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-rw-r--r--src/Makefile.am2
-rw-r--r--src/Makefile.test.include1
-rw-r--r--src/blockfilter.cpp58
-rw-r--r--src/blockfilter.h13
-rw-r--r--src/index/base.cpp63
-rw-r--r--src/index/base.h21
-rw-r--r--src/index/blockfilterindex.cpp467
-rw-r--r--src/index/blockfilterindex.h94
-rw-r--r--src/init.cpp45
-rw-r--r--src/rpc/blockchain.cpp82
-rw-r--r--src/serialize.h11
-rw-r--r--src/test/blockfilter_index_tests.cpp307
-rw-r--r--src/test/blockfilter_tests.cpp25
-rw-r--r--src/test/data/blockfilters.json10
-rw-r--r--src/txdb.h2
-rw-r--r--src/validation.h1
16 files changed, 1180 insertions, 22 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 859c17afbd..059ed18134 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -134,6 +134,7 @@ BITCOIN_CORE_H = \
httprpc.h \
httpserver.h \
index/base.h \
+ index/blockfilterindex.h \
index/txindex.h \
indirectmap.h \
init.h \
@@ -263,6 +264,7 @@ libbitcoin_server_a_SOURCES = \
httprpc.cpp \
httpserver.cpp \
index/base.cpp \
+ index/blockfilterindex.cpp \
index/txindex.cpp \
interfaces/chain.cpp \
interfaces/node.cpp \
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index e248ef970f..692f8d97b3 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -92,6 +92,7 @@ BITCOIN_TESTS =\
test/blockchain_tests.cpp \
test/blockencodings_tests.cpp \
test/blockfilter_tests.cpp \
+ test/blockfilter_index_tests.cpp \
test/bloom_tests.cpp \
test/bswap_tests.cpp \
test/checkqueue_tests.cpp \
diff --git a/src/blockfilter.cpp b/src/blockfilter.cpp
index e15213c552..787390be31 100644
--- a/src/blockfilter.cpp
+++ b/src/blockfilter.cpp
@@ -2,6 +2,9 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include <mutex>
+#include <sstream>
+
#include <blockfilter.h>
#include <crypto/siphash.h>
#include <hash.h>
@@ -15,6 +18,10 @@ static constexpr int GCS_SER_TYPE = SER_NETWORK;
/// Protocol version used to serialize parameters in GCS filter encoding.
static constexpr int GCS_SER_VERSION = 0;
+static const std::map<BlockFilterType, std::string> g_filter_types = {
+ {BlockFilterType::BASIC, "basic"},
+};
+
template <typename OStream>
static void GolombRiceEncode(BitStreamWriter<OStream>& bitwriter, uint8_t P, uint64_t x)
{
@@ -197,6 +204,57 @@ bool GCSFilter::MatchAny(const ElementSet& elements) const
return MatchInternal(queries.data(), queries.size());
}
+const std::string& BlockFilterTypeName(BlockFilterType filter_type)
+{
+ static std::string unknown_retval = "";
+ auto it = g_filter_types.find(filter_type);
+ return it != g_filter_types.end() ? it->second : unknown_retval;
+}
+
+bool BlockFilterTypeByName(const std::string& name, BlockFilterType& filter_type) {
+ for (const auto& entry : g_filter_types) {
+ if (entry.second == name) {
+ filter_type = entry.first;
+ return true;
+ }
+ }
+ return false;
+}
+
+const std::vector<BlockFilterType>& AllBlockFilterTypes()
+{
+ static std::vector<BlockFilterType> types;
+
+ static std::once_flag flag;
+ std::call_once(flag, []() {
+ types.reserve(g_filter_types.size());
+ for (auto entry : g_filter_types) {
+ types.push_back(entry.first);
+ }
+ });
+
+ return types;
+}
+
+const std::string& ListBlockFilterTypes()
+{
+ static std::string type_list;
+
+ static std::once_flag flag;
+ std::call_once(flag, []() {
+ std::stringstream ret;
+ bool first = true;
+ for (auto entry : g_filter_types) {
+ if (!first) ret << ", ";
+ ret << entry.second;
+ first = false;
+ }
+ type_list = ret.str();
+ });
+
+ return type_list;
+}
+
static GCSFilter::ElementSet BasicFilterElements(const CBlock& block,
const CBlockUndo& block_undo)
{
diff --git a/src/blockfilter.h b/src/blockfilter.h
index e5e087ed5a..914b94fec1 100644
--- a/src/blockfilter.h
+++ b/src/blockfilter.h
@@ -6,6 +6,7 @@
#define BITCOIN_BLOCKFILTER_H
#include <stdint.h>
+#include <string>
#include <unordered_set>
#include <vector>
@@ -89,6 +90,18 @@ enum class BlockFilterType : uint8_t
INVALID = 255,
};
+/** Get the human-readable name for a filter type. Returns empty string for unknown types. */
+const std::string& BlockFilterTypeName(BlockFilterType filter_type);
+
+/** Find a filter type by its human-readable name. */
+bool BlockFilterTypeByName(const std::string& name, BlockFilterType& filter_type);
+
+/** Get a list of known filter types. */
+const std::vector<BlockFilterType>& AllBlockFilterTypes();
+
+/** Get a comma-separated list of known filter type names. */
+const std::string& ListBlockFilterTypes();
+
/**
* Complete block filter struct as defined in BIP 157. Serialization matches
* payload of "cfilter" messages.
diff --git a/src/index/base.cpp b/src/index/base.cpp
index f6f59572ce..9e48f0bd27 100644
--- a/src/index/base.cpp
+++ b/src/index/base.cpp
@@ -41,9 +41,9 @@ bool BaseIndex::DB::ReadBestBlock(CBlockLocator& locator) const
return success;
}
-bool BaseIndex::DB::WriteBestBlock(const CBlockLocator& locator)
+void BaseIndex::DB::WriteBestBlock(CDBBatch& batch, const CBlockLocator& locator)
{
- return Write(DB_BEST_BLOCK, locator);
+ batch.Write(DB_BEST_BLOCK, locator);
}
BaseIndex::~BaseIndex()
@@ -95,7 +95,11 @@ void BaseIndex::ThreadSync()
int64_t last_locator_write_time = 0;
while (true) {
if (m_interrupt) {
- WriteBestBlock(pindex);
+ m_best_block_index = pindex;
+ // No need to handle errors in Commit. If it fails, the error will be already be
+ // logged. The best way to recover is to continue, as index cannot be corrupted by
+ // a missed commit to disk for an advanced index state.
+ Commit();
return;
}
@@ -103,11 +107,17 @@ void BaseIndex::ThreadSync()
LOCK(cs_main);
const CBlockIndex* pindex_next = NextSyncBlock(pindex);
if (!pindex_next) {
- WriteBestBlock(pindex);
m_best_block_index = pindex;
m_synced = true;
+ // No need to handle errors in Commit. See rationale above.
+ Commit();
break;
}
+ if (pindex_next->pprev != pindex && !Rewind(pindex, pindex_next->pprev)) {
+ FatalError("%s: Failed to rewind index %s to a previous chain tip",
+ __func__, GetName());
+ return;
+ }
pindex = pindex_next;
}
@@ -119,8 +129,10 @@ void BaseIndex::ThreadSync()
}
if (last_locator_write_time + SYNC_LOCATOR_WRITE_INTERVAL < current_time) {
- WriteBestBlock(pindex);
+ m_best_block_index = pindex;
last_locator_write_time = current_time;
+ // No need to handle errors in Commit. See rationale above.
+ Commit();
}
CBlock block;
@@ -144,12 +156,35 @@ void BaseIndex::ThreadSync()
}
}
-bool BaseIndex::WriteBestBlock(const CBlockIndex* block_index)
+bool BaseIndex::Commit()
+{
+ CDBBatch batch(GetDB());
+ if (!CommitInternal(batch) || !GetDB().WriteBatch(batch)) {
+ return error("%s: Failed to commit latest %s state", __func__, GetName());
+ }
+ return true;
+}
+
+bool BaseIndex::CommitInternal(CDBBatch& batch)
{
LOCK(cs_main);
- if (!GetDB().WriteBestBlock(chainActive.GetLocator(block_index))) {
- return error("%s: Failed to write locator to disk", __func__);
+ GetDB().WriteBestBlock(batch, chainActive.GetLocator(m_best_block_index));
+ return true;
+}
+
+bool BaseIndex::Rewind(const CBlockIndex* current_tip, const CBlockIndex* new_tip)
+{
+ assert(current_tip == m_best_block_index);
+ assert(current_tip->GetAncestor(new_tip->nHeight) == new_tip);
+
+ // In the case of a reorg, ensure persisted block locator is not stale.
+ m_best_block_index = new_tip;
+ if (!Commit()) {
+ // If commit fails, revert the best block index to avoid corruption.
+ m_best_block_index = current_tip;
+ return false;
}
+
return true;
}
@@ -180,6 +215,11 @@ void BaseIndex::BlockConnected(const std::shared_ptr<const CBlock>& block, const
best_block_index->GetBlockHash().ToString());
return;
}
+ if (best_block_index != pindex->pprev && !Rewind(best_block_index, pindex->pprev)) {
+ FatalError("%s: Failed to rewind index %s to a previous chain tip",
+ __func__, GetName());
+ return;
+ }
}
if (WriteBlock(*block, pindex)) {
@@ -224,9 +264,10 @@ void BaseIndex::ChainStateFlushed(const CBlockLocator& locator)
return;
}
- if (!GetDB().WriteBestBlock(locator)) {
- error("%s: Failed to write locator to disk", __func__);
- }
+ // No need to handle errors in Commit. If it fails, the error will be already be logged. The
+ // best way to recover is to continue, as index cannot be corrupted by a missed commit to disk
+ // for an advanced index state.
+ Commit();
}
bool BaseIndex::BlockUntilSyncedToCurrentChain()
diff --git a/src/index/base.h b/src/index/base.h
index 04ee6e6cc2..31acbed0c1 100644
--- a/src/index/base.h
+++ b/src/index/base.h
@@ -32,7 +32,7 @@ protected:
bool ReadBestBlock(CBlockLocator& locator) const;
/// Write block locator of the chain that the txindex is in sync with.
- bool WriteBestBlock(const CBlockLocator& locator);
+ void WriteBestBlock(CDBBatch& batch, const CBlockLocator& locator);
};
private:
@@ -54,8 +54,15 @@ private:
/// over and the sync thread exits.
void ThreadSync();
- /// Write the current chain block locator to the DB.
- bool WriteBestBlock(const CBlockIndex* block_index);
+ /// Write the current index state (eg. chain block locator and subclass-specific items) to disk.
+ ///
+ /// Recommendations for error handling:
+ /// If called on a successor of the previous committed best block in the index, the index can
+ /// continue processing without risk of corruption, though the index state will need to catch up
+ /// from further behind on reboot. If the new state is not a successor of the previous state (due
+ /// to a chain reorganization), the index must halt until Commit succeeds or else it could end up
+ /// getting corrupted.
+ bool Commit();
protected:
void BlockConnected(const std::shared_ptr<const CBlock>& block, const CBlockIndex* pindex,
@@ -69,6 +76,14 @@ protected:
/// Write update index entries for a newly connected block.
virtual bool WriteBlock(const CBlock& block, const CBlockIndex* pindex) { return true; }
+ /// Virtual method called internally by Commit that can be overridden to atomically
+ /// commit more index state.
+ virtual bool CommitInternal(CDBBatch& batch);
+
+ /// Rewind index to an earlier chain tip during a chain reorg. The tip must
+ /// be an ancestor of the current best block.
+ virtual bool Rewind(const CBlockIndex* current_tip, const CBlockIndex* new_tip);
+
virtual DB& GetDB() const = 0;
/// Get the name of the index for display in logs.
diff --git a/src/index/blockfilterindex.cpp b/src/index/blockfilterindex.cpp
new file mode 100644
index 0000000000..20f33baf2c
--- /dev/null
+++ b/src/index/blockfilterindex.cpp
@@ -0,0 +1,467 @@
+// Copyright (c) 2018 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 <map>
+
+#include <dbwrapper.h>
+#include <index/blockfilterindex.h>
+#include <util/system.h>
+#include <validation.h>
+
+/* The index database stores three items for each block: the disk location of the encoded filter,
+ * its dSHA256 hash, and the header. Those belonging to blocks on the active chain are indexed by
+ * height, and those belonging to blocks that have been reorganized out of the active chain are
+ * indexed by block hash. This ensures that filter data for any block that becomes part of the
+ * active chain can always be retrieved, alleviating timing concerns.
+ *
+ * The filters themselves are stored in flat files and referenced by the LevelDB entries. This
+ * minimizes the amount of data written to LevelDB and keeps the database values constant size. The
+ * disk location of the next block filter to be written (represented as a FlatFilePos) is stored
+ * under the DB_FILTER_POS key.
+ *
+ * Keys for the height index have the type [DB_BLOCK_HEIGHT, uint32 (BE)]. The height is represented
+ * as big-endian so that sequential reads of filters by height are fast.
+ * Keys for the hash index have the type [DB_BLOCK_HASH, uint256].
+ */
+constexpr char DB_BLOCK_HASH = 's';
+constexpr char DB_BLOCK_HEIGHT = 't';
+constexpr char DB_FILTER_POS = 'P';
+
+constexpr unsigned int MAX_FLTR_FILE_SIZE = 0x1000000; // 16 MiB
+/** The pre-allocation chunk size for fltr?????.dat files */
+constexpr unsigned int FLTR_FILE_CHUNK_SIZE = 0x100000; // 1 MiB
+
+namespace {
+
+struct DBVal {
+ uint256 hash;
+ uint256 header;
+ FlatFilePos pos;
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action) {
+ READWRITE(hash);
+ READWRITE(header);
+ READWRITE(pos);
+ }
+};
+
+struct DBHeightKey {
+ int height;
+
+ DBHeightKey() : height(0) {}
+ DBHeightKey(int height_in) : height(height_in) {}
+
+ template<typename Stream>
+ void Serialize(Stream& s) const
+ {
+ ser_writedata8(s, DB_BLOCK_HEIGHT);
+ ser_writedata32be(s, height);
+ }
+
+ template<typename Stream>
+ void Unserialize(Stream& s)
+ {
+ char prefix = ser_readdata8(s);
+ if (prefix != DB_BLOCK_HEIGHT) {
+ throw std::ios_base::failure("Invalid format for block filter index DB height key");
+ }
+ height = ser_readdata32be(s);
+ }
+};
+
+struct DBHashKey {
+ uint256 hash;
+
+ DBHashKey(const uint256& hash_in) : hash(hash_in) {}
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action) {
+ char prefix = DB_BLOCK_HASH;
+ READWRITE(prefix);
+ if (prefix != DB_BLOCK_HASH) {
+ throw std::ios_base::failure("Invalid format for block filter index DB hash key");
+ }
+
+ READWRITE(hash);
+ }
+};
+
+}; // namespace
+
+static std::map<BlockFilterType, BlockFilterIndex> g_filter_indexes;
+
+BlockFilterIndex::BlockFilterIndex(BlockFilterType filter_type,
+ size_t n_cache_size, bool f_memory, bool f_wipe)
+ : m_filter_type(filter_type)
+{
+ const std::string& filter_name = BlockFilterTypeName(filter_type);
+ if (filter_name.empty()) throw std::invalid_argument("unknown filter_type");
+
+ fs::path path = GetDataDir() / "indexes" / "blockfilter" / filter_name;
+ fs::create_directories(path);
+
+ m_name = filter_name + " block filter index";
+ m_db = MakeUnique<BaseIndex::DB>(path / "db", n_cache_size, f_memory, f_wipe);
+ m_filter_fileseq = MakeUnique<FlatFileSeq>(std::move(path), "fltr", FLTR_FILE_CHUNK_SIZE);
+}
+
+bool BlockFilterIndex::Init()
+{
+ if (!m_db->Read(DB_FILTER_POS, m_next_filter_pos)) {
+ // Check that the cause of the read failure is that the key does not exist. Any other errors
+ // indicate database corruption or a disk failure, and starting the index would cause
+ // further corruption.
+ if (m_db->Exists(DB_FILTER_POS)) {
+ return error("%s: Cannot read current %s state; index may be corrupted",
+ __func__, GetName());
+ }
+
+ // If the DB_FILTER_POS is not set, then initialize to the first location.
+ m_next_filter_pos.nFile = 0;
+ m_next_filter_pos.nPos = 0;
+ }
+ return BaseIndex::Init();
+}
+
+bool BlockFilterIndex::CommitInternal(CDBBatch& batch)
+{
+ const FlatFilePos& pos = m_next_filter_pos;
+
+ // Flush current filter file to disk.
+ CAutoFile file(m_filter_fileseq->Open(pos), SER_DISK, CLIENT_VERSION);
+ if (file.IsNull()) {
+ return error("%s: Failed to open filter file %d", __func__, pos.nFile);
+ }
+ if (!FileCommit(file.Get())) {
+ return error("%s: Failed to commit filter file %d", __func__, pos.nFile);
+ }
+
+ batch.Write(DB_FILTER_POS, pos);
+ return BaseIndex::CommitInternal(batch);
+}
+
+bool BlockFilterIndex::ReadFilterFromDisk(const FlatFilePos& pos, BlockFilter& filter) const
+{
+ CAutoFile filein(m_filter_fileseq->Open(pos, true), SER_DISK, CLIENT_VERSION);
+ if (filein.IsNull()) {
+ return false;
+ }
+
+ uint256 block_hash;
+ std::vector<unsigned char> encoded_filter;
+ try {
+ filein >> block_hash >> encoded_filter;
+ filter = BlockFilter(GetFilterType(), block_hash, std::move(encoded_filter));
+ }
+ catch (const std::exception& e) {
+ return error("%s: Failed to deserialize block filter from disk: %s", __func__, e.what());
+ }
+
+ return true;
+}
+
+size_t BlockFilterIndex::WriteFilterToDisk(FlatFilePos& pos, const BlockFilter& filter)
+{
+ assert(filter.GetFilterType() == GetFilterType());
+
+ size_t data_size =
+ GetSerializeSize(filter.GetBlockHash(), CLIENT_VERSION) +
+ GetSerializeSize(filter.GetEncodedFilter(), CLIENT_VERSION);
+
+ // If writing the filter would overflow the file, flush and move to the next one.
+ if (pos.nPos + data_size > MAX_FLTR_FILE_SIZE) {
+ CAutoFile last_file(m_filter_fileseq->Open(pos), SER_DISK, CLIENT_VERSION);
+ if (last_file.IsNull()) {
+ LogPrintf("%s: Failed to open filter file %d\n", __func__, pos.nFile);
+ return 0;
+ }
+ if (!TruncateFile(last_file.Get(), pos.nPos)) {
+ LogPrintf("%s: Failed to truncate filter file %d\n", __func__, pos.nFile);
+ return 0;
+ }
+ if (!FileCommit(last_file.Get())) {
+ LogPrintf("%s: Failed to commit filter file %d\n", __func__, pos.nFile);
+ return 0;
+ }
+
+ pos.nFile++;
+ pos.nPos = 0;
+ }
+
+ // Pre-allocate sufficient space for filter data.
+ bool out_of_space;
+ m_filter_fileseq->Allocate(pos, data_size, out_of_space);
+ if (out_of_space) {
+ LogPrintf("%s: out of disk space\n", __func__);
+ return 0;
+ }
+
+ CAutoFile fileout(m_filter_fileseq->Open(pos), SER_DISK, CLIENT_VERSION);
+ if (fileout.IsNull()) {
+ LogPrintf("%s: Failed to open filter file %d\n", __func__, pos.nFile);
+ return 0;
+ }
+
+ fileout << filter.GetBlockHash() << filter.GetEncodedFilter();
+ return data_size;
+}
+
+bool BlockFilterIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
+{
+ CBlockUndo block_undo;
+ uint256 prev_header;
+
+ if (pindex->nHeight > 0) {
+ if (!UndoReadFromDisk(block_undo, pindex)) {
+ return false;
+ }
+
+ std::pair<uint256, DBVal> read_out;
+ if (!m_db->Read(DBHeightKey(pindex->nHeight - 1), read_out)) {
+ return false;
+ }
+
+ uint256 expected_block_hash = pindex->pprev->GetBlockHash();
+ if (read_out.first != expected_block_hash) {
+ return error("%s: previous block header belongs to unexpected block %s; expected %s",
+ __func__, read_out.first.ToString(), expected_block_hash.ToString());
+ }
+
+ prev_header = read_out.second.header;
+ }
+
+ BlockFilter filter(m_filter_type, block, block_undo);
+
+ size_t bytes_written = WriteFilterToDisk(m_next_filter_pos, filter);
+ if (bytes_written == 0) return false;
+
+ std::pair<uint256, DBVal> value;
+ value.first = pindex->GetBlockHash();
+ value.second.hash = filter.GetHash();
+ value.second.header = filter.ComputeHeader(prev_header);
+ value.second.pos = m_next_filter_pos;
+
+ if (!m_db->Write(DBHeightKey(pindex->nHeight), value)) {
+ return false;
+ }
+
+ m_next_filter_pos.nPos += bytes_written;
+ return true;
+}
+
+static bool CopyHeightIndexToHashIndex(CDBIterator& db_it, CDBBatch& batch,
+ const std::string& index_name,
+ int start_height, int stop_height)
+{
+ DBHeightKey key(start_height);
+ db_it.Seek(key);
+
+ for (int height = start_height; height <= stop_height; ++height) {
+ if (!db_it.GetKey(key) || key.height != height) {
+ return error("%s: unexpected key in %s: expected (%c, %d)",
+ __func__, index_name, DB_BLOCK_HEIGHT, height);
+ }
+
+ std::pair<uint256, DBVal> value;
+ if (!db_it.GetValue(value)) {
+ return error("%s: unable to read value in %s at key (%c, %d)",
+ __func__, index_name, DB_BLOCK_HEIGHT, height);
+ }
+
+ batch.Write(DBHashKey(value.first), std::move(value.second));
+
+ db_it.Next();
+ }
+ return true;
+}
+
+bool BlockFilterIndex::Rewind(const CBlockIndex* current_tip, const CBlockIndex* new_tip)
+{
+ assert(current_tip->GetAncestor(new_tip->nHeight) == new_tip);
+
+ CDBBatch batch(*m_db);
+ std::unique_ptr<CDBIterator> db_it(m_db->NewIterator());
+
+ // During a reorg, we need to copy all filters for blocks that are getting disconnected from the
+ // height index to the hash index so we can still find them when the height index entries are
+ // overwritten.
+ if (!CopyHeightIndexToHashIndex(*db_it, batch, m_name, new_tip->nHeight, current_tip->nHeight)) {
+ return false;
+ }
+
+ // The latest filter position gets written in Commit by the call to the BaseIndex::Rewind.
+ // But since this creates new references to the filter, the position should get updated here
+ // atomically as well in case Commit fails.
+ batch.Write(DB_FILTER_POS, m_next_filter_pos);
+ if (!m_db->WriteBatch(batch)) return false;
+
+ return BaseIndex::Rewind(current_tip, new_tip);
+}
+
+static bool LookupOne(const CDBWrapper& db, const CBlockIndex* block_index, DBVal& result)
+{
+ // First check if the result is stored under the height index and the value there matches the
+ // block hash. This should be the case if the block is on the active chain.
+ std::pair<uint256, DBVal> read_out;
+ if (!db.Read(DBHeightKey(block_index->nHeight), read_out)) {
+ return false;
+ }
+ if (read_out.first == block_index->GetBlockHash()) {
+ result = std::move(read_out.second);
+ return true;
+ }
+
+ // If value at the height index corresponds to an different block, the result will be stored in
+ // the hash index.
+ return db.Read(DBHashKey(block_index->GetBlockHash()), result);
+}
+
+static bool LookupRange(CDBWrapper& db, const std::string& index_name, int start_height,
+ const CBlockIndex* stop_index, std::vector<DBVal>& results)
+{
+ if (start_height < 0) {
+ return error("%s: start height (%d) is negative", __func__, start_height);
+ }
+ if (start_height > stop_index->nHeight) {
+ return error("%s: start height (%d) is greater than stop height (%d)",
+ __func__, start_height, stop_index->nHeight);
+ }
+
+ size_t results_size = static_cast<size_t>(stop_index->nHeight - start_height + 1);
+ std::vector<std::pair<uint256, DBVal>> values(results_size);
+
+ DBHeightKey key(start_height);
+ std::unique_ptr<CDBIterator> db_it(db.NewIterator());
+ db_it->Seek(DBHeightKey(start_height));
+ for (int height = start_height; height <= stop_index->nHeight; ++height) {
+ if (!db_it->Valid() || !db_it->GetKey(key) || key.height != height) {
+ return false;
+ }
+
+ size_t i = static_cast<size_t>(height - start_height);
+ if (!db_it->GetValue(values[i])) {
+ return error("%s: unable to read value in %s at key (%c, %d)",
+ __func__, index_name, DB_BLOCK_HEIGHT, height);
+ }
+
+ db_it->Next();
+ }
+
+ results.resize(results_size);
+
+ // Iterate backwards through block indexes collecting results in order to access the block hash
+ // of each entry in case we need to look it up in the hash index.
+ for (const CBlockIndex* block_index = stop_index;
+ block_index && block_index->nHeight >= start_height;
+ block_index = block_index->pprev) {
+ uint256 block_hash = block_index->GetBlockHash();
+
+ size_t i = static_cast<size_t>(block_index->nHeight - start_height);
+ if (block_hash == values[i].first) {
+ results[i] = std::move(values[i].second);
+ continue;
+ }
+
+ if (!db.Read(DBHashKey(block_hash), results[i])) {
+ return error("%s: unable to read value in %s at key (%c, %s)",
+ __func__, index_name, DB_BLOCK_HASH, block_hash.ToString());
+ }
+ }
+
+ return true;
+}
+
+bool BlockFilterIndex::LookupFilter(const CBlockIndex* block_index, BlockFilter& filter_out) const
+{
+ DBVal entry;
+ if (!LookupOne(*m_db, block_index, entry)) {
+ return false;
+ }
+
+ return ReadFilterFromDisk(entry.pos, filter_out);
+}
+
+bool BlockFilterIndex::LookupFilterHeader(const CBlockIndex* block_index, uint256& header_out) const
+{
+ DBVal entry;
+ if (!LookupOne(*m_db, block_index, entry)) {
+ return false;
+ }
+
+ header_out = entry.header;
+ return true;
+}
+
+bool BlockFilterIndex::LookupFilterRange(int start_height, const CBlockIndex* stop_index,
+ std::vector<BlockFilter>& filters_out) const
+{
+ std::vector<DBVal> entries;
+ if (!LookupRange(*m_db, m_name, start_height, stop_index, entries)) {
+ return false;
+ }
+
+ filters_out.resize(entries.size());
+ auto filter_pos_it = filters_out.begin();
+ for (const auto& entry : entries) {
+ if (!ReadFilterFromDisk(entry.pos, *filter_pos_it)) {
+ return false;
+ }
+ ++filter_pos_it;
+ }
+
+ return true;
+}
+
+bool BlockFilterIndex::LookupFilterHashRange(int start_height, const CBlockIndex* stop_index,
+ std::vector<uint256>& hashes_out) const
+
+{
+ std::vector<DBVal> entries;
+ if (!LookupRange(*m_db, m_name, start_height, stop_index, entries)) {
+ return false;
+ }
+
+ hashes_out.clear();
+ hashes_out.reserve(entries.size());
+ for (const auto& entry : entries) {
+ hashes_out.push_back(entry.hash);
+ }
+ return true;
+}
+
+BlockFilterIndex* GetBlockFilterIndex(BlockFilterType filter_type)
+{
+ auto it = g_filter_indexes.find(filter_type);
+ return it != g_filter_indexes.end() ? &it->second : nullptr;
+}
+
+void ForEachBlockFilterIndex(std::function<void (BlockFilterIndex&)> fn)
+{
+ for (auto& entry : g_filter_indexes) fn(entry.second);
+}
+
+bool InitBlockFilterIndex(BlockFilterType filter_type,
+ size_t n_cache_size, bool f_memory, bool f_wipe)
+{
+ auto result = g_filter_indexes.emplace(std::piecewise_construct,
+ std::forward_as_tuple(filter_type),
+ std::forward_as_tuple(filter_type,
+ n_cache_size, f_memory, f_wipe));
+ return result.second;
+}
+
+bool DestroyBlockFilterIndex(BlockFilterType filter_type)
+{
+ return g_filter_indexes.erase(filter_type);
+}
+
+void DestroyAllBlockFilterIndexes()
+{
+ g_filter_indexes.clear();
+}
diff --git a/src/index/blockfilterindex.h b/src/index/blockfilterindex.h
new file mode 100644
index 0000000000..436d52515f
--- /dev/null
+++ b/src/index/blockfilterindex.h
@@ -0,0 +1,94 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_INDEX_BLOCKFILTERINDEX_H
+#define BITCOIN_INDEX_BLOCKFILTERINDEX_H
+
+#include <blockfilter.h>
+#include <chain.h>
+#include <flatfile.h>
+#include <index/base.h>
+
+/**
+ * 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
+ * (ie. filter data for different types are stored in separate databases).
+ *
+ * This index is used to serve BIP 157 net requests.
+ */
+class BlockFilterIndex final : public BaseIndex
+{
+private:
+ BlockFilterType m_filter_type;
+ std::string m_name;
+ std::unique_ptr<BaseIndex::DB> m_db;
+
+ FlatFilePos m_next_filter_pos;
+ std::unique_ptr<FlatFileSeq> m_filter_fileseq;
+
+ bool ReadFilterFromDisk(const FlatFilePos& pos, BlockFilter& filter) const;
+ size_t WriteFilterToDisk(FlatFilePos& pos, const BlockFilter& filter);
+
+protected:
+ bool Init() override;
+
+ bool CommitInternal(CDBBatch& batch) override;
+
+ bool WriteBlock(const CBlock& block, const CBlockIndex* pindex) override;
+
+ bool Rewind(const CBlockIndex* current_tip, const CBlockIndex* new_tip) override;
+
+ BaseIndex::DB& GetDB() const override { return *m_db; }
+
+ const char* GetName() const override { return m_name.c_str(); }
+
+public:
+ /** Constructs the index, which becomes available to be queried. */
+ explicit BlockFilterIndex(BlockFilterType filter_type,
+ size_t n_cache_size, bool f_memory = false, bool f_wipe = false);
+
+ BlockFilterType GetFilterType() const { return m_filter_type; }
+
+ /** Get a single filter by block. */
+ 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;
+
+ /** Get a range of filters between two heights on a chain. */
+ bool LookupFilterRange(int start_height, const CBlockIndex* stop_index,
+ std::vector<BlockFilter>& filters_out) const;
+
+ /** Get a range of filter hashes between two heights on a chain. */
+ bool LookupFilterHashRange(int start_height, const CBlockIndex* stop_index,
+ std::vector<uint256>& hashes_out) const;
+};
+
+/**
+ * Get a block filter index by type. Returns nullptr if index has not been initialized or was
+ * already destroyed.
+ */
+BlockFilterIndex* GetBlockFilterIndex(BlockFilterType filter_type);
+
+/** Iterate over all running block filter indexes, invoking fn on each. */
+void ForEachBlockFilterIndex(std::function<void (BlockFilterIndex&)> fn);
+
+/**
+ * Initialize a block filter index for the given type if one does not already exist. Returns true if
+ * a new index is created and false if one has already been initialized.
+ */
+bool InitBlockFilterIndex(BlockFilterType filter_type,
+ size_t n_cache_size, bool f_memory = false, bool f_wipe = false);
+
+/**
+ * Destroy the block filter index with the given type. Returns false if no such index exists. This
+ * just releases the allocated memory and closes the database connection, it does not delete the
+ * index data.
+ */
+bool DestroyBlockFilterIndex(BlockFilterType filter_type);
+
+/** Destroy all open block filter indexes. */
+void DestroyAllBlockFilterIndexes();
+
+#endif // BITCOIN_INDEX_BLOCKFILTERINDEX_H
diff --git a/src/init.cpp b/src/init.cpp
index 2b538fb836..70459994c7 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -12,6 +12,7 @@
#include <addrman.h>
#include <amount.h>
#include <banman.h>
+#include <blockfilter.h>
#include <chain.h>
#include <chainparams.h>
#include <checkpoints.h>
@@ -20,6 +21,7 @@
#include <fs.h>
#include <httpserver.h>
#include <httprpc.h>
+#include <index/blockfilterindex.h>
#include <interfaces/chain.h>
#include <index/txindex.h>
#include <key.h>
@@ -191,6 +193,7 @@ void Interrupt()
if (g_txindex) {
g_txindex->Interrupt();
}
+ ForEachBlockFilterIndex([](BlockFilterIndex& index) { index.Interrupt(); });
}
void Shutdown(InitInterfaces& interfaces)
@@ -222,6 +225,7 @@ void Shutdown(InitInterfaces& interfaces)
if (peerLogic) UnregisterValidationInterface(peerLogic.get());
if (g_connman) g_connman->Stop();
if (g_txindex) g_txindex->Stop();
+ ForEachBlockFilterIndex([](BlockFilterIndex& index) { index.Stop(); });
StopTorControl();
@@ -236,6 +240,7 @@ void Shutdown(InitInterfaces& interfaces)
g_connman.reset();
g_banman.reset();
g_txindex.reset();
+ DestroyAllBlockFilterIndexes();
if (g_is_mempool_loaded && gArgs.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) {
DumpMempool();
@@ -406,6 +411,10 @@ void SetupServerArgs()
hidden_args.emplace_back("-sysperms");
#endif
gArgs.AddArg("-txindex", strprintf("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)", DEFAULT_TXINDEX), false, OptionsCategory::OPTIONS);
+ gArgs.AddArg("-blockfilterindex=<type>",
+ strprintf("Maintain an index of compact filters by block (default: %s, values: %s).", DEFAULT_BLOCKFILTERINDEX, ListBlockFilterTypes()) +
+ " If <type> is not supplied or if <type> = 1, indexes for all known types are enabled.",
+ false, OptionsCategory::OPTIONS);
gArgs.AddArg("-addnode=<ip>", "Add a node to connect to and attempt to keep the connection open (see the `addnode` RPC command help for more info). This option can be specified multiple times to add multiple nodes.", false, OptionsCategory::CONNECTION);
gArgs.AddArg("-banscore=<n>", strprintf("Threshold for disconnecting misbehaving peers (default: %u)", DEFAULT_BANSCORE_THRESHOLD), false, OptionsCategory::CONNECTION);
@@ -875,6 +884,7 @@ int nUserMaxConnections;
int nFD;
ServiceFlags nLocalServices = ServiceFlags(NODE_NETWORK | NODE_NETWORK_LIMITED);
int64_t peer_connect_timeout;
+std::vector<BlockFilterType> g_enabled_filter_types;
} // namespace
@@ -956,10 +966,29 @@ bool AppInitParameterInteraction()
return InitError(strprintf(_("Specified blocks directory \"%s\" does not exist."), gArgs.GetArg("-blocksdir", "").c_str()));
}
+ // parse and validate enabled filter types
+ std::string blockfilterindex_value = gArgs.GetArg("-blockfilterindex", DEFAULT_BLOCKFILTERINDEX);
+ if (blockfilterindex_value == "" || blockfilterindex_value == "1") {
+ g_enabled_filter_types = AllBlockFilterTypes();
+ } else if (blockfilterindex_value != "0") {
+ const std::vector<std::string> names = gArgs.GetArgs("-blockfilterindex");
+ g_enabled_filter_types.reserve(names.size());
+ for (const auto& name : names) {
+ BlockFilterType filter_type;
+ if (!BlockFilterTypeByName(name, filter_type)) {
+ return InitError(strprintf(_("Unknown -blockfilterindex value %s."), name));
+ }
+ g_enabled_filter_types.push_back(filter_type);
+ }
+ }
+
// if using block pruning, then disallow txindex
if (gArgs.GetArg("-prune", 0)) {
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX))
return InitError(_("Prune mode is incompatible with -txindex."));
+ if (!g_enabled_filter_types.empty()) {
+ return InitError(_("Prune mode is incompatible with -blockfilterindex."));
+ }
}
// -bind and -whitebind can't be set when not listening
@@ -1450,6 +1479,13 @@ bool AppInitMain(InitInterfaces& interfaces)
nTotalCache -= nBlockTreeDBCache;
int64_t nTxIndexCache = std::min(nTotalCache / 8, gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxTxIndexCache << 20 : 0);
nTotalCache -= nTxIndexCache;
+ int64_t filter_index_cache = 0;
+ if (!g_enabled_filter_types.empty()) {
+ size_t n_indexes = g_enabled_filter_types.size();
+ int64_t max_cache = std::min(nTotalCache / 8, max_filter_index_cache << 20);
+ filter_index_cache = max_cache / n_indexes;
+ nTotalCache -= filter_index_cache * n_indexes;
+ }
int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
nTotalCache -= nCoinDBCache;
@@ -1460,6 +1496,10 @@ bool AppInitMain(InitInterfaces& interfaces)
if (gArgs.GetBoolArg("-txindex", DEFAULT_TXINDEX)) {
LogPrintf("* Using %.1f MiB for transaction index database\n", nTxIndexCache * (1.0 / 1024 / 1024));
}
+ for (BlockFilterType filter_type : g_enabled_filter_types) {
+ LogPrintf("* Using %.1f MiB for %s block filter index database\n",
+ filter_index_cache * (1.0 / 1024 / 1024), BlockFilterTypeName(filter_type));
+ }
LogPrintf("* Using %.1f MiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
LogPrintf("* Using %.1f MiB for in-memory UTXO set (plus up to %.1f MiB of unused mempool space)\n", nCoinCacheUsage * (1.0 / 1024 / 1024), nMempoolSizeMax * (1.0 / 1024 / 1024));
@@ -1647,6 +1687,11 @@ bool AppInitMain(InitInterfaces& interfaces)
g_txindex->Start();
}
+ for (const auto& filter_type : g_enabled_filter_types) {
+ InitBlockFilterIndex(filter_type, filter_index_cache, false, fReindex);
+ GetBlockFilterIndex(filter_type)->Start();
+ }
+
// ********************************************************* Step 9: load wallet
for (const auto& client : interfaces.chain_clients) {
if (!client->load()) {
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 1cc496c733..c85c2bcc92 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -7,6 +7,7 @@
#include <amount.h>
#include <base58.h>
+#include <blockfilter.h>
#include <chain.h>
#include <chainparams.h>
#include <checkpoints.h>
@@ -14,6 +15,7 @@
#include <consensus/validation.h>
#include <core_io.h>
#include <hash.h>
+#include <index/blockfilterindex.h>
#include <index/txindex.h>
#include <key_io.h>
#include <policy/feerate.h>
@@ -2299,6 +2301,85 @@ UniValue scantxoutset(const JSONRPCRequest& request)
return result;
}
+static UniValue getblockfilter(const JSONRPCRequest& request)
+{
+ if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
+ throw std::runtime_error(
+ RPCHelpMan{"getblockfilter",
+ "\nRetrieve a BIP 157 content filter for a particular block.\n",
+ {
+ {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hash of the block"},
+ {"filtertype", RPCArg::Type::STR, /*default*/ "basic", "The type name of the filter"},
+ },
+ RPCResult{
+ "{\n"
+ " \"filter\" : (string) the hex-encoded filter data\n"
+ " \"header\" : (string) the hex-encoded filter header\n"
+ "}\n"
+ },
+ RPCExamples{
+ HelpExampleCli("getblockfilter", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\" \"basic\"")
+ }
+ }.ToString()
+ );
+ }
+
+ uint256 block_hash = ParseHashV(request.params[0], "blockhash");
+ std::string filtertype_name = "basic";
+ if (!request.params[1].isNull()) {
+ filtertype_name = request.params[1].get_str();
+ }
+
+ BlockFilterType filtertype;
+ if (!BlockFilterTypeByName(filtertype_name, filtertype)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown filtertype");
+ }
+
+ BlockFilterIndex* index = GetBlockFilterIndex(filtertype);
+ if (!index) {
+ throw JSONRPCError(RPC_MISC_ERROR, "Index is not enabled for filtertype " + filtertype_name);
+ }
+
+ const CBlockIndex* block_index;
+ bool block_was_connected;
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(block_hash);
+ if (!block_index) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
+ }
+ block_was_connected = block_index->IsValid(BLOCK_VALID_SCRIPTS);
+ }
+
+ bool index_ready = index->BlockUntilSyncedToCurrentChain();
+
+ BlockFilter filter;
+ uint256 filter_header;
+ if (!index->LookupFilter(block_index, filter) ||
+ !index->LookupFilterHeader(block_index, filter_header)) {
+ int err_code;
+ std::string errmsg = "Filter not found.";
+
+ if (!block_was_connected) {
+ err_code = RPC_INVALID_ADDRESS_OR_KEY;
+ errmsg += " Block was not connected to active chain.";
+ } else if (!index_ready) {
+ err_code = RPC_MISC_ERROR;
+ errmsg += " Block filters are still in the process of being indexed.";
+ } else {
+ err_code = RPC_INTERNAL_ERROR;
+ errmsg += " This error is unexpected and indicates index corruption.";
+ }
+
+ throw JSONRPCError(err_code, errmsg);
+ }
+
+ UniValue ret(UniValue::VOBJ);
+ ret.pushKV("filter", HexStr(filter.GetEncodedFilter()));
+ ret.pushKV("header", filter_header.GetHex());
+ return ret;
+}
+
// clang-format off
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
@@ -2326,6 +2407,7 @@ static const CRPCCommand commands[] =
{ "blockchain", "preciousblock", &preciousblock, {"blockhash"} },
{ "blockchain", "scantxoutset", &scantxoutset, {"action", "scanobjects"} },
+ { "blockchain", "getblockfilter", &getblockfilter, {"blockhash", "filtertype"} },
/* Not shown in help */
{ "hidden", "invalidateblock", &invalidateblock, {"blockhash"} },
diff --git a/src/serialize.h b/src/serialize.h
index 2d0cfbbbf0..b001ee1324 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -89,6 +89,11 @@ template<typename Stream> inline void ser_writedata32(Stream &s, uint32_t obj)
obj = htole32(obj);
s.write((char*)&obj, 4);
}
+template<typename Stream> inline void ser_writedata32be(Stream &s, uint32_t obj)
+{
+ obj = htobe32(obj);
+ s.write((char*)&obj, 4);
+}
template<typename Stream> inline void ser_writedata64(Stream &s, uint64_t obj)
{
obj = htole64(obj);
@@ -118,6 +123,12 @@ template<typename Stream> inline uint32_t ser_readdata32(Stream &s)
s.read((char*)&obj, 4);
return le32toh(obj);
}
+template<typename Stream> inline uint32_t ser_readdata32be(Stream &s)
+{
+ uint32_t obj;
+ s.read((char*)&obj, 4);
+ return be32toh(obj);
+}
template<typename Stream> inline uint64_t ser_readdata64(Stream &s)
{
uint64_t obj;
diff --git a/src/test/blockfilter_index_tests.cpp b/src/test/blockfilter_index_tests.cpp
new file mode 100644
index 0000000000..f0a24777a6
--- /dev/null
+++ b/src/test/blockfilter_index_tests.cpp
@@ -0,0 +1,307 @@
+// Copyright (c) 2017-2018 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 <chainparams.h>
+#include <consensus/validation.h>
+#include <index/blockfilterindex.h>
+#include <miner.h>
+#include <pow.h>
+#include <test/test_bitcoin.h>
+#include <script/standard.h>
+#include <validation.h>
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_SUITE(blockfilter_index_tests)
+
+static bool ComputeFilter(BlockFilterType filter_type, const CBlockIndex* block_index,
+ BlockFilter& filter)
+{
+ CBlock block;
+ if (!ReadBlockFromDisk(block, block_index->GetBlockPos(), Params().GetConsensus())) {
+ return false;
+ }
+
+ CBlockUndo block_undo;
+ if (block_index->nHeight > 0 && !UndoReadFromDisk(block_undo, block_index)) {
+ return false;
+ }
+
+ filter = BlockFilter(filter_type, block, block_undo);
+ return true;
+}
+
+static bool CheckFilterLookups(BlockFilterIndex& filter_index, const CBlockIndex* block_index,
+ uint256& last_header)
+{
+ BlockFilter expected_filter;
+ if (!ComputeFilter(filter_index.GetFilterType(), block_index, expected_filter)) {
+ BOOST_ERROR("ComputeFilter failed on block " << block_index->nHeight);
+ return false;
+ }
+
+ BlockFilter filter;
+ uint256 filter_header;
+ std::vector<BlockFilter> filters;
+ std::vector<uint256> filter_hashes;
+
+ BOOST_CHECK(filter_index.LookupFilter(block_index, filter));
+ BOOST_CHECK(filter_index.LookupFilterHeader(block_index, filter_header));
+ BOOST_CHECK(filter_index.LookupFilterRange(block_index->nHeight, block_index, filters));
+ BOOST_CHECK(filter_index.LookupFilterHashRange(block_index->nHeight, block_index,
+ filter_hashes));
+
+ BOOST_CHECK_EQUAL(filters.size(), 1);
+ BOOST_CHECK_EQUAL(filter_hashes.size(), 1);
+
+ BOOST_CHECK_EQUAL(filter.GetHash(), expected_filter.GetHash());
+ BOOST_CHECK_EQUAL(filter_header, expected_filter.ComputeHeader(last_header));
+ BOOST_CHECK_EQUAL(filters[0].GetHash(), expected_filter.GetHash());
+ BOOST_CHECK_EQUAL(filter_hashes[0], expected_filter.GetHash());
+
+ filters.clear();
+ filter_hashes.clear();
+ last_header = filter_header;
+ return true;
+}
+
+static CBlock CreateBlock(const CBlockIndex* prev,
+ const std::vector<CMutableTransaction>& txns,
+ const CScript& scriptPubKey)
+{
+ const CChainParams& chainparams = Params();
+ std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
+ CBlock& block = pblocktemplate->block;
+ block.hashPrevBlock = prev->GetBlockHash();
+ block.nTime = prev->nTime + 1;
+
+ // Replace mempool-selected txns with just coinbase plus passed-in txns:
+ block.vtx.resize(1);
+ for (const CMutableTransaction& tx : txns) {
+ block.vtx.push_back(MakeTransactionRef(tx));
+ }
+ // IncrementExtraNonce creates a valid coinbase and merkleRoot
+ unsigned int extraNonce = 0;
+ IncrementExtraNonce(&block, prev, extraNonce);
+
+ while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;
+
+ return block;
+}
+
+static bool BuildChain(const CBlockIndex* pindex, const CScript& coinbase_script_pub_key,
+ size_t length, std::vector<std::shared_ptr<CBlock>>& chain)
+{
+ std::vector<CMutableTransaction> no_txns;
+
+ chain.resize(length);
+ for (auto& block : chain) {
+ block = std::make_shared<CBlock>(CreateBlock(pindex, no_txns, coinbase_script_pub_key));
+ CBlockHeader header = block->GetBlockHeader();
+
+ CValidationState state;
+ if (!ProcessNewBlockHeaders({header}, state, Params(), &pindex, nullptr)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+BOOST_FIXTURE_TEST_CASE(blockfilter_index_initial_sync, TestChain100Setup)
+{
+ BlockFilterIndex filter_index(BlockFilterType::BASIC, 1 << 20, true);
+
+ uint256 last_header;
+
+ // Filter should not be found in the index before it is started.
+ {
+ LOCK(cs_main);
+
+ BlockFilter filter;
+ uint256 filter_header;
+ std::vector<BlockFilter> filters;
+ std::vector<uint256> filter_hashes;
+
+ for (const CBlockIndex* block_index = chainActive.Genesis();
+ block_index != nullptr;
+ block_index = chainActive.Next(block_index)) {
+ BOOST_CHECK(!filter_index.LookupFilter(block_index, filter));
+ BOOST_CHECK(!filter_index.LookupFilterHeader(block_index, filter_header));
+ BOOST_CHECK(!filter_index.LookupFilterRange(block_index->nHeight, block_index, filters));
+ BOOST_CHECK(!filter_index.LookupFilterHashRange(block_index->nHeight, block_index,
+ filter_hashes));
+ }
+ }
+
+ // BlockUntilSyncedToCurrentChain should return false before index is started.
+ BOOST_CHECK(!filter_index.BlockUntilSyncedToCurrentChain());
+
+ filter_index.Start();
+
+ // Allow filter index to catch up with the block index.
+ constexpr int64_t timeout_ms = 10 * 1000;
+ int64_t time_start = GetTimeMillis();
+ while (!filter_index.BlockUntilSyncedToCurrentChain()) {
+ BOOST_REQUIRE(time_start + timeout_ms > GetTimeMillis());
+ MilliSleep(100);
+ }
+
+ // Check that filter index has all blocks that were in the chain before it started.
+ {
+ LOCK(cs_main);
+ const CBlockIndex* block_index;
+ for (block_index = chainActive.Genesis();
+ block_index != nullptr;
+ block_index = chainActive.Next(block_index)) {
+ CheckFilterLookups(filter_index, block_index, last_header);
+ }
+ }
+
+ // Create two forks.
+ const CBlockIndex* tip;
+ {
+ LOCK(cs_main);
+ tip = chainActive.Tip();
+ }
+ CScript coinbase_script_pub_key = GetScriptForDestination(coinbaseKey.GetPubKey().GetID());
+ std::vector<std::shared_ptr<CBlock>> chainA, chainB;
+ BOOST_REQUIRE(BuildChain(tip, coinbase_script_pub_key, 10, chainA));
+ BOOST_REQUIRE(BuildChain(tip, coinbase_script_pub_key, 10, chainB));
+
+ // Check that new blocks on chain A get indexed.
+ uint256 chainA_last_header = last_header;
+ for (size_t i = 0; i < 2; i++) {
+ const auto& block = chainA[i];
+ BOOST_REQUIRE(ProcessNewBlock(Params(), block, true, nullptr));
+
+ const CBlockIndex* block_index;
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(block->GetHash());
+ }
+
+ BOOST_CHECK(filter_index.BlockUntilSyncedToCurrentChain());
+ CheckFilterLookups(filter_index, block_index, chainA_last_header);
+ }
+
+ // Reorg to chain B.
+ uint256 chainB_last_header = last_header;
+ for (size_t i = 0; i < 3; i++) {
+ const auto& block = chainB[i];
+ BOOST_REQUIRE(ProcessNewBlock(Params(), block, true, nullptr));
+
+ const CBlockIndex* block_index;
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(block->GetHash());
+ }
+
+ BOOST_CHECK(filter_index.BlockUntilSyncedToCurrentChain());
+ CheckFilterLookups(filter_index, block_index, chainB_last_header);
+ }
+
+ // Check that filters for stale blocks on A can be retrieved.
+ chainA_last_header = last_header;
+ for (size_t i = 0; i < 2; i++) {
+ const auto& block = chainA[i];
+ const CBlockIndex* block_index;
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(block->GetHash());
+ }
+
+ BOOST_CHECK(filter_index.BlockUntilSyncedToCurrentChain());
+ CheckFilterLookups(filter_index, block_index, chainA_last_header);
+ }
+
+ // Reorg back to chain A.
+ for (size_t i = 2; i < 4; i++) {
+ const auto& block = chainA[i];
+ BOOST_REQUIRE(ProcessNewBlock(Params(), block, true, nullptr));
+ }
+
+ // Check that chain A and B blocks can be retrieved.
+ chainA_last_header = last_header;
+ chainB_last_header = last_header;
+ for (size_t i = 0; i < 3; i++) {
+ const CBlockIndex* block_index;
+
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(chainA[i]->GetHash());
+ }
+ BOOST_CHECK(filter_index.BlockUntilSyncedToCurrentChain());
+ CheckFilterLookups(filter_index, block_index, chainA_last_header);
+
+ {
+ LOCK(cs_main);
+ block_index = LookupBlockIndex(chainB[i]->GetHash());
+ }
+ BOOST_CHECK(filter_index.BlockUntilSyncedToCurrentChain());
+ CheckFilterLookups(filter_index, block_index, chainB_last_header);
+ }
+
+ // Test lookups for a range of filters/hashes.
+ std::vector<BlockFilter> filters;
+ std::vector<uint256> filter_hashes;
+
+ {
+ LOCK(cs_main);
+ tip = chainActive.Tip();
+ }
+ BOOST_CHECK(filter_index.LookupFilterRange(0, tip, filters));
+ BOOST_CHECK(filter_index.LookupFilterHashRange(0, tip, filter_hashes));
+
+ BOOST_CHECK_EQUAL(filters.size(), tip->nHeight + 1);
+ BOOST_CHECK_EQUAL(filter_hashes.size(), tip->nHeight + 1);
+
+ filters.clear();
+ filter_hashes.clear();
+
+ filter_index.Interrupt();
+ filter_index.Stop();
+}
+
+BOOST_FIXTURE_TEST_CASE(blockfilter_index_init_destroy, BasicTestingSetup)
+{
+ SetDataDir("tempdir");
+
+ BlockFilterIndex* filter_index;
+
+ filter_index = GetBlockFilterIndex(BlockFilterType::BASIC);
+ BOOST_CHECK(filter_index == nullptr);
+
+ BOOST_CHECK(InitBlockFilterIndex(BlockFilterType::BASIC, 1 << 20, true, false));
+
+ filter_index = GetBlockFilterIndex(BlockFilterType::BASIC);
+ BOOST_CHECK(filter_index != nullptr);
+ BOOST_CHECK(filter_index->GetFilterType() == BlockFilterType::BASIC);
+
+ // Initialize returns false if index already exists.
+ BOOST_CHECK(!InitBlockFilterIndex(BlockFilterType::BASIC, 1 << 20, true, false));
+
+ int iter_count = 0;
+ ForEachBlockFilterIndex([&iter_count](BlockFilterIndex& _index) { iter_count++; });
+ BOOST_CHECK_EQUAL(iter_count, 1);
+
+ BOOST_CHECK(DestroyBlockFilterIndex(BlockFilterType::BASIC));
+
+ // Destroy returns false because index was already destroyed.
+ BOOST_CHECK(!DestroyBlockFilterIndex(BlockFilterType::BASIC));
+
+ filter_index = GetBlockFilterIndex(BlockFilterType::BASIC);
+ BOOST_CHECK(filter_index == nullptr);
+
+ // Reinitialize index.
+ BOOST_CHECK(InitBlockFilterIndex(BlockFilterType::BASIC, 1 << 20, true, false));
+
+ DestroyAllBlockFilterIndexes();
+
+ filter_index = GetBlockFilterIndex(BlockFilterType::BASIC);
+ BOOST_CHECK(filter_index == nullptr);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/test/blockfilter_tests.cpp b/src/test/blockfilter_tests.cpp
index f4c74af098..df0a041e0e 100644
--- a/src/test/blockfilter_tests.cpp
+++ b/src/test/blockfilter_tests.cpp
@@ -54,7 +54,7 @@ BOOST_AUTO_TEST_CASE(gcsfilter_default_constructor)
BOOST_AUTO_TEST_CASE(blockfilter_basic_test)
{
- CScript included_scripts[5], excluded_scripts[3];
+ CScript included_scripts[5], excluded_scripts[4];
// First two are outputs on a single transaction.
included_scripts[0] << std::vector<unsigned char>(0, 65) << OP_CHECKSIG;
@@ -73,14 +73,19 @@ BOOST_AUTO_TEST_CASE(blockfilter_basic_test)
// This script is not related to the block at all.
excluded_scripts[1] << std::vector<unsigned char>(5, 33) << OP_CHECKSIG;
+ // OP_RETURN is non-standard since it's not followed by a data push, but is still excluded from
+ // filter.
+ excluded_scripts[2] << OP_RETURN << OP_4 << OP_ADD << OP_8 << OP_EQUAL;
+
CMutableTransaction tx_1;
tx_1.vout.emplace_back(100, included_scripts[0]);
tx_1.vout.emplace_back(200, included_scripts[1]);
+ tx_1.vout.emplace_back(0, excluded_scripts[0]);
CMutableTransaction tx_2;
tx_2.vout.emplace_back(300, included_scripts[2]);
- tx_2.vout.emplace_back(0, excluded_scripts[0]);
- tx_2.vout.emplace_back(400, excluded_scripts[2]); // Script is empty
+ tx_2.vout.emplace_back(0, excluded_scripts[2]);
+ tx_2.vout.emplace_back(400, excluded_scripts[3]); // Script is empty
CBlock block;
block.vtx.push_back(MakeTransactionRef(tx_1));
@@ -90,7 +95,7 @@ BOOST_AUTO_TEST_CASE(blockfilter_basic_test)
block_undo.vtxundo.emplace_back();
block_undo.vtxundo.back().vprevout.emplace_back(CTxOut(500, included_scripts[3]), 1000, true);
block_undo.vtxundo.back().vprevout.emplace_back(CTxOut(600, included_scripts[4]), 10000, false);
- block_undo.vtxundo.back().vprevout.emplace_back(CTxOut(700, excluded_scripts[2]), 100000, false);
+ block_undo.vtxundo.back().vprevout.emplace_back(CTxOut(700, excluded_scripts[3]), 100000, false);
BlockFilter block_filter(BlockFilterType::BASIC, block, block_undo);
const GCSFilter& filter = block_filter.GetFilter();
@@ -174,4 +179,16 @@ BOOST_AUTO_TEST_CASE(blockfilters_json_test)
}
}
+BOOST_AUTO_TEST_CASE(blockfilter_type_names)
+{
+ BOOST_CHECK_EQUAL(BlockFilterTypeName(BlockFilterType::BASIC), "basic");
+ BOOST_CHECK_EQUAL(BlockFilterTypeName(static_cast<BlockFilterType>(255)), "");
+
+ BlockFilterType filter_type;
+ BOOST_CHECK(BlockFilterTypeByName("basic", filter_type));
+ BOOST_CHECK_EQUAL(filter_type, BlockFilterType::BASIC);
+
+ BOOST_CHECK(!BlockFilterTypeByName("unknown", filter_type));
+}
+
BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/test/data/blockfilters.json b/src/test/data/blockfilters.json
index 134b788eed..8945296a07 100644
--- a/src/test/data/blockfilters.json
+++ b/src/test/data/blockfilters.json
@@ -3,9 +3,11 @@
[0,"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943","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",[],"0000000000000000000000000000000000000000000000000000000000000000","019dfca8","21584579b7eb08997773e5aeff3a7f932700042d0ed2a6129012b7d7ae81b750","Genesis block"],
[2,"000000006c02c8ea6e4ff69651f7fcde348fb9d557a06e6957b65552002a7820","0100000006128e87be8b1b4dea47a7247d5528d2702c96826c7a648497e773b800000000e241352e3bec0a95a6217e10c3abb54adfa05abb12c126695595580fb92e222032e7494dffff001d00d235340101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e0432e7494d010e062f503253482fffffffff0100f2052a010000002321038a7f6ef1c8ca0c588aa53fa860128077c9e6c11e6830f4d7ee4e763a56b7718fac00000000",[],"d7bdac13a59d745b1add0d2ce852f1a0442e8945fc1bf3848d3cbffd88c24fe1","0174a170","186afd11ef2b5e7e3504f2e8cbf8df28a1fd251fe53d60dff8b1467d1b386cf0",""],
[3,"000000008b896e272758da5297bcd98fdc6d97c9b765ecec401e286dc1fdbe10","0100000020782a005255b657696ea057d5b98f34defcf75196f64f6eeac8026c0000000041ba5afc532aae03151b8aa87b65e1594f97504a768e010c98c0add79216247186e7494dffff001d058dc2b60101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e0486e7494d0151062f503253482fffffffff0100f2052a01000000232103f6d9ff4c12959445ca5549c811683bf9c88e637b222dd2e0311154c4c85cf423ac00000000",[],"186afd11ef2b5e7e3504f2e8cbf8df28a1fd251fe53d60dff8b1467d1b386cf0","016cf7a0","8d63aadf5ab7257cb6d2316a57b16f517bff1c6388f124ec4c04af1212729d2a",""],
+[15007,"0000000038c44c703bae0f98cdd6bf30922326340a5996cc692aaae8bacf47ad","0100000002394092aa378fe35d7e9ac79c869b975c4de4374cd75eb5484b0e1e00000000eb9b8670abd44ad6c55cee18e3020fb0c6519e7004b01a16e9164867531b67afc33bc94fffff001d123f10050101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e04c33bc94f0115062f503253482fffffffff0100f2052a01000000232103f268e9ae07e0f8cb2f6e901d87c510d650b97230c0365b021df8f467363cafb1ac00000000",[],"18b5c2b0146d2d09d24fb00ff5b52bd0742f36c9e65527abdb9de30c027a4748","013c3710","07384b01311867949e0c046607c66b7a766d338474bb67f66c8ae9dbd454b20e","Tx has non-standard OP_RETURN output followed by opcodes"],
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+[180480,"00000000fd3ceb2404ff07a785c7fdcc76619edc8ed61bd25134eaa22084366a","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",["","","","76a9142903b138c24be9e070b3e73ec495d77a204615e788ac","76a91433a1941fd9a37b9821d376f5a51bd4b52fa50e2888ac","76a914e4374e8155d0865742ca12b8d4d14d41b57d682f88ac","76a914001fa7459a6cfc64bdc178ba7e7a21603bb2568f88ac","76a914f6039952bc2b307aeec5371bfb96b66078ec17f688ac"],"d34ef98386f413769502808d4bac5f20f8dfd5bffc9eedafaa71de0eb1f01489","0db414c859a07e8205876354a210a75042d0463404913d61a8e068e58a3ae2aa080026","c582d51c0ca365e3fcf36c51cb646d7f83a67e867cb4743fd2128e3e022b700c","Tx spends from empty output script"],
+[926485,"000000000000015d6077a411a8f5cc95caf775ccf11c54e27df75ce58d187313","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",["a914feb8a29635c56d9cd913122f90678756bf23887687","76a914c01a7ca16b47be50cbdbc60724f701d52d75156688ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac"],"8f13b9a9c85611635b47906c3053ac53cfcec7211455d4cb0d63dc9acc13d472","09027acea61b6cc3fb33f5d52f7d088a6b2f75d234e89ca800","546c574a0472144bcaf9b6aeabf26372ad87c7af7d1ee0dbfae5e099abeae49c","Duplicate pushdata 913bcc2be49cb534c20474c4dee1e9c4c317e7eb"],
+[987876,"0000000000000c00901f2049055e2a437c819d79a3d54fd63e6af796cd7b8a79","000000202694f74969fdb542090e95a56bc8aa2d646e27033850e32f1c5f000000000000f7e53676b3f12d5beb524ed617f2d25f5a93b5f4f52c1ba2678260d72712f8dd0a6dfe5740257e1a4b1768960101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1603e4120ff9c30a1c216900002f424d4920546573742fffffff0001205fa012000000001e76a914c486de584a735ec2f22da7cd9681614681f92173d83d0aa68688ac00000000",[],"fe4d230dbb0f4fec9bed23a5283e08baf996e3f32b93f52c7de1f641ddfd04ad","010c0b40","0965a544743bbfa36f254446e75630c09404b3d164a261892372977538928ed5","Coinbase tx has unparseable output script"],
+[1263442,"000000006f27ddfe1dd680044a34548f41bed47eba9e6f0b310da21423bc5f33","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",["002027a5000c7917f785d8fc6e5a55adfca8717ecb973ebb7743849ff956d896a7ed"],"31d66d516a9eda7de865df29f6ef6cb8e4bf9309e5dac899968a9a62a5df61e3","0385acb4f0fe889ef0","4e6d564c2a2452065c205dd7eb2791124e0c4e0dbb064c410c24968572589dec","Includes witness data"],
+[1414221,"0000000000000027b2b3b3381f114f674f481544ff2be37ae3788d7e078383b1","000000204ea88307a7959d8207968f152bedca5a93aefab253f1fb2cfb032a400000000070cebb14ec6dbc27a9dfd066d9849a4d3bac5f674665f73a5fe1de01a022a0c851fda85bf05f4c19a779d1450102000000010000000000000000000000000000000000000000000000000000000000000000ffffffff18034d94154d696e6572476174653030310d000000f238f401ffffffff01c817a804000000000000000000",[],"5e5e12d90693c8e936f01847859404c67482439681928353ca1296982042864e","00","021e8882ef5a0ed932edeebbecfeda1d7ce528ec7b3daa27641acf1189d7b5dc","Empty data"]
]
diff --git a/src/txdb.h b/src/txdb.h
index d5a4bfaeb1..c4ece11503 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -37,6 +37,8 @@ static const int64_t nMaxBlockDBCache = 2;
// Unlike for the UTXO database, for the txindex scenario the leveldb cache make
// a meaningful difference: https://github.com/bitcoin/bitcoin/pull/8273#issuecomment-229601991
static const int64_t nMaxTxIndexCache = 1024;
+//! Max memory allocated to all block filter index caches combined in MiB.
+static const int64_t max_filter_index_cache = 1024;
//! Max memory allocated to coin DB specific cache (MiB)
static const int64_t nMaxCoinsDBCache = 8;
diff --git a/src/validation.h b/src/validation.h
index 9f00cab49e..041d8860b0 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -116,6 +116,7 @@ static const int64_t MAX_FEE_ESTIMATION_TIP_AGE = 3 * 60 * 60;
static const bool DEFAULT_CHECKPOINTS_ENABLED = true;
static const bool DEFAULT_TXINDEX = false;
+static const char* const DEFAULT_BLOCKFILTERINDEX = "0";
static const unsigned int DEFAULT_BANSCORE_THRESHOLD = 100;
/** Default for -persistmempool */
static const bool DEFAULT_PERSIST_MEMPOOL = true;
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-08 08:41:49 +0000