test tx manager

This commit is contained in:
Alexey 2020-09-29 18:01:22 +03:00
parent 7000e1fffa
commit 6244ed7392
2 changed files with 57 additions and 18 deletions

@ -20,18 +20,18 @@ const defaultConfig = {
GAS_BUMP_PERCENTAGE: 5,
GAS_BUMP_INTERVAL: 1000 * 60 * 5,
MAX_GAS_PRICE: 1000,
POLL_INTERVAL: 3000,
POLL_INTERVAL: 5000,
CONFIRMATIONS: 8,
}
class TxManager {
constructor({ privateKey, rpcUrl, broadcastNodes = [], config = {} }) {
this.config = Object.assign({ ...defaultConfig }, config)
this._privateKey = privateKey
this._privateKey = '0x' + privateKey
this._web3 = new Web3(rpcUrl)
this._broadcastNodes = broadcastNodes
this.address = this._web3.eth.accounts.privateKeyToAccount('0x' + privateKey).address
this._web3.eth.accounts.wallet.add('0x' + privateKey)
this.address = this._web3.eth.accounts.privateKeyToAccount(this._privateKey).address
this._web3.eth.accounts.wallet.add(this._privateKey)
this._web3.eth.defaultAccount = this.address
this._gasPriceOracle = new GasPriceOracle({ defaultRpc: rpcUrl })
this._mutex = new Mutex()
@ -49,10 +49,16 @@ class TxManager {
*
* @param tx Transaction to send
*/
async submit(tx) {
submit(tx) {
const _promiEvent = promiEvent()
this._submit(tx, _promiEvent)
return _promiEvent.eventEmitter
}
async _submit(tx, _promiEvent) {
const release = await this._mutex.acquire()
try {
await new Transaction(tx, this).submit()
return new Transaction(tx, this).submit(_promiEvent)
} finally {
release()
}
@ -72,11 +78,9 @@ class Transaction {
this.hashes = []
}
async submit() {
async submit(_promiEvent) {
await this._prepare()
const _promiEvent = promiEvent()
this._send(_promiEvent)
return _promiEvent
await this._send(_promiEvent)
}
async _prepare() {
@ -86,37 +90,44 @@ class Transaction {
}
async _send(_promiEvent) {
const signedTx = await this._web3.eth.accounts.signTransaction(this.tx, this.privateKey)
const signedTx = await this._web3.eth.accounts.signTransaction(this.tx, this._privateKey)
this.tx.date = Date.now()
this.tx.hash = signedTx.transactionHash
this.hashes.push(this.tx.hash)
_promiEvent.emit('transactionHash', signedTx.transactionHash)
_promiEvent.eventEmitter.emit('transactionHash', signedTx.transactionHash)
try {
await this._broadcast(signedTx.rawTransaction)
console.log('Broadcasted. Start waiting for mining...')
// The most reliable way to see if one of our tx was mined is to track current nonce
while (this.tx.nonce <= (await this._getLastNonce())) {
let latestNonce = await this._getLastNonce()
while (this.tx.nonce > latestNonce) {
if (Date.now() - this.tx.date >= this.config.GAS_BUMP_INTERVAL) {
if (this._increaseGasPrice()) {
console.log('Resubmit with higher gas price')
return this._send()
}
}
await sleep(this.config.POLL_INTERVAL)
}
// got mined, let's check
console.log('Mined. Start waiting for confirmations...')
await sleep(5000) // todo
let receipt = await this._getReceipts()
if (!receipt) {
// resubmit
}
let currentBlock = await this._web3.eth.getBlockNumber()
let confirmations = currentBlock - receipt.blockNumber
while (confirmations < this.config.CONFIRMATIONS) {
_promiEvent.emit('confirmations', confirmations)
let confirmations = currentBlock > receipt.blockNumber ? currentBlock - receipt.blockNumber : 0
while (confirmations <= this.config.CONFIRMATIONS) {
_promiEvent.eventEmitter.emit('confirmations', confirmations)
await sleep(this.config.POLL_INTERVAL)
receipt = await this._getReceipts()
if (!receipt) {
// resubmit
}
currentBlock = await this._web3.eth.getBlockNumber()
confirmations = currentBlock - receipt.blockNumber
}
@ -125,6 +136,7 @@ class Transaction {
this.manager.nonce = this.tx.nonce + 1
_promiEvent.resolve(receipt)
} catch (e) {
console.log('_send', e)
await this._handleSendError()
// _promiEvent.reject(error) ?
@ -198,7 +210,7 @@ class Transaction {
}
_getLastNonce() {
return this.web3.eth.getTransactionCount(this.address, 'latest')
return this._web3.eth.getTransactionCount(this.address, 'latest')
}
}

27
testTxManager.js Normal file

@ -0,0 +1,27 @@
const { toHex, toWei } = require('web3-utils')
const TxManager = require('./src/TxManager')
const { rpcUrl, privateKey } = require('./config')
const TxM = new TxManager({
privateKey,
rpcUrl,
})
const tx = {
from: '0x03Ebd0748Aa4D1457cF479cce56309641e0a98F5',
value: 0,
gasPrice: toHex(toWei('1', 'gwei')),
to: '0x03Ebd0748Aa4D1457cF479cce56309641e0a98F5',
}
async function main() {
const receipt = await TxM.submit(tx)
.on('transactionHash', (hash) => {
console.log('hash', hash)
})
.on('confirmations', (confirmations) => {
console.log('confirmations', confirmations)
})
console.log('receipt', receipt)
}
main()