Introduce peer requirement announcement. (#156)

src/comm/comm_session.cpp

@@ -305,6 +305,15 @@ namespace comm
         }
     }
 
+    /**
+     * Mark the connection as a verified connection.
+    */
+    void comm_session::mark_as_verified()
+    {
+        challenge_status = CHALLENGE_STATUS::CHALLENGE_VERIFIED;
+        handle_on_verified();
+    }
+
     int comm_session::handle_connect()
     {
         return 0;
@@ -319,4 +328,8 @@ namespace comm
     {
     }
 
+    void comm_session::handle_on_verified()
+    {
+    }
+
 } // namespace comm