tokenbridge/monitor/checkWorker.js

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require('dotenv').config()
const BN = require('bignumber.js')
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const logger = require('./logger')('checkWorker')
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const { getBridgeMode } = require('../commons')
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const getBalances = require('./getBalances')
const getShortEventStats = require('./getShortEventStats')
const validators = require('./validators')
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const getEventsInfo = require('./utils/events')
const { writeFile, createDir } = require('./utils/file')
const { saveCache } = require('./utils/web3Cache')
const { web3Home } = require('./utils/web3')
const { COMMON_HOME_BRIDGE_ADDRESS, MONITOR_BRIDGE_NAME } = process.env
const { HOME_ERC_TO_NATIVE_ABI } = require('../commons')
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async function checkWorker() {
try {
createDir(`/responses/${MONITOR_BRIDGE_NAME}`)
const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_NATIVE_ABI, COMMON_HOME_BRIDGE_ADDRESS)
const bridgeMode = await getBridgeMode(homeBridge)
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logger.debug('Bridge mode:', bridgeMode)
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logger.debug('calling getEventsInfo()')
const eventsInfo = await getEventsInfo(bridgeMode)
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logger.debug('calling getBalances()')
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const balances = await getBalances(bridgeMode, eventsInfo)
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logger.debug('calling getShortEventStats()')
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const events = await getShortEventStats(bridgeMode, eventsInfo)
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const home = Object.assign({}, balances.home, events.home)
const foreign = Object.assign({}, balances.foreign, events.foreign)
const status = Object.assign({}, balances, events, { home }, { foreign })
if (status.balanceDiff && status.unclaimedBalance) {
status.balanceDiff = new BN(status.balanceDiff).minus(status.unclaimedBalance).toFixed()
}
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if (!status) throw new Error('status is empty: ' + JSON.stringify(status))
status.health = true
writeFile(`/responses/${MONITOR_BRIDGE_NAME}/getBalances.json`, status)
saveCache()
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logger.debug('calling validators()')
const vBalances = await validators(bridgeMode)
if (!vBalances) throw new Error('vBalances is empty: ' + JSON.stringify(vBalances))
vBalances.ok = vBalances.homeOk && vBalances.foreignOk
vBalances.health = true
writeFile(`/responses/${MONITOR_BRIDGE_NAME}/validators.json`, vBalances)
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logger.debug('Done')
} catch (e) {
logger.error(e)
}
}
checkWorker()