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eeeeb2a0b9
This refactor does not change any behavior. However, it is nice to know that no global mocktime leaks from the fuzz init step to the first fuzz input, or from one fuzz input execution to the next. With the clock context, the global is re-set at the end of the context.
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
// Copyright (c) 2020-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <chainparams.h>
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#include <clientversion.h>
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#include <flatfile.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <test/util/setup_common.h>
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#include <test/util/time.h>
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#include <util/time.h>
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#include <validation.h>
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#include <cstdint>
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#include <vector>
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namespace {
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const TestingSetup* g_setup;
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} // namespace
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void initialize_load_external_block_file()
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{
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static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
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g_setup = testing_setup.get();
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}
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FUZZ_TARGET(load_external_block_file, .init = initialize_load_external_block_file)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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NodeClockContext clock_ctx{ConsumeTime(fuzzed_data_provider)};
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FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
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AutoFile fuzzed_block_file{fuzzed_file_provider.open()};
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if (fuzzed_block_file.IsNull()) {
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return;
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}
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if (fuzzed_data_provider.ConsumeBool()) {
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// Corresponds to the -reindex case (track orphan blocks across files).
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FlatFilePos flat_file_pos;
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std::multimap<uint256, FlatFilePos> blocks_with_unknown_parent;
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g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file, &flat_file_pos, &blocks_with_unknown_parent);
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} else {
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// Corresponds to the -loadblock= case (orphan blocks aren't tracked across files).
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g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file);
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}
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}
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