require('dotenv').config() const express = require('express') const fs = require('fs') const { isV1Bridge } = require('./utils/serverUtils') const app = express() const LEFT_TX_THRESHOLD = Number(process.env.LEFT_TX_THRESHOLD) || 100 console.log('LEFT_TX_THRESHOLD = ' + LEFT_TX_THRESHOLD) async function readFile(path) { try { const content = await fs.readFileSync(path) const json = JSON.parse(content) const timeDiff = Math.floor(Date.now() / 1000) - json.lastChecked return Object.assign({}, json, { timeDiff }) } catch (e) { console.error(e) return { error: 'please check your worker' } } } async function initV1routes(app) { const exposeV1Routes = await isV1Bridge() if (exposeV1Routes) { app.get('/stuckTransfers', async (req, res, next) => { try { const results = await readFile('./responses/stuckTransfers.json') results.ok = results.total.length === 0 res.json(results) } catch (e) { next(e) } }) } } app.get('/', async (req, res, next) => { try { const results = await readFile('./responses/getBalances.json') res.json(results) } catch (e) { // this will eventually be handled by your error handling middleware next(e) } }) app.get('/validators', async (req, res, next) => { try { const results = await readFile('./responses/validators.json') results.homeOk = true results.foreignOk = true for (const hv in results.home.validators) { if (results.home.validators[hv].leftTx < LEFT_TX_THRESHOLD) { results.homeOk = false break } } for (const hv in results.foreign.validators) { if (results.foreign.validators[hv].leftTx < LEFT_TX_THRESHOLD) { results.foreignOk = false break } } results.ok = results.homeOk && results.foreignOk res.json(results) } catch (e) { // this will eventually be handled by your error handling middleware next(e) } }) // responses/eventsStats.json app.get('/eventsStats', async (req, res, next) => { try { const results = await readFile('./responses/eventsStats.json') results.ok = results.onlyInHomeDeposits.length === 0 && results.onlyInForeignDeposits.length === 0 && results.onlyInHomeWithdrawals.length === 0 && results.onlyInForeignWithdrawals.length === 0 res.json(results) } catch (e) { // this will eventually be handled by your error handling middleware next(e) } }) app.get('/alerts', async (req, res, next) => { try { const results = await readFile('./responses/alerts.json') results.ok = !results.executeAffirmations.mostRecentTxHash && !results.executeSignatures.mostRecentTxHash res.json(results) } catch (e) { next(e) } }) initV1routes(app) const port = process.env.PORT || 3003 app.set('port', port) app.listen(port, () => console.log(`Monitoring app listening on port ${port}!`))