diff --git a/Dockerfile.e2e b/Dockerfile.e2e
index f612fc24..bc9ae1a3 100644
--- a/Dockerfile.e2e
+++ b/Dockerfile.e2e
@@ -3,6 +3,7 @@ FROM node:10
 WORKDIR /mono
 COPY package.json .
 COPY oracle-e2e/package.json ./oracle-e2e/
+COPY monitor-e2e/package.json ./monitor-e2e/
 COPY contracts/package.json ./contracts/
 
 COPY yarn.lock .
diff --git a/e2e-commons/constants.json b/e2e-commons/constants.json
index 332111c9..246cd20a 100644
--- a/e2e-commons/constants.json
+++ b/e2e-commons/constants.json
@@ -19,20 +19,23 @@
     "home": "0x32198D570fffC7033641F8A9094FFDCaAEF42624",
     "foreign": "0x2B6871b9B02F73fa24F4864322CdC78604207769",
     "foreignToken": "0xdbeE25CbE97e4A5CC6c499875774dc7067E9426B",
-    "ui": "http://localhost:3000"
+    "ui": "http://localhost:3000",
+    "monitor": "http://monitor:3010"
   },
   "ercToErcBridge": {
     "home": "0x1feB40aD9420b186F019A717c37f5546165d411E",
     "foreign": "0x4a58D6d8D416a5fBCAcf3dC52eb8bE8948E25127",
     "homeToken": "0x792455a6bCb62Ed4C4362D323E0590654CA4765c",
     "foreignToken": "0x3C665A31199694Bf723fD08844AD290207B5797f",
-    "ui": "http://localhost:3001"
+    "ui": "http://localhost:3001",
+    "monitor": "http://monitor-erc20:3011"
   },
   "ercToNativeBridge": {
     "home": "0x488Af810997eD1730cB3a3918cD83b3216E6eAda",
     "foreign": "0x488Af810997eD1730cB3a3918cD83b3216E6eAda",
     "foreignToken": "0x3C665A31199694Bf723fD08844AD290207B5797f",
-    "ui": "http://localhost:3002"
+    "ui": "http://localhost:3002",
+    "monitor": "http://monitor-erc20-native:3012"
   },
   "homeRPC": {
     "URL": "http://parity1:8545",
diff --git a/e2e-commons/docker-compose.yml b/e2e-commons/docker-compose.yml
index 0f22b360..d5ab143d 100644
--- a/e2e-commons/docker-compose.yml
+++ b/e2e-commons/docker-compose.yml
@@ -239,7 +239,7 @@ services:
     - FOREIGN_GAS_PRICE_FACTOR=1
     - LEFT_TX_THRESHOLD=100
     - PORT=3010
-    entrypoint: yarn start
+    entrypoint: yarn check-and-start
     ports:
       - "3010:3010"
     networks:
@@ -267,7 +267,7 @@ services:
     - FOREIGN_GAS_PRICE_FACTOR=1
     - LEFT_TX_THRESHOLD=100
     - PORT=3011
-    entrypoint: yarn start
+    entrypoint: yarn check-and-start
     ports:
       - "3011:3011"
     networks:
@@ -295,7 +295,7 @@ services:
     - FOREIGN_GAS_PRICE_FACTOR=1
     - LEFT_TX_THRESHOLD=100
     - PORT=3012
-    entrypoint: yarn start
+    entrypoint: yarn check-and-start
     ports:
       - "3012:3012"
     networks:
diff --git a/monitor-e2e/.eslintrc b/monitor-e2e/.eslintrc
new file mode 100644
index 00000000..1bc0d9f3
--- /dev/null
+++ b/monitor-e2e/.eslintrc
@@ -0,0 +1,16 @@
+{
+  "extends": [
+    "plugin:node/recommended",
+    "airbnb-base",
+    "../.eslintrc"
+  ],
+  "plugins": ["node"],
+  "rules": {
+    "node/no-unpublished-require": "off",
+    "node/no-extraneous-require": "off",
+    "import/no-extraneous-dependencies": "off"
+  },
+  "env": {
+    "mocha": true
+  }
+}
diff --git a/monitor-e2e/erc-to-erc.sh b/monitor-e2e/erc-to-erc.sh
deleted file mode 100755
index eab3e13c..00000000
--- a/monitor-e2e/erc-to-erc.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-set -e # exit when any command fails
-
-echo "MONITOR E2E - ERC TO ERC"
-export URL=localhost:3011
-
-echo "Test case - Web Interface should return balances"
-OUTPUT=$(curl -s http://$URL/)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return validators"
-OUTPUT=$(curl -s http://$URL/validators)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return eventsStats"
-OUTPUT=$(curl -s http://$URL/eventsStats)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return alerts"
-OUTPUT=$(curl -s http://$URL/alerts)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
diff --git a/monitor-e2e/erc-to-native.sh b/monitor-e2e/erc-to-native.sh
deleted file mode 100755
index 62abe5fa..00000000
--- a/monitor-e2e/erc-to-native.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-set -e # exit when any command fails
-
-echo "MONITOR E2E - ERC TO NATIVE"
-export URL=localhost:3012
-
-echo "Test case - Web Interface should return balances"
-OUTPUT=$(curl -s http://$URL/)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return validators"
-OUTPUT=$(curl -s http://$URL/validators)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return eventsStats"
-OUTPUT=$(curl -s http://$URL/eventsStats)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return alerts"
-OUTPUT=$(curl -s http://$URL/alerts)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
diff --git a/monitor-e2e/native-to-erc.sh b/monitor-e2e/native-to-erc.sh
deleted file mode 100755
index 16c2c1bc..00000000
--- a/monitor-e2e/native-to-erc.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-set -e # exit when any command fails
-
-echo "MONITOR E2E - NATIVE TO ERC"
-export URL="localhost:3010"
-
-echo "Test case - Web Interface should return balances"
-OUTPUT=$(curl -s http://$URL/)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return validators"
-OUTPUT=$(curl -s http://$URL/validators)
-grep -q home <<< "$OUTPUT"
-grep -q foreign <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return eventsStats"
-OUTPUT=$(curl -s http://$URL/eventsStats)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
-
-echo "Test case - Web Interface should return alerts"
-OUTPUT=$(curl -s http://$URL/alerts)
-grep -q lastChecked <<< "$OUTPUT"
-(! grep -q error <<< "$OUTPUT")
diff --git a/monitor-e2e/package.json b/monitor-e2e/package.json
new file mode 100644
index 00000000..41b20be5
--- /dev/null
+++ b/monitor-e2e/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "monitor-e2e",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "mocha --timeout 30000",
+    "lint": "eslint . --ignore-path ../.eslintignore"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {},
+  "engines": {
+    "node": ">= 8.9"
+  },
+  "devDependencies": {
+    "axios": "0.19.0"
+  }
+}
diff --git a/monitor-e2e/periodically-check-all.sh b/monitor-e2e/periodically-check-all.sh
new file mode 100755
index 00000000..6ec79044
--- /dev/null
+++ b/monitor-e2e/periodically-check-all.sh
@@ -0,0 +1,6 @@
+while true; do
+  sleep 3
+  docker-compose -f ../e2e-commons/docker-compose.yml exec monitor yarn check-all
+  docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20 yarn check-all
+  docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20-native yarn check-all
+done
diff --git a/monitor-e2e/run-tests.sh b/monitor-e2e/run-tests.sh
index eb7b5179..d7ef80f9 100755
--- a/monitor-e2e/run-tests.sh
+++ b/monitor-e2e/run-tests.sh
@@ -1,51 +1,14 @@
-#!/usr/bin/env bash
 cd $(dirname $0)
-set -e # exit when any command fails
 
+../e2e-commons/up.sh deploy monitor
 
-##### Helper Functions #####
+./wait-for-monitor.sh
+nohup ./periodically-check-all.sh < /dev/null > /dev/null 2>&1 &
+checkPID=$!
 
-function cleanup {
-  ../e2e-commons/down.sh
-}
-trap cleanup EXIT
+docker-compose -f ../e2e-commons/docker-compose.yml run e2e yarn workspace monitor-e2e run start
+rc=$?
 
-FILES=(getBalances.json validators.json eventsStats.json alerts.json)
-
-check_files_exist() {
-  rc=0
-  for f in "${FILES[@]}"; do
-    command="test -f responses/$f"
-    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor /bin/bash -c "$command") || rc=1
-    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20 /bin/bash -c "$command") || rc=1
-    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20-native /bin/bash -c "$command") || rc=1
-  done
-  return $rc
-}
-
-
-##### Initialization #####
-
-../e2e-commons/up.sh deploy oracle monitor
-
-
-##### Initial checks #####
-
-docker-compose -f ../e2e-commons/docker-compose.yml exec monitor /bin/bash -c "yarn check-all"
-docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20 /bin/bash -c "yarn check-all"
-docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20-native /bin/bash -c "yarn check-all"
-check_files_exist
-
-
-##### Test cases #####
-
-./native-to-erc.sh
-
-./erc-to-erc.sh
-
-./erc-to-native.sh
-
-
-##### Cleanup #####
-
-cleanup
+../e2e-commons/down.sh
+kill $checkPID
+exit $rc
diff --git a/monitor-e2e/test/common.js b/monitor-e2e/test/common.js
new file mode 100644
index 00000000..1a60bc0d
--- /dev/null
+++ b/monitor-e2e/test/common.js
@@ -0,0 +1,99 @@
+const assert = require('assert')
+const axios = require('axios')
+const { nativeToErcBridge, ercToErcBridge, ercToNativeBridge, validator } = require('../../e2e-commons/constants.json')
+
+const types = [
+  { description: 'NATIVE TO ERC', baseUrl: nativeToErcBridge.monitor },
+  { description: 'ERC TO ERC', baseUrl: ercToErcBridge.monitor },
+  { description: 'ERC TO NATIVE', baseUrl: ercToNativeBridge.monitor }
+]
+
+types.forEach(type => {
+  describe(type.description, () => {
+    describe('balances', async () => {
+      let data
+
+      before(async () => {
+        ;({ data } = await axios.get(`${type.baseUrl}`))
+      })
+
+      describe('home', async () => {
+        it('should contain deposits:', () => assert(data.home.deposits === 0))
+        it('should contain withdrawals', () => assert(data.home.withdrawals === 0))
+      })
+
+      describe('foreign', async () => {
+        it('should contain deposits:', () => assert(data.foreign.deposits === 0))
+        it('should contain withdrawals', () => assert(data.foreign.withdrawals === 0))
+      })
+
+      describe('general', async () => {
+        it('should contain balanceDiff', () => assert(data.balanceDiff === 0))
+        it('should contain depositsDiff', () => assert(data.depositsDiff === 0))
+        it('should contain withdrawalDiff', () => assert(data.withdrawalDiff === 0))
+        it('should contain timeDiff', () => assert(data.timeDiff >= 0))
+        it('should contain lastChecked', () => assert(data.lastChecked >= 0))
+      })
+    })
+
+    describe('validators', async () => {
+      let data
+
+      before(async () => {
+        ;({ data } = await axios.get(`${type.baseUrl}/validators`))
+      })
+
+      it('home', () => {
+        assert(typeof data.home.validators === 'object')
+        assert(data.home.validators[validator.address].balance > 0)
+        assert(data.home.validators[validator.address].leftTx > 0)
+        assert(data.home.validators[validator.address].gasPrice > 0)
+      })
+
+      it('foreign', () => {
+        assert(typeof data.foreign.validators === 'object')
+        assert(data.foreign.validators[validator.address].balance > 0)
+        assert(data.foreign.validators[validator.address].leftTx > 0)
+        assert(data.foreign.validators[validator.address].gasPrice > 0)
+      })
+
+      it('requiredSignaturesMatch', () => assert(data.requiredSignaturesMatch, 1))
+      it('validatorsMatch', () => assert(data.validatorsMatch))
+      it('lastChecked', () => assert(data.lastChecked >= 0))
+      it('timeDiff', () => assert(data.timeDiff >= 0))
+      it('homeOk', () => assert(data.homeOk))
+      it('foreignOk', () => assert(data.foreignOk))
+      it('ok', () => assert(data.ok))
+    })
+
+    describe('eventsStats', async () => {
+      let data
+
+      before(async () => {
+        ;({ data } = await axios.get(`${type.baseUrl}/eventsStats`))
+      })
+
+      it('ok', () => assert(data.ok))
+      it('lastChecked', () => assert(data.lastChecked >= 0))
+      it('timeDiff', () => assert(data.timeDiff >= 0))
+      it('onlyInHomeDeposits', () => assert(typeof data.onlyInHomeDeposits === 'object'))
+      it('onlyInForeignDeposits', () => assert(typeof data.onlyInForeignDeposits === 'object'))
+      it('onlyInHomeWithdrawals', () => assert(typeof data.onlyInHomeWithdrawals === 'object'))
+      it('onlyInForeignWithdrawals', () => assert(typeof data.onlyInForeignWithdrawals === 'object'))
+    })
+
+    describe('alerts', async () => {
+      let data
+
+      before(async () => {
+        ;({ data } = await axios.get(`${type.baseUrl}/alerts`))
+      })
+
+      it('ok', () => assert(data.ok))
+      it('lastChecked', () => assert(data.lastChecked >= 0))
+      it('timeDiff', () => assert(data.timeDiff >= 0))
+      it('executeSignatures', () => assert(typeof data.executeSignatures === 'object'))
+      it('executeAffirmations', () => assert(typeof data.executeAffirmations === 'object'))
+    })
+  })
+})
diff --git a/monitor-e2e/test/ercToErc.js b/monitor-e2e/test/ercToErc.js
new file mode 100644
index 00000000..a644ac70
--- /dev/null
+++ b/monitor-e2e/test/ercToErc.js
@@ -0,0 +1,43 @@
+const assert = require('assert')
+const axios = require('axios')
+const { ercToErcBridge, user, foreignRPC, validator } = require('../../e2e-commons/constants.json')
+const { waitUntil, sendTokens, addValidator } = require('../utils')
+
+const baseUrl = ercToErcBridge.monitor
+
+describe('ERC TO ERC', () => {
+  let data
+
+  before(async () => {
+    ;({ data } = await axios.get(`${baseUrl}`))
+  })
+
+  it('balance', () => assert(parseInt(data.foreign.erc20Balance, 10) >= 0))
+  it('should contain totalSupply', () => assert(data.home.totalSupply === '0'))
+})
+
+describe('ERC TO ERC with changing state of contracts', () => {
+  let data
+
+  before(async () => {
+    assert((await axios.get(`${baseUrl}`)).data.balanceDiff === 0)
+    assert((await axios.get(`${baseUrl}/validators`)).data.validatorsMatch === true)
+  })
+
+  it('should change balanceDiff', async () => {
+    await sendTokens(foreignRPC.URL, user, ercToErcBridge.foreignToken, ercToErcBridge.foreign)
+
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}`))
+      return data.balanceDiff !== 0
+    })
+  })
+
+  it('should change validatorsMatch', async () => {
+    await addValidator(foreignRPC.URL, validator, ercToErcBridge.foreign)
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}/validators`))
+      return data.validatorsMatch === false
+    })
+  })
+})
diff --git a/monitor-e2e/test/ercToNative.js b/monitor-e2e/test/ercToNative.js
new file mode 100644
index 00000000..61a996a8
--- /dev/null
+++ b/monitor-e2e/test/ercToNative.js
@@ -0,0 +1,43 @@
+const assert = require('assert')
+const axios = require('axios')
+const { ercToNativeBridge, user, foreignRPC, validator } = require('../../e2e-commons/constants.json')
+const { waitUntil, sendTokens, addValidator } = require('../utils')
+
+const baseUrl = ercToNativeBridge.monitor
+
+describe('ERC TO NATIVE', () => {
+  let data
+
+  before(async () => {
+    ;({ data } = await axios.get(`${baseUrl}`))
+  })
+
+  it('balance', () => assert(parseInt(data.foreign.erc20Balance, 10) >= 0))
+  it('should contain totalSupply', () => assert(data.home.totalSupply === '0'))
+})
+
+describe('ERC TO NATIVE with changing state of contracts', () => {
+  let data
+
+  before(async () => {
+    assert((await axios.get(`${baseUrl}`)).data.balanceDiff === 0)
+    assert((await axios.get(`${baseUrl}/validators`)).data.validatorsMatch === true)
+  })
+
+  it('should change balanceDiff', async () => {
+    await sendTokens(foreignRPC.URL, user, ercToNativeBridge.foreignToken, ercToNativeBridge.foreign)
+
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}`))
+      return data.balanceDiff !== 0
+    })
+  })
+
+  it('should change validatorsMatch', async () => {
+    await addValidator(foreignRPC.URL, validator, ercToNativeBridge.foreign)
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}/validators`))
+      return data.validatorsMatch === false
+    })
+  })
+})
diff --git a/monitor-e2e/test/nativeToErc.js b/monitor-e2e/test/nativeToErc.js
new file mode 100644
index 00000000..7cf4cee3
--- /dev/null
+++ b/monitor-e2e/test/nativeToErc.js
@@ -0,0 +1,43 @@
+const assert = require('assert')
+const axios = require('axios')
+const { nativeToErcBridge, user, homeRPC, foreignRPC, validator } = require('../../e2e-commons/constants.json')
+const { waitUntil, sendEther, addValidator } = require('../utils')
+
+const baseUrl = nativeToErcBridge.monitor
+
+describe('NATIVE TO ERC', () => {
+  let data
+
+  before(async () => {
+    ;({ data } = await axios.get(`${baseUrl}`))
+  })
+
+  it('balance', () => assert(parseInt(data.home.balance, 10) >= 0))
+  it('should contain totalSupply', () => assert(data.foreign.totalSupply === '0'))
+})
+
+describe('NATIVE TO ERC with changing state of contracts', () => {
+  let data
+
+  before(async () => {
+    assert((await axios.get(`${baseUrl}`)).data.balanceDiff === 0)
+    assert((await axios.get(`${baseUrl}/validators`)).data.validatorsMatch === true)
+  })
+
+  it('should change balanceDiff', async () => {
+    await sendEther(homeRPC.URL, user, nativeToErcBridge.home)
+
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}`))
+      return data.balanceDiff !== 0
+    })
+  })
+
+  it('should change validatorsMatch', async () => {
+    await addValidator(foreignRPC.URL, validator, nativeToErcBridge.foreign)
+    await waitUntil(async () => {
+      ;({ data } = await axios.get(`${baseUrl}/validators`))
+      return data.validatorsMatch === false
+    })
+  })
+})
diff --git a/monitor-e2e/utils.js b/monitor-e2e/utils.js
new file mode 100644
index 00000000..eaa0d8b0
--- /dev/null
+++ b/monitor-e2e/utils.js
@@ -0,0 +1,57 @@
+const Web3 = require('web3')
+const { ERC677_BRIDGE_TOKEN_ABI, BRIDGE_VALIDATORS_ABI, FOREIGN_NATIVE_TO_ERC_ABI } = require('../commons')
+
+const waitUntil = async (predicate, step = 100, timeout = 10000) => {
+  const stopTime = Date.now() + timeout
+  while (Date.now() <= stopTime) {
+    const result = await predicate()
+    if (result) {
+      return result
+    }
+    await new Promise(resolve => setTimeout(resolve, step)) // sleep
+  }
+  throw new Error(`waitUntil timed out after ${timeout} ms`)
+}
+
+const sendEther = async (rpcUrl, account, to) => {
+  const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl))
+  web3.eth.accounts.wallet.add(account.privateKey)
+
+  await web3.eth.sendTransaction({
+    from: account.address,
+    to,
+    gasPrice: '1',
+    gas: '50000',
+    value: '1000000000000000000'
+  })
+}
+
+const sendTokens = async (rpcUrl, account, tokenAddress, recipientAddress) => {
+  const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl))
+  web3.eth.accounts.wallet.add(account.privateKey)
+  const erc20Token = new web3.eth.Contract(ERC677_BRIDGE_TOKEN_ABI, tokenAddress)
+
+  await erc20Token.methods.transfer(recipientAddress, web3.utils.toWei('0.01')).send({
+    from: account.address,
+    gas: '1000000'
+  })
+}
+
+const addValidator = async (rpcUrl, account, bridgeAddress) => {
+  const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl))
+  web3.eth.accounts.wallet.add(account.privateKey)
+  const bridgeContract = new web3.eth.Contract(FOREIGN_NATIVE_TO_ERC_ABI, bridgeAddress)
+  const foreignValidatorsAddress = await bridgeContract.methods.validatorContract().call()
+  const foreignBridgeValidators = new web3.eth.Contract(BRIDGE_VALIDATORS_ABI, foreignValidatorsAddress)
+  await foreignBridgeValidators.methods.addValidator('0xE71FBa5db00172bb0C93d649362B006300000935').send({
+    from: account.address,
+    gas: '5000000'
+  })
+}
+
+module.exports = {
+  waitUntil,
+  sendEther,
+  sendTokens,
+  addValidator
+}
diff --git a/monitor-e2e/wait-for-monitor.sh b/monitor-e2e/wait-for-monitor.sh
new file mode 100755
index 00000000..52810e81
--- /dev/null
+++ b/monitor-e2e/wait-for-monitor.sh
@@ -0,0 +1,27 @@
+FILES=(getBalances.json validators.json eventsStats.json alerts.json)
+
+check_files_exist() {
+  rc=0
+  for f in "${FILES[@]}"; do
+    command="test -f responses/$f"
+    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor /bin/bash -c "$command") || rc=1
+    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20 /bin/bash -c "$command") || rc=1
+    (docker-compose -f ../e2e-commons/docker-compose.yml exec monitor-erc20-native /bin/bash -c "$command") || rc=1
+  done
+  return $rc
+}
+
+i=0
+until check_files_exist
+do
+  ((i++))
+  if [ "$i" -gt 30 ]
+  then
+    exit -1
+  fi
+
+  echo "Waiting for monitor to start..."
+  sleep 3
+done
+
+echo "Monitor started"
diff --git a/package.json b/package.json
index 28ac76e0..faaeefa1 100644
--- a/package.json
+++ b/package.json
@@ -29,13 +29,14 @@
     "ui",
     "ui-e2e",
     "monitor",
+    "monitor-e2e",
     "contracts"
   ],
   "scripts": {
     "initialize": "yarn clean && git submodule update --init && yarn install --unsafe-perm --frozen-lockfile && yarn install:deploy && yarn compile:contracts",
     "build": "yarn workspace ui run build",
     "lint": "yarn wsrun --exclude token-bridge-contracts lint",
-    "test": "yarn wsrun --exclude monitor --exclude oracle-e2e --exclude ui-e2e test",
+    "test": "yarn wsrun --exclude monitor --exclude oracle-e2e --exclude ui-e2e --exclude monitor-e2e test",
     "oracle-e2e": "./oracle-e2e/run-tests.sh",
     "ui-e2e": "./ui-e2e/run-tests.sh",
     "clean": "rm -rf ./node_modules ./**/node_modules ./**/**/node_modules ./**/build",
diff --git a/yarn.lock b/yarn.lock
index 4d99b955..f02730ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2783,6 +2783,14 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
+axios@^0.19.0:
+  version "0.19.0"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.0.tgz#8e09bff3d9122e133f7b8101c8fbdd00ed3d2ab8"
+  integrity sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==
+  dependencies:
+    follow-redirects "1.5.10"
+    is-buffer "^2.0.2"
+
 axobject-query@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-2.0.2.tgz#ea187abe5b9002b377f925d8bf7d1c561adf38f9"
@@ -5441,7 +5449,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.0, debug@^2.6.8, debug@^2.6.
   dependencies:
     ms "2.0.0"
 
-debug@3.1.0:
+debug@3.1.0, debug@=3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
   integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
@@ -5469,7 +5477,7 @@ debug@^4.0.1, debug@^4.1.0, debug@^4.1.1:
   dependencies:
     ms "^2.1.1"
 
-debuglog@*, debuglog@^1.0.1:
+debuglog@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debuglog/-/debuglog-1.0.1.tgz#aa24ffb9ac3df9a2351837cfb2d279360cd78492"
   integrity sha1-qiT/uaw9+aI1GDfPstJ5NgzXhJI=
@@ -7648,6 +7656,13 @@ flush-write-stream@^1.0.0, flush-write-stream@^1.0.2:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
+follow-redirects@1.5.10:
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
+  integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
+  dependencies:
+    debug "=3.1.0"
+
 follow-redirects@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.7.0.tgz#489ebc198dc0e7f64167bd23b03c4c19b5784c76"
@@ -8989,7 +9004,7 @@ import-local@^2.0.0:
     pkg-dir "^3.0.0"
     resolve-cwd "^2.0.0"
 
-imurmurhash@*, imurmurhash@^0.1.4:
+imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
@@ -9241,7 +9256,7 @@ is-buffer@^1.0.2, is-buffer@^1.1.5:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
-is-buffer@^2.0.0:
+is-buffer@^2.0.0, is-buffer@^2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
   integrity sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==
@@ -11064,11 +11079,6 @@ lockfile@^1.0.4:
   dependencies:
     signal-exit "^3.0.2"
 
-lodash._baseindexof@*:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseindexof/-/lodash._baseindexof-3.1.0.tgz#fe52b53a1c6761e42618d654e4a25789ed61822c"
-  integrity sha1-/lK1OhxnYeQmGNZU5KJXie1hgiw=
-
 lodash._baseuniq@~4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash._baseuniq/-/lodash._baseuniq-4.6.0.tgz#0ebb44e456814af7905c6212fa2c9b2d51b841e8"
@@ -11077,33 +11087,11 @@ lodash._baseuniq@~4.6.0:
     lodash._createset "~4.0.0"
     lodash._root "~3.0.0"
 
-lodash._bindcallback@*:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._bindcallback/-/lodash._bindcallback-3.0.1.tgz#e531c27644cf8b57a99e17ed95b35c748789392e"
-  integrity sha1-5THCdkTPi1epnhftlbNcdIeJOS4=
-
-lodash._cacheindexof@*:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/lodash._cacheindexof/-/lodash._cacheindexof-3.0.2.tgz#3dc69ac82498d2ee5e3ce56091bafd2adc7bde92"
-  integrity sha1-PcaayCSY0u5ePOVgkbr9Ktx73pI=
-
-lodash._createcache@*:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/lodash._createcache/-/lodash._createcache-3.1.2.tgz#56d6a064017625e79ebca6b8018e17440bdcf093"
-  integrity sha1-VtagZAF2JeeevKa4AY4XRAvc8JM=
-  dependencies:
-    lodash._getnative "^3.0.0"
-
 lodash._createset@~4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/lodash._createset/-/lodash._createset-4.0.3.tgz#0f4659fbb09d75194fa9e2b88a6644d363c9fe26"
   integrity sha1-D0ZZ+7CddRlPqeK4imZE02PJ/iY=
 
-lodash._getnative@*, lodash._getnative@^3.0.0:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
-  integrity sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=
-
 lodash._reinterpolate@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
@@ -11194,11 +11182,6 @@ lodash.pick@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
   integrity sha1-UvBWEP/53tQiYRRB7R/BI6AwAbM=
 
-lodash.restparam@*:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
-  integrity sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=
-
 lodash.sample@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/lodash.sample/-/lodash.sample-4.2.1.tgz#5e4291b0c753fa1abeb0aab8fb29df1b66f07f6d"