diff --git a/src/contact-storage.h b/src/contact-storage.h
index 882dff5..ee5f032 100644
--- a/src/contact-storage.h
+++ b/src/contact-storage.h
@@ -36,6 +36,9 @@
   void
   addContact(const ContactItem& contactItem);
 
+  void
+  updateIsIntroducer(const ndn::Name& identity, bool isIntroducer);
+
   void 
   updateAlias(const ndn::Name& identity, std::string alias);
 
@@ -48,6 +51,8 @@
   ndn::Ptr<Profile>
   getSelfProfile(const ndn::Name& identity) const;
 
+
+  //SelfEndorse
   ndn::Ptr<ndn::Blob>
   getSelfEndorseCertificate(const ndn::Name& identity);
 
@@ -56,7 +61,30 @@
 
   void
   addSelfEndorseCertificate(ndn::Ptr<EndorseCertificate> endorseCertificate, const ndn::Name& identity);
+
+
+  //ProfileEndorse
+  ndn::Ptr<ndn::Blob>
+  getEndorseCertificate(const ndn::Name& identity);
+
+  void
+  updateEndorseCertificate(ndn::Ptr<EndorseCertificate> endorseCertificate, const ndn::Name& identity);
+
+  void
+  addEndorseCertificate(ndn::Ptr<EndorseCertificate> endorseCertificate, const ndn::Name& identity);
+
+  std::vector<std::string>
+  getEndorseList(const ndn::Name& identity);
+
   
+  //CollectEndorse
+  void
+  updateCollectEndorse(const EndorseCertificate& endorseCertificate);
+
+  ndn::Ptr<std::vector<ndn::Blob> >
+  getCollectEndorseList(const ndn::Name& name);
+  
+
 private:
   bool
   doesSelfEntryExist(const ndn::Name& identity, const std::string& profileType);