use outbound.nickname as tunnel name if inbound.nickname is not set

libi2pd/Destination.cpp

@@ -59,7 +59,13 @@ namespace client
 					}
 				}
 				it = params->find (I2CP_PARAM_INBOUND_NICKNAME);
-				if (it != params->end ()) m_Nickname = it->second; // otherwise we set deafult nickname in Start when we know local address
+				if (it != params->end ()) m_Nickname = it->second; 
+				else // try outbound
+				{	
+					it = params->find (I2CP_PARAM_OUTBOUND_NICKNAME);
+					if (it != params->end ()) m_Nickname = it->second; 
+					// otherwise we set deafult nickname in Start when we know local address
+				}
 			}
 		} 
 		catch (std::exception & ex) 

libi2pd/Destination.h

@@ -51,6 +51,7 @@ namespace client
 	const char I2CP_PARAM_TAGS_TO_SEND[] = "crypto.tagsToSend";
 	const int DEFAULT_TAGS_TO_SEND = 40;
 	const char I2CP_PARAM_INBOUND_NICKNAME[] = "inbound.nickname";
+	const char I2CP_PARAM_OUTBOUND_NICKNAME[] = "outbound.nickname";
 
 	// latency
 	const char I2CP_PARAM_MIN_TUNNEL_LATENCY[] = "latency.min";