ledger-web3-subprovider
Version:
Ledger Web3 Subprovider used on OtoCo.io
51 lines (50 loc) • 2.52 kB
JavaScript
;
// Based on source from:
// https://github.com/web3modal/ledger-provider
// Package update and code upgrade by: Filipe Soccol
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());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const web3_provider_engine_1 = __importDefault(require("web3-provider-engine"));
// @ts-ignore
const cache_js_1 = __importDefault(require("web3-provider-engine/subproviders/cache.js"));
// @ts-ignore
const rpc_js_1 = __importDefault(require("web3-provider-engine/subproviders/rpc.js"));
const ledgerSubprovider_1 = require("./ledgerSubprovider");
const hw_transport_webusb_1 = __importDefault(require("@ledgerhq/hw-transport-webusb"));
const hw_app_eth_1 = __importDefault(require("@ledgerhq/hw-app-eth"));
function ledgerEthereumBrowserClientFactoryAsync() {
return __awaiter(this, void 0, void 0, function* () {
const ledgerConnection = yield hw_transport_webusb_1.default.create();
const ledgerEthClient = new hw_app_eth_1.default(ledgerConnection);
// @ts-ignore
return ledgerEthClient;
});
}
class LedgerProvider extends web3_provider_engine_1.default {
constructor(opts) {
super({
pollingInterval: opts.pollingInterval,
});
this.addProvider(new ledgerSubprovider_1.LedgerSubprovider({
networkId: opts.chainId,
ledgerEthereumClientFactoryAsync: ledgerEthereumBrowserClientFactoryAsync,
accountFetchingConfigs: opts.accountFetchingConfigs,
baseDerivationPath: opts.baseDerivationPath,
}));
this.addProvider(new cache_js_1.default());
this.addProvider(new rpc_js_1.default(opts));
this.start();
}
}
exports.default = LedgerProvider;