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 <blockfilter.h>
       6             : #include <test/fuzz/FuzzedDataProvider.h>
       7             : #include <test/fuzz/fuzz.h>
       8             : #include <test/fuzz/util.h>
       9             : 
      10             : #include <cstdint>
      11             : #include <optional>
      12             : #include <string>
      13             : #include <vector>
      14             : 
      15           4 : FUZZ_TARGET(blockfilter)
      16             : {
      17           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      18           0 :     const std::optional<BlockFilter> block_filter = ConsumeDeserializable<BlockFilter>(fuzzed_data_provider);
      19           0 :     if (!block_filter) {
      20           0 :         return;
      21             :     }
      22             :     {
      23           0 :         (void)block_filter->ComputeHeader(ConsumeUInt256(fuzzed_data_provider));
      24           0 :         (void)block_filter->GetBlockHash();
      25           2 :         (void)block_filter->GetEncodedFilter();
      26           0 :         (void)block_filter->GetHash();
      27             :     }
      28             :     {
      29           0 :         const BlockFilterType block_filter_type = block_filter->GetFilterType();
      30           0 :         (void)BlockFilterTypeName(block_filter_type);
      31             :     }
      32             :     {
      33           0 :         const GCSFilter gcs_filter = block_filter->GetFilter();
      34           0 :         (void)gcs_filter.GetN();
      35           0 :         (void)gcs_filter.GetParams();
      36           0 :         (void)gcs_filter.GetEncoded();
      37           0 :         (void)gcs_filter.Match(ConsumeRandomLengthByteVector(fuzzed_data_provider));
      38           0 :         GCSFilter::ElementSet element_set;
      39           0 :         LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 30000)
      40             :         {
      41           0 :             element_set.insert(ConsumeRandomLengthByteVector(fuzzed_data_provider));
      42           0 :         }
      43           0 :         gcs_filter.MatchAny(element_set);
      44           0 :     }
      45           0 : }