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Текущая директория: /var/www/bitcardoApp/node_modules/ethers/lib.commonjs/contract
Просмотр файла: contract.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Contract = exports.BaseContract = exports.resolveArgs = exports.copyOverrides = void 0;
const index_js_1 = require("../abi/index.js");
const index_js_2 = require("../address/index.js");
// import from provider.ts instead of index.ts to prevent circular dep
// from EtherscanProvider
const provider_js_1 = require("../providers/provider.js");
const index_js_3 = require("../utils/index.js");
const wrappers_js_1 = require("./wrappers.js");
const BN_0 = BigInt(0);
function canCall(value) {
return (value && typeof (value.call) === "function");
}
function canEstimate(value) {
return (value && typeof (value.estimateGas) === "function");
}
function canResolve(value) {
return (value && typeof (value.resolveName) === "function");
}
function canSend(value) {
return (value && typeof (value.sendTransaction) === "function");
}
function getResolver(value) {
if (value != null) {
if (canResolve(value)) {
return value;
}
if (value.provider) {
return value.provider;
}
}
return undefined;
}
class PreparedTopicFilter {
#filter;
fragment;
constructor(contract, fragment, args) {
(0, index_js_3.defineProperties)(this, { fragment });
if (fragment.inputs.length < args.length) {
throw new Error("too many arguments");
}
// Recursively descend into args and resolve any addresses
const runner = getRunner(contract.runner, "resolveName");
const resolver = canResolve(runner) ? runner : null;
this.#filter = (async function () {
const resolvedArgs = await Promise.all(fragment.inputs.map((param, index) => {
const arg = args[index];
if (arg == null) {
return null;
}
return param.walkAsync(args[index], (type, value) => {
if (type === "address") {
if (Array.isArray(value)) {
return Promise.all(value.map((v) => (0, index_js_2.resolveAddress)(v, resolver)));
}
return (0, index_js_2.resolveAddress)(value, resolver);
}
return value;
});
}));
return contract.interface.encodeFilterTopics(fragment, resolvedArgs);
})();
}
getTopicFilter() {
return this.#filter;
}
}
// A = Arguments passed in as a tuple
// R = The result type of the call (i.e. if only one return type,
// the qualified type, otherwise Result)
// D = The type the default call will return (i.e. R for view/pure,
// TransactionResponse otherwise)
//export interface ContractMethod<A extends Array<any> = Array<any>, R = any, D extends R | ContractTransactionResponse = ContractTransactionResponse> {
function getRunner(value, feature) {
if (value == null) {
return null;
}
if (typeof (value[feature]) === "function") {
return value;
}
if (value.provider && typeof (value.provider[feature]) === "function") {
return value.provider;
}
return null;
}
function getProvider(value) {
if (value == null) {
return null;
}
return value.provider || null;
}
/**
* @_ignore:
*/
async function copyOverrides(arg, allowed) {
// Make sure the overrides passed in are a valid overrides object
const _overrides = index_js_1.Typed.dereference(arg, "overrides");
(0, index_js_3.assertArgument)(typeof (_overrides) === "object", "invalid overrides parameter", "overrides", arg);
// Create a shallow copy (we'll deep-ify anything needed during normalizing)
const overrides = (0, provider_js_1.copyRequest)(_overrides);
(0, index_js_3.assertArgument)(overrides.to == null || (allowed || []).indexOf("to") >= 0, "cannot override to", "overrides.to", overrides.to);
(0, index_js_3.assertArgument)(overrides.data == null || (allowed || []).indexOf("data") >= 0, "cannot override data", "overrides.data", overrides.data);
// Resolve any from
if (overrides.from) {
overrides.from = overrides.from;
}
return overrides;
}
exports.copyOverrides = copyOverrides;
/**
* @_ignore:
*/
async function resolveArgs(_runner, inputs, args) {
// Recursively descend into args and resolve any addresses
const runner = getRunner(_runner, "resolveName");
const resolver = canResolve(runner) ? runner : null;
return await Promise.all(inputs.map((param, index) => {
return param.walkAsync(args[index], (type, value) => {
value = index_js_1.Typed.dereference(value, type);
if (type === "address") {
return (0, index_js_2.resolveAddress)(value, resolver);
}
return value;
});
}));
}
exports.resolveArgs = resolveArgs;
function buildWrappedFallback(contract) {
const populateTransaction = async function (overrides) {
// If an overrides was passed in, copy it and normalize the values
const tx = (await copyOverrides(overrides, ["data"]));
tx.to = await contract.getAddress();
if (tx.from) {
tx.from = await (0, index_js_2.resolveAddress)(tx.from, getResolver(contract.runner));
}
const iface = contract.interface;
const noValue = ((0, index_js_3.getBigInt)((tx.value || BN_0), "overrides.value") === BN_0);
const noData = ((tx.data || "0x") === "0x");
if (iface.fallback && !iface.fallback.payable && iface.receive && !noData && !noValue) {
(0, index_js_3.assertArgument)(false, "cannot send data to receive or send value to non-payable fallback", "overrides", overrides);
}
(0, index_js_3.assertArgument)(iface.fallback || noData, "cannot send data to receive-only contract", "overrides.data", tx.data);
// Only allow payable contracts to set non-zero value
const payable = iface.receive || (iface.fallback && iface.fallback.payable);
(0, index_js_3.assertArgument)(payable || noValue, "cannot send value to non-payable fallback", "overrides.value", tx.value);
// Only allow fallback contracts to set non-empty data
(0, index_js_3.assertArgument)(iface.fallback || noData, "cannot send data to receive-only contract", "overrides.data", tx.data);
return tx;
};
const staticCall = async function (overrides) {
const runner = getRunner(contract.runner, "call");
(0, index_js_3.assert)(canCall(runner), "contract runner does not support calling", "UNSUPPORTED_OPERATION", { operation: "call" });
const tx = await populateTransaction(overrides);
try {
return await runner.call(tx);
}
catch (error) {
if ((0, index_js_3.isCallException)(error) && error.data) {
throw contract.interface.makeError(error.data, tx);
}
throw error;
}
};
const send = async function (overrides) {
const runner = contract.runner;
(0, index_js_3.assert)(canSend(runner), "contract runner does not support sending transactions", "UNSUPPORTED_OPERATION", { operation: "sendTransaction" });
const tx = await runner.sendTransaction(await populateTransaction(overrides));
const provider = getProvider(contract.runner);
// @TODO: the provider can be null; make a custom dummy provider that will throw a
// meaningful error
return new wrappers_js_1.ContractTransactionResponse(contract.interface, provider, tx);
};
const estimateGas = async function (overrides) {
const runner = getRunner(contract.runner, "estimateGas");
(0, index_js_3.assert)(canEstimate(runner), "contract runner does not support gas estimation", "UNSUPPORTED_OPERATION", { operation: "estimateGas" });
return await runner.estimateGas(await populateTransaction(overrides));
};
const method = async (overrides) => {
return await send(overrides);
};
(0, index_js_3.defineProperties)(method, {
_contract: contract,
estimateGas,
populateTransaction,
send, staticCall
});
return method;
}
function buildWrappedMethod(contract, key) {
const getFragment = function (...args) {
const fragment = contract.interface.getFunction(key, args);
(0, index_js_3.assert)(fragment, "no matching fragment", "UNSUPPORTED_OPERATION", {
operation: "fragment",
info: { key, args }
});
return fragment;
};
const populateTransaction = async function (...args) {
const fragment = getFragment(...args);
// If an overrides was passed in, copy it and normalize the values
let overrides = {};
if (fragment.inputs.length + 1 === args.length) {
overrides = await copyOverrides(args.pop());
if (overrides.from) {
overrides.from = await (0, index_js_2.resolveAddress)(overrides.from, getResolver(contract.runner));
}
}
if (fragment.inputs.length !== args.length) {
throw new Error("internal error: fragment inputs doesn't match arguments; should not happen");
}
const resolvedArgs = await resolveArgs(contract.runner, fragment.inputs, args);
return Object.assign({}, overrides, await (0, index_js_3.resolveProperties)({
to: contract.getAddress(),
data: contract.interface.encodeFunctionData(fragment, resolvedArgs)
}));
};
const staticCall = async function (...args) {
const result = await staticCallResult(...args);
if (result.length === 1) {
return result[0];
}
return result;
};
const send = async function (...args) {
const runner = contract.runner;
(0, index_js_3.assert)(canSend(runner), "contract runner does not support sending transactions", "UNSUPPORTED_OPERATION", { operation: "sendTransaction" });
const tx = await runner.sendTransaction(await populateTransaction(...args));
const provider = getProvider(contract.runner);
// @TODO: the provider can be null; make a custom dummy provider that will throw a
// meaningful error
return new wrappers_js_1.ContractTransactionResponse(contract.interface, provider, tx);
};
const estimateGas = async function (...args) {
const runner = getRunner(contract.runner, "estimateGas");
(0, index_js_3.assert)(canEstimate(runner), "contract runner does not support gas estimation", "UNSUPPORTED_OPERATION", { operation: "estimateGas" });
return await runner.estimateGas(await populateTransaction(...args));
};
const staticCallResult = async function (...args) {
const runner = getRunner(contract.runner, "call");
(0, index_js_3.assert)(canCall(runner), "contract runner does not support calling", "UNSUPPORTED_OPERATION", { operation: "call" });
const tx = await populateTransaction(...args);
let result = "0x";
try {
result = await runner.call(tx);
}
catch (error) {
if ((0, index_js_3.isCallException)(error) && error.data) {
throw contract.interface.makeError(error.data, tx);
}
throw error;
}
const fragment = getFragment(...args);
return contract.interface.decodeFunctionResult(fragment, result);
};
const method = async (...args) => {
const fragment = getFragment(...args);
if (fragment.constant) {
return await staticCall(...args);
}
return await send(...args);
};
(0, index_js_3.defineProperties)(method, {
name: contract.interface.getFunctionName(key),
_contract: contract, _key: key,
getFragment,
estimateGas,
populateTransaction,
send, staticCall, staticCallResult,
});
// Only works on non-ambiguous keys (refined fragment is always non-ambiguous)
Object.defineProperty(method, "fragment", {
configurable: false,
enumerable: true,
get: () => {
const fragment = contract.interface.getFunction(key);
(0, index_js_3.assert)(fragment, "no matching fragment", "UNSUPPORTED_OPERATION", {
operation: "fragment",
info: { key }
});
return fragment;
}
});
return method;
}
function buildWrappedEvent(contract, key) {
const getFragment = function (...args) {
const fragment = contract.interface.getEvent(key, args);
(0, index_js_3.assert)(fragment, "no matching fragment", "UNSUPPORTED_OPERATION", {
operation: "fragment",
info: { key, args }
});
return fragment;
};
const method = function (...args) {
return new PreparedTopicFilter(contract, getFragment(...args), args);
};
(0, index_js_3.defineProperties)(method, {
name: contract.interface.getEventName(key),
_contract: contract, _key: key,
getFragment
});
// Only works on non-ambiguous keys (refined fragment is always non-ambiguous)
Object.defineProperty(method, "fragment", {
configurable: false,
enumerable: true,
get: () => {
const fragment = contract.interface.getEvent(key);
(0, index_js_3.assert)(fragment, "no matching fragment", "UNSUPPORTED_OPERATION", {
operation: "fragment",
info: { key }
});
return fragment;
}
});
return method;
}
// The combination of TypeScrype, Private Fields and Proxies makes
// the world go boom; so we hide variables with some trickery keeping
// a symbol attached to each BaseContract which its sub-class (even
// via a Proxy) can reach and use to look up its internal values.
const internal = Symbol.for("_ethersInternal_contract");
const internalValues = new WeakMap();
function setInternal(contract, values) {
internalValues.set(contract[internal], values);
}
function getInternal(contract) {
return internalValues.get(contract[internal]);
}
function isDeferred(value) {
return (value && typeof (value) === "object" && ("getTopicFilter" in value) &&
(typeof (value.getTopicFilter) === "function") && value.fragment);
}
async function getSubInfo(contract, event) {
let topics;
let fragment = null;
// Convert named events to topicHash and get the fragment for
// events which need deconstructing.
if (Array.isArray(event)) {
const topicHashify = function (name) {
if ((0, index_js_3.isHexString)(name, 32)) {
return name;
}
const fragment = contract.interface.getEvent(name);
(0, index_js_3.assertArgument)(fragment, "unknown fragment", "name", name);
return fragment.topicHash;
};
// Array of Topics and Names; e.g. `[ "0x1234...89ab", "Transfer(address)" ]`
topics = event.map((e) => {
if (e == null) {
return null;
}
if (Array.isArray(e)) {
return e.map(topicHashify);
}
return topicHashify(e);
});
}
else if (event === "*") {
topics = [null];
}
else if (typeof (event) === "string") {
if ((0, index_js_3.isHexString)(event, 32)) {
// Topic Hash
topics = [event];
}
else {
// Name or Signature; e.g. `"Transfer", `"Transfer(address)"`
fragment = contract.interface.getEvent(event);
(0, index_js_3.assertArgument)(fragment, "unknown fragment", "event", event);
topics = [fragment.topicHash];
}
}
else if (isDeferred(event)) {
// Deferred Topic Filter; e.g. `contract.filter.Transfer(from)`
topics = await event.getTopicFilter();
}
else if ("fragment" in event) {
// ContractEvent; e.g. `contract.filter.Transfer`
fragment = event.fragment;
topics = [fragment.topicHash];
}
else {
(0, index_js_3.assertArgument)(false, "unknown event name", "event", event);
}
// Normalize topics and sort TopicSets
topics = topics.map((t) => {
if (t == null) {
return null;
}
if (Array.isArray(t)) {
const items = Array.from(new Set(t.map((t) => t.toLowerCase())).values());
if (items.length === 1) {
return items[0];
}
items.sort();
return items;
}
return t.toLowerCase();
});
const tag = topics.map((t) => {
if (t == null) {
return "null";
}
if (Array.isArray(t)) {
return t.join("|");
}
return t;
}).join("&");
return { fragment, tag, topics };
}
async function hasSub(contract, event) {
const { subs } = getInternal(contract);
return subs.get((await getSubInfo(contract, event)).tag) || null;
}
async function getSub(contract, operation, event) {
// Make sure our runner can actually subscribe to events
const provider = getProvider(contract.runner);
(0, index_js_3.assert)(provider, "contract runner does not support subscribing", "UNSUPPORTED_OPERATION", { operation });
const { fragment, tag, topics } = await getSubInfo(contract, event);
const { addr, subs } = getInternal(contract);
let sub = subs.get(tag);
if (!sub) {
const address = (addr ? addr : contract);
const filter = { address, topics };
const listener = (log) => {
let foundFragment = fragment;
if (foundFragment == null) {
try {
foundFragment = contract.interface.getEvent(log.topics[0]);
}
catch (error) { }
}
// If fragment is null, we do not deconstruct the args to emit
if (foundFragment) {
const _foundFragment = foundFragment;
const args = fragment ? contract.interface.decodeEventLog(fragment, log.data, log.topics) : [];
emit(contract, event, args, (listener) => {
return new wrappers_js_1.ContractEventPayload(contract, listener, event, _foundFragment, log);
});
}
else {
emit(contract, event, [], (listener) => {
return new wrappers_js_1.ContractUnknownEventPayload(contract, listener, event, log);
});
}
};
let starting = [];
const start = () => {
if (starting.length) {
return;
}
starting.push(provider.on(filter, listener));
};
const stop = async () => {
if (starting.length == 0) {
return;
}
let started = starting;
starting = [];
await Promise.all(started);
provider.off(filter, listener);
};
sub = { tag, listeners: [], start, stop };
subs.set(tag, sub);
}
return sub;
}
// We use this to ensure one emit resolves before firing the next to
// ensure correct ordering (note this cannot throw and just adds the
// notice to the event queu using setTimeout).
let lastEmit = Promise.resolve();
async function _emit(contract, event, args, payloadFunc) {
await lastEmit;
const sub = await hasSub(contract, event);
if (!sub) {
return false;
}
const count = sub.listeners.length;
sub.listeners = sub.listeners.filter(({ listener, once }) => {
const passArgs = Array.from(args);
if (payloadFunc) {
passArgs.push(payloadFunc(once ? null : listener));
}
try {
listener.call(contract, ...passArgs);
}
catch (error) { }
return !once;
});
if (sub.listeners.length === 0) {
sub.stop();
getInternal(contract).subs.delete(sub.tag);
}
return (count > 0);
}
async function emit(contract, event, args, payloadFunc) {
try {
await lastEmit;
}
catch (error) { }
const resultPromise = _emit(contract, event, args, payloadFunc);
lastEmit = resultPromise;
return await resultPromise;
}
const passProperties = ["then"];
class BaseContract {
/**
* The target to connect to.
*
* This can be an address, ENS name or any [[Addressable]], such as
* another contract. To get the resovled address, use the ``getAddress``
* method.
*/
target;
/**
* The contract Interface.
*/
interface;
/**
* The connected runner. This is generally a [[Provider]] or a
* [[Signer]], which dictates what operations are supported.
*
* For example, a **Contract** connected to a [[Provider]] may
* only execute read-only operations.
*/
runner;
/**
* All the Events available on this contract.
*/
filters;
/**
* @_ignore:
*/
[internal];
/**
* The fallback or receive function if any.
*/
fallback;
/**
* Creates a new contract connected to %%target%% with the %%abi%% and
* optionally connected to a %%runner%% to perform operations on behalf
* of.
*/
constructor(target, abi, runner, _deployTx) {
(0, index_js_3.assertArgument)(typeof (target) === "string" || (0, index_js_2.isAddressable)(target), "invalid value for Contract target", "target", target);
if (runner == null) {
runner = null;
}
const iface = index_js_1.Interface.from(abi);
(0, index_js_3.defineProperties)(this, { target, runner, interface: iface });
Object.defineProperty(this, internal, { value: {} });
let addrPromise;
let addr = null;
let deployTx = null;
if (_deployTx) {
const provider = getProvider(runner);
// @TODO: the provider can be null; make a custom dummy provider that will throw a
// meaningful error
deployTx = new wrappers_js_1.ContractTransactionResponse(this.interface, provider, _deployTx);
}
let subs = new Map();
// Resolve the target as the address
if (typeof (target) === "string") {
if ((0, index_js_3.isHexString)(target)) {
addr = target;
addrPromise = Promise.resolve(target);
}
else {
const resolver = getRunner(runner, "resolveName");
if (!canResolve(resolver)) {
throw (0, index_js_3.makeError)("contract runner does not support name resolution", "UNSUPPORTED_OPERATION", {
operation: "resolveName"
});
}
addrPromise = resolver.resolveName(target).then((addr) => {
if (addr == null) {
throw (0, index_js_3.makeError)("an ENS name used for a contract target must be correctly configured", "UNCONFIGURED_NAME", {
value: target
});
}
getInternal(this).addr = addr;
return addr;
});
}
}
else {
addrPromise = target.getAddress().then((addr) => {
if (addr == null) {
throw new Error("TODO");
}
getInternal(this).addr = addr;
return addr;
});
}
// Set our private values
setInternal(this, { addrPromise, addr, deployTx, subs });
// Add the event filters
const filters = new Proxy({}, {
get: (target, prop, receiver) => {
// Pass important checks (like `then` for Promise) through
if (typeof (prop) === "symbol" || passProperties.indexOf(prop) >= 0) {
return Reflect.get(target, prop, receiver);
}
try {
return this.getEvent(prop);
}
catch (error) {
if (!(0, index_js_3.isError)(error, "INVALID_ARGUMENT") || error.argument !== "key") {
throw error;
}
}
return undefined;
},
has: (target, prop) => {
// Pass important checks (like `then` for Promise) through
if (passProperties.indexOf(prop) >= 0) {
return Reflect.has(target, prop);
}
return Reflect.has(target, prop) || this.interface.hasEvent(String(prop));
}
});
(0, index_js_3.defineProperties)(this, { filters });
(0, index_js_3.defineProperties)(this, {
fallback: ((iface.receive || iface.fallback) ? (buildWrappedFallback(this)) : null)
});
// Return a Proxy that will respond to functions
return new Proxy(this, {
get: (target, prop, receiver) => {
if (typeof (prop) === "symbol" || prop in target || passProperties.indexOf(prop) >= 0) {
return Reflect.get(target, prop, receiver);
}
// Undefined properties should return undefined
try {
return target.getFunction(prop);
}
catch (error) {
if (!(0, index_js_3.isError)(error, "INVALID_ARGUMENT") || error.argument !== "key") {
throw error;
}
}
return undefined;
},
has: (target, prop) => {
if (typeof (prop) === "symbol" || prop in target || passProperties.indexOf(prop) >= 0) {
return Reflect.has(target, prop);
}
return target.interface.hasFunction(prop);
}
});
}
/**
* Return a new Contract instance with the same target and ABI, but
* a different %%runner%%.
*/
connect(runner) {
return new BaseContract(this.target, this.interface, runner);
}
/**
* Return a new Contract instance with the same ABI and runner, but
* a different %%target%%.
*/
attach(target) {
return new BaseContract(target, this.interface, this.runner);
}
/**
* Return the resolved address of this Contract.
*/
async getAddress() { return await getInternal(this).addrPromise; }
/**
* Return the deployed bytecode or null if no bytecode is found.
*/
async getDeployedCode() {
const provider = getProvider(this.runner);
(0, index_js_3.assert)(provider, "runner does not support .provider", "UNSUPPORTED_OPERATION", { operation: "getDeployedCode" });
const code = await provider.getCode(await this.getAddress());
if (code === "0x") {
return null;
}
return code;
}
/**
* Resolve to this Contract once the bytecode has been deployed, or
* resolve immediately if already deployed.
*/
async waitForDeployment() {
// We have the deployement transaction; just use that (throws if deployement fails)
const deployTx = this.deploymentTransaction();
if (deployTx) {
await deployTx.wait();
return this;
}
// Check for code
const code = await this.getDeployedCode();
if (code != null) {
return this;
}
// Make sure we can subscribe to a provider event
const provider = getProvider(this.runner);
(0, index_js_3.assert)(provider != null, "contract runner does not support .provider", "UNSUPPORTED_OPERATION", { operation: "waitForDeployment" });
return new Promise((resolve, reject) => {
const checkCode = async () => {
try {
const code = await this.getDeployedCode();
if (code != null) {
return resolve(this);
}
provider.once("block", checkCode);
}
catch (error) {
reject(error);
}
};
checkCode();
});
}
/**
* Return the transaction used to deploy this contract.
*
* This is only available if this instance was returned from a
* [[ContractFactory]].
*/
deploymentTransaction() {
return getInternal(this).deployTx;
}
/**
* Return the function for a given name. This is useful when a contract
* method name conflicts with a JavaScript name such as ``prototype`` or
* when using a Contract programatically.
*/
getFunction(key) {
if (typeof (key) !== "string") {
key = key.format();
}
const func = buildWrappedMethod(this, key);
return func;
}
/**
* Return the event for a given name. This is useful when a contract
* event name conflicts with a JavaScript name such as ``prototype`` or
* when using a Contract programatically.
*/
getEvent(key) {
if (typeof (key) !== "string") {
key = key.format();
}
return buildWrappedEvent(this, key);
}
/**
* @_ignore:
*/
async queryTransaction(hash) {
throw new Error("@TODO");
}
/*
// @TODO: this is a non-backwards compatible change, but will be added
// in v7 and in a potential SmartContract class in an upcoming
// v6 release
async getTransactionReceipt(hash: string): Promise<null | ContractTransactionReceipt> {
const provider = getProvider(this.runner);
assert(provider, "contract runner does not have a provider",
"UNSUPPORTED_OPERATION", { operation: "queryTransaction" });
const receipt = await provider.getTransactionReceipt(hash);
if (receipt == null) { return null; }
return new ContractTransactionReceipt(this.interface, provider, receipt);
}
*/
/**
* Provide historic access to event data for %%event%% in the range
* %%fromBlock%% (default: ``0``) to %%toBlock%% (default: ``"latest"``)
* inclusive.
*/
async queryFilter(event, fromBlock, toBlock) {
if (fromBlock == null) {
fromBlock = 0;
}
if (toBlock == null) {
toBlock = "latest";
}
const { addr, addrPromise } = getInternal(this);
const address = (addr ? addr : (await addrPromise));
const { fragment, topics } = await getSubInfo(this, event);
const filter = { address, topics, fromBlock, toBlock };
const provider = getProvider(this.runner);
(0, index_js_3.assert)(provider, "contract runner does not have a provider", "UNSUPPORTED_OPERATION", { operation: "queryFilter" });
return (await provider.getLogs(filter)).map((log) => {
let foundFragment = fragment;
if (foundFragment == null) {
try {
foundFragment = this.interface.getEvent(log.topics[0]);
}
catch (error) { }
}
if (foundFragment) {
try {
return new wrappers_js_1.EventLog(log, this.interface, foundFragment);
}
catch (error) {
return new wrappers_js_1.UndecodedEventLog(log, error);
}
}
return new provider_js_1.Log(log, provider);
});
}
/**
* Add an event %%listener%% for the %%event%%.
*/
async on(event, listener) {
const sub = await getSub(this, "on", event);
sub.listeners.push({ listener, once: false });
sub.start();
return this;
}
/**
* Add an event %%listener%% for the %%event%%, but remove the listener
* after it is fired once.
*/
async once(event, listener) {
const sub = await getSub(this, "once", event);
sub.listeners.push({ listener, once: true });
sub.start();
return this;
}
/**
* Emit an %%event%% calling all listeners with %%args%%.
*
* Resolves to ``true`` if any listeners were called.
*/
async emit(event, ...args) {
return await emit(this, event, args, null);
}
/**
* Resolves to the number of listeners of %%event%% or the total number
* of listeners if unspecified.
*/
async listenerCount(event) {
if (event) {
const sub = await hasSub(this, event);
if (!sub) {
return 0;
}
return sub.listeners.length;
}
const { subs } = getInternal(this);
let total = 0;
for (const { listeners } of subs.values()) {
total += listeners.length;
}
return total;
}
/**
* Resolves to the listeners subscribed to %%event%% or all listeners
* if unspecified.
*/
async listeners(event) {
if (event) {
const sub = await hasSub(this, event);
if (!sub) {
return [];
}
return sub.listeners.map(({ listener }) => listener);
}
const { subs } = getInternal(this);
let result = [];
for (const { listeners } of subs.values()) {
result = result.concat(listeners.map(({ listener }) => listener));
}
return result;
}
/**
* Remove the %%listener%% from the listeners for %%event%% or remove
* all listeners if unspecified.
*/
async off(event, listener) {
const sub = await hasSub(this, event);
if (!sub) {
return this;
}
if (listener) {
const index = sub.listeners.map(({ listener }) => listener).indexOf(listener);
if (index >= 0) {
sub.listeners.splice(index, 1);
}
}
if (listener == null || sub.listeners.length === 0) {
sub.stop();
getInternal(this).subs.delete(sub.tag);
}
return this;
}
/**
* Remove all the listeners for %%event%% or remove all listeners if
* unspecified.
*/
async removeAllListeners(event) {
if (event) {
const sub = await hasSub(this, event);
if (!sub) {
return this;
}
sub.stop();
getInternal(this).subs.delete(sub.tag);
}
else {
const { subs } = getInternal(this);
for (const { tag, stop } of subs.values()) {
stop();
subs.delete(tag);
}
}
return this;
}
/**
* Alias for [on].
*/
async addListener(event, listener) {
return await this.on(event, listener);
}
/**
* Alias for [off].
*/
async removeListener(event, listener) {
return await this.off(event, listener);
}
/**
* Create a new Class for the %%abi%%.
*/
static buildClass(abi) {
class CustomContract extends BaseContract {
constructor(address, runner = null) {
super(address, abi, runner);
}
}
return CustomContract;
}
;
/**
* Create a new BaseContract with a specified Interface.
*/
static from(target, abi, runner) {
if (runner == null) {
runner = null;
}
const contract = new this(target, abi, runner);
return contract;
}
}
exports.BaseContract = BaseContract;
function _ContractBase() {
return BaseContract;
}
/**
* A [[BaseContract]] with no type guards on its methods or events.
*/
class Contract extends _ContractBase() {
}
exports.Contract = Contract;
//# sourceMappingURL=contract.js.mapВыполнить команду
Для локальной разработки. Не используйте в интернете!