Remove legacy workarounds.
authorCryptoManiac <balthazar@yandex.ru>
Mon, 11 Apr 2016 19:46:01 +0000 (22:46 +0300)
committerCryptoManiac <balthazar@yandex.ru>
Mon, 11 Apr 2016 19:46:01 +0000 (22:46 +0300)
src/txdb-leveldb.cpp

index 562652e..493dac1 100644 (file)
@@ -33,36 +33,6 @@ static leveldb::Options GetOptions() {
     return options;
 }
 
-void init_blockindex(leveldb::Options& options, bool fRemoveOld = false) {
-    // First time init.
-    filesystem::path directory = GetDataDir() / "txleveldb";
-
-    if (fRemoveOld) {
-        filesystem::remove_all(directory); // remove directory
-        unsigned int nFile = 1;
-
-        for ( ; ; )
-        {
-            filesystem::path strBlockFile = GetDataDir() / strprintf("blk%04u.dat", nFile);
-
-            // Break if no such file
-            if( !filesystem::exists( strBlockFile ) )
-                break;
-
-            filesystem::remove(strBlockFile);
-
-            nFile++;
-        }
-    }
-
-    filesystem::create_directory(directory);
-    printf("Opening LevelDB in %s\n", directory.string().c_str());
-    leveldb::Status status = leveldb::DB::Open(options, directory.string(), &txdb);
-    if (!status.ok()) {
-        throw runtime_error(strprintf("init_blockindex(): error opening database environment %s", status.ToString().c_str()));
-    }
-}
-
 // CDB subclasses are created and destroyed VERY OFTEN. That's why
 // we shouldn't treat this as a free operations.
 CTxDB::CTxDB(const char* pszMode)
@@ -76,44 +46,26 @@ CTxDB::CTxDB(const char* pszMode)
         return;
     }
 
+    // First time init.
+    filesystem::path directory = GetDataDir() / "txleveldb";
     bool fCreate = strchr(pszMode, 'c');
 
     options = GetOptions();
     options.create_if_missing = fCreate;
     options.filter_policy = leveldb::NewBloomFilterPolicy(10);
-
-    init_blockindex(options); // Init directory
+    filesystem::create_directory(directory);
+    printf("Opening LevelDB in %s\n", directory.string().c_str());
+    leveldb::Status status = leveldb::DB::Open(options, directory.string(), &txdb);
+    if (!status.ok()) {
+        throw runtime_error(strprintf("CDB(): error opening database environment %s", status.ToString().c_str()));
+    }
     pdb = txdb;
 
-    if (Exists(string("version")))
-    {
-        ReadVersion(nVersion);
-        printf("Transaction index version is %d\n", nVersion);
-
-        if (nVersion < DATABASE_VERSION)
-        {
-            printf("Required index version is %d, removing old database\n", DATABASE_VERSION);
-
-            // Leveldb instance destruction
-            delete txdb;
-            txdb = pdb = NULL;
-            delete activeBatch;
-            activeBatch = NULL;
-
-            init_blockindex(options, true); // Remove directory and create new database
-            pdb = txdb;
-
-            bool fTmp = fReadOnly;
-            fReadOnly = false;
-            WriteVersion(DATABASE_VERSION); // Save transaction index version
-            fReadOnly = fTmp;
-        }
-    }
-    else if (fCreate)
+    if (fCreate && !Exists(string("version")))
     {
         bool fTmp = fReadOnly;
         fReadOnly = false;
-        WriteVersion(DATABASE_VERSION);
+        WriteVersion(CLIENT_VERSION);
         fReadOnly = fTmp;
     }