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Abiv2 fuzzer: Retrieve values to be encoded from the fuzzer

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This commit is contained in:
Bhargava Shastry
2020-12-10 16:33:14 +01:00
parent fe79a27a0a
commit dc1c0e9d4e
4 changed files with 144 additions and 35 deletions
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test/tools/ossfuzz/AbiV2IsabelleFuzzer.cpp
+21 -3
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@@ -28,10 +28,28 @@ using namespace std;
static constexpr size_t abiCoderHeapSize = 1024 * 512;
DEFINE_PROTO_FUZZER(Contract const&)
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);
auto [encodeStatus, encodedData] = coder.encode("bool", "true");
solAssert(encodeStatus, "Isabelle abicoder fuzzer: Encoding failed");
if (!typeString.empty())
{
auto [encodeStatus, encodedData] = coder.encode(typeString, valueString);
solAssert(encodeStatus, "Isabelle abicoder fuzzer: Encoding failed");
}
return;
}