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Simple size check for old ABI decoder.

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chriseth authored and Alex Beregszaszi committed 2018-03-21 14:53:25 +00:00
1 parent 2cdf44f65c
commit 32c94f5059
3 files changed
+97 -32
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libsolidity/codegen/ContractCompiler.cpp
+2
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@@ -278,6 +278,7 @@ void ContractCompiler::appendConstructor(FunctionDefinition const& _constructor)
m_context.appendProgramSize();
m_context << Instruction::DUP4 << Instruction::CODECOPY;
m_context << Instruction::DUP2 << Instruction::ADD;
m_context << Instruction::DUP1;
CompilerUtils(m_context).storeFreeMemoryPointer();
// stack: <memptr>
CompilerUtils(m_context).abiDecode(FunctionType(_constructor).parameterTypes(), true);
@@ -367,6 +368,7 @@ void ContractCompiler::appendFunctionSelector(ContractDefinition const& _contrac
{
// Parameter for calldataUnpacker
m_context << CompilerUtils::dataStartOffset;
m_context << Instruction::DUP1 << Instruction::CALLDATASIZE << Instruction::SUB;
CompilerUtils(m_context).abiDecode(functionType->parameterTypes());
}
m_context.appendJumpTo(m_context.functionEntryLabel(functionType->declaration()));