tokenbridge/monitor/checkWorker.js
2020-06-10 16:22:01 +03:00

72 lines
2.7 KiB
JavaScript

require('dotenv').config()
const Web3 = require('web3')
const logger = require('./logger')('checkWorker')
const { getBridgeMode } = require('../commons')
const getBalances = require('./getBalances')
const getShortEventStats = require('./getShortEventStats')
const validators = require('./validators')
const { writeFile, createDir } = require('./utils/file')
const { COMMON_HOME_BRIDGE_ADDRESS, COMMON_HOME_RPC_URL, MONITOR_BRIDGE_NAME } = process.env
const MONITOR_VALIDATOR_HOME_TX_LIMIT = Number(process.env.MONITOR_VALIDATOR_HOME_TX_LIMIT) || 0
const MONITOR_VALIDATOR_FOREIGN_TX_LIMIT = Number(process.env.MONITOR_VALIDATOR_FOREIGN_TX_LIMIT) || 0
const MONITOR_TX_NUMBER_THRESHOLD = Number(process.env.MONITOR_TX_NUMBER_THRESHOLD) || 100
const homeProvider = new Web3.providers.HttpProvider(COMMON_HOME_RPC_URL)
const web3Home = new Web3(homeProvider)
const { HOME_ERC_TO_ERC_ABI } = require('../commons')
async function checkWorker() {
try {
createDir(`/responses/${MONITOR_BRIDGE_NAME}`)
const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, COMMON_HOME_BRIDGE_ADDRESS)
const bridgeMode = await getBridgeMode(homeBridge)
logger.debug('Bridge mode:', bridgeMode)
logger.debug('calling getBalances()')
const balances = await getBalances(bridgeMode)
logger.debug('calling getShortEventStats()')
const events = await getShortEventStats(bridgeMode)
const home = Object.assign({}, balances.home, events.home)
const foreign = Object.assign({}, balances.foreign, events.foreign)
const status = Object.assign({}, balances, events, { home }, { foreign })
if (!status) throw new Error('status is empty: ' + JSON.stringify(status))
status.health = true
writeFile(`/responses/${MONITOR_BRIDGE_NAME}/getBalances.json`, status)
logger.debug('calling validators()')
const vBalances = await validators(bridgeMode)
if (!vBalances) throw new Error('vBalances is empty: ' + JSON.stringify(vBalances))
vBalances.homeOk = true
vBalances.foreignOk = true
if (MONITOR_VALIDATOR_HOME_TX_LIMIT) {
for (const hv in vBalances.home.validators) {
if (vBalances.home.validators[hv].leftTx < MONITOR_TX_NUMBER_THRESHOLD) {
vBalances.homeOk = false
break
}
}
}
if (MONITOR_VALIDATOR_FOREIGN_TX_LIMIT) {
for (const hv in vBalances.foreign.validators) {
if (vBalances.foreign.validators[hv].leftTx < MONITOR_TX_NUMBER_THRESHOLD) {
vBalances.foreignOk = false
break
}
}
}
vBalances.ok = vBalances.homeOk && vBalances.foreignOk
vBalances.health = true
writeFile(`/responses/${MONITOR_BRIDGE_NAME}/validators.json`, vBalances)
logger.debug('Done')
} catch (e) {
logger.error(e)
}
}
checkWorker()