diff --git a/bffhd/db/index.rs b/bffhd/db/index.rs
new file mode 100644
index 0000000..1865f23
--- /dev/null
+++ b/bffhd/db/index.rs
@@ -0,0 +1,34 @@
+/*
+ * Copyright © 2022 RLKM UG (haftungsbeschränkt).
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+
+use std::marker::PhantomData;
+use lmdb::Transaction;
+use crate::db;
+use crate::db::{Adapter, DB};
+
+pub struct Index {
+ db: DB,
+ _marker: PhantomData,
+}
+
+impl, A: Adapter> Index {
+ pub fn get(
+ &self, txn: &T, lookup: I,
+ ) -> Result