Merge the develop branch to the master branch, preparation to v3.5.0

This merge contains the following set of changes:
  * [Oracle, Improvement] Helpers for overriding AMB signatures (#640)
  * [Oracle, Improvement] Support manual signatures in erc to native mode (#646)
  * [ALM, Improvement] ALM: Do not show unneeded failed confirmations (#641)
  * [ALM, Improvement] ALM: warning for auto-relayed messages (#644)
  * [ALM, Fix] ALM: reorder warnings

alm/src/components/ConfirmationsContainer.tsx

@@ -54,7 +54,7 @@ export const ConfirmationsContainer = ({
     home: { name: homeName },
     foreign: { name: foreignName }
   } = useStateProvider()
-  const { requiredSignatures, validatorList } = useValidatorContract({ fromHome, receipt })
+  const { requiredSignatures, validatorList } = useValidatorContract(fromHome, receipt ? receipt.blockNumber : 0)
   const { blockConfirmations } = useBlockConfirmations({ fromHome, receipt })
   const {
     confirmations,
@@ -121,7 +121,7 @@ export const ConfirmationsContainer = ({
         />
         {signatureCollected && (
           <ExecutionConfirmation
-            messageData={message.data}
+            message={message}
             executionData={executionData}
             isHome={!fromHome}
             signatureCollected={signatureCollected}

alm/src/components/ExecutionConfirmation.tsx

@@ -10,13 +10,16 @@ import { ExplorerTxLink } from './commons/ExplorerTxLink'
 import { Thead, AgeTd, StatusTd } from './commons/Table'
 import { ManualExecutionButton } from './ManualExecutionButton'
 import { useStateProvider } from '../state/StateProvider'
+import { matchesRule, MessageObject, WarnRule } from '../utils/web3'
+import { WarningAlert } from './commons/WarningAlert'
+import { ErrorAlert } from './commons/ErrorAlert'
 
 const StyledExecutionConfirmation = styled.div`
   margin-top: 30px;
 `
 
 export interface ExecutionConfirmationParams {
-  messageData: string
+  message: MessageObject
   executionData: ExecutionData
   setExecutionData: Function
   signatureCollected: boolean | string[]
@@ -26,7 +29,7 @@ export interface ExecutionConfirmationParams {
 }
 
 export const ExecutionConfirmation = ({
-  messageData,
+  message,
   executionData,
   setExecutionData,
   signatureCollected,
@@ -36,6 +39,8 @@ export const ExecutionConfirmation = ({
 }: ExecutionConfirmationParams) => {
   const { foreign } = useStateProvider()
   const [safeExecutionAvailable, setSafeExecutionAvailable] = useState(false)
+  const [error, setError] = useState('')
+  const [warning, setWarning] = useState('')
   const availableManualExecution =
     !isHome &&
     (executionData.status === VALIDATOR_CONFIRMATION_STATUS.WAITING ||
@@ -67,9 +72,27 @@ export const ExecutionConfirmation = ({
     [availableManualExecution, foreign.bridgeContract]
   )
 
+  useEffect(
+    () => {
+      if (!message.data || !executionData || !availableManualExecution) return
+
+      try {
+        const fileName = 'warnRules'
+        const rules: WarnRule[] = require(`../snapshots/${fileName}.json`)
+        for (let rule of rules) {
+          if (matchesRule(rule, message)) {
+            setWarning(rule.message)
+            return
+          }
+        }
+      } catch (e) {}
+    },
+    [availableManualExecution, executionData, message, message.data, setWarning]
+  )
+
   const getExecutionStatusElement = (validatorStatus = '') => {
     switch (validatorStatus) {
-      case VALIDATOR_CONFIRMATION_STATUS.SUCCESS:
+      case VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS:
         return <SuccessLabel>{validatorStatus}</SuccessLabel>
       case VALIDATOR_CONFIRMATION_STATUS.FAILED:
         return <RedLabel>{validatorStatus}</RedLabel>
@@ -87,6 +110,8 @@ export const ExecutionConfirmation = ({
 
   return (
     <StyledExecutionConfirmation>
+      {error && <ErrorAlert onClick={() => setError('')} error={error} />}
+      {warning && <WarningAlert onClick={() => setWarning('')} error={warning} />}
       <table>
         <Thead>
           <tr>
@@ -125,10 +150,11 @@ export const ExecutionConfirmation = ({
               <td>
                 <ManualExecutionButton
                   safeExecutionAvailable={safeExecutionAvailable}
-                  messageData={messageData}
+                  messageData={message.data}
                   setExecutionData={setExecutionData}
                   signatureCollected={signatureCollected as string[]}
                   setPendingExecution={setPendingExecution}
+                  setError={setError}
                 />
               </td>
             )}

alm/src/components/MainPage.tsx

@@ -8,7 +8,6 @@ import { TransactionReceipt } from 'web3-eth'
 import { InfoAlert } from './commons/InfoAlert'
 import { ExplorerTxLink } from './commons/ExplorerTxLink'
 import { FOREIGN_NETWORK_NAME, HOME_NETWORK_NAME } from '../config/constants'
-import { ErrorAlert } from './commons/ErrorAlert'
 
 const StyledMainPage = styled.div`
   text-align: center;
@@ -52,7 +51,7 @@ export interface FormSubmitParams {
 
 export const MainPage = () => {
   const history = useHistory()
-  const { home, foreign, error, setError } = useStateProvider()
+  const { home, foreign } = useStateProvider()
   const [networkName, setNetworkName] = useState('')
   const [receipt, setReceipt] = useState<Maybe<TransactionReceipt>>(null)
   const [showInfoAlert, setShowInfoAlert] = useState(false)
@@ -132,7 +131,6 @@ export const MainPage = () => {
             </AlertP>
           </InfoAlert>
         )}
-        {error && <ErrorAlert onClick={() => setError('')} error={error} />}
         <Route exact path={['/']} children={<Form onSubmit={onFormSubmit} />} />
         <Route
           path={['/:chainId/:txHash/:messageIdParam', '/:chainId/:txHash']}

alm/src/components/ManualExecutionButton.tsx

@@ -14,6 +14,7 @@ import { useStateProvider } from '../state/StateProvider'
 import { signatureToVRS, packSignatures } from '../utils/signatures'
 import { getSuccessExecutionData } from '../utils/getFinalizationEvent'
 import { TransactionReceipt } from 'web3-eth'
+import { useValidatorContract } from '../hooks/useValidatorContract'
 
 const ActionButton = styled.button`
   color: var(--button-color);
@@ -32,20 +33,90 @@ interface ManualExecutionButtonParams {
   setExecutionData: Function
   signatureCollected: string[]
   setPendingExecution: Function
+  setError: Function
 }
 
 export const ManualExecutionButton = ({
   safeExecutionAvailable,
   messageData,
   setExecutionData,
   signatureCollected,
-  setPendingExecution
+  setPendingExecution,
+  setError
 }: ManualExecutionButtonParams) => {
-  const { foreign, setError } = useStateProvider()
+  const { foreign } = useStateProvider()
   const { library, activate, account, active } = useWeb3React()
   const [manualExecution, setManualExecution] = useState(false)
   const [allowFailures, setAllowFailures] = useState(false)
-  const notReady = !foreign.bridgeContract || !signatureCollected || !signatureCollected.length
+  const [ready, setReady] = useState(false)
+  const [title, setTitle] = useState('Loading')
+  const [validSignatures, setValidSignatures] = useState<string[]>([])
+
+  const { requiredSignatures, validatorList } = useValidatorContract(false, 'latest')
+
+  useEffect(
+    () => {
+      if (
+        !foreign.bridgeContract ||
+        !foreign.web3 ||
+        !signatureCollected ||
+        !signatureCollected.length ||
+        !requiredSignatures ||
+        !validatorList ||
+        !validatorList.length
+      )
+        return
+
+      const signatures = []
+      const remainingValidators = Object.fromEntries(validatorList.map(validator => [validator, true]))
+      for (let i = 0; i < signatureCollected.length && signatures.length < requiredSignatures; i++) {
+        const { v, r, s } = signatureToVRS(signatureCollected[i])
+        const signer = foreign.web3.eth.accounts.recover(messageData, `0x${v}`, `0x${r}`, `0x${s}`)
+        if (validatorList.includes(signer)) {
+          delete remainingValidators[signer]
+          signatures.push(signatureCollected[i])
+        }
+      }
+
+      if (signatures.length < requiredSignatures) {
+        console.log('On-chain collected signatures are not enough for message execution')
+        const manualValidators = Object.keys(remainingValidators)
+        const msgHash = foreign.web3.utils.sha3(messageData)!
+        for (let i = 0; i < manualValidators.length && signatures.length < requiredSignatures; i++) {
+          try {
+            const overrideSignatures: {
+              [key: string]: string
+            } = require(`../snapshots/signatures_${manualValidators[i]}.json`)
+            if (overrideSignatures[msgHash]) {
+              console.log(`Adding manual signature from ${manualValidators[i]}`)
+              signatures.push(overrideSignatures[msgHash])
+            } else {
+              console.log(`No manual signature from ${manualValidators[i]} was found`)
+            }
+          } catch (e) {
+            console.log(`Signatures overrides are not present for ${manualValidators[i]}`)
+          }
+        }
+      }
+
+      if (signatures.length >= requiredSignatures) {
+        setValidSignatures(signatures)
+        setTitle('Execute')
+        setReady(true)
+      } else {
+        setTitle('Unavailable')
+      }
+    },
+    [
+      foreign.bridgeContract,
+      foreign.web3,
+      signatureCollected,
+      validatorList,
+      requiredSignatures,
+      messageData,
+      setValidSignatures
+    ]
+  )
 
   useEffect(
     () => {
@@ -73,9 +144,9 @@ export const ManualExecutionButton = ({
         return
       }
 
-      if (!library || !foreign.bridgeContract || !signatureCollected || !signatureCollected.length) return
+      if (!library || !foreign.bridgeContract || !foreign.web3 || !validSignatures || !validSignatures.length) return
 
-      const signatures = packSignatures(signatureCollected.map(signatureToVRS))
+      const signatures = packSignatures(validSignatures.map(signatureToVRS))
       const messageId = messageData.slice(0, 66)
       const bridge = foreign.bridgeContract
       const executeMethod =
@@ -140,19 +211,20 @@ export const ManualExecutionButton = ({
       foreign.bridgeContract,
       setError,
       messageData,
-      signatureCollected,
       setExecutionData,
       setPendingExecution,
       safeExecutionAvailable,
-      allowFailures
+      allowFailures,
+      foreign.web3,
+      validSignatures
     ]
   )
 
   return (
     <div>
       <div className="is-center">
-        <ActionButton disabled={notReady} className="button outline" onClick={() => setManualExecution(true)}>
-          Execute
+        <ActionButton disabled={!ready} className="button outline" onClick={() => setManualExecution(true)}>
+          {title}
         </ActionButton>
       </div>
       {safeExecutionAvailable && (

alm/src/components/ValidatorsConfirmations.tsx

@@ -94,7 +94,7 @@ export const ValidatorsConfirmations = ({
         </tbody>
       </table>
       <RequiredConfirmations>
-        {requiredSignatures} of {validatorList.length} confirmations required
+        At least <strong>{requiredSignatures}</strong> of <strong>{validatorList.length}</strong> confirmations required
       </RequiredConfirmations>
     </div>
   )

alm/src/components/commons/ErrorAlert.tsx

@@ -33,7 +33,7 @@ export const ErrorAlert = ({ onClick, error }: { onClick: () => void; error: str
   }
   return (
     <div className="row is-center">
-      <StyledErrorAlert className="col-10 is-vertical-align row">
+      <StyledErrorAlert className="col-12 is-vertical-align row">
         <InfoIcon color="var(--failed-color)" />
         <TextContainer className="col-10">
           {text}

alm/src/components/commons/WarningAlert.tsx

@@ -0,0 +1,34 @@
+import React from 'react'
+import styled from 'styled-components'
+import { InfoIcon } from './InfoIcon'
+import { CloseIcon } from './CloseIcon'
+
+const StyledErrorAlert = styled.div`
+  border: 1px solid var(--warning-color);
+  border-radius: 4px;
+  margin-bottom: 20px;
+  padding-top: 10px;
+`
+
+const CloseIconContainer = styled.div`
+  cursor: pointer;
+`
+
+const TextContainer = styled.div`
+  white-space: pre-wrap;
+  flex-direction: column;
+`
+
+export const WarningAlert = ({ onClick, error }: { onClick: () => void; error: string }) => {
+  return (
+    <div className="row is-center">
+      <StyledErrorAlert className="col-12 is-vertical-align row">
+        <InfoIcon color="var(--warning-color)" />
+        <TextContainer className="col-10">{error}</TextContainer>
+        <CloseIconContainer className="col-1 is-vertical-align is-center" onClick={onClick}>
+          <CloseIcon color="var(--warning-color)" />
+        </CloseIconContainer>
+      </StyledErrorAlert>
+    </div>
+  )
+}

alm/src/config/constants.ts

@@ -54,7 +54,8 @@ export const CONFIRMATIONS_STATUS = {
 }
 
 export const VALIDATOR_CONFIRMATION_STATUS = {
-  SUCCESS: 'Success',
+  SUCCESS: 'Confirmed',
+  EXECUTION_SUCCESS: 'Executed',
   FAILED: 'Failed',
   PENDING: 'Pending',
   WAITING: 'Waiting',

alm/src/hooks/useMessageConfirmations.ts

@@ -343,7 +343,10 @@ export const useMessageConfirmations = ({
   // Sets the message status based in the collected information
   useEffect(
     () => {
-      if (executionData.status === VALIDATOR_CONFIRMATION_STATUS.SUCCESS && existsConfirmation(confirmations)) {
+      if (
+        executionData.status === VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS &&
+        existsConfirmation(confirmations)
+      ) {
         const newStatus = executionData.executionResult
           ? CONFIRMATIONS_STATUS.SUCCESS
           : CONFIRMATIONS_STATUS.SUCCESS_MESSAGE_FAILED