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Disallow packed encoding of arrays of structs.

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This commit is contained in:
chriseth 2018-08-09 01:24:52 +02:00
parent 6954f83a0c
commit 0b65b2dff6
1 changed files with 10 additions and 10 deletions
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20
libsolidity/ast/Types.cpp
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@ -400,17 +400,17 @@ TypePointer Type::fullEncodingType(bool _inLibraryCall, bool _encoderV2, bool _p
encodingType = encodingType->interfaceType(_inLibraryCall);
if (encodingType)
encodingType = encodingType->encodingType();
if (auto structType = dynamic_cast<StructType const*>(encodingType.get()))
{
// Structs are fine in the following circumstances:
// - ABIv2 without packed encoding or,
// - storage struct for a library
if (!(
(_encoderV2 && !_packed) ||
(structType->location() == DataLocation::Storage && _inLibraryCall)
))
// Structs are fine in the following circumstances:
// - ABIv2 without packed encoding or,
// - storage struct for a library
if (_inLibraryCall && encodingType->dataStoredIn(DataLocation::Storage))
return encodingType;
TypePointer baseType = encodingType;
while (auto const* arrayType = dynamic_cast<ArrayType const*>(baseType.get()))
baseType = arrayType->baseType();
if (dynamic_cast<StructType const*>(baseType.get()))
if (!_encoderV2 || _packed)
return TypePointer();
}
return encodingType;
}