Line data    Source code

       1             : // Copyright (c) 2020 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <primitives/transaction.h>
       6             : #include <script/interpreter.h>
       7             : #include <test/fuzz/FuzzedDataProvider.h>
       8             : #include <test/fuzz/fuzz.h>
       9             : #include <test/fuzz/util.h>
      10             : 
      11             : #include <cstdint>
      12             : #include <optional>
      13             : #include <string>
      14             : #include <vector>
      15             : 
      16             : bool CastToBool(const std::vector<unsigned char>& vch);
      17             : 
      18           4 : FUZZ_TARGET(script_interpreter)
      19             : {
      20           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      21             :     {
      22           0 :         const CScript script_code = ConsumeScript(fuzzed_data_provider);
      23           0 :         const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
      24           0 :         if (mtx) {
      25           2 :             const CTransaction tx_to{*mtx};
      26           0 :             const unsigned int in = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
      27           0 :             if (in < tx_to.vin.size()) {
      28           0 :                 (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), nullptr);
      29           0 :                 const std::optional<CMutableTransaction> mtx_precomputed = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
      30           0 :                 if (mtx_precomputed) {
      31           0 :                     const CTransaction tx_precomputed{*mtx_precomputed};
      32           0 :                     const PrecomputedTransactionData precomputed_transaction_data{tx_precomputed};
      33           0 :                     (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), &precomputed_transaction_data);
      34           0 :                 }
      35           0 :             }
      36           0 :         }
      37           0 :     }
      38             :     {
      39           0 :         (void)CastToBool(ConsumeRandomLengthByteVector(fuzzed_data_provider));
      40             :     }
      41           0 : }