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Add warning for EIP-3860 enforced initcode limits

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This commit is contained in:
Alex Beregszaszi 2023-04-15 13:43:05 +02:00
parent f0c0df2d8c
commit 3edcfce478
1 changed files with 19 additions and 1 deletions
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20
libsolidity/interface/CompilerStack.cpp
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@ -1322,7 +1322,7 @@ void CompilerStack::assemble(
} }
// Throw a warning if EIP-170 limits are exceeded: // Throw a warning if EIP-170 limits are exceeded:
// If contract creation returns data with length greater than 0x6000 (214 + 213) bytes, // If contract creation returns data with length greater than 0x6000 (2^14 + 2^13) bytes,
// contract creation fails with an out of gas error. // contract creation fails with an out of gas error.
if ( if (
m_evmVersion >= langutil::EVMVersion::spuriousDragon() && m_evmVersion >= langutil::EVMVersion::spuriousDragon() &&
@ -1338,6 +1338,24 @@ void CompilerStack::assemble(
"Consider enabling the optimizer (with a low \"runs\" value!), " "Consider enabling the optimizer (with a low \"runs\" value!), "
"turning off revert strings, or using libraries." "turning off revert strings, or using libraries."
); );
// Throw a warning if EIP-3860 limits are exceeded:
// If initcode is larger than 0xC000 bytes (twice the runtime code limit),
// then contract creation fails with an out of gas error.
if (
m_evmVersion >= langutil::EVMVersion::shanghai() &&
compiledContract.object.bytecode.size() > 0xC000
)
m_errorReporter.warning(
3860_error,
_contract.location(),
"Contract initcode size is "s +
to_string(compiledContract.object.bytecode.size()) +
" bytes and exceeds 49152 bytes (a limit introduced in Shanghai). "
"This contract may not be deployable on Mainnet. "
"Consider enabling the optimizer (with a low \"runs\" value!), "
"turning off revert strings, or using libraries."
);
} }
void CompilerStack::compileContract( void CompilerStack::compileContract(