wallet.delete_contact method

gui/gui_classic.py

@@ -1016,8 +1016,7 @@ class ElectrumWindow(QMainWindow):
 
     def delete_contact(self, x):
         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
-            if x in self.wallet.addressbook:
+            self.wallet.delete_contact(x)
-                self.wallet.addressbook.remove(x)
             self.set_label(x, None)
             self.update_history_tab()
             self.update_contacts_tab()

lib/wallet.py

@@ -419,6 +419,11 @@ class Wallet:
             self.labels[address] = label
             self.config.set_key('labels', self.labels)
 
+    def delete_contact(self, addr):
+        if addr in self.addressbook:
+            self.addressbook.remove(addr)
+            self.config.set_key('addressbook', self.addressbook, True)
+
 
     def fill_addressbook(self):
         for tx_hash, tx in self.transactions.items():