solidity/test/tools/ossfuzz/AbiV2IsabelleFuzzer.cpp
2020-12-10 21:03:58 +00:00

56 lines
1.8 KiB
C++

/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
#include <test/tools/ossfuzz/abiV2FuzzerCommon.h>
#include <test/tools/ossfuzz/protoToAbiV2.h>
#include <src/libfuzzer/libfuzzer_macro.h>
#include <abicoder.hpp>
using namespace solidity::test::abiv2fuzzer;
using namespace solidity::test;
using namespace std;
static constexpr size_t abiCoderHeapSize = 1024 * 512;
DEFINE_PROTO_FUZZER(Contract const& _contract)
{
ProtoConverter converter;
string contractSource = converter.contractToString(_contract);
if (const char* dump_path = getenv("PROTO_FUZZER_DUMP_PATH"))
{
// With libFuzzer binary run this to generate the solidity source file x.sol from a proto input:
// PROTO_FUZZER_DUMP_PATH=x.sol ./a.out proto-input
ofstream of(dump_path);
of << contractSource;
}
string typeString = converter.isabelleTypeString();
string valueString = converter.isabelleValueString();
std::cout << typeString << std::endl;
std::cout << valueString << std::endl;
abicoder::ABICoder coder(abiCoderHeapSize);
if (!typeString.empty())
{
auto [encodeStatus, encodedData] = coder.encode(typeString, valueString);
solAssert(encodeStatus, "Isabelle abicoder fuzzer: Encoding failed");
}
return;
}