@activeledger/sdk-bip39
Version:
NodeJS package for use when integrating with Activeledger with BIP39 Support
128 lines (127 loc) • 5 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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 (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.KeyHandler = void 0;
var sdk_1 = require("@activeledger/sdk");
var bip39_1 = require("bip39");
var crypto = __importStar(require("crypto"));
/**
* Extends SDK KeyHandler for compatibility and adds BIP39 features
*
* @export
* @class KeyHandler
* @extends {KH}
*/
var KeyHandler = /** @class */ (function (_super) {
__extends(KeyHandler, _super);
function KeyHandler() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* Generate new Key Pair with BIP39 wordlist
*
* @param {string} keyName
* @param {boolean} [compressed]
* @returns {Promise<IKeyExtended>}
* @memberof KeyHandler
*/
KeyHandler.prototype.generateBIP39Key = function (keyName, compressed) {
return new Promise(function (resolve, reject) {
try {
var phrase = (0, bip39_1.generateMnemonic)();
var curve = crypto.createECDH("secp256k1");
curve.setPrivateKey(crypto.createHash("sha256").update(phrase, "utf8").digest());
var keyHolder = {
key: {
pub: {
pkcs8pem: "0x" + (compressed ? curve.getPublicKey("hex", "compressed") : curve.getPublicKey("hex", "uncompressed")),
},
prv: {
pkcs8pem: "0x" + curve.getPrivateKey().toString("hex"),
},
},
name: keyName,
type: sdk_1.KeyType.EllipticCurve,
phrase: phrase,
};
return resolve(keyHolder);
}
catch (error) {
return reject(error);
}
});
};
/**
* Generate Key Pair from BIP39 wordlist
*
* @param {string} keyName
* @param {string} phrase
* @param {boolean} [compressed]
* @returns {Promise<IKeyExtended>}
* @memberof KeyHandler
*/
KeyHandler.prototype.restoreBIP39Key = function (keyName, phrase, compressed) {
return new Promise(function (resolve, reject) {
try {
var curve = crypto.createECDH("secp256k1");
curve.setPrivateKey(crypto.createHash("sha256").update(phrase, "utf8").digest());
var keyHolder = {
key: {
pub: {
pkcs8pem: "0x" + (compressed ? curve.getPublicKey("hex", "compressed") : curve.getPublicKey("hex", "uncompressed")),
},
prv: {
pkcs8pem: "0x" + curve.getPrivateKey().toString("hex"),
},
},
name: keyName,
type: sdk_1.KeyType.EllipticCurve,
phrase: phrase,
};
return resolve(keyHolder);
}
catch (error) {
return reject(error);
}
});
};
return KeyHandler;
}(sdk_1.KeyHandler));
exports.KeyHandler = KeyHandler;