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// Copyright (c) 2020-2021 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 <merkleblock.h>
#include <policy/fees.h>
#include <rpc/util.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/error.h>
#include <util/translation.h>
#include <array>
#include <cstdint>
#include <optional>
#include <vector>
namespace {
constexpr TransactionError ALL_TRANSACTION_ERROR[] = {
TransactionError::OK,
TransactionError::MISSING_INPUTS,
TransactionError::ALREADY_IN_CHAIN,
TransactionError::P2P_DISABLED,
TransactionError::MEMPOOL_REJECTED,
TransactionError::MEMPOOL_ERROR,
TransactionError::INVALID_PSBT,
TransactionError::PSBT_MISMATCH,
TransactionError::SIGHASH_MISMATCH,
TransactionError::MAX_FEE_EXCEEDED,
};
}; // namespace
// The fuzzing kitchen sink: Fuzzing harness for functions that need to be
// fuzzed but a.) don't belong in any existing fuzzing harness file, and
// b.) are not important enough to warrant their own fuzzing harness file.
FUZZ_TARGET(kitchen_sink)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const TransactionError transaction_error = fuzzed_data_provider.PickValueInArray(ALL_TRANSACTION_ERROR);
(void)JSONRPCTransactionError(transaction_error);
(void)RPCErrorFromTransactionError(transaction_error);
(void)TransactionErrorString(transaction_error);
(void)StringForFeeEstimateHorizon(fuzzed_data_provider.PickValueInArray(ALL_FEE_ESTIMATE_HORIZONS));
const OutputType output_type = fuzzed_data_provider.PickValueInArray(OUTPUT_TYPES);
const std::string& output_type_string = FormatOutputType(output_type);
const std::optional<OutputType> parsed = ParseOutputType(output_type_string);
assert(parsed);
assert(output_type == parsed.value());
(void)ParseOutputType(fuzzed_data_provider.ConsumeRandomLengthString(64));
const std::vector<uint8_t> bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider);
const std::vector<bool> bits = BytesToBits(bytes);
const std::vector<uint8_t> bytes_decoded = BitsToBytes(bits);
assert(bytes == bytes_decoded);
}
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