Find out-of-limits transfers in monitor

monitor/getRequestsOutOfLimits.js

@@ -0,0 +1,62 @@
+require('dotenv').config()
+const BN = require('bignumber.js')
+const { fromWei } = require('web3').utils
+const logger = require('./logger')('getRequestsOutOfLimits')
+const { getBridgeABIs } = require('../commons')
+const { web3Home, web3Foreign } = require('./utils/web3')
+
+const { COMMON_HOME_BRIDGE_ADDRESS, COMMON_FOREIGN_BRIDGE_ADDRESS } = process.env
+
+function outOfRemainingQuota(remainingLimit) {
+  let limit = remainingLimit
+  return event => {
+    if (limit.lt(event.value)) {
+      return true
+    }
+    limit = limit.minus(event.value)
+    return false
+  }
+}
+
+async function checkOutOfLimitsStats(contract, requests) {
+  logger.debug('calling contract.getCurrentDay()')
+  const day = await contract.methods.getCurrentDay().call()
+  logger.debug('calling contract.executionDailyLimit()')
+  const executionDailyLimit = new BN(await contract.methods.executionDailyLimit().call())
+  logger.debug('calling contract.executionMaxPerTx()')
+  const executionMaxPerTx = new BN(await contract.methods.executionMaxPerTx().call())
+  logger.debug('calling contract.totalExecutedPerDay()')
+  const executedPerDay = new BN(await contract.methods.totalExecutedPerDay(day).call())
+
+  const remainingExecutionDailyLimit = executionDailyLimit.minus(executedPerDay)
+
+  // value > executionMaxPerTx
+  const requestsAboveMaxPerTx = requests.filter(event => executionMaxPerTx.lt(event.value))
+
+  // value <= executionMaxPerTx && remainingExecutionDailyLimit < value
+  const requestsAboveDailyLimit = requests
+    .filter(event => executionMaxPerTx.gte(event.value))
+    .filter(outOfRemainingQuota(remainingExecutionDailyLimit))
+
+  return {
+    aboveExecutionMaxPerTx: requestsAboveMaxPerTx.length,
+    aboveExecutionDailyLimit: requestsAboveDailyLimit.length,
+    aboveExecutionDailyLimitAmount: fromWei(BN.sum(0, ...requestsAboveDailyLimit.map(e => e.value)).toFixed()),
+    remainingExecutionDailyLimit: fromWei(remainingExecutionDailyLimit.toFixed())
+  }
+}
+
+async function main(bridgeMode, unprocessedRequests) {
+  const { homeRequests, foreignRequests } = unprocessedRequests
+
+  const { HOME_ABI, FOREIGN_ABI } = getBridgeABIs(bridgeMode)
+  const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ABI, COMMON_FOREIGN_BRIDGE_ADDRESS)
+  const homeBridge = new web3Home.eth.Contract(HOME_ABI, COMMON_HOME_BRIDGE_ADDRESS)
+
+  return {
+    home: await checkOutOfLimitsStats(homeBridge, foreignRequests),
+    foreign: await checkOutOfLimitsStats(foreignBridge, homeRequests)
+  }
+}
+
+module.exports = main

monitor/getShortEventStats.js

@@ -8,6 +8,7 @@ const {
   manuallyProcessedAMBHomeToForeignRequests
 } = require('./utils/message')
 const { BRIDGE_MODES } = require('../commons')
+const getRequestsOutOfLimits = require('./getRequestsOutOfLimits')
 const { getHomeTxSender } = require('./utils/web3Cache')
 
 const {
@@ -46,8 +47,11 @@ async function main(bridgeMode, eventsInfo) {
       depositsDiff: homeToForeignRequests.length - homeToForeignConfirmations.length,
       withdrawalDiff: foreignToHomeConfirmations.length - foreignToHomeRequests.length
     }
+
+    const onlyInHomeDeposits = homeToForeignRequests.filter(eventWithoutReference(homeToForeignConfirmations))
+    const onlyInForeignWithdrawals = foreignToHomeRequests.filter(eventWithoutReference(foreignToHomeConfirmations))
+
     if (MONITOR_HOME_TO_FOREIGN_ALLOWANCE_LIST || MONITOR_HOME_TO_FOREIGN_BLOCK_LIST) {
-      const onlyInHomeDeposits = homeToForeignRequests.filter(eventWithoutReference(homeToForeignConfirmations))
       if (MONITOR_HOME_TO_FOREIGN_CHECK_SENDER === 'true') {
         for (let i = 0; i < onlyInHomeDeposits.length; i++) {
           onlyInHomeDeposits[i].sender = await getHomeTxSender(onlyInHomeDeposits[i].transactionHash)
@@ -60,15 +64,23 @@ async function main(bridgeMode, eventsInfo) {
       stats.unclaimedDiff = unclaimedPool.length
       stats.unclaimedBalance = Web3Utils.fromWei(BN.sum(0, ...unclaimedPool.map(e => e.value)).toFixed())
     }
+
+    const limitsStats = await getRequestsOutOfLimits(bridgeMode, {
+      homeRequests: onlyInHomeDeposits,
+      foreignRequests: onlyInForeignWithdrawals
+    })
+
     return {
       ...stats,
       home: {
         deposits: homeToForeignRequests.length,
-        withdrawals: foreignToHomeConfirmations.length
+        withdrawals: foreignToHomeConfirmations.length,
+        outOfLimits: limitsStats.home
       },
       foreign: {
         deposits: homeToForeignConfirmations.length,
-        withdrawals: foreignToHomeRequests.length
+        withdrawals: foreignToHomeRequests.length,
+        outOfLimits: limitsStats.foreign
       }
     }
   }