Submission Details
Severity:
`<array>.length` Should Not Be Looked Up In Every Loop Of A `For`-loop
Summary
Vulnerability Details
The overheads outlined below are PER LOOP, excluding the first loop
storage arrays incur a Gwarmaccess (100 gas)
memory arrays use
MLOAD(3 gas)calldata arrays use
CALLDATALOAD(3 gas)
Caching the length changes each of these to aDUP<N>(3 gas), and gets rid of the extra DUPneeded to store the stack offset
Impact
Gas Consumption
Tools Used
Recommendations
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
23664 USDC / LOC
14,000 USDC
1,000 USDC
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