ethers.js/packages/experimental/brain-wallet.js

79 lines
3.3 KiB
JavaScript

"use strict";
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 (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var ethers_1 = require("ethers");
var scrypt_js_1 = __importDefault(require("scrypt-js"));
var _version_1 = require("./_version");
var logger = new ethers_1.ethers.utils.Logger(_version_1.version);
var warned = false;
var BrainWallet = /** @class */ (function (_super) {
__extends(BrainWallet, _super);
function BrainWallet() {
return _super !== null && _super.apply(this, arguments) || this;
}
BrainWallet._generate = function (username, password, legacy, progressCallback) {
if (!warned) {
logger.warn("Warning: using Brain Wallets should be considered insecure (this warning will not be repeated)");
warned = true;
}
var usernameBytes = null;
var passwordBytes = null;
if (typeof (username) === 'string') {
logger.checkNormalize();
usernameBytes = ethers_1.ethers.utils.toUtf8Bytes(username.normalize('NFKC'));
}
else {
usernameBytes = ethers_1.ethers.utils.arrayify(username);
}
if (typeof (password) === 'string') {
logger.checkNormalize();
passwordBytes = ethers_1.ethers.utils.toUtf8Bytes(password.normalize('NFKC'));
}
else {
passwordBytes = ethers_1.ethers.utils.arrayify(password);
}
return new Promise(function (resolve, reject) {
scrypt_js_1.default(passwordBytes, usernameBytes, (1 << 18), 8, 1, 32, function (error, progress, key) {
if (error) {
reject(error);
}
else if (key) {
if (legacy) {
resolve(new BrainWallet(key));
}
else {
var mnemonic = ethers_1.ethers.utils.entropyToMnemonic(ethers_1.ethers.utils.arrayify(key).slice(0, 16));
resolve(new BrainWallet(ethers_1.ethers.Wallet.fromMnemonic(mnemonic)));
}
}
else if (progressCallback) {
return progressCallback(progress);
}
});
});
};
BrainWallet.generate = function (username, password, progressCallback) {
return BrainWallet._generate(username, password, false, progressCallback);
};
BrainWallet.generateLegacy = function (username, password, progressCallback) {
return BrainWallet._generate(username, password, true, progressCallback);
};
return BrainWallet;
}(ethers_1.ethers.Wallet));
exports.BrainWallet = BrainWallet;