Bitcoin Core  27.99.0
P2P Digital Currency
load_external_block_file.cpp
Go to the documentation of this file.
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 <clientversion.h>
7 #include <flatfile.h>
9 #include <test/fuzz/fuzz.h>
10 #include <test/fuzz/util.h>
11 #include <test/util/setup_common.h>
12 #include <validation.h>
13 
14 #include <cstdint>
15 #include <vector>
16 
17 namespace {
18 const TestingSetup* g_setup;
19 } // namespace
20 
22 {
23  static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
24  g_setup = testing_setup.get();
25 }
26 
28 {
29  FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
30  FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
31  AutoFile fuzzed_block_file{fuzzed_file_provider.open()};
32  if (fuzzed_block_file.IsNull()) {
33  return;
34  }
35  if (fuzzed_data_provider.ConsumeBool()) {
36  // Corresponds to the -reindex case (track orphan blocks across files).
37  FlatFilePos flat_file_pos;
38  std::multimap<uint256, FlatFilePos> blocks_with_unknown_parent;
39  g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file, &flat_file_pos, &blocks_with_unknown_parent);
40  } else {
41  // Corresponds to the -loadblock= case (orphan blocks aren't tracked across files).
42  g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file);
43  }
44 }
Non-refcounted RAII wrapper for FILE*.
Definition: streams.h:389
void initialize_load_external_block_file()
FUZZ_TARGET(load_external_block_file,.init=initialize_load_external_block_file)
Testing setup that configures a complete environment.
Definition: setup_common.h:91