hal-large-balance-decrease-bot-1 v0.0.1

Large Balance Decrease Bot

Description

Detects if the balance of a protocol decreases significantly

Supported Chains

• Ethereum
• Polygon
• Avalanche

Alerts

Describe each of the type of alerts fired by this bot

• BALANCE-DECREASE-ASSETS-ALL-REMOVED

  • Fired when the token balance of a protocol is completely drained
  • Severity is always set to "critical"
  • Type is always set to "exploit"
  • Metadata:
    • firstTxHash - the hash of the first transaction for the period
    • lastTxHash - the hash of the last transaction for the period
    • assetImpacted - the drained asset

• BALANCE-DECREASE-ASSETS-PORTION-REMOVED

  • Fired when the token balance of a protocol decreases significantly
  • Severity is always set to "medium"
  • Type is always set to "exploit"
  • Metadata:
    • firstTxHash - the hash of the first transaction for the period
    • lastTxHash - the hash of the last transaction for the period
    • assetImpacted - the impacted asset
    • assetVolumeDecreasePercentage - the decrease percentage

Bot Setup Walkthrough

Test Data

The bot behaviour can be verified with the following commands:

• npm run block 13158432,13176177,13182676,13202391,13204222,13209657,13210732,13227537,13249184,13261896,13266552,13278108,13278248,13299220,13318971,13333652,13342229,13365887,13388139,13406596,13428536,13448391,13453200,13466158,13484500,13484904,13499798,13510000. Note: you have to change the contractAddress to 0xe89a6d0509faf730bd707bf868d9a2a744a363c7 and the aggregationTimePeriod to 86400