Submission Details
Severity:
Inconsistent performData Handling in checkUpkeep()
https://github.com/Cyfrin/2025-01-zaros-part-2/blob/main/src/external/chainlink/keepers/fee-conversion-keeper/FeeConversionKeeper
Vulnerability Details
If no fees exist, performData remains uninitialized.
Impact
This will cause inconsistencies in Chainlink Keepers.
Tools Used
Manual Review
Recommendations
Fix:
Explicitly return performData = "";.
Prize pool breakdown
Total prize
70,000 USDC
nSLOC
3,25821 USDC / LOC
66,500
3,500
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