Submission Details
Severity:
Uniswap fee is hardcoded in Fees.sol
Summary
Uniswap fee is hardcoded in Fees smart contract. This could lead to non-optimal pools being used or even non-existing ones.
Vulnerability Details
Each pool on Uniswap v3 can have variants with different fee tiers - 0.05%, 0.1%, 0.3%, 1%. Fees smart contract has hardcoded value for fee. This could lead to router using pool with less liquidity or wasting gas because the pool does bit exist.
Impact
Swap could use less liquid pool leading to higher slippage or revert because the pool doesn't exist at all.
Tools Used
Manual review
Recommendations
Add second parameter to sellProfits function to accept fee value.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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