Submission Details
Severity:
Structs can be modified to fit in fewer storage slots
Summary
Structs can be modified to fit in fewer storage slots.
Vulnerability Details
Some member types can be safely modified, and as result, these struct will fit in fewer storage slots. Each slot saved can avoid an extra Gsset (20000 gas) for the first setting of the struct. Subsequent reads as well as writes have smaller gas savings.
Impact
Cost more gas.
Tools Used
Manual Review
Recommendations
Structs can be modified to fit in fewer storage slots.
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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