498 lines
24 KiB
JavaScript
498 lines
24 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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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 extendStatics(d, b);
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};
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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 __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var bytes_1 = require("@ethersproject/bytes");
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var properties_1 = require("@ethersproject/properties");
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var web_1 = require("@ethersproject/web");
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var formatter_1 = require("./formatter");
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var logger_1 = require("@ethersproject/logger");
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var _version_1 = require("./_version");
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var logger = new logger_1.Logger(_version_1.version);
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var base_provider_1 = require("./base-provider");
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// The transaction has already been sanitized by the calls in Provider
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function getTransactionPostData(transaction) {
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var result = {};
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for (var key in transaction) {
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if (transaction[key] == null) {
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continue;
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}
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var value = bytes_1.hexlify(transaction[key]);
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// Quantity-types require no leading zero, unless 0
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if ({ gasLimit: true, gasPrice: true, nonce: true, value: true }[key]) {
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value = bytes_1.hexValue(value);
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}
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result[key] = value;
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}
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return result;
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}
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function getResult(result) {
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// getLogs, getHistory have weird success responses
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if (result.status == 0 && (result.message === "No records found" || result.message === "No transactions found")) {
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return result.result;
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}
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if (result.status != 1 || result.message != "OK") {
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var error = new Error("invalid response");
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error.result = JSON.stringify(result);
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if ((result.result || "").toLowerCase().indexOf("rate limit") >= 0) {
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error.throttleRetry = true;
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}
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throw error;
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}
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return result.result;
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}
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function getJsonResult(result) {
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// This response indicates we are being throttled
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if (result && result.status == 0 && result.message == "NOTOK" && (result.result || "").toLowerCase().indexOf("rate limit") >= 0) {
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var error = new Error("throttled response");
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error.result = JSON.stringify(result);
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error.throttleRetry = true;
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throw error;
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}
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if (result.jsonrpc != "2.0") {
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// @TODO: not any
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var error = new Error("invalid response");
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error.result = JSON.stringify(result);
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throw error;
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}
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if (result.error) {
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// @TODO: not any
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var error = new Error(result.error.message || "unknown error");
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if (result.error.code) {
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error.code = result.error.code;
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}
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if (result.error.data) {
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error.data = result.error.data;
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}
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throw error;
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}
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return result.result;
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}
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// The blockTag was normalized as a string by the Provider pre-perform operations
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function checkLogTag(blockTag) {
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if (blockTag === "pending") {
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throw new Error("pending not supported");
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}
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if (blockTag === "latest") {
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return blockTag;
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}
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return parseInt(blockTag.substring(2), 16);
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}
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var defaultApiKey = "9D13ZE7XSBTJ94N9BNJ2MA33VMAY2YPIRB";
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function checkError(method, error, transaction) {
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// Get the message from any nested error structure
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var message = error.message;
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if (error.code === logger_1.Logger.errors.SERVER_ERROR) {
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if (error.error && typeof (error.error.message) === "string") {
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message = error.error.message;
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}
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else if (typeof (error.body) === "string") {
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message = error.body;
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}
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else if (typeof (error.responseText) === "string") {
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message = error.responseText;
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}
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}
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message = (message || "").toLowerCase();
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// "Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 21464000000000 and got: 0"
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if (message.match(/insufficient funds/)) {
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logger.throwError("insufficient funds for intrinsic transaction cost", logger_1.Logger.errors.INSUFFICIENT_FUNDS, {
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error: error, method: method, transaction: transaction
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});
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}
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// "Transaction with the same hash was already imported."
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if (message.match(/same hash was already imported|transaction nonce is too low/)) {
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logger.throwError("nonce has already been used", logger_1.Logger.errors.NONCE_EXPIRED, {
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error: error, method: method, transaction: transaction
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});
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}
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// "Transaction gas price is too low. There is another transaction with same nonce in the queue. Try increasing the gas price or incrementing the nonce."
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if (message.match(/another transaction with same nonce/)) {
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logger.throwError("replacement fee too low", logger_1.Logger.errors.REPLACEMENT_UNDERPRICED, {
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error: error, method: method, transaction: transaction
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});
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}
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if (message.match(/execution failed due to an exception/)) {
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logger.throwError("cannot estimate gas; transaction may fail or may require manual gas limit", logger_1.Logger.errors.UNPREDICTABLE_GAS_LIMIT, {
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error: error, method: method, transaction: transaction
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});
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}
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throw error;
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}
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var EtherscanProvider = /** @class */ (function (_super) {
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__extends(EtherscanProvider, _super);
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function EtherscanProvider(network, apiKey) {
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var _newTarget = this.constructor;
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var _this = this;
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logger.checkNew(_newTarget, EtherscanProvider);
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_this = _super.call(this, network) || this;
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var name = "invalid";
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if (_this.network) {
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name = _this.network.name;
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}
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var baseUrl = null;
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switch (name) {
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case "homestead":
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baseUrl = "https://api.etherscan.io";
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break;
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case "ropsten":
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baseUrl = "https://api-ropsten.etherscan.io";
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break;
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case "rinkeby":
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baseUrl = "https://api-rinkeby.etherscan.io";
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break;
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case "kovan":
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baseUrl = "https://api-kovan.etherscan.io";
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break;
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case "goerli":
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baseUrl = "https://api-goerli.etherscan.io";
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break;
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default:
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throw new Error("unsupported network");
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}
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properties_1.defineReadOnly(_this, "baseUrl", baseUrl);
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properties_1.defineReadOnly(_this, "apiKey", apiKey || defaultApiKey);
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return _this;
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}
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EtherscanProvider.prototype.detectNetwork = function () {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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return [2 /*return*/, this.network];
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});
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});
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};
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EtherscanProvider.prototype.perform = function (method, params) {
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return __awaiter(this, void 0, void 0, function () {
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var url, apiKey, get, _a, postData, error_1, postData, error_2, topic0, logs, blocks, i, log, block, _b;
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var _this = this;
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return __generator(this, function (_c) {
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switch (_c.label) {
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case 0:
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url = this.baseUrl + "/api";
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apiKey = "";
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if (this.apiKey) {
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apiKey += "&apikey=" + this.apiKey;
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}
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get = function (url, payload, procFunc) { return __awaiter(_this, void 0, void 0, function () {
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var connection, payloadStr, result;
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var _this = this;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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this.emit("debug", {
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action: "request",
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request: url,
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provider: this
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});
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connection = {
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url: url,
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throttleSlotInterval: 1000,
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throttleCallback: function (attempt, url) {
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if (_this.isCommunityResource()) {
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formatter_1.showThrottleMessage();
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}
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return Promise.resolve(true);
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}
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};
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payloadStr = null;
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if (payload) {
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connection.headers = { "content-type": "application/x-www-form-urlencoded; charset=UTF-8" };
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payloadStr = Object.keys(payload).map(function (key) {
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return key + "=" + payload[key];
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}).join("&");
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}
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return [4 /*yield*/, web_1.fetchJson(connection, payloadStr, procFunc || getJsonResult)];
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case 1:
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result = _a.sent();
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this.emit("debug", {
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action: "response",
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request: url,
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response: properties_1.deepCopy(result),
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provider: this
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});
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return [2 /*return*/, result];
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}
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});
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}); };
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_a = method;
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switch (_a) {
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case "getBlockNumber": return [3 /*break*/, 1];
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case "getGasPrice": return [3 /*break*/, 2];
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case "getBalance": return [3 /*break*/, 3];
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case "getTransactionCount": return [3 /*break*/, 4];
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case "getCode": return [3 /*break*/, 5];
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case "getStorageAt": return [3 /*break*/, 6];
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case "sendTransaction": return [3 /*break*/, 7];
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case "getBlock": return [3 /*break*/, 8];
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case "getTransaction": return [3 /*break*/, 9];
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case "getTransactionReceipt": return [3 /*break*/, 10];
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case "call": return [3 /*break*/, 11];
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case "estimateGas": return [3 /*break*/, 15];
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case "getLogs": return [3 /*break*/, 19];
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case "getEtherPrice": return [3 /*break*/, 26];
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}
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return [3 /*break*/, 28];
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case 1:
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url += "?module=proxy&action=eth_blockNumber" + apiKey;
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return [2 /*return*/, get(url, null)];
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case 2:
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url += "?module=proxy&action=eth_gasPrice" + apiKey;
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return [2 /*return*/, get(url, null)];
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case 3:
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// Returns base-10 result
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url += "?module=account&action=balance&address=" + params.address;
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url += "&tag=" + params.blockTag + apiKey;
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return [2 /*return*/, get(url, null, getResult)];
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case 4:
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url += "?module=proxy&action=eth_getTransactionCount&address=" + params.address;
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url += "&tag=" + params.blockTag + apiKey;
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return [2 /*return*/, get(url, null)];
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case 5:
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url += "?module=proxy&action=eth_getCode&address=" + params.address;
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url += "&tag=" + params.blockTag + apiKey;
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return [2 /*return*/, get(url, null)];
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case 6:
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url += "?module=proxy&action=eth_getStorageAt&address=" + params.address;
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url += "&position=" + params.position;
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url += "&tag=" + params.blockTag + apiKey;
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return [2 /*return*/, get(url, null)];
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case 7: return [2 /*return*/, get(url, {
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module: "proxy",
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action: "eth_sendRawTransaction",
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hex: params.signedTransaction,
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apikey: this.apiKey
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}).catch(function (error) {
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return checkError("sendTransaction", error, params.signedTransaction);
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})];
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case 8:
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if (params.blockTag) {
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url += "?module=proxy&action=eth_getBlockByNumber&tag=" + params.blockTag;
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if (params.includeTransactions) {
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url += "&boolean=true";
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}
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else {
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url += "&boolean=false";
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}
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url += apiKey;
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return [2 /*return*/, get(url, null)];
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}
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throw new Error("getBlock by blockHash not implemented");
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case 9:
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url += "?module=proxy&action=eth_getTransactionByHash&txhash=" + params.transactionHash;
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url += apiKey;
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return [2 /*return*/, get(url, null)];
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case 10:
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url += "?module=proxy&action=eth_getTransactionReceipt&txhash=" + params.transactionHash;
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url += apiKey;
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return [2 /*return*/, get(url, null)];
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case 11:
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if (params.blockTag !== "latest") {
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throw new Error("EtherscanProvider does not support blockTag for call");
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}
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postData = getTransactionPostData(params.transaction);
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postData.module = "proxy";
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postData.action = "eth_call";
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postData.apikey = this.apiKey;
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_c.label = 12;
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case 12:
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_c.trys.push([12, 14, , 15]);
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return [4 /*yield*/, get(url, postData)];
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case 13: return [2 /*return*/, _c.sent()];
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case 14:
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error_1 = _c.sent();
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return [2 /*return*/, checkError("call", error_1, params.transaction)];
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case 15:
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postData = getTransactionPostData(params.transaction);
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postData.module = "proxy";
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postData.action = "eth_estimateGas";
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postData.apikey = this.apiKey;
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_c.label = 16;
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case 16:
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_c.trys.push([16, 18, , 19]);
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return [4 /*yield*/, get(url, postData)];
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case 17: return [2 /*return*/, _c.sent()];
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case 18:
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error_2 = _c.sent();
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return [2 /*return*/, checkError("estimateGas", error_2, params.transaction)];
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case 19:
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url += "?module=logs&action=getLogs";
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if (params.filter.fromBlock) {
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url += "&fromBlock=" + checkLogTag(params.filter.fromBlock);
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}
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if (params.filter.toBlock) {
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url += "&toBlock=" + checkLogTag(params.filter.toBlock);
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}
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if (params.filter.address) {
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url += "&address=" + params.filter.address;
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}
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// @TODO: We can handle slightly more complicated logs using the logs API
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if (params.filter.topics && params.filter.topics.length > 0) {
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if (params.filter.topics.length > 1) {
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logger.throwError("unsupported topic count", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { topics: params.filter.topics });
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}
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if (params.filter.topics.length === 1) {
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topic0 = params.filter.topics[0];
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if (typeof (topic0) !== "string" || topic0.length !== 66) {
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logger.throwError("unsupported topic format", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { topic0: topic0 });
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}
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url += "&topic0=" + topic0;
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}
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}
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url += apiKey;
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return [4 /*yield*/, get(url, null, getResult)];
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case 20:
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logs = _c.sent();
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blocks = {};
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i = 0;
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_c.label = 21;
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case 21:
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if (!(i < logs.length)) return [3 /*break*/, 25];
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log = logs[i];
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if (log.blockHash != null) {
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return [3 /*break*/, 24];
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}
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if (!(blocks[log.blockNumber] == null)) return [3 /*break*/, 23];
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return [4 /*yield*/, this.getBlock(log.blockNumber)];
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case 22:
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block = _c.sent();
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if (block) {
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blocks[log.blockNumber] = block.hash;
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}
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_c.label = 23;
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case 23:
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log.blockHash = blocks[log.blockNumber];
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_c.label = 24;
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case 24:
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i++;
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return [3 /*break*/, 21];
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case 25: return [2 /*return*/, logs];
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case 26:
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if (this.network.name !== "homestead") {
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return [2 /*return*/, 0.0];
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}
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url += "?module=stats&action=ethprice";
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url += apiKey;
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_b = parseFloat;
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return [4 /*yield*/, get(url, null, getResult)];
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case 27: return [2 /*return*/, _b.apply(void 0, [(_c.sent()).ethusd])];
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case 28: return [3 /*break*/, 29];
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case 29: return [2 /*return*/, _super.prototype.perform.call(this, method, params)];
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}
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});
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});
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};
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// @TODO: Allow startBlock and endBlock to be Promises
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EtherscanProvider.prototype.getHistory = function (addressOrName, startBlock, endBlock) {
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var _this = this;
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var url = this.baseUrl;
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var apiKey = "";
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if (this.apiKey) {
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apiKey += "&apikey=" + this.apiKey;
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}
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if (startBlock == null) {
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startBlock = 0;
|
|
}
|
|
if (endBlock == null) {
|
|
endBlock = 99999999;
|
|
}
|
|
return this.resolveName(addressOrName).then(function (address) {
|
|
url += "/api?module=account&action=txlist&address=" + address;
|
|
url += "&startblock=" + startBlock;
|
|
url += "&endblock=" + endBlock;
|
|
url += "&sort=asc" + apiKey;
|
|
_this.emit("debug", {
|
|
action: "request",
|
|
request: url,
|
|
provider: _this
|
|
});
|
|
var connection = {
|
|
url: url,
|
|
throttleSlotInterval: 1000,
|
|
throttleCallback: function (attempt, url) {
|
|
if (_this.apiKey === defaultApiKey) {
|
|
formatter_1.showThrottleMessage();
|
|
}
|
|
return Promise.resolve(true);
|
|
}
|
|
};
|
|
return web_1.fetchJson(connection, null, getResult).then(function (result) {
|
|
_this.emit("debug", {
|
|
action: "response",
|
|
request: url,
|
|
response: properties_1.deepCopy(result),
|
|
provider: _this
|
|
});
|
|
var output = [];
|
|
result.forEach(function (tx) {
|
|
["contractAddress", "to"].forEach(function (key) {
|
|
if (tx[key] == "") {
|
|
delete tx[key];
|
|
}
|
|
});
|
|
if (tx.creates == null && tx.contractAddress != null) {
|
|
tx.creates = tx.contractAddress;
|
|
}
|
|
var item = _this.formatter.transactionResponse(tx);
|
|
if (tx.timeStamp) {
|
|
item.timestamp = parseInt(tx.timeStamp);
|
|
}
|
|
output.push(item);
|
|
});
|
|
return output;
|
|
});
|
|
});
|
|
};
|
|
EtherscanProvider.prototype.isCommunityResource = function () {
|
|
return (this.apiKey === defaultApiKey);
|
|
};
|
|
return EtherscanProvider;
|
|
}(base_provider_1.BaseProvider));
|
|
exports.EtherscanProvider = EtherscanProvider;
|
|
//# sourceMappingURL=etherscan-provider.js.map
|