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Simple size check for old ABI decoder.

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chriseth
2018-03-21 14:53:25 +00:00
committed by Alex Beregszaszi
parent 2cdf44f65c
commit 32c94f5059
3 changed files with 97 additions and 32 deletions
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libsolidity/codegen/CompilerUtils.h
+7 -3
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@@ -90,8 +90,12 @@ public:
/// Creates code that unpacks the arguments according to their types specified by a vector of TypePointers.
/// From memory if @a _fromMemory is true, otherwise from call data.
/// Expects source offset on the stack, which is removed.
void abiDecode(TypePointers const& _typeParameters, bool _fromMemory = false);
/// Calls revert if @a _revertOnOutOfBounds is true and the supplied size is shorter
/// than the static data requirements or if dynamic data pointers reach outside of the
/// area. Also has a hard cap of 0x100000000 for any given length/offset field.
/// Stack pre: <source_offset> <length>
/// Stack post: <value0> <value1> ... <valuen>
void abiDecode(TypePointers const& _typeParameters, bool _fromMemory = false, bool _revertOnOutOfBounds = false);
/// Copies values (of types @a _givenTypes) given on the stack to a location in memory given
/// at the stack top, encoding them according to the ABI as the given types @a _targetTypes.
@@ -154,7 +158,7 @@ public:
/// Decodes data from ABI encoding into internal encoding. If @a _fromMemory is set to true,
/// the data is taken from memory instead of from calldata.
/// Can allocate memory.
/// Stack pre: <source_offset>
/// Stack pre: <source_offset> <length>
/// Stack post: <value0> <value1> ... <valuen>
void abiDecodeV2(TypePointers const& _parameterTypes, bool _fromMemory = false);