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427 lines
13 KiB
427 lines
13 KiB
from weakref import ref
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from decimal import Decimal
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import re
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import datetime
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import traceback, sys
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import threading
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from kivy.app import App
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from kivy.cache import Cache
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from kivy.clock import Clock
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from kivy.compat import string_types
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from kivy.properties import (ObjectProperty, DictProperty, NumericProperty,
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ListProperty, StringProperty)
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from kivy.lang import Builder
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from kivy.factory import Factory
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from electrum.i18n import _
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from electrum.util import profiler, parse_URI
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from electrum import bitcoin
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from electrum.util import timestamp_to_datetime
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from electrum.plugins import run_hook
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class CScreen(Factory.Screen):
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__events__ = ('on_activate', 'on_deactivate', 'on_enter', 'on_leave')
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action_view = ObjectProperty(None)
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loaded = False
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kvname = None
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app = App.get_running_app()
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def _change_action_view(self):
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app = App.get_running_app()
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action_bar = app.root.manager.current_screen.ids.action_bar
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_action_view = self.action_view
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if (not _action_view) or _action_view.parent:
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return
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action_bar.clear_widgets()
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action_bar.add_widget(_action_view)
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def on_enter(self):
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# FIXME: use a proper event don't use animation time of screen
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Clock.schedule_once(lambda dt: self.dispatch('on_activate'), .25)
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pass
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def update(self):
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pass
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@profiler
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def load_screen(self):
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self.screen = Builder.load_file('gui/kivy/uix/ui_screens/' + self.kvname + '.kv')
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self.add_widget(self.screen)
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self.loaded = True
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self.update()
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setattr(self.app, self.kvname + '_screen', self)
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def on_activate(self):
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if self.kvname and not self.loaded:
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self.load_screen()
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#Clock.schedule_once(lambda dt: self._change_action_view())
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def on_leave(self):
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self.dispatch('on_deactivate')
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def on_deactivate(self):
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pass
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#Clock.schedule_once(lambda dt: self._change_action_view())
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class HistoryScreen(CScreen):
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tab = ObjectProperty(None)
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kvname = 'history'
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def __init__(self, **kwargs):
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self.ra_dialog = None
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super(HistoryScreen, self).__init__(**kwargs)
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def get_history_rate(self, btc_balance, timestamp):
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date = timestamp_to_datetime(timestamp)
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return run_hook('historical_value_str', btc_balance, date)
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def parse_history(self, items):
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for item in items:
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tx_hash, conf, value, timestamp, balance = item
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time_str = _("unknown")
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if conf > 0:
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try:
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time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
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except Exception:
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time_str = _("error")
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if conf == -1:
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time_str = _('unverified')
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icon = "atlas://gui/kivy/theming/light/close"
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elif conf == 0:
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time_str = _('pending')
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icon = "atlas://gui/kivy/theming/light/unconfirmed"
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elif conf < 6:
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time_str = '' # add new to fix error when conf < 0
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conf = max(1, conf)
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icon = "atlas://gui/kivy/theming/light/clock{}".format(conf)
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else:
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icon = "atlas://gui/kivy/theming/light/confirmed"
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if tx_hash:
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label, is_default_label = self.app.wallet.get_label(tx_hash)
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else:
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label = _('Pruned transaction outputs')
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is_default_label = False
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quote_currency = 'USD'
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rate = self.get_history_rate(value, timestamp)
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quote_text = "..." if rate is None else "{0:.3} {1}".format(rate, quote_currency)
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yield (conf, icon, time_str, label, value, tx_hash, quote_text)
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def update(self, see_all=False):
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if self.app.wallet is None:
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return
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history_card = self.screen.ids.recent_activity_card
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history = self.parse_history(reversed(
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self.app.wallet.get_history(self.app.current_account)))
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# repopulate History Card
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last_widget = history_card.ids.content.children[-1]
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history_card.ids.content.clear_widgets()
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history_add = history_card.ids.content.add_widget
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history_add(last_widget)
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RecentActivityItem = Factory.RecentActivityItem
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count = 0
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for item in history:
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count += 1
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conf, icon, date_time, address, value, tx, quote_text = item
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ri = RecentActivityItem()
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ri.icon = icon
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ri.date = date_time
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ri.address = address
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ri.value = value
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ri.quote_text = quote_text
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ri.confirmations = conf
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ri.tx_hash = tx
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history_add(ri)
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if count == 8 and not see_all:
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break
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class ScreenAddress(CScreen):
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'''This is the dialog that shows a carousel of the currently available
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addresses.
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'''
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labels = DictProperty({})
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''' A precached list of address labels.
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'''
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tab = ObjectProperty(None)
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''' The tab associated With this Carousel
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'''
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class ScreenPassword(Factory.Screen):
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__events__ = ('on_release', 'on_deactivate', 'on_activate')
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def on_activate(self):
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app = App.get_running_app()
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action_bar = app.root.main_screen.ids.action_bar
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action_bar.add_widget(self._action_view)
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def on_deactivate(self):
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self.ids.password.text = ''
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def on_release(self, *args):
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pass
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class SendScreen(CScreen):
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kvname = 'send'
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def set_URI(self, uri):
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print "set uri", uri
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self.screen.address = uri.get('address', '')
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self.screen.message = uri.get('message', '')
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amount = uri.get('amount')
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if amount:
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amount_str = str( Decimal(amount) / pow(10, self.app.decimal_point()))
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self.screen.amount = amount_str + ' ' + self.app.base_unit
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def do_clear(self):
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self.screen.amount = ''
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self.screen.message = ''
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self.screen.address = ''
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def do_paste(self):
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contents = unicode(self.app._clipboard.get())
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try:
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uri = parse_URI(contents)
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except:
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self.app.show_info("Invalid URI", contents)
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return
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self.set_URI(uri)
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def do_send(self):
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address = str(self.screen.address)
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if not bitcoin.is_address(address):
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self.app.show_error(_('Invalid Bitcoin Address') + ':\n' + address)
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return
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try:
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amount = self.app.get_amount(self.screen.amount)
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except:
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self.app.show_error(_('Invalid amount') + ':\n' + self.screen.amount)
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return
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message = unicode(self.screen.message)
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fee = None
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outputs = [('address', address, amount)]
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self.app.protected(self.send_tx, (outputs, fee, message))
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def send_tx(self, *args):
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self.app.show_info("Sending...")
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threading.Thread(target=self.send_tx_thread, args=args).start()
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def send_tx_thread(self, outputs, fee, label, password):
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# make unsigned transaction
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coins = self.app.wallet.get_spendable_coins()
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try:
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tx = self.app.wallet.make_unsigned_transaction(coins, outputs, self.app.electrum_config, fee)
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except Exception as e:
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traceback.print_exc(file=sys.stdout)
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self.app.show_error(str(e))
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return
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# sign transaction
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try:
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self.app.wallet.sign_transaction(tx, password)
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except Exception as e:
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traceback.print_exc(file=sys.stdout)
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self.app.show_error(str(e))
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return
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# broadcast
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ok, txid = self.app.wallet.sendtx(tx)
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self.app.show_info(txid)
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class ReceiveScreen(CScreen):
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kvname = 'receive'
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def update(self):
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self.screen.address = self.app.wallet.get_unused_address(None)
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def amount_callback(self, popup):
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amount_label = self.screen.ids.get('amount')
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amount_label.text = popup.ids.amount_label.text
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self.update_qr()
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def get_URI(self):
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from electrum.util import create_URI
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amount = self.screen.amount
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if amount:
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a, u = self.screen.amount.split()
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assert u == self.app.base_unit
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amount = Decimal(a) * pow(10, self.app.decimal_point())
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return create_URI(self.screen.address, amount, self.screen.message)
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@profiler
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def update_qr(self):
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uri = self.get_URI()
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qr = self.screen.ids.get('qr')
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qr.set_data(uri)
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def do_copy(self):
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uri = self.get_URI()
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self.app._clipboard.put(uri, 'text/plain')
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def do_clear(self):
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self.screen.amount = ''
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self.screen.message = ''
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class ContactsScreen(CScreen):
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kvname = 'contacts'
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def add_new_contact(self):
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dlg = Cache.get('electrum_widgets', 'NewContactDialog')
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if not dlg:
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dlg = NewContactDialog()
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Cache.append('electrum_widgets', 'NewContactDialog', dlg)
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dlg.open()
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def update(self):
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contact_list = self.screen.ids.contact_container
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contact_list.clear_widgets()
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child = -1
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children = contact_list.children
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for key in sorted(self.app.contacts.keys()):
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_type, value = self.app.contacts[key]
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child += 1
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try:
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if children[child].label == value:
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continue
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except IndexError:
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pass
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ci = Factory.ContactItem()
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ci.address = key
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ci.label = value
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contact_list.add_widget(ci)
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class CSpinner(Factory.Spinner):
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'''CustomDropDown that allows fading out the dropdown
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'''
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def _update_dropdown(self, *largs):
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dp = self._dropdown
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cls = self.option_cls
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if isinstance(cls, string_types):
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cls = Factory.get(cls)
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dp.clear_widgets()
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def do_release(option):
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Clock.schedule_once(lambda dt: dp.select(option.text), .25)
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for value in self.values:
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item = cls(text=value)
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item.bind(on_release=do_release)
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dp.add_widget(item)
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class TabbedCarousel(Factory.TabbedPanel):
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'''Custom TabbedPanel using a carousel used in the Main Screen
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'''
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carousel = ObjectProperty(None)
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def animate_tab_to_center(self, value):
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scrlv = self._tab_strip.parent
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if not scrlv:
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return
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idx = self.tab_list.index(value)
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if idx == 0:
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scroll_x = 1
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elif idx == len(self.tab_list) - 1:
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scroll_x = 0
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else:
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self_center_x = scrlv.center_x
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vcenter_x = value.center_x
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diff_x = (self_center_x - vcenter_x)
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try:
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scroll_x = scrlv.scroll_x - (diff_x / scrlv.width)
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except ZeroDivisionError:
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pass
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mation = Factory.Animation(scroll_x=scroll_x, d=.25)
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mation.cancel_all(scrlv)
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mation.start(scrlv)
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def on_current_tab(self, instance, value):
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if value.text == 'default_tab':
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return
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self.animate_tab_to_center(value)
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def on_index(self, instance, value):
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current_slide = instance.current_slide
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if not hasattr(current_slide, 'tab'):
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return
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tab = current_slide.tab
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ct = self.current_tab
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try:
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if ct.text != tab.text:
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carousel = self.carousel
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carousel.slides[ct.slide].dispatch('on_leave')
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self.switch_to(tab)
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carousel.slides[tab.slide].dispatch('on_enter')
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except AttributeError:
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current_slide.dispatch('on_enter')
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def switch_to(self, header):
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# we have to replace the functionality of the original switch_to
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if not header:
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return
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if not hasattr(header, 'slide'):
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header.content = self.carousel
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super(TabbedCarousel, self).switch_to(header)
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try:
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tab = self.tab_list[-1]
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except IndexError:
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return
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self._current_tab = tab
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tab.state = 'down'
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return
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carousel = self.carousel
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self.current_tab.state = "normal"
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header.state = 'down'
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self._current_tab = header
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# set the carousel to load the appropriate slide
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# saved in the screen attribute of the tab head
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slide = carousel.slides[header.slide]
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if carousel.current_slide != slide:
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carousel.current_slide.dispatch('on_leave')
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carousel.load_slide(slide)
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slide.dispatch('on_enter')
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def add_widget(self, widget, index=0):
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if isinstance(widget, Factory.CScreen):
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self.carousel.add_widget(widget)
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return
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super(TabbedCarousel, self).add_widget(widget, index=index)
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class ELTextInput(Factory.TextInput):
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'''Custom TextInput used in main screens for numeric entry
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'''
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def insert_text(self, substring, from_undo=False):
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if not from_undo:
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if self.input_type == 'numbers':
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numeric_list = map(str, range(10))
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if '.' not in self.text:
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numeric_list.append('.')
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if substring not in numeric_list:
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return
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super(ELTextInput, self).insert_text(substring, from_undo=from_undo)
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