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| author | practicalswift <practicalswift@users.noreply.github.com> | 2020-03-15 00:40:03 +0000 |
|---|---|---|
| committer | practicalswift <practicalswift@users.noreply.github.com> | 2020-03-15 15:19:50 +0000 |
| commit | 0579a276307d22ae62ecbcaa704e8477274e784d (patch) | |
| tree | 2cc7793034bc59089341b31e7d363e49678d531c /src | |
| parent | cb4eec13c03089617a94169b4e30381d87788b56 (diff) | |
| download | bitcoin-0579a276307d22ae62ecbcaa704e8477274e784d.tar.xz | |
tests: Add fuzzing harness for CBlockHeader
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/test/fuzz/block_header.cpp | 41 |
2 files changed, 48 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 161c925a53..46594a1a04 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -14,6 +14,7 @@ FUZZ_TARGETS = \ test/fuzz/block_deserialize \ test/fuzz/block_file_info_deserialize \ test/fuzz/block_filter_deserialize \ + test/fuzz/block_header \ test/fuzz/block_header_and_short_txids_deserialize \ test/fuzz/blockheader_deserialize \ test/fuzz/blocklocator_deserialize \ @@ -343,6 +344,12 @@ test_fuzz_block_filter_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_block_filter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_block_filter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp +test_fuzz_block_header_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_block_header_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_block_header_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_block_header_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_block_header_SOURCES = $(FUZZ_SUITE) test/fuzz/block_header.cpp + test_fuzz_block_header_and_short_txids_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DBLOCK_HEADER_AND_SHORT_TXIDS_DESERIALIZE=1 test_fuzz_block_header_and_short_txids_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_block_header_and_short_txids_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) diff --git a/src/test/fuzz/block_header.cpp b/src/test/fuzz/block_header.cpp new file mode 100644 index 0000000000..92dcccc0e1 --- /dev/null +++ b/src/test/fuzz/block_header.cpp @@ -0,0 +1,41 @@ +// 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 <optional.h> +#include <primitives/block.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> +#include <uint256.h> + +#include <cassert> +#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<CBlockHeader> block_header = ConsumeDeserializable<CBlockHeader>(fuzzed_data_provider); + if (!block_header) { + return; + } + { + const uint256 hash = block_header->GetHash(); + static const uint256 u256_max(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")); + assert(hash != u256_max); + assert(block_header->GetBlockTime() == block_header->nTime); + assert(block_header->IsNull() == (block_header->nBits == 0)); + } + { + CBlockHeader mut_block_header = *block_header; + mut_block_header.SetNull(); + assert(mut_block_header.IsNull()); + CBlock block{*block_header}; + assert(block.GetBlockHeader().GetHash() == block_header->GetHash()); + (void)block.ToString(); + block.SetNull(); + assert(block.GetBlockHeader().GetHash() == mut_block_header.GetHash()); + } +} |