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b857ac60d9
Not only does this increase coverage, it is also more correct in that when ::LoadMempool is called with a mempool and chainstate, it calls AcceptToMemoryPool with just the chainstate. AcceptToMemoryPool will then act on the chainstate's mempool via CChainState::GetMempool, which may be different from the mempool originally passed to ::LoadMempool. (In this fuzz test's case, it definitely is different) Also, move DummyChainstate to its own file since it's now used by the validation_load_mempool fuzz test to replace CChainState's m_mempool.
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright (c) 2020 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 <chainparamsbase.h>
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#include <mempool_args.h>
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#include <node/mempool_persist_args.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/mempool_utils.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 <txmempool.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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using node::MempoolPath;
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namespace {
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const TestingSetup* g_setup;
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} // namespace
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void initialize_validation_load_mempool()
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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_INIT(validation_load_mempool, initialize_validation_load_mempool)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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SetMockTime(ConsumeTime(fuzzed_data_provider));
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FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
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CTxMemPool pool{MemPoolOptionsForTest(g_setup->m_node)};
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auto& chainstate{static_cast<DummyChainState&>(g_setup->m_node.chainman->ActiveChainstate())};
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chainstate.SetMempool(&pool);
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auto fuzzed_fopen = [&](const fs::path&, const char*) {
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return fuzzed_file_provider.open();
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};
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(void)chainstate.LoadMempool(g_setup->m_args, fuzzed_fopen);
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(void)DumpMempool(pool, MempoolPath(g_setup->m_args), fuzzed_fopen, true);
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}
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