Submission Details
Severity:
Missing approve of _profits tokens before the swap is being executed
Summary
Before a swap is executed, tokens must be approved to be transferred by the router. Otherwise the swap will fail.
Impact
sellProfits() won't work as expected.
Tools Used
Manual Review
Recommendations
Add this line before the exactInputSingle() call:
IERC20(_profits).approve(address(swapRouter), 0);
IERC20(_profits).approve(address(swapRouter), amount);
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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