Add Alm project structure and transaction form (#353)

alm/.env.example

@@ -3,3 +3,9 @@ COMMON_FOREIGN_BRIDGE_ADDRESS=0xFe446bEF1DbF7AFE24E81e05BC8B271C1BA9a560
 
 COMMON_HOME_RPC_URL=https://sokol.poa.network
 COMMON_FOREIGN_RPC_URL=https://kovan.infura.io/v3/
+
+ALM_HOME_NETWORK_NAME=Sokol Testnet
+ALM_FOREIGN_NETWORK_NAME=Kovan Testnet
+
+ALM_HOME_EXPLORER_TX_TEMPLATE=https://blockscout.com/poa/sokol/tx/%s
+ALM_FOREIGN_EXPLORER_TX_TEMPLATE=https://blockscout.com/eth/kovan/tx/%s

alm/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "@react-hook/window-size": "^3.0.6",
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
@@ -10,12 +11,19 @@
     "@types/node": "^12.0.0",
     "@types/react": "^16.9.0",
     "@types/react-dom": "^16.9.0",
+    "@types/react-router-dom": "^5.1.5",
+    "@types/styled-components": "^5.1.0",
     "customize-cra": "^1.0.0",
+    "date-fns": "^2.14.0",
+    "fast-memoize": "^2.5.2",
     "react": "^16.13.1",
     "react-app-rewired": "^2.1.6",
     "react-dom": "^16.13.1",
+    "react-router-dom": "^5.2.0",
     "react-scripts": "3.0.1",
-    "typescript": "^3.5.2"
+    "styled-components": "^5.1.1",
+    "typescript": "^3.5.2",
+    "web3": "^1.2.8"
   },
   "scripts": {
     "start": "./load-env.sh react-app-rewired start",

alm/public/index.html

@@ -7,8 +7,9 @@
     <meta name="theme-color" content="#000000" />
     <meta
       name="description"
-      content="Web site created using create-react-app"
+      content="AMB Live Monitoring"
     />
+    <link rel="stylesheet" href="https://unpkg.com/chota@latest">
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a

alm/public/manifest.json

@@ -1,21 +1,11 @@
 {
-  "short_name": "React App",
-  "name": "Create React App Sample",
+  "short_name": "ALM",
+  "name": "AMB Live Monitoring",
   "icons": [
     {
       "src": "favicon.ico",
       "sizes": "64x64 32x32 24x24 16x16",
       "type": "image/x-icon"
-    },
-    {
-      "src": "logo192.png",
-      "type": "image/png",
-      "sizes": "192x192"
-    },
-    {
-      "src": "logo512.png",
-      "type": "image/png",
-      "sizes": "512x512"
     }
   ],
   "start_url": ".",

alm/src/App.css

@@ -1,14 +0,0 @@
-.App {
-  text-align: center;
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}

alm/src/App.tsx

@@ -1,13 +1,12 @@
 import React from 'react'
-import './App.css'
+import { BrowserRouter } from 'react-router-dom'
+import { MainPage } from './components/MainPage'
 
 function App() {
   return (
-    <div className="App">
-      <header className="App-header">
-        <p>AMB Live Monitoring</p>
-      </header>
-    </div>
+    <BrowserRouter>
+      <MainPage />
+    </BrowserRouter>
   )
 }
 

alm/src/components/Form.tsx

@@ -0,0 +1,90 @@
+import React, { useState, FormEvent, useEffect } from 'react'
+import styled from 'styled-components'
+import { FormSubmitParams } from './MainPage'
+import { useStateProvider } from '../state/StateProvider'
+import { useParams } from 'react-router-dom'
+import { Button } from './commons/Button'
+import { RadioButtonLabel, RadioButtonContainer } from './commons/RadioButton'
+
+const LabelText = styled.label`
+  line-height: 36px;
+  max-width: 140px;
+`
+
+const Input = styled.input`
+  background-color: var(--color-primary);
+  color: var(--font-color);
+`
+
+export const Form = ({ onSubmit }: { onSubmit: ({ chainId, txHash }: FormSubmitParams) => void }) => {
+  const { home, foreign, loading } = useStateProvider()
+  const { chainId: paramChainId, txHash: paramTxHash } = useParams()
+  const [chainId, setChainId] = useState(0)
+  const [txHash, setTxHash] = useState('')
+
+  useEffect(
+    () => {
+      if (!paramChainId) {
+        setChainId(foreign.chainId)
+      } else {
+        setChainId(parseInt(paramChainId))
+        setTxHash(paramTxHash)
+      }
+    },
+    [foreign.chainId, paramChainId, paramTxHash]
+  )
+
+  const formSubmit = (e: FormEvent) => {
+    e.preventDefault()
+    onSubmit({ chainId, txHash })
+  }
+
+  return (
+    <form onSubmit={formSubmit}>
+      <div className="row is-center">
+        <LabelText className="col-2">Bridgeable tx hash:</LabelText>
+        <div className="col-7">
+          <Input
+            placeholder="Enter transaction hash"
+            type="text"
+            onChange={e => setTxHash(e.target.value)}
+            required
+            pattern="^0x[a-fA-F0-9]{64}$"
+            value={txHash}
+          />
+        </div>
+        <div className="col-1">
+          <Button className="button dark" type="submit">
+            Check
+          </Button>
+        </div>
+      </div>
+      {!loading && (
+        <div className="row is-center">
+          <RadioButtonContainer className="is-vertical-align" onClick={() => setChainId(foreign.chainId)}>
+            <input
+              className="is-marginless"
+              type="radio"
+              name="network"
+              value={foreign.name}
+              checked={chainId === foreign.chainId}
+              onChange={() => setChainId(foreign.chainId)}
+            />
+            <RadioButtonLabel htmlFor={foreign.name}>{foreign.name}</RadioButtonLabel>
+          </RadioButtonContainer>
+          <RadioButtonContainer className="is-vertical-align" onClick={() => setChainId(home.chainId)}>
+            <input
+              className="is-marginless"
+              type="radio"
+              name="network"
+              value={home.name}
+              checked={chainId === home.chainId}
+              onChange={() => setChainId(home.chainId)}
+            />
+            <RadioButtonLabel htmlFor={home.name}>{home.name}</RadioButtonLabel>
+          </RadioButtonContainer>
+        </div>
+      )}
+    </form>
+  )
+}

alm/src/components/MainPage.tsx

@@ -0,0 +1,48 @@
+import React from 'react'
+import styled from 'styled-components'
+import { Route, useHistory } from 'react-router-dom'
+import { Form } from './Form'
+import { StatusContainer } from './StatusContainer'
+import { StateProvider } from '../state/StateProvider'
+
+const StyledMainPage = styled.div`
+  text-align: center;
+  min-height: 100vh;
+`
+
+const Header = styled.header`
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+`
+
+export interface FormSubmitParams {
+  chainId: number
+  txHash: string
+}
+
+export const MainPage = () => {
+  const history = useHistory()
+  const onFormSubmit = ({ chainId, txHash }: FormSubmitParams) => {
+    history.push(`/${chainId}/${txHash}`)
+  }
+
+  return (
+    <StateProvider>
+      <StyledMainPage>
+        <Header>
+          <p>AMB Live Monitoring</p>
+        </Header>
+        <div className="container">
+          <Route
+            path={['/:chainId/:txHash/:messageIdParam', '/:chainId/:txHash', '/']}
+            children={<Form onSubmit={onFormSubmit} />}
+          />
+          <Route path={['/:chainId/:txHash/:messageIdParam', '/:chainId/:txHash']} children={<StatusContainer />} />
+        </div>
+      </StyledMainPage>
+    </StateProvider>
+  )
+}

alm/src/components/MessageSelector.tsx

@@ -0,0 +1,46 @@
+import React, { useState } from 'react'
+import { Button } from './commons/Button'
+import { RadioButtonLabel, RadioButtonContainer } from './commons/RadioButton'
+import { useWindowWidth } from '@react-hook/window-size'
+import { formatTxHashExtended } from '../utils/networks'
+
+export interface MessageSelectorParams {
+  messages: Array<string>
+  onMessageSelected: (index: number) => void
+}
+
+export const MessageSelector = ({ messages, onMessageSelected }: MessageSelectorParams) => {
+  const [messageIndex, setMessageIndex] = useState(0)
+  const windowWidth = useWindowWidth()
+
+  const onSelect = () => {
+    onMessageSelected(messageIndex)
+  }
+
+  return (
+    <div className="row is-center">
+      <div className="col-7-lg col-12 is-marginless">
+        {messages.map((message, i) => (
+          <RadioButtonContainer className="row is-center is-vertical-align" key={i} onClick={() => setMessageIndex(i)}>
+            <input
+              className="is-marginless"
+              type="radio"
+              name="message"
+              value={i}
+              checked={i === messageIndex}
+              onChange={() => setMessageIndex(i)}
+            />
+            <RadioButtonLabel htmlFor={i.toString()}>
+              {windowWidth < 700 ? formatTxHashExtended(message) : message}
+            </RadioButtonLabel>
+          </RadioButtonContainer>
+        ))}
+      </div>
+      <div className="col-1-lg col-12 is-marginless">
+        <Button className="button dark" onClick={onSelect}>
+          Select
+        </Button>
+      </div>
+    </div>
+  )
+}

alm/src/components/StatusContainer.tsx

@@ -0,0 +1,76 @@
+import React from 'react'
+import { useHistory, useParams } from 'react-router-dom'
+import { useTransactionStatus } from '../hooks/useTransactionStatus'
+import { formatTxHash, getExplorerTxUrl, getTransactionStatusDescription, validTxHash } from '../utils/networks'
+import { TRANSACTION_STATUS } from '../config/constants'
+import { MessageSelector } from './MessageSelector'
+import { Loading } from './commons/Loading'
+import { useStateProvider } from '../state/StateProvider'
+import { ExplorerTxLink } from './commons/ExplorerTxLink'
+
+export const StatusContainer = () => {
+  const { home, foreign } = useStateProvider()
+  const history = useHistory()
+  const { chainId, txHash, messageIdParam } = useParams()
+  const validChainId = chainId === home.chainId.toString() || chainId === foreign.chainId.toString()
+  const validParameters = validChainId && validTxHash(txHash)
+
+  const { messagesId, status, description, timestamp, loading } = useTransactionStatus({
+    txHash: validParameters ? txHash : '',
+    chainId: validParameters ? parseInt(chainId) : 0
+  })
+
+  const selectedMessageId =
+    messageIdParam === undefined || messagesId[messageIdParam] === undefined ? -1 : messageIdParam
+
+  if (!validParameters) {
+    return (
+      <div>
+        <p>
+          Chain Id: {chainId} and/or Transaction Hash: {txHash} are not valid
+        </p>
+      </div>
+    )
+  }
+
+  if (loading) {
+    return <Loading />
+  }
+
+  const onMessageSelected = (messageId: number) => {
+    history.push(`/${chainId}/${txHash}/${messageId}`)
+  }
+
+  const displayMessageSelector = status === TRANSACTION_STATUS.SUCCESS_MULTIPLE_MESSAGES && selectedMessageId === -1
+  const multiMessageSelected = status === TRANSACTION_STATUS.SUCCESS_MULTIPLE_MESSAGES && selectedMessageId !== -1
+  const displayReference = multiMessageSelected ? messagesId[selectedMessageId] : txHash
+  const formattedMessageId = formatTxHash(displayReference)
+
+  const displayedDescription = multiMessageSelected
+    ? getTransactionStatusDescription(TRANSACTION_STATUS.SUCCESS_ONE_MESSAGE, timestamp)
+    : description
+
+  const isHome = chainId === home.chainId.toString()
+  const txExplorerLink = getExplorerTxUrl(txHash, isHome)
+  const displayExplorerLink = status !== TRANSACTION_STATUS.NOT_FOUND
+
+  return (
+    <div>
+      {status && (
+        <p>
+          The request{' '}
+          <i>
+            {displayExplorerLink && (
+              <ExplorerTxLink href={txExplorerLink} target="blank">
+                {formattedMessageId}
+              </ExplorerTxLink>
+            )}
+            {!displayExplorerLink && <label>{formattedMessageId}</label>}
+          </i>{' '}
+          {displayedDescription}
+        </p>
+      )}
+      {displayMessageSelector && <MessageSelector messages={messagesId} onMessageSelected={onMessageSelected} />}
+    </div>
+  )
+}

alm/src/components/commons/Button.tsx

@@ -0,0 +1,5 @@
+import styled from 'styled-components'
+
+export const Button = styled.button`
+  height: 36px;
+`

alm/src/components/commons/ExplorerTxLink.tsx

@@ -0,0 +1,6 @@
+import styled from 'styled-components'
+
+export const ExplorerTxLink = styled.a`
+  color: var(--link-color);
+  text-decoration: underline;
+`

alm/src/components/commons/Loading.tsx

@@ -0,0 +1,153 @@
+import React from 'react'
+
+export const Loading = () => (
+  <div className="row is-center">
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      style={{ background: 'none', display: 'block', shapeRendering: 'auto' }}
+      width="50px"
+      height="50px"
+      viewBox="0 0 100 100"
+      preserveAspectRatio="xMidYMid"
+    >
+      <g transform="rotate(0 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.9166666666666666s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(30 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.8333333333333334s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(60 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.75s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(90 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.6666666666666666s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(120 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.5833333333333334s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(150 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.5s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(180 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.4166666666666667s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(210 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.3333333333333333s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(240 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.25s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(270 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.16666666666666666s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(300 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate
+            attributeName="opacity"
+            values="1;0"
+            keyTimes="0;1"
+            dur="1s"
+            begin="-0.08333333333333333s"
+            repeatCount="indefinite"
+          />
+        </rect>
+      </g>
+      <g transform="rotate(330 50 50)">
+        <rect x="47" y="24" rx="3" ry="6" width="6" height="12" fill="#f5f5f5">
+          <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="0s" repeatCount="indefinite" />
+        </rect>
+      </g>
+    </svg>
+    <label>Loading...</label>
+  </div>
+)

alm/src/components/commons/RadioButton.tsx

@@ -0,0 +1,9 @@
+import styled from 'styled-components'
+
+export const RadioButtonLabel = styled.label`
+  padding-left: 5px;
+`
+
+export const RadioButtonContainer = styled.div`
+  padding: 10px;
+`

alm/src/config/constants.ts

@@ -0,0 +1,19 @@
+export const HOME_BRIDGE_ADDRESS: string = process.env.REACT_APP_COMMON_HOME_BRIDGE_ADDRESS || ''
+export const FOREIGN_BRIDGE_ADDRESS: string = process.env.REACT_APP_COMMON_FOREIGN_BRIDGE_ADDRESS || ''
+
+export const HOME_RPC_URL: string = process.env.REACT_APP_COMMON_HOME_RPC_URL || ''
+export const FOREIGN_RPC_URL: string = process.env.REACT_APP_COMMON_FOREIGN_RPC_URL || ''
+
+export const HOME_NETWORK_NAME: string = process.env.REACT_APP_ALM_HOME_NETWORK_NAME || ''
+export const FOREIGN_NETWORK_NAME: string = process.env.REACT_APP_ALM_FOREIGN_NETWORK_NAME || ''
+
+export const HOME_EXPLORER_TX_TEMPLATE: string = process.env.REACT_APP_ALM_HOME_EXPLORER_TX_TEMPLATE || ''
+export const FOREIGN_EXPLORER_TX_TEMPLATE: string = process.env.REACT_APP_ALM_FOREIGN_EXPLORER_TX_TEMPLATE || ''
+
+export const TRANSACTION_STATUS = {
+  SUCCESS_MULTIPLE_MESSAGES: 'SUCCESS_MULTIPLE_MESSAGES',
+  SUCCESS_ONE_MESSAGE: 'SUCCESS_ONE_MESSAGE',
+  SUCCESS_NO_MESSAGES: 'SUCCESS_NO_MESSAGES',
+  FAILED: 'FAILED',
+  NOT_FOUND: 'NOT_FOUND'
+}

alm/src/config/descriptions.ts

@@ -0,0 +1,8 @@
+// %t will be replaced by the time -> x minutes/hours/days ago
+export const TRANSACTION_STATUS_DESCRIPTION: { [key: string]: string } = {
+  SUCCESS_MULTIPLE_MESSAGES: 'was initiated %t and contains several bridge messages. Specify one of them:',
+  SUCCESS_ONE_MESSAGE: 'was initiated %t',
+  SUCCESS_NO_MESSAGES: 'execution succeeded %t but it does not contain any bridge messages',
+  FAILED: 'failed %t',
+  NOT_FOUND: 'was not found'
+}

alm/src/global.d.ts

@@ -0,0 +1 @@
+declare type Maybe<T> = T | null

alm/src/hooks/useNetwork.ts

@@ -0,0 +1,27 @@
+import { useEffect, useState } from 'react'
+import { getWeb3 } from '../utils/web3'
+
+export const useNetwork = (url: string) => {
+  const [loading, setLoading] = useState(true)
+  const [chainId, setChainId] = useState(0)
+  const web3 = getWeb3(url)
+
+  useEffect(
+    () => {
+      setLoading(true)
+      const getChainId = async () => {
+        const id = await web3.eth.getChainId()
+        setChainId(id)
+        setLoading(false)
+      }
+      getChainId()
+    },
+    [web3.eth]
+  )
+
+  return {
+    web3,
+    chainId,
+    loading
+  }
+}

alm/src/hooks/useTransactionStatus.ts

@@ -0,0 +1,99 @@
+import { useEffect, useState } from 'react'
+import { TransactionReceipt } from 'web3-eth'
+import { TRANSACTION_STATUS } from '../config/constants'
+import { getTransactionStatusDescription } from '../utils/networks'
+import { useStateProvider } from '../state/StateProvider'
+import { getHomeMessagesFromReceipt, getForeignMessagesFromReceipt } from '../utils/web3'
+
+export const useTransactionStatus = ({ txHash, chainId }: { txHash: string; chainId: number }) => {
+  const { home, foreign } = useStateProvider()
+  const [messagesId, setMessagesId] = useState<Array<string>>([])
+  const [status, setStatus] = useState('')
+  const [description, setDescription] = useState('')
+  const [receipt, setReceipt] = useState<Maybe<TransactionReceipt>>(null)
+  const [timestamp, setTimestamp] = useState(0)
+  const [loading, setLoading] = useState(true)
+
+  useEffect(
+    () => {
+      const subscriptions: Array<number> = []
+
+      const unsubscribe = () => {
+        subscriptions.forEach(s => {
+          clearTimeout(s)
+        })
+      }
+
+      const getReceipt = async () => {
+        if (!chainId || !txHash || !home.chainId || !foreign.chainId || !home.web3 || !foreign.web3) return
+        setLoading(true)
+        const isHome = chainId === home.chainId
+        const web3 = isHome ? home.web3 : foreign.web3
+
+        const txReceipt = await web3.eth.getTransactionReceipt(txHash)
+        setReceipt(txReceipt)
+
+        if (!txReceipt) {
+          setStatus(TRANSACTION_STATUS.NOT_FOUND)
+          setDescription(getTransactionStatusDescription(TRANSACTION_STATUS.NOT_FOUND))
+          setMessagesId([txHash])
+          const timeoutId = setTimeout(() => getReceipt(), 5000)
+          subscriptions.push(timeoutId)
+        } else {
+          const blockNumber = txReceipt.blockNumber
+          const block = await web3.eth.getBlock(blockNumber)
+          const blockTimestamp = typeof block.timestamp === 'string' ? parseInt(block.timestamp) : block.timestamp
+          setTimestamp(blockTimestamp)
+
+          if (txReceipt.status) {
+            let bridgeMessagesId
+            if (isHome) {
+              bridgeMessagesId = getHomeMessagesFromReceipt(txReceipt, home.web3, home.bridgeAddress)
+            } else {
+              bridgeMessagesId = getForeignMessagesFromReceipt(txReceipt, foreign.web3, foreign.bridgeAddress)
+            }
+
+            if (bridgeMessagesId.length === 0) {
+              setMessagesId([txHash])
+              setStatus(TRANSACTION_STATUS.SUCCESS_NO_MESSAGES)
+              setDescription(getTransactionStatusDescription(TRANSACTION_STATUS.SUCCESS_NO_MESSAGES, blockTimestamp))
+            } else if (bridgeMessagesId.length === 1) {
+              setMessagesId(bridgeMessagesId)
+              setStatus(TRANSACTION_STATUS.SUCCESS_ONE_MESSAGE)
+              setDescription(getTransactionStatusDescription(TRANSACTION_STATUS.SUCCESS_ONE_MESSAGE, blockTimestamp))
+            } else {
+              setMessagesId(bridgeMessagesId)
+              setStatus(TRANSACTION_STATUS.SUCCESS_MULTIPLE_MESSAGES)
+              setDescription(
+                getTransactionStatusDescription(TRANSACTION_STATUS.SUCCESS_MULTIPLE_MESSAGES, blockTimestamp)
+              )
+            }
+          } else {
+            setStatus(TRANSACTION_STATUS.FAILED)
+            setDescription(getTransactionStatusDescription(TRANSACTION_STATUS.FAILED, blockTimestamp))
+          }
+        }
+        setLoading(false)
+      }
+
+      // unsubscribe from previous txHash
+      unsubscribe()
+
+      getReceipt()
+      return () => {
+        // unsubscribe when unmount component
+        unsubscribe()
+      }
+    },
+    [txHash, chainId, home.chainId, foreign.chainId, home.web3, foreign.web3, home.bridgeAddress, foreign.bridgeAddress]
+  )
+
+  return {
+    messagesId,
+    status,
+    description,
+    receipt,
+    timestamp,
+    loading
+  }
+}

alm/src/index.css

@@ -1,8 +0,0 @@
-body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
-    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
-    sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}

alm/src/index.tsx

@@ -1,11 +1,16 @@
 import React from 'react'
 import ReactDOM from 'react-dom'
-import './index.css'
+import { ThemeProvider } from 'styled-components'
+import { GlobalStyle } from './themes/GlobalStyle'
 import App from './App'
+import Dark from './themes/Dark'
 
 ReactDOM.render(
   <React.StrictMode>
+    <ThemeProvider theme={Dark}>
+      <GlobalStyle />
       <App />
+    </ThemeProvider>
   </React.StrictMode>,
   document.getElementById('root')
 )

alm/src/state/StateProvider.tsx

@@ -0,0 +1,67 @@
+import React, { createContext, ReactNode } from 'react'
+import { useNetwork } from '../hooks/useNetwork'
+import {
+  HOME_RPC_URL,
+  FOREIGN_RPC_URL,
+  HOME_BRIDGE_ADDRESS,
+  FOREIGN_BRIDGE_ADDRESS,
+  HOME_NETWORK_NAME,
+  FOREIGN_NETWORK_NAME
+} from '../config/constants'
+import Web3 from 'web3'
+
+export interface NetworkParams {
+  chainId: number
+  name: string
+  web3: Maybe<Web3>
+  bridgeAddress: string
+}
+
+export interface StateContext {
+  home: NetworkParams
+  foreign: NetworkParams
+  loading: boolean
+}
+
+const initialState = {
+  home: {
+    chainId: 0,
+    name: '',
+    web3: null,
+    bridgeAddress: HOME_BRIDGE_ADDRESS
+  },
+  foreign: {
+    chainId: 0,
+    name: '',
+    web3: null,
+    bridgeAddress: FOREIGN_BRIDGE_ADDRESS
+  },
+  loading: true
+}
+
+const StateContext = createContext<StateContext>(initialState)
+
+export const StateProvider = ({ children }: { children: ReactNode }) => {
+  const homeNetwork = useNetwork(HOME_RPC_URL)
+  const foreignNetwork = useNetwork(FOREIGN_RPC_URL)
+
+  const value = {
+    home: {
+      bridgeAddress: HOME_BRIDGE_ADDRESS,
+      name: HOME_NETWORK_NAME,
+      ...homeNetwork
+    },
+    foreign: {
+      bridgeAddress: FOREIGN_BRIDGE_ADDRESS,
+      name: FOREIGN_NETWORK_NAME,
+      ...foreignNetwork
+    },
+    loading: homeNetwork.loading || foreignNetwork.loading
+  }
+
+  return <StateContext.Provider value={value}>{children}</StateContext.Provider>
+}
+
+export const useStateProvider = (): StateContext => {
+  return React.useContext(StateContext)
+}

alm/src/themes/Dark.tsx

@@ -0,0 +1,9 @@
+const theme = {
+  backgroundColor: '#121212',
+  fontColor: '#f5f5f5',
+  colorPrimary: '#272727',
+  colorGrey: '#272727',
+  colorLightGrey: '#272727',
+  linkColor: '#ffffff'
+}
+export default theme

alm/src/themes/GlobalStyle.tsx

@@ -0,0 +1,25 @@
+import { createGlobalStyle } from 'styled-components'
+
+import theme from './Dark'
+
+type ThemeType = typeof theme
+
+export const GlobalStyle = createGlobalStyle<{ theme: ThemeType }>`
+  body {
+    margin: 0;
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+      'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+      sans-serif;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+  }
+  
+  :root {
+    --bg-color: ${props => props.theme.backgroundColor};
+    --font-color: ${props => props.theme.fontColor};
+    --color-primary: ${props => props.theme.colorPrimary};
+    --color-grey: ${props => props.theme.colorGrey};
+    --color-lightGrey: ${props => props.theme.colorLightGrey};
+    --link-color: ${props => props.theme.linkColor}
+  }
+`

alm/src/utils/networks.ts

@@ -0,0 +1,32 @@
+import { formatDistance } from 'date-fns'
+import { TRANSACTION_STATUS_DESCRIPTION } from '../config/descriptions'
+import { FOREIGN_EXPLORER_TX_TEMPLATE, HOME_EXPLORER_TX_TEMPLATE } from '../config/constants'
+
+export const validTxHash = (txHash: string) => /^0x[a-fA-F0-9]{64}$/.test(txHash)
+
+export const formatTxHash = (txHash: string) => `${txHash.substring(0, 6)}...${txHash.substring(txHash.length - 4)}`
+
+export const getExplorerTxUrl = (txHash: string, isHome: boolean) => {
+  const template = isHome ? HOME_EXPLORER_TX_TEMPLATE : FOREIGN_EXPLORER_TX_TEMPLATE
+  return template.replace('%s', txHash)
+}
+
+export const formatTxHashExtended = (txHash: string) =>
+  `${txHash.substring(0, 10)}...${txHash.substring(txHash.length - 8)}`
+
+export const formatTimestamp = (timestamp: number): string => {
+  const txDate = new Date(0).setUTCSeconds(timestamp)
+  return formatDistance(txDate, new Date(), {
+    addSuffix: true
+  })
+}
+
+export const getTransactionStatusDescription = (status: string, timestamp: Maybe<number> = null) => {
+  let description = TRANSACTION_STATUS_DESCRIPTION[status]
+
+  if (timestamp) {
+    description = description.replace('%t', formatTimestamp(timestamp))
+  }
+
+  return description
+}

alm/src/utils/web3.ts

@@ -0,0 +1,36 @@
+import Web3 from 'web3'
+import { TransactionReceipt } from 'web3-eth'
+import { AbiItem } from 'web3-utils'
+import memoize from 'fast-memoize'
+import { HOME_AMB_ABI, FOREIGN_AMB_ABI } from '../../../commons'
+
+const rawGetWeb3 = (url: string) => new Web3(new Web3.providers.HttpProvider(url))
+const memoized = memoize(rawGetWeb3)
+
+export const getWeb3 = (url: string) => memoized(url)
+
+export const filterEventsByAbi = (
+  txReceipt: TransactionReceipt,
+  web3: Web3,
+  bridgeAddress: string,
+  eventAbi: AbiItem
+) => {
+  const eventHash = web3.eth.abi.encodeEventSignature(eventAbi)
+  const events = txReceipt.logs.filter(e => e.address === bridgeAddress && e.topics[0] === eventHash)
+
+  return events.map(e => e.topics[1])
+}
+
+export const getHomeMessagesFromReceipt = (txReceipt: TransactionReceipt, web3: Web3, bridgeAddress: string) => {
+  const UserRequestForSignatureAbi: AbiItem = HOME_AMB_ABI.filter(
+    (e: AbiItem) => e.type === 'event' && e.name === 'UserRequestForSignature'
+  )[0]
+  return filterEventsByAbi(txReceipt, web3, bridgeAddress, UserRequestForSignatureAbi)
+}
+
+export const getForeignMessagesFromReceipt = (txReceipt: TransactionReceipt, web3: Web3, bridgeAddress: string) => {
+  const userRequestForAffirmationAbi: AbiItem = FOREIGN_AMB_ABI.filter(
+    (e: AbiItem) => e.type === 'event' && e.name === 'UserRequestForAffirmation'
+  )[0]
+  return filterEventsByAbi(txReceipt, web3, bridgeAddress, userRequestForAffirmationAbi)
+}

ui/package.json

@@ -14,11 +14,11 @@
     "mobx-react": "^5.0.0",
     "node-sass-chokidar": "^1.0.1",
     "numeral": "^2.0.6",
-    "react": "^16.2.0",
+    "react": "16.13.1",
     "react-app-rewire-mobx": "^1.0.7",
     "react-app-rewired": "^2.0.3",
     "react-copy-to-clipboard": "^5.0.1",
-    "react-dom": "^16.2.0",
+    "react-dom": "16.13.1",
     "react-router": "^4.3.1",
     "react-router-dom": "^4.2.2",
     "react-scripts": "3.0.1",