start through server invitation process

client/server.go

@@ -100,6 +100,24 @@ func (ints *InternalServer) BuildMessageRequestMessage(lookupKeys []string) ([]b
 	return out, nil
 }
 
+// Creates a basic message to server from a single packed user message and returns it as protobuf serialized byte array
+func (ints *InternalServer) BuildToServerMessageInvitation(invitation *meowlib.ContactCard, password string, timeout int, urllen int) (*meowlib.ToServerMessage, error) {
+	var msg meowlib.ToServerMessage
+	var inv meowlib.Invitation
+	payload, err := invitation.Compress()
+	if err != nil {
+		return nil, err
+	}
+	msg.Type = "1"
+	msg.From = ints.Me.Public
+	inv.Password = password
+	inv.Timeout = int32(timeout)
+	inv.Urllen = int32(urllen)
+	inv.Payload = payload
+	msg.Invitation = &inv
+	return &msg, nil
+}
+
 func (ints *InternalServer) PackServerMessage(payload []byte, signature []byte) (protoPackedMessage []byte, err error) {
 	var msg meowlib.PackedServerMessage
 	msg.From = ints.Me.Public