def change_password(self, cb):
if self.wallet.has_password():
self.protected(
_("Changing PIN code.") + '\n' + _("Enter your current PIN:"),
self._change_password, (cb, ))
else:
self._change_password(cb, None)
def scan_qr(self, on_complete):
if platform != 'android':
return
from jnius import autoclass
from android import activity
PythonActivity = autoclass('org.kivy.android.PythonActivity')
Intent = autoclass('android.content.Intent')
intent = Intent("com.google.zxing.client.android.SCAN")
intent.putExtra("SCAN_MODE", "QR_CODE_MODE")
def on_qr_result(requestCode, resultCode, intent):
if requestCode == 0:
if resultCode == -1: # RESULT_OK:
contents = intent.getStringExtra("SCAN_RESULT")
if intent.getStringExtra(
"SCAN_RESULT_FORMAT") == 'QR_CODE':
on_complete(contents)
else:
self.show_error(
"wrong format " +
intent.getStringExtra("SCAN_RESULT_FORMAT"))
activity.bind(on_activity_result=on_qr_result)
try:
PythonActivity.mActivity.startActivityForResult(intent, 0)
except:
self.show_error(
_('Could not start Barcode Scanner.') + ' ' +
_('Please install the Barcode Scanner app from ZXing'))
def _show_seed(self, label, password):
if self.wallet.has_password() and password is None:
return
keystore = self.wallet.keystore
try:
seed = keystore.get_seed(password)
passphrase = keystore.get_passphrase(password)
except:
self.show_error("Invalid PIN")
return
label.text = _('Seed') + ':\n' + seed
if passphrase:
label.text += '\n\n' + _('Passphrase') + ': ' + passphrase
def description_dialog(self, screen):
from .uix.dialogs.label_dialog import LabelDialog
text = screen.message
def callback(text):
screen.message = text
d = LabelDialog(_('Enter description'), text, callback)
d.open()
def _sign_tx(self, tx, password, on_success, on_failure):
try:
self.wallet.sign_transaction(tx, password)
except InvalidPassword:
Clock.schedule_once(lambda dt: on_failure(_("Invalid PIN")))
return
Clock.schedule_once(lambda dt: on_success(tx))
def on_ref_label(self, label, touch):
if label.touched:
label.touched = False
self.qr_dialog(label.name, label.data, True)
else:
label.touched = True
self._clipboard.copy(label.data)
Clock.schedule_once(lambda dt: self.show_info(_('Text copied to clipboard.\nTap again to display it as QR code.')))
def on_currency(self, ccy):
b = (ccy != _('None'))
self.fx.set_enabled(b)
if b:
if ccy != self.fx.get_currency():
self.fx.set_currency(ccy)
self.app.fiat_unit = ccy
Clock.schedule_once(lambda dt: self.add_exchanges())
def fx_status(self):
fx = self.app.fx
if fx.is_enabled():
source = fx.exchange.name()
ccy = fx.get_currency()
return '%s [%s]' %(ccy, source)
else:
return _('None')
def unit_dialog(self, item, dt):
if self._unit_dialog is None:
def cb(text):
self.app._set_bu(text)
item.bu = self.app.base_unit
self._unit_dialog = ChoiceDialog(_('Denomination'), list(base_units.keys()), self.app.base_unit, cb)
self._unit_dialog.open()
def coinselect_dialog(self, item, dt):
if self._coinselect_dialog is None:
choosers = sorted(coinchooser.COIN_CHOOSERS.keys())
chooser_name = coinchooser.get_name(self.config)
def cb(text):
self.config.set_key('coin_chooser', text)
item.status = text
self._coinselect_dialog = ChoiceDialog(_('Coin selection'), choosers, chooser_name, cb)
self._coinselect_dialog.open()
def language_dialog(self, item, dt):
if self._language_dialog is None:
l = self.config.get('language', 'en_UK')
def cb(key):
self.config.set_key("language", key, True)
item.lang = self.get_language_name()
self.app.language = key
self._language_dialog = ChoiceDialog(_('Language'), languages, l, cb)
self._language_dialog.open()
def broadcast(self, tx, pr=None):
def on_complete(ok, msg):
if ok:
self.show_info(_('Payment sent.'))
if self.send_screen:
self.send_screen.do_clear()
if pr:
self.wallet.invoices.set_paid(pr, tx.txid())
self.wallet.invoices.save()
self.update_tab('invoices')
else:
self.show_error(msg)
if self.network and self.network.is_connected():
self.show_info(_('Sending'))
threading.Thread(target=self._broadcast_thread, args=(tx, on_complete)).start()
else:
self.show_info(_('Cannot broadcast transaction') + ':\n' + _('Not connected'))
def on_keyboard(self, instance, key, keycode, codepoint, modifiers):
if key == 27 and self.is_exit is False:
self.is_exit = True
self.show_info(_('Press again to exit'))
return True
# override settings button
if key in (319, 282): #f1/settings button on android
#self.gui.main_gui.toggle_settings(self)
return True
def _change_password(self, cb, old_password):
if self.wallet.has_password():
if old_password is None:
return
try:
self.wallet.check_password(old_password)
except InvalidPassword:
self.show_error("Invalid PIN")
return
self.password_dialog(_('Enter new PIN'), self._change_password2, (cb, old_password,))
def show_info_bubble(self,
text=_('Hello World'),
pos=None,
duration=0,
arrow_pos='bottom_mid',
width=None,
icon='',
modal=False,
exit=False):
'''Method to show a Information Bubble
.. parameters::
text: Message to be displayed
pos: position for the bubble
duration: duration the bubble remains on screen. 0 = click to hide
width: width of the Bubble
arrow_pos: arrow position for the bubble
'''
info_bubble = self.info_bubble
if not info_bubble:
info_bubble = self.info_bubble = Factory.InfoBubble()
win = Window
if info_bubble.parent:
win.remove_widget(info_bubble if not info_bubble.modal else
info_bubble._modal_view)
if not arrow_pos:
info_bubble.show_arrow = False
else:
info_bubble.show_arrow = True
info_bubble.arrow_pos = arrow_pos
img = info_bubble.ids.img
if text == 'texture':
# icon holds a texture not a source image
# display the texture in full screen
text = ''
img.texture = icon
info_bubble.fs = True
info_bubble.show_arrow = False
img.allow_stretch = True
info_bubble.dim_background = True
info_bubble.background_image = 'atlas://gui/kivy/theming/light/card'
else:
info_bubble.fs = False
info_bubble.icon = icon
#if img.texture and img._coreimage:
# img.reload()
img.allow_stretch = False
info_bubble.dim_background = False
info_bubble.background_image = 'atlas://data/images/defaulttheme/bubble'
info_bubble.message = text
if not pos:
pos = (win.center[0], win.center[1] - (info_bubble.height / 2))
info_bubble.show(pos, duration, width, modal=modal, exit=exit)
def on_complete(ok, msg):
if ok:
self.show_info(_('Payment sent.'))
if self.send_screen:
self.send_screen.do_clear()
if pr:
self.wallet.invoices.set_paid(pr, tx.txid())
self.wallet.invoices.save()
self.update_tab('invoices')
else:
self.show_error(msg)
def choose_server_dialog(self, popup):
from .uix.dialogs.choice_dialog import ChoiceDialog
protocol = 's'
def cb2(host):
from qtum_electrum import constants
pp = servers.get(host, constants.net.DEFAULT_PORTS)
port = pp.get(protocol, '')
popup.ids.host.text = host
popup.ids.port.text = port
servers = self.network.get_servers()
ChoiceDialog(_('Choose a server'), sorted(servers), popup.ids.host.text, cb2).open()
def __init__(self, obj, action_list):
Bubble.__init__(self)
self.obj = obj
for k, v in action_list:
l = MenuItem()
l.text = _(k)
def func(f=v):
Clock.schedule_once(lambda dt: self.hide(), 0.1)
Clock.schedule_once(lambda dt: f(obj), 0.15)
l.on_release = func
self.ids.buttons.add_widget(l)
def choose_blockchain_dialog(self, dt):
from .uix.dialogs.choice_dialog import ChoiceDialog
chains = self.network.get_blockchains()
def cb(name):
for index, b in self.network.blockchains.items():
if name == self.network.get_blockchain_name(b):
self.network.follow_chain(index)
#self.block
names = [self.network.blockchains[b].get_name() for b in chains]
if len(names) >1:
ChoiceDialog(_('Choose your chain'), names, '', cb).open()
def update_status(self, *dt):
self.num_blocks = self.network.get_local_height()
if not self.wallet:
self.status = _("No Wallet")
return
if self.network is None or not self.network.is_running():
status = _("Offline")
elif self.network.is_connected():
server_height = self.network.get_server_height()
server_lag = self.network.get_local_height() - server_height
if not self.wallet.up_to_date or server_height == 0:
status = _("Synchronizing...")
elif server_lag > 1:
status = _("Server lagging (%d blocks)"%server_lag)
else:
c, u, x = self.wallet.get_balance()
text = self.format_amount(c+x+u)
status = str(text.strip() + ' ' + self.base_unit)
else:
status = _("Disconnected")
n = self.wallet.basename()
self.status = '[size=15dp]%s[/size]\n%s' %(n, status)
def get_fee_text(self, value):
if self.ids.dynfees.active:
tooltip = fee_levels[value]
if self.config.has_fee_estimates():
dynfee = self.config.dynfee(value)
tooltip += '\n' + (
self.app.format_amount_and_units(dynfee)) + '/kB'
else:
fee_rate = self.config.static_fee(value)
tooltip = self.app.format_amount_and_units(fee_rate) + '/kB'
if self.config.has_fee_estimates():
i = self.config.reverse_dynfee(fee_rate)
tooltip += '\n' + (_('low fee')
if i < 0 else 'Within %d blocks' % i)
return tooltip
def __init__(self, **kwargs):
# initialize variables
self._clipboard = Clipboard
self.info_bubble = None
self.nfcscanner = None
self.tabs = None
self.is_exit = False
self.wallet = None
App.__init__(self) #, **kwargs)
title = _('Qtum Electrum App')
self.electrum_config = config = kwargs.get('config', None)
self.language = config.get('language', 'en')
self.network = network = kwargs.get('network', None)
if self.network:
self.num_blocks = self.network.get_local_height()
self.num_nodes = len(self.network.get_interfaces())
host, port, protocol, proxy_config, auto_connect = self.network.get_parameters(
)
self.server_host = host
self.server_port = port
self.auto_connect = auto_connect
self.proxy_config = proxy_config if proxy_config else {}
self.plugins = kwargs.get('plugins', [])
self.gui_object = kwargs.get('gui_object', None)
self.daemon = self.gui_object.daemon
self.fx = self.daemon.fx
self.use_rbf = config.get('use_rbf', False)
self.use_change = config.get('use_change', True)
self.use_unconfirmed = not config.get('confirmed_only', False)
# create triggers so as to minimize updation a max of 2 times a sec
self._trigger_update_wallet = Clock.create_trigger(
self.update_wallet, .5)
self._trigger_update_status = Clock.create_trigger(
self.update_status, .5)
self._trigger_update_history = Clock.create_trigger(
self.update_history, .5)
self._trigger_update_interfaces = Clock.create_trigger(
self.update_interfaces, .5)
# cached dialogs
self._settings_dialog = None
self._password_dialog = None
def on_pr(self, pr):
if pr.verify(self.wallet.contacts):
key = self.wallet.invoices.add(pr)
if self.invoices_screen:
self.invoices_screen.update()
status = self.wallet.invoices.get_status(key)
if status == PR_PAID:
self.show_error("invoice already paid")
self.send_screen.do_clear()
else:
if pr.has_expired():
self.show_error(_('Payment request has expired'))
else:
self.switch_to('send')
self.send_screen.set_request(pr)
else:
self.show_error("invoice error:" + pr.error)
self.send_screen.do_clear()
class InfoBubble(Factory.Bubble):
'''Bubble to be used to display short Help Information'''
message = StringProperty(_('Nothing set !'))
'''Message to be displayed; defaults to "nothing set"'''
icon = StringProperty('')
''' Icon to be displayed along with the message defaults to ''
:attr:`icon` is a `StringProperty` defaults to `''`
'''
fs = BooleanProperty(False)
''' Show Bubble in half screen mode
:attr:`fs` is a `BooleanProperty` defaults to `False`
'''
modal = BooleanProperty(False)
''' Allow bubble to be hidden on touch.
:attr:`modal` is a `BooleanProperty` defauult to `False`.
'''
exit = BooleanProperty(False)
'''Indicates whether to exit app after bubble is closed.
:attr:`exit` is a `BooleanProperty` defaults to False.
'''
dim_background = BooleanProperty(False)
''' Indicates Whether to draw a background on the windows behind the bubble.
:attr:`dim` is a `BooleanProperty` defaults to `False`.
'''
def on_touch_down(self, touch):
if self.modal:
return True
self.hide()
if self.collide_point(*touch.pos):
return True
def show(self, pos, duration, width=None, modal=False, exit=False):
'''Animate the bubble into position'''
self.modal, self.exit = modal, exit
if width:
self.width = width
if self.modal:
from kivy.uix.modalview import ModalView
self._modal_view = m = ModalView(background_color=[.5, .5, .5, .2])
Window.add_widget(m)
m.add_widget(self)
else:
Window.add_widget(self)
# wait for the bubble to adjust it's size according to text then animate
Clock.schedule_once(lambda dt: self._show(pos, duration))
def _show(self, pos, duration):
def on_stop(*l):
if duration:
Clock.schedule_once(self.hide, duration + .5)
self.opacity = 0
arrow_pos = self.arrow_pos
if arrow_pos[0] in ('l', 'r'):
pos = pos[0], pos[1] - (self.height/2)
else:
pos = pos[0] - (self.width/2), pos[1]
self.limit_to = Window
anim = Factory.Animation(opacity=1, pos=pos, d=.32)
anim.bind(on_complete=on_stop)
anim.cancel_all(self)
anim.start(self)
def hide(self, now=False):
''' Auto fade out the Bubble
'''
def on_stop(*l):
if self.modal:
m = self._modal_view
m.remove_widget(self)
Window.remove_widget(m)
Window.remove_widget(self)
if self.exit:
App.get_running_app().stop()
import sys
sys.exit()
else:
App.get_running_app().is_exit = False
if now:
return on_stop()
anim = Factory.Animation(opacity=0, d=.25)
anim.bind(on_complete=on_stop)
anim.cancel_all(self)
anim.start(self)
def __init__(self, msg, callback):
Factory.Popup.__init__(self)
self.title = _('Question')
self.message = msg
self.callback = callback
def _change_password2(self, cb, old_password, new_password):
self.password_dialog(_('Confirm new PIN'), self._change_password3, (cb, old_password, new_password))
def add_currencies(self):
currencies = [_('None')] + self.fx.get_currencies(True)
my_ccy = self.fx.get_currency() if self.fx.is_enabled() else _('None')
self.ids.ccy.values = currencies
self.ids.ccy.text = my_ccy
def show_seed(self, label):
self.protected(_("Enter your PIN code in order to decrypt your seed"), self._show_seed, (label,))
def _delete_wallet(self, b):
if b:
basename = os.path.basename(self.wallet.storage.path)
self.protected(_("Enter your PIN code to confirm deletion of %s") % basename, self.__delete_wallet, ())
def delete_wallet(self):
from .uix.dialogs.question import Question
basename = os.path.basename(self.wallet.storage.path)
d = Question(_('Delete wallet?') + '\n' + basename, self._delete_wallet)
d.open()
