1 files changed, 48 insertions, 0 deletions
diff --git a/src/blockchain_db/blockchain_db.cpp b/src/blockchain_db/blockchain_db.cpp
index a6774a25c..01a59e079 100644
--- a/src/blockchain_db/blockchain_db.cpp
+++ b/src/blockchain_db/blockchain_db.cpp
@@ -33,6 +33,19 @@
 #include "profile_tools.h"
 #include "ringct/rctOps.h"
 
+#include "lmdb/db_lmdb.h"
+#ifdef BERKELEY_DB
+#include "berkeleydb/db_bdb.h"
+#endif
+
+static const char *db_types[] = {
+  "lmdb",
+#ifdef BERKELEY_DB
+  "berkeley",
+#endif
+  NULL
+};
+
 #undef MONERO_DEFAULT_LOG_CATEGORY
 #define MONERO_DEFAULT_LOG_CATEGORY "blockchain.db"
 
@@ -41,6 +54,41 @@ using epee::string_tools::pod_to_hex;
 namespace cryptonote
 {
 
+bool blockchain_valid_db_type(const std::string& db_type)
+{
+  int i;
+  for (i=0; db_types[i]; i++)
+  {
+    if (db_types[i] == db_type)
+      return true;
+  }
+  return false;
+}
+
+std::string blockchain_db_types(const std::string& sep)
+{
+  int i;
+  std::string ret = "";
+  for (i=0; db_types[i]; i++)
+  {
+    if (i)
+      ret += sep;
+    ret += db_types[i];
+  }
+  return ret;
+}
+
+BlockchainDB *new_db(const std::string& db_type)
+{
+  if (db_type == "lmdb")
+    return new BlockchainLMDB();
+#if defined(BERKELEY_DB)
+  if (db_type == "berkeley")
+    return new BlockchainBDB();
+#endif
+  return NULL;
+}
+
 void BlockchainDB::pop_block()
 {
   block blk;