Improve contract fetching

Naming convention for oracle (#661 )
Merge the develop branch to the master branch, preparation to v3.7.0
2024-05-08 23:45:31 +00:00 · 2022-10-28 14:07:02 +03:00 · 2022-05-25 14:09:36 +03:00 · 2022-05-25 13:54:47 +03:00 · 2022-04-29 19:13:41 +03:00 · 2022-04-29 16:38:08 +03:00
55 changed files with 2044 additions and 413 deletions
--- a/CONFIGURATION.md
+++ b/CONFIGURATION.md
@ -56,9 +56,11 @@ ORACLE_JSONRPC_ERROR_CODES | Override default JSON rpc error codes that can trig
 ORACLE_HOME_EVENTS_REPROCESSING | If set to `true`, home events happened in the past will be refetched and processed once again, to ensure that nothing was missed on the first pass. | `bool`
 ORACLE_HOME_EVENTS_REPROCESSING_BATCH_SIZE | Batch size for one `eth_getLogs` request when reprocessing old logs in the home chain. Defaults to `1000` | `integer`
 ORACLE_HOME_EVENTS_REPROCESSING_BLOCK_DELAY | Block confirmations number, after which old logs are being reprocessed in the home chain. Defaults to `500` | `integer`
+ORACLE_HOME_RPC_SYNC_STATE_CHECK_INTERVAL | Interval for checking JSON RPC sync state, by requesting the latest block number. Oracle will switch to the fallback JSON RPC in case sync process is stuck | `integer`
 ORACLE_FOREIGN_EVENTS_REPROCESSING  | If set to `true`, foreign events happened in the past will be refetched and processed once again, to ensure that nothing was missed on the first pass. | `bool`
 ORACLE_FOREIGN_EVENTS_REPROCESSING_BATCH_SIZE | Batch size for one `eth_getLogs` request when reprocessing old logs in the foreign chain. Defaults to `500` | `integer`
 ORACLE_FOREIGN_EVENTS_REPROCESSING_BLOCK_DELAY | Block confirmations number, after which old logs are being reprocessed in the foreign chain. Defaults to `250` | `integer`
+ORACLE_FOREIGN_RPC_SYNC_STATE_CHECK_INTERVAL | Interval for checking JSON RPC sync state, by requesting the latest block number. Oracle will switch to the fallback JSON RPC in case sync process is stuck | `integer`


 ## Monitor configuration
--- a/README.md
+++ b/README.md
@ -19,7 +19,7 @@ Sub-repositories maintained within this monorepo are listed below.

 | Sub-repository | Description |
 | --- | --- |
-| [Oracle](oracle/README.md) | Oracle responsible for listening to bridge related events and authorizing asset transfers. |
+| [Oracle](oracle/README.md) | Responsible for listening to bridge related events and authorizing asset transfers. |
 | [Monitor](monitor/README.md) | Tool for checking balances and unprocessed events in bridged networks. |
 | [Deployment](deployment/README.md) | Ansible playbooks for deploying cross-chain bridges. |
 | [Oracle-E2E](oracle-e2e/README.md) | End to end tests for the Oracle |
--- a/alm/src/components/ConfirmationsContainer.tsx
+++ b/alm/src/components/ConfirmationsContainer.tsx
@ -1,9 +1,9 @@
-import React from 'react'
+import React, { useEffect, useState } from 'react'
 import { TransactionReceipt } from 'web3-eth'
 import { useMessageConfirmations } from '../hooks/useMessageConfirmations'
 import { MessageObject } from '../utils/web3'
 import styled from 'styled-components'
-import { CONFIRMATIONS_STATUS } from '../config/constants'
+import { CONFIRMATIONS_STATUS, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
 import { CONFIRMATIONS_STATUS_LABEL, CONFIRMATIONS_STATUS_LABEL_HOME } from '../config/descriptions'
 import { SimpleLoading } from './commons/Loading'
 import { ValidatorsConfirmations } from './ValidatorsConfirmations'
@ -54,7 +54,9 @@ export const ConfirmationsContainer = ({
    home: { name: homeName },
    foreign: { name: foreignName }
  } = useStateProvider()
-  const { requiredSignatures, validatorList } = useValidatorContract({ fromHome, receipt })
+  const src = useValidatorContract(fromHome, receipt ? receipt.blockNumber : 0)
+  const [executionBlockNumber, setExecutionBlockNumber] = useState(0)
+  const dst = useValidatorContract(!fromHome, executionBlockNumber || 'latest')
  const { blockConfirmations } = useBlockConfirmations({ fromHome, receipt })
  const {
    confirmations,
@ -71,11 +73,21 @@ export const ConfirmationsContainer = ({
    fromHome,
    homeStartBlock,
    foreignStartBlock,
-    requiredSignatures,
-    validatorList,
+    requiredSignatures: src.requiredSignatures,
+    validatorList: src.validatorList,
+    targetValidatorList: dst.validatorList,
    blockConfirmations
  })

+  useEffect(
+    () => {
+      if (executionBlockNumber || executionData.status !== VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS) return
+
+      setExecutionBlockNumber(executionData.blockNumber)
+    },
+    [executionData.status, executionBlockNumber, executionData.blockNumber]
+  )
+
  const statusLabel = fromHome ? CONFIRMATIONS_STATUS_LABEL_HOME : CONFIRMATIONS_STATUS_LABEL

  const parseDescription = () => {
@ -114,20 +126,22 @@ export const ConfirmationsContainer = ({
          </MultiLine>
        </StatusDescription>
        <ValidatorsConfirmations
-          confirmations={confirmations}
-          requiredSignatures={requiredSignatures}
-          validatorList={validatorList}
+          confirmations={fromHome ? confirmations.filter(c => dst.validatorList.includes(c.validator)) : confirmations}
+          requiredSignatures={dst.requiredSignatures}
+          validatorList={dst.validatorList}
          waitingBlocksResolved={waitingBlocksResolved}
        />
        {signatureCollected && (
          <ExecutionConfirmation
-            messageData={message.data}
+            message={message}
            executionData={executionData}
            isHome={!fromHome}
-            signatureCollected={signatureCollected}
+            confirmations={confirmations}
            setExecutionData={setExecutionData}
            executionEventsFetched={executionEventsFetched}
            setPendingExecution={setPendingExecution}
+            dstRequiredSignatures={dst.requiredSignatures}
+            dstValidatorList={dst.validatorList}
          />
        )}
      </StyledConfirmationContainer>
--- a/alm/src/components/ExecutionConfirmation.tsx
+++ b/alm/src/components/ExecutionConfirmation.tsx
@ -4,38 +4,47 @@ import { useWindowWidth } from '@react-hook/window-size'
 import { SEARCHING_TX, VALIDATOR_CONFIRMATION_STATUS, ALM_HOME_TO_FOREIGN_MANUAL_EXECUTION } from '../config/constants'
 import { SimpleLoading } from './commons/Loading'
 import styled from 'styled-components'
-import { ExecutionData } from '../hooks/useMessageConfirmations'
+import { ConfirmationParam, ExecutionData } from '../hooks/useMessageConfirmations'
 import { GreyLabel, RedLabel, SuccessLabel } from './commons/Labels'
 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[]
+  confirmations: ConfirmationParam[]
  isHome: boolean
  executionEventsFetched: boolean
  setPendingExecution: Function
+  dstRequiredSignatures: number
+  dstValidatorList: string[]
 }

 export const ExecutionConfirmation = ({
-  messageData,
+  message,
  executionData,
  setExecutionData,
-  signatureCollected,
+  confirmations,
  isHome,
  executionEventsFetched,
-  setPendingExecution
+  setPendingExecution,
+  dstRequiredSignatures,
+  dstValidatorList
 }: 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 +76,27 @@ 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 +114,8 @@ export const ExecutionConfirmation = ({

  return (
    <StyledExecutionConfirmation>
+      {error && <ErrorAlert onClick={() => setError('')} error={error} />}
+      {warning && <WarningAlert onClick={() => setWarning('')} error={warning} />}
      <table>
        <Thead>
          <tr>
@ -125,10 +154,13 @@ export const ExecutionConfirmation = ({
              <td>
                <ManualExecutionButton
                  safeExecutionAvailable={safeExecutionAvailable}
-                  messageData={messageData}
+                  messageData={message.data}
                  setExecutionData={setExecutionData}
-                  signatureCollected={signatureCollected as string[]}
+                  confirmations={confirmations}
                  setPendingExecution={setPendingExecution}
+                  setError={setError}
+                  requiredSignatures={dstRequiredSignatures}
+                  validatorList={dstValidatorList}
                />
              </td>
            )}
--- a/alm/src/components/MainPage.tsx
+++ b/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']}
--- a/alm/src/components/ManualExecutionButton.tsx
+++ b/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 { ConfirmationParam } from '../hooks/useMessageConfirmations'

 const ActionButton = styled.button`
  color: var(--button-color);
@ -30,22 +31,75 @@ interface ManualExecutionButtonParams {
  safeExecutionAvailable: boolean
  messageData: string
  setExecutionData: Function
-  signatureCollected: string[]
+  confirmations: ConfirmationParam[]
  setPendingExecution: Function
+  setError: Function
+  requiredSignatures: number
+  validatorList: string[]
 }

 export const ManualExecutionButton = ({
  safeExecutionAvailable,
  messageData,
  setExecutionData,
-  signatureCollected,
-  setPendingExecution
+  confirmations,
+  setPendingExecution,
+  setError,
+  requiredSignatures,
+  validatorList
 }: 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[]>([])
+
+  useEffect(
+    () => {
+      if (
+        !foreign.bridgeContract ||
+        !foreign.web3 ||
+        !confirmations ||
+        !confirmations.length ||
+        !requiredSignatures ||
+        !validatorList ||
+        !validatorList.length
+      )
+        return
+
+      const signatures = []
+      for (let i = 0; i < confirmations.length && signatures.length < requiredSignatures; i++) {
+        const sig = confirmations[i].signature
+        if (!sig) {
+          continue
+        }
+        const { v, r, s } = signatureToVRS(sig)
+        const signer = foreign.web3.eth.accounts.recover(messageData, `0x${v}`, `0x${r}`, `0x${s}`)
+        if (validatorList.includes(signer)) {
+          signatures.push(sig)
+        }
+      }
+
+      if (signatures.length >= requiredSignatures) {
+        setValidSignatures(signatures.slice(0, requiredSignatures))
+        setTitle('Execute')
+        setReady(true)
+      } else {
+        setTitle('Unavailable')
+      }
+    },
+    [
+      foreign.bridgeContract,
+      foreign.web3,
+      validatorList,
+      requiredSignatures,
+      messageData,
+      setValidSignatures,
+      confirmations
+    ]
+  )

  useEffect(
    () => {
@ -73,9 +127,9 @@ 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 +194,20 @@ 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 && (
--- a/alm/src/components/ValidatorsConfirmations.tsx
+++ b/alm/src/components/ValidatorsConfirmations.tsx
@ -1,7 +1,7 @@
 import React from 'react'
 import { formatTimestamp, formatTxHash, getExplorerTxUrl } from '../utils/networks'
 import { useWindowWidth } from '@react-hook/window-size'
-import { SEARCHING_TX, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
+import { RECENT_AGE, SEARCHING_TX, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
 import { SimpleLoading } from './commons/Loading'
 import styled from 'styled-components'
 import { ConfirmationParam } from '../hooks/useMessageConfirmations'
@ -31,7 +31,9 @@ export const ValidatorsConfirmations = ({
  const getValidatorStatusElement = (validatorStatus = '') => {
    switch (validatorStatus) {
      case VALIDATOR_CONFIRMATION_STATUS.SUCCESS:
-        return <SuccessLabel>{validatorStatus}</SuccessLabel>
+      case VALIDATOR_CONFIRMATION_STATUS.MANUAL:
+      case VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID:
+        return <SuccessLabel>{VALIDATOR_CONFIRMATION_STATUS.SUCCESS}</SuccessLabel>
      case VALIDATOR_CONFIRMATION_STATUS.FAILED:
        return <RedLabel>{validatorStatus}</RedLabel>
      case VALIDATOR_CONFIRMATION_STATUS.PENDING:
@ -58,26 +60,28 @@ export const ValidatorsConfirmations = ({
          </tr>
        </Thead>
        <tbody>
-          {validatorList.map((validator, i) => {
-            const filteredConfirmation = confirmations.filter(c => c.validator === validator)
-            const confirmation = filteredConfirmation.length > 0 ? filteredConfirmation[0] : null
-            const displayedStatus = confirmation && confirmation.status ? confirmation.status : ''
-            const explorerLink = confirmation && confirmation.txHash ? getExplorerTxUrl(confirmation.txHash, true) : ''
-            const elementIfNoTimestamp =
-              displayedStatus !== VALIDATOR_CONFIRMATION_STATUS.WAITING &&
-              displayedStatus !== VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED ? (
-                (displayedStatus === VALIDATOR_CONFIRMATION_STATUS.UNDEFINED || displayedStatus === '') &&
-                waitingBlocksResolved ? (
-                  SEARCHING_TX
-                ) : (
-                  <SimpleLoading />
-                )
-              ) : (
-                ''
-              )
+          {confirmations.map((confirmation, i) => {
+            const displayedStatus = confirmation.status
+            const explorerLink = getExplorerTxUrl(confirmation.txHash, true)
+            let elementIfNoTimestamp: any = <SimpleLoading />
+            switch (displayedStatus) {
+              case '':
+              case VALIDATOR_CONFIRMATION_STATUS.UNDEFINED:
+                if (waitingBlocksResolved) {
+                  elementIfNoTimestamp = SEARCHING_TX
+                }
+                break
+              case VALIDATOR_CONFIRMATION_STATUS.WAITING:
+              case VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED:
+                elementIfNoTimestamp = ''
+                break
+              case VALIDATOR_CONFIRMATION_STATUS.MANUAL:
+                elementIfNoTimestamp = RECENT_AGE
+                break
+            }
            return (
              <tr key={i}>
-                <td>{windowWidth < 850 ? formatTxHash(validator) : validator}</td>
+                <td>{windowWidth < 850 ? formatTxHash(confirmation.validator) : confirmation.validator}</td>
                <StatusTd className="text-center">{getValidatorStatusElement(displayedStatus)}</StatusTd>
                <AgeTd className="text-center">
                  {confirmation && confirmation.timestamp > 0 ? (
@ -94,7 +98,7 @@ 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>
  )
--- a/alm/src/components/commons/ErrorAlert.tsx
+++ b/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}
--- a/alm/src/components/commons/WarningAlert.tsx
+++ b/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>
+  )
+}
--- a/alm/src/config/constants.ts
+++ b/alm/src/config/constants.ts
@ -54,14 +54,19 @@ export const CONFIRMATIONS_STATUS = {
 }

 export const VALIDATOR_CONFIRMATION_STATUS = {
-  SUCCESS: 'Success',
+  SUCCESS: 'Confirmed',
+  MANUAL: 'Manual',
+  EXECUTION_SUCCESS: 'Executed',
  FAILED: 'Failed',
+  FAILED_VALID: 'Failed valid',
  PENDING: 'Pending',
  WAITING: 'Waiting',
  NOT_REQUIRED: 'Not required',
  UNDEFINED: 'UNDEFINED'
 }

+export const RECENT_AGE = 'Recent'
+
 export const SEARCHING_TX = 'Searching Transaction...'

 export const INCORRECT_CHAIN_ERROR = `Incorrect chain chosen. Switch to ${FOREIGN_NETWORK_NAME} in the wallet.`
--- a/alm/src/hooks/useMessageConfirmations.ts
+++ b/alm/src/hooks/useMessageConfirmations.ts
@ -29,17 +29,16 @@ export interface useMessageConfirmationsParams {
  foreignStartBlock: Maybe<number>
  requiredSignatures: number
  validatorList: string[]
+  targetValidatorList: string[]
  blockConfirmations: number
 }

-export interface BasicConfirmationParam {
+export interface ConfirmationParam {
  validator: string
  status: string
-}
-
-export interface ConfirmationParam extends BasicConfirmationParam {
  txHash: string
  timestamp: number
+  signature?: string
 }

 export interface ExecutionData {
@ -48,6 +47,7 @@ export interface ExecutionData {
  txHash: string
  timestamp: number
  executionResult: boolean
+  blockNumber: number
 }

 export const useMessageConfirmations = ({
@ -58,6 +58,7 @@ export const useMessageConfirmations = ({
  foreignStartBlock,
  requiredSignatures,
  validatorList,
+  targetValidatorList,
  blockConfirmations
 }: useMessageConfirmationsParams) => {
  const { home, foreign } = useStateProvider()
@ -65,7 +66,7 @@ export const useMessageConfirmations = ({
  const [status, setStatus] = useState(CONFIRMATIONS_STATUS.UNDEFINED)
  const [waitingBlocks, setWaitingBlocks] = useState(false)
  const [waitingBlocksResolved, setWaitingBlocksResolved] = useState(false)
-  const [signatureCollected, setSignatureCollected] = useState<boolean | string[]>(false)
+  const [signatureCollected, setSignatureCollected] = useState(false)
  const [executionEventsFetched, setExecutionEventsFetched] = useState(false)
  const [collectedSignaturesEvent, setCollectedSignaturesEvent] = useState<Maybe<EventData>>(null)
  const [executionData, setExecutionData] = useState<ExecutionData>({
@ -73,7 +74,8 @@ export const useMessageConfirmations = ({
    validator: '',
    txHash: '',
    timestamp: 0,
-    executionResult: false
+    executionResult: false,
+    blockNumber: 0
  })
  const [waitingBlocksForExecution, setWaitingBlocksForExecution] = useState(false)
  const [waitingBlocksForExecutionResolved, setWaitingBlocksForExecutionResolved] = useState(false)
@ -140,10 +142,9 @@ export const useMessageConfirmations = ({
  // The collected signature event is only fetched once the signatures are collected on tx from home to foreign, to calculate if
  // the execution tx on the foreign network is waiting for block confirmations
  // This is executed if the message is in Home to Foreign direction only
-  const hasCollectedSignatures = !!signatureCollected // true or string[]
  useEffect(
    () => {
-      if (!fromHome || !receipt || !home.web3 || !home.bridgeContract || !hasCollectedSignatures) return
+      if (!fromHome || !receipt || !home.web3 || !home.bridgeContract || !signatureCollected) return

      let timeoutId: number
      let isCancelled = false
@ -179,7 +180,7 @@ export const useMessageConfirmations = ({
        isCancelled = true
      }
    },
-    [fromHome, home.bridgeContract, home.web3, message.data, receipt, hasCollectedSignatures]
+    [fromHome, home.bridgeContract, home.web3, message.data, receipt, signatureCollected]
  )

  // Check if the responsible validator is waiting for block confirmations to execute the message on foreign network
@ -252,6 +253,35 @@ export const useMessageConfirmations = ({
      let timeoutId: number
      let isCancelled = false

+      if (fromHome) {
+        if (!targetValidatorList || !targetValidatorList.length) return
+        const msgHash = home.web3.utils.sha3(message.data)!
+        const allValidators = [...validatorList, ...targetValidatorList].filter((v, i, s) => s.indexOf(v) === i)
+        const manualConfirmations = []
+        for (let i = 0; i < allValidators.length; i++) {
+          try {
+            const overrideSignatures: {
+              [key: string]: string
+            } = require(`../snapshots/signatures_${allValidators[i]}.json`)
+            if (overrideSignatures[msgHash]) {
+              console.log(`Adding manual signature from ${allValidators[i]}`)
+              manualConfirmations.push({
+                status: VALIDATOR_CONFIRMATION_STATUS.MANUAL,
+                validator: allValidators[i],
+                timestamp: 0,
+                txHash: '',
+                signature: overrideSignatures[msgHash]
+              })
+            } else {
+              console.log(`No manual signature from ${allValidators[i]} was found`)
+            }
+          } catch (e) {
+            console.log(`Signatures overrides are not present for ${allValidators[i]}`)
+          }
+        }
+        setConfirmations(manualConfirmations)
+      }
+
      getConfirmationsForTx(
        message.data,
        home.web3,
@ -284,7 +314,8 @@ export const useMessageConfirmations = ({
      home.bridgeContract,
      requiredSignatures,
      waitingBlocksResolved,
-      homeStartBlock
+      homeStartBlock,
+      targetValidatorList
    ]
  )

@ -343,7 +374,10 @@ 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
--- a/alm/src/hooks/useValidatorContract.ts
+++ b/alm/src/hooks/useValidatorContract.ts
@ -4,19 +4,13 @@ import Web3 from 'web3'
 import { getRequiredSignatures, getValidatorAddress, getValidatorList } from '../utils/contract'
 import { BRIDGE_VALIDATORS_ABI } from '../abis'
 import { useStateProvider } from '../state/StateProvider'
-import { TransactionReceipt } from 'web3-eth'
 import { foreignSnapshotProvider, homeSnapshotProvider, SnapshotProvider } from '../services/SnapshotProvider'
 import { FOREIGN_EXPLORER_API, HOME_EXPLORER_API } from '../config/constants'

-export interface useValidatorContractParams {
-  fromHome: boolean
-  receipt: Maybe<TransactionReceipt>
-}
-
-export const useValidatorContract = ({ receipt, fromHome }: useValidatorContractParams) => {
+export const useValidatorContract = (isHome: boolean, blockNumber: number | 'latest') => {
  const [validatorContract, setValidatorContract] = useState<Maybe<Contract>>(null)
  const [requiredSignatures, setRequiredSignatures] = useState(0)
-  const [validatorList, setValidatorList] = useState([])
+  const [validatorList, setValidatorList] = useState<string[]>([])

  const { home, foreign } = useStateProvider()

@ -29,34 +23,34 @@ export const useValidatorContract = ({ receipt, fromHome }: useValidatorContract

  const callRequiredSignatures = async (
    contract: Maybe<Contract>,
-    receipt: TransactionReceipt,
+    blockNumber: number | 'latest',
    setResult: Function,
    snapshotProvider: SnapshotProvider,
    web3: Web3,
    api: string
  ) => {
    if (!contract) return
-    const result = await getRequiredSignatures(contract, receipt.blockNumber, snapshotProvider, web3, api)
+    const result = await getRequiredSignatures(contract, blockNumber, snapshotProvider, web3, api)
    setResult(result)
  }

  const callValidatorList = async (
    contract: Maybe<Contract>,
-    receipt: TransactionReceipt,
+    blockNumber: number | 'latest',
    setResult: Function,
    snapshotProvider: SnapshotProvider,
    web3: Web3,
    api: string
  ) => {
    if (!contract) return
-    const result = await getValidatorList(contract, receipt.blockNumber, snapshotProvider, web3, api)
+    const result = await getValidatorList(contract, blockNumber, snapshotProvider, web3, api)
    setResult(result)
  }

-  const web3 = fromHome ? home.web3 : foreign.web3
-  const api = fromHome ? HOME_EXPLORER_API : FOREIGN_EXPLORER_API
-  const bridgeContract = fromHome ? home.bridgeContract : foreign.bridgeContract
-  const snapshotProvider = fromHome ? homeSnapshotProvider : foreignSnapshotProvider
+  const web3 = isHome ? home.web3 : foreign.web3
+  const api = isHome ? HOME_EXPLORER_API : FOREIGN_EXPLORER_API
+  const bridgeContract = isHome ? home.bridgeContract : foreign.bridgeContract
+  const snapshotProvider = isHome ? homeSnapshotProvider : foreignSnapshotProvider

  useEffect(
    () => {
@ -68,11 +62,11 @@ export const useValidatorContract = ({ receipt, fromHome }: useValidatorContract

  useEffect(
    () => {
-      if (!web3 || !receipt) return
-      callRequiredSignatures(validatorContract, receipt, setRequiredSignatures, snapshotProvider, web3, api)
-      callValidatorList(validatorContract, receipt, setValidatorList, snapshotProvider, web3, api)
+      if (!web3 || !blockNumber) return
+      callRequiredSignatures(validatorContract, blockNumber, setRequiredSignatures, snapshotProvider, web3, api)
+      callValidatorList(validatorContract, blockNumber, setValidatorList, snapshotProvider, web3, api)
    },
-    [validatorContract, receipt, web3, snapshotProvider, api]
+    [validatorContract, blockNumber, web3, snapshotProvider, api]
  )

  return {
--- a/alm/src/state/StateProvider.tsx
+++ b/alm/src/state/StateProvider.tsx
@ -1,4 +1,4 @@
-import React, { createContext, ReactNode, useState } from 'react'
+import React, { createContext, ReactNode } from 'react'
 import { useNetwork } from '../hooks/useNetwork'
 import {
  HOME_RPC_URL,
@ -25,8 +25,6 @@ export interface StateContext {
  home: BaseNetworkParams
  foreign: BaseNetworkParams
  loading: boolean
-  error: string
-  setError: Function
 }

 const initialState = {
@ -44,9 +42,7 @@ const initialState = {
    bridgeAddress: FOREIGN_BRIDGE_ADDRESS,
    bridgeContract: null
  },
-  loading: true,
-  error: '',
-  setError: () => {}
+  loading: true
 }

 const StateContext = createContext<StateContext>(initialState)
@ -58,7 +54,6 @@ export const StateProvider = ({ children }: { children: ReactNode }) => {
    homeWeb3: homeNetwork.web3,
    foreignWeb3: foreignNetwork.web3
  })
-  const [error, setError] = useState('')

  const value = {
    home: {
@ -73,9 +68,7 @@ export const StateProvider = ({ children }: { children: ReactNode }) => {
      bridgeContract: foreignBridge,
      ...foreignNetwork
    },
-    loading: homeNetwork.loading || foreignNetwork.loading,
-    error,
-    setError
+    loading: homeNetwork.loading || foreignNetwork.loading
  }

  return <StateContext.Provider value={value}>{children}</StateContext.Provider>
--- a/alm/src/themes/GlobalStyle.tsx
+++ b/alm/src/themes/GlobalStyle.tsx
@ -28,5 +28,7 @@ export const GlobalStyle = createGlobalStyle<{ theme: ThemeType }>`
    --not-required-bg-color: ${props => props.theme.notRequired.backgroundColor};
    --failed-color: ${props => props.theme.failed.textColor};
    --failed-bg-color: ${props => props.theme.failed.backgroundColor};
+    --warning-color: ${props => props.theme.warning.textColor};
+    --warning-bg-color: ${props => props.theme.warning.backgroundColor};
  }
 `
--- a/alm/src/themes/Light.ts
+++ b/alm/src/themes/Light.ts
@ -17,6 +17,10 @@ const theme = {
  failed: {
    textColor: '#de4437',
    backgroundColor: 'rgba(222,68,55,.1)'
+  },
+  warning: {
+    textColor: '#ffa758',
+    backgroundColor: 'rgba(222,68,55,.1)'
  }
 }
 export default theme
--- a/alm/src/utils/tests/explorer.test.ts
+++ b/alm/src/utils/tests/explorer.test.ts
@ -14,37 +14,40 @@ const messageData = '0x123456'
 const OTHER_HASH = 'aabbccdd'
 const bridgeAddress = '0xFe446bEF1DbF7AFE24E81e05BC8B271C1BA9a560'
 const otherAddress = '0xD4075FB57fCf038bFc702c915Ef9592534bED5c1'
+const validator1 = '0x45b96809336A8b714BFbdAB3E4B5e0fe5d839908'
+const validator2 = '0xAe8bFfc8BBc6AAa9E21ED1E4e4957fe798BEA25f'
+const validator3 = '0x285A6eB779be4db94dA65e2F3518B1c5F0f71244'

 describe('getFailedTransactions', () => {
  test('should only return failed transactions', async () => {
    const to = otherAddress
    const transactions = [
-      { isError: '0', to },
-      { isError: '1', to },
-      { isError: '0', to },
-      { isError: '1', to },
-      { isError: '1', to }
+      { isError: '0', to, from: validator1 },
+      { isError: '1', to, from: validator1 },
+      { isError: '0', to, from: validator2 },
+      { isError: '1', to, from: validator2 },
+      { isError: '1', to, from: validator3 }
    ]

    const fetchAccountTransactions = jest.fn().mockImplementation(() => transactions)
-    const result = await getFailedTransactions('', to, 0, 1, '', fetchAccountTransactions)
-    expect(result.length).toEqual(3)
+    const result = await getFailedTransactions(validator1, to, 0, 1, '', fetchAccountTransactions)
+    expect(result.length).toEqual(1)
  })
 })
 describe('getSuccessTransactions', () => {
  test('should only return success transactions', async () => {
    const to = otherAddress
    const transactions = [
-      { isError: '0', to },
-      { isError: '1', to },
-      { isError: '0', to },
-      { isError: '1', to },
-      { isError: '1', to }
+      { isError: '0', to, from: validator1 },
+      { isError: '1', to, from: validator1 },
+      { isError: '0', to, from: validator2 },
+      { isError: '1', to, from: validator2 },
+      { isError: '1', to, from: validator3 }
    ]

    const fetchAccountTransactions = jest.fn().mockImplementation(() => transactions)
-    const result = await getSuccessTransactions('', to, 0, 1, '', fetchAccountTransactions)
-    expect(result.length).toEqual(2)
+    const result = await getSuccessTransactions(validator1, to, 0, 1, '', fetchAccountTransactions)
+    expect(result.length).toEqual(1)
  })
 })
 describe('filterValidatorSignatureTransaction', () => {
--- a/alm/src/utils/tests/getConfirmationsForTx.test.ts
+++ b/alm/src/utils/tests/getConfirmationsForTx.test.ts
@ -5,7 +5,7 @@ import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'
 import { APIPendingTransaction, APITransaction } from '../explorer'
 import { VALIDATOR_CONFIRMATION_STATUS } from '../../config/constants'
-import { BasicConfirmationParam } from '../../hooks/useMessageConfirmations'
+import { ConfirmationParam } from '../../hooks/useMessageConfirmations'

 jest.mock('../validatorConfirmationHelpers')

@ -18,6 +18,9 @@ const messageData = '0x111111111'
 const web3 = {
  utils: {
    soliditySha3Raw: (data: string) => `0xaaaa${data.replace('0x', '')}`
+  },
+  eth: {
+    accounts: new Web3().eth.accounts
  }
 } as Web3
 const validator1 = '0x45b96809336A8b714BFbdAB3E4B5e0fe5d839908'
@ -25,7 +28,7 @@ const validator2 = '0xAe8bFfc8BBc6AAa9E21ED1E4e4957fe798BEA25f'
 const validator3 = '0x285A6eB779be4db94dA65e2F3518B1c5F0f71244'
 const validatorList = [validator1, validator2, validator3]
 const signature =
-  '0x519d704bceed17423daa79c20531cc34fc27a4be6e53fc5069a8023019188ca4519d704bceed17423daa79c20531cc34fc27a4be6e53fc5069a8023019188ca4'
+  '0x6f5b74905669999f1abdb52e1e215506907e1849aac7b31854da458b33a5954e15b165007c3703cfd16e61ca46a96a56727ed11fa47be359d3834515accd016e1b'
 const bridgeContract = {
  methods: {
    signature: () => ({
@ -61,19 +64,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator !== validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -110,9 +113,8 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(2)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(2)
+    expect(setSignatureCollected).toBeCalledTimes(1)
    expect(setSignatureCollected.mock.calls[0][0]).toEqual(true)
-    expect(setSignatureCollected.mock.calls[1][0]).toEqual([signature, signature])

    expect(getValidatorFailedTransaction).toBeCalledTimes(1)
    expect(setFailedConfirmations).toBeCalledTimes(1)
@ -135,7 +137,7 @@ describe('getConfirmationsForTx', () => {
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED, txHash: '', timestamp: 0 }
      ])
    )
  })
@ -144,19 +146,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -208,19 +210,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator !== validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator !== validator3 ? '0x123' : '',
      timestamp: validatorData.validator !== validator3 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -257,9 +259,8 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(3)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(2)
+    expect(setSignatureCollected).toBeCalledTimes(1)
    expect(setSignatureCollected.mock.calls[0][0]).toEqual(true)
-    expect(setSignatureCollected.mock.calls[1][0]).toEqual([signature, signature])

    expect(getValidatorFailedTransaction).toBeCalledTimes(1)
    expect(setFailedConfirmations).toBeCalledTimes(1)
@ -281,16 +282,16 @@ describe('getConfirmationsForTx', () => {
    )
    expect(res2).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res3).toEqual(
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED, txHash: '', timestamp: 0 }
      ])
    )
  })
@ -304,22 +305,22 @@ describe('getConfirmationsForTx', () => {
          ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator !== validator3 && validatorData.validator !== validator4 ? '0x123' : '',
      timestamp: validatorData.validator !== validator3 && validatorData.validator !== validator4 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator === validator3
-          ? VALIDATOR_CONFIRMATION_STATUS.FAILED
+          ? VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: validatorData.validator === validator3 ? '0x123' : '',
      timestamp: validatorData.validator === validator3 ? 123 : 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -356,9 +357,8 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(4)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(2)
+    expect(setSignatureCollected).toBeCalledTimes(1)
    expect(setSignatureCollected.mock.calls[0][0]).toEqual(true)
-    expect(setSignatureCollected.mock.calls[1][0]).toEqual([signature, signature])

    expect(getValidatorFailedTransaction).toBeCalledTimes(1)
    expect(setFailedConfirmations).toBeCalledTimes(1)
@ -382,26 +382,26 @@ describe('getConfirmationsForTx', () => {
    )
    expect(res2).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res3).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID, txHash: '0x123', timestamp: 123 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res4).toEqual(
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID, txHash: '0x123', timestamp: 123 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED, txHash: '', timestamp: 0 }
      ])
    )
  })
@ -414,22 +414,22 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator1 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator === validator1 ? '0x123' : '',
      timestamp: validatorData.validator === validator1 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator === validator2
-          ? VALIDATOR_CONFIRMATION_STATUS.FAILED
+          ? VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: validatorData.validator === validator2 ? '0x123' : '',
      timestamp: validatorData.validator === validator2 ? 123 : 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator === validator3
@ -492,22 +492,22 @@ describe('getConfirmationsForTx', () => {
    )
    expect(res2).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res3).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
      ])
    )
    expect(res4).toEqual(
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID, txHash: '0x123', timestamp: 123 },
        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
      ])
    )
@ -521,13 +521,13 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator1 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator === validator1 ? '0x123' : '',
      timestamp: validatorData.validator === validator1 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator !== validator1
@ -536,7 +536,7 @@ describe('getConfirmationsForTx', () => {
      txHash: validatorData.validator !== validator1 ? '0x123' : '',
      timestamp: validatorData.validator !== validator1 ? 123 : 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -596,9 +596,9 @@ describe('getConfirmationsForTx', () => {
    )
    expect(res2).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res3).toEqual(
@ -610,9 +610,13 @@ describe('getConfirmationsForTx', () => {
    )
  })
  test('should remove pending state after transaction mined', async () => {
-    // Validator1 success
-    // Validator2 failed
-    // Validator3 Pending
+    const validator4 = '0x9d2dC11C342F4eF3C5491A048D0f0eBCd2D8f7C3'
+    const validatorList = [validator1, validator2, validator3, validator4]
+
+    // Validator1 success (ts=100)
+    // Validator2 failed (ts=200)
+    // Validator3 Pending (ts=300)
+    // Validator4 Excess confirmation (Failed) (ts=400)

    getValidatorConfirmation
      .mockImplementationOnce(() => async (validator: string) => ({
@ -623,41 +627,57 @@ describe('getConfirmationsForTx', () => {
      .mockImplementation(() => async (validator: string) => ({
        validator,
        status:
-          validator !== validator2 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
+          validator === validator1 || validator === validator3
+            ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS
+            : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
      }))
    getSuccessExecutionTransaction
-      .mockImplementationOnce(() => async (validatorData: BasicConfirmationParam) => ({
+      .mockImplementationOnce(() => async (validatorData: ConfirmationParam) => ({
        validator: validatorData.validator,
        status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
-        txHash: validatorData.validator === validator1 ? '0x123' : '',
-        timestamp: validatorData.validator === validator1 ? 123 : 0
+        txHash: validatorData.validator === validator1 ? '0x100' : '',
+        timestamp: validatorData.validator === validator1 ? 100 : 0
      }))
-      .mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
+      .mockImplementation(() => async (validatorData: ConfirmationParam) => ({
        validator: validatorData.validator,
        status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
-        txHash: validatorData.validator !== validator2 ? '0x123' : '',
-        timestamp: validatorData.validator !== validator2 ? 123 : 0
+        txHash:
+          validatorData.validator === validator1 ? '0x100' : validatorData.validator === validator3 ? '0x300' : '',
+        timestamp: validatorData.validator === validator1 ? 100 : validatorData.validator === validator3 ? 300 : ''
+      }))
+    getValidatorFailedTransaction
+      .mockImplementationOnce(() => async (validatorData: ConfirmationParam) => ({
+        validator: validatorData.validator,
+        status:
+          validatorData.validator === validator2
+            ? VALIDATOR_CONFIRMATION_STATUS.FAILED
+            : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
+        txHash: validatorData.validator === validator2 ? '0x200' : '',
+        timestamp: validatorData.validator === validator2 ? 200 : 0
+      }))
+      .mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+        validator: validatorData.validator,
+        status:
+          validatorData.validator === validator2 || validatorData.validator === validator4
+            ? validatorData.validator === validator2
+              ? VALIDATOR_CONFIRMATION_STATUS.FAILED
+              : VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+            : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
+        txHash:
+          validatorData.validator === validator2 ? '0x200' : validatorData.validator === validator4 ? '0x400' : '',
+        timestamp: validatorData.validator === validator2 ? 200 : validatorData.validator === validator4 ? 400 : ''
      }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
-      validator: validatorData.validator,
-      status:
-        validatorData.validator === validator2
-          ? VALIDATOR_CONFIRMATION_STATUS.FAILED
-          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
-      txHash: validatorData.validator === validator2 ? '0x123' : '',
-      timestamp: validatorData.validator === validator2 ? 123 : 0
-    }))
    getValidatorPendingTransaction
-      .mockImplementationOnce(() => async (validatorData: BasicConfirmationParam) => ({
+      .mockImplementationOnce(() => async (validatorData: ConfirmationParam) => ({
        validator: validatorData.validator,
        status:
          validatorData.validator === validator3
            ? VALIDATOR_CONFIRMATION_STATUS.PENDING
            : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
-        txHash: validatorData.validator === validator3 ? '0x123' : '',
-        timestamp: validatorData.validator === validator3 ? 123 : 0
+        txHash: validatorData.validator === validator3 ? '0x300' : '',
+        timestamp: validatorData.validator === validator3 ? 300 : 0
      }))
-      .mockImplementationOnce(() => async (validatorData: BasicConfirmationParam) => ({
+      .mockImplementationOnce(() => async (validatorData: ConfirmationParam) => ({
        validator: validatorData.validator,
        status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
        txHash: '',
@ -698,7 +718,7 @@ describe('getConfirmationsForTx', () => {

    expect(getValidatorFailedTransaction).toBeCalledTimes(1)
    expect(setFailedConfirmations).toBeCalledTimes(1)
-    expect(setFailedConfirmations.mock.calls[0][0]).toEqual(false)
+    expect(setFailedConfirmations.mock.calls[0][0]).toEqual(true)

    expect(getValidatorPendingTransaction).toBeCalledTimes(1)
    expect(setPendingConfirmations).toBeCalledTimes(1)
@ -712,28 +732,32 @@ describe('getConfirmationsForTx', () => {
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res2).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res3).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x300', timestamp: 300 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res4).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x123', timestamp: 123 }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x200', timestamp: 200 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.PENDING, txHash: '0x300', timestamp: 300 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )

@ -761,14 +785,13 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(7)
    expect(getValidatorConfirmation).toBeCalledTimes(2)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(2)
-    expect(setSignatureCollected).toBeCalledTimes(3)
+    expect(setSignatureCollected).toBeCalledTimes(2)
    expect(setSignatureCollected.mock.calls[0][0]).toEqual(false)
    expect(setSignatureCollected.mock.calls[1][0]).toEqual(true)
-    expect(setSignatureCollected.mock.calls[2][0]).toEqual([signature, signature])

    expect(getValidatorFailedTransaction).toBeCalledTimes(2)
    expect(setFailedConfirmations).toBeCalledTimes(2)
-    expect(setFailedConfirmations.mock.calls[0][0]).toEqual(false)
+    expect(setFailedConfirmations.mock.calls[0][0]).toEqual(true)
    expect(setFailedConfirmations.mock.calls[1][0]).toEqual(false)

    expect(getValidatorPendingTransaction).toBeCalledTimes(1)
@ -781,23 +804,26 @@ describe('getConfirmationsForTx', () => {
    const res7 = setResult.mock.calls[6][0](res6)
    expect(res5).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x200', timestamp: 200 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x300', timestamp: 300 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res6).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x200', timestamp: 200 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x300', timestamp: 300 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
      ])
    )
    expect(res7).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x100', timestamp: 100 },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x200', timestamp: 200 },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x300', timestamp: 300 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID, txHash: '0x400', timestamp: 400 }
      ])
    )
  })
--- a/alm/src/utils/tests/getFinalizationEvent.test.ts
+++ b/alm/src/utils/tests/getFinalizationEvent.test.ts
@ -84,10 +84,11 @@ describe('getFinalizationEvent', () => {
    expect(setResult).toBeCalledTimes(1)
    expect(setResult.mock.calls[0][0]).toEqual({
      validator: validator1,
-      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
+      status: VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS,
      txHash,
      timestamp,
-      executionResult: true
+      executionResult: true,
+      blockNumber: 5523145
    })

    expect(getFailedExecution).toBeCalledTimes(0)
@ -237,7 +238,8 @@ describe('getFinalizationEvent', () => {
      status: VALIDATOR_CONFIRMATION_STATUS.PENDING,
      txHash,
      timestamp: expect.any(Number),
-      executionResult: false
+      executionResult: false,
+      blockNumber: 0
    })

    expect(getFailedExecution).toBeCalledTimes(0)
@ -294,7 +296,8 @@ describe('getFinalizationEvent', () => {
      status: VALIDATOR_CONFIRMATION_STATUS.FAILED,
      txHash,
      timestamp: expect.any(Number),
-      executionResult: false
+      executionResult: false,
+      blockNumber: expect.any(Number)
    })

    expect(getFailedExecution).toBeCalledTimes(1)
--- a/alm/src/utils/contract.ts
+++ b/alm/src/utils/contract.ts
@ -22,6 +22,16 @@ export const getRequiredBlockConfirmations = async (
  web3: Web3 | null = null,
  api: string = ''
 ) => {
+  let blockConfirmations
+
+  try {
+    blockConfirmations = await contract.methods.requiredBlockConfirmations().call()
+  } catch {}
+
+  if (blockConfirmations) {
+    return parseInt(blockConfirmations)
+  }
+
  const eventsFromSnapshot = snapshotProvider.requiredBlockConfirmationEvents(blockNumber)
  const snapshotBlockNumber = snapshotProvider.snapshotBlockNumber()

@ -35,16 +45,10 @@ export const getRequiredBlockConfirmations = async (

  const events = [...eventsFromSnapshot, ...contractEvents]

-  let blockConfirmations
-  if (events.length > 0) {
-    // Use the value from last event before the transaction
-    const event = events[events.length - 1]
-    blockConfirmations = event.returnValues.requiredBlockConfirmations
-  } else {
-    // This is a special case where RequiredBlockConfirmationChanged was not emitted during initialization in early versions of AMB
-    // of Sokol - Kovan. In this case the current value is used.
-    blockConfirmations = await contract.methods.requiredBlockConfirmations().call()
-  }
+  // Use the value from last event before the transaction
+  const event = events[events.length - 1]
+  blockConfirmations = event.returnValues.requiredBlockConfirmations
+
  return parseInt(blockConfirmations)
 }

@ -52,11 +56,25 @@ export const getValidatorAddress = (contract: Contract) => contract.methods.vali

 export const getRequiredSignatures = async (
  contract: Contract,
-  blockNumber: number,
+  blockNumber: number | 'latest',
  snapshotProvider: SnapshotProvider,
  web3: Web3 | null = null,
  api: string = ''
 ) => {
+  let requiredSignatures
+
+  try {
+    requiredSignatures = await contract.methods.requiredSignatures().call()
+  } catch {}
+
+  if (requiredSignatures) {
+    return parseInt(requiredSignatures)
+  }
+
+  if (blockNumber === 'latest') {
+    return contract.methods.requiredSignatures().call()
+  }
+
  const eventsFromSnapshot = snapshotProvider.requiredSignaturesEvents(blockNumber)
  const snapshotBlockNumber = snapshotProvider.snapshotBlockNumber()

@ -72,17 +90,25 @@ export const getRequiredSignatures = async (

  // Use the value form last event before the transaction
  const event = events[events.length - 1]
-  const { requiredSignatures } = event.returnValues
+  ;({ requiredSignatures } = event.returnValues)
  return parseInt(requiredSignatures)
 }

 export const getValidatorList = async (
  contract: Contract,
-  blockNumber: number,
+  blockNumber: number | 'latest',
  snapshotProvider: SnapshotProvider,
  web3: Web3 | null = null,
  api: string = ''
 ) => {
+  try {
+    const currentList = await contract.methods.validatorList().call()
+
+    if (currentList) {
+      return currentList
+    }
+  } catch {}
+
  const addedEventsFromSnapshot = snapshotProvider.validatorAddedEvents(blockNumber)
  const removedEventsFromSnapshot = snapshotProvider.validatorRemovedEvents(blockNumber)
  const snapshotBlockNumber = snapshotProvider.snapshotBlockNumber()
--- a/alm/src/utils/explorer.ts
+++ b/alm/src/utils/explorer.ts
@ -12,6 +12,7 @@ import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'

 export interface APITransaction {
+  from: string
  timeStamp: string
  isError: string
  input: string
@ -54,7 +55,7 @@ export const fetchAccountTransactions = async ({ account, startBlock, endBlock,
  url.searchParams.append('module', 'account')
  url.searchParams.append('action', 'txlist')
  url.searchParams.append('address', account)
-  url.searchParams.append('filterby', 'from')
+  url.searchParams.append('filterby', 'to')
  url.searchParams.append('startblock', startBlock.toString())
  url.searchParams.append('endblock', endBlock.toString())

@ -64,7 +65,7 @@ export const fetchAccountTransactions = async ({ account, startBlock, endBlock,
    return []
  }

-  return result.result
+  return result.result || []
 }

 export const fetchPendingTransactions = async ({
@ -180,7 +181,9 @@ export const getLogs = async (
    if (topics[i] !== null) {
      url.searchParams.append(`topic${i}`, topics[i] as string)
      for (let j = 0; j < i; j++) {
-        url.searchParams.append(`topic${j}_${i}_opr`, 'and')
+        if (topics[j] !== null) {
+          url.searchParams.append(`topic${j}_${i}_opr`, 'and')
+        }
      }
    }
  }
@ -194,7 +197,7 @@ export const getLogs = async (
  }))
 }

-const filterReceiver = (to: string) => (tx: APITransaction) => tx.to.toLowerCase() === to.toLowerCase()
+const filterSender = (from: string) => (tx: APITransaction) => tx.from.toLowerCase() === from.toLowerCase()

 export const getFailedTransactions = async (
  account: string,
@ -204,9 +207,9 @@ export const getFailedTransactions = async (
  api: string,
  getAccountTransactionsMethod = getAccountTransactions
 ): Promise<APITransaction[]> => {
-  const transactions = await getAccountTransactionsMethod({ account, startBlock, endBlock, api })
+  const transactions = await getAccountTransactionsMethod({ account: to, startBlock, endBlock, api })

-  return transactions.filter(t => t.isError !== '0').filter(filterReceiver(to))
+  return transactions.filter(t => t.isError !== '0').filter(filterSender(account))
 }

 export const getSuccessTransactions = async (
@ -217,9 +220,9 @@ export const getSuccessTransactions = async (
  api: string,
  getAccountTransactionsMethod = getAccountTransactions
 ): Promise<APITransaction[]> => {
-  const transactions = await getAccountTransactionsMethod({ account, startBlock, endBlock, api })
+  const transactions = await getAccountTransactionsMethod({ account: to, startBlock, endBlock, api })

-  return transactions.filter(t => t.isError === '0').filter(filterReceiver(to))
+  return transactions.filter(t => t.isError === '0').filter(filterSender(account))
 }

 export const filterValidatorSignatureTransaction = (
--- a/alm/src/utils/getConfirmationsForTx.ts
+++ b/alm/src/utils/getConfirmationsForTx.ts
@ -2,26 +2,37 @@ import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'
 import { HOME_RPC_POLLING_INTERVAL, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
 import { GetTransactionParams, APITransaction, APIPendingTransaction, GetPendingTransactionParams } from './explorer'
-import { getAffirmationsSigned, getMessagesSigned } from './contract'
 import {
  getValidatorConfirmation,
  getValidatorFailedTransaction,
  getValidatorPendingTransaction,
  getSuccessExecutionTransaction
 } from './validatorConfirmationHelpers'
-import { BasicConfirmationParam, ConfirmationParam } from '../hooks/useMessageConfirmations'
+import { ConfirmationParam } from '../hooks/useMessageConfirmations'
+import { signatureToVRS } from './signatures'

-const mergeConfirmations = (oldConfirmations: BasicConfirmationParam[], newConfirmations: BasicConfirmationParam[]) => {
+const mergeConfirmations = (oldConfirmations: ConfirmationParam[], newConfirmations: ConfirmationParam[]) => {
  const confirmations = [...oldConfirmations]
  newConfirmations.forEach(validatorData => {
    const index = confirmations.findIndex(e => e.validator === validatorData.validator)
+    if (index === -1) {
+      confirmations.push(validatorData)
+      return
+    }
    const currentStatus = confirmations[index].status
    const newStatus = validatorData.status
    if (
-      (validatorData as ConfirmationParam).txHash ||
+      validatorData.txHash ||
+      !!validatorData.signature ||
      (newStatus !== currentStatus && newStatus !== VALIDATOR_CONFIRMATION_STATUS.UNDEFINED)
    ) {
-      confirmations[index] = validatorData
+      confirmations[index] = {
+        status: validatorData.status,
+        validator: validatorData.validator,
+        timestamp: confirmations[index].timestamp || validatorData.timestamp,
+        txHash: confirmations[index].txHash || validatorData.txHash,
+        signature: confirmations[index].signature || validatorData.signature
+      }
    }
  })
  return confirmations
@ -45,19 +56,17 @@ export const getConfirmationsForTx = async (
  setPendingConfirmations: Function,
  getSuccessTransactions: (args: GetTransactionParams) => Promise<APITransaction[]>
 ) => {
-  const confirmationContractMethod = fromHome ? getMessagesSigned : getAffirmationsSigned
-
  const hashMsg = web3.utils.soliditySha3Raw(messageData)
  let validatorConfirmations = await Promise.all(
-    validatorList.map(getValidatorConfirmation(web3, hashMsg, bridgeContract, confirmationContractMethod))
+    validatorList.map(getValidatorConfirmation(web3, hashMsg, bridgeContract, fromHome))
  )

-  const updateConfirmations = (confirmations: BasicConfirmationParam[]) => {
+  const updateConfirmations = (confirmations: ConfirmationParam[]) => {
    if (confirmations.length === 0) {
      return
    }
    validatorConfirmations = mergeConfirmations(validatorConfirmations, confirmations)
-    setResult((currentConfirmations: BasicConfirmationParam[]) => {
+    setResult((currentConfirmations: ConfirmationParam[]) => {
      if (currentConfirmations && currentConfirmations.length) {
        return mergeConfirmations(currentConfirmations, confirmations)
      }
@ -67,11 +76,37 @@ export const getConfirmationsForTx = async (

  const successConfirmations = validatorConfirmations.filter(c => c.status === VALIDATOR_CONFIRMATION_STATUS.SUCCESS)
  const notSuccessConfirmations = validatorConfirmations.filter(c => c.status !== VALIDATOR_CONFIRMATION_STATUS.SUCCESS)
-  const hasEnoughSignatures = successConfirmations.length === requiredSignatures
+  const hasEnoughSignatures = successConfirmations.length >= requiredSignatures

  updateConfirmations(validatorConfirmations)
  setSignatureCollected(hasEnoughSignatures)

+  if (hasEnoughSignatures) {
+    setPendingConfirmations(false)
+    if (fromHome) {
+      // fetch collected signatures for possible manual processing
+      const signatures = await Promise.all(
+        Array.from(Array(requiredSignatures).keys()).map(i => bridgeContract.methods.signature(hashMsg, i).call())
+      )
+      const confirmations = signatures.flatMap(sig => {
+        const { v, r, s } = signatureToVRS(sig)
+        const address = web3.eth.accounts.recover(messageData, `0x${v}`, `0x${r}`, `0x${s}`)
+        return successConfirmations.filter(c => c.validator === address).map(c => ({ ...c, signature: sig }))
+      })
+      updateConfirmations(confirmations)
+    }
+  }
+
+  // get transactions from success signatures
+  const successConfirmationWithData = await Promise.all(
+    successConfirmations.map(
+      getSuccessExecutionTransaction(web3, bridgeContract, fromHome, messageData, startBlock, getSuccessTransactions)
+    )
+  )
+
+  const successConfirmationWithTxFound = successConfirmationWithData.filter(v => v.txHash !== '')
+  updateConfirmations(successConfirmationWithTxFound)
+
  // If signatures not collected, look for pending transactions
  if (!hasEnoughSignatures) {
    // Check if confirmation is pending
@ -84,16 +119,6 @@ export const getConfirmationsForTx = async (
    )
    updateConfirmations(validatorPendingConfirmations)
    setPendingConfirmations(validatorPendingConfirmations.length > 0)
-  } else {
-    setPendingConfirmations(false)
-    if (fromHome) {
-      // fetch collected signatures for possible manual processing
-      setSignatureCollected(
-        await Promise.all(
-          Array.from(Array(requiredSignatures).keys()).map(i => bridgeContract.methods.signature(hashMsg, i).call())
-        )
-      )
-    }
  }

  const undefinedConfirmations = validatorConfirmations.filter(
@ -103,13 +128,27 @@ export const getConfirmationsForTx = async (
  // Check if confirmation failed
  const validatorFailedConfirmationsChecks = await Promise.all(
    undefinedConfirmations.map(
-      getValidatorFailedTransaction(bridgeContract, messageData, startBlock, getFailedTransactions)
+      getValidatorFailedTransaction(web3, bridgeContract, messageData, startBlock, getFailedTransactions)
    )
  )
-  const validatorFailedConfirmations = validatorFailedConfirmationsChecks.filter(
-    c => c.status === VALIDATOR_CONFIRMATION_STATUS.FAILED
+  let validatorFailedConfirmations = validatorFailedConfirmationsChecks.filter(
+    c => c.status === VALIDATOR_CONFIRMATION_STATUS.FAILED || c.status === VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+  )
+  if (hasEnoughSignatures && !fromHome) {
+    const lastTS = Math.max(...successConfirmationWithTxFound.map(c => c.timestamp || 0))
+    validatorFailedConfirmations = validatorFailedConfirmations.map(
+      c =>
+        c.timestamp < lastTS
+          ? c
+          : {
+              ...c,
+              status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+            }
+    )
+  }
+  setFailedConfirmations(
+    !hasEnoughSignatures && validatorFailedConfirmations.some(c => c.status === VALIDATOR_CONFIRMATION_STATUS.FAILED)
  )
-  setFailedConfirmations(validatorFailedConfirmations.length > validatorList.length - requiredSignatures)
  updateConfirmations(validatorFailedConfirmations)

  const missingConfirmations = validatorConfirmations.filter(
@ -120,21 +159,13 @@ export const getConfirmationsForTx = async (
    // If signatures collected, it should set other signatures not found as not required
    const notRequiredConfirmations = missingConfirmations.map(c => ({
      validator: c.validator,
-      status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED
+      status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED,
+      timestamp: 0,
+      txHash: ''
    }))
    updateConfirmations(notRequiredConfirmations)
  }

-  // get transactions from success signatures
-  const successConfirmationWithData = await Promise.all(
-    successConfirmations.map(
-      getSuccessExecutionTransaction(web3, bridgeContract, fromHome, messageData, startBlock, getSuccessTransactions)
-    )
-  )
-
-  const successConfirmationWithTxFound = successConfirmationWithData.filter(v => v.txHash !== '')
-  updateConfirmations(successConfirmationWithTxFound)
-
  // retry if not all signatures are collected and some confirmations are still missing
  // or some success transactions were not fetched successfully
  if (
--- a/alm/src/utils/getFinalizationEvent.ts
+++ b/alm/src/utils/getFinalizationEvent.ts
@ -59,11 +59,12 @@ export const getSuccessExecutionData = async (
    const validatorAddress = web3.utils.toChecksumAddress(txReceipt.from)

    return {
-      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
+      status: VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS,
      validator: validatorAddress,
      txHash: event.transactionHash,
      timestamp: blockTimestamp,
-      executionResult: event.returnValues.status
+      executionResult: event.returnValues.status,
+      blockNumber: event.blockNumber
    }
  }
  return null
@ -115,7 +116,8 @@ export const getFinalizationEvent = async (
          validator: validator,
          txHash: pendingTx.hash,
          timestamp: nowTimestamp,
-          executionResult: false
+          executionResult: false,
+          blockNumber: 0
        })
        setPendingExecution(true)
      } else {
@ -144,7 +146,8 @@ export const getFinalizationEvent = async (
              validator: validator,
              txHash: failedTx.hash,
              timestamp,
-              executionResult: false
+              executionResult: false,
+              blockNumber: parseInt(failedTx.blockNumber)
            })
            setFailedExecution(true)
          }
--- a/alm/src/utils/validatorConfirmationHelpers.ts
+++ b/alm/src/utils/validatorConfirmationHelpers.ts
@ -1,38 +1,45 @@
 import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'
-import { BasicConfirmationParam, ConfirmationParam } from '../hooks/useMessageConfirmations'
+import { ConfirmationParam } from '../hooks/useMessageConfirmations'
 import validatorsCache from '../services/ValidatorsCache'
 import { CACHE_KEY_FAILED, CACHE_KEY_SUCCESS, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
 import { APIPendingTransaction, APITransaction, GetTransactionParams, GetPendingTransactionParams } from './explorer'
 import { homeBlockNumberProvider } from '../services/BlockNumberProvider'
+import { getAffirmationsSigned, getMessagesSigned } from './contract'

 export const getValidatorConfirmation = (
  web3: Web3,
  hashMsg: string,
  bridgeContract: Contract,
-  confirmationContractMethod: Function
-) => async (validator: string): Promise<BasicConfirmationParam> => {
+  fromHome: boolean
+) => async (validator: string): Promise<ConfirmationParam> => {
  const hashSenderMsg = web3.utils.soliditySha3Raw(validator, hashMsg)

-  const signatureFromCache = validatorsCache.get(hashSenderMsg)
-  if (signatureFromCache) {
-    return {
-      validator,
-      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS
-    }
+  const fromCache = validatorsCache.getData(hashSenderMsg)
+  if (fromCache) {
+    return fromCache
  }

+  const confirmationContractMethod = fromHome ? getMessagesSigned : getAffirmationsSigned
  const confirmed = await confirmationContractMethod(bridgeContract, hashSenderMsg)
-  const status = confirmed ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED

  // If validator confirmed signature, we cache the result to avoid doing future requests for a result that won't change
  if (confirmed) {
-    validatorsCache.set(hashSenderMsg, confirmed)
+    const confirmation: ConfirmationParam = {
+      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
+      validator,
+      timestamp: 0,
+      txHash: ''
+    }
+    validatorsCache.setData(hashSenderMsg, confirmation)
+    return confirmation
  }

  return {
+    status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
    validator,
-    status
+    timestamp: 0,
+    txHash: ''
  }
 }

@ -43,7 +50,7 @@ export const getSuccessExecutionTransaction = (
  messageData: string,
  startBlock: number,
  getSuccessTransactions: (args: GetTransactionParams) => Promise<APITransaction[]>
-) => async (validatorData: BasicConfirmationParam): Promise<ConfirmationParam> => {
+) => async (validatorData: ConfirmationParam): Promise<ConfirmationParam> => {
  const { validator } = validatorData
  const validatorCacheKey = `${CACHE_KEY_SUCCESS}${validatorData.validator}-${messageData}`
  const fromCache = validatorsCache.getData(validatorCacheKey)
@ -87,11 +94,12 @@ export const getSuccessExecutionTransaction = (
 }

 export const getValidatorFailedTransaction = (
+  web3: Web3,
  bridgeContract: Contract,
  messageData: string,
  startBlock: number,
  getFailedTransactions: (args: GetTransactionParams) => Promise<APITransaction[]>
-) => async (validatorData: BasicConfirmationParam): Promise<ConfirmationParam> => {
+) => async (validatorData: ConfirmationParam): Promise<ConfirmationParam> => {
  const validatorCacheKey = `${CACHE_KEY_FAILED}${validatorData.validator}-${messageData}`
  const failedFromCache = validatorsCache.getData(validatorCacheKey)

@ -106,30 +114,33 @@ export const getValidatorFailedTransaction = (
    startBlock,
    endBlock: homeBlockNumberProvider.get() || 0
  })
-  const newStatus =
-    failedTransactions.length > 0 ? VALIDATOR_CONFIRMATION_STATUS.FAILED : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
-
-  let txHashTimestamp = 0
-  let txHash = ''
  // If validator signature failed, we cache the result to avoid doing future requests for a result that won't change
  if (failedTransactions.length > 0) {
    const failedTx = failedTransactions[0]
-    txHashTimestamp = parseInt(failedTx.timeStamp)
-    txHash = failedTx.hash
-
-    validatorsCache.setData(validatorCacheKey, {
+    const confirmation: ConfirmationParam = {
+      status: VALIDATOR_CONFIRMATION_STATUS.FAILED,
      validator: validatorData.validator,
-      status: newStatus,
-      txHash,
-      timestamp: txHashTimestamp
-    })
+      txHash: failedTx.hash,
+      timestamp: parseInt(failedTx.timeStamp)
+    }
+
+    if (failedTx.input && failedTx.input.length > 10) {
+      try {
+        const res = web3.eth.abi.decodeParameters(['bytes', 'bytes'], `0x${failedTx.input.slice(10)}`)
+        confirmation.signature = res[0]
+        confirmation.status = VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+        console.log(`Adding manual signature from failed message from ${validatorData.validator}`)
+      } catch {}
+    }
+    validatorsCache.setData(validatorCacheKey, confirmation)
+    return confirmation
  }

  return {
+    status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
    validator: validatorData.validator,
-    status: newStatus,
-    txHash,
-    timestamp: txHashTimestamp
+    txHash: '',
+    timestamp: 0
  }
 }

@ -137,7 +148,7 @@ export const getValidatorPendingTransaction = (
  bridgeContract: Contract,
  messageData: string,
  getPendingTransactions: (args: GetPendingTransactionParams) => Promise<APIPendingTransaction[]>
-) => async (validatorData: BasicConfirmationParam): Promise<ConfirmationParam> => {
+) => async (validatorData: ConfirmationParam): Promise<ConfirmationParam> => {
  const failedTransactions = await getPendingTransactions({
    account: validatorData.validator,
    to: bridgeContract.options.address,
--- a/alm/src/utils/web3.ts
+++ b/alm/src/utils/web3.ts
@ -10,6 +10,37 @@ import { SnapshotProvider } from '../services/SnapshotProvider'
 export interface MessageObject {
  id: string
  data: string
+  sender?: string
+  executor?: string
+  obToken?: string
+  obReceiver?: string
+}
+
+export interface WarnRule {
+  message: string
+  sender?: string
+  executor?: string
+  obToken?: string
+  obReceiver?: string
+}
+
+export const matchesRule = (rule: WarnRule, msg: MessageObject) => {
+  if (!msg.executor || !msg.sender) {
+    return false
+  }
+  if (!!rule.executor && rule.executor.toLowerCase() !== msg.executor.toLowerCase()) {
+    return false
+  }
+  if (!!rule.sender && rule.sender.toLowerCase() !== msg.sender.toLowerCase()) {
+    return false
+  }
+  if (!!rule.obToken && (!msg.obToken || rule.obToken.toLowerCase() !== msg.obToken.toLowerCase())) {
+    return false
+  }
+  if (!!rule.obReceiver && (!msg.obReceiver || rule.obReceiver.toLowerCase() !== msg.obReceiver.toLowerCase())) {
+    return false
+  }
+  return true
 }

 const rawGetWeb3 = (url: string) => new Web3(new Web3.providers.HttpProvider(url))
@ -26,15 +57,33 @@ export const filterEventsByAbi = (
  const eventHash = web3.eth.abi.encodeEventSignature(eventAbi)
  const events = txReceipt.logs.filter(e => e.address === bridgeAddress && e.topics[0] === eventHash)

+  if (!eventAbi || !eventAbi.inputs || !eventAbi.inputs.length) {
+    return []
+  }
+  const inputs = eventAbi.inputs
  return events.map(e => {
-    let decodedLogs: { [p: string]: string } = {
-      messageId: '',
-      encodedData: ''
+    const { messageId, encodedData } = web3.eth.abi.decodeLog(inputs, e.data, [e.topics[1]])
+    let sender, executor, obToken, obReceiver
+    if (encodedData.length >= 160) {
+      sender = `0x${encodedData.slice(66, 106)}`
+      executor = `0x${encodedData.slice(106, 146)}`
+      const dataOffset =
+        160 + (parseInt(encodedData.slice(154, 156), 16) + parseInt(encodedData.slice(156, 158), 16)) * 2 + 8
+      if (encodedData.length >= dataOffset + 64) {
+        obToken = `0x${encodedData.slice(dataOffset + 24, dataOffset + 64)}`
+      }
+      if (encodedData.length >= dataOffset + 128) {
+        obReceiver = `0x${encodedData.slice(dataOffset + 88, dataOffset + 128)}`
+      }
    }
-    if (eventAbi && eventAbi.inputs && eventAbi.inputs.length) {
-      decodedLogs = web3.eth.abi.decodeLog(eventAbi.inputs, e.data, [e.topics[1]])
+    return {
+      id: messageId || '',
+      data: encodedData || '',
+      sender,
+      executor,
+      obToken,
+      obReceiver
    }
-    return { id: decodedLogs.messageId, data: decodedLogs.encodedData }
  })
 }

--- a/oracle/README.md
+++ b/oracle/README.md
@ -1,10 +1,10 @@
 # POA TokenBridge / Oracle
-Oracle responsible for listening to bridge related events and authorizing asset transfers.
+An oracle responsible for listening to bridge related events and authorizing asset transfers.

 ## Overview
 Please refer to the [POA TokenBridge](../README.md) overview first of all.

-The Oracle is deployed on specified validator nodes (only nodes whose private keys correspond to addresses specified in the smart contracts) in the network. It connects to two chains via a Remote Procedure Call (RPC) and is responsible for:
+The oracle is deployed on specified validator nodes (only nodes whose private keys correspond to addresses specified in the smart contracts) in the network. It connects to two chains via a Remote Procedure Call (RPC) and is responsible for:
 - listening to events related to bridge contracts
 - sending transactions to authorize asset transfers

@ -69,7 +69,7 @@ For more information on the Redis/RabbitMQ requirements, see [#90](/../../issues
   }
   ```

-## Install and configure the Oracle
+## Install and configure the oracle

 1. [Initialize](../README.md#initializing-the-monorepository) the monorepository.

--- a/oracle/config/base.config.js
+++ b/oracle/config/base.config.js
@ -7,7 +7,15 @@ const {
  HOME_AMB_ABI,
  FOREIGN_AMB_ABI
 } = require('../../commons')
-const { web3Home, web3Foreign } = require('../src/services/web3')
+const {
+  web3Home,
+  web3Foreign,
+  web3HomeRedundant,
+  web3HomeFallback,
+  web3ForeignRedundant,
+  web3ForeignFallback,
+  web3ForeignArchive
+} = require('../src/services/web3')
 const { add0xPrefix, privateKeyToAddress } = require('../src/utils/utils')
 const { EXIT_CODES } = require('../src/utils/constants')

@ -27,9 +35,11 @@ const {
  ORACLE_HOME_EVENTS_REPROCESSING,
  ORACLE_HOME_EVENTS_REPROCESSING_BATCH_SIZE,
  ORACLE_HOME_EVENTS_REPROCESSING_BLOCK_DELAY,
+  ORACLE_HOME_RPC_SYNC_STATE_CHECK_INTERVAL,
  ORACLE_FOREIGN_EVENTS_REPROCESSING,
  ORACLE_FOREIGN_EVENTS_REPROCESSING_BATCH_SIZE,
-  ORACLE_FOREIGN_EVENTS_REPROCESSING_BLOCK_DELAY
+  ORACLE_FOREIGN_EVENTS_REPROCESSING_BLOCK_DELAY,
+  ORACLE_FOREIGN_RPC_SYNC_STATE_CHECK_INTERVAL
 } = process.env

 let homeAbi
@ -63,9 +73,12 @@ const homeConfig = {
  bridgeAddress: COMMON_HOME_BRIDGE_ADDRESS,
  bridgeABI: homeAbi,
  pollingInterval: parseInt(ORACLE_HOME_RPC_POLLING_INTERVAL, 10),
+  syncCheckInterval: parseInt(ORACLE_HOME_RPC_SYNC_STATE_CHECK_INTERVAL, 10) || 60000,
  startBlock: parseInt(ORACLE_HOME_START_BLOCK, 10) || 0,
  blockPollingLimit: parseInt(ORACLE_HOME_RPC_BLOCK_POLLING_LIMIT, 10),
  web3: web3Home,
+  web3Redundant: web3HomeRedundant,
+  web3Fallback: web3HomeFallback,
  bridgeContract: homeContract,
  eventContract: homeContract,
  reprocessingOptions: {
@ -81,9 +94,13 @@ const foreignConfig = {
  bridgeAddress: COMMON_FOREIGN_BRIDGE_ADDRESS,
  bridgeABI: foreignAbi,
  pollingInterval: parseInt(ORACLE_FOREIGN_RPC_POLLING_INTERVAL, 10),
+  syncCheckInterval: parseInt(ORACLE_FOREIGN_RPC_SYNC_STATE_CHECK_INTERVAL, 10) || 60000,
  startBlock: parseInt(ORACLE_FOREIGN_START_BLOCK, 10) || 0,
  blockPollingLimit: parseInt(ORACLE_FOREIGN_RPC_BLOCK_POLLING_LIMIT, 10),
  web3: web3Foreign,
+  web3Redundant: web3ForeignRedundant,
+  web3Fallback: web3ForeignFallback,
+  web3Archive: web3ForeignArchive || web3Foreign,
  bridgeContract: foreignContract,
  eventContract: foreignContract,
  reprocessingOptions: {
--- a/oracle/config/foreign-mev-sender.config.js
+++ b/oracle/config/foreign-mev-sender.config.js
@ -0,0 +1,37 @@
+const baseConfig = require('./base.config')
+
+const { DEFAULT_TRANSACTION_RESEND_INTERVAL } = require('../src/utils/constants')
+const { MEV_HELPER_ABI } = require('../src/utils/mev')
+const { web3Foreign, getFlashbotsProvider } = require('../src/services/web3')
+
+const {
+  ORACLE_FOREIGN_TX_RESEND_INTERVAL,
+  ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS,
+  ORACLE_MEV_FOREIGN_MIN_GAS_PRICE,
+  ORACLE_MEV_FOREIGN_FLAT_MINER_FEE,
+  ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS,
+  ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS,
+  ORACLE_MEV_FOREIGN_BUNDLES_BLOCK_RANGE
+} = process.env
+
+const contract = new baseConfig.foreign.web3.eth.Contract(MEV_HELPER_ABI, ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS)
+
+module.exports = {
+  ...baseConfig,
+  pollingInterval: baseConfig.foreign.pollingInterval,
+  mevForeign: {
+    contractAddress: ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS,
+    contract,
+    minGasPrice: ORACLE_MEV_FOREIGN_MIN_GAS_PRICE,
+    flatMinerFee: ORACLE_MEV_FOREIGN_FLAT_MINER_FEE,
+    maxPriorityFeePerGas: ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS,
+    maxFeePerGas: ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS,
+    bundlesPerIteration: Math.max(parseInt(ORACLE_MEV_FOREIGN_BUNDLES_BLOCK_RANGE, 10) || 5, 1),
+    getFlashbotsProvider
+  },
+  mevJobsRedisKey: `${baseConfig.id}-collected-signatures-mev:mevJobs`,
+  id: 'mev-sender-foreign',
+  name: 'mev-sender-foreign',
+  web3: web3Foreign,
+  resendInterval: parseInt(ORACLE_FOREIGN_TX_RESEND_INTERVAL, 10) || DEFAULT_TRANSACTION_RESEND_INTERVAL
+}
--- a/oracle/config/foreign-sender.config.js
+++ b/oracle/config/foreign-sender.config.js
@ -1,17 +1,14 @@
 const baseConfig = require('./base.config')

 const { DEFAULT_TRANSACTION_RESEND_INTERVAL } = require('../src/utils/constants')
-const { web3Foreign, web3ForeignRedundant, web3ForeignFallback } = require('../src/services/web3')

 const { ORACLE_FOREIGN_TX_RESEND_INTERVAL } = process.env

 module.exports = {
  ...baseConfig,
+  main: baseConfig.foreign,
  queue: 'foreign-prioritized',
  id: 'foreign',
  name: 'sender-foreign',
-  web3: web3Foreign,
-  web3Redundant: web3ForeignRedundant,
-  web3Fallback: web3ForeignFallback,
  resendInterval: parseInt(ORACLE_FOREIGN_TX_RESEND_INTERVAL, 10) || DEFAULT_TRANSACTION_RESEND_INTERVAL
 }
--- a/oracle/config/home-sender.config.js
+++ b/oracle/config/home-sender.config.js
@ -1,17 +1,14 @@
 const baseConfig = require('./base.config')

 const { DEFAULT_TRANSACTION_RESEND_INTERVAL } = require('../src/utils/constants')
-const { web3Home, web3HomeRedundant, web3HomeFallback } = require('../src/services/web3')

 const { ORACLE_HOME_TX_RESEND_INTERVAL } = process.env

 module.exports = {
  ...baseConfig,
+  main: baseConfig.home,
  queue: 'home-prioritized',
  id: 'home',
  name: 'sender-home',
-  web3: web3Home,
-  web3Redundant: web3HomeRedundant,
-  web3Fallback: web3HomeFallback,
  resendInterval: parseInt(ORACLE_HOME_TX_RESEND_INTERVAL, 10) || DEFAULT_TRANSACTION_RESEND_INTERVAL
 }
--- a/oracle/config/information-request-watcher.config.js
+++ b/oracle/config/information-request-watcher.config.js
@ -1,11 +1,9 @@
 const baseConfig = require('./base.config')
-const { web3ForeignArchive } = require('../src/services/web3')

 const id = `${baseConfig.id}-information-request`

 module.exports = {
  ...baseConfig,
-  web3ForeignArchive: web3ForeignArchive || baseConfig.foreign.web3,
  main: baseConfig.home,
  event: 'UserRequestForInformation',
  sender: 'home',
--- a/oracle/config/mev-collected-signatures-watcher.config.js
+++ b/oracle/config/mev-collected-signatures-watcher.config.js
@ -0,0 +1,30 @@
+const baseConfig = require('./base.config')
+const { MEV_HELPER_ABI } = require('../src/utils/mev')
+
+const {
+  ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS,
+  ORACLE_MEV_FOREIGN_MIN_GAS_PRICE,
+  ORACLE_MEV_FOREIGN_FLAT_MINER_FEE,
+  ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS,
+  ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS
+} = process.env
+
+const id = `${baseConfig.id}-collected-signatures-mev`
+
+const contract = new baseConfig.foreign.web3.eth.Contract(MEV_HELPER_ABI, ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS)
+
+module.exports = {
+  ...baseConfig,
+  mevForeign: {
+    contractAddress: ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS,
+    contract,
+    minGasPrice: ORACLE_MEV_FOREIGN_MIN_GAS_PRICE,
+    flatMinerFee: ORACLE_MEV_FOREIGN_FLAT_MINER_FEE,
+    maxPriorityFeePerGas: ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS,
+    maxFeePerGas: ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS
+  },
+  main: baseConfig.home,
+  event: 'CollectedSignatures',
+  name: `watcher-${id}`,
+  id
+}
--- a/oracle/docker-compose-helpers.yml
+++ b/oracle/docker-compose-helpers.yml
@ -1,6 +1,14 @@
 ---
 version: '2.4'
 services:
+  redis:
+    cpus: 0.1
+    mem_limit: 500m
+    command: [ redis-server, --appendonly, 'yes' ]
+    hostname: redis
+    image: redis:4
+    restart: unless-stopped
+    volumes: [ '~/bridge_data/helpers/redis:/data' ]
  interestFetcher:
    cpus: 0.1
    mem_limit: 500m
@ -13,3 +21,41 @@ services:
      INTERVAL: 300000
    restart: unless-stopped
    entrypoint: yarn helper:interestFether
+  mevWatcher:
+    cpus: 0.1
+    mem_limit: 500m
+    image: poanetwork/tokenbridge-oracle:latest
+    env_file: ./.env
+    environment:
+      NODE_ENV: production
+      ORACLE_VALIDATOR_ADDRESS: ${ORACLE_VALIDATOR_ADDRESS}
+      ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS: 'TBD'
+      ORACLE_MEV_FOREIGN_MIN_GAS_PRICE: '50000000000' # 50 gwei
+      ORACLE_MEV_FOREIGN_FLAT_MINER_FEE: '1500000000000000' # 0.0015 eth = 300k gas * 5 gwei
+      ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS: '0' # 0 gwei
+      ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS: '1000000000000' # 1000 gwei
+      ORACLE_FOREIGN_RPC_POLLING_INTERVAL: '15000' # CollectedSignatures event polling interval
+      ORACLE_HOME_START_BLOCK: 'TBD'
+      ORACLE_HOME_SKIP_MANUAL_LANE: 'true'
+    restart: unless-stopped
+    entrypoint: yarn mev:watcher:collected-signatures
+  mevSender:
+    cpus: 0.1
+    mem_limit: 500m
+    image: poanetwork/tokenbridge-oracle:latest
+    env_file: ./.env
+    environment:
+      NODE_ENV: production
+      ORACLE_VALIDATOR_ADDRESS: ${ORACLE_VALIDATOR_ADDRESS}
+      ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY: ${ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY}
+      ORACLE_MEV_FOREIGN_HELPER_CONTRACT_ADDRESS: 'TBD'
+      ORACLE_MEV_FOREIGN_MIN_GAS_PRICE: '50000000000' # 50 gwei
+      ORACLE_MEV_FOREIGN_FLAT_MINER_FEE: '1500000000000000' # 0.0015 eth = 300k gas * 5 gwei
+      ORACLE_MEV_FOREIGN_MAX_PRIORITY_FEE_PER_GAS: '0' # 0 gwei
+      ORACLE_MEV_FOREIGN_MAX_FEE_PER_GAS: '1000000000000' # 1000 gwei
+      ORACLE_MEV_FOREIGN_FLASHBOTS_RPC_URL: 'https://relay-goerli.flashbots.net'
+      ORACLE_MEV_FOREIGN_FLASHBOTS_AUTH_SIGNING_KEY: 82db7175932f4e6c8e45283b78b54fd5f195149378ec90d95b8fd0ec8bdadf1d
+      ORACLE_MEV_FOREIGN_BUNDLES_BLOCK_RANGE: '5'
+      ORACLE_FOREIGN_RPC_POLLING_INTERVAL: '70000' # time between sending different batches of MEV bundles (~= 5 blocks * 14 seconds)
+    restart: unless-stopped
+    entrypoint: yarn mev:sender:foreign
--- a/oracle/package.json
+++ b/oracle/package.json
@ -19,6 +19,9 @@
    "confirm:information-request": "./scripts/start-worker.sh confirmRelay information-request-watcher",
    "manager:shutdown": "./scripts/start-worker.sh shutdownManager shutdown-manager",
    "helper:interestFether": "node ./scripts/interestFetcher.js",
+    "helper:signPendingMessages": "node ./scripts/signPendingMessages.js",
+    "mev:watcher:collected-signatures": "./scripts/start-worker.sh mevWatcher mev-collected-signatures-watcher",
+    "mev:sender:foreign": "./scripts/start-worker.sh mevSender foreign-mev-sender",
    "dev": "concurrently -n 'watcher:signature-request,watcher:collected-signatures,watcher:affirmation-request,watcher:transfer, sender:home,sender:foreign' -c 'red,green,yellow,blue,magenta,cyan' 'yarn watcher:signature-request' 'yarn watcher:collected-signatures' 'yarn watcher:affirmation-request' 'yarn watcher:transfer' 'yarn sender:home' 'yarn sender:foreign'",
    "test": "NODE_ENV=test mocha",
    "test:watch": "NODE_ENV=test mocha --watch --reporter=min",
@ -28,10 +31,12 @@
  "author": "",
  "license": "ISC",
  "dependencies": {
+    "@flashbots/ethers-provider-bundle": "^0.4.3",
    "amqp-connection-manager": "^2.0.0",
    "amqplib": "^0.5.2",
    "bignumber.js": "^7.2.1",
    "dotenv": "^5.0.1",
+    "ethers": "^5.5.3",
    "ioredis": "^3.2.2",
    "node-fetch": "^2.1.2",
    "pino": "^4.17.3",
--- a/oracle/scripts/erc20_to_native/sendForeign.js
+++ b/oracle/scripts/erc20_to_native/sendForeign.js
@ -36,7 +36,7 @@ async function main() {
        data,
        nonce,
        gasPrice: FOREIGN_TEST_TX_GAS_PRICE,
-        amount: '0',
+        value: '0',
        gasLimit,
        to: bridgeableTokenAddress,
        web3: web3Foreign,
--- a/oracle/scripts/erc20_to_native/sendHome.js
+++ b/oracle/scripts/erc20_to_native/sendHome.js
@ -29,7 +29,7 @@ async function main() {
        data: '0x',
        nonce,
        gasPrice: HOME_TEST_TX_GAS_PRICE,
-        amount: HOME_MIN_AMOUNT_PER_TX,
+        value: web3Home.utils.toWei(HOME_MIN_AMOUNT_PER_TX),
        gasLimit: 100000,
        to: COMMON_HOME_BRIDGE_ADDRESS,
        web3: web3Home,
--- a/oracle/scripts/interestFetcher.js
+++ b/oracle/scripts/interestFetcher.js
@ -54,7 +54,7 @@ async function main() {
      nonce,
      gasPrice,
      gasLimit: Math.round(gasLimit * 1.5),
-      amount: '0',
+      value: '0',
      chainId,
      web3: web3Home
    })
--- a/oracle/scripts/signPendingMessages.js
+++ b/oracle/scripts/signPendingMessages.js
@ -0,0 +1,83 @@
+require('dotenv').config()
+
+const {
+  COMMON_HOME_BRIDGE_ADDRESS,
+  COMMON_FOREIGN_BRIDGE_ADDRESS,
+  ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY,
+  ORACLE_HOME_START_BLOCK,
+  ORACLE_HOME_END_BLOCK,
+  ORACLE_BRIDGE_MODE
+} = process.env
+
+const fs = require('fs')
+const promiseLimit = require('promise-limit')
+
+const { web3Home, web3Foreign } = require('../src/services/web3')
+const { getBridgeABIs, getPastEvents, parseAMBMessage, BRIDGE_MODES } = require('../../commons')
+const { setLogger } = require('../src/services/injectedLogger')
+
+const mockLogger = { debug: () => {}, info: () => {}, error: () => {}, child: () => mockLogger }
+setLogger(mockLogger)
+
+const limit = promiseLimit(50)
+
+const output = process.argv[2]
+
+async function main() {
+  const { HOME_ABI, FOREIGN_ABI } = getBridgeABIs(ORACLE_BRIDGE_MODE)
+  const wallet = web3Home.eth.accounts.wallet.add(ORACLE_VALIDATOR_ADDRESS_PRIVATE_KEY)
+  const homeBridge = new web3Home.eth.Contract(HOME_ABI, COMMON_HOME_BRIDGE_ADDRESS)
+  const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
+  const fromBlock = parseInt(ORACLE_HOME_START_BLOCK, 10) || 0
+  let toBlock = parseInt(ORACLE_HOME_END_BLOCK, 10)
+  if (!toBlock) {
+    toBlock = await web3Home.eth.getBlockNumber()
+  }
+  console.log(`Getting CollectedSignatures events from block ${fromBlock} to block ${toBlock}`)
+  const events = await getPastEvents(homeBridge, { event: 'CollectedSignatures', fromBlock, toBlock })
+  console.log(`Found ${events.length} CollectedSignatures events`)
+  console.log('Getting messages')
+  let messages = await Promise.all(
+    events.map((event, i) => () => getMessage(ORACLE_BRIDGE_MODE, homeBridge, foreignBridge, event, i)).map(limit)
+  )
+  messages = messages.filter(x => x)
+  console.log(`Filtered ${messages.length} pending messages`)
+  const result = {}
+  messages.forEach(msg => {
+    result[msg.msgHash] = wallet.sign(msg.message).signature
+  })
+
+  console.log('Writing results')
+  if (output === '-') {
+    console.log(JSON.stringify(result))
+  } else {
+    fs.writeFileSync(output, JSON.stringify(result))
+  }
+}
+
+async function getMessage(bridgeMode, homeBridge, foreignBridge, event, i) {
+  if (i % 50 === 0) {
+    console.log(`Processing event #${i}`)
+  }
+  const msgHash = event.returnValues.messageHash
+  const message = await homeBridge.methods.message(msgHash).call()
+
+  let msgId
+  if (bridgeMode === BRIDGE_MODES.ARBITRARY_MESSAGE) {
+    msgId = parseAMBMessage(message).messageId
+  } else {
+    msgId = `0x${message.slice(106, 170)}`
+  }
+  const alreadyProcessed = await foreignBridge.methods.relayedMessages(msgId).call()
+
+  if (alreadyProcessed) {
+    return null
+  }
+
+  return {
+    msgHash,
+    message
+  }
+}
+
+main()
--- a/oracle/src/confirmRelay.js
+++ b/oracle/src/confirmRelay.js
@ -174,7 +174,7 @@ async function sendJobTx(jobs) {
      const txHash = await sendTx({
        data: job.data,
        nonce,
-        amount: '0',
+        value: '0',
        gasLimit,
        privateKey: config.validatorPrivateKey,
        to: job.to,
--- a/oracle/src/events/processAMBCollectedSignatures/estimateGas.js
+++ b/oracle/src/events/processAMBCollectedSignatures/estimateGas.js
@ -4,7 +4,6 @@ const { AlreadyProcessedError, IncompatibleContractError, InvalidValidatorError
 const logger = require('../../services/logger').child({
  module: 'processCollectedSignatures:estimateGas'
 })
-const { parseAMBHeader } = require('../../utils/message')

 const web3 = new Web3()
 const { toBN } = Web3.utils
@ -22,15 +21,9 @@ async function estimateGas({
  address
 }) {
  try {
-    const gasEstimate = await foreignBridge.methods.executeSignatures(message, signatures).estimateGas({
+    return await foreignBridge.methods.executeSignatures(message, signatures).estimateGas({
      from: address
    })
-    const msgGasLimit = parseAMBHeader(message).gasLimit
-
-    // + estimateExtraGas(len)
-    // is not needed here, since estimateGas will already take into account gas
-    // needed for memory expansion, message processing, etc.
-    return gasEstimate + msgGasLimit
  } catch (e) {
    if (e instanceof HttpListProviderError) {
      throw e
--- a/oracle/src/events/processAMBCollectedSignaturesMEV/index.js
+++ b/oracle/src/events/processAMBCollectedSignaturesMEV/index.js
@ -0,0 +1,183 @@
+require('dotenv').config()
+const promiseLimit = require('promise-limit')
+const { HttpListProviderError } = require('../../services/HttpListProvider')
+const { getValidatorContract } = require('../../tx/web3')
+const rootLogger = require('../../services/logger')
+const { signatureToVRS, packSignatures } = require('../../utils/message')
+const { readAccessListFile, isRevertError } = require('../../utils/utils')
+const { parseAMBMessage } = require('../../../../commons')
+const estimateGas = require('../processAMBCollectedSignatures/estimateGas')
+const { AlreadyProcessedError, IncompatibleContractError, InvalidValidatorError } = require('../../utils/errors')
+const { MAX_CONCURRENT_EVENTS, EXTRA_GAS_ABSOLUTE } = require('../../utils/constants')
+
+const limit = promiseLimit(MAX_CONCURRENT_EVENTS)
+
+const { ORACLE_HOME_TO_FOREIGN_ALLOWANCE_LIST, ORACLE_HOME_TO_FOREIGN_BLOCK_LIST } = process.env
+const ORACLE_HOME_SKIP_MANUAL_LANE = process.env.ORACLE_HOME_SKIP_MANUAL_LANE === 'true'
+
+function processCollectedSignaturesBuilder(config) {
+  const { home, foreign, mevForeign } = config
+
+  let validatorContract = null
+
+  return async function processCollectedSignatures(signatures) {
+    const txToSend = []
+
+    if (validatorContract === null) {
+      validatorContract = await getValidatorContract(foreign.bridgeContract, foreign.web3)
+    }
+
+    rootLogger.debug(`Processing ${signatures.length} CollectedSignatures events`)
+    const callbacks = signatures
+      .map(colSignature => async () => {
+        const { messageHash, NumberOfCollectedSignatures } = colSignature.returnValues
+
+        const logger = rootLogger.child({
+          eventTransactionHash: colSignature.transactionHash
+        })
+
+        logger.info(`Processing CollectedSignatures ${colSignature.transactionHash}`)
+        const message = await home.bridgeContract.methods.message(messageHash).call()
+        const parsedMessage = parseAMBMessage(message)
+
+        if (ORACLE_HOME_TO_FOREIGN_ALLOWANCE_LIST || ORACLE_HOME_TO_FOREIGN_BLOCK_LIST) {
+          const sender = parsedMessage.sender.toLowerCase()
+          const executor = parsedMessage.executor.toLowerCase()
+
+          if (ORACLE_HOME_TO_FOREIGN_ALLOWANCE_LIST) {
+            const allowanceList = await readAccessListFile(ORACLE_HOME_TO_FOREIGN_ALLOWANCE_LIST, logger)
+            if (!allowanceList.includes(executor) && !allowanceList.includes(sender)) {
+              logger.info(
+                { sender, executor },
+                'Validator skips a message. Neither sender nor executor addresses are in the allowance list.'
+              )
+              return
+            }
+          } else if (ORACLE_HOME_TO_FOREIGN_BLOCK_LIST) {
+            const blockList = await readAccessListFile(ORACLE_HOME_TO_FOREIGN_BLOCK_LIST, logger)
+            if (blockList.includes(executor)) {
+              logger.info({ executor }, 'Validator skips a message. Executor address is in the block list.')
+              return
+            }
+            if (blockList.includes(sender)) {
+              logger.info({ sender }, 'Validator skips a message. Sender address is in the block list.')
+              return
+            }
+          }
+        }
+
+        if (ORACLE_HOME_SKIP_MANUAL_LANE && parsedMessage.decodedDataType.manualLane) {
+          logger.info(
+            { dataType: parsedMessage.dataType },
+            'Validator skips a message. Message was forwarded to the manual lane by the extension'
+          )
+          return
+        }
+
+        logger.debug({ NumberOfCollectedSignatures }, 'Number of signatures to get')
+
+        const requiredSignatures = []
+        requiredSignatures.length = NumberOfCollectedSignatures
+        requiredSignatures.fill(0)
+
+        const signaturesArray = []
+        const [v, r, s] = [[], [], []]
+        logger.debug('Getting message signatures')
+        const signaturePromises = requiredSignatures.map(async (el, index) => {
+          logger.debug({ index }, 'Getting message signature')
+          const signature = await home.bridgeContract.methods.signature(messageHash, index).call()
+          const vrs = signatureToVRS(signature)
+          v.push(vrs.v)
+          r.push(vrs.r)
+          s.push(vrs.s)
+          signaturesArray.push(vrs)
+        })
+
+        await Promise.all(signaturePromises)
+        const signatures = packSignatures(signaturesArray)
+        logger.info(`Processing messageId: ${parsedMessage.messageId}`)
+
+        let gasEstimate
+        try {
+          logger.debug('Estimate gas')
+          gasEstimate = await estimateGas({
+            foreignBridge: foreign.bridgeContract,
+            validatorContract,
+            v,
+            r,
+            s,
+            signatures,
+            message,
+            numberOfCollectedSignatures: NumberOfCollectedSignatures,
+            messageId: parsedMessage.messageId,
+            address: config.validatorAddress
+          })
+          logger.debug({ gasEstimate }, 'Gas estimated')
+        } catch (e) {
+          if (e instanceof HttpListProviderError) {
+            throw new Error('RPC Connection Error: submitSignature Gas Estimate cannot be obtained.')
+          } else if (e instanceof AlreadyProcessedError) {
+            logger.info(`Already processed CollectedSignatures ${colSignature.transactionHash}`)
+            return
+          } else if (e instanceof IncompatibleContractError || e instanceof InvalidValidatorError) {
+            logger.error(`The message couldn't be processed; skipping: ${e.message}`)
+            return
+          } else {
+            logger.error(e, 'Unknown error while processing transaction')
+            throw e
+          }
+        }
+
+        const executeData = foreign.bridgeContract.methods.executeSignatures(message, signatures).encodeABI()
+        const profit = await estimateProfit(
+          mevForeign.contract,
+          mevForeign.minGasPrice,
+          executeData,
+          mevForeign.flatMinerFee
+        )
+        if (profit === '0') {
+          logger.error('No MEV opportunity found when testing with min gas price, skipping job')
+          return
+        }
+        logger.info(`Estimated profit of ${profit} when simulating with ${mevForeign.minGasPrice} gas price`)
+
+        txToSend.push({
+          profit,
+          executeData,
+          data: mevForeign.contract.methods.execute(executeData).encodeABI(),
+          gasEstimate,
+          extraGas: EXTRA_GAS_ABSOLUTE,
+          maxFeePerGas: mevForeign.maxFeePerGas,
+          maxPriorityFeePerGas: mevForeign.maxPriorityFeePerGas,
+          transactionReference: colSignature.transactionHash,
+          to: mevForeign.contractAddress,
+          value: mevForeign.flatMinerFee
+        })
+      })
+      .map(promise => limit(promise))
+
+    await Promise.all(callbacks)
+
+    return txToSend
+  }
+}
+
+async function estimateProfit(contract, gasPrice, data, minerFee) {
+  return contract.methods
+    .estimateProfit(gasPrice, data)
+    .call({ value: minerFee })
+    .then(
+      res => res.toString(),
+      e => {
+        if (isRevertError(e)) {
+          return '0'
+        }
+        throw e
+      }
+    )
+}
+
+module.exports = {
+  processCollectedSignaturesBuilder,
+  estimateProfit
+}
--- a/oracle/src/events/processAMBInformationRequests/index.js
+++ b/oracle/src/events/processAMBInformationRequests/index.js
@ -35,11 +35,13 @@ Object.keys(asyncCalls).forEach(method => {
 })

 function processInformationRequestsBuilder(config) {
-  const { home, foreign, web3ForeignArchive } = config
+  const { home, foreign } = config

  let validatorContract = null
  let blockFinder = null

+  foreign.web3Archive.currentProvider.startSyncStateChecker(foreign.syncCheckInterval)
+
  return async function processInformationRequests(informationRequests) {
    const txToSend = []

@ -49,13 +51,15 @@ function processInformationRequestsBuilder(config) {

    if (blockFinder === null) {
      rootLogger.debug('Initializing block finder')
-      blockFinder = await makeBlockFinder('foreign', foreign.web3)
+      blockFinder = await makeBlockFinder('foreign', foreign.web3Archive)
    }

+    // latest foreign block is requested from an archive RPC, to ensure that it is synced with the network
+    // block confirmations can be requested from the regular JSON RPC
    const foreignBlockNumber =
-      (await getBlockNumber(foreign.web3)) - (await getRequiredBlockConfirmations(foreign.bridgeContract))
+      (await getBlockNumber(foreign.web3Archive)) - (await getRequiredBlockConfirmations(foreign.bridgeContract))
    const homeBlock = await getBlock(home.web3, informationRequests[0].blockNumber)
-    const lastForeignBlock = await getBlock(foreign.web3, foreignBlockNumber)
+    const lastForeignBlock = await getBlock(foreign.web3Archive, foreignBlockNumber)

    if (homeBlock.timestamp > lastForeignBlock.timestamp) {
      rootLogger.debug(
@ -85,7 +89,7 @@ function processInformationRequestsBuilder(config) {
        logger.info({ requestSelector, method: asyncCallMethod, data }, 'Processing async request')

        const call = asyncCalls[asyncCallMethod]
-        let [status, result] = await call(web3ForeignArchive, data, foreignClosestBlock).catch(e => {
+        let [status, result] = await call(foreign.web3Archive, data, foreignClosestBlock).catch(e => {
          if (e instanceof HttpListProviderError) {
            throw e
          }
--- a/oracle/src/events/processAffirmationRequests/estimateGas.js
+++ b/oracle/src/events/processAffirmationRequests/estimateGas.js
@ -6,11 +6,9 @@ const logger = require('../../services/logger').child({

 async function estimateGas({ web3, homeBridge, validatorContract, recipient, value, txHash, address }) {
  try {
-    const gasEstimate = await homeBridge.methods.executeAffirmation(recipient, value, txHash).estimateGas({
+    return await homeBridge.methods.executeAffirmation(recipient, value, txHash).estimateGas({
      from: address
    })
-
-    return gasEstimate
  } catch (e) {
    if (e instanceof HttpListProviderError) {
      throw e
--- a/oracle/src/events/processCollectedSignatures/estimateGas.js
+++ b/oracle/src/events/processCollectedSignatures/estimateGas.js
@ -20,8 +20,7 @@ async function estimateGas({
  signatures
 }) {
  try {
-    const gasEstimate = await foreignBridge.methods.executeSignatures(message, signatures).estimateGas()
-    return gasEstimate
+    return await foreignBridge.methods.executeSignatures(message, signatures).estimateGas()
  } catch (e) {
    if (e instanceof HttpListProviderError) {
      throw e
--- a/oracle/src/events/processSignatureRequests/estimateGas.js
+++ b/oracle/src/events/processSignatureRequests/estimateGas.js
@ -6,10 +6,9 @@ const logger = require('../../services/logger').child({

 async function estimateGas({ web3, homeBridge, validatorContract, signature, message, address }) {
  try {
-    const gasEstimate = await homeBridge.methods.submitSignature(signature, message).estimateGas({
+    return await homeBridge.methods.submitSignature(signature, message).estimateGas({
      from: address
    })
-    return gasEstimate
  } catch (e) {
    if (e instanceof HttpListProviderError) {
      throw e
--- a/oracle/src/mevSender.js
+++ b/oracle/src/mevSender.js
@ -0,0 +1,159 @@
+require('../env')
+const path = require('path')
+const BigNumber = require('bignumber.js')
+const { redis } = require('./services/redisClient')
+const logger = require('./services/logger')
+const { sendTx } = require('./tx/sendTx')
+const { getNonce, getChainId, getBlock } = require('./tx/web3')
+const { addExtraGas, checkHTTPS, watchdog } = require('./utils/utils')
+const { EXIT_CODES, EXTRA_GAS_PERCENTAGE, MAX_GAS_LIMIT } = require('./utils/constants')
+const { estimateProfit } = require('./events/processAMBCollectedSignaturesMEV')
+
+if (process.argv.length < 3) {
+  logger.error('Please check the number of arguments, config file was not provided')
+  process.exit(EXIT_CODES.GENERAL_ERROR)
+}
+
+const config = require(path.join('../config/', process.argv[2]))
+
+const { web3, mevForeign, validatorAddress } = config
+
+let chainId = 0
+let flashbotsProvider
+
+async function initialize() {
+  try {
+    const checkHttps = checkHTTPS(process.env.ORACLE_ALLOW_HTTP_FOR_RPC, logger)
+
+    web3.currentProvider.urls.forEach(checkHttps(config.id))
+
+    chainId = await getChainId(web3)
+    flashbotsProvider = await mevForeign.getFlashbotsProvider(chainId)
+    return runMain()
+  } catch (e) {
+    logger.error(e.message)
+    process.exit(EXIT_CODES.GENERAL_ERROR)
+  }
+}
+
+async function runMain() {
+  try {
+    if (redis.status === 'ready') {
+      if (config.maxProcessingTime) {
+        await watchdog(main, config.maxProcessingTime, () => {
+          logger.fatal('Max processing time reached')
+          process.exit(EXIT_CODES.MAX_TIME_REACHED)
+        })
+      } else {
+        await main()
+      }
+    }
+  } catch (e) {
+    logger.error(e)
+  }
+
+  setTimeout(runMain, config.pollingInterval)
+}
+
+async function main() {
+  try {
+    const jobs = Object.values(await redis.hgetall(config.mevJobsRedisKey)).map(JSON.parse)
+    const totalJobs = jobs.length
+
+    if (totalJobs === 0) {
+      logger.debug('Nothing to process')
+      return
+    }
+
+    const { baseFeePerGas: pendingBaseFee, number: pendingBlockNumber } = await getBlock(web3, 'pending')
+    const bestJob = pickBestJob(jobs, pendingBaseFee)
+
+    if (!bestJob) {
+      logger.info({ totalJobs, pendingBaseFee }, 'No suitable job was found, waiting for a lower gas price')
+      return
+    }
+
+    const jobLogger = logger.child({ eventTransactionHash: bestJob.transactionReference })
+
+    const maxProfit = await estimateProfit(
+      mevForeign.contract,
+      mevForeign.minGasPrice,
+      bestJob.executeData,
+      bestJob.value
+    )
+
+    if (maxProfit === '0') {
+      jobLogger.info(`No MEV opportunity found when testing with min gas price ${mevForeign.minGasPrice}, removing job`)
+      await redis.hdel(config.mevJobsRedisKey, bestJob.transactionReference)
+      return
+    }
+    jobLogger.info(`Estimated profit of ${maxProfit} when simulating with ${mevForeign.minGasPrice} gas price`)
+    bestJob.profit = maxProfit
+
+    if (new BigNumber(pendingBaseFee).gt(mevForeign.minGasPrice)) {
+      const profit = await estimateProfit(mevForeign.contract, pendingBaseFee, bestJob.executeData, bestJob.value)
+      if (profit === '0') {
+        jobLogger.info(
+          `No MEV opportunity found when testing with current gas price ${pendingBaseFee}, waiting for lower gas price`
+        )
+        bestJob.maxFeePerGas = pendingBaseFee
+        await redis.hset(config.mevJobsRedisKey, bestJob.transactionReference, JSON.stringify(bestJob))
+        return
+      }
+      jobLogger.info(`Estimated profit of ${profit} when simulating with ${pendingBaseFee} gas price`)
+    }
+
+    let gasLimit
+    if (typeof bestJob.extraGas === 'number') {
+      gasLimit = addExtraGas(bestJob.gasEstimate + bestJob.extraGas, 0, MAX_GAS_LIMIT)
+    } else {
+      gasLimit = addExtraGas(bestJob.gasEstimate, EXTRA_GAS_PERCENTAGE, MAX_GAS_LIMIT)
+    }
+
+    const nonce = await getNonce(web3, validatorAddress)
+    jobLogger.info(
+      { nonce, fromBlock: pendingBlockNumber, toBlock: pendingBlockNumber + mevForeign.bundlesPerIteration - 1 },
+      'Sending MEV bundles'
+    )
+    const txHash = await sendTx({
+      data: bestJob.data,
+      nonce,
+      value: bestJob.value,
+      gasLimit,
+      privateKey: config.validatorPrivateKey,
+      to: bestJob.to,
+      chainId,
+      web3,
+      gasPriceOptions: {
+        maxFeePerGas: bestJob.maxFeePerGas,
+        maxPriorityFeePerGas: bestJob.maxPriorityFeePerGas
+      },
+      mevOptions: {
+        provider: flashbotsProvider,
+        fromBlock: pendingBlockNumber,
+        toBlock: pendingBlockNumber + mevForeign.bundlesPerIteration - 1,
+        logger
+      }
+    })
+
+    jobLogger.info({ txHash }, `Tx generated ${txHash} for event Tx ${bestJob.transactionReference}`)
+
+    await redis.hset(config.mevJobsRedisKey, bestJob.transactionReference, JSON.stringify(bestJob))
+    jobLogger.debug(`Finished processing msg`)
+  } catch (e) {
+    logger.error(e)
+  }
+}
+
+function pickBestJob(jobs, feePerGas) {
+  const feePerGasBN = new BigNumber(feePerGas)
+  let best = null
+  jobs.forEach(job => {
+    if (feePerGasBN.lt(job.maxFeePerGas) && (!best || new BigNumber(best.profit).lt(job.profit))) {
+      best = job
+    }
+  })
+  return best
+}
+
+initialize()
--- a/oracle/src/mevWatcher.js
+++ b/oracle/src/mevWatcher.js
@ -0,0 +1,251 @@
+require('../env')
+const path = require('path')
+const { redis } = require('./services/redisClient')
+const logger = require('./services/logger')
+const { getBlockNumber, getRequiredBlockConfirmations, getEvents } = require('./tx/web3')
+const { checkHTTPS, watchdog, syncForEach } = require('./utils/utils')
+const { processCollectedSignaturesBuilder } = require('./events/processAMBCollectedSignaturesMEV')
+const {
+  EXIT_CODES,
+  BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT,
+  MAX_HISTORY_BLOCK_TO_REPROCESS
+} = require('./utils/constants')
+
+if (process.argv.length < 3) {
+  logger.error('Please check the number of arguments, config file was not provided')
+  process.exit(EXIT_CODES.GENERAL_ERROR)
+}
+
+const config = require(path.join('../config/', process.argv[2]))
+
+const processAMBCollectedSignaturesMEV = processCollectedSignaturesBuilder(config)
+
+const {
+  web3,
+  bridgeContract,
+  eventContract,
+  startBlock,
+  pollingInterval,
+  chain,
+  reprocessingOptions,
+  blockPollingLimit
+} = config.main
+const lastBlockRedisKey = `${config.id}:lastProcessedBlock`
+const lastReprocessedBlockRedisKey = `${config.id}:lastReprocessedBlock`
+const seenEventsRedisKey = `${config.id}:seenEvents`
+const mevJobsRedisKey = `${config.id}:mevJobs`
+let lastProcessedBlock = Math.max(startBlock - 1, 0)
+let lastReprocessedBlock
+let lastSeenBlockNumber = 0
+let sameBlockNumberCounter = 0
+
+async function initialize() {
+  try {
+    const checkHttps = checkHTTPS(process.env.ORACLE_ALLOW_HTTP_FOR_RPC, logger)
+
+    web3.currentProvider.urls.forEach(checkHttps(chain))
+
+    await getLastProcessedBlock()
+    await getLastReprocessedBlock()
+    runMain({ sendToQueue: saveJobsToRedis })
+  } catch (e) {
+    logger.error(e)
+    process.exit(EXIT_CODES.GENERAL_ERROR)
+  }
+}
+
+async function runMain({ sendToQueue }) {
+  try {
+    if (redis.status === 'ready') {
+      if (config.maxProcessingTime) {
+        await watchdog(() => main({ sendToQueue }), config.maxProcessingTime, () => {
+          logger.fatal('Max processing time reached')
+          process.exit(EXIT_CODES.MAX_TIME_REACHED)
+        })
+      } else {
+        await main({ sendToQueue })
+      }
+    }
+  } catch (e) {
+    logger.error(e)
+  }
+
+  setTimeout(() => {
+    runMain({ sendToQueue })
+  }, pollingInterval)
+}
+
+async function saveJobsToRedis(jobs) {
+  return syncForEach(jobs, job => redis.hset(mevJobsRedisKey, job.transactionReference, JSON.stringify(job)))
+}
+
+async function getLastProcessedBlock() {
+  const result = await redis.get(lastBlockRedisKey)
+  logger.debug({ fromRedis: result, fromConfig: lastProcessedBlock }, 'Last Processed block obtained')
+  lastProcessedBlock = result ? parseInt(result, 10) : lastProcessedBlock
+}
+
+async function getLastReprocessedBlock() {
+  if (reprocessingOptions.enabled) {
+    const result = await redis.get(lastReprocessedBlockRedisKey)
+    if (result) {
+      lastReprocessedBlock = Math.max(parseInt(result, 10), lastProcessedBlock - MAX_HISTORY_BLOCK_TO_REPROCESS)
+    } else {
+      lastReprocessedBlock = lastProcessedBlock
+    }
+    logger.debug({ block: lastReprocessedBlock }, 'Last reprocessed block obtained')
+  } else {
+    // when reprocessing is being enabled not for the first time,
+    // we do not want to process blocks for which we didn't recorded seen events,
+    // instead, we want to start from the current block.
+    // Thus we should delete this reprocessing pointer once it is disabled.
+    await redis.del(lastReprocessedBlockRedisKey)
+  }
+}
+
+function updateLastProcessedBlock(lastBlockNumber) {
+  lastProcessedBlock = lastBlockNumber
+  return redis.set(lastBlockRedisKey, lastProcessedBlock)
+}
+
+function updateLastReprocessedBlock(lastBlockNumber) {
+  lastReprocessedBlock = lastBlockNumber
+  return redis.set(lastReprocessedBlockRedisKey, lastReprocessedBlock)
+}
+
+function processEvents(events) {
+  switch (config.id) {
+    case 'amb-collected-signatures-mev':
+      return processAMBCollectedSignaturesMEV(events)
+    default:
+      return []
+  }
+}
+
+const eventKey = e => `${e.transactionHash}-${e.logIndex}`
+
+async function reprocessOldLogs(sendToQueue) {
+  const fromBlock = lastReprocessedBlock + 1
+  const toBlock = lastReprocessedBlock + reprocessingOptions.batchSize
+  const events = await getEvents({
+    contract: eventContract,
+    event: config.event,
+    fromBlock,
+    toBlock,
+    filter: config.eventFilter
+  })
+  const alreadySeenEvents = await getSeenEvents(fromBlock, toBlock)
+  const missingEvents = events.filter(e => !alreadySeenEvents[eventKey(e)])
+  if (missingEvents.length === 0) {
+    logger.debug('No missed events were found')
+  } else {
+    logger.info(`Found ${missingEvents.length} ${config.event} missed events`)
+    const job = await processEvents(missingEvents)
+    logger.info('Missed events transactions to send:', job.length)
+    if (job.length) {
+      await sendToQueue(job)
+    }
+  }
+
+  await updateLastReprocessedBlock(toBlock)
+  await deleteSeenEvents(0, toBlock)
+}
+
+async function getSeenEvents(fromBlock, toBlock) {
+  const keys = await redis.zrangebyscore(seenEventsRedisKey, fromBlock, toBlock)
+  const res = {}
+  keys.forEach(k => {
+    res[k] = true
+  })
+  return res
+}
+
+function deleteSeenEvents(fromBlock, toBlock) {
+  return redis.zremrangebyscore(seenEventsRedisKey, fromBlock, toBlock)
+}
+
+function addSeenEvents(events) {
+  return redis.zadd(seenEventsRedisKey, ...events.flatMap(e => [e.blockNumber, eventKey(e)]))
+}
+
+async function getLastBlockToProcess(web3, bridgeContract) {
+  const [lastBlockNumber, requiredBlockConfirmations] = await Promise.all([
+    getBlockNumber(web3),
+    getRequiredBlockConfirmations(bridgeContract)
+  ])
+
+  if (lastBlockNumber < lastSeenBlockNumber) {
+    sameBlockNumberCounter = 0
+    logger.warn({ lastBlockNumber, lastSeenBlockNumber }, 'Received block number less than already seen block')
+    web3.currentProvider.switchToFallbackRPC()
+  } else if (lastBlockNumber === lastSeenBlockNumber) {
+    sameBlockNumberCounter++
+    if (sameBlockNumberCounter > 1) {
+      logger.info({ lastBlockNumber, sameBlockNumberCounter }, 'Received the same block number more than twice')
+      if (sameBlockNumberCounter >= BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT) {
+        sameBlockNumberCounter = 0
+        logger.warn(
+          { lastBlockNumber, n: BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT },
+          'Received the same block number for too many times. Probably node is not synced anymore'
+        )
+        web3.currentProvider.switchToFallbackRPC()
+      }
+    }
+  } else {
+    sameBlockNumberCounter = 0
+    lastSeenBlockNumber = lastBlockNumber
+  }
+  return lastBlockNumber - requiredBlockConfirmations
+}
+
+async function main({ sendToQueue }) {
+  try {
+    const lastBlockToProcess = await getLastBlockToProcess(web3, bridgeContract)
+
+    if (reprocessingOptions.enabled) {
+      if (lastReprocessedBlock + reprocessingOptions.batchSize + reprocessingOptions.blockDelay < lastBlockToProcess) {
+        await reprocessOldLogs(sendToQueue)
+        return
+      }
+    }
+
+    if (lastBlockToProcess <= lastProcessedBlock) {
+      logger.debug('All blocks already processed')
+      return
+    }
+
+    const fromBlock = lastProcessedBlock + 1
+    const rangeEndBlock = blockPollingLimit ? fromBlock + blockPollingLimit : lastBlockToProcess
+    const toBlock = Math.min(lastBlockToProcess, rangeEndBlock)
+
+    const events = await getEvents({
+      contract: eventContract,
+      event: config.event,
+      fromBlock,
+      toBlock,
+      filter: config.eventFilter
+    })
+    logger.info(`Found ${events.length} ${config.event} events`)
+
+    if (events.length) {
+      const job = await processEvents(events)
+      logger.info('Transactions to send:', job.length)
+
+      if (job.length) {
+        await sendToQueue(job)
+      }
+      if (reprocessingOptions.enabled) {
+        await addSeenEvents(events)
+      }
+    }
+
+    logger.debug({ lastProcessedBlock: toBlock.toString() }, 'Updating last processed block')
+    await updateLastProcessedBlock(toBlock)
+  } catch (e) {
+    logger.error(e)
+  }
+
+  logger.debug('Finished')
+}
+
+initialize()
--- a/oracle/src/sender.js
+++ b/oracle/src/sender.js
@ -32,8 +32,8 @@ if (process.argv.length < 3) {

 const config = require(path.join('../config/', process.argv[2]))

-const { web3, web3Fallback } = config
-const web3Redundant = ORACLE_TX_REDUNDANCY === 'true' ? config.web3Redundant : web3
+const { web3, web3Fallback, syncCheckInterval } = config.main
+const web3Redundant = ORACLE_TX_REDUNDANCY === 'true' ? config.main.web3Redundant : web3

 const nonceKey = `${config.id}:nonce`
 let chainId = 0
@ -43,6 +43,7 @@ async function initialize() {
    const checkHttps = checkHTTPS(process.env.ORACLE_ALLOW_HTTP_FOR_RPC, logger)

    web3.currentProvider.urls.forEach(checkHttps(config.id))
+    web3.currentProvider.startSyncStateChecker(syncCheckInterval)

    GasPrice.start(config.id, web3)

@ -169,7 +170,7 @@ async function main({ msg, ackMsg, nackMsg, channel, scheduleForRetry, scheduleT
        const txHash = await sendTx({
          data: job.data,
          nonce,
-          amount: '0',
+          value: '0',
          gasLimit,
          privateKey: config.validatorPrivateKey,
          to: job.to,
--- a/oracle/src/services/HttpListProvider.js
+++ b/oracle/src/services/HttpListProvider.js
@ -1,5 +1,6 @@
 const fetch = require('node-fetch')
 const promiseRetry = require('promise-retry')
+const { utils } = require('web3')
 const { FALLBACK_RPC_URL_SWITCH_TIMEOUT } = require('../utils/constants')

 const { onInjected } = require('./injectedLogger')
@ -39,19 +40,54 @@ function HttpListProvider(urls, options = {}) {
  this.options = { ...defaultOptions, ...options }
  this.currentIndex = 0
  this.lastTimeUsedPrimary = 0
+  this.latestBlock = 0
+  this.syncStateCheckerIntervalId = 0

  onInjected(logger => {
    this.logger = logger.child({ module: `HttpListProvider:${this.options.name}` })
  })
 }

-HttpListProvider.prototype.switchToFallbackRPC = function() {
-  if (this.urls.length < 2) {
+HttpListProvider.prototype.startSyncStateChecker = function(syncCheckInterval) {
+  if (this.urls.length > 1 && syncCheckInterval > 0 && this.syncStateCheckerIntervalId === 0) {
+    this.syncStateCheckerIntervalId = setInterval(this.checkLatestBlock.bind(this), syncCheckInterval)
+  }
+}
+
+HttpListProvider.prototype.checkLatestBlock = function() {
+  const payload = { jsonrpc: '2.0', id: 1, method: 'eth_blockNumber', params: [] }
+  this.send(payload, (error, result) => {
+    if (error) {
+      this.logger.warn({ oldBlock: this.latestBlock }, 'Failed to request latest block from all RPC urls')
+    } else if (result.error) {
+      this.logger.warn(
+        { oldBlock: this.latestBlock, error: result.error.message },
+        'Failed to make eth_blockNumber request due to unknown error, switching to fallback RPC'
+      )
+      this.switchToFallbackRPC()
+    } else {
+      const blockNumber = utils.hexToNumber(result.result)
+      if (blockNumber > this.latestBlock) {
+        this.logger.debug({ oldBlock: this.latestBlock, newBlock: blockNumber }, 'Updating latest block number')
+        this.latestBlock = blockNumber
+      } else {
+        this.logger.warn(
+          { oldBlock: this.latestBlock, newBlock: blockNumber },
+          'Latest block on the node was not updated since last request, switching to fallback RPC'
+        )
+        this.switchToFallbackRPC()
+      }
+    }
+  })
+}
+
+HttpListProvider.prototype.switchToFallbackRPC = function(index) {
+  const prevIndex = this.currentIndex
+  const newIndex = index || (prevIndex + 1) % this.urls.length
+  if (this.urls.length < 2 || prevIndex === newIndex) {
    return
  }

-  const prevIndex = this.currentIndex
-  const newIndex = (prevIndex + 1) % this.urls.length
  this.logger.info(
    { index: newIndex, oldURL: this.urls[prevIndex], newURL: this.urls[newIndex] },
    'Switching to fallback JSON-RPC URL'
@ -80,11 +116,7 @@ HttpListProvider.prototype.send = async function send(payload, callback) {

    // if some of URLs failed to respond, current URL index is updated to the first URL that responded
    if (currentIndex !== index) {
-      this.logger.info(
-        { index, oldURL: this.urls[currentIndex], newURL: this.urls[index] },
-        'Switching to fallback JSON-RPC URL'
-      )
-      this.currentIndex = index
+      this.switchToFallbackRPC(index)
    }
    callback(null, result)
  } catch (e) {
--- a/oracle/src/services/web3.js
+++ b/oracle/src/services/web3.js
@ -1,4 +1,6 @@
 const Web3 = require('web3')
+const ethers = require('ethers')
+const flashbots = require('@flashbots/ethers-provider-bundle')
 const { HttpListProvider } = require('./HttpListProvider')
 const { SafeEthLogsProvider } = require('./SafeEthLogsProvider')
 const { RedundantHttpListProvider } = require('./RedundantHttpListProvider')
@ -9,6 +11,8 @@ const {
  COMMON_FOREIGN_RPC_URL,
  ORACLE_SIDE_RPC_URL,
  ORACLE_FOREIGN_ARCHIVE_RPC_URL,
+  ORACLE_MEV_FOREIGN_FLASHBOTS_RPC_URL,
+  ORACLE_MEV_FOREIGN_FLASHBOTS_AUTH_SIGNING_KEY,
  ORACLE_RPC_REQUEST_TIMEOUT,
  ORACLE_HOME_RPC_POLLING_INTERVAL,
  ORACLE_FOREIGN_RPC_POLLING_INTERVAL
@ -94,6 +98,15 @@ if (foreignUrls.length > 1) {
  web3ForeignRedundant = new Web3(redundantProvider)
 }

+let getFlashbotsProvider
+if (ORACLE_MEV_FOREIGN_FLASHBOTS_RPC_URL) {
+  const provider = new ethers.providers.JsonRpcProvider(foreignUrls[0])
+  const authSigner = new ethers.Wallet(ORACLE_MEV_FOREIGN_FLASHBOTS_AUTH_SIGNING_KEY, provider)
+
+  getFlashbotsProvider = chainId =>
+    flashbots.FlashbotsBundleProvider.create(provider, authSigner, ORACLE_MEV_FOREIGN_FLASHBOTS_RPC_URL, chainId)
+}
+
 module.exports = {
  web3Home,
  web3Foreign,
@ -102,5 +115,6 @@ module.exports = {
  web3HomeRedundant,
  web3ForeignRedundant,
  web3HomeFallback,
-  web3ForeignFallback
+  web3ForeignFallback,
+  getFlashbotsProvider
 }
--- a/oracle/src/tx/sendTx.js
+++ b/oracle/src/tx/sendTx.js
@ -1,6 +1,5 @@
-const { toWei } = require('web3').utils
-
-async function sendTx({ privateKey, data, nonce, gasPrice, gasPriceOptions, amount, gasLimit, to, chainId, web3 }) {
+async function sendTx(opts) {
+  const { privateKey, data, nonce, gasPrice, gasPriceOptions, value, gasLimit, to, chainId, web3, mevOptions } = opts
  const gasOpts = gasPriceOptions || { gasPrice }
  const serializedTx = await web3.eth.accounts.signTransaction(
    {
@ -8,19 +7,32 @@ async function sendTx({ privateKey, data, nonce, gasPrice, gasPriceOptions, amou
      chainId,
      to,
      data,
-      value: toWei(amount),
+      value,
      gas: gasLimit,
      ...gasOpts
    },
    privateKey
  )

-  return new Promise((res, rej) =>
-    web3.eth
-      .sendSignedTransaction(serializedTx.rawTransaction)
-      .once('transactionHash', res)
-      .once('error', rej)
+  if (!mevOptions) {
+    return new Promise((res, rej) =>
+      web3.eth
+        .sendSignedTransaction(serializedTx.rawTransaction)
+        .once('transactionHash', res)
+        .once('error', rej)
+    )
+  }
+
+  mevOptions.logger.debug(
+    { rawTx: serializedTx.rawTransaction, txHash: serializedTx.transactionHash },
+    'Signed MEV helper transaction'
  )
+
+  for (let blockNumber = mevOptions.fromBlock; blockNumber <= mevOptions.toBlock; blockNumber++) {
+    mevOptions.logger.debug({ txHash: serializedTx.transactionHash, blockNumber }, 'Sending MEV bundle transaction')
+    await mevOptions.provider.sendRawBundle([serializedTx.rawTransaction], blockNumber)
+  }
+  return Promise.resolve(serializedTx.transactionHash)
 }

 module.exports = {
--- a/oracle/src/utils/constants.js
+++ b/oracle/src/utils/constants.js
@ -27,7 +27,6 @@ module.exports = {
  MIN_GAS_PRICE_BUMP_FACTOR: 0.1,
  DEFAULT_TRANSACTION_RESEND_INTERVAL: 20 * 60 * 1000,
  FALLBACK_RPC_URL_SWITCH_TIMEOUT: 60 * 60 * 1000,
-  BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT: 10,
  SENDER_QUEUE_MAX_PRIORITY: 10,
  SENDER_QUEUE_SEND_PRIORITY: 5,
  SENDER_QUEUE_CHECK_STATUS_PRIORITY: 1,
--- a/oracle/src/utils/mev.js
+++ b/oracle/src/utils/mev.js
@ -0,0 +1,43 @@
+const MEV_HELPER_ABI = [
+  {
+    constant: false,
+    inputs: [
+      {
+        name: '_data',
+        type: 'bytes'
+      }
+    ],
+    name: 'execute',
+    outputs: [],
+    payable: false,
+    stateMutability: 'nonpayable',
+    type: 'function'
+  },
+  {
+    constant: false,
+    inputs: [
+      {
+        name: '_gasPrice',
+        type: 'uint256'
+      },
+      {
+        name: '_data',
+        type: 'bytes'
+      }
+    ],
+    name: 'estimateProfit',
+    outputs: [
+      {
+        name: '',
+        type: 'uint256'
+      }
+    ],
+    payable: true,
+    stateMutability: 'nonpayable',
+    type: 'function'
+  }
+]
+
+module.exports = {
+  MEV_HELPER_ABI
+}
--- a/oracle/src/utils/utils.js
+++ b/oracle/src/utils/utils.js
@ -169,7 +169,8 @@ function isNonceError(e) {
    message.includes('transaction nonce is too low') ||
    message.includes('nonce too low') ||
    message.includes('transaction with same nonce in the queue') ||
-    message.includes('oldnonce')
+    message.includes('oldnonce') ||
+    message.includes(`the tx doesn't have the correct nonce`)
  )
 }

--- a/oracle/src/watcher.js
+++ b/oracle/src/watcher.js
@ -6,11 +6,7 @@ const logger = require('./services/logger')
 const { getShutdownFlag } = require('./services/shutdownState')
 const { getBlockNumber, getRequiredBlockConfirmations, getEvents } = require('./tx/web3')
 const { checkHTTPS, watchdog } = require('./utils/utils')
-const {
-  EXIT_CODES,
-  BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT,
-  MAX_HISTORY_BLOCK_TO_REPROCESS
-} = require('./utils/constants')
+const { EXIT_CODES, MAX_HISTORY_BLOCK_TO_REPROCESS } = require('./utils/constants')

 if (process.argv.length < 3) {
  logger.error('Please check the number of arguments, config file was not provided')
@ -30,20 +26,29 @@ const processAMBInformationRequests = require('./events/processAMBInformationReq

 const { getTokensState } = require('./utils/tokenState')

-const { web3, bridgeContract, eventContract, startBlock, pollingInterval, chain, reprocessingOptions } = config.main
+const {
+  web3,
+  bridgeContract,
+  eventContract,
+  startBlock,
+  pollingInterval,
+  chain,
+  reprocessingOptions,
+  blockPollingLimit,
+  syncCheckInterval
+} = config.main
 const lastBlockRedisKey = `${config.id}:lastProcessedBlock`
 const lastReprocessedBlockRedisKey = `${config.id}:lastReprocessedBlock`
 const seenEventsRedisKey = `${config.id}:seenEvents`
 let lastProcessedBlock = Math.max(startBlock - 1, 0)
 let lastReprocessedBlock
-let lastSeenBlockNumber = 0
-let sameBlockNumberCounter = 0

 async function initialize() {
  try {
    const checkHttps = checkHTTPS(process.env.ORACLE_ALLOW_HTTP_FOR_RPC, logger)

    web3.currentProvider.urls.forEach(checkHttps(chain))
+    web3.currentProvider.startSyncStateChecker(syncCheckInterval)

    await getLastProcessedBlock()
    await getLastReprocessedBlock()
@ -216,28 +221,6 @@ async function getLastBlockToProcess(web3, bridgeContract) {
    getBlockNumber(web3),
    getRequiredBlockConfirmations(bridgeContract)
  ])
-
-  if (lastBlockNumber < lastSeenBlockNumber) {
-    sameBlockNumberCounter = 0
-    logger.warn({ lastBlockNumber, lastSeenBlockNumber }, 'Received block number less than already seen block')
-    web3.currentProvider.switchToFallbackRPC()
-  } else if (lastBlockNumber === lastSeenBlockNumber) {
-    sameBlockNumberCounter++
-    if (sameBlockNumberCounter > 1) {
-      logger.info({ lastBlockNumber, sameBlockNumberCounter }, 'Received the same block number more than twice')
-      if (sameBlockNumberCounter >= BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT) {
-        sameBlockNumberCounter = 0
-        logger.warn(
-          { lastBlockNumber, n: BLOCK_NUMBER_PROGRESS_ITERATIONS_LIMIT },
-          'Received the same block number for too many times. Probably node is not synced anymore'
-        )
-        web3.currentProvider.switchToFallbackRPC()
-      }
-    }
-  } else {
-    sameBlockNumberCounter = 0
-    lastSeenBlockNumber = lastBlockNumber
-  }
  return lastBlockNumber - requiredBlockConfirmations
 }

@ -268,7 +251,7 @@ async function main({ sendToQueue }) {
    }

    const fromBlock = lastProcessedBlock + 1
-    const rangeEndBlock = config.blockPollingLimit ? fromBlock + config.blockPollingLimit : lastBlockToProcess
+    const rangeEndBlock = blockPollingLimit ? fromBlock + blockPollingLimit : lastBlockToProcess
    let toBlock = Math.min(lastBlockToProcess, rangeEndBlock)

    let events = await getEvents({
--- a/yarn.lock
+++ b/yarn.lock
@ -1337,6 +1337,34 @@
    "@ethersproject/properties" "^5.0.3"
    "@ethersproject/strings" "^5.0.4"

+"@ethersproject/abi@5.5.0", "@ethersproject/abi@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.5.0.tgz#fb52820e22e50b854ff15ce1647cc508d6660613"
+  integrity sha512-loW7I4AohP5KycATvc0MgujU6JyCHPqHdeoo9z3Nr9xEiNioxa65ccdm1+fsoJhkuhdRtfcL8cfyGamz2AxZ5w==
+  dependencies:
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/hash" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+
+"@ethersproject/abstract-provider@5.5.1", "@ethersproject/abstract-provider@^5.5.0":
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.5.1.tgz#2f1f6e8a3ab7d378d8ad0b5718460f85649710c5"
+  integrity sha512-m+MA/ful6eKbxpr99xUYeRvLkfnlqzrF8SZ46d/xFB1A7ZVknYc/sXJG0RcufF52Qn2jeFj1hhcoQ7IXjNKUqg==
+  dependencies:
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/networks" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+    "@ethersproject/web" "^5.5.0"
+
 "@ethersproject/abstract-provider@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.1.0.tgz#1f24c56cda5524ef4ed3cfc562a01d6b6f8eeb0b"
@ -1350,6 +1378,17 @@
    "@ethersproject/transactions" "^5.1.0"
    "@ethersproject/web" "^5.1.0"

+"@ethersproject/abstract-signer@5.5.0", "@ethersproject/abstract-signer@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.5.0.tgz#590ff6693370c60ae376bf1c7ada59eb2a8dd08d"
+  integrity sha512-lj//7r250MXVLKI7sVarXAbZXbv9P50lgmJQGr2/is82EwEb8r7HrxsmMqAjTsztMYy7ohrIhGMIml+Gx4D3mA==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+
 "@ethersproject/abstract-signer@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.1.0.tgz#744c7a2d0ebe3cc0bc38294d0f53d5ca3f4e49e3"
@ -1361,6 +1400,17 @@
    "@ethersproject/logger" "^5.1.0"
    "@ethersproject/properties" "^5.1.0"

+"@ethersproject/address@5.5.0", "@ethersproject/address@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.5.0.tgz#bcc6f576a553f21f3dd7ba17248f81b473c9c78f"
+  integrity sha512-l4Nj0eWlTUh6ro5IbPTgbpT4wRbdH5l8CQf7icF7sb/SI3Nhd9Y9HzhonTSTi6CefI0necIw7LJqQPopPLZyWw==
+  dependencies:
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/rlp" "^5.5.0"
+
 "@ethersproject/address@>=5.0.0-beta.128", "@ethersproject/address@^5.0.4", "@ethersproject/address@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.1.0.tgz#3854fd7ebcb6af7597de66f847c3345dae735b58"
@ -1372,6 +1422,13 @@
    "@ethersproject/logger" "^5.1.0"
    "@ethersproject/rlp" "^5.1.0"

+"@ethersproject/base64@5.5.0", "@ethersproject/base64@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.5.0.tgz#881e8544e47ed976930836986e5eb8fab259c090"
+  integrity sha512-tdayUKhU1ljrlHzEWbStXazDpsx4eg1dBXUSI6+mHlYklOXoXF6lZvw8tnD6oVaWfnMxAgRSKROg3cVKtCcppA==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+
 "@ethersproject/base64@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.1.0.tgz#27240c174d0a4e13f6eae87416fd876caf7f42b6"
@ -1379,6 +1436,23 @@
  dependencies:
    "@ethersproject/bytes" "^5.1.0"

+"@ethersproject/basex@5.5.0", "@ethersproject/basex@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.5.0.tgz#e40a53ae6d6b09ab4d977bd037010d4bed21b4d3"
+  integrity sha512-ZIodwhHpVJ0Y3hUCfUucmxKsWQA5TMnavp5j/UOuDdzZWzJlRmuOjcTMIGgHCYuZmHt36BfiSyQPSRskPxbfaQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+
+"@ethersproject/bignumber@5.5.0", "@ethersproject/bignumber@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.5.0.tgz#875b143f04a216f4f8b96245bde942d42d279527"
+  integrity sha512-6Xytlwvy6Rn3U3gKEc1vP7nR92frHkv6wtVr95LFR3jREXiCPzdWxKQ1cx4JGQBXxcguAwjA8murlYN2TSiEbg==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    bn.js "^4.11.9"
+
 "@ethersproject/bignumber@>=5.0.0-beta.130", "@ethersproject/bignumber@^5.0.7", "@ethersproject/bignumber@^5.1.0":
  version "5.1.1"
  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.1.1.tgz#84812695253ccbc639117f7ac49ee1529b68e637"
@ -1388,6 +1462,13 @@
    "@ethersproject/logger" "^5.1.0"
    bn.js "^4.4.0"

+"@ethersproject/bytes@5.5.0", "@ethersproject/bytes@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.5.0.tgz#cb11c526de657e7b45d2e0f0246fb3b9d29a601c"
+  integrity sha512-ABvc7BHWhZU9PNM/tANm/Qx4ostPGadAuQzWTr3doklZOhDlmcBqclrQe/ZXUIj3K8wC28oYeuRa+A37tX9kog==
+  dependencies:
+    "@ethersproject/logger" "^5.5.0"
+
 "@ethersproject/bytes@>=5.0.0-beta.129", "@ethersproject/bytes@^5.0.4", "@ethersproject/bytes@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.1.0.tgz#55dfa9c4c21df1b1b538be3accb50fb76d5facfd"
@ -1395,6 +1476,13 @@
  dependencies:
    "@ethersproject/logger" "^5.1.0"

+"@ethersproject/constants@5.5.0", "@ethersproject/constants@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.5.0.tgz#d2a2cd7d94bd1d58377d1d66c4f53c9be4d0a45e"
+  integrity sha512-2MsRRVChkvMWR+GyMGY4N1sAX9Mt3J9KykCsgUFd/1mwS0UH1qw+Bv9k1UJb3X3YJYFco9H20pjSlOIfCG5HYQ==
+  dependencies:
+    "@ethersproject/bignumber" "^5.5.0"
+
 "@ethersproject/constants@>=5.0.0-beta.128", "@ethersproject/constants@^5.0.4", "@ethersproject/constants@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.1.0.tgz#4e7da6367ea0e9be87585d8b09f3fccf384b1452"
@ -1402,6 +1490,36 @@
  dependencies:
    "@ethersproject/bignumber" "^5.1.0"

+"@ethersproject/contracts@5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/contracts/-/contracts-5.5.0.tgz#b735260d4bd61283a670a82d5275e2a38892c197"
+  integrity sha512-2viY7NzyvJkh+Ug17v7g3/IJC8HqZBDcOjYARZLdzRxrfGlRgmYgl6xPRKVbEzy1dWKw/iv7chDcS83pg6cLxg==
+  dependencies:
+    "@ethersproject/abi" "^5.5.0"
+    "@ethersproject/abstract-provider" "^5.5.0"
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+
+"@ethersproject/hash@5.5.0", "@ethersproject/hash@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.5.0.tgz#7cee76d08f88d1873574c849e0207dcb32380cc9"
+  integrity sha512-dnGVpK1WtBjmnp3mUT0PlU2MpapnwWI0PibldQEq1408tQBAbZpPidkWoVVuNMOl/lISO3+4hXZWCL3YV7qzfg==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+
 "@ethersproject/hash@>=5.0.0-beta.128", "@ethersproject/hash@^5.0.4":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.1.0.tgz#40961d64837d57f580b7b055e0d74174876d891e"
@ -1416,6 +1534,51 @@
    "@ethersproject/properties" "^5.1.0"
    "@ethersproject/strings" "^5.1.0"

+"@ethersproject/hdnode@5.5.0", "@ethersproject/hdnode@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hdnode/-/hdnode-5.5.0.tgz#4a04e28f41c546f7c978528ea1575206a200ddf6"
+  integrity sha512-mcSOo9zeUg1L0CoJH7zmxwUG5ggQHU1UrRf8jyTYy6HxdZV+r0PBoL1bxr+JHIPXRzS6u/UW4mEn43y0tmyF8Q==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/basex" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/pbkdf2" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/sha2" "^5.5.0"
+    "@ethersproject/signing-key" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+    "@ethersproject/wordlists" "^5.5.0"
+
+"@ethersproject/json-wallets@5.5.0", "@ethersproject/json-wallets@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/json-wallets/-/json-wallets-5.5.0.tgz#dd522d4297e15bccc8e1427d247ec8376b60e325"
+  integrity sha512-9lA21XQnCdcS72xlBn1jfQdj2A1VUxZzOzi9UkNdnokNKke/9Ya2xA9aIK1SC3PQyBDLt4C+dfps7ULpkvKikQ==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/hdnode" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/pbkdf2" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/random" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+    aes-js "3.0.0"
+    scrypt-js "3.0.1"
+
+"@ethersproject/keccak256@5.5.0", "@ethersproject/keccak256@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.5.0.tgz#e4b1f9d7701da87c564ffe336f86dcee82983492"
+  integrity sha512-5VoFCTjo2rYbBe1l2f4mccaRFN/4VQEYFwwn04aJV2h7qf4ZvI2wFxUE1XOX+snbwCLRzIeikOqtAoPwMza9kg==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    js-sha3 "0.8.0"
+
 "@ethersproject/keccak256@>=5.0.0-beta.127", "@ethersproject/keccak256@^5.0.0-beta.130", "@ethersproject/keccak256@^5.0.3", "@ethersproject/keccak256@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.1.0.tgz#fdcd88fb13bfef4271b225cdd8dec4d315c8e60e"
@ -1424,11 +1587,23 @@
    "@ethersproject/bytes" "^5.1.0"
    js-sha3 "0.5.7"

+"@ethersproject/logger@5.5.0", "@ethersproject/logger@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.5.0.tgz#0c2caebeff98e10aefa5aef27d7441c7fd18cf5d"
+  integrity sha512-rIY/6WPm7T8n3qS2vuHTUBPdXHl+rGxWxW5okDfo9J4Z0+gRRZT0msvUdIJkE4/HS29GUMziwGaaKO2bWONBrg==
+
 "@ethersproject/logger@>=5.0.0-beta.129", "@ethersproject/logger@^5.0.5", "@ethersproject/logger@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.1.0.tgz#4cdeeefac029373349d5818f39c31b82cc6d9bbf"
  integrity sha512-wtUaD1lBX10HBXjjKV9VHCBnTdUaKQnQ2XSET1ezglqLdPdllNOIlLfhyCRqXm5xwcjExVI5ETokOYfjPtaAlw==

+"@ethersproject/networks@5.5.2", "@ethersproject/networks@^5.5.0":
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.5.2.tgz#784c8b1283cd2a931114ab428dae1bd00c07630b"
+  integrity sha512-NEqPxbGBfy6O3x4ZTISb90SjEDkWYDUbEeIFhJly0F7sZjoQMnj5KYzMSkMkLKZ+1fGpx00EDpHQCy6PrDupkQ==
+  dependencies:
+    "@ethersproject/logger" "^5.5.0"
+
 "@ethersproject/networks@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.1.0.tgz#f537290cb05aa6dc5e81e910926c04cfd5814bca"
@ -1436,6 +1611,21 @@
  dependencies:
    "@ethersproject/logger" "^5.1.0"

+"@ethersproject/pbkdf2@5.5.0", "@ethersproject/pbkdf2@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/pbkdf2/-/pbkdf2-5.5.0.tgz#e25032cdf02f31505d47afbf9c3e000d95c4a050"
+  integrity sha512-SaDvQFvXPnz1QGpzr6/HToLifftSXGoXrbpZ6BvoZhmx4bNLHrxDe8MZisuecyOziP1aVEwzC2Hasj+86TgWVg==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/sha2" "^5.5.0"
+
+"@ethersproject/properties@5.5.0", "@ethersproject/properties@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.5.0.tgz#61f00f2bb83376d2071baab02245f92070c59995"
+  integrity sha512-l3zRQg3JkD8EL3CPjNK5g7kMx4qSwiR60/uk5IVjd3oq1MZR5qUg40CNOoEJoX5wc3DyY5bt9EbMk86C7x0DNA==
+  dependencies:
+    "@ethersproject/logger" "^5.5.0"
+
 "@ethersproject/properties@>=5.0.0-beta.131", "@ethersproject/properties@^5.0.3", "@ethersproject/properties@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.1.0.tgz#9484bd6def16595fc6e4bdc26f29dff4d3f6ac42"
@ -1443,6 +1633,47 @@
  dependencies:
    "@ethersproject/logger" "^5.1.0"

+"@ethersproject/providers@5.5.2":
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.5.2.tgz#131ccf52dc17afd0ab69ed444b8c0e3a27297d99"
+  integrity sha512-hkbx7x/MKcRjyrO4StKXCzCpWer6s97xnm34xkfPiarhtEUVAN4TBBpamM+z66WcTt7H5B53YwbRj1n7i8pZoQ==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.5.0"
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/basex" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/hash" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/networks" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/random" "^5.5.0"
+    "@ethersproject/rlp" "^5.5.0"
+    "@ethersproject/sha2" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+    "@ethersproject/web" "^5.5.0"
+    bech32 "1.1.4"
+    ws "7.4.6"
+
+"@ethersproject/random@5.5.1", "@ethersproject/random@^5.5.0":
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/random/-/random-5.5.1.tgz#7cdf38ea93dc0b1ed1d8e480ccdaf3535c555415"
+  integrity sha512-YaU2dQ7DuhL5Au7KbcQLHxcRHfgyNgvFV4sQOo0HrtW3Zkrc9ctWNz8wXQ4uCSfSDsqX2vcjhroxU5RQRV0nqA==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+
+"@ethersproject/rlp@5.5.0", "@ethersproject/rlp@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.5.0.tgz#530f4f608f9ca9d4f89c24ab95db58ab56ab99a0"
+  integrity sha512-hLv8XaQ8PTI9g2RHoQGf/WSxBfTB/NudRacbzdxmst5VHAqd1sMibWG7SENzT5Dj3yZ3kJYx+WiRYEcQTAkcYA==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+
 "@ethersproject/rlp@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.1.0.tgz#700f4f071c27fa298d3c1d637485fefe919dd084"
@ -1451,6 +1682,27 @@
    "@ethersproject/bytes" "^5.1.0"
    "@ethersproject/logger" "^5.1.0"

+"@ethersproject/sha2@5.5.0", "@ethersproject/sha2@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.5.0.tgz#a40a054c61f98fd9eee99af2c3cc6ff57ec24db7"
+  integrity sha512-B5UBoglbCiHamRVPLA110J+2uqsifpZaTmid2/7W5rbtYVz6gus6/hSDieIU/6gaKIDcOj12WnOdiymEUHIAOA==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    hash.js "1.1.7"
+
+"@ethersproject/signing-key@5.5.0", "@ethersproject/signing-key@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.5.0.tgz#2aa37169ce7e01e3e80f2c14325f624c29cedbe0"
+  integrity sha512-5VmseH7qjtNmDdZBswavhotYbWB0bOwKIlOTSlX14rKn5c11QmJwGt4GHeo7NrL/Ycl7uo9AHvEqs5xZgFBTng==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    bn.js "^4.11.9"
+    elliptic "6.5.4"
+    hash.js "1.1.7"
+
 "@ethersproject/signing-key@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.1.0.tgz#6eddfbddb6826b597b9650e01acf817bf8991b9c"
@ -1462,6 +1714,27 @@
    bn.js "^4.4.0"
    elliptic "6.5.4"

+"@ethersproject/solidity@5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.5.0.tgz#2662eb3e5da471b85a20531e420054278362f93f"
+  integrity sha512-9NgZs9LhGMj6aCtHXhtmFQ4AN4sth5HuFXVvAQtzmm0jpSCNOTGtrHZJAeYTh7MBjRR8brylWZxBZR9zDStXbw==
+  dependencies:
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/sha2" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+
+"@ethersproject/strings@5.5.0", "@ethersproject/strings@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.5.0.tgz#e6784d00ec6c57710755699003bc747e98c5d549"
+  integrity sha512-9fy3TtF5LrX/wTrBaT8FGE6TDJyVjOvXynXJz5MT5azq+E6D92zuKNx7i29sWW2FjVOaWjAsiZ1ZWznuduTIIQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+
 "@ethersproject/strings@>=5.0.0-beta.130", "@ethersproject/strings@^5.0.4", "@ethersproject/strings@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.1.0.tgz#0f95a56c3c8c9d5510a06c241d818779750e2da5"
@ -1471,6 +1744,21 @@
    "@ethersproject/constants" "^5.1.0"
    "@ethersproject/logger" "^5.1.0"

+"@ethersproject/transactions@5.5.0", "@ethersproject/transactions@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.5.0.tgz#7e9bf72e97bcdf69db34fe0d59e2f4203c7a2908"
+  integrity sha512-9RZYSKX26KfzEd/1eqvv8pLauCKzDTub0Ko4LfIgaERvRuwyaNV78mJs7cpIgZaDl6RJui4o49lHwwCM0526zA==
+  dependencies:
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/rlp" "^5.5.0"
+    "@ethersproject/signing-key" "^5.5.0"
+
 "@ethersproject/transactions@^5.0.0-beta.135", "@ethersproject/transactions@^5.1.0":
  version "5.1.1"
  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.1.1.tgz#5a6bbb25fb062c3cc75eb0db12faefcdd3870813"
@ -1486,6 +1774,47 @@
    "@ethersproject/rlp" "^5.1.0"
    "@ethersproject/signing-key" "^5.1.0"

+"@ethersproject/units@5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/units/-/units-5.5.0.tgz#104d02db5b5dc42cc672cc4587bafb87a95ee45e"
+  integrity sha512-7+DpjiZk4v6wrikj+TCyWWa9dXLNU73tSTa7n0TSJDxkYbV3Yf1eRh9ToMLlZtuctNYu9RDNNy2USq3AdqSbag==
+  dependencies:
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/constants" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+
+"@ethersproject/wallet@5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wallet/-/wallet-5.5.0.tgz#322a10527a440ece593980dca6182f17d54eae75"
+  integrity sha512-Mlu13hIctSYaZmUOo7r2PhNSd8eaMPVXe1wxrz4w4FCE4tDYBywDH+bAR1Xz2ADyXGwqYMwstzTrtUVIsKDO0Q==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.5.0"
+    "@ethersproject/abstract-signer" "^5.5.0"
+    "@ethersproject/address" "^5.5.0"
+    "@ethersproject/bignumber" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/hash" "^5.5.0"
+    "@ethersproject/hdnode" "^5.5.0"
+    "@ethersproject/json-wallets" "^5.5.0"
+    "@ethersproject/keccak256" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/random" "^5.5.0"
+    "@ethersproject/signing-key" "^5.5.0"
+    "@ethersproject/transactions" "^5.5.0"
+    "@ethersproject/wordlists" "^5.5.0"
+
+"@ethersproject/web@5.5.1", "@ethersproject/web@^5.5.0":
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.5.1.tgz#cfcc4a074a6936c657878ac58917a61341681316"
+  integrity sha512-olvLvc1CB12sREc1ROPSHTdFCdvMh0J5GSJYiQg2D0hdD4QmJDy8QYDb1CvoqD/bF1c++aeKv2sR5uduuG9dQg==
+  dependencies:
+    "@ethersproject/base64" "^5.5.0"
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+
 "@ethersproject/web@^5.1.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.1.0.tgz#ed56bbe4e3d9a8ffe3b2ed882da5c62d3551381b"
@ -1497,6 +1826,17 @@
    "@ethersproject/properties" "^5.1.0"
    "@ethersproject/strings" "^5.1.0"

+"@ethersproject/wordlists@5.5.0", "@ethersproject/wordlists@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/wordlists/-/wordlists-5.5.0.tgz#aac74963aa43e643638e5172353d931b347d584f"
+  integrity sha512-bL0UTReWDiaQJJYOC9sh/XcRu/9i2jMrzf8VLRmPKx58ckSlOJiohODkECCO50dtLZHcGU6MLXQ4OOrgBwP77Q==
+  dependencies:
+    "@ethersproject/bytes" "^5.5.0"
+    "@ethersproject/hash" "^5.5.0"
+    "@ethersproject/logger" "^5.5.0"
+    "@ethersproject/properties" "^5.5.0"
+    "@ethersproject/strings" "^5.5.0"
+
 "@evocateur/libnpmaccess@^3.1.2":
  version "3.1.2"
  resolved "https://registry.yarnpkg.com/@evocateur/libnpmaccess/-/libnpmaccess-3.1.2.tgz#ecf7f6ce6b004e9f942b098d92200be4a4b1c845"
@ -1576,6 +1916,14 @@
  resolved "https://registry.yarnpkg.com/@findeth/abi/-/abi-0.7.1.tgz#60d0801cb252e587dc3228f00c00581bb748aebc"
  integrity sha512-9uNu+/UxeuIibxIB7slf7BGG2PWjgBZr+rKzohhLb7VuoZjmlCcKZkenqwErROxkPdsap7OGO/o1DuYMvObMvw==

+"@flashbots/ethers-provider-bundle@^0.4.3":
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/@flashbots/ethers-provider-bundle/-/ethers-provider-bundle-0.4.3.tgz#d8d23684eb02829181672176b110bc262195ec48"
+  integrity sha512-vH5XhdNjFDG3+m2rHa4TBf7ljv+LDdtWldZCEmwmCggZN70cb2J1x7DlNROT/tE4keTMUjydMs4CfAOOyKc6UQ==
+  dependencies:
+    ts-node "^9.1.0"
+    typescript "^4.1.2"
+
 "@graphql-tools/batch-delegate@^6.2.4", "@graphql-tools/batch-delegate@^6.2.6":
  version "6.2.6"
  resolved "https://registry.yarnpkg.com/@graphql-tools/batch-delegate/-/batch-delegate-6.2.6.tgz#fbea98dc825f87ef29ea5f3f371912c2a2aa2f2c"
@ -6665,6 +7013,11 @@ bcrypt-pbkdf@^1.0.0:
  dependencies:
    tweetnacl "^0.14.3"

+bech32@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.4.tgz#e38c9f37bf179b8eb16ae3a772b40c356d4832e9"
+  integrity sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==
+
 bech32@=1.1.3:
  version "1.1.3"
  resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.3.tgz#bd47a8986bbb3eec34a56a097a84b8d3e9a2dfcd"
@ -8482,6 +8835,11 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
    safe-buffer "^5.0.1"
    sha.js "^2.4.8"

+create-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
+  integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
+
 cross-fetch@3.0.6:
  version "3.0.6"
  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.0.6.tgz#3a4040bc8941e653e0e9cf17f29ebcd177d3365c"
@ -10831,6 +11189,42 @@ ethers@^4.0.32, ethers@^4.0.40:
    uuid "2.0.1"
    xmlhttprequest "1.8.0"

+ethers@^5.5.3:
+  version "5.5.3"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-5.5.3.tgz#1e361516711c0c3244b6210e7e3ecabf0c75fca0"
+  integrity sha512-fTT4WT8/hTe/BLwRUtl7I5zlpF3XC3P/Xwqxc5AIP2HGlH15qpmjs0Ou78az93b1rLITzXLFxoNX63B8ZbUd7g==
+  dependencies:
+    "@ethersproject/abi" "5.5.0"
+    "@ethersproject/abstract-provider" "5.5.1"
+    "@ethersproject/abstract-signer" "5.5.0"
+    "@ethersproject/address" "5.5.0"
+    "@ethersproject/base64" "5.5.0"
+    "@ethersproject/basex" "5.5.0"
+    "@ethersproject/bignumber" "5.5.0"
+    "@ethersproject/bytes" "5.5.0"
+    "@ethersproject/constants" "5.5.0"
+    "@ethersproject/contracts" "5.5.0"
+    "@ethersproject/hash" "5.5.0"
+    "@ethersproject/hdnode" "5.5.0"
+    "@ethersproject/json-wallets" "5.5.0"
+    "@ethersproject/keccak256" "5.5.0"
+    "@ethersproject/logger" "5.5.0"
+    "@ethersproject/networks" "5.5.2"
+    "@ethersproject/pbkdf2" "5.5.0"
+    "@ethersproject/properties" "5.5.0"
+    "@ethersproject/providers" "5.5.2"
+    "@ethersproject/random" "5.5.1"
+    "@ethersproject/rlp" "5.5.0"
+    "@ethersproject/sha2" "5.5.0"
+    "@ethersproject/signing-key" "5.5.0"
+    "@ethersproject/solidity" "5.5.0"
+    "@ethersproject/strings" "5.5.0"
+    "@ethersproject/transactions" "5.5.0"
+    "@ethersproject/units" "5.5.0"
+    "@ethersproject/wallet" "5.5.0"
+    "@ethersproject/web" "5.5.1"
+    "@ethersproject/wordlists" "5.5.0"
+
 ethjs-unit@0.1.6:
  version "0.1.6"
  resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
@ -12601,7 +12995,7 @@ hash.js@1.1.3:
    inherits "^2.0.3"
    minimalistic-assert "^1.0.0"

-hash.js@^1.0.0, hash.js@^1.0.3, hash.js@^1.1.7:
+hash.js@1.1.7, hash.js@^1.0.0, hash.js@^1.0.3, hash.js@^1.1.7:
  version "1.1.7"
  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
@ -14709,16 +15103,16 @@ js-sha3@0.5.7, js-sha3@^0.5.7:
  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
  integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=

+js-sha3@0.8.0, js-sha3@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 js-sha3@^0.6.1:
  version "0.6.1"
  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
  integrity sha1-W4n3enR3Z5h39YxKB1JAk0sflcA=

-js-sha3@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
-  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
-
 js-tokens@^3.0.0, js-tokens@^3.0.2:
  version "3.0.2"
  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
@ -16720,9 +17114,9 @@ nanoid@^3.1.12, nanoid@^3.1.3:
  integrity sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==

 nanoid@^3.1.28:
-  version "3.1.30"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.30.tgz#63f93cc548d2a113dc5dfbc63bfa09e2b9b64362"
-  integrity sha512-zJpuPDwOv8D2zq2WRoMe1HsfZthVewpel9CAvTfc/2mBD1uUT/agc5f7GHGWXlYkFvi1mVxe4IjvP2HNrop7nQ==
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.2.0.tgz#62667522da6673971cca916a6d3eff3f415ff80c"
+  integrity sha512-fmsZYa9lpn69Ad5eDn7FMcnnSR+8R34W9qJEijxYhTbfOWzr22n1QxCMzXLK+ODyW2973V3Fux959iQoUxzUIA==

 nanomatch@^1.2.9:
  version "1.2.13"
@ -20950,7 +21344,7 @@ scrypt-js@2.0.4:
  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
  integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==

-scrypt-js@^3.0.0, scrypt-js@^3.0.1:
+scrypt-js@3.0.1, scrypt-js@^3.0.0, scrypt-js@^3.0.1:
  version "3.0.1"
  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
@ -21580,6 +21974,14 @@ source-map-support@^0.5.16, source-map-support@^0.5.3, source-map-support@^0.5.6
    buffer-from "^1.0.0"
    source-map "^0.6.0"

+source-map-support@^0.5.17:
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
  version "0.4.0"
  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@ -22891,6 +23293,18 @@ ts-node@^8.0.2:
    source-map-support "^0.5.6"
    yn "3.1.1"

+ts-node@^9.1.0:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-9.1.1.tgz#51a9a450a3e959401bda5f004a72d54b936d376d"
+  integrity sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==
+  dependencies:
+    arg "^4.1.0"
+    create-require "^1.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
 ts-pnp@1.1.2, ts-pnp@^1.0.0:
  version "1.1.2"
  resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.1.2.tgz#be8e4bfce5d00f0f58e0666a82260c34a57af552"
@ -23051,6 +23465,11 @@ typescript@^3.5.2:
  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==

+typescript@^4.1.2:
+  version "4.5.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.5.tgz#d8c953832d28924a9e3d37c73d729c846c5896f3"
+  integrity sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==
+
 ua-parser-js@^0.7.18:
  version "0.7.28"
  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.28.tgz#8ba04e653f35ce210239c64661685bf9121dec31"
@ -25772,6 +26191,11 @@ ws@7.4.5, ws@^7.2.1, ws@^7.2.3, ws@^7.3.1, ws@^7.4.3:
  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.5.tgz#a484dd851e9beb6fdb420027e3885e8ce48986c1"
  integrity sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g==

+ws@7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
+
 ws@^3.0.0:
  version "3.3.3"
  resolved "https://registry.yarnpkg.com/ws/-/ws-3.3.3.tgz#f1cf84fe2d5e901ebce94efaece785f187a228f2"
Author	SHA1	Message	Date
Tornado Contrib	ce515a8635	Improve contract fetching Some checks failed tokenbridge / initialize (push) Has been cancelled Details tokenbridge / build-e2e-images (push) Has been cancelled Details tokenbridge / build-molecule-runner (push) Has been cancelled Details tokenbridge / validate (build) (push) Has been cancelled Details tokenbridge / validate (lint) (push) Has been cancelled Details tokenbridge / validate (test) (push) Has been cancelled Details tokenbridge / e2e (alm-e2e, true) (push) Has been cancelled Details tokenbridge / e2e (monitor-e2e) (push) Has been cancelled Details tokenbridge / e2e (oracle-e2e) (push) Has been cancelled Details tokenbridge / deployment (monitor) (push) Has been cancelled Details tokenbridge / deployment (multiple) (push) Has been cancelled Details tokenbridge / deployment (oracle) (push) Has been cancelled Details tokenbridge / deployment (repo) (push) Has been cancelled Details tokenbridge / ultimate (amb) (push) Has been cancelled Details tokenbridge / ultimate (erc-to-native) (push) Has been cancelled Details	2024-05-08 23:45:31 +00:00
Alexander Kolotov	961b12b9f3	Naming convention for oracle (#661 )	2022-10-28 14:07:02 +03:00
Alexander Kolotov	ff9f3fb7d6	Merge the develop branch to the master branch, preparation to v3.7.0 This merge contains the following set of changes: * [Oracle, Improvement] Periodic check for RPC sync state (#656)	2022-05-25 14:09:36 +03:00
Kirill Fedoseev	297cb67895	Periodic check for RPC sync state (#656 )	2022-05-25 13:54:47 +03:00
Alexander Kolotov	bcf16144c1	Merge the develop branch to the master branch, preparation to v3.6.0 This merge contains the following set of changes: * [Oracle, Fix] Add missing Ganache nonce error message (#651) * [ALM, Improvement] ALM: show manually added signatures (#653)	2022-04-29 19:13:41 +03:00
Kirill Fedoseev	16f3e9add6	ALM: show manually added signatures (#653 )	2022-04-29 16:38:08 +03:00
Ho Xuan Cuong	4af882b0ff	Add missing Ganache nonce error message (#651 )	2022-04-08 13:26:55 +04:00
Alexander Kolotov	dbaf7feca7	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	2022-03-18 17:07:42 +03:00
Kirill Fedoseev	735aa75f81	ALM: reorder warnings	2022-03-17 17:41:33 +04:00
Kirill Fedoseev	910c3759c1	ALM: warning for auto-relayed messages (#644 )	2022-03-17 14:11:14 +03:00
Kirill Fedoseev	9c2d2f404c	ALM: Do not show unneeded failed confirmations (#641 )	2022-03-13 13:54:33 +03:00
Kirill Fedoseev	2b51d4c209	Support manual signatures in erc to native mode (#646 )	2022-03-10 14:18:19 +03:00
Kirill Fedoseev	981231fb47	Helpers for overriding AMB signatures (#640 )	2022-02-18 17:35:12 +03:00
Alexander Kolotov	5bc562e810	Merge the develop branch to the master branch, preparation to v3.4.0 This merge contains the following set of changes: * [Oracle, Improvement] Refetch old logs ranges to see if there are missed events (#627) * [Oracle, Improvement] Add support for EIP1559 gas price oracle (#631) * [Oracle, Improvement] CollectedSignatures AMB watcher for MEV bundling (#634) * [Oracle, Fix] Fix eip1559 transaction sending problems (#632)	2022-02-11 10:24:38 +03:00
Kirill Fedoseev	72f0d30b52	CollectedSignatures AMB watcher for MEV bundling (#634 )	2022-02-07 23:32:41 +03:00