crypto-wallet-core
Version:
A multi-currency support library for address derivation, private key creation, and transaction creation
91 lines • 3.75 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.SolDeriver = void 0;
const bitcore_lib_1 = require("bitcore-lib");
const ed25519 = __importStar(require("ed25519-hd-key"));
const paths_1 = require("../paths");
class SolDeriver {
deriveAddress(_network, _xpubkey, _addressIndex, _isChange) {
if (true) {
throw new Error('Cannot derive Solana addresses from just xpubkey, need to use derivePrivateKeyWithPath');
}
return '';
}
deriveAddressWithPath(_network, _xpubKey, _path) {
if (true) {
throw new Error('Cannot derive Solana addresses from just xpubkey, need to use derivePrivateKeyWithPath');
}
return '';
}
getAddress(_network, pubKey) {
return this.addressFromPublicKeyBuffer(Buffer.from(pubKey, 'hex'));
}
addressFromPublicKeyBuffer(pubKey) {
if (pubKey.length > 32) {
pubKey = pubKey.subarray(pubKey.length - 32);
}
return bitcore_lib_1.encoding.Base58.encode(pubKey);
}
derivePrivateKey(network, xPriv, addressIndex, isChange, addressType) {
const changeNum = isChange ? 1 : 0;
const path = `${paths_1.Paths['SOL'].default}${addressIndex}'/${changeNum}'`;
return this.derivePrivateKeyWithPath(network, xPriv, path, addressType);
}
;
deriveChild(masterKey, path) {
const HARDENED_OFFSET = 0x80000000;
const segmented = path
.split('/')
.slice(1)
.map((val) => val.replace("'", ''))
.map(el => parseInt(el, 10));
return segmented.reduce((parentKeys, segment) => ed25519.CKDPriv(parentKeys, segment + HARDENED_OFFSET), masterKey);
}
derivePrivateKeyWithPath(network, xprivKey, path, addressType) {
const xpriv = new bitcore_lib_1.HDPrivateKey(xprivKey, network);
const child = this.deriveChild({ key: xpriv._buffers.privateKey, chainCode: xpriv._buffers.chainCode }, path);
const pubKey = ed25519.getPublicKey(child.key, false);
const address = bitcore_lib_1.encoding.Base58.encode(pubKey);
return {
address,
privKey: bitcore_lib_1.encoding.Base58.encode(child.key),
pubKey: Buffer.from(pubKey).toString('hex')
};
}
;
}
exports.SolDeriver = SolDeriver;
//# sourceMappingURL=index.js.map