revealer: warning re version 0 now includes URL

electrum/gui/qt/util.py

@@ -216,7 +216,7 @@ class MessageBoxMixin(object):
             d = QMessageBox(icon, title, str(text), buttons, parent)
         d.setWindowModality(Qt.WindowModal)
         d.setDefaultButton(defaultButton)
-        d.setTextInteractionFlags(Qt.TextSelectableByMouse)
+        d.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.LinksAccessibleByMouse)
         return d.exec_()
 
 class WindowModalDialog(QDialog, MessageBoxMixin):

electrum/plugins/revealer/qt.py

@@ -201,10 +201,14 @@ class Plugin(RevealerPlugin):
 
     def warn_old_revealer(self):
         if self.versioned_seed.version == '0':
-            self.d.show_warning(''.join(
-                ["<b>", _("Warning"), ": </b>",
-                 _("Revealers starting with 0 are not secure due to a vulnerability."), ' ',
-                 _("Proceed at your own risk.")]))
+            link = "https://revealer.cc/revealer-warning-and-upgrade/"
+            self.d.show_warning(("<b>{warning}: </b>{ver0}<br>"
+                                 "{url}<br>"
+                                 "{risk}")
+                                .format(warning=_("Warning"),
+                                        ver0=_("Revealers starting with 0 are not secure due to a vulnerability."),
+                                        url=_("More info at: {}").format(f'<a href="{link}">{link}</a>'),
+                                        risk=_("Proceed at your own risk.")))
 
     def cypherseed_dialog(self, window):
         self.warn_old_revealer()