslint/naming-convention */
    const accountId = decoded.slice(2, 22);
    const tag = tagFromBuffer(decoded);
    return {
        accountId,
        tag,
        test,
    };
}
exports.decodeXAddress = decodeXAddress;
function isBufferForTestAddress(buf) {
    const decodedPrefix = buf.slice(0, 2);
    if (PREFIX_BYTES.main.equals(decodedPrefix)) {
        return false;
    }
    if (PREFIX_BYTES.test.equals(decodedPrefix)) {
        return true;
    }
    throw new Error('Invalid X-address: bad prefix');
}
function tagFromBuffer(buf) {
    const flag = buf[22];
    if (flag >= 2) {
        // No support for 64-bit tags at this time
        throw new Error('Unsupported X-address');
    }
    if (flag === 1) {
        // Little-endian to big-endian
        return buf[23] + buf[24] * 0x100 + buf[25] * 0x10000 + buf[26] * 0x1000000;
    }
    assert.strictEqual(flag, 0, 'flag must be zero to indicate no tag');
    assert.ok(Buffer.from('0000000000000000', 'hex').equals(buf.slice(23, 23 + 8)), 'remaining bytes must be zero');
    return false;
}
function isValidXAddress(xAddress) {
    try {
        decodeXAddress(xAddress);
    }
    catch (_error) {
        return false;
    }
    return true;
}
exports.isValidXAddress = isValidXAddress;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 79896:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.concatArgs = exports.seqEqual = void 0;
/**
 * Check whether two sequences (e.g. Arrays of numbers) are equal.
 *
 * @param arr1 - One of the arrays to compare.
 * @param arr2 - The other array to compare.
 */
function seqEqual(arr1, arr2) {
    if (arr1.length !== arr2.length) {
        return false;
    }
    for (let i = 0; i < arr1.length; i++) {
        if (arr1[i] !== arr2[i]) {
            return false;
        }
    }
    return true;
}
exports.seqEqual = seqEqual;
/**
 * Check whether a value is a sequence (e.g. Array of numbers).
 *
 * @param val - The value to check.
 */
function isSequence(val) {
    return typeof val !== 'number';
}
/**
 * Concatenate all `arguments` into a single array. Each argument can be either
 * a single element or a sequence, which has a `length` property and supports
 * element retrieval via sequence[ix].
 *
 * > concatArgs(1, [2, 3], Buffer.from([4,5]), new Uint8Array([6, 7]));
 * [1,2,3,4,5,6,7]
 *
 * @param args - Concatenate of these args into a single array.
 * @returns Array of concatenated arguments
 */
function concatArgs(...args) {
    const ret = [];
    args.forEach((arg) => {
        if (isSequence(arg)) {
            for (const j of arg) {
                ret.push(j);
            }
        }
        else {
            ret.push(arg);
        }
    });
    return ret;
}
exports.concatArgs = concatArgs;
//# sourceMappingURL=utils.js.map

/***/ }),

/***/ 18537:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

/**
 * Codec class
 */
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isValidClassicAddress = exports.decodeAccountPublic = exports.encodeAccountPublic = exports.encodeNodePublic = exports.decodeNodePublic = exports.decodeAddress = exports.decodeAccountID = exports.encodeAddress = exports.encodeAccountID = exports.decodeSeed = exports.encodeSeed = exports.codec = void 0;
const baseCodec = __webpack_require__(58162);
const createHash = __webpack_require__(23482);
const utils_1 = __webpack_require__(79896);
class Codec {
    constructor(options) {
        this._sha256 = options.sha256;
        this._alphabet = options.alphabet;
        this._codec = baseCodec(this._alphabet);
    }
    /**
     * Encoder.
     *
     * @param bytes - Buffer of data to encode.
     * @param opts - Options object including the version bytes and the expected length of the data to encode.
     */
    encode(bytes, opts) {
        const versions = opts.versions;
        return this._encodeVersioned(bytes, versions, opts.expectedLength);
    }
    /**
     * Decoder.
     *
     * @param base58string - Base58Check-encoded string to decode.
     * @param opts - Options object including the version byte(s) and the expected length of the data after decoding.
     */
    /* eslint-disable max-lines-per-function --
     * TODO refactor */
    decode(base58string, opts) {
        var _a;
        const versions = opts.versions;
        const types = opts.versionTypes;
        const withoutSum = this.decodeChecked(base58string);
        if (versions.length > 1 && !opts.expectedLength) {
            throw new Error('expectedLength is required because there are >= 2 possible versions');
        }
        const versionLengthGuess = typeof versions[0] === 'number' ? 1 : versions[0].length;
        const payloadLength = (_a = opts.expectedLength) !== null && _a !== void 0 ? _a : withoutSum.length - versionLengthGuess;
        const versionBytes = withoutSum.slice(0, -payloadLength);
        const payload = withoutSum.slice(-payloadLength);
        for (let i = 0; i < versions.length; i++) {
            /* eslint-disable @typescript-eslint/consistent-type-assertions --
             * TODO refactor */
            const version = Array.isArray(versions[i])
                ? versions[i]
                : [versions[i]];
            if ((0, utils_1.seqEqual)(versionBytes, version)) {
                return {
                    version,
                    bytes: payload,
                    type: types ? types[i] : null,
                };
            }
            /* eslint-enable @typescript-eslint/consistent-type-assertions */
        }
        throw new Error('version_invalid: version bytes do not match any of the provided version(s)');
    }
    encodeChecked(buffer) {
        const check = this._sha256(this._sha256(buffer)).slice(0, 4);
        return this._encodeRaw(Buffer.from((0, utils_1.concatArgs)(buffer, check)));
    }
    decodeChecked(base58string) {
        const buffer = this._decodeRaw(base58string);
        if (buffer.length < 5) {
            throw new Error('invalid_input_size: decoded data must have length >= 5');
        }
        if (!this._verifyCheckSum(buffer)) {
            throw new Error('checksum_invalid');
        }
        return buffer.slice(0, -4);
    }
    _encodeVersioned(bytes, versions, expectedLength) {
        if (expectedLength && bytes.length !== expectedLength) {
            throw new Error('unexpected_payload_length: bytes.length does not match expectedLength.' +
                ' Ensure that the bytes are a Buffer.');
        }
        return this.encodeChecked(Buffer.from((0, utils_1.concatArgs)(versions, bytes)));
    }
    _encodeRaw(bytes) {
        return this._codec.encode(bytes);
    }
    /* eslint-enable max-lines-per-function */
    _decodeRaw(base58string) {
        return this._codec.decode(base58string);
    }
    _verifyCheckSum(bytes) {
        const computed = this._sha256(this._sha256(bytes.slice(0, -4))).slice(0, 4);
        const checksum = bytes.slice(-4);
        return (0, utils_1.seqEqual)(computed, checksum);
    }
}
/**
 * XRP codec
 */
// base58 encodings: https://xrpl.org/base58-encodings.html
// Account address (20 bytes)
const ACCOUNT_ID = 0;
// Account public key (33 bytes)
const ACCOUNT_PUBLIC_KEY = 0x23;
// 33; Seed value (for secret keys) (16 bytes)
const FAMILY_SEED = 0x21;
// 28; Validation public key (33 bytes)
const NODE_PUBLIC = 0x1c;
// [1, 225, 75]
const ED25519_SEED = [0x01, 0xe1, 0x4b];
const codecOptions = {
    sha256(bytes) {
        return createHash('sha256').update(Buffer.from(bytes)).digest();
    },
    alphabet: 'rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz',
};
const codecWithXrpAlphabet = new Codec(codecOptions);
exports.codec = codecWithXrpAlphabet;
// entropy is a Buffer of size 16
// type is 'ed25519' or 'secp256k1'
function encodeSeed(entropy, type) {
    if (entropy.length !== 16) {
        throw new Error('entropy must have length 16');
    }
    const opts = {
        expectedLength: 16,
        // for secp256k1, use `FAMILY_SEED`
        versions: type === 'ed25519' ? ED25519_SEED : [FAMILY_SEED],
    };
    // prefixes entropy with version bytes
    return codecWithXrpAlphabet.encode(entropy, opts);
}
exports.encodeSeed = encodeSeed;
function decodeSeed(seed, opts = {
    versionTypes: ['ed25519', 'secp256k1'],
    versions: [ED25519_SEED, FAMILY_SEED],
    expectedLength: 16,
}) {
    return codecWithXrpAlphabet.decode(seed, opts);
}
exports.decodeSeed = decodeSeed;
function encodeAccountID(bytes) {
    const opts = { versions: [ACCOUNT_ID], expectedLength: 20 };
    return codecWithXrpAlphabet.encode(bytes, opts);
}
exports.encodeAccountID = encodeAccountID;
/* eslint-disable import/no-unused-modules ---
 * unclear why this is aliased but we should keep it in case someone else is
 * importing it with the aliased name */
exports.encodeAddress = encodeAccountID;
/* eslint-enable import/no-unused-modules */
function decodeAccountID(accountId) {
    const opts = { versions: [ACCOUNT_ID], expectedLength: 20 };
    return codecWithXrpAlphabet.decode(accountId, opts).bytes;
}
exports.decodeAccountID = decodeAccountID;
/* eslint-disable import/no-unused-modules ---
 * unclear why this is aliased but we should keep it in case someone else is
 * importing it with the aliased name */
exports.decodeAddress = decodeAccountID;
/* eslint-enable import/no-unused-modules */
function decodeNodePublic(base58string) {
    const opts = { versions: [NODE_PUBLIC], expectedLength: 33 };
    return codecWithXrpAlphabet.decode(base58string, opts).bytes;
}
exports.decodeNodePublic = decodeNodePublic;
function encodeNodePublic(bytes) {
    const opts = { versions: [NODE_PUBLIC], expectedLength: 33 };
    return codecWithXrpAlphabet.encode(bytes, opts);
}
exports.encodeNodePublic = encodeNodePublic;
function encodeAccountPublic(bytes) {
    const opts = { versions: [ACCOUNT_PUBLIC_KEY], expectedLength: 33 };
    return codecWithXrpAlphabet.encode(bytes, opts);
}
exports.encodeAccountPublic = encodeAccountPublic;
function decodeAccountPublic(base58string) {
    const opts = { versions: [ACCOUNT_PUBLIC_KEY], expectedLength: 33 };
    return codecWithXrpAlphabet.decode(base58string, opts).bytes;
}
exports.decodeAccountPublic = decodeAccountPublic;
function isValidClassicAddress(address) {
    try {
        decodeAccountID(address);
    }
    catch (_error) {
        return false;
    }
    return true;
}
exports.isValidClassicAddress = isValidClassicAddress;
//# sourceMappingURL=xrp-codec.js.map

/***/ }),

/***/ 72509:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

/* eslint-disable func-style */
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.transactionID = exports.sha512Half = exports.binaryToJSON = exports.signingClaimData = exports.signingData = exports.multiSigningData = exports.readJSON = exports.serializeObject = exports.makeParser = exports.BytesList = exports.BinarySerializer = exports.BinaryParser = void 0;
const types_1 = __webpack_require__(5003);
const binary_parser_1 = __webpack_require__(46633);
Object.defineProperty(exports, "BinaryParser", ({ enumerable: true, get: function () { return binary_parser_1.BinaryParser; } }));
const hash_prefixes_1 = __webpack_require__(91771);
const binary_serializer_1 = __webpack_require__(27894);
Object.defineProperty(exports, "BinarySerializer", ({ enumerable: true, get: function () { return binary_serializer_1.BinarySerializer; } }));
Object.defineProperty(exports, "BytesList", ({ enumerable: true, get: function () { return binary_serializer_1.BytesList; } }));
const hashes_1 = __webpack_require__(89019);
Object.defineProperty(exports, "sha512Half", ({ enumerable: true, get: function () { return hashes_1.sha512Half; } }));
Object.defineProperty(exports, "transactionID", ({ enumerable: true, get: function () { return hashes_1.transactionID; } }));
const bigInt = __webpack_require__(24736);
/**
 * Construct a BinaryParser
 *
 * @param bytes hex-string to construct BinaryParser from
 * @returns A BinaryParser
 */
const makeParser = (bytes) => new binary_parser_1.BinaryParser(bytes);
exports.makeParser = makeParser;
/**
 * Parse BinaryParser into JSON
 *
 * @param parser BinaryParser object
 * @returns JSON for the bytes in the BinaryParser
 */
const readJSON = (parser) => parser.readType(types_1.coreTypes.STObject).toJSON();
exports.readJSON = readJSON;
/**
 * Parse a hex-string into its JSON interpretation
 *
 * @param bytes hex-string to parse into JSON
 * @returns JSON
 */
const binaryToJSON = (bytes) => readJSON(makeParser(bytes));
exports.binaryToJSON = binaryToJSON;
/**
 * Function to serialize JSON object representing a transaction
 *
 * @param object JSON object to serialize
 * @param opts options for serializing, including optional prefix, suffix, and signingFieldOnly
 * @returns A Buffer containing the serialized object
 */
function serializeObject(object, opts = {}) {
    const { prefix, suffix, signingFieldsOnly = false } = opts;
    const bytesList = new binary_serializer_1.BytesList();
    if (prefix) {
        bytesList.put(prefix);
    }
    const filter = signingFieldsOnly
        ? (f) => f.isSigningField
        : undefined;
    types_1.coreTypes.STObject.from(object, filter).toBytesSink(bytesList);
    if (suffix) {
        bytesList.put(suffix);
    }
    return bytesList.toBytes();
}
exports.serializeObject = serializeObject;
/**
 * Serialize an object for signing
 *
 * @param transaction Transaction to serialize
 * @param prefix Prefix bytes to put before the serialized object
 * @returns A Buffer with the serialized object
 */
function signingData(transaction, prefix = hash_prefixes_1.HashPrefix.transactionSig) {
    return serializeObject(transaction, { prefix, signingFieldsOnly: true });
}
exports.signingData = signingData;
/**
 * Serialize a signingClaim
 *
 * @param claim A claim object to serialize
 * @returns the serialized object with appropriate prefix
 */
function signingClaimData(claim) {
    const num = bigInt(String(claim.amount));
    const prefix = hash_prefixes_1.HashPrefix.paymentChannelClaim;
    const channel = types_1.coreTypes.Hash256.from(claim.channel).toBytes();
    const amount = types_1.coreTypes.UInt64.from(num).toBytes();
    const bytesList = new binary_serializer_1.BytesList();
    bytesList.put(prefix);
    bytesList.put(channel);
    bytesList.put(amount);
    return bytesList.toBytes();
}
exports.signingClaimData = signingClaimData;
/**
 * Serialize a transaction object for multiSigning
 *
 * @param transaction transaction to serialize
 * @param signingAccount Account to sign the transaction with
 * @returns serialized transaction with appropriate prefix and suffix
 */
function multiSigningData(transaction, signingAccount) {
    const prefix = hash_prefixes_1.HashPrefix.transactionMultiSig;
    const suffix = types_1.coreTypes.AccountID.from(signingAccount).toBytes();
    return serializeObject(transaction, {
        prefix,
        suffix,
        signingFieldsOnly: true,
    });
}
exports.multiSigningData = multiSigningData;
//# sourceMappingURL=binary.js.map

/***/ }),

/***/ 8381:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.types = exports.ShaMap = exports.HashPrefix = exports.quality = exports.TransactionResult = exports.Type = exports.LedgerEntryType = exports.TransactionType = exports.Field = exports.ledgerHashes = exports.binary = exports.hashes = void 0;
const enums_1 = __webpack_require__(4543);
Object.defineProperty(exports, "Field", ({ enumerable: true, get: function () { return enums_1.Field; } }));
Object.defineProperty(exports, "TransactionType", ({ enumerable: true, get: function () { return enums_1.TransactionType; } }));
Object.defineProperty(exports, "LedgerEntryType", ({ enumerable: true, get: function () { return enums_1.LedgerEntryType; } }));
Object.defineProperty(exports, "Type", ({ enumerable: true, get: function () { return enums_1.Type; } }));
Object.defineProperty(exports, "TransactionResult", ({ enumerable: true, get: function () { return enums_1.TransactionResult; } }));
const types = __importStar(__webpack_require__(5003));
exports.types = types;
const binary = __importStar(__webpack_require__(72509));
exports.binary = binary;
const shamap_1 = __webpack_require__(89059);
Object.defineProperty(exports, "ShaMap", ({ enumerable: true, get: function () { return shamap_1.ShaMap; } }));
const ledgerHashes = __importStar(__webpack_require__(43453));
exports.ledgerHashes = ledgerHashes;
const hashes = __importStar(__webpack_require__(89019));
exports.hashes = hashes;
const quality_1 = __webpack_require__(72369);
Object.defineProperty(exports, "quality", ({ enumerable: true, get: function () { return quality_1.quality; } }));
const hash_prefixes_1 = __webpack_require__(91771);
Object.defineProperty(exports, "HashPrefix", ({ enumerable: true, get: function () { return hash_prefixes_1.HashPrefix; } }));
//# sourceMappingURL=coretypes.js.map

/***/ }),

/***/ 4543:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.TransactionType = exports.TransactionResult = exports.LedgerEntryType = exports.Type = exports.Field = exports.Bytes = exports.TRANSACTION_TYPES = void 0;
const enums = __importStar(__webpack_require__(38652));
const serialized_type_1 = __webpack_require__(51883);
const buffer_1 = __webpack_require__(49691);
/*
 * @brief: All valid transaction types
 */
exports.TRANSACTION_TYPES = Object.entries(enums.TRANSACTION_TYPES)
    .filter(([_key, value]) => value >= 0)
    .map(([key, _value]) => key);
const TYPE_WIDTH = 2;
const LEDGER_ENTRY_WIDTH = 2;
const TRANSACTION_TYPE_WIDTH = 2;
const TRANSACTION_RESULT_WIDTH = 1;
/*
 * @brief: Serialize a field based on type_code and Field.nth
 */
function fieldHeader(type, nth) {
    const header = [];
    if (type < 16) {
        if (nth < 16) {
            header.push((type << 4) | nth);
        }
        else {
            header.push(type << 4, nth);
        }
    }
    else if (nth < 16) {
        header.push(nth, type);
    }
    else {
        header.push(0, type, nth);
    }
    return buffer_1.Buffer.from(header);
}
/*
 * @brief: Bytes, name, and ordinal representing one type, ledger_type, transaction type, or result
 */
class Bytes {
    constructor(name, ordinal, ordinalWidth) {
        this.name = name;
        this.ordinal = ordinal;
        this.ordinalWidth = ordinalWidth;
        this.bytes = buffer_1.Buffer.alloc(ordinalWidth);
        for (let i = 0; i < ordinalWidth; i++) {
            this.bytes[ordinalWidth - i - 1] = (ordinal >>> (i * 8)) & 0xff;
        }
    }
    toJSON() {
        return this.name;
    }
    toBytesSink(sink) {
        sink.put(this.bytes);
    }
    toBytes() {
        return this.bytes;
    }
}
exports.Bytes = Bytes;
/*
 * @brief: Collection of Bytes objects, mapping bidirectionally
 */
class BytesLookup {
    constructor(types, ordinalWidth) {
        this.ordinalWidth = ordinalWidth;
        Object.entries(types).forEach(([k, v]) => {
            this[k] = new Bytes(k, v, ordinalWidth);
            this[v.toString()] = this[k];
        });
    }
    from(value) {
        return value instanceof Bytes ? value : this[value];
    }
    fromParser(parser) {
        return this.from(parser.readUIntN(this.ordinalWidth).toString());
    }
}
function buildField([name, info]) {
    const typeOrdinal = enums.TYPES[info.type];
    const field = fieldHeader(typeOrdinal, info.nth);
    return {
        name: name,
        nth: info.nth,
        isVariableLengthEncoded: info.isVLEncoded,
        isSerialized: info.isSerialized,
        isSigningField: info.isSigningField,
        ordinal: (typeOrdinal << 16) | info.nth,
        type: new Bytes(info.type, typeOrdinal, TYPE_WIDTH),
        header: field,
        associatedType: serialized_type_1.SerializedType, // For later assignment in ./types/index.js
    };
}
/*
 * @brief: The collection of all fields as defined in definitions.json
 */
class FieldLookup {
    constructor(fields) {
        fields.forEach(([k, v]) => {
            this[k] = buildField([k, v]);
            this[this[k].ordinal.toString()] = this[k];
        });
    }
    fromString(value) {
        return this[value];
    }
}
const Type = new BytesLookup(enums.TYPES, TYPE_WIDTH);
exports.Type = Type;
const LedgerEntryType = new BytesLookup(enums.LEDGER_ENTRY_TYPES, LEDGER_ENTRY_WIDTH);
exports.LedgerEntryType = LedgerEntryType;
const TransactionType = new BytesLookup(enums.TRANSACTION_TYPES, TRANSACTION_TYPE_WIDTH);
exports.TransactionType = TransactionType;
const TransactionResult = new BytesLookup(enums.TRANSACTION_RESULTS, TRANSACTION_RESULT_WIDTH);
exports.TransactionResult = TransactionResult;
const Field = new FieldLookup(enums.FIELDS);
exports.Field = Field;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 91771:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.HashPrefix = void 0;
const buffer_1 = __webpack_require__(49691);
/**
 * Write a 32 bit integer to a Buffer
 *
 * @param uint32 32 bit integer to write to buffer
 * @returns a buffer with the bytes representation of uint32
 */
function bytes(uint32) {
    const result = buffer_1.Buffer.alloc(4);
    result.writeUInt32BE(uint32, 0);
    return result;
}
/**
 * Maps HashPrefix names to their byte representation
 */
const HashPrefix = {
    transactionID: bytes(0x54584e00),
    // transaction plus metadata
    transaction: bytes(0x534e4400),
    // account state
    accountStateEntry: bytes(0x4d4c4e00),
    // inner node in tree
    innerNode: bytes(0x4d494e00),
    // ledger master data for signing
    ledgerHeader: bytes(0x4c575200),
    // inner transaction to sign
    transactionSig: bytes(0x53545800),
    // inner transaction to sign
    transactionMultiSig: bytes(0x534d5400),
    // validation for signing
    validation: bytes(0x56414c00),
    // proposal for signing
    proposal: bytes(0x50525000),
    // payment channel claim
    paymentChannelClaim: bytes(0x434c4d00),
};
exports.HashPrefix = HashPrefix;
//# sourceMappingURL=hash-prefixes.js.map

/***/ }),

/***/ 89019:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.transactionID = exports.sha512Half = exports.Sha512Half = void 0;
const hash_prefixes_1 = __webpack_require__(91771);
const createHash = __webpack_require__(23482);
const hash_256_1 = __webpack_require__(9334);
const binary_serializer_1 = __webpack_require__(27894);
const buffer_1 = __webpack_require__(49691);
/**
 * Class for hashing with SHA512
 * @extends BytesList So SerializedTypes can write bytes to a Sha512Half
 */
class Sha512Half extends binary_serializer_1.BytesList {
    constructor() {
        super(...arguments);
        this.hash = createHash('sha512');
    }
    /**
     * Construct a new Sha512Hash and write bytes this.hash
     *
     * @param bytes bytes to write to this.hash
     * @returns the new Sha512Hash object
     */
    static put(bytes) {
        return new Sha512Half().put(bytes);
    }
    /**
     * Write bytes to an existing Sha512Hash
     *
     * @param bytes bytes to write to object
     * @returns the Sha512 object
     */
    put(bytes) {
        this.hash.update(bytes);
        return this;
    }
    /**
     * Compute SHA512 hash and slice in half
     *
     * @returns half of a SHA512 hash
     */
    finish256() {
        return buffer_1.Buffer.from(this.hash.digest().slice(0, 32));
    }
    /**
     * Constructs a Hash256 from the Sha512Half object
     *
     * @returns a Hash256 object
     */
    finish() {
        return new hash_256_1.Hash256(this.finish256());
    }
}
exports.Sha512Half = Sha512Half;
/**
 * compute SHA512 hash of a list of bytes
 *
 * @param args zero or more arguments to hash
 * @returns the sha512half hash of the arguments.
 */
function sha512Half(...args) {
    const hash = new Sha512Half();
    args.forEach((a) => hash.put(a));
    return hash.finish256();
}
exports.sha512Half = sha512Half;
/**
 * Construct a transactionID from a Serialized Transaction
 *
 * @param serialized bytes to hash
 * @returns a Hash256 object
 */
function transactionID(serialized) {
    return new hash_256_1.Hash256(sha512Half(hash_prefixes_1.HashPrefix.transactionID, serialized));
}
exports.transactionID = transactionID;
//# sourceMappingURL=hashes.js.map

/***/ }),

/***/ 42353:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.TRANSACTION_TYPES = exports.decodeLedgerData = exports.decodeQuality = exports.encodeQuality = exports.encodeForMultisigning = exports.encodeForSigningClaim = exports.encodeForSigning = exports.encode = exports.decode = void 0;
const assert = __importStar(__webpack_require__(69282));
const coretypes_1 = __webpack_require__(8381);
const ledger_hashes_1 = __webpack_require__(43453);
Object.defineProperty(exports, "decodeLedgerData", ({ enumerable: true, get: function () { return ledger_hashes_1.decodeLedgerData; } }));
const enums_1 = __webpack_require__(4543);
Object.defineProperty(exports, "TRANSACTION_TYPES", ({ enumerable: true, get: function () { return enums_1.TRANSACTION_TYPES; } }));
const { signingData, signingClaimData, multiSigningData, binaryToJSON, serializeObject, } = coretypes_1.binary;
/**
 * Decode a transaction
 *
 * @param binary hex-string of the encoded transaction
 * @returns the JSON representation of the transaction
 */
function decode(binary) {
    assert.ok(typeof binary === 'string', 'binary must be a hex string');
    return binaryToJSON(binary);
}
exports.decode = decode;
/**
 * Encode a transaction
 *
 * @param json The JSON representation of a transaction
 * @returns A hex-string of the encoded transaction
 */
function encode(json) {
    assert.ok(typeof json === 'object');
    return serializeObject(json)
        .toString('hex')
        .toUpperCase();
}
exports.encode = encode;
/**
 * Encode a transaction and prepare for signing
 *
 * @param json JSON object representing the transaction
 * @param signer string representing the account to sign the transaction with
 * @returns a hex string of the encoded transaction
 */
function encodeForSigning(json) {
    assert.ok(typeof json === 'object');
    return signingData(json)
        .toString('hex')
        .toUpperCase();
}
exports.encodeForSigning = encodeForSigning;
/**
 * Encode a transaction and prepare for signing with a claim
 *
 * @param json JSON object representing the transaction
 * @param signer string representing the account to sign the transaction with
 * @returns a hex string of the encoded transaction
 */
function encodeForSigningClaim(json) {
    assert.ok(typeof json === 'object');
    return signingClaimData(json)
        .toString('hex')
        .toUpperCase();
}
exports.encodeForSigningClaim = encodeForSigningClaim;
/**
 * Encode a transaction and prepare for multi-signing
 *
 * @param json JSON object representing the transaction
 * @param signer string representing the account to sign the transaction with
 * @returns a hex string of the encoded transaction
 */
function encodeForMultisigning(json, signer) {
    assert.ok(typeof json === 'object');
    assert.equal(json['SigningPubKey'], '');
    return multiSigningData(json, signer)
        .toString('hex')
        .toUpperCase();
}
exports.encodeForMultisigning = encodeForMultisigning;
/**
 * Encode a quality value
 *
 * @param value string representation of a number
 * @returns a hex-string representing the quality
 */
function encodeQuality(value) {
    assert.ok(typeof value === 'string');
    return coretypes_1.quality.encode(value).toString('hex').toUpperCase();
}
exports.encodeQuality = encodeQuality;
/**
 * Decode a quality value
 *
 * @param value hex-string of a quality
 * @returns a string representing the quality
 */
function decodeQuality(value) {
    assert.ok(typeof value === 'string');
    return coretypes_1.quality.decode(value).toString();
}
exports.decodeQuality = decodeQuality;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 43453:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.decodeLedgerData = exports.ledgerHash = exports.transactionTreeHash = exports.accountStateHash = void 0;
const assert = __importStar(__webpack_require__(69282));
const shamap_1 = __webpack_require__(89059);
const hash_prefixes_1 = __webpack_require__(91771);
const hashes_1 = __webpack_require__(89019);
const binary_1 = __webpack_require__(72509);
const hash_256_1 = __webpack_require__(9334);
const st_object_1 = __webpack_require__(30409);
const uint_64_1 = __webpack_require__(17569);
const uint_32_1 = __webpack_require__(39441);
const uint_8_1 = __webpack_require__(97158);
const binary_parser_1 = __webpack_require__(46633);
const bigInt = __webpack_require__(24736);
/**
 * Computes the hash of a list of objects
 *
 * @param itemizer Converts an item into a format that can be added to SHAMap
 * @param itemsJson Array of items to add to a SHAMap
 * @returns the hash of the SHAMap
 */
function computeHash(itemizer, itemsJson) {
    const map = new shamap_1.ShaMap();
    itemsJson.forEach((item) => map.addItem(...itemizer(item)));
    return map.hash();
}
/**
 * Convert a transaction into an index and an item
 *
 * @param json transaction with metadata
 * @returns a tuple of index and item to be added to SHAMap
 */
function transactionItemizer(json) {
    assert.ok(json.hash);
    const index = hash_256_1.Hash256.from(json.hash);
    const item = {
        hashPrefix() {
            return hash_prefixes_1.HashPrefix.transaction;
        },
        toBytesSink(sink) {
            const serializer = new binary_1.BinarySerializer(sink);
            serializer.writeLengthEncoded(st_object_1.STObject.from(json));
            serializer.writeLengthEncoded(st_object_1.STObject.from(json.metaData));
        },
    };
    return [index, item, undefined];
}
/**
 * Convert an entry to a pair Hash256 and ShaMapNode
 *
 * @param json JSON describing a ledger entry item
 * @returns a tuple of index and item to be added to SHAMap
 */
function entryItemizer(json) {
    const index = hash_256_1.Hash256.from(json.index);
    const bytes = (0, binary_1.serializeObject)(json);
    const item = {
        hashPrefix() {
            return hash_prefixes_1.HashPrefix.accountStateEntry;
        },
        toBytesSink(sink) {
            sink.put(bytes);
        },
    };
    return [index, item, undefined];
}
/**
 * Function computing the hash of a transaction tree
 *
 * @param param An array of transaction objects to hash
 * @returns A Hash256 object
 */
function transactionTreeHash(param) {
    const itemizer = transactionItemizer;
    return computeHash(itemizer, param);
}
exports.transactionTreeHash = transactionTreeHash;
/**
 * Function computing the hash of accountState
 *
 * @param param A list of accountStates hash
 * @returns A Hash256 object
 */
function accountStateHash(param) {
    const itemizer = entryItemizer;
    return computeHash(itemizer, param);
}
exports.accountStateHash = accountStateHash;
/**
 * Serialize and hash a ledger header
 *
 * @param header a ledger header
 * @returns the hash of header
 */
function ledgerHash(header) {
    const hash = new hashes_1.Sha512Half();
    hash.put(hash_prefixes_1.HashPrefix.ledgerHeader);
    assert.ok(header.parent_close_time !== undefined);
    assert.ok(header.close_flags !== undefined);
    uint_32_1.UInt32.from(header.ledger_index).toBytesSink(hash);
    uint_64_1.UInt64.from(bigInt(String(header.total_coins))).toBytesSink(hash);
    hash_256_1.Hash256.from(header.parent_hash).toBytesSink(hash);
    hash_256_1.Hash256.from(header.transaction_hash).toBytesSink(hash);
    hash_256_1.Hash256.from(header.account_hash).toBytesSink(hash);
    uint_32_1.UInt32.from(header.parent_close_time).toBytesSink(hash);
    uint_32_1.UInt32.from(header.close_time).toBytesSink(hash);
    uint_8_1.UInt8.from(header.close_time_resolution).toBytesSink(hash);
    uint_8_1.UInt8.from(header.close_flags).toBytesSink(hash);
    return hash.finish();
}
exports.ledgerHash = ledgerHash;
/**
 * Decodes a serialized ledger header
 *
 * @param binary A serialized ledger header
 * @returns A JSON object describing a ledger header
 */
function decodeLedgerData(binary) {
    assert.ok(typeof binary === 'string', 'binary must be a hex string');
    const parser = new binary_parser_1.BinaryParser(binary);
    return {
        ledger_index: parser.readUInt32(),
        total_coins: parser.readType(uint_64_1.UInt64).valueOf().toString(),
        parent_hash: parser.readType(hash_256_1.Hash256).toHex(),
        transaction_hash: parser.readType(hash_256_1.Hash256).toHex(),
        account_hash: parser.readType(hash_256_1.Hash256).toHex(),
        parent_close_time: parser.readUInt32(),
        close_time: parser.readUInt32(),
        close_time_resolution: parser.readUInt8(),
        close_flags: parser.readUInt8(),
    };
}
exports.decodeLedgerData = decodeLedgerData;
//# sourceMappingURL=ledger-hashes.js.map

/***/ }),

/***/ 72369:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.quality = void 0;
const types_1 = __webpack_require__(5003);
const decimal_js_1 = __webpack_require__(93776);
const bigInt = __webpack_require__(24736);
const buffer_1 = __webpack_require__(49691);
/**
 * class for encoding and decoding quality
 */
class quality {
    /**
     * Encode quality amount
     *
     * @param arg string representation of an amount
     * @returns Serialized quality
     */
    static encode(quality) {
        const decimal = new decimal_js_1.Decimal(quality);
        const exponent = decimal.e - 15;
        const qualityString = decimal.times(`1e${-exponent}`).abs().toString();
        const bytes = types_1.coreTypes.UInt64.from(bigInt(qualityString)).toBytes();
        bytes[0] = exponent + 100;
        return bytes;
    }
    /**
     * Decode quality amount
     *
     * @param arg hex-string denoting serialized quality
     * @returns deserialized quality
     */
    static decode(quality) {
        const bytes = buffer_1.Buffer.from(quality, 'hex').slice(-8);
        const exponent = bytes[0] - 100;
        const mantissa = new decimal_js_1.Decimal(`0x${bytes.slice(1).toString('hex')}`);
        return mantissa.times(`1e${exponent}`);
    }
}
exports.quality = quality;
//# sourceMappingURL=quality.js.map

/***/ }),

/***/ 46633:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.BinaryParser = void 0;
const assert = __importStar(__webpack_require__(69282));
const enums_1 = __webpack_require__(4543);
const buffer_1 = __webpack_require__(49691);
/**
 * BinaryParser is used to compute fields and values from a HexString
 */
class BinaryParser {
    /**
     * Initialize bytes to a hex string
     *
     * @param hexBytes a hex string
     */
    constructor(hexBytes) {
        this.bytes = buffer_1.Buffer.from(hexBytes, 'hex');
    }
    /**
     * Peek the first byte of the BinaryParser
     *
     * @returns The first byte of the BinaryParser
     */
    peek() {
        assert.ok(this.bytes.byteLength !== 0);
        return this.bytes[0];
    }
    /**
     * Consume the first n bytes of the BinaryParser
     *
     * @param n the number of bytes to skip
     */
    skip(n) {
        assert.ok(n <= this.bytes.byteLength);
        this.bytes = this.bytes.slice(n);
    }
    /**
     * read the first n bytes from the BinaryParser
     *
     * @param n The number of bytes to read
     * @return The bytes
     */
    read(n) {
        assert.ok(n <= this.bytes.byteLength);
        const slice = this.bytes.slice(0, n);
        this.skip(n);
        return slice;
    }
    /**
     * Read an integer of given size
     *
     * @param n The number of bytes to read
     * @return The number represented by those bytes
     */
    readUIntN(n) {
        assert.ok(0 < n && n <= 4, 'invalid n');
        return this.read(n).reduce((a, b) => (a << 8) | b) >>> 0;
    }
    readUInt8() {
        return this.readUIntN(1);
    }
    readUInt16() {
        return this.readUIntN(2);
    }
    readUInt32() {
        return this.readUIntN(4);
    }
    size() {
        return this.bytes.byteLength;
    }
    end(customEnd) {
        const length = this.bytes.byteLength;
        return length === 0 || (customEnd !== undefined && length <= customEnd);
    }
    /**
     * Reads variable length encoded bytes
     *
     * @return The variable length bytes
     */
    readVariableLength() {
        return this.read(this.readVariableLengthLength());
    }
    /**
     * Reads the length of the variable length encoded bytes
     *
     * @return The length of the variable length encoded bytes
     */
    readVariableLengthLength() {
        const b1 = this.readUInt8();
        if (b1 <= 192) {
            return b1;
        }
        else if (b1 <= 240) {
            const b2 = this.readUInt8();
            return 193 + (b1 - 193) * 256 + b2;
        }
        else if (b1 <= 254) {
            const b2 = this.readUInt8();
            const b3 = this.readUInt8();
            return 12481 + (b1 - 241) * 65536 + b2 * 256 + b3;
        }
        throw new Error('Invalid variable length indicator');
    }
    /**
     * Reads the field ordinal from the BinaryParser
     *
     * @return Field ordinal
     */
    readFieldOrdinal() {
        let type = this.readUInt8();
        let nth = type & 15;
        type >>= 4;
        if (type === 0) {
            type = this.readUInt8();
            if (type === 0 || type < 16) {
                throw new Error('Cannot read FieldOrdinal, type_code out of range');
            }
        }
        if (nth === 0) {
            nth = this.readUInt8();
            if (nth === 0 || nth < 16) {
                throw new Error('Cannot read FieldOrdinal, field_code out of range');
            }
        }
        return (type << 16) | nth;
    }
    /**
     * Read the field from the BinaryParser
     *
     * @return The field represented by the bytes at the head of the BinaryParser
     */
    readField() {
        return enums_1.Field.fromString(this.readFieldOrdinal().toString());
    }
    /**
     * Read a given type from the BinaryParser
     *
     * @param type The type that you want to read from the BinaryParser
     * @return The instance of that type read from the BinaryParser
     */
    readType(type) {
        return type.fromParser(this);
    }
    /**
     * Get the type associated with a given field
     *
     * @param field The field that you wan to get the type of
     * @return The type associated with the given field
     */
    typeForField(field) {
        return field.associatedType;
    }
    /**
     * Read value of the type specified by field from the BinaryParser
     *
     * @param field The field that you want to get the associated value for
     * @return The value associated with the given field
     */
    readFieldValue(field) {
        const type = this.typeForField(field);
        if (!type) {
            throw new Error(`unsupported: (${field.name}, ${field.type.name})`);
        }
        const sizeHint = field.isVariableLengthEncoded
            ? this.readVariableLengthLength()
            : undefined;
        const value = type.fromParser(this, sizeHint);
        if (value === undefined) {
            throw new Error(`fromParser for (${field.name}, ${field.type.name}) -> undefined `);
        }
        return value;
    }
    /**
     * Get the next field and value from the BinaryParser
     *
     * @return The field and value
     */
    readFieldAndValue() {
        const field = this.readField();
        return [field, this.readFieldValue(field)];
    }
}
exports.BinaryParser = BinaryParser;
//# sourceMappingURL=binary-parser.js.map

/***/ }),

/***/ 27894:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.BinarySerializer = exports.BytesList = void 0;
const assert = __importStar(__webpack_require__(69282));
const buffer_1 = __webpack_require__(49691);
/**
 * Bytes list is a collection of buffer objects
 */
class BytesList {
    constructor() {
        this.bytesArray = [];
    }
    /**
     * Get the total number of bytes in the BytesList
     *
     * @return the number of bytes
     */
    getLength() {
        return buffer_1.Buffer.concat(this.bytesArray).byteLength;
    }
    /**
     * Put bytes in the BytesList
     *
     * @param bytesArg A Buffer
     * @return this BytesList
     */
    put(bytesArg) {
        const bytes = buffer_1.Buffer.from(bytesArg); // Temporary, to catch instances of Uint8Array being passed in
        this.bytesArray.push(bytes);
        return this;
    }
    /**
     * Write this BytesList to the back of another bytes list
     *
     *  @param list The BytesList to write to
     */
    toBytesSink(list) {
        list.put(this.toBytes());
    }
    toBytes() {
        return buffer_1.Buffer.concat(this.bytesArray);
    }
    toHex() {
        return this.toBytes().toString('hex').toUpperCase();
    }
}
exports.BytesList = BytesList;
/**
 * BinarySerializer is used to write fields and values to buffers
 */
class BinarySerializer {
    constructor(sink) {
        this.sink = new BytesList();
        this.sink = sink;
    }
    /**
     * Write a value to this BinarySerializer
     *
     * @param value a SerializedType value
     */
    write(value) {
        value.toBytesSink(this.sink);
    }
    /**
     * Write bytes to this BinarySerializer
     *
     * @param bytes the bytes to write
     */
    put(bytes) {
        this.sink.put(bytes);
    }
    /**
     * Write a value of a given type to this BinarySerializer
     *
     * @param type the type to write
     * @param value a value of that type
     */
    writeType(type, value) {
        this.write(type.from(value));
    }
    /**
     * Write BytesList to this BinarySerializer
     *
     * @param bl BytesList to write to BinarySerializer
     */
    writeBytesList(bl) {
        bl.toBytesSink(this.sink);
    }
    /**
     * Calculate the header of Variable Length encoded bytes
     *
     * @param length the length of the bytes
     */
    encodeVariableLength(length) {
        const lenBytes = buffer_1.Buffer.alloc(3);
        if (length <= 192) {
            lenBytes[0] = length;
            return lenBytes.slice(0, 1);
        }
        else if (length <= 12480) {
            length -= 193;
            lenBytes[0] = 193 + (length >>> 8);
            lenBytes[1] = length & 0xff;
            return lenBytes.slice(0, 2);
        }
        else if (length <= 918744) {
            length -= 12481;
            lenBytes[0] = 241 + (length >>> 16);
            lenBytes[1] = (length >> 8) & 0xff;
            lenBytes[2] = length & 0xff;
            return lenBytes.slice(0, 3);
        }
        throw new Error('Overflow error');
    }
    /**
     * Write field and value to BinarySerializer
     *
     * @param field field to write to BinarySerializer
     * @param value value to write to BinarySerializer
     */
    writeFieldAndValue(field, value, isUnlModifyWorkaround = false) {
        const associatedValue = field.associatedType.from(value);
        assert.ok(associatedValue.toBytesSink !== undefined);
        assert.ok(field.name !== undefined);
        this.sink.put(field.header);
        if (field.isVariableLengthEncoded) {
            this.writeLengthEncoded(associatedValue, isUnlModifyWorkaround);
        }
        else {
            associatedValue.toBytesSink(this.sink);
        }
    }
    /**
     * Write a variable length encoded value to the BinarySerializer
     *
     * @param value length encoded value to write to BytesList
     */
    writeLengthEncoded(value, isUnlModifyWorkaround = false) {
        const bytes = new BytesList();
        if (!isUnlModifyWorkaround) {
            // this part doesn't happen for the Account field in a UNLModify transaction
            value.toBytesSink(bytes);
        }
        this.put(this.encodeVariableLength(bytes.getLength()));
        this.writeBytesList(bytes);
    }
}
exports.BinarySerializer = BinarySerializer;
//# sourceMappingURL=binary-serializer.js.map

/***/ }),

/***/ 89059:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.ShaMapLeaf = exports.ShaMapNode = exports.ShaMap = void 0;
const assert_1 = __webpack_require__(69282);
const types_1 = __webpack_require__(5003);
const hash_prefixes_1 = __webpack_require__(91771);
const hashes_1 = __webpack_require__(89019);
const buffer_1 = __webpack_require__(49691);
/**
 * Abstract class describing a SHAMapNode
 */
class ShaMapNode {
}
exports.ShaMapNode = ShaMapNode;
/**
 * Class describing a Leaf of SHAMap
 */
class ShaMapLeaf extends ShaMapNode {
    constructor(index, item) {
        super();
        this.index = index;
        this.item = item;
    }
    /**
     * @returns true as ShaMapLeaf is a leaf node
     */
    isLeaf() {
        return true;
    }
    /**
     * @returns false as ShaMapLeaf is not an inner node
     */
    isInner() {
        return false;
    }
    /**
     * Get the prefix of the this.item
     *
     * @returns The hash prefix, unless this.item is undefined, then it returns an empty Buffer
     */
    hashPrefix() {
        return this.item === undefined ? buffer_1.Buffer.alloc(0) : this.item.hashPrefix();
    }
    /**
     * Hash the bytes representation of this
     *
     * @returns hash of this.item concatenated with this.index
     */
    hash() {
        const hash = hashes_1.Sha512Half.put(this.hashPrefix());
        this.toBytesSink(hash);
        return hash.finish();
    }
    /**
     * Write the bytes representation of this to a BytesList
     * @param list BytesList to write bytes to
     */
    toBytesSink(list) {
        if (this.item !== undefined) {
            this.item.toBytesSink(list);
        }
        this.index.toBytesSink(list);
    }
}
exports.ShaMapLeaf = ShaMapLeaf;
/**
 * Class defining an Inner Node of a SHAMap
 */
class ShaMapInner extends ShaMapNode {
    constructor(depth = 0) {
        super();
        this.depth = depth;
        this.slotBits = 0;
        this.branches = Array(16);
    }
    /**
     * @returns true as ShaMapInner is an inner node
     */
    isInner() {
        return true;
    }
    /**
     * @returns false as ShaMapInner is not a leaf node
     */
    isLeaf() {
        return false;
    }
    /**
     * Get the hash prefix for this node
     *
     * @returns hash prefix describing an inner node
     */
    hashPrefix() {
        return hash_prefixes_1.HashPrefix.innerNode;
    }
    /**
     * Set a branch of this node to be another node
     *
     * @param slot Slot to add branch to this.branches
     * @param branch Branch to add
     */
    setBranch(slot, branch) {
        this.slotBits = this.slotBits | (1 << slot);
        this.branches[slot] = branch;
    }
    /**
     * @returns true if node is empty
     */
    empty() {
        return this.slotBits === 0;
    }
    /**
     * Compute the hash of this node
     *
     * @returns The hash of this node
     */
    hash() {
        if (this.empty()) {
            return types_1.coreTypes.Hash256.ZERO_256;
        }
        const hash = hashes_1.Sha512Half.put(this.hashPrefix());
        this.toBytesSink(hash);
        return hash.finish();
    }
    /**
     * Writes the bytes representation of this node to a BytesList
     *
     * @param list BytesList to write bytes to
     */
    toBytesSink(list) {
        for (let i = 0; i < this.branches.length; i++) {
            const branch = this.branches[i];
            const hash = branch ? branch.hash() : types_1.coreTypes.Hash256.ZERO_256;
            hash.toBytesSink(list);
        }
    }
    /**
     * Add item to the SHAMap
     *
     * @param index Hash of the index of the item being inserted
     * @param item Item to insert in the map
     * @param leaf Leaf node to insert when branch doesn't exist
     */
    addItem(index, item, leaf) {
        assert_1.strict.ok(index !== undefined);
        if (index !== undefined) {
            const nibble = index.nibblet(this.depth);
            const existing = this.branches[nibble];
            if (existing === undefined) {
                this.setBranch(nibble, leaf || new ShaMapLeaf(index, item));
            }
            else if (existing instanceof ShaMapLeaf) {
                const newInner = new ShaMapInner(this.depth + 1);
                newInner.addItem(existing.index, undefined, existing);
                newInner.addItem(index, item, leaf);
                this.setBranch(nibble, newInner);
            }
            else if (existing instanceof ShaMapInner) {
                existing.addItem(index, item, leaf);
            }
            else {
                throw new Error('invalid ShaMap.addItem call');
            }
        }
    }
}
class ShaMap extends ShaMapInner {
}
exports.ShaMap = ShaMap;
//# sourceMappingURL=shamap.js.map

/***/ }),

/***/ 50403:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.AccountID = void 0;
const ripple_address_codec_1 = __webpack_require__(88914);
const hash_160_1 = __webpack_require__(29292);
const buffer_1 = __webpack_require__(49691);
const HEX_REGEX = /^[A-F0-9]{40}$/;
/**
 * Class defining how to encode and decode an AccountID
 */
class AccountID extends hash_160_1.Hash160 {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : AccountID.defaultAccountID.bytes);
    }
    /**
     * Defines how to construct an AccountID
     *
     * @param value either an existing AccountID, a hex-string, or a base58 r-Address
     * @returns an AccountID object
     */
    static from(value) {
        if (value instanceof AccountID) {
            return value;
        }
        if (typeof value === 'string') {
            if (value === '') {
                return new AccountID();
            }
            return HEX_REGEX.test(value)
                ? new AccountID(buffer_1.Buffer.from(value, 'hex'))
                : this.fromBase58(value);
        }
        throw new Error('Cannot construct AccountID from value given');
    }
    /**
     * Defines how to build an AccountID from a base58 r-Address
     *
     * @param value a base58 r-Address
     * @returns an AccountID object
     */
    static fromBase58(value) {
        if ((0, ripple_address_codec_1.isValidXAddress)(value)) {
            const classic = (0, ripple_address_codec_1.xAddressToClassicAddress)(value);
            if (classic.tag !== false)
                throw new Error('Only allowed to have tag on Account or Destination');
            value = classic.classicAddress;
        }
        return new AccountID(buffer_1.Buffer.from((0, ripple_address_codec_1.decodeAccountID)(value)));
    }
    /**
     * Overload of toJSON
     *
     * @returns the base58 string for this AccountID
     */
    toJSON() {
        return this.toBase58();
    }
    /**
     * Defines how to encode AccountID into a base58 address
     *
     * @returns the base58 string defined by this.bytes
     */
    toBase58() {
        /* eslint-disable @typescript-eslint/no-explicit-any */
        return (0, ripple_address_codec_1.encodeAccountID)(this.bytes);
        /* eslint-enable @typescript-eslint/no-explicit-any */
    }
}
exports.AccountID = AccountID;
AccountID.defaultAccountID = new AccountID(buffer_1.Buffer.alloc(20));
//# sourceMappingURL=account-id.js.map

/***/ }),

/***/ 78914:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Amount = void 0;
const decimal_js_1 = __webpack_require__(93776);
const binary_parser_1 = __webpack_require__(46633);
const account_id_1 = __webpack_require__(50403);
const currency_1 = __webpack_require__(729);
const serialized_type_1 = __webpack_require__(51883);
const bigInt = __webpack_require__(24736);
const buffer_1 = __webpack_require__(49691);
/**
 * Constants for validating amounts
 */
const MIN_IOU_EXPONENT = -96;
const MAX_IOU_EXPONENT = 80;
const MAX_IOU_PRECISION = 16;
const MAX_DROPS = new decimal_js_1.Decimal('1e17');
const MIN_XRP = new decimal_js_1.Decimal('1e-6');
const mask = bigInt(0x00000000ffffffff);
/**
 * decimal.js configuration for Amount IOUs
 */
decimal_js_1.Decimal.config({
    toExpPos: MAX_IOU_EXPONENT + MAX_IOU_PRECISION,
    toExpNeg: MIN_IOU_EXPONENT - MAX_IOU_PRECISION,
});
/**
 * Type guard for AmountObject
 */
function isAmountObject(arg) {
    const keys = Object.keys(arg).sort();
    return (keys.length === 3 &&
        keys[0] === 'currency' &&
        keys[1] === 'issuer' &&
        keys[2] === 'value');
}
/**
 * Class for serializing/Deserializing Amounts
 */
class Amount extends serialized_type_1.SerializedType {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : Amount.defaultAmount.bytes);
    }
    /**
     * Construct an amount from an IOU or string amount
     *
     * @param value An Amount, object representing an IOU, or a string
     *     representing an integer amount
     * @returns An Amount object
     */
    static from(value) {
        if (value instanceof Amount) {
            return value;
        }
        let amount = buffer_1.Buffer.alloc(8);
        if (typeof value === 'string') {
            Amount.assertXrpIsValid(value);
            const number = bigInt(value);
            const intBuf = [buffer_1.Buffer.alloc(4), buffer_1.Buffer.alloc(4)];
            intBuf[0].writeUInt32BE(Number(number.shiftRight(32)), 0);
            intBuf[1].writeUInt32BE(Number(number.and(mask)), 0);
            amount = buffer_1.Buffer.concat(intBuf);
            amount[0] |= 0x40;
            return new Amount(amount);
        }
        if (isAmountObject(value)) {
            const number = new decimal_js_1.Decimal(value.value);
            Amount.assertIouIsValid(number);
            if (number.isZero()) {
                amount[0] |= 0x80;
            }
            else {
                const integerNumberString = number
                    .times(`1e${-(number.e - 15)}`)
                    .abs()
                    .toString();
                const num = bigInt(integerNumberString);
                const intBuf = [buffer_1.Buffer.alloc(4), buffer_1.Buffer.alloc(4)];
                intBuf[0].writeUInt32BE(Number(num.shiftRight(32)), 0);
                intBuf[1].writeUInt32BE(Number(num.and(mask)), 0);
                amount = buffer_1.Buffer.concat(intBuf);
                amount[0] |= 0x80;
                if (number.gt(new decimal_js_1.Decimal(0))) {
                    amount[0] |= 0x40;
                }
                const exponent = number.e - 15;
                const exponentByte = 97 + exponent;
                amount[0] |= exponentByte >>> 2;
                amount[1] |= (exponentByte & 0x03) << 6;
            }
            const currency = currency_1.Currency.from(value.currency).toBytes();
            const issuer = account_id_1.AccountID.from(value.issuer).toBytes();
            return new Amount(buffer_1.Buffer.concat([amount, currency, issuer]));
        }
        throw new Error('Invalid type to construct an Amount');
    }
    /**
     * Read an amount from a BinaryParser
     *
     * @param parser BinaryParser to read the Amount from
     * @returns An Amount object
     */
    static fromParser(parser) {
        const isXRP = parser.peek() & 0x80;
        const numBytes = isXRP ? 48 : 8;
        return new Amount(parser.read(numBytes));
    }
    /**
     * Get the JSON representation of this Amount
     *
     * @returns the JSON interpretation of this.bytes
     */
    toJSON() {
        if (this.isNative()) {
            const bytes = this.bytes;
            const isPositive = bytes[0] & 0x40;
            const sign = isPositive ? '' : '-';
            bytes[0] &= 0x3f;
            const msb = bigInt(bytes.slice(0, 4).readUInt32BE(0));
            const lsb = bigInt(bytes.slice(4).readUInt32BE(0));
            const num = msb.shiftLeft(32).or(lsb);
            return `${sign}${num.toString()}`;
        }
        else {
            const parser = new binary_parser_1.BinaryParser(this.toString());
            const mantissa = parser.read(8);
            const currency = currency_1.Currency.fromParser(parser);
            const issuer = account_id_1.AccountID.fromParser(parser);
            const b1 = mantissa[0];
            const b2 = mantissa[1];
            const isPositive = b1 & 0x40;
            const sign = isPositive ? '' : '-';
            const exponent = ((b1 & 0x3f) << 2) + ((b2 & 0xff) >> 6) - 97;
            mantissa[0] = 0;
            mantissa[1] &= 0x3f;
            const value = new decimal_js_1.Decimal(`${sign}0x${mantissa.toString('hex')}`).times(`1e${exponent}`);
            Amount.assertIouIsValid(value);
            return {
                value: value.toString(),
                currency: currency.toJSON(),
                issuer: issuer.toJSON(),
            };
        }
    }
    /**
     * Validate XRP amount
     *
     * @param amount String representing XRP amount
     * @returns void, but will throw if invalid amount
     */
    static assertXrpIsValid(amount) {
        if (amount.indexOf('.') !== -1) {
            throw new Error(`${amount.toString()} is an illegal amount`);
        }
        const decimal = new decimal_js_1.Decimal(amount);
        if (!decimal.isZero()) {
            if (decimal.lt(MIN_XRP) || decimal.gt(MAX_DROPS)) {
                throw new Error(`${amount.toString()} is an illegal amount`);
            }
        }
    }
    /**
     * Validate IOU.value amount
     *
     * @param decimal Decimal.js object representing IOU.value
     * @returns void, but will throw if invalid amount
     */
    static assertIouIsValid(decimal) {
        if (!decimal.isZero()) {
            const p = decimal.precision();
            const e = decimal.e - 15;
            if (p > MAX_IOU_PRECISION ||
                e > MAX_IOU_EXPONENT ||
                e < MIN_IOU_EXPONENT) {
                throw new Error('Decimal precision out of range');
            }
            this.verifyNoDecimal(decimal);
        }
    }
    /**
     * Ensure that the value after being multiplied by the exponent does not
     * contain a decimal.
     *
     * @param decimal a Decimal object
     * @returns a string of the object without a decimal
     */
    static verifyNoDecimal(decimal) {
        const integerNumberString = decimal
            .times(`1e${-(decimal.e - 15)}`)
            .abs()
            .toString();
        if (integerNumberString.indexOf('.') !== -1) {
            throw new Error('Decimal place found in integerNumberString');
        }
    }
    /**
     * Test if this amount is in units of Native Currency(XRP)
     *
     * @returns true if Native (XRP)
     */
    isNative() {
        return (this.bytes[0] & 0x80) === 0;
    }
}
exports.Amount = Amount;
Amount.defaultAmount = new Amount(buffer_1.Buffer.from('4000000000000000', 'hex'));
//# sourceMappingURL=amount.js.map

/***/ }),

/***/ 8906:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Blob = void 0;
const serialized_type_1 = __webpack_require__(51883);
const buffer_1 = __webpack_require__(49691);
/**
 * Variable length encoded type
 */
class Blob extends serialized_type_1.SerializedType {
    constructor(bytes) {
        super(bytes);
    }
    /**
     * Defines how to read a Blob from a BinaryParser
     *
     * @param parser The binary parser to read the Blob from
     * @param hint The length of the blob, computed by readVariableLengthLength() and passed in
     * @returns A Blob object
     */
    static fromParser(parser, hint) {
        return new Blob(parser.read(hint));
    }
    /**
     * Create a Blob object from a hex-string
     *
     * @param value existing Blob object or a hex-string
     * @returns A Blob object
     */
    static from(value) {
        if (value instanceof Blob) {
            return value;
        }
        if (typeof value === 'string') {
            return new Blob(buffer_1.Buffer.from(value, 'hex'));
        }
        throw new Error('Cannot construct Blob from value given');
    }
}
exports.Blob = Blob;
//# sourceMappingURL=blob.js.map

/***/ }),

/***/ 729:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Currency = void 0;
const hash_160_1 = __webpack_require__(29292);
const buffer_1 = __webpack_require__(49691);
const XRP_HEX_REGEX = /^0{40}$/;
const ISO_REGEX = /^[A-Z0-9a-z?!@#$%^&*(){}[\]|]{3}$/;
const HEX_REGEX = /^[A-F0-9]{40}$/;
// eslint-disable-next-line no-control-regex
const STANDARD_FORMAT_HEX_REGEX = /^0{24}[\x00-\x7F]{6}0{10}$/;
/**
 * Convert an ISO code to a currency bytes representation
 */
function isoToBytes(iso) {
    const bytes = buffer_1.Buffer.alloc(20);
    if (iso !== 'XRP') {
        const isoBytes = iso.split('').map((c) => c.charCodeAt(0));
        bytes.set(isoBytes, 12);
    }
    return bytes;
}
/**
 * Tests if ISO is a valid iso code
 */
function isIsoCode(iso) {
    return ISO_REGEX.test(iso);
}
function isoCodeFromHex(code) {
    const iso = code.toString();
    if (iso === 'XRP') {
        return null;
    }
    if (isIsoCode(iso)) {
        return iso;
    }
    return null;
}
/**
 * Tests if hex is a valid hex-string
 */
function isHex(hex) {
    return HEX_REGEX.test(hex);
}
/**
 * Tests if a string is a valid representation of a currency
 */
function isStringRepresentation(input) {
    return input.length === 3 || isHex(input);
}
/**
 * Tests if a Buffer is a valid representation of a currency
 */
function isBytesArray(bytes) {
    return bytes.byteLength === 20;
}
/**
 * Ensures that a value is a valid representation of a currency
 */
function isValidRepresentation(input) {
    return input instanceof buffer_1.Buffer
        ? isBytesArray(input)
        : isStringRepresentation(input);
}
/**
 * Generate bytes from a string or buffer representation of a currency
 */
function bytesFromRepresentation(input) {
    if (!isValidRepresentation(input)) {
        throw new Error(`Unsupported Currency representation: ${input}`);
    }
    return input.length === 3 ? isoToBytes(input) : buffer_1.Buffer.from(input, 'hex');
}
/**
 * Class defining how to encode and decode Currencies
 */
class Currency extends hash_160_1.Hash160 {
    constructor(byteBuf) {
        super(byteBuf !== null && byteBuf !== void 0 ? byteBuf : Currency.XRP.bytes);
        const hex = this.bytes.toString('hex');
        if (XRP_HEX_REGEX.test(hex)) {
            this._iso = 'XRP';
        }
        else if (STANDARD_FORMAT_HEX_REGEX.test(hex)) {
            this._iso = isoCodeFromHex(this.bytes.slice(12, 15));
        }
        else {
            this._iso = null;
        }
    }
    /**
     * Return the ISO code of this currency
     *
     * @returns ISO code if it exists, else null
     */
    iso() {
        return this._iso;
    }
    /**
     * Constructs a Currency object
     *
     * @param val Currency object or a string representation of a currency
     */
    static from(value) {
        if (value instanceof Currency) {
            return value;
        }
        if (typeof value === 'string') {
            return new Currency(bytesFromRepresentation(value));
        }
        throw new Error('Cannot construct Currency from value given');
    }
    /**
     * Gets the JSON representation of a currency
     *
     * @returns JSON representation
     */
    toJSON() {
        const iso = this.iso();
        if (iso !== null) {
            return iso;
        }
        return this.bytes.toString('hex').toUpperCase();
    }
}
exports.Currency = Currency;
Currency.XRP = new Currency(buffer_1.Buffer.alloc(20));
//# sourceMappingURL=currency.js.map

/***/ }),

/***/ 47477:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Hash128 = void 0;
const hash_1 = __webpack_require__(80142);
const buffer_1 = __webpack_require__(49691);
/**
 * Hash with a width of 128 bits
 */
class Hash128 extends hash_1.Hash {
    constructor(bytes) {
        if (bytes && bytes.byteLength === 0) {
            bytes = Hash128.ZERO_128.bytes;
        }
        super(bytes !== null && bytes !== void 0 ? bytes : Hash128.ZERO_128.bytes);
    }
    /**
     * Get the hex representation of a hash-128 bytes, allowing unset
     *
     * @returns hex String of this.bytes
     */
    toHex() {
        const hex = this.toBytes().toString('hex').toUpperCase();
        if (/^0+$/.exec(hex)) {
            return '';
        }
        return hex;
    }
}
exports.Hash128 = Hash128;
Hash128.width = 16;
Hash128.ZERO_128 = new Hash128(buffer_1.Buffer.alloc(Hash128.width));
//# sourceMappingURL=hash-128.js.map

/***/ }),

/***/ 29292:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Hash160 = void 0;
const hash_1 = __webpack_require__(80142);
const buffer_1 = __webpack_require__(49691);
/**
 * Hash with a width of 160 bits
 */
class Hash160 extends hash_1.Hash {
    constructor(bytes) {
        if (bytes && bytes.byteLength === 0) {
            bytes = Hash160.ZERO_160.bytes;
        }
        super(bytes !== null && bytes !== void 0 ? bytes : Hash160.ZERO_160.bytes);
    }
}
exports.Hash160 = Hash160;
Hash160.width = 20;
Hash160.ZERO_160 = new Hash160(buffer_1.Buffer.alloc(Hash160.width));
//# sourceMappingURL=hash-160.js.map

/***/ }),

/***/ 9334:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Hash256 = void 0;
const hash_1 = __webpack_require__(80142);
const buffer_1 = __webpack_require__(49691);
/**
 * Hash with a width of 256 bits
 */
class Hash256 extends hash_1.Hash {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : Hash256.ZERO_256.bytes);
    }
}
exports.Hash256 = Hash256;
Hash256.width = 32;
Hash256.ZERO_256 = new Hash256(buffer_1.Buffer.alloc(Hash256.width));
//# sourceMappingURL=hash-256.js.map

/***/ }),

/***/ 80142:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Hash = void 0;
const serialized_type_1 = __webpack_require__(51883);
const buffer_1 = __webpack_require__(49691);
/**
 * Base class defining how to encode and decode hashes
 */
class Hash extends serialized_type_1.Comparable {
    constructor(bytes) {
        super(bytes);
        if (this.bytes.byteLength !== this.constructor.width) {
            throw new Error(`Invalid Hash length ${this.bytes.byteLength}`);
        }
    }
    /**
     * Construct a Hash object from an existing Hash object or a hex-string
     *
     * @param value A hash object or hex-string of a hash
     */
    static from(value) {
        if (value instanceof this) {
            return value;
        }
        if (typeof value === 'string') {
            return new this(buffer_1.Buffer.from(value, 'hex'));
        }
        throw new Error('Cannot construct Hash from given value');
    }
    /**
     * Read a Hash object from a BinaryParser
     *
     * @param parser BinaryParser to read the hash from
     * @param hint length of the bytes to read, optional
     */
    static fromParser(parser, hint) {
        return new this(parser.read(hint !== null && hint !== void 0 ? hint : this.width));
    }
    /**
     * Overloaded operator for comparing two hash objects
     *
     * @param other The Hash to compare this to
     */
    compareTo(other) {
        return this.bytes.compare(this.constructor.from(other).bytes);
    }
    /**
     * @returns the hex-string representation of this Hash
     */
    toString() {
        return this.toHex();
    }
    /**
     * Returns four bits at the specified depth within a hash
     *
     * @param depth The depth of the four bits
     * @returns The number represented by the four bits
     */
    nibblet(depth) {
        const byteIx = depth > 0 ? (depth / 2) | 0 : 0;
        let b = this.bytes[byteIx];
        if (depth % 2 === 0) {
            b = (b & 0xf0) >>> 4;
        }
        else {
            b = b & 0x0f;
        }
        return b;
    }
}
exports.Hash = Hash;
//# sourceMappingURL=hash.js.map

/***/ }),

/***/ 5003:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.coreTypes = void 0;
const enums_1 = __webpack_require__(4543);
const account_id_1 = __webpack_require__(50403);
const amount_1 = __webpack_require__(78914);
const blob_1 = __webpack_require__(8906);
const currency_1 = __webpack_require__(729);
const hash_128_1 = __webpack_require__(47477);
const hash_160_1 = __webpack_require__(29292);
const hash_256_1 = __webpack_require__(9334);
const path_set_1 = __webpack_require__(66284);
const st_array_1 = __webpack_require__(91194);
const st_object_1 = __webpack_require__(30409);
const uint_16_1 = __webpack_require__(13774);
const uint_32_1 = __webpack_require__(39441);
const uint_64_1 = __webpack_require__(17569);
const uint_8_1 = __webpack_require__(97158);
const vector_256_1 = __webpack_require__(99403);
const coreTypes = {
    AccountID: account_id_1.AccountID,
    Amount: amount_1.Amount,
    Blob: blob_1.Blob,
    Currency: currency_1.Currency,
    Hash128: hash_128_1.Hash128,
    Hash160: hash_160_1.Hash160,
    Hash256: hash_256_1.Hash256,
    PathSet: path_set_1.PathSet,
    STArray: st_array_1.STArray,
    STObject: st_object_1.STObject,
    UInt8: uint_8_1.UInt8,
    UInt16: uint_16_1.UInt16,
    UInt32: uint_32_1.UInt32,
    UInt64: uint_64_1.UInt64,
    Vector256: vector_256_1.Vector256,
};
exports.coreTypes = coreTypes;
Object.values(enums_1.Field).forEach((field) => {
    field.associatedType = coreTypes[field.type.name];
});
enums_1.Field['TransactionType'].associatedType = enums_1.TransactionType;
enums_1.Field['TransactionResult'].associatedType = enums_1.TransactionResult;
enums_1.Field['LedgerEntryType'].associatedType = enums_1.LedgerEntryType;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 66284:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.PathSet = void 0;
const account_id_1 = __webpack_require__(50403);
const currency_1 = __webpack_require__(729);
const binary_parser_1 = __webpack_require__(46633);
const serialized_type_1 = __webpack_require__(51883);
const buffer_1 = __webpack_require__(49691);
/**
 * Constants for separating Paths in a PathSet
 */
const PATHSET_END_BYTE = 0x00;
const PATH_SEPARATOR_BYTE = 0xff;
/**
 * Constant for masking types of a Hop
 */
const TYPE_ACCOUNT = 0x01;
const TYPE_CURRENCY = 0x10;
const TYPE_ISSUER = 0x20;
/**
 * TypeGuard for HopObject
 */
function isHopObject(arg) {
    return (arg.issuer !== undefined ||
        arg.account !== undefined ||
        arg.currency !== undefined);
}
/**
 * TypeGuard for PathSet
 */
function isPathSet(arg) {
    return ((Array.isArray(arg) && arg.length === 0) ||
        (Array.isArray(arg) && Array.isArray(arg[0]) && arg[0].length === 0) ||
        (Array.isArray(arg) && Array.isArray(arg[0]) && isHopObject(arg[0][0])));
}
/**
 * Serialize and Deserialize a Hop
 */
class Hop extends serialized_type_1.SerializedType {
    /**
     * Create a Hop from a HopObject
     *
     * @param value Either a hop or HopObject to create a hop with
     * @returns a Hop
     */
    static from(value) {
        if (value instanceof Hop) {
            return value;
        }
        const bytes = [buffer_1.Buffer.from([0])];
        if (value.account) {
            bytes.push(account_id_1.AccountID.from(value.account).toBytes());
            bytes[0][0] |= TYPE_ACCOUNT;
        }
        if (value.currency) {
            bytes.push(currency_1.Currency.from(value.currency).toBytes());
            bytes[0][0] |= TYPE_CURRENCY;
        }
        if (value.issuer) {
            bytes.push(account_id_1.AccountID.from(value.issuer).toBytes());
            bytes[0][0] |= TYPE_ISSUER;
        }
        return new Hop(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Construct a Hop from a BinaryParser
     *
     * @param parser BinaryParser to read the Hop from
     * @returns a Hop
     */
    static fromParser(parser) {
        const type = parser.readUInt8();
        const bytes = [buffer_1.Buffer.from([type])];
        if (type & TYPE_ACCOUNT) {
            bytes.push(parser.read(account_id_1.AccountID.width));
        }
        if (type & TYPE_CURRENCY) {
            bytes.push(parser.read(currency_1.Currency.width));
        }
        if (type & TYPE_ISSUER) {
            bytes.push(parser.read(account_id_1.AccountID.width));
        }
        return new Hop(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Get the JSON interpretation of this hop
     *
     * @returns a HopObject, an JS object with optional account, issuer, and currency
     */
    toJSON() {
        const hopParser = new binary_parser_1.BinaryParser(this.bytes.toString('hex'));
        const type = hopParser.readUInt8();
        let account, currency, issuer;
        if (type & TYPE_ACCOUNT) {
            account = account_id_1.AccountID.fromParser(hopParser).toJSON();
        }
        if (type & TYPE_CURRENCY) {
            currency = currency_1.Currency.fromParser(hopParser).toJSON();
        }
        if (type & TYPE_ISSUER) {
            issuer = account_id_1.AccountID.fromParser(hopParser).toJSON();
        }
        const result = {};
        if (account) {
            result.account = account;
        }
        if (issuer) {
            result.issuer = issuer;
        }
        if (currency) {
            result.currency = currency;
        }
        return result;
    }
    /**
     * get a number representing the type of this hop
     *
     * @returns a number to be bitwise and-ed with TYPE_ constants to describe the types in the hop
     */
    type() {
        return this.bytes[0];
    }
}
/**
 * Class for serializing/deserializing Paths
 */
class Path extends serialized_type_1.SerializedType {
    /**
     * construct a Path from an array of Hops
     *
     * @param value Path or array of HopObjects to construct a Path
     * @returns the Path
     */
    static from(value) {
        if (value instanceof Path) {
            return value;
        }
        const bytes = [];
        value.forEach((hop) => {
            bytes.push(Hop.from(hop).toBytes());
        });
        return new Path(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Read a Path from a BinaryParser
     *
     * @param parser BinaryParser to read Path from
     * @returns the Path represented by the bytes read from the BinaryParser
     */
    static fromParser(parser) {
        const bytes = [];
        while (!parser.end()) {
            bytes.push(Hop.fromParser(parser).toBytes());
            if (parser.peek() === PATHSET_END_BYTE ||
                parser.peek() === PATH_SEPARATOR_BYTE) {
                break;
            }
        }
        return new Path(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Get the JSON representation of this Path
     *
     * @returns an Array of HopObject constructed from this.bytes
     */
    toJSON() {
        const json = [];
        const pathParser = new binary_parser_1.BinaryParser(this.toString());
        while (!pathParser.end()) {
            json.push(Hop.fromParser(pathParser).toJSON());
        }
        return json;
    }
}
/**
 * Deserialize and Serialize the PathSet type
 */
class PathSet extends serialized_type_1.SerializedType {
    /**
     * Construct a PathSet from an Array of Arrays representing paths
     *
     * @param value A PathSet or Array of Array of HopObjects
     * @returns the PathSet constructed from value
     */
    static from(value) {
        if (value instanceof PathSet) {
            return value;
        }
        if (isPathSet(value)) {
            const bytes = [];
            value.forEach((path) => {
                bytes.push(Path.from(path).toBytes());
                bytes.push(buffer_1.Buffer.from([PATH_SEPARATOR_BYTE]));
            });
            bytes[bytes.length - 1] = buffer_1.Buffer.from([PATHSET_END_BYTE]);
            return new PathSet(buffer_1.Buffer.concat(bytes));
        }
        throw new Error('Cannot construct PathSet from given value');
    }
    /**
     * Construct a PathSet from a BinaryParser
     *
     * @param parser A BinaryParser to read PathSet from
     * @returns the PathSet read from parser
     */
    static fromParser(parser) {
        const bytes = [];
        while (!parser.end()) {
            bytes.push(Path.fromParser(parser).toBytes());
            bytes.push(parser.read(1));
            if (bytes[bytes.length - 1][0] == PATHSET_END_BYTE) {
                break;
            }
        }
        return new PathSet(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Get the JSON representation of this PathSet
     *
     * @returns an Array of Array of HopObjects, representing this PathSet
     */
    toJSON() {
        const json = [];
        const pathParser = new binary_parser_1.BinaryParser(this.toString());
        while (!pathParser.end()) {
            json.push(Path.fromParser(pathParser).toJSON());
            pathParser.skip(1);
        }
        return json;
    }
}
exports.PathSet = PathSet;
//# sourceMappingURL=path-set.js.map

/***/ }),

/***/ 51883:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Comparable = exports.SerializedType = void 0;
const binary_serializer_1 = __webpack_require__(27894);
const buffer_1 = __webpack_require__(49691);
/**
 * The base class for all binary-codec types
 */
class SerializedType {
    constructor(bytes) {
        this.bytes = buffer_1.Buffer.alloc(0);
        this.bytes = bytes !== null && bytes !== void 0 ? bytes : buffer_1.Buffer.alloc(0);
    }
    static fromParser(parser, hint) {
        throw new Error('fromParser not implemented');
        return this.fromParser(parser, hint);
    }
    static from(value) {
        throw new Error('from not implemented');
        return this.from(value);
    }
    /**
     * Write the bytes representation of a SerializedType to a BytesList
     *
     * @param list The BytesList to write SerializedType bytes to
     */
    toBytesSink(list) {
        list.put(this.bytes);
    }
    /**
     * Get the hex representation of a SerializedType's bytes
     *
     * @returns hex String of this.bytes
     */
    toHex() {
        return this.toBytes().toString('hex').toUpperCase();
    }
    /**
     * Get the bytes representation of a SerializedType
     *
     * @returns A buffer of the bytes
     */
    toBytes() {
        if (this.bytes) {
            return this.bytes;
        }
        const bytes = new binary_serializer_1.BytesList();
        this.toBytesSink(bytes);
        return bytes.toBytes();
    }
    /**
     * Return the JSON representation of a SerializedType
     *
     * @returns any type, if not overloaded returns hexString representation of bytes
     */
    toJSON() {
        return this.toHex();
    }
    /**
     * @returns hexString representation of this.bytes
     */
    toString() {
        return this.toHex();
    }
}
exports.SerializedType = SerializedType;
/**
 * Base class for SerializedTypes that are comparable
 */
class Comparable extends SerializedType {
    lt(other) {
        return this.compareTo(other) < 0;
    }
    eq(other) {
        return this.compareTo(other) === 0;
    }
    gt(other) {
        return this.compareTo(other) > 0;
    }
    gte(other) {
        return this.compareTo(other) > -1;
    }
    lte(other) {
        return this.compareTo(other) < 1;
    }
    /**
     * Overload this method to define how two Comparable SerializedTypes are compared
     *
     * @param other The comparable object to compare this to
     * @returns A number denoting the relationship of this and other
     */
    compareTo(other) {
        throw new Error(`cannot compare ${this.toString()} and ${other.toString()}`);
    }
}
exports.Comparable = Comparable;
//# sourceMappingURL=serialized-type.js.map

/***/ }),

/***/ 91194:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.STArray = void 0;
const serialized_type_1 = __webpack_require__(51883);
const st_object_1 = __webpack_require__(30409);
const binary_parser_1 = __webpack_require__(46633);
const buffer_1 = __webpack_require__(49691);
const ARRAY_END_MARKER = buffer_1.Buffer.from([0xf1]);
const ARRAY_END_MARKER_NAME = 'ArrayEndMarker';
const OBJECT_END_MARKER = buffer_1.Buffer.from([0xe1]);
/**
 * TypeGuard for Array<JsonObject>
 */
function isObjects(args) {
    return (Array.isArray(args) && (args.length === 0 || typeof args[0] === 'object'));
}
/**
 * Class for serializing and deserializing Arrays of Objects
 */
class STArray extends serialized_type_1.SerializedType {
    /**
     * Construct an STArray from a BinaryParser
     *
     * @param parser BinaryParser to parse an STArray from
     * @returns An STArray Object
     */
    static fromParser(parser) {
        const bytes = [];
        while (!parser.end()) {
            const field = parser.readField();
            if (field.name === ARRAY_END_MARKER_NAME) {
                break;
            }
            bytes.push(field.header, parser.readFieldValue(field).toBytes(), OBJECT_END_MARKER);
        }
        bytes.push(ARRAY_END_MARKER);
        return new STArray(buffer_1.Buffer.concat(bytes));
    }
    /**
     * Construct an STArray from an Array of JSON Objects
     *
     * @param value STArray or Array of Objects to parse into an STArray
     * @returns An STArray object
     */
    static from(value) {
        if (value instanceof STArray) {
            return value;
        }
        if (isObjects(value)) {
            const bytes = [];
            value.forEach((obj) => {
                bytes.push(st_object_1.STObject.from(obj).toBytes());
            });
            bytes.push(ARRAY_END_MARKER);
            return new STArray(buffer_1.Buffer.concat(bytes));
        }
        throw new Error('Cannot construct STArray from value given');
    }
    /**
     * Return the JSON representation of this.bytes
     *
     * @returns An Array of JSON objects
     */
    toJSON() {
        const result = [];
        const arrayParser = new binary_parser_1.BinaryParser(this.toString());
        while (!arrayParser.end()) {
            const field = arrayParser.readField();
            if (field.name === ARRAY_END_MARKER_NAME) {
                break;
            }
            const outer = {};
            outer[field.name] = st_object_1.STObject.fromParser(arrayParser).toJSON();
            result.push(outer);
        }
        return result;
    }
}
exports.STArray = STArray;
//# sourceMappingURL=st-array.js.map

/***/ }),

/***/ 30409:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.STObject = void 0;
const enums_1 = __webpack_require__(4543);
const serialized_type_1 = __webpack_require__(51883);
const ripple_address_codec_1 = __webpack_require__(88914);
const binary_parser_1 = __webpack_require__(46633);
const binary_serializer_1 = __webpack_require__(27894);
const buffer_1 = __webpack_require__(49691);
const OBJECT_END_MARKER_BYTE = buffer_1.Buffer.from([0xe1]);
const OBJECT_END_MARKER = 'ObjectEndMarker';
const ST_OBJECT = 'STObject';
const DESTINATION = 'Destination';
const ACCOUNT = 'Account';
const SOURCE_TAG = 'SourceTag';
const DEST_TAG = 'DestinationTag';
/**
 * Break down an X-Address into an account and a tag
 *
 * @param field Name of field
 * @param xAddress X-Address corresponding to the field
 */
function handleXAddress(field, xAddress) {
    const decoded = (0, ripple_address_codec_1.xAddressToClassicAddress)(xAddress);
    let tagName;
    if (field === DESTINATION)
        tagName = DEST_TAG;
    else if (field === ACCOUNT)
        tagName = SOURCE_TAG;
    else if (decoded.tag !== false)
        throw new Error(`${field} cannot have an associated tag`);
    return decoded.tag !== false
        ? { [field]: decoded.classicAddress, [tagName]: decoded.tag }
        : { [field]: decoded.classicAddress };
}
/**
 * Validate that two objects don't both have the same tag fields
 *
 * @param obj1 First object to check for tags
 * @param obj2 Second object to check for tags
 * @throws When both objects have SourceTag or DestinationTag
 */
function checkForDuplicateTags(obj1, obj2) {
    if (!(obj1[SOURCE_TAG] === undefined || obj2[SOURCE_TAG] === undefined))
        throw new Error('Cannot have Account X-Address and SourceTag');
    if (!(obj1[DEST_TAG] === undefined || obj2[DEST_TAG] === undefined))
        throw new Error('Cannot have Destination X-Address and DestinationTag');
}
/**
 * Class for Serializing/Deserializing objects
 */
class STObject extends serialized_type_1.SerializedType {
    /**
     * Construct a STObject from a BinaryParser
     *
     * @param parser BinaryParser to read STObject from
     * @returns A STObject object
     */
    static fromParser(parser) {
        const list = new binary_serializer_1.BytesList();
        const bytes = new binary_serializer_1.BinarySerializer(list);
        while (!parser.end()) {
            const field = parser.readField();
            if (field.name === OBJECT_END_MARKER) {
                break;
            }
            const associatedValue = parser.readFieldValue(field);
            bytes.writeFieldAndValue(field, associatedValue);
            if (field.type.name === ST_OBJECT) {
                bytes.put(OBJECT_END_MARKER_BYTE);
            }
        }
        return new STObject(list.toBytes());
    }
    /**
     * Construct a STObject from a JSON object
     *
     * @param value An object to include
     * @param filter optional, denote which field to include in serialized object
     * @returns a STObject object
     */
    static from(value, filter) {
        if (value instanceof STObject) {
            return value;
        }
        const list = new binary_serializer_1.BytesList();
        const bytes = new binary_serializer_1.BinarySerializer(list);
        let isUnlModify = false;
        const xAddressDecoded = Object.entries(value).reduce((acc, [key, val]) => {
            let handled = undefined;
            if (val && (0, ripple_address_codec_1.isValidXAddress)(val.toString())) {
                handled = handleXAddress(key, val.toString());
                checkForDuplicateTags(handled, value);
            }
            return Object.assign(acc, handled !== null && handled !== void 0 ? handled : { [key]: val });
        }, {});
        let sorted = Object.keys(xAddressDecoded)
            .map((f) => enums_1.Field[f])
            .filter((f) => f !== undefined &&
            xAddressDecoded[f.name] !== undefined &&
            f.isSerialized)
            .sort((a, b) => {
            return a.ordinal - b.ordinal;
        });
        if (filter !== undefined) {
            sorted = sorted.filter(filter);
        }
        sorted.forEach((field) => {
            const associatedValue = field.associatedType.from(xAddressDecoded[field.name]);
            if (associatedValue == undefined) {
                throw new TypeError(`Unable to interpret "${field.name}: ${xAddressDecoded[field.name]}".`);
            }
            if (associatedValue.name === 'UNLModify') {
                // triggered when the TransactionType field has a value of 'UNLModify'
                isUnlModify = true;
            }
            // true when in the UNLModify pseudotransaction (after the transaction type has been processed) and working with the
            // Account field
            // The Account field must not be a part of the UNLModify pseudotransaction encoding, due to a bug in rippled
            const isUnlModifyWorkaround = field.name == 'Account' && isUnlModify;
            bytes.writeFieldAndValue(field, associatedValue, isUnlModifyWorkaround);
            if (field.type.name === ST_OBJECT) {
                bytes.put(OBJECT_END_MARKER_BYTE);
            }
        });
        return new STObject(list.toBytes());
    }
    /**
     * Get the JSON interpretation of this.bytes
     *
     * @returns a JSON object
     */
    toJSON() {
        const objectParser = new binary_parser_1.BinaryParser(this.toString());
        const accumulator = {};
        while (!objectParser.end()) {
            const field = objectParser.readField();
            if (field.name === OBJECT_END_MARKER) {
                break;
            }
            accumulator[field.name] = objectParser.readFieldValue(field).toJSON();
        }
        return accumulator;
    }
}
exports.STObject = STObject;
//# sourceMappingURL=st-object.js.map

/***/ }),

/***/ 13774:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.UInt16 = void 0;
const uint_1 = __webpack_require__(46770);
const buffer_1 = __webpack_require__(49691);
/**
 * Derived UInt class for serializing/deserializing 16 bit UInt
 */
class UInt16 extends uint_1.UInt {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : UInt16.defaultUInt16.bytes);
    }
    static fromParser(parser) {
        return new UInt16(parser.read(UInt16.width));
    }
    /**
     * Construct a UInt16 object from a number
     *
     * @param val UInt16 object or number
     */
    static from(val) {
        if (val instanceof UInt16) {
            return val;
        }
        if (typeof val === 'number') {
            const buf = buffer_1.Buffer.alloc(UInt16.width);
            buf.writeUInt16BE(val, 0);
            return new UInt16(buf);
        }
        throw new Error('Can not construct UInt16 with given value');
    }
    /**
     * get the value of a UInt16 object
     *
     * @returns the number represented by this.bytes
     */
    valueOf() {
        return this.bytes.readUInt16BE(0);
    }
}
exports.UInt16 = UInt16;
UInt16.width = 16 / 8; // 2
UInt16.defaultUInt16 = new UInt16(buffer_1.Buffer.alloc(UInt16.width));
//# sourceMappingURL=uint-16.js.map

/***/ }),

/***/ 39441:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.UInt32 = void 0;
const uint_1 = __webpack_require__(46770);
const buffer_1 = __webpack_require__(49691);
/**
 * Derived UInt class for serializing/deserializing 32 bit UInt
 */
class UInt32 extends uint_1.UInt {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : UInt32.defaultUInt32.bytes);
    }
    static fromParser(parser) {
        return new UInt32(parser.read(UInt32.width));
    }
    /**
     * Construct a UInt32 object from a number
     *
     * @param val UInt32 object or number
     */
    static from(val) {
        if (val instanceof UInt32) {
            return val;
        }
        const buf = buffer_1.Buffer.alloc(UInt32.width);
        if (typeof val === 'string') {
            const num = Number.parseInt(val);
            buf.writeUInt32BE(num, 0);
            return new UInt32(buf);
        }
        if (typeof val === 'number') {
            buf.writeUInt32BE(val, 0);
            return new UInt32(buf);
        }
        throw new Error('Cannot construct UInt32 from given value');
    }
    /**
     * get the value of a UInt32 object
     *
     * @returns the number represented by this.bytes
     */
    valueOf() {
        return this.bytes.readUInt32BE(0);
    }
}
exports.UInt32 = UInt32;
UInt32.width = 32 / 8; // 4
UInt32.defaultUInt32 = new UInt32(buffer_1.Buffer.alloc(UInt32.width));
//# sourceMappingURL=uint-32.js.map

/***/ }),

/***/ 17569:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.UInt64 = void 0;
const uint_1 = __webpack_require__(46770);
const bigInt = __webpack_require__(24736);
const big_integer_1 = __webpack_require__(24736);
const buffer_1 = __webpack_require__(49691);
const HEX_REGEX = /^[a-fA-F0-9]{1,16}$/;
const mask = bigInt(0x00000000ffffffff);
/**
 * Derived UInt class for serializing/deserializing 64 bit UInt
 */
class UInt64 extends uint_1.UInt {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : UInt64.defaultUInt64.bytes);
    }
    static fromParser(parser) {
        return new UInt64(parser.read(UInt64.width));
    }
    /**
     * Construct a UInt64 object
     *
     * @param val A UInt64, hex-string, bigInt, or number
     * @returns A UInt64 object
     */
    static from(val) {
        if (val instanceof UInt64) {
            return val;
        }
        let buf = buffer_1.Buffer.alloc(UInt64.width);
        if (typeof val === 'number') {
            if (val < 0) {
                throw new Error('value must be an unsigned integer');
            }
            const number = bigInt(val);
            const intBuf = [buffer_1.Buffer.alloc(4), buffer_1.Buffer.alloc(4)];
            intBuf[0].writeUInt32BE(Number(number.shiftRight(32)), 0);
            intBuf[1].writeUInt32BE(Number(number.and(mask)), 0);
            return new UInt64(buffer_1.Buffer.concat(intBuf));
        }
        if (typeof val === 'string') {
            if (!HEX_REGEX.test(val)) {
                throw new Error(`${val} is not a valid hex-string`);
            }
            const strBuf = val.padStart(16, '0');
            buf = buffer_1.Buffer.from(strBuf, 'hex');
            return new UInt64(buf);
        }
        if ((0, big_integer_1.isInstance)(val)) {
            const intBuf = [buffer_1.Buffer.alloc(4), buffer_1.Buffer.alloc(4)];
            intBuf[0].writeUInt32BE(Number(val.shiftRight(bigInt(32))), 0);
            intBuf[1].writeUInt32BE(Number(val.and(mask)), 0);
            return new UInt64(buffer_1.Buffer.concat(intBuf));
        }
        throw new Error('Cannot construct UInt64 from given value');
    }
    /**
     * The JSON representation of a UInt64 object
     *
     * @returns a hex-string
     */
    toJSON() {
        return this.bytes.toString('hex').toUpperCase();
    }
    /**
     * Get the value of the UInt64
     *
     * @returns the number represented buy this.bytes
     */
    valueOf() {
        const msb = bigInt(this.bytes.slice(0, 4).readUInt32BE(0));
        const lsb = bigInt(this.bytes.slice(4).readUInt32BE(0));
        return msb.shiftLeft(bigInt(32)).or(lsb);
    }
    /**
     * Get the bytes representation of the UInt64 object
     *
     * @returns 8 bytes representing the UInt64
     */
    toBytes() {
        return this.bytes;
    }
}
exports.UInt64 = UInt64;
UInt64.width = 64 / 8; // 8
UInt64.defaultUInt64 = new UInt64(buffer_1.Buffer.alloc(UInt64.width));
//# sourceMappingURL=uint-64.js.map

/***/ }),

/***/ 97158:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.UInt8 = void 0;
const uint_1 = __webpack_require__(46770);
const buffer_1 = __webpack_require__(49691);
/**
 * Derived UInt class for serializing/deserializing 8 bit UInt
 */
class UInt8 extends uint_1.UInt {
    constructor(bytes) {
        super(bytes !== null && bytes !== void 0 ? bytes : UInt8.defaultUInt8.bytes);
    }
    static fromParser(parser) {
        return new UInt8(parser.read(UInt8.width));
    }
    /**
     * Construct a UInt8 object from a number
     *
     * @param val UInt8 object or number
     */
    static from(val) {
        if (val instanceof UInt8) {
            return val;
        }
        if (typeof val === 'number') {
            const buf = buffer_1.Buffer.alloc(UInt8.width);
            buf.writeUInt8(val, 0);
            return new UInt8(buf);
        }
        throw new Error('Cannot construct UInt8 from given value');
    }
    /**
     * get the value of a UInt8 object
     *
     * @returns the number represented by this.bytes
     */
    valueOf() {
        return this.bytes.readUInt8(0);
    }
}
exports.UInt8 = UInt8;
UInt8.width = 8 / 8; // 1
UInt8.defaultUInt8 = new UInt8(buffer_1.Buffer.alloc(UInt8.width));
//# sourceMappingURL=uint-8.js.map

/***/ }),

/***/ 46770:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.UInt = void 0;
const serialized_type_1 = __webpack_require__(51883);
/**
 * Compare numbers and bigInts n1 and n2
 *
 * @param n1 First object to compare
 * @param n2 Second object to compare
 * @returns -1, 0, or 1, depending on how the two objects compare
 */
function compare(n1, n2) {
    return n1 < n2 ? -1 : n1 == n2 ? 0 : 1;
}
/**
 * Base class for serializing and deserializing unsigned integers.
 */
class UInt extends serialized_type_1.Comparable {
    constructor(bytes) {
        super(bytes);
    }
    /**
     * Overload of compareTo for Comparable
     *
     * @param other other UInt to compare this to
     * @returns -1, 0, or 1 depending on how the objects relate to each other
     */
    compareTo(other) {
        return compare(this.valueOf(), other.valueOf());
    }
    /**
     * Convert a UInt object to JSON
     *
     * @returns number or string represented by this.bytes
     */
    toJSON() {
        const val = this.valueOf();
        return typeof val === 'number' ? val : val.toString();
    }
}
exports.UInt = UInt;
//# sourceMappingURL=uint.js.map

/***/ }),

/***/ 99403:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Vector256 = void 0;
const serialized_type_1 = __webpack_require__(51883);
const hash_256_1 = __webpack_require__(9334);
const binary_serializer_1 = __webpack_require__(27894);
/**
 * TypeGuard for Array<string>
 */
function isStrings(arg) {
    return Array.isArray(arg) && (arg.length === 0 || typeof arg[0] === 'string');
}
/**
 * Class for serializing and deserializing vectors of Hash256
 */
class Vector256 extends serialized_type_1.SerializedType {
    constructor(bytes) {
        super(bytes);
    }
    /**
     * Construct a Vector256 from a BinaryParser
     *
     * @param parser BinaryParser to
     * @param hint length of the vector, in bytes, optional
     * @returns a Vector256 object
     */
    static fromParser(parser, hint) {
        const bytesList = new binary_serializer_1.BytesList();
        const bytes = hint !== null && hint !== void 0 ? hint : parser.size();
        const hashes = bytes / 32;
        for (let i = 0; i < hashes; i++) {
            hash_256_1.Hash256.fromParser(parser).toBytesSink(bytesList);
        }
        return new Vector256(bytesList.toBytes());
    }
    /**
     * Construct a Vector256 object from an array of hashes
     *
     * @param value A Vector256 object or array of hex-strings representing Hash256's
     * @returns a Vector256 object
     */
    static from(value) {
        if (value instanceof Vector256) {
            return value;
        }
        if (isStrings(value)) {
            const bytesList = new binary_serializer_1.BytesList();
            value.forEach((hash) => {
                hash_256_1.Hash256.from(hash).toBytesSink(bytesList);
            });
            return new Vector256(bytesList.toBytes());
        }
        throw new Error('Cannot construct Vector256 from given value');
    }
    /**
     * Return an Array of hex-strings represented by this.bytes
     *
     * @returns An Array of strings representing the Hash256 objects
     */
    toJSON() {
        if (this.bytes.byteLength % 32 !== 0) {
            throw new Error('Invalid bytes for Vector256');
        }
        const result = [];
        for (let i = 0; i < this.bytes.byteLength; i += 32) {
            result.push(this.bytes
                .slice(i, i + 32)
                .toString('hex')
                .toUpperCase());
        }
        return result;
    }
}
exports.Vector256 = Vector256;
//# sourceMappingURL=vector-256.js.map

/***/ }),

/***/ 49691:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */



var base64 = __webpack_require__(79742)
var ieee754 = __webpack_require__(80645)
var customInspectSymbol =
  (typeof Symbol === 'function' && typeof Symbol.for === 'function')
    ? Symbol.for('nodejs.util.inspect.custom')
    : null

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

var K_MAX_LENGTH = 0x7fffffff
exports.kMaxLength = K_MAX_LENGTH

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Print warning and recommend using `buffer` v4.x which has an Object
 *               implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * We report that the browser does not support typed arrays if the are not subclassable
 * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
 * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
 * for __proto__ and has a buggy typed array implementation.
 */
Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()

if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
    typeof console.error === 'function') {
  console.error(
    'This browser lacks typed array (Uint8Array) support which is required by ' +
    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
  )
}

function typedArraySupport () {
  // Can typed array instances can be augmented?
  try {
    var arr = new Uint8Array(1)
    var proto = { foo: function () { return 42 } }
    Object.setPrototypeOf(proto, Uint8Array.prototype)
    Object.setPrototypeOf(arr, proto)
    return arr.foo() === 42
  } catch (e) {
    return false
  }
}

Object.defineProperty(Buffer.prototype, 'parent', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.buffer
  }
})

Object.defineProperty(Buffer.prototype, 'offset', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.byteOffset
  }
})

function createBuffer (length) {
  if (length > K_MAX_LENGTH) {
    throw new RangeError('The value "' + length + '" is invalid for option "size"')
  }
  // Return an augmented `Uint8Array` instance
  var buf = new Uint8Array(length)
  Object.setPrototypeOf(buf, Buffer.prototype)
  return buf
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new TypeError(
        'The "string" argument must be of type string. Received type number'
      )
    }
    return allocUnsafe(arg)
  }
  return from(arg, encodingOrOffset, length)
}

Buffer.poolSize = 8192 // not used by this implementation

function from (value, encodingOrOffset, length) {
  if (typeof value === 'string') {
    return fromString(value, encodingOrOffset)
  }

  if (ArrayBuffer.isView(value)) {
    return fromArrayLike(value)
  }

  if (value == null) {
    throw new TypeError(
      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
      'or Array-like Object. Received type ' + (typeof value)
    )
  }

  if (isInstance(value, ArrayBuffer) ||
      (value && isInstance(value.buffer, ArrayBuffer))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

  if (typeof SharedArrayBuffer !== 'undefined' &&
      (isInstance(value, SharedArrayBuffer) ||
      (value && isInstance(value.buffer, SharedArrayBuffer)))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

  if (typeof value === 'number') {
    throw new TypeError(
      'The "value" argument must not be of type number. Received type number'
    )
  }

  var valueOf = value.valueOf && value.valueOf()
  if (valueOf != null && valueOf !== value) {
    return Buffer.from(valueOf, encodingOrOffset, length)
  }

  var b = fromObject(value)
  if (b) return b

  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
      typeof value[Symbol.toPrimitive] === 'function') {
    return Buffer.from(
      value[Symbol.toPrimitive]('string'), encodingOrOffset, length
    )
  }

  throw new TypeError(
    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
    'or Array-like Object. Received type ' + (typeof value)
  )
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(value, encodingOrOffset, length)
}

// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
// https://github.com/feross/buffer/pull/148
Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)
Object.setPrototypeOf(Buffer, Uint8Array)

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be of type number')
  } else if (size < 0) {
    throw new RangeError('The value "' + size + '" is invalid for option "size"')
  }
}

function alloc (size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpretted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(size).fill(fill, encoding)
      : createBuffer(size).fill(fill)
  }
  return createBuffer(size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(size, fill, encoding)
}

function allocUnsafe (size) {
  assertSize(size)
  return createBuffer(size < 0 ? 0 : checked(size) | 0)
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(size)
}

function fromString (string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

  if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('Unknown encoding: ' + encoding)
  }

  var length = byteLength(string, encoding) | 0
  var buf = createBuffer(length)

  var actual = buf.write(string, encoding)

  if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    buf = buf.slice(0, actual)
  }

  return buf
}

function fromArrayLike (array) {
  var length = array.length < 0 ? 0 : checked(array.length) | 0
  var buf = createBuffer(length)
  for (var i = 0; i < length; i += 1) {
    buf[i] = array[i] & 255
  }
  return buf
}

function fromArrayBuffer (array, byteOffset, length) {
  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('"offset" is outside of buffer bounds')
  }

  if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('"length" is outside of buffer bounds')
  }

  var buf
  if (byteOffset === undefined && length === undefined) {
    buf = new Uint8Array(array)
  } else if (length === undefined) {
    buf = new Uint8Array(array, byteOffset)
  } else {
    buf = new Uint8Array(array, byteOffset, length)
  }

  // Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(buf, Buffer.prototype)

  return buf
}

function fromObject (obj) {
  if (Buffer.isBuffer(obj)) {
    var len = checked(obj.length) | 0
    var buf = createBuffer(len)

    if (buf.length === 0) {
      return buf
    }

    obj.copy(buf, 0, 0, len)
    return buf
  }

  if (obj.length !== undefined) {
    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
      return createBuffer(0)
    }
    return fromArrayLike(obj)
  }

  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
    return fromArrayLike(obj.data)
  }
}

function checked (length) {
  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= K_MAX_LENGTH) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return b != null && b._isBuffer === true &&
    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
}

Buffer.compare = function compare (a, b) {
  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError(
      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
    )
  }

  if (a === b) return 0

  var x = a.length
  var y = b.length

  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!Array.isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

  if (list.length === 0) {
    return Buffer.alloc(0)
  }

  var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

  var buffer = Buffer.allocUnsafe(length)
  var pos = 0
  for (i = 0; i < list.length; ++i) {
    var buf = list[i]
    if (isInstance(buf, Uint8Array)) {
      buf = Buffer.from(buf)
    }
    if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    }
    buf.copy(buffer, pos)
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    throw new TypeError(
      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
      'Received type ' + typeof string
    )
  }

  var len = string.length
  var mustMatch = (arguments.length > 2 && arguments[2] === true)
  if (!mustMatch && len === 0) return 0

  // Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) {
          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
        }
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  var loweredCase = false

  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

  // This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

  if (end === undefined || end > this.length) {
    end = this.length
  }

  if (end <= 0) {
    return ''
  }

  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

  if (end <= start) {
    return ''
  }

  if (!encoding) encoding = 'utf8'

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
// reliably in a browserify context because there could be multiple different
// copies of the 'buffer' package in use. This method works even for Buffer
// instances that were created from another copy of the `buffer` package.
// See: https://github.com/feross/buffer/issues/154
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  var i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  var len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (var i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  var len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (var i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  var len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (var i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  var length = this.length
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.toLocaleString = Buffer.prototype.toString

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
  if (this.length > max) str += ' ... '
  return '<Buffer ' + str + '>'
}
if (customInspectSymbol) {
  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (isInstance(target, Uint8Array)) {
    target = Buffer.from(target, target.offset, target.byteLength)
  }
  if (!Buffer.isBuffer(target)) {
    throw new TypeError(
      'The "target" argument must be one of type Buffer or Uint8Array. ' +
      'Received type ' + (typeof target)
    )
  }

  if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

  if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

  start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

  if (this === target) return 0

  var x = thisEnd - thisStart
  var y = end - start
  var len = Math.min(x, y)

  var thisCopy = this.slice(thisStart, thisEnd)
  var targetCopy = target.slice(start, end)

  for (var i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

  // Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset // Coerce to Number.
  if (numberIsNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

  // Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

  // Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

  // Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)
  }

  throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  var indexSize = 1
  var arrLength = arr.length
  var valLength = val.length

  if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

  function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

  var i
  if (dir) {
    var foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      var found = true
      for (var j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

  return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  var strLen = string.length

  if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; ++i) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (numberIsNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function latin1Write (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset >>> 0
    if (isFinite(length)) {
      length = length >>> 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

  var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
        return asciiWrite(this, string, offset, length)

      case 'latin1':
      case 'binary':
        return latin1Write(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

  var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
        : (firstByte > 0xBF) ? 2
          : 1

    if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  var out = ''
  for (var i = start; i < end; ++i) {
    out += hexSliceLookupTable[buf[i]]
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  var newBuf = this.subarray(start, end)
  // Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(newBuf, Buffer.prototype)

  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset + 3] = (value >>> 24)
  this[offset + 2] = (value >>> 16)
  this[offset + 1] = (value >>> 8)
  this[offset] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = 0
  var mul = 1
  var sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = byteLength - 1
  var mul = 1
  var sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  this[offset + 2] = (value >>> 16)
  this[offset + 3] = (value >>> 24)
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  var len = end - start

  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
    // Use built-in when available, missing from IE11
    this.copyWithin(targetStart, start, end)
  } else if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (var i = len - 1; i >= 0; --i) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, end),
      targetStart
    )
  }

  return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
    if (val.length === 1) {
      var code = val.charCodeAt(0)
      if ((encoding === 'utf8' && code < 128) ||
          encoding === 'latin1') {
        // Fast path: If `val` fits into a single byte, use that numeric value.
        val = code
      }
    }
  } else if (typeof val === 'number') {
    val = val & 255
  } else if (typeof val === 'boolean') {
    val = Number(val)
  }

  // Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

  if (end <= start) {
    return this
  }

  start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

  if (!val) val = 0

  var i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    var bytes = Buffer.isBuffer(val)
      ? val
      : Buffer.from(val, encoding)
    var len = bytes.length
    if (len === 0) {
      throw new TypeError('The value "' + val +
        '" is invalid for argument "value"')
    }
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

  return this
}

// HELPER FUNCTIONS
// ================

var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node takes equal signs as end of the Base64 encoding
  str = str.split('=')[0]
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = str.trim().replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

  for (var i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
// the `instanceof` check but they should be treated as of that type.
// See: https://github.com/feross/buffer/issues/166
function isInstance (obj, type) {
  return obj instanceof type ||
    (obj != null && obj.constructor != null && obj.constructor.name != null &&
      obj.constructor.name === type.name)
}
function numberIsNaN (obj) {
  // For IE11 support
  return obj !== obj // eslint-disable-line no-self-compare
}

// Create lookup table for `toString('hex')`
// See: https://github.com/feross/buffer/issues/219
var hexSliceLookupTable = (function () {
  var alphabet = '0123456789abcdef'
  var table = new Array(256)
  for (var i = 0; i < 16; ++i) {
    var i16 = i * 16
    for (var j = 0; j < 16; ++j) {
      table[i16 + j] = alphabet[i] + alphabet[j]
    }
  }
  return table
})()


/***/ }),

/***/ 69735:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
/* eslint-disable no-bitwise --
 * lots of bitwise operators necessary for this */
const hashjs = __importStar(__webpack_require__(33715));
const BigNum = __webpack_require__(13550);
class Sha512 {
    constructor() {
        this.hash = hashjs.sha512();
    }
    add(bytes) {
        this.hash.update(bytes);
        return this;
    }
    addU32(i) {
        return this.add([
            (i >>> 24) & 0xff,
            (i >>> 16) & 0xff,
            (i >>> 8) & 0xff,
            i & 0xff,
        ]);
    }
    finish() {
        return this.hash.digest();
    }
    first256() {
        return this.finish().slice(0, 32);
    }
    first256BN() {
        return new BigNum(this.first256());
    }
}
exports["default"] = Sha512;
//# sourceMappingURL=Sha512.js.map

/***/ }),

/***/ 29140:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.decodeSeed = exports.deriveNodeAddress = exports.deriveAddress = exports.verify = exports.sign = exports.deriveKeypair = exports.generateSeed = void 0;
const assert = __importStar(__webpack_require__(69282));
const brorand = __webpack_require__(29931);
const hashjs = __importStar(__webpack_require__(33715));
const elliptic = __importStar(__webpack_require__(86266));
const addressCodec = __importStar(__webpack_require__(88914));
const secp256k1_1 = __webpack_require__(33342);
const utils = __importStar(__webpack_require__(50864));
const Ed25519 = elliptic.eddsa('ed25519');
const Secp256k1 = elliptic.ec('secp256k1');
const { hexToBytes } = utils;
const { bytesToHex } = utils;
function generateSeed(options = {}) {
    assert.ok(!options.entropy || options.entropy.length >= 16, 'entropy too short');
    const entropy = options.entropy ? options.entropy.slice(0, 16) : brorand(16);
    const type = options.algorithm === 'ed25519' ? 'ed25519' : 'secp256k1';
    return addressCodec.encodeSeed(Buffer.from(entropy), type);
}
exports.generateSeed = generateSeed;
function hash(message) {
    return hashjs.sha512().update(message).digest().slice(0, 32);
}
const secp256k1 = {
    deriveKeypair(entropy, options) {
        const prefix = '00';
        const privateKey = prefix + (0, secp256k1_1.derivePrivateKey)(entropy, options).toString(16, 64).toUpperCase();
        const publicKey = bytesToHex(Secp256k1.keyFromPrivate(privateKey.slice(2))
            .getPublic()
            .encodeCompressed());
        return { privateKey, publicKey };
    },
    sign(message, privateKey) {
        return bytesToHex(Secp256k1.sign(hash(message), hexToBytes(privateKey), {
            canonical: true,
        }).toDER());
    },
    verify(message, signature, publicKey) {
        return Secp256k1.verify(hash(message), signature, hexToBytes(publicKey));
    },
};
const ed25519 = {
    deriveKeypair(entropy) {
        const prefix = 'ED';
        const rawPrivateKey = hash(entropy);
        const privateKey = prefix + bytesToHex(rawPrivateKey);
        const publicKey = prefix + bytesToHex(Ed25519.keyFromSecret(rawPrivateKey).pubBytes());
        return { privateKey, publicKey };
    },
    sign(message, privateKey) {
        // caution: Ed25519.sign interprets all strings as hex, stripping
        // any non-hex characters without warning
        assert.ok(Array.isArray(message), 'message must be array of octets');
        return bytesToHex(Ed25519.sign(message, hexToBytes(privateKey).slice(1)).toBytes());
    },
    verify(message, signature, publicKey) {
        return Ed25519.verify(message, hexToBytes(signature), hexToBytes(publicKey).slice(1));
    },
};
function select(algorithm) {
    const methods = { 'ecdsa-secp256k1': secp256k1, ed25519 };
    return methods[algorithm];
}
function deriveKeypair(seed, options) {
    const decoded = addressCodec.decodeSeed(seed);
    const algorithm = decoded.type === 'ed25519' ? 'ed25519' : 'ecdsa-secp256k1';
    const method = select(algorithm);
    const keypair = method.deriveKeypair(decoded.bytes, options);
    const messageToVerify = hash('This test message should verify.');
    const signature = method.sign(messageToVerify, keypair.privateKey);
    /* istanbul ignore if */
    if (method.verify(messageToVerify, signature, keypair.publicKey) !== true) {
        throw new Error('derived keypair did not generate verifiable signature');
    }
    return keypair;
}
exports.deriveKeypair = deriveKeypair;
function getAlgorithmFromKey(key) {
    const bytes = hexToBytes(key);
    return bytes.length === 33 && bytes[0] === 0xed
        ? 'ed25519'
        : 'ecdsa-secp256k1';
}
function sign(messageHex, privateKey) {
    const algorithm = getAlgorithmFromKey(privateKey);
    return select(algorithm).sign(hexToBytes(messageHex), privateKey);
}
exports.sign = sign;
function verify(messageHex, signature, publicKey) {
    const algorithm = getAlgorithmFromKey(publicKey);
    return select(algorithm).verify(hexToBytes(messageHex), signature, publicKey);
}
exports.verify = verify;
function deriveAddressFromBytes(publicKeyBytes) {
    return addressCodec.encodeAccountID(utils.computePublicKeyHash(publicKeyBytes));
}
function deriveAddress(publicKey) {
    return deriveAddressFromBytes(Buffer.from(hexToBytes(publicKey)));
}
exports.deriveAddress = deriveAddress;
function deriveNodeAddress(publicKey) {
    const generatorBytes = addressCodec.decodeNodePublic(publicKey);
    const accountPublicBytes = (0, secp256k1_1.accountPublicFromPublicGenerator)(generatorBytes);
    return deriveAddressFromBytes(accountPublicBytes);
}
exports.deriveNodeAddress = deriveNodeAddress;
const { decodeSeed } = addressCodec;
exports.decodeSeed = decodeSeed;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 33342:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.accountPublicFromPublicGenerator = exports.derivePrivateKey = void 0;
const elliptic = __importStar(__webpack_require__(86266));
const Sha512_1 = __importDefault(__webpack_require__(69735));
const secp256k1 = elliptic.ec('secp256k1');
function deriveScalar(bytes, discrim) {
    const order = secp256k1.curve.n;
    for (let i = 0; i <= 0xffffffff; i++) {
        // We hash the bytes to find a 256 bit number, looping until we are sure it
        // is less than the order of the curve.
        const hasher = new Sha512_1.default().add(bytes);
        // If the optional discriminator index was passed in, update the hash.
        if (discrim !== undefined) {
            hasher.addU32(discrim);
        }
        hasher.addU32(i);
        const key = hasher.first256BN();
        /* istanbul ignore else */
        if (key.cmpn(0) > 0 && key.cmp(order) < 0) {
            return key;
        }
    }
    // This error is practically impossible to reach.
    // The order of the curve describes the (finite) amount of points on the curve
    // https://github.com/indutny/elliptic/blob/master/lib/elliptic/curves.js#L182
    // How often will an (essentially) random number generated by Sha512 be larger than that?
    // There's 2^32 chances (the for loop) to get a number smaller than the order,
    // and it's rare that you'll even get past the first loop iteration.
    // Note that in TypeScript we actually need the throw, otherwise the function signature would be BN | undefined
    //
    /* istanbul ignore next */
    throw new Error('impossible unicorn ;)');
}
/**
 * @param seed - Bytes.
 * @param [opts] - Object.
 * @param [opts.accountIndex=0] - The account number to generate.
 * @param [opts.validator=false] - Generate root key-pair,
 *                                              as used by validators.
 * @returns {bn.js} 256 bit scalar value.
 *
 */
function derivePrivateKey(seed, opts = {}) {
    const root = opts.validator;
    const order = secp256k1.curve.n;
    // This private generator represents the `root` private key, and is what's
    // used by validators for signing when a keypair is generated from a seed.
    const privateGen = deriveScalar(seed);
    if (root) {
        // As returned by validation_create for a given seed
        return privateGen;
    }
    const publicGen = secp256k1.g.mul(privateGen);
    // A seed can generate many keypairs as a function of the seed and a uint32.
    // Almost everyone just uses the first account, `0`.
    const accountIndex = opts.accountIndex || 0;
    return deriveScalar(publicGen.encodeCompressed(), accountIndex)
        .add(privateGen)
        .mod(order);
}
exports.derivePrivateKey = derivePrivateKey;
function accountPublicFromPublicGenerator(publicGenBytes) {
    const rootPubPoint = secp256k1.curve.decodePoint(publicGenBytes);
    const scalar = deriveScalar(publicGenBytes, 0);
    const point = secp256k1.g.mul(scalar);
    const offset = rootPubPoint.add(point);
    return offset.encodeCompressed();
}
exports.accountPublicFromPublicGenerator = accountPublicFromPublicGenerator;
//# sourceMappingURL=secp256k1.js.map

/***/ }),

/***/ 50864:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.computePublicKeyHash = exports.hexToBytes = exports.bytesToHex = void 0;
const assert = __importStar(__webpack_require__(69282));
const hashjs = __importStar(__webpack_require__(33715));
const BN = __webpack_require__(13550);
function bytesToHex(a) {
    return Array.from(a, (byteValue) => {
        const hex = byteValue.toString(16).toUpperCase();
        return hex.length > 1 ? hex : `0${hex}`;
    }).join('');
}
exports.bytesToHex = bytesToHex;
function hexToBytes(a) {
    assert.ok(a.length % 2 === 0);
    // Special-case length zero to return [].
    // BN.toArray intentionally returns [0] rather than [] for length zero,
    // which may make sense for BigNum data, but not for byte strings.
    return a.length === 0 ? [] : new BN(a, 16).toArray(null, a.length / 2);
}
exports.hexToBytes = hexToBytes;
function computePublicKeyHash(publicKeyBytes) {
    const hash256 = hashjs.sha256().update(publicKeyBytes).digest();
    const hash160 = hashjs.ripemd160().update(hash256).digest();
    return Buffer.from(hash160);
}
exports.computePublicKeyHash = computePublicKeyHash;
//# sourceMappingURL=utils.js.map

/***/ }),

/***/ 89509:
/***/ ((module, exports, __webpack_require__) => {

/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
/* eslint-disable node/no-deprecated-api */
var buffer = __webpack_require__(48764)
var Buffer = buffer.Buffer

// alternative to using Object.keys for old browsers
function copyProps (src, dst) {
  for (var key in src) {
    dst[key] = src[key]
  }
}
if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
  module.exports = buffer
} else {
  // Copy properties from require('buffer')
  copyProps(buffer, exports)
  exports.Buffer = SafeBuffer
}

function SafeBuffer (arg, encodingOrOffset, length) {
  return Buffer(arg, encodingOrOffset, length)
}

SafeBuffer.prototype = Object.create(Buffer.prototype)

// Copy static methods from Buffer
copyProps(Buffer, SafeBuffer)

SafeBuffer.from = function (arg, encodingOrOffset, length) {
  if (typeof arg === 'number') {
    throw new TypeError('Argument must not be a number')
  }
  return Buffer(arg, encodingOrOffset, length)
}

SafeBuffer.alloc = function (size, fill, encoding) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  var buf = Buffer(size)
  if (fill !== undefined) {
    if (typeof encoding === 'string') {
      buf.fill(fill, encoding)
    } else {
      buf.fill(fill)
    }
  } else {
    buf.fill(0)
  }
  return buf
}

SafeBuffer.allocUnsafe = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return Buffer(size)
}

SafeBuffer.allocUnsafeSlow = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return buffer.SlowBuffer(size)
}


/***/ }),

/***/ 2399:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var process = __webpack_require__(34155);
/* eslint-disable node/no-deprecated-api */



var buffer = __webpack_require__(48764)
var Buffer = buffer.Buffer

var safer = {}

var key

for (key in buffer) {
  if (!buffer.hasOwnProperty(key)) continue
  if (key === 'SlowBuffer' || key === 'Buffer') continue
  safer[key] = buffer[key]
}

var Safer = safer.Buffer = {}
for (key in Buffer) {
  if (!Buffer.hasOwnProperty(key)) continue
  if (key === 'allocUnsafe' || key === 'allocUnsafeSlow') continue
  Safer[key] = Buffer[key]
}

safer.Buffer.prototype = Buffer.prototype

if (!Safer.from || Safer.from === Uint8Array.from) {
  Safer.from = function (value, encodingOrOffset, length) {
    if (typeof value === 'number') {
      throw new TypeError('The "value" argument must not be of type number. Received type ' + typeof value)
    }
    if (value && typeof value.length === 'undefined') {
      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type ' + typeof value)
    }
    return Buffer(value, encodingOrOffset, length)
  }
}

if (!Safer.alloc) {
  Safer.alloc = function (size, fill, encoding) {
    if (typeof size !== 'number') {
      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
    }
    if (size < 0 || size >= 2 * (1 << 30)) {
      throw new RangeError('The value "' + size + '" is invalid for option "size"')
    }
    var buf = Buffer(size)
    if (!fill || fill.length === 0) {
      buf.fill(0)
    } else if (typeof encoding === 'string') {
      buf.fill(fill, encoding)
    } else {
      buf.fill(fill)
    }
    return buf
  }
}

if (!safer.kStringMaxLength) {
  try {
    safer.kStringMaxLength = process.binding('buffer').kStringMaxLength
  } catch (e) {
    // we can't determine kStringMaxLength in environments where process.binding
    // is unsupported, so let's not set it
  }
}

if (!safer.constants) {
  safer.constants = {
    MAX_LENGTH: safer.kMaxLength
  }
  if (safer.kStringMaxLength) {
    safer.constants.MAX_STRING_LENGTH = safer.kStringMaxLength
  }
}

module.exports = safer


/***/ }),

/***/ 24189:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var Buffer = (__webpack_require__(89509).Buffer)

// prototype class for hash functions
function Hash (blockSize, finalSize) {
  this._block = Buffer.alloc(blockSize)
  this._finalSize = finalSize
  this._blockSize = blockSize
  this._len = 0
}

Hash.prototype.update = function (data, enc) {
  if (typeof data === 'string') {
    enc = enc || 'utf8'
    data = Buffer.from(data, enc)
  }

  var block = this._block
  var blockSize = this._blockSize
  var length = data.length
  var accum = this._len

  for (var offset = 0; offset < length;) {
    var assigned = accum % blockSize
    var remainder = Math.min(length - offset, blockSize - assigned)

    for (var i = 0; i < remainder; i++) {
      block[assigned + i] = data[offset + i]
    }

    accum += remainder
    offset += remainder

    if ((accum % blockSize) === 0) {
      this._update(block)
    }
  }

  this._len += length
  return this
}

Hash.prototype.digest = function (enc) {
  var rem = this._len % this._blockSize

  this._block[rem] = 0x80

  // zero (rem + 1) trailing bits, where (rem + 1) is the smallest
  // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize
  this._block.fill(0, rem + 1)

  if (rem >= this._finalSize) {
    this._update(this._block)
    this._block.fill(0)
  }

  var bits = this._len * 8

  // uint32
  if (bits <= 0xffffffff) {
    this._block.writeUInt32BE(bits, this._blockSize - 4)

  // uint64
  } else {
    var lowBits = (bits & 0xffffffff) >>> 0
    var highBits = (bits - lowBits) / 0x100000000

    this._block.writeUInt32BE(highBits, this._blockSize - 8)
    this._block.writeUInt32BE(lowBits, this._blockSize - 4)
  }

  this._update(this._block)
  var hash = this._hash()

  return enc ? hash.toString(enc) : hash
}

Hash.prototype._update = function () {
  throw new Error('_update must be implemented by subclass')
}

module.exports = Hash


/***/ }),

/***/ 89072:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var exports = module.exports = function SHA (algorithm) {
  algorithm = algorithm.toLowerCase()

  var Algorithm = exports[algorithm]
  if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')

  return new Algorithm()
}

exports.sha = __webpack_require__(74448)
exports.sha1 = __webpack_require__(18336)
exports.sha224 = __webpack_require__(48432)
exports.sha256 = __webpack_require__(67499)
exports.sha384 = __webpack_require__(51686)
exports.sha512 = __webpack_require__(87816)


/***/ }),

/***/ 74448:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
 * in FIPS PUB 180-1
 * This source code is derived from sha1.js of the same repository.
 * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
 * operation was added.
 */

var inherits = __webpack_require__(35717)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var K = [
  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
]

var W = new Array(80)

function Sha () {
  this.init()
  this._w = W

  Hash.call(this, 64, 56)
}

inherits(Sha, Hash)

Sha.prototype.init = function () {
  this._a = 0x67452301
  this._b = 0xefcdab89
  this._c = 0x98badcfe
  this._d = 0x10325476
  this._e = 0xc3d2e1f0

  return this
}

function rotl5 (num) {
  return (num << 5) | (num >>> 27)
}

function rotl30 (num) {
  return (num << 30) | (num >>> 2)
}

function ft (s, b, c, d) {
  if (s === 0) return (b & c) | ((~b) & d)
  if (s === 2) return (b & c) | (b & d) | (c & d)
  return b ^ c ^ d
}

Sha.prototype._update = function (M) {
  var W = this._w

  var a = this._a | 0
  var b = this._b | 0
  var c = this._c | 0
  var d = this._d | 0
  var e = this._e | 0

  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
  for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]

  for (var j = 0; j < 80; ++j) {
    var s = ~~(j / 20)
    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0

    e = d
    d = c
    c = rotl30(b)
    b = a
    a = t
  }

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
}

Sha.prototype._hash = function () {
  var H = Buffer.allocUnsafe(20)

  H.writeInt32BE(this._a | 0, 0)
  H.writeInt32BE(this._b | 0, 4)
  H.writeInt32BE(this._c | 0, 8)
  H.writeInt32BE(this._d | 0, 12)
  H.writeInt32BE(this._e | 0, 16)

  return H
}

module.exports = Sha


/***/ }),

/***/ 18336:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

var inherits = __webpack_require__(35717)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var K = [
  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
]

var W = new Array(80)

function Sha1 () {
  this.init()
  this._w = W

  Hash.call(this, 64, 56)
}

inherits(Sha1, Hash)

Sha1.prototype.init = function () {
  this._a = 0x67452301
  this._b = 0xefcdab89
  this._c = 0x98badcfe
  this._d = 0x10325476
  this._e = 0xc3d2e1f0

  return this
}

function rotl1 (num) {
  return (num << 1) | (num >>> 31)
}

function rotl5 (num) {
  return (num << 5) | (num >>> 27)
}

function rotl30 (num) {
  return (num << 30) | (num >>> 2)
}

function ft (s, b, c, d) {
  if (s === 0) return (b & c) | ((~b) & d)
  if (s === 2) return (b & c) | (b & d) | (c & d)
  return b ^ c ^ d
}

Sha1.prototype._update = function (M) {
  var W = this._w

  var a = this._a | 0
  var b = this._b | 0
  var c = this._c | 0
  var d = this._d | 0
  var e = this._e | 0

  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
  for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16])

  for (var j = 0; j < 80; ++j) {
    var s = ~~(j / 20)
    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0

    e = d
    d = c
    c = rotl30(b)
    b = a
    a = t
  }

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
}

Sha1.prototype._hash = function () {
  var H = Buffer.allocUnsafe(20)

  H.writeInt32BE(this._a | 0, 0)
  H.writeInt32BE(this._b | 0, 4)
  H.writeInt32BE(this._c | 0, 8)
  H.writeInt32BE(this._d | 0, 12)
  H.writeInt32BE(this._e | 0, 16)

  return H
}

module.exports = Sha1


/***/ }),

/***/ 48432:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/**
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 *
 */

var inherits = __webpack_require__(35717)
var Sha256 = __webpack_require__(67499)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var W = new Array(64)

function Sha224 () {
  this.init()

  this._w = W // new Array(64)

  Hash.call(this, 64, 56)
}

inherits(Sha224, Sha256)

Sha224.prototype.init = function () {
  this._a = 0xc1059ed8
  this._b = 0x367cd507
  this._c = 0x3070dd17
  this._d = 0xf70e5939
  this._e = 0xffc00b31
  this._f = 0x68581511
  this._g = 0x64f98fa7
  this._h = 0xbefa4fa4

  return this
}

Sha224.prototype._hash = function () {
  var H = Buffer.allocUnsafe(28)

  H.writeInt32BE(this._a, 0)
  H.writeInt32BE(this._b, 4)
  H.writeInt32BE(this._c, 8)
  H.writeInt32BE(this._d, 12)
  H.writeInt32BE(this._e, 16)
  H.writeInt32BE(this._f, 20)
  H.writeInt32BE(this._g, 24)

  return H
}

module.exports = Sha224


/***/ }),

/***/ 67499:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/**
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 *
 */

var inherits = __webpack_require__(35717)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var K = [
  0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
  0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
  0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
  0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
  0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
  0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
  0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
  0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
  0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
  0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
  0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
  0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
  0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
  0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
  0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
  0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
]

var W = new Array(64)

function Sha256 () {
  this.init()

  this._w = W // new Array(64)

  Hash.call(this, 64, 56)
}

inherits(Sha256, Hash)

Sha256.prototype.init = function () {
  this._a = 0x6a09e667
  this._b = 0xbb67ae85
  this._c = 0x3c6ef372
  this._d = 0xa54ff53a
  this._e = 0x510e527f
  this._f = 0x9b05688c
  this._g = 0x1f83d9ab
  this._h = 0x5be0cd19

  return this
}

function ch (x, y, z) {
  return z ^ (x & (y ^ z))
}

function maj (x, y, z) {
  return (x & y) | (z & (x | y))
}

function sigma0 (x) {
  return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
}

function sigma1 (x) {
  return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
}

function gamma0 (x) {
  return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
}

function gamma1 (x) {
  return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
}

Sha256.prototype._update = function (M) {
  var W = this._w

  var a = this._a | 0
  var b = this._b | 0
  var c = this._c | 0
  var d = this._d | 0
  var e = this._e | 0
  var f = this._f | 0
  var g = this._g | 0
  var h = this._h | 0

  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
  for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0

  for (var j = 0; j < 64; ++j) {
    var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + W[j]) | 0
    var T2 = (sigma0(a) + maj(a, b, c)) | 0

    h = g
    g = f
    f = e
    e = (d + T1) | 0
    d = c
    c = b
    b = a
    a = (T1 + T2) | 0
  }

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
  this._f = (f + this._f) | 0
  this._g = (g + this._g) | 0
  this._h = (h + this._h) | 0
}

Sha256.prototype._hash = function () {
  var H = Buffer.allocUnsafe(32)

  H.writeInt32BE(this._a, 0)
  H.writeInt32BE(this._b, 4)
  H.writeInt32BE(this._c, 8)
  H.writeInt32BE(this._d, 12)
  H.writeInt32BE(this._e, 16)
  H.writeInt32BE(this._f, 20)
  H.writeInt32BE(this._g, 24)
  H.writeInt32BE(this._h, 28)

  return H
}

module.exports = Sha256


/***/ }),

/***/ 51686:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var inherits = __webpack_require__(35717)
var SHA512 = __webpack_require__(87816)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var W = new Array(160)

function Sha384 () {
  this.init()
  this._w = W

  Hash.call(this, 128, 112)
}

inherits(Sha384, SHA512)

Sha384.prototype.init = function () {
  this._ah = 0xcbbb9d5d
  this._bh = 0x629a292a
  this._ch = 0x9159015a
  this._dh = 0x152fecd8
  this._eh = 0x67332667
  this._fh = 0x8eb44a87
  this._gh = 0xdb0c2e0d
  this._hh = 0x47b5481d

  this._al = 0xc1059ed8
  this._bl = 0x367cd507
  this._cl = 0x3070dd17
  this._dl = 0xf70e5939
  this._el = 0xffc00b31
  this._fl = 0x68581511
  this._gl = 0x64f98fa7
  this._hl = 0xbefa4fa4

  return this
}

Sha384.prototype._hash = function () {
  var H = Buffer.allocUnsafe(48)

  function writeInt64BE (h, l, offset) {
    H.writeInt32BE(h, offset)
    H.writeInt32BE(l, offset + 4)
  }

  writeInt64BE(this._ah, this._al, 0)
  writeInt64BE(this._bh, this._bl, 8)
  writeInt64BE(this._ch, this._cl, 16)
  writeInt64BE(this._dh, this._dl, 24)
  writeInt64BE(this._eh, this._el, 32)
  writeInt64BE(this._fh, this._fl, 40)

  return H
}

module.exports = Sha384


/***/ }),

/***/ 87816:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var inherits = __webpack_require__(35717)
var Hash = __webpack_require__(24189)
var Buffer = (__webpack_require__(89509).Buffer)

var K = [
  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
]

var W = new Array(160)

function Sha512 () {
  this.init()
  this._w = W

  Hash.call(this, 128, 112)
}

inherits(Sha512, Hash)

Sha512.prototype.init = function () {
  this._ah = 0x6a09e667
  this._bh = 0xbb67ae85
  this._ch = 0x3c6ef372
  this._dh = 0xa54ff53a
  this._eh = 0x510e527f
  this._fh = 0x9b05688c
  this._gh = 0x1f83d9ab
  this._hh = 0x5be0cd19

  this._al = 0xf3bcc908
  this._bl = 0x84caa73b
  this._cl = 0xfe94f82b
  this._dl = 0x5f1d36f1
  this._el = 0xade682d1
  this._fl = 0x2b3e6c1f
  this._gl = 0xfb41bd6b
  this._hl = 0x137e2179

  return this
}

function Ch (x, y, z) {
  return z ^ (x & (y ^ z))
}

function maj (x, y, z) {
  return (x & y) | (z & (x | y))
}

function sigma0 (x, xl) {
  return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
}

function sigma1 (x, xl) {
  return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
}

function Gamma0 (x, xl) {
  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
}

function Gamma0l (x, xl) {
  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
}

function Gamma1 (x, xl) {
  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
}

function Gamma1l (x, xl) {
  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
}

function getCarry (a, b) {
  return (a >>> 0) < (b >>> 0) ? 1 : 0
}

Sha512.prototype._update = function (M) {
  var W = this._w

  var ah = this._ah | 0
  var bh = this._bh | 0
  var ch = this._ch | 0
  var dh = this._dh | 0
  var eh = this._eh | 0
  var fh = this._fh | 0
  var gh = this._gh | 0
  var hh = this._hh | 0

  var al = this._al | 0
  var bl = this._bl | 0
  var cl = this._cl | 0
  var dl = this._dl | 0
  var el = this._el | 0
  var fl = this._fl | 0
  var gl = this._gl | 0
  var hl = this._hl | 0

  for (var i = 0; i < 32; i += 2) {
    W[i] = M.readInt32BE(i * 4)
    W[i + 1] = M.readInt32BE(i * 4 + 4)
  }
  for (; i < 160; i += 2) {
    var xh = W[i - 15 * 2]
    var xl = W[i - 15 * 2 + 1]
    var gamma0 = Gamma0(xh, xl)
    var gamma0l = Gamma0l(xl, xh)

    xh = W[i - 2 * 2]
    xl = W[i - 2 * 2 + 1]
    var gamma1 = Gamma1(xh, xl)
    var gamma1l = Gamma1l(xl, xh)

    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
    var Wi7h = W[i - 7 * 2]
    var Wi7l = W[i - 7 * 2 + 1]

    var Wi16h = W[i - 16 * 2]
    var Wi16l = W[i - 16 * 2 + 1]

    var Wil = (gamma0l + Wi7l) | 0
    var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0
    Wil = (Wil + gamma1l) | 0
    Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0
    Wil = (Wil + Wi16l) | 0
    Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0

    W[i] = Wih
    W[i + 1] = Wil
  }

  for (var j = 0; j < 160; j += 2) {
    Wih = W[j]
    Wil = W[j + 1]

    var majh = maj(ah, bh, ch)
    var majl = maj(al, bl, cl)

    var sigma0h = sigma0(ah, al)
    var sigma0l = sigma0(al, ah)
    var sigma1h = sigma1(eh, el)
    var sigma1l = sigma1(el, eh)

    // t1 = h + sigma1 + ch + K[j] + W[j]
    var Kih = K[j]
    var Kil = K[j + 1]

    var chh = Ch(eh, fh, gh)
    var chl = Ch(el, fl, gl)

    var t1l = (hl + sigma1l) | 0
    var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0
    t1l = (t1l + chl) | 0
    t1h = (t1h + chh + getCarry(t1l, chl)) | 0
    t1l = (t1l + Kil) | 0
    t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0
    t1l = (t1l + Wil) | 0
    t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0

    // t2 = sigma0 + maj
    var t2l = (sigma0l + majl) | 0
    var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0

    hh = gh
    hl = gl
    gh = fh
    gl = fl
    fh = eh
    fl = el
    el = (dl + t1l) | 0
    eh = (dh + t1h + getCarry(el, dl)) | 0
    dh = ch
    dl = cl
    ch = bh
    cl = bl
    bh = ah
    bl = al
    al = (t1l + t2l) | 0
    ah = (t1h + t2h + getCarry(al, t1l)) | 0
  }

  this._al = (this._al + al) | 0
  this._bl = (this._bl + bl) | 0
  this._cl = (this._cl + cl) | 0
  this._dl = (this._dl + dl) | 0
  this._el = (this._el + el) | 0
  this._fl = (this._fl + fl) | 0
  this._gl = (this._gl + gl) | 0
  this._hl = (this._hl + hl) | 0

  this._ah = (this._ah + ah + getCarry(this._al, al)) | 0
  this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0
  this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0
  this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0
  this._eh = (this._eh + eh + getCarry(this._el, el)) | 0
  this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0
  this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0
  this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0
}

Sha512.prototype._hash = function () {
  var H = Buffer.allocUnsafe(64)

  function writeInt64BE (h, l, offset) {
    H.writeInt32BE(h, offset)
    H.writeInt32BE(l, offset + 4)
  }

  writeInt64BE(this._ah, this._al, 0)
  writeInt64BE(this._bh, this._bl, 8)
  writeInt64BE(this._ch, this._cl, 16)
  writeInt64BE(this._dh, this._dl, 24)
  writeInt64BE(this._eh, this._el, 32)
  writeInt64BE(this._fh, this._fl, 40)
  writeInt64BE(this._gh, this._gl, 48)
  writeInt64BE(this._hh, this._hl, 56)

  return H
}

module.exports = Sha512


/***/ }),

/***/ 42830:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

module.exports = Stream;

var EE = (__webpack_require__(17187).EventEmitter);
var inherits = __webpack_require__(35717);

inherits(Stream, EE);
Stream.Readable = __webpack_require__(79481);
Stream.Writable = __webpack_require__(64229);
Stream.Duplex = __webpack_require__(56753);
Stream.Transform = __webpack_require__(74605);
Stream.PassThrough = __webpack_require__(82725);
Stream.finished = __webpack_require__(8610)
Stream.pipeline = __webpack_require__(59946)

// Backwards-compat with node 0.4.x
Stream.Stream = Stream;



// old-style streams.  Note that the pipe method (the only relevant
// part of this class) is overridden in the Readable class.

function Stream() {
  EE.call(this);
}

Stream.prototype.pipe = function(dest, options) {
  var source = this;

  function ondata(chunk) {
    if (dest.writable) {
      if (false === dest.write(chunk) && source.pause) {
        source.pause();
      }
    }
  }

  source.on('data', ondata);

  function ondrain() {
    if (source.readable && source.resume) {
      source.resume();
    }
  }

  dest.on('drain', ondrain);

  // If the 'end' option is not supplied, dest.end() will be called when
  // source gets the 'end' or 'close' events.  Only dest.end() once.
  if (!dest._isStdio && (!options || options.end !== false)) {
    source.on('end', onend);
    source.on('close', onclose);
  }

  var didOnEnd = false;
  function onend() {
    if (didOnEnd) return;
    didOnEnd = true;

    dest.end();
  }


  function onclose() {
    if (didOnEnd) return;
    didOnEnd = true;

    if (typeof dest.destroy === 'function') dest.destroy();
  }

  // don't leave dangling pipes when there are errors.
  function onerror(er) {
    cleanup();
    if (EE.listenerCount(this, 'error') === 0) {
      throw er; // Unhandled stream error in pipe.
    }
  }

  source.on('error', onerror);
  dest.on('error', onerror);

  // remove all the event listeners that were added.
  function cleanup() {
    source.removeListener('data', ondata);
    dest.removeListener('drain', ondrain);

    source.removeListener('end', onend);
    source.removeListener('close', onclose);

    source.removeListener('error', onerror);
    dest.removeListener('error', onerror);

    source.removeListener('end', cleanup);
    source.removeListener('close', cleanup);

    dest.removeListener('close', cleanup);
  }

  source.on('end', cleanup);
  source.on('close', cleanup);

  dest.on('close', cleanup);

  dest.emit('pipe', source);

  // Allow for unix-like usage: A.pipe(B).pipe(C)
  return dest;
};


/***/ }),

/***/ 8501:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

var ClientRequest = __webpack_require__(11989)
var response = __webpack_require__(55676)
var extend = __webpack_require__(47529)
var statusCodes = __webpack_require__(50584)
var url = __webpack_require__(8575)

var http = exports

http.request = function (opts, cb) {
	if (typeof opts === 'string')
		opts = url.parse(opts)
	else
		opts = extend(opts)

	// Normally, the page is loaded from http or https, so not specifying a protocol
	// will result in a (valid) protocol-relative url. However, this won't work if
	// the protocol is something else, like 'file:'
	var defaultProtocol = __webpack_require__.g.location.protocol.search(/^https?:$/) === -1 ? 'http:' : ''

	var protocol = opts.protocol || defaultProtocol
	var host = opts.hostname || opts.host
	var port = opts.port
	var path = opts.path || '/'

	// Necessary for IPv6 addresses
	if (host && host.indexOf(':') !== -1)
		host = '[' + host + ']'

	// This may be a relative url. The browser should always be able to interpret it correctly.
	opts.url = (host ? (protocol + '//' + host) : '') + (port ? ':' + port : '') + path
	opts.method = (opts.method || 'GET').toUpperCase()
	opts.headers = opts.headers || {}

	// Also valid opts.auth, opts.mode

	var req = new ClientRequest(opts)
	if (cb)
		req.on('response', cb)
	return req
}

http.get = function get (opts, cb) {
	var req = http.request(opts, cb)
	req.end()
	return req
}

http.ClientRequest = ClientRequest
http.IncomingMessage = response.IncomingMessage

http.Agent = function () {}
http.Agent.defaultMaxSockets = 4

http.globalAgent = new http.Agent()

http.STATUS_CODES = statusCodes

http.METHODS = [
	'CHECKOUT',
	'CONNECT',
	'COPY',
	'DELETE',
	'GET',
	'HEAD',
	'LOCK',
	'M-SEARCH',
	'MERGE',
	'MKACTIVITY',
	'MKCOL',
	'MOVE',
	'NOTIFY',
	'OPTIONS',
	'PATCH',
	'POST',
	'PROPFIND',
	'PROPPATCH',
	'PURGE',
	'PUT',
	'REPORT',
	'SEARCH',
	'SUBSCRIBE',
	'TRACE',
	'UNLOCK',
	'UNSUBSCRIBE'
]

/***/ }),

/***/ 8725:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

exports.fetch = isFunction(__webpack_require__.g.fetch) && isFunction(__webpack_require__.g.ReadableStream)

exports.writableStream = isFunction(__webpack_require__.g.WritableStream)

exports.abortController = isFunction(__webpack_require__.g.AbortController)

// The xhr request to example.com may violate some restrictive CSP configurations,
// so if we're running in a browser that supports `fetch`, avoid calling getXHR()
// and assume support for certain features below.
var xhr
function getXHR () {
	// Cache the xhr value
	if (xhr !== undefined) return xhr

	if (__webpack_require__.g.XMLHttpRequest) {
		xhr = new __webpack_require__.g.XMLHttpRequest()
		// If XDomainRequest is available (ie only, where xhr might not work
		// cross domain), use the page location. Otherwise use example.com
		// Note: this doesn't actually make an http request.
		try {
			xhr.open('GET', __webpack_require__.g.XDomainRequest ? '/' : 'https://example.com')
		} catch(e) {
			xhr = null
		}
	} else {
		// Service workers don't have XHR
		xhr = null
	}
	return xhr
}

function checkTypeSupport (type) {
	var xhr = getXHR()
	if (!xhr) return false
	try {
		xhr.responseType = type
		return xhr.responseType === type
	} catch (e) {}
	return false
}

// If fetch is supported, then arraybuffer will be supported too. Skip calling
// checkTypeSupport(), since that calls getXHR().
exports.arraybuffer = exports.fetch || checkTypeSupport('arraybuffer')

// These next two tests unavoidably show warnings in Chrome. Since fetch will always
// be used if it's available, just return false for these to avoid the warnings.
exports.msstream = !exports.fetch && checkTypeSupport('ms-stream')
exports.mozchunkedarraybuffer = !exports.fetch && checkTypeSupport('moz-chunked-arraybuffer')

// If fetch is supported, then overrideMimeType will be supported too. Skip calling
// getXHR().
exports.overrideMimeType = exports.fetch || (getXHR() ? isFunction(getXHR().overrideMimeType) : false)

function isFunction (value) {
	return typeof value === 'function'
}

xhr = null // Help gc


/***/ }),

/***/ 11989:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
/* provided dependency */ var process = __webpack_require__(34155);
var capability = __webpack_require__(8725)
var inherits = __webpack_require__(35717)
var response = __webpack_require__(55676)
var stream = __webpack_require__(88473)

var IncomingMessage = response.IncomingMessage
var rStates = response.readyStates

function decideMode (preferBinary, useFetch) {
	if (capability.fetch && useFetch) {
		return 'fetch'
	} else if (capability.mozchunkedarraybuffer) {
		return 'moz-chunked-arraybuffer'
	} else if (capability.msstream) {
		return 'ms-stream'
	} else if (capability.arraybuffer && preferBinary) {
		return 'arraybuffer'
	} else {
		return 'text'
	}
}

var ClientRequest = module.exports = function (opts) {
	var self = this
	stream.Writable.call(self)

	self._opts = opts
	self._body = []
	self._headers = {}
	if (opts.auth)
		self.setHeader('Authorization', 'Basic ' + Buffer.from(opts.auth).toString('base64'))
	Object.keys(opts.headers).forEach(function (name) {
		self.setHeader(name, opts.headers[name])
	})

	var preferBinary
	var useFetch = true
	if (opts.mode === 'disable-fetch' || ('requestTimeout' in opts && !capability.abortController)) {
		// If the use of XHR should be preferred. Not typically needed.
		useFetch = false
		preferBinary = true
	} else if (opts.mode === 'prefer-streaming') {
		// If streaming is a high priority but binary compatibility and
		// the accuracy of the 'content-type' header aren't
		preferBinary = false
	} else if (opts.mode === 'allow-wrong-content-type') {
		// If streaming is more important than preserving the 'content-type' header
		preferBinary = !capability.overrideMimeType
	} else if (!opts.mode || opts.mode === 'default' || opts.mode === 'prefer-fast') {
		// Use binary if text streaming may corrupt data or the content-type header, or for speed
		preferBinary = true
	} else {
		throw new Error('Invalid value for opts.mode')
	}
	self._mode = decideMode(preferBinary, useFetch)
	self._fetchTimer = null
	self._socketTimeout = null
	self._socketTimer = null

	self.on('finish', function () {
		self._onFinish()
	})
}

inherits(ClientRequest, stream.Writable)

ClientRequest.prototype.setHeader = function (name, value) {
	var self = this
	var lowerName = name.toLowerCase()
	// This check is not necessary, but it prevents warnings from browsers about setting unsafe
	// headers. To be honest I'm not entirely sure hiding these warnings is a good thing, but
	// http-browserify did it, so I will too.
	if (unsafeHeaders.indexOf(lowerName) !== -1)
		return

	self._headers[lowerName] = {
		name: name,
		value: value
	}
}

ClientRequest.prototype.getHeader = function (name) {
	var header = this._headers[name.toLowerCase()]
	if (header)
		return header.value
	return null
}

ClientRequest.prototype.removeHeader = function (name) {
	var self = this
	delete self._headers[name.toLowerCase()]
}

ClientRequest.prototype._onFinish = function () {
	var self = this

	if (self._destroyed)
		return
	var opts = self._opts

	if ('timeout' in opts && opts.timeout !== 0) {
		self.setTimeout(opts.timeout)
	}

	var headersObj = self._headers
	var body = null
	if (opts.method !== 'GET' && opts.method !== 'HEAD') {
        body = new Blob(self._body, {
            type: (headersObj['content-type'] || {}).value || ''
        });
    }

	// create flattened list of headers
	var headersList = []
	Object.keys(headersObj).forEach(function (keyName) {
		var name = headersObj[keyName].name
		var value = headersObj[keyName].value
		if (Array.isArray(value)) {
			value.forEach(function (v) {
				headersList.push([name, v])
			})
		} else {
			headersList.push([name, value])
		}
	})

	if (self._mode === 'fetch') {
		var signal = null
		if (capability.abortController) {
			var controller = new AbortController()
			signal = controller.signal
			self._fetchAbortController = controller

			if ('requestTimeout' in opts && opts.requestTimeout !== 0) {
				self._fetchTimer = __webpack_require__.g.setTimeout(function () {
					self.emit('requestTimeout')
					if (self._fetchAbortController)
						self._fetchAbortController.abort()
				}, opts.requestTimeout)
			}
		}

		__webpack_require__.g.fetch(self._opts.url, {
			method: self._opts.method,
			headers: headersList,
			body: body || undefined,
			mode: 'cors',
			credentials: opts.withCredentials ? 'include' : 'same-origin',
			signal: signal
		}).then(function (response) {
			self._fetchResponse = response
			self._resetTimers(false)
			self._connect()
		}, function (reason) {
			self._resetTimers(true)
			if (!self._destroyed)
				self.emit('error', reason)
		})
	} else {
		var xhr = self._xhr = new __webpack_require__.g.XMLHttpRequest()
		try {
			xhr.open(self._opts.method, self._opts.url, true)
		} catch (err) {
			process.nextTick(function () {
				self.emit('error', err)
			})
			return
		}

		// Can't set responseType on really old browsers
		if ('responseType' in xhr)
			xhr.responseType = self._mode

		if ('withCredentials' in xhr)
			xhr.withCredentials = !!opts.withCredentials

		if (self._mode === 'text' && 'overrideMimeType' in xhr)
			xhr.overrideMimeType('text/plain; charset=x-user-defined')

		if ('requestTimeout' in opts) {
			xhr.timeout = opts.requestTimeout
			xhr.ontimeout = function () {
				self.emit('requestTimeout')
			}
		}

		headersList.forEach(function (header) {
			xhr.setRequestHeader(header[0], header[1])
		})

		self._response = null
		xhr.onreadystatechange = function () {
			switch (xhr.readyState) {
				case rStates.LOADING:
				case rStates.DONE:
					self._onXHRProgress()
					break
			}
		}
		// Necessary for streaming in Firefox, since xhr.response is ONLY defined
		// in onprogress, not in onreadystatechange with xhr.readyState = 3
		if (self._mode === 'moz-chunked-arraybuffer') {
			xhr.onprogress = function () {
				self._onXHRProgress()
			}
		}

		xhr.onerror = function () {
			if (self._destroyed)
				return
			self._resetTimers(true)
			self.emit('error', new Error('XHR error'))
		}

		try {
			xhr.send(body)
		} catch (err) {
			process.nextTick(function () {
				self.emit('error', err)
			})
			return
		}
	}
}

/**
 * Checks if xhr.status is readable and non-zero, indicating no error.
 * Even though the spec says it should be available in readyState 3,
 * accessing it throws an exception in IE8
 */
function statusValid (xhr) {
	try {
		var status = xhr.status
		return (status !== null && status !== 0)
	} catch (e) {
		return false
	}
}

ClientRequest.prototype._onXHRProgress = function () {
	var self = this

	self._resetTimers(false)

	if (!statusValid(self._xhr) || self._destroyed)
		return

	if (!self._response)
		self._connect()

	self._response._onXHRProgress(self._resetTimers.bind(self))
}

ClientRequest.prototype._connect = function () {
	var self = this

	if (self._destroyed)
		return

	self._response = new IncomingMessage(self._xhr, self._fetchResponse, self._mode, self._resetTimers.bind(self))
	self._response.on('error', function(err) {
		self.emit('error', err)
	})

	self.emit('response', self._response)
}

ClientRequest.prototype._write = function (chunk, encoding, cb) {
	var self = this

	self._body.push(chunk)
	cb()
}

ClientRequest.prototype._resetTimers = function (done) {
	var self = this

	__webpack_require__.g.clearTimeout(self._socketTimer)
	self._socketTimer = null

	if (done) {
		__webpack_require__.g.clearTimeout(self._fetchTimer)
		self._fetchTimer = null
	} else if (self._socketTimeout) {
		self._socketTimer = __webpack_require__.g.setTimeout(function () {
			self.emit('timeout')
		}, self._socketTimeout)
	}
}

ClientRequest.prototype.abort = ClientRequest.prototype.destroy = function (err) {
	var self = this
	self._destroyed = true
	self._resetTimers(true)
	if (self._response)
		self._response._destroyed = true
	if (self._xhr)
		self._xhr.abort()
	else if (self._fetchAbortController)
		self._fetchAbortController.abort()

	if (err)
		self.emit('error', err)
}

ClientRequest.prototype.end = function (data, encoding, cb) {
	var self = this
	if (typeof data === 'function') {
		cb = data
		data = undefined
	}

	stream.Writable.prototype.end.call(self, data, encoding, cb)
}

ClientRequest.prototype.setTimeout = function (timeout, cb) {
	var self = this

	if (cb)
		self.once('timeout', cb)

	self._socketTimeout = timeout
	self._resetTimers(false)
}

ClientRequest.prototype.flushHeaders = function () {}
ClientRequest.prototype.setNoDelay = function () {}
ClientRequest.prototype.setSocketKeepAlive = function () {}

// Taken from http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader%28%29-method
var unsafeHeaders = [
	'accept-charset',
	'accept-encoding',
	'access-control-request-headers',
	'access-control-request-method',
	'connection',
	'content-length',
	'cookie',
	'cookie2',
	'date',
	'dnt',
	'expect',
	'host',
	'keep-alive',
	'origin',
	'referer',
	'te',
	'trailer',
	'transfer-encoding',
	'upgrade',
	'via'
]


/***/ }),

/***/ 55676:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

/* provided dependency */ var process = __webpack_require__(34155);
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var capability = __webpack_require__(8725)
var inherits = __webpack_require__(35717)
var stream = __webpack_require__(88473)

var rStates = exports.readyStates = {
	UNSENT: 0,
	OPENED: 1,
	HEADERS_RECEIVED: 2,
	LOADING: 3,
	DONE: 4
}

var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, resetTimers) {
	var self = this
	stream.Readable.call(self)

	self._mode = mode
	self.headers = {}
	self.rawHeaders = []
	self.trailers = {}
	self.rawTrailers = []

	// Fake the 'close' event, but only once 'end' fires
	self.on('end', function () {
		// The nextTick is necessary to prevent the 'request' module from causing an infinite loop
		process.nextTick(function () {
			self.emit('close')
		})
	})

	if (mode === 'fetch') {
		self._fetchResponse = response

		self.url = response.url
		self.statusCode = response.status
		self.statusMessage = response.statusText
		
		response.headers.forEach(function (header, key){
			self.headers[key.toLowerCase()] = header
			self.rawHeaders.push(key, header)
		})

		if (capability.writableStream) {
			var writable = new WritableStream({
				write: function (chunk) {
					resetTimers(false)
					return new Promise(function (resolve, reject) {
						if (self._destroyed) {
							reject()
						} else if(self.push(Buffer.from(chunk))) {
							resolve()
						} else {
							self._resumeFetch = resolve
						}
					})
				},
				close: function () {
					resetTimers(true)
					if (!self._destroyed)
						self.push(null)
				},
				abort: function (err) {
					resetTimers(true)
					if (!self._destroyed)
						self.emit('error', err)
				}
			})

			try {
				response.body.pipeTo(writable).catch(function (err) {
					resetTimers(true)
					if (!self._destroyed)
						self.emit('error', err)
				})
				return
			} catch (e) {} // pipeTo method isn't defined. Can't find a better way to feature test this
		}
		// fallback for when writableStream or pipeTo aren't available
		var reader = response.body.getReader()
		function read () {
			reader.read().then(function (result) {
				if (self._destroyed)
					return
				resetTimers(result.done)
				if (result.done) {
					self.push(null)
					return
				}
				self.push(Buffer.from(result.value))
				read()
			}).catch(function (err) {
				resetTimers(true)
				if (!self._destroyed)
					self.emit('error', err)
			})
		}
		read()
	} else {
		self._xhr = xhr
		self._pos = 0

		self.url = xhr.responseURL
		self.statusCode = xhr.status
		self.statusMessage = xhr.statusText
		var headers = xhr.getAllResponseHeaders().split(/\r?\n/)
		headers.forEach(function (header) {
			var matches = header.match(/^([^:]+):\s*(.*)/)
			if (matches) {
				var key = matches[1].toLowerCase()
				if (key === 'set-cookie') {
					if (self.headers[key] === undefined) {
						self.headers[key] = []
					}
					self.headers[key].push(matches[2])
				} else if (self.headers[key] !== undefined) {
					self.headers[key] += ', ' + matches[2]
				} else {
					self.headers[key] = matches[2]
				}
				self.rawHeaders.push(matches[1], matches[2])
			}
		})

		self._charset = 'x-user-defined'
		if (!capability.overrideMimeType) {
			var mimeType = self.rawHeaders['mime-type']
			if (mimeType) {
				var charsetMatch = mimeType.match(/;\s*charset=([^;])(;|$)/)
				if (charsetMatch) {
					self._charset = charsetMatch[1].toLowerCase()
				}
			}
			if (!self._charset)
				self._charset = 'utf-8' // best guess
		}
	}
}

inherits(IncomingMessage, stream.Readable)

IncomingMessage.prototype._read = function () {
	var self = this

	var resolve = self._resumeFetch
	if (resolve) {
		self._resumeFetch = null
		resolve()
	}
}

IncomingMessage.prototype._onXHRProgress = function (resetTimers) {
	var self = this

	var xhr = self._xhr

	var response = null
	switch (self._mode) {
		case 'text':
			response = xhr.responseText
			if (response.length > self._pos) {
				var newData = response.substr(self._pos)
				if (self._charset === 'x-user-defined') {
					var buffer = Buffer.alloc(newData.length)
					for (var i = 0; i < newData.length; i++)
						buffer[i] = newData.charCodeAt(i) & 0xff

					self.push(buffer)
				} else {
					self.push(newData, self._charset)
				}
				self._pos = response.length
			}
			break
		case 'arraybuffer':
			if (xhr.readyState !== rStates.DONE || !xhr.response)
				break
			response = xhr.response
			self.push(Buffer.from(new Uint8Array(response)))
			break
		case 'moz-chunked-arraybuffer': // take whole
			response = xhr.response
			if (xhr.readyState !== rStates.LOADING || !response)
				break
			self.push(Buffer.from(new Uint8Array(response)))
			break
		case 'ms-stream':
			response = xhr.response
			if (xhr.readyState !== rStates.LOADING)
				break
			var reader = new __webpack_require__.g.MSStreamReader()
			reader.onprogress = function () {
				if (reader.result.byteLength > self._pos) {
					self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos))))
					self._pos = reader.result.byteLength
				}
			}
			reader.onload = function () {
				resetTimers(true)
				self.push(null)
			}
			// reader.onerror = ??? // TODO: this
			reader.readAsArrayBuffer(response)
			break
	}

	// The ms-stream case handles end separately in reader.onload()
	if (self._xhr.readyState === rStates.DONE && self._mode !== 'ms-stream') {
		resetTimers(true)
		self.push(null)
	}
}


/***/ }),

/***/ 32553:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



/*<replacement>*/

var Buffer = (__webpack_require__(89509).Buffer);
/*</replacement>*/

var isEncoding = Buffer.isEncoding || function (encoding) {
  encoding = '' + encoding;
  switch (encoding && encoding.toLowerCase()) {
    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
      return true;
    default:
      return false;
  }
};

function _normalizeEncoding(enc) {
  if (!enc) return 'utf8';
  var retried;
  while (true) {
    switch (enc) {
      case 'utf8':
      case 'utf-8':
        return 'utf8';
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return 'utf16le';
      case 'latin1':
      case 'binary':
        return 'latin1';
      case 'base64':
      case 'ascii':
      case 'hex':
        return enc;
      default:
        if (retried) return; // undefined
        enc = ('' + enc).toLowerCase();
        retried = true;
    }
  }
};

// Do not cache `Buffer.isEncoding` when checking encoding names as some
// modules monkey-patch it to support additional encodings
function normalizeEncoding(enc) {
  var nenc = _normalizeEncoding(enc);
  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
  return nenc || enc;
}

// StringDecoder provides an interface for efficiently splitting a series of
// buffers into a series of JS strings without breaking apart multi-byte
// characters.
exports.s = StringDecoder;
function StringDecoder(encoding) {
  this.encoding = normalizeEncoding(encoding);
  var nb;
  switch (this.encoding) {
    case 'utf16le':
      this.text = utf16Text;
      this.end = utf16End;
      nb = 4;
      break;
    case 'utf8':
      this.fillLast = utf8FillLast;
      nb = 4;
      break;
    case 'base64':
      this.text = base64Text;
      this.end = base64End;
      nb = 3;
      break;
    default:
      this.write = simpleWrite;
      this.end = simpleEnd;
      return;
  }
  this.lastNeed = 0;
  this.lastTotal = 0;
  this.lastChar = Buffer.allocUnsafe(nb);
}

StringDecoder.prototype.write = function (buf) {
  if (buf.length === 0) return '';
  var r;
  var i;
  if (this.lastNeed) {
    r = this.fillLast(buf);
    if (r === undefined) return '';
    i = this.lastNeed;
    this.lastNeed = 0;
  } else {
    i = 0;
  }
  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
  return r || '';
};

StringDecoder.prototype.end = utf8End;

// Returns only complete characters in a Buffer
StringDecoder.prototype.text = utf8Text;

// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
StringDecoder.prototype.fillLast = function (buf) {
  if (this.lastNeed <= buf.length) {
    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
  }
  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
  this.lastNeed -= buf.length;
};

// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
// continuation byte. If an invalid byte is detected, -2 is returned.
function utf8CheckByte(byte) {
  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
  return byte >> 6 === 0x02 ? -1 : -2;
}

// Checks at most 3 bytes at the end of a Buffer in order to detect an
// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
// needed to complete the UTF-8 character (if applicable) are returned.
function utf8CheckIncomplete(self, buf, i) {
  var j = buf.length - 1;
  if (j < i) return 0;
  var nb = utf8CheckByte(buf[j]);
  if (nb >= 0) {
    if (nb > 0) self.lastNeed = nb - 1;
    return nb;
  }
  if (--j < i || nb === -2) return 0;
  nb = utf8CheckByte(buf[j]);
  if (nb >= 0) {
    if (nb > 0) self.lastNeed = nb - 2;
    return nb;
  }
  if (--j < i || nb === -2) return 0;
  nb = utf8CheckByte(buf[j]);
  if (nb >= 0) {
    if (nb > 0) {
      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
    }
    return nb;
  }
  return 0;
}

// Validates as many continuation bytes for a multi-byte UTF-8 character as
// needed or are available. If we see a non-continuation byte where we expect
// one, we "replace" the validated continuation bytes we've seen so far with
// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
// behavior. The continuation byte check is included three times in the case
// where all of the continuation bytes for a character exist in the same buffer.
// It is also done this way as a slight performance increase instead of using a
// loop.
function utf8CheckExtraBytes(self, buf, p) {
  if ((buf[0] & 0xC0) !== 0x80) {
    self.lastNeed = 0;
    return '\ufffd';
  }
  if (self.lastNeed > 1 && buf.length > 1) {
    if ((buf[1] & 0xC0) !== 0x80) {
      self.lastNeed = 1;
      return '\ufffd';
    }
    if (self.lastNeed > 2 && buf.length > 2) {
      if ((buf[2] & 0xC0) !== 0x80) {
        self.lastNeed = 2;
        return '\ufffd';
      }
    }
  }
}

// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
function utf8FillLast(buf) {
  var p = this.lastTotal - this.lastNeed;
  var r = utf8CheckExtraBytes(this, buf, p);
  if (r !== undefined) return r;
  if (this.lastNeed <= buf.length) {
    buf.copy(this.lastChar, p, 0, this.lastNeed);
    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
  }
  buf.copy(this.lastChar, p, 0, buf.length);
  this.lastNeed -= buf.length;
}

// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
// partial character, the character's bytes are buffered until the required
// number of bytes are available.
function utf8Text(buf, i) {
  var total = utf8CheckIncomplete(this, buf, i);
  if (!this.lastNeed) return buf.toString('utf8', i);
  this.lastTotal = total;
  var end = buf.length - (total - this.lastNeed);
  buf.copy(this.lastChar, 0, end);
  return buf.toString('utf8', i, end);
}

// For UTF-8, a replacement character is added when ending on a partial
// character.
function utf8End(buf) {
  var r = buf && buf.length ? this.write(buf) : '';
  if (this.lastNeed) return r + '\ufffd';
  return r;
}

// UTF-16LE typically needs two bytes per character, but even if we have an even
// number of bytes available, we need to check if we end on a leading/high
// surrogate. In that case, we need to wait for the next two bytes in order to
// decode the last character properly.
function utf16Text(buf, i) {
  if ((buf.length - i) % 2 === 0) {
    var r = buf.toString('utf16le', i);
    if (r) {
      var c = r.charCodeAt(r.length - 1);
      if (c >= 0xD800 && c <= 0xDBFF) {
        this.lastNeed = 2;
        this.lastTotal = 4;
        this.lastChar[0] = buf[buf.length - 2];
        this.lastChar[1] = buf[buf.length - 1];
        return r.slice(0, -1);
      }
    }
    return r;
  }
  this.lastNeed = 1;
  this.lastTotal = 2;
  this.lastChar[0] = buf[buf.length - 1];
  return buf.toString('utf16le', i, buf.length - 1);
}

// For UTF-16LE we do not explicitly append special replacement characters if we
// end on a partial character, we simply let v8 handle that.
function utf16End(buf) {
  var r = buf && buf.length ? this.write(buf) : '';
  if (this.lastNeed) {
    var end = this.lastTotal - this.lastNeed;
    return r + this.lastChar.toString('utf16le', 0, end);
  }
  return r;
}

function base64Text(buf, i) {
  var n = (buf.length - i) % 3;
  if (n === 0) return buf.toString('base64', i);
  this.lastNeed = 3 - n;
  this.lastTotal = 3;
  if (n === 1) {
    this.lastChar[0] = buf[buf.length - 1];
  } else {
    this.lastChar[0] = buf[buf.length - 2];
    this.lastChar[1] = buf[buf.length - 1];
  }
  return buf.toString('base64', i, buf.length - n);
}

function base64End(buf) {
  var r = buf && buf.length ? this.write(buf) : '';
  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
  return r;
}

// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
function simpleWrite(buf) {
  return buf.toString(this.encoding);
}

function simpleEnd(buf) {
  return buf && buf.length ? this.write(buf) : '';
}

/***/ }),

/***/ 95892:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
const BN = __webpack_require__(94220)
const EC = (__webpack_require__(86266).ec)
const secp256k1 = new EC('secp256k1')
const deterministicGenerateK = __webpack_require__(44142)

const ZERO32 = Buffer.alloc(32, 0)
const EC_GROUP_ORDER = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141', 'hex')
const EC_P = Buffer.from('fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 'hex')

const n = secp256k1.curve.n
const nDiv2 = n.shrn(1)
const G = secp256k1.curve.g

const THROW_BAD_PRIVATE = 'Expected Private'
const THROW_BAD_POINT = 'Expected Point'
const THROW_BAD_TWEAK = 'Expected Tweak'
const THROW_BAD_HASH = 'Expected Hash'
const THROW_BAD_SIGNATURE = 'Expected Signature'
const THROW_BAD_EXTRA_DATA = 'Expected Extra Data (32 bytes)'

function isScalar (x) {
  return Buffer.isBuffer(x) && x.length === 32
}

function isOrderScalar (x) {
  if (!isScalar(x)) return false
  return x.compare(EC_GROUP_ORDER) < 0 // < G
}

function isPoint (p) {
  if (!Buffer.isBuffer(p)) return false
  if (p.length < 33) return false

  const t = p[0]
  const x = p.slice(1, 33)
  if (x.compare(ZERO32) === 0) return false
  if (x.compare(EC_P) >= 0) return false
  if ((t === 0x02 || t === 0x03) && p.length === 33) {
    try { decodeFrom(p) } catch (e) { return false } // TODO: temporary
    return true
  }

  const y = p.slice(33)
  if (y.compare(ZERO32) === 0) return false
  if (y.compare(EC_P) >= 0) return false
  if (t === 0x04 && p.length === 65) return true
  return false
}

function __isPointCompressed (p) {
  return p[0] !== 0x04
}

function isPointCompressed (p) {
  if (!isPoint(p)) return false
  return __isPointCompressed(p)
}

function isPrivate (x) {
  if (!isScalar(x)) return false
  return x.compare(ZERO32) > 0 && // > 0
    x.compare(EC_GROUP_ORDER) < 0 // < G
}

function isSignature (value) {
  const r = value.slice(0, 32)
  const s = value.slice(32, 64)
  return Buffer.isBuffer(value) && value.length === 64 &&
    r.compare(EC_GROUP_ORDER) < 0 &&
    s.compare(EC_GROUP_ORDER) < 0
}

function assumeCompression (value, pubkey) {
  if (value === undefined && pubkey !== undefined) return __isPointCompressed(pubkey)
  if (value === undefined) return true
  return value
}

function fromBuffer (d) { return new BN(d) }
function toBuffer (d) { return d.toArrayLike(Buffer, 'be', 32) }
function decodeFrom (P) { return secp256k1.curve.decodePoint(P) }
function getEncoded (P, compressed) { return Buffer.from(P._encode(compressed)) }

function pointAdd (pA, pB, __compressed) {
  if (!isPoint(pA)) throw new TypeError(THROW_BAD_POINT)
  if (!isPoint(pB)) throw new TypeError(THROW_BAD_POINT)

  const a = decodeFrom(pA)
  const b = decodeFrom(pB)
  const pp = a.add(b)
  if (pp.isInfinity()) return null

  const compressed = assumeCompression(__compressed, pA)
  return getEncoded(pp, compressed)
}

function pointAddScalar (p, tweak, __compressed) {
  if (!isPoint(p)) throw new TypeError(THROW_BAD_POINT)
  if (!isOrderScalar(tweak)) throw new TypeError(THROW_BAD_TWEAK)

  const compressed = assumeCompression(__compressed, p)
  const pp = decodeFrom(p)
  if (tweak.compare(ZERO32) === 0) return getEncoded(pp, compressed)

  const tt = fromBuffer(tweak)
  const qq = G.mul(tt)
  const uu = pp.add(qq)
  if (uu.isInfinity()) return null

  return getEncoded(uu, compressed)
}

function pointCompress (p, __compressed) {
  if (!isPoint(p)) throw new TypeError(THROW_BAD_POINT)

  const pp = decodeFrom(p)
  if (pp.isInfinity()) throw new TypeError(THROW_BAD_POINT)

  const compressed = assumeCompression(__compressed, p)

  return getEncoded(pp, compressed)
}

function pointFromScalar (d, __compressed) {
  if (!isPrivate(d)) throw new TypeError(THROW_BAD_PRIVATE)

  const dd = fromBuffer(d)
  const pp = G.mul(dd)
  if (pp.isInfinity()) return null

  const compressed = assumeCompression(__compressed)
  return getEncoded(pp, compressed)
}

function pointMultiply (p, tweak, __compressed) {
  if (!isPoint(p)) throw new TypeError(THROW_BAD_POINT)
  if (!isOrderScalar(tweak)) throw new TypeError(THROW_BAD_TWEAK)

  const compressed = assumeCompression(__compressed, p)
  const pp = decodeFrom(p)
  const tt = fromBuffer(tweak)
  const qq = pp.mul(tt)
  if (qq.isInfinity()) return null

  return getEncoded(qq, compressed)
}

function privateAdd (d, tweak) {
  if (!isPrivate(d)) throw new TypeError(THROW_BAD_PRIVATE)
  if (!isOrderScalar(tweak)) throw new TypeError(THROW_BAD_TWEAK)

  const dd = fromBuffer(d)
  const tt = fromBuffer(tweak)
  const dt = toBuffer(dd.add(tt).umod(n))
  if (!isPrivate(dt)) return null

  return dt
}

function privateSub (d, tweak) {
  if (!isPrivate(d)) throw new TypeError(THROW_BAD_PRIVATE)
  if (!isOrderScalar(tweak)) throw new TypeError(THROW_BAD_TWEAK)

  const dd = fromBuffer(d)
  const tt = fromBuffer(tweak)
  const dt = toBuffer(dd.sub(tt).umod(n))
  if (!isPrivate(dt)) return null

  return dt
}

function sign (hash, x) {
  return __sign(hash, x)
}

function signWithEntropy (hash, x, addData) {
  return __sign(hash, x, addData)
}

function __sign (hash, x, addData) {
  if (!isScalar(hash)) throw new TypeError(THROW_BAD_HASH)
  if (!isPrivate(x)) throw new TypeError(THROW_BAD_PRIVATE)
  if (addData !== undefined && !isScalar(addData)) throw new TypeError(THROW_BAD_EXTRA_DATA)

  const d = fromBuffer(x)
  const e = fromBuffer(hash)

  let r, s
  const checkSig = function (k) {
    const kI = fromBuffer(k)
    const Q = G.mul(kI)

    if (Q.isInfinity()) return false

    r = Q.x.umod(n)
    if (r.isZero() === 0) return false

    s = kI
      .invm(n)
      .mul(e.add(d.mul(r)))
      .umod(n)
    if (s.isZero() === 0) return false

    return true
  }

  deterministicGenerateK(hash, x, checkSig, isPrivate, addData)

  // enforce low S values, see bip62: 'low s values in signatures'
  if (s.cmp(nDiv2) > 0) {
    s = n.sub(s)
  }

  const buffer = Buffer.allocUnsafe(64)
  toBuffer(r).copy(buffer, 0)
  toBuffer(s).copy(buffer, 32)
  return buffer
}

function verify (hash, q, signature, strict) {
  if (!isScalar(hash)) throw new TypeError(THROW_BAD_HASH)
  if (!isPoint(q)) throw new TypeError(THROW_BAD_POINT)

  // 1.4.1 Enforce r and s are both integers in the interval [1, n − 1] (1, isSignature enforces '< n - 1')
  if (!isSignature(signature)) throw new TypeError(THROW_BAD_SIGNATURE)

  const Q = decodeFrom(q)
  const r = fromBuffer(signature.slice(0, 32))
  const s = fromBuffer(signature.slice(32, 64))

  if (strict && s.cmp(nDiv2) > 0) {
    return false
  }

  // 1.4.1 Enforce r and s are both integers in the interval [1, n − 1] (2, enforces '> 0')
  if (r.gtn(0) <= 0 /* || r.compareTo(n) >= 0 */) return false
  if (s.gtn(0) <= 0 /* || s.compareTo(n) >= 0 */) return false

  // 1.4.2 H = Hash(M), already done by the user
  // 1.4.3 e = H
  const e = fromBuffer(hash)

  // Compute s^-1
  const sInv = s.invm(n)

  // 1.4.4 Compute u1 = es^−1 mod n
  //               u2 = rs^−1 mod n
  const u1 = e.mul(sInv).umod(n)
  const u2 = r.mul(sInv).umod(n)

  // 1.4.5 Compute R = (xR, yR)
  //               R = u1G + u2Q
  const R = G.mulAdd(u1, Q, u2)

  // 1.4.5 (cont.) Enforce R is not at infinity
  if (R.isInfinity()) return false

  // 1.4.6 Convert the field element R.x to an integer
  const xR = R.x

  // 1.4.7 Set v = xR mod n
  const v = xR.umod(n)

  // 1.4.8 If v = r, output "valid", and if v != r, output "invalid"
  return v.eq(r)
}

module.exports = {
  isPoint,
  isPointCompressed,
  isPrivate,
  pointAdd,
  pointAddScalar,
  pointCompress,
  pointFromScalar,
  pointMultiply,
  privateAdd,
  privateSub,
  sign,
  signWithEntropy,
  verify
}


/***/ }),

/***/ 94220:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
(function (module, exports) {
  'use strict';

  // Utils
  function assert (val, msg) {
    if (!val) throw new Error(msg || 'Assertion failed');
  }

  // Could use `inherits` module, but don't want to move from single file
  // architecture yet.
  function inherits (ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }

  // BN

  function BN (number, base, endian) {
    if (BN.isBN(number)) {
      return number;
    }

    this.negative = 0;
    this.words = null;
    this.length = 0;

    // Reduction context
    this.red = null;

    if (number !== null) {
      if (base === 'le' || base === 'be') {
        endian = base;
        base = 10;
      }

      this._init(number || 0, base || 10, endian || 'be');
    }
  }
  if (typeof module === 'object') {
    module.exports = BN;
  } else {
    exports.BN = BN;
  }

  BN.BN = BN;
  BN.wordSize = 26;

  var Buffer;
  try {
    if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') {
      Buffer = window.Buffer;
    } else {
      Buffer = (__webpack_require__(33370).Buffer);
    }
  } catch (e) {
  }

  BN.isBN = function isBN (num) {
    if (num instanceof BN) {
      return true;
    }

    return num !== null && typeof num === 'object' &&
      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
  };

  BN.max = function max (left, right) {
    if (left.cmp(right) > 0) return left;
    return right;
  };

  BN.min = function min (left, right) {
    if (left.cmp(right) < 0) return left;
    return right;
  };

  BN.prototype._init = function init (number, base, endian) {
    if (typeof number === 'number') {
      return this._initNumber(number, base, endian);
    }

    if (typeof number === 'object') {
      return this._initArray(number, base, endian);
    }

    if (base === 'hex') {
      base = 16;
    }
    assert(base === (base | 0) && base >= 2 && base <= 36);

    number = number.toString().replace(/\s+/g, '');
    var start = 0;
    if (number[0] === '-') {
      start++;
      this.negative = 1;
    }

    if (start < number.length) {
      if (base === 16) {
        this._parseHex(number, start, endian);
      } else {
        this._parseBase(number, base, start);
        if (endian === 'le') {
          this._initArray(this.toArray(), base, endian);
        }
      }
    }
  };

  BN.prototype._initNumber = function _initNumber (number, base, endian) {
    if (number < 0) {
      this.negative = 1;
      number = -number;
    }
    if (number < 0x4000000) {
      this.words = [ number & 0x3ffffff ];
      this.length = 1;
    } else if (number < 0x10000000000000) {
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff
      ];
      this.length = 2;
    } else {
      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
      this.words = [
        number & 0x3ffffff,
        (number / 0x4000000) & 0x3ffffff,
        1
      ];
      this.length = 3;
    }

    if (endian !== 'le') return;

    // Reverse the bytes
    this._initArray(this.toArray(), base, endian);
  };

  BN.prototype._initArray = function _initArray (number, base, endian) {
    // Perhaps a Uint8Array
    assert(typeof number.length === 'number');
    if (number.length <= 0) {
      this.words = [ 0 ];
      this.length = 1;
      return this;
    }

    this.length = Math.ceil(number.length / 3);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    var j, w;
    var off = 0;
    if (endian === 'be') {
      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    } else if (endian === 'le') {
      for (i = 0, j = 0; i < number.length; i += 3) {
        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
        this.words[j] |= (w << off) & 0x3ffffff;
        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
        off += 24;
        if (off >= 26) {
          off -= 26;
          j++;
        }
      }
    }
    return this.strip();
  };

  function parseHex4Bits (string, index) {
    var c = string.charCodeAt(index);
    // 'A' - 'F'
    if (c >= 65 && c <= 70) {
      return c - 55;
    // 'a' - 'f'
    } else if (c >= 97 && c <= 102) {
      return c - 87;
    // '0' - '9'
    } else {
      return (c - 48) & 0xf;
    }
  }

  function parseHexByte (string, lowerBound, index) {
    var r = parseHex4Bits(string, index);
    if (index - 1 >= lowerBound) {
      r |= parseHex4Bits(string, index - 1) << 4;
    }
    return r;
  }

  BN.prototype._parseHex = function _parseHex (number, start, endian) {
    // Create possibly bigger array to ensure that it fits the number
    this.length = Math.ceil((number.length - start) / 6);
    this.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      this.words[i] = 0;
    }

    // 24-bits chunks
    var off = 0;
    var j = 0;

    var w;
    if (endian === 'be') {
      for (i = number.length - 1; i >= start; i -= 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    } else {
      var parseLength = number.length - start;
      for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) {
        w = parseHexByte(number, start, i) << off;
        this.words[j] |= w & 0x3ffffff;
        if (off >= 18) {
          off -= 18;
          j += 1;
          this.words[j] |= w >>> 26;
        } else {
          off += 8;
        }
      }
    }

    this.strip();
  };

  function parseBase (str, start, end, mul) {
    var r = 0;
    var len = Math.min(str.length, end);
    for (var i = start; i < len; i++) {
      var c = str.charCodeAt(i) - 48;

      r *= mul;

      // 'a'
      if (c >= 49) {
        r += c - 49 + 0xa;

      // 'A'
      } else if (c >= 17) {
        r += c - 17 + 0xa;

      // '0' - '9'
      } else {
        r += c;
      }
    }
    return r;
  }

  BN.prototype._parseBase = function _parseBase (number, base, start) {
    // Initialize as zero
    this.words = [ 0 ];
    this.length = 1;

    // Find length of limb in base
    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
      limbLen++;
    }
    limbLen--;
    limbPow = (limbPow / base) | 0;

    var total = number.length - start;
    var mod = total % limbLen;
    var end = Math.min(total, total - mod) + start;

    var word = 0;
    for (var i = start; i < end; i += limbLen) {
      word = parseBase(number, i, i + limbLen, base);

      this.imuln(limbPow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    if (mod !== 0) {
      var pow = 1;
      word = parseBase(number, i, number.length, base);

      for (i = 0; i < mod; i++) {
        pow *= base;
      }

      this.imuln(pow);
      if (this.words[0] + word < 0x4000000) {
        this.words[0] += word;
      } else {
        this._iaddn(word);
      }
    }

    this.strip();
  };

  BN.prototype.copy = function copy (dest) {
    dest.words = new Array(this.length);
    for (var i = 0; i < this.length; i++) {
      dest.words[i] = this.words[i];
    }
    dest.length = this.length;
    dest.negative = this.negative;
    dest.red = this.red;
  };

  BN.prototype.clone = function clone () {
    var r = new BN(null);
    this.copy(r);
    return r;
  };

  BN.prototype._expand = function _expand (size) {
    while (this.length < size) {
      this.words[this.length++] = 0;
    }
    return this;
  };

  // Remove leading `0` from `this`
  BN.prototype.strip = function strip () {
    while (this.length > 1 && this.words[this.length - 1] === 0) {
      this.length--;
    }
    return this._normSign();
  };

  BN.prototype._normSign = function _normSign () {
    // -0 = 0
    if (this.length === 1 && this.words[0] === 0) {
      this.negative = 0;
    }
    return this;
  };

  BN.prototype.inspect = function inspect () {
    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
  };

  /*

  var zeros = [];
  var groupSizes = [];
  var groupBases = [];

  var s = '';
  var i = -1;
  while (++i < BN.wordSize) {
    zeros[i] = s;
    s += '0';
  }
  groupSizes[0] = 0;
  groupSizes[1] = 0;
  groupBases[0] = 0;
  groupBases[1] = 0;
  var base = 2 - 1;
  while (++base < 36 + 1) {
    var groupSize = 0;
    var groupBase = 1;
    while (groupBase < (1 << BN.wordSize) / base) {
      groupBase *= base;
      groupSize += 1;
    }
    groupSizes[base] = groupSize;
    groupBases[base] = groupBase;
  }

  */

  var zeros = [
    '',
    '0',
    '00',
    '000',
    '0000',
    '00000',
    '000000',
    '0000000',
    '00000000',
    '000000000',
    '0000000000',
    '00000000000',
    '000000000000',
    '0000000000000',
    '00000000000000',
    '000000000000000',
    '0000000000000000',
    '00000000000000000',
    '000000000000000000',
    '0000000000000000000',
    '00000000000000000000',
    '000000000000000000000',
    '0000000000000000000000',
    '00000000000000000000000',
    '000000000000000000000000',
    '0000000000000000000000000'
  ];

  var groupSizes = [
    0, 0,
    25, 16, 12, 11, 10, 9, 8,
    8, 7, 7, 7, 7, 6, 6,
    6, 6, 6, 6, 6, 5, 5,
    5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5
  ];

  var groupBases = [
    0, 0,
    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
  ];

  BN.prototype.toString = function toString (base, padding) {
    base = base || 10;
    padding = padding | 0 || 1;

    var out;
    if (base === 16 || base === 'hex') {
      out = '';
      var off = 0;
      var carry = 0;
      for (var i = 0; i < this.length; i++) {
        var w = this.words[i];
        var word = (((w << off) | carry) & 0xffffff).toString(16);
        carry = (w >>> (24 - off)) & 0xffffff;
        if (carry !== 0 || i !== this.length - 1) {
          out = zeros[6 - word.length] + word + out;
        } else {
          out = word + out;
        }
        off += 2;
        if (off >= 26) {
          off -= 26;
          i--;
        }
      }
      if (carry !== 0) {
        out = carry.toString(16) + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    if (base === (base | 0) && base >= 2 && base <= 36) {
      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
      var groupSize = groupSizes[base];
      // var groupBase = Math.pow(base, groupSize);
      var groupBase = groupBases[base];
      out = '';
      var c = this.clone();
      c.negative = 0;
      while (!c.isZero()) {
        var r = c.modn(groupBase).toString(base);
        c = c.idivn(groupBase);

        if (!c.isZero()) {
          out = zeros[groupSize - r.length] + r + out;
        } else {
          out = r + out;
        }
      }
      if (this.isZero()) {
        out = '0' + out;
      }
      while (out.length % padding !== 0) {
        out = '0' + out;
      }
      if (this.negative !== 0) {
        out = '-' + out;
      }
      return out;
    }

    assert(false, 'Base should be between 2 and 36');
  };

  BN.prototype.toNumber = function toNumber () {
    var ret = this.words[0];
    if (this.length === 2) {
      ret += this.words[1] * 0x4000000;
    } else if (this.length === 3 && this.words[2] === 0x01) {
      // NOTE: at this stage it is known that the top bit is set
      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
    } else if (this.length > 2) {
      assert(false, 'Number can only safely store up to 53 bits');
    }
    return (this.negative !== 0) ? -ret : ret;
  };

  BN.prototype.toJSON = function toJSON () {
    return this.toString(16);
  };

  BN.prototype.toBuffer = function toBuffer (endian, length) {
    assert(typeof Buffer !== 'undefined');
    return this.toArrayLike(Buffer, endian, length);
  };

  BN.prototype.toArray = function toArray (endian, length) {
    return this.toArrayLike(Array, endian, length);
  };

  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
    var byteLength = this.byteLength();
    var reqLength = length || Math.max(1, byteLength);
    assert(byteLength <= reqLength, 'byte array longer than desired length');
    assert(reqLength > 0, 'Requested array length <= 0');

    this.strip();
    var littleEndian = endian === 'le';
    var res = new ArrayType(reqLength);

    var b, i;
    var q = this.clone();
    if (!littleEndian) {
      // Assume big-endian
      for (i = 0; i < reqLength - byteLength; i++) {
        res[i] = 0;
      }

      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[reqLength - i - 1] = b;
      }
    } else {
      for (i = 0; !q.isZero(); i++) {
        b = q.andln(0xff);
        q.iushrn(8);

        res[i] = b;
      }

      for (; i < reqLength; i++) {
        res[i] = 0;
      }
    }

    return res;
  };

  if (Math.clz32) {
    BN.prototype._countBits = function _countBits (w) {
      return 32 - Math.clz32(w);
    };
  } else {
    BN.prototype._countBits = function _countBits (w) {
      var t = w;
      var r = 0;
      if (t >= 0x1000) {
        r += 13;
        t >>>= 13;
      }
      if (t >= 0x40) {
        r += 7;
        t >>>= 7;
      }
      if (t >= 0x8) {
        r += 4;
        t >>>= 4;
      }
      if (t >= 0x02) {
        r += 2;
        t >>>= 2;
      }
      return r + t;
    };
  }

  BN.prototype._zeroBits = function _zeroBits (w) {
    // Short-cut
    if (w === 0) return 26;

    var t = w;
    var r = 0;
    if ((t & 0x1fff) === 0) {
      r += 13;
      t >>>= 13;
    }
    if ((t & 0x7f) === 0) {
      r += 7;
      t >>>= 7;
    }
    if ((t & 0xf) === 0) {
      r += 4;
      t >>>= 4;
    }
    if ((t & 0x3) === 0) {
      r += 2;
      t >>>= 2;
    }
    if ((t & 0x1) === 0) {
      r++;
    }
    return r;
  };

  // Return number of used bits in a BN
  BN.prototype.bitLength = function bitLength () {
    var w = this.words[this.length - 1];
    var hi = this._countBits(w);
    return (this.length - 1) * 26 + hi;
  };

  function toBitArray (num) {
    var w = new Array(num.bitLength());

    for (var bit = 0; bit < w.length; bit++) {
      var off = (bit / 26) | 0;
      var wbit = bit % 26;

      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
    }

    return w;
  }

  // Number of trailing zero bits
  BN.prototype.zeroBits = function zeroBits () {
    if (this.isZero()) return 0;

    var r = 0;
    for (var i = 0; i < this.length; i++) {
      var b = this._zeroBits(this.words[i]);
      r += b;
      if (b !== 26) break;
    }
    return r;
  };

  BN.prototype.byteLength = function byteLength () {
    return Math.ceil(this.bitLength() / 8);
  };

  BN.prototype.toTwos = function toTwos (width) {
    if (this.negative !== 0) {
      return this.abs().inotn(width).iaddn(1);
    }
    return this.clone();
  };

  BN.prototype.fromTwos = function fromTwos (width) {
    if (this.testn(width - 1)) {
      return this.notn(width).iaddn(1).ineg();
    }
    return this.clone();
  };

  BN.prototype.isNeg = function isNeg () {
    return this.negative !== 0;
  };

  // Return negative clone of `this`
  BN.prototype.neg = function neg () {
    return this.clone().ineg();
  };

  BN.prototype.ineg = function ineg () {
    if (!this.isZero()) {
      this.negative ^= 1;
    }

    return this;
  };

  // Or `num` with `this` in-place
  BN.prototype.iuor = function iuor (num) {
    while (this.length < num.length) {
      this.words[this.length++] = 0;
    }

    for (var i = 0; i < num.length; i++) {
      this.words[i] = this.words[i] | num.words[i];
    }

    return this.strip();
  };

  BN.prototype.ior = function ior (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuor(num);
  };

  // Or `num` with `this`
  BN.prototype.or = function or (num) {
    if (this.length > num.length) return this.clone().ior(num);
    return num.clone().ior(this);
  };

  BN.prototype.uor = function uor (num) {
    if (this.length > num.length) return this.clone().iuor(num);
    return num.clone().iuor(this);
  };

  // And `num` with `this` in-place
  BN.prototype.iuand = function iuand (num) {
    // b = min-length(num, this)
    var b;
    if (this.length > num.length) {
      b = num;
    } else {
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = this.words[i] & num.words[i];
    }

    this.length = b.length;

    return this.strip();
  };

  BN.prototype.iand = function iand (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuand(num);
  };

  // And `num` with `this`
  BN.prototype.and = function and (num) {
    if (this.length > num.length) return this.clone().iand(num);
    return num.clone().iand(this);
  };

  BN.prototype.uand = function uand (num) {
    if (this.length > num.length) return this.clone().iuand(num);
    return num.clone().iuand(this);
  };

  // Xor `num` with `this` in-place
  BN.prototype.iuxor = function iuxor (num) {
    // a.length > b.length
    var a;
    var b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    for (var i = 0; i < b.length; i++) {
      this.words[i] = a.words[i] ^ b.words[i];
    }

    if (this !== a) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = a.length;

    return this.strip();
  };

  BN.prototype.ixor = function ixor (num) {
    assert((this.negative | num.negative) === 0);
    return this.iuxor(num);
  };

  // Xor `num` with `this`
  BN.prototype.xor = function xor (num) {
    if (this.length > num.length) return this.clone().ixor(num);
    return num.clone().ixor(this);
  };

  BN.prototype.uxor = function uxor (num) {
    if (this.length > num.length) return this.clone().iuxor(num);
    return num.clone().iuxor(this);
  };

  // Not ``this`` with ``width`` bitwidth
  BN.prototype.inotn = function inotn (width) {
    assert(typeof width === 'number' && width >= 0);

    var bytesNeeded = Math.ceil(width / 26) | 0;
    var bitsLeft = width % 26;

    // Extend the buffer with leading zeroes
    this._expand(bytesNeeded);

    if (bitsLeft > 0) {
      bytesNeeded--;
    }

    // Handle complete words
    for (var i = 0; i < bytesNeeded; i++) {
      this.words[i] = ~this.words[i] & 0x3ffffff;
    }

    // Handle the residue
    if (bitsLeft > 0) {
      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
    }

    // And remove leading zeroes
    return this.strip();
  };

  BN.prototype.notn = function notn (width) {
    return this.clone().inotn(width);
  };

  // Set `bit` of `this`
  BN.prototype.setn = function setn (bit, val) {
    assert(typeof bit === 'number' && bit >= 0);

    var off = (bit / 26) | 0;
    var wbit = bit % 26;

    this._expand(off + 1);

    if (val) {
      this.words[off] = this.words[off] | (1 << wbit);
    } else {
      this.words[off] = this.words[off] & ~(1 << wbit);
    }

    return this.strip();
  };

  // Add `num` to `this` in-place
  BN.prototype.iadd = function iadd (num) {
    var r;

    // negative + positive
    if (this.negative !== 0 && num.negative === 0) {
      this.negative = 0;
      r = this.isub(num);
      this.negative ^= 1;
      return this._normSign();

    // positive + negative
    } else if (this.negative === 0 && num.negative !== 0) {
      num.negative = 0;
      r = this.isub(num);
      num.negative = 1;
      return r._normSign();
    }

    // a.length > b.length
    var a, b;
    if (this.length > num.length) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      this.words[i] = r & 0x3ffffff;
      carry = r >>> 26;
    }

    this.length = a.length;
    if (carry !== 0) {
      this.words[this.length] = carry;
      this.length++;
    // Copy the rest of the words
    } else if (a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    return this;
  };

  // Add `num` to `this`
  BN.prototype.add = function add (num) {
    var res;
    if (num.negative !== 0 && this.negative === 0) {
      num.negative = 0;
      res = this.sub(num);
      num.negative ^= 1;
      return res;
    } else if (num.negative === 0 && this.negative !== 0) {
      this.negative = 0;
      res = num.sub(this);
      this.negative = 1;
      return res;
    }

    if (this.length > num.length) return this.clone().iadd(num);

    return num.clone().iadd(this);
  };

  // Subtract `num` from `this` in-place
  BN.prototype.isub = function isub (num) {
    // this - (-num) = this + num
    if (num.negative !== 0) {
      num.negative = 0;
      var r = this.iadd(num);
      num.negative = 1;
      return r._normSign();

    // -this - num = -(this + num)
    } else if (this.negative !== 0) {
      this.negative = 0;
      this.iadd(num);
      this.negative = 1;
      return this._normSign();
    }

    // At this point both numbers are positive
    var cmp = this.cmp(num);

    // Optimization - zeroify
    if (cmp === 0) {
      this.negative = 0;
      this.length = 1;
      this.words[0] = 0;
      return this;
    }

    // a > b
    var a, b;
    if (cmp > 0) {
      a = this;
      b = num;
    } else {
      a = num;
      b = this;
    }

    var carry = 0;
    for (var i = 0; i < b.length; i++) {
      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }
    for (; carry !== 0 && i < a.length; i++) {
      r = (a.words[i] | 0) + carry;
      carry = r >> 26;
      this.words[i] = r & 0x3ffffff;
    }

    // Copy rest of the words
    if (carry === 0 && i < a.length && a !== this) {
      for (; i < a.length; i++) {
        this.words[i] = a.words[i];
      }
    }

    this.length = Math.max(this.length, i);

    if (a !== this) {
      this.negative = 1;
    }

    return this.strip();
  };

  // Subtract `num` from `this`
  BN.prototype.sub = function sub (num) {
    return this.clone().isub(num);
  };

  function smallMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    var len = (self.length + num.length) | 0;
    out.length = len;
    len = (len - 1) | 0;

    // Peel one iteration (compiler can't do it, because of code complexity)
    var a = self.words[0] | 0;
    var b = num.words[0] | 0;
    var r = a * b;

    var lo = r & 0x3ffffff;
    var carry = (r / 0x4000000) | 0;
    out.words[0] = lo;

    for (var k = 1; k < len; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = carry >>> 26;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = (k - j) | 0;
        a = self.words[i] | 0;
        b = num.words[j] | 0;
        r = a * b + rword;
        ncarry += (r / 0x4000000) | 0;
        rword = r & 0x3ffffff;
      }
      out.words[k] = rword | 0;
      carry = ncarry | 0;
    }
    if (carry !== 0) {
      out.words[k] = carry | 0;
    } else {
      out.length--;
    }

    return out.strip();
  }

  // TODO(indutny): it may be reasonable to omit it for users who don't need
  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
  // multiplication (like elliptic secp256k1).
  var comb10MulTo = function comb10MulTo (self, num, out) {
    var a = self.words;
    var b = num.words;
    var o = out.words;
    var c = 0;
    var lo;
    var mid;
    var hi;
    var a0 = a[0] | 0;
    var al0 = a0 & 0x1fff;
    var ah0 = a0 >>> 13;
    var a1 = a[1] | 0;
    var al1 = a1 & 0x1fff;
    var ah1 = a1 >>> 13;
    var a2 = a[2] | 0;
    var al2 = a2 & 0x1fff;
    var ah2 = a2 >>> 13;
    var a3 = a[3] | 0;
    var al3 = a3 & 0x1fff;
    var ah3 = a3 >>> 13;
    var a4 = a[4] | 0;
    var al4 = a4 & 0x1fff;
    var ah4 = a4 >>> 13;
    var a5 = a[5] | 0;
    var al5 = a5 & 0x1fff;
    var ah5 = a5 >>> 13;
    var a6 = a[6] | 0;
    var al6 = a6 & 0x1fff;
    var ah6 = a6 >>> 13;
    var a7 = a[7] | 0;
    var al7 = a7 & 0x1fff;
    var ah7 = a7 >>> 13;
    var a8 = a[8] | 0;
    var al8 = a8 & 0x1fff;
    var ah8 = a8 >>> 13;
    var a9 = a[9] | 0;
    var al9 = a9 & 0x1fff;
    var ah9 = a9 >>> 13;
    var b0 = b[0] | 0;
    var bl0 = b0 & 0x1fff;
    var bh0 = b0 >>> 13;
    var b1 = b[1] | 0;
    var bl1 = b1 & 0x1fff;
    var bh1 = b1 >>> 13;
    var b2 = b[2] | 0;
    var bl2 = b2 & 0x1fff;
    var bh2 = b2 >>> 13;
    var b3 = b[3] | 0;
    var bl3 = b3 & 0x1fff;
    var bh3 = b3 >>> 13;
    var b4 = b[4] | 0;
    var bl4 = b4 & 0x1fff;
    var bh4 = b4 >>> 13;
    var b5 = b[5] | 0;
    var bl5 = b5 & 0x1fff;
    var bh5 = b5 >>> 13;
    var b6 = b[6] | 0;
    var bl6 = b6 & 0x1fff;
    var bh6 = b6 >>> 13;
    var b7 = b[7] | 0;
    var bl7 = b7 & 0x1fff;
    var bh7 = b7 >>> 13;
    var b8 = b[8] | 0;
    var bl8 = b8 & 0x1fff;
    var bh8 = b8 >>> 13;
    var b9 = b[9] | 0;
    var bl9 = b9 & 0x1fff;
    var bh9 = b9 >>> 13;

    out.negative = self.negative ^ num.negative;
    out.length = 19;
    /* k = 0 */
    lo = Math.imul(al0, bl0);
    mid = Math.imul(al0, bh0);
    mid = (mid + Math.imul(ah0, bl0)) | 0;
    hi = Math.imul(ah0, bh0);
    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
    w0 &= 0x3ffffff;
    /* k = 1 */
    lo = Math.imul(al1, bl0);
    mid = Math.imul(al1, bh0);
    mid = (mid + Math.imul(ah1, bl0)) | 0;
    hi = Math.imul(ah1, bh0);
    lo = (lo + Math.imul(al0, bl1)) | 0;
    mid = (mid + Math.imul(al0, bh1)) | 0;
    mid = (mid + Math.imul(ah0, bl1)) | 0;
    hi = (hi + Math.imul(ah0, bh1)) | 0;
    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
    w1 &= 0x3ffffff;
    /* k = 2 */
    lo = Math.imul(al2, bl0);
    mid = Math.imul(al2, bh0);
    mid = (mid + Math.imul(ah2, bl0)) | 0;
    hi = Math.imul(ah2, bh0);
    lo = (lo + Math.imul(al1, bl1)) | 0;
    mid = (mid + Math.imul(al1, bh1)) | 0;
    mid = (mid + Math.imul(ah1, bl1)) | 0;
    hi = (hi + Math.imul(ah1, bh1)) | 0;
    lo = (lo + Math.imul(al0, bl2)) | 0;
    mid = (mid + Math.imul(al0, bh2)) | 0;
    mid = (mid + Math.imul(ah0, bl2)) | 0;
    hi = (hi + Math.imul(ah0, bh2)) | 0;
    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
    w2 &= 0x3ffffff;
    /* k = 3 */
    lo = Math.imul(al3, bl0);
    mid = Math.imul(al3, bh0);
    mid = (mid + Math.imul(ah3, bl0)) | 0;
    hi = Math.imul(ah3, bh0);
    lo = (lo + Math.imul(al2, bl1)) | 0;
    mid = (mid + Math.imul(al2, bh1)) | 0;
    mid = (mid + Math.imul(ah2, bl1)) | 0;
    hi = (hi + Math.imul(ah2, bh1)) | 0;
    lo = (lo + Math.imul(al1, bl2)) | 0;
    mid = (mid + Math.imul(al1, bh2)) | 0;
    mid = (mid + Math.imul(ah1, bl2)) | 0;
    hi = (hi + Math.imul(ah1, bh2)) | 0;
    lo = (lo + Math.imul(al0, bl3)) | 0;
    mid = (mid + Math.imul(al0, bh3)) | 0;
    mid = (mid + Math.imul(ah0, bl3)) | 0;
    hi = (hi + Math.imul(ah0, bh3)) | 0;
    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
    w3 &= 0x3ffffff;
    /* k = 4 */
    lo = Math.imul(al4, bl0);
    mid = Math.imul(al4, bh0);
    mid = (mid + Math.imul(ah4, bl0)) | 0;
    hi = Math.imul(ah4, bh0);
    lo = (lo + Math.imul(al3, bl1)) | 0;
    mid = (mid + Math.imul(al3, bh1)) | 0;
    mid = (mid + Math.imul(ah3, bl1)) | 0;
    hi = (hi + Math.imul(ah3, bh1)) | 0;
    lo = (lo + Math.imul(al2, bl2)) | 0;
    mid = (mid + Math.imul(al2, bh2)) | 0;
    mid = (mid + Math.imul(ah2, bl2)) | 0;
    hi = (hi + Math.imul(ah2, bh2)) | 0;
    lo = (lo + Math.imul(al1, bl3)) | 0;
    mid = (mid + Math.imul(al1, bh3)) | 0;
    mid = (mid + Math.imul(ah1, bl3)) | 0;
    hi = (hi + Math.imul(ah1, bh3)) | 0;
    lo = (lo + Math.imul(al0, bl4)) | 0;
    mid = (mid + Math.imul(al0, bh4)) | 0;
    mid = (mid + Math.imul(ah0, bl4)) | 0;
    hi = (hi + Math.imul(ah0, bh4)) | 0;
    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
    w4 &= 0x3ffffff;
    /* k = 5 */
    lo = Math.imul(al5, bl0);
    mid = Math.imul(al5, bh0);
    mid = (mid + Math.imul(ah5, bl0)) | 0;
    hi = Math.imul(ah5, bh0);
    lo = (lo + Math.imul(al4, bl1)) | 0;
    mid = (mid + Math.imul(al4, bh1)) | 0;
    mid = (mid + Math.imul(ah4, bl1)) | 0;
    hi = (hi + Math.imul(ah4, bh1)) | 0;
    lo = (lo + Math.imul(al3, bl2)) | 0;
    mid = (mid + Math.imul(al3, bh2)) | 0;
    mid = (mid + Math.imul(ah3, bl2)) | 0;
    hi = (hi + Math.imul(ah3, bh2)) | 0;
    lo = (lo + Math.imul(al2, bl3)) | 0;
    mid = (mid + Math.imul(al2, bh3)) | 0;
    mid = (mid + Math.imul(ah2, bl3)) | 0;
    hi = (hi + Math.imul(ah2, bh3)) | 0;
    lo = (lo + Math.imul(al1, bl4)) | 0;
    mid = (mid + Math.imul(al1, bh4)) | 0;
    mid = (mid + Math.imul(ah1, bl4)) | 0;
    hi = (hi + Math.imul(ah1, bh4)) | 0;
    lo = (lo + Math.imul(al0, bl5)) | 0;
    mid = (mid + Math.imul(al0, bh5)) | 0;
    mid = (mid + Math.imul(ah0, bl5)) | 0;
    hi = (hi + Math.imul(ah0, bh5)) | 0;
    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
    w5 &= 0x3ffffff;
    /* k = 6 */
    lo = Math.imul(al6, bl0);
    mid = Math.imul(al6, bh0);
    mid = (mid + Math.imul(ah6, bl0)) | 0;
    hi = Math.imul(ah6, bh0);
    lo = (lo + Math.imul(al5, bl1)) | 0;
    mid = (mid + Math.imul(al5, bh1)) | 0;
    mid = (mid + Math.imul(ah5, bl1)) | 0;
    hi = (hi + Math.imul(ah5, bh1)) | 0;
    lo = (lo + Math.imul(al4, bl2)) | 0;
    mid = (mid + Math.imul(al4, bh2)) | 0;
    mid = (mid + Math.imul(ah4, bl2)) | 0;
    hi = (hi + Math.imul(ah4, bh2)) | 0;
    lo = (lo + Math.imul(al3, bl3)) | 0;
    mid = (mid + Math.imul(al3, bh3)) | 0;
    mid = (mid + Math.imul(ah3, bl3)) | 0;
    hi = (hi + Math.imul(ah3, bh3)) | 0;
    lo = (lo + Math.imul(al2, bl4)) | 0;
    mid = (mid + Math.imul(al2, bh4)) | 0;
    mid = (mid + Math.imul(ah2, bl4)) | 0;
    hi = (hi + Math.imul(ah2, bh4)) | 0;
    lo = (lo + Math.imul(al1, bl5)) | 0;
    mid = (mid + Math.imul(al1, bh5)) | 0;
    mid = (mid + Math.imul(ah1, bl5)) | 0;
    hi = (hi + Math.imul(ah1, bh5)) | 0;
    lo = (lo + Math.imul(al0, bl6)) | 0;
    mid = (mid + Math.imul(al0, bh6)) | 0;
    mid = (mid + Math.imul(ah0, bl6)) | 0;
    hi = (hi + Math.imul(ah0, bh6)) | 0;
    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
    w6 &= 0x3ffffff;
    /* k = 7 */
    lo = Math.imul(al7, bl0);
    mid = Math.imul(al7, bh0);
    mid = (mid + Math.imul(ah7, bl0)) | 0;
    hi = Math.imul(ah7, bh0);
    lo = (lo + Math.imul(al6, bl1)) | 0;
    mid = (mid + Math.imul(al6, bh1)) | 0;
    mid = (mid + Math.imul(ah6, bl1)) | 0;
    hi = (hi + Math.imul(ah6, bh1)) | 0;
    lo = (lo + Math.imul(al5, bl2)) | 0;
    mid = (mid + Math.imul(al5, bh2)) | 0;
    mid = (mid + Math.imul(ah5, bl2)) | 0;
    hi = (hi + Math.imul(ah5, bh2)) | 0;
    lo = (lo + Math.imul(al4, bl3)) | 0;
    mid = (mid + Math.imul(al4, bh3)) | 0;
    mid = (mid + Math.imul(ah4, bl3)) | 0;
    hi = (hi + Math.imul(ah4, bh3)) | 0;
    lo = (lo + Math.imul(al3, bl4)) | 0;
    mid = (mid + Math.imul(al3, bh4)) | 0;
    mid = (mid + Math.imul(ah3, bl4)) | 0;
    hi = (hi + Math.imul(ah3, bh4)) | 0;
    lo = (lo + Math.imul(al2, bl5)) | 0;
    mid = (mid + Math.imul(al2, bh5)) | 0;
    mid = (mid + Math.imul(ah2, bl5)) | 0;
    hi = (hi + Math.imul(ah2, bh5)) | 0;
    lo = (lo + Math.imul(al1, bl6)) | 0;
    mid = (mid + Math.imul(al1, bh6)) | 0;
    mid = (mid + Math.imul(ah1, bl6)) | 0;
    hi = (hi + Math.imul(ah1, bh6)) | 0;
    lo = (lo + Math.imul(al0, bl7)) | 0;
    mid = (mid + Math.imul(al0, bh7)) | 0;
    mid = (mid + Math.imul(ah0, bl7)) | 0;
    hi = (hi + Math.imul(ah0, bh7)) | 0;
    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
    w7 &= 0x3ffffff;
    /* k = 8 */
    lo = Math.imul(al8, bl0);
    mid = Math.imul(al8, bh0);
    mid = (mid + Math.imul(ah8, bl0)) | 0;
    hi = Math.imul(ah8, bh0);
    lo = (lo + Math.imul(al7, bl1)) | 0;
    mid = (mid + Math.imul(al7, bh1)) | 0;
    mid = (mid + Math.imul(ah7, bl1)) | 0;
    hi = (hi + Math.imul(ah7, bh1)) | 0;
    lo = (lo + Math.imul(al6, bl2)) | 0;
    mid = (mid + Math.imul(al6, bh2)) | 0;
    mid = (mid + Math.imul(ah6, bl2)) | 0;
    hi = (hi + Math.imul(ah6, bh2)) | 0;
    lo = (lo + Math.imul(al5, bl3)) | 0;
    mid = (mid + Math.imul(al5, bh3)) | 0;
    mid = (mid + Math.imul(ah5, bl3)) | 0;
    hi = (hi + Math.imul(ah5, bh3)) | 0;
    lo = (lo + Math.imul(al4, bl4)) | 0;
    mid = (mid + Math.imul(al4, bh4)) | 0;
    mid = (mid + Math.imul(ah4, bl4)) | 0;
    hi = (hi + Math.imul(ah4, bh4)) | 0;
    lo = (lo + Math.imul(al3, bl5)) | 0;
    mid = (mid + Math.imul(al3, bh5)) | 0;
    mid = (mid + Math.imul(ah3, bl5)) | 0;
    hi = (hi + Math.imul(ah3, bh5)) | 0;
    lo = (lo + Math.imul(al2, bl6)) | 0;
    mid = (mid + Math.imul(al2, bh6)) | 0;
    mid = (mid + Math.imul(ah2, bl6)) | 0;
    hi = (hi + Math.imul(ah2, bh6)) | 0;
    lo = (lo + Math.imul(al1, bl7)) | 0;
    mid = (mid + Math.imul(al1, bh7)) | 0;
    mid = (mid + Math.imul(ah1, bl7)) | 0;
    hi = (hi + Math.imul(ah1, bh7)) | 0;
    lo = (lo + Math.imul(al0, bl8)) | 0;
    mid = (mid + Math.imul(al0, bh8)) | 0;
    mid = (mid + Math.imul(ah0, bl8)) | 0;
    hi = (hi + Math.imul(ah0, bh8)) | 0;
    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
    w8 &= 0x3ffffff;
    /* k = 9 */
    lo = Math.imul(al9, bl0);
    mid = Math.imul(al9, bh0);
    mid = (mid + Math.imul(ah9, bl0)) | 0;
    hi = Math.imul(ah9, bh0);
    lo = (lo + Math.imul(al8, bl1)) | 0;
    mid = (mid + Math.imul(al8, bh1)) | 0;
    mid = (mid + Math.imul(ah8, bl1)) | 0;
    hi = (hi + Math.imul(ah8, bh1)) | 0;
    lo = (lo + Math.imul(al7, bl2)) | 0;
    mid = (mid + Math.imul(al7, bh2)) | 0;
    mid = (mid + Math.imul(ah7, bl2)) | 0;
    hi = (hi + Math.imul(ah7, bh2)) | 0;
    lo = (lo + Math.imul(al6, bl3)) | 0;
    mid = (mid + Math.imul(al6, bh3)) | 0;
    mid = (mid + Math.imul(ah6, bl3)) | 0;
    hi = (hi + Math.imul(ah6, bh3)) | 0;
    lo = (lo + Math.imul(al5, bl4)) | 0;
    mid = (mid + Math.imul(al5, bh4)) | 0;
    mid = (mid + Math.imul(ah5, bl4)) | 0;
    hi = (hi + Math.imul(ah5, bh4)) | 0;
    lo = (lo + Math.imul(al4, bl5)) | 0;
    mid = (mid + Math.imul(al4, bh5)) | 0;
    mid = (mid + Math.imul(ah4, bl5)) | 0;
    hi = (hi + Math.imul(ah4, bh5)) | 0;
    lo = (lo + Math.imul(al3, bl6)) | 0;
    mid = (mid + Math.imul(al3, bh6)) | 0;
    mid = (mid + Math.imul(ah3, bl6)) | 0;
    hi = (hi + Math.imul(ah3, bh6)) | 0;
    lo = (lo + Math.imul(al2, bl7)) | 0;
    mid = (mid + Math.imul(al2, bh7)) | 0;
    mid = (mid + Math.imul(ah2, bl7)) | 0;
    hi = (hi + Math.imul(ah2, bh7)) | 0;
    lo = (lo + Math.imul(al1, bl8)) | 0;
    mid = (mid + Math.imul(al1, bh8)) | 0;
    mid = (mid + Math.imul(ah1, bl8)) | 0;
    hi = (hi + Math.imul(ah1, bh8)) | 0;
    lo = (lo + Math.imul(al0, bl9)) | 0;
    mid = (mid + Math.imul(al0, bh9)) | 0;
    mid = (mid + Math.imul(ah0, bl9)) | 0;
    hi = (hi + Math.imul(ah0, bh9)) | 0;
    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
    w9 &= 0x3ffffff;
    /* k = 10 */
    lo = Math.imul(al9, bl1);
    mid = Math.imul(al9, bh1);
    mid = (mid + Math.imul(ah9, bl1)) | 0;
    hi = Math.imul(ah9, bh1);
    lo = (lo + Math.imul(al8, bl2)) | 0;
    mid = (mid + Math.imul(al8, bh2)) | 0;
    mid = (mid + Math.imul(ah8, bl2)) | 0;
    hi = (hi + Math.imul(ah8, bh2)) | 0;
    lo = (lo + Math.imul(al7, bl3)) | 0;
    mid = (mid + Math.imul(al7, bh3)) | 0;
    mid = (mid + Math.imul(ah7, bl3)) | 0;
    hi = (hi + Math.imul(ah7, bh3)) | 0;
    lo = (lo + Math.imul(al6, bl4)) | 0;
    mid = (mid + Math.imul(al6, bh4)) | 0;
    mid = (mid + Math.imul(ah6, bl4)) | 0;
    hi = (hi + Math.imul(ah6, bh4)) | 0;
    lo = (lo + Math.imul(al5, bl5)) | 0;
    mid = (mid + Math.imul(al5, bh5)) | 0;
    mid = (mid + Math.imul(ah5, bl5)) | 0;
    hi = (hi + Math.imul(ah5, bh5)) | 0;
    lo = (lo + Math.imul(al4, bl6)) | 0;
    mid = (mid + Math.imul(al4, bh6)) | 0;
    mid = (mid + Math.imul(ah4, bl6)) | 0;
    hi = (hi + Math.imul(ah4, bh6)) | 0;
    lo = (lo + Math.imul(al3, bl7)) | 0;
    mid = (mid + Math.imul(al3, bh7)) | 0;
    mid = (mid + Math.imul(ah3, bl7)) | 0;
    hi = (hi + Math.imul(ah3, bh7)) | 0;
    lo = (lo + Math.imul(al2, bl8)) | 0;
    mid = (mid + Math.imul(al2, bh8)) | 0;
    mid = (mid + Math.imul(ah2, bl8)) | 0;
    hi = (hi + Math.imul(ah2, bh8)) | 0;
    lo = (lo + Math.imul(al1, bl9)) | 0;
    mid = (mid + Math.imul(al1, bh9)) | 0;
    mid = (mid + Math.imul(ah1, bl9)) | 0;
    hi = (hi + Math.imul(ah1, bh9)) | 0;
    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
    w10 &= 0x3ffffff;
    /* k = 11 */
    lo = Math.imul(al9, bl2);
    mid = Math.imul(al9, bh2);
    mid = (mid + Math.imul(ah9, bl2)) | 0;
    hi = Math.imul(ah9, bh2);
    lo = (lo + Math.imul(al8, bl3)) | 0;
    mid = (mid + Math.imul(al8, bh3)) | 0;
    mid = (mid + Math.imul(ah8, bl3)) | 0;
    hi = (hi + Math.imul(ah8, bh3)) | 0;
    lo = (lo + Math.imul(al7, bl4)) | 0;
    mid = (mid + Math.imul(al7, bh4)) | 0;
    mid = (mid + Math.imul(ah7, bl4)) | 0;
    hi = (hi + Math.imul(ah7, bh4)) | 0;
    lo = (lo + Math.imul(al6, bl5)) | 0;
    mid = (mid + Math.imul(al6, bh5)) | 0;
    mid = (mid + Math.imul(ah6, bl5)) | 0;
    hi = (hi + Math.imul(ah6, bh5)) | 0;
    lo = (lo + Math.imul(al5, bl6)) | 0;
    mid = (mid + Math.imul(al5, bh6)) | 0;
    mid = (mid + Math.imul(ah5, bl6)) | 0;
    hi = (hi + Math.imul(ah5, bh6)) | 0;
    lo = (lo + Math.imul(al4, bl7)) | 0;
    mid = (mid + Math.imul(al4, bh7)) | 0;
    mid = (mid + Math.imul(ah4, bl7)) | 0;
    hi = (hi + Math.imul(ah4, bh7)) | 0;
    lo = (lo + Math.imul(al3, bl8)) | 0;
    mid = (mid + Math.imul(al3, bh8)) | 0;
    mid = (mid + Math.imul(ah3, bl8)) | 0;
    hi = (hi + Math.imul(ah3, bh8)) | 0;
    lo = (lo + Math.imul(al2, bl9)) | 0;
    mid = (mid + Math.imul(al2, bh9)) | 0;
    mid = (mid + Math.imul(ah2, bl9)) | 0;
    hi = (hi + Math.imul(ah2, bh9)) | 0;
    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
    w11 &= 0x3ffffff;
    /* k = 12 */
    lo = Math.imul(al9, bl3);
    mid = Math.imul(al9, bh3);
    mid = (mid + Math.imul(ah9, bl3)) | 0;
    hi = Math.imul(ah9, bh3);
    lo = (lo + Math.imul(al8, bl4)) | 0;
    mid = (mid + Math.imul(al8, bh4)) | 0;
    mid = (mid + Math.imul(ah8, bl4)) | 0;
    hi = (hi + Math.imul(ah8, bh4)) | 0;
    lo = (lo + Math.imul(al7, bl5)) | 0;
    mid = (mid + Math.imul(al7, bh5)) | 0;
    mid = (mid + Math.imul(ah7, bl5)) | 0;
    hi = (hi + Math.imul(ah7, bh5)) | 0;
    lo = (lo + Math.imul(al6, bl6)) | 0;
    mid = (mid + Math.imul(al6, bh6)) | 0;
    mid = (mid + Math.imul(ah6, bl6)) | 0;
    hi = (hi + Math.imul(ah6, bh6)) | 0;
    lo = (lo + Math.imul(al5, bl7)) | 0;
    mid = (mid + Math.imul(al5, bh7)) | 0;
    mid = (mid + Math.imul(ah5, bl7)) | 0;
    hi = (hi + Math.imul(ah5, bh7)) | 0;
    lo = (lo + Math.imul(al4, bl8)) | 0;
    mid = (mid + Math.imul(al4, bh8)) | 0;
    mid = (mid + Math.imul(ah4, bl8)) | 0;
    hi = (hi + Math.imul(ah4, bh8)) | 0;
    lo = (lo + Math.imul(al3, bl9)) | 0;
    mid = (mid + Math.imul(al3, bh9)) | 0;
    mid = (mid + Math.imul(ah3, bl9)) | 0;
    hi = (hi + Math.imul(ah3, bh9)) | 0;
    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
    w12 &= 0x3ffffff;
    /* k = 13 */
    lo = Math.imul(al9, bl4);
    mid = Math.imul(al9, bh4);
    mid = (mid + Math.imul(ah9, bl4)) | 0;
    hi = Math.imul(ah9, bh4);
    lo = (lo + Math.imul(al8, bl5)) | 0;
    mid = (mid + Math.imul(al8, bh5)) | 0;
    mid = (mid + Math.imul(ah8, bl5)) | 0;
    hi = (hi + Math.imul(ah8, bh5)) | 0;
    lo = (lo + Math.imul(al7, bl6)) | 0;
    mid = (mid + Math.imul(al7, bh6)) | 0;
    mid = (mid + Math.imul(ah7, bl6)) | 0;
    hi = (hi + Math.imul(ah7, bh6)) | 0;
    lo = (lo + Math.imul(al6, bl7)) | 0;
    mid = (mid + Math.imul(al6, bh7)) | 0;
    mid = (mid + Math.imul(ah6, bl7)) | 0;
    hi = (hi + Math.imul(ah6, bh7)) | 0;
    lo = (lo + Math.imul(al5, bl8)) | 0;
    mid = (mid + Math.imul(al5, bh8)) | 0;
    mid = (mid + Math.imul(ah5, bl8)) | 0;
    hi = (hi + Math.imul(ah5, bh8)) | 0;
    lo = (lo + Math.imul(al4, bl9)) | 0;
    mid = (mid + Math.imul(al4, bh9)) | 0;
    mid = (mid + Math.imul(ah4, bl9)) | 0;
    hi = (hi + Math.imul(ah4, bh9)) | 0;
    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
    w13 &= 0x3ffffff;
    /* k = 14 */
    lo = Math.imul(al9, bl5);
    mid = Math.imul(al9, bh5);
    mid = (mid + Math.imul(ah9, bl5)) | 0;
    hi = Math.imul(ah9, bh5);
    lo = (lo + Math.imul(al8, bl6)) | 0;
    mid = (mid + Math.imul(al8, bh6)) | 0;
    mid = (mid + Math.imul(ah8, bl6)) | 0;
    hi = (hi + Math.imul(ah8, bh6)) | 0;
    lo = (lo + Math.imul(al7, bl7)) | 0;
    mid = (mid + Math.imul(al7, bh7)) | 0;
    mid = (mid + Math.imul(ah7, bl7)) | 0;
    hi = (hi + Math.imul(ah7, bh7)) | 0;
    lo = (lo + Math.imul(al6, bl8)) | 0;
    mid = (mid + Math.imul(al6, bh8)) | 0;
    mid = (mid + Math.imul(ah6, bl8)) | 0;
    hi = (hi + Math.imul(ah6, bh8)) | 0;
    lo = (lo + Math.imul(al5, bl9)) | 0;
    mid = (mid + Math.imul(al5, bh9)) | 0;
    mid = (mid + Math.imul(ah5, bl9)) | 0;
    hi = (hi + Math.imul(ah5, bh9)) | 0;
    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
    w14 &= 0x3ffffff;
    /* k = 15 */
    lo = Math.imul(al9, bl6);
    mid = Math.imul(al9, bh6);
    mid = (mid + Math.imul(ah9, bl6)) | 0;
    hi = Math.imul(ah9, bh6);
    lo = (lo + Math.imul(al8, bl7)) | 0;
    mid = (mid + Math.imul(al8, bh7)) | 0;
    mid = (mid + Math.imul(ah8, bl7)) | 0;
    hi = (hi + Math.imul(ah8, bh7)) | 0;
    lo = (lo + Math.imul(al7, bl8)) | 0;
    mid = (mid + Math.imul(al7, bh8)) | 0;
    mid = (mid + Math.imul(ah7, bl8)) | 0;
    hi = (hi + Math.imul(ah7, bh8)) | 0;
    lo = (lo + Math.imul(al6, bl9)) | 0;
    mid = (mid + Math.imul(al6, bh9)) | 0;
    mid = (mid + Math.imul(ah6, bl9)) | 0;
    hi = (hi + Math.imul(ah6, bh9)) | 0;
    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
    w15 &= 0x3ffffff;
    /* k = 16 */
    lo = Math.imul(al9, bl7);
    mid = Math.imul(al9, bh7);
    mid = (mid + Math.imul(ah9, bl7)) | 0;
    hi = Math.imul(ah9, bh7);
    lo = (lo + Math.imul(al8, bl8)) | 0;
    mid = (mid + Math.imul(al8, bh8)) | 0;
    mid = (mid + Math.imul(ah8, bl8)) | 0;
    hi = (hi + Math.imul(ah8, bh8)) | 0;
    lo = (lo + Math.imul(al7, bl9)) | 0;
    mid = (mid + Math.imul(al7, bh9)) | 0;
    mid = (mid + Math.imul(ah7, bl9)) | 0;
    hi = (hi + Math.imul(ah7, bh9)) | 0;
    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
    w16 &= 0x3ffffff;
    /* k = 17 */
    lo = Math.imul(al9, bl8);
    mid = Math.imul(al9, bh8);
    mid = (mid + Math.imul(ah9, bl8)) | 0;
    hi = Math.imul(ah9, bh8);
    lo = (lo + Math.imul(al8, bl9)) | 0;
    mid = (mid + Math.imul(al8, bh9)) | 0;
    mid = (mid + Math.imul(ah8, bl9)) | 0;
    hi = (hi + Math.imul(ah8, bh9)) | 0;
    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
    w17 &= 0x3ffffff;
    /* k = 18 */
    lo = Math.imul(al9, bl9);
    mid = Math.imul(al9, bh9);
    mid = (mid + Math.imul(ah9, bl9)) | 0;
    hi = Math.imul(ah9, bh9);
    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
    w18 &= 0x3ffffff;
    o[0] = w0;
    o[1] = w1;
    o[2] = w2;
    o[3] = w3;
    o[4] = w4;
    o[5] = w5;
    o[6] = w6;
    o[7] = w7;
    o[8] = w8;
    o[9] = w9;
    o[10] = w10;
    o[11] = w11;
    o[12] = w12;
    o[13] = w13;
    o[14] = w14;
    o[15] = w15;
    o[16] = w16;
    o[17] = w17;
    o[18] = w18;
    if (c !== 0) {
      o[19] = c;
      out.length++;
    }
    return out;
  };

  // Polyfill comb
  if (!Math.imul) {
    comb10MulTo = smallMulTo;
  }

  function bigMulTo (self, num, out) {
    out.negative = num.negative ^ self.negative;
    out.length = self.length + num.length;

    var carry = 0;
    var hncarry = 0;
    for (var k = 0; k < out.length - 1; k++) {
      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
      // note that ncarry could be >= 0x3ffffff
      var ncarry = hncarry;
      hncarry = 0;
      var rword = carry & 0x3ffffff;
      var maxJ = Math.min(k, num.length - 1);
      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
        var i = k - j;
        var a = self.words[i] | 0;
        var b = num.words[j] | 0;
        var r = a * b;

        var lo = r & 0x3ffffff;
        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
        lo = (lo + rword) | 0;
        rword = lo & 0x3ffffff;
        ncarry = (ncarry + (lo >>> 26)) | 0;

        hncarry += ncarry >>> 26;
        ncarry &= 0x3ffffff;
      }
      out.words[k] = rword;
      carry = ncarry;
      ncarry = hncarry;
    }
    if (carry !== 0) {
      out.words[k] = carry;
    } else {
      out.length--;
    }

    return out.strip();
  }

  function jumboMulTo (self, num, out) {
    var fftm = new FFTM();
    return fftm.mulp(self, num, out);
  }

  BN.prototype.mulTo = function mulTo (num, out) {
    var res;
    var len = this.length + num.length;
    if (this.length === 10 && num.length === 10) {
      res = comb10MulTo(this, num, out);
    } else if (len < 63) {
      res = smallMulTo(this, num, out);
    } else if (len < 1024) {
      res = bigMulTo(this, num, out);
    } else {
      res = jumboMulTo(this, num, out);
    }

    return res;
  };

  // Cooley-Tukey algorithm for FFT
  // slightly revisited to rely on looping instead of recursion

  function FFTM (x, y) {
    this.x = x;
    this.y = y;
  }

  FFTM.prototype.makeRBT = function makeRBT (N) {
    var t = new Array(N);
    var l = BN.prototype._countBits(N) - 1;
    for (var i = 0; i < N; i++) {
      t[i] = this.revBin(i, l, N);
    }

    return t;
  };

  // Returns binary-reversed representation of `x`
  FFTM.prototype.revBin = function revBin (x, l, N) {
    if (x === 0 || x === N - 1) return x;

    var rb = 0;
    for (var i = 0; i < l; i++) {
      rb |= (x & 1) << (l - i - 1);
      x >>= 1;
    }

    return rb;
  };

  // Performs "tweedling" phase, therefore 'emulating'
  // behaviour of the recursive algorithm
  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
    for (var i = 0; i < N; i++) {
      rtws[i] = rws[rbt[i]];
      itws[i] = iws[rbt[i]];
    }
  };

  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
    this.permute(rbt, rws, iws, rtws, itws, N);

    for (var s = 1; s < N; s <<= 1) {
      var l = s << 1;

      var rtwdf = Math.cos(2 * Math.PI / l);
      var itwdf = Math.sin(2 * Math.PI / l);

      for (var p = 0; p < N; p += l) {
        var rtwdf_ = rtwdf;
        var itwdf_ = itwdf;

        for (var j = 0; j < s; j++) {
          var re = rtws[p + j];
          var ie = itws[p + j];

          var ro = rtws[p + j + s];
          var io = itws[p + j + s];

          var rx = rtwdf_ * ro - itwdf_ * io;

          io = rtwdf_ * io + itwdf_ * ro;
          ro = rx;

          rtws[p + j] = re + ro;
          itws[p + j] = ie + io;

          rtws[p + j + s] = re - ro;
          itws[p + j + s] = ie - io;

          /* jshint maxdepth : false */
          if (j !== l) {
            rx = rtwdf * rtwdf_ - itwdf * itwdf_;

            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
            rtwdf_ = rx;
          }
        }
      }
    }
  };

  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
    var N = Math.max(m, n) | 1;
    var odd = N & 1;
    var i = 0;
    for (N = N / 2 | 0; N; N = N >>> 1) {
      i++;
    }

    return 1 << i + 1 + odd;
  };

  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
    if (N <= 1) return;

    for (var i = 0; i < N / 2; i++) {
      var t = rws[i];

      rws[i] = rws[N - i - 1];
      rws[N - i - 1] = t;

      t = iws[i];

      iws[i] = -iws[N - i - 1];
      iws[N - i - 1] = -t;
    }
  };

  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
    var carry = 0;
    for (var i = 0; i < N / 2; i++) {
      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
        Math.round(ws[2 * i] / N) +
        carry;

      ws[i] = w & 0x3ffffff;

      if (w < 0x4000000) {
        carry = 0;
      } else {
        carry = w / 0x4000000 | 0;
      }
    }

    return ws;
  };

  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
    var carry = 0;
    for (var i = 0; i < len; i++) {
      carry = carry + (ws[i] | 0);

      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
    }

    // Pad with zeroes
    for (i = 2 * len; i < N; ++i) {
      rws[i] = 0;
    }

    assert(carry === 0);
    assert((carry & ~0x1fff) === 0);
  };

  FFTM.prototype.stub = function stub (N) {
    var ph = new Array(N);
    for (var i = 0; i < N; i++) {
      ph[i] = 0;
    }

    return ph;
  };

  FFTM.prototype.mulp = function mulp (x, y, out) {
    var N = 2 * this.guessLen13b(x.length, y.length);

    var rbt = this.makeRBT(N);

    var _ = this.stub(N);

    var rws = new Array(N);
    var rwst = new Array(N);
    var iwst = new Array(N);

    var nrws = new Array(N);
    var nrwst = new Array(N);
    var niwst = new Array(N);

    var rmws = out.words;
    rmws.length = N;

    this.convert13b(x.words, x.length, rws, N);
    this.convert13b(y.words, y.length, nrws, N);

    this.transform(rws, _, rwst, iwst, N, rbt);
    this.transform(nrws, _, nrwst, niwst, N, rbt);

    for (var i = 0; i < N; i++) {
      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
      rwst[i] = rx;
    }

    this.conjugate(rwst, iwst, N);
    this.transform(rwst, iwst, rmws, _, N, rbt);
    this.conjugate(rmws, _, N);
    this.normalize13b(rmws, N);

    out.negative = x.negative ^ y.negative;
    out.length = x.length + y.length;
    return out.strip();
  };

  // Multiply `this` by `num`
  BN.prototype.mul = function mul (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return this.mulTo(num, out);
  };

  // Multiply employing FFT
  BN.prototype.mulf = function mulf (num) {
    var out = new BN(null);
    out.words = new Array(this.length + num.length);
    return jumboMulTo(this, num, out);
  };

  // In-place Multiplication
  BN.prototype.imul = function imul (num) {
    return this.clone().mulTo(num, this);
  };

  BN.prototype.imuln = function imuln (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);

    // Carry
    var carry = 0;
    for (var i = 0; i < this.length; i++) {
      var w = (this.words[i] | 0) * num;
      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
      carry >>= 26;
      carry += (w / 0x4000000) | 0;
      // NOTE: lo is 27bit maximum
      carry += lo >>> 26;
      this.words[i] = lo & 0x3ffffff;
    }

    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }

    return this;
  };

  BN.prototype.muln = function muln (num) {
    return this.clone().imuln(num);
  };

  // `this` * `this`
  BN.prototype.sqr = function sqr () {
    return this.mul(this);
  };

  // `this` * `this` in-place
  BN.prototype.isqr = function isqr () {
    return this.imul(this.clone());
  };

  // Math.pow(`this`, `num`)
  BN.prototype.pow = function pow (num) {
    var w = toBitArray(num);
    if (w.length === 0) return new BN(1);

    // Skip leading zeroes
    var res = this;
    for (var i = 0; i < w.length; i++, res = res.sqr()) {
      if (w[i] !== 0) break;
    }

    if (++i < w.length) {
      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
        if (w[i] === 0) continue;

        res = res.mul(q);
      }
    }

    return res;
  };

  // Shift-left in-place
  BN.prototype.iushln = function iushln (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;
    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
    var i;

    if (r !== 0) {
      var carry = 0;

      for (i = 0; i < this.length; i++) {
        var newCarry = this.words[i] & carryMask;
        var c = ((this.words[i] | 0) - newCarry) << r;
        this.words[i] = c | carry;
        carry = newCarry >>> (26 - r);
      }

      if (carry) {
        this.words[i] = carry;
        this.length++;
      }
    }

    if (s !== 0) {
      for (i = this.length - 1; i >= 0; i--) {
        this.words[i + s] = this.words[i];
      }

      for (i = 0; i < s; i++) {
        this.words[i] = 0;
      }

      this.length += s;
    }

    return this.strip();
  };

  BN.prototype.ishln = function ishln (bits) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushln(bits);
  };

  // Shift-right in-place
  // NOTE: `hint` is a lowest bit before trailing zeroes
  // NOTE: if `extended` is present - it will be filled with destroyed bits
  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
    assert(typeof bits === 'number' && bits >= 0);
    var h;
    if (hint) {
      h = (hint - (hint % 26)) / 26;
    } else {
      h = 0;
    }

    var r = bits % 26;
    var s = Math.min((bits - r) / 26, this.length);
    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
    var maskedWords = extended;

    h -= s;
    h = Math.max(0, h);

    // Extended mode, copy masked part
    if (maskedWords) {
      for (var i = 0; i < s; i++) {
        maskedWords.words[i] = this.words[i];
      }
      maskedWords.length = s;
    }

    if (s === 0) {
      // No-op, we should not move anything at all
    } else if (this.length > s) {
      this.length -= s;
      for (i = 0; i < this.length; i++) {
        this.words[i] = this.words[i + s];
      }
    } else {
      this.words[0] = 0;
      this.length = 1;
    }

    var carry = 0;
    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
      var word = this.words[i] | 0;
      this.words[i] = (carry << (26 - r)) | (word >>> r);
      carry = word & mask;
    }

    // Push carried bits as a mask
    if (maskedWords && carry !== 0) {
      maskedWords.words[maskedWords.length++] = carry;
    }

    if (this.length === 0) {
      this.words[0] = 0;
      this.length = 1;
    }

    return this.strip();
  };

  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
    // TODO(indutny): implement me
    assert(this.negative === 0);
    return this.iushrn(bits, hint, extended);
  };

  // Shift-left
  BN.prototype.shln = function shln (bits) {
    return this.clone().ishln(bits);
  };

  BN.prototype.ushln = function ushln (bits) {
    return this.clone().iushln(bits);
  };

  // Shift-right
  BN.prototype.shrn = function shrn (bits) {
    return this.clone().ishrn(bits);
  };

  BN.prototype.ushrn = function ushrn (bits) {
    return this.clone().iushrn(bits);
  };

  // Test if n bit is set
  BN.prototype.testn = function testn (bit) {
    assert(typeof bit === 'number' && bit >= 0);
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) return false;

    // Check bit and return
    var w = this.words[s];

    return !!(w & q);
  };

  // Return only lowers bits of number (in-place)
  BN.prototype.imaskn = function imaskn (bits) {
    assert(typeof bits === 'number' && bits >= 0);
    var r = bits % 26;
    var s = (bits - r) / 26;

    assert(this.negative === 0, 'imaskn works only with positive numbers');

    if (this.length <= s) {
      return this;
    }

    if (r !== 0) {
      s++;
    }
    this.length = Math.min(s, this.length);

    if (r !== 0) {
      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
      this.words[this.length - 1] &= mask;
    }

    return this.strip();
  };

  // Return only lowers bits of number
  BN.prototype.maskn = function maskn (bits) {
    return this.clone().imaskn(bits);
  };

  // Add plain number `num` to `this`
  BN.prototype.iaddn = function iaddn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.isubn(-num);

    // Possible sign change
    if (this.negative !== 0) {
      if (this.length === 1 && (this.words[0] | 0) < num) {
        this.words[0] = num - (this.words[0] | 0);
        this.negative = 0;
        return this;
      }

      this.negative = 0;
      this.isubn(num);
      this.negative = 1;
      return this;
    }

    // Add without checks
    return this._iaddn(num);
  };

  BN.prototype._iaddn = function _iaddn (num) {
    this.words[0] += num;

    // Carry
    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
      this.words[i] -= 0x4000000;
      if (i === this.length - 1) {
        this.words[i + 1] = 1;
      } else {
        this.words[i + 1]++;
      }
    }
    this.length = Math.max(this.length, i + 1);

    return this;
  };

  // Subtract plain number `num` from `this`
  BN.prototype.isubn = function isubn (num) {
    assert(typeof num === 'number');
    assert(num < 0x4000000);
    if (num < 0) return this.iaddn(-num);

    if (this.negative !== 0) {
      this.negative = 0;
      this.iaddn(num);
      this.negative = 1;
      return this;
    }

    this.words[0] -= num;

    if (this.length === 1 && this.words[0] < 0) {
      this.words[0] = -this.words[0];
      this.negative = 1;
    } else {
      // Carry
      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
        this.words[i] += 0x4000000;
        this.words[i + 1] -= 1;
      }
    }

    return this.strip();
  };

  BN.prototype.addn = function addn (num) {
    return this.clone().iaddn(num);
  };

  BN.prototype.subn = function subn (num) {
    return this.clone().isubn(num);
  };

  BN.prototype.iabs = function iabs () {
    this.negative = 0;

    return this;
  };

  BN.prototype.abs = function abs () {
    return this.clone().iabs();
  };

  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
    var len = num.length + shift;
    var i;

    this._expand(len);

    var w;
    var carry = 0;
    for (i = 0; i < num.length; i++) {
      w = (this.words[i + shift] | 0) + carry;
      var right = (num.words[i] | 0) * mul;
      w -= right & 0x3ffffff;
      carry = (w >> 26) - ((right / 0x4000000) | 0);
      this.words[i + shift] = w & 0x3ffffff;
    }
    for (; i < this.length - shift; i++) {
      w = (this.words[i + shift] | 0) + carry;
      carry = w >> 26;
      this.words[i + shift] = w & 0x3ffffff;
    }

    if (carry === 0) return this.strip();

    // Subtraction overflow
    assert(carry === -1);
    carry = 0;
    for (i = 0; i < this.length; i++) {
      w = -(this.words[i] | 0) + carry;
      carry = w >> 26;
      this.words[i] = w & 0x3ffffff;
    }
    this.negative = 1;

    return this.strip();
  };

  BN.prototype._wordDiv = function _wordDiv (num, mode) {
    var shift = this.length - num.length;

    var a = this.clone();
    var b = num;

    // Normalize
    var bhi = b.words[b.length - 1] | 0;
    var bhiBits = this._countBits(bhi);
    shift = 26 - bhiBits;
    if (shift !== 0) {
      b = b.ushln(shift);
      a.iushln(shift);
      bhi = b.words[b.length - 1] | 0;
    }

    // Initialize quotient
    var m = a.length - b.length;
    var q;

    if (mode !== 'mod') {
      q = new BN(null);
      q.length = m + 1;
      q.words = new Array(q.length);
      for (var i = 0; i < q.length; i++) {
        q.words[i] = 0;
      }
    }

    var diff = a.clone()._ishlnsubmul(b, 1, m);
    if (diff.negative === 0) {
      a = diff;
      if (q) {
        q.words[m] = 1;
      }
    }

    for (var j = m - 1; j >= 0; j--) {
      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
        (a.words[b.length + j - 1] | 0);

      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
      // (0x7ffffff)
      qj = Math.min((qj / bhi) | 0, 0x3ffffff);

      a._ishlnsubmul(b, qj, j);
      while (a.negative !== 0) {
        qj--;
        a.negative = 0;
        a._ishlnsubmul(b, 1, j);
        if (!a.isZero()) {
          a.negative ^= 1;
        }
      }
      if (q) {
        q.words[j] = qj;
      }
    }
    if (q) {
      q.strip();
    }
    a.strip();

    // Denormalize
    if (mode !== 'div' && shift !== 0) {
      a.iushrn(shift);
    }

    return {
      div: q || null,
      mod: a
    };
  };

  // NOTE: 1) `mode` can be set to `mod` to request mod only,
  //       to `div` to request div only, or be absent to
  //       request both div & mod
  //       2) `positive` is true if unsigned mod is requested
  BN.prototype.divmod = function divmod (num, mode, positive) {
    assert(!num.isZero());

    if (this.isZero()) {
      return {
        div: new BN(0),
        mod: new BN(0)
      };
    }

    var div, mod, res;
    if (this.negative !== 0 && num.negative === 0) {
      res = this.neg().divmod(num, mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.iadd(num);
        }
      }

      return {
        div: div,
        mod: mod
      };
    }

    if (this.negative === 0 && num.negative !== 0) {
      res = this.divmod(num.neg(), mode);

      if (mode !== 'mod') {
        div = res.div.neg();
      }

      return {
        div: div,
        mod: res.mod
      };
    }

    if ((this.negative & num.negative) !== 0) {
      res = this.neg().divmod(num.neg(), mode);

      if (mode !== 'div') {
        mod = res.mod.neg();
        if (positive && mod.negative !== 0) {
          mod.isub(num);
        }
      }

      return {
        div: res.div,
        mod: mod
      };
    }

    // Both numbers are positive at this point

    // Strip both numbers to approximate shift value
    if (num.length > this.length || this.cmp(num) < 0) {
      return {
        div: new BN(0),
        mod: this
      };
    }

    // Very short reduction
    if (num.length === 1) {
      if (mode === 'div') {
        return {
          div: this.divn(num.words[0]),
          mod: null
        };
      }

      if (mode === 'mod') {
        return {
          div: null,
          mod: new BN(this.modn(num.words[0]))
        };
      }

      return {
        div: this.divn(num.words[0]),
        mod: new BN(this.modn(num.words[0]))
      };
    }

    return this._wordDiv(num, mode);
  };

  // Find `this` / `num`
  BN.prototype.div = function div (num) {
    return this.divmod(num, 'div', false).div;
  };

  // Find `this` % `num`
  BN.prototype.mod = function mod (num) {
    return this.divmod(num, 'mod', false).mod;
  };

  BN.prototype.umod = function umod (num) {
    return this.divmod(num, 'mod', true).mod;
  };

  // Find Round(`this` / `num`)
  BN.prototype.divRound = function divRound (num) {
    var dm = this.divmod(num);

    // Fast case - exact division
    if (dm.mod.isZero()) return dm.div;

    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;

    var half = num.ushrn(1);
    var r2 = num.andln(1);
    var cmp = mod.cmp(half);

    // Round down
    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;

    // Round up
    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
  };

  BN.prototype.modn = function modn (num) {
    assert(num <= 0x3ffffff);
    var p = (1 << 26) % num;

    var acc = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      acc = (p * acc + (this.words[i] | 0)) % num;
    }

    return acc;
  };

  // In-place division by number
  BN.prototype.idivn = function idivn (num) {
    assert(num <= 0x3ffffff);

    var carry = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var w = (this.words[i] | 0) + carry * 0x4000000;
      this.words[i] = (w / num) | 0;
      carry = w % num;
    }

    return this.strip();
  };

  BN.prototype.divn = function divn (num) {
    return this.clone().idivn(num);
  };

  BN.prototype.egcd = function egcd (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var x = this;
    var y = p.clone();

    if (x.negative !== 0) {
      x = x.umod(p);
    } else {
      x = x.clone();
    }

    // A * x + B * y = x
    var A = new BN(1);
    var B = new BN(0);

    // C * x + D * y = y
    var C = new BN(0);
    var D = new BN(1);

    var g = 0;

    while (x.isEven() && y.isEven()) {
      x.iushrn(1);
      y.iushrn(1);
      ++g;
    }

    var yp = y.clone();
    var xp = x.clone();

    while (!x.isZero()) {
      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        x.iushrn(i);
        while (i-- > 0) {
          if (A.isOdd() || B.isOdd()) {
            A.iadd(yp);
            B.isub(xp);
          }

          A.iushrn(1);
          B.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        y.iushrn(j);
        while (j-- > 0) {
          if (C.isOdd() || D.isOdd()) {
            C.iadd(yp);
            D.isub(xp);
          }

          C.iushrn(1);
          D.iushrn(1);
        }
      }

      if (x.cmp(y) >= 0) {
        x.isub(y);
        A.isub(C);
        B.isub(D);
      } else {
        y.isub(x);
        C.isub(A);
        D.isub(B);
      }
    }

    return {
      a: C,
      b: D,
      gcd: y.iushln(g)
    };
  };

  // This is reduced incarnation of the binary EEA
  // above, designated to invert members of the
  // _prime_ fields F(p) at a maximal speed
  BN.prototype._invmp = function _invmp (p) {
    assert(p.negative === 0);
    assert(!p.isZero());

    var a = this;
    var b = p.clone();

    if (a.negative !== 0) {
      a = a.umod(p);
    } else {
      a = a.clone();
    }

    var x1 = new BN(1);
    var x2 = new BN(0);

    var delta = b.clone();

    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
      if (i > 0) {
        a.iushrn(i);
        while (i-- > 0) {
          if (x1.isOdd()) {
            x1.iadd(delta);
          }

          x1.iushrn(1);
        }
      }

      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
      if (j > 0) {
        b.iushrn(j);
        while (j-- > 0) {
          if (x2.isOdd()) {
            x2.iadd(delta);
          }

          x2.iushrn(1);
        }
      }

      if (a.cmp(b) >= 0) {
        a.isub(b);
        x1.isub(x2);
      } else {
        b.isub(a);
        x2.isub(x1);
      }
    }

    var res;
    if (a.cmpn(1) === 0) {
      res = x1;
    } else {
      res = x2;
    }

    if (res.cmpn(0) < 0) {
      res.iadd(p);
    }

    return res;
  };

  BN.prototype.gcd = function gcd (num) {
    if (this.isZero()) return num.abs();
    if (num.isZero()) return this.abs();

    var a = this.clone();
    var b = num.clone();
    a.negative = 0;
    b.negative = 0;

    // Remove common factor of two
    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
      a.iushrn(1);
      b.iushrn(1);
    }

    do {
      while (a.isEven()) {
        a.iushrn(1);
      }
      while (b.isEven()) {
        b.iushrn(1);
      }

      var r = a.cmp(b);
      if (r < 0) {
        // Swap `a` and `b` to make `a` always bigger than `b`
        var t = a;
        a = b;
        b = t;
      } else if (r === 0 || b.cmpn(1) === 0) {
        break;
      }

      a.isub(b);
    } while (true);

    return b.iushln(shift);
  };

  // Invert number in the field F(num)
  BN.prototype.invm = function invm (num) {
    return this.egcd(num).a.umod(num);
  };

  BN.prototype.isEven = function isEven () {
    return (this.words[0] & 1) === 0;
  };

  BN.prototype.isOdd = function isOdd () {
    return (this.words[0] & 1) === 1;
  };

  // And first word and num
  BN.prototype.andln = function andln (num) {
    return this.words[0] & num;
  };

  // Increment at the bit position in-line
  BN.prototype.bincn = function bincn (bit) {
    assert(typeof bit === 'number');
    var r = bit % 26;
    var s = (bit - r) / 26;
    var q = 1 << r;

    // Fast case: bit is much higher than all existing words
    if (this.length <= s) {
      this._expand(s + 1);
      this.words[s] |= q;
      return this;
    }

    // Add bit and propagate, if needed
    var carry = q;
    for (var i = s; carry !== 0 && i < this.length; i++) {
      var w = this.words[i] | 0;
      w += carry;
      carry = w >>> 26;
      w &= 0x3ffffff;
      this.words[i] = w;
    }
    if (carry !== 0) {
      this.words[i] = carry;
      this.length++;
    }
    return this;
  };

  BN.prototype.isZero = function isZero () {
    return this.length === 1 && this.words[0] === 0;
  };

  BN.prototype.cmpn = function cmpn (num) {
    var negative = num < 0;

    if (this.negative !== 0 && !negative) return -1;
    if (this.negative === 0 && negative) return 1;

    this.strip();

    var res;
    if (this.length > 1) {
      res = 1;
    } else {
      if (negative) {
        num = -num;
      }

      assert(num <= 0x3ffffff, 'Number is too big');

      var w = this.words[0] | 0;
      res = w === num ? 0 : w < num ? -1 : 1;
    }
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Compare two numbers and return:
  // 1 - if `this` > `num`
  // 0 - if `this` == `num`
  // -1 - if `this` < `num`
  BN.prototype.cmp = function cmp (num) {
    if (this.negative !== 0 && num.negative === 0) return -1;
    if (this.negative === 0 && num.negative !== 0) return 1;

    var res = this.ucmp(num);
    if (this.negative !== 0) return -res | 0;
    return res;
  };

  // Unsigned comparison
  BN.prototype.ucmp = function ucmp (num) {
    // At this point both numbers have the same sign
    if (this.length > num.length) return 1;
    if (this.length < num.length) return -1;

    var res = 0;
    for (var i = this.length - 1; i >= 0; i--) {
      var a = this.words[i] | 0;
      var b = num.words[i] | 0;

      if (a === b) continue;
      if (a < b) {
        res = -1;
      } else if (a > b) {
        res = 1;
      }
      break;
    }
    return res;
  };

  BN.prototype.gtn = function gtn (num) {
    return this.cmpn(num) === 1;
  };

  BN.prototype.gt = function gt (num) {
    return this.cmp(num) === 1;
  };

  BN.prototype.gten = function gten (num) {
    return this.cmpn(num) >= 0;
  };

  BN.prototype.gte = function gte (num) {
    return this.cmp(num) >= 0;
  };

  BN.prototype.ltn = function ltn (num) {
    return this.cmpn(num) === -1;
  };

  BN.prototype.lt = function lt (num) {
    return this.cmp(num) === -1;
  };

  BN.prototype.lten = function lten (num) {
    return this.cmpn(num) <= 0;
  };

  BN.prototype.lte = function lte (num) {
    return this.cmp(num) <= 0;
  };

  BN.prototype.eqn = function eqn (num) {
    return this.cmpn(num) === 0;
  };

  BN.prototype.eq = function eq (num) {
    return this.cmp(num) === 0;
  };

  //
  // A reduce context, could be using montgomery or something better, depending
  // on the `m` itself.
  //
  BN.red = function red (num) {
    return new Red(num);
  };

  BN.prototype.toRed = function toRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    assert(this.negative === 0, 'red works only with positives');
    return ctx.convertTo(this)._forceRed(ctx);
  };

  BN.prototype.fromRed = function fromRed () {
    assert(this.red, 'fromRed works only with numbers in reduction context');
    return this.red.convertFrom(this);
  };

  BN.prototype._forceRed = function _forceRed (ctx) {
    this.red = ctx;
    return this;
  };

  BN.prototype.forceRed = function forceRed (ctx) {
    assert(!this.red, 'Already a number in reduction context');
    return this._forceRed(ctx);
  };

  BN.prototype.redAdd = function redAdd (num) {
    assert(this.red, 'redAdd works only with red numbers');
    return this.red.add(this, num);
  };

  BN.prototype.redIAdd = function redIAdd (num) {
    assert(this.red, 'redIAdd works only with red numbers');
    return this.red.iadd(this, num);
  };

  BN.prototype.redSub = function redSub (num) {
    assert(this.red, 'redSub works only with red numbers');
    return this.red.sub(this, num);
  };

  BN.prototype.redISub = function redISub (num) {
    assert(this.red, 'redISub works only with red numbers');
    return this.red.isub(this, num);
  };

  BN.prototype.redShl = function redShl (num) {
    assert(this.red, 'redShl works only with red numbers');
    return this.red.shl(this, num);
  };

  BN.prototype.redMul = function redMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.mul(this, num);
  };

  BN.prototype.redIMul = function redIMul (num) {
    assert(this.red, 'redMul works only with red numbers');
    this.red._verify2(this, num);
    return this.red.imul(this, num);
  };

  BN.prototype.redSqr = function redSqr () {
    assert(this.red, 'redSqr works only with red numbers');
    this.red._verify1(this);
    return this.red.sqr(this);
  };

  BN.prototype.redISqr = function redISqr () {
    assert(this.red, 'redISqr works only with red numbers');
    this.red._verify1(this);
    return this.red.isqr(this);
  };

  // Square root over p
  BN.prototype.redSqrt = function redSqrt () {
    assert(this.red, 'redSqrt works only with red numbers');
    this.red._verify1(this);
    return this.red.sqrt(this);
  };

  BN.prototype.redInvm = function redInvm () {
    assert(this.red, 'redInvm works only with red numbers');
    this.red._verify1(this);
    return this.red.invm(this);
  };

  // Return negative clone of `this` % `red modulo`
  BN.prototype.redNeg = function redNeg () {
    assert(this.red, 'redNeg works only with red numbers');
    this.red._verify1(this);
    return this.red.neg(this);
  };

  BN.prototype.redPow = function redPow (num) {
    assert(this.red && !num.red, 'redPow(normalNum)');
    this.red._verify1(this);
    return this.red.pow(this, num);
  };

  // Prime numbers with efficient reduction
  var primes = {
    k256: null,
    p224: null,
    p192: null,
    p25519: null
  };

  // Pseudo-Mersenne prime
  function MPrime (name, p) {
    // P = 2 ^ N - K
    this.name = name;
    this.p = new BN(p, 16);
    this.n = this.p.bitLength();
    this.k = new BN(1).iushln(this.n).isub(this.p);

    this.tmp = this._tmp();
  }

  MPrime.prototype._tmp = function _tmp () {
    var tmp = new BN(null);
    tmp.words = new Array(Math.ceil(this.n / 13));
    return tmp;
  };

  MPrime.prototype.ireduce = function ireduce (num) {
    // Assumes that `num` is less than `P^2`
    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
    var r = num;
    var rlen;

    do {
      this.split(r, this.tmp);
      r = this.imulK(r);
      r = r.iadd(this.tmp);
      rlen = r.bitLength();
    } while (rlen > this.n);

    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
    if (cmp === 0) {
      r.words[0] = 0;
      r.length = 1;
    } else if (cmp > 0) {
      r.isub(this.p);
    } else {
      if (r.strip !== undefined) {
        // r is BN v4 instance
        r.strip();
      } else {
        // r is BN v5 instance
        r._strip();
      }
    }

    return r;
  };

  MPrime.prototype.split = function split (input, out) {
    input.iushrn(this.n, 0, out);
  };

  MPrime.prototype.imulK = function imulK (num) {
    return num.imul(this.k);
  };

  function K256 () {
    MPrime.call(
      this,
      'k256',
      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
  }
  inherits(K256, MPrime);

  K256.prototype.split = function split (input, output) {
    // 256 = 9 * 26 + 22
    var mask = 0x3fffff;

    var outLen = Math.min(input.length, 9);
    for (var i = 0; i < outLen; i++) {
      output.words[i] = input.words[i];
    }
    output.length = outLen;

    if (input.length <= 9) {
      input.words[0] = 0;
      input.length = 1;
      return;
    }

    // Shift by 9 limbs
    var prev = input.words[9];
    output.words[output.length++] = prev & mask;

    for (i = 10; i < input.length; i++) {
      var next = input.words[i] | 0;
      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
      prev = next;
    }
    prev >>>= 22;
    input.words[i - 10] = prev;
    if (prev === 0 && input.length > 10) {
      input.length -= 10;
    } else {
      input.length -= 9;
    }
  };

  K256.prototype.imulK = function imulK (num) {
    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
    num.words[num.length] = 0;
    num.words[num.length + 1] = 0;
    num.length += 2;

    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
    var lo = 0;
    for (var i = 0; i < num.length; i++) {
      var w = num.words[i] | 0;
      lo += w * 0x3d1;
      num.words[i] = lo & 0x3ffffff;
      lo = w * 0x40 + ((lo / 0x4000000) | 0);
    }

    // Fast length reduction
    if (num.words[num.length - 1] === 0) {
      num.length--;
      if (num.words[num.length - 1] === 0) {
        num.length--;
      }
    }
    return num;
  };

  function P224 () {
    MPrime.call(
      this,
      'p224',
      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
  }
  inherits(P224, MPrime);

  function P192 () {
    MPrime.call(
      this,
      'p192',
      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
  }
  inherits(P192, MPrime);

  function P25519 () {
    // 2 ^ 255 - 19
    MPrime.call(
      this,
      '25519',
      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
  }
  inherits(P25519, MPrime);

  P25519.prototype.imulK = function imulK (num) {
    // K = 0x13
    var carry = 0;
    for (var i = 0; i < num.length; i++) {
      var hi = (num.words[i] | 0) * 0x13 + carry;
      var lo = hi & 0x3ffffff;
      hi >>>= 26;

      num.words[i] = lo;
      carry = hi;
    }
    if (carry !== 0) {
      num.words[num.length++] = carry;
    }
    return num;
  };

  // Exported mostly for testing purposes, use plain name instead
  BN._prime = function prime (name) {
    // Cached version of prime
    if (primes[name]) return primes[name];

    var prime;
    if (name === 'k256') {
      prime = new K256();
    } else if (name === 'p224') {
      prime = new P224();
    } else if (name === 'p192') {
      prime = new P192();
    } else if (name === 'p25519') {
      prime = new P25519();
    } else {
      throw new Error('Unknown prime ' + name);
    }
    primes[name] = prime;

    return prime;
  };

  //
  // Base reduction engine
  //
  function Red (m) {
    if (typeof m === 'string') {
      var prime = BN._prime(m);
      this.m = prime.p;
      this.prime = prime;
    } else {
      assert(m.gtn(1), 'modulus must be greater than 1');
      this.m = m;
      this.prime = null;
    }
  }

  Red.prototype._verify1 = function _verify1 (a) {
    assert(a.negative === 0, 'red works only with positives');
    assert(a.red, 'red works only with red numbers');
  };

  Red.prototype._verify2 = function _verify2 (a, b) {
    assert((a.negative | b.negative) === 0, 'red works only with positives');
    assert(a.red && a.red === b.red,
      'red works only with red numbers');
  };

  Red.prototype.imod = function imod (a) {
    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
    return a.umod(this.m)._forceRed(this);
  };

  Red.prototype.neg = function neg (a) {
    if (a.isZero()) {
      return a.clone();
    }

    return this.m.sub(a)._forceRed(this);
  };

  Red.prototype.add = function add (a, b) {
    this._verify2(a, b);

    var res = a.add(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.iadd = function iadd (a, b) {
    this._verify2(a, b);

    var res = a.iadd(b);
    if (res.cmp(this.m) >= 0) {
      res.isub(this.m);
    }
    return res;
  };

  Red.prototype.sub = function sub (a, b) {
    this._verify2(a, b);

    var res = a.sub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res._forceRed(this);
  };

  Red.prototype.isub = function isub (a, b) {
    this._verify2(a, b);

    var res = a.isub(b);
    if (res.cmpn(0) < 0) {
      res.iadd(this.m);
    }
    return res;
  };

  Red.prototype.shl = function shl (a, num) {
    this._verify1(a);
    return this.imod(a.ushln(num));
  };

  Red.prototype.imul = function imul (a, b) {
    this._verify2(a, b);
    return this.imod(a.imul(b));
  };

  Red.prototype.mul = function mul (a, b) {
    this._verify2(a, b);
    return this.imod(a.mul(b));
  };

  Red.prototype.isqr = function isqr (a) {
    return this.imul(a, a.clone());
  };

  Red.prototype.sqr = function sqr (a) {
    return this.mul(a, a);
  };

  Red.prototype.sqrt = function sqrt (a) {
    if (a.isZero()) return a.clone();

    var mod3 = this.m.andln(3);
    assert(mod3 % 2 === 1);

    // Fast case
    if (mod3 === 3) {
      var pow = this.m.add(new BN(1)).iushrn(2);
      return this.pow(a, pow);
    }

    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
    //
    // Find Q and S, that Q * 2 ^ S = (P - 1)
    var q = this.m.subn(1);
    var s = 0;
    while (!q.isZero() && q.andln(1) === 0) {
      s++;
      q.iushrn(1);
    }
    assert(!q.isZero());

    var one = new BN(1).toRed(this);
    var nOne = one.redNeg();

    // Find quadratic non-residue
    // NOTE: Max is such because of generalized Riemann hypothesis.
    var lpow = this.m.subn(1).iushrn(1);
    var z = this.m.bitLength();
    z = new BN(2 * z * z).toRed(this);

    while (this.pow(z, lpow).cmp(nOne) !== 0) {
      z.redIAdd(nOne);
    }

    var c = this.pow(z, q);
    var r = this.pow(a, q.addn(1).iushrn(1));
    var t = this.pow(a, q);
    var m = s;
    while (t.cmp(one) !== 0) {
      var tmp = t;
      for (var i = 0; tmp.cmp(one) !== 0; i++) {
        tmp = tmp.redSqr();
      }
      assert(i < m);
      var b = this.pow(c, new BN(1).iushln(m - i - 1));

      r = r.redMul(b);
      c = b.redSqr();
      t = t.redMul(c);
      m = i;
    }

    return r;
  };

  Red.prototype.invm = function invm (a) {
    var inv = a._invmp(this.m);
    if (inv.negative !== 0) {
      inv.negative = 0;
      return this.imod(inv).redNeg();
    } else {
      return this.imod(inv);
    }
  };

  Red.prototype.pow = function pow (a, num) {
    if (num.isZero()) return new BN(1).toRed(this);
    if (num.cmpn(1) === 0) return a.clone();

    var windowSize = 4;
    var wnd = new Array(1 << windowSize);
    wnd[0] = new BN(1).toRed(this);
    wnd[1] = a;
    for (var i = 2; i < wnd.length; i++) {
      wnd[i] = this.mul(wnd[i - 1], a);
    }

    var res = wnd[0];
    var current = 0;
    var currentLen = 0;
    var start = num.bitLength() % 26;
    if (start === 0) {
      start = 26;
    }

    for (i = num.length - 1; i >= 0; i--) {
      var word = num.words[i];
      for (var j = start - 1; j >= 0; j--) {
        var bit = (word >> j) & 1;
        if (res !== wnd[0]) {
          res = this.sqr(res);
        }

        if (bit === 0 && current === 0) {
          currentLen = 0;
          continue;
        }

        current <<= 1;
        current |= bit;
        currentLen++;
        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;

        res = this.mul(res, wnd[current]);
        currentLen = 0;
        current = 0;
      }
      start = 26;
    }

    return res;
  };

  Red.prototype.convertTo = function convertTo (num) {
    var r = num.umod(this.m);

    return r === num ? r.clone() : r;
  };

  Red.prototype.convertFrom = function convertFrom (num) {
    var res = num.clone();
    res.red = null;
    return res;
  };

  //
  // Montgomery method engine
  //

  BN.mont = function mont (num) {
    return new Mont(num);
  };

  function Mont (m) {
    Red.call(this, m);

    this.shift = this.m.bitLength();
    if (this.shift % 26 !== 0) {
      this.shift += 26 - (this.shift % 26);
    }

    this.r = new BN(1).iushln(this.shift);
    this.r2 = this.imod(this.r.sqr());
    this.rinv = this.r._invmp(this.m);

    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
    this.minv = this.minv.umod(this.r);
    this.minv = this.r.sub(this.minv);
  }
  inherits(Mont, Red);

  Mont.prototype.convertTo = function convertTo (num) {
    return this.imod(num.ushln(this.shift));
  };

  Mont.prototype.convertFrom = function convertFrom (num) {
    var r = this.imod(num.mul(this.rinv));
    r.red = null;
    return r;
  };

  Mont.prototype.imul = function imul (a, b) {
    if (a.isZero() || b.isZero()) {
      a.words[0] = 0;
      a.length = 1;
      return a;
    }

    var t = a.imul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;

    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.mul = function mul (a, b) {
    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);

    var t = a.mul(b);
    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
    var u = t.isub(c).iushrn(this.shift);
    var res = u;
    if (u.cmp(this.m) >= 0) {
      res = u.isub(this.m);
    } else if (u.cmpn(0) < 0) {
      res = u.iadd(this.m);
    }

    return res._forceRed(this);
  };

  Mont.prototype.invm = function invm (a) {
    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
    var res = this.imod(a._invmp(this.m).mul(this.r2));
    return res._forceRed(this);
  };
})( false || module, this);


/***/ }),

/***/ 44142:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
const createHmac = __webpack_require__(58355)

const ONE1 = Buffer.alloc(1, 1)
const ZERO1 = Buffer.alloc(1, 0)

// https://tools.ietf.org/html/rfc6979#section-3.2
function deterministicGenerateK (hash, x, checkSig, isPrivate, extraEntropy) {
  // Step A, ignored as hash already provided
  // Step B
  // Step C
  let k = Buffer.alloc(32, 0)
  let v = Buffer.alloc(32, 1)

  // Step D
  k = createHmac('sha256', k)
    .update(v)
    .update(ZERO1)
    .update(x)
    .update(hash)
    .update(extraEntropy || '')
    .digest()

  // Step E
  v = createHmac('sha256', k).update(v).digest()

  // Step F
  k = createHmac('sha256', k)
    .update(v)
    .update(ONE1)
    .update(x)
    .update(hash)
    .update(extraEntropy || '')
    .digest()

  // Step G
  v = createHmac('sha256', k).update(v).digest()

  // Step H1/H2a, ignored as tlen === qlen (256 bit)
  // Step H2b
  v = createHmac('sha256', k).update(v).digest()

  let T = v

  // Step H3, repeat until T is within the interval [1, n - 1] and is suitable for ECDSA
  while (!isPrivate(T) || !checkSig(T)) {
    k = createHmac('sha256', k)
      .update(v)
      .update(ZERO1)
      .digest()

    v = createHmac('sha256', k).update(v).digest()

    // Step H1/H2a, again, ignored as tlen === qlen (256 bit)
    // Step H2b again
    v = createHmac('sha256', k).update(v).digest()
    T = v
  }

  return T
}

module.exports = deterministicGenerateK


/***/ }),

/***/ 63607:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
//export * from './xrpIO/ripple-binding'
__exportStar(__webpack_require__(92153), exports);
__exportStar(__webpack_require__(51971), exports);
//export * from 'ripple-lib'
//export { RippleAPI } from 'ripple-lib'
__exportStar(__webpack_require__(54396), exports);


/***/ }),

/***/ 70542:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.ERR_NO_VERIFY_OWNER = exports.ERR_BAD_TX_HASH = void 0;
const ERR_BAD_TX_HASH = (hash) => new Error(`Bad tx hash format: "${hash}"`);
exports.ERR_BAD_TX_HASH = ERR_BAD_TX_HASH;
const ERR_NO_VERIFY_OWNER = (hash, actualAccount, desiredAccount) => new Error(`Expected tx "${hash}" to be initiated by ${desiredAccount} but was ${actualAccount}`);
exports.ERR_NO_VERIFY_OWNER = ERR_NO_VERIFY_OWNER;


/***/ }),

/***/ 51971:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.MIN_XRP_TX_VALUE = exports.MIN_XRP_FEE = exports.AMOUNT_FORMAT = exports.MAX_SUPPLY = exports.AMOUNT_DECIMALS = exports.MSG_FORMAT = exports.SIGNER_FORMAT = exports.SIGNATURE_FORMAT = exports.DATA_FORMAT = exports.PTR_FORMAT = exports.NON_ZERO_TX_HASH = exports.PUBKEY_LEN = exports.MSG_DATA_MAX = exports.MSG_DELIM = void 0;
exports.MSG_DELIM = ' ';
exports.MSG_DATA_MAX = 925;
exports.PUBKEY_LEN = 66;
exports.NON_ZERO_TX_HASH = new RegExp(`[0-9A-F]{64}`);
exports.PTR_FORMAT = new RegExp(`^((${exports.NON_ZERO_TX_HASH.source})|0)`);
exports.DATA_FORMAT = new RegExp(`(.{1,${exports.MSG_DATA_MAX}})`);
exports.SIGNATURE_FORMAT = new RegExp(`(\\S{140}|\\S{142})$`);
exports.SIGNER_FORMAT = new RegExp(`(\\S{${exports.PUBKEY_LEN}})`);
exports.MSG_FORMAT = new RegExp(`${exports.PTR_FORMAT.source}${exports.MSG_DELIM}${exports.DATA_FORMAT.source}`, 'm');
exports.AMOUNT_DECIMALS = 18;
exports.MAX_SUPPLY = 20_000_000;
exports.AMOUNT_FORMAT = new RegExp(`\d+(\.\d{1,${exports.AMOUNT_DECIMALS}})?`);
exports.MIN_XRP_FEE = "0.00001";
exports.MIN_XRP_TX_VALUE = "0.000001";


/***/ }),

/***/ 92153:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.defaultOptions = void 0;
exports.defaultOptions = {
    debug: false,
    connectionTimeout: 100000,
    readFreshApi: true,
    readMaxRetry: -1,
    readRetryTimeout: 1000
};


/***/ }),

/***/ 54396:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.xrpIO = void 0;
const types_1 = __webpack_require__(92153);
const xrpl_1 = __webpack_require__(48726);
const zlib = __importStar(__webpack_require__(42635));
const util = __importStar(__webpack_require__(89539));
const protocol_constants_1 = __webpack_require__(51971);
const errors_1 = __webpack_require__(70542);
const compressB64 = async (data) => (await util.promisify(zlib.deflate)(Buffer.from(data, 'utf-8'))).toString('base64');
const decompressB64 = async (data) => (await util.promisify(zlib.inflate)(Buffer.from(data, 'base64'))).toString('utf-8');
const hexDecode = (str) => Buffer.from(str, 'hex').toString('utf8');
const hexEncode = (str) => Buffer.from(str, 'utf8').toString('hex').toUpperCase();
const chunkString = (str, length) => str.match(new RegExp('.{1,' + length + '}', 'gs'));
const genRandHex = size => [...Array(size)].map(() => Math.floor(Math.random() * 16).toString(16)).join('');
const PAYLOAD_SIZE = 925;
const XRP_PER_DROP = 0.000001;
const DROP_PER_XRP = 1000000;
class xrpIO {
    server;
    options;
    api;
    constructor(server, options = types_1.defaultOptions) {
        this.server = server;
        this.options = options;
        this.options.debug = options.debug ? Boolean(options.debug) : types_1.defaultOptions.debug;
        this.options.connectionTimeout = options.connectionTimeout ? Number(options.connectionTimeout) : types_1.defaultOptions.connectionTimeout;
        this.options.readMaxRetry = options.readMaxRetry ? Number(options.readMaxRetry) : types_1.defaultOptions.readMaxRetry;
        this.options.readRetryTimeout = options.readRetryTimeout ? Number(options.readRetryTimeout) : types_1.defaultOptions.readRetryTimeout;
        this.api = new xrpl_1.Client(server, {
            connectionTimeout: this.options.connectionTimeout
        });
    }
    async connect() {
        if (!this.api.isConnected())
            await this.api.connect();
    }
    async disconnect() {
        try {
            await this.api.disconnect();
        }
        catch (e) {
            console.log("DISCONNECT ERROR", e);
        }
    }
    async cloneApi() {
        let _api = new xrpl_1.Client(this.server, {
            connectionTimeout: this.options.connectionTimeout
        });
        while (!_api.isConnected()) {
            try {
                await _api.connect();
                return _api;
            }
            catch (e) {
                this.dbg('CLONEAPI ERR', 'Connection failed', String(e['message']));
                await _api.disconnect();
                _api = new xrpl_1.Client(this.server, {
                    connectionTimeout: this.options.connectionTimeout
                });
            }
        }
    }
    async sendPayment(data, to, secret, sequence, amount = "1") {
        const wallet = xrpl_1.Wallet.fromSecret(secret);
        this.dbg("Sending payment", wallet.address, '->', to);
        const _api = await this.cloneApi();
        try {
            const payment = await _api.autofill({
                TransactionType: 'Payment',
                Account: wallet.address,
                Destination: to,
                Sequence: sequence,
                Amount: amount,
                Memos: [{
                        Memo: {
                            MemoData: hexEncode(data.data || ""),
                            MemoFormat: hexEncode(data.format || ""),
                            MemoType: hexEncode(data.type || "")
                        }
                    }]
            });
            const response = await _api.submitAndWait(payment, { wallet });
            await _api.disconnect();
            this.dbg("Tx finalized", response.result.hash, response.result.Sequence);
            return response;
        }
        catch (error) {
            this.dbg("SENDPAYMENT ERROR", error);
            await _api.disconnect();
            throw error;
        }
    }
    async writeRaw(data, to, secret, sequence, amount = "1") {
        this.dbg("Writing data", data);
        const tx = await this.sendPayment(data, to, secret, sequence, amount);
        return tx.result.hash;
    }
    async getTransaction(hash, retry = 0) {
        this.dbg("Getting Tx", hash);
        try {
            return await this.api.request({
                command: 'tx',
                transaction: hash,
            });
        }
        catch (e) {
            this.dbg(e);
            if (this.options.readMaxRetry != -1) {
                if (retry >= this.options.readMaxRetry)
                    console.error("Retry limit exceeded for", hash, ". This is an irrecoverable error");
                throw e;
            }
            await new Promise(res => setTimeout(res, this.options.readRetryTimeout));
            return await this.getTransaction(hash, retry + 1);
        }
    }
    async readRaw(hash, verifyOwner) {
        if (!protocol_constants_1.NON_ZERO_TX_HASH.test(hash)) {
            throw (0, errors_1.ERR_BAD_TX_HASH)(hash);
        }
        const tx = await this.getTransaction(hash);
        if (verifyOwner && tx.result.Account != verifyOwner) {
            throw (0, errors_1.ERR_NO_VERIFY_OWNER)(hash, tx.result.Account, verifyOwner);
        }
        const memo = tx.result.Memos[0].Memo;
        const memoParsed = {
            data: hexDecode(memo.MemoData),
            format: hexDecode(memo.MemoFormat),
            type: hexDecode(memo.MemoType)
        };
        this.dbg(hash, "data", memoParsed);
        return memoParsed;
    }
    async treeWrite(data, to, secret, format = 'L') {
        const wallet = xrpl_1.Wallet.fromSecret(secret);
        data = await compressB64(data);
        const chunks = chunkString(data, PAYLOAD_SIZE);
        const latestSequence = await this.getAccountSequence(wallet.address);
        const hashes = await Promise.all(Object.entries(chunks).map(([i, chunk]) => this.writeRaw({ data: chunk, format: format }, to, secret, latestSequence + Number(i))));
        if (hashes.length === 1) {
            return hashes[0];
        }
        return await this.treeWrite(JSON.stringify(hashes), to, secret, 'N');
    }
    async treeRead(hashes, verifyOwner) {
        const bad_hash = hashes.find(hash => !protocol_constants_1.NON_ZERO_TX_HASH.test(hash));
        if (bad_hash)
            throw (0, errors_1.ERR_BAD_TX_HASH)(bad_hash);
        const memos = await Promise.all(hashes.map(hash => this.readRaw(hash, verifyOwner)));
        const payload = await decompressB64(memos.map(memo => memo.data).join(''));
        if (memos.some(memo => memo.format === 'N')) {
            return await this.treeRead(JSON.parse(payload), verifyOwner);
        }
        return payload;
    }
    async getAccountSequence(address) {
        this.dbg("Getting acc info for", address);
        const accountInfo = await this.api.request({
            command: 'account_info',
            account: address,
            strict: true,
        });
        this.dbg("Got account_info", accountInfo);
        return Number(accountInfo.result.account_data.Sequence);
    }
    async estimateFee(data, denomination = 'DROPS', cost = 0) {
        data = await compressB64(data);
        const chunks = chunkString(data, PAYLOAD_SIZE);
        if (chunks.length === 1) {
            return (denomination === "DROPS" ? (cost + 1) : this.dropsToXrp(cost + 1));
        }
        return this.estimateFee(JSON.stringify(chunks.map(_ => genRandHex(64))), denomination, cost + chunks.length);
    }
    xrpToDrops(xrp) {
        return xrp * DROP_PER_XRP;
    }
    dropsToXrp(drops) {
        return drops * XRP_PER_DROP;
    }
    dbg(...args) {
        if (this.options.debug) {
            console.log.apply(console, args);
        }
    }
}
exports.xrpIO = xrpIO;


/***/ }),

/***/ 4685:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var native = __webpack_require__(30247)

function getTypeName (fn) {
  return fn.name || fn.toString().match(/function (.*?)\s*\(/)[1]
}

function getValueTypeName (value) {
  return native.Nil(value) ? '' : getTypeName(value.constructor)
}

function getValue (value) {
  if (native.Function(value)) return ''
  if (native.String(value)) return JSON.stringify(value)
  if (value && native.Object(value)) return ''
  return value
}

function captureStackTrace (e, t) {
  if (Error.captureStackTrace) {
    Error.captureStackTrace(e, t)
  }
}

function tfJSON (type) {
  if (native.Function(type)) return type.toJSON ? type.toJSON() : getTypeName(type)
  if (native.Array(type)) return 'Array'
  if (type && native.Object(type)) return 'Object'

  return type !== undefined ? type : ''
}

function tfErrorString (type, value, valueTypeName) {
  var valueJson = getValue(value)

  return 'Expected ' + tfJSON(type) + ', got' +
    (valueTypeName !== '' ? ' ' + valueTypeName : '') +
    (valueJson !== '' ? ' ' + valueJson : '')
}

function TfTypeError (type, value, valueTypeName) {
  valueTypeName = valueTypeName || getValueTypeName(value)
  this.message = tfErrorString(type, value, valueTypeName)

  captureStackTrace(this, TfTypeError)
  this.__type = type
  this.__value = value
  this.__valueTypeName = valueTypeName
}

TfTypeError.prototype = Object.create(Error.prototype)
TfTypeError.prototype.constructor = TfTypeError

function tfPropertyErrorString (type, label, name, value, valueTypeName) {
  var description = '" of type '
  if (label === 'key') description = '" with key type '

  return tfErrorString('property "' + tfJSON(name) + description + tfJSON(type), value, valueTypeName)
}

function TfPropertyTypeError (type, property, label, value, valueTypeName) {
  if (type) {
    valueTypeName = valueTypeName || getValueTypeName(value)
    this.message = tfPropertyErrorString(type, label, property, value, valueTypeName)
  } else {
    this.message = 'Unexpected property "' + property + '"'
  }

  captureStackTrace(this, TfTypeError)
  this.__label = label
  this.__property = property
  this.__type = type
  this.__value = value
  this.__valueTypeName = valueTypeName
}

TfPropertyTypeError.prototype = Object.create(Error.prototype)
TfPropertyTypeError.prototype.constructor = TfTypeError

function tfCustomError (expected, actual) {
  return new TfTypeError(expected, {}, actual)
}

function tfSubError (e, property, label) {
  // sub child?
  if (e instanceof TfPropertyTypeError) {
    property = property + '.' + e.__property

    e = new TfPropertyTypeError(
      e.__type, property, e.__label, e.__value, e.__valueTypeName
    )

  // child?
  } else if (e instanceof TfTypeError) {
    e = new TfPropertyTypeError(
      e.__type, property, label, e.__value, e.__valueTypeName
    )
  }

  captureStackTrace(e)
  return e
}

module.exports = {
  TfTypeError: TfTypeError,
  TfPropertyTypeError: TfPropertyTypeError,
  tfCustomError: tfCustomError,
  tfSubError: tfSubError,
  tfJSON: tfJSON,
  getValueTypeName: getValueTypeName
}


/***/ }),

/***/ 74307:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var NATIVE = __webpack_require__(30247)
var ERRORS = __webpack_require__(4685)

function _Buffer (value) {
  return Buffer.isBuffer(value)
}

function Hex (value) {
  return typeof value === 'string' && /^([0-9a-f]{2})+$/i.test(value)
}

function _LengthN (type, length) {
  var name = type.toJSON()

  function Length (value) {
    if (!type(value)) return false
    if (value.length === length) return true

    throw ERRORS.tfCustomError(name + '(Length: ' + length + ')', name + '(Length: ' + value.length + ')')
  }
  Length.toJSON = function () { return name }

  return Length
}

var _ArrayN = _LengthN.bind(null, NATIVE.Array)
var _BufferN = _LengthN.bind(null, _Buffer)
var _HexN = _LengthN.bind(null, Hex)
var _StringN = _LengthN.bind(null, NATIVE.String)

function Range (a, b, f) {
  f = f || NATIVE.Number
  function _range (value, strict) {
    return f(value, strict) && (value > a) && (value < b)
  }
  _range.toJSON = function () {
    return `${f.toJSON()} between [${a}, ${b}]`
  }
  return _range
}

var INT53_MAX = Math.pow(2, 53) - 1

function Finite (value) {
  return typeof value === 'number' && isFinite(value)
}
function Int8 (value) { return ((value << 24) >> 24) === value }
function Int16 (value) { return ((value << 16) >> 16) === value }
function Int32 (value) { return (value | 0) === value }
function Int53 (value) {
  return typeof value === 'number' &&
    value >= -INT53_MAX &&
    value <= INT53_MAX &&
    Math.floor(value) === value
}
function UInt8 (value) { return (value & 0xff) === value }
function UInt16 (value) { return (value & 0xffff) === value }
function UInt32 (value) { return (value >>> 0) === value }
function UInt53 (value) {
  return typeof value === 'number' &&
    value >= 0 &&
    value <= INT53_MAX &&
    Math.floor(value) === value
}

var types = {
  ArrayN: _ArrayN,
  Buffer: _Buffer,
  BufferN: _BufferN,
  Finite: Finite,
  Hex: Hex,
  HexN: _HexN,
  Int8: Int8,
  Int16: Int16,
  Int32: Int32,
  Int53: Int53,
  Range: Range,
  StringN: _StringN,
  UInt8: UInt8,
  UInt16: UInt16,
  UInt32: UInt32,
  UInt53: UInt53
}

for (var typeName in types) {
  types[typeName].toJSON = function (t) {
    return t
  }.bind(null, typeName)
}

module.exports = types


/***/ }),

/***/ 2401:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

var ERRORS = __webpack_require__(4685)
var NATIVE = __webpack_require__(30247)

// short-hand
var tfJSON = ERRORS.tfJSON
var TfTypeError = ERRORS.TfTypeError
var TfPropertyTypeError = ERRORS.TfPropertyTypeError
var tfSubError = ERRORS.tfSubError
var getValueTypeName = ERRORS.getValueTypeName

var TYPES = {
  arrayOf: function arrayOf (type, options) {
    type = compile(type)
    options = options || {}

    function _arrayOf (array, strict) {
      if (!NATIVE.Array(array)) return false
      if (NATIVE.Nil(array)) return false
      if (options.minLength !== undefined && array.length < options.minLength) return false
      if (options.maxLength !== undefined && array.length > options.maxLength) return false
      if (options.length !== undefined && array.length !== options.length) return false

      return array.every(function (value, i) {
        try {
          return typeforce(type, value, strict)
        } catch (e) {
          throw tfSubError(e, i)
        }
      })
    }
    _arrayOf.toJSON = function () {
      var str = '[' + tfJSON(type) + ']'
      if (options.length !== undefined) {
        str += '{' + options.length + '}'
      } else if (options.minLength !== undefined || options.maxLength !== undefined) {
        str += '{' +
          (options.minLength === undefined ? 0 : options.minLength) + ',' +
          (options.maxLength === undefined ? Infinity : options.maxLength) + '}'
      }
      return str
    }

    return _arrayOf
  },

  maybe: function maybe (type) {
    type = compile(type)

    function _maybe (value, strict) {
      return NATIVE.Nil(value) || type(value, strict, maybe)
    }
    _maybe.toJSON = function () { return '?' + tfJSON(type) }

    return _maybe
  },

  map: function map (propertyType, propertyKeyType) {
    propertyType = compile(propertyType)
    if (propertyKeyType) propertyKeyType = compile(propertyKeyType)

    function _map (value, strict) {
      if (!NATIVE.Object(value)) return false
      if (NATIVE.Nil(value)) return false

      for (var propertyName in value) {
        try {
          if (propertyKeyType) {
            typeforce(propertyKeyType, propertyName, strict)
          }
        } catch (e) {
          throw tfSubError(e, propertyName, 'key')
        }

        try {
          var propertyValue = value[propertyName]
          typeforce(propertyType, propertyValue, strict)
        } catch (e) {
          throw tfSubError(e, propertyName)
        }
      }

      return true
    }

    if (propertyKeyType) {
      _map.toJSON = function () {
        return '{' + tfJSON(propertyKeyType) + ': ' + tfJSON(propertyType) + '}'
      }
    } else {
      _map.toJSON = function () { return '{' + tfJSON(propertyType) + '}' }
    }

    return _map
  },

  object: function object (uncompiled) {
    var type = {}

    for (var typePropertyName in uncompiled) {
      type[typePropertyName] = compile(uncompiled[typePropertyName])
    }

    function _object (value, strict) {
      if (!NATIVE.Object(value)) return false
      if (NATIVE.Nil(value)) return false

      var propertyName

      try {
        for (propertyName in type) {
          var propertyType = type[propertyName]
          var propertyValue = value[propertyName]

          typeforce(propertyType, propertyValue, strict)
        }
      } catch (e) {
        throw tfSubError(e, propertyName)
      }

      if (strict) {
        for (propertyName in value) {
          if (type[propertyName]) continue

          throw new TfPropertyTypeError(undefined, propertyName)
        }
      }

      return true
    }
    _object.toJSON = function () { return tfJSON(type) }

    return _object
  },

  anyOf: function anyOf () {
    var types = [].slice.call(arguments).map(compile)

    function _anyOf (value, strict) {
      return types.some(function (type) {
        try {
          return typeforce(type, value, strict)
        } catch (e) {
          return false
        }
      })
    }
    _anyOf.toJSON = function () { return types.map(tfJSON).join('|') }

    return _anyOf
  },

  allOf: function allOf () {
    var types = [].slice.call(arguments).map(compile)

    function _allOf (value, strict) {
      return types.every(function (type) {
        try {
          return typeforce(type, value, strict)
        } catch (e) {
          return false
        }
      })
    }
    _allOf.toJSON = function () { return types.map(tfJSON).join(' & ') }

    return _allOf
  },

  quacksLike: function quacksLike (type) {
    function _quacksLike (value) {
      return type === getValueTypeName(value)
    }
    _quacksLike.toJSON = function () { return type }

    return _quacksLike
  },

  tuple: function tuple () {
    var types = [].slice.call(arguments).map(compile)

    function _tuple (values, strict) {
      if (NATIVE.Nil(values)) return false
      if (NATIVE.Nil(values.length)) return false
      if (strict && (values.length !== types.length)) return false

      return types.every(function (type, i) {
        try {
          return typeforce(type, values[i], strict)
        } catch (e) {
          throw tfSubError(e, i)
        }
      })
    }
    _tuple.toJSON = function () { return '(' + types.map(tfJSON).join(', ') + ')' }

    return _tuple
  },

  value: function value (expected) {
    function _value (actual) {
      return actual === expected
    }
    _value.toJSON = function () { return expected }

    return _value
  }
}

// TODO: deprecate
TYPES.oneOf = TYPES.anyOf

function compile (type) {
  if (NATIVE.String(type)) {
    if (type[0] === '?') return TYPES.maybe(type.slice(1))

    return NATIVE[type] || TYPES.quacksLike(type)
  } else if (type && NATIVE.Object(type)) {
    if (NATIVE.Array(type)) {
      if (type.length !== 1) throw new TypeError('Expected compile() parameter of type Array of length 1')
      return TYPES.arrayOf(type[0])
    }

    return TYPES.object(type)
  } else if (NATIVE.Function(type)) {
    return type
  }

  return TYPES.value(type)
}

function typeforce (type, value, strict, surrogate) {
  if (NATIVE.Function(type)) {
    if (type(value, strict)) return true

    throw new TfTypeError(surrogate || type, value)
  }

  // JIT
  return typeforce(compile(type), value, strict)
}

// assign types to typeforce function
for (var typeName in NATIVE) {
  typeforce[typeName] = NATIVE[typeName]
}

for (typeName in TYPES) {
  typeforce[typeName] = TYPES[typeName]
}

var EXTRA = __webpack_require__(74307)
for (typeName in EXTRA) {
  typeforce[typeName] = EXTRA[typeName]
}

typeforce.compile = compile
typeforce.TfTypeError = TfTypeError
typeforce.TfPropertyTypeError = TfPropertyTypeError

module.exports = typeforce


/***/ }),

/***/ 30247:
/***/ ((module) => {

var types = {
  Array: function (value) { return value !== null && value !== undefined && value.constructor === Array },
  Boolean: function (value) { return typeof value === 'boolean' },
  Function: function (value) { return typeof value === 'function' },
  Nil: function (value) { return value === undefined || value === null },
  Number: function (value) { return typeof value === 'number' },
  Object: function (value) { return typeof value === 'object' },
  String: function (value) { return typeof value === 'string' },
  '': function () { return true }
}

// TODO: deprecate
types.Null = types.Nil

for (var typeName in types) {
  types[typeName].toJSON = function (t) {
    return t
  }.bind(null, typeName)
}

module.exports = types


/***/ }),

/***/ 52511:
/***/ (function(module, exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
var __WEBPACK_AMD_DEFINE_RESULT__;/*! https://mths.be/punycode v1.3.2 by @mathias */
;(function(root) {

	/** Detect free variables */
	var freeExports =  true && exports &&
		!exports.nodeType && exports;
	var freeModule =  true && module &&
		!module.nodeType && module;
	var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g;
	if (
		freeGlobal.global === freeGlobal ||
		freeGlobal.window === freeGlobal ||
		freeGlobal.self === freeGlobal
	) {
		root = freeGlobal;
	}

	/**
	 * The `punycode` object.
	 * @name punycode
	 * @type Object
	 */
	var punycode,

	/** Highest positive signed 32-bit float value */
	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1

	/** Bootstring parameters */
	base = 36,
	tMin = 1,
	tMax = 26,
	skew = 38,
	damp = 700,
	initialBias = 72,
	initialN = 128, // 0x80
	delimiter = '-', // '\x2D'

	/** Regular expressions */
	regexPunycode = /^xn--/,
	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators

	/** Error messages */
	errors = {
		'overflow': 'Overflow: input needs wider integers to process',
		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
		'invalid-input': 'Invalid input'
	},

	/** Convenience shortcuts */
	baseMinusTMin = base - tMin,
	floor = Math.floor,
	stringFromCharCode = String.fromCharCode,

	/** Temporary variable */
	key;

	/*--------------------------------------------------------------------------*/

	/**
	 * A generic error utility function.
	 * @private
	 * @param {String} type The error type.
	 * @returns {Error} Throws a `RangeError` with the applicable error message.
	 */
	function error(type) {
		throw RangeError(errors[type]);
	}

	/**
	 * A generic `Array#map` utility function.
	 * @private
	 * @param {Array} array The array to iterate over.
	 * @param {Function} callback The function that gets called for every array
	 * item.
	 * @returns {Array} A new array of values returned by the callback function.
	 */
	function map(array, fn) {
		var length = array.length;
		var result = [];
		while (length--) {
			result[length] = fn(array[length]);
		}
		return result;
	}

	/**
	 * A simple `Array#map`-like wrapper to work with domain name strings or email
	 * addresses.
	 * @private
	 * @param {String} domain The domain name or email address.
	 * @param {Function} callback The function that gets called for every
	 * character.
	 * @returns {Array} A new string of characters returned by the callback
	 * function.
	 */
	function mapDomain(string, fn) {
		var parts = string.split('@');
		var result = '';
		if (parts.length > 1) {
			// In email addresses, only the domain name should be punycoded. Leave
			// the local part (i.e. everything up to `@`) intact.
			result = parts[0] + '@';
			string = parts[1];
		}
		// Avoid `split(regex)` for IE8 compatibility. See #17.
		string = string.replace(regexSeparators, '\x2E');
		var labels = string.split('.');
		var encoded = map(labels, fn).join('.');
		return result + encoded;
	}

	/**
	 * Creates an array containing the numeric code points of each Unicode
	 * character in the string. While JavaScript uses UCS-2 internally,
	 * this function will convert a pair of surrogate halves (each of which
	 * UCS-2 exposes as separate characters) into a single code point,
	 * matching UTF-16.
	 * @see `punycode.ucs2.encode`
	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
	 * @memberOf punycode.ucs2
	 * @name decode
	 * @param {String} string The Unicode input string (UCS-2).
	 * @returns {Array} The new array of code points.
	 */
	function ucs2decode(string) {
		var output = [],
		    counter = 0,
		    length = string.length,
		    value,
		    extra;
		while (counter < length) {
			value = string.charCodeAt(counter++);
			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
				// high surrogate, and there is a next character
				extra = string.charCodeAt(counter++);
				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
				} else {
					// unmatched surrogate; only append this code unit, in case the next
					// code unit is the high surrogate of a surrogate pair
					output.push(value);
					counter--;
				}
			} else {
				output.push(value);
			}
		}
		return output;
	}

	/**
	 * Creates a string based on an array of numeric code points.
	 * @see `punycode.ucs2.decode`
	 * @memberOf punycode.ucs2
	 * @name encode
	 * @param {Array} codePoints The array of numeric code points.
	 * @returns {String} The new Unicode string (UCS-2).
	 */
	function ucs2encode(array) {
		return map(array, function(value) {
			var output = '';
			if (value > 0xFFFF) {
				value -= 0x10000;
				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
				value = 0xDC00 | value & 0x3FF;
			}
			output += stringFromCharCode(value);
			return output;
		}).join('');
	}

	/**
	 * Converts a basic code point into a digit/integer.
	 * @see `digitToBasic()`
	 * @private
	 * @param {Number} codePoint The basic numeric code point value.
	 * @returns {Number} The numeric value of a basic code point (for use in
	 * representing integers) in the range `0` to `base - 1`, or `base` if
	 * the code point does not represent a value.
	 */
	function basicToDigit(codePoint) {
		if (codePoint - 48 < 10) {
			return codePoint - 22;
		}
		if (codePoint - 65 < 26) {
			return codePoint - 65;
		}
		if (codePoint - 97 < 26) {
			return codePoint - 97;
		}
		return base;
	}

	/**
	 * Converts a digit/integer into a basic code point.
	 * @see `basicToDigit()`
	 * @private
	 * @param {Number} digit The numeric value of a basic code point.
	 * @returns {Number} The basic code point whose value (when used for
	 * representing integers) is `digit`, which needs to be in the range
	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
	 * used; else, the lowercase form is used. The behavior is undefined
	 * if `flag` is non-zero and `digit` has no uppercase form.
	 */
	function digitToBasic(digit, flag) {
		//  0..25 map to ASCII a..z or A..Z
		// 26..35 map to ASCII 0..9
		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
	}

	/**
	 * Bias adaptation function as per section 3.4 of RFC 3492.
	 * http://tools.ietf.org/html/rfc3492#section-3.4
	 * @private
	 */
	function adapt(delta, numPoints, firstTime) {
		var k = 0;
		delta = firstTime ? floor(delta / damp) : delta >> 1;
		delta += floor(delta / numPoints);
		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
			delta = floor(delta / baseMinusTMin);
		}
		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
	}

	/**
	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
	 * symbols.
	 * @memberOf punycode
	 * @param {String} input The Punycode string of ASCII-only symbols.
	 * @returns {String} The resulting string of Unicode symbols.
	 */
	function decode(input) {
		// Don't use UCS-2
		var output = [],
		    inputLength = input.length,
		    out,
		    i = 0,
		    n = initialN,
		    bias = initialBias,
		    basic,
		    j,
		    index,
		    oldi,
		    w,
		    k,
		    digit,
		    t,
		    /** Cached calculation results */
		    baseMinusT;

		// Handle the basic code points: let `basic` be the number of input code
		// points before the last delimiter, or `0` if there is none, then copy
		// the first basic code points to the output.

		basic = input.lastIndexOf(delimiter);
		if (basic < 0) {
			basic = 0;
		}

		for (j = 0; j < basic; ++j) {
			// if it's not a basic code point
			if (input.charCodeAt(j) >= 0x80) {
				error('not-basic');
			}
			output.push(input.charCodeAt(j));
		}

		// Main decoding loop: start just after the last delimiter if any basic code
		// points were copied; start at the beginning otherwise.

		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {

			// `index` is the index of the next character to be consumed.
			// Decode a generalized variable-length integer into `delta`,
			// which gets added to `i`. The overflow checking is easier
			// if we increase `i` as we go, then subtract off its starting
			// value at the end to obtain `delta`.
			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {

				if (index >= inputLength) {
					error('invalid-input');
				}

				digit = basicToDigit(input.charCodeAt(index++));

				if (digit >= base || digit > floor((maxInt - i) / w)) {
					error('overflow');
				}

				i += digit * w;
				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);

				if (digit < t) {
					break;
				}

				baseMinusT = base - t;
				if (w > floor(maxInt / baseMinusT)) {
					error('overflow');
				}

				w *= baseMinusT;

			}

			out = output.length + 1;
			bias = adapt(i - oldi, out, oldi == 0);

			// `i` was supposed to wrap around from `out` to `0`,
			// incrementing `n` each time, so we'll fix that now:
			if (floor(i / out) > maxInt - n) {
				error('overflow');
			}

			n += floor(i / out);
			i %= out;

			// Insert `n` at position `i` of the output
			output.splice(i++, 0, n);

		}

		return ucs2encode(output);
	}

	/**
	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
	 * Punycode string of ASCII-only symbols.
	 * @memberOf punycode
	 * @param {String} input The string of Unicode symbols.
	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
	 */
	function encode(input) {
		var n,
		    delta,
		    handledCPCount,
		    basicLength,
		    bias,
		    j,
		    m,
		    q,
		    k,
		    t,
		    currentValue,
		    output = [],
		    /** `inputLength` will hold the number of code points in `input`. */
		    inputLength,
		    /** Cached calculation results */
		    handledCPCountPlusOne,
		    baseMinusT,
		    qMinusT;

		// Convert the input in UCS-2 to Unicode
		input = ucs2decode(input);

		// Cache the length
		inputLength = input.length;

		// Initialize the state
		n = initialN;
		delta = 0;
		bias = initialBias;

		// Handle the basic code points
		for (j = 0; j < inputLength; ++j) {
			currentValue = input[j];
			if (currentValue < 0x80) {
				output.push(stringFromCharCode(currentValue));
			}
		}

		handledCPCount = basicLength = output.length;

		// `handledCPCount` is the number of code points that have been handled;
		// `basicLength` is the number of basic code points.

		// Finish the basic string - if it is not empty - with a delimiter
		if (basicLength) {
			output.push(delimiter);
		}

		// Main encoding loop:
		while (handledCPCount < inputLength) {

			// All non-basic code points < n have been handled already. Find the next
			// larger one:
			for (m = maxInt, j = 0; j < inputLength; ++j) {
				currentValue = input[j];
				if (currentValue >= n && currentValue < m) {
					m = currentValue;
				}
			}

			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
			// but guard against overflow
			handledCPCountPlusOne = handledCPCount + 1;
			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
				error('overflow');
			}

			delta += (m - n) * handledCPCountPlusOne;
			n = m;

			for (j = 0; j < inputLength; ++j) {
				currentValue = input[j];

				if (currentValue < n && ++delta > maxInt) {
					error('overflow');
				}

				if (currentValue == n) {
					// Represent delta as a generalized variable-length integer
					for (q = delta, k = base; /* no condition */; k += base) {
						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
						if (q < t) {
							break;
						}
						qMinusT = q - t;
						baseMinusT = base - t;
						output.push(
							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
						);
						q = floor(qMinusT / baseMinusT);
					}

					output.push(stringFromCharCode(digitToBasic(q, 0)));
					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
					delta = 0;
					++handledCPCount;
				}
			}

			++delta;
			++n;

		}
		return output.join('');
	}

	/**
	 * Converts a Punycode string representing a domain name or an email address
	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
	 * it doesn't matter if you call it on a string that has already been
	 * converted to Unicode.
	 * @memberOf punycode
	 * @param {String} input The Punycoded domain name or email address to
	 * convert to Unicode.
	 * @returns {String} The Unicode representation of the given Punycode
	 * string.
	 */
	function toUnicode(input) {
		return mapDomain(input, function(string) {
			return regexPunycode.test(string)
				? decode(string.slice(4).toLowerCase())
				: string;
		});
	}

	/**
	 * Converts a Unicode string representing a domain name or an email address to
	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
	 * i.e. it doesn't matter if you call it with a domain that's already in
	 * ASCII.
	 * @memberOf punycode
	 * @param {String} input The domain name or email address to convert, as a
	 * Unicode string.
	 * @returns {String} The Punycode representation of the given domain name or
	 * email address.
	 */
	function toASCII(input) {
		return mapDomain(input, function(string) {
			return regexNonASCII.test(string)
				? 'xn--' + encode(string)
				: string;
		});
	}

	/*--------------------------------------------------------------------------*/

	/** Define the public API */
	punycode = {
		/**
		 * A string representing the current Punycode.js version number.
		 * @memberOf punycode
		 * @type String
		 */
		'version': '1.3.2',
		/**
		 * An object of methods to convert from JavaScript's internal character
		 * representation (UCS-2) to Unicode code points, and back.
		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
		 * @memberOf punycode
		 * @type Object
		 */
		'ucs2': {
			'decode': ucs2decode,
			'encode': ucs2encode
		},
		'decode': decode,
		'encode': encode,
		'toASCII': toASCII,
		'toUnicode': toUnicode
	};

	/** Expose `punycode` */
	// Some AMD build optimizers, like r.js, check for specific condition patterns
	// like the following:
	if (
		true
	) {
		!(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
			return punycode;
		}).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else {}

}(this));


/***/ }),

/***/ 8575:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.



var punycode = __webpack_require__(52511);
var util = __webpack_require__(62502);

exports.parse = urlParse;
exports.resolve = urlResolve;
exports.resolveObject = urlResolveObject;
exports.format = urlFormat;

exports.Url = Url;

function Url() {
  this.protocol = null;
  this.slashes = null;
  this.auth = null;
  this.host = null;
  this.port = null;
  this.hostname = null;
  this.hash = null;
  this.search = null;
  this.query = null;
  this.pathname = null;
  this.path = null;
  this.href = null;
}

// Reference: RFC 3986, RFC 1808, RFC 2396

// define these here so at least they only have to be
// compiled once on the first module load.
var protocolPattern = /^([a-z0-9.+-]+:)/i,
    portPattern = /:[0-9]*$/,

    // Special case for a simple path URL
    simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,

    // RFC 2396: characters reserved for delimiting URLs.
    // We actually just auto-escape these.
    delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t'],

    // RFC 2396: characters not allowed for various reasons.
    unwise = ['{', '}', '|', '\\', '^', '`'].concat(delims),

    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.
    autoEscape = ['\''].concat(unwise),
    // Characters that are never ever allowed in a hostname.
    // Note that any invalid chars are also handled, but these
    // are the ones that are *expected* to be seen, so we fast-path
    // them.
    nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape),
    hostEndingChars = ['/', '?', '#'],
    hostnameMaxLen = 255,
    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,
    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,
    // protocols that can allow "unsafe" and "unwise" chars.
    unsafeProtocol = {
      'javascript': true,
      'javascript:': true
    },
    // protocols that never have a hostname.
    hostlessProtocol = {
      'javascript': true,
      'javascript:': true
    },
    // protocols that always contain a // bit.
    slashedProtocol = {
      'http': true,
      'https': true,
      'ftp': true,
      'gopher': true,
      'file': true,
      'http:': true,
      'https:': true,
      'ftp:': true,
      'gopher:': true,
      'file:': true
    },
    querystring = __webpack_require__(17673);

function urlParse(url, parseQueryString, slashesDenoteHost) {
  if (url && util.isObject(url) && url instanceof Url) return url;

  var u = new Url;
  u.parse(url, parseQueryString, slashesDenoteHost);
  return u;
}

Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {
  if (!util.isString(url)) {
    throw new TypeError("Parameter 'url' must be a string, not " + typeof url);
  }

  // Copy chrome, IE, opera backslash-handling behavior.
  // Back slashes before the query string get converted to forward slashes
  // See: https://code.google.com/p/chromium/issues/detail?id=25916
  var queryIndex = url.indexOf('?'),
      splitter =
          (queryIndex !== -1 && queryIndex < url.indexOf('#')) ? '?' : '#',
      uSplit = url.split(splitter),
      slashRegex = /\\/g;
  uSplit[0] = uSplit[0].replace(slashRegex, '/');
  url = uSplit.join(splitter);

  var rest = url;

  // trim before proceeding.
  // This is to support parse stuff like "  http://foo.com  \n"
  rest = rest.trim();

  if (!slashesDenoteHost && url.split('#').length === 1) {
    // Try fast path regexp
    var simplePath = simplePathPattern.exec(rest);
    if (simplePath) {
      this.path = rest;
      this.href = rest;
      this.pathname = simplePath[1];
      if (simplePath[2]) {
        this.search = simplePath[2];
        if (parseQueryString) {
          this.query = querystring.parse(this.search.substr(1));
        } else {
          this.query = this.search.substr(1);
        }
      } else if (parseQueryString) {
        this.search = '';
        this.query = {};
      }
      return this;
    }
  }

  var proto = protocolPattern.exec(rest);
  if (proto) {
    proto = proto[0];
    var lowerProto = proto.toLowerCase();
    this.protocol = lowerProto;
    rest = rest.substr(proto.length);
  }

  // figure out if it's got a host
  // user@server is *always* interpreted as a hostname, and url
  // resolution will treat //foo/bar as host=foo,path=bar because that's
  // how the browser resolves relative URLs.
  if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) {
    var slashes = rest.substr(0, 2) === '//';
    if (slashes && !(proto && hostlessProtocol[proto])) {
      rest = rest.substr(2);
      this.slashes = true;
    }
  }

  if (!hostlessProtocol[proto] &&
      (slashes || (proto && !slashedProtocol[proto]))) {

    // there's a hostname.
    // the first instance of /, ?, ;, or # ends the host.
    //
    // If there is an @ in the hostname, then non-host chars *are* allowed
    // to the left of the last @ sign, unless some host-ending character
    // comes *before* the @-sign.
    // URLs are obnoxious.
    //
    // ex:
    // http://a@b@c/ => user:a@b host:c
    // http://a@b?@c => user:a host:c path:/?@c

    // v0.12 TODO(isaacs): This is not quite how Chrome does things.
    // Review our test case against browsers more comprehensively.

    // find the first instance of any hostEndingChars
    var hostEnd = -1;
    for (var i = 0; i < hostEndingChars.length; i++) {
      var hec = rest.indexOf(hostEndingChars[i]);
      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
        hostEnd = hec;
    }

    // at this point, either we have an explicit point where the
    // auth portion cannot go past, or the last @ char is the decider.
    var auth, atSign;
    if (hostEnd === -1) {
      // atSign can be anywhere.
      atSign = rest.lastIndexOf('@');
    } else {
      // atSign must be in auth portion.
      // http://a@b/c@d => host:b auth:a path:/c@d
      atSign = rest.lastIndexOf('@', hostEnd);
    }

    // Now we have a portion which is definitely the auth.
    // Pull that off.
    if (atSign !== -1) {
      auth = rest.slice(0, atSign);
      rest = rest.slice(atSign + 1);
      this.auth = decodeURIComponent(auth);
    }

    // the host is the remaining to the left of the first non-host char
    hostEnd = -1;
    for (var i = 0; i < nonHostChars.length; i++) {
      var hec = rest.indexOf(nonHostChars[i]);
      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
        hostEnd = hec;
    }
    // if we still have not hit it, then the entire thing is a host.
    if (hostEnd === -1)
      hostEnd = rest.length;

    this.host = rest.slice(0, hostEnd);
    rest = rest.slice(hostEnd);

    // pull out port.
    this.parseHost();

    // we've indicated that there is a hostname,
    // so even if it's empty, it has to be present.
    this.hostname = this.hostname || '';

    // if hostname begins with [ and ends with ]
    // assume that it's an IPv6 address.
    var ipv6Hostname = this.hostname[0] === '[' &&
        this.hostname[this.hostname.length - 1] === ']';

    // validate a little.
    if (!ipv6Hostname) {
      var hostparts = this.hostname.split(/\./);
      for (var i = 0, l = hostparts.length; i < l; i++) {
        var part = hostparts[i];
        if (!part) continue;
        if (!part.match(hostnamePartPattern)) {
          var newpart = '';
          for (var j = 0, k = part.length; j < k; j++) {
            if (part.charCodeAt(j) > 127) {
              // we replace non-ASCII char with a temporary placeholder
              // we need this to make sure size of hostname is not
              // broken by replacing non-ASCII by nothing
              newpart += 'x';
            } else {
              newpart += part[j];
            }
          }
          // we test again with ASCII char only
          if (!newpart.match(hostnamePartPattern)) {
            var validParts = hostparts.slice(0, i);
            var notHost = hostparts.slice(i + 1);
            var bit = part.match(hostnamePartStart);
            if (bit) {
              validParts.push(bit[1]);
              notHost.unshift(bit[2]);
            }
            if (notHost.length) {
              rest = '/' + notHost.join('.') + rest;
            }
            this.hostname = validParts.join('.');
            break;
          }
        }
      }
    }

    if (this.hostname.length > hostnameMaxLen) {
      this.hostname = '';
    } else {
      // hostnames are always lower case.
      this.hostname = this.hostname.toLowerCase();
    }

    if (!ipv6Hostname) {
      // IDNA Support: Returns a punycoded representation of "domain".
      // It only converts parts of the domain name that
      // have non-ASCII characters, i.e. it doesn't matter if
      // you call it with a domain that already is ASCII-only.
      this.hostname = punycode.toASCII(this.hostname);
    }

    var p = this.port ? ':' + this.port : '';
    var h = this.hostname || '';
    this.host = h + p;
    this.href += this.host;

    // strip [ and ] from the hostname
    // the host field still retains them, though
    if (ipv6Hostname) {
      this.hostname = this.hostname.substr(1, this.hostname.length - 2);
      if (rest[0] !== '/') {
        rest = '/' + rest;
      }
    }
  }

  // now rest is set to the post-host stuff.
  // chop off any delim chars.
  if (!unsafeProtocol[lowerProto]) {

    // First, make 100% sure that any "autoEscape" chars get
    // escaped, even if encodeURIComponent doesn't think they
    // need to be.
    for (var i = 0, l = autoEscape.length; i < l; i++) {
      var ae = autoEscape[i];
      if (rest.indexOf(ae) === -1)
        continue;
      var esc = encodeURIComponent(ae);
      if (esc === ae) {
        esc = escape(ae);
      }
      rest = rest.split(ae).join(esc);
    }
  }


  // chop off from the tail first.
  var hash = rest.indexOf('#');
  if (hash !== -1) {
    // got a fragment string.
    this.hash = rest.substr(hash);
    rest = rest.slice(0, hash);
  }
  var qm = rest.indexOf('?');
  if (qm !== -1) {
    this.search = rest.substr(qm);
    this.query = rest.substr(qm + 1);
    if (parseQueryString) {
      this.query = querystring.parse(this.query);
    }
    rest = rest.slice(0, qm);
  } else if (parseQueryString) {
    // no query string, but parseQueryString still requested
    this.search = '';
    this.query = {};
  }
  if (rest) this.pathname = rest;
  if (slashedProtocol[lowerProto] &&
      this.hostname && !this.pathname) {
    this.pathname = '/';
  }

  //to support http.request
  if (this.pathname || this.search) {
    var p = this.pathname || '';
    var s = this.search || '';
    this.path = p + s;
  }

  // finally, reconstruct the href based on what has been validated.
  this.href = this.format();
  return this;
};

// format a parsed object into a url string
function urlFormat(obj) {
  // ensure it's an object, and not a string url.
  // If it's an obj, this is a no-op.
  // this way, you can call url_format() on strings
  // to clean up potentially wonky urls.
  if (util.isString(obj)) obj = urlParse(obj);
  if (!(obj instanceof Url)) return Url.prototype.format.call(obj);
  return obj.format();
}

Url.prototype.format = function() {
  var auth = this.auth || '';
  if (auth) {
    auth = encodeURIComponent(auth);
    auth = auth.replace(/%3A/i, ':');
    auth += '@';
  }

  var protocol = this.protocol || '',
      pathname = this.pathname || '',
      hash = this.hash || '',
      host = false,
      query = '';

  if (this.host) {
    host = auth + this.host;
  } else if (this.hostname) {
    host = auth + (this.hostname.indexOf(':') === -1 ?
        this.hostname :
        '[' + this.hostname + ']');
    if (this.port) {
      host += ':' + this.port;
    }
  }

  if (this.query &&
      util.isObject(this.query) &&
      Object.keys(this.query).length) {
    query = querystring.stringify(this.query);
  }

  var search = this.search || (query && ('?' + query)) || '';

  if (protocol && protocol.substr(-1) !== ':') protocol += ':';

  // only the slashedProtocols get the //.  Not mailto:, xmpp:, etc.
  // unless they had them to begin with.
  if (this.slashes ||
      (!protocol || slashedProtocol[protocol]) && host !== false) {
    host = '//' + (host || '');
    if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname;
  } else if (!host) {
    host = '';
  }

  if (hash && hash.charAt(0) !== '#') hash = '#' + hash;
  if (search && search.charAt(0) !== '?') search = '?' + search;

  pathname = pathname.replace(/[?#]/g, function(match) {
    return encodeURIComponent(match);
  });
  search = search.replace('#', '%23');

  return protocol + host + pathname + search + hash;
};

function urlResolve(source, relative) {
  return urlParse(source, false, true).resolve(relative);
}

Url.prototype.resolve = function(relative) {
  return this.resolveObject(urlParse(relative, false, true)).format();
};

function urlResolveObject(source, relative) {
  if (!source) return relative;
  return urlParse(source, false, true).resolveObject(relative);
}

Url.prototype.resolveObject = function(relative) {
  if (util.isString(relative)) {
    var rel = new Url();
    rel.parse(relative, false, true);
    relative = rel;
  }

  var result = new Url();
  var tkeys = Object.keys(this);
  for (var tk = 0; tk < tkeys.length; tk++) {
    var tkey = tkeys[tk];
    result[tkey] = this[tkey];
  }

  // hash is always overridden, no matter what.
  // even href="" will remove it.
  result.hash = relative.hash;

  // if the relative url is empty, then there's nothing left to do here.
  if (relative.href === '') {
    result.href = result.format();
    return result;
  }

  // hrefs like //foo/bar always cut to the protocol.
  if (relative.slashes && !relative.protocol) {
    // take everything except the protocol from relative
    var rkeys = Object.keys(relative);
    for (var rk = 0; rk < rkeys.length; rk++) {
      var rkey = rkeys[rk];
      if (rkey !== 'protocol')
        result[rkey] = relative[rkey];
    }

    //urlParse appends trailing / to urls like http://www.example.com
    if (slashedProtocol[result.protocol] &&
        result.hostname && !result.pathname) {
      result.path = result.pathname = '/';
    }

    result.href = result.format();
    return result;
  }

  if (relative.protocol && relative.protocol !== result.protocol) {
    // if it's a known url protocol, then changing
    // the protocol does weird things
    // first, if it's not file:, then we MUST have a host,
    // and if there was a path
    // to begin with, then we MUST have a path.
    // if it is file:, then the host is dropped,
    // because that's known to be hostless.
    // anything else is assumed to be absolute.
    if (!slashedProtocol[relative.protocol]) {
      var keys = Object.keys(relative);
      for (var v = 0; v < keys.length; v++) {
        var k = keys[v];
        result[k] = relative[k];
      }
      result.href = result.format();
      return result;
    }

    result.protocol = relative.protocol;
    if (!relative.host && !hostlessProtocol[relative.protocol]) {
      var relPath = (relative.pathname || '').split('/');
      while (relPath.length && !(relative.host = relPath.shift()));
      if (!relative.host) relative.host = '';
      if (!relative.hostname) relative.hostname = '';
      if (relPath[0] !== '') relPath.unshift('');
      if (relPath.length < 2) relPath.unshift('');
      result.pathname = relPath.join('/');
    } else {
      result.pathname = relative.pathname;
    }
    result.search = relative.search;
    result.query = relative.query;
    result.host = relative.host || '';
    result.auth = relative.auth;
    result.hostname = relative.hostname || relative.host;
    result.port = relative.port;
    // to support http.request
    if (result.pathname || result.search) {
      var p = result.pathname || '';
      var s = result.search || '';
      result.path = p + s;
    }
    result.slashes = result.slashes || relative.slashes;
    result.href = result.format();
    return result;
  }

  var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/'),
      isRelAbs = (
          relative.host ||
          relative.pathname && relative.pathname.charAt(0) === '/'
      ),
      mustEndAbs = (isRelAbs || isSourceAbs ||
                    (result.host && relative.pathname)),
      removeAllDots = mustEndAbs,
      srcPath = result.pathname && result.pathname.split('/') || [],
      relPath = relative.pathname && relative.pathname.split('/') || [],
      psychotic = result.protocol && !slashedProtocol[result.protocol];

  // if the url is a non-slashed url, then relative
  // links like ../.. should be able
  // to crawl up to the hostname, as well.  This is strange.
  // result.protocol has already been set by now.
  // Later on, put the first path part into the host field.
  if (psychotic) {
    result.hostname = '';
    result.port = null;
    if (result.host) {
      if (srcPath[0] === '') srcPath[0] = result.host;
      else srcPath.unshift(result.host);
    }
    result.host = '';
    if (relative.protocol) {
      relative.hostname = null;
      relative.port = null;
      if (relative.host) {
        if (relPath[0] === '') relPath[0] = relative.host;
        else relPath.unshift(relative.host);
      }
      relative.host = null;
    }
    mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');
  }

  if (isRelAbs) {
    // it's absolute.
    result.host = (relative.host || relative.host === '') ?
                  relative.host : result.host;
    result.hostname = (relative.hostname || relative.hostname === '') ?
                      relative.hostname : result.hostname;
    result.search = relative.search;
    result.query = relative.query;
    srcPath = relPath;
    // fall through to the dot-handling below.
  } else if (relPath.length) {
    // it's relative
    // throw away the existing file, and take the new path instead.
    if (!srcPath) srcPath = [];
    srcPath.pop();
    srcPath = srcPath.concat(relPath);
    result.search = relative.search;
    result.query = relative.query;
  } else if (!util.isNullOrUndefined(relative.search)) {
    // just pull out the search.
    // like href='?foo'.
    // Put this after the other two cases because it simplifies the booleans
    if (psychotic) {
      result.hostname = result.host = srcPath.shift();
      //occationaly the auth can get stuck only in host
      //this especially happens in cases like
      //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
      var authInHost = result.host && result.host.indexOf('@') > 0 ?
                       result.host.split('@') : false;
      if (authInHost) {
        result.auth = authInHost.shift();
        result.host = result.hostname = authInHost.shift();
      }
    }
    result.search = relative.search;
    result.query = relative.query;
    //to support http.request
    if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
      result.path = (result.pathname ? result.pathname : '') +
                    (result.search ? result.search : '');
    }
    result.href = result.format();
    return result;
  }

  if (!srcPath.length) {
    // no path at all.  easy.
    // we've already handled the other stuff above.
    result.pathname = null;
    //to support http.request
    if (result.search) {
      result.path = '/' + result.search;
    } else {
      result.path = null;
    }
    result.href = result.format();
    return result;
  }

  // if a url ENDs in . or .., then it must get a trailing slash.
  // however, if it ends in anything else non-slashy,
  // then it must NOT get a trailing slash.
  var last = srcPath.slice(-1)[0];
  var hasTrailingSlash = (
      (result.host || relative.host || srcPath.length > 1) &&
      (last === '.' || last === '..') || last === '');

  // strip single dots, resolve double dots to parent dir
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = srcPath.length; i >= 0; i--) {
    last = srcPath[i];
    if (last === '.') {
      srcPath.splice(i, 1);
    } else if (last === '..') {
      srcPath.splice(i, 1);
      up++;
    } else if (up) {
      srcPath.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (!mustEndAbs && !removeAllDots) {
    for (; up--; up) {
      srcPath.unshift('..');
    }
  }

  if (mustEndAbs && srcPath[0] !== '' &&
      (!srcPath[0] || srcPath[0].charAt(0) !== '/')) {
    srcPath.unshift('');
  }

  if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {
    srcPath.push('');
  }

  var isAbsolute = srcPath[0] === '' ||
      (srcPath[0] && srcPath[0].charAt(0) === '/');

  // put the host back
  if (psychotic) {
    result.hostname = result.host = isAbsolute ? '' :
                                    srcPath.length ? srcPath.shift() : '';
    //occationaly the auth can get stuck only in host
    //this especially happens in cases like
    //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
    var authInHost = result.host && result.host.indexOf('@') > 0 ?
                     result.host.split('@') : false;
    if (authInHost) {
      result.auth = authInHost.shift();
      result.host = result.hostname = authInHost.shift();
    }
  }

  mustEndAbs = mustEndAbs || (result.host && srcPath.length);

  if (mustEndAbs && !isAbsolute) {
    srcPath.unshift('');
  }

  if (!srcPath.length) {
    result.pathname = null;
    result.path = null;
  } else {
    result.pathname = srcPath.join('/');
  }

  //to support request.http
  if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
    result.path = (result.pathname ? result.pathname : '') +
                  (result.search ? result.search : '');
  }
  result.auth = relative.auth || result.auth;
  result.slashes = result.slashes || relative.slashes;
  result.href = result.format();
  return result;
};

Url.prototype.parseHost = function() {
  var host = this.host;
  var port = portPattern.exec(host);
  if (port) {
    port = port[0];
    if (port !== ':') {
      this.port = port.substr(1);
    }
    host = host.substr(0, host.length - port.length);
  }
  if (host) this.hostname = host;
};


/***/ }),

/***/ 62502:
/***/ ((module) => {

"use strict";


module.exports = {
  isString: function(arg) {
    return typeof(arg) === 'string';
  },
  isObject: function(arg) {
    return typeof(arg) === 'object' && arg !== null;
  },
  isNull: function(arg) {
    return arg === null;
  },
  isNullOrUndefined: function(arg) {
    return arg == null;
  }
};


/***/ }),

/***/ 94927:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {


/**
 * Module exports.
 */

module.exports = deprecate;

/**
 * Mark that a method should not be used.
 * Returns a modified function which warns once by default.
 *
 * If `localStorage.noDeprecation = true` is set, then it is a no-op.
 *
 * If `localStorage.throwDeprecation = true` is set, then deprecated functions
 * will throw an Error when invoked.
 *
 * If `localStorage.traceDeprecation = true` is set, then deprecated functions
 * will invoke `console.trace()` instead of `console.error()`.
 *
 * @param {Function} fn - the function to deprecate
 * @param {String} msg - the string to print to the console when `fn` is invoked
 * @returns {Function} a new "deprecated" version of `fn`
 * @api public
 */

function deprecate (fn, msg) {
  if (config('noDeprecation')) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (config('throwDeprecation')) {
        throw new Error(msg);
      } else if (config('traceDeprecation')) {
        console.trace(msg);
      } else {
        console.warn(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
}

/**
 * Checks `localStorage` for boolean values for the given `name`.
 *
 * @param {String} name
 * @returns {Boolean}
 * @api private
 */

function config (name) {
  // accessing global.localStorage can trigger a DOMException in sandboxed iframes
  try {
    if (!__webpack_require__.g.localStorage) return false;
  } catch (_) {
    return false;
  }
  var val = __webpack_require__.g.localStorage[name];
  if (null == val) return false;
  return String(val).toLowerCase() === 'true';
}


/***/ }),

/***/ 20384:
/***/ ((module) => {

module.exports = function isBuffer(arg) {
  return arg && typeof arg === 'object'
    && typeof arg.copy === 'function'
    && typeof arg.fill === 'function'
    && typeof arg.readUInt8 === 'function';
}

/***/ }),

/***/ 55955:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
// Currently in sync with Node.js lib/internal/util/types.js
// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9



var isArgumentsObject = __webpack_require__(82584);
var isGeneratorFunction = __webpack_require__(48662);
var whichTypedArray = __webpack_require__(86430);
var isTypedArray = __webpack_require__(85692);

function uncurryThis(f) {
  return f.call.bind(f);
}

var BigIntSupported = typeof BigInt !== 'undefined';
var SymbolSupported = typeof Symbol !== 'undefined';

var ObjectToString = uncurryThis(Object.prototype.toString);

var numberValue = uncurryThis(Number.prototype.valueOf);
var stringValue = uncurryThis(String.prototype.valueOf);
var booleanValue = uncurryThis(Boolean.prototype.valueOf);

if (BigIntSupported) {
  var bigIntValue = uncurryThis(BigInt.prototype.valueOf);
}

if (SymbolSupported) {
  var symbolValue = uncurryThis(Symbol.prototype.valueOf);
}

function checkBoxedPrimitive(value, prototypeValueOf) {
  if (typeof value !== 'object') {
    return false;
  }
  try {
    prototypeValueOf(value);
    return true;
  } catch(e) {
    return false;
  }
}

exports.isArgumentsObject = isArgumentsObject;
exports.isGeneratorFunction = isGeneratorFunction;
exports.isTypedArray = isTypedArray;

// Taken from here and modified for better browser support
// https://github.com/sindresorhus/p-is-promise/blob/cda35a513bda03f977ad5cde3a079d237e82d7ef/index.js
function isPromise(input) {
	return (
		(
			typeof Promise !== 'undefined' &&
			input instanceof Promise
		) ||
		(
			input !== null &&
			typeof input === 'object' &&
			typeof input.then === 'function' &&
			typeof input.catch === 'function'
		)
	);
}
exports.isPromise = isPromise;

function isArrayBufferView(value) {
  if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) {
    return ArrayBuffer.isView(value);
  }

  return (
    isTypedArray(value) ||
    isDataView(value)
  );
}
exports.isArrayBufferView = isArrayBufferView;


function isUint8Array(value) {
  return whichTypedArray(value) === 'Uint8Array';
}
exports.isUint8Array = isUint8Array;

function isUint8ClampedArray(value) {
  return whichTypedArray(value) === 'Uint8ClampedArray';
}
exports.isUint8ClampedArray = isUint8ClampedArray;

function isUint16Array(value) {
  return whichTypedArray(value) === 'Uint16Array';
}
exports.isUint16Array = isUint16Array;

function isUint32Array(value) {
  return whichTypedArray(value) === 'Uint32Array';
}
exports.isUint32Array = isUint32Array;

function isInt8Array(value) {
  return whichTypedArray(value) === 'Int8Array';
}
exports.isInt8Array = isInt8Array;

function isInt16Array(value) {
  return whichTypedArray(value) === 'Int16Array';
}
exports.isInt16Array = isInt16Array;

function isInt32Array(value) {
  return whichTypedArray(value) === 'Int32Array';
}
exports.isInt32Array = isInt32Array;

function isFloat32Array(value) {
  return whichTypedArray(value) === 'Float32Array';
}
exports.isFloat32Array = isFloat32Array;

function isFloat64Array(value) {
  return whichTypedArray(value) === 'Float64Array';
}
exports.isFloat64Array = isFloat64Array;

function isBigInt64Array(value) {
  return whichTypedArray(value) === 'BigInt64Array';
}
exports.isBigInt64Array = isBigInt64Array;

function isBigUint64Array(value) {
  return whichTypedArray(value) === 'BigUint64Array';
}
exports.isBigUint64Array = isBigUint64Array;

function isMapToString(value) {
  return ObjectToString(value) === '[object Map]';
}
isMapToString.working = (
  typeof Map !== 'undefined' &&
  isMapToString(new Map())
);

function isMap(value) {
  if (typeof Map === 'undefined') {
    return false;
  }

  return isMapToString.working
    ? isMapToString(value)
    : value instanceof Map;
}
exports.isMap = isMap;

function isSetToString(value) {
  return ObjectToString(value) === '[object Set]';
}
isSetToString.working = (
  typeof Set !== 'undefined' &&
  isSetToString(new Set())
);
function isSet(value) {
  if (typeof Set === 'undefined') {
    return false;
  }

  return isSetToString.working
    ? isSetToString(value)
    : value instanceof Set;
}
exports.isSet = isSet;

function isWeakMapToString(value) {
  return ObjectToString(value) === '[object WeakMap]';
}
isWeakMapToString.working = (
  typeof WeakMap !== 'undefined' &&
  isWeakMapToString(new WeakMap())
);
function isWeakMap(value) {
  if (typeof WeakMap === 'undefined') {
    return false;
  }

  return isWeakMapToString.working
    ? isWeakMapToString(value)
    : value instanceof WeakMap;
}
exports.isWeakMap = isWeakMap;

function isWeakSetToString(value) {
  return ObjectToString(value) === '[object WeakSet]';
}
isWeakSetToString.working = (
  typeof WeakSet !== 'undefined' &&
  isWeakSetToString(new WeakSet())
);
function isWeakSet(value) {
  return isWeakSetToString(value);
}
exports.isWeakSet = isWeakSet;

function isArrayBufferToString(value) {
  return ObjectToString(value) === '[object ArrayBuffer]';
}
isArrayBufferToString.working = (
  typeof ArrayBuffer !== 'undefined' &&
  isArrayBufferToString(new ArrayBuffer())
);
function isArrayBuffer(value) {
  if (typeof ArrayBuffer === 'undefined') {
    return false;
  }

  return isArrayBufferToString.working
    ? isArrayBufferToString(value)
    : value instanceof ArrayBuffer;
}
exports.isArrayBuffer = isArrayBuffer;

function isDataViewToString(value) {
  return ObjectToString(value) === '[object DataView]';
}
isDataViewToString.working = (
  typeof ArrayBuffer !== 'undefined' &&
  typeof DataView !== 'undefined' &&
  isDataViewToString(new DataView(new ArrayBuffer(1), 0, 1))
);
function isDataView(value) {
  if (typeof DataView === 'undefined') {
    return false;
  }

  return isDataViewToString.working
    ? isDataViewToString(value)
    : value instanceof DataView;
}
exports.isDataView = isDataView;

// Store a copy of SharedArrayBuffer in case it's deleted elsewhere
var SharedArrayBufferCopy = typeof SharedArrayBuffer !== 'undefined' ? SharedArrayBuffer : undefined;
function isSharedArrayBufferToString(value) {
  return ObjectToString(value) === '[object SharedArrayBuffer]';
}
function isSharedArrayBuffer(value) {
  if (typeof SharedArrayBufferCopy === 'undefined') {
    return false;
  }

  if (typeof isSharedArrayBufferToString.working === 'undefined') {
    isSharedArrayBufferToString.working = isSharedArrayBufferToString(new SharedArrayBufferCopy());
  }

  return isSharedArrayBufferToString.working
    ? isSharedArrayBufferToString(value)
    : value instanceof SharedArrayBufferCopy;
}
exports.isSharedArrayBuffer = isSharedArrayBuffer;

function isAsyncFunction(value) {
  return ObjectToString(value) === '[object AsyncFunction]';
}
exports.isAsyncFunction = isAsyncFunction;

function isMapIterator(value) {
  return ObjectToString(value) === '[object Map Iterator]';
}
exports.isMapIterator = isMapIterator;

function isSetIterator(value) {
  return ObjectToString(value) === '[object Set Iterator]';
}
exports.isSetIterator = isSetIterator;

function isGeneratorObject(value) {
  return ObjectToString(value) === '[object Generator]';
}
exports.isGeneratorObject = isGeneratorObject;

function isWebAssemblyCompiledModule(value) {
  return ObjectToString(value) === '[object WebAssembly.Module]';
}
exports.isWebAssemblyCompiledModule = isWebAssemblyCompiledModule;

function isNumberObject(value) {
  return checkBoxedPrimitive(value, numberValue);
}
exports.isNumberObject = isNumberObject;

function isStringObject(value) {
  return checkBoxedPrimitive(value, stringValue);
}
exports.isStringObject = isStringObject;

function isBooleanObject(value) {
  return checkBoxedPrimitive(value, booleanValue);
}
exports.isBooleanObject = isBooleanObject;

function isBigIntObject(value) {
  return BigIntSupported && checkBoxedPrimitive(value, bigIntValue);
}
exports.isBigIntObject = isBigIntObject;

function isSymbolObject(value) {
  return SymbolSupported && checkBoxedPrimitive(value, symbolValue);
}
exports.isSymbolObject = isSymbolObject;

function isBoxedPrimitive(value) {
  return (
    isNumberObject(value) ||
    isStringObject(value) ||
    isBooleanObject(value) ||
    isBigIntObject(value) ||
    isSymbolObject(value)
  );
}
exports.isBoxedPrimitive = isBoxedPrimitive;

function isAnyArrayBuffer(value) {
  return typeof Uint8Array !== 'undefined' && (
    isArrayBuffer(value) ||
    isSharedArrayBuffer(value)
  );
}
exports.isAnyArrayBuffer = isAnyArrayBuffer;

['isProxy', 'isExternal', 'isModuleNamespaceObject'].forEach(function(method) {
  Object.defineProperty(exports, method, {
    enumerable: false,
    value: function() {
      throw new Error(method + ' is not supported in userland');
    }
  });
});


/***/ }),

/***/ 89539:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

/* provided dependency */ var process = __webpack_require__(34155);
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors ||
  function getOwnPropertyDescriptors(obj) {
    var keys = Object.keys(obj);
    var descriptors = {};
    for (var i = 0; i < keys.length; i++) {
      descriptors[keys[i]] = Object.getOwnPropertyDescriptor(obj, keys[i]);
    }
    return descriptors;
  };

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};


// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
  if (typeof process !== 'undefined' && process.noDeprecation === true) {
    return fn;
  }

  // Allow for deprecating things in the process of starting up.
  if (typeof process === 'undefined') {
    return function() {
      return exports.deprecate(fn, msg).apply(this, arguments);
    };
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (process.throwDeprecation) {
        throw new Error(msg);
      } else if (process.traceDeprecation) {
        console.trace(msg);
      } else {
        console.error(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
};


var debugs = {};
var debugEnvRegex = /^$/;

if (process.env.NODE_DEBUG) {
  var debugEnv = process.env.NODE_DEBUG;
  debugEnv = debugEnv.replace(/[|\\{}()[\]^$+?.]/g, '\\$&')
    .replace(/\*/g, '.*')
    .replace(/,/g, '$|^')
    .toUpperCase();
  debugEnvRegex = new RegExp('^' + debugEnv + '$', 'i');
}
exports.debuglog = function(set) {
  set = set.toUpperCase();
  if (!debugs[set]) {
    if (debugEnvRegex.test(set)) {
      var pid = process.pid;
      debugs[set] = function() {
        var msg = exports.format.apply(exports, arguments);
        console.error('%s %d: %s', set, pid, msg);
      };
    } else {
      debugs[set] = function() {};
    }
  }
  return debugs[set];
};


/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  array.forEach(function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes, ctx);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = Object.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = Object.getOwnPropertyNames(value);
  }

  // IE doesn't make error fields non-enumerable
  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  if (isError(value)
      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
    return formatError(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }
  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
exports.types = __webpack_require__(55955);

function isArray(ar) {
  return Array.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;
exports.types.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;
exports.types.isDate = isDate;

function isError(e) {
  return isObject(e) &&
      (objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;
exports.types.isNativeError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

exports.isBuffer = __webpack_require__(20384);

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = __webpack_require__(35717);

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = Object.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

var kCustomPromisifiedSymbol = typeof Symbol !== 'undefined' ? Symbol('util.promisify.custom') : undefined;

exports.promisify = function promisify(original) {
  if (typeof original !== 'function')
    throw new TypeError('The "original" argument must be of type Function');

  if (kCustomPromisifiedSymbol && original[kCustomPromisifiedSymbol]) {
    var fn = original[kCustomPromisifiedSymbol];
    if (typeof fn !== 'function') {
      throw new TypeError('The "util.promisify.custom" argument must be of type Function');
    }
    Object.defineProperty(fn, kCustomPromisifiedSymbol, {
      value: fn, enumerable: false, writable: false, configurable: true
    });
    return fn;
  }

  function fn() {
    var promiseResolve, promiseReject;
    var promise = new Promise(function (resolve, reject) {
      promiseResolve = resolve;
      promiseReject = reject;
    });

    var args = [];
    for (var i = 0; i < arguments.length; i++) {
      args.push(arguments[i]);
    }
    args.push(function (err, value) {
      if (err) {
        promiseReject(err);
      } else {
        promiseResolve(value);
      }
    });

    try {
      original.apply(this, args);
    } catch (err) {
      promiseReject(err);
    }

    return promise;
  }

  Object.setPrototypeOf(fn, Object.getPrototypeOf(original));

  if (kCustomPromisifiedSymbol) Object.defineProperty(fn, kCustomPromisifiedSymbol, {
    value: fn, enumerable: false, writable: false, configurable: true
  });
  return Object.defineProperties(
    fn,
    getOwnPropertyDescriptors(original)
  );
}

exports.promisify.custom = kCustomPromisifiedSymbol

function callbackifyOnRejected(reason, cb) {
  // `!reason` guard inspired by bluebird (Ref: https://goo.gl/t5IS6M).
  // Because `null` is a special error value in callbacks which means "no error
  // occurred", we error-wrap so the callback consumer can distinguish between
  // "the promise rejected with null" or "the promise fulfilled with undefined".
  if (!reason) {
    var newReason = new Error('Promise was rejected with a falsy value');
    newReason.reason = reason;
    reason = newReason;
  }
  return cb(reason);
}

function callbackify(original) {
  if (typeof original !== 'function') {
    throw new TypeError('The "original" argument must be of type Function');
  }

  // We DO NOT return the promise as it gives the user a false sense that
  // the promise is actually somehow related to the callback's execution
  // and that the callback throwing will reject the promise.
  function callbackified() {
    var args = [];
    for (var i = 0; i < arguments.length; i++) {
      args.push(arguments[i]);
    }

    var maybeCb = args.pop();
    if (typeof maybeCb !== 'function') {
      throw new TypeError('The last argument must be of type Function');
    }
    var self = this;
    var cb = function() {
      return maybeCb.apply(self, arguments);
    };
    // In true node style we process the callback on `nextTick` with all the
    // implications (stack, `uncaughtException`, `async_hooks`)
    original.apply(this, args)
      .then(function(ret) { process.nextTick(cb.bind(null, null, ret)) },
            function(rej) { process.nextTick(callbackifyOnRejected.bind(null, rej, cb)) });
  }

  Object.setPrototypeOf(callbackified, Object.getPrototypeOf(original));
  Object.defineProperties(callbackified,
                          getOwnPropertyDescriptors(original));
  return callbackified;
}
exports.callbackify = callbackify;


/***/ }),

/***/ 86430:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var forEach = __webpack_require__(49804);
var availableTypedArrays = __webpack_require__(63083);
var callBound = __webpack_require__(21924);

var $toString = callBound('Object.prototype.toString');
var hasToStringTag = __webpack_require__(96410)();

var g = typeof globalThis === 'undefined' ? __webpack_require__.g : globalThis;
var typedArrays = availableTypedArrays();

var $slice = callBound('String.prototype.slice');
var toStrTags = {};
var gOPD = __webpack_require__(20882);
var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof');
if (hasToStringTag && gOPD && getPrototypeOf) {
	forEach(typedArrays, function (typedArray) {
		if (typeof g[typedArray] === 'function') {
			var arr = new g[typedArray]();
			if (Symbol.toStringTag in arr) {
				var proto = getPrototypeOf(arr);
				var descriptor = gOPD(proto, Symbol.toStringTag);
				if (!descriptor) {
					var superProto = getPrototypeOf(proto);
					descriptor = gOPD(superProto, Symbol.toStringTag);
				}
				toStrTags[typedArray] = descriptor.get;
			}
		}
	});
}

var tryTypedArrays = function tryAllTypedArrays(value) {
	var foundName = false;
	forEach(toStrTags, function (getter, typedArray) {
		if (!foundName) {
			try {
				var name = getter.call(value);
				if (name === typedArray) {
					foundName = name;
				}
			} catch (e) {}
		}
	});
	return foundName;
};

var isTypedArray = __webpack_require__(85692);

module.exports = function whichTypedArray(value) {
	if (!isTypedArray(value)) { return false; }
	if (!hasToStringTag || !(Symbol.toStringTag in value)) { return $slice($toString(value), 8, -1); }
	return tryTypedArrays(value);
};


/***/ }),

/***/ 37174:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];
var bs58check = __webpack_require__(58334)

function decodeRaw (buffer, version) {
  // check version only if defined
  if (version !== undefined && buffer[0] !== version) throw new Error('Invalid network version')

  // uncompressed
  if (buffer.length === 33) {
    return {
      version: buffer[0],
      privateKey: buffer.slice(1, 33),
      compressed: false
    }
  }

  // invalid length
  if (buffer.length !== 34) throw new Error('Invalid WIF length')

  // invalid compression flag
  if (buffer[33] !== 0x01) throw new Error('Invalid compression flag')

  return {
    version: buffer[0],
    privateKey: buffer.slice(1, 33),
    compressed: true
  }
}

function encodeRaw (version, privateKey, compressed) {
  var result = new Buffer(compressed ? 34 : 33)

  result.writeUInt8(version, 0)
  privateKey.copy(result, 1)

  if (compressed) {
    result[33] = 0x01
  }

  return result
}

function decode (string, version) {
  return decodeRaw(bs58check.decode(string), version)
}

function encode (version, privateKey, compressed) {
  if (typeof version === 'number') return bs58check.encode(encodeRaw(version, privateKey, compressed))

  return bs58check.encode(
    encodeRaw(
      version.version,
      version.privateKey,
      version.compressed
    )
  )
}

module.exports = {
  decode: decode,
  decodeRaw: decodeRaw,
  encode: encode,
  encodeRaw: encodeRaw
}


/***/ }),

/***/ 31528:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
var ECDSA;
(function (ECDSA) {
    ECDSA["ed25519"] = "ed25519";
    ECDSA["secp256k1"] = "ecdsa-secp256k1";
})(ECDSA || (ECDSA = {}));
exports["default"] = ECDSA;
//# sourceMappingURL=ECDSA.js.map

/***/ }),

/***/ 32555:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.getDefaultFaucetPath = exports.getFaucetHost = exports.FaucetNetworkPaths = exports.FaucetNetwork = void 0;
const errors_1 = __webpack_require__(25615);
var FaucetNetwork;
(function (FaucetNetwork) {
    FaucetNetwork["Testnet"] = "faucet.altnet.rippletest.net";
    FaucetNetwork["Devnet"] = "faucet.devnet.rippletest.net";
    FaucetNetwork["AMMDevnet"] = "ammfaucet.devnet.rippletest.net";
    FaucetNetwork["HooksV2Testnet"] = "hooks-testnet-v2.xrpl-labs.com";
})(FaucetNetwork = exports.FaucetNetwork || (exports.FaucetNetwork = {}));
exports.FaucetNetworkPaths = {
    [FaucetNetwork.Testnet]: '/accounts',
    [FaucetNetwork.Devnet]: '/accounts',
    [FaucetNetwork.AMMDevnet]: '/accounts',
    [FaucetNetwork.HooksV2Testnet]: '/accounts',
};
function getFaucetHost(client) {
    const connectionUrl = client.url;
    if (connectionUrl.includes('hooks-testnet-v2')) {
        return FaucetNetwork.HooksV2Testnet;
    }
    if (connectionUrl.includes('altnet') || connectionUrl.includes('testnet')) {
        return FaucetNetwork.Testnet;
    }
    if (connectionUrl.includes('amm')) {
        return FaucetNetwork.AMMDevnet;
    }
    if (connectionUrl.includes('devnet')) {
        return FaucetNetwork.Devnet;
    }
    throw new errors_1.XRPLFaucetError('Faucet URL is not defined or inferrable.');
}
exports.getFaucetHost = getFaucetHost;
function getDefaultFaucetPath(hostname) {
    if (hostname === undefined) {
        return '/accounts';
    }
    return exports.FaucetNetworkPaths[hostname] || '/accounts';
}
exports.getDefaultFaucetPath = getDefaultFaucetPath;
//# sourceMappingURL=defaultFaucets.js.map

/***/ }),

/***/ 94667:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const https_1 = __webpack_require__(79267);
const ripple_address_codec_1 = __webpack_require__(88914);
const errors_1 = __webpack_require__(25615);
const defaultFaucets_1 = __webpack_require__(32555);
const _1 = __importDefault(__webpack_require__(69959));
const INTERVAL_SECONDS = 1;
const MAX_ATTEMPTS = 20;
function fundWallet(wallet, options) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!this.isConnected()) {
            throw new errors_1.RippledError('Client not connected, cannot call faucet');
        }
        const walletToFund = wallet && (0, ripple_address_codec_1.isValidClassicAddress)(wallet.classicAddress)
            ? wallet
            : _1.default.generate();
        const postBody = Buffer.from(new TextEncoder().encode(JSON.stringify({
            destination: walletToFund.classicAddress,
            xrpAmount: options === null || options === void 0 ? void 0 : options.amount,
        })));
        let startingBalance = 0;
        try {
            startingBalance = Number(yield this.getXrpBalance(walletToFund.classicAddress));
        }
        catch (_a) {
        }
        const httpOptions = getHTTPOptions(this, postBody, {
            hostname: options === null || options === void 0 ? void 0 : options.faucetHost,
            pathname: options === null || options === void 0 ? void 0 : options.faucetPath,
        });
        return returnPromise(httpOptions, this, startingBalance, walletToFund, postBody);
    });
}
function returnPromise(options, client, startingBalance, walletToFund, postBody) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            const request = (0, https_1.request)(options, (response) => {
                const chunks = [];
                response.on('data', (data) => chunks.push(data));
                response.on('end', () => __awaiter(this, void 0, void 0, function* () {
                    return onEnd(response, chunks, client, startingBalance, walletToFund, resolve, reject);
                }));
            });
            request.write(postBody);
            request.on('error', (error) => {
                reject(error);
            });
            request.end();
        });
    });
}
function getHTTPOptions(client, postBody, options) {
    var _a, _b;
    const finalHostname = (_a = options === null || options === void 0 ? void 0 : options.hostname) !== null && _a !== void 0 ? _a : (0, defaultFaucets_1.getFaucetHost)(client);
    const finalPathname = (_b = options === null || options === void 0 ? void 0 : options.pathname) !== null && _b !== void 0 ? _b : (0, defaultFaucets_1.getDefaultFaucetPath)(finalHostname);
    return {
        hostname: finalHostname,
        port: 443,
        path: finalPathname,
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'Content-Length': postBody.length,
        },
    };
}
function onEnd(response, chunks, client, startingBalance, walletToFund, resolve, reject) {
    var _a;
    return __awaiter(this, void 0, void 0, function* () {
        const body = Buffer.concat(chunks).toString();
        if ((_a = response.headers['content-type']) === null || _a === void 0 ? void 0 : _a.startsWith('application/json')) {
            const faucetWallet = JSON.parse(body);
            const classicAddress = faucetWallet.account.classicAddress;
            yield processSuccessfulResponse(client, classicAddress, walletToFund, startingBalance, resolve, reject);
        }
        else {
            reject(new errors_1.XRPLFaucetError(`Content type is not \`application/json\`: ${JSON.stringify({
                statusCode: response.statusCode,
                contentType: response.headers['content-type'],
                body,
            })}`));
        }
    });
}
function processSuccessfulResponse(client, classicAddress, walletToFund, startingBalance, resolve, reject) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!classicAddress) {
            reject(new errors_1.XRPLFaucetError(`The faucet account is undefined`));
            return;
        }
        try {
            const updatedBalance = yield getUpdatedBalance(client, classicAddress, startingBalance);
            if (updatedBalance > startingBalance) {
                resolve({
                    wallet: walletToFund,
                    balance: yield getUpdatedBalance(client, walletToFund.classicAddress, startingBalance),
                });
            }
            else {
                reject(new errors_1.XRPLFaucetError(`Unable to fund address with faucet after waiting ${INTERVAL_SECONDS * MAX_ATTEMPTS} seconds`));
            }
        }
        catch (err) {
            if (err instanceof Error) {
                reject(new errors_1.XRPLFaucetError(err.message));
            }
            reject(err);
        }
    });
}
function getUpdatedBalance(client, address, originalBalance) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            let attempts = MAX_ATTEMPTS;
            const interval = setInterval(() => __awaiter(this, void 0, void 0, function* () {
                if (attempts < 0) {
                    clearInterval(interval);
                    resolve(originalBalance);
                }
                else {
                    attempts -= 1;
                }
                try {
                    let newBalance;
                    try {
                        newBalance = Number(yield client.getXrpBalance(address));
                    }
                    catch (_a) {
                    }
                    if (newBalance > originalBalance) {
                        clearInterval(interval);
                        resolve(newBalance);
                    }
                }
                catch (err) {
                    clearInterval(interval);
                    if (err instanceof Error) {
                        reject(new errors_1.XRPLFaucetError(`Unable to check if the address ${address} balance has increased. Error: ${err.message}`));
                    }
                    reject(err);
                }
            }), INTERVAL_SECONDS * 1000);
        });
    });
}
exports["default"] = fundWallet;
//# sourceMappingURL=fundWallet.js.map

/***/ }),

/***/ 69959:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const bip32_1 = __webpack_require__(37786);
const bip39_1 = __webpack_require__(2153);
const isEqual_1 = __importDefault(__webpack_require__(18446));
const ripple_address_codec_1 = __webpack_require__(88914);
const ripple_binary_codec_1 = __webpack_require__(42353);
const ripple_keypairs_1 = __webpack_require__(29140);
const ECDSA_1 = __importDefault(__webpack_require__(31528));
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
const utils_1 = __webpack_require__(38484);
const utils_2 = __webpack_require__(93170);
const hashLedger_1 = __webpack_require__(42704);
const rfc1751_1 = __webpack_require__(48940);
const DEFAULT_ALGORITHM = ECDSA_1.default.ed25519;
const DEFAULT_DERIVATION_PATH = "m/44'/144'/0'/0/0";
function hexFromBuffer(buffer) {
    return buffer.toString('hex').toUpperCase();
}
class Wallet {
    constructor(publicKey, privateKey, opts = {}) {
        this.publicKey = publicKey;
        this.privateKey = privateKey;
        this.classicAddress = opts.masterAddress
            ? (0, utils_2.ensureClassicAddress)(opts.masterAddress)
            : (0, ripple_keypairs_1.deriveAddress)(publicKey);
        this.seed = opts.seed;
    }
    get address() {
        return this.classicAddress;
    }
    static generate(algorithm = DEFAULT_ALGORITHM) {
        const seed = (0, ripple_keypairs_1.generateSeed)({ algorithm });
        return Wallet.fromSeed(seed);
    }
    static fromSeed(seed, opts = {}) {
        return Wallet.deriveWallet(seed, {
            algorithm: opts.algorithm,
            masterAddress: opts.masterAddress,
        });
    }
    static fromEntropy(entropy, opts = {}) {
        var _a;
        const algorithm = (_a = opts.algorithm) !== null && _a !== void 0 ? _a : DEFAULT_ALGORITHM;
        const options = {
            entropy: Uint8Array.from(entropy),
            algorithm,
        };
        const seed = (0, ripple_keypairs_1.generateSeed)(options);
        return Wallet.deriveWallet(seed, {
            algorithm,
            masterAddress: opts.masterAddress,
        });
    }
    static fromMnemonic(mnemonic, opts = {}) {
        var _a;
        if (opts.mnemonicEncoding === 'rfc1751') {
            return Wallet.fromRFC1751Mnemonic(mnemonic, {
                masterAddress: opts.masterAddress,
                algorithm: opts.algorithm,
            });
        }
        if (!(0, bip39_1.validateMnemonic)(mnemonic)) {
            throw new errors_1.ValidationError('Unable to parse the given mnemonic using bip39 encoding');
        }
        const seed = (0, bip39_1.mnemonicToSeedSync)(mnemonic);
        const masterNode = (0, bip32_1.fromSeed)(seed);
        const node = masterNode.derivePath((_a = opts.derivationPath) !== null && _a !== void 0 ? _a : DEFAULT_DERIVATION_PATH);
        if (node.privateKey === undefined) {
            throw new errors_1.ValidationError('Unable to derive privateKey from mnemonic input');
        }
        const publicKey = hexFromBuffer(node.publicKey);
        const privateKey = hexFromBuffer(node.privateKey);
        return new Wallet(publicKey, `00${privateKey}`, {
            masterAddress: opts.masterAddress,
        });
    }
    static fromRFC1751Mnemonic(mnemonic, opts) {
        const seed = (0, rfc1751_1.rfc1751MnemonicToKey)(mnemonic);
        let encodeAlgorithm;
        if (opts.algorithm === ECDSA_1.default.ed25519) {
            encodeAlgorithm = 'ed25519';
        }
        else {
            encodeAlgorithm = 'secp256k1';
        }
        const encodedSeed = (0, ripple_address_codec_1.encodeSeed)(seed, encodeAlgorithm);
        return Wallet.fromSeed(encodedSeed, {
            masterAddress: opts.masterAddress,
            algorithm: opts.algorithm,
        });
    }
    static deriveWallet(seed, opts = {}) {
        var _a;
        const { publicKey, privateKey } = (0, ripple_keypairs_1.deriveKeypair)(seed, {
            algorithm: (_a = opts.algorithm) !== null && _a !== void 0 ? _a : DEFAULT_ALGORITHM,
        });
        return new Wallet(publicKey, privateKey, {
            seed,
            masterAddress: opts.masterAddress,
        });
    }
    sign(transaction, multisign) {
        let multisignAddress = false;
        if (typeof multisign === 'string' && multisign.startsWith('X')) {
            multisignAddress = multisign;
        }
        else if (multisign) {
            multisignAddress = this.classicAddress;
        }
        const tx = Object.assign({}, transaction);
        if (tx.TxnSignature || tx.Signers) {
            throw new errors_1.ValidationError('txJSON must not contain "TxnSignature" or "Signers" properties');
        }
        removeTrailingZeros(tx);
        const txToSignAndEncode = Object.assign({}, tx);
        txToSignAndEncode.SigningPubKey = multisignAddress ? '' : this.publicKey;
        if (multisignAddress) {
            const signer = {
                Account: multisignAddress,
                SigningPubKey: this.publicKey,
                TxnSignature: computeSignature(txToSignAndEncode, this.privateKey, multisignAddress),
            };
            txToSignAndEncode.Signers = [{ Signer: signer }];
        }
        else {
            txToSignAndEncode.TxnSignature = computeSignature(txToSignAndEncode, this.privateKey);
        }
        const serialized = (0, ripple_binary_codec_1.encode)(txToSignAndEncode);
        this.checkTxSerialization(serialized, tx);
        return {
            tx_blob: serialized,
            hash: (0, hashLedger_1.hashSignedTx)(serialized),
        };
    }
    verifyTransaction(signedTransaction) {
        const tx = typeof signedTransaction === 'string'
            ? (0, ripple_binary_codec_1.decode)(signedTransaction)
            : signedTransaction;
        const messageHex = (0, ripple_binary_codec_1.encodeForSigning)(tx);
        const signature = tx.TxnSignature;
        return (0, ripple_keypairs_1.verify)(messageHex, signature, this.publicKey);
    }
    getXAddress(tag = false, isTestnet = false) {
        return (0, ripple_address_codec_1.classicAddressToXAddress)(this.classicAddress, tag, isTestnet);
    }
    checkTxSerialization(serialized, tx) {
        var _a;
        const decoded = (0, ripple_binary_codec_1.decode)(serialized);
        const txCopy = Object.assign({}, tx);
        if (!decoded.TxnSignature && !decoded.Signers) {
            throw new errors_1.ValidationError('Serialized transaction must have a TxnSignature or Signers property');
        }
        delete decoded.TxnSignature;
        delete decoded.Signers;
        if (!tx.SigningPubKey) {
            delete decoded.SigningPubKey;
        }
        (_a = txCopy.Memos) === null || _a === void 0 ? void 0 : _a.map((memo) => {
            const memoCopy = Object.assign({}, memo);
            if (memo.Memo.MemoData) {
                if (!(0, utils_1.isHex)(memo.Memo.MemoData)) {
                    throw new errors_1.ValidationError('MemoData field must be a hex value');
                }
                memoCopy.Memo.MemoData = memo.Memo.MemoData.toUpperCase();
            }
            if (memo.Memo.MemoType) {
                if (!(0, utils_1.isHex)(memo.Memo.MemoType)) {
                    throw new errors_1.ValidationError('MemoType field must be a hex value');
                }
                memoCopy.Memo.MemoType = memo.Memo.MemoType.toUpperCase();
            }
            if (memo.Memo.MemoFormat) {
                if (!(0, utils_1.isHex)(memo.Memo.MemoFormat)) {
                    throw new errors_1.ValidationError('MemoFormat field must be a hex value');
                }
                memoCopy.Memo.MemoFormat = memo.Memo.MemoFormat.toUpperCase();
            }
            return memo;
        });
        if (txCopy.TransactionType === 'NFTokenMint' && txCopy.URI) {
            if (!(0, utils_1.isHex)(txCopy.URI)) {
                throw new errors_1.ValidationError('URI must be a hex value');
            }
            txCopy.URI = txCopy.URI.toUpperCase();
        }
        Object.keys(txCopy).forEach((key) => {
            const standard_currency_code_len = 3;
            if (txCopy[key] && (0, common_1.isIssuedCurrency)(txCopy[key])) {
                const decodedAmount = decoded[key];
                const decodedCurrency = decodedAmount.currency;
                const txCurrency = txCopy[key].currency;
                if (txCurrency.length === standard_currency_code_len &&
                    txCurrency.toUpperCase() === 'XRP') {
                    throw new errors_1.XrplError(`Trying to sign an issued currency with a similar standard code to XRP (received '${txCurrency}'). XRP is not an issued currency.`);
                }
                const amount = txCopy[key];
                if (amount.currency.length !== decodedCurrency.length) {
                    if (decodedCurrency.length === standard_currency_code_len) {
                        decodedAmount.currency = isoToHex(decodedCurrency);
                    }
                    else {
                        txCopy[key].currency = isoToHex(txCopy[key].currency);
                    }
                }
            }
        });
        if (!(0, isEqual_1.default)(decoded, txCopy)) {
            const data = {
                decoded,
                tx,
            };
            const error = new errors_1.ValidationError('Serialized transaction does not match original txJSON. See error.data', data);
            throw error;
        }
    }
}
Wallet.fromSecret = Wallet.fromSeed;
function computeSignature(tx, privateKey, signAs) {
    if (signAs) {
        const classicAddress = (0, ripple_address_codec_1.isValidXAddress)(signAs)
            ? (0, ripple_address_codec_1.xAddressToClassicAddress)(signAs).classicAddress
            : signAs;
        return (0, ripple_keypairs_1.sign)((0, ripple_binary_codec_1.encodeForMultisigning)(tx, classicAddress), privateKey);
    }
    return (0, ripple_keypairs_1.sign)((0, ripple_binary_codec_1.encodeForSigning)(tx), privateKey);
}
function removeTrailingZeros(tx) {
    if (tx.TransactionType === 'Payment' &&
        typeof tx.Amount !== 'string' &&
        tx.Amount.value.includes('.') &&
        tx.Amount.value.endsWith('0')) {
        tx.Amount = Object.assign({}, tx.Amount);
        tx.Amount.value = new bignumber_js_1.default(tx.Amount.value).toString();
    }
}
function isoToHex(iso) {
    const bytes = Buffer.alloc(20);
    if (iso !== 'XRP') {
        const isoBytes = iso.split('').map((chr) => chr.charCodeAt(0));
        bytes.set(isoBytes, 12);
    }
    return bytes.toString('hex').toUpperCase();
}
exports["default"] = Wallet;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 48940:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.keyToRFC1751Mnemonic = exports.rfc1751MnemonicToKey = void 0;
const rfc1751Words_json_1 = __importDefault(__webpack_require__(64171));
const rfc1751WordList = rfc1751Words_json_1.default;
const BINARY = ['0000', '0001', '0010', '0011', '0100', '0101', '0110', '0111',
    '1000', '1001', '1010', '1011', '1100', '1101', '1110', '1111'];
function keyToBinary(key) {
    let res = '';
    for (const num of key) {
        res += BINARY[num >> 4] + BINARY[num & 0x0f];
    }
    return res;
}
function extract(key, start, length) {
    const subKey = key.substring(start, start + length);
    let acc = 0;
    for (let index = 0; index < subKey.length; index++) {
        acc = acc * 2 + subKey.charCodeAt(index) - 48;
    }
    return acc;
}
function keyToRFC1751Mnemonic(hex_key) {
    const buf = Buffer.from(hex_key.replace(/\s+/gu, ''), 'hex');
    let key = bufferToArray(swap128(buf));
    const padding = [];
    for (let index = 0; index < (8 - (key.length % 8)) % 8; index++) {
        padding.push(0);
    }
    key = padding.concat(key);
    const english = [];
    for (let index = 0; index < key.length; index += 8) {
        const subKey = key.slice(index, index + 8);
        let skbin = keyToBinary(subKey);
        let parity = 0;
        for (let j = 0; j < 64; j += 2) {
            parity += extract(skbin, j, 2);
        }
        subKey.push((parity << 6) & 0xff);
        skbin = keyToBinary(subKey);
        for (let j = 0; j < 64; j += 11) {
            english.push(rfc1751WordList[extract(skbin, j, 11)]);
        }
    }
    return english.join(' ');
}
exports.keyToRFC1751Mnemonic = keyToRFC1751Mnemonic;
function rfc1751MnemonicToKey(english) {
    const words = english.split(' ');
    let key = [];
    for (let index = 0; index < words.length; index += 6) {
        const { subKey, word } = getSubKey(words, index);
        const skbin = keyToBinary(subKey);
        let parity = 0;
        for (let j = 0; j < 64; j += 2) {
            parity += extract(skbin, j, 2);
        }
        const cs0 = extract(skbin, 64, 2);
        const cs1 = parity & 3;
        if (cs0 !== cs1) {
            throw new Error(`Parity error at ${word}`);
        }
        key = key.concat(subKey.slice(0, 8));
    }
    const bufferKey = swap128(Buffer.from(key));
    return bufferKey;
}
exports.rfc1751MnemonicToKey = rfc1751MnemonicToKey;
function getSubKey(words, index) {
    const sublist = words.slice(index, index + 6);
    let bits = 0;
    const ch = [0, 0, 0, 0, 0, 0, 0, 0, 0];
    let word = '';
    for (word of sublist) {
        const idx = rfc1751WordList.indexOf(word.toUpperCase());
        if (idx === -1) {
            throw new TypeError(`Expected an RFC1751 word, but received '${word}'. ` +
                `For the full list of words in the RFC1751 encoding see https://datatracker.ietf.org/doc/html/rfc1751`);
        }
        const shift = (8 - ((bits + 11) % 8)) % 8;
        const y = idx << shift;
        const cl = y >> 16;
        const cc = (y >> 8) & 0xff;
        const cr = y & 0xff;
        const t = Math.floor(bits / 8);
        if (shift > 5) {
            ch[t] |= cl;
            ch[t + 1] |= cc;
            ch[t + 2] |= cr;
        }
        else if (shift > -3) {
            ch[t] |= cc;
            ch[t + 1] |= cr;
        }
        else {
            ch[t] |= cr;
        }
        bits += 11;
    }
    const subKey = ch.slice();
    return { subKey, word };
}
function bufferToArray(buf) {
    return Array.prototype.slice.call(buf);
}
function swap128(buf) {
    const reversedBytes = buf.swap64();
    return Buffer.concat([reversedBytes.slice(8, 16), reversedBytes.slice(0, 8)], 16);
}
//# sourceMappingURL=rfc1751.js.map

/***/ }),

/***/ 34498:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.multisign = exports.verifySignature = exports.authorizeChannel = void 0;
const bignumber_js_1 = __webpack_require__(44431);
const lodash_1 = __webpack_require__(96486);
const ripple_address_codec_1 = __webpack_require__(88914);
const ripple_binary_codec_1 = __webpack_require__(42353);
const ripple_keypairs_1 = __webpack_require__(29140);
const errors_1 = __webpack_require__(25615);
const transactions_1 = __webpack_require__(28714);
function multisign(transactions) {
    if (transactions.length === 0) {
        throw new errors_1.ValidationError('There were 0 transactions to multisign');
    }
    transactions.forEach((txOrBlob) => {
        const tx = getDecodedTransaction(txOrBlob);
        (0, transactions_1.validate)(tx);
        if (tx.Signers == null || tx.Signers.length === 0) {
            throw new errors_1.ValidationError("For multisigning all transactions must include a Signers field containing an array of signatures. You may have forgotten to pass the 'forMultisign' parameter when signing.");
        }
        if (tx.SigningPubKey !== '') {
            throw new errors_1.ValidationError('SigningPubKey must be an empty string for all transactions when multisigning.');
        }
    });
    const decodedTransactions = transactions.map((txOrBlob) => {
        return getDecodedTransaction(txOrBlob);
    });
    validateTransactionEquivalence(decodedTransactions);
    return (0, ripple_binary_codec_1.encode)(getTransactionWithAllSigners(decodedTransactions));
}
exports.multisign = multisign;
function authorizeChannel(wallet, channelId, amount) {
    const signingData = (0, ripple_binary_codec_1.encodeForSigningClaim)({
        channel: channelId,
        amount,
    });
    return (0, ripple_keypairs_1.sign)(signingData, wallet.privateKey);
}
exports.authorizeChannel = authorizeChannel;
function verifySignature(tx) {
    const decodedTx = getDecodedTransaction(tx);
    return (0, ripple_keypairs_1.verify)((0, ripple_binary_codec_1.encodeForSigning)(decodedTx), decodedTx.TxnSignature, decodedTx.SigningPubKey);
}
exports.verifySignature = verifySignature;
function validateTransactionEquivalence(transactions) {
    const exampleTransaction = JSON.stringify(Object.assign(Object.assign({}, transactions[0]), { Signers: null }));
    if (transactions
        .slice(1)
        .some((tx) => JSON.stringify(Object.assign(Object.assign({}, tx), { Signers: null })) !== exampleTransaction)) {
        throw new errors_1.ValidationError('txJSON is not the same for all signedTransactions');
    }
}
function getTransactionWithAllSigners(transactions) {
    const sortedSigners = (0, lodash_1.flatMap)(transactions, (tx) => { var _a; return (_a = tx.Signers) !== null && _a !== void 0 ? _a : []; }).sort(compareSigners);
    return Object.assign(Object.assign({}, transactions[0]), { Signers: sortedSigners });
}
function compareSigners(left, right) {
    return addressToBigNumber(left.Signer.Account).comparedTo(addressToBigNumber(right.Signer.Account));
}
function addressToBigNumber(address) {
    const hex = Buffer.from((0, ripple_address_codec_1.decodeAccountID)(address)).toString('hex');
    const numberOfBitsInHex = 16;
    return new bignumber_js_1.BigNumber(hex, numberOfBitsInHex);
}
function getDecodedTransaction(txOrBlob) {
    if (typeof txOrBlob === 'object') {
        return (0, ripple_binary_codec_1.decode)((0, ripple_binary_codec_1.encode)(txOrBlob));
    }
    return (0, ripple_binary_codec_1.decode)(txOrBlob);
}
//# sourceMappingURL=signer.js.map

/***/ }),

/***/ 77850:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const _1 = __webpack_require__(65643);
class BroadcastClient extends _1.Client {
    constructor(servers, options = {}) {
        super(servers[0], options);
        const clients = servers.map((server) => new _1.Client(server, options));
        this.clients = clients;
        this.getMethodNames().forEach((name) => {
            this[name] = (...args) => __awaiter(this, void 0, void 0, function* () { return Promise.race(clients.map((client) => __awaiter(this, void 0, void 0, function* () { return client[name](...args); }))); });
        });
        this.connect = () => __awaiter(this, void 0, void 0, function* () {
            yield Promise.all(clients.map((client) => __awaiter(this, void 0, void 0, function* () { return client.connect(); })));
        });
        this.disconnect = () => __awaiter(this, void 0, void 0, function* () {
            yield Promise.all(clients.map((client) => __awaiter(this, void 0, void 0, function* () { return client.disconnect(); })));
        });
        this.isConnected = () => clients.map((client) => client.isConnected()).every(Boolean);
        clients.forEach((client) => {
            client.on('error', (errorCode, errorMessage, data) => this.emit('error', errorCode, errorMessage, data));
        });
    }
    getMethodNames() {
        const methodNames = [];
        const firstClient = this.clients[0];
        const methods = Object.getOwnPropertyNames(firstClient);
        methods.push(...Object.getOwnPropertyNames(Object.getPrototypeOf(firstClient)));
        for (const name of methods) {
            if (typeof firstClient[name] === 'function' &&
                name !== 'constructor' &&
                name !== 'on') {
                methodNames.push(name);
            }
        }
        return methodNames;
    }
}
exports["default"] = BroadcastClient;
//# sourceMappingURL=BroadcastClient.js.map

/***/ }),

/***/ 62031:
/***/ (function(__unused_webpack_module, exports) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
class ConnectionManager {
    constructor() {
        this.promisesAwaitingConnection = [];
    }
    resolveAllAwaiting() {
        this.promisesAwaitingConnection.map(({ resolve }) => resolve());
        this.promisesAwaitingConnection = [];
    }
    rejectAllAwaiting(error) {
        this.promisesAwaitingConnection.map(({ reject }) => reject(error));
        this.promisesAwaitingConnection = [];
    }
    awaitConnection() {
        return __awaiter(this, void 0, void 0, function* () {
            return new Promise((resolve, reject) => {
                this.promisesAwaitingConnection.push({ resolve, reject });
            });
        });
    }
}
exports["default"] = ConnectionManager;
//# sourceMappingURL=ConnectionManager.js.map

/***/ }),

/***/ 77775:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const DEFAULT_MIN = 100;
const DEFAULT_MAX = 1000;
class ExponentialBackoff {
    constructor(opts = {}) {
        var _a, _b;
        this.factor = 2;
        this.numAttempts = 0;
        this.ms = (_a = opts.min) !== null && _a !== void 0 ? _a : DEFAULT_MIN;
        this.max = (_b = opts.max) !== null && _b !== void 0 ? _b : DEFAULT_MAX;
    }
    get attempts() {
        return this.numAttempts;
    }
    duration() {
        const ms = this.ms * Math.pow(this.factor, this.numAttempts);
        this.numAttempts += 1;
        return Math.floor(Math.min(ms, this.max));
    }
    reset() {
        this.numAttempts = 0;
    }
}
exports["default"] = ExponentialBackoff;
//# sourceMappingURL=ExponentialBackoff.js.map

/***/ }),

/***/ 37433:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const errors_1 = __webpack_require__(25615);
class RequestManager {
    constructor() {
        this.nextId = 0;
        this.promisesAwaitingResponse = new Map();
    }
    resolve(id, response) {
        const promise = this.promisesAwaitingResponse.get(id);
        if (promise == null) {
            throw new errors_1.XrplError(`No existing promise with id ${id}`, {
                type: 'resolve',
                response,
            });
        }
        clearTimeout(promise.timer);
        promise.resolve(response);
        this.deletePromise(id);
    }
    reject(id, error) {
        const promise = this.promisesAwaitingResponse.get(id);
        if (promise == null) {
            throw new errors_1.XrplError(`No existing promise with id ${id}`, {
                type: 'reject',
                error,
            });
        }
        clearTimeout(promise.timer);
        promise.reject(error);
        this.deletePromise(id);
    }
    rejectAll(error) {
        this.promisesAwaitingResponse.forEach((_promise, id, _map) => {
            this.reject(id, error);
            this.deletePromise(id);
        });
    }
    createRequest(request, timeout) {
        let newId;
        if (request.id == null) {
            newId = this.nextId;
            this.nextId += 1;
        }
        else {
            newId = request.id;
        }
        const newRequest = JSON.stringify(Object.assign(Object.assign({}, request), { id: newId }));
        const timer = setTimeout(() => {
            this.reject(newId, new errors_1.TimeoutError(`Timeout for request: ${JSON.stringify(request)} with id ${newId}`, request));
        }, timeout);
        if (timer.unref) {
            ;
            timer.unref();
        }
        if (this.promisesAwaitingResponse.has(newId)) {
            clearTimeout(timer);
            throw new errors_1.XrplError(`Response with id '${newId}' is already pending`, request);
        }
        const newPromise = new Promise((resolve, reject) => {
            this.promisesAwaitingResponse.set(newId, { resolve, reject, timer });
        });
        return [newId, newRequest, newPromise];
    }
    handleResponse(response) {
        var _a, _b;
        if (response.id == null ||
            !(typeof response.id === 'string' || typeof response.id === 'number')) {
            throw new errors_1.ResponseFormatError('valid id not found in response', response);
        }
        if (!this.promisesAwaitingResponse.has(response.id)) {
            return;
        }
        if (response.status == null) {
            const error = new errors_1.ResponseFormatError('Response has no status');
            this.reject(response.id, error);
        }
        if (response.status === 'error') {
            const errorResponse = response;
            const error = new errors_1.RippledError((_a = errorResponse.error_message) !== null && _a !== void 0 ? _a : errorResponse.error, errorResponse);
            this.reject(response.id, error);
            return;
        }
        if (response.status !== 'success') {
            const error = new errors_1.ResponseFormatError(`unrecognized response.status: ${(_b = response.status) !== null && _b !== void 0 ? _b : ''}`, response);
            this.reject(response.id, error);
            return;
        }
        delete response.status;
        this.resolve(response.id, response);
    }
    deletePromise(id) {
        this.promisesAwaitingResponse.delete(id);
    }
}
exports["default"] = RequestManager;
//# sourceMappingURL=RequestManager.js.map

/***/ }),

/***/ 47812:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const events_1 = __webpack_require__(17187);
class WSWrapper extends events_1.EventEmitter {
    constructor(url, _protocols, _websocketOptions) {
        super();
        this.setMaxListeners(Infinity);
        this.ws = new WebSocket(url);
        this.ws.onclose = (closeEvent) => {
            let reason;
            if (closeEvent.reason) {
                const enc = new TextEncoder();
                reason = enc.encode(closeEvent.reason);
            }
            this.emit('close', closeEvent.code, reason);
        };
        this.ws.onopen = () => {
            this.emit('open');
        };
        this.ws.onerror = (error) => {
            this.emit('error', error);
        };
        this.ws.onmessage = (message) => {
            this.emit('message', message.data);
        };
    }
    get readyState() {
        return this.ws.readyState;
    }
    close(code, reason) {
        if (this.readyState === 1) {
            this.ws.close(code, reason);
        }
    }
    send(message) {
        this.ws.send(message);
    }
}
exports["default"] = WSWrapper;
WSWrapper.CONNECTING = 0;
WSWrapper.OPEN = 1;
WSWrapper.CLOSING = 2;
WSWrapper.CLOSED = 3;
//# sourceMappingURL=WSWrapper.js.map

/***/ }),

/***/ 36162:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Connection = exports.INTENTIONAL_DISCONNECT_CODE = void 0;
const events_1 = __webpack_require__(17187);
const omitBy_1 = __importDefault(__webpack_require__(14176));
const ws_1 = __importDefault(__webpack_require__(47812));
const errors_1 = __webpack_require__(25615);
const ConnectionManager_1 = __importDefault(__webpack_require__(62031));
const ExponentialBackoff_1 = __importDefault(__webpack_require__(77775));
const RequestManager_1 = __importDefault(__webpack_require__(37433));
const SECONDS_PER_MINUTE = 60;
const TIMEOUT = 20;
const CONNECTION_TIMEOUT = 5;
exports.INTENTIONAL_DISCONNECT_CODE = 4000;
function getAgent(url, config) {
    if (config.proxy == null) {
        return undefined;
    }
    const parsedURL = new URL(url);
    const parsedProxyURL = new URL(config.proxy);
    const proxyOptions = (0, omitBy_1.default)({
        secureEndpoint: parsedURL.protocol === 'wss:',
        secureProxy: parsedProxyURL.protocol === 'https:',
        auth: config.proxyAuthorization,
        ca: config.trustedCertificates,
        key: config.key,
        passphrase: config.passphrase,
        cert: config.certificate,
        href: parsedProxyURL.href,
        origin: parsedProxyURL.origin,
        protocol: parsedProxyURL.protocol,
        username: parsedProxyURL.username,
        password: parsedProxyURL.password,
        host: parsedProxyURL.host,
        hostname: parsedProxyURL.hostname,
        port: parsedProxyURL.port,
        pathname: parsedProxyURL.pathname,
        search: parsedProxyURL.search,
        hash: parsedProxyURL.hash,
    }, (value) => value == null);
    let HttpsProxyAgent;
    try {
        HttpsProxyAgent = __webpack_require__(26155);
    }
    catch (_error) {
        throw new Error('"proxy" option is not supported in the browser');
    }
    return new HttpsProxyAgent(proxyOptions);
}
function createWebSocket(url, config) {
    const options = {};
    options.agent = getAgent(url, config);
    if (config.headers) {
        options.headers = config.headers;
    }
    if (config.authorization != null) {
        const base64 = Buffer.from(config.authorization).toString('base64');
        options.headers = Object.assign(Object.assign({}, options.headers), { Authorization: `Basic ${base64}` });
    }
    const optionsOverrides = (0, omitBy_1.default)({
        ca: config.trustedCertificates,
        key: config.key,
        passphrase: config.passphrase,
        cert: config.certificate,
    }, (value) => value == null);
    const websocketOptions = Object.assign(Object.assign({}, options), optionsOverrides);
    const websocket = new ws_1.default(url, websocketOptions);
    if (typeof websocket.setMaxListeners === 'function') {
        websocket.setMaxListeners(Infinity);
    }
    return websocket;
}
function websocketSendAsync(ws, message) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve, reject) => {
            ws.send(message, (error) => {
                if (error) {
                    reject(new errors_1.DisconnectedError(error.message, error));
                }
                else {
                    resolve();
                }
            });
        });
    });
}
class Connection extends events_1.EventEmitter {
    constructor(url, options = {}) {
        super();
        this.ws = null;
        this.reconnectTimeoutID = null;
        this.heartbeatIntervalID = null;
        this.retryConnectionBackoff = new ExponentialBackoff_1.default({
            min: 100,
            max: SECONDS_PER_MINUTE * 1000,
        });
        this.requestManager = new RequestManager_1.default();
        this.connectionManager = new ConnectionManager_1.default();
        this.trace = () => { };
        this.setMaxListeners(Infinity);
        this.url = url;
        this.config = Object.assign({ timeout: TIMEOUT * 1000, connectionTimeout: CONNECTION_TIMEOUT * 1000 }, options);
        if (typeof options.trace === 'function') {
            this.trace = options.trace;
        }
        else if (options.trace) {
            this.trace = console.log;
        }
    }
    get state() {
        return this.ws ? this.ws.readyState : ws_1.default.CLOSED;
    }
    get shouldBeConnected() {
        return this.ws !== null;
    }
    isConnected() {
        return this.state === ws_1.default.OPEN;
    }
    connect() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.isConnected()) {
                return Promise.resolve();
            }
            if (this.state === ws_1.default.CONNECTING) {
                return this.connectionManager.awaitConnection();
            }
            if (!this.url) {
                return Promise.reject(new errors_1.ConnectionError('Cannot connect because no server was specified'));
            }
            if (this.ws != null) {
                return Promise.reject(new errors_1.XrplError('Websocket connection never cleaned up.', {
                    state: this.state,
                }));
            }
            const connectionTimeoutID = setTimeout(() => {
                this.onConnectionFailed(new errors_1.ConnectionError(`Error: connect() timed out after ${this.config.connectionTimeout} ms. If your internet connection is working, the ` +
                    `rippled server may be blocked or inaccessible. You can also try setting the 'connectionTimeout' option in the Client constructor.`));
            }, this.config.connectionTimeout);
            this.ws = createWebSocket(this.url, this.config);
            if (this.ws == null) {
                throw new errors_1.XrplError('Connect: created null websocket');
            }
            this.ws.on('error', (error) => this.onConnectionFailed(error));
            this.ws.on('error', () => clearTimeout(connectionTimeoutID));
            this.ws.on('close', (reason) => this.onConnectionFailed(reason));
            this.ws.on('close', () => clearTimeout(connectionTimeoutID));
            this.ws.once('open', () => {
                void this.onceOpen(connectionTimeoutID);
            });
            return this.connectionManager.awaitConnection();
        });
    }
    disconnect() {
        return __awaiter(this, void 0, void 0, function* () {
            this.clearHeartbeatInterval();
            if (this.reconnectTimeoutID !== null) {
                clearTimeout(this.reconnectTimeoutID);
                this.reconnectTimeoutID = null;
            }
            if (this.state === ws_1.default.CLOSED) {
                return Promise.resolve(undefined);
            }
            if (this.ws == null) {
                return Promise.resolve(undefined);
            }
            return new Promise((resolve) => {
                if (this.ws == null) {
                    resolve(undefined);
                }
                if (this.ws != null) {
                    this.ws.once('close', (code) => resolve(code));
                }
                if (this.ws != null && this.state !== ws_1.default.CLOSING) {
                    this.ws.close(exports.INTENTIONAL_DISCONNECT_CODE);
                }
            });
        });
    }
    reconnect() {
        return __awaiter(this, void 0, void 0, function* () {
            this.emit('reconnect');
            yield this.disconnect();
            yield this.connect();
        });
    }
    request(request, timeout) {
        return __awaiter(this, void 0, void 0, function* () {
            if (!this.shouldBeConnected || this.ws == null) {
                throw new errors_1.NotConnectedError(JSON.stringify(request), request);
            }
            const [id, message, responsePromise] = this.requestManager.createRequest(request, timeout !== null && timeout !== void 0 ? timeout : this.config.timeout);
            this.trace('send', message);
            websocketSendAsync(this.ws, message).catch((error) => {
                this.requestManager.reject(id, error);
            });
            return responsePromise;
        });
    }
    getUrl() {
        var _a;
        return (_a = this.url) !== null && _a !== void 0 ? _a : '';
    }
    onMessage(message) {
        this.trace('receive', message);
        let data;
        try {
            data = JSON.parse(message);
        }
        catch (error) {
            if (error instanceof Error) {
                this.emit('error', 'badMessage', error.message, message);
            }
            return;
        }
        if (data.type == null && data.error) {
            this.emit('error', data.error, data.error_message, data);
            return;
        }
        if (data.type) {
            this.emit(data.type, data);
        }
        if (data.type === 'response') {
            try {
                this.requestManager.handleResponse(data);
            }
            catch (error) {
                if (error instanceof Error) {
                    this.emit('error', 'badMessage', error.message, message);
                }
                else {
                    this.emit('error', 'badMessage', error, error);
                }
            }
        }
    }
    onceOpen(connectionTimeoutID) {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.ws == null) {
                throw new errors_1.XrplError('onceOpen: ws is null');
            }
            this.ws.removeAllListeners();
            clearTimeout(connectionTimeoutID);
            this.ws.on('message', (message) => this.onMessage(message));
            this.ws.on('error', (error) => this.emit('error', 'websocket', error.message, error));
            this.ws.once('close', (code, reason) => {
                if (this.ws == null) {
                    throw new errors_1.XrplError('onceClose: ws is null');
                }
                this.clearHeartbeatInterval();
                this.requestManager.rejectAll(new errors_1.DisconnectedError(`websocket was closed, ${new TextDecoder('utf-8').decode(reason)}`));
                this.ws.removeAllListeners();
                this.ws = null;
                if (code === undefined) {
                    const internalErrorCode = 1011;
                    this.emit('disconnected', internalErrorCode);
                }
                else {
                    this.emit('disconnected', code);
                }
                if (code !== exports.INTENTIONAL_DISCONNECT_CODE && code !== undefined) {
                    this.intentionalDisconnect();
                }
            });
            try {
                this.retryConnectionBackoff.reset();
                this.startHeartbeatInterval();
                this.connectionManager.resolveAllAwaiting();
                this.emit('connected');
            }
            catch (error) {
                if (error instanceof Error) {
                    this.connectionManager.rejectAllAwaiting(error);
                    yield this.disconnect().catch(() => { });
                }
            }
        });
    }
    intentionalDisconnect() {
        const retryTimeout = this.retryConnectionBackoff.duration();
        this.trace('reconnect', `Retrying connection in ${retryTimeout}ms.`);
        this.emit('reconnecting', this.retryConnectionBackoff.attempts);
        this.reconnectTimeoutID = setTimeout(() => {
            this.reconnect().catch((error) => {
                this.emit('error', 'reconnect', error.message, error);
            });
        }, retryTimeout);
    }
    clearHeartbeatInterval() {
        if (this.heartbeatIntervalID) {
            clearInterval(this.heartbeatIntervalID);
        }
    }
    startHeartbeatInterval() {
        this.clearHeartbeatInterval();
        this.heartbeatIntervalID = setInterval(() => {
            void this.heartbeat();
        }, this.config.timeout);
    }
    heartbeat() {
        return __awaiter(this, void 0, void 0, function* () {
            this.request({ command: 'ping' }).catch(() => __awaiter(this, void 0, void 0, function* () {
                return this.reconnect().catch((error) => {
                    this.emit('error', 'reconnect', error.message, error);
                });
            }));
        });
    }
    onConnectionFailed(errorOrCode) {
        if (this.ws) {
            this.ws.removeAllListeners();
            this.ws.on('error', () => {
            });
            this.ws.close();
            this.ws = null;
        }
        if (typeof errorOrCode === 'number') {
            this.connectionManager.rejectAllAwaiting(new errors_1.NotConnectedError(`Connection failed with code ${errorOrCode}.`, {
                code: errorOrCode,
            }));
        }
        else if (errorOrCode === null || errorOrCode === void 0 ? void 0 : errorOrCode.message) {
            this.connectionManager.rejectAllAwaiting(new errors_1.NotConnectedError(errorOrCode.message, errorOrCode));
        }
        else {
            this.connectionManager.rejectAllAwaiting(new errors_1.NotConnectedError('Connection failed.'));
        }
    }
}
exports.Connection = Connection;
//# sourceMappingURL=connection.js.map

/***/ }),

/***/ 65643:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Client = void 0;
const assert = __importStar(__webpack_require__(69282));
const events_1 = __webpack_require__(17187);
const errors_1 = __webpack_require__(25615);
const sugar_1 = __webpack_require__(61021);
const fundWallet_1 = __importDefault(__webpack_require__(94667));
const connection_1 = __webpack_require__(36162);
const partialPayment_1 = __webpack_require__(29653);
function getCollectKeyFromCommand(command) {
    switch (command) {
        case 'account_channels':
            return 'channels';
        case 'account_lines':
            return 'lines';
        case 'account_objects':
            return 'account_objects';
        case 'account_tx':
            return 'transactions';
        case 'account_offers':
        case 'book_offers':
            return 'offers';
        case 'ledger_data':
            return 'state';
        default:
            return null;
    }
}
function clamp(value, min, max) {
    assert.ok(min <= max, 'Illegal clamp bounds');
    return Math.min(Math.max(value, min), max);
}
const DEFAULT_FEE_CUSHION = 1.2;
const DEFAULT_MAX_FEE_XRP = '2';
const MIN_LIMIT = 10;
const MAX_LIMIT = 400;
const NORMAL_DISCONNECT_CODE = 1000;
class Client extends events_1.EventEmitter {
    constructor(server, options = {}) {
        var _a, _b;
        super();
        this.autofill = sugar_1.autofill;
        this.submit = sugar_1.submit;
        this.submitAndWait = sugar_1.submitAndWait;
        this.prepareTransaction = sugar_1.autofill;
        this.getXrpBalance = sugar_1.getXrpBalance;
        this.getBalances = sugar_1.getBalances;
        this.getOrderbook = sugar_1.getOrderbook;
        this.getLedgerIndex = sugar_1.getLedgerIndex;
        this.fundWallet = fundWallet_1.default;
        if (typeof server !== 'string' || !/wss?(?:\+unix)?:\/\//u.exec(server)) {
            throw new errors_1.ValidationError('server URI must start with `wss://`, `ws://`, `wss+unix://`, or `ws+unix://`.');
        }
        this.feeCushion = (_a = options.feeCushion) !== null && _a !== void 0 ? _a : DEFAULT_FEE_CUSHION;
        this.maxFeeXRP = (_b = options.maxFeeXRP) !== null && _b !== void 0 ? _b : DEFAULT_MAX_FEE_XRP;
        this.connection = new connection_1.Connection(server, options);
        this.connection.on('error', (errorCode, errorMessage, data) => {
            this.emit('error', errorCode, errorMessage, data);
        });
        this.connection.on('connected', () => {
            this.emit('connected');
        });
        this.connection.on('disconnected', (code) => {
            let finalCode = code;
            if (finalCode === connection_1.INTENTIONAL_DISCONNECT_CODE) {
                finalCode = NORMAL_DISCONNECT_CODE;
            }
            this.emit('disconnected', finalCode);
        });
        this.connection.on('ledgerClosed', (ledger) => {
            this.emit('ledgerClosed', ledger);
        });
        this.connection.on('transaction', (tx) => {
            (0, partialPayment_1.handleStreamPartialPayment)(tx, this.connection.trace);
            this.emit('transaction', tx);
        });
        this.connection.on('validationReceived', (validation) => {
            this.emit('validationReceived', validation);
        });
        this.connection.on('manifestReceived', (manifest) => {
            this.emit('manifestReceived', manifest);
        });
        this.connection.on('peerStatusChange', (status) => {
            this.emit('peerStatusChange', status);
        });
        this.connection.on('consensusPhase', (consensus) => {
            this.emit('consensusPhase', consensus);
        });
        this.connection.on('path_find', (path) => {
            this.emit('path_find', path);
        });
    }
    get url() {
        return this.connection.getUrl();
    }
    request(req) {
        return __awaiter(this, void 0, void 0, function* () {
            const response = (yield this.connection.request(Object.assign(Object.assign({}, req), { account: req.account
                    ?
                        (0, sugar_1.ensureClassicAddress)(req.account)
                    : undefined })));
            (0, partialPayment_1.handlePartialPayment)(req.command, response);
            return response;
        });
    }
    requestNextPage(req, resp) {
        return __awaiter(this, void 0, void 0, function* () {
            if (!resp.result.marker) {
                return Promise.reject(new errors_1.NotFoundError('response does not have a next page'));
            }
            const nextPageRequest = Object.assign(Object.assign({}, req), { marker: resp.result.marker });
            return this.request(nextPageRequest);
        });
    }
    on(eventName, listener) {
        return super.on(eventName, listener);
    }
    requestAll(request, collect) {
        return __awaiter(this, void 0, void 0, function* () {
            const collectKey = collect !== null && collect !== void 0 ? collect : getCollectKeyFromCommand(request.command);
            if (!collectKey) {
                throw new errors_1.ValidationError(`no collect key for command ${request.command}`);
            }
            const countTo = request.limit == null ? Infinity : request.limit;
            let count = 0;
            let marker = request.marker;
            let lastBatchLength;
            const results = [];
            do {
                const countRemaining = clamp(countTo - count, MIN_LIMIT, MAX_LIMIT);
                const repeatProps = Object.assign(Object.assign({}, request), { limit: countRemaining, marker });
                const singleResponse = yield this.connection.request(repeatProps);
                const singleResult = singleResponse.result;
                if (!(collectKey in singleResult)) {
                    throw new errors_1.XrplError(`${collectKey} not in result`);
                }
                const collectedData = singleResult[collectKey];
                marker = singleResult.marker;
                results.push(singleResponse);
                if (Array.isArray(collectedData)) {
                    count += collectedData.length;
                    lastBatchLength = collectedData.length;
                }
                else {
                    lastBatchLength = 0;
                }
            } while (Boolean(marker) && count < countTo && lastBatchLength !== 0);
            return results;
        });
    }
    connect() {
        return __awaiter(this, void 0, void 0, function* () {
            return this.connection.connect();
        });
    }
    disconnect() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.connection.disconnect();
        });
    }
    isConnected() {
        return this.connection.isConnected();
    }
}
exports.Client = Client;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 29653:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.handleStreamPartialPayment = exports.handlePartialPayment = void 0;
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const ripple_binary_codec_1 = __webpack_require__(42353);
const transactions_1 = __webpack_require__(28714);
const utils_1 = __webpack_require__(38484);
const WARN_PARTIAL_PAYMENT_CODE = 2001;
function amountsEqual(amt1, amt2) {
    if (typeof amt1 === 'string' && typeof amt2 === 'string') {
        return amt1 === amt2;
    }
    if (typeof amt1 === 'string' || typeof amt2 === 'string') {
        return false;
    }
    const aValue = new bignumber_js_1.default(amt1.value);
    const bValue = new bignumber_js_1.default(amt2.value);
    return (amt1.currency === amt2.currency &&
        amt1.issuer === amt2.issuer &&
        aValue.isEqualTo(bValue));
}
function isPartialPayment(tx, metadata) {
    var _a;
    if (tx == null || metadata == null || tx.TransactionType !== 'Payment') {
        return false;
    }
    let meta = metadata;
    if (typeof meta === 'string') {
        if (meta === 'unavailable') {
            return false;
        }
        meta = (0, ripple_binary_codec_1.decode)(meta);
    }
    const tfPartial = typeof tx.Flags === 'number'
        ? (0, utils_1.isFlagEnabled)(tx.Flags, transactions_1.PaymentFlags.tfPartialPayment)
        : (_a = tx.Flags) === null || _a === void 0 ? void 0 : _a.tfPartialPayment;
    if (!tfPartial) {
        return false;
    }
    const delivered = meta.delivered_amount;
    const amount = tx.Amount;
    if (delivered === undefined) {
        return false;
    }
    return !amountsEqual(delivered, amount);
}
function txHasPartialPayment(response) {
    return isPartialPayment(response.result, response.result.meta);
}
function txEntryHasPartialPayment(response) {
    return isPartialPayment(response.result.tx_json, response.result.metadata);
}
function accountTxHasPartialPayment(response) {
    const { transactions } = response.result;
    const foo = transactions.some((tx) => isPartialPayment(tx.tx, tx.meta));
    return foo;
}
function hasPartialPayment(command, response) {
    switch (command) {
        case 'tx':
            return txHasPartialPayment(response);
        case 'transaction_entry':
            return txEntryHasPartialPayment(response);
        case 'account_tx':
            return accountTxHasPartialPayment(response);
        default:
            return false;
    }
}
function handlePartialPayment(command, response) {
    var _a;
    if (hasPartialPayment(command, response)) {
        const warnings = (_a = response.warnings) !== null && _a !== void 0 ? _a : [];
        const warning = {
            id: WARN_PARTIAL_PAYMENT_CODE,
            message: 'This response contains a Partial Payment',
        };
        warnings.push(warning);
        response.warnings = warnings;
    }
}
exports.handlePartialPayment = handlePartialPayment;
function handleStreamPartialPayment(stream, log) {
    var _a;
    if (isPartialPayment(stream.transaction, stream.meta)) {
        const warnings = (_a = stream.warnings) !== null && _a !== void 0 ? _a : [];
        const warning = {
            id: WARN_PARTIAL_PAYMENT_CODE,
            message: 'This response contains a Partial Payment',
        };
        warnings.push(warning);
        stream.warnings = warnings;
        log('Partial payment received', JSON.stringify(stream));
    }
}
exports.handleStreamPartialPayment = handleStreamPartialPayment;
//# sourceMappingURL=partialPayment.js.map

/***/ }),

/***/ 25615:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.XRPLFaucetError = exports.NotFoundError = exports.ValidationError = exports.ResponseFormatError = exports.TimeoutError = exports.RippledNotInitializedError = exports.DisconnectedError = exports.NotConnectedError = exports.RippledError = exports.ConnectionError = exports.UnexpectedError = exports.XrplError = void 0;
const util_1 = __webpack_require__(89539);
class XrplError extends Error {
    constructor(message = '', data) {
        super(message);
        this.name = this.constructor.name;
        this.message = message;
        this.data = data;
        if (Error.captureStackTrace != null) {
            Error.captureStackTrace(this, this.constructor);
        }
    }
    toString() {
        let result = `[${this.name}(${this.message}`;
        if (this.data) {
            result += `, ${(0, util_1.inspect)(this.data)}`;
        }
        result += ')]';
        return result;
    }
    inspect() {
        return this.toString();
    }
}
exports.XrplError = XrplError;
class RippledError extends XrplError {
}
exports.RippledError = RippledError;
class UnexpectedError extends XrplError {
}
exports.UnexpectedError = UnexpectedError;
class ConnectionError extends XrplError {
}
exports.ConnectionError = ConnectionError;
class NotConnectedError extends ConnectionError {
}
exports.NotConnectedError = NotConnectedError;
class DisconnectedError extends ConnectionError {
}
exports.DisconnectedError = DisconnectedError;
class RippledNotInitializedError extends ConnectionError {
}
exports.RippledNotInitializedError = RippledNotInitializedError;
class TimeoutError extends ConnectionError {
}
exports.TimeoutError = TimeoutError;
class ResponseFormatError extends ConnectionError {
}
exports.ResponseFormatError = ResponseFormatError;
class ValidationError extends XrplError {
}
exports.ValidationError = ValidationError;
class XRPLFaucetError extends XrplError {
}
exports.XRPLFaucetError = XRPLFaucetError;
class NotFoundError extends XrplError {
    constructor(message = 'Not found') {
        super(message);
    }
}
exports.NotFoundError = NotFoundError;
//# sourceMappingURL=errors.js.map

/***/ }),

/***/ 48726:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.rfc1751MnemonicToKey = exports.keyToRFC1751Mnemonic = exports.Wallet = exports.Client = exports.BroadcastClient = void 0;
var BroadcastClient_1 = __webpack_require__(77850);
Object.defineProperty(exports, "BroadcastClient", ({ enumerable: true, get: function () { return __importDefault(BroadcastClient_1).default; } }));
var client_1 = __webpack_require__(65643);
Object.defineProperty(exports, "Client", ({ enumerable: true, get: function () { return client_1.Client; } }));
__exportStar(__webpack_require__(86676), exports);
__exportStar(__webpack_require__(6607), exports);
__exportStar(__webpack_require__(25615), exports);
var Wallet_1 = __webpack_require__(69959);
Object.defineProperty(exports, "Wallet", ({ enumerable: true, get: function () { return __importDefault(Wallet_1).default; } }));
var rfc1751_1 = __webpack_require__(48940);
Object.defineProperty(exports, "keyToRFC1751Mnemonic", ({ enumerable: true, get: function () { return rfc1751_1.keyToRFC1751Mnemonic; } }));
Object.defineProperty(exports, "rfc1751MnemonicToKey", ({ enumerable: true, get: function () { return rfc1751_1.rfc1751MnemonicToKey; } }));
__exportStar(__webpack_require__(34498), exports);
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 86676:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.parseAccountRootFlags = exports.setTransactionFlagsToNumber = exports.LedgerEntry = void 0;
exports.LedgerEntry = __importStar(__webpack_require__(71704));
var flags_1 = __webpack_require__(34279);
Object.defineProperty(exports, "setTransactionFlagsToNumber", ({ enumerable: true, get: function () { return flags_1.setTransactionFlagsToNumber; } }));
Object.defineProperty(exports, "parseAccountRootFlags", ({ enumerable: true, get: function () { return flags_1.parseAccountRootFlags; } }));
__exportStar(__webpack_require__(24309), exports);
__exportStar(__webpack_require__(28714), exports);
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 98245:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.AccountRootFlags = void 0;
var AccountRootFlags;
(function (AccountRootFlags) {
    AccountRootFlags[AccountRootFlags["lsfPasswordSpent"] = 65536] = "lsfPasswordSpent";
    AccountRootFlags[AccountRootFlags["lsfRequireDestTag"] = 131072] = "lsfRequireDestTag";
    AccountRootFlags[AccountRootFlags["lsfRequireAuth"] = 262144] = "lsfRequireAuth";
    AccountRootFlags[AccountRootFlags["lsfDisallowXRP"] = 524288] = "lsfDisallowXRP";
    AccountRootFlags[AccountRootFlags["lsfDisableMaster"] = 1048576] = "lsfDisableMaster";
    AccountRootFlags[AccountRootFlags["lsfNoFreeze"] = 2097152] = "lsfNoFreeze";
    AccountRootFlags[AccountRootFlags["lsfGlobalFreeze"] = 4194304] = "lsfGlobalFreeze";
    AccountRootFlags[AccountRootFlags["lsfDefaultRipple"] = 8388608] = "lsfDefaultRipple";
    AccountRootFlags[AccountRootFlags["lsfDepositAuth"] = 16777216] = "lsfDepositAuth";
    AccountRootFlags[AccountRootFlags["lsfDisallowIncomingNFTokenOffer"] = 67108864] = "lsfDisallowIncomingNFTokenOffer";
    AccountRootFlags[AccountRootFlags["lsfDisallowIncomingCheck"] = 134217728] = "lsfDisallowIncomingCheck";
    AccountRootFlags[AccountRootFlags["lsfDisallowIncomingPayChan"] = 268435456] = "lsfDisallowIncomingPayChan";
    AccountRootFlags[AccountRootFlags["lsfDisallowIncomingTrustline"] = 536870912] = "lsfDisallowIncomingTrustline";
})(AccountRootFlags = exports.AccountRootFlags || (exports.AccountRootFlags = {}));
//# sourceMappingURL=AccountRoot.js.map

/***/ }),

/***/ 59910:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.OfferFlags = void 0;
var OfferFlags;
(function (OfferFlags) {
    OfferFlags[OfferFlags["lsfPassive"] = 65536] = "lsfPassive";
    OfferFlags[OfferFlags["lsfSell"] = 131072] = "lsfSell";
})(OfferFlags = exports.OfferFlags || (exports.OfferFlags = {}));
//# sourceMappingURL=Offer.js.map

/***/ }),

/***/ 93705:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.RippleStateFlags = void 0;
var RippleStateFlags;
(function (RippleStateFlags) {
    RippleStateFlags[RippleStateFlags["lsfLowReserve"] = 65536] = "lsfLowReserve";
    RippleStateFlags[RippleStateFlags["lsfHighReserve"] = 131072] = "lsfHighReserve";
    RippleStateFlags[RippleStateFlags["lsfLowAuth"] = 262144] = "lsfLowAuth";
    RippleStateFlags[RippleStateFlags["lsfHighAuth"] = 524288] = "lsfHighAuth";
    RippleStateFlags[RippleStateFlags["lsfLowNoRipple"] = 1048576] = "lsfLowNoRipple";
    RippleStateFlags[RippleStateFlags["lsfHighNoRipple"] = 2097152] = "lsfHighNoRipple";
    RippleStateFlags[RippleStateFlags["lsfLowFreeze"] = 4194304] = "lsfLowFreeze";
    RippleStateFlags[RippleStateFlags["lsfHighFreeze"] = 8388608] = "lsfHighFreeze";
})(RippleStateFlags = exports.RippleStateFlags || (exports.RippleStateFlags = {}));
//# sourceMappingURL=RippleState.js.map

/***/ }),

/***/ 47329:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.SignerListFlags = void 0;
var SignerListFlags;
(function (SignerListFlags) {
    SignerListFlags[SignerListFlags["lsfOneOwnerCount"] = 65536] = "lsfOneOwnerCount";
})(SignerListFlags = exports.SignerListFlags || (exports.SignerListFlags = {}));
//# sourceMappingURL=SignerList.js.map

/***/ }),

/***/ 71704:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.SignerListFlags = exports.RippleStateFlags = exports.OfferFlags = exports.AccountRootFlags = void 0;
const AccountRoot_1 = __webpack_require__(98245);
Object.defineProperty(exports, "AccountRootFlags", ({ enumerable: true, get: function () { return AccountRoot_1.AccountRootFlags; } }));
const Offer_1 = __webpack_require__(59910);
Object.defineProperty(exports, "OfferFlags", ({ enumerable: true, get: function () { return Offer_1.OfferFlags; } }));
const RippleState_1 = __webpack_require__(93705);
Object.defineProperty(exports, "RippleStateFlags", ({ enumerable: true, get: function () { return RippleState_1.RippleStateFlags; } }));
const SignerList_1 = __webpack_require__(47329);
Object.defineProperty(exports, "SignerListFlags", ({ enumerable: true, get: function () { return SignerList_1.SignerListFlags; } }));
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 24309:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 95832:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateNFTokenAcceptOffer = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateNFTokenBrokerFee(tx) {
    const value = (0, common_1.parseAmountValue)(tx.NFTokenBrokerFee);
    if (Number.isNaN(value)) {
        throw new errors_1.ValidationError('NFTokenAcceptOffer: invalid NFTokenBrokerFee');
    }
    if (value <= 0) {
        throw new errors_1.ValidationError('NFTokenAcceptOffer: NFTokenBrokerFee must be greater than 0; omit if there is no fee');
    }
    if (tx.NFTokenSellOffer == null || tx.NFTokenBuyOffer == null) {
        throw new errors_1.ValidationError('NFTokenAcceptOffer: both NFTokenSellOffer and NFTokenBuyOffer must be set if using brokered mode');
    }
}
function validateNFTokenAcceptOffer(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.NFTokenBrokerFee != null) {
        validateNFTokenBrokerFee(tx);
    }
    if (tx.NFTokenSellOffer == null && tx.NFTokenBuyOffer == null) {
        throw new errors_1.ValidationError('NFTokenAcceptOffer: must set either NFTokenSellOffer or NFTokenBuyOffer');
    }
}
exports.validateNFTokenAcceptOffer = validateNFTokenAcceptOffer;
//# sourceMappingURL=NFTokenAcceptOffer.js.map

/***/ }),

/***/ 20769:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateNFTokenBurn = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateNFTokenBurn(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.NFTokenID == null) {
        throw new errors_1.ValidationError('NFTokenBurn: missing field NFTokenID');
    }
}
exports.validateNFTokenBurn = validateNFTokenBurn;
//# sourceMappingURL=NFTokenBurn.js.map

/***/ }),

/***/ 57726:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateNFTokenCancelOffer = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateNFTokenCancelOffer(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (!Array.isArray(tx.NFTokenOffers)) {
        throw new errors_1.ValidationError('NFTokenCancelOffer: missing field NFTokenOffers');
    }
    if (tx.NFTokenOffers.length < 1) {
        throw new errors_1.ValidationError('NFTokenCancelOffer: empty field NFTokenOffers');
    }
}
exports.validateNFTokenCancelOffer = validateNFTokenCancelOffer;
//# sourceMappingURL=NFTokenCancelOffer.js.map

/***/ }),

/***/ 2591:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateNFTokenCreateOffer = exports.NFTokenCreateOfferFlags = void 0;
const errors_1 = __webpack_require__(25615);
const utils_1 = __webpack_require__(38484);
const common_1 = __webpack_require__(49633);
var NFTokenCreateOfferFlags;
(function (NFTokenCreateOfferFlags) {
    NFTokenCreateOfferFlags[NFTokenCreateOfferFlags["tfSellNFToken"] = 1] = "tfSellNFToken";
})(NFTokenCreateOfferFlags = exports.NFTokenCreateOfferFlags || (exports.NFTokenCreateOfferFlags = {}));
function validateNFTokenSellOfferCases(tx) {
    if (tx.Owner != null) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: Owner must not be present for sell offers');
    }
}
function validateNFTokenBuyOfferCases(tx) {
    if (tx.Owner == null) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: Owner must be present for buy offers');
    }
    if ((0, common_1.parseAmountValue)(tx.Amount) <= 0) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: Amount must be greater than 0 for buy offers');
    }
}
function validateNFTokenCreateOffer(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Account === tx.Owner) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: Owner and Account must not be equal');
    }
    if (tx.Account === tx.Destination) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: Destination and Account must not be equal');
    }
    if (tx.NFTokenID == null) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: missing field NFTokenID');
    }
    if (!(0, common_1.isAmount)(tx.Amount)) {
        throw new errors_1.ValidationError('NFTokenCreateOffer: invalid Amount');
    }
    if (typeof tx.Flags === 'number' &&
        (0, utils_1.isFlagEnabled)(tx.Flags, NFTokenCreateOfferFlags.tfSellNFToken)) {
        validateNFTokenSellOfferCases(tx);
    }
    else {
        validateNFTokenBuyOfferCases(tx);
    }
}
exports.validateNFTokenCreateOffer = validateNFTokenCreateOffer;
//# sourceMappingURL=NFTokenCreateOffer.js.map

/***/ }),

/***/ 38278:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateNFTokenMint = exports.NFTokenMintFlags = void 0;
const errors_1 = __webpack_require__(25615);
const utils_1 = __webpack_require__(38484);
const common_1 = __webpack_require__(49633);
var NFTokenMintFlags;
(function (NFTokenMintFlags) {
    NFTokenMintFlags[NFTokenMintFlags["tfBurnable"] = 1] = "tfBurnable";
    NFTokenMintFlags[NFTokenMintFlags["tfOnlyXRP"] = 2] = "tfOnlyXRP";
    NFTokenMintFlags[NFTokenMintFlags["tfTrustLine"] = 4] = "tfTrustLine";
    NFTokenMintFlags[NFTokenMintFlags["tfTransferable"] = 8] = "tfTransferable";
})(NFTokenMintFlags = exports.NFTokenMintFlags || (exports.NFTokenMintFlags = {}));
function validateNFTokenMint(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Account === tx.Issuer) {
        throw new errors_1.ValidationError('NFTokenMint: Issuer must not be equal to Account');
    }
    if (typeof tx.URI === 'string' && !(0, utils_1.isHex)(tx.URI)) {
        throw new errors_1.ValidationError('NFTokenMint: URI must be in hex format');
    }
    if (tx.NFTokenTaxon == null) {
        throw new errors_1.ValidationError('NFTokenMint: missing field NFTokenTaxon');
    }
}
exports.validateNFTokenMint = validateNFTokenMint;
//# sourceMappingURL=NFTokenMint.js.map

/***/ }),

/***/ 523:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateAccountDelete = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateAccountDelete(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Destination === undefined) {
        throw new errors_1.ValidationError('AccountDelete: missing field Destination');
    }
    if (typeof tx.Destination !== 'string') {
        throw new errors_1.ValidationError('AccountDelete: invalid Destination');
    }
    if (tx.DestinationTag !== undefined &&
        typeof tx.DestinationTag !== 'number') {
        throw new errors_1.ValidationError('AccountDelete: invalid DestinationTag');
    }
}
exports.validateAccountDelete = validateAccountDelete;
//# sourceMappingURL=accountDelete.js.map

/***/ }),

/***/ 45889:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateAccountSet = exports.AccountSetTfFlags = exports.AccountSetAsfFlags = void 0;
const ripple_address_codec_1 = __webpack_require__(88914);
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
var AccountSetAsfFlags;
(function (AccountSetAsfFlags) {
    AccountSetAsfFlags[AccountSetAsfFlags["asfRequireDest"] = 1] = "asfRequireDest";
    AccountSetAsfFlags[AccountSetAsfFlags["asfRequireAuth"] = 2] = "asfRequireAuth";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisallowXRP"] = 3] = "asfDisallowXRP";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisableMaster"] = 4] = "asfDisableMaster";
    AccountSetAsfFlags[AccountSetAsfFlags["asfAccountTxnID"] = 5] = "asfAccountTxnID";
    AccountSetAsfFlags[AccountSetAsfFlags["asfNoFreeze"] = 6] = "asfNoFreeze";
    AccountSetAsfFlags[AccountSetAsfFlags["asfGlobalFreeze"] = 7] = "asfGlobalFreeze";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDefaultRipple"] = 8] = "asfDefaultRipple";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDepositAuth"] = 9] = "asfDepositAuth";
    AccountSetAsfFlags[AccountSetAsfFlags["asfAuthorizedNFTokenMinter"] = 10] = "asfAuthorizedNFTokenMinter";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisallowIncomingNFTokenOffer"] = 12] = "asfDisallowIncomingNFTokenOffer";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisallowIncomingCheck"] = 13] = "asfDisallowIncomingCheck";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisallowIncomingPayChan"] = 14] = "asfDisallowIncomingPayChan";
    AccountSetAsfFlags[AccountSetAsfFlags["asfDisallowIncomingTrustline"] = 15] = "asfDisallowIncomingTrustline";
})(AccountSetAsfFlags = exports.AccountSetAsfFlags || (exports.AccountSetAsfFlags = {}));
var AccountSetTfFlags;
(function (AccountSetTfFlags) {
    AccountSetTfFlags[AccountSetTfFlags["tfRequireDestTag"] = 65536] = "tfRequireDestTag";
    AccountSetTfFlags[AccountSetTfFlags["tfOptionalDestTag"] = 131072] = "tfOptionalDestTag";
    AccountSetTfFlags[AccountSetTfFlags["tfRequireAuth"] = 262144] = "tfRequireAuth";
    AccountSetTfFlags[AccountSetTfFlags["tfOptionalAuth"] = 524288] = "tfOptionalAuth";
    AccountSetTfFlags[AccountSetTfFlags["tfDisallowXRP"] = 1048576] = "tfDisallowXRP";
    AccountSetTfFlags[AccountSetTfFlags["tfAllowXRP"] = 2097152] = "tfAllowXRP";
})(AccountSetTfFlags = exports.AccountSetTfFlags || (exports.AccountSetTfFlags = {}));
const MIN_TICK_SIZE = 3;
const MAX_TICK_SIZE = 15;
function validateAccountSet(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.NFTokenMinter !== undefined &&
        !(0, ripple_address_codec_1.isValidClassicAddress)(String(tx.NFTokenMinter))) {
        throw new errors_1.ValidationError('AccountSet: invalid NFTokenMinter');
    }
    if (tx.ClearFlag !== undefined) {
        if (typeof tx.ClearFlag !== 'number') {
            throw new errors_1.ValidationError('AccountSet: invalid ClearFlag');
        }
        if (!Object.values(AccountSetAsfFlags).includes(tx.ClearFlag)) {
            throw new errors_1.ValidationError('AccountSet: invalid ClearFlag');
        }
    }
    if (tx.Domain !== undefined && typeof tx.Domain !== 'string') {
        throw new errors_1.ValidationError('AccountSet: invalid Domain');
    }
    if (tx.EmailHash !== undefined && typeof tx.EmailHash !== 'string') {
        throw new errors_1.ValidationError('AccountSet: invalid EmailHash');
    }
    if (tx.MessageKey !== undefined && typeof tx.MessageKey !== 'string') {
        throw new errors_1.ValidationError('AccountSet: invalid MessageKey');
    }
    if (tx.SetFlag !== undefined) {
        if (typeof tx.SetFlag !== 'number') {
            throw new errors_1.ValidationError('AccountSet: invalid SetFlag');
        }
        if (!Object.values(AccountSetAsfFlags).includes(tx.SetFlag)) {
            throw new errors_1.ValidationError('AccountSet: invalid SetFlag');
        }
    }
    if (tx.TransferRate !== undefined && typeof tx.TransferRate !== 'number') {
        throw new errors_1.ValidationError('AccountSet: invalid TransferRate');
    }
    if (tx.TickSize !== undefined) {
        if (typeof tx.TickSize !== 'number') {
            throw new errors_1.ValidationError('AccountSet: invalid TickSize');
        }
        if (tx.TickSize !== 0 &&
            (tx.TickSize < MIN_TICK_SIZE || tx.TickSize > MAX_TICK_SIZE)) {
            throw new errors_1.ValidationError('AccountSet: invalid TickSize');
        }
    }
}
exports.validateAccountSet = validateAccountSet;
//# sourceMappingURL=accountSet.js.map

/***/ }),

/***/ 1527:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateCheckCancel = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateCheckCancel(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.CheckID !== undefined && typeof tx.CheckID !== 'string') {
        throw new errors_1.ValidationError('CheckCancel: invalid CheckID');
    }
}
exports.validateCheckCancel = validateCheckCancel;
//# sourceMappingURL=checkCancel.js.map

/***/ }),

/***/ 30611:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateCheckCash = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateCheckCash(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Amount == null && tx.DeliverMin == null) {
        throw new errors_1.ValidationError('CheckCash: must have either Amount or DeliverMin');
    }
    if (tx.Amount != null && tx.DeliverMin != null) {
        throw new errors_1.ValidationError('CheckCash: cannot have both Amount and DeliverMin');
    }
    if (tx.Amount != null && tx.Amount !== undefined && !(0, common_1.isAmount)(tx.Amount)) {
        throw new errors_1.ValidationError('CheckCash: invalid Amount');
    }
    if (tx.DeliverMin != null &&
        tx.DeliverMin !== undefined &&
        !(0, common_1.isAmount)(tx.DeliverMin)) {
        throw new errors_1.ValidationError('CheckCash: invalid DeliverMin');
    }
    if (tx.CheckID !== undefined && typeof tx.CheckID !== 'string') {
        throw new errors_1.ValidationError('CheckCash: invalid CheckID');
    }
}
exports.validateCheckCash = validateCheckCash;
//# sourceMappingURL=checkCash.js.map

/***/ }),

/***/ 24531:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateCheckCreate = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateCheckCreate(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.SendMax === undefined) {
        throw new errors_1.ValidationError('CheckCreate: missing field SendMax');
    }
    if (tx.Destination === undefined) {
        throw new errors_1.ValidationError('CheckCreate: missing field Destination');
    }
    if (typeof tx.SendMax !== 'string' &&
        !(0, common_1.isIssuedCurrency)(tx.SendMax)) {
        throw new errors_1.ValidationError('CheckCreate: invalid SendMax');
    }
    if (typeof tx.Destination !== 'string') {
        throw new errors_1.ValidationError('CheckCreate: invalid Destination');
    }
    if (tx.DestinationTag !== undefined &&
        typeof tx.DestinationTag !== 'number') {
        throw new errors_1.ValidationError('CheckCreate: invalid DestinationTag');
    }
    if (tx.Expiration !== undefined && typeof tx.Expiration !== 'number') {
        throw new errors_1.ValidationError('CheckCreate: invalid Expiration');
    }
    if (tx.InvoiceID !== undefined && typeof tx.InvoiceID !== 'string') {
        throw new errors_1.ValidationError('CheckCreate: invalid InvoiceID');
    }
}
exports.validateCheckCreate = validateCheckCreate;
//# sourceMappingURL=checkCreate.js.map

/***/ }),

/***/ 49633:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.parseAmountValue = exports.validateBaseTransaction = exports.isAmount = exports.isIssuedCurrency = void 0;
const ripple_binary_codec_1 = __webpack_require__(42353);
const errors_1 = __webpack_require__(25615);
const utils_1 = __webpack_require__(38484);
const MEMO_SIZE = 3;
function isMemo(obj) {
    if (obj.Memo == null) {
        return false;
    }
    const memo = obj.Memo;
    const size = Object.keys(memo).length;
    const validData = memo.MemoData == null || typeof memo.MemoData === 'string';
    const validFormat = memo.MemoFormat == null || typeof memo.MemoFormat === 'string';
    const validType = memo.MemoType == null || typeof memo.MemoType === 'string';
    return (size >= 1 &&
        size <= MEMO_SIZE &&
        validData &&
        validFormat &&
        validType &&
        (0, utils_1.onlyHasFields)(memo, ['MemoFormat', 'MemoData', 'MemoType']));
}
const SIGNER_SIZE = 3;
function isSigner(obj) {
    const signerWrapper = obj;
    if (signerWrapper.Signer == null) {
        return false;
    }
    const signer = signerWrapper.Signer;
    return (Object.keys(signer).length === SIGNER_SIZE &&
        typeof signer.Account === 'string' &&
        typeof signer.TxnSignature === 'string' &&
        typeof signer.SigningPubKey === 'string');
}
const ISSUED_CURRENCY_SIZE = 3;
function isRecord(value) {
    return value !== null && typeof value === 'object';
}
function isIssuedCurrency(input) {
    return (isRecord(input) &&
        Object.keys(input).length === ISSUED_CURRENCY_SIZE &&
        typeof input.value === 'string' &&
        typeof input.issuer === 'string' &&
        typeof input.currency === 'string');
}
exports.isIssuedCurrency = isIssuedCurrency;
function isAmount(amount) {
    return typeof amount === 'string' || isIssuedCurrency(amount);
}
exports.isAmount = isAmount;
function validateBaseTransaction(common) {
    if (common.Account === undefined) {
        throw new errors_1.ValidationError('BaseTransaction: missing field Account');
    }
    if (typeof common.Account !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: Account not string');
    }
    if (common.TransactionType === undefined) {
        throw new errors_1.ValidationError('BaseTransaction: missing field TransactionType');
    }
    if (typeof common.TransactionType !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: TransactionType not string');
    }
    if (!ripple_binary_codec_1.TRANSACTION_TYPES.includes(common.TransactionType)) {
        throw new errors_1.ValidationError('BaseTransaction: Unknown TransactionType');
    }
    if (common.Fee !== undefined && typeof common.Fee !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: invalid Fee');
    }
    if (common.Sequence !== undefined && typeof common.Sequence !== 'number') {
        throw new errors_1.ValidationError('BaseTransaction: invalid Sequence');
    }
    if (common.AccountTxnID !== undefined &&
        typeof common.AccountTxnID !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: invalid AccountTxnID');
    }
    if (common.LastLedgerSequence !== undefined &&
        typeof common.LastLedgerSequence !== 'number') {
        throw new errors_1.ValidationError('BaseTransaction: invalid LastLedgerSequence');
    }
    const memos = common.Memos;
    if (memos !== undefined && !memos.every(isMemo)) {
        throw new errors_1.ValidationError('BaseTransaction: invalid Memos');
    }
    const signers = common.Signers;
    if (signers !== undefined &&
        (signers.length === 0 || !signers.every(isSigner))) {
        throw new errors_1.ValidationError('BaseTransaction: invalid Signers');
    }
    if (common.SourceTag !== undefined && typeof common.SourceTag !== 'number') {
        throw new errors_1.ValidationError('BaseTransaction: invalid SourceTag');
    }
    if (common.SigningPubKey !== undefined &&
        typeof common.SigningPubKey !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: invalid SigningPubKey');
    }
    if (common.TicketSequence !== undefined &&
        typeof common.TicketSequence !== 'number') {
        throw new errors_1.ValidationError('BaseTransaction: invalid TicketSequence');
    }
    if (common.TxnSignature !== undefined &&
        typeof common.TxnSignature !== 'string') {
        throw new errors_1.ValidationError('BaseTransaction: invalid TxnSignature');
    }
}
exports.validateBaseTransaction = validateBaseTransaction;
function parseAmountValue(amount) {
    if (!isAmount(amount)) {
        return NaN;
    }
    if (typeof amount === 'string') {
        return parseFloat(amount);
    }
    return parseFloat(amount.value);
}
exports.parseAmountValue = parseAmountValue;
//# sourceMappingURL=common.js.map

/***/ }),

/***/ 88985:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateDepositPreauth = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateDepositPreauth(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Authorize !== undefined && tx.Unauthorize !== undefined) {
        throw new errors_1.ValidationError("DepositPreauth: can't provide both Authorize and Unauthorize fields");
    }
    if (tx.Authorize === undefined && tx.Unauthorize === undefined) {
        throw new errors_1.ValidationError('DepositPreauth: must provide either Authorize or Unauthorize field');
    }
    if (tx.Authorize !== undefined) {
        if (typeof tx.Authorize !== 'string') {
            throw new errors_1.ValidationError('DepositPreauth: Authorize must be a string');
        }
        if (tx.Account === tx.Authorize) {
            throw new errors_1.ValidationError("DepositPreauth: Account can't preauthorize its own address");
        }
    }
    if (tx.Unauthorize !== undefined) {
        if (typeof tx.Unauthorize !== 'string') {
            throw new errors_1.ValidationError('DepositPreauth: Unauthorize must be a string');
        }
        if (tx.Account === tx.Unauthorize) {
            throw new errors_1.ValidationError("DepositPreauth: Account can't unauthorize its own address");
        }
    }
}
exports.validateDepositPreauth = validateDepositPreauth;
//# sourceMappingURL=depositPreauth.js.map

/***/ }),

/***/ 48327:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateEscrowCancel = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateEscrowCancel(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Owner === undefined) {
        throw new errors_1.ValidationError('EscrowCancel: missing Owner');
    }
    if (typeof tx.Owner !== 'string') {
        throw new errors_1.ValidationError('EscrowCancel: Owner must be a string');
    }
    if (tx.OfferSequence === undefined) {
        throw new errors_1.ValidationError('EscrowCancel: missing OfferSequence');
    }
    if (typeof tx.OfferSequence !== 'number') {
        throw new errors_1.ValidationError('EscrowCancel: OfferSequence must be a number');
    }
}
exports.validateEscrowCancel = validateEscrowCancel;
//# sourceMappingURL=escrowCancel.js.map

/***/ }),

/***/ 67243:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateEscrowCreate = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateEscrowCreate(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Amount === undefined) {
        throw new errors_1.ValidationError('EscrowCreate: missing field Amount');
    }
    if (typeof tx.Amount !== 'string') {
        throw new errors_1.ValidationError('EscrowCreate: Amount must be a string');
    }
    if (tx.Destination === undefined) {
        throw new errors_1.ValidationError('EscrowCreate: missing field Destination');
    }
    if (typeof tx.Destination !== 'string') {
        throw new errors_1.ValidationError('EscrowCreate: Destination must be a string');
    }
    if (tx.CancelAfter === undefined && tx.FinishAfter === undefined) {
        throw new errors_1.ValidationError('EscrowCreate: Either CancelAfter or FinishAfter must be specified');
    }
    if (tx.FinishAfter === undefined && tx.Condition === undefined) {
        throw new errors_1.ValidationError('EscrowCreate: Either Condition or FinishAfter must be specified');
    }
    if (tx.CancelAfter !== undefined && typeof tx.CancelAfter !== 'number') {
        throw new errors_1.ValidationError('EscrowCreate: CancelAfter must be a number');
    }
    if (tx.FinishAfter !== undefined && typeof tx.FinishAfter !== 'number') {
        throw new errors_1.ValidationError('EscrowCreate: FinishAfter must be a number');
    }
    if (tx.Condition !== undefined && typeof tx.Condition !== 'string') {
        throw new errors_1.ValidationError('EscrowCreate: Condition must be a string');
    }
    if (tx.DestinationTag !== undefined &&
        typeof tx.DestinationTag !== 'number') {
        throw new errors_1.ValidationError('EscrowCreate: DestinationTag must be a number');
    }
}
exports.validateEscrowCreate = validateEscrowCreate;
//# sourceMappingURL=escrowCreate.js.map

/***/ }),

/***/ 39735:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateEscrowFinish = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateEscrowFinish(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Owner === undefined) {
        throw new errors_1.ValidationError('EscrowFinish: missing field Owner');
    }
    if (typeof tx.Owner !== 'string') {
        throw new errors_1.ValidationError('EscrowFinish: Owner must be a string');
    }
    if (tx.OfferSequence === undefined) {
        throw new errors_1.ValidationError('EscrowFinish: missing field OfferSequence');
    }
    if (typeof tx.OfferSequence !== 'number') {
        throw new errors_1.ValidationError('EscrowFinish: OfferSequence must be a number');
    }
    if (tx.Condition !== undefined && typeof tx.Condition !== 'string') {
        throw new errors_1.ValidationError('EscrowFinish: Condition must be a string');
    }
    if (tx.Fulfillment !== undefined && typeof tx.Fulfillment !== 'string') {
        throw new errors_1.ValidationError('EscrowFinish: Fulfillment must be a string');
    }
}
exports.validateEscrowFinish = validateEscrowFinish;
//# sourceMappingURL=escrowFinish.js.map

/***/ }),

/***/ 28714:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.TrustSetFlags = exports.PaymentChannelClaimFlags = exports.PaymentFlags = exports.OfferCreateFlags = exports.NFTokenMintFlags = exports.NFTokenCreateOfferFlags = exports.AccountSetTfFlags = exports.AccountSetAsfFlags = exports.validate = void 0;
var transaction_1 = __webpack_require__(52992);
Object.defineProperty(exports, "validate", ({ enumerable: true, get: function () { return transaction_1.validate; } }));
var accountSet_1 = __webpack_require__(45889);
Object.defineProperty(exports, "AccountSetAsfFlags", ({ enumerable: true, get: function () { return accountSet_1.AccountSetAsfFlags; } }));
Object.defineProperty(exports, "AccountSetTfFlags", ({ enumerable: true, get: function () { return accountSet_1.AccountSetTfFlags; } }));
var NFTokenCreateOffer_1 = __webpack_require__(2591);
Object.defineProperty(exports, "NFTokenCreateOfferFlags", ({ enumerable: true, get: function () { return NFTokenCreateOffer_1.NFTokenCreateOfferFlags; } }));
var NFTokenMint_1 = __webpack_require__(38278);
Object.defineProperty(exports, "NFTokenMintFlags", ({ enumerable: true, get: function () { return NFTokenMint_1.NFTokenMintFlags; } }));
var offerCreate_1 = __webpack_require__(92749);
Object.defineProperty(exports, "OfferCreateFlags", ({ enumerable: true, get: function () { return offerCreate_1.OfferCreateFlags; } }));
var payment_1 = __webpack_require__(96510);
Object.defineProperty(exports, "PaymentFlags", ({ enumerable: true, get: function () { return payment_1.PaymentFlags; } }));
var paymentChannelClaim_1 = __webpack_require__(55932);
Object.defineProperty(exports, "PaymentChannelClaimFlags", ({ enumerable: true, get: function () { return paymentChannelClaim_1.PaymentChannelClaimFlags; } }));
var trustSet_1 = __webpack_require__(79726);
Object.defineProperty(exports, "TrustSetFlags", ({ enumerable: true, get: function () { return trustSet_1.TrustSetFlags; } }));
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 76262:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isDeletedNode = exports.isModifiedNode = exports.isCreatedNode = void 0;
function isCreatedNode(node) {
    return Object.prototype.hasOwnProperty.call(node, `CreatedNode`);
}
exports.isCreatedNode = isCreatedNode;
function isModifiedNode(node) {
    return Object.prototype.hasOwnProperty.call(node, `ModifiedNode`);
}
exports.isModifiedNode = isModifiedNode;
function isDeletedNode(node) {
    return Object.prototype.hasOwnProperty.call(node, `DeletedNode`);
}
exports.isDeletedNode = isDeletedNode;
//# sourceMappingURL=metadata.js.map

/***/ }),

/***/ 82953:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateOfferCancel = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateOfferCancel(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.OfferSequence === undefined) {
        throw new errors_1.ValidationError('OfferCancel: missing field OfferSequence');
    }
    if (typeof tx.OfferSequence !== 'number') {
        throw new errors_1.ValidationError('OfferCancel: OfferSequence must be a number');
    }
}
exports.validateOfferCancel = validateOfferCancel;
//# sourceMappingURL=offerCancel.js.map

/***/ }),

/***/ 92749:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateOfferCreate = exports.OfferCreateFlags = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
var OfferCreateFlags;
(function (OfferCreateFlags) {
    OfferCreateFlags[OfferCreateFlags["tfPassive"] = 65536] = "tfPassive";
    OfferCreateFlags[OfferCreateFlags["tfImmediateOrCancel"] = 131072] = "tfImmediateOrCancel";
    OfferCreateFlags[OfferCreateFlags["tfFillOrKill"] = 262144] = "tfFillOrKill";
    OfferCreateFlags[OfferCreateFlags["tfSell"] = 524288] = "tfSell";
})(OfferCreateFlags = exports.OfferCreateFlags || (exports.OfferCreateFlags = {}));
function validateOfferCreate(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.TakerGets === undefined) {
        throw new errors_1.ValidationError('OfferCreate: missing field TakerGets');
    }
    if (tx.TakerPays === undefined) {
        throw new errors_1.ValidationError('OfferCreate: missing field TakerPays');
    }
    if (typeof tx.TakerGets !== 'string' && !(0, common_1.isAmount)(tx.TakerGets)) {
        throw new errors_1.ValidationError('OfferCreate: invalid TakerGets');
    }
    if (typeof tx.TakerPays !== 'string' && !(0, common_1.isAmount)(tx.TakerPays)) {
        throw new errors_1.ValidationError('OfferCreate: invalid TakerPays');
    }
    if (tx.Expiration !== undefined && typeof tx.Expiration !== 'number') {
        throw new errors_1.ValidationError('OfferCreate: invalid Expiration');
    }
    if (tx.OfferSequence !== undefined && typeof tx.OfferSequence !== 'number') {
        throw new errors_1.ValidationError('OfferCreate: invalid OfferSequence');
    }
}
exports.validateOfferCreate = validateOfferCreate;
//# sourceMappingURL=offerCreate.js.map

/***/ }),

/***/ 96510:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validatePayment = exports.PaymentFlags = void 0;
const errors_1 = __webpack_require__(25615);
const utils_1 = __webpack_require__(38484);
const common_1 = __webpack_require__(49633);
var PaymentFlags;
(function (PaymentFlags) {
    PaymentFlags[PaymentFlags["tfNoDirectRipple"] = 65536] = "tfNoDirectRipple";
    PaymentFlags[PaymentFlags["tfPartialPayment"] = 131072] = "tfPartialPayment";
    PaymentFlags[PaymentFlags["tfLimitQuality"] = 262144] = "tfLimitQuality";
})(PaymentFlags = exports.PaymentFlags || (exports.PaymentFlags = {}));
function validatePayment(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Amount === undefined) {
        throw new errors_1.ValidationError('PaymentTransaction: missing field Amount');
    }
    if (!(0, common_1.isAmount)(tx.Amount)) {
        throw new errors_1.ValidationError('PaymentTransaction: invalid Amount');
    }
    if (tx.Destination === undefined) {
        throw new errors_1.ValidationError('PaymentTransaction: missing field Destination');
    }
    if (!(0, common_1.isAmount)(tx.Destination)) {
        throw new errors_1.ValidationError('PaymentTransaction: invalid Destination');
    }
    if (tx.DestinationTag != null && typeof tx.DestinationTag !== 'number') {
        throw new errors_1.ValidationError('PaymentTransaction: DestinationTag must be a number');
    }
    if (tx.InvoiceID !== undefined && typeof tx.InvoiceID !== 'string') {
        throw new errors_1.ValidationError('PaymentTransaction: InvoiceID must be a string');
    }
    if (tx.Paths !== undefined &&
        !isPaths(tx.Paths)) {
        throw new errors_1.ValidationError('PaymentTransaction: invalid Paths');
    }
    if (tx.SendMax !== undefined && !(0, common_1.isAmount)(tx.SendMax)) {
        throw new errors_1.ValidationError('PaymentTransaction: invalid SendMax');
    }
    checkPartialPayment(tx);
}
exports.validatePayment = validatePayment;
function checkPartialPayment(tx) {
    var _a;
    if (tx.DeliverMin != null) {
        if (tx.Flags == null) {
            throw new errors_1.ValidationError('PaymentTransaction: tfPartialPayment flag required with DeliverMin');
        }
        const flags = tx.Flags;
        const isTfPartialPayment = typeof flags === 'number'
            ? (0, utils_1.isFlagEnabled)(flags, PaymentFlags.tfPartialPayment)
            : (_a = flags.tfPartialPayment) !== null && _a !== void 0 ? _a : false;
        if (!isTfPartialPayment) {
            throw new errors_1.ValidationError('PaymentTransaction: tfPartialPayment flag required with DeliverMin');
        }
        if (!(0, common_1.isAmount)(tx.DeliverMin)) {
            throw new errors_1.ValidationError('PaymentTransaction: invalid DeliverMin');
        }
    }
}
function isPathStep(pathStep) {
    if (pathStep.account !== undefined && typeof pathStep.account !== 'string') {
        return false;
    }
    if (pathStep.currency !== undefined &&
        typeof pathStep.currency !== 'string') {
        return false;
    }
    if (pathStep.issuer !== undefined && typeof pathStep.issuer !== 'string') {
        return false;
    }
    if (pathStep.account !== undefined &&
        pathStep.currency === undefined &&
        pathStep.issuer === undefined) {
        return true;
    }
    if (pathStep.currency !== undefined || pathStep.issuer !== undefined) {
        return true;
    }
    return false;
}
function isPath(path) {
    for (const pathStep of path) {
        if (!isPathStep(pathStep)) {
            return false;
        }
    }
    return true;
}
function isPaths(paths) {
    if (!Array.isArray(paths) || paths.length === 0) {
        return false;
    }
    for (const path of paths) {
        if (!Array.isArray(path) || path.length === 0) {
            return false;
        }
        if (!isPath(path)) {
            return false;
        }
    }
    return true;
}
//# sourceMappingURL=payment.js.map

/***/ }),

/***/ 55932:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validatePaymentChannelClaim = exports.PaymentChannelClaimFlags = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
var PaymentChannelClaimFlags;
(function (PaymentChannelClaimFlags) {
    PaymentChannelClaimFlags[PaymentChannelClaimFlags["tfRenew"] = 65536] = "tfRenew";
    PaymentChannelClaimFlags[PaymentChannelClaimFlags["tfClose"] = 131072] = "tfClose";
})(PaymentChannelClaimFlags = exports.PaymentChannelClaimFlags || (exports.PaymentChannelClaimFlags = {}));
function validatePaymentChannelClaim(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Channel === undefined) {
        throw new errors_1.ValidationError('PaymentChannelClaim: missing Channel');
    }
    if (typeof tx.Channel !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelClaim: Channel must be a string');
    }
    if (tx.Balance !== undefined && typeof tx.Balance !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelClaim: Balance must be a string');
    }
    if (tx.Amount !== undefined && typeof tx.Amount !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelClaim: Amount must be a string');
    }
    if (tx.Signature !== undefined && typeof tx.Signature !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelClaim: Signature must be a string');
    }
    if (tx.PublicKey !== undefined && typeof tx.PublicKey !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelClaim: PublicKey must be a string');
    }
}
exports.validatePaymentChannelClaim = validatePaymentChannelClaim;
//# sourceMappingURL=paymentChannelClaim.js.map

/***/ }),

/***/ 4252:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validatePaymentChannelCreate = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validatePaymentChannelCreate(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Amount === undefined) {
        throw new errors_1.ValidationError('PaymentChannelCreate: missing Amount');
    }
    if (typeof tx.Amount !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelCreate: Amount must be a string');
    }
    if (tx.Destination === undefined) {
        throw new errors_1.ValidationError('PaymentChannelCreate: missing Destination');
    }
    if (typeof tx.Destination !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelCreate: Destination must be a string');
    }
    if (tx.SettleDelay === undefined) {
        throw new errors_1.ValidationError('PaymentChannelCreate: missing SettleDelay');
    }
    if (typeof tx.SettleDelay !== 'number') {
        throw new errors_1.ValidationError('PaymentChannelCreate: SettleDelay must be a number');
    }
    if (tx.PublicKey === undefined) {
        throw new errors_1.ValidationError('PaymentChannelCreate: missing PublicKey');
    }
    if (typeof tx.PublicKey !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelCreate: PublicKey must be a string');
    }
    if (tx.CancelAfter !== undefined && typeof tx.CancelAfter !== 'number') {
        throw new errors_1.ValidationError('PaymentChannelCreate: CancelAfter must be a number');
    }
    if (tx.DestinationTag !== undefined &&
        typeof tx.DestinationTag !== 'number') {
        throw new errors_1.ValidationError('PaymentChannelCreate: DestinationTag must be a number');
    }
}
exports.validatePaymentChannelCreate = validatePaymentChannelCreate;
//# sourceMappingURL=paymentChannelCreate.js.map

/***/ }),

/***/ 35270:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validatePaymentChannelFund = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validatePaymentChannelFund(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.Channel === undefined) {
        throw new errors_1.ValidationError('PaymentChannelFund: missing Channel');
    }
    if (typeof tx.Channel !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelFund: Channel must be a string');
    }
    if (tx.Amount === undefined) {
        throw new errors_1.ValidationError('PaymentChannelFund: missing Amount');
    }
    if (typeof tx.Amount !== 'string') {
        throw new errors_1.ValidationError('PaymentChannelFund: Amount must be a string');
    }
    if (tx.Expiration !== undefined && typeof tx.Expiration !== 'number') {
        throw new errors_1.ValidationError('PaymentChannelFund: Expiration must be a number');
    }
}
exports.validatePaymentChannelFund = validatePaymentChannelFund;
//# sourceMappingURL=paymentChannelFund.js.map

/***/ }),

/***/ 57104:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateSetRegularKey = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
function validateSetRegularKey(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.RegularKey !== undefined && typeof tx.RegularKey !== 'string') {
        throw new errors_1.ValidationError('SetRegularKey: RegularKey must be a string');
    }
}
exports.validateSetRegularKey = validateSetRegularKey;
//# sourceMappingURL=setRegularKey.js.map

/***/ }),

/***/ 88222:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateSignerListSet = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
const MAX_SIGNERS = 32;
const HEX_WALLET_LOCATOR_REGEX = /^[0-9A-Fa-f]{64}$/u;
function validateSignerListSet(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    if (tx.SignerQuorum === undefined) {
        throw new errors_1.ValidationError('SignerListSet: missing field SignerQuorum');
    }
    if (typeof tx.SignerQuorum !== 'number') {
        throw new errors_1.ValidationError('SignerListSet: invalid SignerQuorum');
    }
    if (tx.SignerEntries === undefined) {
        throw new errors_1.ValidationError('SignerListSet: missing field SignerEntries');
    }
    if (!Array.isArray(tx.SignerEntries)) {
        throw new errors_1.ValidationError('SignerListSet: invalid SignerEntries');
    }
    if (tx.SignerEntries.length === 0) {
        throw new errors_1.ValidationError('SignerListSet: need at least 1 member in SignerEntries');
    }
    if (tx.SignerEntries.length > MAX_SIGNERS) {
        throw new errors_1.ValidationError(`SignerListSet: maximum of ${MAX_SIGNERS} members allowed in SignerEntries`);
    }
    for (const entry of tx.SignerEntries) {
        const signerEntry = entry;
        const { WalletLocator } = signerEntry.SignerEntry;
        if (WalletLocator !== undefined &&
            !HEX_WALLET_LOCATOR_REGEX.test(WalletLocator)) {
            throw new errors_1.ValidationError(`SignerListSet: WalletLocator in SignerEntry must be a 256-bit (32-byte) hexadecimal value`);
        }
    }
}
exports.validateSignerListSet = validateSignerListSet;
//# sourceMappingURL=signerListSet.js.map

/***/ }),

/***/ 41100:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateTicketCreate = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
const MAX_TICKETS = 250;
function validateTicketCreate(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    const { TicketCount } = tx;
    if (TicketCount === undefined) {
        throw new errors_1.ValidationError('TicketCreate: missing field TicketCount');
    }
    if (typeof TicketCount !== 'number') {
        throw new errors_1.ValidationError('TicketCreate: TicketCount must be a number');
    }
    if (!Number.isInteger(TicketCount) ||
        TicketCount < 1 ||
        TicketCount > MAX_TICKETS) {
        throw new errors_1.ValidationError('TicketCreate: TicketCount must be an integer from 1 to 250');
    }
}
exports.validateTicketCreate = validateTicketCreate;
//# sourceMappingURL=ticketCreate.js.map

/***/ }),

/***/ 52992:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validate = void 0;
const isEqual_1 = __importDefault(__webpack_require__(18446));
const omitBy_1 = __importDefault(__webpack_require__(14176));
const ripple_binary_codec_1 = __webpack_require__(42353);
const errors_1 = __webpack_require__(25615);
const flags_1 = __webpack_require__(34279);
const accountDelete_1 = __webpack_require__(523);
const accountSet_1 = __webpack_require__(45889);
const checkCancel_1 = __webpack_require__(1527);
const checkCash_1 = __webpack_require__(30611);
const checkCreate_1 = __webpack_require__(24531);
const depositPreauth_1 = __webpack_require__(88985);
const escrowCancel_1 = __webpack_require__(48327);
const escrowCreate_1 = __webpack_require__(67243);
const escrowFinish_1 = __webpack_require__(39735);
const NFTokenAcceptOffer_1 = __webpack_require__(95832);
const NFTokenBurn_1 = __webpack_require__(20769);
const NFTokenCancelOffer_1 = __webpack_require__(57726);
const NFTokenCreateOffer_1 = __webpack_require__(2591);
const NFTokenMint_1 = __webpack_require__(38278);
const offerCancel_1 = __webpack_require__(82953);
const offerCreate_1 = __webpack_require__(92749);
const payment_1 = __webpack_require__(96510);
const paymentChannelClaim_1 = __webpack_require__(55932);
const paymentChannelCreate_1 = __webpack_require__(4252);
const paymentChannelFund_1 = __webpack_require__(35270);
const setRegularKey_1 = __webpack_require__(57104);
const signerListSet_1 = __webpack_require__(88222);
const ticketCreate_1 = __webpack_require__(41100);
const trustSet_1 = __webpack_require__(79726);
function validate(transaction) {
    const tx = Object.assign({}, transaction);
    if (tx.TransactionType == null) {
        throw new errors_1.ValidationError('Object does not have a `TransactionType`');
    }
    if (typeof tx.TransactionType !== 'string') {
        throw new errors_1.ValidationError("Object's `TransactionType` is not a string");
    }
    (0, flags_1.setTransactionFlagsToNumber)(tx);
    switch (tx.TransactionType) {
        case 'AccountDelete':
            (0, accountDelete_1.validateAccountDelete)(tx);
            break;
        case 'AccountSet':
            (0, accountSet_1.validateAccountSet)(tx);
            break;
        case 'CheckCancel':
            (0, checkCancel_1.validateCheckCancel)(tx);
            break;
        case 'CheckCash':
            (0, checkCash_1.validateCheckCash)(tx);
            break;
        case 'CheckCreate':
            (0, checkCreate_1.validateCheckCreate)(tx);
            break;
        case 'DepositPreauth':
            (0, depositPreauth_1.validateDepositPreauth)(tx);
            break;
        case 'EscrowCancel':
            (0, escrowCancel_1.validateEscrowCancel)(tx);
            break;
        case 'EscrowCreate':
            (0, escrowCreate_1.validateEscrowCreate)(tx);
            break;
        case 'EscrowFinish':
            (0, escrowFinish_1.validateEscrowFinish)(tx);
            break;
        case 'NFTokenAcceptOffer':
            (0, NFTokenAcceptOffer_1.validateNFTokenAcceptOffer)(tx);
            break;
        case 'NFTokenBurn':
            (0, NFTokenBurn_1.validateNFTokenBurn)(tx);
            break;
        case 'NFTokenCancelOffer':
            (0, NFTokenCancelOffer_1.validateNFTokenCancelOffer)(tx);
            break;
        case 'NFTokenCreateOffer':
            (0, NFTokenCreateOffer_1.validateNFTokenCreateOffer)(tx);
            break;
        case 'NFTokenMint':
            (0, NFTokenMint_1.validateNFTokenMint)(tx);
            break;
        case 'OfferCancel':
            (0, offerCancel_1.validateOfferCancel)(tx);
            break;
        case 'OfferCreate':
            (0, offerCreate_1.validateOfferCreate)(tx);
            break;
        case 'Payment':
            (0, payment_1.validatePayment)(tx);
            break;
        case 'PaymentChannelClaim':
            (0, paymentChannelClaim_1.validatePaymentChannelClaim)(tx);
            break;
        case 'PaymentChannelCreate':
            (0, paymentChannelCreate_1.validatePaymentChannelCreate)(tx);
            break;
        case 'PaymentChannelFund':
            (0, paymentChannelFund_1.validatePaymentChannelFund)(tx);
            break;
        case 'SetRegularKey':
            (0, setRegularKey_1.validateSetRegularKey)(tx);
            break;
        case 'SignerListSet':
            (0, signerListSet_1.validateSignerListSet)(tx);
            break;
        case 'TicketCreate':
            (0, ticketCreate_1.validateTicketCreate)(tx);
            break;
        case 'TrustSet':
            (0, trustSet_1.validateTrustSet)(tx);
            break;
        default:
            throw new errors_1.ValidationError(`Invalid field TransactionType: ${tx.TransactionType}`);
    }
    if (!(0, isEqual_1.default)((0, ripple_binary_codec_1.decode)((0, ripple_binary_codec_1.encode)(tx)), (0, omitBy_1.default)(tx, (value) => value == null))) {
        throw new errors_1.ValidationError(`Invalid Transaction: ${tx.TransactionType}`);
    }
}
exports.validate = validate;
//# sourceMappingURL=transaction.js.map

/***/ }),

/***/ 79726:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.validateTrustSet = exports.TrustSetFlags = void 0;
const errors_1 = __webpack_require__(25615);
const common_1 = __webpack_require__(49633);
var TrustSetFlags;
(function (TrustSetFlags) {
    TrustSetFlags[TrustSetFlags["tfSetfAuth"] = 65536] = "tfSetfAuth";
    TrustSetFlags[TrustSetFlags["tfSetNoRipple"] = 131072] = "tfSetNoRipple";
    TrustSetFlags[TrustSetFlags["tfClearNoRipple"] = 262144] = "tfClearNoRipple";
    TrustSetFlags[TrustSetFlags["tfSetFreeze"] = 1048576] = "tfSetFreeze";
    TrustSetFlags[TrustSetFlags["tfClearFreeze"] = 2097152] = "tfClearFreeze";
})(TrustSetFlags = exports.TrustSetFlags || (exports.TrustSetFlags = {}));
function validateTrustSet(tx) {
    (0, common_1.validateBaseTransaction)(tx);
    const { LimitAmount, QualityIn, QualityOut } = tx;
    if (LimitAmount === undefined) {
        throw new errors_1.ValidationError('TrustSet: missing field LimitAmount');
    }
    if (!(0, common_1.isAmount)(LimitAmount)) {
        throw new errors_1.ValidationError('TrustSet: invalid LimitAmount');
    }
    if (QualityIn !== undefined && typeof QualityIn !== 'number') {
        throw new errors_1.ValidationError('TrustSet: QualityIn must be a number');
    }
    if (QualityOut !== undefined && typeof QualityOut !== 'number') {
        throw new errors_1.ValidationError('TrustSet: QualityOut must be a number');
    }
}
exports.validateTrustSet = validateTrustSet;
//# sourceMappingURL=trustSet.js.map

/***/ }),

/***/ 34279:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.setTransactionFlagsToNumber = exports.parseAccountRootFlags = void 0;
const errors_1 = __webpack_require__(25615);
const AccountRoot_1 = __webpack_require__(98245);
const accountSet_1 = __webpack_require__(45889);
const offerCreate_1 = __webpack_require__(92749);
const payment_1 = __webpack_require__(96510);
const paymentChannelClaim_1 = __webpack_require__(55932);
const trustSet_1 = __webpack_require__(79726);
const _1 = __webpack_require__(38484);
function parseAccountRootFlags(flags) {
    const flagsInterface = {};
    Object.keys(AccountRoot_1.AccountRootFlags).forEach((flag) => {
        if ((0, _1.isFlagEnabled)(flags, AccountRoot_1.AccountRootFlags[flag])) {
            flagsInterface[flag] = true;
        }
    });
    return flagsInterface;
}
exports.parseAccountRootFlags = parseAccountRootFlags;
function setTransactionFlagsToNumber(tx) {
    if (tx.Flags == null) {
        tx.Flags = 0;
        return;
    }
    if (typeof tx.Flags === 'number') {
        return;
    }
    switch (tx.TransactionType) {
        case 'AccountSet':
            tx.Flags = convertAccountSetFlagsToNumber(tx.Flags);
            return;
        case 'OfferCreate':
            tx.Flags = convertOfferCreateFlagsToNumber(tx.Flags);
            return;
        case 'PaymentChannelClaim':
            tx.Flags = convertPaymentChannelClaimFlagsToNumber(tx.Flags);
            return;
        case 'Payment':
            tx.Flags = convertPaymentTransactionFlagsToNumber(tx.Flags);
            return;
        case 'TrustSet':
            tx.Flags = convertTrustSetFlagsToNumber(tx.Flags);
            return;
        default:
            tx.Flags = 0;
    }
}
exports.setTransactionFlagsToNumber = setTransactionFlagsToNumber;
function convertAccountSetFlagsToNumber(flags) {
    return reduceFlags(flags, accountSet_1.AccountSetTfFlags);
}
function convertOfferCreateFlagsToNumber(flags) {
    return reduceFlags(flags, offerCreate_1.OfferCreateFlags);
}
function convertPaymentChannelClaimFlagsToNumber(flags) {
    return reduceFlags(flags, paymentChannelClaim_1.PaymentChannelClaimFlags);
}
function convertPaymentTransactionFlagsToNumber(flags) {
    return reduceFlags(flags, payment_1.PaymentFlags);
}
function convertTrustSetFlagsToNumber(flags) {
    return reduceFlags(flags, trustSet_1.TrustSetFlags);
}
function reduceFlags(flags, flagEnum) {
    return Object.keys(flags).reduce((resultFlags, flag) => {
        if (flagEnum[flag] == null) {
            throw new errors_1.ValidationError(`flag ${flag} doesn't exist in flagEnum: ${JSON.stringify(flagEnum)}`);
        }
        return flags[flag] ? resultFlags | flagEnum[flag] : resultFlags;
    }, 0);
}
//# sourceMappingURL=flags.js.map

/***/ }),

/***/ 38484:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isHex = exports.isFlagEnabled = exports.onlyHasFields = void 0;
const HEX_REGEX = /^[0-9A-Fa-f]+$/u;
function onlyHasFields(obj, fields) {
    return Object.keys(obj).every((key) => fields.includes(key));
}
exports.onlyHasFields = onlyHasFields;
function isFlagEnabled(Flags, checkFlag) {
    return (checkFlag & Flags) === checkFlag;
}
exports.isFlagEnabled = isFlagEnabled;
function isHex(str) {
    return HEX_REGEX.test(str);
}
exports.isHex = isHex;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 94714:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const ripple_address_codec_1 = __webpack_require__(88914);
const errors_1 = __webpack_require__(25615);
const flags_1 = __webpack_require__(34279);
const utils_1 = __webpack_require__(6607);
const getFeeXrp_1 = __importDefault(__webpack_require__(42596));
const LEDGER_OFFSET = 20;
function autofill(transaction, signersCount) {
    return __awaiter(this, void 0, void 0, function* () {
        const tx = Object.assign({}, transaction);
        setValidAddresses(tx);
        (0, flags_1.setTransactionFlagsToNumber)(tx);
        const promises = [];
        if (tx.Sequence == null) {
            promises.push(setNextValidSequenceNumber(this, tx));
        }
        if (tx.Fee == null) {
            promises.push(calculateFeePerTransactionType(this, tx, signersCount));
        }
        if (tx.LastLedgerSequence == null) {
            promises.push(setLatestValidatedLedgerSequence(this, tx));
        }
        if (tx.TransactionType === 'AccountDelete') {
            promises.push(checkAccountDeleteBlockers(this, tx));
        }
        return Promise.all(promises).then(() => tx);
    });
}
function setValidAddresses(tx) {
    validateAccountAddress(tx, 'Account', 'SourceTag');
    if (tx['Destination'] != null) {
        validateAccountAddress(tx, 'Destination', 'DestinationTag');
    }
    convertToClassicAddress(tx, 'Authorize');
    convertToClassicAddress(tx, 'Unauthorize');
    convertToClassicAddress(tx, 'Owner');
    convertToClassicAddress(tx, 'RegularKey');
}
function validateAccountAddress(tx, accountField, tagField) {
    const { classicAccount, tag } = getClassicAccountAndTag(tx[accountField]);
    tx[accountField] = classicAccount;
    if (tag != null && tag !== false) {
        if (tx[tagField] && tx[tagField] !== tag) {
            throw new errors_1.ValidationError(`The ${tagField}, if present, must match the tag of the ${accountField} X-address`);
        }
        tx[tagField] = tag;
    }
}
function getClassicAccountAndTag(Account, expectedTag) {
    if ((0, ripple_address_codec_1.isValidXAddress)(Account)) {
        const classic = (0, ripple_address_codec_1.xAddressToClassicAddress)(Account);
        if (expectedTag != null && classic.tag !== expectedTag) {
            throw new errors_1.ValidationError('address includes a tag that does not match the tag specified in the transaction');
        }
        return {
            classicAccount: classic.classicAddress,
            tag: classic.tag,
        };
    }
    return {
        classicAccount: Account,
        tag: expectedTag,
    };
}
function convertToClassicAddress(tx, fieldName) {
    const account = tx[fieldName];
    if (typeof account === 'string') {
        const { classicAccount } = getClassicAccountAndTag(account);
        tx[fieldName] = classicAccount;
    }
}
function setNextValidSequenceNumber(client, tx) {
    return __awaiter(this, void 0, void 0, function* () {
        const request = {
            command: 'account_info',
            account: tx.Account,
            ledger_index: 'current',
        };
        const data = yield client.request(request);
        tx.Sequence = data.result.account_data.Sequence;
    });
}
function fetchAccountDeleteFee(client) {
    var _a;
    return __awaiter(this, void 0, void 0, function* () {
        const response = yield client.request({ command: 'server_state' });
        const fee = (_a = response.result.state.validated_ledger) === null || _a === void 0 ? void 0 : _a.reserve_inc;
        if (fee == null) {
            return Promise.reject(new Error('Could not fetch Owner Reserve.'));
        }
        return new bignumber_js_1.default(fee);
    });
}
function calculateFeePerTransactionType(client, tx, signersCount = 0) {
    return __awaiter(this, void 0, void 0, function* () {
        const netFeeXRP = yield (0, getFeeXrp_1.default)(client);
        const netFeeDrops = (0, utils_1.xrpToDrops)(netFeeXRP);
        let baseFee = new bignumber_js_1.default(netFeeDrops);
        if (tx.TransactionType === 'EscrowFinish' && tx.Fulfillment != null) {
            const fulfillmentBytesSize = Math.ceil(tx.Fulfillment.length / 2);
            const product = new bignumber_js_1.default(scaleValue(netFeeDrops, 33 + fulfillmentBytesSize / 16));
            baseFee = product.dp(0, bignumber_js_1.default.ROUND_CEIL);
        }
        if (tx.TransactionType === 'AccountDelete') {
            baseFee = yield fetchAccountDeleteFee(client);
        }
        if (signersCount > 0) {
            baseFee = bignumber_js_1.default.sum(baseFee, scaleValue(netFeeDrops, 1 + signersCount));
        }
        const maxFeeDrops = (0, utils_1.xrpToDrops)(client.maxFeeXRP);
        const totalFee = tx.TransactionType === 'AccountDelete'
            ? baseFee
            : bignumber_js_1.default.min(baseFee, maxFeeDrops);
        tx.Fee = totalFee.dp(0, bignumber_js_1.default.ROUND_CEIL).toString(10);
    });
}
function scaleValue(value, multiplier) {
    return new bignumber_js_1.default(value).times(multiplier).toString();
}
function setLatestValidatedLedgerSequence(client, tx) {
    return __awaiter(this, void 0, void 0, function* () {
        const ledgerSequence = yield client.getLedgerIndex();
        tx.LastLedgerSequence = ledgerSequence + LEDGER_OFFSET;
    });
}
function checkAccountDeleteBlockers(client, tx) {
    return __awaiter(this, void 0, void 0, function* () {
        const request = {
            command: 'account_objects',
            account: tx.Account,
            ledger_index: 'validated',
            deletion_blockers_only: true,
        };
        const response = yield client.request(request);
        return new Promise((resolve, reject) => {
            if (response.result.account_objects.length > 0) {
                reject(new errors_1.XrplError(`Account ${tx.Account} cannot be deleted; there are Escrows, PayChannels, RippleStates, or Checks associated with the account.`, response.result.account_objects));
            }
            resolve();
        });
    });
}
exports["default"] = autofill;
//# sourceMappingURL=autofill.js.map

/***/ }),

/***/ 96647:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.getBalances = exports.getXrpBalance = void 0;
const flatMap_1 = __importDefault(__webpack_require__(94654));
const utils_1 = __webpack_require__(6607);
function formatBalances(trustlines) {
    return trustlines.map((trustline) => ({
        value: trustline.balance,
        currency: trustline.currency,
        issuer: trustline.account,
    }));
}
function getXrpBalance(address, options = {}) {
    var _a;
    return __awaiter(this, void 0, void 0, function* () {
        const xrpRequest = {
            command: 'account_info',
            account: address,
            ledger_index: (_a = options.ledger_index) !== null && _a !== void 0 ? _a : 'validated',
            ledger_hash: options.ledger_hash,
        };
        const response = yield this.request(xrpRequest);
        return (0, utils_1.dropsToXrp)(response.result.account_data.Balance);
    });
}
exports.getXrpBalance = getXrpBalance;
function getBalances(address, options = {}) {
    var _a;
    return __awaiter(this, void 0, void 0, function* () {
        const balances = [];
        let xrpPromise = Promise.resolve('');
        if (!options.peer) {
            xrpPromise = this.getXrpBalance(address, {
                ledger_hash: options.ledger_hash,
                ledger_index: options.ledger_index,
            });
        }
        const linesRequest = {
            command: 'account_lines',
            account: address,
            ledger_index: (_a = options.ledger_index) !== null && _a !== void 0 ? _a : 'validated',
            ledger_hash: options.ledger_hash,
            peer: options.peer,
            limit: options.limit,
        };
        const linesPromise = this.requestAll(linesRequest);
        yield Promise.all([xrpPromise, linesPromise]).then(([xrpBalance, linesResponses]) => {
            const accountLinesBalance = (0, flatMap_1.default)(linesResponses, (response) => formatBalances(response.result.lines));
            if (xrpBalance !== '') {
                balances.push({ currency: 'XRP', value: xrpBalance });
            }
            balances.push(...accountLinesBalance);
        });
        return balances.slice(0, options.limit);
    });
}
exports.getBalances = getBalances;
//# sourceMappingURL=balances.js.map

/***/ }),

/***/ 42596:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const errors_1 = __webpack_require__(25615);
const NUM_DECIMAL_PLACES = 6;
const BASE_10 = 10;
function getFeeXrp(client, cushion) {
    var _a;
    return __awaiter(this, void 0, void 0, function* () {
        const feeCushion = cushion !== null && cushion !== void 0 ? cushion : client.feeCushion;
        const serverInfo = (yield client.request({ command: 'server_info' })).result
            .info;
        const baseFee = (_a = serverInfo.validated_ledger) === null || _a === void 0 ? void 0 : _a.base_fee_xrp;
        if (baseFee == null) {
            throw new errors_1.XrplError('getFeeXrp: Could not get base_fee_xrp from server_info');
        }
        const baseFeeXrp = new bignumber_js_1.default(baseFee);
        if (serverInfo.load_factor == null) {
            serverInfo.load_factor = 1;
        }
        let fee = baseFeeXrp.times(serverInfo.load_factor).times(feeCushion);
        fee = bignumber_js_1.default.min(fee, client.maxFeeXRP);
        return new bignumber_js_1.default(fee.toFixed(NUM_DECIMAL_PLACES)).toString(BASE_10);
    });
}
exports["default"] = getFeeXrp;
//# sourceMappingURL=getFeeXrp.js.map

/***/ }),

/***/ 87723:
/***/ (function(__unused_webpack_module, exports) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
function getLedgerIndex() {
    return __awaiter(this, void 0, void 0, function* () {
        const ledgerResponse = yield this.request({
            command: 'ledger',
            ledger_index: 'validated',
        });
        return ledgerResponse.result.ledger_index;
    });
}
exports["default"] = getLedgerIndex;
//# sourceMappingURL=getLedgerIndex.js.map

/***/ }),

/***/ 43066:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const flatMap_1 = __importDefault(__webpack_require__(94654));
const errors_1 = __webpack_require__(25615);
const Offer_1 = __webpack_require__(59910);
const DEFAULT_LIMIT = 20;
function sortOffers(offers) {
    return offers.sort((offerA, offerB) => {
        var _a, _b;
        const qualityA = (_a = offerA.quality) !== null && _a !== void 0 ? _a : 0;
        const qualityB = (_b = offerB.quality) !== null && _b !== void 0 ? _b : 0;
        return new bignumber_js_1.default(qualityA).comparedTo(qualityB);
    });
}
const getOrderbookOptionsSet = new Set([
    'limit',
    'ledger_index',
    'ledger_hash',
    'taker',
]);
function getOrderbook(takerPays, takerGets, options = {}) {
    var _a, _b;
    return __awaiter(this, void 0, void 0, function* () {
        Object.keys(options).forEach((key) => {
            if (!getOrderbookOptionsSet.has(key)) {
                throw new errors_1.ValidationError(`Unexpected option: ${key}`, options);
            }
        });
        if (options.limit && typeof options.limit !== 'number') {
            throw new errors_1.ValidationError('limit must be a number', options.limit);
        }
        if (options.ledger_index &&
            !(typeof options.ledger_index === 'number' ||
                (typeof options.ledger_index === 'string' &&
                    ['validated', 'closed', 'current'].includes(options.ledger_index)))) {
            throw new errors_1.ValidationError('ledger_index must be a number or a string of "validated", "closed", or "current"', options.ledger_index);
        }
        if (options.ledger_hash !== undefined &&
            options.ledger_hash !== null &&
            typeof options.ledger_hash !== 'string') {
            throw new errors_1.ValidationError('ledger_hash must be a string', options.ledger_hash);
        }
        if (options.taker !== undefined && typeof options.taker !== 'string') {
            throw new errors_1.ValidationError('taker must be a string', options.taker);
        }
        const request = {
            command: 'book_offers',
            taker_pays: takerPays,
            taker_gets: takerGets,
            ledger_index: (_a = options.ledger_index) !== null && _a !== void 0 ? _a : 'validated',
            ledger_hash: options.ledger_hash === null ? undefined : options.ledger_hash,
            limit: (_b = options.limit) !== null && _b !== void 0 ? _b : DEFAULT_LIMIT,
            taker: options.taker ? options.taker : undefined,
        };
        const directOfferResults = yield this.requestAll(request);
        request.taker_gets = takerPays;
        request.taker_pays = takerGets;
        const reverseOfferResults = yield this.requestAll(request);
        const directOffers = (0, flatMap_1.default)(directOfferResults, (directOfferResult) => directOfferResult.result.offers);
        const reverseOffers = (0, flatMap_1.default)(reverseOfferResults, (reverseOfferResult) => reverseOfferResult.result.offers);
        const orders = [...directOffers, ...reverseOffers];
        const buy = [];
        const sell = [];
        orders.forEach((order) => {
            if ((order.Flags & Offer_1.OfferFlags.lsfSell) === 0) {
                buy.push(order);
            }
            else {
                sell.push(order);
            }
        });
        return {
            buy: sortOffers(buy).slice(0, options.limit),
            sell: sortOffers(sell).slice(0, options.limit),
        };
    });
}
exports["default"] = getOrderbook;
//# sourceMappingURL=getOrderbook.js.map

/***/ }),

/***/ 61021:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.getOrderbook = exports.getLedgerIndex = exports.getXrpBalance = exports.getBalances = exports.autofill = void 0;
var autofill_1 = __webpack_require__(94714);
Object.defineProperty(exports, "autofill", ({ enumerable: true, get: function () { return __importDefault(autofill_1).default; } }));
var balances_1 = __webpack_require__(96647);
Object.defineProperty(exports, "getBalances", ({ enumerable: true, get: function () { return balances_1.getBalances; } }));
Object.defineProperty(exports, "getXrpBalance", ({ enumerable: true, get: function () { return balances_1.getXrpBalance; } }));
var getLedgerIndex_1 = __webpack_require__(87723);
Object.defineProperty(exports, "getLedgerIndex", ({ enumerable: true, get: function () { return __importDefault(getLedgerIndex_1).default; } }));
var getOrderbook_1 = __webpack_require__(43066);
Object.defineProperty(exports, "getOrderbook", ({ enumerable: true, get: function () { return __importDefault(getOrderbook_1).default; } }));
__exportStar(__webpack_require__(97509), exports);
__exportStar(__webpack_require__(93170), exports);
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 97509:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.submitAndWait = exports.submit = void 0;
const ripple_binary_codec_1 = __webpack_require__(42353);
const errors_1 = __webpack_require__(25615);
const utils_1 = __webpack_require__(6607);
const LEDGER_CLOSE_TIME = 1000;
function sleep(ms) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve) => {
            setTimeout(resolve, ms);
        });
    });
}
function submit(transaction, opts) {
    return __awaiter(this, void 0, void 0, function* () {
        const signedTx = yield getSignedTx(this, transaction, opts);
        return submitRequest(this, signedTx, opts === null || opts === void 0 ? void 0 : opts.failHard);
    });
}
exports.submit = submit;
function submitAndWait(transaction, opts) {
    return __awaiter(this, void 0, void 0, function* () {
        const signedTx = yield getSignedTx(this, transaction, opts);
        const lastLedger = getLastLedgerSequence(signedTx);
        if (lastLedger == null) {
            throw new errors_1.ValidationError('Transaction must contain a LastLedgerSequence value for reliable submission.');
        }
        const response = yield submitRequest(this, signedTx, opts === null || opts === void 0 ? void 0 : opts.failHard);
        const txHash = utils_1.hashes.hashSignedTx(signedTx);
        return waitForFinalTransactionOutcome(this, txHash, lastLedger, response.result.engine_result);
    });
}
exports.submitAndWait = submitAndWait;
function submitRequest(client, signedTransaction, failHard = false) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!isSigned(signedTransaction)) {
            throw new errors_1.ValidationError('Transaction must be signed');
        }
        const signedTxEncoded = typeof signedTransaction === 'string'
            ? signedTransaction
            : (0, ripple_binary_codec_1.encode)(signedTransaction);
        const request = {
            command: 'submit',
            tx_blob: signedTxEncoded,
            fail_hard: isAccountDelete(signedTransaction) || failHard,
        };
        return client.request(request);
    });
}
function waitForFinalTransactionOutcome(client, txHash, lastLedger, submissionResult) {
    return __awaiter(this, void 0, void 0, function* () {
        yield sleep(LEDGER_CLOSE_TIME);
        const latestLedger = yield client.getLedgerIndex();
        if (lastLedger < latestLedger) {
            throw new errors_1.XrplError(`The latest ledger sequence ${latestLedger} is greater than the transaction's LastLedgerSequence (${lastLedger}).\n` +
                `Preliminary result: ${submissionResult}`);
        }
        const txResponse = yield client
            .request({
            command: 'tx',
            transaction: txHash,
        })
            .catch((error) => __awaiter(this, void 0, void 0, function* () {
            var _a;
            const message = (_a = error === null || error === void 0 ? void 0 : error.data) === null || _a === void 0 ? void 0 : _a.error;
            if (message === 'txnNotFound') {
                return waitForFinalTransactionOutcome(client, txHash, lastLedger, submissionResult);
            }
            throw new Error(`${message} \n Preliminary result: ${submissionResult}.\nFull error details: ${String(error)}`);
        }));
        if (txResponse.result.validated) {
            return txResponse;
        }
        return waitForFinalTransactionOutcome(client, txHash, lastLedger, submissionResult);
    });
}
function isSigned(transaction) {
    const tx = typeof transaction === 'string' ? (0, ripple_binary_codec_1.decode)(transaction) : transaction;
    return (typeof tx !== 'string' &&
        (tx.SigningPubKey != null || tx.TxnSignature != null));
}
function getSignedTx(client, transaction, { autofill = true, wallet, } = {}) {
    return __awaiter(this, void 0, void 0, function* () {
        if (isSigned(transaction)) {
            return transaction;
        }
        if (!wallet) {
            throw new errors_1.ValidationError('Wallet must be provided when submitting an unsigned transaction');
        }
        let tx = typeof transaction === 'string'
            ?
                (0, ripple_binary_codec_1.decode)(transaction)
            : transaction;
        if (autofill) {
            tx = yield client.autofill(tx);
        }
        return wallet.sign(tx).tx_blob;
    });
}
function getLastLedgerSequence(transaction) {
    const tx = typeof transaction === 'string' ? (0, ripple_binary_codec_1.decode)(transaction) : transaction;
    return tx.LastLedgerSequence;
}
function isAccountDelete(transaction) {
    const tx = typeof transaction === 'string' ? (0, ripple_binary_codec_1.decode)(transaction) : transaction;
    return tx.TransactionType === 'AccountDelete';
}
//# sourceMappingURL=submit.js.map

/***/ }),

/***/ 93170:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.ensureClassicAddress = void 0;
const ripple_address_codec_1 = __webpack_require__(88914);
function ensureClassicAddress(account) {
    if ((0, ripple_address_codec_1.isValidXAddress)(account)) {
        const { classicAddress, tag } = (0, ripple_address_codec_1.xAddressToClassicAddress)(account);
        if (tag !== false) {
            throw new Error('This command does not support the use of a tag. Use an address without a tag.');
        }
        return classicAddress;
    }
    return account;
}
exports.ensureClassicAddress = ensureClassicAddress;
//# sourceMappingURL=utils.js.map

/***/ }),

/***/ 66316:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const errors_1 = __webpack_require__(25615);
const stringConversion_1 = __webpack_require__(73333);
function createCrossChainPayment(payment, destAccount) {
    var _a;
    const destAccountHex = (0, stringConversion_1.convertStringToHex)(destAccount);
    const destAccountMemo = { Memo: { MemoData: destAccountHex } };
    const memos = (_a = payment.Memos) !== null && _a !== void 0 ? _a : [];
    if (memos.length > 2) {
        throw new errors_1.XrplError('Cannot have more than 2 memos in a cross-chain transaction.');
    }
    const newMemos = [destAccountMemo, ...memos];
    const newPayment = Object.assign(Object.assign({}, payment), { Memos: newMemos });
    delete newPayment.TxnSignature;
    return newPayment;
}
exports["default"] = createCrossChainPayment;
//# sourceMappingURL=createCrossChainPayment.js.map

/***/ }),

/***/ 9094:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.deriveXAddress = exports.deriveAddress = exports.deriveKeypair = void 0;
const ripple_address_codec_1 = __webpack_require__(88914);
const ripple_keypairs_1 = __webpack_require__(29140);
Object.defineProperty(exports, "deriveKeypair", ({ enumerable: true, get: function () { return ripple_keypairs_1.deriveKeypair; } }));
Object.defineProperty(exports, "deriveAddress", ({ enumerable: true, get: function () { return ripple_keypairs_1.deriveAddress; } }));
function deriveXAddress(options) {
    const classicAddress = (0, ripple_keypairs_1.deriveAddress)(options.publicKey);
    return (0, ripple_address_codec_1.classicAddressToXAddress)(classicAddress, options.tag, options.test);
}
exports.deriveXAddress = deriveXAddress;
//# sourceMappingURL=derive.js.map

/***/ }),

/***/ 90013:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const flatten_1 = __importDefault(__webpack_require__(85564));
const groupBy_1 = __importDefault(__webpack_require__(7739));
const xrpConversion_1 = __webpack_require__(75122);
function normalizeNode(affectedNode) {
    const diffType = Object.keys(affectedNode)[0];
    const node = affectedNode[diffType];
    return Object.assign(Object.assign({}, node), { NodeType: diffType, LedgerEntryType: node.LedgerEntryType, LedgerIndex: node.LedgerIndex, NewFields: node.NewFields, FinalFields: node.FinalFields, PreviousFields: node.PreviousFields });
}
function normalizeNodes(metadata) {
    if (metadata.AffectedNodes.length === 0) {
        return [];
    }
    return metadata.AffectedNodes.map(normalizeNode);
}
function groupByAccount(balanceChanges) {
    const grouped = (0, groupBy_1.default)(balanceChanges, (node) => node.account);
    return Object.entries(grouped).map(([account, items]) => {
        return { account, balances: items.map((item) => item.balance) };
    });
}
function getValue(balance) {
    if (typeof balance === 'string') {
        return new bignumber_js_1.default(balance);
    }
    return new bignumber_js_1.default(balance.value);
}
function computeBalanceChange(node) {
    var _a, _b, _c;
    let value = null;
    if ((_a = node.NewFields) === null || _a === void 0 ? void 0 : _a.Balance) {
        value = getValue(node.NewFields.Balance);
    }
    else if (((_b = node.PreviousFields) === null || _b === void 0 ? void 0 : _b.Balance) && ((_c = node.FinalFields) === null || _c === void 0 ? void 0 : _c.Balance)) {
        value = getValue(node.FinalFields.Balance).minus(getValue(node.PreviousFields.Balance));
    }
    if (value === null || value.isZero()) {
        return null;
    }
    return value;
}
function getXRPQuantity(node) {
    var _a, _b, _c;
    const value = computeBalanceChange(node);
    if (value === null) {
        return null;
    }
    return {
        account: ((_b = (_a = node.FinalFields) === null || _a === void 0 ? void 0 : _a.Account) !== null && _b !== void 0 ? _b : (_c = node.NewFields) === null || _c === void 0 ? void 0 : _c.Account),
        balance: {
            currency: 'XRP',
            value: (0, xrpConversion_1.dropsToXrp)(value).toString(),
        },
    };
}
function flipTrustlinePerspective(balanceChange) {
    const negatedBalance = new bignumber_js_1.default(balanceChange.balance.value).negated();
    return {
        account: balanceChange.balance.issuer,
        balance: {
            issuer: balanceChange.account,
            currency: balanceChange.balance.currency,
            value: negatedBalance.toString(),
        },
    };
}
function getTrustlineQuantity(node) {
    var _a, _b;
    const value = computeBalanceChange(node);
    if (value === null) {
        return null;
    }
    const fields = node.NewFields == null ? node.FinalFields : node.NewFields;
    const result = {
        account: (_a = fields === null || fields === void 0 ? void 0 : fields.LowLimit) === null || _a === void 0 ? void 0 : _a.issuer,
        balance: {
            issuer: (_b = fields === null || fields === void 0 ? void 0 : fields.HighLimit) === null || _b === void 0 ? void 0 : _b.issuer,
            currency: (fields === null || fields === void 0 ? void 0 : fields.Balance).currency,
            value: value.toString(),
        },
    };
    return [result, flipTrustlinePerspective(result)];
}
function getBalanceChanges(metadata) {
    const quantities = normalizeNodes(metadata).map((node) => {
        if (node.LedgerEntryType === 'AccountRoot') {
            const xrpQuantity = getXRPQuantity(node);
            if (xrpQuantity == null) {
                return [];
            }
            return [xrpQuantity];
        }
        if (node.LedgerEntryType === 'RippleState') {
            const trustlineQuantity = getTrustlineQuantity(node);
            if (trustlineQuantity == null) {
                return [];
            }
            return trustlineQuantity;
        }
        return [];
    });
    return groupByAccount((0, flatten_1.default)(quantities));
}
exports["default"] = getBalanceChanges;
//# sourceMappingURL=getBalanceChanges.js.map

/***/ }),

/***/ 85612:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const flatMap_1 = __importDefault(__webpack_require__(94654));
const metadata_1 = __webpack_require__(76262);
function getNFTokenID(meta) {
    if (meta.AffectedNodes === undefined) {
        throw new TypeError(`Unable to parse the parameter given to getNFTokenID. 
    'meta' must be the metadata from an NFTokenMint transaction. Received ${JSON.stringify(meta)} instead.`);
    }
    const affectedNodes = meta.AffectedNodes.filter((node) => {
        var _a;
        if ((0, metadata_1.isCreatedNode)(node)) {
            return node.CreatedNode.LedgerEntryType === 'NFTokenPage';
        }
        if ((0, metadata_1.isModifiedNode)(node)) {
            return (node.ModifiedNode.LedgerEntryType === 'NFTokenPage' &&
                Boolean((_a = node.ModifiedNode.PreviousFields) === null || _a === void 0 ? void 0 : _a.NFTokens));
        }
        return false;
    });
    const previousTokenIDSet = new Set((0, flatMap_1.default)(affectedNodes, (node) => {
        var _a;
        const nftokens = (0, metadata_1.isModifiedNode)(node)
            ? (_a = node.ModifiedNode.PreviousFields) === null || _a === void 0 ? void 0 : _a.NFTokens
            : [];
        return nftokens.map((token) => token.NFToken.NFTokenID);
    }).filter((id) => Boolean(id)));
    const finalTokenIDs = (0, flatMap_1.default)(affectedNodes, (node) => {
        var _a, _b, _c, _d, _e, _f;
        return ((_f = ((_c = (_b = (_a = node.ModifiedNode) === null || _a === void 0 ? void 0 : _a.FinalFields) === null || _b === void 0 ? void 0 : _b.NFTokens) !== null && _c !== void 0 ? _c : (_e = (_d = node.CreatedNode) === null || _d === void 0 ? void 0 : _d.NewFields) === null || _e === void 0 ? void 0 : _e.NFTokens)) !== null && _f !== void 0 ? _f : []).map((token) => token.NFToken.NFTokenID);
    }).filter((nftokenID) => Boolean(nftokenID));
    const nftokenID = finalTokenIDs.find((id) => !previousTokenIDSet.has(id));
    return nftokenID;
}
exports["default"] = getNFTokenID;
//# sourceMappingURL=getNFTokenID.js.map

/***/ }),

/***/ 42861:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
var HashPrefix;
(function (HashPrefix) {
    HashPrefix[HashPrefix["TRANSACTION_ID"] = 1415073280] = "TRANSACTION_ID";
    HashPrefix[HashPrefix["TRANSACTION_NODE"] = 1397638144] = "TRANSACTION_NODE";
    HashPrefix[HashPrefix["INNER_NODE"] = 1296649728] = "INNER_NODE";
    HashPrefix[HashPrefix["LEAF_NODE"] = 1296846336] = "LEAF_NODE";
    HashPrefix[HashPrefix["TRANSACTION_SIGN"] = 1398036480] = "TRANSACTION_SIGN";
    HashPrefix[HashPrefix["TRANSACTION_SIGN_TESTNET"] = 1937012736] = "TRANSACTION_SIGN_TESTNET";
    HashPrefix[HashPrefix["TRANSACTION_MULTISIGN"] = 1397576704] = "TRANSACTION_MULTISIGN";
    HashPrefix[HashPrefix["LEDGER"] = 1280791040] = "LEDGER";
})(HashPrefix || (HashPrefix = {}));
exports["default"] = HashPrefix;
//# sourceMappingURL=HashPrefix.js.map

/***/ }),

/***/ 90963:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const errors_1 = __webpack_require__(25615);
const HashPrefix_1 = __importDefault(__webpack_require__(42861));
const sha512Half_1 = __importDefault(__webpack_require__(40026));
const LeafNode_1 = __importDefault(__webpack_require__(34952));
const node_1 = __webpack_require__(76639);
const HEX_ZERO = '0000000000000000000000000000000000000000000000000000000000000000';
const SLOT_MAX = 15;
const HEX = 16;
class InnerNode extends node_1.Node {
    constructor(depth = 0) {
        super();
        this.leaves = {};
        this.type = node_1.NodeType.INNER;
        this.depth = depth;
        this.empty = true;
    }
    get hash() {
        if (this.empty) {
            return HEX_ZERO;
        }
        let hex = '';
        for (let iter = 0; iter <= SLOT_MAX; iter++) {
            const child = this.leaves[iter];
            const hash = child == null ? HEX_ZERO : child.hash;
            hex += hash;
        }
        const prefix = HashPrefix_1.default.INNER_NODE.toString(HEX);
        return (0, sha512Half_1.default)(prefix + hex);
    }
    addItem(tag, node) {
        const existingNode = this.getNode(parseInt(tag[this.depth], HEX));
        if (existingNode === undefined) {
            this.setNode(parseInt(tag[this.depth], HEX), node);
            return;
        }
        if (existingNode instanceof InnerNode) {
            existingNode.addItem(tag, node);
        }
        else if (existingNode instanceof LeafNode_1.default) {
            if (existingNode.tag === tag) {
                throw new errors_1.XrplError('Tried to add a node to a SHAMap that was already in there.');
            }
            else {
                const newInnerNode = new InnerNode(this.depth + 1);
                newInnerNode.addItem(existingNode.tag, existingNode);
                newInnerNode.addItem(tag, node);
                this.setNode(parseInt(tag[this.depth], HEX), newInnerNode);
            }
        }
    }
    setNode(slot, node) {
        if (slot < 0 || slot > SLOT_MAX) {
            throw new errors_1.XrplError('Invalid slot: slot must be between 0-15.');
        }
        this.leaves[slot] = node;
        this.empty = false;
    }
    getNode(slot) {
        if (slot < 0 || slot > SLOT_MAX) {
            throw new errors_1.XrplError('Invalid slot: slot must be between 0-15.');
        }
        return this.leaves[slot];
    }
}
exports["default"] = InnerNode;
//# sourceMappingURL=InnerNode.js.map

/***/ }),

/***/ 34952:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const errors_1 = __webpack_require__(25615);
const HashPrefix_1 = __importDefault(__webpack_require__(42861));
const sha512Half_1 = __importDefault(__webpack_require__(40026));
const node_1 = __webpack_require__(76639);
const HEX = 16;
class LeafNode extends node_1.Node {
    constructor(tag, data, type) {
        super();
        this.tag = tag;
        this.type = type;
        this.data = data;
    }
    get hash() {
        switch (this.type) {
            case node_1.NodeType.ACCOUNT_STATE: {
                const leafPrefix = HashPrefix_1.default.LEAF_NODE.toString(HEX);
                return (0, sha512Half_1.default)(leafPrefix + this.data + this.tag);
            }
            case node_1.NodeType.TRANSACTION_NO_METADATA: {
                const txIDPrefix = HashPrefix_1.default.TRANSACTION_ID.toString(HEX);
                return (0, sha512Half_1.default)(txIDPrefix + this.data);
            }
            case node_1.NodeType.TRANSACTION_METADATA: {
                const txNodePrefix = HashPrefix_1.default.TRANSACTION_NODE.toString(HEX);
                return (0, sha512Half_1.default)(txNodePrefix + this.data + this.tag);
            }
            default:
                throw new errors_1.XrplError('Tried to hash a SHAMap node of unknown type.');
        }
    }
    addItem(tag, node) {
        throw new errors_1.XrplError('Cannot call addItem on a LeafNode');
        this.addItem(tag, node);
    }
}
exports["default"] = LeafNode;
//# sourceMappingURL=LeafNode.js.map

/***/ }),

/***/ 91040:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const InnerNode_1 = __importDefault(__webpack_require__(90963));
const LeafNode_1 = __importDefault(__webpack_require__(34952));
class SHAMap {
    constructor() {
        this.root = new InnerNode_1.default(0);
    }
    get hash() {
        return this.root.hash;
    }
    addItem(tag, data, type) {
        this.root.addItem(tag, new LeafNode_1.default(tag, data, type));
    }
}
__exportStar(__webpack_require__(76639), exports);
exports["default"] = SHAMap;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 76639:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.Node = exports.NodeType = void 0;
var NodeType;
(function (NodeType) {
    NodeType[NodeType["INNER"] = 1] = "INNER";
    NodeType[NodeType["TRANSACTION_NO_METADATA"] = 2] = "TRANSACTION_NO_METADATA";
    NodeType[NodeType["TRANSACTION_METADATA"] = 3] = "TRANSACTION_METADATA";
    NodeType[NodeType["ACCOUNT_STATE"] = 4] = "ACCOUNT_STATE";
})(NodeType = exports.NodeType || (exports.NodeType = {}));
class Node {
}
exports.Node = Node;
//# sourceMappingURL=node.js.map

/***/ }),

/***/ 42704:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.hashStateTree = exports.hashTxTree = exports.hashLedgerHeader = exports.hashSignedTx = void 0;
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const ripple_binary_codec_1 = __webpack_require__(42353);
const errors_1 = __webpack_require__(25615);
const HashPrefix_1 = __importDefault(__webpack_require__(42861));
const sha512Half_1 = __importDefault(__webpack_require__(40026));
const SHAMap_1 = __importStar(__webpack_require__(91040));
const HEX = 16;
function intToHex(integer, byteLength) {
    const foo = Number(integer)
        .toString(HEX)
        .padStart(byteLength * 2, '0');
    return foo;
}
function bytesToHex(bytes) {
    return Buffer.from(bytes).toString('hex');
}
function bigintToHex(integerString, byteLength) {
    const hex = new bignumber_js_1.default(integerString).toString(HEX);
    return hex.padStart(byteLength * 2, '0');
}
function addLengthPrefix(hex) {
    const length = hex.length / 2;
    if (length <= 192) {
        return bytesToHex([length]) + hex;
    }
    if (length <= 12480) {
        const prefix = length - 193;
        return bytesToHex([193 + (prefix >>> 8), prefix & 0xff]) + hex;
    }
    if (length <= 918744) {
        const prefix = length - 12481;
        return (bytesToHex([
            241 + (prefix >>> 16),
            (prefix >>> 8) & 0xff,
            prefix & 0xff,
        ]) + hex);
    }
    throw new errors_1.XrplError('Variable integer overflow.');
}
function hashSignedTx(tx) {
    let txBlob;
    let txObject;
    if (typeof tx === 'string') {
        txBlob = tx;
        txObject = (0, ripple_binary_codec_1.decode)(tx);
    }
    else {
        txBlob = (0, ripple_binary_codec_1.encode)(tx);
        txObject = tx;
    }
    if (txObject.TxnSignature === undefined && txObject.Signers === undefined) {
        throw new errors_1.ValidationError('The transaction must be signed to hash it.');
    }
    const prefix = HashPrefix_1.default.TRANSACTION_ID.toString(16).toUpperCase();
    return (0, sha512Half_1.default)(prefix.concat(txBlob));
}
exports.hashSignedTx = hashSignedTx;
function hashLedgerHeader(ledgerHeader) {
    const prefix = HashPrefix_1.default.LEDGER.toString(HEX).toUpperCase();
    const ledger = prefix +
        intToHex(Number(ledgerHeader.ledger_index), 4) +
        bigintToHex(ledgerHeader.total_coins, 8) +
        ledgerHeader.parent_hash +
        ledgerHeader.transaction_hash +
        ledgerHeader.account_hash +
        intToHex(ledgerHeader.parent_close_time, 4) +
        intToHex(ledgerHeader.close_time, 4) +
        intToHex(ledgerHeader.close_time_resolution, 1) +
        intToHex(ledgerHeader.close_flags, 1);
    return (0, sha512Half_1.default)(ledger);
}
exports.hashLedgerHeader = hashLedgerHeader;
function hashTxTree(transactions) {
    var _a;
    const shamap = new SHAMap_1.default();
    for (const txJSON of transactions) {
        const txBlobHex = (0, ripple_binary_codec_1.encode)(txJSON);
        const metaHex = (0, ripple_binary_codec_1.encode)((_a = txJSON.metaData) !== null && _a !== void 0 ? _a : {});
        const txHash = hashSignedTx(txBlobHex);
        const data = addLengthPrefix(txBlobHex) + addLengthPrefix(metaHex);
        shamap.addItem(txHash, data, SHAMap_1.NodeType.TRANSACTION_METADATA);
    }
    return shamap.hash;
}
exports.hashTxTree = hashTxTree;
function hashStateTree(entries) {
    const shamap = new SHAMap_1.default();
    entries.forEach((ledgerEntry) => {
        const data = (0, ripple_binary_codec_1.encode)(ledgerEntry);
        shamap.addItem(ledgerEntry.index, data, SHAMap_1.NodeType.ACCOUNT_STATE);
    });
    return shamap.hash;
}
exports.hashStateTree = hashStateTree;
function computeTransactionHash(ledger, options) {
    const { transaction_hash } = ledger;
    if (!options.computeTreeHashes) {
        return transaction_hash;
    }
    if (ledger.transactions == null) {
        throw new errors_1.ValidationError('transactions is missing from the ledger');
    }
    const transactionHash = hashTxTree(ledger.transactions);
    if (transaction_hash !== transactionHash) {
        throw new errors_1.ValidationError('transactionHash in header' +
            ' does not match computed hash of transactions', {
            transactionHashInHeader: transaction_hash,
            computedHashOfTransactions: transactionHash,
        });
    }
    return transactionHash;
}
function computeStateHash(ledger, options) {
    const { account_hash } = ledger;
    if (!options.computeTreeHashes) {
        return account_hash;
    }
    if (ledger.accountState == null) {
        throw new errors_1.ValidationError('accountState is missing from the ledger');
    }
    const stateHash = hashStateTree(ledger.accountState);
    if (account_hash !== stateHash) {
        throw new errors_1.ValidationError('stateHash in header does not match computed hash of state');
    }
    return stateHash;
}
function hashLedger(ledger, options = {}) {
    const subhashes = {
        transaction_hash: computeTransactionHash(ledger, options),
        account_hash: computeStateHash(ledger, options),
    };
    return hashLedgerHeader(Object.assign(Object.assign({}, ledger), subhashes));
}
exports["default"] = hashLedger;
//# sourceMappingURL=hashLedger.js.map

/***/ }),

/***/ 93671:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.hashTxTree = exports.hashStateTree = exports.hashLedger = exports.hashSignedTx = exports.hashLedgerHeader = exports.hashPaymentChannel = exports.hashEscrow = exports.hashTrustline = exports.hashOfferId = exports.hashSignerListId = exports.hashAccountRoot = exports.hashTx = void 0;
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const ripple_address_codec_1 = __webpack_require__(88914);
const hashLedger_1 = __importStar(__webpack_require__(42704));
exports.hashLedger = hashLedger_1.default;
Object.defineProperty(exports, "hashLedgerHeader", ({ enumerable: true, get: function () { return hashLedger_1.hashLedgerHeader; } }));
Object.defineProperty(exports, "hashSignedTx", ({ enumerable: true, get: function () { return hashLedger_1.hashSignedTx; } }));
Object.defineProperty(exports, "hashTxTree", ({ enumerable: true, get: function () { return hashLedger_1.hashTxTree; } }));
Object.defineProperty(exports, "hashStateTree", ({ enumerable: true, get: function () { return hashLedger_1.hashStateTree; } }));
const HashPrefix_1 = __importDefault(__webpack_require__(42861));
const ledgerSpaces_1 = __importDefault(__webpack_require__(81887));
const sha512Half_1 = __importDefault(__webpack_require__(40026));
const HEX = 16;
const BYTE_LENGTH = 4;
function addressToHex(address) {
    return Buffer.from((0, ripple_address_codec_1.decodeAccountID)(address)).toString('hex');
}
function ledgerSpaceHex(name) {
    return ledgerSpaces_1.default[name].charCodeAt(0).toString(HEX).padStart(4, '0');
}
const MASK = 0xff;
function currencyToHex(currency) {
    if (currency.length !== 3) {
        return currency;
    }
    const bytes = Array(20).fill(0);
    bytes[12] = currency.charCodeAt(0) & MASK;
    bytes[13] = currency.charCodeAt(1) & MASK;
    bytes[14] = currency.charCodeAt(2) & MASK;
    return Buffer.from(bytes).toString('hex');
}
function hashTx(txBlobHex) {
    const prefix = HashPrefix_1.default.TRANSACTION_SIGN.toString(HEX).toUpperCase();
    return (0, sha512Half_1.default)(prefix + txBlobHex);
}
exports.hashTx = hashTx;
function hashAccountRoot(address) {
    return (0, sha512Half_1.default)(ledgerSpaceHex('account') + addressToHex(address));
}
exports.hashAccountRoot = hashAccountRoot;
function hashSignerListId(address) {
    return (0, sha512Half_1.default)(`${ledgerSpaceHex('signerList') + addressToHex(address)}00000000`);
}
exports.hashSignerListId = hashSignerListId;
function hashOfferId(address, sequence) {
    const hexPrefix = ledgerSpaces_1.default.offer
        .charCodeAt(0)
        .toString(HEX)
        .padStart(2, '0');
    const hexSequence = sequence.toString(HEX).padStart(8, '0');
    const prefix = `00${hexPrefix}`;
    return (0, sha512Half_1.default)(prefix + addressToHex(address) + hexSequence);
}
exports.hashOfferId = hashOfferId;
function hashTrustline(address1, address2, currency) {
    const address1Hex = addressToHex(address1);
    const address2Hex = addressToHex(address2);
    const swap = new bignumber_js_1.default(address1Hex, 16).isGreaterThan(new bignumber_js_1.default(address2Hex, 16));
    const lowAddressHex = swap ? address2Hex : address1Hex;
    const highAddressHex = swap ? address1Hex : address2Hex;
    const prefix = ledgerSpaceHex('rippleState');
    return (0, sha512Half_1.default)(prefix + lowAddressHex + highAddressHex + currencyToHex(currency));
}
exports.hashTrustline = hashTrustline;
function hashEscrow(address, sequence) {
    return (0, sha512Half_1.default)(ledgerSpaceHex('escrow') +
        addressToHex(address) +
        sequence.toString(HEX).padStart(BYTE_LENGTH * 2, '0'));
}
exports.hashEscrow = hashEscrow;
function hashPaymentChannel(address, dstAddress, sequence) {
    return (0, sha512Half_1.default)(ledgerSpaceHex('paychan') +
        addressToHex(address) +
        addressToHex(dstAddress) +
        sequence.toString(HEX).padStart(BYTE_LENGTH * 2, '0'));
}
exports.hashPaymentChannel = hashPaymentChannel;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 81887:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const ledgerSpaces = {
    account: 'a',
    dirNode: 'd',
    generatorMap: 'g',
    rippleState: 'r',
    offer: 'o',
    ownerDir: 'O',
    bookDir: 'B',
    contract: 'c',
    skipList: 's',
    escrow: 'u',
    amendment: 'f',
    feeSettings: 'e',
    ticket: 'T',
    signerList: 'S',
    paychan: 'x',
    check: 'C',
    depositPreauth: 'p',
};
exports["default"] = ledgerSpaces;
//# sourceMappingURL=ledgerSpaces.js.map

/***/ }),

/***/ 40026:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

Object.defineProperty(exports, "__esModule", ({ value: true }));
const crypto_1 = __webpack_require__(55835);
const HASH_SIZE = 64;
function sha512Half(hex) {
    return (0, crypto_1.createHash)('sha512')
        .update(Buffer.from(hex, 'hex'))
        .digest('hex')
        .toUpperCase()
        .slice(0, HASH_SIZE);
}
exports["default"] = sha512Half;
//# sourceMappingURL=sha512Half.js.map

/***/ }),

/***/ 6607:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.parseNFTokenID = exports.createCrossChainPayment = exports.getNFTokenID = exports.encodeForSigningClaim = exports.encodeForSigning = exports.encodeForMultiSigning = exports.decode = exports.encode = exports.decodeXAddress = exports.encodeXAddress = exports.decodeAccountPublic = exports.encodeAccountPublic = exports.decodeNodePublic = exports.encodeNodePublic = exports.decodeAccountID = exports.encodeAccountID = exports.decodeSeed = exports.encodeSeed = exports.isValidClassicAddress = exports.isValidXAddress = exports.xAddressToClassicAddress = exports.classicAddressToXAddress = exports.convertHexToString = exports.convertStringToHex = exports.verifyPaymentChannelClaim = exports.verifyKeypairSignature = exports.signPaymentChannelClaim = exports.deriveXAddress = exports.deriveAddress = exports.deriveKeypair = exports.hashes = exports.isValidAddress = exports.isValidSecret = exports.qualityToDecimal = exports.transferRateToDecimal = exports.decimalToTransferRate = exports.percentToTransferRate = exports.decimalToQuality = exports.percentToQuality = exports.unixTimeToRippleTime = exports.rippleTimeToUnixTime = exports.isoTimeToRippleTime = exports.rippleTimeToISOTime = exports.hasNextPage = exports.xrpToDrops = exports.dropsToXrp = exports.getBalanceChanges = void 0;
const ripple_address_codec_1 = __webpack_require__(88914);
Object.defineProperty(exports, "classicAddressToXAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.classicAddressToXAddress; } }));
Object.defineProperty(exports, "decodeAccountID", ({ enumerable: true, get: function () { return ripple_address_codec_1.decodeAccountID; } }));
Object.defineProperty(exports, "decodeAccountPublic", ({ enumerable: true, get: function () { return ripple_address_codec_1.decodeAccountPublic; } }));
Object.defineProperty(exports, "decodeNodePublic", ({ enumerable: true, get: function () { return ripple_address_codec_1.decodeNodePublic; } }));
Object.defineProperty(exports, "decodeSeed", ({ enumerable: true, get: function () { return ripple_address_codec_1.decodeSeed; } }));
Object.defineProperty(exports, "decodeXAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.decodeXAddress; } }));
Object.defineProperty(exports, "encodeAccountID", ({ enumerable: true, get: function () { return ripple_address_codec_1.encodeAccountID; } }));
Object.defineProperty(exports, "encodeAccountPublic", ({ enumerable: true, get: function () { return ripple_address_codec_1.encodeAccountPublic; } }));
Object.defineProperty(exports, "encodeNodePublic", ({ enumerable: true, get: function () { return ripple_address_codec_1.encodeNodePublic; } }));
Object.defineProperty(exports, "encodeSeed", ({ enumerable: true, get: function () { return ripple_address_codec_1.encodeSeed; } }));
Object.defineProperty(exports, "encodeXAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.encodeXAddress; } }));
Object.defineProperty(exports, "isValidClassicAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.isValidClassicAddress; } }));
Object.defineProperty(exports, "isValidXAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.isValidXAddress; } }));
Object.defineProperty(exports, "xAddressToClassicAddress", ({ enumerable: true, get: function () { return ripple_address_codec_1.xAddressToClassicAddress; } }));
const rbc = __importStar(__webpack_require__(42353));
const ripple_keypairs_1 = __webpack_require__(29140);
Object.defineProperty(exports, "verifyKeypairSignature", ({ enumerable: true, get: function () { return ripple_keypairs_1.verify; } }));
const createCrossChainPayment_1 = __importDefault(__webpack_require__(66316));
exports.createCrossChainPayment = createCrossChainPayment_1.default;
const derive_1 = __webpack_require__(9094);
Object.defineProperty(exports, "deriveKeypair", ({ enumerable: true, get: function () { return derive_1.deriveKeypair; } }));
Object.defineProperty(exports, "deriveAddress", ({ enumerable: true, get: function () { return derive_1.deriveAddress; } }));
Object.defineProperty(exports, "deriveXAddress", ({ enumerable: true, get: function () { return derive_1.deriveXAddress; } }));
const getBalanceChanges_1 = __importDefault(__webpack_require__(90013));
exports.getBalanceChanges = getBalanceChanges_1.default;
const getNFTokenID_1 = __importDefault(__webpack_require__(85612));
exports.getNFTokenID = getNFTokenID_1.default;
const hashes_1 = __webpack_require__(93671);
const parseNFTokenID_1 = __importDefault(__webpack_require__(54112));
exports.parseNFTokenID = parseNFTokenID_1.default;
const quality_1 = __webpack_require__(33217);
Object.defineProperty(exports, "percentToTransferRate", ({ enumerable: true, get: function () { return quality_1.percentToTransferRate; } }));
Object.defineProperty(exports, "decimalToTransferRate", ({ enumerable: true, get: function () { return quality_1.decimalToTransferRate; } }));
Object.defineProperty(exports, "transferRateToDecimal", ({ enumerable: true, get: function () { return quality_1.transferRateToDecimal; } }));
Object.defineProperty(exports, "percentToQuality", ({ enumerable: true, get: function () { return quality_1.percentToQuality; } }));
Object.defineProperty(exports, "decimalToQuality", ({ enumerable: true, get: function () { return quality_1.decimalToQuality; } }));
Object.defineProperty(exports, "qualityToDecimal", ({ enumerable: true, get: function () { return quality_1.qualityToDecimal; } }));
const signPaymentChannelClaim_1 = __importDefault(__webpack_require__(98030));
exports.signPaymentChannelClaim = signPaymentChannelClaim_1.default;
const stringConversion_1 = __webpack_require__(73333);
Object.defineProperty(exports, "convertHexToString", ({ enumerable: true, get: function () { return stringConversion_1.convertHexToString; } }));
Object.defineProperty(exports, "convertStringToHex", ({ enumerable: true, get: function () { return stringConversion_1.convertStringToHex; } }));
const timeConversion_1 = __webpack_require__(48716);
Object.defineProperty(exports, "rippleTimeToISOTime", ({ enumerable: true, get: function () { return timeConversion_1.rippleTimeToISOTime; } }));
Object.defineProperty(exports, "isoTimeToRippleTime", ({ enumerable: true, get: function () { return timeConversion_1.isoTimeToRippleTime; } }));
Object.defineProperty(exports, "rippleTimeToUnixTime", ({ enumerable: true, get: function () { return timeConversion_1.rippleTimeToUnixTime; } }));
Object.defineProperty(exports, "unixTimeToRippleTime", ({ enumerable: true, get: function () { return timeConversion_1.unixTimeToRippleTime; } }));
const verifyPaymentChannelClaim_1 = __importDefault(__webpack_require__(3663));
exports.verifyPaymentChannelClaim = verifyPaymentChannelClaim_1.default;
const xrpConversion_1 = __webpack_require__(75122);
Object.defineProperty(exports, "xrpToDrops", ({ enumerable: true, get: function () { return xrpConversion_1.xrpToDrops; } }));
Object.defineProperty(exports, "dropsToXrp", ({ enumerable: true, get: function () { return xrpConversion_1.dropsToXrp; } }));
function isValidSecret(secret) {
    try {
        (0, derive_1.deriveKeypair)(secret);
        return true;
    }
    catch (_err) {
        return false;
    }
}
exports.isValidSecret = isValidSecret;
function encode(object) {
    return rbc.encode(object);
}
exports.encode = encode;
function encodeForSigning(object) {
    return rbc.encodeForSigning(object);
}
exports.encodeForSigning = encodeForSigning;
function encodeForSigningClaim(object) {
    return rbc.encodeForSigningClaim(object);
}
exports.encodeForSigningClaim = encodeForSigningClaim;
function encodeForMultiSigning(object, signer) {
    return rbc.encodeForMultisigning(object, signer);
}
exports.encodeForMultiSigning = encodeForMultiSigning;
function decode(hex) {
    return rbc.decode(hex);
}
exports.decode = decode;
function isValidAddress(address) {
    return (0, ripple_address_codec_1.isValidXAddress)(address) || (0, ripple_address_codec_1.isValidClassicAddress)(address);
}
exports.isValidAddress = isValidAddress;
function hasNextPage(response) {
    return Boolean(response.result['marker']);
}
exports.hasNextPage = hasNextPage;
const hashes = {
    hashSignedTx: hashes_1.hashSignedTx,
    hashTx: hashes_1.hashTx,
    hashAccountRoot: hashes_1.hashAccountRoot,
    hashSignerListId: hashes_1.hashSignerListId,
    hashOfferId: hashes_1.hashOfferId,
    hashTrustline: hashes_1.hashTrustline,
    hashTxTree: hashes_1.hashTxTree,
    hashStateTree: hashes_1.hashStateTree,
    hashLedger: hashes_1.hashLedger,
    hashLedgerHeader: hashes_1.hashLedgerHeader,
    hashEscrow: hashes_1.hashEscrow,
    hashPaymentChannel: hashes_1.hashPaymentChannel,
};
exports.hashes = hashes;
//# sourceMappingURL=index.js.map

/***/ }),

/***/ 54112:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const ripple_address_codec_1 = __webpack_require__(88914);
const errors_1 = __webpack_require__(25615);
function unscrambleTaxon(taxon, tokenSeq) {
    return (taxon ^ (384160001 * tokenSeq + 2459)) % 4294967296;
}
function parseNFTokenID(nftokenID) {
    const expectedLength = 64;
    if (nftokenID.length !== expectedLength) {
        throw new errors_1.XrplError(`Attempting to parse a nftokenID with length ${nftokenID.length}
    , but expected a token with length ${expectedLength}`);
    }
    const scrambledTaxon = new bignumber_js_1.default(nftokenID.substring(48, 56), 16).toNumber();
    const sequence = new bignumber_js_1.default(nftokenID.substring(56, 64), 16).toNumber();
    const NFTokenIDData = {
        NFTokenID: nftokenID,
        Flags: new bignumber_js_1.default(nftokenID.substring(0, 4), 16).toNumber(),
        TransferFee: new bignumber_js_1.default(nftokenID.substring(4, 8), 16).toNumber(),
        Issuer: (0, ripple_address_codec_1.encodeAccountID)(Buffer.from(nftokenID.substring(8, 48), 'hex')),
        Taxon: unscrambleTaxon(scrambledTaxon, sequence),
        Sequence: sequence,
    };
    return NFTokenIDData;
}
exports["default"] = parseNFTokenID;
//# sourceMappingURL=parseNFTokenID.js.map

/***/ }),

/***/ 33217:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.percentToQuality = exports.transferRateToDecimal = exports.qualityToDecimal = exports.decimalToQuality = exports.percentToTransferRate = exports.decimalToTransferRate = void 0;
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const errors_1 = __webpack_require__(25615);
const BASE_TEN = 10;
const ONE_BILLION = '1000000000';
const TWO_BILLION = '2000000000';
function percentToDecimal(percent) {
    if (!percent.endsWith('%')) {
        throw new errors_1.ValidationError(`Value ${percent} must end with %`);
    }
    const split = percent.split('%').filter((str) => str !== '');
    if (split.length !== 1) {
        throw new errors_1.ValidationError(`Value ${percent} contains too many % signs`);
    }
    return new bignumber_js_1.default(split[0]).dividedBy('100').toString(BASE_TEN);
}
function decimalToTransferRate(decimal) {
    const rate = new bignumber_js_1.default(decimal).times(ONE_BILLION).plus(ONE_BILLION);
    if (rate.isLessThan(ONE_BILLION) || rate.isGreaterThan(TWO_BILLION)) {
        throw new errors_1.ValidationError(`Decimal value must be between 0 and 1.00.`);
    }
    const billionths = rate.toString(BASE_TEN);
    if (billionths === ONE_BILLION) {
        return 0;
    }
    if (billionths === 'NaN') {
        throw new errors_1.ValidationError(`Value is not a number`);
    }
    if (billionths.includes('.')) {
        throw new errors_1.ValidationError(`Decimal exceeds maximum precision.`);
    }
    return Number(billionths);
}
exports.decimalToTransferRate = decimalToTransferRate;
function percentToTransferRate(percent) {
    return decimalToTransferRate(percentToDecimal(percent));
}
exports.percentToTransferRate = percentToTransferRate;
function decimalToQuality(decimal) {
    const rate = new bignumber_js_1.default(decimal).times(ONE_BILLION);
    const billionths = rate.toString(BASE_TEN);
    if (billionths === 'NaN') {
        throw new errors_1.ValidationError(`Value is not a number`);
    }
    if (billionths.includes('-')) {
        throw new errors_1.ValidationError('Cannot have negative Quality');
    }
    if (billionths === ONE_BILLION) {
        return 0;
    }
    if (billionths.includes('.')) {
        throw new errors_1.ValidationError(`Decimal exceeds maximum precision.`);
    }
    return Number(billionths);
}
exports.decimalToQuality = decimalToQuality;
function qualityToDecimal(quality) {
    if (!Number.isInteger(quality)) {
        throw new errors_1.ValidationError('Quality must be an integer');
    }
    if (quality < 0) {
        throw new errors_1.ValidationError('Negative quality not allowed');
    }
    if (quality === 0) {
        return '1';
    }
    const decimal = new bignumber_js_1.default(quality).dividedBy(ONE_BILLION);
    return decimal.toString(BASE_TEN);
}
exports.qualityToDecimal = qualityToDecimal;
function transferRateToDecimal(rate) {
    if (!Number.isInteger(rate)) {
        throw new errors_1.ValidationError('Error decoding, transfer Rate must be an integer');
    }
    if (rate === 0) {
        return '0';
    }
    const decimal = new bignumber_js_1.default(rate).minus(ONE_BILLION).dividedBy(ONE_BILLION);
    if (decimal.isLessThan(0)) {
        throw new errors_1.ValidationError('Error decoding, negative transfer rate');
    }
    return decimal.toString(BASE_TEN);
}
exports.transferRateToDecimal = transferRateToDecimal;
function percentToQuality(percent) {
    return decimalToQuality(percentToDecimal(percent));
}
exports.percentToQuality = percentToQuality;
//# sourceMappingURL=quality.js.map

/***/ }),

/***/ 98030:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const ripple_binary_codec_1 = __webpack_require__(42353);
const ripple_keypairs_1 = __webpack_require__(29140);
const xrpConversion_1 = __webpack_require__(75122);
function signPaymentChannelClaim(channel, amount, privateKey) {
    const signingData = (0, ripple_binary_codec_1.encodeForSigningClaim)({
        channel,
        amount: (0, xrpConversion_1.xrpToDrops)(amount),
    });
    return (0, ripple_keypairs_1.sign)(signingData, privateKey);
}
exports["default"] = signPaymentChannelClaim;
//# sourceMappingURL=signPaymentChannelClaim.js.map

/***/ }),

/***/ 73333:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
/* provided dependency */ var Buffer = __webpack_require__(48764)["Buffer"];

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.convertStringToHex = exports.convertHexToString = void 0;
function convertStringToHex(string) {
    return Buffer.from(string, 'utf8').toString('hex').toUpperCase();
}
exports.convertStringToHex = convertStringToHex;
function convertHexToString(hex, encoding = 'utf8') {
    return Buffer.from(hex, 'hex').toString(encoding);
}
exports.convertHexToString = convertHexToString;
//# sourceMappingURL=stringConversion.js.map

/***/ }),

/***/ 48716:
/***/ ((__unused_webpack_module, exports) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.isoTimeToRippleTime = exports.rippleTimeToISOTime = exports.unixTimeToRippleTime = exports.rippleTimeToUnixTime = void 0;
const RIPPLE_EPOCH_DIFF = 0x386d4380;
function rippleTimeToUnixTime(rpepoch) {
    return (rpepoch + RIPPLE_EPOCH_DIFF) * 1000;
}
exports.rippleTimeToUnixTime = rippleTimeToUnixTime;
function unixTimeToRippleTime(timestamp) {
    return Math.round(timestamp / 1000) - RIPPLE_EPOCH_DIFF;
}
exports.unixTimeToRippleTime = unixTimeToRippleTime;
function rippleTimeToISOTime(rippleTime) {
    return new Date(rippleTimeToUnixTime(rippleTime)).toISOString();
}
exports.rippleTimeToISOTime = rippleTimeToISOTime;
function isoTimeToRippleTime(iso8601) {
    const isoDate = typeof iso8601 === 'string' ? new Date(iso8601) : iso8601;
    return unixTimeToRippleTime(isoDate.getTime());
}
exports.isoTimeToRippleTime = isoTimeToRippleTime;
//# sourceMappingURL=timeConversion.js.map

/***/ }),

/***/ 3663:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
const ripple_binary_codec_1 = __webpack_require__(42353);
const ripple_keypairs_1 = __webpack_require__(29140);
const xrpConversion_1 = __webpack_require__(75122);
function verifyPaymentChannelClaim(channel, amount, signature, publicKey) {
    const signingData = (0, ripple_binary_codec_1.encodeForSigningClaim)({
        channel,
        amount: (0, xrpConversion_1.xrpToDrops)(amount),
    });
    return (0, ripple_keypairs_1.verify)(signingData, signature, publicKey);
}
exports["default"] = verifyPaymentChannelClaim;
//# sourceMappingURL=verifyPaymentChannelClaim.js.map

/***/ }),

/***/ 75122:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.xrpToDrops = exports.dropsToXrp = void 0;
const bignumber_js_1 = __importDefault(__webpack_require__(44431));
const errors_1 = __webpack_require__(25615);
const DROPS_PER_XRP = 1000000.0;
const MAX_FRACTION_LENGTH = 6;
const BASE_TEN = 10;
const SANITY_CHECK = /^-?[0-9.]+$/u;
function dropsToXrp(dropsToConvert) {
    const drops = new bignumber_js_1.default(dropsToConvert).toString(BASE_TEN);
    if (typeof dropsToConvert === 'string' && drops === 'NaN') {
        throw new errors_1.ValidationError(`dropsToXrp: invalid value '${dropsToConvert}', should be a BigNumber or string-encoded number.`);
    }
    if (drops.includes('.')) {
        throw new errors_1.ValidationError(`dropsToXrp: value '${drops}' has too many decimal places.`);
    }
    if (!SANITY_CHECK.exec(drops)) {
        throw new errors_1.ValidationError(`dropsToXrp: failed sanity check -` +
            ` value '${drops}',` +
            ` does not match (^-?[0-9]+$).`);
    }
    return new bignumber_js_1.default(drops).dividedBy(DROPS_PER_XRP).toString(BASE_TEN);
}
exports.dropsToXrp = dropsToXrp;
function xrpToDrops(xrpToConvert) {
    const xrp = new bignumber_js_1.default(xrpToConvert).toString(BASE_TEN);
    if (typeof xrpToConvert === 'string' && xrp === 'NaN') {
        throw new errors_1.ValidationError(`xrpToDrops: invalid value '${xrpToConvert}', should be a BigNumber or string-encoded number.`);
    }
    if (!SANITY_CHECK.exec(xrp)) {
        throw new errors_1.ValidationError(`xrpToDrops: failed sanity check - value '${xrp}', does not match (^-?[0-9.]+$).`);
    }
    const components = xrp.split('.');
    if (components.length > 2) {
        throw new errors_1.ValidationError(`xrpToDrops: failed sanity check - value '${xrp}' has too many decimal points.`);
    }
    const fraction = components[1] || '0';
    if (fraction.length > MAX_FRACTION_LENGTH) {
        throw new errors_1.ValidationError(`xrpToDrops: value '${xrp}' has too many decimal places.`);
    }
    return new bignumber_js_1.default(xrp)
        .times(DROPS_PER_XRP)
        .integerValue(bignumber_js_1.default.ROUND_FLOOR)
        .toString(BASE_TEN);
}
exports.xrpToDrops = xrpToDrops;
//# sourceMappingURL=xrpConversion.js.map

/***/ }),

/***/ 47529:
/***/ ((module) => {

module.exports = extend

var hasOwnProperty = Object.prototype.hasOwnProperty;

function extend() {
    var target = {}

    for (var i = 0; i < arguments.length; i++) {
        var source = arguments[i]

        for (var key in source) {
            if (hasOwnProperty.call(source, key)) {
                target[key] = source[key]
            }
        }
    }

    return target
}


/***/ }),

/***/ 80950:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 46601:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 89214:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 8623:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 7748:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 85568:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 56619:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 77108:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 52361:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 94616:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 33370:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 26155:
/***/ (() => {

/* (ignored) */

/***/ }),

/***/ 63083:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var possibleNames = [
	'BigInt64Array',
	'BigUint64Array',
	'Float32Array',
	'Float64Array',
	'Int16Array',
	'Int32Array',
	'Int8Array',
	'Uint16Array',
	'Uint32Array',
	'Uint8Array',
	'Uint8ClampedArray'
];

var g = typeof globalThis === 'undefined' ? __webpack_require__.g : globalThis;

module.exports = function availableTypedArrays() {
	var out = [];
	for (var i = 0; i < possibleNames.length; i++) {
		if (typeof g[possibleNames[i]] === 'function') {
			out[out.length] = possibleNames[i];
		}
	}
	return out;
};


/***/ }),

/***/ 20882:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


var GetIntrinsic = __webpack_require__(40210);

var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);
if ($gOPD) {
	try {
		$gOPD([], 'length');
	} catch (e) {
		// IE 8 has a broken gOPD
		$gOPD = null;
	}
}

module.exports = $gOPD;


/***/ }),

/***/ 46996:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 4262:
/***/ ((module) => {

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/***/ }),

/***/ 40032:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 24573:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 11848:
/***/ ((module) => {

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/***/ }),

/***/ 72841:
/***/ ((module) => {

"use strict";
module.exports = JSON.parse('["abaco","abbaglio","abbinato","abete","abisso","abolire","abrasivo","abrogato","accadere","accenno","accusato","acetone","achille","acido","acqua","acre","acrilico","acrobata","acuto","adagio","addebito","addome","adeguato","aderire","adipe","adottare","adulare","affabile","affetto","affisso","affranto","aforisma","afoso","africano","agave","agente","agevole","aggancio","agire","agitare","agonismo","agricolo","agrumeto","aguzzo","alabarda","alato","albatro","alberato","albo","albume","alce","alcolico","alettone","alfa","algebra","aliante","alibi","alimento","allagato","allegro","allievo","allodola","allusivo","almeno","alogeno","alpaca","alpestre","altalena","alterno","alticcio","altrove","alunno","alveolo","alzare","amalgama","amanita","amarena","ambito","ambrato","ameba","america","ametista","amico","ammasso","ammenda","ammirare","ammonito","amore","ampio","ampliare","amuleto","anacardo","anagrafe","analista","anarchia","anatra","anca","ancella","ancora","andare","andrea","anello","angelo","angolare","angusto","anima","annegare","annidato","anno","annuncio","anonimo","anticipo","anzi","apatico","apertura","apode","apparire","appetito","appoggio","approdo","appunto","aprile","arabica","arachide","aragosta","araldica","arancio","aratura","arazzo","arbitro","archivio","ardito","arenile","argento","argine","arguto","aria","armonia","arnese","arredato","arringa","arrosto","arsenico","arso","artefice","arzillo","asciutto","ascolto","asepsi","asettico","asfalto","asino","asola","aspirato","aspro","assaggio","asse","assoluto","assurdo","asta","astenuto","astice","astratto","atavico","ateismo","atomico","atono","attesa","attivare","attorno","attrito","attuale","ausilio","austria","autista","autonomo","autunno","avanzato","avere","avvenire","avviso","avvolgere","azione","azoto","azzimo","azzurro","babele","baccano","bacino","baco","badessa","badilata","bagnato","baita","balcone","baldo","balena","ballata","balzano","bambino","bandire","baraonda","barbaro","barca","baritono","barlume","barocco","basilico","basso","batosta","battuto","baule","bava","bavosa","becco","beffa","belgio","belva","benda","benevole","benigno","benzina","bere","berlina","beta","bibita","bici","bidone","bifido","biga","bilancia","bimbo","binocolo","biologo","bipede","bipolare","birbante","birra","biscotto","bisesto","bisnonno","bisonte","bisturi","bizzarro","blando","blatta","bollito","bonifico","bordo","bosco","botanico","bottino","bozzolo","braccio","bradipo","brama","branca","bravura","bretella","brevetto","brezza","briglia","brillante","brindare","broccolo","brodo","bronzina","brullo","bruno","bubbone","buca","budino","buffone","buio","bulbo","buono","burlone","burrasca","bussola","busta","cadetto","caduco","calamaro","calcolo","calesse","calibro","calmo","caloria","cambusa","camerata","camicia","cammino","camola","campale","canapa","candela","cane","canino","canotto","cantina","capace","capello","capitolo","capogiro","cappero","capra","capsula","carapace","carcassa","cardo","carisma","carovana","carretto","cartolina","casaccio","cascata","caserma","caso","cassone","castello","casuale","catasta","catena","catrame","cauto","cavillo","cedibile","cedrata","cefalo","celebre","cellulare","cena","cenone","centesimo","ceramica","cercare","certo","cerume","cervello","cesoia","cespo","ceto","chela","chiaro","chicca","chiedere","chimera","china","chirurgo","chitarra","ciao","ciclismo","cifrare","cigno","cilindro","ciottolo","circa","cirrosi","citrico","cittadino","ciuffo","civetta","civile","classico","clinica","cloro","cocco","codardo","codice","coerente","cognome","collare","colmato","colore","colposo","coltivato","colza","coma","cometa","commando","comodo","computer","comune","conciso","condurre","conferma","congelare","coniuge","connesso","conoscere","consumo","continuo","convegno","coperto","copione","coppia","copricapo","corazza","cordata","coricato","cornice","corolla","corpo","corredo","corsia","cortese","cosmico","costante","cottura","covato","cratere","cravatta","creato","credere","cremoso","crescita","creta","criceto","crinale","crisi","critico","croce","cronaca","crostata","cruciale","crusca","cucire","cuculo","cugino","cullato","cupola","curatore","cursore","curvo","cuscino","custode","dado","daino","dalmata","damerino","daniela","dannoso","danzare","datato","davanti","davvero","debutto","decennio","deciso","declino","decollo","decreto","dedicato","definito","deforme","degno","delegare","delfino","delirio","delta","demenza","denotato","dentro","deposito","derapata","derivare","deroga","descritto","deserto","desiderio","desumere","detersivo","devoto","diametro","dicembre","diedro","difeso","diffuso","digerire","digitale","diluvio","dinamico","dinnanzi","dipinto","diploma","dipolo","diradare","dire","dirotto","dirupo","disagio","discreto","disfare","disgelo","disposto","distanza","disumano","dito","divano","divelto","dividere","divorato","doblone","docente","doganale","dogma","dolce","domato","domenica","dominare","dondolo","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/***/ }),

/***/ 94472:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 8013:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 71945:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ }),

/***/ 80659:
/***/ ((module) => {

"use strict";
module.exports = 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/***/ 44946:
/***/ ((module) => {

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/***/ 75207:
/***/ ((module) => {

"use strict";
module.exports = JSON.parse('{"sha224WithRSAEncryption":{"sign":"rsa","hash":"sha224","id":"302d300d06096086480165030402040500041c"},"RSA-SHA224":{"sign":"ecdsa/rsa","hash":"sha224","id":"302d300d06096086480165030402040500041c"},"sha256WithRSAEncryption":{"sign":"rsa","hash":"sha256","id":"3031300d060960864801650304020105000420"},"RSA-SHA256":{"sign":"ecdsa/rsa","hash":"sha256","id":"3031300d060960864801650304020105000420"},"sha384WithRSAEncryption":{"sign":"rsa","hash":"sha384","id":"3041300d060960864801650304020205000430"},"RSA-SHA384":{"sign":"ecdsa/rsa","hash":"sha384","id":"3041300d060960864801650304020205000430"},"sha512WithRSAEncryption":{"sign":"rsa","hash":"sha512","id":"3051300d060960864801650304020305000440"},"RSA-SHA512":{"sign":"ecdsa/rsa","hash":"sha512","id":"3051300d060960864801650304020305000440"},"RSA-SHA1":{"sign":"rsa","hash":"sha1","id":"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{"sign":"ecdsa","hash":"sha1","id":""},"sha256":{"sign":"ecdsa","hash":"sha256","id":""},"sha224":{"sign":"ecdsa","hash":"sha224","id":""},"sha384":{"sign":"ecdsa","hash":"sha384","id":""},"sha512":{"sign":"ecdsa","hash":"sha512","id":""},"DSA-SHA":{"sign":"dsa","hash":"sha1","id":""},"DSA-SHA1":{"sign":"dsa","hash":"sha1","id":""},"DSA":{"sign":"dsa","hash":"sha1","id":""},"DSA-WITH-SHA224":{"sign":"dsa","hash":"sha224","id":""},"DSA-SHA224":{"sign":"dsa","hash":"sha224","id":""},"DSA-WITH-SHA256":{"sign":"dsa","hash":"sha256","id":""},"DSA-SHA256":{"sign":"dsa","hash":"sha256","id":""},"DSA-WITH-SHA384":{"sign":"dsa","hash":"sha384","id":""},"DSA-SHA384":{"sign":"dsa","hash":"sha384","id":""},"DSA-WITH-SHA512":{"sign":"dsa","hash":"sha512","id":""},"DSA-SHA512":{"sign":"dsa","hash":"sha512","id":""},"DSA-RIPEMD160":{"sign":"dsa","hash":"rmd160","id":""},"ripemd160WithRSA":{"sign":"rsa","hash":"rmd160","id":"3021300906052b2403020105000414"},"RSA-RIPEMD160":{"sign":"rsa","hash":"rmd160","id":"3021300906052b2403020105000414"},"md5WithRSAEncryption":{"sign":"rsa","hash":"md5","id":"3020300c06082a864886f70d020505000410"},"RSA-MD5":{"sign":"rsa","hash":"md5","id":"3020300c06082a864886f70d020505000410"}}');

/***/ }),

/***/ 1308:
/***/ ((module) => {

"use strict";
module.exports = JSON.parse('{"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}');

/***/ }),

/***/ 29799:
/***/ ((module) => {

"use strict";
module.exports = JSON.parse('{"modp1":{"gen":"02","prime":"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},"modp2":{"gen":"02","prime":"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},"modp5":{"gen":"02","prime":"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},"modp14":{"gen":"02","prime":"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"},"modp15":{"gen":"02","prime":"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"},"modp16":{"gen":"02","prime":"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"},"modp17":{"gen":"02","prime":"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"},"modp18":{"gen":"02","prime":"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088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/***/ }),

/***/ 18597:
/***/ ((module) => {

"use strict";
module.exports = {"i8":"6.5.4"};

/***/ }),

/***/ 22562:
/***/ ((module) => {

"use strict";
module.exports = JSON.parse('{"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}');

/***/ }),

/***/ 38652:
/***/ ((module) => {

"use strict";
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/***/ 64171:
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