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Issue error properly for oversized arrays for calldata

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This commit is contained in:
Alex Beregszaszi
2017-07-13 22:33:46 +02:00
parent 63bf0f68e6
commit cb4875a28b
4 changed files with 25 additions and 2 deletions
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libsolidity/ast/Types.cpp
+12 -1
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@@ -1395,12 +1395,23 @@ bool ArrayType::operator==(Type const& _other) const
return isDynamicallySized() || length() == other.length();
}
unsigned ArrayType::calldataEncodedSize(bool _padded) const
bool ArrayType::validForCalldata() const
{
return unlimitedCalldataEncodedSize(true) <= numeric_limits<unsigned>::max();
}
bigint ArrayType::unlimitedCalldataEncodedSize(bool _padded) const
{
if (isDynamicallySized())
return 32;
bigint size = bigint(length()) * (isByteArray() ? 1 : baseType()->calldataEncodedSize(_padded));
size = ((size + 31) / 32) * 32;
return size;
}
unsigned ArrayType::calldataEncodedSize(bool _padded) const
{
bigint size = unlimitedCalldataEncodedSize(_padded);
solAssert(size <= numeric_limits<unsigned>::max(), "Array size does not fit unsigned.");
return unsigned(size);
}