text: // Copyright (c) 2020 The aRIA Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include <chainparams.h>
  #include <flatfile.h>
  #include <test/fuzz/FuzzedDataProvider.h>
  #include <test/fuzz/fuzz.h>
  #include <test/fuzz/util.h>
  #include <test/util/setup_common.h>
  #include <validation.h>
  
  #include <cstdint>
  #include <vector>
  
  void initialize()
  {
      InitializeFuzzingContext();
  }
  
  void test_one_input(const std::vector<uint8_t>& buffer)
  {
      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
      FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
      FILE* fuzzed_block_file = fuzzed_file_provider.open();
      if (fuzzed_block_file == nullptr) {
          return;
      }
      FlatFilePos flat_file_pos;
      LoadExternalBlockFile(Params(), fuzzed_block_file, fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr);
  }
  