Submission Details
Severity:
Lack of check for user input `_amount > 0`
Summary
Lack of check _amount > 0 for Staking.deposit(), Staking.withdraw(), Fees.sellProfits().
Vulnerability Details
Checking non-zero transfer values can avoid an expensive external call and save gas.
Impact
Expensive external useless calls.
Tools Used
Manual review
Recommendations
Add a non-zero-value check on the 3 functions.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628
USDC / LOC
18,000 USDC
2,000 USDC
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