def get_max_amount(self):
from electrum_cadex.transaction import TxOutput
if run_hook('abort_send', self):
return ''
inputs = self.wallet.get_spendable_coins(None, self.electrum_config)
if not inputs:
return ''
addr = str(
self.send_screen.screen.address) or self.wallet.dummy_address()
outputs = [TxOutput(TYPE_ADDRESS, addr, '!')]
try:
tx = self.wallet.make_unsigned_transaction(inputs, outputs,
self.electrum_config)
except NoDynamicFeeEstimates as e:
Clock.schedule_once(
lambda dt, bound_e=e: self.show_error(str(bound_e)))
return ''
except NotEnoughFunds:
return ''
amount = tx.output_value()
__, x_fee_amount = run_hook('get_tx_extra_fee', self.wallet,
tx) or (None, 0)
amount_after_all_fees = amount - x_fee_amount
return format_satoshis_plain(amount_after_all_fees,
self.decimal_point())
def create_window_for_wallet(self, wallet):
w = ElectrumWindow(self, wallet)
self.windows.append(w)
self.build_tray_menu()
# FIXME: Remove in favour of the load_wallet hook
run_hook('on_new_window', w)
return w
def __init__(self, config, daemon, plugins):
set_language(config.get('language'))
# Uncomment this call to verify objects are being properly
# GC-ed when windows are closed
#network.add_jobs([DebugMem([Abstract_Wallet, SPV, Synchronizer,
# ElectrumWindow], interval=5)])
QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads)
if hasattr(QtCore.Qt, "AA_ShareOpenGLContexts"):
QtCore.QCoreApplication.setAttribute(
QtCore.Qt.AA_ShareOpenGLContexts)
if hasattr(QGuiApplication, 'setDesktopFileName'):
QGuiApplication.setDesktopFileName('electrum-cadex.desktop')
self.config = config
self.daemon = daemon
self.plugins = plugins
self.windows = []
self.efilter = OpenFileEventFilter(self.windows)
self.app = QElectrumApplication(sys.argv)
self.app.installEventFilter(self.efilter)
self.timer = Timer()
self.nd = None
self.network_updated_signal_obj = QNetworkUpdatedSignalObject()
# init tray
self.dark_icon = self.config.get("dark_icon", False)
self.tray = QSystemTrayIcon(self.tray_icon(), None)
self.tray.setToolTip('Cadex Electrum')
self.tray.activated.connect(self.tray_activated)
self.build_tray_menu()
self.tray.show()
self.app.new_window_signal.connect(self.start_new_window)
self.set_dark_theme_if_needed()
run_hook('init_qt', self)
def create_menu(self, position):
item = self.itemAt(position)
if not item:
return
addr = str(item.text(1))
req = self.wallet.receive_requests.get(addr)
if req is None:
self.update()
return
column = self.currentColumn()
column_title = self.headerItem().text(column)
column_data = item.text(column)
menu = QMenu(self)
menu.addAction(
_("Copy {}").format(column_title),
lambda: self.parent.app.clipboard().setText(column_data))
menu.addAction(
_("Copy URI"), lambda: self.parent.view_and_paste(
'URI', '', self.parent.get_request_URI(addr)))
menu.addAction(_("Save as BIP70 file"),
lambda: self.parent.export_payment_request(addr))
menu.addAction(_("Delete"),
lambda: self.parent.delete_payment_request(addr))
run_hook('receive_list_menu', menu, addr)
menu.exec_(self.viewport().mapToGlobal(position))
def __init__(self, text="", allow_multi=False):
ButtonsTextEdit.__init__(self, text)
self.allow_multi = allow_multi
self.setReadOnly(0)
self.addButton(":icons/file.png", self.file_input, _("Read file"))
icon = ":icons/qrcode.png"
self.addButton(icon, self.qr_input, _("Read QR code"))
run_hook('scan_text_edit', self)
def close_window(self, window):
if window in self.windows:
self.windows.remove(window)
self.build_tray_menu()
# save wallet path of last open window
if not self.windows:
self.config.save_last_wallet(window.wallet)
run_hook('on_close_window', window)
def load_wallet(self, wallet):
if self.wallet:
self.stop_wallet()
self.wallet = wallet
self.update_wallet()
# Once GUI has been initialized check if we want to announce something
# since the callback has been called before the GUI was initialized
if self.receive_screen:
self.receive_screen.clear()
self.update_tabs()
run_hook('load_wallet', wallet, self)
def on_update(self):
item = self.currentItem()
current_key = item.data(0, Qt.UserRole) if item else None
self.clear()
for key in sorted(self.parent.contacts.keys()):
_type, name = self.parent.contacts[key]
item = QTreeWidgetItem([name, key])
item.setData(0, Qt.UserRole, key)
self.addTopLevelItem(item)
if key == current_key:
self.setCurrentItem(item)
run_hook('update_contacts_tab', self)
def __init__(self, parent, seed, passphrase):
WindowModalDialog.__init__(self, parent,
('Cadex Electrum - ' + _('Seed')))
self.setMinimumWidth(400)
vbox = QVBoxLayout(self)
title = _("Your wallet generation seed is:")
slayout = SeedLayout(title=title,
seed=seed,
msg=True,
passphrase=passphrase)
vbox.addLayout(slayout)
has_extension = True if passphrase else False
run_hook('set_seed', seed, has_extension, slayout.seed_e)
vbox.addLayout(Buttons(CloseButton(self)))
def update(self):
desc = self.desc
base_unit = self.main_window.base_unit()
format_amount = self.main_window.format_amount
tx_hash, status, label, can_broadcast, amount, fee, height, conf, timestamp, exp_n = self.wallet.get_tx_info(self.tx)
size = self.tx.estimated_size()
self.broadcast_button.setEnabled(can_broadcast)
can_sign = not self.tx.is_complete() and \
(self.wallet.can_sign(self.tx) or bool(self.main_window.tx_external_keypairs))
self.sign_button.setEnabled(can_sign)
self.tx_hash_e.setText(tx_hash or _('Unknown'))
if desc is None:
self.tx_desc.hide()
else:
self.tx_desc.setText(_("Description") + ': ' + desc)
self.tx_desc.show()
self.status_label.setText(_('Status:') + ' ' + status)
if timestamp:
time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
self.date_label.setText(_("Date: {}").format(time_str))
self.date_label.show()
elif exp_n:
text = '%.2f MB'%(exp_n/1000000)
self.date_label.setText(_('Position in mempool: {} from tip').format(text))
self.date_label.show()
else:
self.date_label.hide()
if amount is None:
amount_str = _("Transaction unrelated to your wallet")
elif amount > 0:
amount_str = _("Amount received:") + ' %s'% format_amount(amount) + ' ' + base_unit
else:
amount_str = _("Amount sent:") + ' %s'% format_amount(-amount) + ' ' + base_unit
size_str = _("Size:") + ' %d bytes'% size
fee_str = _("Fee") + ': %s' % (format_amount(fee) + ' ' + base_unit if fee is not None else _('unknown'))
if fee is not None:
fee_rate = fee/size*1000
fee_str += ' ( %s ) ' % self.main_window.format_fee_rate(fee_rate)
confirm_rate = simple_config.FEERATE_WARNING_HIGH_FEE
if fee_rate > confirm_rate:
fee_str += ' - ' + _('Warning') + ': ' + _("high fee") + '!'
self.amount_label.setText(amount_str)
self.fee_label.setText(fee_str)
self.size_label.setText(size_str)
if self.tx.tx_type:
tx_type = self.tx.tx_type
extra_payload = self.tx.extra_payload
self.extra_pld.set_extra_data(tx_type, extra_payload)
run_hook('transaction_dialog_update', self)
def create_menu(self, position):
from electrum_cadex.wallet import Multisig_Wallet
is_multisig = isinstance(self.wallet, Multisig_Wallet)
can_delete = self.wallet.can_delete_address()
selected = self.selectedItems()
multi_select = len(selected) > 1
addrs = [item.text(1) for item in selected]
if not addrs:
return
if not multi_select:
item = self.itemAt(position)
col = self.currentColumn()
if not item:
return
addr = addrs[0]
if not is_address(addr):
item.setExpanded(not item.isExpanded())
return
menu = QMenu()
if not multi_select:
column_title = self.headerItem().text(col)
copy_text = item.text(col)
menu.addAction(_("Copy {}").format(column_title), lambda: self.parent.app.clipboard().setText(copy_text))
menu.addAction(_('Details'), lambda: self.parent.show_address(addr))
if col in self.editable_columns:
menu.addAction(_("Edit {}").format(column_title), lambda: self.editItem(item, col))
menu.addAction(_("Request payment"), lambda: self.parent.receive_at(addr))
if self.wallet.can_export():
menu.addAction(_("Private key"), lambda: self.parent.show_private_key(addr))
if not is_multisig and not self.wallet.is_watching_only():
menu.addAction(_("Sign/verify message"), lambda: self.parent.sign_verify_message(addr))
menu.addAction(_("Encrypt/decrypt message"), lambda: self.parent.encrypt_message(addr))
if can_delete:
menu.addAction(_("Remove from wallet"), lambda: self.parent.remove_address(addr))
addr_URL = block_explorer_URL(self.config, 'addr', addr)
if addr_URL:
menu.addAction(_("View on block explorer"), lambda: webbrowser.open(addr_URL))
if not self.wallet.is_frozen(addr):
menu.addAction(_("Freeze"), lambda: self.parent.set_frozen_state([addr], True))
else:
menu.addAction(_("Unfreeze"), lambda: self.parent.set_frozen_state([addr], False))
coins = self.wallet.get_utxos(addrs)
if coins:
menu.addAction(_("Spend from"), lambda: self.parent.spend_coins(coins))
run_hook('receive_menu', menu, addrs, self.wallet)
menu.exec_(self.viewport().mapToGlobal(position))
def _do_send(self, amount, message, outputs):
# make unsigned transaction
config = self.app.electrum_config
coins = self.app.wallet.get_spendable_coins(None, 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
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),
]
x_fee = run_hook('get_tx_extra_fee', self.app.wallet, tx)
if x_fee:
x_fee_address, x_fee_amount = x_fee
msg.append(
_("Additional fees") + ": " +
self.app.format_amount_and_units(x_fee_amount))
if fee >= config.get('confirm_fee', 10000):
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 on_start(self):
''' This is the start point of the kivy ui
'''
import time
Logger.info('Time to on_start: {} <<<<<<<<'.format(time.clock()))
win = Window
win.bind(size=self.on_size, on_keyboard=self.on_keyboard)
win.bind(on_key_down=self.on_key_down)
#win.softinput_mode = 'below_target'
self.on_size(win, win.size)
self.init_ui()
crash_reporter.ExceptionHook(self)
# init plugins
run_hook('init_kivy', self)
# fiat currency
self.fiat_unit = self.fx.ccy if self.fx.is_enabled() else ''
# default tab
self.switch_to('history')
# bind intent for cadex: URI scheme
if platform == 'android':
from android import activity
from jnius import autoclass
PythonActivity = autoclass('org.kivy.android.PythonActivity')
mactivity = PythonActivity.mActivity
self.on_new_intent(mactivity.getIntent())
activity.bind(on_new_intent=self.on_new_intent)
# connect callbacks
if self.network:
interests = [
'updated', 'status', 'new_transaction', 'verified',
'interfaces'
]
self.network.register_callback(self.on_network_event, interests)
self.network.register_callback(self.on_fee, ['fee'])
self.network.register_callback(self.on_fee_histogram,
['fee_histogram'])
self.network.register_callback(self.on_quotes, ['on_quotes'])
self.network.register_callback(self.on_history, ['on_history'])
if self.network.tor_auto_on and not self.network.tor_on:
self.show_tor_warning()
# load wallet
self.load_wallet_by_name(self.electrum_config.get_wallet_path())
# URI passed in config
uri = self.electrum_config.get('url')
if uri:
self.set_URI(uri)
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
on_success = run_hook('tc_sign_wrapper', self.wallet, tx, on_success,
on_failure) or on_success
Clock.schedule_once(lambda dt: on_success(tx))
def create_menu(self, position):
menu = QMenu()
selected = self.selectedItems()
if not selected:
menu.addAction(_("New contact"),
lambda: self.parent.new_contact_dialog())
menu.addAction(_("Import file"), lambda: self.import_contacts())
menu.addAction(_("Export file"), lambda: self.export_contacts())
else:
names = [item.text(0) for item in selected]
keys = [item.text(1) for item in selected]
column = self.currentColumn()
column_title = self.headerItem().text(column)
column_data = '\n'.join([item.text(column) for item in selected])
menu.addAction(
_("Copy {}").format(column_title),
lambda: self.parent.app.clipboard().setText(column_data))
if column in self.editable_columns:
item = self.currentItem()
menu.addAction(
_("Edit {}").format(column_title),
lambda: self.editItem(item, column))
menu.addAction(_("Pay to"),
lambda: self.parent.payto_contacts(keys))
menu.addAction(_("Delete"),
lambda: self.parent.delete_contacts(keys))
URLs = [
block_explorer_URL(self.config, 'addr', key)
for key in filter(is_address, keys)
]
if URLs:
menu.addAction(_("View on block explorer"),
lambda: map(webbrowser.open, URLs))
run_hook('create_contact_menu', menu, selected)
menu.exec_(self.viewport().mapToGlobal(position))
def __init__(self, tx, parent, desc, prompt_if_unsaved):
'''Transactions in the wallet will show their description.
Pass desc to give a description for txs not yet in the wallet.
'''
# We want to be a top-level window
QDialog.__init__(self, parent=None)
# Take a copy; it might get updated in the main window by
# e.g. the FX plugin. If this happens during or after a long
# sign operation the signatures are lost.
self.tx = tx = copy.deepcopy(tx)
try:
self.tx.deserialize()
except BaseException as e:
raise SerializationError(e)
self.main_window = parent
self.wallet = parent.wallet
self.prompt_if_unsaved = prompt_if_unsaved
self.saved = False
self.desc = desc
# if the wallet can populate the inputs with more info, do it now.
# as a result, e.g. we might learn an imported address tx is segwit,
# in which case it's ok to display txid
self.wallet.add_input_info_to_all_inputs(tx)
self.setMinimumWidth(950)
self.setWindowTitle(_("Transaction"))
vbox = QVBoxLayout()
self.setLayout(vbox)
vbox.addWidget(QLabel(_("Transaction ID:")))
self.tx_hash_e = ButtonsLineEdit()
qr_show = lambda: parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID', parent=self)
self.tx_hash_e.addButton(":icons/qrcode.png", qr_show, _("Show as QR code"))
self.tx_hash_e.setReadOnly(True)
vbox.addWidget(self.tx_hash_e)
self.tx_desc = QLabel()
vbox.addWidget(self.tx_desc)
self.status_label = QLabel()
vbox.addWidget(self.status_label)
self.date_label = QLabel()
vbox.addWidget(self.date_label)
self.amount_label = QLabel()
vbox.addWidget(self.amount_label)
self.size_label = QLabel()
vbox.addWidget(self.size_label)
self.fee_label = QLabel()
vbox.addWidget(self.fee_label)
self.add_io(vbox)
if tx.tx_type:
self.extra_pld_label = QLabel('Extra payload:')
vbox.addWidget(self.extra_pld_label)
self.extra_pld = ExtraPayloadWidget()
vbox.addWidget(self.extra_pld)
vbox.addStretch(1)
self.sign_button = b = QPushButton(_("Sign"))
b.clicked.connect(self.sign)
self.broadcast_button = b = QPushButton(_("Broadcast"))
b.clicked.connect(self.do_broadcast)
self.save_button = b = QPushButton(_("Save"))
save_button_disabled = not tx.is_complete()
b.setDisabled(save_button_disabled)
if save_button_disabled:
b.setToolTip(SAVE_BUTTON_DISABLED_TOOLTIP)
else:
b.setToolTip(SAVE_BUTTON_ENABLED_TOOLTIP)
b.clicked.connect(self.save)
self.export_button = b = QPushButton(_("Export"))
b.clicked.connect(self.export)
self.cancel_button = b = QPushButton(_("Close"))
b.clicked.connect(self.close)
b.setDefault(True)
self.qr_button = b = QPushButton()
b.setIcon(QIcon(":icons/qrcode.png"))
b.clicked.connect(self.show_qr)
self.copy_button = CopyButton(lambda: str(self.tx), parent.app)
# Action buttons
self.buttons = [self.sign_button, self.broadcast_button, self.cancel_button]
# Transaction sharing buttons
self.sharing_buttons = [self.copy_button, self.qr_button, self.export_button, self.save_button]
run_hook('transaction_dialog', self)
hbox = QHBoxLayout()
hbox.addLayout(Buttons(*self.sharing_buttons))
hbox.addStretch(1)
hbox.addLayout(Buttons(*self.buttons))
vbox.addLayout(hbox)
self.update()
def __init__(self, text=None):
ButtonsTextEdit.__init__(self, text)
self.setReadOnly(1)
self.addButton(":icons/qrcode.png", self.qr_show, _("Show as QR code"))
run_hook('show_text_edit', self)