User messages management + png contactcard to protobuf

client/peer.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"forge.redroom.link/yves/meowlib"
+	"google.golang.org/protobuf/proto"
 )
 
 type Peer struct {
@@ -53,6 +54,18 @@ func (pl *PeerList) GetFromName(name string) *Peer {
 	return nil
 }
 
+func (p *Peer) BuildSimpleUserUMessage(message []byte) ([]byte, error) {
+	var msg meowlib.UserMessage
+	msg.From = p.Me.Public
+	msg.Data = message
+	msg.Type = "1"
+	out, err := proto.Marshal(&msg)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // AsymEncryptMessage prepares a message to send to a specific peer contact
 func (p *Peer) AsymEncryptMessage(Message []byte) (EncryptedMessage []byte, Signature []byte, Servers []*meowlib.Server, err error) {
 	EncryptedMessage, Signature, err = meowlib.AsymEncryptAndSign(p.Contact.EncryptionPublicKey, p.Me.Private, Message)