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ethers.js/packages/providers/lib/base-provider.js

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"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
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;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
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Object.defineProperty(exports, "__esModule", { value: true });
var abstract_provider_1 = require("@ethersproject/abstract-provider");
var bignumber_1 = require("@ethersproject/bignumber");
var bytes_1 = require("@ethersproject/bytes");
var hash_1 = require("@ethersproject/hash");
var networks_1 = require("@ethersproject/networks");
var properties_1 = require("@ethersproject/properties");
var strings_1 = require("@ethersproject/strings");
var web_1 = require("@ethersproject/web");
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var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
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var formatter_1 = require("./formatter");
//////////////////////////////
// Event Serializeing
function checkTopic(topic) {
if (topic == null) {
return "null";
}
if (bytes_1.hexDataLength(topic) !== 32) {
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logger.throwArgumentError("invalid topic", "topic", topic);
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}
return topic.toLowerCase();
}
function serializeTopics(topics) {
// Remove trailing null AND-topics; they are redundant
topics = topics.slice();
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while (topics.length > 0 && topics[topics.length - 1] == null) {
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topics.pop();
}
return topics.map(function (topic) {
if (Array.isArray(topic)) {
// Only track unique OR-topics
var unique_1 = {};
topic.forEach(function (topic) {
unique_1[checkTopic(topic)] = true;
});
// The order of OR-topics does not matter
var sorted = Object.keys(unique_1);
sorted.sort();
return sorted.join("|");
}
else {
return checkTopic(topic);
}
}).join("&");
}
function deserializeTopics(data) {
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if (data === "") {
return [];
}
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return data.split(/&/g).map(function (topic) {
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if (topic === "") {
return [];
}
var comps = topic.split("|").map(function (topic) {
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return ((topic === "null") ? null : topic);
});
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return ((comps.length === 1) ? comps[0] : comps);
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});
}
function getEventTag(eventName) {
if (typeof (eventName) === "string") {
eventName = eventName.toLowerCase();
if (bytes_1.hexDataLength(eventName) === 32) {
return "tx:" + eventName;
}
if (eventName.indexOf(":") === -1) {
return eventName;
}
}
else if (Array.isArray(eventName)) {
return "filter:*:" + serializeTopics(eventName);
}
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else if (abstract_provider_1.ForkEvent.isForkEvent(eventName)) {
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logger.warn("not implemented");
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throw new Error("not implemented");
}
else if (eventName && typeof (eventName) === "object") {
return "filter:" + (eventName.address || "*") + ":" + serializeTopics(eventName.topics || []);
}
throw new Error("invalid event - " + eventName);
}
//////////////////////////////
// Helper Object
function getTime() {
return (new Date()).getTime();
}
//////////////////////////////
// Provider Object
/**
* EventType
* - "block"
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* - "poll"
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* - "pending"
* - "error"
* - filter
* - topics array
* - transaction hash
*/
var Event = /** @class */ (function () {
function Event(tag, listener, once) {
properties_1.defineReadOnly(this, "tag", tag);
properties_1.defineReadOnly(this, "listener", listener);
properties_1.defineReadOnly(this, "once", once);
}
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Object.defineProperty(Event.prototype, "event", {
get: function () {
switch (this.type) {
case "tx":
return this.hash;
case "filter":
return this.filter;
}
return this.tag;
},
enumerable: true,
configurable: true
});
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Object.defineProperty(Event.prototype, "type", {
get: function () {
return this.tag.split(":")[0];
},
enumerable: true,
configurable: true
});
Object.defineProperty(Event.prototype, "hash", {
get: function () {
var comps = this.tag.split(":");
if (comps[0] !== "tx") {
return null;
}
return comps[1];
},
enumerable: true,
configurable: true
});
Object.defineProperty(Event.prototype, "filter", {
get: function () {
var comps = this.tag.split(":");
if (comps[0] !== "filter") {
return null;
}
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var address = comps[1];
var topics = deserializeTopics(comps[2]);
var filter = {};
if (topics.length > 0) {
filter.topics = topics;
}
if (address && address !== "*") {
filter.address = address;
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}
return filter;
},
enumerable: true,
configurable: true
});
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Event.prototype.pollable = function () {
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return (this.tag.indexOf(":") >= 0 || this.tag === "block" || this.tag === "pending" || this.tag === "poll");
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};
return Event;
}());
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exports.Event = Event;
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var defaultFormatter = null;
var nextPollId = 1;
var BaseProvider = /** @class */ (function (_super) {
__extends(BaseProvider, _super);
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/**
* ready
*
* A Promise<Network> that resolves only once the provider is ready.
*
* Sub-classes that call the super with a network without a chainId
* MUST set this. Standard named networks have a known chainId.
*
*/
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function BaseProvider(network) {
var _newTarget = this.constructor;
var _this = this;
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logger.checkNew(_newTarget, abstract_provider_1.Provider);
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_this = _super.call(this) || this;
_this.formatter = _newTarget.getFormatter();
if (network instanceof Promise) {
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_this._networkPromise = network;
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// Squash any "unhandled promise" errors; that do not need to be handled
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network.catch(function (error) { });
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}
else {
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var knownNetwork = properties_1.getStatic((_newTarget), "getNetwork")(network);
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if (knownNetwork) {
properties_1.defineReadOnly(_this, "_network", knownNetwork);
}
else {
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logger.throwArgumentError("invalid network", "network", network);
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}
}
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_this._maxInternalBlockNumber = -1024;
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_this._lastBlockNumber = -2;
// Events being listened to
_this._events = [];
_this._pollingInterval = 4000;
_this._emitted = { block: -2 };
_this._fastQueryDate = 0;
return _this;
}
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BaseProvider.prototype._ready = function () {
return __awaiter(this, void 0, void 0, function () {
var network, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(this._network == null)) return [3 /*break*/, 7];
network = null;
if (!this._networkPromise) return [3 /*break*/, 4];
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this._networkPromise];
case 2:
network = _a.sent();
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
return [3 /*break*/, 4];
case 4:
if (!(network == null)) return [3 /*break*/, 6];
return [4 /*yield*/, this.detectNetwork()];
case 5:
network = _a.sent();
_a.label = 6;
case 6:
// This should never happen; every Provider sub-class should have
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// suggested a network by here (or have thrown).
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if (!network) {
logger.throwError("no network detected", logger_1.Logger.errors.UNKNOWN_ERROR, {});
}
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// Possible this call stacked so do not call defineReadOnly again
if (this._network == null) {
properties_1.defineReadOnly(this, "_network", network);
}
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_a.label = 7;
case 7: return [2 /*return*/, this._network];
}
});
});
};
Object.defineProperty(BaseProvider.prototype, "ready", {
get: function () {
return this._ready();
},
enumerable: true,
configurable: true
});
BaseProvider.prototype.detectNetwork = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, logger.throwError("provider does not support network detection", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
operation: "provider.detectNetwork"
})];
});
});
};
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BaseProvider.getFormatter = function () {
if (defaultFormatter == null) {
defaultFormatter = new formatter_1.Formatter();
}
return defaultFormatter;
};
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BaseProvider.getNetwork = function (network) {
return networks_1.getNetwork((network == null) ? "homestead" : network);
};
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BaseProvider.prototype._getInternalBlockNumber = function (maxAge) {
return __awaiter(this, void 0, void 0, function () {
var internalBlockNumber, result, reqTime;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
internalBlockNumber = this._internalBlockNumber;
if (!(maxAge > 0 && this._internalBlockNumber)) return [3 /*break*/, 3];
return [4 /*yield*/, internalBlockNumber];
case 2:
result = _a.sent();
if ((getTime() - result.respTime) <= maxAge) {
return [2 /*return*/, result.blockNumber];
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}
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_a.label = 3;
case 3:
reqTime = getTime();
this._internalBlockNumber = this.perform("getBlockNumber", {}).then(function (blockNumber) {
var respTime = getTime();
blockNumber = bignumber_1.BigNumber.from(blockNumber).toNumber();
if (blockNumber < _this._maxInternalBlockNumber) {
blockNumber = _this._maxInternalBlockNumber;
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}
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_this._maxInternalBlockNumber = blockNumber;
_this._setFastBlockNumber(blockNumber); // @TODO: Still need this?
return { blockNumber: blockNumber, reqTime: reqTime, respTime: respTime };
});
return [4 /*yield*/, this._internalBlockNumber];
case 4: return [2 /*return*/, (_a.sent()).blockNumber];
}
});
});
};
BaseProvider.prototype.poll = function () {
return __awaiter(this, void 0, void 0, function () {
var pollId, runners, blockNumber, i;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
pollId = nextPollId++;
this.emit("willPoll", pollId);
runners = [];
return [4 /*yield*/, this._getInternalBlockNumber(100 + this.pollingInterval / 2)];
case 1:
blockNumber = _a.sent();
this._setFastBlockNumber(blockNumber);
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// Emit a poll event after we have the latest (fast) block number
this.emit("poll", pollId, blockNumber);
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// If the block has not changed, meh.
if (blockNumber === this._lastBlockNumber) {
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this.emit("didPoll", pollId);
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return [2 /*return*/];
}
// First polling cycle, trigger a "block" events
if (this._emitted.block === -2) {
this._emitted.block = blockNumber - 1;
}
// Notify all listener for each block that has passed
for (i = this._emitted.block + 1; i <= blockNumber; i++) {
this.emit("block", i);
}
// The emitted block was updated, check for obsolete events
if (this._emitted.block !== blockNumber) {
this._emitted.block = blockNumber;
Object.keys(this._emitted).forEach(function (key) {
// The block event does not expire
if (key === "block") {
return;
}
// The block we were at when we emitted this event
var eventBlockNumber = _this._emitted[key];
// We cannot garbage collect pending transactions or blocks here
// They should be garbage collected by the Provider when setting
// "pending" events
if (eventBlockNumber === "pending") {
return;
}
// Evict any transaction hashes or block hashes over 12 blocks
// old, since they should not return null anyways
if (blockNumber - eventBlockNumber > 12) {
delete _this._emitted[key];
}
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});
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}
// First polling cycle
if (this._lastBlockNumber === -2) {
this._lastBlockNumber = blockNumber - 1;
}
// Find all transaction hashes we are waiting on
this._events.forEach(function (event) {
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switch (event.type) {
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case "tx": {
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var hash_2 = event.hash;
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var runner = _this.getTransactionReceipt(hash_2).then(function (receipt) {
if (!receipt || receipt.blockNumber == null) {
return null;
}
_this._emitted["t:" + hash_2] = receipt.blockNumber;
_this.emit(hash_2, receipt);
return null;
}).catch(function (error) { _this.emit("error", error); });
runners.push(runner);
break;
}
case "filter": {
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var filter_1 = event.filter;
filter_1.fromBlock = _this._lastBlockNumber + 1;
filter_1.toBlock = blockNumber;
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var runner = _this.getLogs(filter_1).then(function (logs) {
if (logs.length === 0) {
return;
}
logs.forEach(function (log) {
_this._emitted["b:" + log.blockHash] = log.blockNumber;
_this._emitted["t:" + log.transactionHash] = log.blockNumber;
_this.emit(filter_1, log);
});
}).catch(function (error) { _this.emit("error", error); });
runners.push(runner);
break;
}
}
});
this._lastBlockNumber = blockNumber;
Promise.all(runners).then(function () {
_this.emit("didPoll", pollId);
});
return [2 /*return*/, null];
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}
});
});
};
BaseProvider.prototype.resetEventsBlock = function (blockNumber) {
this._lastBlockNumber = blockNumber - 1;
if (this.polling) {
this.poll();
}
};
Object.defineProperty(BaseProvider.prototype, "network", {
get: function () {
return this._network;
},
enumerable: true,
configurable: true
});
BaseProvider.prototype.getNetwork = function () {
return this.ready;
};
Object.defineProperty(BaseProvider.prototype, "blockNumber", {
get: function () {
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var _this = this;
this._getInternalBlockNumber(100 + this.pollingInterval / 2).then(function (blockNumber) {
_this._setFastBlockNumber(blockNumber);
});
return (this._fastBlockNumber != null) ? this._fastBlockNumber : -1;
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},
enumerable: true,
configurable: true
});
Object.defineProperty(BaseProvider.prototype, "polling", {
get: function () {
return (this._poller != null);
},
set: function (value) {
var _this = this;
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if (value && !this._poller) {
this._poller = setInterval(this.poll.bind(this), this.pollingInterval);
if (!this._bootstrapPoll) {
this._bootstrapPoll = setTimeout(function () {
_this.poll();
// We block additional polls until the polling interval
// is done, to prevent overwhelming the poll function
_this._bootstrapPoll = setTimeout(function () {
// If polling was disabled, something may require a poke
// since starting the bootstrap poll and it was disabled
if (!_this._poller) {
_this.poll();
}
// Clear out the bootstrap so we can do another
_this._bootstrapPoll = null;
}, _this.pollingInterval);
}, 0);
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}
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}
else if (!value && this._poller) {
clearInterval(this._poller);
this._poller = null;
}
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},
enumerable: true,
configurable: true
});
Object.defineProperty(BaseProvider.prototype, "pollingInterval", {
get: function () {
return this._pollingInterval;
},
set: function (value) {
var _this = this;
if (typeof (value) !== "number" || value <= 0 || parseInt(String(value)) != value) {
throw new Error("invalid polling interval");
}
this._pollingInterval = value;
if (this._poller) {
clearInterval(this._poller);
this._poller = setInterval(function () { _this.poll(); }, this._pollingInterval);
}
},
enumerable: true,
configurable: true
});
BaseProvider.prototype._getFastBlockNumber = function () {
var _this = this;
var now = getTime();
// Stale block number, request a newer value
if ((now - this._fastQueryDate) > 2 * this._pollingInterval) {
this._fastQueryDate = now;
this._fastBlockNumberPromise = this.getBlockNumber().then(function (blockNumber) {
if (_this._fastBlockNumber == null || blockNumber > _this._fastBlockNumber) {
_this._fastBlockNumber = blockNumber;
}
return _this._fastBlockNumber;
});
}
return this._fastBlockNumberPromise;
};
BaseProvider.prototype._setFastBlockNumber = function (blockNumber) {
// Older block, maybe a stale request
if (this._fastBlockNumber != null && blockNumber < this._fastBlockNumber) {
return;
}
// Update the time we updated the blocknumber
this._fastQueryDate = getTime();
// Newer block number, use it
if (this._fastBlockNumber == null || blockNumber > this._fastBlockNumber) {
this._fastBlockNumber = blockNumber;
this._fastBlockNumberPromise = Promise.resolve(blockNumber);
}
};
// @TODO: Add .poller which must be an event emitter with a 'start', 'stop' and 'block' event;
// this will be used once we move to the WebSocket or other alternatives to polling
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BaseProvider.prototype.waitForTransaction = function (transactionHash, confirmations, timeout) {
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return __awaiter(this, void 0, void 0, function () {
var receipt;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (confirmations == null) {
confirmations = 1;
}
return [4 /*yield*/, this.getTransactionReceipt(transactionHash)];
case 1:
receipt = _a.sent();
// Receipt is already good
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if ((receipt ? receipt.confirmations : 0) >= confirmations) {
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return [2 /*return*/, receipt];
}
// Poll until the receipt is good...
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return [2 /*return*/, new Promise(function (resolve, reject) {
var timer = null;
var done = false;
Updated dist files.
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var handler = function (receipt) {
if (receipt.confirmations < confirmations) {
return;
}
Updated dist files.
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if (timer) {
clearTimeout(timer);
}
if (done) {
return;
}
done = true;
Updated dist files.
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_this.removeListener(transactionHash, handler);
resolve(receipt);
};
_this.on(transactionHash, handler);
Updated dist files.
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if (typeof (timeout) === "number" && timeout > 0) {
timer = setTimeout(function () {
if (done) {
return;
}
timer = null;
done = true;
_this.removeListener(transactionHash, handler);
reject(logger.makeError("timeout exceeded", logger_1.Logger.errors.TIMEOUT, { timeout: timeout }));
}, timeout);
if (timer.unref) {
timer.unref();
}
}
Updated dist files.
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})];
Updated dist files.
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}
});
});
};
BaseProvider.prototype.getBlockNumber = function () {
Updated dist files.
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return this._getInternalBlockNumber(0);
Updated dist files.
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};
BaseProvider.prototype.getGasPrice = function () {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_c.sent();
_b = (_a = bignumber_1.BigNumber).from;
return [4 /*yield*/, this.perform("getGasPrice", {})];
case 2: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
});
Updated dist files.
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});
};
BaseProvider.prototype.getBalance = function (addressOrName, blockTag) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_c.sent();
return [4 /*yield*/, properties_1.resolveProperties({
address: this._getAddress(addressOrName),
blockTag: this._getBlockTag(blockTag)
})];
case 2:
params = _c.sent();
_b = (_a = bignumber_1.BigNumber).from;
return [4 /*yield*/, this.perform("getBalance", params)];
case 3: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
});
Updated dist files.
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});
};
BaseProvider.prototype.getTransactionCount = function (addressOrName, blockTag) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_c.sent();
return [4 /*yield*/, properties_1.resolveProperties({
address: this._getAddress(addressOrName),
blockTag: this._getBlockTag(blockTag)
})];
case 2:
params = _c.sent();
_b = (_a = bignumber_1.BigNumber).from;
return [4 /*yield*/, this.perform("getTransactionCount", params)];
case 3: return [2 /*return*/, _b.apply(_a, [_c.sent()]).toNumber()];
}
});
Updated dist files.
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});
};
BaseProvider.prototype.getCode = function (addressOrName, blockTag) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_b.sent();
return [4 /*yield*/, properties_1.resolveProperties({
address: this._getAddress(addressOrName),
blockTag: this._getBlockTag(blockTag)
})];
case 2:
params = _b.sent();
_a = bytes_1.hexlify;
return [4 /*yield*/, this.perform("getCode", params)];
case 3: return [2 /*return*/, _a.apply(void 0, [_b.sent()])];
}
});
Updated dist files.
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});
};
BaseProvider.prototype.getStorageAt = function (addressOrName, position, blockTag) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_b.sent();
return [4 /*yield*/, properties_1.resolveProperties({
address: this._getAddress(addressOrName),
blockTag: this._getBlockTag(blockTag),
position: Promise.resolve(position).then(function (p) { return bytes_1.hexValue(p); })
})];
case 2:
params = _b.sent();
_a = bytes_1.hexlify;
return [4 /*yield*/, this.perform("getStorageAt", params)];
case 3: return [2 /*return*/, _a.apply(void 0, [_b.sent()])];
}
});
Updated dist files.
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});
};
// This should be called by any subclass wrapping a TransactionResponse
BaseProvider.prototype._wrapTransaction = function (tx, hash) {
var _this = this;
if (hash != null && bytes_1.hexDataLength(hash) !== 32) {
throw new Error("invalid response - sendTransaction");
}
var result = tx;
// Check the hash we expect is the same as the hash the server reported
if (hash != null && tx.hash !== hash) {
Updated dist files.
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logger.throwError("Transaction hash mismatch from Provider.sendTransaction.", logger_1.Logger.errors.UNKNOWN_ERROR, { expectedHash: tx.hash, returnedHash: hash });
Updated dist files.
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}
// @TODO: (confirmations? number, timeout? number)
Updated dist files.
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result.wait = function (confirmations) { return __awaiter(_this, void 0, void 0, function () {
var receipt;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// We know this transaction *must* exist (whether it gets mined is
// another story), so setting an emitted value forces us to
// wait even if the node returns null for the receipt
if (confirmations !== 0) {
this._emitted["t:" + tx.hash] = "pending";
}
return [4 /*yield*/, this.waitForTransaction(tx.hash, confirmations)];
case 1:
receipt = _a.sent();
if (receipt == null && confirmations === 0) {
return [2 /*return*/, null];
}
// No longer pending, allow the polling loop to garbage collect this
this._emitted["t:" + tx.hash] = receipt.blockNumber;
if (receipt.status === 0) {
logger.throwError("transaction failed", logger_1.Logger.errors.CALL_EXCEPTION, {
transactionHash: tx.hash,
transaction: tx,
receipt: receipt
});
}
return [2 /*return*/, receipt];
Updated dist files.
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}
});
Updated dist files.
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}); };
Updated dist files.
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return result;
};
BaseProvider.prototype.sendTransaction = function (signedTransaction) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
Update dist files.
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var hexTx, tx, hash, error_2;
Updated dist files.
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return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
return [4 /*yield*/, Promise.resolve(signedTransaction).then(function (t) { return bytes_1.hexlify(t); })];
case 2:
hexTx = _a.sent();
tx = this.formatter.transaction(signedTransaction);
_a.label = 3;
case 3:
_a.trys.push([3, 5, , 6]);
return [4 /*yield*/, this.perform("sendTransaction", { signedTransaction: hexTx })];
case 4:
hash = _a.sent();
return [2 /*return*/, this._wrapTransaction(tx, hash)];
case 5:
Update dist files.
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error_2 = _a.sent();
error_2.transaction = tx;
error_2.transactionHash = tx.hash;
throw error_2;
Updated dist files.
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case 6: return [2 /*return*/];
}
});
Updated dist files.
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});
};
BaseProvider.prototype._getTransactionRequest = function (transaction) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var values, tx, _a, _b;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, transaction];
case 1:
values = _c.sent();
tx = {};
["from", "to"].forEach(function (key) {
if (values[key] == null) {
return;
}
tx[key] = Promise.resolve(values[key]).then(function (v) { return (v ? _this._getAddress(v) : null); });
});
["gasLimit", "gasPrice", "value"].forEach(function (key) {
if (values[key] == null) {
return;
}
tx[key] = Promise.resolve(values[key]).then(function (v) { return (v ? bignumber_1.BigNumber.from(v) : null); });
});
["data"].forEach(function (key) {
if (values[key] == null) {
return;
}
tx[key] = Promise.resolve(values[key]).then(function (v) { return (v ? bytes_1.hexlify(v) : null); });
});
_b = (_a = this.formatter).transactionRequest;
return [4 /*yield*/, properties_1.resolveProperties(tx)];
case 2: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
Updated dist files.
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}
});
});
};
BaseProvider.prototype._getFilter = function (filter) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var result, _a, _b;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!(filter instanceof Promise)) return [3 /*break*/, 2];
return [4 /*yield*/, filter];
case 1:
filter = _c.sent();
_c.label = 2;
case 2:
result = {};
if (filter.address != null) {
result.address = this._getAddress(filter.address);
}
["blockHash", "topics"].forEach(function (key) {
if (filter[key] == null) {
return;
}
result[key] = filter[key];
});
["fromBlock", "toBlock"].forEach(function (key) {
if (filter[key] == null) {
return;
}
result[key] = _this._getBlockTag(filter[key]);
});
_b = (_a = this.formatter).filter;
Updated dist files.
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return [4 /*yield*/, properties_1.resolveProperties(result)];
Updated dist files.
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case 3: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
Updated dist files.
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}
});
});
};
BaseProvider.prototype.call = function (transaction, blockTag) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_b.sent();
return [4 /*yield*/, properties_1.resolveProperties({
transaction: this._getTransactionRequest(transaction),
blockTag: this._getBlockTag(blockTag)
})];
case 2:
params = _b.sent();
_a = bytes_1.hexlify;
return [4 /*yield*/, this.perform("call", params)];
case 3: return [2 /*return*/, _a.apply(void 0, [_b.sent()])];
}
});
Updated dist files.
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});
};
BaseProvider.prototype.estimateGas = function (transaction) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var params, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_c.sent();
return [4 /*yield*/, properties_1.resolveProperties({
transaction: this._getTransactionRequest(transaction)
})];
case 2:
params = _c.sent();
_b = (_a = bignumber_1.BigNumber).from;
return [4 /*yield*/, this.perform("estimateGas", params)];
case 3: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
});
Updated dist files.
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});
};
Updated dist files.
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BaseProvider.prototype._getAddress = function (addressOrName) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
var address;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.resolveName(addressOrName)];
case 1:
address = _a.sent();
if (address == null) {
logger.throwError("ENS name not configured", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
operation: "resolveName(" + JSON.stringify(addressOrName) + ")"
});
}
return [2 /*return*/, address];
}
});
Updated dist files.
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});
};
Updated dist files.
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BaseProvider.prototype._getBlock = function (blockHashOrBlockTag, includeTransactions) {
Updated dist files.
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return __awaiter(this, void 0, void 0, function () {
Update dist files.
2020-05-04 00:53:58 +03:00
var blockNumber, params, _a, _b, _c, error_3;
Updated dist files.
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var _this = this;
return __generator(this, function (_d) {
switch (_d.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_d.sent();
if (!(blockHashOrBlockTag instanceof Promise)) return [3 /*break*/, 3];
return [4 /*yield*/, blockHashOrBlockTag];
case 2:
blockHashOrBlockTag = _d.sent();
_d.label = 3;
case 3:
blockNumber = -128;
params = {
includeTransactions: !!includeTransactions
};
if (!bytes_1.isHexString(blockHashOrBlockTag, 32)) return [3 /*break*/, 4];
params.blockHash = blockHashOrBlockTag;
return [3 /*break*/, 7];
case 4:
_d.trys.push([4, 6, , 7]);
_a = params;
_c = (_b = this.formatter).blockTag;
return [4 /*yield*/, this._getBlockTag(blockHashOrBlockTag)];
case 5:
_a.blockTag = _c.apply(_b, [_d.sent()]);
Updated dist files.
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if (bytes_1.isHexString(params.blockTag)) {
blockNumber = parseInt(params.blockTag.substring(2), 16);
}
Updated dist files.
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return [3 /*break*/, 7];
case 6:
Update dist files.
2020-05-04 00:53:58 +03:00
error_3 = _d.sent();
Updated dist files.
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logger.throwArgumentError("invalid block hash or block tag", "blockHashOrBlockTag", blockHashOrBlockTag);
Updated dist files.
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return [3 /*break*/, 7];
case 7: return [2 /*return*/, web_1.poll(function () { return __awaiter(_this, void 0, void 0, function () {
Updated dist files.
2020-01-19 05:48:12 +03:00
var block, blockNumber_1, i, tx, confirmations;
Updated dist files.
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return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.perform("getBlock", params)];
case 1:
block = _a.sent();
// Block was not found
if (block == null) {
// For blockhashes, if we didn't say it existed, that blockhash may
// not exist. If we did see it though, perhaps from a log, we know
// it exists, and this node is just not caught up yet.
if (params.blockHash != null) {
if (this._emitted["b:" + params.blockHash] == null) {
return [2 /*return*/, null];
}
}
// For block tags, if we are asking for a future block, we return null
if (params.blockTag != null) {
if (blockNumber > this._emitted.block) {
return [2 /*return*/, null];
}
}
// Retry on the next block
return [2 /*return*/, undefined];
}
Updated dist files.
2020-01-19 05:48:12 +03:00
if (!includeTransactions) return [3 /*break*/, 8];
blockNumber_1 = null;
i = 0;
_a.label = 2;
case 2:
if (!(i < block.transactions.length)) return [3 /*break*/, 7];
tx = block.transactions[i];
if (!(tx.blockNumber == null)) return [3 /*break*/, 3];
tx.confirmations = 0;
return [3 /*break*/, 6];
case 3:
if (!(tx.confirmations == null)) return [3 /*break*/, 6];
if (!(blockNumber_1 == null)) return [3 /*break*/, 5];
return [4 /*yield*/, this._getInternalBlockNumber(100 + 2 * this.pollingInterval)];
case 4:
blockNumber_1 = _a.sent();
_a.label = 5;
case 5:
confirmations = (blockNumber_1 - tx.blockNumber) + 1;
if (confirmations <= 0) {
confirmations = 1;
Updated dist files.
2019-11-20 12:57:38 +03:00
}
Updated dist files.
2020-01-19 05:48:12 +03:00
tx.confirmations = confirmations;
_a.label = 6;
case 6:
i++;
return [3 /*break*/, 2];
case 7: return [2 /*return*/, this.formatter.blockWithTransactions(block)];
case 8: return [2 /*return*/, this.formatter.block(block)];
Updated dist files.
2019-05-15 01:48:48 +03:00
}
Updated dist files.
2019-11-20 12:57:38 +03:00
});
Updated dist files.
2020-05-30 04:27:59 +03:00
}); }, { oncePoll: this })];
Updated dist files.
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}
Updated dist files.
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});
});
};
BaseProvider.prototype.getBlock = function (blockHashOrBlockTag) {
return (this._getBlock(blockHashOrBlockTag, false));
};
BaseProvider.prototype.getBlockWithTransactions = function (blockHashOrBlockTag) {
return (this._getBlock(blockHashOrBlockTag, true));
};
BaseProvider.prototype.getTransaction = function (transactionHash) {
Updated dist files.
2019-11-20 12:57:38 +03:00
return __awaiter(this, void 0, void 0, function () {
var params;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
if (!(transactionHash instanceof Promise)) return [3 /*break*/, 3];
return [4 /*yield*/, transactionHash];
case 2:
transactionHash = _a.sent();
_a.label = 3;
case 3:
params = { transactionHash: this.formatter.hash(transactionHash, true) };
return [2 /*return*/, web_1.poll(function () { return __awaiter(_this, void 0, void 0, function () {
var result, tx, blockNumber, confirmations;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.perform("getTransaction", params)];
case 1:
result = _a.sent();
if (result == null) {
if (this._emitted["t:" + transactionHash] == null) {
return [2 /*return*/, null];
}
return [2 /*return*/, undefined];
}
tx = this.formatter.transactionResponse(result);
if (!(tx.blockNumber == null)) return [3 /*break*/, 2];
tx.confirmations = 0;
return [3 /*break*/, 4];
case 2:
if (!(tx.confirmations == null)) return [3 /*break*/, 4];
return [4 /*yield*/, this._getInternalBlockNumber(100 + 2 * this.pollingInterval)];
case 3:
blockNumber = _a.sent();
confirmations = (blockNumber - tx.blockNumber) + 1;
if (confirmations <= 0) {
confirmations = 1;
}
tx.confirmations = confirmations;
_a.label = 4;
case 4: return [2 /*return*/, this._wrapTransaction(tx)];
}
});
Updated dist files.
2020-05-30 04:27:59 +03:00
}); }, { oncePoll: this })];
Updated dist files.
2019-11-20 12:57:38 +03:00
}
Updated dist files.
2019-05-15 01:48:48 +03:00
});
});
};
BaseProvider.prototype.getTransactionReceipt = function (transactionHash) {
Updated dist files.
2019-11-20 12:57:38 +03:00
return __awaiter(this, void 0, void 0, function () {
var params;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
if (!(transactionHash instanceof Promise)) return [3 /*break*/, 3];
return [4 /*yield*/, transactionHash];
case 2:
transactionHash = _a.sent();
_a.label = 3;
case 3:
params = { transactionHash: this.formatter.hash(transactionHash, true) };
return [2 /*return*/, web_1.poll(function () { return __awaiter(_this, void 0, void 0, function () {
var result, receipt, blockNumber, confirmations;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.perform("getTransactionReceipt", params)];
case 1:
result = _a.sent();
if (result == null) {
if (this._emitted["t:" + transactionHash] == null) {
return [2 /*return*/, null];
}
return [2 /*return*/, undefined];
}
// "geth-etc" returns receipts before they are ready
if (result.blockHash == null) {
return [2 /*return*/, undefined];
}
receipt = this.formatter.receipt(result);
if (!(receipt.blockNumber == null)) return [3 /*break*/, 2];
receipt.confirmations = 0;
return [3 /*break*/, 4];
case 2:
if (!(receipt.confirmations == null)) return [3 /*break*/, 4];
return [4 /*yield*/, this._getInternalBlockNumber(100 + 2 * this.pollingInterval)];
case 3:
blockNumber = _a.sent();
confirmations = (blockNumber - receipt.blockNumber) + 1;
if (confirmations <= 0) {
confirmations = 1;
}
receipt.confirmations = confirmations;
_a.label = 4;
case 4: return [2 /*return*/, receipt];
}
});
Updated dist files.
2020-05-30 04:27:59 +03:00
}); }, { oncePoll: this })];
Updated dist files.
2019-11-20 12:57:38 +03:00
}
Updated dist files.
2019-05-15 01:48:48 +03:00
});
});
};
BaseProvider.prototype.getLogs = function (filter) {
Updated dist files.
2019-11-20 12:57:38 +03:00
return __awaiter(this, void 0, void 0, function () {
var params, logs;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
return [4 /*yield*/, properties_1.resolveProperties({ filter: this._getFilter(filter) })];
case 2:
params = _a.sent();
return [4 /*yield*/, this.perform("getLogs", params)];
case 3:
logs = _a.sent();
Updated dist files.
2020-01-19 05:48:12 +03:00
logs.forEach(function (log) {
if (log.removed == null) {
log.removed = false;
}
});
Updated dist files.
2019-11-20 12:57:38 +03:00
return [2 /*return*/, formatter_1.Formatter.arrayOf(this.formatter.filterLog.bind(this.formatter))(logs)];
}
});
Updated dist files.
2019-05-15 01:48:48 +03:00
});
};
BaseProvider.prototype.getEtherPrice = function () {
Updated dist files.
2019-11-20 12:57:38 +03:00
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.ready];
case 1:
_a.sent();
return [2 /*return*/, this.perform("getEtherPrice", {})];
}
});
Updated dist files.
2019-05-15 01:48:48 +03:00
});
};
BaseProvider.prototype._getBlockTag = function (blockTag) {
Updated dist files.
2019-11-20 12:57:38 +03:00
return __awaiter(this, void 0, void 0, function () {
var blockNumber;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(blockTag instanceof Promise)) return [3 /*break*/, 2];
return [4 /*yield*/, blockTag];
case 1:
blockTag = _a.sent();
_a.label = 2;
case 2:
if (!(typeof (blockTag) === "number" && blockTag < 0)) return [3 /*break*/, 4];
if (blockTag % 1) {
logger.throwArgumentError("invalid BlockTag", "blockTag", blockTag);
}
return [4 /*yield*/, this._getInternalBlockNumber(100 + 2 * this.pollingInterval)];
case 3:
blockNumber = _a.sent();
blockNumber += blockTag;
if (blockNumber < 0) {
blockNumber = 0;
}
return [2 /*return*/, this.formatter.blockTag(blockNumber)];
case 4: return [2 /*return*/, this.formatter.blockTag(blockTag)];
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}
});
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});
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};
BaseProvider.prototype._getResolver = function (name) {
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return __awaiter(this, void 0, void 0, function () {
var network, transaction, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.getNetwork()];
case 1:
network = _c.sent();
// No ENS...
if (!network.ensAddress) {
logger.throwError("network does not support ENS", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "ENS", network: network.name });
}
transaction = {
to: network.ensAddress,
data: ("0x0178b8bf" + hash_1.namehash(name).substring(2))
};
_b = (_a = this.formatter).callAddress;
return [4 /*yield*/, this.call(transaction)];
case 2: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
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});
});
};
BaseProvider.prototype.resolveName = function (name) {
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return __awaiter(this, void 0, void 0, function () {
var resolverAddress, transaction, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!(name instanceof Promise)) return [3 /*break*/, 2];
return [4 /*yield*/, name];
case 1:
name = _c.sent();
_c.label = 2;
case 2:
// If it is already an address, nothing to resolve
try {
return [2 /*return*/, Promise.resolve(this.formatter.address(name))];
}
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catch (error) {
// If is is a hexstring, the address is bad (See #694)
if (bytes_1.isHexString(name)) {
throw error;
}
}
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if (typeof (name) !== "string") {
logger.throwArgumentError("invalid ENS name", "name", name);
}
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return [4 /*yield*/, this._getResolver(name)];
case 3:
resolverAddress = _c.sent();
if (!resolverAddress) {
return [2 /*return*/, null];
}
transaction = {
to: resolverAddress,
data: ("0x3b3b57de" + hash_1.namehash(name).substring(2))
};
_b = (_a = this.formatter).callAddress;
return [4 /*yield*/, this.call(transaction)];
case 4: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
}
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});
});
};
BaseProvider.prototype.lookupAddress = function (address) {
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return __awaiter(this, void 0, void 0, function () {
var reverseName, resolverAddress, bytes, _a, length, name, addr;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!(address instanceof Promise)) return [3 /*break*/, 2];
return [4 /*yield*/, address];
case 1:
address = _b.sent();
_b.label = 2;
case 2:
address = this.formatter.address(address);
reverseName = address.substring(2).toLowerCase() + ".addr.reverse";
return [4 /*yield*/, this._getResolver(reverseName)];
case 3:
resolverAddress = _b.sent();
if (!resolverAddress) {
return [2 /*return*/, null];
}
_a = bytes_1.arrayify;
return [4 /*yield*/, this.call({
to: resolverAddress,
data: ("0x691f3431" + hash_1.namehash(reverseName).substring(2))
})];
case 4:
bytes = _a.apply(void 0, [_b.sent()]);
// Strip off the dynamic string pointer (0x20)
if (bytes.length < 32 || !bignumber_1.BigNumber.from(bytes.slice(0, 32)).eq(32)) {
return [2 /*return*/, null];
}
bytes = bytes.slice(32);
// Not a length-prefixed string
if (bytes.length < 32) {
return [2 /*return*/, null];
}
length = bignumber_1.BigNumber.from(bytes.slice(0, 32)).toNumber();
bytes = bytes.slice(32);
// Length longer than available data
if (length > bytes.length) {
return [2 /*return*/, null];
}
name = strings_1.toUtf8String(bytes.slice(0, length));
return [4 /*yield*/, this.resolveName(name)];
case 5:
addr = _b.sent();
if (addr != address) {
return [2 /*return*/, null];
}
return [2 /*return*/, name];
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}
});
});
};
BaseProvider.prototype.perform = function (method, params) {
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return logger.throwError(method + " not implemented", logger_1.Logger.errors.NOT_IMPLEMENTED, { operation: method });
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};
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BaseProvider.prototype._startEvent = function (event) {
this.polling = (this._events.filter(function (e) { return e.pollable(); }).length > 0);
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};
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BaseProvider.prototype._stopEvent = function (event) {
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this.polling = (this._events.filter(function (e) { return e.pollable(); }).length > 0);
};
BaseProvider.prototype._addEventListener = function (eventName, listener, once) {
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var event = new Event(getEventTag(eventName), listener, once);
this._events.push(event);
this._startEvent(event);
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return this;
};
BaseProvider.prototype.on = function (eventName, listener) {
return this._addEventListener(eventName, listener, false);
};
BaseProvider.prototype.once = function (eventName, listener) {
return this._addEventListener(eventName, listener, true);
};
BaseProvider.prototype.emit = function (eventName) {
var _this = this;
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
var result = false;
Update dist files.
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var stopped = [];
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var eventTag = getEventTag(eventName);
this._events = this._events.filter(function (event) {
if (event.tag !== eventTag) {
return true;
}
setTimeout(function () {
event.listener.apply(_this, args);
}, 0);
result = true;
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if (event.once) {
stopped.push(event);
return false;
}
return true;
Updated dist files.
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});
Update dist files.
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stopped.forEach(function (event) { _this._stopEvent(event); });
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return result;
};
BaseProvider.prototype.listenerCount = function (eventName) {
if (!eventName) {
return this._events.length;
}
var eventTag = getEventTag(eventName);
return this._events.filter(function (event) {
return (event.tag === eventTag);
}).length;
};
BaseProvider.prototype.listeners = function (eventName) {
if (eventName == null) {
return this._events.map(function (event) { return event.listener; });
}
var eventTag = getEventTag(eventName);
return this._events
.filter(function (event) { return (event.tag === eventTag); })
.map(function (event) { return event.listener; });
};
BaseProvider.prototype.off = function (eventName, listener) {
Update dist files.
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var _this = this;
Updated dist files.
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if (listener == null) {
return this.removeAllListeners(eventName);
}
Update dist files.
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var stopped = [];
Updated dist files.
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var found = false;
var eventTag = getEventTag(eventName);
this._events = this._events.filter(function (event) {
if (event.tag !== eventTag || event.listener != listener) {
return true;
}
if (found) {
return true;
}
found = true;
Update dist files.
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stopped.push(event);
Updated dist files.
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return false;
});
Update dist files.
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stopped.forEach(function (event) { _this._stopEvent(event); });
Updated dist files.
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return this;
};
BaseProvider.prototype.removeAllListeners = function (eventName) {
Update dist files.
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var _this = this;
var stopped = [];
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if (eventName == null) {
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stopped = this._events;
Updated dist files.
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this._events = [];
}
else {
var eventTag_1 = getEventTag(eventName);
this._events = this._events.filter(function (event) {
Update dist files.
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if (event.tag !== eventTag_1) {
return true;
}
stopped.push(event);
return false;
Updated dist files.
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});
}
Update dist files.
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stopped.forEach(function (event) { _this._stopEvent(event); });
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return this;
};
return BaseProvider;
}(abstract_provider_1.Provider));
exports.BaseProvider = BaseProvider;
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