Missing check
Summary
Missing check if the collection was already whitelisted
Vulnerability Details
https://github.com/Cyfrin/2024-07-ark-project/blob/8f4f71d8b6487c316334a7e427f888cda01c8cff/apps/blockchain/ethereum/src/Bridge.sol#L286 - missing check for already whitelisted collections, misleading event can be emitted
Impact
Tools Used
Recommendations
Adding check if whiyelisted flag is already set
Lead Judging Commences
Informational / Gas
Please, do not suppose impacts, think about the real impact of the bug and check the CodeHawks documentation to confirm: https://docs.codehawks.com/hawks-auditors/how-to-determine-a-finding-validity A PoC always helps to understand the real impact possible.
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