Submission Details
Severity:
Add unchecked blocks in for loops
Summary
Adding unchecked blocks for loop variable increment can save GAS
Vulnerability Details
Adding unchecked blocks for loop variable increment can save GAS
The following code
for (uint256 i = 0; i < borrows.length; i++) {
......
}
can be changed to
for (uint256 i = 0; i < borrows.length;) {
......
unchecked { i++; }
}
This is because there will never be a condition where i overflows, since
before that the operation will run out of GAS
Impact
GAS usage high
Tools Used
Manual Review
Recommendations
Add unchecked block for loop increment variables.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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