evm-blockchain-tools
Version:
This is a collection of resuseable tools to support development for EVM-powered blockchains
152 lines • 7.36 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);
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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;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CryptoWalletRegistry = void 0;
const crypto = __importStar(require("crypto"));
const aes_encryption_1 = require("../utils/aes-encryption");
const utils_1 = require("../utils");
const interfaces_1 = require("../common/interfaces");
class CryptoWalletRegistry {
constructor(config, storageEngine) {
this.config = config;
this.storageEngine = storageEngine;
}
initMasterWallet() {
return __awaiter(this, void 0, void 0, function* () {
const existingMasterWallet = yield this.getMasterWallet();
if (existingMasterWallet) {
throw new Error("master wallet already exists");
}
const newWallet = yield this.createBlockchainWallet();
yield this.storageEngine.bulkCreate([
Object.assign(Object.assign({}, newWallet), { name: "master_wallet", type: interfaces_1.WALLET_TYPE.MASTER }),
]);
return this.getMasterWallet();
});
}
getWalletById(id, adminPin, userPin) {
return __awaiter(this, void 0, void 0, function* () {
const foundWallet = yield this.storageEngine.getOne({
id,
});
if (!foundWallet) {
throw new Error(`wallet with id ${id} not found`);
}
const privateKey = yield this.recoverWalletPrivateKey(foundWallet, adminPin, userPin);
return Object.assign(Object.assign({}, this.walletToDTO(foundWallet)), { privateKey });
});
}
getWalletsByFilter(filter, adminPin, userPin) {
return __awaiter(this, void 0, void 0, function* () {
const foundWallets = yield this.storageEngine.getMany(filter);
if (!foundWallets.length) {
return [];
}
const recoverredWallets = yield Promise.all(foundWallets.map((wallet) => __awaiter(this, void 0, void 0, function* () {
const privateKey = yield this.recoverWalletPrivateKey(wallet, adminPin, userPin);
return Object.assign(Object.assign({}, this.walletToDTO(wallet)), { privateKey });
})));
return recoverredWallets;
});
}
walletToDTO(wallet) {
return {
address: wallet.address,
id: wallet.id,
name: wallet.name,
type: wallet.type,
};
}
recoverWalletPrivateKey(wallet, adminPin, userPin) {
return __awaiter(this, void 0, void 0, function* () {
const { privateKey: secret, defaultUserPin } = this.config;
const { serverSecretPart, userSecretPart, nonce } = wallet;
const decodedServerSecret = (0, aes_encryption_1.decrypt)(serverSecretPart, `${secret}_${(0, aes_encryption_1.encrypt)(adminPin, secret)}`);
const decodedUserSecret = (0, aes_encryption_1.decrypt)(userSecretPart, `${secret}_${(0, aes_encryption_1.encrypt)(userPin || defaultUserPin, secret)}`);
const originalPrivateKey = yield (0, utils_1.recoverPrivateKey)({
nonce,
serverSecret: decodedServerSecret,
userSecret: decodedUserSecret,
});
return originalPrivateKey;
});
}
createWallets(data, type) {
return __awaiter(this, void 0, void 0, function* () {
const payload = yield Promise.all(data.map((i) => __awaiter(this, void 0, void 0, function* () {
const { address, serverSecretPart, userSecretPart, nonce } = yield this.createBlockchainWallet(i.pin);
return {
name: i.name,
nonce,
tags: i.tags,
address,
type,
serverSecretPart,
userSecretPart,
};
})));
const createdWallets = yield this.storageEngine.bulkCreate(payload);
return createdWallets.map(this.walletToDTO);
});
}
createBlockchainWallet(userPin) {
return __awaiter(this, void 0, void 0, function* () {
const { privateKey: secret, adminPin, defaultUserPin } = this.config;
const { privateKey, publicKey } = yield (0, utils_1.generateKeyPair)();
const nonce = crypto.randomBytes(24);
const [userSecret, serverSecret] = (0, utils_1.splitPrivateKeyToParts)(privateKey, nonce);
const signedUserSecret = (0, aes_encryption_1.encrypt)(userSecret, `${secret}_${(0, aes_encryption_1.encrypt)(userPin || defaultUserPin, secret)}`);
const signedServerSecret = (0, aes_encryption_1.encrypt)(serverSecret, `${secret}_${(0, aes_encryption_1.encrypt)(adminPin, secret)}`);
return {
address: publicKey,
nonce: nonce.toString("hex"),
serverSecretPart: signedServerSecret,
userSecretPart: signedUserSecret,
};
});
}
getMasterWallet() {
return __awaiter(this, void 0, void 0, function* () {
const masterWallet = yield this.storageEngine.getOne({
type: interfaces_1.WALLET_TYPE.MASTER,
});
return this.walletToDTO(masterWallet);
});
}
paginateSlaveWallets(filters, limit = 2000, offset = 0) {
return this.storageEngine.paginate(Object.assign(Object.assign({}, filters), { type: interfaces_1.WALLET_TYPE.SLAVE }), limit, offset);
}
}
exports.CryptoWalletRegistry = CryptoWalletRegistry;
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