diff options
Diffstat (limited to 'src/test')
-rw-r--r-- | src/test/fuzz/blockfilter.cpp | 44 | ||||
-rw-r--r-- | src/test/fuzz/util.h | 10 |
2 files changed, 54 insertions, 0 deletions
diff --git a/src/test/fuzz/blockfilter.cpp b/src/test/fuzz/blockfilter.cpp new file mode 100644 index 0000000000..be9320dcbf --- /dev/null +++ b/src/test/fuzz/blockfilter.cpp @@ -0,0 +1,44 @@ +// 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 <blockfilter.h> +#include <optional.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <cstdint> +#include <string> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + const Optional<BlockFilter> block_filter = ConsumeDeserializable<BlockFilter>(fuzzed_data_provider); + if (!block_filter) { + return; + } + { + (void)block_filter->ComputeHeader(ConsumeUInt256(fuzzed_data_provider)); + (void)block_filter->GetBlockHash(); + (void)block_filter->GetEncodedFilter(); + (void)block_filter->GetHash(); + } + { + const BlockFilterType block_filter_type = block_filter->GetFilterType(); + (void)BlockFilterTypeName(block_filter_type); + } + { + const GCSFilter gcs_filter = block_filter->GetFilter(); + (void)gcs_filter.GetN(); + (void)gcs_filter.GetParams(); + (void)gcs_filter.GetEncoded(); + (void)gcs_filter.Match(ConsumeRandomLengthByteVector(fuzzed_data_provider)); + GCSFilter::ElementSet element_set; + while (fuzzed_data_provider.ConsumeBool()) { + element_set.insert(ConsumeRandomLengthByteVector(fuzzed_data_provider)); + gcs_filter.MatchAny(element_set); + } + } +} diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h index 47f8d3fb27..10be2ebaf7 100644 --- a/src/test/fuzz/util.h +++ b/src/test/fuzz/util.h @@ -13,6 +13,7 @@ #include <streams.h> #include <test/fuzz/FuzzedDataProvider.h> #include <test/fuzz/fuzz.h> +#include <uint256.h> #include <version.h> #include <cstdint> @@ -70,6 +71,15 @@ NODISCARD inline CScriptNum ConsumeScriptNum(FuzzedDataProvider& fuzzed_data_pro return CScriptNum{fuzzed_data_provider.ConsumeIntegral<int64_t>()}; } +NODISCARD inline uint256 ConsumeUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept +{ + const std::vector<unsigned char> v256 = fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint256)); + if (v256.size() != sizeof(uint256)) { + return {}; + } + return uint256{v256}; +} + template <typename T> bool MultiplicationOverflow(T i, T j) { |