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import sys
# Let's do some dep checking and handle missing ones gracefully
try:
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.Qt import Qt
import PyQt4.QtCore as QtCore
except ImportError:
print "You need to have PyQT installed to run Electrum in graphical mode."
print "If you have pip installed try 'sudo pip install pyqt' if you are on Debian/Ubuntu try 'sudo apt-get install python-qt4'."
sys.exit(0)
from decimal import Decimal as D
from electrum.util import get_resource_path as rsrc
from electrum.bitcoin import is_valid
from i18n import _
import decimal
import exchange_rate
import json
import os.path
import random
import re
import time
from electrum import wallet
import webbrowser
import history_widget
import receiving_widget
from electrum import util
import csv
import datetime
from electrum.version import ELECTRUM_VERSION as electrum_version
from electrum.util import format_satoshis, age
import gui_classic
import shutil
from qt_util import *
bitcoin = lambda v: v * 100000000
def IconButton(filename, parent=None):
pixmap = QPixmap(filename)
icon = QIcon(pixmap)
return QPushButton(icon, "", parent)
class Timer(QThread):
def run(self):
while True:
self.emit(SIGNAL('timersignal'))
time.sleep(0.5)
def resize_line_edit_width(line_edit, text_input):
metrics = QFontMetrics(qApp.font())
# Create an extra character to add some space on the end
text_input += "A"
line_edit.setMinimumWidth(metrics.width(text_input))
def load_theme_name(theme_path):
try:
with open(os.path.join(theme_path, "name.cfg")) as name_cfg_file:
return name_cfg_file.read().rstrip("\n").strip()
except IOError:
return None
def theme_dirs_from_prefix(prefix):
if not os.path.exists(prefix):
return []
theme_paths = {}
for potential_theme in os.listdir(prefix):
theme_full_path = os.path.join(prefix, potential_theme)
theme_css = os.path.join(theme_full_path, "style.css")
if not os.path.exists(theme_css):
continue
theme_name = load_theme_name(theme_full_path)
if theme_name is None:
continue
theme_paths[theme_name] = prefix, potential_theme
return theme_paths
def load_theme_paths():
theme_paths = {}
prefixes = (util.local_data_dir(), util.appdata_dir())
for prefix in prefixes:
theme_paths.update(theme_dirs_from_prefix(prefix))
return theme_paths
def csv_transaction(wallet):
try:
select_export = _('Select file to export your wallet transactions to')
fileName = QFileDialog.getSaveFileName(QWidget(), select_export, os.path.expanduser('~/electrum-history.csv'), "*.csv")
if fileName:
with open(fileName, "w+") as csvfile:
transaction = csv.writer(csvfile)
transaction.writerow(["transaction_hash","label", "confirmations", "value", "fee", "balance", "timestamp"])
for item in wallet.get_tx_history():
tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item
if confirmations:
if timestamp is not None:
try:
time_string = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
except [RuntimeError, TypeError, NameError] as reason:
time_string = "unknown"
pass
else:
time_string = "unknown"
else:
time_string = "pending"
if value is not None:
value_string = format_satoshis(value, True, wallet.num_zeros)
else:
value_string = '--'
if fee is not None:
fee_string = format_satoshis(fee, True, wallet.num_zeros)
else:
fee_string = '0'
if tx_hash:
label, is_default_label = wallet.get_label(tx_hash)
else:
label = ""
balance_string = format_satoshis(balance, False, wallet.num_zeros)
transaction.writerow([tx_hash, label, confirmations, value_string, fee_string, balance_string, time_string])
QMessageBox.information(None,"CSV Export created", "Your CSV export has been successfully created.")
except (IOError, os.error), reason:
export_error_label = _("Electrum was unable to produce a transaction export.")
QMessageBox.critical(None,"Unable to create csv", export_error_label + "\n" + str(reason))
class ElectrumGui(QObject):
def __init__(self, wallet, config, expert=None):
super(QObject, self).__init__()
self.wallet = wallet
self.config = config
self.check_qt_version()
self.expert = expert
if self.expert != None:
self.app = self.expert.app
else:
self.app = QApplication(sys.argv)
def check_qt_version(self):
qtVersion = qVersion()
if not(int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
app = QApplication(sys.argv)
QMessageBox.warning(None,"Could not start Lite GUI.", "Electrum was unable to load the 'Lite GUI' because it needs Qt version >= 4.7.\nChanging your config to use the 'Classic' GUI")
self.config.set_key('gui','classic',True)
sys.exit(0)
def main(self, url):
actuator = MiniActuator(self.wallet)
# Should probably not modify the current path but instead
# change the behaviour of rsrc(...)
old_path = QDir.currentPath()
actuator.load_theme()
self.mini = MiniWindow(actuator, self.expand, self.config)
driver = MiniDriver(self.wallet, self.mini)
# Reset path back to original value now that loading the GUI
# is completed.
QDir.setCurrent(old_path)
if url:
self.set_url(url)
if self.expert == None:
timer = Timer()
timer.start()
self.expert = gui_classic.ElectrumWindow(self.wallet, self.config)
self.expert.app = self.app
self.expert.connect_slots(timer)
self.expert.update_wallet()
self.app.exec_()
def expand(self):
"""Hide the lite mode window and show pro-mode."""
self.config.set_key('gui', 'classic', True)
self.mini.hide()
self.expert.show()
def set_url(self, url):
payto, amount, label, message, signature, identity, url = \
self.wallet.parse_url(url, self.show_message, self.show_question)
self.mini.set_payment_fields(payto, amount)
def show_message(self, message):
QMessageBox.information(self.mini, _("Message"), message, _("OK"))
def show_question(self, message):
choice = QMessageBox.question(self.mini, _("Message"), message,
QMessageBox.Yes|QMessageBox.No,
QMessageBox.No)
return choice == QMessageBox.Yes
def restore_or_create(self):
qt_gui_object = gui_classic.ElectrumGui(self.wallet, self.app)
return qt_gui_object.restore_or_create()
class TransactionWindow(QDialog):
def set_label(self):
label = unicode(self.label_edit.text())
self.parent.wallet.labels[self.tx_id] = label
super(TransactionWindow, self).accept()
def __init__(self, transaction_id, parent):
super(TransactionWindow, self).__init__()
self.tx_id = str(transaction_id)
self.parent = parent
self.setModal(True)
self.resize(200,100)
self.setWindowTitle(_("Transaction successfully sent"))
self.layout = QGridLayout(self)
history_label = "%s\n%s" % (_("Your transaction has been sent."), _("Please enter a label for this transaction for future reference."))
self.layout.addWidget(QLabel(history_label))
self.label_edit = QLineEdit()
self.label_edit.setPlaceholderText(_("Transaction label"))
self.label_edit.setObjectName("label_input")
self.label_edit.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.label_edit.setFocusPolicy(Qt.ClickFocus)
self.layout.addWidget(self.label_edit)
self.save_button = QPushButton(_("Save"))
self.layout.addWidget(self.save_button)
self.save_button.clicked.connect(self.set_label)
self.exec_()
class MiniWindow(QDialog):
def __init__(self, actuator, expand_callback, config):
super(MiniWindow, self).__init__()
tx = "e08115d0f7819aee65b9d24f81ef9d46eb62bb67ddef5318156cbc3ceb7b703e"
self.actuator = actuator
self.config = config
self.btc_balance = None
self.quote_currencies = ["BRL", "CNY", "EUR", "GBP", "RUB", "USD"]
self.actuator.set_configured_currency(self.set_quote_currency)
self.exchanger = exchange_rate.Exchanger(self)
# Needed because price discovery is done in a different thread
# which needs to be sent back to this main one to update the GUI
self.connect(self, SIGNAL("refresh_balance()"), self.refresh_balance)
self.balance_label = BalanceLabel(self.change_quote_currency)
self.balance_label.setObjectName("balance_label")
# Bitcoin address code
self.address_input = QLineEdit()
self.address_input.setPlaceholderText(_("Enter a Bitcoin address or contact"))
self.address_input.setObjectName("address_input")
self.address_input.setFocusPolicy(Qt.ClickFocus)
self.address_input.textChanged.connect(self.address_field_changed)
resize_line_edit_width(self.address_input,
"1BtaFUr3qVvAmwrsuDuu5zk6e4s2rxd2Gy")
self.address_completions = QStringListModel()
address_completer = QCompleter(self.address_input)
address_completer.setCaseSensitivity(False)
address_completer.setModel(self.address_completions)
self.address_input.setCompleter(address_completer)
address_layout = QHBoxLayout()
address_layout.addWidget(self.address_input)
self.amount_input = QLineEdit()
self.amount_input.setPlaceholderText(_("... and amount"))
self.amount_input.setObjectName("amount_input")
self.amount_input.setFocusPolicy(Qt.ClickFocus)
# This is changed according to the user's displayed balance
self.amount_validator = QDoubleValidator(self.amount_input)
self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
self.amount_validator.setDecimals(8)
self.amount_input.setValidator(self.amount_validator)
# This removes the very ugly OSX highlighting, please leave this in :D
self.address_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.amount_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.amount_input.textChanged.connect(self.amount_input_changed)
if self.actuator.wallet.seed:
self.send_button = QPushButton(_("&Send"))
else:
self.send_button = QPushButton(_("&Create"))
self.send_button.setObjectName("send_button")
self.send_button.setDisabled(True);
self.send_button.clicked.connect(self.send)
# Creating the receive button
self.switch_button = QPushButton( QIcon(":icons/switchgui.png"),'' )
self.switch_button.setMaximumWidth(25)
self.switch_button.setFlat(True)
self.switch_button.clicked.connect(expand_callback)
main_layout = QGridLayout(self)
main_layout.addWidget(self.balance_label, 0, 0, 1, 3)
main_layout.addWidget(self.switch_button, 0, 3)
main_layout.addWidget(self.address_input, 1, 0, 1, 4)
main_layout.addWidget(self.amount_input, 2, 0, 1, 2)
main_layout.addWidget(self.send_button, 2, 2, 1, 2)
self.send_button.setMaximumWidth(125)
self.history_list = history_widget.HistoryWidget()
self.history_list.setObjectName("history")
self.history_list.hide()
self.history_list.setAlternatingRowColors(True)
main_layout.addWidget(self.history_list, 3, 0, 1, 4)
self.receiving = receiving_widget.ReceivingWidget(self)
self.receiving.setObjectName("receiving")
# Add to the right side
self.receiving_box = QGroupBox(_("Select a receiving address"))
extra_layout = QGridLayout()
# Checkbox to filter used addresses
hide_used = QCheckBox(_('Hide used addresses'))
hide_used.setChecked(True)
hide_used.stateChanged.connect(self.receiving.toggle_used)
# Events for receiving addresses
self.receiving.clicked.connect(self.receiving.copy_address)
self.receiving.itemDoubleClicked.connect(self.receiving.edit_label)
self.receiving.itemChanged.connect(self.receiving.update_label)
# Label
extra_layout.addWidget( QLabel(_('Selecting an address will copy it to the clipboard.') + '\n' + _('Double clicking the label will allow you to edit it.') ),0,0)
extra_layout.addWidget(self.receiving, 1,0)
extra_layout.addWidget(hide_used, 2,0)
extra_layout.setColumnMinimumWidth(0,200)
self.receiving_box.setLayout(extra_layout)
main_layout.addWidget(self.receiving_box,0,4,-1,3)
self.receiving_box.hide()
# Creating the menu bar
menubar = QMenuBar()
electrum_menu = menubar.addMenu(_("&Electrum"))
quit_option = electrum_menu.addAction(_("&Close"))
quit_option.triggered.connect(self.close)
view_menu = menubar.addMenu(_("&View"))
extra_menu = menubar.addMenu(_("&Extra"))
backup_wallet_menu = extra_menu.addAction( _("&Create wallet backup"))
backup_wallet_menu.triggered.connect(lambda: backup_wallet(self.config.path))
export_csv = extra_menu.addAction( _("&Export transactions to CSV") )
export_csv.triggered.connect(lambda: csv_transaction(self.actuator.wallet))
master_key = extra_menu.addAction( _("Copy master public key to clipboard") )
master_key.triggered.connect(self.actuator.copy_master_public_key)
expert_gui = view_menu.addAction(_("&Classic GUI"))
expert_gui.triggered.connect(expand_callback)
themes_menu = view_menu.addMenu(_("&Themes"))
selected_theme = self.actuator.selected_theme()
theme_group = QActionGroup(self)
for theme_name in self.actuator.theme_names():
theme_action = themes_menu.addAction(theme_name)
theme_action.setCheckable(True)
if selected_theme == theme_name:
theme_action.setChecked(True)
class SelectThemeFunctor:
def __init__(self, theme_name, toggle_theme):
self.theme_name = theme_name
self.toggle_theme = toggle_theme
def __call__(self, checked):
if checked:
self.toggle_theme(self.theme_name)
delegate = SelectThemeFunctor(theme_name, self.toggle_theme)
theme_action.toggled.connect(delegate)
theme_group.addAction(theme_action)
view_menu.addSeparator()
show_receiving = view_menu.addAction(_("Show Receiving addresses"))
show_receiving.setCheckable(True)
show_receiving.toggled.connect(self.toggle_receiving_layout)
show_receiving_toggle = self.config.get("gui_show_receiving",False)
show_receiving.setChecked(show_receiving_toggle)
self.show_receiving = show_receiving
self.toggle_receiving_layout(show_receiving_toggle)
show_history = view_menu.addAction(_("Show History"))
show_history.setCheckable(True)
show_history.toggled.connect(self.show_history)
help_menu = menubar.addMenu(_("&Help"))
the_website = help_menu.addAction(_("&Website"))
the_website.triggered.connect(self.the_website)
help_menu.addSeparator()
report_bug = help_menu.addAction(_("&Report Bug"))
report_bug.triggered.connect(self.show_report_bug)
show_about = help_menu.addAction(_("&About"))
show_about.triggered.connect(self.show_about)
main_layout.setMenuBar(menubar)
self.main_layout = main_layout
quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)
quit_shortcut.activated.connect(self.close)
close_shortcut = QShortcut(QKeySequence("Ctrl+W"), self)
close_shortcut.activated.connect(self.close)
g = self.config.get("winpos-lite",[4, 25, 351, 149])
self.setGeometry(g[0], g[1], g[2], g[3])
show_hist = self.config.get("gui_show_history",False)
show_history.setChecked(show_hist)
self.show_history(show_hist)
self.setWindowIcon(QIcon(":icons/electrum.png"))
self.setWindowTitle("Electrum")
self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
self.layout().setSizeConstraint(QLayout.SetFixedSize)
self.setObjectName("main_window")
self.show()
def toggle_theme(self, theme_name):
old_path = QDir.currentPath()
self.actuator.change_theme(theme_name)
# Recompute style globally
qApp.style().unpolish(self)
qApp.style().polish(self)
QDir.setCurrent(old_path)
def closeEvent(self, event):
g = self.geometry()
self.config.set_key("winpos-lite", [g.left(),g.top(),g.width(),g.height()],True)
self.config.set_key("gui_show_history", self.history_list.isVisible(),True)
self.config.set_key("gui_show_receiving", self.receiving_box.isVisible(),True)
super(MiniWindow, self).closeEvent(event)
qApp.quit()
def set_payment_fields(self, dest_address, amount):
self.address_input.setText(dest_address)
self.address_field_changed(dest_address)
self.amount_input.setText(amount)
def activate(self):
pass
def deactivate(self):
pass
def set_quote_currency(self, currency):
"""Set and display the fiat currency country."""
if currency not in self.quote_currencies:
return
self.quote_currencies.remove(currency)
self.quote_currencies.insert(0, currency)
self.refresh_balance()
def change_quote_currency(self, forward=True):
if forward:
self.quote_currencies = \
self.quote_currencies[1:] + self.quote_currencies[0:1]
else:
self.quote_currencies = \
self.quote_currencies[-1:] + self.quote_currencies[0:-1]
self.actuator.set_config_currency(self.quote_currencies[0])
self.refresh_balance()
def refresh_balance(self):
if self.btc_balance is None:
# Price has been discovered before wallet has been loaded
# and server connect... so bail.
return
self.set_balances(self.btc_balance)
self.amount_input_changed(self.amount_input.text())
def set_balances(self, btc_balance):
"""Set the bitcoin balance and update the amount label accordingly."""
self.btc_balance = btc_balance
quote_text = self.create_quote_text(btc_balance)
if quote_text:
quote_text = "(%s)" % quote_text
btc_balance = "%.4f" % (btc_balance / bitcoin(1))
self.balance_label.set_balance_text(btc_balance, quote_text)
self.setWindowTitle("Electrum %s - %s BTC" % (electrum_version, btc_balance))
def amount_input_changed(self, amount_text):
"""Update the number of bitcoins displayed."""
self.check_button_status()
try:
amount = D(str(amount_text))
except decimal.InvalidOperation:
self.balance_label.show_balance()
else:
quote_text = self.create_quote_text(amount * bitcoin(1))
if quote_text:
self.balance_label.set_amount_text(quote_text)
self.balance_label.show_amount()
else:
self.balance_label.show_balance()
def create_quote_text(self, btc_balance):
"""Return a string copy of the amount fiat currency the
user has in bitcoins."""
quote_currency = self.quote_currencies[0]
quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
if quote_balance is None:
quote_text = ""
else:
quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
quote_currency)
return quote_text
def send(self):
if self.actuator.send(self.address_input.text(),
self.amount_input.text(), self):
self.address_input.setText("")
self.amount_input.setText("")
def check_button_status(self):
"""Check that the bitcoin address is valid and that something
is entered in the amount before making the send button clickable."""
try:
value = D(str(self.amount_input.text())) * 10**8
except decimal.InvalidOperation:
value = None
# self.address_input.property(...) returns a qVariant, not a bool.
# The == is needed to properly invoke a comparison.
if (self.address_input.property("isValid") == True and
value is not None and 0 < value <= self.btc_balance):
self.send_button.setDisabled(False)
else:
self.send_button.setDisabled(True)
def address_field_changed(self, address):
# label or alias, with address in brackets
match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
address)
if match2:
address = match2.group(2)
self.address_input.setText(address)
if is_valid(address):
self.check_button_status()
self.address_input.setProperty("isValid", True)
self.recompute_style(self.address_input)
else:
self.send_button.setDisabled(True)
self.address_input.setProperty("isValid", False)
self.recompute_style(self.address_input)
if len(address) == 0:
self.address_input.setProperty("isValid", None)
self.recompute_style(self.address_input)
def recompute_style(self, element):
self.style().unpolish(element)
self.style().polish(element)
def copy_address(self):
receive_popup = ReceivePopup(self.receive_button)
self.actuator.copy_address(receive_popup)
def update_completions(self, completions):
self.address_completions.setStringList(completions)
def update_history(self, tx_history):
self.history_list.empty()
for item in tx_history[-10:]:
tx_hash, conf, is_mine, value, fee, balance, timestamp = item
label = self.actuator.wallet.get_label(tx_hash)[0]
#amount = D(value) / 10**8
v_str = format_satoshis(value, True)
self.history_list.append(label, v_str, age(timestamp))
def acceptbit(self):
self.actuator.acceptbit(self.quote_currencies[0])
def the_website(self):
webbrowser.open("http://electrum.org")
def show_about(self):
QMessageBox.about(self, "Electrum",
_("Version")+" %s" % (electrum_version) + "\n\n" + _("Electrum's focus is speed, with low resource usage and simplifying Bitcoin. You do not need to perform regular backups, because your wallet can be recovered from a secret phrase that you can memorize or write on paper. Startup times are instant because it operates in conjunction with high-performance servers that handle the most complicated parts of the Bitcoin system."))
def show_report_bug(self):
QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
_("Please report any bugs as issues on github:")+" <a href=\"https://github.com/spesmilo/electrum/issues\">https://github.com/spesmilo/electrum/issues</a>")
def toggle_receiving_layout(self, toggle_state):
if toggle_state:
self.receiving_box.show()
else:
self.receiving_box.hide()
def show_history(self, toggle_state):
if toggle_state:
self.main_layout.setRowMinimumHeight(3,200)
self.history_list.show()
else:
self.main_layout.setRowMinimumHeight(3,0)
self.history_list.hide()
class BalanceLabel(QLabel):
SHOW_CONNECTING = 1
SHOW_BALANCE = 2
SHOW_AMOUNT = 3
def __init__(self, change_quote_currency, parent=None):
super(QLabel, self).__init__(_("Connecting..."), parent)
self.change_quote_currency = change_quote_currency
self.state = self.SHOW_CONNECTING
self.balance_text = ""
self.amount_text = ""
def mousePressEvent(self, event):
"""Change the fiat currency selection if window background is clicked."""
if self.state != self.SHOW_CONNECTING:
self.change_quote_currency(event.button() == Qt.LeftButton)
def set_balance_text(self, btc_balance, quote_text):
"""Set the amount of bitcoins in the gui."""
if self.state == self.SHOW_CONNECTING:
self.state = self.SHOW_BALANCE
self.balance_text = "<span style='font-size: 18pt'>%s</span> <span style='font-size: 10pt'>BTC</span> <span style='font-size: 10pt'>%s</span>" % (btc_balance, quote_text)
if self.state == self.SHOW_BALANCE:
self.setText(self.balance_text)
def set_amount_text(self, quote_text):
self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
if self.state == self.SHOW_AMOUNT:
self.setText(self.amount_text)
def show_balance(self):
if self.state == self.SHOW_AMOUNT:
self.state = self.SHOW_BALANCE
self.setText(self.balance_text)
def show_amount(self):
if self.state == self.SHOW_BALANCE:
self.state = self.SHOW_AMOUNT
self.setText(self.amount_text)
def ok_cancel_buttons(dialog):
row_layout = QHBoxLayout()
row_layout.addStretch(1)
ok_button = QPushButton(_("OK"))
row_layout.addWidget(ok_button)
ok_button.clicked.connect(dialog.accept)
cancel_button = QPushButton(_("Cancel"))
row_layout.addWidget(cancel_button)
cancel_button.clicked.connect(dialog.reject)
return row_layout
class PasswordDialog(QDialog):
def __init__(self, parent):
super(QDialog, self).__init__(parent)
self.setModal(True)
self.password_input = QLineEdit()
self.password_input.setEchoMode(QLineEdit.Password)
main_layout = QVBoxLayout(self)
message = _('Please enter your password')
main_layout.addWidget(QLabel(message))
grid = QGridLayout()
grid.setSpacing(8)
grid.addWidget(QLabel(_('Password')), 1, 0)
grid.addWidget(self.password_input, 1, 1)
main_layout.addLayout(grid)
main_layout.addLayout(ok_cancel_buttons(self))
self.setLayout(main_layout)
def run(self):
if not self.exec_():
return
return unicode(self.password_input.text())
class ReceivePopup(QDialog):
def leaveEvent(self, event):
self.close()
def setup(self, address):
label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
address_display = QLineEdit(address)
address_display.setReadOnly(True)
resize_line_edit_width(address_display, address)
main_layout = QVBoxLayout(self)
main_layout.addWidget(label)
main_layout.addWidget(address_display)
self.setMouseTracking(True)
self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|
Qt.MSWindowsFixedSizeDialogHint)
self.layout().setSizeConstraint(QLayout.SetFixedSize)
#self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
#self.setAlignment(Qt.AlignCenter)
def popup(self):
parent = self.parent()
top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
self.move(top_left_pos)
center_mouse_pos = self.mapToGlobal(self.rect().center())
QCursor.setPos(center_mouse_pos)
self.show()
class MiniActuator:
"""Initialize the definitions relating to themes and
sending/receiving bitcoins."""
def __init__(self, wallet):
"""Retrieve the gui theme used in previous session."""
self.wallet = wallet
self.theme_name = self.wallet.config.get('litegui_theme','Cleanlook')
self.themes = load_theme_paths()
def load_theme(self):
"""Load theme retrieved from wallet file."""
try:
theme_prefix, theme_path = self.themes[self.theme_name]
except KeyError:
util.print_error("Theme not found!", self.theme_name)
return
QDir.setCurrent(os.path.join(theme_prefix, theme_path))
with open(rsrc("style.css")) as style_file:
qApp.setStyleSheet(style_file.read())
def theme_names(self):
"""Sort themes."""
return sorted(self.themes.keys())
def selected_theme(self):
"""Select theme."""
return self.theme_name
def change_theme(self, theme_name):
"""Change theme."""
self.theme_name = theme_name
self.wallet.config.set_key('litegui_theme',theme_name)
self.load_theme()
def set_configured_currency(self, set_quote_currency):
"""Set the inital fiat currency conversion country (USD/EUR/GBP) in
the GUI to what it was set to in the wallet."""
currency = self.wallet.config.get('currency')
# currency can be none when Electrum is used for the first
# time and no setting has been created yet.
if currency is not None:
set_quote_currency(currency)
def set_config_currency(self, conversion_currency):
"""Change the wallet fiat currency country."""
self.wallet.config.set_key('conversion_currency',conversion_currency,True)
def copy_address(self, receive_popup):
"""Copy the wallet addresses into the client."""
addrs = [addr for addr in self.wallet.addresses(True)
if not self.wallet.is_change(addr)]
# Select most recent addresses from gap limit
addrs = addrs[-self.wallet.gap_limit:]
copied_address = random.choice(addrs)
qApp.clipboard().setText(copied_address)
receive_popup.setup(copied_address)
receive_popup.popup()
def waiting_dialog(self, f):
s = Timer()
s.start()
w = QDialog()
w.resize(200, 70)
w.setWindowTitle('Electrum')
l = QLabel('Sending transaction, please wait.')
vbox = QVBoxLayout()
vbox.addWidget(l)
w.setLayout(vbox)
w.show()
def ff():
s = f()
if s: l.setText(s)
else: w.close()
w.connect(s, QtCore.SIGNAL('timersignal'), ff)
w.exec_()
w.destroy()
def send(self, address, amount, parent_window):
"""Send bitcoins to the target address."""
dest_address = self.fetch_destination(address)
if dest_address is None or not is_valid(dest_address):
QMessageBox.warning(parent_window, _('Error'),
_('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
return False
convert_amount = lambda amount: \
int(D(unicode(amount)) * bitcoin(1))
amount = convert_amount(amount)
if self.wallet.use_encryption:
password_dialog = PasswordDialog(parent_window)
password = password_dialog.run()
if not password:
return
else:
password = None
fee = 0
# 0.1 BTC = 10000000
if amount < bitcoin(1) / 10:
# 0.001 BTC
fee = bitcoin(1) / 1000
try:
tx = self.wallet.mktx([(dest_address, amount)], password, fee)
except BaseException as error:
QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
return False
if tx.is_complete:
h = self.wallet.send_tx(tx)
self.waiting_dialog(lambda: False if self.wallet.tx_event.isSet() else _("Sending transaction, please wait..."))
status, message = self.wallet.receive_tx(h)
if not status:
import tempfile
dumpf = tempfile.NamedTemporaryFile(delete=False)
dumpf.write(tx)
dumpf.close()
print "Dumped error tx to", dumpf.name
QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
return False
TransactionWindow(message, self)
else:
filename = 'unsigned_tx_%s' % (time.mktime(time.gmtime()))
try:
fileName = QFileDialog.getSaveFileName(QWidget(), _("Select a transaction filename"), os.path.expanduser('~/%s' % (filename)))
with open(fileName,'w') as f:
f.write(json.dumps(tx.as_dict(),indent=4) + '\n')
QMessageBox.information(QWidget(), _('Unsigned transaction created'), _("Unsigned transaction was saved to file:") + " " +fileName, _('OK'))
except BaseException as e:
QMessageBox.warning(QWidget(), _('Error'), _('Could not write transaction to file: %s' % e), _('OK'))
return True
def fetch_destination(self, address):
recipient = unicode(address).strip()
# alias
match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
recipient)
# label or alias, with address in brackets
match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
recipient)
if match1:
dest_address = \
self.wallet.get_alias(recipient, True,
self.show_message, self.question)
return dest_address
elif match2:
return match2.group(2)
else:
return recipient
def copy_master_public_key(self):
master_pubkey = self.wallet.get_master_public_key()
qApp.clipboard().setText(master_pubkey)
QMessageBox.information(None, _("Copy successful"), _("Your master public key has been copied to your clipboard."))
def acceptbit(self, currency):
master_pubkey = self.wallet.master_public_key
url = "http://acceptbit.com/mpk/%s/%s" % (master_pubkey, currency)
webbrowser.open(url)
def show_seed_dialog(self):
gui_classic.ElectrumWindow.show_seed_dialog(self.wallet)
class MiniDriver(QObject):
INITIALIZING = 0
CONNECTING = 1
SYNCHRONIZING = 2
READY = 3
def __init__(self, wallet, window):
super(QObject, self).__init__()
self.wallet = wallet
self.window = window
self.wallet.interface.register_callback('updated',self.update_callback)
self.wallet.interface.register_callback('connected', self.update_callback)
self.wallet.interface.register_callback('disconnected', self.update_callback)
self.state = None
self.initializing()
self.connect(self, SIGNAL("updatesignal()"), self.update)
self.update_callback()
# This is a hack to workaround that Qt does not like changing the
# window properties from this other thread before the runloop has
# been called from.
def update_callback(self):
self.emit(SIGNAL("updatesignal()"))
def update(self):
if not self.wallet.interface:
self.initializing()
elif not self.wallet.interface.is_connected:
self.connecting()
elif not self.wallet.up_to_date:
self.synchronizing()
else:
self.ready()
if self.wallet.up_to_date:
self.update_balance()
self.update_completions()
self.update_history()
def initializing(self):
if self.state == self.INITIALIZING:
return
self.state = self.INITIALIZING
self.window.deactivate()
def connecting(self):
if self.state == self.CONNECTING:
return
self.state = self.CONNECTING
self.window.deactivate()
def synchronizing(self):
if self.state == self.SYNCHRONIZING:
return
self.state = self.SYNCHRONIZING
self.window.deactivate()
def ready(self):
if self.state == self.READY:
return
self.state = self.READY
self.window.activate()
def update_balance(self):
conf_balance, unconf_balance = self.wallet.get_balance()
balance = D(conf_balance + unconf_balance)
self.window.set_balances(balance)
def update_completions(self):
completions = []
for addr, label in self.wallet.labels.items():
if addr in self.wallet.addressbook:
completions.append("%s <%s>" % (label, addr))
self.window.update_completions(completions)
def update_history(self):
tx_history = self.wallet.get_tx_history()
self.window.update_history(tx_history)
if __name__ == "__main__":
app = QApplication(sys.argv)
with open(rsrc("style.css")) as style_file:
app.setStyleSheet(style_file.read())
mini = MiniWindow()
sys.exit(app.exec_())