ripple-lib
Version:
Deprecated - consider migrating to xrpl.js: https://xrpl.org/xrpljs2-migration-guide.html
173 lines • 6.73 kB
JavaScript
;
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.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 });
const lodash_1 = __importDefault(require("lodash"));
const utils = __importStar(require("./utils"));
const ripple_keypairs_1 = __importDefault(require("ripple-keypairs"));
const ripple_binary_codec_1 = __importDefault(require("ripple-binary-codec"));
const hashes_1 = require("../common/hashes");
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const common_1 = require("../common");
const validate = utils.common.validate;
function computeSignature(tx, privateKey, signAs) {
const signingData = signAs
? ripple_binary_codec_1.default.encodeForMultisigning(tx, signAs)
: ripple_binary_codec_1.default.encodeForSigning(tx);
return ripple_keypairs_1.default.sign(signingData, privateKey);
}
function signWithKeypair(api, txJSON, keypair, options = {
signAs: ''
}) {
validate.sign({ txJSON, keypair });
const tx = JSON.parse(txJSON);
if (tx.TxnSignature || tx.Signers) {
throw new utils.common.errors.ValidationError('txJSON must not contain "TxnSignature" or "Signers" properties');
}
checkFee(api, tx.Fee);
const txToSignAndEncode = Object.assign({}, tx);
txToSignAndEncode.SigningPubKey = options.signAs ? '' : keypair.publicKey;
if (options.signAs) {
const signer = {
Account: options.signAs,
SigningPubKey: keypair.publicKey,
TxnSignature: computeSignature(txToSignAndEncode, keypair.privateKey, options.signAs)
};
txToSignAndEncode.Signers = [{ Signer: signer }];
}
else {
txToSignAndEncode.TxnSignature = computeSignature(txToSignAndEncode, keypair.privateKey);
}
const serialized = ripple_binary_codec_1.default.encode(txToSignAndEncode);
checkTxSerialization(serialized, tx);
return {
signedTransaction: serialized,
id: hashes_1.computeBinaryTransactionHash(serialized)
};
}
function objectDiff(a, b) {
const diffs = {};
const compare = function (i1, i2, k) {
const type1 = Object.prototype.toString.call(i1);
const type2 = Object.prototype.toString.call(i2);
if (type2 === '[object Undefined]') {
diffs[k] = null;
return;
}
if (type1 !== type2) {
diffs[k] = i2;
return;
}
if (type1 === '[object Object]') {
const objDiff = objectDiff(i1, i2);
if (Object.keys(objDiff).length > 0) {
diffs[k] = objDiff;
}
return;
}
if (type1 === '[object Array]') {
if (!lodash_1.default.isEqual(i1, i2)) {
diffs[k] = i2;
}
return;
}
if (type1 === '[object Function]') {
if (i1.toString() !== i2.toString()) {
diffs[k] = i2;
}
return;
}
if (i1 !== i2) {
diffs[k] = i2;
}
};
for (const key in a) {
if (a.hasOwnProperty(key)) {
compare(a[key], b[key], key);
}
}
for (const key in b) {
if (b.hasOwnProperty(key)) {
if (!a[key] && a[key] !== b[key]) {
diffs[key] = b[key];
}
}
}
return diffs;
}
function checkTxSerialization(serialized, tx) {
var _a;
const decoded = ripple_binary_codec_1.default.decode(serialized);
if (!decoded.TxnSignature && !decoded.Signers) {
throw new utils.common.errors.ValidationError('Serialized transaction must have a TxnSignature or Signers property');
}
delete decoded.TxnSignature;
delete decoded.Signers;
if (!tx.SigningPubKey) {
delete decoded.SigningPubKey;
}
(_a = tx.Memos) === null || _a === void 0 ? void 0 : _a.map(memo => {
var _a, _b, _c;
if ((_a = memo === null || memo === void 0 ? void 0 : memo.Memo) === null || _a === void 0 ? void 0 : _a.MemoData) {
memo.Memo.MemoData = memo.Memo.MemoData.toUpperCase();
}
if ((_b = memo === null || memo === void 0 ? void 0 : memo.Memo) === null || _b === void 0 ? void 0 : _b.MemoType) {
memo.Memo.MemoType = memo.Memo.MemoType.toUpperCase();
}
if ((_c = memo === null || memo === void 0 ? void 0 : memo.Memo) === null || _c === void 0 ? void 0 : _c.MemoFormat) {
memo.Memo.MemoFormat = memo.Memo.MemoFormat.toUpperCase();
}
return memo;
});
if (!lodash_1.default.isEqual(decoded, tx)) {
const error = new utils.common.errors.ValidationError('Serialized transaction does not match original txJSON. See `error.data`');
error.data = {
decoded,
tx,
diff: objectDiff(tx, decoded)
};
throw error;
}
}
function checkFee(api, txFee) {
const fee = new bignumber_js_1.default(txFee);
const maxFeeDrops = common_1.xrpToDrops(api._maxFeeXRP);
if (fee.isGreaterThan(maxFeeDrops)) {
throw new utils.common.errors.ValidationError(`"Fee" should not exceed "${maxFeeDrops}". ` +
'To use a higher fee, set `maxFeeXRP` in the RippleAPI constructor.');
}
}
function sign(txJSON, secret, options, keypair) {
if (typeof secret === 'string') {
validate.sign({ txJSON, secret });
return signWithKeypair(this, txJSON, ripple_keypairs_1.default.deriveKeypair(secret), options);
}
else {
if (!keypair && !secret) {
throw new utils.common.errors.ValidationError('sign: Missing secret or keypair.');
}
return signWithKeypair(this, txJSON, keypair ? keypair : secret, options);
}
}
exports.default = sign;
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