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 <flatfile.h> 7 #include <test/fuzz/FuzzedDataProvider.h> 8 #include <test/fuzz/fuzz.h> 9 #include <test/fuzz/util.h> 10 #include <test/util/setup_common.h> 11 #include <validation.h> 12 13 #include <cstdint> 14 #include <vector> 15 16 namespace { 17 const TestingSetup* g_setup; 18 } // namespace 19 initialize_load_external_block_file()20void initialize_load_external_block_file() 21 { 22 static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(); 23 g_setup = testing_setup.get(); 24 } 25 FUZZ_TARGET_INIT(load_external_block_file,initialize_load_external_block_file)26FUZZ_TARGET_INIT(load_external_block_file, initialize_load_external_block_file) 27 { 28 FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()}; 29 FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider); 30 FILE* fuzzed_block_file = fuzzed_file_provider.open(); 31 if (fuzzed_block_file == nullptr) { 32 return; 33 } 34 FlatFilePos flat_file_pos; 35 g_setup->m_node.chainman->ActiveChainstate().LoadExternalBlockFile(fuzzed_block_file, fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr); 36 } 37