Potential fix of sender recovery stage

src/stages/sender_recovery.rs

@@ -128,7 +128,7 @@ where
 
             debug!("Inserting recovered tx senders");
             for (db_key, db_value) in recovered_senders {
-                senders_cur.append(db_key, db_value)?;
+                senders_cur.put(db_key, db_value)?;
             }
 
             debug!(
@@ -164,7 +164,7 @@ where
 
             debug!("Inserting bx recovered senders");
             for (db_key, db_value) in recovered_bx_senders {
-                senders_bx_cur.append(db_key, db_value)?;
+                senders_bx_cur.put(db_key, db_value)?;
             }
 
             if !read_again {
@@ -230,6 +230,7 @@ where
         'db: 'tx,
     {
         unwind_by_block_key(tx, tables::TxSender, input, std::convert::identity)?;
+        unwind_by_block_key(tx, tables::BxSender, input, std::convert::identity)?;
 
         Ok(UnwindOutput {
             stage_progress: input.unwind_to,