Submission Details
Severity:
Place iteration increment (i++) in an unchecked block
Summary
i++ can be placed in unchecked blocks to save on gas as the bounds are already enforced.
Vulnerability Details
i++ can be placed in unchecked blocks to save on gas as the bounds are already enforced.
Impact
Gas
Tools Used
Manual Review
Recommendation
Place i++ in unchecked block. Consider the snippet below:
for (uint256 i; i < bound;) {
...Do stuff...
unchecked {
i++;
}
}
With this change made to all the loops in Lender.sol except the one in Lender.refinance(), a gas saving of ~110 gas was observed across tests. With a total gas saving of 1556 gas across all tests.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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