Submission Details
Severity:
Use assembly to check for address(0)
Summary
Use assembly to check for address(0).
Vulnerability Details
You can save about 6 gas per instance if using assembly to check for address(0)
Impact
There are 4 instances of this issue:
File: 2023-07-escrow/src/Escrow.sol
40: if (address(tokenContract) == address(0)) revert Escrow__TokenZeroAddress();
41: if (buyer == address(0)) revert Escrow__BuyerZeroAddress();
42: if (seller == address(0)) revert Escrow__SellerZeroAddress();
103: if (i_arbiter == address(0)) revert Escrow__DisputeRequiresArbiter();
Tools Used
Manual code review.
Recommendations
Consider using assembly instead.
Prize pool breakdown
Total prize
40,000 USDC
nSLOC
186215 USDC / LOC
37,000 USDC
3,000 USDC
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