Submission Details
Severity:
`<x> += <y>` costs more gas than `<x> = <x> + <y>` for state variables
Summary
Using the addition operator instead of plus-equals saves gas.
Impact
File: Lender.sol
263: pools[poolId].outstandingLoans += debt;
388: pools[poolId].outstandingLoans += totalDebt;
490: pools[poolId].outstandingLoans += totalDebt;
637: pools[poolId].outstandingLoans += debt;
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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