Differential D9132 Diff 27484 src/test/fuzz/load_external_block_file.cpp

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				// Copyright (c) 2020 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 <config.h>
				#include <flatfile.h>
				#include <validation.h>

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

				#include <cstdint>
				#include <vector>

				void initialize() {
				InitializeFuzzingContext();
				}

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