validation_load_mempool.cpp

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// Copyright (c) 2020-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include <kernel/mempool_persist.h>
 
#include <node/mempool_args.h>
#include <node/mempool_persist_args.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/fuzz/util/mempool.h>
#include <test/util/setup_common.h>
#include <test/util/txmempool.h>
#include <txmempool.h>
#include <util/time.h>
#include <validation.h>
 
#include <cstdint>
#include <vector>
 
using kernel::DumpMempool;
 
using node::MempoolPath;
 
namespace {
const TestingSetup* g_setup;
} // namespace
 
void initialize_validation_load_mempool()
{
    static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
    g_setup = testing_setup.get();
}
 
FUZZ_TARGET_INIT(validation_load_mempool, initialize_validation_load_mempool)
{
    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
    SetMockTime(ConsumeTime(fuzzed_data_provider));
    FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
 
    CTxMemPool pool{MemPoolOptionsForTest(g_setup->m_node)};
 
    auto& chainstate{static_cast<DummyChainState&>(g_setup->m_node.chainman->ActiveChainstate())};
    chainstate.SetMempool(&pool);
 
    auto fuzzed_fopen = [&](const fs::path&, const char*) {
        return fuzzed_file_provider.open();
    };
    (void)chainstate.LoadMempool(MempoolPath(g_setup->m_args), fuzzed_fopen);
    (void)DumpMempool(pool, MempoolPath(g_setup->m_args), fuzzed_fopen, true);
}