439 lines
19 KiB
JavaScript
439 lines
19 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 __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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var abstract_signer_1 = require("@ethersproject/abstract-signer");
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var bignumber_1 = require("@ethersproject/bignumber");
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var bytes_1 = require("@ethersproject/bytes");
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var errors = __importStar(require("@ethersproject/errors"));
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var networks_1 = require("@ethersproject/networks");
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var properties_1 = require("@ethersproject/properties");
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var strings_1 = require("@ethersproject/strings");
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var web_1 = require("@ethersproject/web");
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var base_provider_1 = require("./base-provider");
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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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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 _constructorGuard = {};
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var JsonRpcSigner = /** @class */ (function (_super) {
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__extends(JsonRpcSigner, _super);
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function JsonRpcSigner(constructorGuard, provider, addressOrIndex) {
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var _newTarget = this.constructor;
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var _this = this;
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errors.checkNew(_newTarget, JsonRpcSigner);
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_this = _super.call(this) || this;
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if (constructorGuard !== _constructorGuard) {
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throw new Error("do not call the JsonRpcSigner constructor directly; use provider.getSigner");
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}
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properties_1.defineReadOnly(_this, "provider", provider);
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// Statically attach to a given address
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if (addressOrIndex == null) {
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addressOrIndex = 0;
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}
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if (addressOrIndex) {
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if (typeof (addressOrIndex) === "string") {
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properties_1.defineReadOnly(_this, "_address", _this.provider.formatter.address(addressOrIndex));
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properties_1.defineReadOnly(_this, "_index", null);
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}
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else if (typeof (addressOrIndex) === "number") {
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properties_1.defineReadOnly(_this, "_index", addressOrIndex);
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properties_1.defineReadOnly(_this, "_address", null);
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}
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else {
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errors.throwError("invalid address or index", errors.INVALID_ARGUMENT, { argument: "addressOrIndex", value: addressOrIndex });
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}
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}
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return _this;
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}
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JsonRpcSigner.prototype.connect = function (provider) {
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return errors.throwError("cannot alter JSON-RPC Signer connection", errors.UNSUPPORTED_OPERATION, {
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operation: "connect"
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});
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};
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JsonRpcSigner.prototype.connectUnchecked = function () {
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return new UncheckedJsonRpcSigner(_constructorGuard, this.provider, this._address || this._index);
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};
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JsonRpcSigner.prototype.getAddress = function () {
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var _this = this;
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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 <= _this._index) {
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errors.throwError("unknown account #" + _this._index, errors.UNSUPPORTED_OPERATION, { operation: "getAddress" });
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}
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return _this.provider.formatter.address(accounts[_this._index]);
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});
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};
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JsonRpcSigner.prototype.sendUncheckedTransaction = function (transaction) {
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var _this = this;
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transaction = properties_1.shallowCopy(transaction);
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var fromAddress = this.getAddress().then(function (address) {
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if (address) {
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address = address.toLowerCase();
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}
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return address;
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});
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// The JSON-RPC for eth_sendTransaction uses 90000 gas; if the user
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// wishes to use this, it is easy to specify explicitly, otherwise
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// we look it up for them.
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if (transaction.gasLimit == null) {
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var estimate = properties_1.shallowCopy(transaction);
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estimate.from = fromAddress;
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transaction.gasLimit = this.provider.estimateGas(estimate);
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}
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return Promise.all([
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properties_1.resolveProperties(transaction),
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fromAddress
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]).then(function (results) {
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var tx = results[0];
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var hexTx = _this.provider.constructor.hexlifyTransaction(tx);
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hexTx.from = results[1];
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return _this.provider.send("eth_sendTransaction", [hexTx]).then(function (hash) {
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return hash;
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}, function (error) {
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if (error.responseText) {
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// See: JsonRpcProvider.sendTransaction (@TODO: Expose a ._throwError??)
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if (error.responseText.indexOf("insufficient funds") >= 0) {
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errors.throwError("insufficient funds", errors.INSUFFICIENT_FUNDS, {
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transaction: tx
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});
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}
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if (error.responseText.indexOf("nonce too low") >= 0) {
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errors.throwError("nonce has already been used", errors.NONCE_EXPIRED, {
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transaction: tx
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});
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}
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if (error.responseText.indexOf("replacement transaction underpriced") >= 0) {
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errors.throwError("replacement fee too low", errors.REPLACEMENT_UNDERPRICED, {
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transaction: tx
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});
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}
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}
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throw error;
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});
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});
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};
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JsonRpcSigner.prototype.signTransaction = function (transaction) {
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return errors.throwError("signing transactions is unsupported", errors.UNSUPPORTED_OPERATION, {
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operation: "signTransaction"
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});
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};
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JsonRpcSigner.prototype.sendTransaction = function (transaction) {
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var _this = this;
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return this.sendUncheckedTransaction(transaction).then(function (hash) {
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return web_1.poll(function () {
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return _this.provider.getTransaction(hash).then(function (tx) {
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if (tx === null) {
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return undefined;
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}
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return _this.provider._wrapTransaction(tx, hash);
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});
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}, { onceBlock: _this.provider }).catch(function (error) {
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error.transactionHash = hash;
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throw error;
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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") ? strings_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(), bytes_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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}(abstract_signer_1.Signer));
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exports.JsonRpcSigner = JsonRpcSigner;
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var UncheckedJsonRpcSigner = /** @class */ (function (_super) {
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__extends(UncheckedJsonRpcSigner, _super);
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function UncheckedJsonRpcSigner() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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UncheckedJsonRpcSigner.prototype.sendTransaction = function (transaction) {
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var _this = this;
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return this.sendUncheckedTransaction(transaction).then(function (hash) {
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return {
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hash: hash,
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nonce: null,
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gasLimit: null,
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gasPrice: null,
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data: null,
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value: null,
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chainId: null,
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confirmations: 0,
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from: null,
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wait: function (confirmations) { return _this.provider.waitForTransaction(hash, confirmations); }
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};
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});
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};
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return UncheckedJsonRpcSigner;
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}(JsonRpcSigner));
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var allowedTransactionKeys = {
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chainId: true, data: true, gasLimit: true, gasPrice: true, nonce: true, to: true, value: true
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};
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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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var _newTarget = this.constructor;
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var _this = this;
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errors.checkNew(_newTarget, JsonRpcProvider);
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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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if (network) {
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// The network has been specified explicitly, we can use it
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_this = _super.call(this, network) || this;
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}
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else {
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// The network is unknown, query the JSON-RPC for it
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var ready = new Promise(function (resolve, reject) {
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setTimeout(function () {
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_this.send("eth_chainId", []).then(function (result) {
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resolve(networks_1.getNetwork(bignumber_1.BigNumber.from(result).toNumber()));
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}).catch(function (error) {
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_this.send("net_version", []).then(function (result) {
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resolve(networks_1.getNetwork(bignumber_1.BigNumber.from(result).toNumber()));
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}).catch(function (error) {
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reject(errors.makeError("could not detect network", errors.NETWORK_ERROR, {}));
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});
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});
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});
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});
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_this = _super.call(this, ready) || this;
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}
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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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return _this;
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}
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JsonRpcProvider.prototype.getSigner = function (addressOrIndex) {
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return new JsonRpcSigner(_constructorGuard, this, addressOrIndex);
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};
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JsonRpcProvider.prototype.getUncheckedSigner = function (addressOrIndex) {
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return this.getSigner(addressOrIndex).connectUnchecked();
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};
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JsonRpcProvider.prototype.listAccounts = function () {
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var _this = this;
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return this.send("eth_accounts", []).then(function (accounts) {
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return accounts.map(function (a) { return _this.formatter.address(a); });
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});
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};
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JsonRpcProvider.prototype.send = function (method, params) {
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var _this = this;
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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).then(function (result) {
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_this.emit("debug", {
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action: "send",
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request: request,
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response: result,
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provider: _this
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});
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return result;
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});
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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]).catch(function (error) {
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if (error.responseText) {
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// "insufficient funds for gas * price + value"
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if (error.responseText.indexOf("insufficient funds") > 0) {
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errors.throwError("insufficient funds", errors.INSUFFICIENT_FUNDS, {});
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}
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// "nonce too low"
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if (error.responseText.indexOf("nonce too low") > 0) {
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errors.throwError("nonce has already been used", errors.NONCE_EXPIRED, {});
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}
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// "replacement transaction underpriced"
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if (error.responseText.indexOf("replacement transaction underpriced") > 0) {
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errors.throwError("replacement fee too low", errors.REPLACEMENT_UNDERPRICED, {});
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}
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}
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throw error;
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});
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case "getBlock":
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if (params.blockTag) {
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return this.send("eth_getBlockByNumber", [params.blockTag, !!params.includeTransactions]);
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}
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else if (params.blockHash) {
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return this.send("eth_getBlockByHash", [params.blockHash, !!params.includeTransactions]);
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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", [this.constructor.hexlifyTransaction(params.transaction, { from: true }), params.blockTag]);
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case "estimateGas":
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return this.send("eth_estimateGas", [this.constructor.hexlifyTransaction(params.transaction, { from: true })]);
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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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return errors.throwError(method + " not implemented", errors.NOT_IMPLEMENTED, { operation: method });
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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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// @TODO: This should be garbage collected at some point... How? When?
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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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return null;
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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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return null;
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}).catch(function (error) { });
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}
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poll();
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return filterId;
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}).catch(function (error) { });
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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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// 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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// NOTE: This allows a TransactionRequest, but all values should be resolved
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// before this is called
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JsonRpcProvider.hexlifyTransaction = function (transaction, allowExtra) {
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// Check only allowed properties are given
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var allowed = properties_1.shallowCopy(allowedTransactionKeys);
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if (allowExtra) {
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for (var key in allowExtra) {
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if (allowExtra[key]) {
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allowed[key] = true;
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}
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}
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}
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properties_1.checkProperties(transaction, allowed);
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var result = {};
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// Some nodes (INFURA ropsten; INFURA mainnet is fine) do not like leading 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 = bytes_1.hexValue(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] = bytes_1.hexlify(transaction[key]);
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});
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return result;
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};
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return JsonRpcProvider;
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}(base_provider_1.BaseProvider));
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exports.JsonRpcProvider = JsonRpcProvider;
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