cleaner invitation step messages

client/invitation/messages/step1.go

@@ -1,22 +1,23 @@
 package messages
 
 import (
-	"forge.redroom.link/yves/meowlib"
 	"forge.redroom.link/yves/meowlib/client"
+	"google.golang.org/protobuf/proto"
 )
 
 // Step1InitiatorCreatesInviteeAndTempKey creates a minimal pending peer and a temporary
-// keypair, and returns the InvitationInitPayload to be transmitted to the invitee
-// via any transport (file, QR, server…).
-func Step1InitiatorCreatesInviteeAndTempKey(contactName string, myNickname string, invitationMessage string, serverUids []string) (*meowlib.InvitationInitPayload, *client.Peer, error) {
+// keypair, and returns the serialized InvitationInitPayload bytes to be transmitted to
+// the invitee via any transport (file, QR, server…). The peer is already persisted by
+// InvitationStep1 so no peer reference is returned.
+func Step1InitiatorCreatesInviteeAndTempKey(contactName string, myNickname string, invitationMessage string, serverUids []string) ([]byte, error) {
 	mynick := myNickname
 	if mynick == "" {
 		mynick = client.GetConfig().GetIdentity().Nickname
 	}
-	payload, peer, err := client.GetConfig().GetIdentity().InvitationStep1(mynick, contactName, serverUids, invitationMessage)
+	payload, _, err := client.GetConfig().GetIdentity().InvitationStep1(mynick, contactName, serverUids, invitationMessage)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 	client.GetConfig().GetIdentity().Save()
-	return payload, peer, nil
+	return proto.Marshal(payload)
 }