Added contact based dest

examples/serial_msg.py

@@ -38,7 +38,7 @@ async def main():
         # Send the message and get the MSG_SENT event
         print(f"Sending message: '{args.message}'")
         send_result = await mc.commands.send_msg(
-            bytes.fromhex(contact["public_key"])[0:6], 
+            contact, 
             args.message
         )
         

examples/serial_repeater_status.py

@@ -16,7 +16,10 @@ async def main () :
     await mc.commands.get_contacts()
     repeater = mc.get_contact_by_name(REPEATER)
     
-    await mc.commands.send_login(bytes.fromhex(repeater["public_key"]), PASSWORD)
+    if repeater is None:
+        print(f"Repeater '{REPEATER}' not found in contacts.")
+        return
+    await mc.commands.send_login(repeater, PASSWORD)
 
     print("Login sent ... awaiting")
 

examples/tcp_mchome_msg.py

@@ -17,6 +17,10 @@ async def main () :
     await mc.connect()
 
     await mc.ensure_contacts()
-    await mc.commands.send_msg(bytes.fromhex(mc.get_contact_by_name(DEST)["public_key"])[0:6],MSG)
+    contact = mc.get_contact_by_name(DEST)
+    if contact is None:
+        print(f"Contact '{DEST}' not found in contacts.")
+        return
+    await mc.commands.send_msg(contact ,MSG)
 
 asyncio.run(main())