Merge branch 'mev-executor' into fake-mev-executor

Refine configuration
Update log level
2022-02-07 23:21:53 +03:00 · 2022-02-07 20:22:20 +04:00 · 2022-02-07 18:51:51 +04:00 · 2022-02-02 22:46:51 +03:00 · 2022-01-31 23:13:36 +03:00
39 changed files with 398 additions and 806 deletions
--- a/CONFIGURATION.md
+++ b/CONFIGURATION.md
@ -56,11 +56,9 @@ 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) | Responsible for listening to bridge related events and authorizing asset transfers. |
+| [Oracle](oracle/README.md) | Oracle 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, { useEffect, useState } from 'react'
+import React 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, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
+import { CONFIRMATIONS_STATUS } from '../config/constants'
 import { CONFIRMATIONS_STATUS_LABEL, CONFIRMATIONS_STATUS_LABEL_HOME } from '../config/descriptions'
 import { SimpleLoading } from './commons/Loading'
 import { ValidatorsConfirmations } from './ValidatorsConfirmations'
@ -54,9 +54,7 @@ export const ConfirmationsContainer = ({
    home: { name: homeName },
    foreign: { name: foreignName }
  } = useStateProvider()
-  const src = useValidatorContract(fromHome, receipt ? receipt.blockNumber : 0)
-  const [executionBlockNumber, setExecutionBlockNumber] = useState(0)
-  const dst = useValidatorContract(!fromHome, executionBlockNumber || 'latest')
+  const { requiredSignatures, validatorList } = useValidatorContract({ fromHome, receipt })
  const { blockConfirmations } = useBlockConfirmations({ fromHome, receipt })
  const {
    confirmations,
@ -73,21 +71,11 @@ export const ConfirmationsContainer = ({
    fromHome,
    homeStartBlock,
    foreignStartBlock,
-    requiredSignatures: src.requiredSignatures,
-    validatorList: src.validatorList,
-    targetValidatorList: dst.validatorList,
+    requiredSignatures,
+    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 = () => {
@ -126,22 +114,20 @@ export const ConfirmationsContainer = ({
          </MultiLine>
        </StatusDescription>
        <ValidatorsConfirmations
-          confirmations={fromHome ? confirmations.filter(c => dst.validatorList.includes(c.validator)) : confirmations}
-          requiredSignatures={dst.requiredSignatures}
-          validatorList={dst.validatorList}
+          confirmations={confirmations}
+          requiredSignatures={requiredSignatures}
+          validatorList={validatorList}
          waitingBlocksResolved={waitingBlocksResolved}
        />
        {signatureCollected && (
          <ExecutionConfirmation
-            message={message}
+            messageData={message.data}
            executionData={executionData}
            isHome={!fromHome}
-            confirmations={confirmations}
+            signatureCollected={signatureCollected}
            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
@ -4,47 +4,38 @@ 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 { ConfirmationParam, ExecutionData } from '../hooks/useMessageConfirmations'
+import { 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 {
-  message: MessageObject
+  messageData: string
  executionData: ExecutionData
  setExecutionData: Function
-  confirmations: ConfirmationParam[]
+  signatureCollected: boolean | string[]
  isHome: boolean
  executionEventsFetched: boolean
  setPendingExecution: Function
-  dstRequiredSignatures: number
-  dstValidatorList: string[]
 }

 export const ExecutionConfirmation = ({
-  message,
+  messageData,
  executionData,
  setExecutionData,
-  confirmations,
+  signatureCollected,
  isHome,
  executionEventsFetched,
-  setPendingExecution,
-  dstRequiredSignatures,
-  dstValidatorList
+  setPendingExecution
 }: 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 ||
@ -76,27 +67,9 @@ 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.EXECUTION_SUCCESS:
+      case VALIDATOR_CONFIRMATION_STATUS.SUCCESS:
        return <SuccessLabel>{validatorStatus}</SuccessLabel>
      case VALIDATOR_CONFIRMATION_STATUS.FAILED:
        return <RedLabel>{validatorStatus}</RedLabel>
@ -114,8 +87,6 @@ export const ExecutionConfirmation = ({

  return (
    <StyledExecutionConfirmation>
-      {error && <ErrorAlert onClick={() => setError('')} error={error} />}
-      {warning && <WarningAlert onClick={() => setWarning('')} error={warning} />}
      <table>
        <Thead>
          <tr>
@ -154,13 +125,10 @@ export const ExecutionConfirmation = ({
              <td>
                <ManualExecutionButton
                  safeExecutionAvailable={safeExecutionAvailable}
-                  messageData={message.data}
+                  messageData={messageData}
                  setExecutionData={setExecutionData}
-                  confirmations={confirmations}
+                  signatureCollected={signatureCollected as string[]}
                  setPendingExecution={setPendingExecution}
-                  setError={setError}
-                  requiredSignatures={dstRequiredSignatures}
-                  validatorList={dstValidatorList}
                />
              </td>
            )}
--- a/alm/src/components/MainPage.tsx
+++ b/alm/src/components/MainPage.tsx
@ -8,6 +8,7 @@ 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;
@ -51,7 +52,7 @@ export interface FormSubmitParams {

 export const MainPage = () => {
  const history = useHistory()
-  const { home, foreign } = useStateProvider()
+  const { home, foreign, error, setError } = useStateProvider()
  const [networkName, setNetworkName] = useState('')
  const [receipt, setReceipt] = useState<Maybe<TransactionReceipt>>(null)
  const [showInfoAlert, setShowInfoAlert] = useState(false)
@ -131,6 +132,7 @@ 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
@ -14,7 +14,6 @@ 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);
@ -31,75 +30,22 @@ interface ManualExecutionButtonParams {
  safeExecutionAvailable: boolean
  messageData: string
  setExecutionData: Function
-  confirmations: ConfirmationParam[]
+  signatureCollected: string[]
  setPendingExecution: Function
-  setError: Function
-  requiredSignatures: number
-  validatorList: string[]
 }

 export const ManualExecutionButton = ({
  safeExecutionAvailable,
  messageData,
  setExecutionData,
-  confirmations,
-  setPendingExecution,
-  setError,
-  requiredSignatures,
-  validatorList
+  signatureCollected,
+  setPendingExecution
 }: ManualExecutionButtonParams) => {
-  const { foreign } = useStateProvider()
+  const { foreign, setError } = useStateProvider()
  const { library, activate, account, active } = useWeb3React()
  const [manualExecution, setManualExecution] = useState(false)
  const [allowFailures, setAllowFailures] = useState(false)
-  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
-    ]
-  )
+  const notReady = !foreign.bridgeContract || !signatureCollected || !signatureCollected.length

  useEffect(
    () => {
@ -127,9 +73,9 @@ export const ManualExecutionButton = ({
        return
      }

-      if (!library || !foreign.bridgeContract || !foreign.web3 || !validSignatures || !validSignatures.length) return
+      if (!library || !foreign.bridgeContract || !signatureCollected || !signatureCollected.length) return

-      const signatures = packSignatures(validSignatures.map(signatureToVRS))
+      const signatures = packSignatures(signatureCollected.map(signatureToVRS))
      const messageId = messageData.slice(0, 66)
      const bridge = foreign.bridgeContract
      const executeMethod =
@ -194,20 +140,19 @@ export const ManualExecutionButton = ({
      foreign.bridgeContract,
      setError,
      messageData,
+      signatureCollected,
      setExecutionData,
      setPendingExecution,
      safeExecutionAvailable,
-      allowFailures,
-      foreign.web3,
-      validSignatures
+      allowFailures
    ]
  )

  return (
    <div>
      <div className="is-center">
-        <ActionButton disabled={!ready} className="button outline" onClick={() => setManualExecution(true)}>
-          {title}
+        <ActionButton disabled={notReady} className="button outline" onClick={() => setManualExecution(true)}>
+          Execute
        </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 { RECENT_AGE, SEARCHING_TX, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
+import { SEARCHING_TX, VALIDATOR_CONFIRMATION_STATUS } from '../config/constants'
 import { SimpleLoading } from './commons/Loading'
 import styled from 'styled-components'
 import { ConfirmationParam } from '../hooks/useMessageConfirmations'
@ -31,9 +31,7 @@ export const ValidatorsConfirmations = ({
  const getValidatorStatusElement = (validatorStatus = '') => {
    switch (validatorStatus) {
      case VALIDATOR_CONFIRMATION_STATUS.SUCCESS:
-      case VALIDATOR_CONFIRMATION_STATUS.MANUAL:
-      case VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID:
-        return <SuccessLabel>{VALIDATOR_CONFIRMATION_STATUS.SUCCESS}</SuccessLabel>
+        return <SuccessLabel>{validatorStatus}</SuccessLabel>
      case VALIDATOR_CONFIRMATION_STATUS.FAILED:
        return <RedLabel>{validatorStatus}</RedLabel>
      case VALIDATOR_CONFIRMATION_STATUS.PENDING:
@ -60,28 +58,26 @@ export const ValidatorsConfirmations = ({
          </tr>
        </Thead>
        <tbody>
-          {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
-            }
+          {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 />
+                )
+              ) : (
+                ''
+              )
            return (
              <tr key={i}>
-                <td>{windowWidth < 850 ? formatTxHash(confirmation.validator) : confirmation.validator}</td>
+                <td>{windowWidth < 850 ? formatTxHash(validator) : validator}</td>
                <StatusTd className="text-center">{getValidatorStatusElement(displayedStatus)}</StatusTd>
                <AgeTd className="text-center">
                  {confirmation && confirmation.timestamp > 0 ? (
@ -98,7 +94,7 @@ export const ValidatorsConfirmations = ({
        </tbody>
      </table>
      <RequiredConfirmations>
-        At least <strong>{requiredSignatures}</strong> of <strong>{validatorList.length}</strong> confirmations required
+        {requiredSignatures} of {validatorList.length} 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-12 is-vertical-align row">
+      <StyledErrorAlert className="col-10 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
@ -1,34 +0,0 @@
-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
@ -54,19 +54,14 @@ export const CONFIRMATIONS_STATUS = {
 }

 export const VALIDATOR_CONFIRMATION_STATUS = {
-  SUCCESS: 'Confirmed',
-  MANUAL: 'Manual',
-  EXECUTION_SUCCESS: 'Executed',
+  SUCCESS: 'Success',
  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
@ -29,16 +29,17 @@ export interface useMessageConfirmationsParams {
  foreignStartBlock: Maybe<number>
  requiredSignatures: number
  validatorList: string[]
-  targetValidatorList: string[]
  blockConfirmations: number
 }

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

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

 export const useMessageConfirmations = ({
@ -58,7 +58,6 @@ export const useMessageConfirmations = ({
  foreignStartBlock,
  requiredSignatures,
  validatorList,
-  targetValidatorList,
  blockConfirmations
 }: useMessageConfirmationsParams) => {
  const { home, foreign } = useStateProvider()
@ -66,7 +65,7 @@ export const useMessageConfirmations = ({
  const [status, setStatus] = useState(CONFIRMATIONS_STATUS.UNDEFINED)
  const [waitingBlocks, setWaitingBlocks] = useState(false)
  const [waitingBlocksResolved, setWaitingBlocksResolved] = useState(false)
-  const [signatureCollected, setSignatureCollected] = useState(false)
+  const [signatureCollected, setSignatureCollected] = useState<boolean | string[]>(false)
  const [executionEventsFetched, setExecutionEventsFetched] = useState(false)
  const [collectedSignaturesEvent, setCollectedSignaturesEvent] = useState<Maybe<EventData>>(null)
  const [executionData, setExecutionData] = useState<ExecutionData>({
@ -74,8 +73,7 @@ export const useMessageConfirmations = ({
    validator: '',
    txHash: '',
    timestamp: 0,
-    executionResult: false,
-    blockNumber: 0
+    executionResult: false
  })
  const [waitingBlocksForExecution, setWaitingBlocksForExecution] = useState(false)
  const [waitingBlocksForExecutionResolved, setWaitingBlocksForExecutionResolved] = useState(false)
@ -142,9 +140,10 @@ 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 || !signatureCollected) return
+      if (!fromHome || !receipt || !home.web3 || !home.bridgeContract || !hasCollectedSignatures) return

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

  // Check if the responsible validator is waiting for block confirmations to execute the message on foreign network
@ -253,35 +252,6 @@ 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,
@ -314,8 +284,7 @@ export const useMessageConfirmations = ({
      home.bridgeContract,
      requiredSignatures,
      waitingBlocksResolved,
-      homeStartBlock,
-      targetValidatorList
+      homeStartBlock
    ]
  )

@ -374,10 +343,7 @@ export const useMessageConfirmations = ({
  // Sets the message status based in the collected information
  useEffect(
    () => {
-      if (
-        executionData.status === VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS &&
-        existsConfirmation(confirmations)
-      ) {
+      if (executionData.status === VALIDATOR_CONFIRMATION_STATUS.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
@ -4,13 +4,19 @@ 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 const useValidatorContract = (isHome: boolean, blockNumber: number | 'latest') => {
+export interface useValidatorContractParams {
+  fromHome: boolean
+  receipt: Maybe<TransactionReceipt>
+}
+
+export const useValidatorContract = ({ receipt, fromHome }: useValidatorContractParams) => {
  const [validatorContract, setValidatorContract] = useState<Maybe<Contract>>(null)
  const [requiredSignatures, setRequiredSignatures] = useState(0)
-  const [validatorList, setValidatorList] = useState<string[]>([])
+  const [validatorList, setValidatorList] = useState([])

  const { home, foreign } = useStateProvider()

@ -23,34 +29,34 @@ export const useValidatorContract = (isHome: boolean, blockNumber: number | 'lat

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

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

-  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
+  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

  useEffect(
    () => {
@ -62,11 +68,11 @@ export const useValidatorContract = (isHome: boolean, blockNumber: number | 'lat

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

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

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

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

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

  return <StateContext.Provider value={value}>{children}</StateContext.Provider>
--- a/alm/src/themes/GlobalStyle.tsx
+++ b/alm/src/themes/GlobalStyle.tsx
@ -28,7 +28,5 @@ 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
@ -17,10 +17,6 @@ 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
@ -14,40 +14,37 @@ 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, from: validator1 },
-      { isError: '1', to, from: validator1 },
-      { isError: '0', to, from: validator2 },
-      { isError: '1', to, from: validator2 },
-      { isError: '1', to, from: validator3 }
+      { isError: '0', to },
+      { isError: '1', to },
+      { isError: '0', to },
+      { isError: '1', to },
+      { isError: '1', to }
    ]

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

    const fetchAccountTransactions = jest.fn().mockImplementation(() => transactions)
-    const result = await getSuccessTransactions(validator1, to, 0, 1, '', fetchAccountTransactions)
-    expect(result.length).toEqual(1)
+    const result = await getSuccessTransactions('', to, 0, 1, '', fetchAccountTransactions)
+    expect(result.length).toEqual(2)
  })
 })
 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 { ConfirmationParam } from '../../hooks/useMessageConfirmations'
+import { BasicConfirmationParam } from '../../hooks/useMessageConfirmations'

 jest.mock('../validatorConfirmationHelpers')

@ -18,9 +18,6 @@ const messageData = '0x111111111'
 const web3 = {
  utils: {
    soliditySha3Raw: (data: string) => `0xaaaa${data.replace('0x', '')}`
-  },
-  eth: {
-    accounts: new Web3().eth.accounts
  }
 } as Web3
 const validator1 = '0x45b96809336A8b714BFbdAB3E4B5e0fe5d839908'
@ -28,7 +25,7 @@ const validator2 = '0xAe8bFfc8BBc6AAa9E21ED1E4e4957fe798BEA25f'
 const validator3 = '0x285A6eB779be4db94dA65e2F3518B1c5F0f71244'
 const validatorList = [validator1, validator2, validator3]
 const signature =
-  '0x6f5b74905669999f1abdb52e1e215506907e1849aac7b31854da458b33a5954e15b165007c3703cfd16e61ca46a96a56727ed11fa47be359d3834515accd016e1b'
+  '0x519d704bceed17423daa79c20531cc34fc27a4be6e53fc5069a8023019188ca4519d704bceed17423daa79c20531cc34fc27a4be6e53fc5069a8023019188ca4'
 const bridgeContract = {
  methods: {
    signature: () => ({
@ -64,19 +61,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator !== validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -113,8 +110,9 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(2)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(1)
+    expect(setSignatureCollected).toBeCalledTimes(2)
    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)
@ -137,7 +135,7 @@ 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, txHash: '', timestamp: 0 }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
      ])
    )
  })
@ -146,19 +144,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -210,19 +208,19 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator !== validator3 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator !== validator3 ? '0x123' : '',
      timestamp: validatorData.validator !== validator3 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
      timestamp: 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -259,8 +257,9 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(3)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(1)
+    expect(setSignatureCollected).toBeCalledTimes(2)
    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)
@ -282,16 +281,16 @@ describe('getConfirmationsForTx', () => {
    )
    expect(res2).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.UNDEFINED }
+        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
+        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS },
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
      ])
    )
    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, txHash: '', timestamp: 0 }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
      ])
    )
  })
@ -305,22 +304,22 @@ describe('getConfirmationsForTx', () => {
          ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      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: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator === validator3
-          ? VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+          ? VALIDATOR_CONFIRMATION_STATUS.FAILED
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: validatorData.validator === validator3 ? '0x123' : '',
      timestamp: validatorData.validator === validator3 ? 123 : 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: '',
@ -357,8 +356,9 @@ describe('getConfirmationsForTx', () => {
    expect(setResult).toBeCalledTimes(4)
    expect(getValidatorConfirmation).toBeCalledTimes(1)
    expect(getSuccessExecutionTransaction).toBeCalledTimes(1)
-    expect(setSignatureCollected).toBeCalledTimes(1)
+    expect(setSignatureCollected).toBeCalledTimes(2)
    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, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { 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.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.FAILED_VALID, txHash: '0x123', timestamp: 123 },
-        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
+        { 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 }
      ])
    )
    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_VALID, txHash: '0x123', timestamp: 123 },
-        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED, txHash: '', timestamp: 0 }
+        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.FAILED, txHash: '0x123', timestamp: 123 },
+        { validator: validator4, status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED }
      ])
    )
  })
@ -414,22 +414,22 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator1 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator === validator1 ? '0x123' : '',
      timestamp: validatorData.validator === validator1 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status:
        validatorData.validator === validator2
-          ? VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID
+          ? VALIDATOR_CONFIRMATION_STATUS.FAILED
          : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED,
      txHash: validatorData.validator === validator2 ? '0x123' : '',
      timestamp: validatorData.validator === validator2 ? 123 : 0
    }))
-    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      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, txHash: '0x123', timestamp: 123 },
+        { 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.PENDING, txHash: '0x123', timestamp: 123 }
      ])
    )
    expect(res3).toEqual(
      expect.arrayContaining([
-        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
+        { 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 }
      ])
    )
    expect(res4).toEqual(
      expect.arrayContaining([
        { validator: validator1, status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.FAILED_VALID, 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 }
      ])
    )
@ -521,13 +521,13 @@ describe('getConfirmationsForTx', () => {
      validator,
      status: validator === validator1 ? VALIDATOR_CONFIRMATION_STATUS.SUCCESS : VALIDATOR_CONFIRMATION_STATUS.UNDEFINED
    }))
-    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getSuccessExecutionTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      validator: validatorData.validator,
      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash: validatorData.validator === validator1 ? '0x123' : '',
      timestamp: validatorData.validator === validator1 ? 123 : 0
    }))
-    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: ConfirmationParam) => ({
+    getValidatorFailedTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      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: ConfirmationParam) => ({
+    getValidatorPendingTransaction.mockImplementation(() => async (validatorData: BasicConfirmationParam) => ({
      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, txHash: '0x123', timestamp: 123 },
-        { validator: validator2, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED },
-        { validator: validator3, status: VALIDATOR_CONFIRMATION_STATUS.UNDEFINED }
+        { 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 }
      ])
    )
    expect(res3).toEqual(
@ -610,13 +610,9 @@ describe('getConfirmationsForTx', () => {
    )
  })
  test('should remove pending state after transaction mined', async () => {
-    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)
+    // Validator1 success
+    // Validator2 failed
+    // Validator3 Pending

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

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

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

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

    expect(getValidatorPendingTransaction).toBeCalledTimes(1)
@ -804,26 +781,23 @@ describe('getConfirmationsForTx', () => {
    const res7 = setResult.mock.calls[6][0](res6)
    expect(res5).toEqual(
      expect.arrayContaining([
-        { 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 }
+        { 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 }
      ])
    )
    expect(res6).toEqual(
      expect.arrayContaining([
-        { 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 }
+        { 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 }
      ])
    )
    expect(res7).toEqual(
      expect.arrayContaining([
-        { 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 }
+        { 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 }
      ])
    )
  })
--- a/alm/src/utils/tests/getFinalizationEvent.test.ts
+++ b/alm/src/utils/tests/getFinalizationEvent.test.ts
@ -84,11 +84,10 @@ describe('getFinalizationEvent', () => {
    expect(setResult).toBeCalledTimes(1)
    expect(setResult.mock.calls[0][0]).toEqual({
      validator: validator1,
-      status: VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS,
+      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      txHash,
      timestamp,
-      executionResult: true,
-      blockNumber: 5523145
+      executionResult: true
    })

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

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

    expect(getFailedExecution).toBeCalledTimes(1)
--- a/alm/src/utils/contract.ts
+++ b/alm/src/utils/contract.ts
@ -22,16 +22,6 @@ 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()

@ -45,10 +35,16 @@ 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()
+  }
  return parseInt(blockConfirmations)
 }

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

 export const getRequiredSignatures = async (
  contract: Contract,
-  blockNumber: number | 'latest',
+  blockNumber: number,
  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()

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

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

 export const getValidatorList = async (
  contract: Contract,
-  blockNumber: number | 'latest',
+  blockNumber: number,
  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
@ -12,7 +12,6 @@ import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'

 export interface APITransaction {
-  from: string
  timeStamp: string
  isError: string
  input: string
@ -55,7 +54,7 @@ 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', 'to')
+  url.searchParams.append('filterby', 'from')
  url.searchParams.append('startblock', startBlock.toString())
  url.searchParams.append('endblock', endBlock.toString())

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

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

 export const fetchPendingTransactions = async ({
@ -181,12 +180,10 @@ export const getLogs = async (
    if (topics[i] !== null) {
      url.searchParams.append(`topic${i}`, topics[i] as string)
      for (let j = 0; j < i; j++) {
-        if (topics[j] !== null) {
        url.searchParams.append(`topic${j}_${i}_opr`, 'and')
      }
    }
  }
-  }

  const logs = await fetch(url.toString()).then(res => res.json())

@ -197,7 +194,7 @@ export const getLogs = async (
  }))
 }

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

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

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

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

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

 export const filterValidatorSignatureTransaction = (
--- a/alm/src/utils/getConfirmationsForTx.ts
+++ b/alm/src/utils/getConfirmationsForTx.ts
@ -2,37 +2,26 @@ 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 { ConfirmationParam } from '../hooks/useMessageConfirmations'
-import { signatureToVRS } from './signatures'
+import { BasicConfirmationParam, ConfirmationParam } from '../hooks/useMessageConfirmations'

-const mergeConfirmations = (oldConfirmations: ConfirmationParam[], newConfirmations: ConfirmationParam[]) => {
+const mergeConfirmations = (oldConfirmations: BasicConfirmationParam[], newConfirmations: BasicConfirmationParam[]) => {
  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.txHash ||
-      !!validatorData.signature ||
+      (validatorData as ConfirmationParam).txHash ||
      (newStatus !== currentStatus && newStatus !== VALIDATOR_CONFIRMATION_STATUS.UNDEFINED)
    ) {
-      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
-      }
+      confirmations[index] = validatorData
    }
  })
  return confirmations
@ -56,17 +45,19 @@ 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, fromHome))
+    validatorList.map(getValidatorConfirmation(web3, hashMsg, bridgeContract, confirmationContractMethod))
  )

-  const updateConfirmations = (confirmations: ConfirmationParam[]) => {
+  const updateConfirmations = (confirmations: BasicConfirmationParam[]) => {
    if (confirmations.length === 0) {
      return
    }
    validatorConfirmations = mergeConfirmations(validatorConfirmations, confirmations)
-    setResult((currentConfirmations: ConfirmationParam[]) => {
+    setResult((currentConfirmations: BasicConfirmationParam[]) => {
      if (currentConfirmations && currentConfirmations.length) {
        return mergeConfirmations(currentConfirmations, confirmations)
      }
@ -76,37 +67,11 @@ 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
@ -119,6 +84,16 @@ 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(
@ -128,27 +103,13 @@ export const getConfirmationsForTx = async (
  // Check if confirmation failed
  const validatorFailedConfirmationsChecks = await Promise.all(
    undefinedConfirmations.map(
-      getValidatorFailedTransaction(web3, bridgeContract, messageData, startBlock, getFailedTransactions)
+      getValidatorFailedTransaction(bridgeContract, messageData, startBlock, getFailedTransactions)
    )
  )
-  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)
+  const validatorFailedConfirmations = validatorFailedConfirmationsChecks.filter(
+    c => c.status === VALIDATOR_CONFIRMATION_STATUS.FAILED
  )
+  setFailedConfirmations(validatorFailedConfirmations.length > validatorList.length - requiredSignatures)
  updateConfirmations(validatorFailedConfirmations)

  const missingConfirmations = validatorConfirmations.filter(
@ -159,13 +120,21 @@ 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,
-      timestamp: 0,
-      txHash: ''
+      status: VALIDATOR_CONFIRMATION_STATUS.NOT_REQUIRED
    }))
    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
@ -59,12 +59,11 @@ export const getSuccessExecutionData = async (
    const validatorAddress = web3.utils.toChecksumAddress(txReceipt.from)

    return {
-      status: VALIDATOR_CONFIRMATION_STATUS.EXECUTION_SUCCESS,
+      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
      validator: validatorAddress,
      txHash: event.transactionHash,
      timestamp: blockTimestamp,
-      executionResult: event.returnValues.status,
-      blockNumber: event.blockNumber
+      executionResult: event.returnValues.status
    }
  }
  return null
@ -116,8 +115,7 @@ export const getFinalizationEvent = async (
          validator: validator,
          txHash: pendingTx.hash,
          timestamp: nowTimestamp,
-          executionResult: false,
-          blockNumber: 0
+          executionResult: false
        })
        setPendingExecution(true)
      } else {
@ -146,8 +144,7 @@ export const getFinalizationEvent = async (
              validator: validator,
              txHash: failedTx.hash,
              timestamp,
-              executionResult: false,
-              blockNumber: parseInt(failedTx.blockNumber)
+              executionResult: false
            })
            setFailedExecution(true)
          }
--- a/alm/src/utils/validatorConfirmationHelpers.ts
+++ b/alm/src/utils/validatorConfirmationHelpers.ts
@ -1,45 +1,38 @@
 import Web3 from 'web3'
 import { Contract } from 'web3-eth-contract'
-import { ConfirmationParam } from '../hooks/useMessageConfirmations'
+import { BasicConfirmationParam, 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,
-  fromHome: boolean
-) => async (validator: string): Promise<ConfirmationParam> => {
+  confirmationContractMethod: Function
+) => async (validator: string): Promise<BasicConfirmationParam> => {
  const hashSenderMsg = web3.utils.soliditySha3Raw(validator, hashMsg)

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

-  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) {
-    const confirmation: ConfirmationParam = {
-      status: VALIDATOR_CONFIRMATION_STATUS.SUCCESS,
-      validator,
-      timestamp: 0,
-      txHash: ''
-    }
-    validatorsCache.setData(hashSenderMsg, confirmation)
-    return confirmation
+    validatorsCache.set(hashSenderMsg, confirmed)
  }

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

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

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

@ -114,33 +106,30 @@ 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]
-    const confirmation: ConfirmationParam = {
-      status: VALIDATOR_CONFIRMATION_STATUS.FAILED,
-      validator: validatorData.validator,
-      txHash: failedTx.hash,
-      timestamp: parseInt(failedTx.timeStamp)
-    }
+    txHashTimestamp = parseInt(failedTx.timeStamp)
+    txHash = failedTx.hash

-    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
+    validatorsCache.setData(validatorCacheKey, {
+      validator: validatorData.validator,
+      status: newStatus,
+      txHash,
+      timestamp: txHashTimestamp
+    })
  }

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

@ -148,7 +137,7 @@ export const getValidatorPendingTransaction = (
  bridgeContract: Contract,
  messageData: string,
  getPendingTransactions: (args: GetPendingTransactionParams) => Promise<APIPendingTransaction[]>
-) => async (validatorData: ConfirmationParam): Promise<ConfirmationParam> => {
+) => async (validatorData: BasicConfirmationParam): 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
@ -10,37 +10,6 @@ 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))
@ -57,33 +26,15 @@ 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 => {
-    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${encodedData.slice(dataOffset + 24, dataOffset + 64)}`
+    let decodedLogs: { [p: string]: string } = {
+      messageId: '',
+      encodedData: ''
    }
-      if (encodedData.length >= dataOffset + 128) {
-        obReceiver = `0x${encodedData.slice(dataOffset + 88, dataOffset + 128)}`
-      }
-    }
-    return {
-      id: messageId || '',
-      data: encodedData || '',
-      sender,
-      executor,
-      obToken,
-      obReceiver
+    if (eventAbi && eventAbi.inputs && eventAbi.inputs.length) {
+      decodedLogs = web3.eth.abi.decodeLog(eventAbi.inputs, e.data, [e.topics[1]])
    }
+    return { id: decodedLogs.messageId, data: decodedLogs.encodedData }
  })
 }

--- a/oracle/README.md
+++ b/oracle/README.md
@ -1,10 +1,10 @@
 # POA TokenBridge / Oracle
-An oracle responsible for listening to bridge related events and authorizing asset transfers.
+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
@ -7,15 +7,7 @@ const {
  HOME_AMB_ABI,
  FOREIGN_AMB_ABI
 } = require('../../commons')
-const {
-  web3Home,
-  web3Foreign,
-  web3HomeRedundant,
-  web3HomeFallback,
-  web3ForeignRedundant,
-  web3ForeignFallback,
-  web3ForeignArchive
-} = require('../src/services/web3')
+const { web3Home, web3Foreign } = require('../src/services/web3')
 const { add0xPrefix, privateKeyToAddress } = require('../src/utils/utils')
 const { EXIT_CODES } = require('../src/utils/constants')

@ -35,11 +27,9 @@ 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_RPC_SYNC_STATE_CHECK_INTERVAL
+  ORACLE_FOREIGN_EVENTS_REPROCESSING_BLOCK_DELAY
 } = process.env

 let homeAbi
@ -73,12 +63,9 @@ 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: {
@ -94,13 +81,9 @@ 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-sender.config.js
+++ b/oracle/config/foreign-sender.config.js
@ -1,14 +1,17 @@
 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
@ -1,14 +1,17 @@
 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
@ -1,9 +1,11 @@
 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/docker-compose-helpers.yml
+++ b/oracle/docker-compose-helpers.yml
@ -57,5 +57,8 @@ services:
      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)
+      FAKE_MEV_RELAY_TX_SENDING: 'true'
+      FAKE_MEV_RELAY_NO_EIP1559: 'true'
+      COMMON_FOREIGN_GAS_PRICE_FALLBACK: 100000000000 # will essentially replace block base fee
    restart: unless-stopped
    entrypoint: yarn mev:sender:foreign
--- a/oracle/package.json
+++ b/oracle/package.json
@ -19,7 +19,6 @@
    "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'",
--- a/oracle/scripts/signPendingMessages.js
+++ b/oracle/scripts/signPendingMessages.js
@ -1,83 +0,0 @@
-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/events/processAMBInformationRequests/index.js
+++ b/oracle/src/events/processAMBInformationRequests/index.js
@ -35,13 +35,11 @@ Object.keys(asyncCalls).forEach(method => {
 })

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

  let validatorContract = null
  let blockFinder = null

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

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

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

-    // 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.web3Archive)) - (await getRequiredBlockConfirmations(foreign.bridgeContract))
+      (await getBlockNumber(foreign.web3)) - (await getRequiredBlockConfirmations(foreign.bridgeContract))
    const homeBlock = await getBlock(home.web3, informationRequests[0].blockNumber)
-    const lastForeignBlock = await getBlock(foreign.web3Archive, foreignBlockNumber)
+    const lastForeignBlock = await getBlock(foreign.web3, foreignBlockNumber)

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

        const call = asyncCalls[asyncCallMethod]
-        let [status, result] = await call(foreign.web3Archive, data, foreignClosestBlock).catch(e => {
+        let [status, result] = await call(web3ForeignArchive, data, foreignClosestBlock).catch(e => {
          if (e instanceof HttpListProviderError) {
            throw e
          }
--- a/oracle/src/mevSender.js
+++ b/oracle/src/mevSender.js
@ -15,9 +15,13 @@ if (process.argv.length < 3) {
 }

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

 const { web3, mevForeign, validatorAddress } = config

+const FAKE_MEV_RELAY_TX_SENDING = process.env.FAKE_MEV_RELAY_TX_SENDING === 'true'
+const FAKE_MEV_RELAY_NO_EIP1559 = process.env.FAKE_MEV_RELAY_NO_EIP1559 === 'true'
+
 let chainId = 0
 let flashbotsProvider

@ -28,7 +32,9 @@ async function initialize() {
    web3.currentProvider.urls.forEach(checkHttps(config.id))

    chainId = await getChainId(web3)
+    if (!FAKE_MEV_RELAY_TX_SENDING) {
      flashbotsProvider = await mevForeign.getFlashbotsProvider(chainId)
+    }
    return runMain()
  } catch (e) {
    logger.error(e.message)
@ -65,7 +71,13 @@ async function main() {
      return
    }

-    const { baseFeePerGas: pendingBaseFee, number: pendingBlockNumber } = await getBlock(web3, 'pending')
+    const { baseFeePerGas, number: pendingBlockNumber } = await getBlock(web3, 'pending')
+    let pendingBaseFee = baseFeePerGas
+    if (FAKE_MEV_RELAY_TX_SENDING && FAKE_MEV_RELAY_NO_EIP1559) {
+      // emulate baseFee with the current gasPrice
+      await GasPrice.start('foreign', web3, true)
+      pendingBaseFee = GasPrice.gasPriceOptions().gasPrice
+    }
    const bestJob = pickBestJob(jobs, pendingBaseFee)

    if (!bestJob) {
@ -115,7 +127,7 @@ async function main() {
      { nonce, fromBlock: pendingBlockNumber, toBlock: pendingBlockNumber + mevForeign.bundlesPerIteration - 1 },
      'Sending MEV bundles'
    )
-    const txHash = await sendTx({
+    const opts = {
      data: bestJob.data,
      nonce,
      value: bestJob.value,
@ -134,7 +146,14 @@ async function main() {
        toBlock: pendingBlockNumber + mevForeign.bundlesPerIteration - 1,
        logger
      }
-    })
+    }
+    if (FAKE_MEV_RELAY_TX_SENDING) {
+      if (FAKE_MEV_RELAY_NO_EIP1559) {
+        opts.gasPriceOptions = { gasPrice: pendingBaseFee }
+      }
+      delete opts.mevOptions
+    }
+    const txHash = await sendTx(opts)

    jobLogger.info({ txHash }, `Tx generated ${txHash} for event Tx ${bestJob.transactionReference}`)

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

 const nonceKey = `${config.id}:nonce`
 let chainId = 0
@ -43,7 +43,6 @@ 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)

--- a/oracle/src/services/HttpListProvider.js
+++ b/oracle/src/services/HttpListProvider.js
@ -1,6 +1,5 @@
 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')
@ -40,54 +39,19 @@ 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.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) {
+HttpListProvider.prototype.switchToFallbackRPC = function() {
+  if (this.urls.length < 2) {
    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'
@ -116,7 +80,11 @@ 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.switchToFallbackRPC(index)
+      this.logger.info(
+        { index, oldURL: this.urls[currentIndex], newURL: this.urls[index] },
+        'Switching to fallback JSON-RPC URL'
+      )
+      this.currentIndex = index
    }
    callback(null, result)
  } catch (e) {
--- a/oracle/src/utils/constants.js
+++ b/oracle/src/utils/constants.js
@ -27,6 +27,7 @@ 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/utils.js
+++ b/oracle/src/utils/utils.js
@ -169,8 +169,7 @@ 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(`the tx doesn't have the correct nonce`)
+    message.includes('oldnonce')
  )
 }

--- a/oracle/src/watcher.js
+++ b/oracle/src/watcher.js
@ -6,7 +6,11 @@ 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, MAX_HISTORY_BLOCK_TO_REPROCESS } = require('./utils/constants')
+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')
@ -34,21 +38,21 @@ const {
  pollingInterval,
  chain,
  reprocessingOptions,
-  blockPollingLimit,
-  syncCheckInterval
+  blockPollingLimit
 } = 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()
@ -221,6 +225,28 @@ 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
 }
Author	SHA1	Message	Date
Alexander Kolotov	af6848f39c	Merge branch 'mev-executor' into fake-mev-executor	2022-02-07 23:21:53 +03:00
Kirill Fedoseev	72e1242544	Refine configuration	2022-02-07 20:22:20 +04:00
Kirill Fedoseev	13be1a4b6a	Update log level	2022-02-07 18:51:51 +04:00
Kirill Fedoseev	9586b78e10	Fake MEV execution for BSC	2022-02-02 22:46:51 +03:00
Kirill Fedoseev	3e84b01f3b	Helper watcher process for MEV bundling	2022-01-31 23:13:36 +03:00