{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "balance",
  "description": "Balance amount",
  "link": "amount",
  "type": "object",
  "properties": {
    "value": {
      "description": "The balance on the trustline",
      "$ref": "signedValue"
    },
    "currency": {
      "description": "The three-character code or hexadecimal string used to denote currencies",
      "$ref": "currency"
    },
    "counterparty": {
      "description": "The XRP Ledger address of the account that owes or is owed the funds.",
      "$ref": "address"
    }
  },
  "additionalProperties": false,
  "required": ["currency", "value"],
  "oneOf": [
    {
      "properties": {
        "currency": {
          "not": {
            "enum": ["XRP"]
          }
        }
      },
      "required": ["counterparty"]
    },
    {
      "properties": {
        "currency": {
          "enum": ["XRP"]
        }
      },
      "not": {
        "required": ["counterparty"]
      }
    }
  ]
}