1 files changed, 12 insertions, 14 deletions

diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index fa7cb988a..8f1e07e0d 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -24,6 +24,7 @@
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#pragma once
 
 #include "blockchain_db/blockchain_db.h"
 #include "cryptonote_protocol/blobdatatype.h" // for type blobdata
@@ -33,17 +34,17 @@
 namespace cryptonote
 {
 
-struct txn_safe
+struct mdb_txn_safe
 {
-  txn_safe() : m_txn(NULL) { }
-  ~txn_safe()
+  mdb_txn_safe() : m_txn(NULL) { }
+  ~mdb_txn_safe()
   {
-    LOG_PRINT_L3("txn_safe: destructor");
+    LOG_PRINT_L3("mdb_txn_safe: destructor");
     if (m_txn != NULL)
     {
       if (m_batch_txn) // this is a batch txn and should have been handled before this point for safety
       {
-        LOG_PRINT_L0("WARNING: txn_safe: m_txn is a batch txn and it's not NULL in destructor - calling mdb_txn_abort()");
+        LOG_PRINT_L0("WARNING: mdb_txn_safe: m_txn is a batch txn and it's not NULL in destructor - calling mdb_txn_abort()");
       }
       else
       {
@@ -53,7 +54,7 @@ struct txn_safe
         //
         // NOTE: not sure if this is ever reached for a non-batch write
         // transaction, but it's probably not ideal if it did.
-        LOG_PRINT_L3("txn_safe: m_txn not NULL in destructor - calling mdb_txn_abort()");
+        LOG_PRINT_L3("mdb_txn_safe: m_txn not NULL in destructor - calling mdb_txn_abort()");
       }
       mdb_txn_abort(m_txn);
     }
@@ -77,11 +78,11 @@ struct txn_safe
 
   // This should only be needed for batch transaction which must be ensured to
   // be aborted before mdb_env_close, not after. So we can't rely on
-  // BlockchainLMDB destructor to call txn_safe destructor, as that's too late
+  // BlockchainLMDB destructor to call mdb_txn_safe destructor, as that's too late
   // to properly abort, since mdb_env_close would have been called earlier.
   void abort()
   {
-    LOG_PRINT_L3("txn_safe: abort()");
+    LOG_PRINT_L3("mdb_txn_safe: abort()");
     if(m_txn != NULL)
     {
       mdb_txn_abort(m_txn);
@@ -89,7 +90,7 @@ struct txn_safe
     }
     else
     {
-      LOG_PRINT_L0("WARNING: txn_safe: abort() called, but m_txn is NULL");
+      LOG_PRINT_L0("WARNING: mdb_txn_safe: abort() called, but m_txn is NULL");
     }
   }
 
@@ -116,8 +117,6 @@ public:
 
   virtual void open(const std::string& filename, const int mdb_flags=0);
 
-  virtual void create(const std::string& filename);
-
   virtual void close();
 
   virtual void sync();
@@ -302,12 +301,11 @@ private:
 
   MDB_dbi m_spent_keys;
 
-  bool m_open;
   uint64_t m_height;
   uint64_t m_num_outputs;
   std::string m_folder;
-  txn_safe* m_write_txn; // may point to either a short-lived txn or a batch txn
-  txn_safe m_write_batch_txn; // persist batch txn outside of BlockchainLMDB
+  mdb_txn_safe* m_write_txn; // may point to either a short-lived txn or a batch txn
+  mdb_txn_safe m_write_batch_txn; // persist batch txn outside of BlockchainLMDB
 
   bool m_batch_transactions; // support for batch transactions
   bool m_batch_active; // whether batch transaction is in progress