diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/scripts/controllers/transactions.js | 172 | ||||
| -rw-r--r-- | app/scripts/lib/pending-tx-watchers.js | 165 |
2 files changed, 192 insertions, 145 deletions
diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js index d4f32e049..a652c3278 100644 --- a/app/scripts/controllers/transactions.js +++ b/app/scripts/controllers/transactions.js @@ -5,6 +5,7 @@ const ObservableStore = require('obs-store') const ethUtil = require('ethereumjs-util') const EthQuery = require('ethjs-query') const TxProviderUtil = require('../lib/tx-utils') +const PendingTransactionUtils = require('../lib/pending-tx-watchers') const getStack = require('../lib/util').getStack const createId = require('../lib/random-id') const NonceTracker = require('../lib/nonce-tracker') @@ -21,6 +22,9 @@ module.exports = class TransactionController extends EventEmitter { this.txHistoryLimit = opts.txHistoryLimit this.provider = opts.provider this.blockTracker = opts.blockTracker + this.signEthTx = opts.signTransaction + this.ethStore = opts.ethStore + this.nonceTracker = new NonceTracker({ provider: this.provider, getPendingTransactions: (address) => { @@ -32,15 +36,31 @@ module.exports = class TransactionController extends EventEmitter { }, }) this.query = new EthQuery(this.provider) - this.txProviderUtils = new TxProviderUtil(this.query) - this.blockTracker.on('rawBlock', this.checkForTxInBlock.bind(this)) + this.txProviderUtils = new TxProviderUtil(this.provider) + + this.pendingTxUtils = new PendingTransactionUtils({ + provider: this.provider, + nonceTracker: this.nonceTracker, + getBalance: (address) => this.ethStore.getState().accounts[address].balance, + publishTransaction: this.txProviderUtils.publishTransaction.bind(this.txProviderUtils), + getPendingTransactions: (address) => { + return this.getFilteredTxList({ + from: address, + status: 'submitted', + }) + }, + }) + + this.pendingTxUtils.on('txWarning', this.updateTx.bind(this)) + this.pendingTxUtils.on('txFailed', this.setTxStatusFailed.bind(this)) + this.pendingTxUtils.on('txConfirmed', this.setTxStatusConfirmed.bind(this)) + + this.blockTracker.on('rawBlock', this.pendingTxUtils.checkForTxInBlock.bind(this)) // this is a little messy but until ethstore has been either // removed or redone this is to guard against the race condition // where ethStore hasent been populated by the results yet - this.blockTracker.once('latest', () => this.blockTracker.on('latest', this.resubmitPendingTxs.bind(this))) - this.blockTracker.on('sync', this.queryPendingTxs.bind(this)) - this.signEthTx = opts.signTransaction - this.ethStore = opts.ethStore + this.blockTracker.once('latest', () => this.blockTracker.on('latest', this.pendingTxUtils.resubmitPendingTxs.bind(this))) + this.blockTracker.on('sync', this.pendingTxUtils.queryPendingTxs.bind(this)) // memstore is computed from a few different stores this._updateMemstore() this.store.subscribe(() => this._updateMemstore()) @@ -229,7 +249,7 @@ module.exports = class TransactionController extends EventEmitter { // must set transaction to submitted/failed before releasing lock nonceLock.releaseLock() } catch (err) { - if(!err.message) err.message = 'Transaction failed during approval' + if (!err.message) err.message = 'Transaction failed during approval' this.setTxStatusFailed(txId, err) // must set transaction to submitted/failed before releasing lock if (nonceLock) nonceLock.releaseLock() @@ -374,73 +394,6 @@ module.exports = class TransactionController extends EventEmitter { this.updateTx(txMeta) } - // checks if a signed tx is in a block and - // if included sets the tx status as 'confirmed' - checkForTxInBlock (block) { - const signedTxList = this.getFilteredTxList({status: 'submitted'}) - if (!signedTxList.length) return - signedTxList.forEach((txMeta) => { - const txHash = txMeta.hash - const txId = txMeta.id - - if (!txHash) { - const noTxHashErr = new Error('We had an error while submitting this transaction, please try again.') - noTxHashErr.name = 'NoTxHashError' - this.setTxStatusFailed(txId, noTxHashErr) - } - - - block.transactions.forEach((tx) => { - if (tx.hash === txHash) this.setTxStatusConfirmed(txId) - }) - }) - } - - queryPendingTxs ({oldBlock, newBlock}) { - // check pending transactions on start - if (!oldBlock) { - this._checkPendingTxs() - return - } - // if we synced by more than one block, check for missed pending transactions - const diff = Number.parseInt(newBlock.number) - Number.parseInt(oldBlock.number) - if (diff > 1) this._checkPendingTxs() - } - - resubmitPendingTxs () { - const pending = this.getTxsByMetaData('status', 'submitted') - // only try resubmitting if their are transactions to resubmit - if (!pending.length) return - pending.forEach((txMeta) => this._resubmitTx(txMeta).catch((err) => { - /* - Dont marked as failed if the error is a "known" transaction warning - "there is already a transaction with the same sender-nonce - but higher/same gas price" - */ - const errorMessage = err.message.toLowerCase() - const isKnownTx = ( - // geth - errorMessage.includes('replacement transaction underpriced') - || errorMessage.includes('known transaction') - // parity - || errorMessage.includes('gas price too low to replace') - || errorMessage.includes('transaction with the same hash was already imported') - // other - || errorMessage.includes('gateway timeout') - || errorMessage.includes('nonce too low') - ) - // ignore resubmit warnings, return early - if (isKnownTx) return - // encountered real error - transition to error state - this.setTxStatusFailed(txMeta.id, { - stack: err.stack || err.message, - errCode: err.errCode || err, - message: err.message, - }) - })) - } - - /* _____________________________________ | | | PRIVATE METHODS | @@ -482,75 +435,4 @@ module.exports = class TransactionController extends EventEmitter { }) this.memStore.updateState({ unapprovedTxs, selectedAddressTxList }) } - - async _resubmitTx (txMeta) { - const address = txMeta.txParams.from - const balance = this.ethStore.getState().accounts[address].balance - if (!('retryCount' in txMeta)) txMeta.retryCount = 0 - - // if the value of the transaction is greater then the balance, fail. - if (!this.txProviderUtils.sufficientBalance(txMeta.txParams, balance)) { - const message = 'Insufficient balance.' - this.setTxStatusFailed(txMeta.id, { - stack: '_resubmitTx: custom tx-controller error', - message, - }) - log.error(message) - return - } - - // Only auto-submit already-signed txs: - if (!('rawTx' in txMeta)) return - - // Increment a try counter. - txMeta.retryCount++ - const rawTx = txMeta.rawTx - return await this.txProviderUtils.publishTransaction(rawTx) - } - - // checks the network for signed txs and - // if confirmed sets the tx status as 'confirmed' - async _checkPendingTxs () { - const signedTxList = this.getFilteredTxList({status: 'submitted'}) - // in order to keep the nonceTracker accurate we block it while updating pending transactions - const nonceGlobalLock = await this.nonceTracker.getGlobalLock() - try { - await Promise.all(signedTxList.map((txMeta) => this._checkPendingTx(txMeta))) - } catch (err) { - console.error('TransactionController - Error updating pending transactions') - console.error(err) - } - nonceGlobalLock.releaseLock() - } - - async _checkPendingTx (txMeta) { - const txHash = txMeta.hash - const txId = txMeta.id - // extra check in case there was an uncaught error during the - // signature and submission process - if (!txHash) { - const noTxHashErr = new Error('We had an error while submitting this transaction, please try again.') - noTxHashErr.name = 'NoTxHashError' - this.setTxStatusFailed(txId, noTxHashErr) - } - // get latest transaction status - let txParams - try { - txParams = await this.query.getTransactionByHash(txHash) - if (!txParams) return - if (txParams.blockNumber) { - this.setTxStatusConfirmed(txId) - } - } catch (err) { - if (err || !txParams) { - txMeta.err = { - isWarning: true, - errorCode: err, - message: 'There was a problem loading this transaction.', - } - this.updateTx(txMeta) - throw err - } - } - } }
\ No newline at end of file diff --git a/app/scripts/lib/pending-tx-watchers.js b/app/scripts/lib/pending-tx-watchers.js new file mode 100644 index 000000000..4158e8bb5 --- /dev/null +++ b/app/scripts/lib/pending-tx-watchers.js @@ -0,0 +1,165 @@ +const EventEmitter = require('events') +const EthQuery = require('ethjs-query') +const sufficientBalance = require('./util').sufficientBalance +/* + + Utility class for tracking the transactions as they + go from a pending state to a confirmed (mined in a block) state + + As well as continues broadcast while in the pending state + + ~config is not optional~ + requires a: { + provider: //, + nonceTracker: //see nonce tracker, + getBalnce: //(address) a function for getting balances, + getPendingTransactions: //() a function for getting an array of transactions, + publishTransaction: //(rawTx) a async function for publishing raw transactions, + } + +*/ + +module.exports = class PendingTransactionWatcher extends EventEmitter { + constructor (config) { + super() + this.query = new EthQuery(config.provider) + this.nonceTracker = config.nonceTracker + + this.getBalance = config.getBalance + this.getPendingTransactions = config.getPendingTransactions + this.publishTransaction = config.publishTransaction + } + + // checks if a signed tx is in a block and + // if included sets the tx status as 'confirmed' + checkForTxInBlock (block) { + const signedTxList = this.getPendingTransactions() + if (!signedTxList.length) return + signedTxList.forEach((txMeta) => { + const txHash = txMeta.hash + const txId = txMeta.id + + if (!txHash) { + const noTxHashErr = new Error('We had an error while submitting this transaction, please try again.') + noTxHashErr.name = 'NoTxHashError' + this.emit('txFailed', txId, noTxHashErr) + return + } + + + block.transactions.forEach((tx) => { + if (tx.hash === txHash) this.emit('txConfirmed', txId) + }) + }) + } + + queryPendingTxs ({oldBlock, newBlock}) { + // check pending transactions on start + if (!oldBlock) { + this._checkPendingTxs() + return + } + // if we synced by more than one block, check for missed pending transactions + const diff = Number.parseInt(newBlock.number, 16) - Number.parseInt(oldBlock.number, 16) + if (diff > 1) this._checkPendingTxs() + } + + + resubmitPendingTxs () { + const pending = this.getPendingTransactions('status', 'submitted') + // only try resubmitting if their are transactions to resubmit + if (!pending.length) return + pending.forEach((txMeta) => this._resubmitTx(txMeta).catch((err) => { + /* + Dont marked as failed if the error is a "known" transaction warning + "there is already a transaction with the same sender-nonce + but higher/same gas price" + */ + const errorMessage = err.message.toLowerCase() + const isKnownTx = ( + // geth + errorMessage.includes('replacement transaction underpriced') + || errorMessage.includes('known transaction') + // parity + || errorMessage.includes('gas price too low to replace') + || errorMessage.includes('transaction with the same hash was already imported') + // other + || errorMessage.includes('gateway timeout') + || errorMessage.includes('nonce too low') + ) + // ignore resubmit warnings, return early + if (isKnownTx) return + // encountered real error - transition to error state + this.emit('txFailed', txMeta.id, err) + })) + } + + async _resubmitTx (txMeta) { + const address = txMeta.txParams.from + const balance = this.getBalance(address) + if (!('retryCount' in txMeta)) txMeta.retryCount = 0 + + // if the value of the transaction is greater then the balance, fail. + if (!sufficientBalance(txMeta.txParams, balance)) { + const message = 'Insufficient balance during rebroadcast.' + txMeta.warning = { + message, + } + this.emit('txWarning', txMeta) + log.error(message) + return + } + + // Only auto-submit already-signed txs: + if (!('rawTx' in txMeta)) return + + // Increment a try counter. + txMeta.retryCount++ + const rawTx = txMeta.rawTx + return await this.publishTransaction(rawTx) + } + + async _checkPendingTx (txMeta) { + const txHash = txMeta.hash + const txId = txMeta.id + // extra check in case there was an uncaught error during the + // signature and submission process + if (!txHash) { + const noTxHashErr = new Error('We had an error while submitting this transaction, please try again.') + noTxHashErr.name = 'NoTxHashError' + this.emit('txFailed', txId, noTxHashErr) + return + } + // get latest transaction status + let txParams + try { + txParams = await this.query.getTransactionByHash(txHash) + if (!txParams) return + if (txParams.blockNumber) { + this.emit('txConfirmed', txId) + } + } catch (err) { + txMeta.warning = { + error: err, + message: 'There was a problem loading this transaction.', + } + this.emit('txWarning', txMeta) + throw err + } + } + + // checks the network for signed txs and + // if confirmed sets the tx status as 'confirmed' + async _checkPendingTxs () { + const signedTxList = this.getPendingTransactions() + // in order to keep the nonceTracker accurate we block it while updating pending transactions + const nonceGlobalLock = await this.nonceTracker.getGlobalLock() + try { + await Promise.all(signedTxList.map((txMeta) => this._checkPendingTx(txMeta))) + } catch (err) { + console.error('PendingTransactionWatcher - Error updating pending transactions') + console.error(err) + } + nonceGlobalLock.releaseLock() + } +}
\ No newline at end of file |