Submission Details
Severity:
Not all EVM compatible chains supports Solidity pragma 0.8.20
Summary
The contracts are using Solidity version 0.8.20 with its default Shanghai EVM version. The Shanghai fork introduced the
PUSH0 opcode and was only supported on certain chains
Impact
The contracts use solidity version 0.8.20, which can generate PUSH0 opcode. This opcode is not supported in all chains, and can cause the contracts to fail on deployment.
Tools Used
Manual review
Recommendations
Consider changing the EVM version from Shanghai to a widely supported version.
Rewards breakdown
nSLOC
218This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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