PHP WebShell
Текущая директория: /var/www/bitcardoApp/node_modules/ethers/lib.commonjs/abi
Просмотр файла: interface.js
"use strict";
/**
* The Interface class is a low-level class that accepts an
* ABI and provides all the necessary functionality to encode
* and decode paramaters to and results from methods, events
* and errors.
*
* It also provides several convenience methods to automatically
* search and find matching transactions and events to parse them.
*
* @_subsection api/abi:Interfaces [interfaces]
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Interface = exports.Indexed = exports.ErrorDescription = exports.TransactionDescription = exports.LogDescription = exports.Result = exports.checkResultErrors = void 0;
const index_js_1 = require("../crypto/index.js");
const index_js_2 = require("../hash/index.js");
const index_js_3 = require("../utils/index.js");
const abi_coder_js_1 = require("./abi-coder.js");
const abstract_coder_js_1 = require("./coders/abstract-coder.js");
Object.defineProperty(exports, "checkResultErrors", { enumerable: true, get: function () { return abstract_coder_js_1.checkResultErrors; } });
Object.defineProperty(exports, "Result", { enumerable: true, get: function () { return abstract_coder_js_1.Result; } });
const fragments_js_1 = require("./fragments.js");
const typed_js_1 = require("./typed.js");
/**
* When using the [[Interface-parseLog]] to automatically match a Log to its event
* for parsing, a **LogDescription** is returned.
*/
class LogDescription {
/**
* The matching fragment for the ``topic0``.
*/
fragment;
/**
* The name of the Event.
*/
name;
/**
* The full Event signature.
*/
signature;
/**
* The topic hash for the Event.
*/
topic;
/**
* The arguments passed into the Event with ``emit``.
*/
args;
/**
* @_ignore:
*/
constructor(fragment, topic, args) {
const name = fragment.name, signature = fragment.format();
(0, index_js_3.defineProperties)(this, {
fragment, name, signature, topic, args
});
}
}
exports.LogDescription = LogDescription;
/**
* When using the [[Interface-parseTransaction]] to automatically match
* a transaction data to its function for parsing,
* a **TransactionDescription** is returned.
*/
class TransactionDescription {
/**
* The matching fragment from the transaction ``data``.
*/
fragment;
/**
* The name of the Function from the transaction ``data``.
*/
name;
/**
* The arguments passed to the Function from the transaction ``data``.
*/
args;
/**
* The full Function signature from the transaction ``data``.
*/
signature;
/**
* The selector for the Function from the transaction ``data``.
*/
selector;
/**
* The ``value`` (in wei) from the transaction.
*/
value;
/**
* @_ignore:
*/
constructor(fragment, selector, args, value) {
const name = fragment.name, signature = fragment.format();
(0, index_js_3.defineProperties)(this, {
fragment, name, args, signature, selector, value
});
}
}
exports.TransactionDescription = TransactionDescription;
/**
* When using the [[Interface-parseError]] to automatically match an
* error for a call result for parsing, an **ErrorDescription** is returned.
*/
class ErrorDescription {
/**
* The matching fragment.
*/
fragment;
/**
* The name of the Error.
*/
name;
/**
* The arguments passed to the Error with ``revert``.
*/
args;
/**
* The full Error signature.
*/
signature;
/**
* The selector for the Error.
*/
selector;
/**
* @_ignore:
*/
constructor(fragment, selector, args) {
const name = fragment.name, signature = fragment.format();
(0, index_js_3.defineProperties)(this, {
fragment, name, args, signature, selector
});
}
}
exports.ErrorDescription = ErrorDescription;
/**
* An **Indexed** is used as a value when a value that does not
* fit within a topic (i.e. not a fixed-length, 32-byte type). It
* is the ``keccak256`` of the value, and used for types such as
* arrays, tuples, bytes and strings.
*/
class Indexed {
/**
* The ``keccak256`` of the value logged.
*/
hash;
/**
* @_ignore:
*/
_isIndexed;
/**
* Returns ``true`` if %%value%% is an **Indexed**.
*
* This provides a Type Guard for property access.
*/
static isIndexed(value) {
return !!(value && value._isIndexed);
}
/**
* @_ignore:
*/
constructor(hash) {
(0, index_js_3.defineProperties)(this, { hash, _isIndexed: true });
}
}
exports.Indexed = Indexed;
// https://docs.soliditylang.org/en/v0.8.13/control-structures.html?highlight=panic#panic-via-assert-and-error-via-require
const PanicReasons = {
"0": "generic panic",
"1": "assert(false)",
"17": "arithmetic overflow",
"18": "division or modulo by zero",
"33": "enum overflow",
"34": "invalid encoded storage byte array accessed",
"49": "out-of-bounds array access; popping on an empty array",
"50": "out-of-bounds access of an array or bytesN",
"65": "out of memory",
"81": "uninitialized function",
};
const BuiltinErrors = {
"0x08c379a0": {
signature: "Error(string)",
name: "Error",
inputs: ["string"],
reason: (message) => {
return `reverted with reason string ${JSON.stringify(message)}`;
}
},
"0x4e487b71": {
signature: "Panic(uint256)",
name: "Panic",
inputs: ["uint256"],
reason: (code) => {
let reason = "unknown panic code";
if (code >= 0 && code <= 0xff && PanicReasons[code.toString()]) {
reason = PanicReasons[code.toString()];
}
return `reverted with panic code 0x${code.toString(16)} (${reason})`;
}
}
};
/**
* An Interface abstracts many of the low-level details for
* encoding and decoding the data on the blockchain.
*
* An ABI provides information on how to encode data to send to
* a Contract, how to decode the results and events and how to
* interpret revert errors.
*
* The ABI can be specified by [any supported format](InterfaceAbi).
*/
class Interface {
/**
* All the Contract ABI members (i.e. methods, events, errors, etc).
*/
fragments;
/**
* The Contract constructor.
*/
deploy;
/**
* The Fallback method, if any.
*/
fallback;
/**
* If receiving ether is supported.
*/
receive;
#errors;
#events;
#functions;
// #structs: Map<string, StructFragment>;
#abiCoder;
/**
* Create a new Interface for the %%fragments%%.
*/
constructor(fragments) {
let abi = [];
if (typeof (fragments) === "string") {
abi = JSON.parse(fragments);
}
else {
abi = fragments;
}
this.#functions = new Map();
this.#errors = new Map();
this.#events = new Map();
// this.#structs = new Map();
const frags = [];
for (const a of abi) {
try {
frags.push(fragments_js_1.Fragment.from(a));
}
catch (error) {
console.log(`[Warning] Invalid Fragment ${JSON.stringify(a)}:`, error.message);
}
}
(0, index_js_3.defineProperties)(this, {
fragments: Object.freeze(frags)
});
let fallback = null;
let receive = false;
this.#abiCoder = this.getAbiCoder();
// Add all fragments by their signature
this.fragments.forEach((fragment, index) => {
let bucket;
switch (fragment.type) {
case "constructor":
if (this.deploy) {
console.log("duplicate definition - constructor");
return;
}
//checkNames(fragment, "input", fragment.inputs);
(0, index_js_3.defineProperties)(this, { deploy: fragment });
return;
case "fallback":
if (fragment.inputs.length === 0) {
receive = true;
}
else {
(0, index_js_3.assertArgument)(!fallback || fragment.payable !== fallback.payable, "conflicting fallback fragments", `fragments[${index}]`, fragment);
fallback = fragment;
receive = fallback.payable;
}
return;
case "function":
//checkNames(fragment, "input", fragment.inputs);
//checkNames(fragment, "output", (<FunctionFragment>fragment).outputs);
bucket = this.#functions;
break;
case "event":
//checkNames(fragment, "input", fragment.inputs);
bucket = this.#events;
break;
case "error":
bucket = this.#errors;
break;
default:
return;
}
// Two identical entries; ignore it
const signature = fragment.format();
if (bucket.has(signature)) {
return;
}
bucket.set(signature, fragment);
});
// If we do not have a constructor add a default
if (!this.deploy) {
(0, index_js_3.defineProperties)(this, {
deploy: fragments_js_1.ConstructorFragment.from("constructor()")
});
}
(0, index_js_3.defineProperties)(this, { fallback, receive });
}
/**
* Returns the entire Human-Readable ABI, as an array of
* signatures, optionally as %%minimal%% strings, which
* removes parameter names and unneceesary spaces.
*/
format(minimal) {
const format = (minimal ? "minimal" : "full");
const abi = this.fragments.map((f) => f.format(format));
return abi;
}
/**
* Return the JSON-encoded ABI. This is the format Solidiy
* returns.
*/
formatJson() {
const abi = this.fragments.map((f) => f.format("json"));
// We need to re-bundle the JSON fragments a bit
return JSON.stringify(abi.map((j) => JSON.parse(j)));
}
/**
* The ABI coder that will be used to encode and decode binary
* data.
*/
getAbiCoder() {
return abi_coder_js_1.AbiCoder.defaultAbiCoder();
}
// Find a function definition by any means necessary (unless it is ambiguous)
#getFunction(key, values, forceUnique) {
// Selector
if ((0, index_js_3.isHexString)(key)) {
const selector = key.toLowerCase();
for (const fragment of this.#functions.values()) {
if (selector === fragment.selector) {
return fragment;
}
}
return null;
}
// It is a bare name, look up the function (will return null if ambiguous)
if (key.indexOf("(") === -1) {
const matching = [];
for (const [name, fragment] of this.#functions) {
if (name.split("(" /* fix:) */)[0] === key) {
matching.push(fragment);
}
}
if (values) {
const lastValue = (values.length > 0) ? values[values.length - 1] : null;
let valueLength = values.length;
let allowOptions = true;
if (typed_js_1.Typed.isTyped(lastValue) && lastValue.type === "overrides") {
allowOptions = false;
valueLength--;
}
// Remove all matches that don't have a compatible length. The args
// may contain an overrides, so the match may have n or n - 1 parameters
for (let i = matching.length - 1; i >= 0; i--) {
const inputs = matching[i].inputs.length;
if (inputs !== valueLength && (!allowOptions || inputs !== valueLength - 1)) {
matching.splice(i, 1);
}
}
// Remove all matches that don't match the Typed signature
for (let i = matching.length - 1; i >= 0; i--) {
const inputs = matching[i].inputs;
for (let j = 0; j < values.length; j++) {
// Not a typed value
if (!typed_js_1.Typed.isTyped(values[j])) {
continue;
}
// We are past the inputs
if (j >= inputs.length) {
if (values[j].type === "overrides") {
continue;
}
matching.splice(i, 1);
break;
}
// Make sure the value type matches the input type
if (values[j].type !== inputs[j].baseType) {
matching.splice(i, 1);
break;
}
}
}
}
// We found a single matching signature with an overrides, but the
// last value is something that cannot possibly be an options
if (matching.length === 1 && values && values.length !== matching[0].inputs.length) {
const lastArg = values[values.length - 1];
if (lastArg == null || Array.isArray(lastArg) || typeof (lastArg) !== "object") {
matching.splice(0, 1);
}
}
if (matching.length === 0) {
return null;
}
if (matching.length > 1 && forceUnique) {
const matchStr = matching.map((m) => JSON.stringify(m.format())).join(", ");
(0, index_js_3.assertArgument)(false, `ambiguous function description (i.e. matches ${matchStr})`, "key", key);
}
return matching[0];
}
// Normalize the signature and lookup the function
const result = this.#functions.get(fragments_js_1.FunctionFragment.from(key).format());
if (result) {
return result;
}
return null;
}
/**
* Get the function name for %%key%%, which may be a function selector,
* function name or function signature that belongs to the ABI.
*/
getFunctionName(key) {
const fragment = this.#getFunction(key, null, false);
(0, index_js_3.assertArgument)(fragment, "no matching function", "key", key);
return fragment.name;
}
/**
* Returns true if %%key%% (a function selector, function name or
* function signature) is present in the ABI.
*
* In the case of a function name, the name may be ambiguous, so
* accessing the [[FunctionFragment]] may require refinement.
*/
hasFunction(key) {
return !!this.#getFunction(key, null, false);
}
/**
* Get the [[FunctionFragment]] for %%key%%, which may be a function
* selector, function name or function signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple functions match by name.
*
* If the %%key%% and %%values%% do not refine to a single function in
* the ABI, this will throw.
*/
getFunction(key, values) {
return this.#getFunction(key, values || null, true);
}
/**
* Iterate over all functions, calling %%callback%%, sorted by their name.
*/
forEachFunction(callback) {
const names = Array.from(this.#functions.keys());
names.sort((a, b) => a.localeCompare(b));
for (let i = 0; i < names.length; i++) {
const name = names[i];
callback((this.#functions.get(name)), i);
}
}
// Find an event definition by any means necessary (unless it is ambiguous)
#getEvent(key, values, forceUnique) {
// EventTopic
if ((0, index_js_3.isHexString)(key)) {
const eventTopic = key.toLowerCase();
for (const fragment of this.#events.values()) {
if (eventTopic === fragment.topicHash) {
return fragment;
}
}
return null;
}
// It is a bare name, look up the function (will return null if ambiguous)
if (key.indexOf("(") === -1) {
const matching = [];
for (const [name, fragment] of this.#events) {
if (name.split("(" /* fix:) */)[0] === key) {
matching.push(fragment);
}
}
if (values) {
// Remove all matches that don't have a compatible length.
for (let i = matching.length - 1; i >= 0; i--) {
if (matching[i].inputs.length < values.length) {
matching.splice(i, 1);
}
}
// Remove all matches that don't match the Typed signature
for (let i = matching.length - 1; i >= 0; i--) {
const inputs = matching[i].inputs;
for (let j = 0; j < values.length; j++) {
// Not a typed value
if (!typed_js_1.Typed.isTyped(values[j])) {
continue;
}
// Make sure the value type matches the input type
if (values[j].type !== inputs[j].baseType) {
matching.splice(i, 1);
break;
}
}
}
}
if (matching.length === 0) {
return null;
}
if (matching.length > 1 && forceUnique) {
const matchStr = matching.map((m) => JSON.stringify(m.format())).join(", ");
(0, index_js_3.assertArgument)(false, `ambiguous event description (i.e. matches ${matchStr})`, "key", key);
}
return matching[0];
}
// Normalize the signature and lookup the function
const result = this.#events.get(fragments_js_1.EventFragment.from(key).format());
if (result) {
return result;
}
return null;
}
/**
* Get the event name for %%key%%, which may be a topic hash,
* event name or event signature that belongs to the ABI.
*/
getEventName(key) {
const fragment = this.#getEvent(key, null, false);
(0, index_js_3.assertArgument)(fragment, "no matching event", "key", key);
return fragment.name;
}
/**
* Returns true if %%key%% (an event topic hash, event name or
* event signature) is present in the ABI.
*
* In the case of an event name, the name may be ambiguous, so
* accessing the [[EventFragment]] may require refinement.
*/
hasEvent(key) {
return !!this.#getEvent(key, null, false);
}
/**
* Get the [[EventFragment]] for %%key%%, which may be a topic hash,
* event name or event signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple events match by name.
*
* If the %%key%% and %%values%% do not refine to a single event in
* the ABI, this will throw.
*/
getEvent(key, values) {
return this.#getEvent(key, values || null, true);
}
/**
* Iterate over all events, calling %%callback%%, sorted by their name.
*/
forEachEvent(callback) {
const names = Array.from(this.#events.keys());
names.sort((a, b) => a.localeCompare(b));
for (let i = 0; i < names.length; i++) {
const name = names[i];
callback((this.#events.get(name)), i);
}
}
/**
* Get the [[ErrorFragment]] for %%key%%, which may be an error
* selector, error name or error signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple errors match by name.
*
* If the %%key%% and %%values%% do not refine to a single error in
* the ABI, this will throw.
*/
getError(key, values) {
if ((0, index_js_3.isHexString)(key)) {
const selector = key.toLowerCase();
if (BuiltinErrors[selector]) {
return fragments_js_1.ErrorFragment.from(BuiltinErrors[selector].signature);
}
for (const fragment of this.#errors.values()) {
if (selector === fragment.selector) {
return fragment;
}
}
return null;
}
// It is a bare name, look up the function (will return null if ambiguous)
if (key.indexOf("(") === -1) {
const matching = [];
for (const [name, fragment] of this.#errors) {
if (name.split("(" /* fix:) */)[0] === key) {
matching.push(fragment);
}
}
if (matching.length === 0) {
if (key === "Error") {
return fragments_js_1.ErrorFragment.from("error Error(string)");
}
if (key === "Panic") {
return fragments_js_1.ErrorFragment.from("error Panic(uint256)");
}
return null;
}
else if (matching.length > 1) {
const matchStr = matching.map((m) => JSON.stringify(m.format())).join(", ");
(0, index_js_3.assertArgument)(false, `ambiguous error description (i.e. ${matchStr})`, "name", key);
}
return matching[0];
}
// Normalize the signature and lookup the function
key = fragments_js_1.ErrorFragment.from(key).format();
if (key === "Error(string)") {
return fragments_js_1.ErrorFragment.from("error Error(string)");
}
if (key === "Panic(uint256)") {
return fragments_js_1.ErrorFragment.from("error Panic(uint256)");
}
const result = this.#errors.get(key);
if (result) {
return result;
}
return null;
}
/**
* Iterate over all errors, calling %%callback%%, sorted by their name.
*/
forEachError(callback) {
const names = Array.from(this.#errors.keys());
names.sort((a, b) => a.localeCompare(b));
for (let i = 0; i < names.length; i++) {
const name = names[i];
callback((this.#errors.get(name)), i);
}
}
// Get the 4-byte selector used by Solidity to identify a function
/*
getSelector(fragment: ErrorFragment | FunctionFragment): string {
if (typeof(fragment) === "string") {
const matches: Array<Fragment> = [ ];
try { matches.push(this.getFunction(fragment)); } catch (error) { }
try { matches.push(this.getError(<string>fragment)); } catch (_) { }
if (matches.length === 0) {
logger.throwArgumentError("unknown fragment", "key", fragment);
} else if (matches.length > 1) {
logger.throwArgumentError("ambiguous fragment matches function and error", "key", fragment);
}
fragment = matches[0];
}
return dataSlice(id(fragment.format()), 0, 4);
}
*/
// Get the 32-byte topic hash used by Solidity to identify an event
/*
getEventTopic(fragment: EventFragment): string {
//if (typeof(fragment) === "string") { fragment = this.getEvent(eventFragment); }
return id(fragment.format());
}
*/
_decodeParams(params, data) {
return this.#abiCoder.decode(params, data);
}
_encodeParams(params, values) {
return this.#abiCoder.encode(params, values);
}
/**
* Encodes a ``tx.data`` object for deploying the Contract with
* the %%values%% as the constructor arguments.
*/
encodeDeploy(values) {
return this._encodeParams(this.deploy.inputs, values || []);
}
/**
* Decodes the result %%data%% (e.g. from an ``eth_call``) for the
* specified error (see [[getError]] for valid values for
* %%key%%).
*
* Most developers should prefer the [[parseCallResult]] method instead,
* which will automatically detect a ``CALL_EXCEPTION`` and throw the
* corresponding error.
*/
decodeErrorResult(fragment, data) {
if (typeof (fragment) === "string") {
const f = this.getError(fragment);
(0, index_js_3.assertArgument)(f, "unknown error", "fragment", fragment);
fragment = f;
}
(0, index_js_3.assertArgument)((0, index_js_3.dataSlice)(data, 0, 4) === fragment.selector, `data signature does not match error ${fragment.name}.`, "data", data);
return this._decodeParams(fragment.inputs, (0, index_js_3.dataSlice)(data, 4));
}
/**
* Encodes the transaction revert data for a call result that
* reverted from the the Contract with the sepcified %%error%%
* (see [[getError]] for valid values for %%fragment%%) with the %%values%%.
*
* This is generally not used by most developers, unless trying to mock
* a result from a Contract.
*/
encodeErrorResult(fragment, values) {
if (typeof (fragment) === "string") {
const f = this.getError(fragment);
(0, index_js_3.assertArgument)(f, "unknown error", "fragment", fragment);
fragment = f;
}
return (0, index_js_3.concat)([
fragment.selector,
this._encodeParams(fragment.inputs, values || [])
]);
}
/**
* Decodes the %%data%% from a transaction ``tx.data`` for
* the function specified (see [[getFunction]] for valid values
* for %%fragment%%).
*
* Most developers should prefer the [[parseTransaction]] method
* instead, which will automatically detect the fragment.
*/
decodeFunctionData(fragment, data) {
if (typeof (fragment) === "string") {
const f = this.getFunction(fragment);
(0, index_js_3.assertArgument)(f, "unknown function", "fragment", fragment);
fragment = f;
}
(0, index_js_3.assertArgument)((0, index_js_3.dataSlice)(data, 0, 4) === fragment.selector, `data signature does not match function ${fragment.name}.`, "data", data);
return this._decodeParams(fragment.inputs, (0, index_js_3.dataSlice)(data, 4));
}
/**
* Encodes the ``tx.data`` for a transaction that calls the function
* specified (see [[getFunction]] for valid values for %%fragment%%) with
* the %%values%%.
*/
encodeFunctionData(fragment, values) {
if (typeof (fragment) === "string") {
const f = this.getFunction(fragment);
(0, index_js_3.assertArgument)(f, "unknown function", "fragment", fragment);
fragment = f;
}
return (0, index_js_3.concat)([
fragment.selector,
this._encodeParams(fragment.inputs, values || [])
]);
}
/**
* Decodes the result %%data%% (e.g. from an ``eth_call``) for the
* specified function (see [[getFunction]] for valid values for
* %%key%%).
*
* Most developers should prefer the [[parseCallResult]] method instead,
* which will automatically detect a ``CALL_EXCEPTION`` and throw the
* corresponding error.
*/
decodeFunctionResult(fragment, data) {
if (typeof (fragment) === "string") {
const f = this.getFunction(fragment);
(0, index_js_3.assertArgument)(f, "unknown function", "fragment", fragment);
fragment = f;
}
let message = "invalid length for result data";
const bytes = (0, index_js_3.getBytesCopy)(data);
if ((bytes.length % 32) === 0) {
try {
return this.#abiCoder.decode(fragment.outputs, bytes);
}
catch (error) {
message = "could not decode result data";
}
}
// Call returned data with no error, but the data is junk
(0, index_js_3.assert)(false, message, "BAD_DATA", {
value: (0, index_js_3.hexlify)(bytes),
info: { method: fragment.name, signature: fragment.format() }
});
}
makeError(_data, tx) {
const data = (0, index_js_3.getBytes)(_data, "data");
const error = abi_coder_js_1.AbiCoder.getBuiltinCallException("call", tx, data);
// Not a built-in error; try finding a custom error
const customPrefix = "execution reverted (unknown custom error)";
if (error.message.startsWith(customPrefix)) {
const selector = (0, index_js_3.hexlify)(data.slice(0, 4));
const ef = this.getError(selector);
if (ef) {
try {
const args = this.#abiCoder.decode(ef.inputs, data.slice(4));
error.revert = {
name: ef.name, signature: ef.format(), args
};
error.reason = error.revert.signature;
error.message = `execution reverted: ${error.reason}`;
}
catch (e) {
error.message = `execution reverted (coult not decode custom error)`;
}
}
}
// Add the invocation, if available
const parsed = this.parseTransaction(tx);
if (parsed) {
error.invocation = {
method: parsed.name,
signature: parsed.signature,
args: parsed.args
};
}
return error;
}
/**
* Encodes the result data (e.g. from an ``eth_call``) for the
* specified function (see [[getFunction]] for valid values
* for %%fragment%%) with %%values%%.
*
* This is generally not used by most developers, unless trying to mock
* a result from a Contract.
*/
encodeFunctionResult(fragment, values) {
if (typeof (fragment) === "string") {
const f = this.getFunction(fragment);
(0, index_js_3.assertArgument)(f, "unknown function", "fragment", fragment);
fragment = f;
}
return (0, index_js_3.hexlify)(this.#abiCoder.encode(fragment.outputs, values || []));
}
/*
spelunk(inputs: Array<ParamType>, values: ReadonlyArray<any>, processfunc: (type: string, value: any) => Promise<any>): Promise<Array<any>> {
const promises: Array<Promise<>> = [ ];
const process = function(type: ParamType, value: any): any {
if (type.baseType === "array") {
return descend(type.child
}
if (type. === "address") {
}
};
const descend = function (inputs: Array<ParamType>, values: ReadonlyArray<any>) {
if (inputs.length !== values.length) { throw new Error("length mismatch"); }
};
const result: Array<any> = [ ];
values.forEach((value, index) => {
if (value == null) {
topics.push(null);
} else if (param.baseType === "array" || param.baseType === "tuple") {
logger.throwArgumentError("filtering with tuples or arrays not supported", ("contract." + param.name), value);
} else if (Array.isArray(value)) {
topics.push(value.map((value) => encodeTopic(param, value)));
} else {
topics.push(encodeTopic(param, value));
}
});
}
*/
// Create the filter for the event with search criteria (e.g. for eth_filterLog)
encodeFilterTopics(fragment, values) {
if (typeof (fragment) === "string") {
const f = this.getEvent(fragment);
(0, index_js_3.assertArgument)(f, "unknown event", "eventFragment", fragment);
fragment = f;
}
(0, index_js_3.assert)(values.length <= fragment.inputs.length, `too many arguments for ${fragment.format()}`, "UNEXPECTED_ARGUMENT", { count: values.length, expectedCount: fragment.inputs.length });
const topics = [];
if (!fragment.anonymous) {
topics.push(fragment.topicHash);
}
// @TODO: Use the coders for this; to properly support tuples, etc.
const encodeTopic = (param, value) => {
if (param.type === "string") {
return (0, index_js_2.id)(value);
}
else if (param.type === "bytes") {
return (0, index_js_1.keccak256)((0, index_js_3.hexlify)(value));
}
if (param.type === "bool" && typeof (value) === "boolean") {
value = (value ? "0x01" : "0x00");
}
else if (param.type.match(/^u?int/)) {
value = (0, index_js_3.toBeHex)(value); // @TODO: Should this toTwos??
}
else if (param.type.match(/^bytes/)) {
value = (0, index_js_3.zeroPadBytes)(value, 32);
}
else if (param.type === "address") {
// Check addresses are valid
this.#abiCoder.encode(["address"], [value]);
}
return (0, index_js_3.zeroPadValue)((0, index_js_3.hexlify)(value), 32);
};
values.forEach((value, index) => {
const param = fragment.inputs[index];
if (!param.indexed) {
(0, index_js_3.assertArgument)(value == null, "cannot filter non-indexed parameters; must be null", ("contract." + param.name), value);
return;
}
if (value == null) {
topics.push(null);
}
else if (param.baseType === "array" || param.baseType === "tuple") {
(0, index_js_3.assertArgument)(false, "filtering with tuples or arrays not supported", ("contract." + param.name), value);
}
else if (Array.isArray(value)) {
topics.push(value.map((value) => encodeTopic(param, value)));
}
else {
topics.push(encodeTopic(param, value));
}
});
// Trim off trailing nulls
while (topics.length && topics[topics.length - 1] === null) {
topics.pop();
}
return topics;
}
encodeEventLog(fragment, values) {
if (typeof (fragment) === "string") {
const f = this.getEvent(fragment);
(0, index_js_3.assertArgument)(f, "unknown event", "eventFragment", fragment);
fragment = f;
}
const topics = [];
const dataTypes = [];
const dataValues = [];
if (!fragment.anonymous) {
topics.push(fragment.topicHash);
}
(0, index_js_3.assertArgument)(values.length === fragment.inputs.length, "event arguments/values mismatch", "values", values);
fragment.inputs.forEach((param, index) => {
const value = values[index];
if (param.indexed) {
if (param.type === "string") {
topics.push((0, index_js_2.id)(value));
}
else if (param.type === "bytes") {
topics.push((0, index_js_1.keccak256)(value));
}
else if (param.baseType === "tuple" || param.baseType === "array") {
// @TODO
throw new Error("not implemented");
}
else {
topics.push(this.#abiCoder.encode([param.type], [value]));
}
}
else {
dataTypes.push(param);
dataValues.push(value);
}
});
return {
data: this.#abiCoder.encode(dataTypes, dataValues),
topics: topics
};
}
// Decode a filter for the event and the search criteria
decodeEventLog(fragment, data, topics) {
if (typeof (fragment) === "string") {
const f = this.getEvent(fragment);
(0, index_js_3.assertArgument)(f, "unknown event", "eventFragment", fragment);
fragment = f;
}
if (topics != null && !fragment.anonymous) {
const eventTopic = fragment.topicHash;
(0, index_js_3.assertArgument)((0, index_js_3.isHexString)(topics[0], 32) && topics[0].toLowerCase() === eventTopic, "fragment/topic mismatch", "topics[0]", topics[0]);
topics = topics.slice(1);
}
const indexed = [];
const nonIndexed = [];
const dynamic = [];
fragment.inputs.forEach((param, index) => {
if (param.indexed) {
if (param.type === "string" || param.type === "bytes" || param.baseType === "tuple" || param.baseType === "array") {
indexed.push(fragments_js_1.ParamType.from({ type: "bytes32", name: param.name }));
dynamic.push(true);
}
else {
indexed.push(param);
dynamic.push(false);
}
}
else {
nonIndexed.push(param);
dynamic.push(false);
}
});
const resultIndexed = (topics != null) ? this.#abiCoder.decode(indexed, (0, index_js_3.concat)(topics)) : null;
const resultNonIndexed = this.#abiCoder.decode(nonIndexed, data, true);
//const result: (Array<any> & { [ key: string ]: any }) = [ ];
const values = [];
const keys = [];
let nonIndexedIndex = 0, indexedIndex = 0;
fragment.inputs.forEach((param, index) => {
let value = null;
if (param.indexed) {
if (resultIndexed == null) {
value = new Indexed(null);
}
else if (dynamic[index]) {
value = new Indexed(resultIndexed[indexedIndex++]);
}
else {
try {
value = resultIndexed[indexedIndex++];
}
catch (error) {
value = error;
}
}
}
else {
try {
value = resultNonIndexed[nonIndexedIndex++];
}
catch (error) {
value = error;
}
}
values.push(value);
keys.push(param.name || null);
});
return abstract_coder_js_1.Result.fromItems(values, keys);
}
/**
* Parses a transaction, finding the matching function and extracts
* the parameter values along with other useful function details.
*
* If the matching function cannot be found, return null.
*/
parseTransaction(tx) {
const data = (0, index_js_3.getBytes)(tx.data, "tx.data");
const value = (0, index_js_3.getBigInt)((tx.value != null) ? tx.value : 0, "tx.value");
const fragment = this.getFunction((0, index_js_3.hexlify)(data.slice(0, 4)));
if (!fragment) {
return null;
}
const args = this.#abiCoder.decode(fragment.inputs, data.slice(4));
return new TransactionDescription(fragment, fragment.selector, args, value);
}
parseCallResult(data) {
throw new Error("@TODO");
}
/**
* Parses a receipt log, finding the matching event and extracts
* the parameter values along with other useful event details.
*
* If the matching event cannot be found, returns null.
*/
parseLog(log) {
const fragment = this.getEvent(log.topics[0]);
if (!fragment || fragment.anonymous) {
return null;
}
// @TODO: If anonymous, and the only method, and the input count matches, should we parse?
// Probably not, because just because it is the only event in the ABI does
// not mean we have the full ABI; maybe just a fragment?
return new LogDescription(fragment, fragment.topicHash, this.decodeEventLog(fragment, log.data, log.topics));
}
/**
* Parses a revert data, finding the matching error and extracts
* the parameter values along with other useful error details.
*
* If the matching error cannot be found, returns null.
*/
parseError(data) {
const hexData = (0, index_js_3.hexlify)(data);
const fragment = this.getError((0, index_js_3.dataSlice)(hexData, 0, 4));
if (!fragment) {
return null;
}
const args = this.#abiCoder.decode(fragment.inputs, (0, index_js_3.dataSlice)(hexData, 4));
return new ErrorDescription(fragment, fragment.selector, args);
}
/**
* Creates a new [[Interface]] from the ABI %%value%%.
*
* The %%value%% may be provided as an existing [[Interface]] object,
* a JSON-encoded ABI or any Human-Readable ABI format.
*/
static from(value) {
// Already an Interface, which is immutable
if (value instanceof Interface) {
return value;
}
// JSON
if (typeof (value) === "string") {
return new Interface(JSON.parse(value));
}
// An Interface; possibly from another v6 instance
if (typeof (value.formatJson) === "function") {
return new Interface(value.formatJson());
}
// A legacy Interface; from an older version
if (typeof (value.format) === "function") {
return new Interface(value.format("json"));
}
// Array of fragments
return new Interface(value);
}
}
exports.Interface = Interface;
//# sourceMappingURL=interface.js.mapВыполнить команду
Для локальной разработки. Не используйте в интернете!