From 85a411d5cfce3a7ebb3cf1a801dea76d2c8e719a Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Sat, 4 Jun 2016 19:38:38 +0200
Subject: [PATCH] test if a donation address exists

---
 gui/qt/main_window.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
index 10789beb..f6546ee2 100644
--- a/gui/qt/main_window.py
+++ b/gui/qt/main_window.py
@@ -445,10 +445,12 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         self.setMenuBar(menubar)
 
     def donate_to_server(self):
-        if self.network.is_connected():
-            d = self.network.get_donation_address()
+        d = self.network.get_donation_address()
+        if d:
             host = self.network.get_parameters()[0]
             self.pay_to_URI('bitcoin:%s?message=donation for %s'%(d, host))
+        else:
+            self.show_error(_('No donation address for this server'))
 
     def show_about(self):
         QMessageBox.about(self, "Electrum",