1  // Copyright (c) 2020-2021 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 <chainparams.h>
 6  #include <consensus/validation.h>
 7  #include <primitives/block.h>
 8  #include <signet.h>
 9  #include <streams.h>
10  #include <test/fuzz/FuzzedDataProvider.h>
11  #include <test/fuzz/fuzz.h>
12  #include <test/fuzz/util.h>
13  #include <test/util/setup_common.h>
14  #include <util/chaintype.h>
15  
16  #include <cstdint>
17  #include <optional>
18  #include <vector>
19  
20  void initialize_signet()
21  {
22      static const auto testing_setup = MakeNoLogFileContext<>(ChainType::SIGNET);
23  }
24  
25  FUZZ_TARGET(signet, .init = initialize_signet)
26  {
27      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
28      const std::optional<CBlock> block = ConsumeDeserializable<CBlock>(fuzzed_data_provider, TX_WITH_WITNESS);
29      if (!block) {
30          return;
31      }
32      (void)CheckSignetBlockSolution(*block, Params().GetConsensus());
33      (void)SignetTxs::Create(*block, ConsumeScript(fuzzed_data_provider));
34  }