Simplified LevelDB data storing.

leveldb.go

@@ -31,11 +31,11 @@ func NewLeveDBBackend(path string, cacheSize int) (ldb *LevelDBBackend, err erro
 }
 
 func (ldb *LevelDBBackend) Shutdown() error {
-    tx := ldb.tx
-    if tx != nil {
-        ldb.tx = nil
-        tx.Close()
-    }
+	tx := ldb.tx
+	if tx != nil {
+		ldb.tx = nil
+		tx.Close()
+	}
 	ldb.db.Close()
 	ldb.cache.Close()
 	return nil
@@ -89,7 +89,7 @@ func (ldb *LevelDBBackend) CommitTransaction() (err error) {
 	tx := ldb.tx
 	ldb.tx = nil
 	wo := leveldb.NewWriteOptions()
-	err =  ldb.db.Write(wo, tx)
-    wo.Close()
-    return
+	err = ldb.db.Write(wo, tx)
+	wo.Close()
+	return
 }