ethers.js/packages/contracts/lib/index.js
2020-04-25 03:54:54 -04:00

920 lines
42 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());
});
};
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function verb(n) { return function (v) { return step([n, v]); }; }
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var __spreadArrays = (this && this.__spreadArrays) || function () {
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return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
var abi_1 = require("@ethersproject/abi");
var abstract_provider_1 = require("@ethersproject/abstract-provider");
var abstract_signer_1 = require("@ethersproject/abstract-signer");
var address_1 = require("@ethersproject/address");
var bignumber_1 = require("@ethersproject/bignumber");
var bytes_1 = require("@ethersproject/bytes");
var constants_1 = require("@ethersproject/constants");
var properties_1 = require("@ethersproject/properties");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
///////////////////////////////
var allowedTransactionKeys = {
chainId: true, data: true, from: true, gasLimit: true, gasPrice: true, nonce: true, to: true, value: true
};
// Recursively replaces ENS names with promises to resolve the name and resolves all properties
function resolveAddresses(signerOrProvider, value, paramType) {
if (Array.isArray(paramType)) {
return Promise.all(paramType.map(function (paramType, index) {
return resolveAddresses(signerOrProvider, ((Array.isArray(value)) ? value[index] : value[paramType.name]), paramType);
}));
}
if (paramType.type === "address") {
return signerOrProvider.resolveName(value);
}
if (paramType.type === "tuple") {
return resolveAddresses(signerOrProvider, value, paramType.components);
}
if (paramType.baseType === "array") {
if (!Array.isArray(value)) {
throw new Error("invalid value for array");
}
return Promise.all(value.map(function (v) { return resolveAddresses(signerOrProvider, v, paramType.arrayChildren); }));
}
return Promise.resolve(value);
}
/*
export function _populateTransaction(func: FunctionFragment, args: Array<any>, overrides?: any): Promise<Transaction> {
return null;
}
export function _sendTransaction(func: FunctionFragment, args: Array<any>, overrides?: any): Promise<Transaction> {
return null;
}
*/
function runMethod(contract, functionName, options) {
var method = contract.interface.functions[functionName];
return function () {
var _this = this;
var params = [];
for (var _i = 0; _i < arguments.length; _i++) {
params[_i] = arguments[_i];
}
var tx = {};
var blockTag = null;
// If 1 extra parameter was passed in, it contains overrides
if (params.length === method.inputs.length + 1 && typeof (params[params.length - 1]) === "object") {
tx = properties_1.shallowCopy(params.pop());
if (tx.blockTag != null) {
blockTag = tx.blockTag;
}
delete tx.blockTag;
// Check for unexpected keys (e.g. using "gas" instead of "gasLimit")
for (var key in tx) {
if (!allowedTransactionKeys[key]) {
logger.throwArgumentError(("unknown transaction override - " + key), "overrides", tx);
}
}
}
logger.checkArgumentCount(params.length, method.inputs.length, "passed to contract");
// Check overrides make sense
["data", "to"].forEach(function (key) {
if (tx[key] != null) {
logger.throwError("cannot override " + key, logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: key });
}
});
// If the contract was just deployed, wait until it is minded
if (contract.deployTransaction != null) {
tx.to = contract._deployed(blockTag).then(function () {
return contract.resolvedAddress;
});
}
else {
tx.to = contract.resolvedAddress;
}
return resolveAddresses(contract.signer || contract.provider, params, method.inputs).then(function (params) {
tx.data = contract.interface.encodeFunctionData(method, params);
if (method.constant || options.callStatic) {
// Call (constant functions) always cost 0 ether
if (options.estimate) {
return Promise.resolve(constants_1.Zero);
}
if (!contract.provider && !contract.signer) {
logger.throwError("call (constant functions) require a provider or signer", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "call" });
}
// Check overrides make sense
["gasLimit", "gasPrice", "value"].forEach(function (key) {
if (tx[key] != null) {
throw new Error("call cannot override " + key);
}
});
if (options.transaction) {
return properties_1.resolveProperties(tx);
}
return (contract.signer || contract.provider).call(tx, blockTag).then(function (value) {
try {
var result = contract.interface.decodeFunctionResult(method, value);
if (method.outputs.length === 1) {
result = result[0];
}
return result;
}
catch (error) {
if (error.code === logger_1.Logger.errors.CALL_EXCEPTION) {
error.address = contract.address;
error.args = params;
error.transaction = tx;
}
throw error;
}
});
}
// Only computing the transaction estimate
if (options.estimate) {
if (!contract.provider && !contract.signer) {
logger.throwError("estimate require a provider or signer", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "estimateGas" });
}
return (contract.signer || contract.provider).estimateGas(tx);
}
if (tx.gasLimit == null && method.gas != null) {
tx.gasLimit = bignumber_1.BigNumber.from(method.gas).add(21000);
}
if (tx.value != null && !method.payable) {
logger.throwArgumentError("contract method is not payable", "sendTransaction:" + method.format(), tx);
}
if (options.transaction) {
return properties_1.resolveProperties(tx);
}
if (!contract.signer) {
logger.throwError("sending a transaction requires a signer", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "sendTransaction" });
}
return contract.signer.sendTransaction(tx).then(function (tx) {
var wait = tx.wait.bind(tx);
tx.wait = function (confirmations) {
return wait(confirmations).then(function (receipt) {
receipt.events = receipt.logs.map(function (log) {
var event = properties_1.deepCopy(log);
var parsed = null;
try {
parsed = contract.interface.parseLog(log);
}
catch (e) { }
if (parsed) {
event.args = parsed.args;
event.decode = function (data, topics) {
return _this.interface.decodeEventLog(parsed.eventFragment, data, topics);
};
event.event = parsed.name;
event.eventSignature = parsed.signature;
}
event.removeListener = function () { return contract.provider; };
event.getBlock = function () {
return contract.provider.getBlock(receipt.blockHash);
};
event.getTransaction = function () {
return contract.provider.getTransaction(receipt.transactionHash);
};
event.getTransactionReceipt = function () {
return Promise.resolve(receipt);
};
return event;
});
return receipt;
});
};
return tx;
});
});
};
}
function getEventTag(filter) {
if (filter.address && (filter.topics == null || filter.topics.length === 0)) {
return "*";
}
return (filter.address || "*") + "@" + (filter.topics ? filter.topics.join(":") : "");
}
var RunningEvent = /** @class */ (function () {
function RunningEvent(tag, filter) {
properties_1.defineReadOnly(this, "tag", tag);
properties_1.defineReadOnly(this, "filter", filter);
this._listeners = [];
}
RunningEvent.prototype.addListener = function (listener, once) {
this._listeners.push({ listener: listener, once: once });
};
RunningEvent.prototype.removeListener = function (listener) {
var done = false;
this._listeners = this._listeners.filter(function (item) {
if (done || item.listener !== listener) {
return true;
}
done = true;
return false;
});
};
RunningEvent.prototype.removeAllListeners = function () {
this._listeners = [];
};
RunningEvent.prototype.listeners = function () {
return this._listeners.map(function (i) { return i.listener; });
};
RunningEvent.prototype.listenerCount = function () {
return this._listeners.length;
};
RunningEvent.prototype.run = function (args) {
var _this = this;
var listenerCount = this.listenerCount();
this._listeners = this._listeners.filter(function (item) {
var argsCopy = args.slice();
// Call the callback in the next event loop
setTimeout(function () {
item.listener.apply(_this, argsCopy);
}, 0);
// Reschedule it if it not "once"
return !(item.once);
});
return listenerCount;
};
RunningEvent.prototype.prepareEvent = function (event) {
};
// Returns the array that will be applied to an emit
RunningEvent.prototype.getEmit = function (event) {
return [event];
};
return RunningEvent;
}());
var ErrorRunningEvent = /** @class */ (function (_super) {
__extends(ErrorRunningEvent, _super);
function ErrorRunningEvent() {
return _super.call(this, "error", null) || this;
}
return ErrorRunningEvent;
}(RunningEvent));
// @TODO Fragment should inherit Wildcard? and just override getEmit?
// or have a common abstract super class, with enough constructor
// options to configure both.
// A Fragment Event will populate all the properties that Wildcard
// will, and additioanlly dereference the arguments when emitting
var FragmentRunningEvent = /** @class */ (function (_super) {
__extends(FragmentRunningEvent, _super);
function FragmentRunningEvent(address, contractInterface, fragment, topics) {
var _this = this;
var filter = {
address: address
};
var topic = contractInterface.getEventTopic(fragment);
if (topics) {
if (topic !== topics[0]) {
logger.throwArgumentError("topic mismatch", "topics", topics);
}
filter.topics = topics.slice();
}
else {
filter.topics = [topic];
}
_this = _super.call(this, getEventTag(filter), filter) || this;
properties_1.defineReadOnly(_this, "address", address);
properties_1.defineReadOnly(_this, "interface", contractInterface);
properties_1.defineReadOnly(_this, "fragment", fragment);
return _this;
}
FragmentRunningEvent.prototype.prepareEvent = function (event) {
var _this = this;
_super.prototype.prepareEvent.call(this, event);
event.event = this.fragment.name;
event.eventSignature = this.fragment.format();
event.decode = function (data, topics) {
return _this.interface.decodeEventLog(_this.fragment, data, topics);
};
try {
event.args = this.interface.decodeEventLog(this.fragment, event.data, event.topics);
}
catch (error) {
event.args = null;
event.decodeError = error;
}
};
FragmentRunningEvent.prototype.getEmit = function (event) {
var errors = abi_1.checkResultErrors(event.args);
if (errors.length) {
throw errors[0].error;
}
var args = (event.args || []).slice();
args.push(event);
return args;
};
return FragmentRunningEvent;
}(RunningEvent));
// A Wildard Event will attempt to populate:
// - event The name of the event name
// - eventSignature The full signature of the event
// - decode A function to decode data and topics
// - args The decoded data and topics
var WildcardRunningEvent = /** @class */ (function (_super) {
__extends(WildcardRunningEvent, _super);
function WildcardRunningEvent(address, contractInterface) {
var _this = _super.call(this, "*", { address: address }) || this;
properties_1.defineReadOnly(_this, "address", address);
properties_1.defineReadOnly(_this, "interface", contractInterface);
return _this;
}
WildcardRunningEvent.prototype.prepareEvent = function (event) {
var _this = this;
_super.prototype.prepareEvent.call(this, event);
try {
var parsed_1 = this.interface.parseLog(event);
event.event = parsed_1.name;
event.eventSignature = parsed_1.signature;
event.decode = function (data, topics) {
return _this.interface.decodeEventLog(parsed_1.eventFragment, data, topics);
};
event.args = parsed_1.args;
}
catch (error) {
// No matching event
}
};
return WildcardRunningEvent;
}(RunningEvent));
var Contract = /** @class */ (function () {
function Contract(addressOrName, contractInterface, signerOrProvider) {
var _newTarget = this.constructor;
var _this = this;
logger.checkNew(_newTarget, Contract);
// @TODO: Maybe still check the addressOrName looks like a valid address or name?
//address = getAddress(address);
properties_1.defineReadOnly(this, "interface", properties_1.getStatic((_newTarget), "getInterface")(contractInterface));
if (abstract_signer_1.Signer.isSigner(signerOrProvider)) {
properties_1.defineReadOnly(this, "provider", signerOrProvider.provider || null);
properties_1.defineReadOnly(this, "signer", signerOrProvider);
}
else if (abstract_provider_1.Provider.isProvider(signerOrProvider)) {
properties_1.defineReadOnly(this, "provider", signerOrProvider);
properties_1.defineReadOnly(this, "signer", null);
}
else {
logger.throwArgumentError("invalid signer or provider", "signerOrProvider", signerOrProvider);
}
properties_1.defineReadOnly(this, "callStatic", {});
properties_1.defineReadOnly(this, "estimateGas", {});
properties_1.defineReadOnly(this, "functions", {});
properties_1.defineReadOnly(this, "populateTransaction", {});
properties_1.defineReadOnly(this, "filters", {});
{
var uniqueFilters_1 = {};
Object.keys(this.interface.events).forEach(function (eventSignature) {
var event = _this.interface.events[eventSignature];
properties_1.defineReadOnly(_this.filters, eventSignature, function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return {
address: _this.address,
topics: _this.interface.encodeFilterTopics(event, args)
};
});
if (!uniqueFilters_1[event.name]) {
uniqueFilters_1[event.name] = [];
}
uniqueFilters_1[event.name].push(eventSignature);
});
Object.keys(uniqueFilters_1).forEach(function (name) {
var filters = uniqueFilters_1[name];
if (filters.length === 1) {
properties_1.defineReadOnly(_this.filters, name, _this.filters[filters[0]]);
}
else {
logger.warn("Duplicate definition of " + name + " (" + filters.join(", ") + ")");
}
});
}
properties_1.defineReadOnly(this, "_runningEvents", {});
properties_1.defineReadOnly(this, "_wrappedEmits", {});
properties_1.defineReadOnly(this, "address", addressOrName);
if (this.provider) {
properties_1.defineReadOnly(this, "resolvedAddress", this.provider.resolveName(addressOrName).then(function (address) {
if (address == null) {
throw new Error("name not found");
}
return address;
}).catch(function (error) {
console.log("ERROR: Cannot find Contract - " + addressOrName);
throw error;
}));
}
else {
try {
properties_1.defineReadOnly(this, "resolvedAddress", Promise.resolve((this.interface.constructor).getAddress(addressOrName)));
}
catch (error) {
// Without a provider, we cannot use ENS names
logger.throwArgumentError("provider is required to use non-address contract address", "addressOrName", addressOrName);
}
}
var uniqueFunctions = {};
Object.keys(this.interface.functions).forEach(function (name) {
var fragment = _this.interface.functions[name];
// @TODO: This should take in fragment
var run = runMethod(_this, name, {});
if (_this[name] == null) {
properties_1.defineReadOnly(_this, name, run);
}
if (_this.functions[name] == null) {
properties_1.defineReadOnly(_this.functions, name, run);
}
if (_this.callStatic[name] == null) {
properties_1.defineReadOnly(_this.callStatic, name, runMethod(_this, name, { callStatic: true }));
}
if (_this.populateTransaction[name] == null) {
properties_1.defineReadOnly(_this.populateTransaction, name, runMethod(_this, name, { transaction: true }));
}
if (_this.estimateGas[name] == null) {
properties_1.defineReadOnly(_this.estimateGas, name, runMethod(_this, name, { estimate: true }));
}
if (!uniqueFunctions[fragment.name]) {
uniqueFunctions[fragment.name] = [];
}
uniqueFunctions[fragment.name].push(name);
});
Object.keys(uniqueFunctions).forEach(function (name) {
var signatures = uniqueFunctions[name];
if (signatures.length > 1) {
logger.warn("Duplicate definition of " + name + " (" + signatures.join(", ") + ")");
return;
}
if (_this[name] == null) {
properties_1.defineReadOnly(_this, name, _this[signatures[0]]);
}
properties_1.defineReadOnly(_this.functions, name, _this.functions[signatures[0]]);
properties_1.defineReadOnly(_this.callStatic, name, _this.callStatic[signatures[0]]);
properties_1.defineReadOnly(_this.populateTransaction, name, _this.populateTransaction[signatures[0]]);
properties_1.defineReadOnly(_this.estimateGas, name, _this.estimateGas[signatures[0]]);
});
}
Contract.getContractAddress = function (transaction) {
return address_1.getContractAddress(transaction);
};
Contract.getInterface = function (contractInterface) {
if (abi_1.Interface.isInterface(contractInterface)) {
return contractInterface;
}
return new abi_1.Interface(contractInterface);
};
// @TODO: Allow timeout?
Contract.prototype.deployed = function () {
return this._deployed();
};
Contract.prototype._deployed = function (blockTag) {
var _this = this;
if (!this._deployedPromise) {
// If we were just deployed, we know the transaction we should occur in
if (this.deployTransaction) {
this._deployedPromise = this.deployTransaction.wait().then(function () {
return _this;
});
}
else {
// @TODO: Once we allow a timeout to be passed in, we will wait
// up to that many blocks for getCode
// Otherwise, poll for our code to be deployed
this._deployedPromise = this.provider.getCode(this.address, blockTag).then(function (code) {
if (code === "0x") {
logger.throwError("contract not deployed", logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
contractAddress: _this.address,
operation: "getDeployed"
});
}
return _this;
});
}
}
return this._deployedPromise;
};
// @TODO:
// estimateFallback(overrides?: TransactionRequest): Promise<BigNumber>
// @TODO:
// estimateDeploy(bytecode: string, ...args): Promise<BigNumber>
Contract.prototype.fallback = function (overrides) {
var _this = this;
if (!this.signer) {
logger.throwError("sending a transactions require a signer", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "sendTransaction(fallback)" });
}
var tx = properties_1.shallowCopy(overrides || {});
["from", "to"].forEach(function (key) {
if (tx[key] == null) {
return;
}
logger.throwError("cannot override " + key, logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: key });
});
tx.to = this.resolvedAddress;
return this.deployed().then(function () {
return _this.signer.sendTransaction(tx);
});
};
// Reconnect to a different signer or provider
Contract.prototype.connect = function (signerOrProvider) {
if (typeof (signerOrProvider) === "string") {
signerOrProvider = new abstract_signer_1.VoidSigner(signerOrProvider, this.provider);
}
var contract = new (this.constructor)(this.address, this.interface, signerOrProvider);
if (this.deployTransaction) {
properties_1.defineReadOnly(contract, "deployTransaction", this.deployTransaction);
}
return contract;
};
// Re-attach to a different on-chain instance of this contract
Contract.prototype.attach = function (addressOrName) {
return new (this.constructor)(addressOrName, this.interface, this.signer || this.provider);
};
Contract.isIndexed = function (value) {
return abi_1.Indexed.isIndexed(value);
};
Contract.prototype._normalizeRunningEvent = function (runningEvent) {
// Already have an instance of this event running; we can re-use it
if (this._runningEvents[runningEvent.tag]) {
return this._runningEvents[runningEvent.tag];
}
return runningEvent;
};
Contract.prototype._getRunningEvent = function (eventName) {
if (typeof (eventName) === "string") {
// Listen for "error" events (if your contract has an error event, include
// the full signature to bypass this special event keyword)
if (eventName === "error") {
return this._normalizeRunningEvent(new ErrorRunningEvent());
}
// Listen for any event that is registered
if (eventName === "event") {
return this._normalizeRunningEvent(new RunningEvent("event", null));
}
// Listen for any event
if (eventName === "*") {
return this._normalizeRunningEvent(new WildcardRunningEvent(this.address, this.interface));
}
// Get the event Fragment (throws if ambiguous/unknown event)
var fragment = this.interface.getEvent(eventName);
return this._normalizeRunningEvent(new FragmentRunningEvent(this.address, this.interface, fragment));
}
// We have topics to filter by...
if (eventName.topics && eventName.topics.length > 0) {
// Is it a known topichash? (throws if no matching topichash)
try {
var fragment = this.interface.getEvent(eventName.topics[0]);
return this._normalizeRunningEvent(new FragmentRunningEvent(this.address, this.interface, fragment, eventName.topics));
}
catch (error) { }
// Filter by the unknown topichash
var filter = {
address: this.address,
topics: eventName.topics
};
return this._normalizeRunningEvent(new RunningEvent(getEventTag(filter), filter));
}
return this._normalizeRunningEvent(new WildcardRunningEvent(this.address, this.interface));
};
Contract.prototype._checkRunningEvents = function (runningEvent) {
if (runningEvent.listenerCount() === 0) {
delete this._runningEvents[runningEvent.tag];
// If we have a poller for this, remove it
var emit = this._wrappedEmits[runningEvent.tag];
if (emit) {
this.provider.off(runningEvent.filter, emit);
delete this._wrappedEmits[runningEvent.tag];
}
}
};
// Subclasses can override this to gracefully recover
// from parse errors if they wish
Contract.prototype._wrapEvent = function (runningEvent, log, listener) {
var _this = this;
var event = properties_1.deepCopy(log);
event.removeListener = function () {
if (!listener) {
return;
}
runningEvent.removeListener(listener);
_this._checkRunningEvents(runningEvent);
};
event.getBlock = function () { return _this.provider.getBlock(log.blockHash); };
event.getTransaction = function () { return _this.provider.getTransaction(log.transactionHash); };
event.getTransactionReceipt = function () { return _this.provider.getTransactionReceipt(log.transactionHash); };
// This may throw if the topics and data mismatch the signature
runningEvent.prepareEvent(event);
return event;
};
Contract.prototype._addEventListener = function (runningEvent, listener, once) {
var _this = this;
if (!this.provider) {
logger.throwError("events require a provider or a signer with a provider", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "once" });
}
runningEvent.addListener(listener, once);
// Track this running event and its listeners (may already be there; but no hard in updating)
this._runningEvents[runningEvent.tag] = runningEvent;
// If we are not polling the provider, start polling
if (!this._wrappedEmits[runningEvent.tag]) {
var wrappedEmit = function (log) {
var event = _this._wrapEvent(runningEvent, log, listener);
// Try to emit the result for the parameterized event...
if (event.decodeError == null) {
try {
var args = runningEvent.getEmit(event);
_this.emit.apply(_this, __spreadArrays([runningEvent.filter], args));
}
catch (error) {
event.decodeError = error.error;
}
}
// Always emit "event" for fragment-base events
if (runningEvent.filter != null) {
_this.emit("event", event);
}
// Emit "error" if there was an error
if (event.decodeError != null) {
_this.emit("error", event.decodeError, event);
}
};
this._wrappedEmits[runningEvent.tag] = wrappedEmit;
// Special events, like "error" do not have a filter
if (runningEvent.filter != null) {
this.provider.on(runningEvent.filter, wrappedEmit);
}
}
};
Contract.prototype.queryFilter = function (event, fromBlockOrBlockhash, toBlock) {
var _this = this;
var runningEvent = this._getRunningEvent(event);
var filter = properties_1.shallowCopy(runningEvent.filter);
if (typeof (fromBlockOrBlockhash) === "string" && bytes_1.isHexString(fromBlockOrBlockhash, 32)) {
if (toBlock != null) {
logger.throwArgumentError("cannot specify toBlock with blockhash", "toBlock", toBlock);
}
filter.blockhash = fromBlockOrBlockhash;
}
else {
filter.fromBlock = ((fromBlockOrBlockhash != null) ? fromBlockOrBlockhash : 0);
filter.toBlock = ((toBlock != null) ? toBlock : "latest");
}
return this.provider.getLogs(filter).then(function (logs) {
return logs.map(function (log) { return _this._wrapEvent(runningEvent, log, null); });
});
};
Contract.prototype.on = function (event, listener) {
this._addEventListener(this._getRunningEvent(event), listener, false);
return this;
};
Contract.prototype.once = function (event, listener) {
this._addEventListener(this._getRunningEvent(event), listener, true);
return this;
};
Contract.prototype.emit = function (eventName) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
if (!this.provider) {
return false;
}
var runningEvent = this._getRunningEvent(eventName);
var result = (runningEvent.run(args) > 0);
// May have drained all the "once" events; check for living events
this._checkRunningEvents(runningEvent);
return result;
};
Contract.prototype.listenerCount = function (eventName) {
if (!this.provider) {
return 0;
}
return this._getRunningEvent(eventName).listenerCount();
};
Contract.prototype.listeners = function (eventName) {
if (!this.provider) {
return [];
}
if (eventName == null) {
var result_1 = [];
for (var tag in this._runningEvents) {
this._runningEvents[tag].listeners().forEach(function (listener) {
result_1.push(listener);
});
}
return result_1;
}
return this._getRunningEvent(eventName).listeners();
};
Contract.prototype.removeAllListeners = function (eventName) {
if (!this.provider) {
return this;
}
if (eventName == null) {
for (var tag in this._runningEvents) {
var runningEvent_1 = this._runningEvents[tag];
runningEvent_1.removeAllListeners();
this._checkRunningEvents(runningEvent_1);
}
return this;
}
// Delete any listeners
var runningEvent = this._getRunningEvent(eventName);
runningEvent.removeAllListeners();
this._checkRunningEvents(runningEvent);
return this;
};
Contract.prototype.off = function (eventName, listener) {
if (!this.provider) {
return this;
}
var runningEvent = this._getRunningEvent(eventName);
runningEvent.removeListener(listener);
this._checkRunningEvents(runningEvent);
return this;
};
Contract.prototype.removeListener = function (eventName, listener) {
return this.off(eventName, listener);
};
return Contract;
}());
exports.Contract = Contract;
var ContractFactory = /** @class */ (function () {
function ContractFactory(contractInterface, bytecode, signer) {
var _newTarget = this.constructor;
var bytecodeHex = null;
if (typeof (bytecode) === "string") {
bytecodeHex = bytecode;
}
else if (bytes_1.isBytes(bytecode)) {
bytecodeHex = bytes_1.hexlify(bytecode);
}
else if (bytecode && typeof (bytecode.object) === "string") {
// Allow the bytecode object from the Solidity compiler
bytecodeHex = bytecode.object;
}
else {
// Crash in the next verification step
bytecodeHex = "!";
}
// Make sure it is 0x prefixed
if (bytecodeHex.substring(0, 2) !== "0x") {
bytecodeHex = "0x" + bytecodeHex;
}
// Make sure the final result is valid bytecode
if (!bytes_1.isHexString(bytecodeHex) || (bytecodeHex.length % 2)) {
logger.throwArgumentError("invalid bytecode", "bytecode", bytecode);
}
// If we have a signer, make sure it is valid
if (signer && !abstract_signer_1.Signer.isSigner(signer)) {
logger.throwArgumentError("invalid signer", "signer", signer);
}
properties_1.defineReadOnly(this, "bytecode", bytecodeHex);
properties_1.defineReadOnly(this, "interface", properties_1.getStatic((_newTarget), "getInterface")(contractInterface));
properties_1.defineReadOnly(this, "signer", signer || null);
}
ContractFactory.prototype.getDeployTransaction = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var tx = {};
// If we have 1 additional argument, we allow transaction overrides
if (args.length === this.interface.deploy.inputs.length + 1 && typeof (args[args.length - 1]) === "object") {
tx = properties_1.shallowCopy(args.pop());
for (var key in tx) {
if (!allowedTransactionKeys[key]) {
throw new Error("unknown transaction override " + key);
}
}
}
// Do not allow these to be overridden in a deployment transaction
["data", "from", "to"].forEach(function (key) {
if (tx[key] == null) {
return;
}
logger.throwError("cannot override " + key, logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: key });
});
// Make sure the call matches the constructor signature
logger.checkArgumentCount(args.length, this.interface.deploy.inputs.length, " in Contract constructor");
// Set the data to the bytecode + the encoded constructor arguments
tx.data = bytes_1.hexlify(bytes_1.concat([
this.bytecode,
this.interface.encodeDeploy(args)
]));
return tx;
};
ContractFactory.prototype.deploy = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return __awaiter(this, void 0, void 0, function () {
var overrides, params, unsignedTx, tx, address, contract;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
overrides = {};
// If 1 extra parameter was passed in, it contains overrides
if (args.length === this.interface.deploy.inputs.length + 1) {
overrides = args.pop();
}
// Make sure the call matches the constructor signature
logger.checkArgumentCount(args.length, this.interface.deploy.inputs.length, " in Contract constructor");
return [4 /*yield*/, resolveAddresses(this.signer, args, this.interface.deploy.inputs)];
case 1:
params = _a.sent();
params.push(overrides);
unsignedTx = this.getDeployTransaction.apply(this, params);
return [4 /*yield*/, this.signer.sendTransaction(unsignedTx)];
case 2:
tx = _a.sent();
address = properties_1.getStatic(this.constructor, "getContractAddress")(tx);
contract = properties_1.getStatic(this.constructor, "getContract")(address, this.interface, this.signer);
properties_1.defineReadOnly(contract, "deployTransaction", tx);
return [2 /*return*/, contract];
}
});
});
};
ContractFactory.prototype.attach = function (address) {
return (this.constructor).getContract(address, this.interface, this.signer);
};
ContractFactory.prototype.connect = function (signer) {
return new (this.constructor)(this.interface, this.bytecode, signer);
};
ContractFactory.fromSolidity = function (compilerOutput, signer) {
if (compilerOutput == null) {
logger.throwError("missing compiler output", logger_1.Logger.errors.MISSING_ARGUMENT, { argument: "compilerOutput" });
}
if (typeof (compilerOutput) === "string") {
compilerOutput = JSON.parse(compilerOutput);
}
var abi = compilerOutput.abi;
var bytecode = null;
if (compilerOutput.bytecode) {
bytecode = compilerOutput.bytecode;
}
else if (compilerOutput.evm && compilerOutput.evm.bytecode) {
bytecode = compilerOutput.evm.bytecode;
}
return new this(abi, bytecode, signer);
};
ContractFactory.getInterface = function (contractInterface) {
return Contract.getInterface(contractInterface);
};
ContractFactory.getContractAddress = function (tx) {
return address_1.getContractAddress(tx);
};
ContractFactory.getContract = function (address, contractInterface, signer) {
return new Contract(address, contractInterface, signer);
};
return ContractFactory;
}());
exports.ContractFactory = ContractFactory;