1  // Copyright (c) 2020-present 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 <protocol.h>
 6  #include <test/fuzz/FuzzedDataProvider.h>
 7  #include <test/fuzz/fuzz.h>
 8  #include <test/fuzz/util.h>
 9  
10  #include <cstdint>
11  #include <optional>
12  #include <stdexcept>
13  #include <vector>
14  
15  FUZZ_TARGET(protocol)
16  {
17      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
18      const std::optional<CInv> inv = ConsumeDeserializable<CInv>(fuzzed_data_provider);
19      if (!inv) {
20          return;
21      }
22      try {
23          (void)inv->GetMessageType();
24      } catch (const std::out_of_range&) {
25      }
26      (void)inv->ToString();
27      const std::optional<CInv> another_inv = ConsumeDeserializable<CInv>(fuzzed_data_provider);
28      if (!another_inv) {
29          return;
30      }
31      (void)(*inv < *another_inv);
32  }