Expose stuckTransfer endpoint only if v1 bridge

monitor/index.js

@@ -1,6 +1,7 @@
 require('dotenv').config()
 const express = require('express')
 const fs = require('fs')
+const { isV1Bridge } = require('./utils/serverUtils')
 
 const app = express()
 
@@ -21,6 +22,21 @@ async function readFile(path) {
   }
 }
 
+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')
@@ -83,15 +99,7 @@ app.get('/alerts', async (req, res, next) => {
   }
 })
 
-app.get('/stuckTransfers', async (req, res, next) => {
+initV1routes(app)
-  try {
-    const results = await readFile('./responses/stuckTransfers.json')
-    results.ok = results.total.length === 0
-    res.json(results)
-  } catch (e) {
-    next(e)
-  }
-})
 
 const port = process.env.PORT || 3003
 app.set('port', port)

monitor/utils/serverUtils.js

@@ -0,0 +1,17 @@
+const Web3 = require('web3')
+const { getBridgeMode, BRIDGE_MODES } = require('./bridgeMode')
+const HOME_ERC_TO_ERC_ABI = require('../../contracts/build/contracts/HomeBridgeErcToErc').abi
+
+const { HOME_BRIDGE_ADDRESS, HOME_RPC_URL } = process.env
+const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
+const web3Home = new Web3(homeProvider)
+
+async function isV1Bridge() {
+  const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, HOME_BRIDGE_ADDRESS)
+  const bridgeMode = await getBridgeMode(homeBridge)
+  return bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC_V1
+}
+
+module.exports = {
+  isV1Bridge
+}