381 lines
15 KiB
JavaScript
381 lines
15 KiB
JavaScript
|
'use strict';
|
||
|
|
var __extends = (this && this.__extends) || (function () {
|
||
|
|
var 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 function (d, b) {
|
||
|
|
extendStatics(d, b);
|
||
|
|
function __() { this.constructor = d; }
|
||
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
||
|
|
};
|
||
|
|
})();
|
||
|
|
var __importStar = (this && this.__importStar) || function (mod) {
|
||
|
|
if (mod && mod.__esModule) return mod;
|
||
|
|
var result = {};
|
||
|
|
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
|
||
|
|
result["default"] = mod;
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
// See: https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI
|
||
|
|
var address_1 = require("./address");
|
||
|
|
var abi_coder_1 = require("./abi-coder");
|
||
|
|
var bignumber_1 = require("./bignumber");
|
||
|
|
var bytes_1 = require("./bytes");
|
||
|
|
var hash_1 = require("./hash");
|
||
|
|
var keccak256_1 = require("./keccak256");
|
||
|
|
var properties_1 = require("./properties");
|
||
|
|
var errors = __importStar(require("../errors"));
|
||
|
|
///////////////////////////////
|
||
|
|
var _Indexed = /** @class */ (function () {
|
||
|
|
function _Indexed(hash) {
|
||
|
|
properties_1.setType(this, 'Indexed');
|
||
|
|
properties_1.defineReadOnly(this, 'hash', hash);
|
||
|
|
}
|
||
|
|
return _Indexed;
|
||
|
|
}());
|
||
|
|
var Description = /** @class */ (function () {
|
||
|
|
function Description(info) {
|
||
|
|
properties_1.setType(this, 'Description');
|
||
|
|
for (var key in info) {
|
||
|
|
properties_1.defineReadOnly(this, key, properties_1.deepCopy(info[key], true));
|
||
|
|
}
|
||
|
|
Object.freeze(this);
|
||
|
|
}
|
||
|
|
return Description;
|
||
|
|
}());
|
||
|
|
var _DeployDescription = /** @class */ (function (_super) {
|
||
|
|
__extends(_DeployDescription, _super);
|
||
|
|
function _DeployDescription() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
_DeployDescription.prototype.encode = function (bytecode, params) {
|
||
|
|
if (!bytes_1.isHexString(bytecode)) {
|
||
|
|
errors.throwError('invalid contract bytecode', errors.INVALID_ARGUMENT, {
|
||
|
|
arg: 'bytecode',
|
||
|
|
value: bytecode
|
||
|
|
});
|
||
|
|
}
|
||
|
|
errors.checkArgumentCount(params.length, this.inputs.length, 'in Interface constructor');
|
||
|
|
try {
|
||
|
|
return (bytecode + abi_coder_1.defaultAbiCoder.encode(this.inputs, params).substring(2));
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
errors.throwError('invalid constructor argument', errors.INVALID_ARGUMENT, {
|
||
|
|
arg: error.arg,
|
||
|
|
reason: error.reason,
|
||
|
|
value: error.value
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
return _DeployDescription;
|
||
|
|
}(Description));
|
||
|
|
var _FunctionDescription = /** @class */ (function (_super) {
|
||
|
|
__extends(_FunctionDescription, _super);
|
||
|
|
function _FunctionDescription() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
_FunctionDescription.prototype.encode = function (params) {
|
||
|
|
errors.checkArgumentCount(params.length, this.inputs.length, 'in interface function ' + this.name);
|
||
|
|
try {
|
||
|
|
return this.sighash + abi_coder_1.defaultAbiCoder.encode(this.inputs, params).substring(2);
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
errors.throwError('invalid input argument', errors.INVALID_ARGUMENT, {
|
||
|
|
arg: error.arg,
|
||
|
|
reason: error.reason,
|
||
|
|
value: error.value
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
_FunctionDescription.prototype.decode = function (data) {
|
||
|
|
try {
|
||
|
|
return abi_coder_1.defaultAbiCoder.decode(this.outputs, bytes_1.arrayify(data));
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
errors.throwError('invalid data for function output', errors.INVALID_ARGUMENT, {
|
||
|
|
arg: 'data',
|
||
|
|
errorArg: error.arg,
|
||
|
|
errorValue: error.value,
|
||
|
|
value: data,
|
||
|
|
reason: error.reason
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return _FunctionDescription;
|
||
|
|
}(Description));
|
||
|
|
var Result = /** @class */ (function (_super) {
|
||
|
|
__extends(Result, _super);
|
||
|
|
function Result() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
return Result;
|
||
|
|
}(Description));
|
||
|
|
var _EventDescription = /** @class */ (function (_super) {
|
||
|
|
__extends(_EventDescription, _super);
|
||
|
|
function _EventDescription() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
_EventDescription.prototype.encodeTopics = function (params) {
|
||
|
|
var _this = this;
|
||
|
|
if (params.length > this.inputs.length) {
|
||
|
|
errors.throwError('too many arguments for ' + this.name, errors.UNEXPECTED_ARGUMENT, { maxCount: params.length, expectedCount: this.inputs.length });
|
||
|
|
}
|
||
|
|
var topics = [];
|
||
|
|
if (!this.anonymous) {
|
||
|
|
topics.push(this.topic);
|
||
|
|
}
|
||
|
|
params.forEach(function (arg, index) {
|
||
|
|
if (arg === null) {
|
||
|
|
topics.push(null);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var param = _this.inputs[index];
|
||
|
|
if (!param.indexed) {
|
||
|
|
errors.throwError('cannot filter non-indexed parameters; must be null', errors.INVALID_ARGUMENT, { argument: (param.name || index), value: arg });
|
||
|
|
}
|
||
|
|
if (param.type === 'string') {
|
||
|
|
topics.push(hash_1.id(arg));
|
||
|
|
}
|
||
|
|
else if (param.type === 'bytes') {
|
||
|
|
topics.push(keccak256_1.keccak256(arg));
|
||
|
|
}
|
||
|
|
else if (param.type.indexOf('[') !== -1 || param.type.substring(0, 5) === 'tuple') {
|
||
|
|
errors.throwError('filtering with tuples or arrays not implemented yet; bug us on GitHub', errors.NOT_IMPLEMENTED, { operation: 'filter(array|tuple)' });
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (param.type === 'address') {
|
||
|
|
address_1.getAddress(arg);
|
||
|
|
}
|
||
|
|
topics.push(bytes_1.hexZeroPad(bytes_1.hexlify(arg), 32).toLowerCase());
|
||
|
|
}
|
||
|
|
});
|
||
|
|
// Trim off trailing nulls
|
||
|
|
while (topics.length && topics[topics.length - 1] === null) {
|
||
|
|
topics.pop();
|
||
|
|
}
|
||
|
|
return topics;
|
||
|
|
};
|
||
|
|
_EventDescription.prototype.decode = function (data, topics) {
|
||
|
|
// Strip the signature off of non-anonymous topics
|
||
|
|
if (topics != null && !this.anonymous) {
|
||
|
|
topics = topics.slice(1);
|
||
|
|
}
|
||
|
|
var inputIndexed = [];
|
||
|
|
var inputNonIndexed = [];
|
||
|
|
var inputDynamic = [];
|
||
|
|
this.inputs.forEach(function (param, index) {
|
||
|
|
if (param.indexed) {
|
||
|
|
if (param.type === 'string' || param.type === 'bytes' || param.type.indexOf('[') >= 0 || param.type.substring(0, 5) === 'tuple') {
|
||
|
|
inputIndexed.push({ type: 'bytes32', name: (param.name || '') });
|
||
|
|
inputDynamic.push(true);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
inputIndexed.push(param);
|
||
|
|
inputDynamic.push(false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
inputNonIndexed.push(param);
|
||
|
|
inputDynamic.push(false);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (topics != null) {
|
||
|
|
var resultIndexed = abi_coder_1.defaultAbiCoder.decode(inputIndexed, bytes_1.concat(topics));
|
||
|
|
}
|
||
|
|
var resultNonIndexed = abi_coder_1.defaultAbiCoder.decode(inputNonIndexed, bytes_1.arrayify(data));
|
||
|
|
var result = {};
|
||
|
|
var nonIndexedIndex = 0, indexedIndex = 0;
|
||
|
|
this.inputs.forEach(function (input, index) {
|
||
|
|
if (input.indexed) {
|
||
|
|
if (topics == null) {
|
||
|
|
result[index] = new _Indexed(null);
|
||
|
|
}
|
||
|
|
else if (inputDynamic[index]) {
|
||
|
|
result[index] = new _Indexed(resultIndexed[indexedIndex++]);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
result[index] = resultIndexed[indexedIndex++];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
result[index] = resultNonIndexed[nonIndexedIndex++];
|
||
|
|
}
|
||
|
|
if (input.name) {
|
||
|
|
result[input.name] = result[index];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
result.length = this.inputs.length;
|
||
|
|
return new Result(result);
|
||
|
|
};
|
||
|
|
return _EventDescription;
|
||
|
|
}(Description));
|
||
|
|
var _TransactionDescription = /** @class */ (function (_super) {
|
||
|
|
__extends(_TransactionDescription, _super);
|
||
|
|
function _TransactionDescription() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
return _TransactionDescription;
|
||
|
|
}(Description));
|
||
|
|
var _LogDescription = /** @class */ (function (_super) {
|
||
|
|
__extends(_LogDescription, _super);
|
||
|
|
function _LogDescription() {
|
||
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
||
|
|
}
|
||
|
|
return _LogDescription;
|
||
|
|
}(Description));
|
||
|
|
function addMethod(method) {
|
||
|
|
switch (method.type) {
|
||
|
|
case 'constructor': {
|
||
|
|
var description = new _DeployDescription({
|
||
|
|
inputs: method.inputs,
|
||
|
|
payable: (method.payable == null || !!method.payable)
|
||
|
|
});
|
||
|
|
if (!this.deployFunction) {
|
||
|
|
this.deployFunction = description;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 'function': {
|
||
|
|
var signature = abi_coder_1.formatSignature(method).replace(/tuple/g, '');
|
||
|
|
var sighash = hash_1.id(signature).substring(0, 10);
|
||
|
|
var description = new _FunctionDescription({
|
||
|
|
inputs: method.inputs,
|
||
|
|
outputs: method.outputs,
|
||
|
|
gas: method.gas,
|
||
|
|
payable: (method.payable == null || !!method.payable),
|
||
|
|
type: ((method.constant) ? 'call' : 'transaction'),
|
||
|
|
signature: signature,
|
||
|
|
sighash: sighash,
|
||
|
|
});
|
||
|
|
// Expose the first (and hopefully unique named function
|
||
|
|
if (method.name && this.functions[method.name] == null) {
|
||
|
|
properties_1.defineReadOnly(this.functions, method.name, description);
|
||
|
|
}
|
||
|
|
// Expose all methods by their signature, for overloaded functions
|
||
|
|
if (this.functions[description.signature] == null) {
|
||
|
|
properties_1.defineReadOnly(this.functions, description.signature, description);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 'event': {
|
||
|
|
var signature = abi_coder_1.formatSignature(method).replace(/tuple/g, '');
|
||
|
|
var description = new _EventDescription({
|
||
|
|
name: method.name,
|
||
|
|
signature: signature,
|
||
|
|
inputs: method.inputs,
|
||
|
|
topic: hash_1.id(signature),
|
||
|
|
anonymous: (!!method.anonymous)
|
||
|
|
});
|
||
|
|
// Expose the first (and hopefully unique) event name
|
||
|
|
if (method.name && this.events[method.name] == null) {
|
||
|
|
properties_1.defineReadOnly(this.events, method.name, description);
|
||
|
|
}
|
||
|
|
// Expose all events by their signature, for overloaded functions
|
||
|
|
if (this.events[description.signature] == null) {
|
||
|
|
properties_1.defineReadOnly(this.events, description.signature, description);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 'fallback':
|
||
|
|
// Nothing to do for fallback
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.log('WARNING: unsupported ABI type - ' + method.type);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var Interface = /** @class */ (function () {
|
||
|
|
function Interface(abi) {
|
||
|
|
errors.checkNew(this, Interface);
|
||
|
|
if (typeof (abi) === 'string') {
|
||
|
|
try {
|
||
|
|
abi = JSON.parse(abi);
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
errors.throwError('could not parse ABI JSON', errors.INVALID_ARGUMENT, {
|
||
|
|
arg: 'abi',
|
||
|
|
errorMessage: error.message,
|
||
|
|
value: abi
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (!Array.isArray(abi)) {
|
||
|
|
errors.throwError('invalid abi', errors.INVALID_ARGUMENT, { arg: 'abi', value: abi });
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
properties_1.defineReadOnly(this, 'functions', {});
|
||
|
|
properties_1.defineReadOnly(this, 'events', {});
|
||
|
|
// Convert any supported ABI format into a standard ABI format
|
||
|
|
var _abi = [];
|
||
|
|
abi.forEach(function (fragment) {
|
||
|
|
if (typeof (fragment) === 'string') {
|
||
|
|
fragment = abi_coder_1.parseSignature(fragment);
|
||
|
|
}
|
||
|
|
// @TODO: We should probable do some validation; create abiCoder.formatSignature for checking
|
||
|
|
_abi.push(fragment);
|
||
|
|
});
|
||
|
|
properties_1.defineReadOnly(this, 'abi', properties_1.deepCopy(_abi, true));
|
||
|
|
_abi.forEach(addMethod, this);
|
||
|
|
// If there wasn't a constructor, create the default constructor
|
||
|
|
if (!this.deployFunction) {
|
||
|
|
addMethod.call(this, { type: 'constructor', inputs: [] });
|
||
|
|
}
|
||
|
|
properties_1.setType(this, 'Interface');
|
||
|
|
}
|
||
|
|
Interface.prototype.parseTransaction = function (tx) {
|
||
|
|
var sighash = tx.data.substring(0, 10).toLowerCase();
|
||
|
|
for (var name in this.functions) {
|
||
|
|
if (name.indexOf('(') === -1) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
var func = this.functions[name];
|
||
|
|
if (func.sighash === sighash) {
|
||
|
|
var result = abi_coder_1.defaultAbiCoder.decode(func.inputs, '0x' + tx.data.substring(10));
|
||
|
|
return new _TransactionDescription({
|
||
|
|
args: result,
|
||
|
|
decode: func.decode,
|
||
|
|
name: name,
|
||
|
|
signature: func.signature,
|
||
|
|
sighash: func.sighash,
|
||
|
|
value: bignumber_1.bigNumberify(tx.value || null),
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
Interface.prototype.parseLog = function (log) {
|
||
|
|
for (var name in this.events) {
|
||
|
|
if (name.indexOf('(') === -1) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
var event = this.events[name];
|
||
|
|
if (event.anonymous) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (event.topic !== log.topics[0]) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// @TODO: If anonymous, and the only method, and the input count matches, should we parse and return it?
|
||
|
|
return new _LogDescription({
|
||
|
|
decode: event.decode,
|
||
|
|
name: event.name,
|
||
|
|
signature: event.signature,
|
||
|
|
topic: event.topic,
|
||
|
|
values: event.decode(log.data, log.topics)
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
Interface.isInterface = function (value) {
|
||
|
|
return properties_1.isType(value, 'Interface');
|
||
|
|
};
|
||
|
|
Interface.isIndexed = function (value) {
|
||
|
|
return properties_1.isType(value, 'Indexed');
|
||
|
|
};
|
||
|
|
return Interface;
|
||
|
|
}());
|
||
|
|
exports.Interface = Interface;
|