Submission Details
Severity:
Use assembly to check for `address(0)`
Summary
Use assembly to check for address(0)
Vulnerability Details
Saves 6 gas per instance
Instances (4):
File: 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();
106: if (i_arbiter == address(0)) revert Escrow__DisputeRequiresArbiter();
Link to code - https://github.com/Cyfrin/2023-07-escrow/tree/main/src/Escrow.sol
Tools Used
Manual Code Review
Recommendations
Use assembly for address(0) check
Prize pool breakdown
Total prize
40,000 USDC
nSLOC
186215 USDC / LOC
37,000 USDC
3,000 USDC
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