1329 lines
63 KiB
JavaScript
1329 lines
63 KiB
JavaScript
"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 __());
|
|
};
|
|
})();
|
|
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 };
|
|
}
|
|
};
|
|
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");
|
|
var logger_1 = require("@ethersproject/logger");
|
|
var _version_1 = require("./_version");
|
|
var logger = new logger_1.Logger(_version_1.version);
|
|
var formatter_1 = require("./formatter");
|
|
//////////////////////////////
|
|
// Event Serializeing
|
|
function checkTopic(topic) {
|
|
if (topic == null) {
|
|
return "null";
|
|
}
|
|
if (bytes_1.hexDataLength(topic) !== 32) {
|
|
logger.throwArgumentError("invalid topic", "topic", topic);
|
|
}
|
|
return topic.toLowerCase();
|
|
}
|
|
function serializeTopics(topics) {
|
|
// Remove trailing null AND-topics; they are redundant
|
|
topics = topics.slice();
|
|
while (topics[topics.length - 1] == null) {
|
|
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) {
|
|
return data.split(/&/g).map(function (topic) {
|
|
return topic.split("|").map(function (topic) {
|
|
return ((topic === "null") ? null : topic);
|
|
});
|
|
});
|
|
}
|
|
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);
|
|
}
|
|
else if (abstract_provider_1.ForkEvent.isForkEvent(eventName)) {
|
|
logger.warn("not implemented");
|
|
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"
|
|
* - "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);
|
|
}
|
|
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;
|
|
}
|
|
var filter = {
|
|
address: comps[1],
|
|
topics: deserializeTopics(comps[2])
|
|
};
|
|
if (!filter.address || filter.address === "*") {
|
|
delete filter.address;
|
|
}
|
|
return filter;
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Event.prototype.pollable = function () {
|
|
return (this.tag.indexOf(":") >= 0 || this.tag === "block" || this.tag === "pending");
|
|
};
|
|
return Event;
|
|
}());
|
|
exports.Event = Event;
|
|
var defaultFormatter = null;
|
|
var nextPollId = 1;
|
|
var BaseProvider = /** @class */ (function (_super) {
|
|
__extends(BaseProvider, _super);
|
|
function BaseProvider(network) {
|
|
var _newTarget = this.constructor;
|
|
var _this = this;
|
|
logger.checkNew(_newTarget, abstract_provider_1.Provider);
|
|
_this = _super.call(this) || this;
|
|
_this.formatter = _newTarget.getFormatter();
|
|
if (network instanceof Promise) {
|
|
properties_1.defineReadOnly(_this, "ready", network.then(function (network) {
|
|
properties_1.defineReadOnly(_this, "_network", network);
|
|
return network;
|
|
}));
|
|
// Squash any "unhandled promise" errors; that do not need to be handled
|
|
_this.ready.catch(function (error) { });
|
|
}
|
|
else {
|
|
var knownNetwork = properties_1.getStatic((_newTarget), "getNetwork")(network);
|
|
if (knownNetwork) {
|
|
properties_1.defineReadOnly(_this, "_network", knownNetwork);
|
|
properties_1.defineReadOnly(_this, "ready", Promise.resolve(_this._network));
|
|
}
|
|
else {
|
|
logger.throwArgumentError("invalid network", "network", network);
|
|
}
|
|
}
|
|
_this._maxInternalBlockNumber = -1024;
|
|
_this._lastBlockNumber = -2;
|
|
// Events being listened to
|
|
_this._events = [];
|
|
_this._pollingInterval = 4000;
|
|
_this._emitted = { block: -2 };
|
|
_this._fastQueryDate = 0;
|
|
return _this;
|
|
}
|
|
BaseProvider.getFormatter = function () {
|
|
if (defaultFormatter == null) {
|
|
defaultFormatter = new formatter_1.Formatter();
|
|
}
|
|
return defaultFormatter;
|
|
};
|
|
BaseProvider.getNetwork = function (network) {
|
|
return networks_1.getNetwork((network == null) ? "homestead" : network);
|
|
};
|
|
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];
|
|
}
|
|
_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;
|
|
}
|
|
_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);
|
|
// If the block has not changed, meh.
|
|
if (blockNumber === this._lastBlockNumber) {
|
|
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];
|
|
}
|
|
});
|
|
}
|
|
// First polling cycle
|
|
if (this._lastBlockNumber === -2) {
|
|
this._lastBlockNumber = blockNumber - 1;
|
|
}
|
|
// Find all transaction hashes we are waiting on
|
|
this._events.forEach(function (event) {
|
|
switch (event.type) {
|
|
case "tx": {
|
|
var hash_2 = event.hash;
|
|
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": {
|
|
var filter_1 = event.filter;
|
|
filter_1.fromBlock = _this._lastBlockNumber + 1;
|
|
filter_1.toBlock = blockNumber;
|
|
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];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
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 () {
|
|
return this._fastBlockNumber;
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(BaseProvider.prototype, "polling", {
|
|
get: function () {
|
|
return (this._poller != null);
|
|
},
|
|
set: function (value) {
|
|
var _this = this;
|
|
setTimeout(function () {
|
|
if (value && !_this._poller) {
|
|
_this._poller = setInterval(_this.poll.bind(_this), _this.pollingInterval);
|
|
_this.poll();
|
|
}
|
|
else if (!value && _this._poller) {
|
|
clearInterval(_this._poller);
|
|
_this._poller = null;
|
|
}
|
|
}, 0);
|
|
},
|
|
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
|
|
BaseProvider.prototype.waitForTransaction = function (transactionHash, confirmations, timeout) {
|
|
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
|
|
if ((receipt ? receipt.confirmations : 0) >= confirmations) {
|
|
return [2 /*return*/, receipt];
|
|
}
|
|
// Poll until the receipt is good...
|
|
return [2 /*return*/, new Promise(function (resolve, reject) {
|
|
var timer = null;
|
|
var done = false;
|
|
var handler = function (receipt) {
|
|
if (receipt.confirmations < confirmations) {
|
|
return;
|
|
}
|
|
if (timer) {
|
|
clearTimeout(timer);
|
|
}
|
|
if (done) {
|
|
return;
|
|
}
|
|
done = true;
|
|
_this.removeListener(transactionHash, handler);
|
|
resolve(receipt);
|
|
};
|
|
_this.on(transactionHash, handler);
|
|
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();
|
|
}
|
|
}
|
|
})];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getBlockNumber = function () {
|
|
return this._getInternalBlockNumber(0);
|
|
};
|
|
BaseProvider.prototype.getGasPrice = function () {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getBalance = function (addressOrName, blockTag) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getTransactionCount = function (addressOrName, blockTag) {
|
|
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()];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getCode = function (addressOrName, blockTag) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getStorageAt = function (addressOrName, position, blockTag) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
// 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) {
|
|
logger.throwError("Transaction hash mismatch from Provider.sendTransaction.", logger_1.Logger.errors.UNKNOWN_ERROR, { expectedHash: tx.hash, returnedHash: hash });
|
|
}
|
|
// @TODO: (confirmations? number, timeout? number)
|
|
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];
|
|
}
|
|
});
|
|
}); };
|
|
return result;
|
|
};
|
|
BaseProvider.prototype.sendTransaction = function (signedTransaction) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var hexTx, tx, hash, error_1;
|
|
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:
|
|
error_1 = _a.sent();
|
|
error_1.transaction = tx;
|
|
error_1.transactionHash = tx.hash;
|
|
throw error_1;
|
|
case 6: return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getTransactionRequest = function (transaction) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getFilter = function (filter) {
|
|
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;
|
|
return [4 /*yield*/, properties_1.resolveProperties(filter)];
|
|
case 3: return [2 /*return*/, _b.apply(_a, [_c.sent()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.call = function (transaction, blockTag) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.estimateGas = function (transaction) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getAddress = function (addressOrName) {
|
|
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];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getBlock = function (blockHashOrBlockTag, includeTransactions) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var blockNumber, params, _a, _b, _c, error_2;
|
|
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()]);
|
|
if (bytes_1.isHexString(params.blockTag)) {
|
|
blockNumber = parseInt(params.blockTag.substring(2), 16);
|
|
}
|
|
return [3 /*break*/, 7];
|
|
case 6:
|
|
error_2 = _d.sent();
|
|
logger.throwArgumentError("invalid block hash or block tag", "blockHashOrBlockTag", blockHashOrBlockTag);
|
|
return [3 /*break*/, 7];
|
|
case 7: return [2 /*return*/, web_1.poll(function () { return __awaiter(_this, void 0, void 0, function () {
|
|
var block, blockNumber_1, i, tx, confirmations;
|
|
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];
|
|
}
|
|
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;
|
|
}
|
|
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)];
|
|
}
|
|
});
|
|
}); }, { onceBlock: this })];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
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) {
|
|
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)];
|
|
}
|
|
});
|
|
}); }, { onceBlock: this })];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getTransactionReceipt = function (transactionHash) {
|
|
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];
|
|
}
|
|
});
|
|
}); }, { onceBlock: this })];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getLogs = function (filter) {
|
|
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();
|
|
logs.forEach(function (log) {
|
|
if (log.removed == null) {
|
|
log.removed = false;
|
|
}
|
|
});
|
|
return [2 /*return*/, formatter_1.Formatter.arrayOf(this.formatter.filterLog.bind(this.formatter))(logs)];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.getEtherPrice = function () {
|
|
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", {})];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getBlockTag = function (blockTag) {
|
|
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)];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype._getResolver = function (name) {
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.resolveName = function (name) {
|
|
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))];
|
|
}
|
|
catch (error) {
|
|
// If is is a hexstring, the address is bad (See #694)
|
|
if (bytes_1.isHexString(name)) {
|
|
throw error;
|
|
}
|
|
}
|
|
if (typeof (name) !== "string") {
|
|
logger.throwArgumentError("invalid ENS name", "name", name);
|
|
}
|
|
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()])];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.lookupAddress = function (address) {
|
|
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];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
BaseProvider.prototype.perform = function (method, params) {
|
|
return logger.throwError(method + " not implemented", logger_1.Logger.errors.NOT_IMPLEMENTED, { operation: method });
|
|
};
|
|
BaseProvider.prototype._startEvent = function (event) {
|
|
this.polling = (this._events.filter(function (e) { return e.pollable(); }).length > 0);
|
|
};
|
|
BaseProvider.prototype._stopEvent = function (event) {
|
|
this.polling = (this._events.filter(function (e) { return e.pollable(); }).length > 0);
|
|
};
|
|
BaseProvider.prototype._addEventListener = function (eventName, listener, once) {
|
|
var event = new Event(getEventTag(eventName), listener, once);
|
|
this._events.push(event);
|
|
this._startEvent(event);
|
|
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;
|
|
var stopped = [];
|
|
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;
|
|
if (event.once) {
|
|
stopped.push(event);
|
|
return false;
|
|
}
|
|
return true;
|
|
});
|
|
stopped.forEach(function (event) { _this._stopEvent(event); });
|
|
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) {
|
|
var _this = this;
|
|
if (listener == null) {
|
|
return this.removeAllListeners(eventName);
|
|
}
|
|
var stopped = [];
|
|
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;
|
|
stopped.push(event);
|
|
return false;
|
|
});
|
|
stopped.forEach(function (event) { _this._stopEvent(event); });
|
|
return this;
|
|
};
|
|
BaseProvider.prototype.removeAllListeners = function (eventName) {
|
|
var _this = this;
|
|
var stopped = [];
|
|
if (eventName == null) {
|
|
stopped = this._events;
|
|
this._events = [];
|
|
}
|
|
else {
|
|
var eventTag_1 = getEventTag(eventName);
|
|
this._events = this._events.filter(function (event) {
|
|
if (event.tag !== eventTag_1) {
|
|
return true;
|
|
}
|
|
stopped.push(event);
|
|
return false;
|
|
});
|
|
}
|
|
stopped.forEach(function (event) { _this._stopEvent(event); });
|
|
return this;
|
|
};
|
|
return BaseProvider;
|
|
}(abstract_provider_1.Provider));
|
|
exports.BaseProvider = BaseProvider;
|