cerc-io/solidity
11
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Validate value types in decoder of ABIEncoderV2.

Browse Source
This commit is contained in:
Alex Beregszaszi
2019-04-03 11:32:02 +02:00
committed by chriseth
parent e9ffbefb05
commit 43008dd08e
5 changed files with 135 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libsolidity/codegen/ABIFunctions.h
+11 -3
View File
@@ -130,9 +130,17 @@ private:
/// @returns the name of the cleanup function for the given type and
/// adds its implementation to the requested functions.
/// The cleanup function defers to the validator function with "assert"
/// if there is no reasonable way to clean a value.
std::string cleanupFunction(Type const& _type);
/// @returns the name of the validator function for the given type and
/// adds its implementation to the requested functions.
/// @param _revertOnFailure if true, causes revert on invalid data,
/// otherwise an assertion failure.
std::string cleanupFunction(Type const& _type, bool _revertOnFailure = false);
///
/// This is used for data decoded from external sources.
std::string validatorFunction(Type const& _type, bool _revertOnFailure = false);
/// Performs cleanup after reading from a potentially compressed storage slot.
/// The function does not perform any validation, it just masks or sign-extends
@@ -146,10 +154,10 @@ private:
/// @returns the name of the function that converts a value of type @a _from
/// to a value of type @a _to. The resulting vale is guaranteed to be in range
/// (i.e. "clean"). Asserts on failure.
///
/// This is used for data being encoded or general type conversions in the code.
std::string conversionFunction(Type const& _from, Type const& _to);
std::string cleanupCombinedExternalFunctionIdFunction();
/// @returns the name of the ABI encoding function with the given type
/// and queues the generation of the function to the requested functions.
/// @param _fromStack if false, the input value was just loaded from storage