diff options
Diffstat (limited to 'src/index/blockfilterindex.h')
| -rw-r--r-- | src/index/blockfilterindex.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/index/blockfilterindex.h b/src/index/blockfilterindex.h index 436d52515f..7ca43540c7 100644 --- a/src/index/blockfilterindex.h +++ b/src/index/blockfilterindex.h @@ -10,6 +10,14 @@ #include <flatfile.h> #include <index/base.h> +/** Interval between compact filter checkpoints. See BIP 157. */ +static constexpr int CFCHECKPT_INTERVAL = 1000; + +struct FilterHeaderHasher +{ + size_t operator()(const uint256& hash) const { return ReadLE64(hash.begin()); } +}; + /** * BlockFilterIndex is used to store and retrieve block filters, hashes, and headers for a range of * blocks by height. An index is constructed for each supported filter type with its own database @@ -30,6 +38,9 @@ private: bool ReadFilterFromDisk(const FlatFilePos& pos, BlockFilter& filter) const; size_t WriteFilterToDisk(FlatFilePos& pos, const BlockFilter& filter); + Mutex m_cs_headers_cache; + std::unordered_map<uint256, uint256, FilterHeaderHasher> m_headers_cache GUARDED_BY(m_cs_headers_cache); + protected: bool Init() override; @@ -54,7 +65,7 @@ public: bool LookupFilter(const CBlockIndex* block_index, BlockFilter& filter_out) const; /** Get a single filter header by block. */ - bool LookupFilterHeader(const CBlockIndex* block_index, uint256& header_out) const; + bool LookupFilterHeader(const CBlockIndex* block_index, uint256& header_out); /** Get a range of filters between two heights on a chain. */ bool LookupFilterRange(int start_height, const CBlockIndex* stop_index, |