def do_new(self):
addr = self.get_new_address()
if not addr:
self.app.show_info(_('Please use the existing requests first.'))
else:
self.save_request()
self.app.show_info(_('New request added to your list.'))
def __init__(self, wizard, **kwargs):
super(RestoreSeedDialog, self).__init__(wizard, **kwargs)
self._test = kwargs['test']
from electrum_ulm.mnemonic import Mnemonic
from electrum_ulm.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 _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 update(self):
if not self.screen.address:
self.get_new_address()
else:
status = self.app.wallet.get_request_status(self.screen.address)
self.screen.status = _(
'Payment received') if status == PR_PAID else ''
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 __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
super(ElectrumWindow, self).__init__(**kwargs)
title = _('Electrum-ULM App')
self.electrum_config = config = kwargs.get('config', None)
self.language = config.get('language', 'en')
self.network = network = kwargs.get('network', None)
self.plugins = kwargs.get('plugins', [])
self.gui_object = kwargs.get('gui_object', None)
self.daemon = self.gui_object.daemon
self.fx = self.daemon.fx
# 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)
# cached dialogs
self._settings_dialog = None
self._password_dialog = None
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 get_card(self, tx_hash, height, conf, timestamp, value, balance):
status, status_str = self.app.wallet.get_tx_status(
tx_hash, height, conf, timestamp)
icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status]
label = self.app.wallet.get_label(tx_hash) if tx_hash else _(
'Pruned transaction outputs')
date = timestamp_to_datetime(timestamp)
ri = self.cards.get(tx_hash)
if ri is None:
ri = Factory.HistoryItem()
ri.screen = self
ri.tx_hash = tx_hash
self.cards[tx_hash] = ri
ri.icon = icon
ri.date = status_str
ri.message = label
ri.value = value or 0
ri.amount = self.app.format_amount(value,
True) if value is not None else '--'
ri.confirmations = conf
if self.app.fiat_unit and date:
rate = self.app.fx.history_rate(date)
if rate:
s = self.app.fx.value_str(value, rate)
ri.quote_text = '' if s is None else s + ' ' + self.app.fiat_unit
return ri
def get_card(self, req):
address = req['address']
timestamp = req.get('time', 0)
amount = req.get('amount')
expiration = req.get('exp', None)
status = req.get('status')
signature = req.get('sig')
ci = self.cards.get(address)
if ci is None:
ci = Factory.RequestItem()
ci.screen = self
ci.address = address
self.cards[address] = ci
ci.memo = self.app.wallet.get_label(address)
if amount:
status = req.get('status')
ci.status = request_text[status]
else:
received = self.app.wallet.get_addr_received(address)
ci.status = self.app.format_amount_and_units(amount)
ci.icon = pr_icon[status]
ci.amount = self.app.format_amount_and_units(amount) if amount else _(
'No Amount')
ci.date = format_time(timestamp)
return ci
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 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 do_delete(self, obj):
from dialogs.question import Question
def cb(result):
if result:
self.app.wallet.invoices.remove(obj.key)
self.app.update_tab('invoices')
d = Question(_('Delete invoice?'), cb)
d.open()
def label_dialog(self, obj):
from dialogs.label_dialog import LabelDialog
key = obj.tx_hash
text = self.app.wallet.get_label(key)
def callback(text):
self.app.wallet.set_label(key, text)
self.update()
d = LabelDialog(_('Enter Transaction Label'), text, callback)
d.open()
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 do_delete(self, obj):
from dialogs.question import Question
def cb(result):
if result:
self.app.wallet.remove_payment_request(
obj.address, self.app.electrum_config)
self.update()
d = Question(_('Delete request?'), cb)
d.open()
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'),
base_units.keys(),
self.app.base_unit, cb)
self._unit_dialog.open()
def rbf_dialog(self, label, dt):
if self._rbf_dialog is None:
from checkbox_dialog import CheckBoxDialog
def cb(x):
self.config.set_key('use_rbf', x, True)
label.status = self.rbf_status()
msg = [
_('If you check this box, your transactions will be marked as non-final,'
),
_('and you will have the possiblity, while they are unconfirmed, to replace them with transactions that pays higher fees.'
),
_('Note that some merchants do not accept non-final transactions until they are confirmed.'
)
]
fullname = _('Replace by fee')
self._rbf_dialog = CheckBoxDialog(
fullname, ' '.join(msg), self.config.get('use_rbf', False), cb)
self._rbf_dialog.open()
def update_status(self, *dt):
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 = _("Not connected")
n = self.wallet.basename()
self.status = '[size=15dp]%s[/size]\n%s' %(n, status)
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 do_send(self):
if self.screen.is_pr:
if self.payment_request.has_expired():
self.app.show_error(_('Payment request has expired'))
return
outputs = self.payment_request.get_outputs()
else:
address = str(self.screen.address)
if not address:
self.app.show_error(
_('Recipient not specified.') + ' ' +
_('Please scan a Unlimitedcoin address or a payment request'
))
return
if not bitcoin.is_address(address):
self.app.show_error(
_('Invalid Unlimitedcoin Address') + ':\n' + address)
return
try:
amount = self.app.get_amount(self.screen.amount)
except:
self.app.show_error(
_('Invalid amount') + ':\n' + self.screen.amount)
return
outputs = [(bitcoin.TYPE_ADDRESS, address, amount)]
message = unicode(self.screen.message)
amount = sum(map(lambda x: x[2], outputs))
if self.app.electrum_config.get('use_rbf'):
from dialogs.question import Question
d = Question(_('Should this transaction be replaceable?'),
lambda b: self._do_send(amount, message, outputs, b))
d.open()
else:
self._do_send(amount, message, outputs, False)
def _do_send(self, amount, message, outputs, rbf):
# make unsigned transaction
coins = self.app.wallet.get_spendable_coins()
config = self.app.electrum_config
try:
tx = self.app.wallet.make_unsigned_transaction(
coins, outputs, config, None)
except NotEnoughFunds:
self.app.show_error(_("Not enough funds"))
return
except Exception as e:
traceback.print_exc(file=sys.stdout)
self.app.show_error(str(e))
return
if rbf:
tx.set_rbf(True)
fee = tx.get_fee()
msg = [
_("Amount to be sent") + ": " +
self.app.format_amount_and_units(amount),
_("Mining fee") + ": " + self.app.format_amount_and_units(fee),
]
if fee >= config.get('confirm_fee', 1000000):
msg.append(
_('Warning') + ': ' +
_("The fee for this transaction seems unusually high."))
msg.append(_("Enter your PIN code to proceed"))
self.app.protected('\n'.join(msg), self.send_tx, (tx, message))
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 update(self):
self.menu_actions = [('Show', self.do_show), ('Details', self.do_view),
('Delete', self.do_delete)]
requests_list = self.screen.ids.requests_container
requests_list.clear_widgets()
_list = self.app.wallet.get_sorted_requests(
self.app.electrum_config) if self.app.wallet else []
for req in _list:
ci = self.get_card(req)
requests_list.add_widget(ci)
if not _list:
msg = _('This screen shows the list of payment requests you made.')
requests_list.add_widget(EmptyLabel(text=msg))
def update(self):
format_amount = self.app.format_amount_and_units
tx_hash, self.status_str, self.description, self.can_broadcast, self.can_rbf, amount, fee, height, conf, timestamp, exp_n = self.wallet.get_tx_info(self.tx)
self.tx_hash = tx_hash or ''
if timestamp:
self.date_str = datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
elif exp_n:
self.date_str = _('Within %d blocks') % exp_n if exp_n > 0 else _('unknown (low fee)')
else:
self.date_str = ''
if amount is None:
self.amount_str = _("Transaction unrelated to your wallet")
elif amount > 0:
self.is_mine = False
self.amount_str = format_amount(amount)
else:
self.is_mine = True
self.amount_str = format_amount(-amount)
self.fee_str = format_amount(fee) if fee is not None else _('unknown')
self.can_sign = self.wallet.can_sign(self.tx)
self.ids.output_list.update(self.tx.outputs())
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'))
