Submission Details
Severity:
Use assembly to hash instead of solidity
function solidityHash(uint256 a, uint256 b) public view {
//unoptimized
keccak256(abi.encodePacked(a, b));
}
Gas: 313
function assemblyHash(uint256 a, uint256 b) public view {
//optimized
assembly {
mstore(0x00, a)
mstore(0x20, b)
let hashedVal := keccak256(0x00, 0x40)
}
}
Gas: 231
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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