You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1490 lines
50 KiB
1490 lines
50 KiB
import EventEmitter from 'safe-event-emitter';
|
|
import { ObservableStore } from '@metamask/obs-store';
|
|
import { bufferToHex, keccak, toBuffer, isHexString } from 'ethereumjs-util';
|
|
import EthQuery from 'ethjs-query';
|
|
import { ethErrors } from 'eth-rpc-errors';
|
|
import abi from 'human-standard-token-abi';
|
|
import Common from '@ethereumjs/common';
|
|
import { TransactionFactory } from '@ethereumjs/tx';
|
|
import { ethers } from 'ethers';
|
|
import NonceTracker from 'nonce-tracker';
|
|
import log from 'loglevel';
|
|
import BigNumber from 'bignumber.js';
|
|
import cleanErrorStack from '../../lib/cleanErrorStack';
|
|
import {
|
|
hexToBn,
|
|
bnToHex,
|
|
BnMultiplyByFraction,
|
|
addHexPrefix,
|
|
getChainType,
|
|
} from '../../lib/util';
|
|
import { TRANSACTION_NO_CONTRACT_ERROR_KEY } from '../../../../ui/helpers/constants/error-keys';
|
|
import { getSwapsTokensReceivedFromTxMeta } from '../../../../ui/pages/swaps/swaps.util';
|
|
import { hexWEIToDecGWEI } from '../../../../ui/helpers/utils/conversions.util';
|
|
import {
|
|
TRANSACTION_STATUSES,
|
|
TRANSACTION_TYPES,
|
|
TRANSACTION_ENVELOPE_TYPES,
|
|
} from '../../../../shared/constants/transaction';
|
|
import { TRANSACTION_ENVELOPE_TYPE_NAMES } from '../../../../ui/helpers/constants/transactions';
|
|
import { METAMASK_CONTROLLER_EVENTS } from '../../metamask-controller';
|
|
import {
|
|
GAS_LIMITS,
|
|
GAS_ESTIMATE_TYPES,
|
|
GAS_RECOMMENDATIONS,
|
|
CUSTOM_GAS_ESTIMATE,
|
|
} from '../../../../shared/constants/gas';
|
|
import { decGWEIToHexWEI } from '../../../../shared/modules/conversion.utils';
|
|
import {
|
|
HARDFORKS,
|
|
MAINNET,
|
|
NETWORK_TYPE_RPC,
|
|
CHAIN_ID_TO_GAS_LIMIT_BUFFER_MAP,
|
|
} from '../../../../shared/constants/network';
|
|
import { isEIP1559Transaction } from '../../../../shared/modules/transaction.utils';
|
|
import { readAddressAsContract } from '../../../../shared/modules/contract-utils';
|
|
import TransactionStateManager from './tx-state-manager';
|
|
import TxGasUtil from './tx-gas-utils';
|
|
import PendingTransactionTracker from './pending-tx-tracker';
|
|
import * as txUtils from './lib/util';
|
|
|
|
const hstInterface = new ethers.utils.Interface(abi);
|
|
|
|
const MAX_MEMSTORE_TX_LIST_SIZE = 100; // Number of transactions (by unique nonces) to keep in memory
|
|
|
|
export const TRANSACTION_EVENTS = {
|
|
ADDED: 'Transaction Added',
|
|
APPROVED: 'Transaction Approved',
|
|
FINALIZED: 'Transaction Finalized',
|
|
REJECTED: 'Transaction Rejected',
|
|
SUBMITTED: 'Transaction Submitted',
|
|
};
|
|
|
|
/**
|
|
* @typedef {Object} CustomGasSettings
|
|
* @property {string} [gas] - The gas limit to use for the transaction
|
|
* @property {string} [gasPrice] - The gasPrice to use for a legacy transaction
|
|
* @property {string} [maxFeePerGas] - The maximum amount to pay per gas on a
|
|
* EIP-1559 transaction
|
|
* @property {string} [maxPriorityFeePerGas] - The maximum amount of paid fee
|
|
* to be distributed to miner in an EIP-1559 transaction
|
|
*/
|
|
|
|
/**
|
|
Transaction Controller is an aggregate of sub-controllers and trackers
|
|
composing them in a way to be exposed to the metamask controller
|
|
<br>- txStateManager
|
|
responsible for the state of a transaction and
|
|
storing the transaction
|
|
<br>- pendingTxTracker
|
|
watching blocks for transactions to be include
|
|
and emitting confirmed events
|
|
<br>- txGasUtil
|
|
gas calculations and safety buffering
|
|
<br>- nonceTracker
|
|
calculating nonces
|
|
|
|
@class
|
|
@param {Object} opts
|
|
@param {Object} opts.initState - initial transaction list default is an empty array
|
|
@param {Object} opts.networkStore - an observable store for network number
|
|
@param {Object} opts.blockTracker - An instance of eth-blocktracker
|
|
@param {Object} opts.provider - A network provider.
|
|
@param {Function} opts.signTransaction - function the signs an @ethereumjs/tx
|
|
@param {Object} opts.getPermittedAccounts - get accounts that an origin has permissions for
|
|
@param {Function} opts.signTransaction - ethTx signer that returns a rawTx
|
|
@param {number} [opts.txHistoryLimit] - number *optional* for limiting how many transactions are in state
|
|
@param {Object} opts.preferencesStore
|
|
*/
|
|
|
|
export default class TransactionController extends EventEmitter {
|
|
constructor(opts) {
|
|
super();
|
|
this.networkStore = opts.networkStore || new ObservableStore({});
|
|
this._getCurrentChainId = opts.getCurrentChainId;
|
|
this.getProviderConfig = opts.getProviderConfig;
|
|
this._getCurrentNetworkEIP1559Compatibility =
|
|
opts.getCurrentNetworkEIP1559Compatibility;
|
|
this._getCurrentAccountEIP1559Compatibility =
|
|
opts.getCurrentAccountEIP1559Compatibility;
|
|
this.preferencesStore = opts.preferencesStore || new ObservableStore({});
|
|
this.provider = opts.provider;
|
|
this.getPermittedAccounts = opts.getPermittedAccounts;
|
|
this.blockTracker = opts.blockTracker;
|
|
this.signEthTx = opts.signTransaction;
|
|
this.inProcessOfSigning = new Set();
|
|
this._trackMetaMetricsEvent = opts.trackMetaMetricsEvent;
|
|
this._getParticipateInMetrics = opts.getParticipateInMetrics;
|
|
this._getEIP1559GasFeeEstimates = opts.getEIP1559GasFeeEstimates;
|
|
|
|
this.memStore = new ObservableStore({});
|
|
this.query = new EthQuery(this.provider);
|
|
|
|
this.txGasUtil = new TxGasUtil(this.provider);
|
|
this._mapMethods();
|
|
this.txStateManager = new TransactionStateManager({
|
|
initState: opts.initState,
|
|
txHistoryLimit: opts.txHistoryLimit,
|
|
getNetwork: this.getNetwork.bind(this),
|
|
getCurrentChainId: opts.getCurrentChainId,
|
|
});
|
|
this._onBootCleanUp();
|
|
|
|
this.store = this.txStateManager.store;
|
|
this.nonceTracker = new NonceTracker({
|
|
provider: this.provider,
|
|
blockTracker: this.blockTracker,
|
|
getPendingTransactions: this.txStateManager.getPendingTransactions.bind(
|
|
this.txStateManager,
|
|
),
|
|
getConfirmedTransactions: this.txStateManager.getConfirmedTransactions.bind(
|
|
this.txStateManager,
|
|
),
|
|
});
|
|
|
|
this.pendingTxTracker = new PendingTransactionTracker({
|
|
provider: this.provider,
|
|
nonceTracker: this.nonceTracker,
|
|
publishTransaction: (rawTx) => this.query.sendRawTransaction(rawTx),
|
|
getPendingTransactions: () => {
|
|
const pending = this.txStateManager.getPendingTransactions();
|
|
const approved = this.txStateManager.getApprovedTransactions();
|
|
return [...pending, ...approved];
|
|
},
|
|
approveTransaction: this.approveTransaction.bind(this),
|
|
getCompletedTransactions: this.txStateManager.getConfirmedTransactions.bind(
|
|
this.txStateManager,
|
|
),
|
|
});
|
|
|
|
this.txStateManager.store.subscribe(() =>
|
|
this.emit(METAMASK_CONTROLLER_EVENTS.UPDATE_BADGE),
|
|
);
|
|
this._setupListeners();
|
|
// memstore is computed from a few different stores
|
|
this._updateMemstore();
|
|
this.txStateManager.store.subscribe(() => this._updateMemstore());
|
|
this.networkStore.subscribe(() => {
|
|
this._onBootCleanUp();
|
|
this._updateMemstore();
|
|
});
|
|
|
|
// request state update to finalize initialization
|
|
this._updatePendingTxsAfterFirstBlock();
|
|
}
|
|
|
|
/**
|
|
* Gets the current chainId in the network store as a number, returning 0 if
|
|
* the chainId parses to NaN.
|
|
*
|
|
* @returns {number} The numerical chainId.
|
|
*/
|
|
getChainId() {
|
|
const networkState = this.networkStore.getState();
|
|
const chainId = this._getCurrentChainId();
|
|
const integerChainId = parseInt(chainId, 16);
|
|
if (networkState === 'loading' || Number.isNaN(integerChainId)) {
|
|
return 0;
|
|
}
|
|
return integerChainId;
|
|
}
|
|
|
|
async getEIP1559Compatibility(fromAddress) {
|
|
const currentNetworkIsCompatible = await this._getCurrentNetworkEIP1559Compatibility();
|
|
const fromAccountIsCompatible = await this._getCurrentAccountEIP1559Compatibility(
|
|
fromAddress,
|
|
);
|
|
return currentNetworkIsCompatible && fromAccountIsCompatible;
|
|
}
|
|
|
|
/**
|
|
* @ethereumjs/tx uses @ethereumjs/common as a configuration tool for
|
|
* specifying which chain, network, hardfork and EIPs to support for
|
|
* a transaction. By referencing this configuration, and analyzing the fields
|
|
* specified in txParams, @ethereumjs/tx is able to determine which EIP-2718
|
|
* transaction type to use.
|
|
* @returns {Common} common configuration object
|
|
*/
|
|
async getCommonConfiguration(fromAddress) {
|
|
const { type, nickname: name } = this.getProviderConfig();
|
|
const supportsEIP1559 = await this.getEIP1559Compatibility(fromAddress);
|
|
|
|
// This logic below will have to be updated each time a hardfork happens
|
|
// that carries with it a new Transaction type. It is inconsequential for
|
|
// hardforks that do not include new types.
|
|
const hardfork = supportsEIP1559 ? HARDFORKS.LONDON : HARDFORKS.BERLIN;
|
|
|
|
// type will be one of our default network names or 'rpc'. the default
|
|
// network names are sufficient configuration, simply pass the name as the
|
|
// chain argument in the constructor.
|
|
if (type !== NETWORK_TYPE_RPC) {
|
|
return new Common({
|
|
chain: type,
|
|
hardfork,
|
|
});
|
|
}
|
|
|
|
// For 'rpc' we need to use the same basic configuration as mainnet,
|
|
// since we only support EVM compatible chains, and then override the
|
|
// name, chainId and networkId properties. This is done using the
|
|
// `forCustomChain` static method on the Common class.
|
|
const chainId = parseInt(this._getCurrentChainId(), 16);
|
|
const networkId = this.networkStore.getState();
|
|
|
|
const customChainParams = {
|
|
name,
|
|
chainId,
|
|
// It is improbable for a transaction to be signed while the network
|
|
// is loading for two reasons.
|
|
// 1. Pending, unconfirmed transactions are wiped on network change
|
|
// 2. The UI is unusable (loading indicator) when network is loading.
|
|
// setting the networkId to 0 is for type safety and to explicity lead
|
|
// the transaction to failing if a user is able to get to this branch
|
|
// on a custom network that requires valid network id. I have not ran
|
|
// into this limitation on any network I have attempted, even when
|
|
// hardcoding networkId to 'loading'.
|
|
networkId: networkId === 'loading' ? 0 : parseInt(networkId, 10),
|
|
};
|
|
|
|
return Common.forCustomChain(MAINNET, customChainParams, hardfork);
|
|
}
|
|
|
|
/**
|
|
Adds a tx to the txlist
|
|
@emits ${txMeta.id}:unapproved
|
|
*/
|
|
addTransaction(txMeta) {
|
|
this.txStateManager.addTransaction(txMeta);
|
|
this.emit(`${txMeta.id}:unapproved`, txMeta);
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.ADDED);
|
|
}
|
|
|
|
/**
|
|
Wipes the transactions for a given account
|
|
@param {string} address - hex string of the from address for txs being removed
|
|
*/
|
|
wipeTransactions(address) {
|
|
this.txStateManager.wipeTransactions(address);
|
|
}
|
|
|
|
/**
|
|
* Add a new unapproved transaction to the pipeline
|
|
*
|
|
* @returns {Promise<string>} the hash of the transaction after being submitted to the network
|
|
* @param {Object} txParams - txParams for the transaction
|
|
* @param {Object} opts - with the key origin to put the origin on the txMeta
|
|
*/
|
|
async newUnapprovedTransaction(txParams, opts = {}) {
|
|
log.debug(
|
|
`MetaMaskController newUnapprovedTransaction ${JSON.stringify(txParams)}`,
|
|
);
|
|
|
|
const initialTxMeta = await this.addUnapprovedTransaction(
|
|
txParams,
|
|
opts.origin,
|
|
);
|
|
|
|
// listen for tx completion (success, fail)
|
|
return new Promise((resolve, reject) => {
|
|
this.txStateManager.once(
|
|
`${initialTxMeta.id}:finished`,
|
|
(finishedTxMeta) => {
|
|
switch (finishedTxMeta.status) {
|
|
case TRANSACTION_STATUSES.SUBMITTED:
|
|
return resolve(finishedTxMeta.hash);
|
|
case TRANSACTION_STATUSES.REJECTED:
|
|
return reject(
|
|
cleanErrorStack(
|
|
ethErrors.provider.userRejectedRequest(
|
|
'MetaMask Tx Signature: User denied transaction signature.',
|
|
),
|
|
),
|
|
);
|
|
case TRANSACTION_STATUSES.FAILED:
|
|
return reject(
|
|
cleanErrorStack(
|
|
ethErrors.rpc.internal(finishedTxMeta.err.message),
|
|
),
|
|
);
|
|
default:
|
|
return reject(
|
|
cleanErrorStack(
|
|
ethErrors.rpc.internal(
|
|
`MetaMask Tx Signature: Unknown problem: ${JSON.stringify(
|
|
finishedTxMeta.txParams,
|
|
)}`,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
},
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Validates and generates a txMeta with defaults and puts it in txStateManager
|
|
* store.
|
|
*
|
|
* @returns {txMeta}
|
|
*/
|
|
async addUnapprovedTransaction(txParams, origin) {
|
|
// validate
|
|
const normalizedTxParams = txUtils.normalizeTxParams(txParams);
|
|
const eip1559Compatibility = await this.getEIP1559Compatibility();
|
|
|
|
txUtils.validateTxParams(normalizedTxParams, eip1559Compatibility);
|
|
|
|
/**
|
|
`generateTxMeta` adds the default txMeta properties to the passed object.
|
|
These include the tx's `id`. As we use the id for determining order of
|
|
txes in the tx-state-manager, it is necessary to call the asynchronous
|
|
method `this._determineTransactionType` after `generateTxMeta`.
|
|
*/
|
|
let txMeta = this.txStateManager.generateTxMeta({
|
|
txParams: normalizedTxParams,
|
|
origin,
|
|
});
|
|
|
|
if (origin === 'metamask') {
|
|
// Assert the from address is the selected address
|
|
if (normalizedTxParams.from !== this.getSelectedAddress()) {
|
|
throw ethErrors.rpc.internal({
|
|
message: `Internally initiated transaction is using invalid account.`,
|
|
data: {
|
|
origin,
|
|
fromAddress: normalizedTxParams.from,
|
|
selectedAddress: this.getSelectedAddress(),
|
|
},
|
|
});
|
|
}
|
|
} else {
|
|
// Assert that the origin has permissions to initiate transactions from
|
|
// the specified address
|
|
const permittedAddresses = await this.getPermittedAccounts(origin);
|
|
if (!permittedAddresses.includes(normalizedTxParams.from)) {
|
|
throw ethErrors.provider.unauthorized({ data: { origin } });
|
|
}
|
|
}
|
|
|
|
const { type, getCodeResponse } = await this._determineTransactionType(
|
|
txParams,
|
|
);
|
|
txMeta.type = type;
|
|
|
|
// ensure value
|
|
txMeta.txParams.value = txMeta.txParams.value
|
|
? addHexPrefix(txMeta.txParams.value)
|
|
: '0x0';
|
|
|
|
this.addTransaction(txMeta);
|
|
this.emit('newUnapprovedTx', txMeta);
|
|
|
|
try {
|
|
txMeta = await this.addTxGasDefaults(txMeta, getCodeResponse);
|
|
} catch (error) {
|
|
log.warn(error);
|
|
txMeta = this.txStateManager.getTransaction(txMeta.id);
|
|
txMeta.loadingDefaults = false;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'Failed to calculate gas defaults.',
|
|
);
|
|
throw error;
|
|
}
|
|
|
|
txMeta.loadingDefaults = false;
|
|
// save txMeta
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'Added new unapproved transaction.',
|
|
);
|
|
|
|
return txMeta;
|
|
}
|
|
|
|
/**
|
|
* Adds the tx gas defaults: gas && gasPrice
|
|
* @param {Object} txMeta - the txMeta object
|
|
* @returns {Promise<object>} resolves with txMeta
|
|
*/
|
|
async addTxGasDefaults(txMeta, getCodeResponse) {
|
|
const eip1559Compatibility =
|
|
txMeta.txParams.type !== TRANSACTION_ENVELOPE_TYPES.LEGACY &&
|
|
(await this.getEIP1559Compatibility());
|
|
const {
|
|
gasPrice: defaultGasPrice,
|
|
maxFeePerGas: defaultMaxFeePerGas,
|
|
maxPriorityFeePerGas: defaultMaxPriorityFeePerGas,
|
|
} = await this._getDefaultGasFees(txMeta, eip1559Compatibility);
|
|
const {
|
|
gasLimit: defaultGasLimit,
|
|
simulationFails,
|
|
} = await this._getDefaultGasLimit(txMeta, getCodeResponse);
|
|
|
|
// eslint-disable-next-line no-param-reassign
|
|
txMeta = this.txStateManager.getTransaction(txMeta.id);
|
|
if (simulationFails) {
|
|
txMeta.simulationFails = simulationFails;
|
|
}
|
|
|
|
if (eip1559Compatibility) {
|
|
// If the dapp has suggested a gas price, but no maxFeePerGas or maxPriorityFeePerGas
|
|
// then we set maxFeePerGas and maxPriorityFeePerGas to the suggested gasPrice.
|
|
if (
|
|
txMeta.txParams.gasPrice &&
|
|
!txMeta.txParams.maxFeePerGas &&
|
|
!txMeta.txParams.maxPriorityFeePerGas
|
|
) {
|
|
txMeta.txParams.maxFeePerGas = txMeta.txParams.gasPrice;
|
|
txMeta.txParams.maxPriorityFeePerGas = txMeta.txParams.gasPrice;
|
|
txMeta.userFeeLevel = CUSTOM_GAS_ESTIMATE;
|
|
} else {
|
|
if (
|
|
(defaultMaxFeePerGas &&
|
|
defaultMaxPriorityFeePerGas &&
|
|
!txMeta.txParams.maxFeePerGas &&
|
|
!txMeta.txParams.maxPriorityFeePerGas) ||
|
|
txMeta.origin === 'metamask'
|
|
) {
|
|
txMeta.userFeeLevel = GAS_RECOMMENDATIONS.MEDIUM;
|
|
} else {
|
|
txMeta.userFeeLevel = CUSTOM_GAS_ESTIMATE;
|
|
}
|
|
|
|
if (defaultMaxFeePerGas && !txMeta.txParams.maxFeePerGas) {
|
|
// If the dapp has not set the gasPrice or the maxFeePerGas, then we set maxFeePerGas
|
|
// with the one returned by the gasFeeController, if that is available.
|
|
txMeta.txParams.maxFeePerGas = defaultMaxFeePerGas;
|
|
}
|
|
|
|
if (
|
|
defaultMaxPriorityFeePerGas &&
|
|
!txMeta.txParams.maxPriorityFeePerGas
|
|
) {
|
|
// If the dapp has not set the gasPrice or the maxPriorityFeePerGas, then we set maxPriorityFeePerGas
|
|
// with the one returned by the gasFeeController, if that is available.
|
|
txMeta.txParams.maxPriorityFeePerGas = defaultMaxPriorityFeePerGas;
|
|
}
|
|
|
|
if (defaultGasPrice && !txMeta.txParams.maxFeePerGas) {
|
|
// If the dapp has not set the gasPrice or the maxFeePerGas, and no maxFeePerGas is available
|
|
// from the gasFeeController, then we set maxFeePerGas to the defaultGasPrice, assuming it is
|
|
// available.
|
|
txMeta.txParams.maxFeePerGas = defaultGasPrice;
|
|
}
|
|
|
|
if (
|
|
txMeta.txParams.maxFeePerGas &&
|
|
!txMeta.txParams.maxPriorityFeePerGas
|
|
) {
|
|
// If the dapp has not set the gasPrice or the maxPriorityFeePerGas, and no maxPriorityFeePerGas is
|
|
// available from the gasFeeController, then we set maxPriorityFeePerGas to
|
|
// txMeta.txParams.maxFeePerGas, which will either be the gasPrice from the controller, the maxFeePerGas
|
|
// set by the dapp, or the maxFeePerGas from the controller.
|
|
txMeta.txParams.maxPriorityFeePerGas = txMeta.txParams.maxFeePerGas;
|
|
}
|
|
}
|
|
|
|
// We remove the gasPrice param entirely when on an eip1559 compatible network
|
|
|
|
delete txMeta.txParams.gasPrice;
|
|
} else {
|
|
// We ensure that maxFeePerGas and maxPriorityFeePerGas are not in the transaction params
|
|
// when not on a EIP1559 compatible network
|
|
|
|
delete txMeta.txParams.maxPriorityFeePerGas;
|
|
delete txMeta.txParams.maxFeePerGas;
|
|
}
|
|
|
|
// If we have gotten to this point, and none of gasPrice, maxPriorityFeePerGas or maxFeePerGas are
|
|
// set on txParams, it means that either we are on a non-EIP1559 network and the dapp didn't suggest
|
|
// a gas price, or we are on an EIP1559 network, and none of gasPrice, maxPriorityFeePerGas or maxFeePerGas
|
|
// were available from either the dapp or the network.
|
|
if (
|
|
defaultGasPrice &&
|
|
!txMeta.txParams.gasPrice &&
|
|
!txMeta.txParams.maxPriorityFeePerGas &&
|
|
!txMeta.txParams.maxFeePerGas
|
|
) {
|
|
txMeta.txParams.gasPrice = defaultGasPrice;
|
|
}
|
|
|
|
if (defaultGasLimit && !txMeta.txParams.gas) {
|
|
txMeta.txParams.gas = defaultGasLimit;
|
|
}
|
|
return txMeta;
|
|
}
|
|
|
|
/**
|
|
* Gets default gas fees, or returns `undefined` if gas fees are already set
|
|
* @param {Object} txMeta - The txMeta object
|
|
* @returns {Promise<string|undefined>} The default gas price
|
|
*/
|
|
async _getDefaultGasFees(txMeta, eip1559Compatibility) {
|
|
if (
|
|
(!eip1559Compatibility && txMeta.txParams.gasPrice) ||
|
|
(eip1559Compatibility &&
|
|
txMeta.txParams.maxFeePerGas &&
|
|
txMeta.txParams.maxPriorityFeePerGas)
|
|
) {
|
|
return {};
|
|
}
|
|
|
|
try {
|
|
const {
|
|
gasFeeEstimates,
|
|
gasEstimateType,
|
|
} = await this._getEIP1559GasFeeEstimates();
|
|
if (
|
|
eip1559Compatibility &&
|
|
gasEstimateType === GAS_ESTIMATE_TYPES.FEE_MARKET
|
|
) {
|
|
const {
|
|
medium: { suggestedMaxPriorityFeePerGas, suggestedMaxFeePerGas } = {},
|
|
} = gasFeeEstimates;
|
|
|
|
if (suggestedMaxPriorityFeePerGas && suggestedMaxFeePerGas) {
|
|
return {
|
|
maxFeePerGas: decGWEIToHexWEI(suggestedMaxFeePerGas),
|
|
maxPriorityFeePerGas: decGWEIToHexWEI(
|
|
suggestedMaxPriorityFeePerGas,
|
|
),
|
|
};
|
|
}
|
|
} else if (gasEstimateType === GAS_ESTIMATE_TYPES.LEGACY) {
|
|
// The LEGACY type includes low, medium and high estimates of
|
|
// gas price values.
|
|
return {
|
|
gasPrice: decGWEIToHexWEI(gasFeeEstimates.medium),
|
|
};
|
|
} else if (gasEstimateType === GAS_ESTIMATE_TYPES.ETH_GASPRICE) {
|
|
// The ETH_GASPRICE type just includes a single gas price property,
|
|
// which we can assume was retrieved from eth_gasPrice
|
|
return {
|
|
gasPrice: decGWEIToHexWEI(gasFeeEstimates.gasPrice),
|
|
};
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
|
|
const gasPrice = await this.query.gasPrice();
|
|
|
|
return { gasPrice: gasPrice && addHexPrefix(gasPrice.toString(16)) };
|
|
}
|
|
|
|
/**
|
|
* Gets default gas limit, or debug information about why gas estimate failed.
|
|
* @param {Object} txMeta - The txMeta object
|
|
* @param {string} getCodeResponse - The transaction category code response, used for debugging purposes
|
|
* @returns {Promise<Object>} Object containing the default gas limit, or the simulation failure object
|
|
*/
|
|
async _getDefaultGasLimit(txMeta, getCodeResponse) {
|
|
const chainId = this._getCurrentChainId();
|
|
const customNetworkGasBuffer = CHAIN_ID_TO_GAS_LIMIT_BUFFER_MAP[chainId];
|
|
const chainType = getChainType(chainId);
|
|
|
|
if (txMeta.txParams.gas) {
|
|
return {};
|
|
} else if (
|
|
txMeta.txParams.to &&
|
|
txMeta.type === TRANSACTION_TYPES.SIMPLE_SEND &&
|
|
chainType !== 'custom'
|
|
) {
|
|
// if there's data in the params, but there's no contract code, it's not a valid transaction
|
|
if (txMeta.txParams.data) {
|
|
const err = new Error(
|
|
'TxGasUtil - Trying to call a function on a non-contract address',
|
|
);
|
|
// set error key so ui can display localized error message
|
|
err.errorKey = TRANSACTION_NO_CONTRACT_ERROR_KEY;
|
|
|
|
// set the response on the error so that we can see in logs what the actual response was
|
|
err.getCodeResponse = getCodeResponse;
|
|
throw err;
|
|
}
|
|
|
|
// This is a standard ether simple send, gas requirement is exactly 21k
|
|
return { gasLimit: GAS_LIMITS.SIMPLE };
|
|
}
|
|
|
|
const {
|
|
blockGasLimit,
|
|
estimatedGasHex,
|
|
simulationFails,
|
|
} = await this.txGasUtil.analyzeGasUsage(txMeta);
|
|
|
|
// add additional gas buffer to our estimation for safety
|
|
const gasLimit = this.txGasUtil.addGasBuffer(
|
|
addHexPrefix(estimatedGasHex),
|
|
blockGasLimit,
|
|
customNetworkGasBuffer,
|
|
);
|
|
return { gasLimit, simulationFails };
|
|
}
|
|
|
|
/**
|
|
* Given a TransactionMeta object, generate new gas params such that if the
|
|
* transaction was an EIP1559 transaction, it only has EIP1559 gas fields,
|
|
* otherwise it only has gasPrice. Will use whatever custom values are
|
|
* specified in customGasSettings, or falls back to incrementing by a percent
|
|
* which is defined by specifying a numerator. 11 is a 10% bump, 12 would be
|
|
* a 20% bump, and so on.
|
|
* @param {import(
|
|
* '../../../../shared/constants/transaction'
|
|
* ).TransactionMeta} originalTxMeta - Original transaction to use as base
|
|
* @param {CustomGasSettings} [customGasSettings] - overrides for the gas
|
|
* fields to use instead of the multiplier
|
|
* @param {number} [incrementNumerator] - Numerator from which to generate a
|
|
* percentage bump of gas price. E.g 11 would be a 10% bump over base.
|
|
* @returns {{ newGasParams: CustomGasSettings, previousGasParams: CustomGasSettings }}
|
|
*/
|
|
generateNewGasParams(
|
|
originalTxMeta,
|
|
customGasSettings = {},
|
|
incrementNumerator = 11,
|
|
) {
|
|
const { txParams } = originalTxMeta;
|
|
const previousGasParams = {};
|
|
const newGasParams = {};
|
|
if (customGasSettings.gasLimit) {
|
|
newGasParams.gas = customGasSettings?.gas ?? GAS_LIMITS.SIMPLE;
|
|
}
|
|
|
|
if (customGasSettings.estimateSuggested) {
|
|
newGasParams.estimateSuggested = customGasSettings.estimateSuggested;
|
|
}
|
|
|
|
if (customGasSettings.estimateUsed) {
|
|
newGasParams.estimateUsed = customGasSettings.estimateUsed;
|
|
}
|
|
|
|
if (isEIP1559Transaction(originalTxMeta)) {
|
|
previousGasParams.maxFeePerGas = txParams.maxFeePerGas;
|
|
previousGasParams.maxPriorityFeePerGas = txParams.maxPriorityFeePerGas;
|
|
newGasParams.maxFeePerGas =
|
|
customGasSettings?.maxFeePerGas ||
|
|
bnToHex(
|
|
BnMultiplyByFraction(
|
|
hexToBn(txParams.maxFeePerGas),
|
|
incrementNumerator,
|
|
10,
|
|
),
|
|
);
|
|
newGasParams.maxPriorityFeePerGas =
|
|
customGasSettings?.maxPriorityFeePerGas ||
|
|
bnToHex(
|
|
BnMultiplyByFraction(
|
|
hexToBn(txParams.maxPriorityFeePerGas),
|
|
incrementNumerator,
|
|
10,
|
|
),
|
|
);
|
|
} else {
|
|
previousGasParams.gasPrice = txParams.gasPrice;
|
|
newGasParams.gasPrice =
|
|
customGasSettings?.gasPrice ||
|
|
bnToHex(
|
|
BnMultiplyByFraction(
|
|
hexToBn(txParams.gasPrice),
|
|
incrementNumerator,
|
|
10,
|
|
),
|
|
);
|
|
}
|
|
|
|
return { previousGasParams, newGasParams };
|
|
}
|
|
|
|
/**
|
|
* Creates a new approved transaction to attempt to cancel a previously submitted transaction. The
|
|
* new transaction contains the same nonce as the previous, is a basic ETH transfer of 0x value to
|
|
* the sender's address, and has a higher gasPrice than that of the previous transaction.
|
|
* @param {number} originalTxId - the id of the txMeta that you want to attempt to cancel
|
|
* @param {CustomGasSettings} [customGasSettings] - overrides to use for gas
|
|
* params instead of allowing this method to generate them
|
|
* @returns {txMeta}
|
|
*/
|
|
async createCancelTransaction(
|
|
originalTxId,
|
|
customGasSettings,
|
|
{ estimatedBaseFee } = {},
|
|
) {
|
|
const originalTxMeta = this.txStateManager.getTransaction(originalTxId);
|
|
const { txParams } = originalTxMeta;
|
|
const { from, nonce } = txParams;
|
|
|
|
const { previousGasParams, newGasParams } = this.generateNewGasParams(
|
|
originalTxMeta,
|
|
{
|
|
...customGasSettings,
|
|
// We want to override the previous transactions gasLimit because it
|
|
// will now be a simple send instead of whatever it was before such
|
|
// as a token transfer or contract call.
|
|
gasLimit: customGasSettings.gasLimit || GAS_LIMITS.SIMPLE,
|
|
},
|
|
);
|
|
|
|
const newTxMeta = this.txStateManager.generateTxMeta({
|
|
txParams: {
|
|
from,
|
|
to: from,
|
|
nonce,
|
|
value: '0x0',
|
|
...newGasParams,
|
|
},
|
|
previousGasParams,
|
|
loadingDefaults: false,
|
|
status: TRANSACTION_STATUSES.APPROVED,
|
|
type: TRANSACTION_TYPES.CANCEL,
|
|
});
|
|
|
|
if (estimatedBaseFee) {
|
|
newTxMeta.estimatedBaseFee = estimatedBaseFee;
|
|
}
|
|
|
|
this.addTransaction(newTxMeta);
|
|
await this.approveTransaction(newTxMeta.id);
|
|
return newTxMeta;
|
|
}
|
|
|
|
/**
|
|
* Creates a new approved transaction to attempt to speed up a previously submitted transaction. The
|
|
* new transaction contains the same nonce as the previous. By default, the new transaction will use
|
|
* the same gas limit and a 10% higher gas price, though it is possible to set a custom value for
|
|
* each instead.
|
|
* @param {number} originalTxId - the id of the txMeta that you want to speed up
|
|
* @param {CustomGasSettings} [customGasSettings] - overrides to use for gas
|
|
* params instead of allowing this method to generate them
|
|
* @returns {txMeta}
|
|
*/
|
|
async createSpeedUpTransaction(
|
|
originalTxId,
|
|
customGasSettings,
|
|
{ estimatedBaseFee } = {},
|
|
) {
|
|
const originalTxMeta = this.txStateManager.getTransaction(originalTxId);
|
|
const { txParams } = originalTxMeta;
|
|
|
|
const { previousGasParams, newGasParams } = this.generateNewGasParams(
|
|
originalTxMeta,
|
|
customGasSettings,
|
|
);
|
|
|
|
const newTxMeta = this.txStateManager.generateTxMeta({
|
|
txParams: {
|
|
...txParams,
|
|
...newGasParams,
|
|
},
|
|
previousGasParams,
|
|
loadingDefaults: false,
|
|
status: TRANSACTION_STATUSES.APPROVED,
|
|
type: TRANSACTION_TYPES.RETRY,
|
|
});
|
|
|
|
if (estimatedBaseFee) {
|
|
newTxMeta.estimatedBaseFee = estimatedBaseFee;
|
|
}
|
|
|
|
this.addTransaction(newTxMeta);
|
|
await this.approveTransaction(newTxMeta.id);
|
|
return newTxMeta;
|
|
}
|
|
|
|
/**
|
|
updates the txMeta in the txStateManager
|
|
@param {Object} txMeta - the updated txMeta
|
|
*/
|
|
async updateTransaction(txMeta) {
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'confTx: user updated transaction',
|
|
);
|
|
}
|
|
|
|
/**
|
|
updates and approves the transaction
|
|
@param {Object} txMeta
|
|
*/
|
|
async updateAndApproveTransaction(txMeta) {
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'confTx: user approved transaction',
|
|
);
|
|
await this.approveTransaction(txMeta.id);
|
|
}
|
|
|
|
/**
|
|
sets the tx status to approved
|
|
auto fills the nonce
|
|
signs the transaction
|
|
publishes the transaction
|
|
if any of these steps fails the tx status will be set to failed
|
|
@param {number} txId - the tx's Id
|
|
*/
|
|
async approveTransaction(txId) {
|
|
// TODO: Move this safety out of this function.
|
|
// Since this transaction is async,
|
|
// we need to keep track of what is currently being signed,
|
|
// So that we do not increment nonce + resubmit something
|
|
// that is already being incremented & signed.
|
|
if (this.inProcessOfSigning.has(txId)) {
|
|
return;
|
|
}
|
|
this.inProcessOfSigning.add(txId);
|
|
let nonceLock;
|
|
try {
|
|
// approve
|
|
this.txStateManager.setTxStatusApproved(txId);
|
|
// get next nonce
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
|
|
const fromAddress = txMeta.txParams.from;
|
|
// wait for a nonce
|
|
let { customNonceValue } = txMeta;
|
|
customNonceValue = Number(customNonceValue);
|
|
nonceLock = await this.nonceTracker.getNonceLock(fromAddress);
|
|
// add nonce to txParams
|
|
// if txMeta has previousGasParams then it is a retry at same nonce with
|
|
// higher gas settings and therefor the nonce should not be recalculated
|
|
const nonce = txMeta.previousGasParams
|
|
? txMeta.txParams.nonce
|
|
: nonceLock.nextNonce;
|
|
const customOrNonce =
|
|
customNonceValue === 0 ? customNonceValue : customNonceValue || nonce;
|
|
|
|
txMeta.txParams.nonce = addHexPrefix(customOrNonce.toString(16));
|
|
// add nonce debugging information to txMeta
|
|
txMeta.nonceDetails = nonceLock.nonceDetails;
|
|
if (customNonceValue) {
|
|
txMeta.nonceDetails.customNonceValue = customNonceValue;
|
|
}
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions#approveTransaction',
|
|
);
|
|
// sign transaction
|
|
const rawTx = await this.signTransaction(txId);
|
|
await this.publishTransaction(txId, rawTx);
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.APPROVED);
|
|
// must set transaction to submitted/failed before releasing lock
|
|
nonceLock.releaseLock();
|
|
} catch (err) {
|
|
// this is try-catch wrapped so that we can guarantee that the nonceLock is released
|
|
try {
|
|
this._failTransaction(txId, err);
|
|
} catch (err2) {
|
|
log.error(err2);
|
|
}
|
|
// must set transaction to submitted/failed before releasing lock
|
|
if (nonceLock) {
|
|
nonceLock.releaseLock();
|
|
}
|
|
// continue with error chain
|
|
throw err;
|
|
} finally {
|
|
this.inProcessOfSigning.delete(txId);
|
|
}
|
|
}
|
|
|
|
/**
|
|
adds the chain id and signs the transaction and set the status to signed
|
|
@param {number} txId - the tx's Id
|
|
@returns {string} rawTx
|
|
*/
|
|
async signTransaction(txId) {
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
// add network/chain id
|
|
const chainId = this.getChainId();
|
|
const type = isEIP1559Transaction(txMeta)
|
|
? TRANSACTION_ENVELOPE_TYPES.FEE_MARKET
|
|
: TRANSACTION_ENVELOPE_TYPES.LEGACY;
|
|
const txParams = {
|
|
...txMeta.txParams,
|
|
type,
|
|
chainId,
|
|
gasLimit: txMeta.txParams.gas,
|
|
};
|
|
// sign tx
|
|
const fromAddress = txParams.from;
|
|
const common = await this.getCommonConfiguration(txParams.from);
|
|
const unsignedEthTx = TransactionFactory.fromTxData(txParams, { common });
|
|
const signedEthTx = await this.signEthTx(unsignedEthTx, fromAddress);
|
|
|
|
// add r,s,v values for provider request purposes see createMetamaskMiddleware
|
|
// and JSON rpc standard for further explanation
|
|
txMeta.r = bufferToHex(signedEthTx.r);
|
|
txMeta.s = bufferToHex(signedEthTx.s);
|
|
txMeta.v = bufferToHex(signedEthTx.v);
|
|
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions#signTransaction: add r, s, v values',
|
|
);
|
|
|
|
// set state to signed
|
|
this.txStateManager.setTxStatusSigned(txMeta.id);
|
|
const rawTx = bufferToHex(signedEthTx.serialize());
|
|
return rawTx;
|
|
}
|
|
|
|
/**
|
|
publishes the raw tx and sets the txMeta to submitted
|
|
@param {number} txId - the tx's Id
|
|
@param {string} rawTx - the hex string of the serialized signed transaction
|
|
@returns {Promise<void>}
|
|
*/
|
|
async publishTransaction(txId, rawTx) {
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
txMeta.rawTx = rawTx;
|
|
if (txMeta.type === TRANSACTION_TYPES.SWAP) {
|
|
const preTxBalance = await this.query.getBalance(txMeta.txParams.from);
|
|
txMeta.preTxBalance = preTxBalance.toString(16);
|
|
}
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions#publishTransaction',
|
|
);
|
|
let txHash;
|
|
try {
|
|
txHash = await this.query.sendRawTransaction(rawTx);
|
|
} catch (error) {
|
|
if (error.message.toLowerCase().includes('known transaction')) {
|
|
txHash = keccak(toBuffer(addHexPrefix(rawTx), 'hex')).toString('hex');
|
|
txHash = addHexPrefix(txHash);
|
|
} else {
|
|
throw error;
|
|
}
|
|
}
|
|
this.setTxHash(txId, txHash);
|
|
|
|
this.txStateManager.setTxStatusSubmitted(txId);
|
|
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.SUBMITTED);
|
|
}
|
|
|
|
/**
|
|
* Sets the status of the transaction to confirmed and sets the status of nonce duplicates as
|
|
* dropped if the txParams have data it will fetch the txReceipt
|
|
* @param {number} txId - The tx's ID
|
|
* @returns {Promise<void>}
|
|
*/
|
|
async confirmTransaction(txId, txReceipt, baseFeePerGas) {
|
|
// get the txReceipt before marking the transaction confirmed
|
|
// to ensure the receipt is gotten before the ui revives the tx
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
|
|
if (!txMeta) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
// It seems that sometimes the numerical values being returned from
|
|
// this.query.getTransactionReceipt are BN instances and not strings.
|
|
const gasUsed =
|
|
typeof txReceipt.gasUsed === 'string'
|
|
? txReceipt.gasUsed
|
|
: txReceipt.gasUsed.toString(16);
|
|
|
|
txMeta.txReceipt = {
|
|
...txReceipt,
|
|
gasUsed,
|
|
};
|
|
|
|
if (baseFeePerGas) {
|
|
txMeta.baseFeePerGas = baseFeePerGas;
|
|
}
|
|
|
|
this.txStateManager.setTxStatusConfirmed(txId);
|
|
this._markNonceDuplicatesDropped(txId);
|
|
|
|
const { submittedTime } = txMeta;
|
|
const metricsParams = { gas_used: gasUsed };
|
|
|
|
if (submittedTime) {
|
|
metricsParams.completion_time = this._getTransactionCompletionTime(
|
|
submittedTime,
|
|
);
|
|
}
|
|
|
|
if (txReceipt.status === '0x0') {
|
|
metricsParams.status = 'failed on-chain';
|
|
// metricsParams.error = TODO: figure out a way to get the on-chain failure reason
|
|
}
|
|
|
|
this._trackTransactionMetricsEvent(
|
|
txMeta,
|
|
TRANSACTION_EVENTS.FINALIZED,
|
|
metricsParams,
|
|
);
|
|
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions#confirmTransaction - add txReceipt',
|
|
);
|
|
|
|
if (txMeta.type === TRANSACTION_TYPES.SWAP) {
|
|
const postTxBalance = await this.query.getBalance(txMeta.txParams.from);
|
|
const latestTxMeta = this.txStateManager.getTransaction(txId);
|
|
|
|
const approvalTxMeta = latestTxMeta.approvalTxId
|
|
? this.txStateManager.getTransaction(latestTxMeta.approvalTxId)
|
|
: null;
|
|
|
|
latestTxMeta.postTxBalance = postTxBalance.toString(16);
|
|
|
|
this.txStateManager.updateTransaction(
|
|
latestTxMeta,
|
|
'transactions#confirmTransaction - add postTxBalance',
|
|
);
|
|
|
|
this._trackSwapsMetrics(latestTxMeta, approvalTxMeta);
|
|
}
|
|
} catch (err) {
|
|
log.error(err);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Convenience method for the ui thats sets the transaction to rejected
|
|
@param {number} txId - the tx's Id
|
|
@returns {Promise<void>}
|
|
*/
|
|
async cancelTransaction(txId) {
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
this.txStateManager.setTxStatusRejected(txId);
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.REJECTED);
|
|
}
|
|
|
|
/**
|
|
Sets the txHas on the txMeta
|
|
@param {number} txId - the tx's Id
|
|
@param {string} txHash - the hash for the txMeta
|
|
*/
|
|
setTxHash(txId, txHash) {
|
|
// Add the tx hash to the persisted meta-tx object
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
txMeta.hash = txHash;
|
|
this.txStateManager.updateTransaction(txMeta, 'transactions#setTxHash');
|
|
}
|
|
|
|
//
|
|
// PRIVATE METHODS
|
|
//
|
|
/** maps methods for convenience*/
|
|
_mapMethods() {
|
|
/** @returns {Object} the state in transaction controller */
|
|
this.getState = () => this.memStore.getState();
|
|
|
|
/** @returns {string|number} the network number stored in networkStore */
|
|
this.getNetwork = () => this.networkStore.getState();
|
|
|
|
/** @returns {string} the user selected address */
|
|
this.getSelectedAddress = () =>
|
|
this.preferencesStore.getState().selectedAddress;
|
|
|
|
/** @returns {Array} transactions whos status is unapproved */
|
|
this.getUnapprovedTxCount = () =>
|
|
Object.keys(this.txStateManager.getUnapprovedTxList()).length;
|
|
|
|
/**
|
|
@returns {number} number of transactions that have the status submitted
|
|
@param {string} account - hex prefixed account
|
|
*/
|
|
this.getPendingTxCount = (account) =>
|
|
this.txStateManager.getPendingTransactions(account).length;
|
|
|
|
/** see txStateManager */
|
|
this.getTransactions = (opts) => this.txStateManager.getTransactions(opts);
|
|
}
|
|
|
|
// called once on startup
|
|
async _updatePendingTxsAfterFirstBlock() {
|
|
// wait for first block so we know we're ready
|
|
await this.blockTracker.getLatestBlock();
|
|
// get status update for all pending transactions (for the current network)
|
|
await this.pendingTxTracker.updatePendingTxs();
|
|
}
|
|
|
|
/**
|
|
If transaction controller was rebooted with transactions that are uncompleted
|
|
in steps of the transaction signing or user confirmation process it will either
|
|
transition txMetas to a failed state or try to redo those tasks.
|
|
*/
|
|
|
|
_onBootCleanUp() {
|
|
this.txStateManager
|
|
.getTransactions({
|
|
searchCriteria: {
|
|
status: TRANSACTION_STATUSES.UNAPPROVED,
|
|
loadingDefaults: true,
|
|
},
|
|
})
|
|
.forEach((tx) => {
|
|
this.addTxGasDefaults(tx)
|
|
.then((txMeta) => {
|
|
txMeta.loadingDefaults = false;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions: gas estimation for tx on boot',
|
|
);
|
|
})
|
|
.catch((error) => {
|
|
const txMeta = this.txStateManager.getTransaction(tx.id);
|
|
txMeta.loadingDefaults = false;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'failed to estimate gas during boot cleanup.',
|
|
);
|
|
this._failTransaction(txMeta.id, error);
|
|
});
|
|
});
|
|
|
|
this.txStateManager
|
|
.getTransactions({
|
|
searchCriteria: {
|
|
status: TRANSACTION_STATUSES.APPROVED,
|
|
},
|
|
})
|
|
.forEach((txMeta) => {
|
|
const txSignError = new Error(
|
|
'Transaction found as "approved" during boot - possibly stuck during signing',
|
|
);
|
|
this._failTransaction(txMeta.id, txSignError);
|
|
});
|
|
}
|
|
|
|
/**
|
|
is called in constructor applies the listeners for pendingTxTracker txStateManager
|
|
and blockTracker
|
|
*/
|
|
_setupListeners() {
|
|
this.txStateManager.on(
|
|
'tx:status-update',
|
|
this.emit.bind(this, 'tx:status-update'),
|
|
);
|
|
this._setupBlockTrackerListener();
|
|
this.pendingTxTracker.on('tx:warning', (txMeta) => {
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions/pending-tx-tracker#event: tx:warning',
|
|
);
|
|
});
|
|
this.pendingTxTracker.on('tx:failed', (txId, error) => {
|
|
this._failTransaction(txId, error);
|
|
});
|
|
this.pendingTxTracker.on(
|
|
'tx:confirmed',
|
|
(txId, transactionReceipt, baseFeePerGas) =>
|
|
this.confirmTransaction(txId, transactionReceipt, baseFeePerGas),
|
|
);
|
|
this.pendingTxTracker.on('tx:dropped', (txId) => {
|
|
this._dropTransaction(txId);
|
|
});
|
|
this.pendingTxTracker.on('tx:block-update', (txMeta, latestBlockNumber) => {
|
|
if (!txMeta.firstRetryBlockNumber) {
|
|
txMeta.firstRetryBlockNumber = latestBlockNumber;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions/pending-tx-tracker#event: tx:block-update',
|
|
);
|
|
}
|
|
});
|
|
this.pendingTxTracker.on('tx:retry', (txMeta) => {
|
|
if (!('retryCount' in txMeta)) {
|
|
txMeta.retryCount = 0;
|
|
}
|
|
txMeta.retryCount += 1;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions/pending-tx-tracker#event: tx:retry',
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @typedef { 'transfer' | 'approve' | 'transferfrom' | 'contractInteraction'| 'simpleSend' } InferrableTransactionTypes
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} InferTransactionTypeResult
|
|
* @property {InferrableTransactionTypes} type - The type of transaction
|
|
* @property {string} getCodeResponse - The contract code, in hex format if
|
|
* it exists. '0x0' or '0x' are also indicators of non-existent contract
|
|
* code
|
|
*/
|
|
|
|
/**
|
|
* Determines the type of the transaction by analyzing the txParams.
|
|
* This method will return one of the types defined in shared/constants/transactions
|
|
* It will never return TRANSACTION_TYPE_CANCEL or TRANSACTION_TYPE_RETRY as these
|
|
* represent specific events that we control from the extension and are added manually
|
|
* at transaction creation.
|
|
* @param {Object} txParams - Parameters for the transaction
|
|
* @returns {InferTransactionTypeResult}
|
|
*/
|
|
async _determineTransactionType(txParams) {
|
|
const { data, to } = txParams;
|
|
let name;
|
|
try {
|
|
name = data && hstInterface.parseTransaction({ data }).name;
|
|
} catch (error) {
|
|
log.debug('Failed to parse transaction data.', error, data);
|
|
}
|
|
|
|
const tokenMethodName = [
|
|
TRANSACTION_TYPES.TOKEN_METHOD_APPROVE,
|
|
TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER,
|
|
TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER_FROM,
|
|
].find((methodName) => methodName === name && name.toLowerCase());
|
|
|
|
let result;
|
|
if (data && tokenMethodName) {
|
|
result = tokenMethodName;
|
|
} else if (data && !to) {
|
|
result = TRANSACTION_TYPES.DEPLOY_CONTRACT;
|
|
}
|
|
|
|
let contractCode;
|
|
|
|
if (!result) {
|
|
const {
|
|
contractCode: resultCode,
|
|
isContractAddress,
|
|
} = await readAddressAsContract(this.query, to);
|
|
|
|
contractCode = resultCode;
|
|
result = isContractAddress
|
|
? TRANSACTION_TYPES.CONTRACT_INTERACTION
|
|
: TRANSACTION_TYPES.SIMPLE_SEND;
|
|
}
|
|
|
|
return { type: result, getCodeResponse: contractCode };
|
|
}
|
|
|
|
/**
|
|
Sets other txMeta statuses to dropped if the txMeta that has been confirmed has other transactions
|
|
in the list have the same nonce
|
|
|
|
@param {number} txId - the txId of the transaction that has been confirmed in a block
|
|
*/
|
|
_markNonceDuplicatesDropped(txId) {
|
|
// get the confirmed transactions nonce and from address
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
const { nonce, from } = txMeta.txParams;
|
|
const sameNonceTxs = this.txStateManager.getTransactions({
|
|
searchCriteria: { nonce, from },
|
|
});
|
|
if (!sameNonceTxs.length) {
|
|
return;
|
|
}
|
|
// mark all same nonce transactions as dropped and give i a replacedBy hash
|
|
sameNonceTxs.forEach((otherTxMeta) => {
|
|
if (otherTxMeta.id === txId) {
|
|
return;
|
|
}
|
|
otherTxMeta.replacedBy = txMeta.hash;
|
|
this.txStateManager.updateTransaction(
|
|
txMeta,
|
|
'transactions/pending-tx-tracker#event: tx:confirmed reference to confirmed txHash with same nonce',
|
|
);
|
|
this._dropTransaction(otherTxMeta.id);
|
|
});
|
|
}
|
|
|
|
_setupBlockTrackerListener() {
|
|
let listenersAreActive = false;
|
|
const latestBlockHandler = this._onLatestBlock.bind(this);
|
|
const { blockTracker, txStateManager } = this;
|
|
|
|
txStateManager.on('tx:status-update', updateSubscription);
|
|
updateSubscription();
|
|
|
|
function updateSubscription() {
|
|
const pendingTxs = txStateManager.getPendingTransactions();
|
|
if (!listenersAreActive && pendingTxs.length > 0) {
|
|
blockTracker.on('latest', latestBlockHandler);
|
|
listenersAreActive = true;
|
|
} else if (listenersAreActive && !pendingTxs.length) {
|
|
blockTracker.removeListener('latest', latestBlockHandler);
|
|
listenersAreActive = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
async _onLatestBlock(blockNumber) {
|
|
try {
|
|
await this.pendingTxTracker.updatePendingTxs();
|
|
} catch (err) {
|
|
log.error(err);
|
|
}
|
|
try {
|
|
await this.pendingTxTracker.resubmitPendingTxs(blockNumber);
|
|
} catch (err) {
|
|
log.error(err);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Updates the memStore in transaction controller
|
|
*/
|
|
_updateMemstore() {
|
|
const unapprovedTxs = this.txStateManager.getUnapprovedTxList();
|
|
const currentNetworkTxList = this.txStateManager.getTransactions({
|
|
limit: MAX_MEMSTORE_TX_LIST_SIZE,
|
|
});
|
|
this.memStore.updateState({ unapprovedTxs, currentNetworkTxList });
|
|
}
|
|
|
|
_trackSwapsMetrics(txMeta, approvalTxMeta) {
|
|
if (this._getParticipateInMetrics() && txMeta.swapMetaData) {
|
|
if (txMeta.txReceipt.status === '0x0') {
|
|
this._trackMetaMetricsEvent({
|
|
event: 'Swap Failed',
|
|
sensitiveProperties: { ...txMeta.swapMetaData },
|
|
category: 'swaps',
|
|
});
|
|
} else {
|
|
const tokensReceived = getSwapsTokensReceivedFromTxMeta(
|
|
txMeta.destinationTokenSymbol,
|
|
txMeta,
|
|
txMeta.destinationTokenAddress,
|
|
txMeta.txParams.from,
|
|
txMeta.destinationTokenDecimals,
|
|
approvalTxMeta,
|
|
txMeta.chainId,
|
|
);
|
|
|
|
const quoteVsExecutionRatio = tokensReceived
|
|
? `${new BigNumber(tokensReceived, 10)
|
|
.div(txMeta.swapMetaData.token_to_amount, 10)
|
|
.times(100)
|
|
.round(2)}%`
|
|
: null;
|
|
|
|
const estimatedVsUsedGasRatio = `${new BigNumber(
|
|
txMeta.txReceipt.gasUsed,
|
|
16,
|
|
)
|
|
.div(txMeta.swapMetaData.estimated_gas, 10)
|
|
.times(100)
|
|
.round(2)}%`;
|
|
|
|
this._trackMetaMetricsEvent({
|
|
event: 'Swap Completed',
|
|
category: 'swaps',
|
|
sensitiveProperties: {
|
|
...txMeta.swapMetaData,
|
|
token_to_amount_received: tokensReceived,
|
|
quote_vs_executionRatio: quoteVsExecutionRatio,
|
|
estimated_vs_used_gasRatio: estimatedVsUsedGasRatio,
|
|
},
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extracts relevant properties from a transaction meta
|
|
* object and uses them to create and send metrics for various transaction
|
|
* events.
|
|
* @param {Object} txMeta - the txMeta object
|
|
* @param {string} event - the name of the transaction event
|
|
* @param {Object} extraParams - optional props and values to include in sensitiveProperties
|
|
*/
|
|
_trackTransactionMetricsEvent(txMeta, event, extraParams = {}) {
|
|
if (!txMeta) {
|
|
return;
|
|
}
|
|
|
|
const {
|
|
type,
|
|
time,
|
|
status,
|
|
chainId,
|
|
origin: referrer,
|
|
txParams: {
|
|
gasPrice,
|
|
gas: gasLimit,
|
|
maxFeePerGas,
|
|
maxPriorityFeePerGas,
|
|
estimateSuggested,
|
|
estimateUsed,
|
|
},
|
|
metamaskNetworkId: network,
|
|
} = txMeta;
|
|
const source = referrer === 'metamask' ? 'user' : 'dapp';
|
|
|
|
const gasParams = {};
|
|
|
|
if (isEIP1559Transaction(txMeta)) {
|
|
gasParams.max_fee_per_gas = maxFeePerGas;
|
|
gasParams.max_priority_fee_per_gas = maxPriorityFeePerGas;
|
|
} else {
|
|
gasParams.gas_price = gasPrice;
|
|
}
|
|
|
|
if (estimateSuggested) {
|
|
gasParams.estimate_suggested = estimateSuggested;
|
|
}
|
|
|
|
if (estimateUsed) {
|
|
gasParams.estimate_used = estimateUsed;
|
|
}
|
|
|
|
const gasParamsInGwei = this._getGasValuesInGWEI(gasParams);
|
|
|
|
this._trackMetaMetricsEvent({
|
|
event,
|
|
category: 'Transactions',
|
|
properties: {
|
|
chain_id: chainId,
|
|
referrer,
|
|
source,
|
|
network,
|
|
type,
|
|
},
|
|
sensitiveProperties: {
|
|
status,
|
|
transaction_envelope_type: isEIP1559Transaction(txMeta)
|
|
? TRANSACTION_ENVELOPE_TYPE_NAMES.FEE_MARKET
|
|
: TRANSACTION_ENVELOPE_TYPE_NAMES.LEGACY,
|
|
first_seen: time,
|
|
gas_limit: gasLimit,
|
|
...gasParamsInGwei,
|
|
...extraParams,
|
|
},
|
|
});
|
|
}
|
|
|
|
_getTransactionCompletionTime(submittedTime) {
|
|
return Math.round((Date.now() - submittedTime) / 1000).toString();
|
|
}
|
|
|
|
_getGasValuesInGWEI(gasParams) {
|
|
const gasValuesInGwei = {};
|
|
for (const param in gasParams) {
|
|
if (isHexString(gasParams[param])) {
|
|
gasValuesInGwei[param] = hexWEIToDecGWEI(gasParams[param]);
|
|
} else {
|
|
gasValuesInGwei[param] = gasParams[param];
|
|
}
|
|
}
|
|
return gasValuesInGwei;
|
|
}
|
|
|
|
_failTransaction(txId, error) {
|
|
this.txStateManager.setTxStatusFailed(txId, error);
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.FINALIZED, {
|
|
error: error.message,
|
|
});
|
|
}
|
|
|
|
_dropTransaction(txId) {
|
|
this.txStateManager.setTxStatusDropped(txId);
|
|
const txMeta = this.txStateManager.getTransaction(txId);
|
|
this._trackTransactionMetricsEvent(txMeta, TRANSACTION_EVENTS.FINALIZED);
|
|
}
|
|
}
|
|
|