"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(require("assert")); const buffer_1 = require("buffer/"); /** * 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