from functools import partial
import threading
from kivy.app import App
from kivy.clock import Clock
from kivy.lang import Builder
from kivy.properties import ObjectProperty, StringProperty, OptionProperty
from kivy.core.window import Window
from kivy.uix.button import Button
from kivy.utils import platform
from kivy.uix.widget import Widget
from kivy.core.window import Window
from kivy.clock import Clock
from kivy.utils import platform
from electrum.base_wizard import BaseWizard
from . import EventsDialog
from ...i18n import _
from .password_dialog import PasswordDialog
# global Variables
is_test = (platform == "linux")
test_seed = "time taxi field recycle tiny license olive virus report rare steel portion achieve"
test_xpub = "xpub661MyMwAqRbcEbvVtRRSjqxVnaWVUMewVzMiURAKyYratih4TtBpMypzzefmv8zUNebmNVzB3PojdC5sV2P9bDgMoo9B3SARw1MXUUfU1GL"
Builder.load_string('''
#:import Window kivy.core.window.Window
#:import _ electrum_gui.kivy.i18n._
<WizardTextInput@TextInput>
border: 4, 4, 4, 4
font_size: '15sp'
padding: '15dp', '15dp'
background_color: (1, 1, 1, 1) if self.focus else (0.454, 0.698, 0.909, 1)
foreground_color: (0.31, 0.31, 0.31, 1) if self.focus else (0.835, 0.909, 0.972, 1)
hint_text_color: self.foreground_color
background_active: 'atlas://gui/kivy/theming/light/create_act_text_active'
background_normal: 'atlas://gui/kivy/theming/light/create_act_text_active'
size_hint_y: None
height: '48sp'
<WizardButton@Button>:
root: None
size_hint: 1, None
height: '48sp'
on_press: if self.root: self.root.dispatch('on_press', self)
on_release: if self.root: self.root.dispatch('on_release', self)
<BigLabel@Label>
color: .854, .925, .984, 1
size_hint: 1, None
text_size: self.width, None
height: self.texture_size[1]
bold: True
<-WizardDialog>
text_color: .854, .925, .984, 1
value: ''
#auto_dismiss: False
size_hint: None, None
canvas.before:
Color:
rgba: 0, 0, 0, .9
Rectangle:
size: Window.size
Color:
rgba: .239, .588, .882, 1
Rectangle:
size: Window.size
crcontent: crcontent
# add electrum icon
BoxLayout:
orientation: 'vertical' if self.width < self.height else 'horizontal'
padding:
min(dp(27), self.width/32), min(dp(27), self.height/32),\
min(dp(27), self.width/32), min(dp(27), self.height/32)
spacing: '10dp'
GridLayout:
id: grid_logo
cols: 1
pos_hint: {'center_y': .5}
size_hint: 1, None
height: self.minimum_height
Label:
color: root.text_color
text: 'ELECTRUM'
size_hint: 1, None
height: self.texture_size[1] if self.opacity else 0
font_size: '33sp'
font_name: 'gui/kivy/data/fonts/tron/Tr2n.ttf'
GridLayout:
cols: 1
id: crcontent
spacing: '1dp'
Widget:
size_hint: 1, 0.3
GridLayout:
rows: 1
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
WizardButton:
id: back
text: _('Back')
root: root
WizardButton:
id: next
text: _('Next')
root: root
disabled: root.value == ''
<WizardMultisigDialog>
value: 'next'
Widget
size_hint: 1, 1
Label:
color: root.text_color
size_hint: 1, None
text_size: self.width, None
height: self.texture_size[1]
text: _("Choose the number of signatures needed to unlock funds in your wallet")
Widget
size_hint: 1, 1
GridLayout:
orientation: 'vertical'
cols: 2
spacing: '14dp'
size_hint: 1, 1
height: self.minimum_height
Label:
color: root.text_color
text: _('From %d cosigners')%n.value
Slider:
id: n
range: 2, 5
step: 1
value: 2
Label:
color: root.text_color
text: _('Require %d signatures')%m.value
Slider:
id: m
range: 1, n.value
step: 1
value: 2
<WizardChoiceDialog>
message : ''
Widget:
size_hint: 1, 1
Label:
color: root.text_color
size_hint: 1, None
text_size: self.width, None
height: self.texture_size[1]
text: root.message
Widget
size_hint: 1, 1
GridLayout:
row_default_height: '48dp'
orientation: 'vertical'
id: choices
cols: 1
spacing: '14dp'
size_hint: 1, None
<MButton@Button>:
size_hint: 1, None
height: '33dp'
on_release:
self.parent.update_amount(self.text)
<WordButton@Button>:
size_hint: None, None
padding: '5dp', '5dp'
text_size: None, self.height
width: self.texture_size[0]
height: '30dp'
on_release:
self.parent.new_word(self.text)
<SeedButton@Button>:
height: dp(100)
border: 4, 4, 4, 4
halign: 'justify'
valign: 'top'
font_size: '18dp'
text_size: self.width - dp(24), self.height - dp(12)
color: .1, .1, .1, 1
background_normal: 'atlas://gui/kivy/theming/light/white_bg_round_top'
background_down: self.background_normal
size_hint_y: None
<SeedLabel@Label>:
font_size: '12sp'
text_size: self.width, None
size_hint: 1, None
height: self.texture_size[1]
halign: 'justify'
valign: 'middle'
border: 4, 4, 4, 4
<RestoreSeedDialog>
message: ''
word: ''
BigLabel:
text: "ENTER YOUR SEED PHRASE"
GridLayout
cols: 1
padding: 0, '12dp'
orientation: 'vertical'
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
SeedButton:
id: text_input_seed
text: ''
on_text: Clock.schedule_once(root.on_text)
on_release: root.options_dialog()
SeedLabel:
text: root.message
BoxLayout:
id: suggestions
height: '35dp'
size_hint: 1, None
new_word: root.on_word
BoxLayout:
id: line1
update_amount: root.update_text
size_hint: 1, None
height: '30dp'
MButton:
text: 'Q'
MButton:
text: 'W'
MButton:
text: 'E'
MButton:
text: 'R'
MButton:
text: 'T'
MButton:
text: 'Y'
MButton:
text: 'U'
MButton:
text: 'I'
MButton:
text: 'O'
MButton:
text: 'P'
BoxLayout:
id: line2
update_amount: root.update_text
size_hint: 1, None
height: '30dp'
Widget:
size_hint: 0.5, None
height: '33dp'
MButton:
text: 'A'
MButton:
text: 'S'
MButton:
text: 'D'
MButton:
text: 'F'
MButton:
text: 'G'
MButton:
text: 'H'
MButton:
text: 'J'
MButton:
text: 'K'
MButton:
text: 'L'
Widget:
size_hint: 0.5, None
height: '33dp'
BoxLayout:
id: line3
update_amount: root.update_text
size_hint: 1, None
height: '30dp'
Widget:
size_hint: 1, None
MButton:
text: 'Z'
MButton:
text: 'X'
MButton:
text: 'C'
MButton:
text: 'V'
MButton:
text: 'B'
MButton:
text: 'N'
MButton:
text: 'M'
MButton:
text: ' '
MButton:
text: '<'
<AddXpubDialog>
title: ''
message: ''
BigLabel:
text: root.title
GridLayout
cols: 1
padding: 0, '12dp'
orientation: 'vertical'
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
SeedButton:
id: text_input
text: ''
on_text: Clock.schedule_once(root.check_text)
SeedLabel:
text: root.message
GridLayout
rows: 1
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
IconButton:
id: scan
height: '48sp'
on_release: root.scan_xpub()
icon: 'atlas://gui/kivy/theming/light/camera'
size_hint: 1, None
WizardButton:
text: _('Paste')
on_release: root.do_paste()
WizardButton:
text: _('Clear')
on_release: root.do_clear()
<ShowXpubDialog>
xpub: ''
message: _('Here is your master public key. Share it with your cosigners.')
BigLabel:
text: "MASTER PUBLIC KEY"
GridLayout
cols: 1
padding: 0, '12dp'
orientation: 'vertical'
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
SeedButton:
id: text_input
text: root.xpub
SeedLabel:
text: root.message
GridLayout
rows: 1
spacing: '12dp'
size_hint: 1, None
height: self.minimum_height
WizardButton:
text: _('QR code')
on_release: root.do_qr()
WizardButton:
text: _('Copy')
on_release: root.do_copy()
WizardButton:
text: _('Share')
on_release: root.do_share()
<ShowSeedDialog>
spacing: '12dp'
value: 'next'
BigLabel:
text: "PLEASE WRITE DOWN YOUR SEED PHRASE"
GridLayout:
id: grid
cols: 1
pos_hint: {'center_y': .5}
size_hint_y: None
height: self.minimum_height
orientation: 'vertical'
spacing: '12dp'
SeedButton:
text: root.seed_text
on_release: root.options_dialog()
SeedLabel:
text: root.message
<LineDialog>
BigLabel:
text: root.title
SeedLabel:
text: root.message
TextInput:
id: passphrase_input
multiline: False
size_hint: 1, None
height: '27dp'
SeedLabel:
text: root.warning
''')
class WizardDialog(EventsDialog):
''' Abstract dialog to be used as the base for all Create Account Dialogs
'''
crcontent = ObjectProperty(None)
def __init__(self, wizard, **kwargs):
super(WizardDialog, self).__init__()
self.wizard = wizard
self.ids.back.disabled = not wizard.can_go_back()
self.app = App.get_running_app()
self.run_next = kwargs['run_next']
_trigger_size_dialog = Clock.create_trigger(self._size_dialog)
Window.bind(size=_trigger_size_dialog,
rotation=_trigger_size_dialog)
_trigger_size_dialog()
self._on_release = False
def _size_dialog(self, dt):
app = App.get_running_app()
if app.ui_mode[0] == 'p':
self.size = Window.size
else:
#tablet
if app.orientation[0] == 'p':
#portrait
self.size = Window.size[0]/1.67, Window.size[1]/1.4
else:
self.size = Window.size[0]/2.5, Window.size[1]
def add_widget(self, widget, index=0):
if not self.crcontent:
super(WizardDialog, self).add_widget(widget)
else:
self.crcontent.add_widget(widget, index=index)
def on_dismiss(self):
app = App.get_running_app()
if app.wallet is None and not self._on_release:
app.stop()
def get_params(self, button):
return (None,)
def on_release(self, button):
self._on_release = True
self.close()
if not button:
self.parent.dispatch('on_wizard_complete', None)
return
if button is self.ids.back:
self.wizard.go_back()
return
params = self.get_params(button)
self.run_next(*params)
class WizardMultisigDialog(WizardDialog):
def get_params(self, button):
m = self.ids.m.value
n = self.ids.n.value
return m, n
class WizardChoiceDialog(WizardDialog):
def __init__(self, wizard, **kwargs):
super(WizardChoiceDialog, self).__init__(wizard, **kwargs)
self.message = kwargs.get('message', '')
choices = kwargs.get('choices', [])
layout = self.ids.choices
layout.bind(minimum_height=layout.setter('height'))
for action, text in choices:
l = WizardButton(text=text)
l.action = action
l.height = '48dp'
l.root = self
layout.add_widget(l)
def on_parent(self, instance, value):
if value:
app = App.get_running_app()
self._back = _back = partial(app.dispatch, 'on_back')
def get_params(self, button):
return (button.action,)
class LineDialog(WizardDialog):
title = StringProperty('')
message = StringProperty('')
warning = StringProperty('')
def __init__(self, wizard, **kwargs):
WizardDialog.__init__(self, wizard, **kwargs)
self.ids.next.disabled = False
def get_params(self, b):
return (self.ids.passphrase_input.text,)
class ShowSeedDialog(WizardDialog):
seed_text = StringProperty('')
message = _("If you forget your PIN or lose your device, your seed phrase will be the only way to recover your funds.")
ext = False
def __init__(self, wizard, **kwargs):
super(ShowSeedDialog, self).__init__(wizard, **kwargs)
self.seed_text = kwargs['seed_text']
def on_parent(self, instance, value):
if value:
app = App.get_running_app()
self._back = _back = partial(self.ids.back.dispatch, 'on_release')
def options_dialog(self):
from .seed_options import SeedOptionsDialog
def callback(status):
self.ext = status
d = SeedOptionsDialog(self.ext, callback)
d.open()
def get_params(self, b):
return (self.ext,)
class WordButton(Button):
pass
class WizardButton(Button):
pass
class RestoreSeedDialog(WizardDialog):
def __init__(self, wizard, **kwargs):
super(RestoreSeedDialog, self).__init__(wizard, **kwargs)
self._test = kwargs['test']
from electrum.mnemonic import Mnemonic
from electrum.old_mnemonic import words as old_wordlist
self.words = set(Mnemonic('en').wordlist).union(set(old_wordlist))
self.ids.text_input_seed.text = test_seed if is_test else ''
self.message = _('Please type your seed phrase using the virtual keyboard.')
self.title = _('Enter Seed')
self.ext = False
def options_dialog(self):
from .seed_options import SeedOptionsDialog
def callback(status):
self.ext = status
d = SeedOptionsDialog(self.ext, callback)
d.open()
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()))
text = self.ids.text_input_seed.text
if not text:
last_word = ''
elif text[-1] == ' ':
last_word = ''
else:
last_word = text.split(' ')[-1]
enable_space = False
self.ids.suggestions.clear_widgets()
suggestions = [x for x in self.get_suggestions(last_word)]
if last_word in suggestions:
b = WordButton(text=last_word)
self.ids.suggestions.add_widget(b)
enable_space = True
for w in suggestions:
if w != last_word and len(suggestions) < 10:
b = WordButton(text=w)
self.ids.suggestions.add_widget(b)
i = len(last_word)
p = set()
for x in suggestions:
if len(x)>i: p.add(x[i])
for line in [self.ids.line1, self.ids.line2, self.ids.line3]:
for c in line.children:
if isinstance(c, Button):
if c.text in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
c.disabled = (c.text.lower() not in p) and last_word
elif c.text == ' ':
c.disabled = not enable_space
def on_word(self, w):
text = self.get_text()
words = text.split(' ')
words[-1] = w
text = ' '.join(words)
self.ids.text_input_seed.text = text + ' '
self.ids.suggestions.clear_widgets()
def get_text(self):
ti = self.ids.text_input_seed
return ' '.join(ti.text.strip().split())
def update_text(self, c):
c = c.lower()
text = self.ids.text_input_seed.text
if c == '<':
text = text[:-1]
else:
text += c
self.ids.text_input_seed.text = text
def on_parent(self, instance, value):
if value:
tis = self.ids.text_input_seed
tis.focus = True
#tis._keyboard.bind(on_key_down=self.on_key_down)
self._back = _back = partial(self.ids.back.dispatch,
'on_release')
app = App.get_running_app()
def on_key_down(self, keyboard, keycode, key, modifiers):
if keycode[0] in (13, 271):
self.on_enter()
return True
def on_enter(self):
#self._remove_keyboard()
# press next
next = self.ids.next
if not next.disabled:
next.dispatch('on_release')
def _remove_keyboard(self):
tis = self.ids.text_input_seed
if tis._keyboard:
tis._keyboard.unbind(on_key_down=self.on_key_down)
tis.focus = False
def get_params(self, b):
return (self.get_text(), False, self.ext)
class ConfirmSeedDialog(RestoreSeedDialog):
def get_params(self, b):
return (self.get_text(),)
def options_dialog(self):
pass
class ShowXpubDialog(WizardDialog):
def __init__(self, wizard, **kwargs):
WizardDialog.__init__(self, wizard, **kwargs)
self.xpub = kwargs['xpub']
self.ids.next.disabled = False
def do_copy(self):
self.app._clipboard.copy(self.xpub)
def do_share(self):
self.app.do_share(self.xpub, _("Master Public Key"))
def do_qr(self):
from .qr_dialog import QRDialog
popup = QRDialog(_("Master Public Key"), self.xpub, True)
popup.open()
class AddXpubDialog(WizardDialog):
def __init__(self, wizard, **kwargs):
WizardDialog.__init__(self, wizard, **kwargs)
self.is_valid = kwargs['is_valid']
self.title = kwargs['title']
self.message = kwargs['message']
def check_text(self, dt):
self.ids.next.disabled = not bool(self.is_valid(self.get_text()))
def get_text(self):
ti = self.ids.text_input
return ti.text.strip()
def get_params(self, button):
return (self.get_text(),)
def scan_xpub(self):
def on_complete(text):
self.ids.text_input.text = text
self.app.scan_qr(on_complete)
def do_paste(self):
self.ids.text_input.text = test_xpub if is_test else self.app._clipboard.paste()
def do_clear(self):
self.ids.text_input.text = ''
class InstallWizard(BaseWizard, Widget):
'''
events::
`on_wizard_complete` Fired when the wizard is done creating/ restoring
wallet/s.
'''
__events__ = ('on_wizard_complete', )
def on_wizard_complete(self, wallet):
"""overriden by main_window"""
pass
def waiting_dialog(self, task, msg):
'''Perform a blocking task in the background by running the passed
method in a thread.
'''
def target():
# run your threaded function
try:
task()
except Exception as err:
self.show_error(str(err))
# on completion hide message
Clock.schedule_once(lambda dt: app.info_bubble.hide(now=True), -1)
app = App.get_running_app()
app.show_info_bubble(
text=msg, icon='atlas://gui/kivy/theming/light/important',
pos=Window.center, width='200sp', arrow_pos=None, modal=True)
t = threading.Thread(target = target)
t.start()
def terminate(self, **kwargs):
self.dispatch('on_wizard_complete', self.wallet)
def choice_dialog(self, **kwargs):
choices = kwargs['choices']
if len(choices) > 1:
WizardChoiceDialog(self, **kwargs).open()
else:
f = kwargs['run_next']
f(choices[0][0])
def multisig_dialog(self, **kwargs): WizardMultisigDialog(self, **kwargs).open()
def show_seed_dialog(self, **kwargs): ShowSeedDialog(self, **kwargs).open()
def line_dialog(self, **kwargs): LineDialog(self, **kwargs).open()
def confirm_seed_dialog(self, **kwargs):
kwargs['title'] = _('Confirm Seed')
kwargs['message'] = _('Please retype your seed phrase, to confirm that you properly saved it')
ConfirmSeedDialog(self, **kwargs).open()
def restore_seed_dialog(self, **kwargs):
RestoreSeedDialog(self, **kwargs).open()
def add_xpub_dialog(self, **kwargs):
kwargs['message'] += ' ' + _('Use the camera button to scan a QR code.')
AddXpubDialog(self, **kwargs).open()
def add_cosigner_dialog(self, **kwargs):
kwargs['title'] = _("Add Cosigner") + " %d"%kwargs['index']
kwargs['message'] = _('Please paste your cosigners master public key, or scan it using the camera button.')
AddXpubDialog(self, **kwargs).open()
def show_xpub_dialog(self, **kwargs): ShowXpubDialog(self, **kwargs).open()
def show_error(self, msg):
app = App.get_running_app()
Clock.schedule_once(lambda dt: app.show_error(msg))
def password_dialog(self, message, callback):
popup = PasswordDialog()
popup.init(message, callback)
popup.open()
def request_password(self, run_next):
def callback(pin):
if pin:
self.run('confirm_password', pin, run_next)
else:
run_next(None, None)
self.password_dialog('Choose a PIN code', callback)
def confirm_password(self, pin, run_next):
def callback(conf):
if conf == pin:
run_next(pin, False)
else:
self.show_error(_('PIN mismatch'))
self.run('request_password', run_next)
self.password_dialog('Confirm your PIN code', callback)
def action_dialog(self, action, run_next):
f = getattr(self, action)
f()