Submission Details
Severity:
SmartVaultV3.swap fee tier is hardcoded
Summary
SmartVaultV3.swap fee tier is hardcoded, which doesn't allow users to make cheaper swaps.
Vulnerability Details
SmartVaultV3.swap function set uniswap fee tier as 3000 for all swaps and all type of collateral tokens being swapped. This is the most expensive tier and it's really likely that there will be other pools with cheaper fee tiers.
Impact
Users pay more fees for the swap
Tools Used
VsCode
Recommendations
Allow users to provide fee tier.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
60933 USDC / LOC
17,500 USDC
2,500 USDC
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