313 lines
12 KiB
JavaScript
313 lines
12 KiB
JavaScript
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'use strict';
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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// See: https://github.com/ethereum/wiki/wiki/JSON-RPC
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var networks_1 = require("./networks");
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var provider_js_1 = require("./provider.js");
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var address_1 = require("../utils/address");
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var convert_1 = require("../utils/convert");
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var utf8_1 = require("../utils/utf8");
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var web_1 = require("../utils/web");
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var errors = __importStar(require("../utils/errors"));
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function timer(timeout) {
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return new Promise(function (resolve) {
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setTimeout(function () {
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resolve();
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}, timeout);
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});
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}
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function getResult(payload) {
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if (payload.error) {
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// @TODO: not any
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var error = new Error(payload.error.message);
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error.code = payload.error.code;
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error.data = payload.error.data;
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throw error;
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}
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return payload.result;
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}
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// Convert an ethers.js transaction into a JSON-RPC transaction
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// - gasLimit => gas
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// - All values hexlified
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// - All numeric values zero-striped
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function hexlifyTransaction(transaction) {
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var result = {};
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// Some nodes (INFURA ropsten; INFURA mainnet is fine) don't like extra zeros.
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['gasLimit', 'gasPrice', 'nonce', 'value'].forEach(function (key) {
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if (transaction[key] == null) {
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return;
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}
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var value = convert_1.hexStripZeros(convert_1.hexlify(transaction[key]));
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if (key === 'gasLimit') {
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key = 'gas';
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}
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result[key] = value;
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});
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['from', 'to', 'data'].forEach(function (key) {
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if (transaction[key] == null) {
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return;
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}
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result[key] = convert_1.hexlify(transaction[key]);
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});
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return result;
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}
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exports.hexlifyTransaction = hexlifyTransaction;
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function getLowerCase(value) {
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if (value) {
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return value.toLowerCase();
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}
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return value;
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}
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var JsonRpcSigner = /** @class */ (function () {
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// private _syncAddress: boolean;
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function JsonRpcSigner(provider, address) {
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//errors.checkNew(this, JsonRpcSigner);
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this.provider = provider;
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// Statically attach to a given address
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if (address) {
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this._address = address;
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//this._syncAddress = true;
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}
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}
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Object.defineProperty(JsonRpcSigner.prototype, "address", {
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get: function () {
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if (!this._address) {
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errors.throwError('no sync sync address available; use getAddress', errors.UNSUPPORTED_OPERATION, { operation: 'address' });
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}
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return this._address;
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},
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enumerable: true,
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configurable: true
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});
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JsonRpcSigner.prototype.getAddress = function () {
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if (this._address) {
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return Promise.resolve(this._address);
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}
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return this.provider.send('eth_accounts', []).then(function (accounts) {
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if (accounts.length === 0) {
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errors.throwError('no accounts', errors.UNSUPPORTED_OPERATION, { operation: 'getAddress' });
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}
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return address_1.getAddress(accounts[0]);
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});
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};
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JsonRpcSigner.prototype.getBalance = function (blockTag) {
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var _this = this;
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return this.getAddress().then(function (address) {
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return _this.provider.getBalance(address, blockTag);
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});
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};
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JsonRpcSigner.prototype.getTransactionCount = function (blockTag) {
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var _this = this;
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return this.getAddress().then(function (address) {
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return _this.provider.getTransactionCount(address, blockTag);
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});
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};
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// @TODO:
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//sendTransaction(transaction: TransactionRequest): Promise<TransactionResponse> {
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JsonRpcSigner.prototype.sendTransaction = function (transaction) {
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var _this = this;
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transaction = hexlifyTransaction(transaction);
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return this.getAddress().then(function (address) {
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transaction.from = address.toLowerCase();
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return _this.provider.send('eth_sendTransaction', [transaction]).then(function (hash) {
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// @TODO: Use secp256k1 to fill this in instead...
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return new Promise(function (resolve, reject) {
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function check() {
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this.provider.getTransaction(hash).then(function (transaction) {
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if (!transaction) {
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setTimeout(check, 1000);
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return;
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}
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transaction.wait = function (timeout) {
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return this.provider.waitForTransaction(hash, timeout);
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};
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resolve(transaction);
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});
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}
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check();
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});
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});
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});
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};
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JsonRpcSigner.prototype.signMessage = function (message) {
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var _this = this;
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var data = ((typeof (message) === 'string') ? utf8_1.toUtf8Bytes(message) : message);
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return this.getAddress().then(function (address) {
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// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
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return _this.provider.send('eth_sign', [address.toLowerCase(), convert_1.hexlify(data)]);
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});
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};
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JsonRpcSigner.prototype.unlock = function (password) {
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var provider = this.provider;
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return this.getAddress().then(function (address) {
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return provider.send('personal_unlockAccount', [address.toLowerCase(), password, null]);
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});
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};
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return JsonRpcSigner;
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}());
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exports.JsonRpcSigner = JsonRpcSigner;
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var JsonRpcProvider = /** @class */ (function (_super) {
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__extends(JsonRpcProvider, _super);
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function JsonRpcProvider(url, network) {
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//errors.checkNew(this, JsonRpcProvider);
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var _this = this;
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// One parameter, but it is a network name, so swap it with the URL
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if (typeof (url) === 'string') {
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if (network === null && networks_1.getNetwork(url)) {
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network = url;
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url = null;
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}
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}
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_this = _super.call(this, network) || this;
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// Default URL
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if (!url) {
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url = 'http://localhost:8545';
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}
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if (typeof (url) === 'string') {
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_this.connection = {
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url: url
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};
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}
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else {
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_this.connection = url;
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}
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// The network is unknown, query the JSON-RPC for it
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if (!_this.network) {
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_this.ready = new Promise(function (resolve, reject) {
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setTimeout(function () {
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_this.send('net_version', []).then(function (result) {
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var chainId = parseInt(result);
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var network = networks_1.getNetwork(chainId);
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if (network) {
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return resolve(network);
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}
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resolve({
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name: 'custom',
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chainId: chainId
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});
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});
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});
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});
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}
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return _this;
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}
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JsonRpcProvider.prototype.getSigner = function (address) {
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return new JsonRpcSigner(this, address);
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};
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JsonRpcProvider.prototype.listAccounts = function () {
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return this.send('eth_accounts', []).then(function (accounts) {
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return accounts.map(function (a) { return address_1.getAddress(a); });
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});
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};
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JsonRpcProvider.prototype.send = function (method, params) {
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var request = {
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method: method,
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params: params,
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id: 42,
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jsonrpc: "2.0"
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};
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return web_1.fetchJson(this.connection, JSON.stringify(request), getResult);
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};
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JsonRpcProvider.prototype.perform = function (method, params) {
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switch (method) {
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case 'getBlockNumber':
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return this.send('eth_blockNumber', []);
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case 'getGasPrice':
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return this.send('eth_gasPrice', []);
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case 'getBalance':
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return this.send('eth_getBalance', [getLowerCase(params.address), params.blockTag]);
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case 'getTransactionCount':
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return this.send('eth_getTransactionCount', [getLowerCase(params.address), params.blockTag]);
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case 'getCode':
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return this.send('eth_getCode', [getLowerCase(params.address), params.blockTag]);
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case 'getStorageAt':
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return this.send('eth_getStorageAt', [getLowerCase(params.address), params.position, params.blockTag]);
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case 'sendTransaction':
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return this.send('eth_sendRawTransaction', [params.signedTransaction]);
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case 'getBlock':
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if (params.blockTag) {
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return this.send('eth_getBlockByNumber', [params.blockTag, false]);
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}
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else if (params.blockHash) {
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return this.send('eth_getBlockByHash', [params.blockHash, false]);
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}
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return Promise.reject(new Error('invalid block tag or block hash'));
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case 'getTransaction':
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return this.send('eth_getTransactionByHash', [params.transactionHash]);
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case 'getTransactionReceipt':
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return this.send('eth_getTransactionReceipt', [params.transactionHash]);
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case 'call':
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return this.send('eth_call', [hexlifyTransaction(params.transaction), 'latest']);
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case 'estimateGas':
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return this.send('eth_estimateGas', [hexlifyTransaction(params.transaction)]);
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case 'getLogs':
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if (params.filter && params.filter.address != null) {
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params.filter.address = getLowerCase(params.filter.address);
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}
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return this.send('eth_getLogs', [params.filter]);
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default:
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break;
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}
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errors.throwError(method + ' not implemented', errors.NOT_IMPLEMENTED, { operation: method });
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return null;
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};
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JsonRpcProvider.prototype._startPending = function () {
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if (this._pendingFilter != null) {
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return;
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}
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var self = this;
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var pendingFilter = this.send('eth_newPendingTransactionFilter', []);
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this._pendingFilter = pendingFilter;
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pendingFilter.then(function (filterId) {
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function poll() {
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self.send('eth_getFilterChanges', [filterId]).then(function (hashes) {
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if (self._pendingFilter != pendingFilter) {
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return null;
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}
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var seq = Promise.resolve();
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hashes.forEach(function (hash) {
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self._emitted['t:' + hash.toLowerCase()] = 'pending';
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seq = seq.then(function () {
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return self.getTransaction(hash).then(function (tx) {
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self.emit('pending', tx);
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});
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});
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});
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return seq.then(function () {
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return timer(1000);
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});
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}).then(function () {
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if (self._pendingFilter != pendingFilter) {
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self.send('eth_uninstallFilter', [filterId]);
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return;
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}
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setTimeout(function () { poll(); }, 0);
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});
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}
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poll();
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return filterId;
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});
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};
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JsonRpcProvider.prototype._stopPending = function () {
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this._pendingFilter = null;
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};
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return JsonRpcProvider;
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}(provider_js_1.Provider));
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exports.JsonRpcProvider = JsonRpcProvider;
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