Submission Details
Severity:
The arbitrum chain in version 0.8.20 does not support push0
Summary
push0 is an instruction which pushes the constant value 0 onto the stack. This opcode is still not supported by many chains, like Arbitrum and might be problematic for projects compiled with a version of Solidity >= 0.8.20 (when it was introduced).
Vulnerability Details
https://docs.arbitrum.io/for-devs/concepts/differences-between-arbitrum-ethereum/solidity-support
pragma solidity ^0.8.20;
Impact
'PUSH0' is not supported, leading to potential incompatibility issues
Tools Used
Manual review
Recommendations
Versions up to 0.8.19 (included) are fully compatible
Updates
Prize pool breakdown
Total prize
22,500 USDC
nSLOC
1,05421 USDC / LOC
20,000 USDC
2,500 USDC
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