kivy: support old-type seed phrases in wizard

gui/kivy/uix/dialogs/create_restore.py

@@ -452,7 +452,13 @@ class RestoreSeedDialog(WizardDialog):
         super(RestoreSeedDialog, self).__init__(**kwargs)
         self._test = kwargs['test']
         from electrum.mnemonic import Mnemonic
-        self.mnemonic = Mnemonic('en')
+        from electrum.old_mnemonic import words as old_wordlist
+        self.words = set(Mnemonic('en').wordlist).union(set(old_wordlist))
+
+    def get_suggestions(self, prefix):
+        for w in self.words:
+            if w.startswith(prefix):
+                yield w
 
     def on_text(self, dt):
         self.ids.next.disabled = not bool(self._test(self.get_text()))
@@ -467,7 +473,7 @@ class RestoreSeedDialog(WizardDialog):
 
         enable_space = False
         self.ids.suggestions.clear_widgets()
-        suggestions = [x for x in self.mnemonic.get_suggestions(last_word)]
+        suggestions = [x for x in self.get_suggestions(last_word)]
         if suggestions and len(suggestions) < 10:
             for w in suggestions:
                 if w == last_word:

gui/kivy/uix/dialogs/installwizard.py

@@ -36,7 +36,6 @@ class InstallWizard(Widget):
         self.config  = config
         self.network = network
         self.storage = storage
-        self.wallet = Wallet(self.storage)
 
     def waiting_dialog(self, task, msg, on_complete=None):
         '''Perform a blocking task in the background by running the passed
@@ -111,18 +110,17 @@ class InstallWizard(Widget):
 
     def add_seed(self, text, password):
         def task():
-            if Wallet.is_seed(text):
-                self.wallet.add_seed(text, password)
-                self.wallet.create_master_keys(password)
-            else:
-                self.wallet = Wallet.from_text(text, None, self.storage)
+            if not Wallet.is_seed(text):
+                raise BaseException("invalid seed")
+            self.wallet = Wallet.from_seed(text, password, self.storage)
             self.wallet.create_main_account()
             self.wallet.synchronize()
         msg= _("Electrum is generating your addresses, please wait.")
         self.waiting_dialog(task, msg, self.terminate)
 
     def create(self):
-        seed = self.wallet.make_seed()
+        from electrum.wallet import BIP32_Wallet
+        seed = BIP32_Wallet.make_seed()
         msg = _("If you forget your PIN or lose your device, your seed phrase will be the "
                 "only way to recover your funds.")
         def on_ok(_dlg, _btn):

lib/wallet.py

@@ -1615,6 +1615,7 @@ class BIP32_Wallet(Deterministic_Wallet):
     def mnemonic_to_seed(self, seed, password):
         return Mnemonic.mnemonic_to_seed(seed, password)
 
+    @classmethod
     def make_seed(self, lang=None):
         return Mnemonic(lang).make_seed()