Submission Details
Severity:
Gas Optimization & Code Efficiency
Summary
The use of bytes.concat() in calculating the leaf node is more expensive than necessary.
Tools Used
Slither & Aderyn
Recommendations
You can optimize the leaf calculation in the claim function by replacing bytes.concat(keccak256(abi.encode(account, amount))) with keccak256(abi.encodePacked(account, amount)), which is more gas-efficient.
Rewards breakdown
nSLOC
62This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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