delete pending outgoind session when SessionCreated received

libi2pd/SSU2.cpp

@@ -286,6 +286,11 @@ namespace transport
 		return nullptr;
 	}
 
+	void SSU2Server::RemovePendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep)
+	{
+		m_PendingOutgoingSessions.erase (ep);
+	}	
+		
 	std::shared_ptr<SSU2Session> SSU2Server::GetRandomSession (i2p::data::RouterInfo::CompatibleTransports remoteTransports) const
 	{
 		if (m_Sessions.empty ()) return nullptr;

libi2pd/SSU2.h

@@ -55,6 +55,7 @@ namespace transport
 			void RemoveSession (uint64_t connID);
 			void AddSessionByRouterHash (std::shared_ptr<SSU2Session> session);
 			bool AddPendingOutgoingSession (std::shared_ptr<SSU2Session> session);
+			void RemovePendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep);
 			std::shared_ptr<SSU2Session> FindSession (const i2p::data::IdentHash& ident) const;
 			std::shared_ptr<SSU2Session> FindPendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep) const;
 			std::shared_ptr<SSU2Session> GetRandomSession (i2p::data::RouterInfo::CompatibleTransports remoteTransports) const;

libi2pd/SSU2Session.cpp

@@ -545,6 +545,7 @@ namespace transport
 		HandlePayload (decryptedPayload.data (), decryptedPayload.size ());
 
 		m_Server.AddSession (shared_from_this ());
+		m_Server.RemovePendingOutgoingSession (m_RemoteEndpoint); 
 		SendSessionConfirmed (headerX + 16);
 		KDFDataPhase (m_KeyDataSend, m_KeyDataReceive);
 		Established ();