gui/qt/main_window.py

   1 #!/usr/bin/env python
   2 #
   3 # Electrum - lightweight Bitcoin client
   4 # Copyright (C) 2012 thomasv@gitorious
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
  18
  19 import sys, time, datetime, re, threading
  20 from electrum.i18n import _, set_language
  21 from electrum.util import print_error, print_msg
  22 import os.path, json, ast, traceback
  23 import shutil
  24 import StringIO
  25
  26
  27 import PyQt4
  28 from PyQt4.QtGui import *
  29 from PyQt4.QtCore import *
  30 import PyQt4.QtCore as QtCore
  31
  32 from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
  33 from electrum.plugins import run_hook
  34
  35 import icons_rc
  36
  37 from electrum.wallet import format_satoshis
  38 from electrum import Transaction
  39 from electrum import mnemonic
  40 from electrum import util, bitcoin, commands, Interface, Wallet
  41 from electrum import SimpleConfig, Wallet, WalletStorage
  42
  43
  44 from electrum import bmp, pyqrnative
  45
  46 from amountedit import AmountEdit
  47 from network_dialog import NetworkDialog
  48 from qrcodewidget import QRCodeWidget
  49
  50 from decimal import Decimal
  51
  52 import platform
  53 import httplib
  54 import socket
  55 import webbrowser
  56 import csv
  57
  58 if platform.system() == 'Windows':
  59     MONOSPACE_FONT = 'Lucida Console'
  60 elif platform.system() == 'Darwin':
  61     MONOSPACE_FONT = 'Monaco'
  62 else:
  63     MONOSPACE_FONT = 'monospace'
  64
  65 from electrum import ELECTRUM_VERSION
  66 import re
  67
  68 from util import *
  69
  70
  71
  72
  73
  74
  75 class StatusBarButton(QPushButton):
  76     def __init__(self, icon, tooltip, func):
  77         QPushButton.__init__(self, icon, '')
  78         self.setToolTip(tooltip)
  79         self.setFlat(True)
  80         self.setMaximumWidth(25)
  81         self.clicked.connect(func)
  82         self.func = func
  83         self.setIconSize(QSize(25,25))
  84
  85     def keyPressEvent(self, e):
  86         if e.key() == QtCore.Qt.Key_Return:
  87             apply(self.func,())
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98 default_column_widths = { "history":[40,140,350,140], "contacts":[350,330], "receive": [370,200,130] }
  99
 100 class ElectrumWindow(QMainWindow):
 101     def changeEvent(self, event):
 102         flags = self.windowFlags();
 103         if event and event.type() == QtCore.QEvent.WindowStateChange:
 104             if self.windowState() & QtCore.Qt.WindowMinimized:
 105                 self.build_menu(True)
 106                 # The only way to toggle the icon in the window managers taskbar is to use the Qt.Tooltip flag
 107                 # The problem is that it somehow creates an (in)visible window that will stay active and prevent
 108                 # Electrum from closing.
 109                 # As for now I have no clue how to implement a proper 'hide to tray' functionality.
 110                 # self.setWindowFlags(flags & ~Qt.ToolTip)
 111             elif event.oldState() & QtCore.Qt.WindowMinimized:
 112                 self.build_menu(False)
 113                 #self.setWindowFlags(flags | Qt.ToolTip)
 114
 115     def build_menu(self, is_hidden = False):
 116         m = QMenu()
 117         if self.isMinimized():
 118             m.addAction(_("Show"), self.showNormal)
 119         else:
 120             m.addAction(_("Hide"), self.showMinimized)
 121
 122         m.addSeparator()
 123         m.addAction(_("Exit Electrum"), self.close)
 124         self.tray.setContextMenu(m)
 125
 126     def tray_activated(self, reason):
 127         if reason == QSystemTrayIcon.DoubleClick:
 128             self.showNormal()
 129
 130     def showNormal(self):
 131         self.setWindowState(self.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
 132
 133     def __init__(self, config, network):
 134         QMainWindow.__init__(self)
 135
 136         self.config = config
 137         self.network = network
 138
 139         self._close_electrum = False
 140         self.lite = None
 141
 142         if sys.platform == 'darwin':
 143           self.icon = QIcon(":icons/electrum_dark_icon.png")
 144           #self.icon = QIcon(":icons/lock.png")
 145         else:
 146           self.icon = QIcon(':icons/electrum_light_icon.png')
 147
 148         self.tray = QSystemTrayIcon(self.icon, self)
 149         self.tray.setToolTip('Electrum')
 150         self.tray.activated.connect(self.tray_activated)
 151
 152         self.build_menu()
 153         self.tray.show()
 154         self.create_status_bar()
 155
 156         self.need_update = threading.Event()
 157
 158         self.decimal_point = config.get('decimal_point', 8)
 159         self.num_zeros     = int(config.get('num_zeros',0))
 160
 161         set_language(config.get('language'))
 162
 163         self.funds_error = False
 164         self.completions = QStringListModel()
 165
 166         self.tabs = tabs = QTabWidget(self)
 167         self.column_widths = self.config.get("column_widths_2", default_column_widths )
 168         tabs.addTab(self.create_history_tab(), _('History') )
 169         tabs.addTab(self.create_send_tab(), _('Send') )
 170         tabs.addTab(self.create_receive_tab(), _('Receive') )
 171         tabs.addTab(self.create_contacts_tab(), _('Contacts') )
 172         tabs.addTab(self.create_console_tab(), _('Console') )
 173         tabs.setMinimumSize(600, 400)
 174         tabs.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
 175         self.setCentralWidget(tabs)
 176
 177         g = self.config.get("winpos-qt",[100, 100, 840, 400])
 178         self.setGeometry(g[0], g[1], g[2], g[3])
 179
 180         self.setWindowIcon(QIcon(":icons/electrum.png"))
 181         self.init_menubar()
 182
 183         QShortcut(QKeySequence("Ctrl+W"), self, self.close)
 184         QShortcut(QKeySequence("Ctrl+R"), self, self.update_wallet)
 185         QShortcut(QKeySequence("Ctrl+Q"), self, self.close)
 186         QShortcut(QKeySequence("Ctrl+PgUp"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() - 1 )%tabs.count() ))
 187         QShortcut(QKeySequence("Ctrl+PgDown"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() + 1 )%tabs.count() ))
 188
 189         self.connect(self, QtCore.SIGNAL('update_status'), self.update_status)
 190         self.connect(self, QtCore.SIGNAL('banner_signal'), lambda: self.console.showMessage(self.network.banner) )
 191         self.connect(self, QtCore.SIGNAL('transaction_signal'), lambda: self.notify_transactions() )
 192
 193         self.history_list.setFocus(True)
 194
 195         # network callbacks
 196         if self.network:
 197             self.network.register_callback('updated', lambda: self.need_update.set())
 198             self.network.register_callback('banner', lambda: self.emit(QtCore.SIGNAL('banner_signal')))
 199             self.network.register_callback('disconnected', lambda: self.emit(QtCore.SIGNAL('update_status')))
 200             self.network.register_callback('disconnecting', lambda: self.emit(QtCore.SIGNAL('update_status')))
 201             self.network.register_callback('new_transaction', lambda: self.emit(QtCore.SIGNAL('transaction_signal')))
 202
 203             # set initial message
 204             self.console.showMessage(self.network.banner)
 205
 206         self.wallet = None
 207         self.init_lite()
 208
 209
 210     def go_full(self):
 211         self.config.set_key('lite_mode', False, True)
 212         self.mini.hide()
 213         self.show()
 214
 215     def go_lite(self):
 216         self.config.set_key('lite_mode', True, True)
 217         self.hide()
 218         self.mini.show()
 219
 220
 221     def init_lite(self):
 222         import lite_window
 223         if not self.check_qt_version():
 224             if self.config.get('lite_mode') is True:
 225                 msg = "Electrum was unable to load the 'Lite GUI' because it needs Qt version >= 4.7.\nChanging your config to use the 'Classic' GUI"
 226                 QMessageBox.warning(None, "Could not start Lite GUI.", msg)
 227                 self.config.set_key('lite_mode', False, True)
 228                 sys.exit(0)
 229             self.mini = None
 230             self.show()
 231             return
 232
 233         actuator = lite_window.MiniActuator(self)
 234
 235         # Should probably not modify the current path but instead
 236         # change the behaviour of rsrc(...)
 237         old_path = QDir.currentPath()
 238         actuator.load_theme()
 239
 240         self.mini = lite_window.MiniWindow(actuator, self.go_full, self.config)
 241
 242         driver = lite_window.MiniDriver(self, self.mini)
 243
 244         # Reset path back to original value now that loading the GUI
 245         # is completed.
 246         QDir.setCurrent(old_path)
 247
 248         if self.config.get('lite_mode') is True:
 249             self.go_lite()
 250         else:
 251             self.go_full()
 252
 253
 254     def check_qt_version(self):
 255         qtVersion = qVersion()
 256         return int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7
 257
 258
 259     def update_account_selector(self):
 260         # account selector
 261         accounts = self.wallet.get_account_names()
 262         self.account_selector.clear()
 263         if len(accounts) > 1:
 264             self.account_selector.addItems([_("All accounts")] + accounts.values())
 265             self.account_selector.setCurrentIndex(0)
 266             self.account_selector.show()
 267         else:
 268             self.account_selector.hide()
 269
 270
 271     def load_wallet(self, wallet):
 272         import electrum
 273         self.wallet = wallet
 274         self.accounts_expanded = self.wallet.storage.get('accounts_expanded',{})
 275         self.current_account = self.wallet.storage.get("current_account", None)
 276
 277         title = 'Electrum ' + self.wallet.electrum_version + '  -  ' + self.wallet.storage.path
 278         if self.wallet.is_watching_only(): title += ' [%s]' % (_('watching only'))
 279         self.setWindowTitle( title )
 280         self.update_wallet()
 281         # Once GUI has been initialized check if we want to announce something since the callback has been called before the GUI was initialized
 282         self.notify_transactions()
 283         self.update_account_selector()
 284         self.new_account.setEnabled(self.wallet.seed_version>4)
 285         self.update_lock_icon()
 286         self.update_buttons_on_seed()
 287         self.update_console()
 288
 289         run_hook('load_wallet', wallet)
 290
 291
 292     def open_wallet(self):
 293         wallet_folder = self.wallet.storage.path
 294         filename = unicode( QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder) )
 295         if not filename:
 296             return
 297
 298         storage = WalletStorage({'wallet_path': filename})
 299         if not storage.file_exists:
 300             self.show_message("file not found "+ filename)
 301             return
 302
 303         self.wallet.stop_threads()
 304
 305         # create new wallet
 306         wallet = Wallet(storage)
 307         wallet.start_threads(self.network)
 308
 309         self.load_wallet(wallet)
 310
 311
 312
 313     def backup_wallet(self):
 314         import shutil
 315         path = self.wallet.storage.path
 316         wallet_folder = os.path.dirname(path)
 317         filename = unicode( QFileDialog.getSaveFileName(self, _('Enter a filename for the copy of your wallet'), wallet_folder) )
 318         if not filename:
 319             return
 320
 321         new_path = os.path.join(wallet_folder, filename)
 322         if new_path != path:
 323             try:
 324                 shutil.copy2(path, new_path)
 325                 QMessageBox.information(None,"Wallet backup created", _("A copy of your wallet file was created in")+" '%s'" % str(new_path))
 326             except (IOError, os.error), reason:
 327                 QMessageBox.critical(None,"Unable to create backup", _("Electrum was unable to copy your wallet file to the specified location.")+"\n" + str(reason))
 328
 329
 330     def new_wallet(self):
 331         import installwizard
 332
 333         wallet_folder = os.path.dirname(self.wallet.storage.path)
 334         filename = unicode( QFileDialog.getSaveFileName(self, _('Enter a new file name'), wallet_folder) )
 335         if not filename:
 336             return
 337         filename = os.path.join(wallet_folder, filename)
 338
 339         storage = WalletStorage({'wallet_path': filename})
 340         if storage.file_exists:
 341             QMessageBox.critical(None, "Error", _("File exists"))
 342             return
 343
 344         wizard = installwizard.InstallWizard(self.config, self.network, storage)
 345         wallet = wizard.run()
 346         if wallet:
 347             self.load_wallet(wallet)
 348
 349
 350
 351     def init_menubar(self):
 352         menubar = QMenuBar()
 353
 354         file_menu = menubar.addMenu(_("&File"))
 355         open_wallet_action = file_menu.addAction(_("&Open"))
 356         open_wallet_action.triggered.connect(self.open_wallet)
 357
 358         new_wallet_action = file_menu.addAction(_("&Create/Restore"))
 359         new_wallet_action.triggered.connect(self.new_wallet)
 360
 361         wallet_backup = file_menu.addAction(_("&Copy"))
 362         wallet_backup.triggered.connect(self.backup_wallet)
 363
 364         quit_item = file_menu.addAction(_("&Close"))
 365         quit_item.triggered.connect(self.close)
 366
 367         wallet_menu = menubar.addMenu(_("&Wallet"))
 368
 369         new_contact = wallet_menu.addAction(_("&New contact"))
 370         new_contact.triggered.connect(self.new_contact_dialog)
 371
 372         self.new_account = wallet_menu.addAction(_("&New account"))
 373         self.new_account.triggered.connect(self.new_account_dialog)
 374
 375         wallet_menu.addSeparator()
 376
 377         pw = wallet_menu.addAction(_("&Password"))
 378         pw.triggered.connect(self.change_password_dialog)
 379
 380         show_seed = wallet_menu.addAction(_("&Seed"))
 381         show_seed.triggered.connect(self.show_seed_dialog)
 382
 383         show_mpk = wallet_menu.addAction(_("&Master Public Key"))
 384         show_mpk.triggered.connect(self.show_master_public_key)
 385
 386         wallet_menu.addSeparator()
 387
 388         labels_menu = wallet_menu.addMenu(_("&Labels"))
 389         import_labels = labels_menu.addAction(_("&Import"))
 390         import_labels.triggered.connect(self.do_import_labels)
 391         export_labels = labels_menu.addAction(_("&Export"))
 392         export_labels.triggered.connect(self.do_export_labels)
 393
 394         keys_menu = wallet_menu.addMenu(_("&Private keys"))
 395         import_keys = keys_menu.addAction(_("&Import"))
 396         import_keys.triggered.connect(self.do_import_privkey)
 397         export_keys = keys_menu.addAction(_("&Export"))
 398         export_keys.triggered.connect(self.do_export_privkeys)
 399
 400         ex_history = wallet_menu.addAction(_("&Export History"))
 401         ex_history.triggered.connect(self.do_export_history)
 402
 403
 404
 405         tools_menu = menubar.addMenu(_("&Tools"))
 406
 407         # Settings / Preferences are all reserved keywords in OSX using this as work around
 408         preferences_name = _("Electrum preferences") if sys.platform == 'darwin' else _("Preferences")
 409         preferences_menu = tools_menu.addAction(preferences_name)
 410         preferences_menu.triggered.connect(self.settings_dialog)
 411
 412         network = tools_menu.addAction(_("&Network"))
 413         network.triggered.connect(self.run_network_dialog)
 414
 415         plugins_labels = tools_menu.addAction(_("&Plugins"))
 416         plugins_labels.triggered.connect(self.plugins_dialog)
 417
 418         tools_menu.addSeparator()
 419
 420         csv_transaction_menu = tools_menu.addMenu(_("&Create transaction"))
 421
 422         csv_transaction_file = csv_transaction_menu.addAction(_("&From CSV file"))
 423         csv_transaction_file.triggered.connect(self.do_process_from_csv_file)
 424
 425         csv_transaction_text = csv_transaction_menu.addAction(_("&From CSV text"))
 426         csv_transaction_text.triggered.connect(self.do_process_from_csv_text)
 427
 428         raw_transaction_menu = tools_menu.addMenu(_("&Load transaction"))
 429
 430         raw_transaction_file = raw_transaction_menu.addAction(_("&From file"))
 431         raw_transaction_file.triggered.connect(self.do_process_from_file)
 432
 433         raw_transaction_text = raw_transaction_menu.addAction(_("&From text"))
 434         raw_transaction_text.triggered.connect(self.do_process_from_text)
 435
 436
 437         help_menu = menubar.addMenu(_("&Help"))
 438         show_about = help_menu.addAction(_("&About"))
 439         show_about.triggered.connect(self.show_about)
 440         web_open = help_menu.addAction(_("&Official website"))
 441         web_open.triggered.connect(lambda: webbrowser.open("http://electrum.org"))
 442
 443         help_menu.addSeparator()
 444         doc_open = help_menu.addAction(_("&Documentation"))
 445         doc_open.triggered.connect(lambda: webbrowser.open("http://electrum.org/documentation.html"))
 446         report_bug = help_menu.addAction(_("&Report Bug"))
 447         report_bug.triggered.connect(self.show_report_bug)
 448
 449         self.setMenuBar(menubar)
 450
 451     def show_about(self):
 452         QMessageBox.about(self, "Electrum",
 453             _("Version")+" %s" % (self.wallet.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."))
 454
 455     def show_report_bug(self):
 456         QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
 457             _("Please report any bugs as issues on github:")+" <a href=\"https://github.com/spesmilo/electrum/issues\">https://github.com/spesmilo/electrum/issues</a>")
 458
 459
 460     def notify_transactions(self):
 461         if not self.network or not self.network.is_connected():
 462             return
 463
 464         print_error("Notifying GUI")
 465         if len(self.network.interface.pending_transactions_for_notifications) > 0:
 466             # Combine the transactions if there are more then three
 467             tx_amount = len(self.network.interface.pending_transactions_for_notifications)
 468             if(tx_amount >= 3):
 469                 total_amount = 0
 470                 for tx in self.network.interface.pending_transactions_for_notifications:
 471                     is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 472                     if(v > 0):
 473                         total_amount += v
 474
 475                 self.notify(_("%(txs)s new transactions received. Total amount received in the new transactions %(amount)s %(unit)s") \
 476                                 % { 'txs' : tx_amount, 'amount' : self.format_amount(total_amount), 'unit' : self.base_unit()})
 477
 478                 self.network.interface.pending_transactions_for_notifications = []
 479             else:
 480               for tx in self.network.interface.pending_transactions_for_notifications:
 481                   if tx:
 482                       self.network.interface.pending_transactions_for_notifications.remove(tx)
 483                       is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 484                       if(v > 0):
 485                           self.notify(_("New transaction received. %(amount)s %(unit)s") % { 'amount' : self.format_amount(v), 'unit' : self.base_unit()})
 486
 487     def notify(self, message):
 488         self.tray.showMessage("Electrum", message, QSystemTrayIcon.Information, 20000)
 489
 490
 491
 492     # custom wrappers for getOpenFileName and getSaveFileName, that remember the path selected by the user
 493     def getOpenFileName(self, title, filter = ""):
 494         directory = self.config.get('io_dir', os.path.expanduser('~'))
 495         fileName = unicode( QFileDialog.getOpenFileName(self, title, directory, filter) )
 496         if fileName and directory != os.path.dirname(fileName):
 497             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 498         return fileName
 499
 500     def getSaveFileName(self, title, filename, filter = ""):
 501         directory = self.config.get('io_dir', os.path.expanduser('~'))
 502         path = os.path.join( directory, filename )
 503         fileName = unicode( QFileDialog.getSaveFileName(self, title, path, filter) )
 504         if fileName and directory != os.path.dirname(fileName):
 505             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 506         return fileName
 507
 508     def close(self):
 509         QMainWindow.close(self)
 510         run_hook('close_main_window')
 511
 512     def connect_slots(self, sender):
 513         self.connect(sender, QtCore.SIGNAL('timersignal'), self.timer_actions)
 514         self.previous_payto_e=''
 515
 516     def timer_actions(self):
 517         if self.need_update.is_set():
 518             self.update_wallet()
 519             self.need_update.clear()
 520         run_hook('timer_actions')
 521
 522     def format_amount(self, x, is_diff=False, whitespaces=False):
 523         return format_satoshis(x, is_diff, self.num_zeros, self.decimal_point, whitespaces)
 524
 525     def read_amount(self, x):
 526         if x in['.', '']: return None
 527         p = pow(10, self.decimal_point)
 528         return int( p * Decimal(x) )
 529
 530     def base_unit(self):
 531         assert self.decimal_point in [5,8]
 532         return "BTC" if self.decimal_point == 8 else "mBTC"
 533
 534
 535     def update_status(self):
 536         if self.network is None:
 537             text = _("Offline")
 538             icon = QIcon(":icons/status_disconnected.png")
 539
 540         elif self.network.is_connected():
 541             if not self.wallet.up_to_date:
 542                 text = _("Synchronizing...")
 543                 icon = QIcon(":icons/status_waiting.png")
 544             elif self.network.server_lag > 1:
 545                 text = _("Server is lagging (%d blocks)"%self.network.server_lag)
 546                 icon = QIcon(":icons/status_lagging.png")
 547             else:
 548                 c, u = self.wallet.get_account_balance(self.current_account)
 549                 text =  _( "Balance" ) + ": %s "%( self.format_amount(c) ) + self.base_unit()
 550                 if u: text +=  " [%s unconfirmed]"%( self.format_amount(u,True).strip() )
 551
 552                 r = {}
 553                 run_hook('set_quote_text', c+u, r)
 554                 quote = r.get(0)
 555                 if quote:
 556                     text += "  (%s)"%quote
 557
 558                 self.tray.setToolTip(text)
 559                 icon = QIcon(":icons/status_connected.png")
 560         else:
 561             text = _("Not connected")
 562             icon = QIcon(":icons/status_disconnected.png")
 563
 564         self.balance_label.setText(text)
 565         self.status_button.setIcon( icon )
 566
 567
 568     def update_wallet(self):
 569         self.update_status()
 570         if self.wallet.up_to_date or not self.network or not self.network.is_connected():
 571             self.update_history_tab()
 572             self.update_receive_tab()
 573             self.update_contacts_tab()
 574             self.update_completions()
 575
 576
 577     def create_history_tab(self):
 578         self.history_list = l = MyTreeWidget(self)
 579         l.setColumnCount(5)
 580         for i,width in enumerate(self.column_widths['history']):
 581             l.setColumnWidth(i, width)
 582         l.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance')] )
 583         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), self.tx_label_clicked)
 584         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.tx_label_changed)
 585
 586         l.customContextMenuRequested.connect(self.create_history_menu)
 587         return l
 588
 589
 590     def create_history_menu(self, position):
 591         self.history_list.selectedIndexes()
 592         item = self.history_list.currentItem()
 593         if not item: return
 594         tx_hash = str(item.data(0, Qt.UserRole).toString())
 595         if not tx_hash: return
 596         menu = QMenu()
 597         menu.addAction(_("Copy ID to Clipboard"), lambda: self.app.clipboard().setText(tx_hash))
 598         menu.addAction(_("Details"), lambda: self.show_transaction(self.wallet.transactions.get(tx_hash)))
 599         menu.addAction(_("Edit description"), lambda: self.tx_label_clicked(item,2))
 600         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
 601
 602
 603     def show_transaction(self, tx):
 604         import transaction_dialog
 605         d = transaction_dialog.TxDialog(tx, self)
 606         d.exec_()
 607
 608     def tx_label_clicked(self, item, column):
 609         if column==2 and item.isSelected():
 610             self.is_edit=True
 611             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 612             self.history_list.editItem( item, column )
 613             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 614             self.is_edit=False
 615
 616     def tx_label_changed(self, item, column):
 617         if self.is_edit:
 618             return
 619         self.is_edit=True
 620         tx_hash = str(item.data(0, Qt.UserRole).toString())
 621         tx = self.wallet.transactions.get(tx_hash)
 622         text = unicode( item.text(2) )
 623         self.wallet.set_label(tx_hash, text)
 624         if text:
 625             item.setForeground(2, QBrush(QColor('black')))
 626         else:
 627             text = self.wallet.get_default_label(tx_hash)
 628             item.setText(2, text)
 629             item.setForeground(2, QBrush(QColor('gray')))
 630         self.is_edit=False
 631
 632
 633     def edit_label(self, is_recv):
 634         l = self.receive_list if is_recv else self.contacts_list
 635         item = l.currentItem()
 636         item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 637         l.editItem( item, 1 )
 638         item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 639
 640
 641
 642     def address_label_clicked(self, item, column, l, column_addr, column_label):
 643         if column == column_label and item.isSelected():
 644             is_editable = item.data(0, 32).toBool()
 645             if not is_editable:
 646                 return
 647             addr = unicode( item.text(column_addr) )
 648             label = unicode( item.text(column_label) )
 649             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 650             l.editItem( item, column )
 651             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 652
 653
 654     def address_label_changed(self, item, column, l, column_addr, column_label):
 655         if column == column_label:
 656             addr = unicode( item.text(column_addr) )
 657             text = unicode( item.text(column_label) )
 658             is_editable = item.data(0, 32).toBool()
 659             if not is_editable:
 660                 return
 661
 662             changed = self.wallet.set_label(addr, text)
 663             if changed:
 664                 self.update_history_tab()
 665                 self.update_completions()
 666
 667             self.current_item_changed(item)
 668
 669         run_hook('item_changed', item, column)
 670
 671
 672     def current_item_changed(self, a):
 673         run_hook('current_item_changed', a)
 674
 675
 676
 677     def update_history_tab(self):
 678
 679         self.history_list.clear()
 680         for item in self.wallet.get_tx_history(self.current_account):
 681             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
 682             time_str = _("unknown")
 683             if conf > 0:
 684                 try:
 685                     time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
 686                 except Exception:
 687                     time_str = _("error")
 688
 689             if conf == -1:
 690                 time_str = 'unverified'
 691                 icon = QIcon(":icons/unconfirmed.png")
 692             elif conf == 0:
 693                 time_str = 'pending'
 694                 icon = QIcon(":icons/unconfirmed.png")
 695             elif conf < 6:
 696                 icon = QIcon(":icons/clock%d.png"%conf)
 697             else:
 698                 icon = QIcon(":icons/confirmed.png")
 699
 700             if value is not None:
 701                 v_str = self.format_amount(value, True, whitespaces=True)
 702             else:
 703                 v_str = '--'
 704
 705             balance_str = self.format_amount(balance, whitespaces=True)
 706
 707             if tx_hash:
 708                 label, is_default_label = self.wallet.get_label(tx_hash)
 709             else:
 710                 label = _('Pruned transaction outputs')
 711                 is_default_label = False
 712
 713             item = QTreeWidgetItem( [ '', time_str, label, v_str, balance_str] )
 714             item.setFont(2, QFont(MONOSPACE_FONT))
 715             item.setFont(3, QFont(MONOSPACE_FONT))
 716             item.setFont(4, QFont(MONOSPACE_FONT))
 717             if value < 0:
 718                 item.setForeground(3, QBrush(QColor("#BC1E1E")))
 719             if tx_hash:
 720                 item.setData(0, Qt.UserRole, tx_hash)
 721                 item.setToolTip(0, "%d %s\nTxId:%s" % (conf, _('Confirmations'), tx_hash) )
 722             if is_default_label:
 723                 item.setForeground(2, QBrush(QColor('grey')))
 724
 725             item.setIcon(0, icon)
 726             self.history_list.insertTopLevelItem(0,item)
 727
 728
 729         self.history_list.setCurrentItem(self.history_list.topLevelItem(0))
 730
 731
 732     def create_send_tab(self):
 733         w = QWidget()
 734
 735         grid = QGridLayout()
 736         grid.setSpacing(8)
 737         grid.setColumnMinimumWidth(3,300)
 738         grid.setColumnStretch(5,1)
 739
 740
 741         self.payto_e = QLineEdit()
 742         grid.addWidget(QLabel(_('Pay to')), 1, 0)
 743         grid.addWidget(self.payto_e, 1, 1, 1, 3)
 744
 745         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)
 746
 747         completer = QCompleter()
 748         completer.setCaseSensitivity(False)
 749         self.payto_e.setCompleter(completer)
 750         completer.setModel(self.completions)
 751
 752         self.message_e = QLineEdit()
 753         grid.addWidget(QLabel(_('Description')), 2, 0)
 754         grid.addWidget(self.message_e, 2, 1, 1, 3)
 755         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)
 756
 757         self.amount_e = AmountEdit(self.base_unit)
 758         grid.addWidget(QLabel(_('Amount')), 3, 0)
 759         grid.addWidget(self.amount_e, 3, 1, 1, 2)
 760         grid.addWidget(HelpButton(
 761                 _('Amount to be sent.') + '\n\n' \
 762                     + _('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.') \
 763                     + '\n\n' + _('Keyboard shortcut: type "!" to send all your coins.')), 3, 3)
 764
 765         self.fee_e = AmountEdit(self.base_unit)
 766         grid.addWidget(QLabel(_('Fee')), 4, 0)
 767         grid.addWidget(self.fee_e, 4, 1, 1, 2)
 768         grid.addWidget(HelpButton(
 769                 _('Bitcoin transactions are in general not free. A transaction fee is paid by the sender of the funds.') + '\n\n'\
 770                     + _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
 771                     + _('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)
 772
 773
 774         self.send_button = EnterButton(_("Send"), self.do_send)
 775         grid.addWidget(self.send_button, 6, 1)
 776
 777         b = EnterButton(_("Clear"),self.do_clear)
 778         grid.addWidget(b, 6, 2)
 779
 780         self.payto_sig = QLabel('')
 781         grid.addWidget(self.payto_sig, 7, 0, 1, 4)
 782
 783         QShortcut(QKeySequence("Up"), w, w.focusPreviousChild)
 784         QShortcut(QKeySequence("Down"), w, w.focusNextChild)
 785         w.setLayout(grid)
 786
 787         w2 = QWidget()
 788         vbox = QVBoxLayout()
 789         vbox.addWidget(w)
 790         vbox.addStretch(1)
 791         w2.setLayout(vbox)
 792
 793         def entry_changed( is_fee ):
 794             self.funds_error = False
 795
 796             if self.amount_e.is_shortcut:
 797                 self.amount_e.is_shortcut = False
 798                 c, u = self.wallet.get_account_balance(self.current_account)
 799                 inputs, total, fee = self.wallet.choose_tx_inputs_from_account( c + u, 0, self.current_account)
 800                 fee = self.wallet.estimated_fee(inputs)
 801                 amount = total - fee
 802                 self.amount_e.setText( self.format_amount(amount) )
 803                 self.fee_e.setText( self.format_amount( fee ) )
 804                 return
 805
 806             amount = self.read_amount(str(self.amount_e.text()))
 807             fee = self.read_amount(str(self.fee_e.text()))
 808
 809             if not is_fee: fee = None
 810             if amount is None:
 811                 return
 812             inputs, total, fee = self.wallet.choose_tx_inputs_from_account( amount, fee, self.current_account )
 813             if not is_fee:
 814                 self.fee_e.setText( self.format_amount( fee ) )
 815             if inputs:
 816                 palette = QPalette()
 817                 palette.setColor(self.amount_e.foregroundRole(), QColor('black'))
 818                 text = ""
 819             else:
 820                 palette = QPalette()
 821                 palette.setColor(self.amount_e.foregroundRole(), QColor('red'))
 822                 self.funds_error = True
 823                 text = _( "Not enough funds" )
 824                 c, u = self.wallet.get_frozen_balance()
 825                 if c+u: text += ' (' + self.format_amount(c+u).strip() + self.base_unit() + ' ' +_("are frozen") + ')'
 826
 827             self.statusBar().showMessage(text)
 828             self.amount_e.setPalette(palette)
 829             self.fee_e.setPalette(palette)
 830
 831         self.amount_e.textChanged.connect(lambda: entry_changed(False) )
 832         self.fee_e.textChanged.connect(lambda: entry_changed(True) )
 833
 834         run_hook('create_send_tab', grid)
 835         return w2
 836
 837
 838     def update_completions(self):
 839         l = []
 840         for addr,label in self.wallet.labels.items():
 841             if addr in self.wallet.addressbook:
 842                 l.append( label + '  <' + addr + '>')
 843
 844         run_hook('update_completions', l)
 845         self.completions.setStringList(l)
 846
 847
 848     def protected(func):
 849         return lambda s, *args: s.do_protect(func, args)
 850
 851
 852     def do_send(self):
 853
 854         label = unicode( self.message_e.text() )
 855         r = unicode( self.payto_e.text() )
 856         r = r.strip()
 857
 858         # label or alias, with address in brackets
 859         m = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
 860         to_address = m.group(2) if m else r
 861
 862         if not is_valid(to_address):
 863             QMessageBox.warning(self, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
 864             return
 865
 866         try:
 867             amount = self.read_amount(unicode( self.amount_e.text()))
 868         except Exception:
 869             QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 870             return
 871         try:
 872             fee = self.read_amount(unicode( self.fee_e.text()))
 873         except Exception:
 874             QMessageBox.warning(self, _('Error'), _('Invalid Fee'), _('OK'))
 875             return
 876
 877         confirm_amount = self.config.get('confirm_amount', 100000000)
 878         if amount >= confirm_amount:
 879             if not self.question(_("send %(amount)s to %(address)s?")%{ 'amount' : self.format_amount(amount) + ' '+ self.base_unit(), 'address' : to_address}):
 880                 return
 881
 882         self.send_tx(to_address, amount, fee, label)
 883
 884
 885     @protected
 886     def send_tx(self, to_address, amount, fee, label, password):
 887
 888         try:
 889             tx = self.wallet.mktx_from_account( [(to_address, amount)], password, fee, self.current_account)
 890         except Exception as e:
 891             traceback.print_exc(file=sys.stdout)
 892             self.show_message(str(e))
 893             return
 894
 895         if tx.requires_fee(self.wallet.verifier) and fee < MIN_RELAY_TX_FEE:
 896             QMessageBox.warning(self, _('Error'), _("This transaction requires a higher fee, or it will not be propagated by the network."), _('OK'))
 897             return
 898
 899         if label:
 900             self.wallet.set_label(tx.hash(), label)
 901
 902         if tx.is_complete:
 903             h = self.wallet.send_tx(tx)
 904             waiting_dialog(lambda: False if self.wallet.tx_event.isSet() else _("Please wait..."))
 905             status, msg = self.wallet.receive_tx( h )
 906             if status:
 907                 QMessageBox.information(self, '', _('Payment sent.')+'\n'+msg, _('OK'))
 908                 self.do_clear()
 909                 self.update_contacts_tab()
 910             else:
 911                 QMessageBox.warning(self, _('Error'), msg, _('OK'))
 912         else:
 913
 914             self.show_transaction(tx)
 915
 916         # add recipient to addressbook
 917         if to_address not in self.wallet.addressbook and not self.wallet.is_mine(to_address):
 918             self.wallet.addressbook.append(to_address)
 919
 920
 921
 922
 923     def set_url(self, url):
 924         address, amount, label, message, signature, identity, url = util.parse_url(url)
 925
 926         try:
 927             if amount and self.base_unit() == 'mBTC': amount = str( 1000* Decimal(amount))
 928             elif amount: amount = str(Decimal(amount))
 929         except Exception:
 930             amount = "0.0"
 931             QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 932
 933         if self.mini:
 934             self.mini.set_payment_fields(address, amount)
 935
 936         if label and self.wallet.labels.get(address) != label:
 937             if self.question('Give label "%s" to address %s ?'%(label,address)):
 938                 if address not in self.wallet.addressbook and not self.wallet.is_mine(address):
 939                     self.wallet.addressbook.append(address)
 940                 self.wallet.set_label(address, label)
 941
 942         run_hook('set_url', url, self.show_message, self.question)
 943
 944         self.tabs.setCurrentIndex(1)
 945         label = self.wallet.labels.get(address)
 946         m_addr = label + '  <'+ address +'>' if label else address
 947         self.payto_e.setText(m_addr)
 948
 949         self.message_e.setText(message)
 950         if amount:
 951             self.amount_e.setText(amount)
 952
 953         if identity:
 954             self.set_frozen(self.payto_e,True)
 955             self.set_frozen(self.amount_e,True)
 956             self.set_frozen(self.message_e,True)
 957             self.payto_sig.setText( '      '+_('The bitcoin URI was signed by')+' ' + identity )
 958         else:
 959             self.payto_sig.setVisible(False)
 960
 961     def do_clear(self):
 962         self.payto_sig.setVisible(False)
 963         for e in [self.payto_e, self.message_e, self.amount_e, self.fee_e]:
 964             e.setText('')
 965             self.set_frozen(e,False)
 966         self.update_status()
 967
 968     def set_frozen(self,entry,frozen):
 969         if frozen:
 970             entry.setReadOnly(True)
 971             entry.setFrame(False)
 972             palette = QPalette()
 973             palette.setColor(entry.backgroundRole(), QColor('lightgray'))
 974             entry.setPalette(palette)
 975         else:
 976             entry.setReadOnly(False)
 977             entry.setFrame(True)
 978             palette = QPalette()
 979             palette.setColor(entry.backgroundRole(), QColor('white'))
 980             entry.setPalette(palette)
 981
 982
 983     def toggle_freeze(self,addr):
 984         if not addr: return
 985         if addr in self.wallet.frozen_addresses:
 986             self.wallet.unfreeze(addr)
 987         else:
 988             self.wallet.freeze(addr)
 989         self.update_receive_tab()
 990
 991     def toggle_priority(self,addr):
 992         if not addr: return
 993         if addr in self.wallet.prioritized_addresses:
 994             self.wallet.unprioritize(addr)
 995         else:
 996             self.wallet.prioritize(addr)
 997         self.update_receive_tab()
 998
 999
1000     def create_list_tab(self, headers):
1001         "generic tab creation method"
1002         l = MyTreeWidget(self)
1003         l.setColumnCount( len(headers) )
1004         l.setHeaderLabels( headers )
1005
1006         w = QWidget()
1007         vbox = QVBoxLayout()
1008         w.setLayout(vbox)
1009
1010         vbox.setMargin(0)
1011         vbox.setSpacing(0)
1012         vbox.addWidget(l)
1013         buttons = QWidget()
1014         vbox.addWidget(buttons)
1015
1016         hbox = QHBoxLayout()
1017         hbox.setMargin(0)
1018         hbox.setSpacing(0)
1019         buttons.setLayout(hbox)
1020
1021         return l,w,hbox
1022
1023
1024     def create_receive_tab(self):
1025         l,w,hbox = self.create_list_tab([ _('Address'), _('Label'), _('Balance'), _('Tx')])
1026         l.setContextMenuPolicy(Qt.CustomContextMenu)
1027         l.customContextMenuRequested.connect(self.create_receive_menu)
1028         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1029         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1030         self.connect(l, SIGNAL('currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)'), lambda a,b: self.current_item_changed(a))
1031         self.receive_list = l
1032         self.receive_buttons_hbox = hbox
1033         hbox.addStretch(1)
1034         return w
1035
1036
1037
1038
1039     def save_column_widths(self):
1040         self.column_widths["receive"] = []
1041         for i in range(self.receive_list.columnCount() -1):
1042             self.column_widths["receive"].append(self.receive_list.columnWidth(i))
1043
1044         self.column_widths["history"] = []
1045         for i in range(self.history_list.columnCount() - 1):
1046             self.column_widths["history"].append(self.history_list.columnWidth(i))
1047
1048         self.column_widths["contacts"] = []
1049         for i in range(self.contacts_list.columnCount() - 1):
1050             self.column_widths["contacts"].append(self.contacts_list.columnWidth(i))
1051
1052         self.config.set_key("column_widths_2", self.column_widths, True)
1053
1054
1055     def create_contacts_tab(self):
1056         l,w,hbox = self.create_list_tab([_('Address'), _('Label'), _('Tx')])
1057         l.setContextMenuPolicy(Qt.CustomContextMenu)
1058         l.customContextMenuRequested.connect(self.create_contact_menu)
1059         for i,width in enumerate(self.column_widths['contacts']):
1060             l.setColumnWidth(i, width)
1061
1062         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1063         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1064         self.contacts_list = l
1065         self.contacts_buttons_hbox = hbox
1066         hbox.addStretch(1)
1067         return w
1068
1069
1070     def delete_imported_key(self, addr):
1071         if self.question(_("Do you want to remove")+" %s "%addr +_("from your wallet?")):
1072             self.wallet.delete_imported_key(addr)
1073             self.update_receive_tab()
1074             self.update_history_tab()
1075
1076     def edit_account_label(self, k):
1077         text, ok = QInputDialog.getText(self, _('Rename account'), _('Name') + ':', text = self.wallet.labels.get(k,''))
1078         if ok:
1079             label = unicode(text)
1080             self.wallet.set_label(k,label)
1081             self.update_receive_tab()
1082
1083     def account_set_expanded(self, item, k, b):
1084         item.setExpanded(b)
1085         self.accounts_expanded[k] = b
1086
1087     def create_account_menu(self, position, k, item):
1088         menu = QMenu()
1089         if item.isExpanded():
1090             menu.addAction(_("Minimize"), lambda: self.account_set_expanded(item, k, False))
1091         else:
1092             menu.addAction(_("Maximize"), lambda: self.account_set_expanded(item, k, True))
1093         menu.addAction(_("Rename"), lambda: self.edit_account_label(k))
1094         menu.addAction(_("View details"), lambda: self.show_account_details(k))
1095         if self.wallet.account_is_pending(k):
1096             menu.addAction(_("Delete"), lambda: self.delete_pending_account(k))
1097         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1098
1099     def delete_pending_account(self, k):
1100         self.wallet.delete_pending_account(k)
1101         self.update_receive_tab()
1102
1103     def create_receive_menu(self, position):
1104         # fixme: this function apparently has a side effect.
1105         # if it is not called the menu pops up several times
1106         #self.receive_list.selectedIndexes()
1107
1108         item = self.receive_list.itemAt(position)
1109         if not item: return
1110
1111         addr = unicode(item.text(0))
1112         if not is_valid(addr):
1113             k = str(item.data(0,32).toString())
1114             if k:
1115                 self.create_account_menu(position, k, item)
1116             else:
1117                 item.setExpanded(not item.isExpanded())
1118             return
1119
1120         menu = QMenu()
1121         menu.addAction(_("Copy to clipboard"), lambda: self.app.clipboard().setText(addr))
1122         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")) )
1123         menu.addAction(_("Edit label"), lambda: self.edit_label(True))
1124         if self.wallet.seed:
1125             menu.addAction(_("Private key"), lambda: self.show_private_key(addr))
1126             menu.addAction(_("Sign message"), lambda: self.sign_message(addr))
1127         if addr in self.wallet.imported_keys:
1128             menu.addAction(_("Remove from wallet"), lambda: self.delete_imported_key(addr))
1129
1130         t = _("Unfreeze") if addr in self.wallet.frozen_addresses else _("Freeze")
1131         menu.addAction(t, lambda: self.toggle_freeze(addr))
1132         t = _("Unprioritize") if addr in self.wallet.prioritized_addresses else _("Prioritize")
1133         menu.addAction(t, lambda: self.toggle_priority(addr))
1134
1135         run_hook('receive_menu', menu)
1136         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1137
1138
1139     def payto(self, addr):
1140         if not addr: return
1141         label = self.wallet.labels.get(addr)
1142         m_addr = label + '  <' + addr + '>' if label else addr
1143         self.tabs.setCurrentIndex(1)
1144         self.payto_e.setText(m_addr)
1145         self.amount_e.setFocus()
1146
1147
1148     def delete_contact(self, x):
1149         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
1150             self.wallet.delete_contact(x)
1151             self.wallet.set_label(x, None)
1152             self.update_history_tab()
1153             self.update_contacts_tab()
1154             self.update_completions()
1155
1156
1157     def create_contact_menu(self, position):
1158         item = self.contacts_list.itemAt(position)
1159         if not item: return
1160         addr = unicode(item.text(0))
1161         label = unicode(item.text(1))
1162         is_editable = item.data(0,32).toBool()
1163         payto_addr = item.data(0,33).toString()
1164         menu = QMenu()
1165         menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
1166         menu.addAction(_("Pay to"), lambda: self.payto(payto_addr))
1167         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")))
1168         if is_editable:
1169             menu.addAction(_("Edit label"), lambda: self.edit_label(False))
1170             menu.addAction(_("Delete"), lambda: self.delete_contact(addr))
1171
1172         run_hook('create_contact_menu', menu, item)
1173         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
1174
1175
1176     def update_receive_item(self, item):
1177         item.setFont(0, QFont(MONOSPACE_FONT))
1178         address = str(item.data(0,0).toString())
1179         label = self.wallet.labels.get(address,'')
1180         item.setData(1,0,label)
1181         item.setData(0,32, True) # is editable
1182
1183         run_hook('update_receive_item', address, item)
1184
1185         if not self.wallet.is_mine(address): return
1186
1187         c, u = self.wallet.get_addr_balance(address)
1188         balance = self.format_amount(c + u)
1189         item.setData(2,0,balance)
1190
1191         if address in self.wallet.frozen_addresses:
1192             item.setBackgroundColor(0, QColor('lightblue'))
1193         elif address in self.wallet.prioritized_addresses:
1194             item.setBackgroundColor(0, QColor('lightgreen'))
1195
1196
1197     def update_receive_tab(self):
1198         l = self.receive_list
1199
1200         l.clear()
1201         l.setColumnHidden(2, False)
1202         l.setColumnHidden(3, False)
1203         for i,width in enumerate(self.column_widths['receive']):
1204             l.setColumnWidth(i, width)
1205
1206         if self.current_account is None:
1207             account_items = self.wallet.accounts.items()
1208         elif self.current_account != -1:
1209             account_items = [(self.current_account, self.wallet.accounts.get(self.current_account))]
1210         else:
1211             account_items = []
1212
1213         for k, account in account_items:
1214             name = self.wallet.get_account_name(k)
1215             c,u = self.wallet.get_account_balance(k)
1216             account_item = QTreeWidgetItem( [ name, '', self.format_amount(c+u), ''] )
1217             l.addTopLevelItem(account_item)
1218             account_item.setExpanded(self.accounts_expanded.get(k, True))
1219             account_item.setData(0, 32, k)
1220
1221             if not self.wallet.is_seeded(k):
1222                 icon = QIcon(":icons/key.png")
1223                 account_item.setIcon(0, icon)
1224
1225             for is_change in ([0,1]):
1226                 name = _("Receiving") if not is_change else _("Change")
1227                 seq_item = QTreeWidgetItem( [ name, '', '', '', ''] )
1228                 account_item.addChild(seq_item)
1229                 if not is_change: seq_item.setExpanded(True)
1230
1231                 is_red = False
1232                 gap = 0
1233
1234                 for address in account.get_addresses(is_change):
1235                     h = self.wallet.history.get(address,[])
1236
1237                     if h == []:
1238                         gap += 1
1239                         if gap > self.wallet.gap_limit:
1240                             is_red = True
1241                     else:
1242                         gap = 0
1243
1244                     num_tx = '*' if h == ['*'] else "%d"%len(h)
1245                     item = QTreeWidgetItem( [ address, '', '', num_tx] )
1246                     self.update_receive_item(item)
1247                     if is_red:
1248                         item.setBackgroundColor(1, QColor('red'))
1249                     seq_item.addChild(item)
1250
1251
1252         for k, addr in self.wallet.get_pending_accounts():
1253             name = self.wallet.labels.get(k,'')
1254             account_item = QTreeWidgetItem( [ name + "  [ "+_('pending account')+" ]", '', '', ''] )
1255             self.update_receive_item(item)
1256             l.addTopLevelItem(account_item)
1257             account_item.setExpanded(True)
1258             account_item.setData(0, 32, k)
1259             item = QTreeWidgetItem( [ addr, '', '', '', ''] )
1260             account_item.addChild(item)
1261             self.update_receive_item(item)
1262
1263
1264         if self.wallet.imported_keys and (self.current_account is None or self.current_account == -1):
1265             c,u = self.wallet.get_imported_balance()
1266             account_item = QTreeWidgetItem( [ _('Imported'), '', self.format_amount(c+u), ''] )
1267             l.addTopLevelItem(account_item)
1268             account_item.setExpanded(True)
1269             for address in self.wallet.imported_keys.keys():
1270                 item = QTreeWidgetItem( [ address, '', '', ''] )
1271                 self.update_receive_item(item)
1272                 account_item.addChild(item)
1273
1274
1275         # we use column 1 because column 0 may be hidden
1276         l.setCurrentItem(l.topLevelItem(0),1)
1277
1278
1279     def update_contacts_tab(self):
1280         l = self.contacts_list
1281         l.clear()
1282
1283         for address in self.wallet.addressbook:
1284             label = self.wallet.labels.get(address,'')
1285             n = self.wallet.get_num_tx(address)
1286             item = QTreeWidgetItem( [ address, label, "%d"%n] )
1287             item.setFont(0, QFont(MONOSPACE_FONT))
1288             # 32 = label can be edited (bool)
1289             item.setData(0,32, True)
1290             # 33 = payto string
1291             item.setData(0,33, address)
1292             l.addTopLevelItem(item)
1293
1294         run_hook('update_contacts_tab', l)
1295         l.setCurrentItem(l.topLevelItem(0))
1296
1297
1298
1299     def create_console_tab(self):
1300         from console import Console
1301         self.console = console = Console()
1302         return console
1303
1304
1305     def update_console(self):
1306         console = self.console
1307         console.history = self.config.get("console-history",[])
1308         console.history_index = len(console.history)
1309
1310         console.updateNamespace({'wallet' : self.wallet, 'network' : self.network, 'gui':self})
1311         console.updateNamespace({'util' : util, 'bitcoin':bitcoin})
1312
1313         c = commands.Commands(self.wallet, self.network, lambda: self.console.set_json(True))
1314         methods = {}
1315         def mkfunc(f, method):
1316             return lambda *args: apply( f, (method, args, self.password_dialog ))
1317         for m in dir(c):
1318             if m[0]=='_' or m in ['network','wallet']: continue
1319             methods[m] = mkfunc(c._run, m)
1320
1321         console.updateNamespace(methods)
1322
1323
1324     def change_account(self,s):
1325         if s == _("All accounts"):
1326             self.current_account = None
1327         else:
1328             accounts = self.wallet.get_account_names()
1329             for k, v in accounts.items():
1330                 if v == s:
1331                     self.current_account = k
1332         self.update_history_tab()
1333         self.update_status()
1334         self.update_receive_tab()
1335
1336     def create_status_bar(self):
1337
1338         sb = QStatusBar()
1339         sb.setFixedHeight(35)
1340         qtVersion = qVersion()
1341
1342         self.balance_label = QLabel("")
1343         sb.addWidget(self.balance_label)
1344
1345         from version_getter import UpdateLabel
1346         self.updatelabel = UpdateLabel(self.config, sb)
1347
1348         self.account_selector = QComboBox()
1349         self.connect(self.account_selector,SIGNAL("activated(QString)"),self.change_account)
1350         sb.addPermanentWidget(self.account_selector)
1351
1352         if (int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
1353             sb.addPermanentWidget( StatusBarButton( QIcon(":icons/switchgui.png"), _("Switch to Lite Mode"), self.go_lite ) )
1354
1355         self.lock_icon = QIcon()
1356         self.password_button = StatusBarButton( self.lock_icon, _("Password"), self.change_password_dialog )
1357         sb.addPermanentWidget( self.password_button )
1358
1359         sb.addPermanentWidget( StatusBarButton( QIcon(":icons/preferences.png"), _("Preferences"), self.settings_dialog ) )
1360         self.seed_button = StatusBarButton( QIcon(":icons/seed.png"), _("Seed"), self.show_seed_dialog )
1361         sb.addPermanentWidget( self.seed_button )
1362         self.status_button = StatusBarButton( QIcon(":icons/status_disconnected.png"), _("Network"), self.run_network_dialog )
1363         sb.addPermanentWidget( self.status_button )
1364
1365         run_hook('create_status_bar', (sb,))
1366
1367         self.setStatusBar(sb)
1368
1369
1370     def update_lock_icon(self):
1371         icon = QIcon(":icons/lock.png") if self.wallet.use_encryption else QIcon(":icons/unlock.png")
1372         self.password_button.setIcon( icon )
1373
1374
1375     def update_buttons_on_seed(self):
1376         if not self.wallet.is_watching_only():
1377            self.seed_button.show()
1378            self.password_button.show()
1379            self.send_button.setText(_("Send"))
1380         else:
1381            self.password_button.hide()
1382            self.seed_button.hide()
1383            self.send_button.setText(_("Create unsigned transaction"))
1384
1385
1386     def change_password_dialog(self):
1387         from password_dialog import PasswordDialog
1388         d = PasswordDialog(self.wallet, self)
1389         d.run()
1390         self.update_lock_icon()
1391
1392
1393     def new_contact_dialog(self):
1394
1395         d = QDialog(self)
1396         vbox = QVBoxLayout(d)
1397         vbox.addWidget(QLabel(_('New Contact')+':'))
1398
1399         grid = QGridLayout()
1400         line1 = QLineEdit()
1401         line2 = QLineEdit()
1402         grid.addWidget(QLabel(_("Address")), 1, 0)
1403         grid.addWidget(line1, 1, 1)
1404         grid.addWidget(QLabel(_("Name")), 2, 0)
1405         grid.addWidget(line2, 2, 1)
1406
1407         vbox.addLayout(grid)
1408         vbox.addLayout(ok_cancel_buttons(d))
1409
1410         if not d.exec_():
1411             return
1412
1413         address = str(line1.text())
1414         label = unicode(line2.text())
1415
1416         if not is_valid(address):
1417             QMessageBox.warning(self, _('Error'), _('Invalid Address'), _('OK'))
1418             return
1419
1420         self.wallet.add_contact(address)
1421         if label:
1422             self.wallet.set_label(address, label)
1423
1424         self.update_contacts_tab()
1425         self.update_history_tab()
1426         self.update_completions()
1427         self.tabs.setCurrentIndex(3)
1428
1429
1430     def new_account_dialog(self):
1431
1432         dialog = QDialog(self)
1433         dialog.setModal(1)
1434         dialog.setWindowTitle(_("New Account"))
1435
1436         vbox = QVBoxLayout()
1437         vbox.addWidget(QLabel(_('Account name')+':'))
1438         e = QLineEdit()
1439         vbox.addWidget(e)
1440         msg = _("Note: Newly created accounts are 'pending' until they receive bitcoins.") + " " \
1441             + _("You will need to wait for 2 confirmations until the correct balance is displayed and more addresses are created for that account.")
1442         l = QLabel(msg)
1443         l.setWordWrap(True)
1444         vbox.addWidget(l)
1445
1446         vbox.addLayout(ok_cancel_buttons(dialog))
1447         dialog.setLayout(vbox)
1448         r = dialog.exec_()
1449         if not r: return
1450
1451         name = str(e.text())
1452         if not name: return
1453
1454         self.wallet.create_pending_account('1', name)
1455         self.update_receive_tab()
1456         self.tabs.setCurrentIndex(2)
1457
1458
1459
1460     def show_master_public_key_old(self):
1461         dialog = QDialog(self)
1462         dialog.setModal(1)
1463         dialog.setWindowTitle(_("Master Public Key"))
1464
1465         main_text = QTextEdit()
1466         main_text.setText(self.wallet.get_master_public_key())
1467         main_text.setReadOnly(True)
1468         main_text.setMaximumHeight(170)
1469         qrw = QRCodeWidget(self.wallet.get_master_public_key())
1470
1471         ok_button = QPushButton(_("OK"))
1472         ok_button.setDefault(True)
1473         ok_button.clicked.connect(dialog.accept)
1474
1475         main_layout = QGridLayout()
1476         main_layout.addWidget(QLabel(_('Your Master Public Key is:')), 0, 0, 1, 2)
1477
1478         main_layout.addWidget(main_text, 1, 0)
1479         main_layout.addWidget(qrw, 1, 1 )
1480
1481         vbox = QVBoxLayout()
1482         vbox.addLayout(main_layout)
1483         vbox.addLayout(close_button(dialog))
1484         dialog.setLayout(vbox)
1485         dialog.exec_()
1486
1487
1488     def show_master_public_key(self):
1489
1490         if self.wallet.seed_version == 4:
1491             self.show_master_public_key_old()
1492             return
1493
1494         dialog = QDialog(self)
1495         dialog.setModal(1)
1496         dialog.setWindowTitle(_("Master Public Keys"))
1497
1498         chain_text = QTextEdit()
1499         chain_text.setReadOnly(True)
1500         chain_text.setMaximumHeight(170)
1501         chain_qrw = QRCodeWidget()
1502
1503         mpk_text = QTextEdit()
1504         mpk_text.setReadOnly(True)
1505         mpk_text.setMaximumHeight(170)
1506         mpk_qrw = QRCodeWidget()
1507
1508         main_layout = QGridLayout()
1509
1510         main_layout.addWidget(QLabel(_('Key')), 1, 0)
1511         main_layout.addWidget(mpk_text, 1, 1)
1512         main_layout.addWidget(mpk_qrw, 1, 2)
1513
1514         main_layout.addWidget(QLabel(_('Chain')), 2, 0)
1515         main_layout.addWidget(chain_text, 2, 1)
1516         main_layout.addWidget(chain_qrw, 2, 2)
1517
1518         def update(key):
1519             c, K, cK = self.wallet.master_public_keys[str(key)]
1520             chain_text.setText(c)
1521             chain_qrw.set_addr(c)
1522             chain_qrw.update_qr()
1523             mpk_text.setText(K)
1524             mpk_qrw.set_addr(K)
1525             mpk_qrw.update_qr()
1526
1527         key_selector = QComboBox()
1528         keys = sorted(self.wallet.master_public_keys.keys())
1529         key_selector.addItems(keys)
1530
1531         main_layout.addWidget(QLabel(_('Derivation:')), 0, 0)
1532         main_layout.addWidget(key_selector, 0, 1)
1533         dialog.connect(key_selector,SIGNAL("activated(QString)"),update)
1534
1535         update(keys[0])
1536
1537         vbox = QVBoxLayout()
1538         vbox.addLayout(main_layout)
1539         vbox.addLayout(close_button(dialog))
1540
1541         dialog.setLayout(vbox)
1542         dialog.exec_()
1543
1544
1545     @protected
1546     def show_seed_dialog(self, password):
1547         if self.wallet.is_watching_only():
1548             QMessageBox.information(self, _('Message'), _('This is a watching-only wallet'), _('OK'))
1549             return
1550
1551         if self.wallet.seed:
1552             try:
1553                 mnemonic = self.wallet.get_mnemonic(password)
1554             except Exception:
1555                 QMessageBox.warning(self, _('Error'), _('Incorrect Password'), _('OK'))
1556                 return
1557             from seed_dialog import SeedDialog
1558             d = SeedDialog(self, mnemonic, self.wallet.imported_keys)
1559             d.exec_()
1560         else:
1561             l = {}
1562             for k in self.wallet.master_private_keys.keys():
1563                 pk = self.wallet.get_master_private_key(k, password)
1564                 l[k] = pk
1565             from seed_dialog import PrivateKeysDialog
1566             d = PrivateKeysDialog(self,l)
1567             d.exec_()
1568
1569
1570
1571
1572
1573     def show_qrcode(self, data, title = _("QR code")):
1574         if not data: return
1575         d = QDialog(self)
1576         d.setModal(1)
1577         d.setWindowTitle(title)
1578         d.setMinimumSize(270, 300)
1579         vbox = QVBoxLayout()
1580         qrw = QRCodeWidget(data)
1581         vbox.addWidget(qrw, 1)
1582         vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
1583         hbox = QHBoxLayout()
1584         hbox.addStretch(1)
1585
1586         filename = os.path.join(self.config.path, "qrcode.bmp")
1587
1588         def print_qr():
1589             bmp.save_qrcode(qrw.qr, filename)
1590             QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
1591
1592         def copy_to_clipboard():
1593             bmp.save_qrcode(qrw.qr, filename)
1594             self.app.clipboard().setImage(QImage(filename))
1595             QMessageBox.information(None, _('Message'), _("QR code saved to clipboard"), _('OK'))
1596
1597         b = QPushButton(_("Copy"))
1598         hbox.addWidget(b)
1599         b.clicked.connect(copy_to_clipboard)
1600
1601         b = QPushButton(_("Save"))
1602         hbox.addWidget(b)
1603         b.clicked.connect(print_qr)
1604
1605         b = QPushButton(_("Close"))
1606         hbox.addWidget(b)
1607         b.clicked.connect(d.accept)
1608         b.setDefault(True)
1609
1610         vbox.addLayout(hbox)
1611         d.setLayout(vbox)
1612         d.exec_()
1613
1614
1615     def do_protect(self, func, args):
1616         if self.wallet.use_encryption:
1617             password = self.password_dialog()
1618             if not password:
1619                 return
1620         else:
1621             password = None
1622
1623         if args != (False,):
1624             args = (self,) + args + (password,)
1625         else:
1626             args = (self,password)
1627         apply( func, args)
1628
1629
1630     @protected
1631     def show_private_key(self, address, password):
1632         if not address: return
1633         try:
1634             pk_list = self.wallet.get_private_key(address, password)
1635         except Exception as e:
1636             self.show_message(str(e))
1637             return
1638         QMessageBox.information(self, _('Private key'), _('Address')+ ': ' + address + '\n\n' + _('Private key') + ': ' + '\n'.join(pk_list), _('OK'))
1639
1640
1641     @protected
1642     def do_sign(self, address, message, signature, password):
1643         message = unicode(message.toPlainText())
1644         message = message.encode('utf-8')
1645         try:
1646             sig = self.wallet.sign_message(str(address.text()), message, password)
1647             signature.setText(sig)
1648         except Exception as e:
1649             self.show_message(str(e))
1650
1651     def sign_message(self, address):
1652         if not address: return
1653         d = QDialog(self)
1654         d.setModal(1)
1655         d.setWindowTitle(_('Sign Message'))
1656         d.setMinimumSize(410, 290)
1657
1658         tab_widget = QTabWidget()
1659         tab = QWidget()
1660         layout = QGridLayout(tab)
1661
1662         sign_address = QLineEdit()
1663
1664         sign_address.setText(address)
1665         layout.addWidget(QLabel(_('Address')), 1, 0)
1666         layout.addWidget(sign_address, 1, 1)
1667
1668         sign_message = QTextEdit()
1669         layout.addWidget(QLabel(_('Message')), 2, 0)
1670         layout.addWidget(sign_message, 2, 1)
1671         layout.setRowStretch(2,3)
1672
1673         sign_signature = QTextEdit()
1674         layout.addWidget(QLabel(_('Signature')), 3, 0)
1675         layout.addWidget(sign_signature, 3, 1)
1676         layout.setRowStretch(3,1)
1677
1678
1679         hbox = QHBoxLayout()
1680         b = QPushButton(_("Sign"))
1681         hbox.addWidget(b)
1682         b.clicked.connect(lambda: self.do_sign(sign_address, sign_message, sign_signature))
1683         b = QPushButton(_("Close"))
1684         b.clicked.connect(d.accept)
1685         hbox.addWidget(b)
1686         layout.addLayout(hbox, 4, 1)
1687         tab_widget.addTab(tab, _("Sign"))
1688
1689
1690         tab = QWidget()
1691         layout = QGridLayout(tab)
1692
1693         verify_address = QLineEdit()
1694         layout.addWidget(QLabel(_('Address')), 1, 0)
1695         layout.addWidget(verify_address, 1, 1)
1696
1697         verify_message = QTextEdit()
1698         layout.addWidget(QLabel(_('Message')), 2, 0)
1699         layout.addWidget(verify_message, 2, 1)
1700         layout.setRowStretch(2,3)
1701
1702         verify_signature = QTextEdit()
1703         layout.addWidget(QLabel(_('Signature')), 3, 0)
1704         layout.addWidget(verify_signature, 3, 1)
1705         layout.setRowStretch(3,1)
1706
1707         def do_verify():
1708             message = unicode(verify_message.toPlainText())
1709             message = message.encode('utf-8')
1710             if bitcoin.verify_message(verify_address.text(), str(verify_signature.toPlainText()), message):
1711                 self.show_message(_("Signature verified"))
1712             else:
1713                 self.show_message(_("Error: wrong signature"))
1714
1715         hbox = QHBoxLayout()
1716         b = QPushButton(_("Verify"))
1717         b.clicked.connect(do_verify)
1718         hbox.addWidget(b)
1719         b = QPushButton(_("Close"))
1720         b.clicked.connect(d.accept)
1721         hbox.addWidget(b)
1722         layout.addLayout(hbox, 4, 1)
1723         tab_widget.addTab(tab, _("Verify"))
1724
1725         vbox = QVBoxLayout()
1726         vbox.addWidget(tab_widget)
1727         d.setLayout(vbox)
1728         d.exec_()
1729
1730
1731
1732
1733     def question(self, msg):
1734         return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
1735
1736     def show_message(self, msg):
1737         QMessageBox.information(self, _('Message'), msg, _('OK'))
1738
1739     def password_dialog(self ):
1740         d = QDialog(self)
1741         d.setModal(1)
1742
1743         pw = QLineEdit()
1744         pw.setEchoMode(2)
1745
1746         vbox = QVBoxLayout()
1747         msg = _('Please enter your password')
1748         vbox.addWidget(QLabel(msg))
1749
1750         grid = QGridLayout()
1751         grid.setSpacing(8)
1752         grid.addWidget(QLabel(_('Password')), 1, 0)
1753         grid.addWidget(pw, 1, 1)
1754         vbox.addLayout(grid)
1755
1756         vbox.addLayout(ok_cancel_buttons(d))
1757         d.setLayout(vbox)
1758
1759         run_hook('password_dialog', pw, grid, 1)
1760         if not d.exec_(): return
1761         return unicode(pw.text())
1762
1763
1764
1765
1766
1767
1768
1769
1770     def tx_from_text(self, txt):
1771         "json or raw hexadecimal"
1772         try:
1773             txt.decode('hex')
1774             tx = Transaction(txt)
1775             return tx
1776         except Exception:
1777             pass
1778
1779         try:
1780             tx_dict = json.loads(str(txt))
1781             assert "hex" in tx_dict.keys()
1782             assert "complete" in tx_dict.keys()
1783             tx = Transaction(tx_dict["hex"], tx_dict["complete"])
1784             if not tx_dict["complete"]:
1785                 assert "input_info" in tx_dict.keys()
1786                 input_info = json.loads(tx_dict['input_info'])
1787                 tx.add_input_info(input_info)
1788             return tx
1789         except Exception:
1790             pass
1791
1792         QMessageBox.critical(None, _("Unable to parse transaction"), _("Electrum was unable to parse your transaction"))
1793
1794
1795
1796     def read_tx_from_file(self):
1797         fileName = self.getOpenFileName(_("Select your transaction file"), "*.txn")
1798         if not fileName:
1799             return
1800         try:
1801             with open(fileName, "r") as f:
1802                 file_content = f.read()
1803         except (ValueError, IOError, os.error), reason:
1804             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1805
1806         return self.tx_from_text(file_content)
1807
1808
1809     @protected
1810     def sign_raw_transaction(self, tx, input_info, password):
1811         self.wallet.signrawtransaction(tx, input_info, [], password)
1812
1813     def do_process_from_text(self):
1814         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
1815         if not text:
1816             return
1817         tx = self.tx_from_text(text)
1818         if tx:
1819             self.show_transaction(tx)
1820
1821     def do_process_from_file(self):
1822         tx = self.read_tx_from_file()
1823         if tx:
1824             self.show_transaction(tx)
1825
1826     def do_process_from_csvReader(self, csvReader):
1827         outputs = []
1828         try:
1829             for row in csvReader:
1830                 address = row[0]
1831                 amount = float(row[1])
1832                 amount = int(100000000*amount)
1833                 outputs.append((address, amount))
1834         except (ValueError, IOError, os.error), reason:
1835             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1836             return
1837
1838         try:
1839             tx = self.wallet.make_unsigned_transaction(outputs, None, None)
1840         except Exception as e:
1841             self.show_message(str(e))
1842             return
1843
1844         self.show_transaction(tx)
1845
1846     def do_process_from_csv_file(self):
1847         fileName = self.getOpenFileName(_("Select your transaction CSV"), "*.csv")
1848         if not fileName:
1849             return
1850         try:
1851             with open(fileName, "r") as f:
1852                 csvReader = csv.reader(f)
1853                 self.do_process_from_csvReader(csvReader)
1854         except (ValueError, IOError, os.error), reason:
1855             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1856             return
1857
1858     def do_process_from_csv_text(self):
1859         text = text_dialog(self, _('Input CSV'), _("Please enter a list of outputs.") + '\n' \
1860                                + _("Format: address, amount. One output per line"), _("Load CSV"))
1861         if not text:
1862             return
1863         f = StringIO.StringIO(text)
1864         csvReader = csv.reader(f)
1865         self.do_process_from_csvReader(csvReader)
1866
1867
1868
1869     @protected
1870     def do_export_privkeys(self, password):
1871         self.show_message("%s\n%s\n%s" % (_("WARNING: ALL your private keys are secret."),  _("Exposing a single private key can compromise your entire wallet!"), _("In particular, DO NOT use 'redeem private key' services proposed by third parties.")))
1872
1873         try:
1874             select_export = _('Select file to export your private keys to')
1875             fileName = self.getSaveFileName(select_export, 'electrum-private-keys.csv', "*.csv")
1876             if fileName:
1877                 with open(fileName, "w+") as csvfile:
1878                     transaction = csv.writer(csvfile)
1879                     transaction.writerow(["address", "private_key"])
1880
1881                     addresses = self.wallet.addresses(True)
1882
1883                     for addr in addresses:
1884                         pk = "".join(self.wallet.get_private_key(addr, password))
1885                         transaction.writerow(["%34s"%addr,pk])
1886
1887                     self.show_message(_("Private keys exported."))
1888
1889         except (IOError, os.error), reason:
1890             export_error_label = _("Electrum was unable to produce a private key-export.")
1891             QMessageBox.critical(None, _("Unable to create csv"), export_error_label + "\n" + str(reason))
1892
1893         except Exception as e:
1894           self.show_message(str(e))
1895           return
1896
1897
1898     def do_import_labels(self):
1899         labelsFile = self.getOpenFileName(_("Open labels file"), "*.dat")
1900         if not labelsFile: return
1901         try:
1902             f = open(labelsFile, 'r')
1903             data = f.read()
1904             f.close()
1905             for key, value in json.loads(data).items():
1906                 self.wallet.set_label(key, value)
1907             QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
1908         except (IOError, os.error), reason:
1909             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
1910
1911
1912     def do_export_labels(self):
1913         labels = self.wallet.labels
1914         try:
1915             fileName = self.getSaveFileName(_("Select file to save your labels"), 'electrum_labels.dat', "*.dat")
1916             if fileName:
1917                 with open(fileName, 'w+') as f:
1918                     json.dump(labels, f)
1919                 QMessageBox.information(None, _("Labels exported"), _("Your labels where exported to")+" '%s'" % str(fileName))
1920         except (IOError, os.error), reason:
1921             QMessageBox.critical(None, _("Unable to export labels"), _("Electrum was unable to export your labels.")+"\n" + str(reason))
1922
1923
1924     def do_export_history(self):
1925         from lite_window import csv_transaction
1926         csv_transaction(self.wallet)
1927
1928
1929     @protected
1930     def do_import_privkey(self, password):
1931         if not self.wallet.imported_keys:
1932             r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
1933                                          + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
1934                                          + _('Are you sure you understand what you are doing?'), 3, 4)
1935             if r == 4: return
1936
1937         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
1938         if not text: return
1939
1940         text = str(text).split()
1941         badkeys = []
1942         addrlist = []
1943         for key in text:
1944             try:
1945                 addr = self.wallet.import_key(key, password)
1946             except Exception as e:
1947                 badkeys.append(key)
1948                 continue
1949             if not addr:
1950                 badkeys.append(key)
1951             else:
1952                 addrlist.append(addr)
1953         if addrlist:
1954             QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
1955         if badkeys:
1956             QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
1957         self.update_receive_tab()
1958         self.update_history_tab()
1959
1960
1961     def settings_dialog(self):
1962         d = QDialog(self)
1963         d.setWindowTitle(_('Electrum Settings'))
1964         d.setModal(1)
1965         vbox = QVBoxLayout()
1966         grid = QGridLayout()
1967         grid.setColumnStretch(0,1)
1968
1969         nz_label = QLabel(_('Display zeros') + ':')
1970         grid.addWidget(nz_label, 0, 0)
1971         nz_e = AmountEdit(None,True)
1972         nz_e.setText("%d"% self.num_zeros)
1973         grid.addWidget(nz_e, 0, 1)
1974         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
1975         grid.addWidget(HelpButton(msg), 0, 2)
1976         if not self.config.is_modifiable('num_zeros'):
1977             for w in [nz_e, nz_label]: w.setEnabled(False)
1978
1979         lang_label=QLabel(_('Language') + ':')
1980         grid.addWidget(lang_label, 1, 0)
1981         lang_combo = QComboBox()
1982         from electrum.i18n import languages
1983         lang_combo.addItems(languages.values())
1984         try:
1985             index = languages.keys().index(self.config.get("language",''))
1986         except Exception:
1987             index = 0
1988         lang_combo.setCurrentIndex(index)
1989         grid.addWidget(lang_combo, 1, 1)
1990         grid.addWidget(HelpButton(_('Select which language is used in the GUI (after restart).')+' '), 1, 2)
1991         if not self.config.is_modifiable('language'):
1992             for w in [lang_combo, lang_label]: w.setEnabled(False)
1993
1994
1995         fee_label = QLabel(_('Transaction fee') + ':')
1996         grid.addWidget(fee_label, 2, 0)
1997         fee_e = AmountEdit(self.base_unit)
1998         fee_e.setText(self.format_amount(self.wallet.fee).strip())
1999         grid.addWidget(fee_e, 2, 1)
2000         msg = _('Fee per kilobyte of transaction.') + ' ' \
2001             + _('Recommended value') + ': ' + self.format_amount(50000)
2002         grid.addWidget(HelpButton(msg), 2, 2)
2003         if not self.config.is_modifiable('fee_per_kb'):
2004             for w in [fee_e, fee_label]: w.setEnabled(False)
2005
2006         units = ['BTC', 'mBTC']
2007         unit_label = QLabel(_('Base unit') + ':')
2008         grid.addWidget(unit_label, 3, 0)
2009         unit_combo = QComboBox()
2010         unit_combo.addItems(units)
2011         unit_combo.setCurrentIndex(units.index(self.base_unit()))
2012         grid.addWidget(unit_combo, 3, 1)
2013         grid.addWidget(HelpButton(_('Base unit of your wallet.')\
2014                                              + '\n1BTC=1000mBTC.\n' \
2015                                              + _(' This settings affects the fields in the Send tab')+' '), 3, 2)
2016
2017         usechange_cb = QCheckBox(_('Use change addresses'))
2018         usechange_cb.setChecked(self.wallet.use_change)
2019         grid.addWidget(usechange_cb, 4, 0)
2020         grid.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions.')+' '), 4, 2)
2021         if not self.config.is_modifiable('use_change'): usechange_cb.setEnabled(False)
2022
2023         grid.setRowStretch(5,1)
2024
2025         vbox.addLayout(grid)
2026         vbox.addLayout(ok_cancel_buttons(d))
2027         d.setLayout(vbox)
2028
2029         # run the dialog
2030         if not d.exec_(): return
2031
2032         fee = unicode(fee_e.text())
2033         try:
2034             fee = self.read_amount(fee)
2035         except Exception:
2036             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
2037             return
2038
2039         self.wallet.set_fee(fee)
2040
2041         nz = unicode(nz_e.text())
2042         try:
2043             nz = int( nz )
2044             if nz>8: nz=8
2045         except Exception:
2046             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
2047             return
2048
2049         if self.num_zeros != nz:
2050             self.num_zeros = nz
2051             self.config.set_key('num_zeros', nz, True)
2052             self.update_history_tab()
2053             self.update_receive_tab()
2054
2055         usechange_result = usechange_cb.isChecked()
2056         if self.wallet.use_change != usechange_result:
2057             self.wallet.use_change = usechange_result
2058             self.wallet.storage.put('use_change', self.wallet.use_change)
2059
2060         unit_result = units[unit_combo.currentIndex()]
2061         if self.base_unit() != unit_result:
2062             self.decimal_point = 8 if unit_result == 'BTC' else 5
2063             self.config.set_key('decimal_point', self.decimal_point, True)
2064             self.update_history_tab()
2065             self.update_status()
2066
2067         need_restart = False
2068
2069         lang_request = languages.keys()[lang_combo.currentIndex()]
2070         if lang_request != self.config.get('language'):
2071             self.config.set_key("language", lang_request, True)
2072             need_restart = True
2073
2074         run_hook('close_settings_dialog')
2075
2076         if need_restart:
2077             QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
2078
2079
2080     def run_network_dialog(self):
2081         if not self.network:
2082             return
2083         NetworkDialog(self.wallet.network, self.config, self).do_exec()
2084
2085     def closeEvent(self, event):
2086         g = self.geometry()
2087         self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()], True)
2088         self.save_column_widths()
2089         self.config.set_key("console-history", self.console.history[-50:], True)
2090         self.wallet.storage.put('accounts_expanded', self.accounts_expanded)
2091         event.accept()
2092
2093
2094
2095     def plugins_dialog(self):
2096         from electrum.plugins import plugins
2097
2098         d = QDialog(self)
2099         d.setWindowTitle(_('Electrum Plugins'))
2100         d.setModal(1)
2101
2102         vbox = QVBoxLayout(d)
2103
2104         # plugins
2105         scroll = QScrollArea()
2106         scroll.setEnabled(True)
2107         scroll.setWidgetResizable(True)
2108         scroll.setMinimumSize(400,250)
2109         vbox.addWidget(scroll)
2110
2111         w = QWidget()
2112         scroll.setWidget(w)
2113         w.setMinimumHeight(len(plugins)*35)
2114
2115         grid = QGridLayout()
2116         grid.setColumnStretch(0,1)
2117         w.setLayout(grid)
2118
2119         def do_toggle(cb, p, w):
2120             r = p.toggle()
2121             cb.setChecked(r)
2122             if w: w.setEnabled(r)
2123
2124         def mk_toggle(cb, p, w):
2125             return lambda: do_toggle(cb,p,w)
2126
2127         for i, p in enumerate(plugins):
2128             try:
2129                 cb = QCheckBox(p.fullname())
2130                 cb.setDisabled(not p.is_available())
2131                 cb.setChecked(p.is_enabled())
2132                 grid.addWidget(cb, i, 0)
2133                 if p.requires_settings():
2134                     w = p.settings_widget(self)
2135                     w.setEnabled( p.is_enabled() )
2136                     grid.addWidget(w, i, 1)
2137                 else:
2138                     w = None
2139                 cb.clicked.connect(mk_toggle(cb,p,w))
2140                 grid.addWidget(HelpButton(p.description()), i, 2)
2141             except Exception:
2142                 print_msg(_("Error: cannot display plugin"), p)
2143                 traceback.print_exc(file=sys.stdout)
2144         grid.setRowStretch(i+1,1)
2145
2146         vbox.addLayout(close_button(d))
2147
2148         d.exec_()
2149
2150
2151     def show_account_details(self, k):
2152         d = QDialog(self)
2153         d.setWindowTitle(_('Account Details'))
2154         d.setModal(1)
2155
2156         vbox = QVBoxLayout(d)
2157         roots = self.wallet.get_roots(k)
2158
2159         name = self.wallet.get_account_name(k)
2160         label = QLabel('Name: ' + name)
2161         vbox.addWidget(label)
2162
2163         acctype = '2 of 2' if len(roots) == 2 else '2 of 3' if len(roots) == 3 else 'Single key'
2164         vbox.addWidget(QLabel('Type: ' + acctype))
2165
2166         label = QLabel('Derivation: ' + k)
2167         vbox.addWidget(label)
2168
2169         #for root in roots:
2170         #    mpk = self.wallet.master_public_keys[root]
2171         #    text = QTextEdit()
2172         #    text.setReadOnly(True)
2173         #    text.setMaximumHeight(120)
2174         #    text.setText(repr(mpk))
2175         #    vbox.addWidget(text)
2176
2177         vbox.addLayout(close_button(d))
2178         d.exec_()