Update Device api

src/device.rs

@@ -54,7 +54,17 @@ impl Device {
         self.paired_member = Some(member);
     }
 
+    pub fn unpair(&mut self) {
+        self.paired_member = None;
+        self.pairing_process_commitment = None;
+    }
+
     pub fn to_member(&self) -> Option<Member> {
         self.paired_member.clone()
     }
-}
+
+    pub fn get_other_addresses(&self) -> Vec<String> {
+        let our_address = self.get_wallet().get_client().get_receiving_address();
+        self.to_member().unwrap().get_addresses().into_iter().filter(|a| *a != our_address).collect()
+    }
+}