Wizard: do not ask seed type, default to segwit

segwit addresses are widely supported today.

electrum/base_wizard.py

@@ -685,24 +685,9 @@ class BaseWizard(Logger):
     def show_xpub_and_add_cosigners(self, xpub):
         self.show_xpub_dialog(xpub=xpub, run_next=lambda x: self.run('choose_keystore'))
 
-    def choose_seed_type(self, message=None, choices=None):
-        title = _('Choose Seed type')
-        if message is None:
-            message = ' '.join([
-                _("The type of addresses used by your wallet will depend on your seed."),
-                _("Segwit wallets use bech32 addresses, defined in BIP173."),
-                _("Please note that websites and other wallets may not support these addresses yet."),
-                _("Thus, you might want to keep using a non-segwit wallet in order to be able to receive bitcoins during the transition period.")
-            ])
-        if choices is None:
-            choices = [
-                ('create_segwit_seed', _('Segwit')),
-                ('create_standard_seed', _('Legacy')),
-            ]
-        self.choice_dialog(title=title, message=message, choices=choices, run_next=self.run)
-
-    def create_segwit_seed(self): self.create_seed('segwit')
-    def create_standard_seed(self): self.create_seed('standard')
+    def choose_seed_type(self):
+        seed_type = 'standard' if self.config.get('nosegwit') else 'segwit'
+        self.create_seed(seed_type)
 
     def create_seed(self, seed_type):
         from . import mnemonic

electrum/commands.py

@@ -1356,6 +1356,7 @@ def get_parser():
     parser_gui.add_argument("-m", action="store_true", dest="hide_gui", default=False, help="hide GUI on startup")
     parser_gui.add_argument("-L", "--lang", dest="language", default=None, help="default language used in GUI")
     parser_gui.add_argument("--daemon", action="store_true", dest="daemon", default=False, help="keep daemon running after GUI is closed")
+    parser_gui.add_argument("--nosegwit", action="store_true", dest="nosegwit", default=False, help="Do not create segwit wallets")
     add_wallet_option(parser_gui)
     add_network_options(parser_gui)
     add_global_options(parser_gui)

electrum/plugins/trustedcoin/trustedcoin.py

@@ -545,14 +545,8 @@ class TrustedCoinPlugin(BasePlugin):
         wizard.choice_dialog(title=title, message=message, choices=choices, run_next=wizard.run)
 
     def choose_seed_type(self, wizard):
-        choices = [
-            ('create_2fa_segwit_seed', _('Segwit 2FA')),
-            ('create_2fa_seed', _('Legacy 2FA')),
-        ]
-        wizard.choose_seed_type(choices=choices)
-
-    def create_2fa_seed(self, wizard): self.create_seed(wizard, '2fa')
-    def create_2fa_segwit_seed(self, wizard): self.create_seed(wizard, '2fa_segwit')
+        seed_type = '2fa' if self.config.get('nosegwit') else '2fa_segwit'
+        self.create_seed(wizard, seed_type)
 
     def create_seed(self, wizard, seed_type):
         seed = self.make_seed(seed_type)