never send Ack to HolePunch and PeerTest messages

libi2pd/SSU2Session.cpp

@@ -1420,6 +1420,7 @@ namespace transport
 			return false;
 		}
 		HandlePayload (payload, len - 48);
+		m_IsDataReceived = false;
 		// connect to Charlie
 		ConnectAfterIntroduction ();
 
@@ -3113,6 +3114,7 @@ namespace transport
 			return false;
 		}
 		HandlePayload (payload, len - 48);
+		SetIsDataReceived (false);
 		return true;
 	}	
 

libi2pd/SSU2Session.h

@@ -282,6 +282,7 @@ namespace transport
 			RouterStatus GetRouterStatus () const;
 			void SetRouterStatus (RouterStatus status) const;
 			size_t GetMaxPayloadSize () const { return m_MaxPayloadSize; }
+			void SetIsDataReceived (bool dataReceived) { m_IsDataReceived = dataReceived; };
 			
 			uint64_t GetSourceConnID () const { return m_SourceConnID; }
 			void SetSourceConnID (uint64_t sourceConnID) { m_SourceConnID = sourceConnID; }