crypto-wallet-core
Version:
A multi-currency support library for address derivation, private key creation, and transaction creation
129 lines • 4.99 kB
JavaScript
;
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 () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.XRPTxProvider = void 0;
const crypto_1 = require("crypto");
const xrpl = __importStar(require("xrpl"));
var HashPrefix;
(function (HashPrefix) {
HashPrefix[HashPrefix["livenet"] = 1415073280] = "livenet";
HashPrefix[HashPrefix["mainnet"] = 1415073280] = "mainnet";
HashPrefix[HashPrefix["testnet"] = 1937012736] = "testnet";
})(HashPrefix || (HashPrefix = {}));
class XRPTxProvider {
create(params) {
const { recipients, tag, from, invoiceID, fee, nonce, type, flags } = params;
switch (type?.toLowerCase()) {
case 'payment':
default:
const { address, amount } = recipients[0];
const _tag = recipients[0]?.tag || tag;
const paymentTx = {
TransactionType: 'Payment',
Account: from,
Destination: address,
Amount: amount.toString(),
Fee: fee.toString(),
Sequence: nonce,
Flags: 2147483648
};
if (flags != null) {
paymentTx.Flags = flags;
}
if (invoiceID) {
paymentTx.InvoiceID = invoiceID;
}
if (_tag) {
paymentTx.DestinationTag = _tag;
}
return xrpl.encode(paymentTx);
case 'accountset':
if (!xrpl.AccountSetTfFlags[flags]) {
throw new Error('Invalid tfAccountSet flag');
}
const accountSetTx = {
TransactionType: 'AccountSet',
Account: from,
Flags: (isNaN(flags) ? xrpl.AccountSetTfFlags[flags] : flags),
Fee: fee.toString(),
Sequence: nonce
};
return xrpl.encode(accountSetTx);
case 'accountdelete':
const accountDeleteTx = {
TransactionType: 'AccountDelete',
Account: from,
Destination: recipients[0].address,
DestinationTag: recipients[0].tag,
Fee: fee.toString(),
Sequence: nonce
};
return xrpl.encode(accountDeleteTx);
}
}
getSignatureObject(params) {
const { tx, key } = params;
const txJSON = xrpl.decode(tx);
const signedTx = new xrpl.Wallet(key.pubKey.toUpperCase(), key.privKey.toUpperCase()).sign(txJSON);
return { signedTransaction: signedTx.tx_blob, hash: signedTx.hash };
}
getSignature(params) {
const { signedTransaction } = this.getSignatureObject(params);
return signedTransaction;
}
getHash(params) {
const { tx, network = 'mainnet' } = params;
const prefix = HashPrefix[network].toString(16).toUpperCase();
return this.sha512Half(prefix + tx);
}
applySignature(params) {
const { signature } = params;
return signature;
}
sign(params) {
const { tx, key } = params;
const signature = this.getSignature({ tx, key });
return this.applySignature({ tx, signature });
}
sha512Half(hex) {
return (0, crypto_1.createHash)('sha512')
.update(Buffer.from(hex, 'hex'))
.digest('hex')
.toUpperCase()
.slice(0, 64);
}
}
exports.XRPTxProvider = XRPTxProvider;
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