106 lines
2.9 KiB
JavaScript
106 lines
2.9 KiB
JavaScript
require('dotenv').config()
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const logger = require('./logger')('stuckTransfers.js')
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const { FOREIGN_V1_ABI } = require('../commons/abis')
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const { web3Foreign, getForeignBlockNumber } = require('./utils/web3')
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const { getPastEvents } = require('./utils/web3Cache')
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const { COMMON_FOREIGN_BRIDGE_ADDRESS } = process.env
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const MONITOR_FOREIGN_START_BLOCK = Number(process.env.MONITOR_FOREIGN_START_BLOCK) || 0
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const ABITransferWithoutData = [
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{
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anonymous: false,
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inputs: [
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{
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indexed: true,
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name: 'from',
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type: 'address'
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},
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{
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indexed: true,
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name: 'to',
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type: 'address'
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},
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{
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indexed: false,
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name: 'value',
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type: 'uint256'
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}
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],
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name: 'Transfer',
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type: 'event'
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}
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]
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const ABIWithData = [
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{
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anonymous: false,
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inputs: [
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{
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indexed: true,
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name: 'from',
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type: 'address'
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},
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{
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indexed: true,
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name: 'to',
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type: 'address'
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},
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{
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indexed: false,
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name: 'value',
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type: 'uint256'
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},
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{
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indexed: false,
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name: 'data',
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type: 'bytes'
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}
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],
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name: 'Transfer',
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type: 'event'
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}
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]
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function transferWithoutCallback(transfersNormal) {
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const txHashes = new Set()
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transfersNormal.forEach(transfer => txHashes.add(transfer.transactionHash))
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return withData => !txHashes.has(withData.transactionHash)
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}
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async function main() {
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const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_V1_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
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logger.debug('calling foreignBridge.methods.erc677token')
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const erc20Address = await foreignBridge.methods.erc677token().call()
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const tokenContract = new web3Foreign.eth.Contract(ABITransferWithoutData, erc20Address)
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const tokenContractWithData = new web3Foreign.eth.Contract(ABIWithData, erc20Address)
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logger.debug('getting last block number')
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const foreignBlockNumber = await getForeignBlockNumber()
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const foreignConfirmations = await foreignBridge.methods.requiredBlockConfirmations().call()
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const foreignDelayedBlockNumber = foreignBlockNumber - foreignConfirmations
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logger.debug('calling tokenContract.getPastEvents Transfer')
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const options = {
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event: 'Transfer',
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options: {
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filter: {
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to: COMMON_FOREIGN_BRIDGE_ADDRESS
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}
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},
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fromBlock: MONITOR_FOREIGN_START_BLOCK,
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toBlock: foreignBlockNumber,
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chain: 'foreign',
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safeToBlock: foreignDelayedBlockNumber
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}
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const transfersNormal = await getPastEvents(tokenContract, options)
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logger.debug('calling tokenContractWithData.getPastEvents Transfer')
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const transfersWithData = await getPastEvents(tokenContractWithData, options)
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const stuckTransfers = transfersNormal.filter(transferWithoutCallback(transfersWithData))
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logger.debug('Done')
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return {
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stuckTransfers,
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total: stuckTransfers.length,
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lastChecked: Math.floor(Date.now() / 1000)
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}
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}
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module.exports = main
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