469 lines
16 KiB
Python
469 lines
16 KiB
Python
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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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.uix.label import Label
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from kivy.lang import Builder
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from kivy.factory import Factory
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from kivy.utils import platform
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from electrum_bitcoinprivate.util import profiler, parse_URI, format_time, InvalidPassword, NotEnoughFunds, Fiat
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from electrum_bitcoinprivate import bitcoin
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from electrum_bitcoinprivate.util import timestamp_to_datetime
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from electrum_bitcoinprivate.paymentrequest import PR_UNPAID, PR_PAID, PR_UNKNOWN, PR_EXPIRED
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from .context_menu import ContextMenu
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from electrum_bitcoinprivate_gui.kivy.i18n import _
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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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context_menu = None
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menu_actions = []
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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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self.hide_menu()
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def hide_menu(self):
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if self.context_menu is not None:
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self.remove_widget(self.context_menu)
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self.context_menu = None
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def show_menu(self, obj):
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self.hide_menu()
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self.context_menu = ContextMenu(obj, self.menu_actions)
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self.add_widget(self.context_menu)
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# note: this list needs to be kept in sync with another in qt
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TX_ICONS = [
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"unconfirmed",
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"close",
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"unconfirmed",
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"close",
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"clock1",
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"clock2",
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"clock3",
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"clock4",
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"clock5",
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"confirmed",
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]
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class HistoryScreen(CScreen):
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tab = ObjectProperty(None)
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kvname = 'history'
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cards = {}
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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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self.menu_actions = [ ('Label', self.label_dialog), ('Details', self.show_tx)]
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def show_tx(self, obj):
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tx_hash = obj.tx_hash
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tx = self.app.wallet.transactions.get(tx_hash)
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if not tx:
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return
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self.app.tx_dialog(tx)
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def label_dialog(self, obj):
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from .dialogs.label_dialog import LabelDialog
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key = obj.tx_hash
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text = self.app.wallet.get_label(key)
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def callback(text):
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self.app.wallet.set_label(key, text)
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self.update()
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d = LabelDialog(_('Enter Transaction Label'), text, callback)
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d.open()
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def get_card(self, tx_hash, height, conf, timestamp, value, balance):
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status, status_str = self.app.wallet.get_tx_status(tx_hash, height, conf, timestamp)
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icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status]
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label = self.app.wallet.get_label(tx_hash) if tx_hash else _('Pruned transaction outputs')
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ri = self.cards.get(tx_hash)
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if ri is None:
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ri = Factory.HistoryItem()
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ri.screen = self
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ri.tx_hash = tx_hash
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self.cards[tx_hash] = ri
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ri.icon = icon
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ri.date = status_str
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ri.message = label
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ri.confirmations = conf
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if value is not None:
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ri.is_mine = value < 0
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if value < 0: value = - value
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ri.amount = self.app.format_amount_and_units(value)
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if self.app.fiat_unit:
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fx = self.app.fx
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fiat_value = value / Decimal(bitcoin.COIN) * self.app.wallet.price_at_timestamp(tx_hash, fx.timestamp_rate)
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fiat_value = Fiat(fiat_value, fx.ccy)
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ri.quote_text = str(fiat_value)
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return ri
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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 = reversed(self.app.wallet.get_history())
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history_card = self.screen.ids.history_container
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history_card.clear_widgets()
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count = 0
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for item in history:
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ri = self.get_card(*item)
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history_card.add_widget(ri)
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class SendScreen(CScreen):
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kvname = 'send'
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payment_request = None
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def set_URI(self, text):
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import electrum_bitcoinprivate
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try:
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uri = electrum_bitcoinprivate.util.parse_URI(text, self.app.on_pr)
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except:
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self.app.show_info(_("Not a bitcoinprivate URI"))
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return
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amount = uri.get('amount')
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self.screen.address = uri.get('address', '')
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self.screen.message = uri.get('message', '')
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self.screen.amount = self.app.format_amount_and_units(amount) if amount else ''
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self.payment_request = None
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self.screen.is_pr = False
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def update(self):
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pass
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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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self.payment_request = None
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self.screen.is_pr = False
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def set_request(self, pr):
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self.screen.address = pr.get_requestor()
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amount = pr.get_amount()
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self.screen.amount = self.app.format_amount_and_units(amount) if amount else ''
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self.screen.message = pr.get_memo()
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if pr.is_pr():
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self.screen.is_pr = True
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self.payment_request = pr
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else:
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self.screen.is_pr = False
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self.payment_request = None
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def do_save(self):
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if not self.screen.address:
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return
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if self.screen.is_pr:
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# it should be already saved
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return
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# save address as invoice
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from electrum_bitcoinprivate.paymentrequest import make_unsigned_request, PaymentRequest
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req = {'address':self.screen.address, 'memo':self.screen.message}
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amount = self.app.get_amount(self.screen.amount) if self.screen.amount else 0
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req['amount'] = amount
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pr = make_unsigned_request(req).SerializeToString()
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pr = PaymentRequest(pr)
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self.app.wallet.invoices.add(pr)
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self.app.show_info(_("Invoice saved"))
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if pr.is_pr():
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self.screen.is_pr = True
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self.payment_request = pr
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else:
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self.screen.is_pr = False
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self.payment_request = None
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def do_paste(self):
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contents = self.app._clipboard.paste()
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if not contents:
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self.app.show_info(_("Clipboard is empty"))
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return
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self.set_URI(contents)
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def do_send(self):
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if self.screen.is_pr:
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if self.payment_request.has_expired():
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self.app.show_error(_('Payment request has expired'))
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return
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outputs = self.payment_request.get_outputs()
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else:
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address = str(self.screen.address)
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if not address:
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self.app.show_error(_('Recipient not specified.') + ' ' + _('Please scan a bitcoinprivate address or a payment request'))
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return
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if not bitcoin.is_address(address):
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self.app.show_error(_('Invalid bitcoinprivate 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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outputs = [(bitcoin.TYPE_ADDRESS, address, amount)]
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message = self.screen.message
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amount = sum(map(lambda x:x[2], outputs))
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self._do_send(amount, message, outputs)
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def _do_send(self, amount, message, outputs):
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# make unsigned transaction
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config = self.app.electrum_config
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coins = self.app.wallet.get_spendable_coins(None, config)
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try:
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tx = self.app.wallet.make_unsigned_transaction(coins, outputs, config, None)
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except NotEnoughFunds:
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self.app.show_error(_("Not enough funds"))
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return
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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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fee = tx.get_fee()
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msg = [
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_("Amount to be sent") + ": " + self.app.format_amount_and_units(amount),
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_("Mining fee") + ": " + self.app.format_amount_and_units(fee),
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]
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if fee >= config.get('confirm_fee', 100000):
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msg.append(_('Warning')+ ': ' + _("The fee for this transaction seems unusually high."))
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msg.append(_("Enter your PIN code to proceed"))
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self.app.protected('\n'.join(msg), self.send_tx, (tx, message))
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def send_tx(self, tx, message, password):
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if self.app.wallet.has_password() and password is None:
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return
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def on_success(tx):
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if tx.is_complete():
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self.app.broadcast(tx, self.payment_request)
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self.app.wallet.set_label(tx.txid(), message)
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else:
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self.app.tx_dialog(tx)
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def on_failure(error):
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self.app.show_error(error)
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if self.app.wallet.can_sign(tx):
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self.app.show_info("Signing...")
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self.app.sign_tx(tx, password, on_success, on_failure)
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else:
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self.app.tx_dialog(tx)
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class ReceiveScreen(CScreen):
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kvname = 'receive'
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def update(self):
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if not self.screen.address:
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self.get_new_address()
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else:
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status = self.app.wallet.get_request_status(self.screen.address)
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self.screen.status = _('Payment received') if status == PR_PAID else ''
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def clear(self):
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self.screen.address = ''
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self.screen.amount = ''
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self.screen.message = ''
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def get_new_address(self):
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if not self.app.wallet:
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return False
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self.clear()
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addr = self.app.wallet.get_unused_address()
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if addr is None:
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addr = self.app.wallet.get_receiving_address() or ''
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b = False
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else:
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b = True
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self.screen.address = addr
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return b
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def on_address(self, addr):
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req = self.app.wallet.get_payment_request(addr, self.app.electrum_config)
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self.screen.status = ''
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if req:
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self.screen.message = req.get('memo', '')
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amount = req.get('amount')
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self.screen.amount = self.app.format_amount_and_units(amount) if amount else ''
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status = req.get('status', PR_UNKNOWN)
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self.screen.status = _('Payment received') if status == PR_PAID else ''
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Clock.schedule_once(lambda dt: self.update_qr())
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def get_URI(self):
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from electrum_bitcoinprivate.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.qr
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qr.set_data(uri)
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def do_share(self):
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uri = self.get_URI()
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self.app.do_share(uri, _("Share bitcoinprivate Request"))
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def do_copy(self):
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uri = self.get_URI()
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self.app._clipboard.copy(uri)
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self.app.show_info(_('Request copied to clipboard'))
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def save_request(self):
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addr = self.screen.address
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if not addr:
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return False
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amount = self.screen.amount
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message = self.screen.message
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amount = self.app.get_amount(amount) if amount else 0
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req = self.app.wallet.make_payment_request(addr, amount, message, None)
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try:
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self.app.wallet.add_payment_request(req, self.app.electrum_config)
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added_request = True
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except Exception as e:
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self.app.show_error(_('Error adding payment request') + ':\n' + str(e))
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added_request = False
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finally:
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self.app.update_tab('requests')
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return added_request
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def on_amount_or_message(self):
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Clock.schedule_once(lambda dt: self.update_qr())
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def do_new(self):
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addr = self.get_new_address()
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if not addr:
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self.app.show_info(_('Please use the existing requests first.'))
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def do_save(self):
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if self.save_request():
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self.app.show_info(_('Request was saved.'))
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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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n = len(self.tab_list)
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if idx in [0, 1]:
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scroll_x = 1
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elif idx in [n-1, n-2]:
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scroll_x = 0
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else:
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scroll_x = 1. * (n - idx - 1) / (n - 1)
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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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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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