Line data    Source code

       1             : // Copyright (c) 2020-2021 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <merkleblock.h>
       6             : #include <policy/fees.h>
       7             : #include <rpc/util.h>
       8             : #include <test/fuzz/FuzzedDataProvider.h>
       9             : #include <test/fuzz/fuzz.h>
      10             : #include <test/fuzz/util.h>
      11             : #include <util/error.h>
      12             : #include <util/translation.h>
      13             : 
      14             : #include <array>
      15             : #include <cstdint>
      16             : #include <optional>
      17           2 : #include <vector>
      18           2 : 
      19             : namespace {
      20             : constexpr TransactionError ALL_TRANSACTION_ERROR[] = {
      21             :     TransactionError::OK,
      22             :     TransactionError::MISSING_INPUTS,
      23             :     TransactionError::ALREADY_IN_CHAIN,
      24             :     TransactionError::P2P_DISABLED,
      25           2 :     TransactionError::MEMPOOL_REJECTED,
      26             :     TransactionError::MEMPOOL_ERROR,
      27           2 :     TransactionError::INVALID_PSBT,
      28             :     TransactionError::PSBT_MISMATCH,
      29             :     TransactionError::SIGHASH_MISMATCH,
      30             :     TransactionError::MAX_FEE_EXCEEDED,
      31             : };
      32             : }; // namespace
      33             : 
      34             : // The fuzzing kitchen sink: Fuzzing harness for functions that need to be
      35             : // fuzzed but a.) don't belong in any existing fuzzing harness file, and
      36             : // b.) are not important enough to warrant their own fuzzing harness file.
      37           4 : FUZZ_TARGET(kitchen_sink)
      38             : {
      39           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      40             : 
      41           0 :     const TransactionError transaction_error = fuzzed_data_provider.PickValueInArray(ALL_TRANSACTION_ERROR);
      42           0 :     (void)JSONRPCTransactionError(transaction_error);
      43           0 :     (void)RPCErrorFromTransactionError(transaction_error);
      44           0 :     (void)TransactionErrorString(transaction_error);
      45             : 
      46           0 :     (void)StringForFeeEstimateHorizon(fuzzed_data_provider.PickValueInArray(ALL_FEE_ESTIMATE_HORIZONS));
      47             : 
      48           0 :     const OutputType output_type = fuzzed_data_provider.PickValueInArray(OUTPUT_TYPES);
      49           0 :     const std::string& output_type_string = FormatOutputType(output_type);
      50           0 :     const std::optional<OutputType> parsed = ParseOutputType(output_type_string);
      51           0 :     assert(parsed);
      52           0 :     assert(output_type == parsed.value());
      53           0 :     (void)ParseOutputType(fuzzed_data_provider.ConsumeRandomLengthString(64));
      54             : 
      55           0 :     const std::vector<uint8_t> bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider);
      56           0 :     const std::vector<bool> bits = BytesToBits(bytes);
      57           0 :     const std::vector<uint8_t> bytes_decoded = BitsToBytes(bits);
      58           0 :     assert(bytes == bytes_decoded);
      59           0 : }