Add UI e2e and ultimate tests for stake mediators and fix transfer finalization detection (#347)

.circleci/config.yml

@@ -314,3 +314,8 @@ workflows:
           scenario-name: amb
           redis-key: amb-collected-signatures:lastProcessedBlock
           oracle-e2e-script: "amb"
+      - ultimate:
+          name: "ultimate: amb stake erc to erc"
+          scenario-name: ultimate-amb-stake-erc-to-erc
+          redis-key: amb-collected-signatures:lastProcessedBlock
+          ui-e2e-grep: "AMB-STAKE-ERC-TO-ERC"

deployment-e2e/molecule/ultimate-amb-stake-erc-to-erc/Dockerfile.j2

@@ -0,0 +1,14 @@
+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
+    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi

deployment-e2e/molecule/ultimate-amb-stake-erc-to-erc/molecule.yml

@@ -0,0 +1,54 @@
+---
+driver:
+  name: docker
+platforms:
+  - name: oracle-amb-host
+    groups:
+      - ultimate
+      - amb
+    children:
+      - oracle
+    image: ubuntu:16.04
+    privileged: true
+    network_mode: host
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+  - name: ui-amb-stake-erc-to-erc-host
+    groups:
+      - ultimate
+      - amb-stake-erc-to-erc
+    children:
+      - ui
+    image: ubuntu:16.04
+    privileged: true
+    network_mode: host
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+provisioner:
+  name: ansible
+  playbooks:
+    prepare: ../prepare.yml
+    converge: ../ultimate-commons/converge.yml
+  inventory:
+    host_vars:
+      oracle-amb-host:
+        COMMON_HOME_RPC_URL: "http://parity1:8545"
+        COMMON_FOREIGN_RPC_URL: "http://parity2:8545"
+        ORACLE_VALIDATOR_ADDRESS: "0xaaB52d66283F7A1D5978bcFcB55721ACB467384b"
+        ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY: "8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9"
+      ui-amb-stake-erc-to-erc-host:
+        COMMON_HOME_RPC_URL: "http://localhost:8541"
+        COMMON_FOREIGN_RPC_URL: "http://localhost:8542"
+verifier:
+  name: testinfra
+  lint:
+    name: flake8
+scenario:
+  name: ultimate-amb-stake-erc-to-erc
+  test_sequence:
+    - cleanup
+    - destroy
+    - syntax
+    - create
+    - prepare
+    - converge

deployment/group_vars/amb-stake-erc-to-erc.yml

@@ -0,0 +1,4 @@
+---
+COMMON_HOME_BRIDGE_ADDRESS: "0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC"
+COMMON_FOREIGN_BRIDGE_ADDRESS: "0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC"
+UI_PORT: 3003

e2e-commons/components-envs/oracle-amb.env

@@ -21,3 +21,5 @@ COMMON_FOREIGN_GAS_PRICE_FACTOR=1
 ORACLE_HOME_RPC_POLLING_INTERVAL=500
 ORACLE_FOREIGN_RPC_POLLING_INTERVAL=500
 ORACLE_ALLOW_HTTP_FOR_RPC=yes
+ORACLE_HOME_START_BLOCK=1
+ORACLE_FOREIGN_START_BLOCK=1

e2e-commons/components-envs/oracle-erc20.env

@@ -21,3 +21,5 @@ COMMON_FOREIGN_GAS_PRICE_FACTOR=0.1
 ORACLE_HOME_RPC_POLLING_INTERVAL=500
 ORACLE_FOREIGN_RPC_POLLING_INTERVAL=500
 ORACLE_ALLOW_HTTP_FOR_RPC=yes
+ORACLE_HOME_START_BLOCK=1
+ORACLE_FOREIGN_START_BLOCK=1

e2e-commons/components-envs/oracle.env

@@ -21,3 +21,5 @@ COMMON_FOREIGN_GAS_PRICE_FACTOR=0.1
 ORACLE_HOME_RPC_POLLING_INTERVAL=500
 ORACLE_FOREIGN_RPC_POLLING_INTERVAL=500
 ORACLE_ALLOW_HTTP_FOR_RPC=yes
+ORACLE_HOME_START_BLOCK=1
+ORACLE_FOREIGN_START_BLOCK=1

e2e-commons/components-envs/ui-amb-stake-erc20-erc20.env

@@ -0,0 +1,23 @@
+COMMON_HOME_BRIDGE_ADDRESS=0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC
+COMMON_FOREIGN_BRIDGE_ADDRESS=0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC
+COMMON_FOREIGN_RPC_URL=http://localhost:8542
+COMMON_HOME_RPC_URL=http://localhost:8541
+UI_NATIVE_TOKEN_DISPLAY_NAME=POA
+UI_HOME_NETWORK_DISPLAY_NAME=Sokol
+UI_FOREIGN_NETWORK_DISPLAY_NAME=Kovan
+UI_HOME_EXPLORER_TX_TEMPLATE=https://blockscout.com/poa/sokol/tx//%s
+UI_FOREIGN_EXPLORER_TX_TEMPLATE=https://blockscout.com/eth/kovan/tx/%s
+UI_HOME_EXPLORER_ADDRESS_TEMPLATE=https://blockscout.com/poa/sokol/address/%s
+UI_FOREIGN_EXPLORER_ADDRESS_TEMPLATE=https://blockscout.com/eth/kovan/address/%s
+COMMON_HOME_GAS_PRICE_SUPPLIER_URL=https://gasprice.poa.network/
+COMMON_HOME_GAS_PRICE_SPEED_TYPE=standard
+COMMON_HOME_GAS_PRICE_FALLBACK=5000000000
+UI_HOME_GAS_PRICE_UPDATE_INTERVAL=15000
+COMMON_HOME_GAS_PRICE_FACTOR=1
+COMMON_FOREIGN_GAS_PRICE_SUPPLIER_URL=https://gasprice.poa.network/
+COMMON_FOREIGN_GAS_PRICE_SPEED_TYPE=standard
+COMMON_FOREIGN_GAS_PRICE_FALLBACK=5000000000
+UI_FOREIGN_GAS_PRICE_UPDATE_INTERVAL=15000
+COMMON_FOREIGN_GAS_PRICE_FACTOR=1
+UI_PORT=3000
+UI_STYLES=stake

e2e-commons/components-envs/ui-erc20-native.env

@@ -20,3 +20,4 @@ COMMON_FOREIGN_GAS_PRICE_FALLBACK=5000000000
 UI_FOREIGN_GAS_PRICE_UPDATE_INTERVAL=15000
 COMMON_FOREIGN_GAS_PRICE_FACTOR=1
 UI_PORT=3000
+UI_STYLES=core

e2e-commons/components-envs/ui-erc20.env

@@ -20,3 +20,4 @@ COMMON_FOREIGN_GAS_PRICE_FALLBACK=5000000000
 UI_FOREIGN_GAS_PRICE_UPDATE_INTERVAL=15000
 COMMON_FOREIGN_GAS_PRICE_FACTOR=1
 UI_PORT=3000
+UI_STYLES=core

e2e-commons/components-envs/ui.env

@@ -20,3 +20,4 @@ COMMON_FOREIGN_GAS_PRICE_FALLBACK=5000000000
 UI_FOREIGN_GAS_PRICE_UPDATE_INTERVAL=15000
 COMMON_FOREIGN_GAS_PRICE_FACTOR=1
 UI_PORT=3000
+UI_STYLES=core

e2e-commons/constants.json

@@ -63,6 +63,14 @@
     "foreignBox": "0x6C4EaAb8756d53Bf599FFe2347FAFF1123D6C8A1",
     "monitor": "http://monitor-amb:3013/bridge"
   },
+  "ambStakeErcToErc": {
+    "home": "0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC",
+    "foreign": "0xc26Aa60Ff574f157616D3aEE70e08aAC129E1dFC",
+    "homeToken": "0x6f359aC418a5f7538F7755A33C9c7dDf38785524",
+    "foreignToken": "0x6f359aC418a5f7538F7755A33C9c7dDf38785524",
+    "blockReward": "0xF9698Eb93702dfdd0e2d802088d4c21822a8A977",
+    "ui": "http://localhost:3003"
+  },
   "homeRPC": {
     "URL": "http://parity1:8545",
     "ID": "77"

e2e-commons/contracts-envs/amb-stake-erc-to-erc.env

@@ -0,0 +1,30 @@
+BRIDGE_MODE=STAKE_AMB_ERC_TO_ERC
+DEPLOYMENT_ACCOUNT_PRIVATE_KEY=8e829f695aed89a154550f30262f1529582cc49dc30eff74a6b491359e0230f9
+DEPLOYMENT_GAS_LIMIT_EXTRA=0.2
+HOME_DEPLOYMENT_GAS_PRICE=10000000000
+FOREIGN_DEPLOYMENT_GAS_PRICE=10000000000
+GET_RECEIPT_INTERVAL_IN_MILLISECONDS=50
+HOME_STAKE_TOKEN_ADDRESS=0x6f359aC418a5f7538F7755A33C9c7dDf38785524
+FOREIGN_STAKE_TOKEN_ADDRESS=0x6f359aC418a5f7538F7755A33C9c7dDf38785524
+BLOCK_REWARD_ADDRESS=0xF9698Eb93702dfdd0e2d802088d4c21822a8A977
+HOME_RPC_URL=http://parity1:8545
+HOME_BRIDGE_OWNER=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
+HOME_UPGRADEABLE_ADMIN=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
+HOME_DAILY_LIMIT=30000000000000000000000000
+HOME_MAX_AMOUNT_PER_TX=1500000000000000000000000
+HOME_MIN_AMOUNT_PER_TX=10000000000000000
+HOME_TRANSACTIONS_FEE=0
+FOREIGN_RPC_URL=http://parity2:8545
+FOREIGN_BRIDGE_OWNER=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
+FOREIGN_UPGRADEABLE_ADMIN=0xaaB52d66283F7A1D5978bcFcB55721ACB467384b
+FOREIGN_DAILY_LIMIT=15000000000000000000000000
+FOREIGN_MAX_AMOUNT_PER_TX=750000000000000000000000
+FOREIGN_MIN_AMOUNT_PER_TX=10000000000000000
+HOME_AMB_BRIDGE=0x0AEe1FCD12dDFab6265F7f8956e6E012A9Fe4Aa0
+FOREIGN_AMB_BRIDGE=0x0AEe1FCD12dDFab6265F7f8956e6E012A9Fe4Aa0
+HOME_MEDIATOR_REQUEST_GAS_LIMIT=2000000
+FOREIGN_MEDIATOR_REQUEST_GAS_LIMIT=2000000
+
+BRIDGEABLE_TOKEN_NAME='not used'
+BRIDGEABLE_TOKEN_SYMBOL='not used'
+BRIDGEABLE_TOKEN_DECIMALS='18'

e2e-commons/docker-compose.yml

@@ -93,6 +93,15 @@ services:
     command: "true"
     networks:
       - ultimate
+  ui-amb-stake-erc20-erc20:
+    build:
+      context: ..
+      dockerfile: ui/Dockerfile
+      args:
+        DOT_ENV_PATH: e2e-commons/components-envs/ui-amb-stake-erc20-erc20.env
+    command: "true"
+    networks:
+      - ultimate
   monitor:
     build:
       context: ..

e2e-commons/scripts/deploy.sh

@@ -43,3 +43,13 @@ echo -e "\n\n############ Deploying test contract for amb ############\n"
 cd "$DEPLOY_PATH"
 node src/utils/deployTestBox.js
 cd - > /dev/null
+
+echo -e "\n\n############ Deploying amb stake erc to erc ############\n"
+cp "$ENVS_PATH/amb-stake-erc-to-erc.env" "$DEPLOY_PATH/.env"
+node deployMultiBridgeToken.js
+node deployBridgeTokenRewardable.js
+cd "$DEPLOY_PATH"
+node deploy.js
+cd - > /dev/null
+node setupStakeTokens.js
+cd - > /dev/null

e2e-commons/scripts/deployBridgeTokenRewardable.js

@@ -0,0 +1,43 @@
+const path = require('path')
+const { user } = require('../constants.json')
+const contractsPath = '../../contracts'
+require('dotenv').config({
+  path: path.join(__dirname, contractsPath, '/deploy/.env')
+})
+
+const { deployContract, sendRawTxHome, privateKeyToAddress } = require(`${contractsPath}/deploy/src/deploymentUtils`)
+const { web3Home, deploymentPrivateKey } = require(`${contractsPath}/deploy/src/web3`)
+const ERC677BridgeTokenRewardable = require(`${contractsPath}/build/contracts/ERC677BridgeTokenRewardable.json`)
+
+const { DEPLOYMENT_ACCOUNT_PRIVATE_KEY } = process.env
+const DEPLOYMENT_ACCOUNT_ADDRESS = privateKeyToAddress(DEPLOYMENT_ACCOUNT_PRIVATE_KEY)
+
+async function deployBridgeTokenRewardable() {
+  try {
+    let homeNonce = await web3Home.eth.getTransactionCount(DEPLOYMENT_ACCOUNT_ADDRESS)
+    console.log('\n[Home] Deploying ERC677BridgeTokenRewardable Test token')
+    const stakeToken = await deployContract(ERC677BridgeTokenRewardable, ['STAKE', 'STAKE', '18', '77'], {
+      from: DEPLOYMENT_ACCOUNT_ADDRESS,
+      network: 'home',
+      nonce: homeNonce
+    })
+    homeNonce++
+    console.log('[Home] Stake Token: ', stakeToken.options.address)
+
+    const mintData = await stakeToken.methods
+      .mint(user.address, '500000000000000000000')
+      .encodeABI({ from: DEPLOYMENT_ACCOUNT_ADDRESS })
+    await sendRawTxHome({
+      data: mintData,
+      nonce: homeNonce,
+      to: stakeToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+  } catch (e) {
+    console.log(e)
+    throw e
+  }
+}
+
+deployBridgeTokenRewardable()

e2e-commons/scripts/deployMultiBridgeToken.js

@@ -0,0 +1,43 @@
+const path = require('path')
+const { user } = require('../constants.json')
+const contractsPath = '../../contracts'
+require('dotenv').config({
+  path: path.join(__dirname, contractsPath, '/deploy/.env')
+})
+
+const { deployContract, sendRawTxForeign, privateKeyToAddress } = require(`${contractsPath}/deploy/src/deploymentUtils`)
+const { web3Foreign, deploymentPrivateKey } = require(`${contractsPath}/deploy/src/web3`)
+const ERC677MultiBridgeToken = require(`${contractsPath}/build/contracts/ERC677MultiBridgeToken.json`)
+
+const { DEPLOYMENT_ACCOUNT_PRIVATE_KEY } = process.env
+const DEPLOYMENT_ACCOUNT_ADDRESS = privateKeyToAddress(DEPLOYMENT_ACCOUNT_PRIVATE_KEY)
+
+async function deployMultiBridgeToken() {
+  try {
+    let foreignNonce = await web3Foreign.eth.getTransactionCount(DEPLOYMENT_ACCOUNT_ADDRESS)
+    console.log('\n[Foreign] Deploying ERC677MultiBridgeToken Test token')
+    const stakeToken = await deployContract(ERC677MultiBridgeToken, ['STAKE', 'STAKE', '18', '42'], {
+      from: DEPLOYMENT_ACCOUNT_ADDRESS,
+      network: 'foreign',
+      nonce: foreignNonce
+    })
+    foreignNonce++
+    console.log('[Foreign] Stake Token: ', stakeToken.options.address)
+
+    const mintData = await stakeToken.methods
+      .mint(user.address, '500000000000000000000')
+      .encodeABI({ from: DEPLOYMENT_ACCOUNT_ADDRESS })
+    await sendRawTxForeign({
+      data: mintData,
+      nonce: foreignNonce,
+      to: stakeToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.FOREIGN_RPC_URL
+    })
+  } catch (e) {
+    console.log(e)
+    throw e
+  }
+}
+
+deployMultiBridgeToken()

e2e-commons/scripts/setupStakeTokens.js

@@ -0,0 +1,111 @@
+const path = require('path')
+const { ambStakeErcToErc, validator, secondValidator, thirdValidator } = require('../constants.json')
+const contractsPath = '../../contracts'
+require('dotenv').config({
+  path: path.join(__dirname, contractsPath, '/deploy/.env')
+})
+const { sendRawTxHome, sendRawTxForeign, privateKeyToAddress } = require(`${contractsPath}/deploy/src/deploymentUtils`)
+const { web3Home, web3Foreign, deploymentPrivateKey } = require(`${contractsPath}/deploy/src/web3`)
+const BlockReward = require(`${contractsPath}/build/contracts/BlockReward.json`)
+const ERC677BridgeTokenRewardable = require(`${contractsPath}/build/contracts/ERC677BridgeTokenRewardable.json`)
+const ERC677MultiBridgeToken = require(`${contractsPath}/build/contracts/ERC677MultiBridgeToken.json`)
+
+const { DEPLOYMENT_ACCOUNT_PRIVATE_KEY } = process.env
+const DEPLOYMENT_ACCOUNT_ADDRESS = privateKeyToAddress(DEPLOYMENT_ACCOUNT_PRIVATE_KEY)
+
+async function setupStakeTokens() {
+  try {
+    let homeNonce = await web3Home.eth.getTransactionCount(DEPLOYMENT_ACCOUNT_ADDRESS)
+
+    const blockReward = new web3Home.eth.Contract(BlockReward.abi, ambStakeErcToErc.blockReward)
+
+    console.log('\n[Home] Set token in block reward')
+    const setTokenData = await blockReward.methods.setToken(ambStakeErcToErc.homeToken).encodeABI()
+    await sendRawTxHome({
+      data: setTokenData,
+      nonce: homeNonce,
+      to: blockReward.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+    homeNonce++
+
+    console.log('\n[Home] Set validators rewards in block reward')
+    const setValidatorsRewardsData = await blockReward.methods
+      .setValidatorsRewards([validator.address, secondValidator.address, thirdValidator.address])
+      .encodeABI()
+    await sendRawTxHome({
+      data: setValidatorsRewardsData,
+      nonce: homeNonce,
+      to: blockReward.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+    homeNonce++
+
+    const homeToken = new web3Home.eth.Contract(ERC677BridgeTokenRewardable.abi, ambStakeErcToErc.homeToken)
+
+    console.log('\n[Home] Set block reward in token')
+    const setBlockRewardData = await homeToken.methods.setBlockRewardContract(ambStakeErcToErc.blockReward).encodeABI()
+    await sendRawTxHome({
+      data: setBlockRewardData,
+      nonce: homeNonce,
+      to: homeToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+    homeNonce++
+
+    console.log('\n[Home] Add bridge in token')
+    const addBridgeData = await homeToken.methods.addBridge(ambStakeErcToErc.home).encodeABI()
+    await sendRawTxHome({
+      data: addBridgeData,
+      nonce: homeNonce,
+      to: homeToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+    homeNonce++
+
+    console.log('\n[Home] transfer token ownership to mediator')
+    const transferOwnershipData = await homeToken.methods.transferOwnership(ambStakeErcToErc.home).encodeABI()
+    await sendRawTxHome({
+      data: transferOwnershipData,
+      nonce: homeNonce,
+      to: homeToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.HOME_RPC_URL
+    })
+    homeNonce++
+
+    let foreignNonce = await web3Foreign.eth.getTransactionCount(DEPLOYMENT_ACCOUNT_ADDRESS)
+    const foreignToken = new web3Foreign.eth.Contract(ERC677MultiBridgeToken.abi, ambStakeErcToErc.foreignToken)
+
+    console.log('\n[Foreign] Add bridge in token')
+    const addBridgeForeignData = await homeToken.methods.addBridge(ambStakeErcToErc.foreign).encodeABI()
+    await sendRawTxForeign({
+      data: addBridgeForeignData,
+      nonce: foreignNonce,
+      to: foreignToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.FOREIGN_RPC_URL
+    })
+    foreignNonce++
+
+    console.log('\n[Foreign] transfer token ownership to mediator')
+    const transferOwnershipForeignData = await homeToken.methods.transferOwnership(ambStakeErcToErc.foreign).encodeABI()
+    await sendRawTxForeign({
+      data: transferOwnershipForeignData,
+      nonce: foreignNonce,
+      to: foreignToken.options.address,
+      privateKey: deploymentPrivateKey,
+      url: process.env.FOREIGN_RPC_URL
+    })
+    foreignNonce++
+  } catch (e) {
+    console.log(e)
+    throw e
+  }
+}
+
+setupStakeTokens()

e2e-commons/up.sh

@@ -74,11 +74,12 @@ while [ "$1" != "" ]; do
   fi
 
   if [ "$1" == "ui" ]; then
-    docker-compose up -d ui ui-erc20 ui-erc20-native
+    docker-compose up -d ui ui-erc20 ui-erc20-native ui-amb-stake-erc20-erc20
 
     docker-compose run -d -p 3000:3000 ui yarn start
     docker-compose run -d -p 3001:3000 ui-erc20 yarn start
     docker-compose run -d -p 3002:3000 ui-erc20-native yarn start
+    docker-compose run -d -p 3003:3000 ui-amb-stake-erc20-erc20 yarn start
   fi
 
   if [ "$1" == "deploy" ]; then
@@ -109,5 +110,9 @@ while [ "$1" != "" ]; do
     ../deployment-e2e/molecule.sh ultimate-amb
   fi
 
+  if [ "$1" == "ultimate-amb-stake-erc-to-erc" ]; then
+    ../deployment-e2e/molecule.sh ultimate-amb-stake-erc-to-erc
+  fi
+
   shift # Shift all the parameters down by one
 done

ui-e2e/Utils.js

@@ -5,6 +5,7 @@ const {
   nativeToErcBridge,
   ercToErcBridge,
   ercToNativeBridge,
+  ambStakeErcToErc,
   homeRPC,
   foreignRPC
 } = require('../e2e-commons/constants.json')
@@ -38,6 +39,10 @@ class Utils {
     return ercToNativeBridge.ui
   }
 
+  static async getAMBStakeStartURL() {
+    return ambStakeErcToErc.ui
+  }
+
   static async startBrowserWithMetamask() {
     const source = './MetaMask.crx'
     const options = new chrome.Options()

ui-e2e/test.js

@@ -308,4 +308,94 @@ test.describe('e2e-test for bridge.poa, version 1.5.0', async function() {
       return await assert.strictEqual(result, true, 'Test FAILED. Foreign POA balance is not correct after transaction')
     })
   })
+
+  test.describe('AMB-STAKE-ERC-TO-ERC', async () => {
+    test.it('User is able to open main page of bridge-ui ', async () => {
+      startURL = await Utils.getAMBStakeStartURL()
+      const result = await mainPage.open(startURL)
+      console.log('Test URL:  ' + startURL)
+      return await assert.strictEqual(result, true, 'Test FAILED. Build failed.')
+    })
+
+    test.it('Home page: disclaimer is displayed ', async () => {
+      const result = await mainPage.confirmDisclaimer()
+      return await assert.strictEqual(result, true, 'Test FAILED. Disclaimer is not displayed')
+    })
+
+    test.it('Main page: foreign erc20 balance is displayed', async () => {
+      await foreignAccount.setMetaMaskNetwork()
+      foreignBalanceBefore = await mainPage.getForeignPOABalance()
+      console.log('foreignBalanceBefore = ' + foreignBalanceBefore)
+      const result = foreignBalanceBefore !== 0
+      return await assert.strictEqual(result, true, 'Test FAILED. Foreign erc20 balance is zero')
+    })
+
+    test.it('Main page: home erc20 balance is displayed', async () => {
+      homeBalanceBefore = await mainPage.getHomePOABalance()
+      console.log('homeBalanceBefore = ' + homeBalanceBefore)
+      const result = homeBalanceBefore !== 0
+      return await assert.strictEqual(result, true, 'Test FAILED. Home erc20 balance is zero or not displayed ')
+    })
+
+    test.it('User is able to send tokens from Foreign account to Home account', async () => {
+      homeBalanceBefore = await mainPage.getForeignPOABalance()
+      foreignBalanceBefore = await mainPage.getHomePOABalance()
+      const result = await foreignAccount.transferTokens(maxAmountPerTransactionLimit)
+      return await assert.strictEqual(
+        result,
+        true,
+        'Test FAILED. User is able send tokens from Foreign account to Home account'
+      )
+    })
+
+    test.it('Foreign POA balance has correctly changed after transaction', async () => {
+      const newForeignBalance = await mainPage.getHomePOABalance()
+      const shouldBe = foreignBalanceBefore - maxAmountPerTransactionLimit
+      console.log('newForeignBalance = ' + newForeignBalance)
+      console.log('shouldBe = ' + shouldBe)
+      const result = Math.abs(shouldBe - newForeignBalance) < maxAmountPerTransactionLimit / 100
+      return await assert.strictEqual(result, true, 'Test FAILED.Foreign POA balance is not correct after transaction')
+    })
+
+    test.it('Home account has received correct amount of tokens after transaction', async () => {
+      const newHomeBalance = await mainPage.getForeignPOABalance()
+      const shouldBe = homeBalanceBefore + maxAmountPerTransactionLimit
+      console.log('newHomeBalance = ' + newHomeBalance)
+      console.log('shouldBe = ' + shouldBe)
+      const result = Math.abs(shouldBe - newHomeBalance) < maxAmountPerTransactionLimit / 100
+      return await assert.strictEqual(result, true, 'Test FAILED.Home POA balance is not correct after transaction')
+    })
+    test.it('User is able to send tokens from Home account to Foreign account', async () => {
+      await homeAccount.setMetaMaskNetwork()
+      homeBalanceBefore = await mainPage.getHomePOABalance()
+      foreignBalanceBefore = await mainPage.getForeignPOABalance()
+      const result = await homeAccount.transferTokens(maxAmountPerTransactionLimit)
+      return await assert.strictEqual(
+        result,
+        true,
+        'Test FAILED. User is able send tokens from Home account to Foreign account'
+      )
+    })
+
+    test.it('Home POA balance has correctly changed after transaction', async () => {
+      const newHomeBalance = await mainPage.getHomePOABalance()
+      const shouldBe = homeBalanceBefore - maxAmountPerTransactionLimit
+      console.log('newHomeBalance = ' + newHomeBalance)
+      console.log('shouldBe = ' + shouldBe)
+      const result = Math.abs(shouldBe - newHomeBalance) < maxAmountPerTransactionLimit / 100
+      homeBalanceBefore = newHomeBalance
+      return await assert.strictEqual(result, true, 'Test FAILED.Home POA balance is not correct after transaction')
+    })
+
+    test.it('Foreign account has received correct amount of tokens after transaction', async () => {
+      const newForeignBalance = await mainPage.getForeignPOABalance()
+
+      const shouldBe = foreignBalanceBefore + maxAmountPerTransactionLimit
+      console.log('newForeignBalance = ' + newForeignBalance)
+      console.log('shouldBe = ' + shouldBe)
+
+      const result = Math.abs(shouldBe - newForeignBalance) < maxAmountPerTransactionLimit / 100
+      return await assert.strictEqual(result, true, 'Test FAILED. Foreign POA balance is not correct after transaction')
+    })
+  })
 })

ui/src/components/NetworkSelect.js

@@ -16,12 +16,10 @@ export default class NetworkSelect extends Component {
   }
 
   displayList = () => {
-    console.log('Display List!')
     this.setState({ displayList: true })
   }
 
   hideList = () => {
-    console.log('Hide List!')
     this.setState({ displayList: false })
   }
 

ui/src/stores/ForeignStore.js

@@ -12,7 +12,8 @@ import {
   ERC20_BYTES32_ABI,
   getDeployedAtBlock,
   isMediatorMode,
-  FOREIGN_AMB_ABI
+  FOREIGN_AMB_ABI,
+  HOME_AMB_ABI
 } from '../../../commons'
 import {
   getMaxPerTxLimit,
@@ -35,7 +36,9 @@ import {
   getRequiredSignatures,
   getValidatorCount,
   getRequiredBlockConfirmations,
-  getBridgeContract
+  getBridgeContract,
+  getBridgeInterfacesVersion,
+  AMB_MULTIPLE_REQUESTS_PER_TX_VERSION
 } from './utils/contract'
 import { balanceLoaded, removePendingTransaction } from './utils/testUtils'
 import sleep from './utils/sleep'
@@ -131,6 +134,7 @@ class ForeignStore {
   explorerTxTemplate = process.env.REACT_APP_UI_FOREIGN_EXPLORER_TX_TEMPLATE || ''
   explorerAddressTemplate = process.env.REACT_APP_UI_FOREIGN_EXPLORER_ADDRESS_TEMPLATE || ''
   ambBridgeContract = {}
+  ambBridgeInterfaceVersion = {}
 
   constructor(rootStore) {
     this.web3Store = rootStore.web3Store
@@ -367,8 +371,27 @@ class ForeignStore {
     this.filter = value
   }
 
-  addWaitingForConfirmation(hash) {
+  addWaitingForConfirmation(hash, txReceipt) {
+    if (
+      isMediatorMode(this.rootStore.bridgeMode) &&
+      this.ambBridgeInterfaceVersion.major >= AMB_MULTIPLE_REQUESTS_PER_TX_VERSION.major
+    ) {
+      const UserRequestForSignatureAbi = HOME_AMB_ABI.filter(
+        e => e.type === 'event' && e.name === 'UserRequestForSignature'
+      )[0]
+      const UserRequestForSignatureHash = this.foreignWeb3.eth.abi.encodeEventSignature(UserRequestForSignatureAbi)
+      // Get event in amb bridge
+      const ambRawEvent = txReceipt.logs.filter(
+        e =>
+          e.address === this.rootStore.homeStore.ambBridgeContract.options.address &&
+          e.topics[0] === UserRequestForSignatureHash
+      )[0]
+
+      const messageId = ambRawEvent.topics[1]
+      this.waitingForConfirmation.add(messageId)
+    } else {
       this.waitingForConfirmation.add(hash)
+    }
     this.setBlockFilter(0)
     this.homeStore.setBlockFilter(0)
   }
@@ -518,6 +541,7 @@ class ForeignStore {
       const foreignAMBBridgeContract = await getBridgeContract(this.foreignBridge)
       this.ambBridgeContract = new this.foreignWeb3.eth.Contract(FOREIGN_AMB_ABI, foreignAMBBridgeContract)
       this.requiredBlockConfirmations = await getRequiredBlockConfirmations(this.ambBridgeContract)
+      this.ambBridgeInterfaceVersion = await getBridgeInterfacesVersion(this.ambBridgeContract)
     } else {
       this.requiredBlockConfirmations = await getRequiredBlockConfirmations(this.foreignBridge)
     }

ui/src/stores/HomeStore.js

@@ -15,7 +15,8 @@ import {
   getDeployedAtBlock,
   isErcToErcMode,
   isMediatorMode,
-  HOME_AMB_ABI
+  HOME_AMB_ABI,
+  FOREIGN_AMB_ABI
 } from '../../../commons'
 import {
   getMaxPerTxLimit,
@@ -43,7 +44,9 @@ import {
   getValidatorCount,
   getFee,
   getRequiredBlockConfirmations,
-  getBridgeContract
+  getBridgeContract,
+  getBridgeInterfacesVersion,
+  AMB_MULTIPLE_REQUESTS_PER_TX_VERSION
 } from './utils/contract'
 import { balanceLoaded, removePendingTransaction } from './utils/testUtils'
 import sleep from './utils/sleep'
@@ -167,6 +170,7 @@ class HomeStore {
   tokenDecimals = 18
   blockRewardContract = {}
   ambBridgeContract = {}
+  ambBridgeInterfaceVersion = {}
 
   constructor(rootStore) {
     this.homeWeb3 = rootStore.web3Store.homeWeb3
@@ -434,8 +438,27 @@ class HomeStore {
     }
   }
 
-  addWaitingForConfirmation(hash) {
+  addWaitingForConfirmation(hash, txReceipt) {
+    if (
+      isMediatorMode(this.rootStore.bridgeMode) &&
+      this.ambBridgeInterfaceVersion.major >= AMB_MULTIPLE_REQUESTS_PER_TX_VERSION.major
+    ) {
+      const userRequestForAffirmationAbi = FOREIGN_AMB_ABI.filter(
+        e => e.type === 'event' && e.name === 'UserRequestForAffirmation'
+      )[0]
+      const userRequestForAffirmationHash = this.homeWeb3.eth.abi.encodeEventSignature(userRequestForAffirmationAbi)
+      // Get event in amb bridge
+      const ambRawEvent = txReceipt.logs.filter(
+        e =>
+          e.address === this.rootStore.foreignStore.ambBridgeContract.options.address &&
+          e.topics[0] === userRequestForAffirmationHash
+      )[0]
+
+      const messageId = ambRawEvent.topics[1]
+      this.waitingForConfirmation.add(messageId)
+    } else {
       this.waitingForConfirmation.add(hash)
+    }
     this.setBlockFilter(0)
     this.rootStore.foreignStore.setBlockFilter(0)
   }
@@ -652,6 +675,7 @@ class HomeStore {
       const homeAMBBridgeContract = await getBridgeContract(this.homeBridge)
       this.ambBridgeContract = new this.homeWeb3.eth.Contract(HOME_AMB_ABI, homeAMBBridgeContract)
       this.requiredBlockConfirmations = await getRequiredBlockConfirmations(this.ambBridgeContract)
+      this.ambBridgeInterfaceVersion = await getBridgeInterfacesVersion(this.ambBridgeContract)
     } else {
       this.requiredBlockConfirmations = await getRequiredBlockConfirmations(this.homeBridge)
     }

ui/src/stores/TxStore.js

@@ -142,7 +142,7 @@ class TxStore {
                   removePendingTransaction()
                 })
               } else {
-                this.foreignStore.addWaitingForConfirmation(hash)
+                this.foreignStore.addWaitingForConfirmation(hash, res)
               }
             } else {
               if (blockConfirmations > 0) {
@@ -169,7 +169,7 @@ class TxStore {
                   removePendingTransaction()
                 })
               } else {
-                this.homeStore.addWaitingForConfirmation(hash)
+                this.homeStore.addWaitingForConfirmation(hash, res)
               }
             } else {
               if (blockConfirmations > 0) {

ui/src/stores/utils/contract.js

@@ -5,6 +5,12 @@ import { getValidatorList as commonGetValidatorList, getPastEvents as commonGetP
 
 export const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
 
+export const AMB_MULTIPLE_REQUESTS_PER_TX_VERSION = {
+  major: 5,
+  minor: 0,
+  patch: 0
+}
+
 export const getMaxPerTxLimit = async (contract, decimals) => {
   const maxPerTx = await contract.methods.maxPerTx().call()
   return fromDecimals(maxPerTx, decimals)
@@ -109,3 +115,12 @@ export const getRequiredBlockConfirmations = async contract => {
 }
 
 export const getBridgeContract = contract => contract.methods.bridgeContract().call()
+
+export const getBridgeInterfacesVersion = async contract => {
+  const { major, minor, patch } = await contract.methods.getBridgeInterfacesVersion().call()
+  return {
+    major: parseInt(major),
+    minor: parseInt(minor),
+    patch: parseInt(patch)
+  }
+}