thor-devkit
Version:
Typescript library to aid DApp development on VeChain Thor
96 lines • 7.77 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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HDNode = void 0;
const basex_1 = require("@vechain/ethers/utils/basex");
const HD = __importStar(require("@vechain/ethers/utils/hdnode"));
const crypto_1 = require("crypto");
const elliptic_1 = require("elliptic");
const address_1 = require("./address");
const buffer_1 = require("buffer");
// see https://github.com/satoshilabs/slips/blob/master/slip-0044.md
const VET_DERIVATION_PATH = `m/44'/818'/0'/0`;
const xpubPrefix = buffer_1.Buffer.from('0488b21e000000000000000000', 'hex');
const xprivPrefix = buffer_1.Buffer.from('0488ade4000000000000000000', 'hex');
const curve = new elliptic_1.ec('secp256k1');
var HDNode;
(function (HDNode) {
/** create node from mnemonic words */
function fromMnemonic(words, path = VET_DERIVATION_PATH) {
// normalize words to lowercase
const joinedWords = words.join(' ').toLowerCase();
const node = HD.fromMnemonic(joinedWords).derivePath(path);
return createHDNode(node);
}
HDNode.fromMnemonic = fromMnemonic;
/**
* create node from xpub
* @param pub public key
* @param chainCode chain code
*/
function fromPublicKey(pub, chainCode) {
const compressed = curve.keyFromPublic(pub).getPublic(true, 'array');
const key = buffer_1.Buffer.concat([xpubPrefix, chainCode, buffer_1.Buffer.from(compressed)]);
const checksum = sha256(sha256(key)).slice(0, 4);
const node = HD.fromExtendedKey(basex_1.Base58.encode(buffer_1.Buffer.concat([key, checksum])));
return createHDNode(node);
}
HDNode.fromPublicKey = fromPublicKey;
/**
* create node from xpriv
* @param priv private key
* @param chainCode chain code
*/
function fromPrivateKey(priv, chainCode) {
const key = buffer_1.Buffer.concat([xprivPrefix, chainCode, buffer_1.Buffer.from([0]), priv]);
const checksum = sha256(sha256(key)).slice(0, 4);
const node = HD.fromExtendedKey(basex_1.Base58.encode(buffer_1.Buffer.concat([key, checksum])));
return createHDNode(node);
}
HDNode.fromPrivateKey = fromPrivateKey;
function createHDNode(ethersNode) {
const pub = buffer_1.Buffer.from(curve.keyFromPublic(ethersNode.publicKey.slice(2), 'hex').getPublic(false, 'array'));
const priv = ethersNode.privateKey ? buffer_1.Buffer.from(ethersNode.privateKey.slice(2), 'hex') : null;
const cc = buffer_1.Buffer.from(ethersNode.chainCode.slice(2), 'hex');
const addr = address_1.address.fromPublicKey(pub);
return {
get publicKey() {
return pub;
},
get privateKey() {
return priv;
},
get chainCode() {
return cc;
},
get address() {
return addr;
},
derive(index) {
return createHDNode(ethersNode.derivePath('' + index));
}
};
}
function sha256(data) {
return crypto_1.createHash('sha256').update(data).digest();
}
})(HDNode = exports.HDNode || (exports.HDNode = {}));
//# sourceMappingURL=data:application/json;base64,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