mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-10-23 03:36:18 +02:00
9b78d3ab07
See [`import/extensions`](https://eslint.org/docs/rules/import/extensions) for more information. This change enables `import/extensions` and fixes the issues raised by the rule.
798 lines
28 KiB
JavaScript
798 lines
28 KiB
JavaScript
import EventEmitter from 'safe-event-emitter'
|
|
import ObservableStore from 'obs-store'
|
|
import ethUtil from 'ethereumjs-util'
|
|
import Transaction from 'ethereumjs-tx'
|
|
import EthQuery from 'ethjs-query'
|
|
import { ethErrors } from 'eth-json-rpc-errors'
|
|
import abi from 'human-standard-token-abi'
|
|
import abiDecoder from 'abi-decoder'
|
|
|
|
abiDecoder.addABI(abi)
|
|
|
|
import {
|
|
TOKEN_METHOD_APPROVE,
|
|
TOKEN_METHOD_TRANSFER,
|
|
TOKEN_METHOD_TRANSFER_FROM,
|
|
SEND_ETHER_ACTION_KEY,
|
|
DEPLOY_CONTRACT_ACTION_KEY,
|
|
CONTRACT_INTERACTION_KEY,
|
|
} from '../../../../ui/app/helpers/constants/transactions'
|
|
|
|
import TransactionStateManager from './tx-state-manager'
|
|
import TxGasUtil from './tx-gas-utils'
|
|
import PendingTransactionTracker from './pending-tx-tracker'
|
|
import NonceTracker from 'nonce-tracker'
|
|
import * as txUtils from './lib/util'
|
|
import cleanErrorStack from '../../lib/cleanErrorStack'
|
|
import log from 'loglevel'
|
|
|
|
import {
|
|
TRANSACTION_TYPE_CANCEL,
|
|
TRANSACTION_TYPE_RETRY,
|
|
TRANSACTION_TYPE_STANDARD,
|
|
TRANSACTION_STATUS_APPROVED,
|
|
} from './enums'
|
|
|
|
import { hexToBn, bnToHex, BnMultiplyByFraction } from '../../lib/util'
|
|
import { TRANSACTION_NO_CONTRACT_ERROR_KEY } from '../../../../ui/app/helpers/constants/error-keys'
|
|
|
|
const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
|
|
const MAX_MEMSTORE_TX_LIST_SIZE = 100 // Number of transactions (by unique nonces) to keep in memory
|
|
|
|
/**
|
|
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.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.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),
|
|
})
|
|
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('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 integerChainId = parseInt(networkState)
|
|
if (Number.isNaN(integerChainId)) {
|
|
return 0
|
|
} else {
|
|
return integerChainId
|
|
}
|
|
}
|
|
|
|
/**
|
|
Adds a tx to the txlist
|
|
@emits ${txMeta.id}:unapproved
|
|
*/
|
|
addTx (txMeta) {
|
|
this.txStateManager.addTx(txMeta)
|
|
this.emit(`${txMeta.id}:unapproved`, txMeta)
|
|
}
|
|
|
|
/**
|
|
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 'submitted':
|
|
return resolve(finishedTxMeta.hash)
|
|
case 'rejected':
|
|
return reject(cleanErrorStack(ethErrors.provider.userRejectedRequest('MetaMask Tx Signature: User denied transaction signature.')))
|
|
case '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)
|
|
|
|
txUtils.validateTxParams(normalizedTxParams)
|
|
/**
|
|
`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._determineTransactionCategory` after `generateTxMeta`.
|
|
*/
|
|
let txMeta = this.txStateManager.generateTxMeta({
|
|
txParams: normalizedTxParams,
|
|
type: TRANSACTION_TYPE_STANDARD,
|
|
})
|
|
|
|
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 } })
|
|
}
|
|
}
|
|
|
|
txMeta['origin'] = origin
|
|
|
|
const { transactionCategory, getCodeResponse } = await this._determineTransactionCategory(txParams)
|
|
txMeta.transactionCategory = transactionCategory
|
|
|
|
// ensure value
|
|
txMeta.txParams.value = txMeta.txParams.value
|
|
? ethUtil.addHexPrefix(txMeta.txParams.value)
|
|
: '0x0'
|
|
|
|
this.addTx(txMeta)
|
|
this.emit('newUnapprovedTx', txMeta)
|
|
|
|
try {
|
|
txMeta = await this.addTxGasDefaults(txMeta, getCodeResponse)
|
|
} catch (error) {
|
|
log.warn(error)
|
|
txMeta = this.txStateManager.getTx(txMeta.id)
|
|
txMeta.loadingDefaults = false
|
|
this.txStateManager.updateTx(txMeta, 'Failed to calculate gas defaults.')
|
|
throw error
|
|
}
|
|
|
|
txMeta.loadingDefaults = false
|
|
// save txMeta
|
|
this.txStateManager.updateTx(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 defaultGasPrice = await this._getDefaultGasPrice(txMeta)
|
|
const { gasLimit: defaultGasLimit, simulationFails } = await this._getDefaultGasLimit(txMeta, getCodeResponse)
|
|
|
|
txMeta = this.txStateManager.getTx(txMeta.id)
|
|
if (simulationFails) {
|
|
txMeta.simulationFails = simulationFails
|
|
}
|
|
if (defaultGasPrice && !txMeta.txParams.gasPrice) {
|
|
txMeta.txParams.gasPrice = defaultGasPrice
|
|
}
|
|
if (defaultGasLimit && !txMeta.txParams.gas) {
|
|
txMeta.txParams.gas = defaultGasLimit
|
|
}
|
|
return txMeta
|
|
}
|
|
|
|
/**
|
|
* Gets default gas price, or returns `undefined` if gas price is already set
|
|
* @param {Object} txMeta - The txMeta object
|
|
* @returns {Promise<string|undefined>} The default gas price
|
|
*/
|
|
async _getDefaultGasPrice (txMeta) {
|
|
if (txMeta.txParams.gasPrice) {
|
|
return undefined
|
|
}
|
|
const gasPrice = await this.query.gasPrice()
|
|
|
|
return ethUtil.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) {
|
|
if (txMeta.txParams.gas) {
|
|
return {}
|
|
} else if (
|
|
txMeta.txParams.to &&
|
|
txMeta.transactionCategory === SEND_ETHER_ACTION_KEY
|
|
) {
|
|
// 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: SIMPLE_GAS_COST }
|
|
}
|
|
|
|
const { blockGasLimit, estimatedGasHex, simulationFails } = await this.txGasUtil.analyzeGasUsage(txMeta)
|
|
|
|
// add additional gas buffer to our estimation for safety
|
|
const gasLimit = this.txGasUtil.addGasBuffer(ethUtil.addHexPrefix(estimatedGasHex), blockGasLimit)
|
|
return { gasLimit, simulationFails }
|
|
}
|
|
|
|
/**
|
|
* 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 {string} [customGasPrice] - the hex value to use for the cancel transaction
|
|
* @returns {txMeta}
|
|
*/
|
|
async createCancelTransaction (originalTxId, customGasPrice) {
|
|
const originalTxMeta = this.txStateManager.getTx(originalTxId)
|
|
const { txParams } = originalTxMeta
|
|
const { gasPrice: lastGasPrice, from, nonce } = txParams
|
|
|
|
const newGasPrice = customGasPrice || bnToHex(BnMultiplyByFraction(hexToBn(lastGasPrice), 11, 10))
|
|
const newTxMeta = this.txStateManager.generateTxMeta({
|
|
txParams: {
|
|
from,
|
|
to: from,
|
|
nonce,
|
|
gas: '0x5208',
|
|
value: '0x0',
|
|
gasPrice: newGasPrice,
|
|
},
|
|
lastGasPrice,
|
|
loadingDefaults: false,
|
|
status: TRANSACTION_STATUS_APPROVED,
|
|
type: TRANSACTION_TYPE_CANCEL,
|
|
})
|
|
|
|
this.addTx(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 {string} [customGasPrice] - The new custom gas price, in hex
|
|
* @param {string} [customGasLimit] - The new custom gas limt, in hex
|
|
* @returns {txMeta}
|
|
*/
|
|
async createSpeedUpTransaction (originalTxId, customGasPrice, customGasLimit) {
|
|
const originalTxMeta = this.txStateManager.getTx(originalTxId)
|
|
const { txParams } = originalTxMeta
|
|
const { gasPrice: lastGasPrice } = txParams
|
|
|
|
const newGasPrice = customGasPrice || bnToHex(BnMultiplyByFraction(hexToBn(lastGasPrice), 11, 10))
|
|
|
|
const newTxMeta = this.txStateManager.generateTxMeta({
|
|
txParams: {
|
|
...txParams,
|
|
gasPrice: newGasPrice,
|
|
},
|
|
lastGasPrice,
|
|
loadingDefaults: false,
|
|
status: TRANSACTION_STATUS_APPROVED,
|
|
type: TRANSACTION_TYPE_RETRY,
|
|
})
|
|
|
|
if (customGasLimit) {
|
|
newTxMeta.txParams.gas = customGasLimit
|
|
}
|
|
|
|
this.addTx(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.updateTx(txMeta, 'confTx: user updated transaction')
|
|
}
|
|
|
|
/**
|
|
updates and approves the transaction
|
|
@param {Object} txMeta
|
|
*/
|
|
async updateAndApproveTransaction (txMeta) {
|
|
this.txStateManager.updateTx(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.getTx(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 lastGasPrice then it is a retry at same nonce with higher
|
|
// gas price transaction and their for the nonce should not be calculated
|
|
const nonce = txMeta.lastGasPrice ? txMeta.txParams.nonce : nonceLock.nextNonce
|
|
const customOrNonce = (customNonceValue === 0) ? customNonceValue : customNonceValue || nonce
|
|
|
|
txMeta.txParams.nonce = ethUtil.addHexPrefix(customOrNonce.toString(16))
|
|
// add nonce debugging information to txMeta
|
|
txMeta.nonceDetails = nonceLock.nonceDetails
|
|
if (customNonceValue) {
|
|
txMeta.nonceDetails.customNonceValue = customNonceValue
|
|
}
|
|
this.txStateManager.updateTx(txMeta, 'transactions#approveTransaction')
|
|
// sign transaction
|
|
const rawTx = await this.signTransaction(txId)
|
|
await this.publishTransaction(txId, rawTx)
|
|
// 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.txStateManager.setTxStatusFailed(txId, err)
|
|
} catch (err) {
|
|
log.error(err)
|
|
}
|
|
// 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.getTx(txId)
|
|
// add network/chain id
|
|
const chainId = this.getChainId()
|
|
const txParams = Object.assign({}, txMeta.txParams, { chainId })
|
|
// sign tx
|
|
const fromAddress = txParams.from
|
|
const ethTx = new Transaction(txParams)
|
|
await this.signEthTx(ethTx, fromAddress)
|
|
|
|
// add r,s,v values for provider request purposes see createMetamaskMiddleware
|
|
// and JSON rpc standard for further explanation
|
|
txMeta.r = ethUtil.bufferToHex(ethTx.r)
|
|
txMeta.s = ethUtil.bufferToHex(ethTx.s)
|
|
txMeta.v = ethUtil.bufferToHex(ethTx.v)
|
|
|
|
this.txStateManager.updateTx(txMeta, 'transactions#signTransaction: add r, s, v values')
|
|
|
|
// set state to signed
|
|
this.txStateManager.setTxStatusSigned(txMeta.id)
|
|
const rawTx = ethUtil.bufferToHex(ethTx.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.getTx(txId)
|
|
txMeta.rawTx = rawTx
|
|
this.txStateManager.updateTx(txMeta, 'transactions#publishTransaction')
|
|
let txHash
|
|
try {
|
|
txHash = await this.query.sendRawTransaction(rawTx)
|
|
} catch (error) {
|
|
if (error.message.toLowerCase().includes('known transaction')) {
|
|
txHash = ethUtil.sha3(ethUtil.addHexPrefix(rawTx)).toString('hex')
|
|
txHash = ethUtil.addHexPrefix(txHash)
|
|
} else {
|
|
throw error
|
|
}
|
|
}
|
|
this.setTxHash(txId, txHash)
|
|
|
|
this.txStateManager.setTxStatusSubmitted(txId)
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
// get the txReceipt before marking the transaction confirmed
|
|
// to ensure the receipt is gotten before the ui revives the tx
|
|
const txMeta = this.txStateManager.getTx(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.toString(16)
|
|
: txReceipt.gasUsed
|
|
|
|
txMeta.txReceipt = {
|
|
...txReceipt,
|
|
gasUsed,
|
|
}
|
|
|
|
this.txStateManager.updateTx(txMeta, 'transactions#confirmTransaction - add txReceipt')
|
|
} catch (err) {
|
|
log.error(err)
|
|
}
|
|
|
|
this.txStateManager.setTxStatusConfirmed(txId)
|
|
this._markNonceDuplicatesDropped(txId)
|
|
}
|
|
|
|
/**
|
|
Convenience method for the ui thats sets the transaction to rejected
|
|
@param {number} txId - the tx's Id
|
|
@returns {Promise<void>}
|
|
*/
|
|
async cancelTransaction (txId) {
|
|
this.txStateManager.setTxStatusRejected(txId)
|
|
}
|
|
|
|
/**
|
|
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.getTx(txId)
|
|
txMeta.hash = txHash
|
|
this.txStateManager.updateTx(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.getFilteredTxList = (opts) => this.txStateManager.getFilteredTxList(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.getFilteredTxList({
|
|
status: 'unapproved',
|
|
loadingDefaults: true,
|
|
}).forEach((tx) => {
|
|
|
|
this.addTxGasDefaults(tx)
|
|
.then((txMeta) => {
|
|
txMeta.loadingDefaults = false
|
|
this.txStateManager.updateTx(txMeta, 'transactions: gas estimation for tx on boot')
|
|
}).catch((error) => {
|
|
const txMeta = this.txStateManager.getTx(tx.id)
|
|
txMeta.loadingDefaults = false
|
|
this.txStateManager.updateTx(txMeta, 'failed to estimate gas during boot cleanup.')
|
|
this.txStateManager.setTxStatusFailed(txMeta.id, error)
|
|
})
|
|
})
|
|
|
|
this.txStateManager.getFilteredTxList({
|
|
status: TRANSACTION_STATUS_APPROVED,
|
|
}).forEach((txMeta) => {
|
|
const txSignError = new Error('Transaction found as "approved" during boot - possibly stuck during signing')
|
|
this.txStateManager.setTxStatusFailed(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.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:warning')
|
|
})
|
|
this.pendingTxTracker.on('tx:failed', this.txStateManager.setTxStatusFailed.bind(this.txStateManager))
|
|
this.pendingTxTracker.on('tx:confirmed', (txId, transactionReceipt) => this.confirmTransaction(txId, transactionReceipt))
|
|
this.pendingTxTracker.on('tx:dropped', this.txStateManager.setTxStatusDropped.bind(this.txStateManager))
|
|
this.pendingTxTracker.on('tx:block-update', (txMeta, latestBlockNumber) => {
|
|
if (!txMeta.firstRetryBlockNumber) {
|
|
txMeta.firstRetryBlockNumber = latestBlockNumber
|
|
this.txStateManager.updateTx(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.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:retry')
|
|
})
|
|
}
|
|
|
|
/**
|
|
Returns a "type" for a transaction out of the following list: simpleSend, tokenTransfer, tokenApprove,
|
|
contractDeployment, contractMethodCall
|
|
*/
|
|
async _determineTransactionCategory (txParams) {
|
|
const { data, to } = txParams
|
|
const { name } = (data && abiDecoder.decodeMethod(data)) || {}
|
|
const tokenMethodName = [
|
|
TOKEN_METHOD_APPROVE,
|
|
TOKEN_METHOD_TRANSFER,
|
|
TOKEN_METHOD_TRANSFER_FROM,
|
|
].find((tokenMethodName) => tokenMethodName === name && name.toLowerCase())
|
|
|
|
let result
|
|
if (txParams.data && tokenMethodName) {
|
|
result = tokenMethodName
|
|
} else if (txParams.data && !to) {
|
|
result = DEPLOY_CONTRACT_ACTION_KEY
|
|
}
|
|
|
|
let code
|
|
if (!result) {
|
|
try {
|
|
code = await this.query.getCode(to)
|
|
} catch (e) {
|
|
code = null
|
|
log.warn(e)
|
|
}
|
|
|
|
const codeIsEmpty = !code || code === '0x' || code === '0x0'
|
|
|
|
result = codeIsEmpty ? SEND_ETHER_ACTION_KEY : CONTRACT_INTERACTION_KEY
|
|
}
|
|
|
|
return { transactionCategory: result, getCodeResponse: code }
|
|
}
|
|
|
|
/**
|
|
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.getTx(txId)
|
|
const { nonce, from } = txMeta.txParams
|
|
const sameNonceTxs = this.txStateManager.getFilteredTxList({ 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.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:confirmed reference to confirmed txHash with same nonce')
|
|
this.txStateManager.setTxStatusDropped(otherTxMeta.id)
|
|
})
|
|
}
|
|
|
|
_setupBlockTrackerListener () {
|
|
let listenersAreActive = false
|
|
const latestBlockHandler = this._onLatestBlock.bind(this)
|
|
const blockTracker = this.blockTracker
|
|
const txStateManager = this.txStateManager
|
|
|
|
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.getTxList(MAX_MEMSTORE_TX_LIST_SIZE)
|
|
this.memStore.updateState({ unapprovedTxs, currentNetworkTxList })
|
|
}
|
|
|
|
}
|