Submission Details
Severity:
Uint cannot be less than 0
Summary
Uint cannot be less than zero
Vulnerability Details
As unsigned integers cannot be less than zero, _amount <= 0 uses an additional unnecessary operation and consumes more gas.
Impact
https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/blob/d1c5501aa79320ca0aeaa73f47f0dbc88c7b77e2/src/DecentralizedStableCoin.sol#L61
https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/blob/d1c5501aa79320ca0aeaa73f47f0dbc88c7b77e2/src/DecentralizedStableCoin.sol#L48
Tools Used
Manual review
Recommendations
Consider using if (_amount = 0) ...
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
23664 USDC / LOC
14,000 USDC
1,000 USDC
Live
The contest is live. Earn rewards by submitting a finding.
Appeals
This is your time to appeal against judgements on your submissions.
Appeals Review
Appeals are being carefully reviewed by our judges.