Submission Details
Severity:
Use assembly to check for `address(0)`
Summary
Example code is at Solidity Assembly: Checking if an Address is 0 (Efficiently).
Vulnerability Details
There are 4 instances of this issue.
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();
103: if (i_arbiter == address(0)) revert Escrow__DisputeRequiresArbiter();
| File Link | Instance Count | Instance Links |
|---|---|---|
| Escrow.sol | 4 | 40,41,42,103 |
Impact
24 gas
Tools Used
baudit: a custom static code analysis tool; manual review
Recommendations
Use assembly to check for address(0).
Prize pool breakdown
Total prize
40,000 USDC
nSLOC
186215
USDC / LOC
37,000 USDC
3,000 USDC
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