Submission Details
Severity:
For state variables, use `x = x + y` rather than `x += y`
Summary
For state variable arithmetic assignments, using syntax like x = x + y rather than x += y and x = x - y rather than x -= y will save 113 gas.
Vulnerability Details
There are 3 instances of this issue.
File: src/Staking.sol
41: balances[msg.sender] += _amount;
48: balances[msg.sender] -= _amount;
89: claimable[recipient] += _share;
| File Link | Instance Count | Instance Links |
|---|---|---|
| Staking.sol | 3 | 41,48,89 |
Impact
339 gas
Tools Used
baudit: a custom static code analysis tool; manual review
Recommendations
For state variables, use x = x + y rather than x += y.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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