@brtnetwork/brt-binary-codec
Version:
BRT Ledger binary codec
113 lines • 4.72 kB
JavaScript
;
/* 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;
var types_1 = require("./types");
var binary_parser_1 = require("./serdes/binary-parser");
Object.defineProperty(exports, "BinaryParser", { enumerable: true, get: function () { return binary_parser_1.BinaryParser; } });
var hash_prefixes_1 = require("./hash-prefixes");
var binary_serializer_1 = require("./serdes/binary-serializer");
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; } });
var hashes_1 = require("./hashes");
Object.defineProperty(exports, "sha512Half", { enumerable: true, get: function () { return hashes_1.sha512Half; } });
Object.defineProperty(exports, "transactionID", { enumerable: true, get: function () { return hashes_1.transactionID; } });
var bigInt = require("big-integer");
/**
* Construct a BinaryParser
*
* @param bytes hex-string to construct BinaryParser from
* @returns A BinaryParser
*/
var makeParser = function (bytes) { return 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
*/
var readJSON = function (parser) {
return 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
*/
var binaryToJSON = function (bytes) { return 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) {
if (opts === void 0) { opts = {}; }
var prefix = opts.prefix, suffix = opts.suffix, _a = opts.signingFieldsOnly, signingFieldsOnly = _a === void 0 ? false : _a;
var bytesList = new binary_serializer_1.BytesList();
if (prefix) {
bytesList.put(prefix);
}
var filter = signingFieldsOnly
? function (f) { return 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) {
if (prefix === void 0) { prefix = hash_prefixes_1.HashPrefix.transactionSig; }
return serializeObject(transaction, { prefix: 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) {
var num = bigInt(String(claim.amount));
var prefix = hash_prefixes_1.HashPrefix.paymentChannelClaim;
var channel = types_1.coreTypes.Hash256.from(claim.channel).toBytes();
var amount = types_1.coreTypes.UInt64.from(num).toBytes();
var 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) {
var prefix = hash_prefixes_1.HashPrefix.transactionMultiSig;
var suffix = types_1.coreTypes.AccountID.from(signingAccount).toBytes();
return serializeObject(transaction, {
prefix: prefix,
suffix: suffix,
signingFieldsOnly: true,
});
}
exports.multiSigningData = multiSigningData;
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