Differential D11682 Diff 34195 src/test/fuzz/load_external_block_file.cpp

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src/test/fuzz/load_external_block_file.cpp

	// Copyright (c) 2020 The Bitcoin Core developers			// Copyright (c) 2020 The Bitcoin Core developers
	// Distributed under the MIT software license, see the accompanying			// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.			// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#include <config.h>			#include <config.h>
	#include <flatfile.h>			#include <flatfile.h>
	#include <validation.h>			#include <validation.h>

	#include <test/fuzz/FuzzedDataProvider.h>			#include <test/fuzz/FuzzedDataProvider.h>
	#include <test/fuzz/fuzz.h>			#include <test/fuzz/fuzz.h>
	#include <test/fuzz/util.h>			#include <test/fuzz/util.h>
	#include <test/util/setup_common.h>			#include <test/util/setup_common.h>

	#include <cstdint>			#include <cstdint>
	#include <vector>			#include <vector>

				namespace {
				const TestingSetup *g_setup;
				} // namespace

	void initialize() {			void initialize() {
	static const auto testing_setup = MakeFuzzingContext<const TestingSetup>();			static const auto testing_setup = MakeFuzzingContext<const TestingSetup>();
				g_setup = testing_setup.get();
	}			}

	void test_one_input(const std::vector<uint8_t> &buffer) {			void test_one_input(const std::vector<uint8_t> &buffer) {
	FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};			FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
	FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);			FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
	FILE *fuzzed_block_file = fuzzed_file_provider.open();			FILE *fuzzed_block_file = fuzzed_file_provider.open();
	if (fuzzed_block_file == nullptr) {			if (fuzzed_block_file == nullptr) {
	return;			return;
	}			}
	FlatFilePos flat_file_pos;			FlatFilePos flat_file_pos;
	::ChainstateActive().LoadExternalBlockFile(			g_setup->m_node.chainman->ActiveChainstate().LoadExternalBlockFile(
	GetConfig(), fuzzed_block_file,			GetConfig(), fuzzed_block_file,
	fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr);			fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr);
	}			}