diff --git a/src/contact-storage.hpp b/src/contact-storage.hpp
index aa137b4..10bb117 100644
--- a/src/contact-storage.hpp
+++ b/src/contact-storage.hpp
@@ -44,6 +44,9 @@
   void
   addSelfEndorseCertificate(const EndorseCertificate& endorseCertificate);
 
+  shared_ptr<EndorseCertificate>
+  getSelfEndorseCertificate();
+
   void
   addEndorseCertificate(const EndorseCertificate& endorseCertificate, const Name& identity);
 
@@ -53,6 +56,9 @@
   void
   getCollectEndorse(EndorseCollection& endorseCollection);
 
+  shared_ptr<EndorseCertificate>
+  getCollectEndorseByName(const Name& name);
+
   void
   getEndorseList(const Name& identity, std::vector<std::string>& endorseList);