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electrum/lib/gui_qt.py

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#!/usr/bin/env python
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2012 thomasv@gitorious
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys, time, datetime, re
from i18n import _
from util import print_error
import os.path, json, util
try:
import PyQt4
except:
sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import PyQt4.QtCore as QtCore
import PyQt4.QtGui as QtGui
from interface import DEFAULT_SERVERS
try:
import icons_rc
except:
sys.exit("Error: Could not import icons_rc.py, please generate it with: 'pyrcc4 icons.qrc -o lib/icons_rc.py'")
from wallet import format_satoshis
import bmp, mnemonic, pyqrnative, qrscanner
import exchange_rate
from decimal import Decimal
import platform
if platform.system() == 'Windows':
MONOSPACE_FONT = 'Lucida Console'
elif platform.system() == 'Darwin':
MONOSPACE_FONT = 'Monaco'
else:
MONOSPACE_FONT = 'monospace'
ALIAS_REGEXP = '^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$'
def numbify(entry, is_int = False):
text = unicode(entry.text()).strip()
pos = entry.cursorPosition()
chars = '0123456789'
if not is_int: chars +='.'
s = ''.join([i for i in text if i in chars])
if not is_int:
if '.' in s:
p = s.find('.')
s = s.replace('.','')
s = s[:p] + '.' + s[p:p+8]
try:
amount = int( Decimal(s) * 100000000 )
except:
amount = None
else:
try:
amount = int( s )
except:
amount = None
entry.setText(s)
entry.setCursorPosition(pos)
return amount
class Timer(QtCore.QThread):
def run(self):
while True:
self.emit(QtCore.SIGNAL('timersignal'))
time.sleep(0.5)
class HelpButton(QPushButton):
def __init__(self, text):
QPushButton.__init__(self, '?')
self.setFocusPolicy(Qt.NoFocus)
self.setFixedWidth(20)
self.clicked.connect(lambda: QMessageBox.information(self, 'Help', text, 'OK') )
class EnterButton(QPushButton):
def __init__(self, text, func):
QPushButton.__init__(self, text)
self.func = func
self.clicked.connect(func)
def keyPressEvent(self, e):
if e.key() == QtCore.Qt.Key_Return:
apply(self.func,())
class MyTreeWidget(QTreeWidget):
def __init__(self, parent):
QTreeWidget.__init__(self, parent)
def ddfr(item):
if not item: return
for i in range(0,self.viewport().height()/5):
if self.itemAt(QPoint(0,i*5)) == item:
break
else:
return
for j in range(0,30):
if self.itemAt(QPoint(0,i*5 + j)) != item:
break
self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), QPoint(50, i*5 + j - 1))
self.connect(self, SIGNAL('itemActivated(QTreeWidgetItem*, int)'), ddfr)
class StatusBarButton(QPushButton):
def __init__(self, icon, tooltip, func):
QPushButton.__init__(self, icon, '')
self.setToolTip(tooltip)
self.setFlat(True)
self.setMaximumWidth(25)
self.clicked.connect(func)
self.func = func
def keyPressEvent(self, e):
if e.key() == QtCore.Qt.Key_Return:
apply(self.func,())
class QRCodeWidget(QWidget):
def __init__(self, data = None):
QWidget.__init__(self)
self.setMinimumSize(210, 210)
self.addr = None
self.qr = None
if data:
self.set_addr(data)
self.update_qr()
def set_addr(self, addr):
if self.addr != addr:
self.addr = addr
self.qr = None
self.update()
def update_qr(self):
if self.addr and not self.qr:
self.qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
self.qr.addData(self.addr)
self.qr.make()
self.update()
def paintEvent(self, e):
if not self.addr:
return
black = QColor(0, 0, 0, 255)
white = QColor(255, 255, 255, 255)
if not self.qr:
qp = QtGui.QPainter()
qp.begin(self)
qp.setBrush(white)
qp.setPen(white)
qp.drawRect(0, 0, 198, 198)
qp.end()
return
k = self.qr.getModuleCount()
qp = QtGui.QPainter()
qp.begin(self)
r = qp.viewport()
boxsize = min(r.width(), r.height())*0.8/k
size = k*boxsize
left = (r.width() - size)/2
top = (r.height() - size)/2
for r in range(k):
for c in range(k):
if self.qr.isDark(r, c):
qp.setBrush(black)
qp.setPen(black)
else:
qp.setBrush(white)
qp.setPen(white)
qp.drawRect(left+c*boxsize, top+r*boxsize, boxsize, boxsize)
qp.end()
class QR_Window(QWidget):
def __init__(self):
QWidget.__init__(self)
self.setWindowTitle('Electrum - Invoice')
self.setMinimumSize(800, 250)
self.address = ''
self.labe = ''
self.amount = 0
self.setFocusPolicy(QtCore.Qt.NoFocus)
main_box = QHBoxLayout()
self.qrw = QRCodeWidget()
main_box.addWidget(self.qrw, 1)
vbox = QVBoxLayout()
main_box.addLayout(vbox)
self.address_label = QLabel("")
self.address_label.setFont(QFont(MONOSPACE_FONT))
vbox.addWidget(self.address_label)
self.label_label = QLabel("")
vbox.addWidget(self.label_label)
self.amount_label = QLabel("")
vbox.addWidget(self.amount_label)
vbox.addStretch(1)
self.setLayout(main_box)
def set_content(self, addr, label, amount):
self.address = addr
address_text = "<span style='font-size: 18pt'>%s</span>" % addr if addr else ""
self.address_label.setText(address_text)
self.amount = amount
amount_text = "<span style='font-size: 21pt'>%s</span> <span style='font-size: 16pt'>BTC</span> " % format_satoshis(amount) if amount else ""
self.amount_label.setText(amount_text)
self.label = label
label_text = "<span style='font-size: 21pt'>%s</span>" % label if label else ""
self.label_label.setText(label_text)
msg = 'bitcoin:'+self.address
if self.amount is not None:
msg += '?amount=%s'%(str( Decimal(self.amount) /100000000))
if self.label is not None:
msg += '&label=%s'%(self.label)
elif self.label is not None:
msg += '?label=%s'%(self.label)
self.qrw.set_addr( msg )
def waiting_dialog(f):
s = Timer()
s.start()
w = QDialog()
w.resize(200, 70)
w.setWindowTitle('Electrum')
l = QLabel('')
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 ok_cancel_buttons(dialog):
hbox = QHBoxLayout()
hbox.addStretch(1)
b = QPushButton("OK")
hbox.addWidget(b)
b.clicked.connect(dialog.accept)
b = QPushButton("Cancel")
hbox.addWidget(b)
b.clicked.connect(dialog.reject)
return hbox
class ElectrumWindow(QMainWindow):
def __init__(self, wallet, config):
QMainWindow.__init__(self)
self.wallet = wallet
self.config = config
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.wallet.interface.register_callback('disconnecting', self.update_callback)
self.receive_tab_mode = config.get('qt_receive_tab_mode', 0)
self.merchant_name = config.get('merchant_name', 'Invoice')
self.qr_window = None
self.funds_error = False
self.completions = QStringListModel()
self.tabs = tabs = QTabWidget(self)
tabs.addTab(self.create_history_tab(), _('History') )
tabs.addTab(self.create_send_tab(), _('Send') )
tabs.addTab(self.create_receive_tab(), _('Receive') )
tabs.addTab(self.create_contacts_tab(), _('Contacts') )
tabs.addTab(self.create_wall_tab(), _('Wall') )
tabs.setMinimumSize(600, 400)
tabs.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.setCentralWidget(tabs)
self.create_status_bar()
self.toggle_QR_window(self.receive_tab_mode == 2)
g = self.config.get("winpos-qt",[100, 100, 840, 400])
self.setGeometry(g[0], g[1], g[2], g[3])
title = 'Electrum ' + self.wallet.electrum_version + ' - ' + self.config.path
if not self.wallet.seed: title += ' [seedless]'
self.setWindowTitle( title )
QShortcut(QKeySequence("Ctrl+W"), self, self.close)
QShortcut(QKeySequence("Ctrl+Q"), self, self.close)
QShortcut(QKeySequence("Ctrl+PgUp"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() - 1 )%tabs.count() ))
QShortcut(QKeySequence("Ctrl+PgDown"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() + 1 )%tabs.count() ))
self.connect(self, QtCore.SIGNAL('updatesignal'), self.update_wallet)
#self.connect(self, SIGNAL('editamount'), self.edit_amount)
self.history_list.setFocus(True)
self.exchanger = exchange_rate.Exchanger(self)
self.connect(self, SIGNAL("refresh_balance()"), self.update_wallet)
# dark magic fix by flatfly; https://bitcointalk.org/index.php?topic=73651.msg959913#msg959913
if platform.system() == 'Windows':
n = 3 if self.wallet.seed else 2
tabs.setCurrentIndex (n)
tabs.setCurrentIndex (0)
def close(self):
QMainWindow.close(self)
if self.qr_window:
self.qr_window.close()
self.qr_window = None
def connect_slots(self, sender):
self.connect(sender, QtCore.SIGNAL('timersignal'), self.timer_actions)
self.previous_payto_e=''
def timer_actions(self):
if self.qr_window:
self.qr_window.qrw.update_qr()
if self.payto_e.hasFocus():
return
r = unicode( self.payto_e.text() )
if r != self.previous_payto_e:
self.previous_payto_e = r
r = r.strip()
if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', r):
try:
to_address = self.wallet.get_alias(r, True, self.show_message, self.question)
except:
return
if to_address:
s = r + ' <' + to_address + '>'
self.payto_e.setText(s)
def update_callback(self):
self.emit(QtCore.SIGNAL('updatesignal'))
def update_wallet(self):
if self.wallet.interface and self.wallet.interface.is_connected:
if not self.wallet.up_to_date:
text = _( "Synchronizing..." )
icon = QIcon(":icons/status_waiting.png")
else:
c, u = self.wallet.get_balance()
text = _( "Balance" ) + ": %s "%( format_satoshis(c,False,self.wallet.num_zeros) )
if u: text += "[%s unconfirmed]"%( format_satoshis(u,True,self.wallet.num_zeros).strip() )
text += self.create_quote_text(Decimal(c+u)/100000000)
icon = QIcon(":icons/status_connected.png")
else:
text = _( "Not connected" )
icon = QIcon(":icons/status_disconnected.png")
if self.funds_error:
text = _( "Not enough funds" )
self.statusBar().showMessage(text)
self.status_button.setIcon( icon )
if self.wallet.up_to_date or not self.wallet.interface.is_connected:
self.textbox.setText( self.wallet.banner )
self.update_history_tab()
self.update_receive_tab()
self.update_contacts_tab()
self.update_completions()
def create_quote_text(self, btc_balance):
quote_currency = self.config.get("currency", "None")
quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
if quote_balance is None:
quote_text = ""
else:
quote_text = " (%.2f %s)" % (quote_balance, quote_currency)
return quote_text
def create_history_tab(self):
self.history_list = l = MyTreeWidget(self)
l.setColumnCount(5)
l.setColumnWidth(0, 40)
l.setColumnWidth(1, 140)
l.setColumnWidth(2, 350)
l.setColumnWidth(3, 140)
l.setColumnWidth(4, 140)
l.setHeaderLabels( [ '', _( 'Date' ), _( 'Description' ) , _('Amount'), _('Balance')] )
self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), self.tx_label_clicked)
self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.tx_label_changed)
l.setContextMenuPolicy(Qt.CustomContextMenu)
l.customContextMenuRequested.connect(self.create_history_menu)
return l
def create_history_menu(self, position):
self.history_list.selectedIndexes()
item = self.history_list.currentItem()
if not item: return
tx_hash = str(item.data(0, Qt.UserRole).toString())
if not tx_hash: return
menu = QMenu()
menu.addAction(_("Copy ID to Clipboard"), lambda: self.app.clipboard().setText(tx_hash))
menu.addAction(_("Details"), lambda: self.tx_details(tx_hash))
menu.addAction(_("Edit description"), lambda: self.tx_label_clicked(item,2))
menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
def tx_details(self, tx_hash):
tx_details = self.wallet.get_tx_details(tx_hash)
QMessageBox.information(self, 'Details', tx_details, 'OK')
def tx_label_clicked(self, item, column):
if column==2 and item.isSelected():
tx_hash = str(item.toolTip(0))
self.is_edit=True
#if not self.wallet.labels.get(tx_hash): item.setText(2,'')
item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
self.history_list.editItem( item, column )
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
self.is_edit=False
def tx_label_changed(self, item, column):
if self.is_edit:
return
self.is_edit=True
tx_hash = str(item.toolTip(0))
tx = self.wallet.transactions.get(tx_hash)
s = self.wallet.labels.get(tx_hash)
text = unicode( item.text(2) )
if text:
self.wallet.labels[tx_hash] = text
item.setForeground(2, QBrush(QColor('black')))
else:
if s: self.wallet.labels.pop(tx_hash)
text = self.wallet.get_default_label(tx_hash)
item.setText(2, text)
item.setForeground(2, QBrush(QColor('gray')))
self.is_edit=False
def edit_label(self, is_recv):
l = self.receive_list if is_recv else self.contacts_list
c = 2 if is_recv else 1
item = l.currentItem()
item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
l.editItem( item, c )
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
def edit_amount(self):
l = self.receive_list
item = l.currentItem()
item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
l.editItem( item, 3 )
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
def address_label_clicked(self, item, column, l, column_addr, column_label):
if column == column_label and item.isSelected():
addr = unicode( item.text(column_addr) )
label = unicode( item.text(column_label) )
if label in self.wallet.aliases.keys():
return
item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
l.editItem( item, column )
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
def address_label_changed(self, item, column, l, column_addr, column_label):
if column == column_label:
addr = unicode( item.text(column_addr) )
text = unicode( item.text(column_label) )
changed = False
if text:
if text not in self.wallet.aliases.keys():
old_addr = self.wallet.labels.get(text)
if old_addr != addr:
self.wallet.labels[addr] = text
changed = True
else:
print_error("Error: This is one of your aliases")
label = self.wallet.labels.get(addr,'')
item.setText(column_label, QString(label))
else:
s = self.wallet.labels.get(addr)
if s:
self.wallet.labels.pop(addr)
changed = True
if changed:
self.update_history_tab()
self.update_completions()
self.recv_changed(item)
if column == 3:
address = unicode( item.text(column_addr) )
text = unicode( item.text(3) )
try:
index = self.wallet.addresses.index(address)
except:
return
try:
amount = int( Decimal(text) * 100000000 )
item.setText(3,format_satoshis(amount,False, self.wallet.num_zeros))
except:
amount = self.wallet.requested_amounts.get(address)
if amount:
item.setText(3,format_satoshis(amount,False, self.wallet.num_zeros))
else:
item.setText(3,"")
return
self.wallet.requested_amounts[address] = amount
label = self.wallet.labels.get(address)
if label is None:
label = self.merchant_name + ' - %04d'%(index+1)
self.wallet.labels[address] = label
self.update_receive_item(self.receive_list.currentItem())
if self.qr_window:
self.qr_window.set_content( address, label, amount )
def recv_changed(self, a):
"current item changed"
if a is not None and self.qr_window and self.qr_window.isVisible():
address = str(a.text(1))
label = self.wallet.labels.get(address)
amount = self.wallet.requested_amounts.get(address)
self.qr_window.set_content( address, label, amount )
def update_history_tab(self):
self.history_list.clear()
for item in self.wallet.get_tx_history():
tx_hash, conf, is_mine, value, fee, balance, timestamp = item
if conf:
try:
time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
except:
time_str = "unknown"
if conf == -1:
icon = None
if conf == 0:
icon = QIcon(":icons/unconfirmed.png")
elif conf < 6:
icon = QIcon(":icons/clock%d.png"%conf)
else:
icon = QIcon(":icons/confirmed.png")
else:
time_str = 'pending'
icon = QIcon(":icons/unconfirmed.png")
if value is not None:
v_str = format_satoshis(value, True, self.wallet.num_zeros)
else:
v_str = '--'
balance_str = format_satoshis(balance, False, self.wallet.num_zeros)
if tx_hash:
label, is_default_label = self.wallet.get_label(tx_hash)
else:
label = _('Pruned transaction outputs')
is_default_label = False
item = QTreeWidgetItem( [ '', time_str, label, v_str, balance_str] )
item.setFont(2, QFont(MONOSPACE_FONT))
item.setFont(3, QFont(MONOSPACE_FONT))
item.setFont(4, QFont(MONOSPACE_FONT))
if value < 0:
item.setForeground(3, QBrush(QColor("#BC1E1E")))
if tx_hash:
item.setData(0, Qt.UserRole, tx_hash)
item.setToolTip(0, "%d %s\nTxId:%s" % (conf, _('Confirmations'), tx_hash) )
if is_default_label:
item.setForeground(2, QBrush(QColor('grey')))
item.setIcon(0, icon)
self.history_list.insertTopLevelItem(0,item)
self.history_list.setCurrentItem(self.history_list.topLevelItem(0))
def create_send_tab(self):
w = QWidget()
grid = QGridLayout()
grid.setSpacing(8)
grid.setColumnMinimumWidth(3,300)
grid.setColumnStretch(5,1)
self.payto_e = QLineEdit()
grid.addWidget(QLabel(_('Pay to')), 1, 0)
grid.addWidget(self.payto_e, 1, 1, 1, 3)
def fill_from_qr():
qrcode = qrscanner.scan_qr()
if 'address' in qrcode:
self.payto_e.setText(qrcode['address'])
if 'amount' in qrcode:
self.amount_e.setText(str(qrcode['amount']))
if 'label' in qrcode:
self.message_e.setText(qrcode['label'])
if 'message' in qrcode:
self.message_e.setText("%s (%s)" % (self.message_e.text(), qrcode['message']))
if qrscanner.is_available():
b = QPushButton(_("Scan QR code"))
b.clicked.connect(fill_from_qr)
grid.addWidget(b, 1, 5)
grid.addWidget(HelpButton(_('Recipient of the funds.') + '\n\n' + _('You may enter a Bitcoin address, a label from your list of contacts (a list of completions will be proposed), or an alias (email-like address that forwards to a Bitcoin address)')), 1, 4)
completer = QCompleter()
completer.setCaseSensitivity(False)
self.payto_e.setCompleter(completer)
completer.setModel(self.completions)
self.message_e = QLineEdit()
grid.addWidget(QLabel(_('Description')), 2, 0)
grid.addWidget(self.message_e, 2, 1, 1, 3)
grid.addWidget(HelpButton(_('Description of the transaction (not mandatory).') + '\n\n' + _('The description is not sent to the recipient of the funds. It is stored in your wallet file, and displayed in the \'History\' tab.')), 2, 4)
self.amount_e = QLineEdit()
grid.addWidget(QLabel(_('Amount')), 3, 0)
grid.addWidget(self.amount_e, 3, 1, 1, 2)
grid.addWidget(HelpButton(
_('Amount to be sent.') + '\n\n' \
+ _('The amount will be displayed in red if you do not have enough funds in your wallet. Note that if you have frozen some of your addresses, the available funds will be lower than your total balance.')), 3, 3)
self.fee_e = QLineEdit()
grid.addWidget(QLabel(_('Fee')), 4, 0)
grid.addWidget(self.fee_e, 4, 1, 1, 2)
grid.addWidget(HelpButton(
_('Bitcoin transactions are in general not free. A transaction fee is paid by the sender of the funds.') + '\n\n'\
+ _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
+ _('A suggested fee is automatically added to this field. You may override it. The suggested fee increases with the size of the transaction.')), 4, 3)
b = EnterButton(_("Send"), self.do_send)
grid.addWidget(b, 6, 1)
b = EnterButton(_("Clear"),self.do_clear)
grid.addWidget(b, 6, 2)
self.payto_sig = QLabel('')
grid.addWidget(self.payto_sig, 7, 0, 1, 4)
QShortcut(QKeySequence("Up"), w, w.focusPreviousChild)
QShortcut(QKeySequence("Down"), w, w.focusNextChild)
w.setLayout(grid)
w2 = QWidget()
vbox = QVBoxLayout()
vbox.addWidget(w)
vbox.addStretch(1)
w2.setLayout(vbox)
def entry_changed( is_fee ):
self.funds_error = False
amount = numbify(self.amount_e)
fee = numbify(self.fee_e)
if not is_fee: fee = None
if amount is None:
return
inputs, total, fee = self.wallet.choose_tx_inputs( amount, fee )
if not is_fee:
self.fee_e.setText( str( Decimal( fee ) / 100000000 ) )
if inputs:
palette = QPalette()
palette.setColor(self.amount_e.foregroundRole(), QColor('black'))
else:
palette = QPalette()
palette.setColor(self.amount_e.foregroundRole(), QColor('red'))
self.funds_error = True
self.amount_e.setPalette(palette)
self.fee_e.setPalette(palette)
self.update_wallet()
self.amount_e.textChanged.connect(lambda: entry_changed(False) )
self.fee_e.textChanged.connect(lambda: entry_changed(True) )
return w2
def update_completions(self):
l = []
for addr,label in self.wallet.labels.items():
if addr in self.wallet.addressbook:
l.append( label + ' <' + addr + '>')
l = l + self.wallet.aliases.keys()
self.completions.setStringList(l)
def do_send(self):
label = unicode( self.message_e.text() )
r = unicode( self.payto_e.text() )
r = r.strip()
# alias
m1 = re.match(ALIAS_REGEXP, r)
# label or alias, with address in brackets
m2 = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
if m1:
to_address = self.wallet.get_alias(r, True, self.show_message, self.question)
if not to_address:
return
elif m2:
to_address = m2.group(2)
else:
to_address = r
if not self.wallet.is_valid(to_address):
QMessageBox.warning(self, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
return
try:
amount = int( Decimal( unicode( self.amount_e.text())) * 100000000 )
except:
QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
return
try:
fee = int( Decimal( unicode( self.fee_e.text())) * 100000000 )
except:
QMessageBox.warning(self, _('Error'), _('Invalid Fee'), _('OK'))
return
if self.wallet.use_encryption:
password = self.password_dialog()
if not password:
return
else:
password = None
try:
tx = self.wallet.mktx( [(to_address, amount)], label, password, fee)
except BaseException, e:
self.show_message(str(e))
return
if self.wallet.seed:
h = self.wallet.send_tx(tx)
waiting_dialog(lambda: False if self.wallet.tx_event.isSet() else _("Please wait..."))
status, msg = self.wallet.receive_tx( h )
if status:
QMessageBox.information(self, '', _('Payment sent.')+'\n'+msg, _('OK'))
self.do_clear()
self.update_contacts_tab()
else:
QMessageBox.warning(self, _('Error'), msg, _('OK'))
else:
filename = 'unsigned_tx'
f = open(filename,'w')
f.write(tx)
f.close()
QMessageBox.information(self, _('Unsigned transaction'), _("Unsigned transaction was saved to file:") + " " +filename, _('OK'))
def set_url(self, url):
payto, amount, label, message, signature, identity, url = self.wallet.parse_url(url, self.show_message, self.question)
self.tabs.setCurrentIndex(1)
label = self.wallet.labels.get(payto)
m_addr = label + ' <'+ payto+'>' if label else payto
self.payto_e.setText(m_addr)
self.message_e.setText(message)
self.amount_e.setText(amount)
if identity:
self.set_frozen(self.payto_e,True)
self.set_frozen(self.amount_e,True)
self.set_frozen(self.message_e,True)
self.payto_sig.setText( ' The bitcoin URI was signed by ' + identity )
else:
self.payto_sig.setVisible(False)
def do_clear(self):
self.payto_sig.setVisible(False)
for e in [self.payto_e, self.message_e, self.amount_e, self.fee_e]:
e.setText('')
self.set_frozen(e,False)
def set_frozen(self,entry,frozen):
if frozen:
entry.setReadOnly(True)
entry.setFrame(False)
palette = QPalette()
palette.setColor(entry.backgroundRole(), QColor('lightgray'))
entry.setPalette(palette)
else:
entry.setReadOnly(False)
entry.setFrame(True)
palette = QPalette()
palette.setColor(entry.backgroundRole(), QColor('white'))
entry.setPalette(palette)
def toggle_freeze(self,addr):
if not addr: return
if addr in self.wallet.frozen_addresses:
self.wallet.unfreeze(addr)
else:
self.wallet.freeze(addr)
self.update_receive_tab()
def toggle_priority(self,addr):
if not addr: return
if addr in self.wallet.prioritized_addresses:
self.wallet.unprioritize(addr)
else:
self.wallet.prioritize(addr)
self.update_receive_tab()
def create_list_tab(self, headers):
"generic tab creation method"
l = MyTreeWidget(self)
l.setColumnCount( len(headers) )
l.setHeaderLabels( headers )
w = QWidget()
vbox = QVBoxLayout()
w.setLayout(vbox)
vbox.setMargin(0)
vbox.setSpacing(0)
vbox.addWidget(l)
buttons = QWidget()
vbox.addWidget(buttons)
hbox = QHBoxLayout()
hbox.setMargin(0)
hbox.setSpacing(0)
buttons.setLayout(hbox)
return l,w,hbox
def create_receive_tab(self):
l,w,hbox = self.create_list_tab([_('Flags'), _('Address'), _('Label'), _('Requested'), _('Balance'), _('Tx')])
l.setContextMenuPolicy(Qt.CustomContextMenu)
l.customContextMenuRequested.connect(self.create_receive_menu)
self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,1,2))
self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,1,2))
self.connect(l, SIGNAL('currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)'), lambda a,b: self.recv_changed(a))
self.receive_list = l
self.receive_buttons_hbox = hbox
hbox.addStretch(1)
return w
def receive_tab_set_mode(self, i):
self.receive_tab_mode = i
self.config.set_key('qt_receive_tab_mode', self.receive_tab_mode, True)
self.wallet.save()
self.update_receive_tab()
self.toggle_QR_window(self.receive_tab_mode == 2)
def create_contacts_tab(self):
l,w,hbox = self.create_list_tab([_('Address'), _('Label'), _('Tx')])
l.setContextMenuPolicy(Qt.CustomContextMenu)
l.customContextMenuRequested.connect(self.create_contact_menu)
self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
self.contacts_list = l
self.contacts_buttons_hbox = hbox
hbox.addWidget(EnterButton(_("New"), self.new_contact_dialog))
hbox.addStretch(1)
return w
def delete_imported_key(self, addr):
if self.question("Do you want to remove %s from your wallet?"%addr):
self.wallet.imported_keys.pop(addr)
self.update_receive_tab()
self.update_history_tab()
self.wallet.save()
def create_receive_menu(self, position):
# fixme: this function apparently has a side effect.
# if it is not called the menu pops up several times
#self.receive_list.selectedIndexes()
item = self.receive_list.itemAt(position)
if not item: return
addr = unicode(item.text(1))
menu = QMenu()
menu.addAction(_("Copy to clipboard"), lambda: self.app.clipboard().setText(addr))
if self.receive_tab_mode == 2:
menu.addAction(_("Request amount"), lambda: self.edit_amount())
menu.addAction(_("View QR"), lambda: ElectrumWindow.show_qrcode("Address","bitcoin:"+addr) )
menu.addAction(_("Edit label"), lambda: self.edit_label(True))
menu.addAction(_("Sign message"), lambda: self.sign_message(addr))
if addr in self.wallet.imported_keys:
menu.addAction(_("Remove from wallet"), lambda: self.delete_imported_key(addr))
if self.receive_tab_mode == 1:
t = _("Unfreeze") if addr in self.wallet.frozen_addresses else _("Freeze")
menu.addAction(t, lambda: self.toggle_freeze(addr))
t = _("Unprioritize") if addr in self.wallet.prioritized_addresses else _("Prioritize")
menu.addAction(t, lambda: self.toggle_priority(addr))
menu.exec_(self.receive_list.viewport().mapToGlobal(position))
def payto(self, x, is_alias):
if not x: return
if is_alias:
label = x
m_addr = label
else:
addr = x
label = self.wallet.labels.get(addr)
m_addr = label + ' <' + addr + '>' if label else addr
self.tabs.setCurrentIndex(1)
self.payto_e.setText(m_addr)
self.amount_e.setFocus()
def delete_contact(self, x, is_alias):
if self.question("Do you want to remove %s from your list of contacts?"%x):
if not is_alias and x in self.wallet.addressbook:
self.wallet.addressbook.remove(x)
if x in self.wallet.labels.keys():
self.wallet.labels.pop(x)
elif is_alias and x in self.wallet.aliases:
self.wallet.aliases.pop(x)
self.update_history_tab()
self.update_contacts_tab()
self.update_completions()
def create_contact_menu(self, position):
# fixme: this function apparently has a side effect.
# if it is not called the menu pops up several times
#self.contacts_list.selectedIndexes()
item = self.contacts_list.itemAt(position)
if not item: return
addr = unicode(item.text(0))
label = unicode(item.text(1))
is_alias = label in self.wallet.aliases.keys()
x = label if is_alias else addr
menu = QMenu()
menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
menu.addAction(_("Pay to"), lambda: self.payto(x, is_alias))
menu.addAction(_("View QR code"),lambda: self.show_qrcode("Address","bitcoin:"+addr))
if not is_alias:
menu.addAction(_("Edit label"), lambda: self.edit_label(False))
else:
menu.addAction(_("View alias details"), lambda: self.show_contact_details(label))
menu.addAction(_("Delete"), lambda: self.delete_contact(x,is_alias))
menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
def update_receive_item(self, item):
address = str( item.data(1,0).toString() )
flags = self.wallet.get_address_flags(address)
item.setData(0,0,flags)
label = self.wallet.labels.get(address,'')
item.setData(2,0,label)
amount = self.wallet.requested_amounts.get(address,None)
amount_str = format_satoshis( amount, False, self.wallet.num_zeros ) if amount is not None else ""
item.setData(3,0,amount_str)
c, u = self.wallet.get_addr_balance(address)
balance = format_satoshis( c + u, False, self.wallet.num_zeros )
item.setData(4,0,balance)
if self.receive_tab_mode == 1:
if address in self.wallet.frozen_addresses:
item.setBackgroundColor(1, QColor('lightblue'))
elif address in self.wallet.prioritized_addresses:
item.setBackgroundColor(1, QColor('lightgreen'))
def update_receive_tab(self):
l = self.receive_list
l.clear()
l.setColumnHidden(0, not self.receive_tab_mode == 1)
l.setColumnHidden(3, not self.receive_tab_mode == 2)
l.setColumnHidden(4, self.receive_tab_mode == 0)
l.setColumnHidden(5, not self.receive_tab_mode == 1)
l.setColumnWidth(0, 50)
l.setColumnWidth(1, 310)
l.setColumnWidth(2, 200)
l.setColumnWidth(3, 130)
l.setColumnWidth(4, 130)
l.setColumnWidth(5, 10)
gap = 0
is_red = False
for address in self.wallet.all_addresses():
if self.wallet.is_change(address) and self.receive_tab_mode != 1:
continue
n = 0
h = self.wallet.history.get(address,[])
if h != ['*']:
for tx_hash, tx_height in h:
tx = self.wallet.transactions.get(tx_hash)
if tx: n += 1
num_tx = "%d "%n
else:
n = -1
num_tx = "*"
if n==0:
if address in self.wallet.addresses:
gap += 1
if gap > self.wallet.gap_limit:
is_red = True
else:
if address in self.wallet.addresses:
gap = 0
item = QTreeWidgetItem( [ '', address, '', '', '', num_tx] )
item.setFont(0, QFont(MONOSPACE_FONT))
item.setFont(1, QFont(MONOSPACE_FONT))
item.setFont(3, QFont(MONOSPACE_FONT))
self.update_receive_item(item)
if is_red and address in self.wallet.addresses:
item.setBackgroundColor(1, QColor('red'))
l.addTopLevelItem(item)
# we use column 1 because column 0 may be hidden
l.setCurrentItem(l.topLevelItem(0),1)
def show_contact_details(self, m):
a = self.wallet.aliases.get(m)
if a:
if a[0] in self.wallet.authorities.keys():
s = self.wallet.authorities.get(a[0])
else:
s = "self-signed"
msg = 'Alias: '+ m + '\nTarget address: '+ a[1] + '\n\nSigned by: ' + s + '\nSigning address:' + a[0]
QMessageBox.information(self, 'Alias', msg, 'OK')
def update_contacts_tab(self):
l = self.contacts_list
l.clear()
l.setColumnWidth(0, 350)
l.setColumnWidth(1, 330)
l.setColumnWidth(2, 100)
alias_targets = []
for alias, v in self.wallet.aliases.items():
s, target = v
alias_targets.append(target)
item = QTreeWidgetItem( [ target, alias, '-'] )
item.setBackgroundColor(0, QColor('lightgray'))
l.addTopLevelItem(item)
for address in self.wallet.addressbook:
if address in alias_targets: continue
label = self.wallet.labels.get(address,'')
n = 0
for item in self.wallet.transactions.values():
if address in item['outputs'] : n=n+1
tx = "%d"%n
item = QTreeWidgetItem( [ address, label, tx] )
item.setFont(0, QFont(MONOSPACE_FONT))
l.addTopLevelItem(item)
l.setCurrentItem(l.topLevelItem(0))
def create_wall_tab(self):
self.textbox = textbox = QTextEdit(self)
textbox.setFont(QFont(MONOSPACE_FONT))
textbox.setReadOnly(True)
return textbox
def create_status_bar(self):
sb = QStatusBar()
sb.setFixedHeight(35)
if self.wallet.seed:
sb.addPermanentWidget( StatusBarButton( QIcon(":icons/lock.png"), "Password", lambda: self.change_password_dialog(self.wallet, self) ) )
sb.addPermanentWidget( StatusBarButton( QIcon(":icons/preferences.png"), "Preferences", self.settings_dialog ) )
if self.wallet.seed:
sb.addPermanentWidget( StatusBarButton( QIcon(":icons/seed.png"), "Seed", lambda: self.show_seed_dialog(self.wallet, self) ) )
self.status_button = StatusBarButton( QIcon(":icons/status_disconnected.png"), "Network", lambda: self.network_dialog(self.wallet, self) )
sb.addPermanentWidget( self.status_button )
self.setStatusBar(sb)
def new_contact_dialog(self):
text, ok = QInputDialog.getText(self, _('New Contact'), _('Address') + ':')
address = unicode(text)
if ok:
if self.wallet.is_valid(address):
self.wallet.addressbook.append(address)
self.wallet.save()
self.update_contacts_tab()
self.update_history_tab()
self.update_completions()
else:
QMessageBox.warning(self, _('Error'), _('Invalid Address'), _('OK'))
@staticmethod
def show_seed_dialog(wallet, parent=None):
if not wallet.seed:
QMessageBox.information(parent, _('Message'),
_('No seed'), _('OK'))
return
if wallet.use_encryption:
password = parent.password_dialog()
if not password:
return
else:
password = None
try:
seed = wallet.decode_seed(password)
except:
QMessageBox.warning(parent, _('Error'), _('Incorrect Password'), _('OK'))
return
dialog = QDialog(None)
dialog.setModal(1)
dialog.setWindowTitle("Electrum")
brainwallet = ' '.join(mnemonic.mn_encode(seed))
msg = _("Your wallet generation seed is") +":<p>\"" + brainwallet + "\"<p>" \
+ _("Please write down or memorize these 12 words (order is important).") + " " \
+ _("This seed will allow you to recover your wallet in case of computer failure.") + "<p>" \
+ _("WARNING: Never disclose your seed. Never type it on a website.") + "<p>"
main_text = QLabel(msg)
main_text.setWordWrap(True)
logo = QLabel()
logo.setPixmap(QPixmap(":icons/seed.png").scaledToWidth(56))
if parent:
app = parent.app
else:
app = QApplication
copy_function = lambda: app.clipboard().setText(brainwallet)
copy_button = QPushButton(_("Copy to Clipboard"))
copy_button.clicked.connect(copy_function)
show_qr_function = lambda: ElectrumWindow.show_qrcode(_("Seed"), seed)
qr_button = QPushButton(_("View as QR Code"))
qr_button.clicked.connect(show_qr_function)
ok_button = QPushButton(_("OK"))
ok_button.setDefault(True)
ok_button.clicked.connect(dialog.accept)
main_layout = QGridLayout()
main_layout.addWidget(logo, 0, 0)
main_layout.addWidget(main_text, 0, 1, 1, -1)
main_layout.addWidget(copy_button, 1, 1)
main_layout.addWidget(qr_button, 1, 2)
main_layout.addWidget(ok_button, 1, 3)
dialog.setLayout(main_layout)
dialog.exec_()
@staticmethod
def show_qrcode(title, data):
if not data: return
d = QDialog(None)
d.setModal(1)
d.setWindowTitle(title)
d.setMinimumSize(270, 300)
vbox = QVBoxLayout()
qrw = QRCodeWidget(data)
vbox.addWidget(qrw, 1)
vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
hbox = QHBoxLayout()
hbox.addStretch(1)
def print_qr(self):
filename = "qrcode.bmp"
bmp.save_qrcode(qrw.qr, filename)
QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
b = QPushButton(_("Print"))
hbox.addWidget(b)
b.clicked.connect(print_qr)
b = QPushButton(_("Close"))
hbox.addWidget(b)
b.clicked.connect(d.accept)
vbox.addLayout(hbox)
d.setLayout(vbox)
d.exec_()
def sign_message(self,address):
if not address: return
d = QDialog(self)
d.setModal(1)
d.setWindowTitle('Sign Message')
d.setMinimumSize(410, 290)
tab_widget = QTabWidget()
tab = QWidget()
layout = QGridLayout(tab)
sign_address = QLineEdit()
sign_address.setText(address)
layout.addWidget(QLabel(_('Address')), 1, 0)
layout.addWidget(sign_address, 1, 1)
sign_message = QTextEdit()
layout.addWidget(QLabel(_('Message')), 2, 0)
layout.addWidget(sign_message, 2, 1)
layout.setRowStretch(2,3)
sign_signature = QTextEdit()
layout.addWidget(QLabel(_('Signature')), 3, 0)
layout.addWidget(sign_signature, 3, 1)
layout.setRowStretch(3,1)
def do_sign():
if self.wallet.use_encryption:
password = self.password_dialog()
if not password:
return
else:
password = None
try:
signature = self.wallet.sign_message(str(sign_address.text()), str(sign_message.toPlainText()), password)
sign_signature.setText(signature)
except BaseException, e:
self.show_message(str(e))
return
hbox = QHBoxLayout()
b = QPushButton(_("Sign"))
hbox.addWidget(b)
b.clicked.connect(do_sign)
b = QPushButton(_("Close"))
b.clicked.connect(d.accept)
hbox.addWidget(b)
layout.addLayout(hbox, 4, 1)
tab_widget.addTab(tab, "Sign")
tab = QWidget()
layout = QGridLayout(tab)
verify_address = QLineEdit()
layout.addWidget(QLabel(_('Address')), 1, 0)
layout.addWidget(verify_address, 1, 1)
verify_message = QTextEdit()
layout.addWidget(QLabel(_('Message')), 2, 0)
layout.addWidget(verify_message, 2, 1)
layout.setRowStretch(2,3)
verify_signature = QTextEdit()
layout.addWidget(QLabel(_('Signature')), 3, 0)
layout.addWidget(verify_signature, 3, 1)
layout.setRowStretch(3,1)
def do_verify():
try:
self.wallet.verify_message(verify_address.text(), str(verify_signature.toPlainText()), str(verify_message.toPlainText()))
self.show_message("Signature verified")
except BaseException, e:
self.show_message(str(e))
return
hbox = QHBoxLayout()
b = QPushButton(_("Verify"))
b.clicked.connect(do_verify)
hbox.addWidget(b)
b = QPushButton(_("Close"))
b.clicked.connect(d.accept)
hbox.addWidget(b)
layout.addLayout(hbox, 4, 1)
tab_widget.addTab(tab, "Verify")
vbox = QVBoxLayout()
vbox.addWidget(tab_widget)
d.setLayout(vbox)
d.exec_()
def toggle_QR_window(self, show):
if show and not self.qr_window:
self.qr_window = QR_Window()
self.qr_window.setVisible(True)
self.qr_window_geometry = self.qr_window.geometry()
item = self.receive_list.currentItem()
if item:
address = str(item.text(1))
label = self.wallet.labels.get(address)
amount = self.wallet.requested_amounts.get(address)
self.qr_window.set_content( address, label, amount )
elif show and self.qr_window and not self.qr_window.isVisible():
self.qr_window.setVisible(True)
self.qr_window.setGeometry(self.qr_window_geometry)
elif not show and self.qr_window and self.qr_window.isVisible():
self.qr_window_geometry = self.qr_window.geometry()
self.qr_window.setVisible(False)
#self.print_button.setHidden(self.qr_window is None or not self.qr_window.isVisible())
self.receive_list.setColumnHidden(3, self.qr_window is None or not self.qr_window.isVisible())
self.receive_list.setColumnWidth(2, 200)
def question(self, msg):
return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
def show_message(self, msg):
QMessageBox.information(self, _('Message'), msg, _('OK'))
def password_dialog(self ):
d = QDialog(self)
d.setModal(1)
pw = QLineEdit()
pw.setEchoMode(2)
vbox = QVBoxLayout()
msg = _('Please enter your password')
vbox.addWidget(QLabel(msg))
grid = QGridLayout()
grid.setSpacing(8)
grid.addWidget(QLabel(_('Password')), 1, 0)
grid.addWidget(pw, 1, 1)
vbox.addLayout(grid)
vbox.addLayout(ok_cancel_buttons(d))
d.setLayout(vbox)
if not d.exec_(): return
return unicode(pw.text())
@staticmethod
def change_password_dialog( wallet, parent=None ):
if not wallet.seed:
QMessageBox.information(parent, _('Error'), _('No seed'), _('OK'))
return
d = QDialog(parent)
d.setModal(1)
pw = QLineEdit()
pw.setEchoMode(2)
new_pw = QLineEdit()
new_pw.setEchoMode(2)
conf_pw = QLineEdit()
conf_pw.setEchoMode(2)
vbox = QVBoxLayout()
if parent:
msg = (_('Your wallet is encrypted. Use this dialog to change your password.')+'\n'\
+_('To disable wallet encryption, enter an empty new password.')) \
if wallet.use_encryption else _('Your wallet keys are not encrypted')
else:
msg = _("Please choose a password to encrypt your wallet keys.")+'\n'\
+_("Leave these fields empty if you want to disable encryption.")
vbox.addWidget(QLabel(msg))
grid = QGridLayout()
grid.setSpacing(8)
if wallet.use_encryption:
grid.addWidget(QLabel(_('Password')), 1, 0)
grid.addWidget(pw, 1, 1)
grid.addWidget(QLabel(_('New Password')), 2, 0)
grid.addWidget(new_pw, 2, 1)
grid.addWidget(QLabel(_('Confirm Password')), 3, 0)
grid.addWidget(conf_pw, 3, 1)
vbox.addLayout(grid)
vbox.addLayout(ok_cancel_buttons(d))
d.setLayout(vbox)
if not d.exec_(): return
password = unicode(pw.text()) if wallet.use_encryption else None
new_password = unicode(new_pw.text())
new_password2 = unicode(conf_pw.text())
try:
seed = wallet.decode_seed(password)
except:
QMessageBox.warning(parent, _('Error'), _('Incorrect Password'), _('OK'))
return
if new_password != new_password2:
QMessageBox.warning(parent, _('Error'), _('Passwords do not match'), _('OK'))
return ElectrumWindow.change_password_dialog(wallet, parent) # Retry
wallet.update_password(seed, password, new_password)
@staticmethod
def seed_dialog(wallet, parent=None):
d = QDialog(parent)
d.setModal(1)
vbox = QVBoxLayout()
msg = _("Please enter your wallet seed or the corresponding mnemonic list of words, and the gap limit of your wallet.")
vbox.addWidget(QLabel(msg))
grid = QGridLayout()
grid.setSpacing(8)
seed_e = QLineEdit()
grid.addWidget(QLabel(_('Seed or mnemonic')), 1, 0)
grid.addWidget(seed_e, 1, 1)
gap_e = QLineEdit()
gap_e.setText("5")
grid.addWidget(QLabel(_('Gap limit')), 2, 0)
grid.addWidget(gap_e, 2, 1)
gap_e.textChanged.connect(lambda: numbify(gap_e,True))
vbox.addLayout(grid)
vbox.addLayout(ok_cancel_buttons(d))
d.setLayout(vbox)
if not d.exec_(): return
try:
gap = int(unicode(gap_e.text()))
except:
QMessageBox.warning(None, _('Error'), 'error', 'OK')
sys.exit(0)
try:
seed = unicode(seed_e.text())
seed.decode('hex')
except:
print_error("Warning: Not hex, trying decode")
try:
seed = mnemonic.mn_decode( seed.split(' ') )
except:
QMessageBox.warning(None, _('Error'), _('I cannot decode this'), _('OK'))
sys.exit(0)
if not seed:
QMessageBox.warning(None, _('Error'), _('No seed'), 'OK')
sys.exit(0)
wallet.seed = str(seed)
#print repr(wallet.seed)
wallet.gap_limit = gap
return True
def do_import_labels(self):
labelsFile = QFileDialog.getOpenFileName(QWidget(), "Open text file", util.user_dir(), self.tr("Text Files (labels.dat)"))
if not labelsFile: return
try:
f = open(labelsFile, 'r')
data = f.read()
f.close()
self.wallet.labels = json.loads(data)
self.wallet.save()
QMessageBox.information(None, "Labels imported", "Your labels where imported from '%s'" % str(labelsFile))
except (IOError, os.error), reason:
QMessageBox.critical(None, "Unable to export labels", "Electrum was unable to export your labels.\n" + str(reason))
def do_export_labels(self):
labels = self.wallet.labels
try:
labelsFile = util.user_dir() + '/labels.dat'
f = open(labelsFile, 'w+')
json.dump(labels, f)
f.close()
QMessageBox.information(None, "Labels exported", "Your labels where exported to '%s'" % str(labelsFile))
except (IOError, os.error), reason:
QMessageBox.critical(None, "Unable to export labels", "Electrum was unable to export your labels.\n" + str(reason))
def do_export_history(self):
from gui_lite import csv_transaction
csv_transaction(self.wallet)
def do_import_privkey(self):
if not self.wallet.imported_keys:
r = QMessageBox.question(None, _('Warning'), _('Warning: Imported keys are not recoverable from seed.') + ' ' \
+ _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '\n\n' \
+ _('Are you sure you understand what you are doing?'), 3, 4)
if r == 4: return
text, ok = QInputDialog.getText(self, _('Import private key'), _('Private Key') + ':')
if not ok: return
sec = str(text)
if self.wallet.use_encryption:
password = self.password_dialog()
if not password:
return
else:
password = None
try:
addr = self.wallet.import_key(sec, password)
if not addr:
QMessageBox.critical(None, "Unable to import key", "error")
else:
QMessageBox.information(None, "Key imported", addr)
self.update_receive_tab()
self.update_history_tab()
except BaseException as e:
QMessageBox.critical(None, "Unable to import key", str(e))
def settings_dialog(self):
d = QDialog(self)
d.setWindowTitle(_('Electrum Settings'))
d.setModal(1)
vbox = QVBoxLayout()
tabs = QTabWidget(self)
vbox.addWidget(tabs)
tab1 = QWidget()
grid_ui = QGridLayout(tab1)
grid_ui.setColumnStretch(0,1)
tabs.addTab(tab1, _('Display') )
nz_label = QLabel(_('Display zeros'))
grid_ui.addWidget(nz_label, 3, 0)
nz_e = QLineEdit()
nz_e.setText("%d"% self.wallet.num_zeros)
grid_ui.addWidget(nz_e, 3, 1)
msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
grid_ui.addWidget(HelpButton(msg), 3, 2)
nz_e.textChanged.connect(lambda: numbify(nz_e,True))
if not self.config.is_modifiable('num_zeros'):
for w in [nz_e, nz_label]: w.setEnabled(False)
gui_label=QLabel(_('Default GUI') + ':')
grid_ui.addWidget(gui_label , 7, 0)
gui_combo = QComboBox()
gui_combo.addItems(['Lite', 'Classic'])
index = gui_combo.findText(self.config.get("gui","classic").capitalize())
if index==-1: index = 1
gui_combo.setCurrentIndex(index)
grid_ui.addWidget(gui_combo, 7, 1)
grid_ui.addWidget(HelpButton(_('Select which GUI mode to use at start up.'+'\n'+'Note: use the command line to access the "text" and "gtk" GUIs')), 7, 2)
if not self.config.is_modifiable('gui'):
for w in [gui_combo, gui_label]: w.setEnabled(False)
lang_label=QLabel(_('Language') + ':')
grid_ui.addWidget(lang_label , 8, 0)
lang_combo = QComboBox()
from i18n import languages
lang_combo.addItems(languages.values())
try:
index = languages.keys().index(self.config.get("language",''))
except:
index = 0
lang_combo.setCurrentIndex(index)
grid_ui.addWidget(lang_combo, 8, 1)
grid_ui.addWidget(HelpButton(_('Select which language is used in the GUI (after restart). ')), 8, 2)
if not self.config.is_modifiable('language'):
for w in [lang_combo, lang_label]: w.setEnabled(False)
currencies = self.exchanger.get_currencies()
currencies.insert(0, "None")
cur_label=QLabel(_('Currency') + ':')
grid_ui.addWidget(cur_label , 9, 0)
cur_combo = QComboBox()
cur_combo.addItems(currencies)
try:
index = currencies.index(self.config.get('currency', "None"))
except:
index = 0
cur_combo.setCurrentIndex(index)
grid_ui.addWidget(cur_combo, 9, 1)
grid_ui.addWidget(HelpButton(_('Select which currency is used for quotes. ')), 9, 2)
view_label=QLabel(_('Receive Tab') + ':')
grid_ui.addWidget(view_label , 10, 0)
view_combo = QComboBox()
view_combo.addItems([_('Simple'), _('Advanced'), _('Point of Sale')])
view_combo.setCurrentIndex(self.receive_tab_mode)
grid_ui.addWidget(view_combo, 10, 1)
hh = _('This selects the interaction mode of the "Receive" tab. ') + '\n\n' \
+ _('Simple') + ': ' + _('Show only addresses and labels.') + '\n\n' \
+ _('Advanced') + ': ' + _('Show address balances and add extra menu items to freeze/prioritize addresses.') + '\n\n' \
+ _('Point of Sale') + ': ' + _('Show QR code window and amounts requested for each address. Add menu item to request amount.') + '\n\n'
grid_ui.addWidget(HelpButton(hh), 10, 2)
# wallet tab
tab2 = QWidget()
grid_wallet = QGridLayout(tab2)
grid_wallet.setColumnStretch(0,1)
tabs.addTab(tab2, _('Wallet') )
fee_label = QLabel(_('Transaction fee'))
grid_wallet.addWidget(fee_label, 0, 0)
fee_e = QLineEdit()
fee_e.setText("%s"% str( Decimal( self.wallet.fee)/100000000 ) )
grid_wallet.addWidget(fee_e, 0, 1)
msg = _('Fee per transaction input. Transactions involving multiple inputs tend to require a higher fee.') + ' ' \
+ _('Recommended value') + ': 0.001'
grid_wallet.addWidget(HelpButton(msg), 0, 2)
fee_e.textChanged.connect(lambda: numbify(fee_e,False))
if not self.config.is_modifiable('fee'):
for w in [fee_e, fee_label]: w.setEnabled(False)
usechange_label = QLabel(_('Use change addresses'))
grid_wallet.addWidget(usechange_label, 1, 0)
usechange_combo = QComboBox()
usechange_combo.addItems(['Yes', 'No'])
usechange_combo.setCurrentIndex(not self.wallet.use_change)
grid_wallet.addWidget(usechange_combo, 1, 1)
grid_wallet.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions. ')), 1, 2)
if not self.config.is_modifiable('use_change'): usechange_combo.setEnabled(False)
gap_label = QLabel(_('Gap limit'))
grid_wallet.addWidget(gap_label, 2, 0)
gap_e = QLineEdit()
gap_e.setText("%d"% self.wallet.gap_limit)
grid_wallet.addWidget(gap_e, 2, 1)
msg = _('The gap limit is the maximal number of contiguous unused addresses in your sequence of receiving addresses.') + '\n' \
+ _('You may increase it if you need more receiving addresses.') + '\n\n' \
+ _('Your current gap limit is') + ': %d'%self.wallet.gap_limit + '\n' \
+ _('Given the current status of your address sequence, the minimum gap limit you can use is: ') + '%d'%self.wallet.min_acceptable_gap() + '\n\n' \
+ _('Warning') + ': ' \
+ _('The gap limit parameter must be provided in order to recover your wallet from seed.') + ' ' \
+ _('Do not modify it if you do not understand what you are doing, or if you expect to recover your wallet without knowing it!') + '\n\n'
grid_wallet.addWidget(HelpButton(msg), 2, 2)
gap_e.textChanged.connect(lambda: numbify(nz_e,True))
if not self.config.is_modifiable('gap_limit'):
for w in [gap_e, gap_label]: w.setEnabled(False)
grid_wallet.setRowStretch(3,1)
# wallet tab
tab3 = QWidget()
grid_io = QGridLayout(tab3)
grid_io.setColumnStretch(0,1)
tabs.addTab(tab3, _('Import/Export') )
grid_io.addWidget(QLabel(_('Labels')), 1, 0)
grid_io.addWidget(EnterButton(_("Export"), self.do_export_labels), 1, 1)
grid_io.addWidget(EnterButton(_("Import"), self.do_import_labels), 1, 2)
grid_io.addWidget(HelpButton('Export your labels as json'), 1, 3)
grid_io.addWidget(QLabel(_('History')), 2, 0)
grid_io.addWidget(EnterButton(_("Export"), self.do_export_history), 2, 1)
grid_io.addWidget(HelpButton('Export your transaction history as csv'), 2, 3)
grid_io.addWidget(QLabel(_('Private key')), 3, 0)
grid_io.addWidget(EnterButton(_("Import"), self.do_import_privkey), 3, 2)
grid_io.addWidget(HelpButton('Import private key'), 3, 3)
grid_io.setRowStretch(4,1)
vbox.addLayout(ok_cancel_buttons(d))
d.setLayout(vbox)
# run the dialog
if not d.exec_(): return
fee = unicode(fee_e.text())
try:
fee = int( 100000000 * Decimal(fee) )
except:
QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
return
if self.wallet.fee != fee:
self.wallet.fee = fee
self.wallet.save()
nz = unicode(nz_e.text())
try:
nz = int( nz )
if nz>8: nz=8
except:
QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
return
if self.wallet.num_zeros != nz:
self.wallet.num_zeros = nz
self.config.set_key('num_zeros', nz, True)
self.update_history_tab()
self.update_receive_tab()
usechange_result = usechange_combo.currentIndex() == 0
if self.wallet.use_change != usechange_result:
self.wallet.use_change = usechange_result
self.config.set_key('use_change', self.wallet.use_change, True)
try:
n = int(gap_e.text())
except:
QMessageBox.warning(self, _('Error'), _('Invalid value'), _('OK'))
return
if self.wallet.gap_limit != n:
r = self.wallet.change_gap_limit(n)
if r:
self.update_receive_tab()
self.config.set_key('gap_limit', self.wallet.gap_limit, True)
else:
QMessageBox.warning(self, _('Error'), _('Invalid value'), _('OK'))
need_restart = False
gui_request = str(gui_combo.currentText()).lower()
if gui_request != self.config.get('gui'):
self.config.set_key('gui', gui_request, True)
need_restart = True
lang_request = languages.keys()[lang_combo.currentIndex()]
if lang_request != self.config.get('language'):
self.config.set_key("language", lang_request, True)
need_restart = True
cur_request = str(currencies[cur_combo.currentIndex()])
if cur_request != self.config.get('currency', "None"):
self.config.set_key('currency', cur_request, True)
self.update_wallet()
if need_restart:
QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
self.receive_tab_set_mode(view_combo.currentIndex())
@staticmethod
def network_dialog(wallet, parent=None):
interface = wallet.interface
if parent:
if interface.is_connected:
status = _("Connected to")+" %s\n%d blocks"%(interface.host, wallet.verifier.height)
else:
status = _("Not connected")
server = interface.server
else:
import random
status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.")
server = interface.server
plist, servers_list = interface.get_servers_list()
d = QDialog(parent)
d.setModal(1)
d.setWindowTitle(_('Server'))
d.setMinimumSize(375, 20)
vbox = QVBoxLayout()
vbox.setSpacing(30)
hbox = QHBoxLayout()
l = QLabel()
l.setPixmap(QPixmap(":icons/network.png"))
hbox.addStretch(10)
hbox.addWidget(l)
hbox.addWidget(QLabel(status))
hbox.addStretch(50)
vbox.addLayout(hbox)
# grid layout
grid = QGridLayout()
grid.setSpacing(8)
vbox.addLayout(grid)
# server
server_protocol = QComboBox()
server_host = QLineEdit()
server_host.setFixedWidth(200)
server_port = QLineEdit()
server_port.setFixedWidth(60)
protocol_names = ['TCP', 'HTTP', 'TCP/SSL', 'HTTPS']
protocol_letters = 'thsg'
DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
server_protocol.addItems(protocol_names)
grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
grid.addWidget(server_protocol, 0, 1)
grid.addWidget(server_host, 0, 2)
grid.addWidget(server_port, 0, 3)
def change_protocol(p):
protocol = protocol_letters[p]
host = unicode(server_host.text())
pp = plist.get(host,DEFAULT_PORTS)
if protocol not in pp.keys():
protocol = pp.keys()[0]
port = pp[protocol]
server_host.setText( host )
server_port.setText( port )
server_protocol.connect(server_protocol, SIGNAL('currentIndexChanged(int)'), change_protocol)
label = _('Active Servers') if wallet.interface.servers else _('Default Servers')
servers_list_widget = QTreeWidget(parent)
servers_list_widget.setHeaderLabels( [ label, _('Type') ] )
servers_list_widget.setMaximumHeight(150)
servers_list_widget.setColumnWidth(0, 240)
for _host in servers_list.keys():
_type = 'P' if servers_list[_host].get('pruning') else 'F'
servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, _type ] ))
def change_server(host, protocol=None):
pp = plist.get(host,DEFAULT_PORTS)
if protocol:
port = pp.get(protocol)
if not port: protocol = None
if not protocol:
if 't' in pp.keys():
protocol = 't'
port = pp.get(protocol)
else:
protocol = pp.keys()[0]
port = pp.get(protocol)
server_host.setText( host )
server_port.setText( port )
server_protocol.setCurrentIndex(protocol_letters.index(protocol))
if not plist: return
for p in protocol_letters:
i = protocol_letters.index(p)
j = server_protocol.model().index(i,0)
if p not in pp.keys():
server_protocol.model().setData(j, QtCore.QVariant(0), QtCore.Qt.UserRole-1)
else:
server_protocol.model().setData(j, QtCore.QVariant(0,False), QtCore.Qt.UserRole-1)
if server:
host, port, protocol = server.split(':')
change_server(host,protocol)
servers_list_widget.connect(servers_list_widget, SIGNAL('itemClicked(QTreeWidgetItem*, int)'), lambda x: change_server(unicode(x.text(0))))
grid.addWidget(servers_list_widget, 1, 1, 1, 3)
if not wallet.config.is_modifiable('server'):
for w in [server_host, server_port, server_protocol, servers_list_widget]: w.setEnabled(False)
# auto cycle
autocycle_cb = QCheckBox('Try random servers if disconnected')
autocycle_cb.setChecked(wallet.config.get('auto_cycle', False))
grid.addWidget(autocycle_cb, 3, 1, 3, 2)
if not wallet.config.is_modifiable('auto_cycle'): autocycle_cb.setEnabled(False)
# proxy setting
proxy_mode = QComboBox()
proxy_host = QLineEdit()
proxy_host.setFixedWidth(200)
proxy_port = QLineEdit()
proxy_port.setFixedWidth(60)
proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
def check_for_disable(index = False):
if proxy_mode.currentText() != 'NONE':
proxy_host.setEnabled(True)
proxy_port.setEnabled(True)
else:
proxy_host.setEnabled(False)
proxy_port.setEnabled(False)
check_for_disable()
proxy_mode.connect(proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
if not wallet.config.is_modifiable('proxy'):
for w in [proxy_host, proxy_port, proxy_mode]: w.setEnabled(False)
proxy_config = interface.proxy if interface.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
proxy_mode.setCurrentIndex(proxy_mode.findText(str(proxy_config.get("mode").upper())))
proxy_host.setText(proxy_config.get("host"))
proxy_port.setText(proxy_config.get("port"))
grid.addWidget(QLabel(_('Proxy') + ':'), 2, 0)
grid.addWidget(proxy_mode, 2, 1)
grid.addWidget(proxy_host, 2, 2)
grid.addWidget(proxy_port, 2, 3)
# buttons
vbox.addLayout(ok_cancel_buttons(d))
d.setLayout(vbox)
if not d.exec_(): return
server = unicode( server_host.text() ) + ':' + unicode( server_port.text() ) + ':' + (protocol_letters[server_protocol.currentIndex()])
if proxy_mode.currentText() != 'NONE':
proxy = { u'mode':unicode(proxy_mode.currentText()).lower(), u'host':unicode(proxy_host.text()), u'port':unicode(proxy_port.text()) }
else:
proxy = None
wallet.config.set_key("proxy", proxy, True)
wallet.config.set_key("server", server, True)
interface.set_server(server, proxy)
wallet.config.set_key('auto_cycle', autocycle_cb.isChecked(), True)
return True
def closeEvent(self, event):
g = self.geometry()
self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()], True)
event.accept()
class ElectrumGui:
def __init__(self, wallet, config, app=None):
self.wallet = wallet
self.config = config
if app is None:
self.app = QApplication(sys.argv)
def restore_or_create(self):
msg = _("Wallet file not found.")+"\n"+_("Do you want to create a new wallet, or to restore an existing one?")
r = QMessageBox.question(None, _('Message'), msg, _('Create'), _('Restore'), _('Cancel'), 0, 2)
if r==2: return None
return 'restore' if r==1 else 'create'
def seed_dialog(self):
return ElectrumWindow.seed_dialog( self.wallet )
def network_dialog(self):
return ElectrumWindow.network_dialog( self.wallet, parent=None )
def show_seed(self):
ElectrumWindow.show_seed_dialog(self.wallet)
def password_dialog(self):
ElectrumWindow.change_password_dialog(self.wallet)
def restore_wallet(self):
wallet = self.wallet
# wait until we are connected, because the user might have selected another server
if not wallet.interface.is_connected:
waiting = lambda: False if wallet.interface.is_connected else "connecting...\n"
waiting_dialog(waiting)
waiting = lambda: False if wallet.is_up_to_date() else "Please wait...\nAddresses generated: %d\nKilobytes received: %.1f"\
%(len(wallet.all_addresses()), wallet.interface.bytes_received/1024.)
wallet.set_up_to_date(False)
wallet.interface.poke('synchronizer')
waiting_dialog(waiting)
if wallet.is_found():
print_error( "Recovery successful" )
else:
QMessageBox.information(None, _('Error'), _("No transactions found for this seed"), _('OK'))
return True
def main(self,url):
s = Timer()
s.start()
w = ElectrumWindow(self.wallet, self.config)
if url: w.set_url(url)
w.app = self.app
w.connect_slots(s)
w.update_wallet()
w.show()
self.app.exec_()