9 files changed, 46 insertions, 10 deletions
diff --git a/src/bench/block_assemble.cpp b/src/bench/block_assemble.cpp
index 8dd4117a3e..4d032cefc5 100644
--- a/src/bench/block_assemble.cpp
+++ b/src/bench/block_assemble.cpp
@@ -27,7 +27,7 @@ static void AssembleBlock(benchmark::Bench& bench)
     std::array<CTransactionRef, NUM_BLOCKS - COINBASE_MATURITY + 1> txs;
     for (size_t b{0}; b < NUM_BLOCKS; ++b) {
         CMutableTransaction tx;
-        tx.vin.push_back(MineBlock(test_setup->m_node, P2WSH_OP_TRUE));
+        tx.vin.push_back(CTxIn{MineBlock(test_setup->m_node, P2WSH_OP_TRUE)});
         tx.vin.back().scriptWitness = witness;
         tx.vout.emplace_back(1337, P2WSH_OP_TRUE);
         if (NUM_BLOCKS - b >= COINBASE_MATURITY)
diff --git a/src/bench/checkblock.cpp b/src/bench/checkblock.cpp
index 260c8991ce..269ac847a5 100644
--- a/src/bench/checkblock.cpp
+++ b/src/bench/checkblock.cpp
@@ -9,6 +9,7 @@
 #include <common/args.h>
 #include <consensus/validation.h>
 #include <streams.h>
+#include <util/chaintype.h>
 #include <validation.h>
 
 // These are the two major time-sinks which happen after we have fully received
@@ -36,7 +37,7 @@ static void DeserializeAndCheckBlockTest(benchmark::Bench& bench)
     stream.write({&a, 1}); // Prevent compaction
 
     ArgsManager bench_args;
-    const auto chainParams = CreateChainParams(bench_args, CBaseChainParams::MAIN);
+    const auto chainParams = CreateChainParams(bench_args, ChainType::MAIN);
 
     bench.unit("block").run([&] {
         CBlock block; // Note that CBlock caches its checked state, so we need to recreate it here
diff --git a/src/bench/load_external.cpp b/src/bench/load_external.cpp
index 0fd842c7c3..2ff72a3012 100644
--- a/src/bench/load_external.cpp
+++ b/src/bench/load_external.cpp
@@ -6,6 +6,7 @@
 #include <bench/data.h>
 #include <chainparams.h>
 #include <test/util/setup_common.h>
+#include <util/chaintype.h>
 #include <validation.h>
 
 /**
@@ -22,7 +23,7 @@
  */
 static void LoadExternalBlockFile(benchmark::Bench& bench)
 {
-    const auto testing_setup{MakeNoLogFileContext<const TestingSetup>(CBaseChainParams::MAIN)};
+    const auto testing_setup{MakeNoLogFileContext<const TestingSetup>(ChainType::MAIN)};
 
     // Create a single block as in the blocks files (magic bytes, block size,
     // block data) as a stream object.
diff --git a/src/bench/logging.cpp b/src/bench/logging.cpp
index 9aedb26236..c97c4e151b 100644
--- a/src/bench/logging.cpp
+++ b/src/bench/logging.cpp
@@ -5,6 +5,7 @@
 #include <bench/bench.h>
 #include <logging.h>
 #include <test/util/setup_common.h>
+#include <util/chaintype.h>
 
 // All but 2 of the benchmarks should have roughly similar performance:
 //
@@ -18,7 +19,7 @@ static void Logging(benchmark::Bench& bench, const std::vector<const char*>& ext
     LogInstance().DisableCategory(BCLog::LogFlags::ALL);
 
     TestingSetup test_setup{
-        CBaseChainParams::REGTEST,
+        ChainType::REGTEST,
         extra_args,
     };
 
diff --git a/src/bench/mempool_stress.cpp b/src/bench/mempool_stress.cpp
index 80c959cdfb..826da73800 100644
--- a/src/bench/mempool_stress.cpp
+++ b/src/bench/mempool_stress.cpp
@@ -7,6 +7,7 @@
 #include <policy/policy.h>
 #include <test/util/setup_common.h>
 #include <txmempool.h>
+#include <util/chaintype.h>
 #include <validation.h>
 
 #include <vector>
@@ -88,7 +89,7 @@ static void ComplexMemPool(benchmark::Bench& bench)
         childTxs = static_cast<int>(bench.complexityN());
     }
     std::vector<CTransactionRef> ordered_coins = CreateOrderedCoins(det_rand, childTxs, /*min_ancestors=*/1);
-    const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(CBaseChainParams::MAIN);
+    const auto testing_setup = MakeNoLogFileContext<const TestingSetup>(ChainType::MAIN);
     CTxMemPool& pool = *testing_setup.get()->m_node.mempool;
     LOCK2(cs_main, pool.cs);
     bench.run([&]() NO_THREAD_SAFETY_ANALYSIS {
@@ -103,7 +104,7 @@ static void ComplexMemPool(benchmark::Bench& bench)
 static void MempoolCheck(benchmark::Bench& bench)
 {
     FastRandomContext det_rand{true};
-    auto testing_setup = MakeNoLogFileContext<TestChain100Setup>(CBaseChainParams::REGTEST, {"-checkmempool=1"});
+    auto testing_setup = MakeNoLogFileContext<TestChain100Setup>(ChainType::REGTEST, {"-checkmempool=1"});
     CTxMemPool& pool = *testing_setup.get()->m_node.mempool;
     LOCK2(cs_main, pool.cs);
     testing_setup->PopulateMempool(det_rand, 400, true);
diff --git a/src/bench/rpc_blockchain.cpp b/src/bench/rpc_blockchain.cpp
index f68b6acb5b..a9b197b190 100644
--- a/src/bench/rpc_blockchain.cpp
+++ b/src/bench/rpc_blockchain.cpp
@@ -8,6 +8,7 @@
 #include <rpc/blockchain.h>
 #include <streams.h>
 #include <test/util/setup_common.h>
+#include <util/chaintype.h>
 #include <validation.h>
 
 #include <univalue.h>
@@ -15,7 +16,7 @@
 namespace {
 
 struct TestBlockAndIndex {
-    const std::unique_ptr<const TestingSetup> testing_setup{MakeNoLogFileContext<const TestingSetup>(CBaseChainParams::MAIN)};
+    const std::unique_ptr<const TestingSetup> testing_setup{MakeNoLogFileContext<const TestingSetup>(ChainType::MAIN)};
     CBlock block{};
     uint256 blockHash{};
     CBlockIndex blockindex{};
diff --git a/src/bench/rpc_mempool.cpp b/src/bench/rpc_mempool.cpp
index e3e1a07c83..7e274370e0 100644
--- a/src/bench/rpc_mempool.cpp
+++ b/src/bench/rpc_mempool.cpp
@@ -3,12 +3,12 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <bench/bench.h>
-#include <chainparamsbase.h>
 #include <kernel/cs_main.h>
 #include <kernel/mempool_entry.h>
 #include <rpc/mempool.h>
 #include <test/util/setup_common.h>
 #include <txmempool.h>
+#include <util/chaintype.h>
 
 #include <univalue.h>
 
@@ -21,7 +21,7 @@ static void AddTx(const CTransactionRef& tx, const CAmount& fee, CTxMemPool& poo
 
 static void RpcMempool(benchmark::Bench& bench)
 {
-    const auto testing_setup = MakeNoLogFileContext<const ChainTestingSetup>(CBaseChainParams::MAIN);
+    const auto testing_setup = MakeNoLogFileContext<const ChainTestingSetup>(ChainType::MAIN);
     CTxMemPool& pool = *Assert(testing_setup->m_node.mempool);
     LOCK2(cs_main, pool.cs);
 
diff --git a/src/bench/streams_findbyte.cpp b/src/bench/streams_findbyte.cpp
new file mode 100644
index 0000000000..77f5940926
--- /dev/null
+++ b/src/bench/streams_findbyte.cpp
@@ -0,0 +1,31 @@
+// Copyright (c) 2023 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 <bench/bench.h>
+
+#include <util/fs.h>
+#include <streams.h>
+
+static void FindByte(benchmark::Bench& bench)
+{
+    // Setup
+    FILE* file = fsbridge::fopen("streams_tmp", "w+b");
+    const size_t file_size = 200;
+    uint8_t data[file_size] = {0};
+    data[file_size-1] = 1;
+    fwrite(&data, sizeof(uint8_t), file_size, file);
+    rewind(file);
+    CBufferedFile bf(file, /*nBufSize=*/file_size + 1, /*nRewindIn=*/file_size, 0, 0);
+
+    bench.run([&] {
+        bf.SetPos(0);
+        bf.FindByte(std::byte(1));
+    });
+
+    // Cleanup
+    bf.fclose();
+    fs::remove("streams_tmp");
+}
+
+BENCHMARK(FindByte, benchmark::PriorityLevel::HIGH);
diff --git a/src/bench/util_time.cpp b/src/bench/util_time.cpp
index 8dbbdec28c..4cbc0dfbbd 100644
--- a/src/bench/util_time.cpp
+++ b/src/bench/util_time.cpp
@@ -32,7 +32,7 @@ static void BenchTimeMillis(benchmark::Bench& bench)
 static void BenchTimeMillisSys(benchmark::Bench& bench)
 {
     bench.run([&] {
-        (void)GetTimeMillis();
+        (void)TicksSinceEpoch<std::chrono::milliseconds>(SystemClock::now());
     });
 }