Use AutoFile where possible

17 files changed, 46 insertions, 49 deletions

diff --git a/src/index/blockfilterindex.cpp b/src/index/blockfilterindex.cpp
index c92b8c7e19..bc44a90c0e 100644
--- a/src/index/blockfilterindex.cpp
+++ b/src/index/blockfilterindex.cpp
@@ -131,7 +131,7 @@ 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);
+    AutoFile file{m_filter_fileseq->Open(pos)};
     if (file.IsNull()) {
         return error("%s: Failed to open filter file %d", __func__, pos.nFile);
     }
@@ -145,7 +145,7 @@ bool BlockFilterIndex::CommitInternal(CDBBatch& batch)
 
 bool BlockFilterIndex::ReadFilterFromDisk(const FlatFilePos& pos, BlockFilter& filter) const
 {
-    CAutoFile filein(m_filter_fileseq->Open(pos, true), SER_DISK, CLIENT_VERSION);
+    AutoFile filein{m_filter_fileseq->Open(pos, true)};
     if (filein.IsNull()) {
         return false;
     }
@@ -173,7 +173,7 @@ size_t BlockFilterIndex::WriteFilterToDisk(FlatFilePos& pos, const BlockFilter&
 
     // 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);
+        AutoFile last_file{m_filter_fileseq->Open(pos)};
         if (last_file.IsNull()) {
             LogPrintf("%s: Failed to open filter file %d\n", __func__, pos.nFile);
             return 0;
@@ -199,7 +199,7 @@ size_t BlockFilterIndex::WriteFilterToDisk(FlatFilePos& pos, const BlockFilter&
         return 0;
     }
 
-    CAutoFile fileout(m_filter_fileseq->Open(pos), SER_DISK, CLIENT_VERSION);
+    AutoFile fileout{m_filter_fileseq->Open(pos)};
     if (fileout.IsNull()) {
         LogPrintf("%s: Failed to open filter file %d\n", __func__, pos.nFile);
         return 0;
diff --git a/src/net.cpp b/src/net.cpp
index 7f4e571c8d..a91abae944 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -3054,7 +3054,7 @@ void CaptureMessageToFile(const CAddress& addr,
     fs::create_directories(base_path);
 
     fs::path path = base_path / (is_incoming ? "msgs_recv.dat" : "msgs_sent.dat");
-    CAutoFile f(fsbridge::fopen(path, "ab"), SER_DISK, CLIENT_VERSION);
+    AutoFile f{fsbridge::fopen(path, "ab")};
 
     ser_writedata64(f, now.count());
     f.write(MakeByteSpan(msg_type));
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp
index 27a6ab221f..2b940be07e 100644
--- a/src/policy/fees.cpp
+++ b/src/policy/fees.cpp
@@ -161,13 +161,13 @@ public:
     unsigned int GetMaxConfirms() const { return scale * confAvg.size(); }
 
     /** Write state of estimation data to a file*/
-    void Write(CAutoFile& fileout) const;
+    void Write(AutoFile& fileout) const;
 
     /**
      * Read saved state of estimation data from a file and replace all internal data structures and
      * variables with this state.
      */
-    void Read(CAutoFile& filein, int nFileVersion, size_t numBuckets);
+    void Read(AutoFile& filein, int nFileVersion, size_t numBuckets);
 };
 
 
@@ -390,7 +390,7 @@ double TxConfirmStats::EstimateMedianVal(int confTarget, double sufficientTxVal,
     return median;
 }
 
-void TxConfirmStats::Write(CAutoFile& fileout) const
+void TxConfirmStats::Write(AutoFile& fileout) const
 {
     fileout << Using<EncodedDoubleFormatter>(decay);
     fileout << scale;
@@ -400,7 +400,7 @@ void TxConfirmStats::Write(CAutoFile& fileout) const
     fileout << Using<VectorFormatter<VectorFormatter<EncodedDoubleFormatter>>>(failAvg);
 }
 
-void TxConfirmStats::Read(CAutoFile& filein, int nFileVersion, size_t numBuckets)
+void TxConfirmStats::Read(AutoFile& filein, int nFileVersion, size_t numBuckets)
 {
     // Read data file and do some very basic sanity checking
     // buckets and bucketMap are not updated yet, so don't access them
@@ -546,7 +546,7 @@ CBlockPolicyEstimator::CBlockPolicyEstimator(const fs::path& estimation_filepath
     longStats = std::unique_ptr<TxConfirmStats>(new TxConfirmStats(buckets, bucketMap, LONG_BLOCK_PERIODS, LONG_DECAY, LONG_SCALE));
 
     // If the fee estimation file is present, read recorded estimations
-    CAutoFile est_file(fsbridge::fopen(m_estimation_filepath, "rb"), SER_DISK, CLIENT_VERSION);
+    AutoFile est_file{fsbridge::fopen(m_estimation_filepath, "rb")};
     if (est_file.IsNull() || !Read(est_file)) {
         LogPrintf("Failed to read fee estimates from %s. Continue anyway.\n", fs::PathToString(m_estimation_filepath));
     }
@@ -904,13 +904,13 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, FeeCalculation
 void CBlockPolicyEstimator::Flush() {
     FlushUnconfirmed();
 
-    CAutoFile est_file(fsbridge::fopen(m_estimation_filepath, "wb"), SER_DISK, CLIENT_VERSION);
+    AutoFile est_file{fsbridge::fopen(m_estimation_filepath, "wb")};
     if (est_file.IsNull() || !Write(est_file)) {
         LogPrintf("Failed to write fee estimates to %s. Continue anyway.\n", fs::PathToString(m_estimation_filepath));
     }
 }
 
-bool CBlockPolicyEstimator::Write(CAutoFile& fileout) const
+bool CBlockPolicyEstimator::Write(AutoFile& fileout) const
 {
     try {
         LOCK(m_cs_fee_estimator);
@@ -935,7 +935,7 @@ bool CBlockPolicyEstimator::Write(CAutoFile& fileout) const
     return true;
 }
 
-bool CBlockPolicyEstimator::Read(CAutoFile& filein)
+bool CBlockPolicyEstimator::Read(AutoFile& filein)
 {
     try {
         LOCK(m_cs_fee_estimator);
diff --git a/src/policy/fees.h b/src/policy/fees.h
index 9ee5c2938a..e4628bf853 100644
--- a/src/policy/fees.h
+++ b/src/policy/fees.h
@@ -20,7 +20,7 @@
 #include <string>
 #include <vector>
 
-class CAutoFile;
+class AutoFile;
 class CTxMemPoolEntry;
 class TxConfirmStats;
 
@@ -220,11 +220,11 @@ public:
         EXCLUSIVE_LOCKS_REQUIRED(!m_cs_fee_estimator);
 
     /** Write estimation data to a file */
-    bool Write(CAutoFile& fileout) const
+    bool Write(AutoFile& fileout) const
         EXCLUSIVE_LOCKS_REQUIRED(!m_cs_fee_estimator);
 
     /** Read estimation data from a file */
-    bool Read(CAutoFile& filein)
+    bool Read(AutoFile& filein)
         EXCLUSIVE_LOCKS_REQUIRED(!m_cs_fee_estimator);
 
     /** Empty mempool transactions on shutdown to record failure to confirm for txs still in mempool */
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index af9458206e..c1b4e863b5 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -2293,7 +2293,7 @@ static RPCHelpMan dumptxoutset()
     }
 
     FILE* file{fsbridge::fopen(temppath, "wb")};
-    CAutoFile afile{file, SER_DISK, CLIENT_VERSION};
+    AutoFile afile{file};
     if (afile.IsNull()) {
         throw JSONRPCError(
             RPC_INVALID_PARAMETER,
@@ -2314,7 +2314,7 @@ static RPCHelpMan dumptxoutset()
 UniValue CreateUTXOSnapshot(
     NodeContext& node,
     CChainState& chainstate,
-    CAutoFile& afile,
+    AutoFile& afile,
     const fs::path& path,
     const fs::path& temppath)
 {
diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
index 5fbd9d5fd3..a332fd4892 100644
--- a/src/rpc/blockchain.h
+++ b/src/rpc/blockchain.h
@@ -55,7 +55,7 @@ void CalculatePercentilesByWeight(CAmount result[NUM_GETBLOCKSTATS_PERCENTILES],
 UniValue CreateUTXOSnapshot(
     node::NodeContext& node,
     CChainState& chainstate,
-    CAutoFile& afile,
+    AutoFile& afile,
     const fs::path& path,
     const fs::path& tmppath);
 
diff --git a/src/test/flatfile_tests.cpp b/src/test/flatfile_tests.cpp
index d54d6b6471..605faa08e4 100644
--- a/src/test/flatfile_tests.cpp
+++ b/src/test/flatfile_tests.cpp
@@ -41,26 +41,26 @@ BOOST_AUTO_TEST_CASE(flatfile_open)
 
     // Write first line to file.
     {
-        CAutoFile file(seq.Open(FlatFilePos(0, pos1)), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(0, pos1))};
         file << LIMITED_STRING(line1, 256);
     }
 
     // Attempt to append to file opened in read-only mode.
     {
-        CAutoFile file(seq.Open(FlatFilePos(0, pos2), true), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(0, pos2), true)};
         BOOST_CHECK_THROW(file << LIMITED_STRING(line2, 256), std::ios_base::failure);
     }
 
     // Append second line to file.
     {
-        CAutoFile file(seq.Open(FlatFilePos(0, pos2)), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(0, pos2))};
         file << LIMITED_STRING(line2, 256);
     }
 
     // Read text from file in read-only mode.
     {
         std::string text;
-        CAutoFile file(seq.Open(FlatFilePos(0, pos1), true), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(0, pos1), true)};
 
         file >> LIMITED_STRING(text, 256);
         BOOST_CHECK_EQUAL(text, line1);
@@ -72,7 +72,7 @@ BOOST_AUTO_TEST_CASE(flatfile_open)
     // Read text from file with position offset.
     {
         std::string text;
-        CAutoFile file(seq.Open(FlatFilePos(0, pos2)), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(0, pos2))};
 
         file >> LIMITED_STRING(text, 256);
         BOOST_CHECK_EQUAL(text, line2);
@@ -81,7 +81,7 @@ BOOST_AUTO_TEST_CASE(flatfile_open)
     // Ensure another file in the sequence has no data.
     {
         std::string text;
-        CAutoFile file(seq.Open(FlatFilePos(1, pos2)), SER_DISK, CLIENT_VERSION);
+        AutoFile file{seq.Open(FlatFilePos(1, pos2))};
         BOOST_CHECK_THROW(file >> LIMITED_STRING(text, 256), std::ios_base::failure);
     }
 }
diff --git a/src/test/fuzz/autofile.cpp b/src/test/fuzz/autofile.cpp
index 3b410930ed..1a8957d090 100644
--- a/src/test/fuzz/autofile.cpp
+++ b/src/test/fuzz/autofile.cpp
@@ -18,7 +18,7 @@ FUZZ_TARGET(autofile)
 {
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
     FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
-    CAutoFile auto_file = fuzzed_auto_file_provider.open();
+    AutoFile auto_file{fuzzed_auto_file_provider.open()};
     LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
         CallOneOf(
             fuzzed_data_provider,
@@ -53,8 +53,6 @@ FUZZ_TARGET(autofile)
             });
     }
     (void)auto_file.Get();
-    (void)auto_file.GetType();
-    (void)auto_file.GetVersion();
     (void)auto_file.IsNull();
     if (fuzzed_data_provider.ConsumeBool()) {
         FILE* f = auto_file.release();
diff --git a/src/test/fuzz/policy_estimator.cpp b/src/test/fuzz/policy_estimator.cpp
index 58c19a91cb..637ba503c6 100644
--- a/src/test/fuzz/policy_estimator.cpp
+++ b/src/test/fuzz/policy_estimator.cpp
@@ -76,7 +76,7 @@ FUZZ_TARGET_INIT(policy_estimator, initialize_policy_estimator)
     }
     {
         FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
-        CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
+        AutoFile fuzzed_auto_file{fuzzed_auto_file_provider.open()};
         block_policy_estimator.Write(fuzzed_auto_file);
         block_policy_estimator.Read(fuzzed_auto_file);
     }
diff --git a/src/test/fuzz/policy_estimator_io.cpp b/src/test/fuzz/policy_estimator_io.cpp
index 77402c260a..436873c955 100644
--- a/src/test/fuzz/policy_estimator_io.cpp
+++ b/src/test/fuzz/policy_estimator_io.cpp
@@ -26,7 +26,7 @@ FUZZ_TARGET_INIT(policy_estimator_io, initialize_policy_estimator_io)
 {
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
     FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
-    CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
+    AutoFile fuzzed_auto_file{fuzzed_auto_file_provider.open()};
     // Re-using block_policy_estimator across runs to avoid costly creation of CBlockPolicyEstimator object.
     static CBlockPolicyEstimator block_policy_estimator{FeeestPath(*g_setup->m_node.args)};
     if (block_policy_estimator.Read(fuzzed_auto_file)) {
diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h
index 4b89ad9bdc..f6a4e5570f 100644
--- a/src/test/fuzz/util.h
+++ b/src/test/fuzz/util.h
@@ -361,17 +361,16 @@ public:
 
 class FuzzedAutoFileProvider
 {
-    FuzzedDataProvider& m_fuzzed_data_provider;
     FuzzedFileProvider m_fuzzed_file_provider;
 
 public:
-    FuzzedAutoFileProvider(FuzzedDataProvider& fuzzed_data_provider) : m_fuzzed_data_provider{fuzzed_data_provider}, m_fuzzed_file_provider{fuzzed_data_provider}
+    FuzzedAutoFileProvider(FuzzedDataProvider& fuzzed_data_provider) : m_fuzzed_file_provider{fuzzed_data_provider}
     {
     }
 
-    CAutoFile open()
+    AutoFile open()
     {
-        return {m_fuzzed_file_provider.open(), m_fuzzed_data_provider.ConsumeIntegral<int>(), m_fuzzed_data_provider.ConsumeIntegral<int>()};
+        return AutoFile{m_fuzzed_file_provider.open()};
     }
 };
 
diff --git a/src/test/fuzz/utxo_snapshot.cpp b/src/test/fuzz/utxo_snapshot.cpp
index 33496a457e..0b596492be 100644
--- a/src/test/fuzz/utxo_snapshot.cpp
+++ b/src/test/fuzz/utxo_snapshot.cpp
@@ -39,13 +39,13 @@ FUZZ_TARGET_INIT(utxo_snapshot, initialize_chain)
     Assert(!chainman.SnapshotBlockhash());
 
     {
-        CAutoFile outfile{fsbridge::fopen(snapshot_path, "wb"), SER_DISK, CLIENT_VERSION};
+        AutoFile outfile{fsbridge::fopen(snapshot_path, "wb")};
         const auto file_data{ConsumeRandomLengthByteVector(fuzzed_data_provider)};
         outfile << Span{file_data};
     }
 
     const auto ActivateFuzzedSnapshot{[&] {
-        CAutoFile infile{fsbridge::fopen(snapshot_path, "rb"), SER_DISK, CLIENT_VERSION};
+        AutoFile infile{fsbridge::fopen(snapshot_path, "rb")};
         SnapshotMetadata metadata;
         try {
             infile >> metadata;
diff --git a/src/test/util/chainstate.h b/src/test/util/chainstate.h
index 5ac504c24f..13e0e684b8 100644
--- a/src/test/util/chainstate.h
+++ b/src/test/util/chainstate.h
@@ -16,7 +16,7 @@
 
 #include <boost/test/unit_test.hpp>
 
-const auto NoMalleation = [](CAutoFile& file, node::SnapshotMetadata& meta){};
+const auto NoMalleation = [](AutoFile& file, node::SnapshotMetadata& meta){};
 
 /**
  * Create and activate a UTXO snapshot, optionally providing a function to
@@ -32,7 +32,7 @@ CreateAndActivateUTXOSnapshot(node::NodeContext& node, const fs::path root, F ma
     WITH_LOCK(::cs_main, height = node.chainman->ActiveHeight());
     fs::path snapshot_path = root / fs::u8path(tfm::format("test_snapshot.%d.dat", height));
     FILE* outfile{fsbridge::fopen(snapshot_path, "wb")};
-    CAutoFile auto_outfile{outfile, SER_DISK, CLIENT_VERSION};
+    AutoFile auto_outfile{outfile};
 
     UniValue result = CreateUTXOSnapshot(
         node, node.chainman->ActiveChainstate(), auto_outfile, snapshot_path, snapshot_path);
@@ -42,7 +42,7 @@ CreateAndActivateUTXOSnapshot(node::NodeContext& node, const fs::path root, F ma
     // Read the written snapshot in and then activate it.
     //
     FILE* infile{fsbridge::fopen(snapshot_path, "rb")};
-    CAutoFile auto_infile{infile, SER_DISK, CLIENT_VERSION};
+    AutoFile auto_infile{infile};
     node::SnapshotMetadata metadata;
     auto_infile >> metadata;
 
diff --git a/src/test/validation_chainstatemanager_tests.cpp b/src/test/validation_chainstatemanager_tests.cpp
index 6dc522b421..14de96ff41 100644
--- a/src/test/validation_chainstatemanager_tests.cpp
+++ b/src/test/validation_chainstatemanager_tests.cpp
@@ -193,7 +193,7 @@ BOOST_FIXTURE_TEST_CASE(chainstatemanager_activate_snapshot, TestChain100Setup)
 
     // Should not load malleated snapshots
     BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
-        m_node, m_path_root, [](CAutoFile& auto_infile, SnapshotMetadata& metadata) {
+        m_node, m_path_root, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
             // A UTXO is missing but count is correct
             metadata.m_coins_count -= 1;
 
@@ -204,22 +204,22 @@ BOOST_FIXTURE_TEST_CASE(chainstatemanager_activate_snapshot, TestChain100Setup)
             auto_infile >> coin;
     }));
     BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
-        m_node, m_path_root, [](CAutoFile& auto_infile, SnapshotMetadata& metadata) {
+        m_node, m_path_root, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
             // Coins count is larger than coins in file
             metadata.m_coins_count += 1;
     }));
     BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
-        m_node, m_path_root, [](CAutoFile& auto_infile, SnapshotMetadata& metadata) {
+        m_node, m_path_root, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
             // Coins count is smaller than coins in file
             metadata.m_coins_count -= 1;
     }));
     BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
-        m_node, m_path_root, [](CAutoFile& auto_infile, SnapshotMetadata& metadata) {
+        m_node, m_path_root, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
             // Wrong hash
             metadata.m_base_blockhash = uint256::ZERO;
     }));
     BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
-        m_node, m_path_root, [](CAutoFile& auto_infile, SnapshotMetadata& metadata) {
+        m_node, m_path_root, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
             // Wrong hash
             metadata.m_base_blockhash = uint256::ONE;
     }));
diff --git a/src/util/asmap.cpp b/src/util/asmap.cpp
index ceb8379c1c..b1aa598453 100644
--- a/src/util/asmap.cpp
+++ b/src/util/asmap.cpp
@@ -195,7 +195,7 @@ std::vector<bool> DecodeAsmap(fs::path path)
 {
     std::vector<bool> bits;
     FILE *filestr = fsbridge::fopen(path, "rb");
-    CAutoFile file(filestr, SER_DISK, CLIENT_VERSION);
+    AutoFile file{filestr};
     if (file.IsNull()) {
         LogPrintf("Failed to open asmap file from disk\n");
         return bits;
diff --git a/src/validation.cpp b/src/validation.cpp
index 6b21d33871..36a9083117 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4864,7 +4864,7 @@ const AssumeutxoData* ExpectedAssumeutxo(
 }
 
 bool ChainstateManager::ActivateSnapshot(
-        CAutoFile& coins_file,
+        AutoFile& coins_file,
         const SnapshotMetadata& metadata,
         bool in_memory)
 {
@@ -4959,7 +4959,7 @@ static void FlushSnapshotToDisk(CCoinsViewCache& coins_cache, bool snapshot_load
 
 bool ChainstateManager::PopulateAndValidateSnapshot(
     CChainState& snapshot_chainstate,
-    CAutoFile& coins_file,
+    AutoFile& coins_file,
     const SnapshotMetadata& metadata)
 {
     // It's okay to release cs_main before we're done using `coins_cache` because we know
diff --git a/src/validation.h b/src/validation.h
index 0e27e117fa..cce268ee8e 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -820,7 +820,7 @@ private:
     //! Internal helper for ActivateSnapshot().
     [[nodiscard]] bool PopulateAndValidateSnapshot(
         CChainState& snapshot_chainstate,
-        CAutoFile& coins_file,
+        AutoFile& coins_file,
         const node::SnapshotMetadata& metadata);
 
     /**
@@ -909,7 +909,7 @@ public:
     //! - Move the new chainstate to `m_snapshot_chainstate` and make it our
     //!   ChainstateActive().
     [[nodiscard]] bool ActivateSnapshot(
-        CAutoFile& coins_file, const node::SnapshotMetadata& metadata, bool in_memory);
+        AutoFile& coins_file, const node::SnapshotMetadata& metadata, bool in_memory);
 
     //! The most-work chain.
     CChainState& ActiveChainstate() const;