1 files changed, 10 insertions, 0 deletions
diff --git a/src/cryptonote_basic/hardfork.h b/src/cryptonote_basic/hardfork.h
index a63a66976..a3fc25dfa 100644
--- a/src/cryptonote_basic/hardfork.h
+++ b/src/cryptonote_basic/hardfork.h
@@ -150,6 +150,16 @@ namespace cryptonote
     bool reorganize_from_chain_height(uint64_t height);
 
     /**
+     * @brief called when one or more blocks are popped from the blockchain
+     *
+     * The current fork will be updated by looking up the db,
+     * which is much cheaper than recomputing everything
+     *
+     * @param new_chain_height the height of the chain after popping
+     */
+    void on_block_popped(uint64_t new_chain_height);
+
+    /**
      * @brief returns current state at the given time
      *
      * Based on the approximate time of the last known hard fork,