bench: basic block filter index initial sync

Author: furszy

src/Makefile.bench.include

@@ -34,6 +34,7 @@ bench_bench_bitcoin_SOURCES = \
   bench/examples.cpp \
   bench/gcs_filter.cpp \
   bench/hashpadding.cpp \
+  bench/index_blockfilter.cpp \
   bench/load_external.cpp \
   bench/lockedpool.cpp \
   bench/logging.cpp \

src/bench/index_blockfilter.cpp

@@ -0,0 +1,44 @@
+// Copyright (c) 2023-present The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or https://www.opensource.org/licenses/mit-license.php.
+
+#include <bench/bench.h>
+#include <addresstype.h>
+#include <index/blockfilterindex.h>
+#include <node/chainstate.h>
+#include <node/context.h>
+#include <test/util/index.h>
+#include <test/util/mining.h>
+#include <test/util/setup_common.h>
+#include <util/strencodings.h>
+
+// Very simple block filter index sync benchmark, only using coinbase outputs.
+static void BlockFilterIndexSync(benchmark::Bench& bench)
+{
+    const auto test_setup = MakeNoLogFileContext<TestChain100Setup>();
+
+    // Create more blocks
+    int CHAIN_SIZE = 600;
+    CPubKey pubkey{ParseHex("02ed26169896db86ced4cbb7b3ecef9859b5952825adbeab998fb5b307e54949c9")};
+    CScript script = GetScriptForDestination(WitnessV0KeyHash(pubkey));
+    std::vector<CMutableTransaction> noTxns;
+    for (int i = 0; i < CHAIN_SIZE - 100; i++) {
+        test_setup->CreateAndProcessBlock(noTxns, script);
+        SetMockTime(GetTime() + 1);
+    }
+    assert(WITH_LOCK(::cs_main, return test_setup->m_node.chainman->ActiveHeight() == CHAIN_SIZE));
+
+    bench.minEpochIterations(5).run([&] {
+        BlockFilterIndex filter_index(interfaces::MakeChain(test_setup->m_node), BlockFilterType::BASIC,
+                                      /*n_cache_size=*/0, /*f_memory=*/false, /*f_wipe=*/true);
+        assert(filter_index.Init());
+        assert(!filter_index.BlockUntilSyncedToCurrentChain());
+        filter_index.Sync();
+
+        IndexSummary summary = filter_index.GetSummary();
+        assert(summary.synced);
+        assert(summary.best_block_hash == WITH_LOCK(::cs_main, return test_setup->m_node.chainman->ActiveTip()->GetBlockHash()));
+    });
+}
+
+BENCHMARK(BlockFilterIndexSync, benchmark::PriorityLevel::HIGH);