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         self.pay_from = []
 676         self.tabs.emit(SIGNAL('currentChanged(int)'), 1)
 677
 678
 679
 680     def update_history_tab(self):
 681
 682         self.history_list.clear()
 683         for item in self.wallet.get_tx_history(self.current_account):
 684             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
 685             time_str = _("unknown")
 686             if conf > 0:
 687                 try:
 688                     time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
 689                 except Exception:
 690                     time_str = _("error")
 691
 692             if conf == -1:
 693                 time_str = 'unverified'
 694                 icon = QIcon(":icons/unconfirmed.png")
 695             elif conf == 0:
 696                 time_str = 'pending'
 697                 icon = QIcon(":icons/unconfirmed.png")
 698             elif conf < 6:
 699                 icon = QIcon(":icons/clock%d.png"%conf)
 700             else:
 701                 icon = QIcon(":icons/confirmed.png")
 702
 703             if value is not None:
 704                 v_str = self.format_amount(value, True, whitespaces=True)
 705             else:
 706                 v_str = '--'
 707
 708             balance_str = self.format_amount(balance, whitespaces=True)
 709
 710             if tx_hash:
 711                 label, is_default_label = self.wallet.get_label(tx_hash)
 712             else:
 713                 label = _('Pruned transaction outputs')
 714                 is_default_label = False
 715
 716             item = QTreeWidgetItem( [ '', time_str, label, v_str, balance_str] )
 717             item.setFont(2, QFont(MONOSPACE_FONT))
 718             item.setFont(3, QFont(MONOSPACE_FONT))
 719             item.setFont(4, QFont(MONOSPACE_FONT))
 720             if value < 0:
 721                 item.setForeground(3, QBrush(QColor("#BC1E1E")))
 722             if tx_hash:
 723                 item.setData(0, Qt.UserRole, tx_hash)
 724                 item.setToolTip(0, "%d %s\nTxId:%s" % (conf, _('Confirmations'), tx_hash) )
 725             if is_default_label:
 726                 item.setForeground(2, QBrush(QColor('grey')))
 727
 728             item.setIcon(0, icon)
 729             self.history_list.insertTopLevelItem(0,item)
 730
 731
 732         self.history_list.setCurrentItem(self.history_list.topLevelItem(0))
 733
 734
 735     def create_send_tab(self):
 736         w = QWidget()
 737
 738         grid = QGridLayout()
 739         grid.setSpacing(8)
 740         grid.setColumnMinimumWidth(3,300)
 741         grid.setColumnStretch(5,1)
 742
 743
 744         self.payto_e = QLineEdit()
 745         grid.addWidget(QLabel(_('Pay to')), 1, 0)
 746         grid.addWidget(self.payto_e, 1, 1, 1, 3)
 747
 748         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)
 749
 750         completer = QCompleter()
 751         completer.setCaseSensitivity(False)
 752         self.payto_e.setCompleter(completer)
 753         completer.setModel(self.completions)
 754
 755         self.message_e = QLineEdit()
 756         grid.addWidget(QLabel(_('Description')), 2, 0)
 757         grid.addWidget(self.message_e, 2, 1, 1, 3)
 758         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)
 759
 760         self.pay_from = []
 761         self.from_label = QLabel(_('From'))
 762         grid.addWidget(self.from_label, 3, 0)
 763         self.from_list = QTreeWidget(self)
 764         self.from_list.setColumnCount(2)
 765         self.from_list.setColumnWidth(0, 350)
 766         self.from_list.setColumnWidth(1, 50)
 767         self.from_list.setHeaderHidden (True)
 768         self.from_list.setMaximumHeight(80)
 769         grid.addWidget(self.from_list, 3, 1, 1, 3)
 770         self.connect(self.tabs, SIGNAL('currentChanged(int)'), lambda: self.update_pay_from_list(grid))
 771
 772         self.amount_e = AmountEdit(self.base_unit)
 773         grid.addWidget(QLabel(_('Amount')), 4, 0)
 774         grid.addWidget(self.amount_e, 4, 1, 1, 2)
 775         grid.addWidget(HelpButton(
 776                 _('Amount to be sent.') + '\n\n' \
 777                     + _('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.') \
 778                     + '\n\n' + _('Keyboard shortcut: type "!" to send all your coins.')), 4, 3)
 779
 780         self.fee_e = AmountEdit(self.base_unit)
 781         grid.addWidget(QLabel(_('Fee')), 5, 0)
 782         grid.addWidget(self.fee_e, 5, 1, 1, 2)
 783         grid.addWidget(HelpButton(
 784                 _('Bitcoin transactions are in general not free. A transaction fee is paid by the sender of the funds.') + '\n\n'\
 785                     + _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
 786                     + _('A suggested fee is automatically added to this field. You may override it. The suggested fee increases with the size of the transaction.')), 5, 3)
 787
 788
 789         self.send_button = EnterButton(_("Send"), self.do_send)
 790         grid.addWidget(self.send_button, 6, 1)
 791
 792         b = EnterButton(_("Clear"),self.do_clear)
 793         grid.addWidget(b, 6, 2)
 794
 795         self.payto_sig = QLabel('')
 796         grid.addWidget(self.payto_sig, 7, 0, 1, 4)
 797
 798         QShortcut(QKeySequence("Up"), w, w.focusPreviousChild)
 799         QShortcut(QKeySequence("Down"), w, w.focusNextChild)
 800         w.setLayout(grid)
 801
 802         w2 = QWidget()
 803         vbox = QVBoxLayout()
 804         vbox.addWidget(w)
 805         vbox.addStretch(1)
 806         w2.setLayout(vbox)
 807
 808         def entry_changed( is_fee ):
 809             self.funds_error = False
 810
 811             if self.amount_e.is_shortcut:
 812                 self.amount_e.is_shortcut = False
 813                 sendable = self.get_sendable_balance()
 814                 inputs, total, fee = self.wallet.choose_tx_inputs( sendable, 0, self.get_payment_sources())
 815                 fee = self.wallet.estimated_fee(inputs)
 816                 amount = total - fee
 817                 self.amount_e.setText( self.format_amount(amount) )
 818                 self.fee_e.setText( self.format_amount( fee ) )
 819                 return
 820
 821             amount = self.read_amount(str(self.amount_e.text()))
 822             fee = self.read_amount(str(self.fee_e.text()))
 823
 824             if not is_fee: fee = None
 825             if amount is None:
 826                 return
 827             inputs, total, fee = self.wallet.choose_tx_inputs(amount, fee, self.get_payment_sources())
 828             if not is_fee:
 829                 self.fee_e.setText( self.format_amount( fee ) )
 830             if inputs:
 831                 palette = QPalette()
 832                 palette.setColor(self.amount_e.foregroundRole(), QColor('black'))
 833                 text = ""
 834             else:
 835                 palette = QPalette()
 836                 palette.setColor(self.amount_e.foregroundRole(), QColor('red'))
 837                 self.funds_error = True
 838                 text = _( "Not enough funds" )
 839                 c, u = self.wallet.get_frozen_balance()
 840                 if c+u: text += ' (' + self.format_amount(c+u).strip() + self.base_unit() + ' ' +_("are frozen") + ')'
 841
 842             self.statusBar().showMessage(text)
 843             self.amount_e.setPalette(palette)
 844             self.fee_e.setPalette(palette)
 845
 846         self.amount_e.textChanged.connect(lambda: entry_changed(False) )
 847         self.fee_e.textChanged.connect(lambda: entry_changed(True) )
 848
 849         run_hook('create_send_tab', grid)
 850         return w2
 851
 852
 853     def update_pay_from_list(self, grid):
 854         self.from_list.clear()
 855         self.from_label.setHidden(len(self.pay_from) == 0)
 856         self.from_list.setHidden(len(self.pay_from) == 0)
 857         for addr in self.pay_from:
 858             c, u = self.wallet.get_addr_balance(addr)
 859             balance = self.format_amount(c + u)
 860             self.from_list.addTopLevelItem(QTreeWidgetItem( [addr, balance] ))
 861
 862
 863     def update_completions(self):
 864         l = []
 865         for addr,label in self.wallet.labels.items():
 866             if addr in self.wallet.addressbook:
 867                 l.append( label + '  <' + addr + '>')
 868
 869         run_hook('update_completions', l)
 870         self.completions.setStringList(l)
 871
 872
 873     def protected(func):
 874         return lambda s, *args: s.do_protect(func, args)
 875
 876
 877     def do_send(self):
 878
 879         label = unicode( self.message_e.text() )
 880         r = unicode( self.payto_e.text() )
 881         r = r.strip()
 882
 883         # label or alias, with address in brackets
 884         m = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
 885         to_address = m.group(2) if m else r
 886
 887         if not is_valid(to_address):
 888             QMessageBox.warning(self, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
 889             return
 890
 891         try:
 892             amount = self.read_amount(unicode( self.amount_e.text()))
 893         except Exception:
 894             QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 895             return
 896         try:
 897             fee = self.read_amount(unicode( self.fee_e.text()))
 898         except Exception:
 899             QMessageBox.warning(self, _('Error'), _('Invalid Fee'), _('OK'))
 900             return
 901
 902         confirm_amount = self.config.get('confirm_amount', 100000000)
 903         if amount >= confirm_amount:
 904             if not self.question(_("send %(amount)s to %(address)s?")%{ 'amount' : self.format_amount(amount) + ' '+ self.base_unit(), 'address' : to_address}):
 905                 return
 906
 907         self.send_tx(to_address, amount, fee, label)
 908
 909
 910     @protected
 911     def send_tx(self, to_address, amount, fee, label, password):
 912         try:
 913             tx = self.wallet.mktx( [(to_address, amount)], password, fee,
 914                     domain=self.get_payment_sources())
 915         except Exception as e:
 916             traceback.print_exc(file=sys.stdout)
 917             self.show_message(str(e))
 918             return
 919
 920         if tx.requires_fee(self.wallet.verifier) and fee < MIN_RELAY_TX_FEE:
 921             QMessageBox.warning(self, _('Error'), _("This transaction requires a higher fee, or it will not be propagated by the network."), _('OK'))
 922             return
 923
 924         if label:
 925             self.wallet.set_label(tx.hash(), label)
 926
 927         if tx.is_complete:
 928             h = self.wallet.send_tx(tx)
 929             waiting_dialog(lambda: False if self.wallet.tx_event.isSet() else _("Please wait..."))
 930             status, msg = self.wallet.receive_tx( h )
 931             if status:
 932                 QMessageBox.information(self, '', _('Payment sent.')+'\n'+msg, _('OK'))
 933                 self.do_clear()
 934                 self.update_contacts_tab()
 935             else:
 936                 QMessageBox.warning(self, _('Error'), msg, _('OK'))
 937         else:
 938
 939             self.show_transaction(tx)
 940
 941         # add recipient to addressbook
 942         if to_address not in self.wallet.addressbook and not self.wallet.is_mine(to_address):
 943             self.wallet.addressbook.append(to_address)
 944
 945
 946
 947
 948     def set_url(self, url):
 949         address, amount, label, message, signature, identity, url = util.parse_url(url)
 950
 951         try:
 952             if amount and self.base_unit() == 'mBTC': amount = str( 1000* Decimal(amount))
 953             elif amount: amount = str(Decimal(amount))
 954         except Exception:
 955             amount = "0.0"
 956             QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 957
 958         if self.mini:
 959             self.mini.set_payment_fields(address, amount)
 960
 961         if label and self.wallet.labels.get(address) != label:
 962             if self.question('Give label "%s" to address %s ?'%(label,address)):
 963                 if address not in self.wallet.addressbook and not self.wallet.is_mine(address):
 964                     self.wallet.addressbook.append(address)
 965                 self.wallet.set_label(address, label)
 966
 967         run_hook('set_url', url, self.show_message, self.question)
 968
 969         self.tabs.setCurrentIndex(1)
 970         label = self.wallet.labels.get(address)
 971         m_addr = label + '  <'+ address +'>' if label else address
 972         self.payto_e.setText(m_addr)
 973
 974         self.message_e.setText(message)
 975         if amount:
 976             self.amount_e.setText(amount)
 977
 978         if identity:
 979             self.set_frozen(self.payto_e,True)
 980             self.set_frozen(self.amount_e,True)
 981             self.set_frozen(self.message_e,True)
 982             self.payto_sig.setText( '      '+_('The bitcoin URI was signed by')+' ' + identity )
 983         else:
 984             self.payto_sig.setVisible(False)
 985
 986     def do_clear(self):
 987         self.payto_sig.setVisible(False)
 988         for e in [self.payto_e, self.message_e, self.amount_e, self.fee_e]:
 989             e.setText('')
 990             self.set_frozen(e,False)
 991
 992         self.pay_from = []
 993         self.tabs.emit(SIGNAL('currentChanged(int)'), 1)
 994
 995         self.update_status()
 996
 997     def set_frozen(self,entry,frozen):
 998         if frozen:
 999             entry.setReadOnly(True)
1000             entry.setFrame(False)
1001             palette = QPalette()
1002             palette.setColor(entry.backgroundRole(), QColor('lightgray'))
1003             entry.setPalette(palette)
1004         else:
1005             entry.setReadOnly(False)
1006             entry.setFrame(True)
1007             palette = QPalette()
1008             palette.setColor(entry.backgroundRole(), QColor('white'))
1009             entry.setPalette(palette)
1010
1011
1012     def set_addrs_frozen(self,addrs,freeze):
1013         for addr in addrs:
1014             if not addr: continue
1015             if addr in self.wallet.frozen_addresses and not freeze:
1016                 self.wallet.unfreeze(addr)
1017             elif addr not in self.wallet.frozen_addresses and freeze:
1018                 self.wallet.freeze(addr)
1019         self.update_receive_tab()
1020
1021
1022
1023     def create_list_tab(self, headers):
1024         "generic tab creation method"
1025         l = MyTreeWidget(self)
1026         l.setColumnCount( len(headers) )
1027         l.setHeaderLabels( headers )
1028
1029         w = QWidget()
1030         vbox = QVBoxLayout()
1031         w.setLayout(vbox)
1032
1033         vbox.setMargin(0)
1034         vbox.setSpacing(0)
1035         vbox.addWidget(l)
1036         buttons = QWidget()
1037         vbox.addWidget(buttons)
1038
1039         hbox = QHBoxLayout()
1040         hbox.setMargin(0)
1041         hbox.setSpacing(0)
1042         buttons.setLayout(hbox)
1043
1044         return l,w,hbox
1045
1046
1047     def create_receive_tab(self):
1048         l,w,hbox = self.create_list_tab([ _('Address'), _('Label'), _('Balance'), _('Tx')])
1049         l.setContextMenuPolicy(Qt.CustomContextMenu)
1050         l.customContextMenuRequested.connect(self.create_receive_menu)
1051         l.setSelectionMode(QAbstractItemView.ExtendedSelection)
1052         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1053         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1054         self.connect(l, SIGNAL('currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)'), lambda a,b: self.current_item_changed(a))
1055         self.receive_list = l
1056         self.receive_buttons_hbox = hbox
1057         hbox.addStretch(1)
1058         return w
1059
1060
1061
1062
1063     def save_column_widths(self):
1064         self.column_widths["receive"] = []
1065         for i in range(self.receive_list.columnCount() -1):
1066             self.column_widths["receive"].append(self.receive_list.columnWidth(i))
1067
1068         self.column_widths["history"] = []
1069         for i in range(self.history_list.columnCount() - 1):
1070             self.column_widths["history"].append(self.history_list.columnWidth(i))
1071
1072         self.column_widths["contacts"] = []
1073         for i in range(self.contacts_list.columnCount() - 1):
1074             self.column_widths["contacts"].append(self.contacts_list.columnWidth(i))
1075
1076         self.config.set_key("column_widths_2", self.column_widths, True)
1077
1078
1079     def create_contacts_tab(self):
1080         l,w,hbox = self.create_list_tab([_('Address'), _('Label'), _('Tx')])
1081         l.setContextMenuPolicy(Qt.CustomContextMenu)
1082         l.customContextMenuRequested.connect(self.create_contact_menu)
1083         for i,width in enumerate(self.column_widths['contacts']):
1084             l.setColumnWidth(i, width)
1085
1086         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1087         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1088         self.contacts_list = l
1089         self.contacts_buttons_hbox = hbox
1090         hbox.addStretch(1)
1091         return w
1092
1093
1094     def delete_imported_key(self, addr):
1095         if self.question(_("Do you want to remove")+" %s "%addr +_("from your wallet?")):
1096             self.wallet.delete_imported_key(addr)
1097             self.update_receive_tab()
1098             self.update_history_tab()
1099
1100     def edit_account_label(self, k):
1101         text, ok = QInputDialog.getText(self, _('Rename account'), _('Name') + ':', text = self.wallet.labels.get(k,''))
1102         if ok:
1103             label = unicode(text)
1104             self.wallet.set_label(k,label)
1105             self.update_receive_tab()
1106
1107     def account_set_expanded(self, item, k, b):
1108         item.setExpanded(b)
1109         self.accounts_expanded[k] = b
1110
1111     def create_account_menu(self, position, k, item):
1112         menu = QMenu()
1113         if item.isExpanded():
1114             menu.addAction(_("Minimize"), lambda: self.account_set_expanded(item, k, False))
1115         else:
1116             menu.addAction(_("Maximize"), lambda: self.account_set_expanded(item, k, True))
1117         menu.addAction(_("Rename"), lambda: self.edit_account_label(k))
1118         menu.addAction(_("View details"), lambda: self.show_account_details(k))
1119         if self.wallet.account_is_pending(k):
1120             menu.addAction(_("Delete"), lambda: self.delete_pending_account(k))
1121         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1122
1123     def delete_pending_account(self, k):
1124         self.wallet.delete_pending_account(k)
1125         self.update_receive_tab()
1126
1127     def create_receive_menu(self, position):
1128         # fixme: this function apparently has a side effect.
1129         # if it is not called the menu pops up several times
1130         #self.receive_list.selectedIndexes()
1131
1132         selected = self.receive_list.selectedItems()
1133         multi_select = len(selected) > 1
1134         addrs = [unicode(item.text(0)) for item in selected]
1135         if not multi_select:
1136             item = self.receive_list.itemAt(position)
1137             if not item: return
1138
1139             addr = addrs[0]
1140             if not is_valid(addr):
1141                 k = str(item.data(0,32).toString())
1142                 if k:
1143                     self.create_account_menu(position, k, item)
1144                 else:
1145                     item.setExpanded(not item.isExpanded())
1146                 return
1147
1148         menu = QMenu()
1149         if not multi_select:
1150             menu.addAction(_("Copy to clipboard"), lambda: self.app.clipboard().setText(addr))
1151             menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")) )
1152             menu.addAction(_("Edit label"), lambda: self.edit_label(True))
1153             if self.wallet.seed:
1154                 menu.addAction(_("Private key"), lambda: self.show_private_key(addr))
1155                 menu.addAction(_("Sign message"), lambda: self.sign_message(addr))
1156             if addr in self.wallet.imported_keys:
1157                 menu.addAction(_("Remove from wallet"), lambda: self.delete_imported_key(addr))
1158
1159         if any(addr not in self.wallet.frozen_addresses for addr in addrs):
1160             menu.addAction(_("Freeze"), lambda: self.set_addrs_frozen(addrs, True))
1161         if any(addr in self.wallet.frozen_addresses for addr in addrs):
1162             menu.addAction(_("Unfreeze"), lambda: self.set_addrs_frozen(addrs, False))
1163
1164         menu.addAction(_("Send From"), lambda: self.send_from_addresses(addrs))
1165
1166         run_hook('receive_menu', menu)
1167         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1168
1169
1170     def get_sendable_balance(self):
1171         return sum(sum(self.wallet.get_addr_balance(a)) for a in self.get_payment_sources())
1172
1173
1174     def get_payment_sources(self):
1175         if self.pay_from:
1176             return self.pay_from
1177         else:
1178             return self.wallet.get_account_addresses(self.current_account)
1179
1180
1181     def send_from_addresses(self, addrs):
1182         self.pay_from = addrs[:]
1183         self.tabs.setCurrentIndex(1)
1184
1185
1186     def payto(self, addr):
1187         if not addr: return
1188         label = self.wallet.labels.get(addr)
1189         m_addr = label + '  <' + addr + '>' if label else addr
1190         self.tabs.setCurrentIndex(1)
1191         self.payto_e.setText(m_addr)
1192         self.amount_e.setFocus()
1193
1194
1195     def delete_contact(self, x):
1196         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
1197             self.wallet.delete_contact(x)
1198             self.wallet.set_label(x, None)
1199             self.update_history_tab()
1200             self.update_contacts_tab()
1201             self.update_completions()
1202
1203
1204     def create_contact_menu(self, position):
1205         item = self.contacts_list.itemAt(position)
1206         if not item: return
1207         addr = unicode(item.text(0))
1208         label = unicode(item.text(1))
1209         is_editable = item.data(0,32).toBool()
1210         payto_addr = item.data(0,33).toString()
1211         menu = QMenu()
1212         menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
1213         menu.addAction(_("Pay to"), lambda: self.payto(payto_addr))
1214         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")))
1215         if is_editable:
1216             menu.addAction(_("Edit label"), lambda: self.edit_label(False))
1217             menu.addAction(_("Delete"), lambda: self.delete_contact(addr))
1218
1219         run_hook('create_contact_menu', menu, item)
1220         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
1221
1222
1223     def update_receive_item(self, item, num_tx = 0):
1224         item.setFont(0, QFont(MONOSPACE_FONT))
1225         address = str(item.data(0,0).toString())
1226         label = self.wallet.labels.get(address,'')
1227         item.setData(1,0,label)
1228         item.setData(0,32, True) # is editable
1229
1230         run_hook('update_receive_item', address, item)
1231
1232         if not self.wallet.is_mine(address): return
1233
1234         c, u = self.wallet.get_addr_balance(address)
1235         balance = self.format_amount(c + u)
1236         item.setData(2,0,balance)
1237
1238         if (num_tx > 1) and (c == -u):
1239             item.setForeground(0,QColor('lightgray'))
1240             item.setForeground(1,QColor('gray'))
1241             item.setForeground(2,QColor('gray'))
1242             item.setForeground(3,QColor('gray'))
1243         elif address in self.wallet.frozen_addresses:
1244             item.setBackgroundColor(0, QColor('lightblue'))
1245
1246
1247     def update_receive_tab(self):
1248         l = self.receive_list
1249
1250         l.clear()
1251         l.setColumnHidden(2, False)
1252         l.setColumnHidden(3, False)
1253         for i,width in enumerate(self.column_widths['receive']):
1254             l.setColumnWidth(i, width)
1255
1256         if self.current_account is None:
1257             account_items = self.wallet.accounts.items()
1258         elif self.current_account != -1:
1259             account_items = [(self.current_account, self.wallet.accounts.get(self.current_account))]
1260         else:
1261             account_items = []
1262
1263         for k, account in account_items:
1264             name = self.wallet.get_account_name(k)
1265             c,u = self.wallet.get_account_balance(k)
1266             account_item = QTreeWidgetItem( [ name, '', self.format_amount(c+u), ''] )
1267             l.addTopLevelItem(account_item)
1268             account_item.setExpanded(self.accounts_expanded.get(k, True))
1269             account_item.setData(0, 32, k)
1270
1271             if not self.wallet.is_seeded(k):
1272                 icon = QIcon(":icons/key.png")
1273                 account_item.setIcon(0, icon)
1274
1275             for is_change in ([0,1]):
1276                 name = _("Receiving") if not is_change else _("Change")
1277                 seq_item = QTreeWidgetItem( [ name, '', '', '', ''] )
1278                 account_item.addChild(seq_item)
1279                 used_item = QTreeWidgetItem( [ _("Used"), '', '', '', ''] )
1280                 used_flag = False
1281                 if not is_change: seq_item.setExpanded(True)
1282
1283                 is_red = False
1284                 gap = 0
1285
1286                 for address in account.get_addresses(is_change):
1287                     h = self.wallet.history.get(address,[])
1288
1289                     if h == []:
1290                         gap += 1
1291                         if gap > self.wallet.gap_limit:
1292                             is_red = True
1293                     else:
1294                         gap = 0
1295
1296                     c, u = self.wallet.get_addr_balance(address)
1297                     num_tx = '*' if h == ['*'] else "%d"%len(h)
1298                     item = QTreeWidgetItem( [ address, '', '', num_tx] )
1299                     self.update_receive_item(item, len(h))
1300                     if is_red:
1301                         item.setBackgroundColor(1, QColor('red'))
1302                     if len(h) > 0 and c == -u:
1303                         if not used_flag:
1304                             seq_item.addChild(used_item)
1305                             used_flag = True
1306                         used_item.addChild(item)
1307                     else:
1308                         seq_item.addChild(item)
1309
1310
1311         for k, addr in self.wallet.get_pending_accounts():
1312             name = self.wallet.labels.get(k,'')
1313             account_item = QTreeWidgetItem( [ name + "  [ "+_('pending account')+" ]", '', '', ''] )
1314             self.update_receive_item(item)
1315             l.addTopLevelItem(account_item)
1316             account_item.setExpanded(True)
1317             account_item.setData(0, 32, k)
1318             item = QTreeWidgetItem( [ addr, '', '', '', ''] )
1319             account_item.addChild(item)
1320             self.update_receive_item(item)
1321
1322
1323         if self.wallet.imported_keys and (self.current_account is None or self.current_account == -1):
1324             c,u = self.wallet.get_imported_balance()
1325             account_item = QTreeWidgetItem( [ _('Imported'), '', self.format_amount(c+u), ''] )
1326             l.addTopLevelItem(account_item)
1327             account_item.setExpanded(True)
1328             for address in self.wallet.imported_keys.keys():
1329                 item = QTreeWidgetItem( [ address, '', '', ''] )
1330                 self.update_receive_item(item)
1331                 account_item.addChild(item)
1332
1333
1334         # we use column 1 because column 0 may be hidden
1335         l.setCurrentItem(l.topLevelItem(0),1)
1336
1337
1338     def update_contacts_tab(self):
1339         l = self.contacts_list
1340         l.clear()
1341
1342         for address in self.wallet.addressbook:
1343             label = self.wallet.labels.get(address,'')
1344             n = self.wallet.get_num_tx(address)
1345             item = QTreeWidgetItem( [ address, label, "%d"%n] )
1346             item.setFont(0, QFont(MONOSPACE_FONT))
1347             # 32 = label can be edited (bool)
1348             item.setData(0,32, True)
1349             # 33 = payto string
1350             item.setData(0,33, address)
1351             l.addTopLevelItem(item)
1352
1353         run_hook('update_contacts_tab', l)
1354         l.setCurrentItem(l.topLevelItem(0))
1355
1356
1357
1358     def create_console_tab(self):
1359         from console import Console
1360         self.console = console = Console()
1361         return console
1362
1363
1364     def update_console(self):
1365         console = self.console
1366         console.history = self.config.get("console-history",[])
1367         console.history_index = len(console.history)
1368
1369         console.updateNamespace({'wallet' : self.wallet, 'network' : self.network, 'gui':self})
1370         console.updateNamespace({'util' : util, 'bitcoin':bitcoin})
1371
1372         c = commands.Commands(self.wallet, self.network, lambda: self.console.set_json(True))
1373         methods = {}
1374         def mkfunc(f, method):
1375             return lambda *args: apply( f, (method, args, self.password_dialog ))
1376         for m in dir(c):
1377             if m[0]=='_' or m in ['network','wallet']: continue
1378             methods[m] = mkfunc(c._run, m)
1379
1380         console.updateNamespace(methods)
1381
1382
1383     def change_account(self,s):
1384         if s == _("All accounts"):
1385             self.current_account = None
1386         else:
1387             accounts = self.wallet.get_account_names()
1388             for k, v in accounts.items():
1389                 if v == s:
1390                     self.current_account = k
1391         self.update_history_tab()
1392         self.update_status()
1393         self.update_receive_tab()
1394
1395     def create_status_bar(self):
1396
1397         sb = QStatusBar()
1398         sb.setFixedHeight(35)
1399         qtVersion = qVersion()
1400
1401         self.balance_label = QLabel("")
1402         sb.addWidget(self.balance_label)
1403
1404         from version_getter import UpdateLabel
1405         self.updatelabel = UpdateLabel(self.config, sb)
1406
1407         self.account_selector = QComboBox()
1408         self.connect(self.account_selector,SIGNAL("activated(QString)"),self.change_account)
1409         sb.addPermanentWidget(self.account_selector)
1410
1411         if (int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
1412             sb.addPermanentWidget( StatusBarButton( QIcon(":icons/switchgui.png"), _("Switch to Lite Mode"), self.go_lite ) )
1413
1414         self.lock_icon = QIcon()
1415         self.password_button = StatusBarButton( self.lock_icon, _("Password"), self.change_password_dialog )
1416         sb.addPermanentWidget( self.password_button )
1417
1418         sb.addPermanentWidget( StatusBarButton( QIcon(":icons/preferences.png"), _("Preferences"), self.settings_dialog ) )
1419         self.seed_button = StatusBarButton( QIcon(":icons/seed.png"), _("Seed"), self.show_seed_dialog )
1420         sb.addPermanentWidget( self.seed_button )
1421         self.status_button = StatusBarButton( QIcon(":icons/status_disconnected.png"), _("Network"), self.run_network_dialog )
1422         sb.addPermanentWidget( self.status_button )
1423
1424         run_hook('create_status_bar', (sb,))
1425
1426         self.setStatusBar(sb)
1427
1428
1429     def update_lock_icon(self):
1430         icon = QIcon(":icons/lock.png") if self.wallet.use_encryption else QIcon(":icons/unlock.png")
1431         self.password_button.setIcon( icon )
1432
1433
1434     def update_buttons_on_seed(self):
1435         if not self.wallet.is_watching_only():
1436            self.seed_button.show()
1437            self.password_button.show()
1438            self.send_button.setText(_("Send"))
1439         else:
1440            self.password_button.hide()
1441            self.seed_button.hide()
1442            self.send_button.setText(_("Create unsigned transaction"))
1443
1444
1445     def change_password_dialog(self):
1446         from password_dialog import PasswordDialog
1447         d = PasswordDialog(self.wallet, self)
1448         d.run()
1449         self.update_lock_icon()
1450
1451
1452     def new_contact_dialog(self):
1453
1454         d = QDialog(self)
1455         vbox = QVBoxLayout(d)
1456         vbox.addWidget(QLabel(_('New Contact')+':'))
1457
1458         grid = QGridLayout()
1459         line1 = QLineEdit()
1460         line2 = QLineEdit()
1461         grid.addWidget(QLabel(_("Address")), 1, 0)
1462         grid.addWidget(line1, 1, 1)
1463         grid.addWidget(QLabel(_("Name")), 2, 0)
1464         grid.addWidget(line2, 2, 1)
1465
1466         vbox.addLayout(grid)
1467         vbox.addLayout(ok_cancel_buttons(d))
1468
1469         if not d.exec_():
1470             return
1471
1472         address = str(line1.text())
1473         label = unicode(line2.text())
1474
1475         if not is_valid(address):
1476             QMessageBox.warning(self, _('Error'), _('Invalid Address'), _('OK'))
1477             return
1478
1479         self.wallet.add_contact(address)
1480         if label:
1481             self.wallet.set_label(address, label)
1482
1483         self.update_contacts_tab()
1484         self.update_history_tab()
1485         self.update_completions()
1486         self.tabs.setCurrentIndex(3)
1487
1488
1489     def new_account_dialog(self):
1490
1491         dialog = QDialog(self)
1492         dialog.setModal(1)
1493         dialog.setWindowTitle(_("New Account"))
1494
1495         vbox = QVBoxLayout()
1496         vbox.addWidget(QLabel(_('Account name')+':'))
1497         e = QLineEdit()
1498         vbox.addWidget(e)
1499         msg = _("Note: Newly created accounts are 'pending' until they receive bitcoins.") + " " \
1500             + _("You will need to wait for 2 confirmations until the correct balance is displayed and more addresses are created for that account.")
1501         l = QLabel(msg)
1502         l.setWordWrap(True)
1503         vbox.addWidget(l)
1504
1505         vbox.addLayout(ok_cancel_buttons(dialog))
1506         dialog.setLayout(vbox)
1507         r = dialog.exec_()
1508         if not r: return
1509
1510         name = str(e.text())
1511         if not name: return
1512
1513         self.wallet.create_pending_account('1', name)
1514         self.update_receive_tab()
1515         self.tabs.setCurrentIndex(2)
1516
1517
1518
1519     def show_master_public_key_old(self):
1520         dialog = QDialog(self)
1521         dialog.setModal(1)
1522         dialog.setWindowTitle(_("Master Public Key"))
1523
1524         main_text = QTextEdit()
1525         main_text.setText(self.wallet.get_master_public_key())
1526         main_text.setReadOnly(True)
1527         main_text.setMaximumHeight(170)
1528         qrw = QRCodeWidget(self.wallet.get_master_public_key())
1529
1530         ok_button = QPushButton(_("OK"))
1531         ok_button.setDefault(True)
1532         ok_button.clicked.connect(dialog.accept)
1533
1534         main_layout = QGridLayout()
1535         main_layout.addWidget(QLabel(_('Your Master Public Key is:')), 0, 0, 1, 2)
1536
1537         main_layout.addWidget(main_text, 1, 0)
1538         main_layout.addWidget(qrw, 1, 1 )
1539
1540         vbox = QVBoxLayout()
1541         vbox.addLayout(main_layout)
1542         vbox.addLayout(close_button(dialog))
1543         dialog.setLayout(vbox)
1544         dialog.exec_()
1545
1546
1547     def show_master_public_key(self):
1548
1549         if self.wallet.seed_version == 4:
1550             self.show_master_public_key_old()
1551             return
1552
1553         dialog = QDialog(self)
1554         dialog.setModal(1)
1555         dialog.setWindowTitle(_("Master Public Keys"))
1556
1557         chain_text = QTextEdit()
1558         chain_text.setReadOnly(True)
1559         chain_text.setMaximumHeight(170)
1560         chain_qrw = QRCodeWidget()
1561
1562         mpk_text = QTextEdit()
1563         mpk_text.setReadOnly(True)
1564         mpk_text.setMaximumHeight(170)
1565         mpk_qrw = QRCodeWidget()
1566
1567         main_layout = QGridLayout()
1568
1569         main_layout.addWidget(QLabel(_('Key')), 1, 0)
1570         main_layout.addWidget(mpk_text, 1, 1)
1571         main_layout.addWidget(mpk_qrw, 1, 2)
1572
1573         main_layout.addWidget(QLabel(_('Chain')), 2, 0)
1574         main_layout.addWidget(chain_text, 2, 1)
1575         main_layout.addWidget(chain_qrw, 2, 2)
1576
1577         def update(key):
1578             c, K, cK = self.wallet.master_public_keys[str(key)]
1579             chain_text.setText(c)
1580             chain_qrw.set_addr(c)
1581             chain_qrw.update_qr()
1582             mpk_text.setText(K)
1583             mpk_qrw.set_addr(K)
1584             mpk_qrw.update_qr()
1585
1586         key_selector = QComboBox()
1587         keys = sorted(self.wallet.master_public_keys.keys())
1588         key_selector.addItems(keys)
1589
1590         main_layout.addWidget(QLabel(_('Derivation:')), 0, 0)
1591         main_layout.addWidget(key_selector, 0, 1)
1592         dialog.connect(key_selector,SIGNAL("activated(QString)"),update)
1593
1594         update(keys[0])
1595
1596         vbox = QVBoxLayout()
1597         vbox.addLayout(main_layout)
1598         vbox.addLayout(close_button(dialog))
1599
1600         dialog.setLayout(vbox)
1601         dialog.exec_()
1602
1603
1604     @protected
1605     def show_seed_dialog(self, password):
1606         if self.wallet.is_watching_only():
1607             QMessageBox.information(self, _('Message'), _('This is a watching-only wallet'), _('OK'))
1608             return
1609
1610         if self.wallet.seed:
1611             try:
1612                 mnemonic = self.wallet.get_mnemonic(password)
1613             except Exception:
1614                 QMessageBox.warning(self, _('Error'), _('Incorrect Password'), _('OK'))
1615                 return
1616             from seed_dialog import SeedDialog
1617             d = SeedDialog(self, mnemonic, self.wallet.imported_keys)
1618             d.exec_()
1619         else:
1620             l = {}
1621             for k in self.wallet.master_private_keys.keys():
1622                 pk = self.wallet.get_master_private_key(k, password)
1623                 l[k] = pk
1624             from seed_dialog import PrivateKeysDialog
1625             d = PrivateKeysDialog(self,l)
1626             d.exec_()
1627
1628
1629
1630
1631
1632     def show_qrcode(self, data, title = _("QR code")):
1633         if not data: return
1634         d = QDialog(self)
1635         d.setModal(1)
1636         d.setWindowTitle(title)
1637         d.setMinimumSize(270, 300)
1638         vbox = QVBoxLayout()
1639         qrw = QRCodeWidget(data)
1640         vbox.addWidget(qrw, 1)
1641         vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
1642         hbox = QHBoxLayout()
1643         hbox.addStretch(1)
1644
1645         filename = os.path.join(self.config.path, "qrcode.bmp")
1646
1647         def print_qr():
1648             bmp.save_qrcode(qrw.qr, filename)
1649             QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
1650
1651         def copy_to_clipboard():
1652             bmp.save_qrcode(qrw.qr, filename)
1653             self.app.clipboard().setImage(QImage(filename))
1654             QMessageBox.information(None, _('Message'), _("QR code saved to clipboard"), _('OK'))
1655
1656         b = QPushButton(_("Copy"))
1657         hbox.addWidget(b)
1658         b.clicked.connect(copy_to_clipboard)
1659
1660         b = QPushButton(_("Save"))
1661         hbox.addWidget(b)
1662         b.clicked.connect(print_qr)
1663
1664         b = QPushButton(_("Close"))
1665         hbox.addWidget(b)
1666         b.clicked.connect(d.accept)
1667         b.setDefault(True)
1668
1669         vbox.addLayout(hbox)
1670         d.setLayout(vbox)
1671         d.exec_()
1672
1673
1674     def do_protect(self, func, args):
1675         if self.wallet.use_encryption:
1676             password = self.password_dialog()
1677             if not password:
1678                 return
1679         else:
1680             password = None
1681
1682         if args != (False,):
1683             args = (self,) + args + (password,)
1684         else:
1685             args = (self,password)
1686         apply( func, args)
1687
1688
1689     @protected
1690     def show_private_key(self, address, password):
1691         if not address: return
1692         try:
1693             pk_list = self.wallet.get_private_key(address, password)
1694         except Exception as e:
1695             self.show_message(str(e))
1696             return
1697         QMessageBox.information(self, _('Private key'), _('Address')+ ': ' + address + '\n\n' + _('Private key') + ': ' + '\n'.join(pk_list), _('OK'))
1698
1699
1700     @protected
1701     def do_sign(self, address, message, signature, password):
1702         message = unicode(message.toPlainText())
1703         message = message.encode('utf-8')
1704         try:
1705             sig = self.wallet.sign_message(str(address.text()), message, password)
1706             signature.setText(sig)
1707         except Exception as e:
1708             self.show_message(str(e))
1709
1710     def sign_message(self, address):
1711         if not address: return
1712         d = QDialog(self)
1713         d.setModal(1)
1714         d.setWindowTitle(_('Sign Message'))
1715         d.setMinimumSize(410, 290)
1716
1717         tab_widget = QTabWidget()
1718         tab = QWidget()
1719         layout = QGridLayout(tab)
1720
1721         sign_address = QLineEdit()
1722
1723         sign_address.setText(address)
1724         layout.addWidget(QLabel(_('Address')), 1, 0)
1725         layout.addWidget(sign_address, 1, 1)
1726
1727         sign_message = QTextEdit()
1728         layout.addWidget(QLabel(_('Message')), 2, 0)
1729         layout.addWidget(sign_message, 2, 1)
1730         layout.setRowStretch(2,3)
1731
1732         sign_signature = QTextEdit()
1733         layout.addWidget(QLabel(_('Signature')), 3, 0)
1734         layout.addWidget(sign_signature, 3, 1)
1735         layout.setRowStretch(3,1)
1736
1737
1738         hbox = QHBoxLayout()
1739         b = QPushButton(_("Sign"))
1740         hbox.addWidget(b)
1741         b.clicked.connect(lambda: self.do_sign(sign_address, sign_message, sign_signature))
1742         b = QPushButton(_("Close"))
1743         b.clicked.connect(d.accept)
1744         hbox.addWidget(b)
1745         layout.addLayout(hbox, 4, 1)
1746         tab_widget.addTab(tab, _("Sign"))
1747
1748
1749         tab = QWidget()
1750         layout = QGridLayout(tab)
1751
1752         verify_address = QLineEdit()
1753         layout.addWidget(QLabel(_('Address')), 1, 0)
1754         layout.addWidget(verify_address, 1, 1)
1755
1756         verify_message = QTextEdit()
1757         layout.addWidget(QLabel(_('Message')), 2, 0)
1758         layout.addWidget(verify_message, 2, 1)
1759         layout.setRowStretch(2,3)
1760
1761         verify_signature = QTextEdit()
1762         layout.addWidget(QLabel(_('Signature')), 3, 0)
1763         layout.addWidget(verify_signature, 3, 1)
1764         layout.setRowStretch(3,1)
1765
1766         def do_verify():
1767             message = unicode(verify_message.toPlainText())
1768             message = message.encode('utf-8')
1769             if bitcoin.verify_message(verify_address.text(), str(verify_signature.toPlainText()), message):
1770                 self.show_message(_("Signature verified"))
1771             else:
1772                 self.show_message(_("Error: wrong signature"))
1773
1774         hbox = QHBoxLayout()
1775         b = QPushButton(_("Verify"))
1776         b.clicked.connect(do_verify)
1777         hbox.addWidget(b)
1778         b = QPushButton(_("Close"))
1779         b.clicked.connect(d.accept)
1780         hbox.addWidget(b)
1781         layout.addLayout(hbox, 4, 1)
1782         tab_widget.addTab(tab, _("Verify"))
1783
1784         vbox = QVBoxLayout()
1785         vbox.addWidget(tab_widget)
1786         d.setLayout(vbox)
1787         d.exec_()
1788
1789
1790
1791
1792     def question(self, msg):
1793         return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
1794
1795     def show_message(self, msg):
1796         QMessageBox.information(self, _('Message'), msg, _('OK'))
1797
1798     def password_dialog(self ):
1799         d = QDialog(self)
1800         d.setModal(1)
1801
1802         pw = QLineEdit()
1803         pw.setEchoMode(2)
1804
1805         vbox = QVBoxLayout()
1806         msg = _('Please enter your password')
1807         vbox.addWidget(QLabel(msg))
1808
1809         grid = QGridLayout()
1810         grid.setSpacing(8)
1811         grid.addWidget(QLabel(_('Password')), 1, 0)
1812         grid.addWidget(pw, 1, 1)
1813         vbox.addLayout(grid)
1814
1815         vbox.addLayout(ok_cancel_buttons(d))
1816         d.setLayout(vbox)
1817
1818         run_hook('password_dialog', pw, grid, 1)
1819         if not d.exec_(): return
1820         return unicode(pw.text())
1821
1822
1823
1824
1825
1826
1827
1828
1829     def tx_from_text(self, txt):
1830         "json or raw hexadecimal"
1831         try:
1832             txt.decode('hex')
1833             tx = Transaction(txt)
1834             return tx
1835         except Exception:
1836             pass
1837
1838         try:
1839             tx_dict = json.loads(str(txt))
1840             assert "hex" in tx_dict.keys()
1841             assert "complete" in tx_dict.keys()
1842             tx = Transaction(tx_dict["hex"], tx_dict["complete"])
1843             if not tx_dict["complete"]:
1844                 assert "input_info" in tx_dict.keys()
1845                 input_info = json.loads(tx_dict['input_info'])
1846                 tx.add_input_info(input_info)
1847             return tx
1848         except Exception:
1849             pass
1850
1851         QMessageBox.critical(None, _("Unable to parse transaction"), _("Electrum was unable to parse your transaction"))
1852
1853
1854
1855     def read_tx_from_file(self):
1856         fileName = self.getOpenFileName(_("Select your transaction file"), "*.txn")
1857         if not fileName:
1858             return
1859         try:
1860             with open(fileName, "r") as f:
1861                 file_content = f.read()
1862         except (ValueError, IOError, os.error), reason:
1863             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1864
1865         return self.tx_from_text(file_content)
1866
1867
1868     @protected
1869     def sign_raw_transaction(self, tx, input_info, password):
1870         self.wallet.signrawtransaction(tx, input_info, [], password)
1871
1872     def do_process_from_text(self):
1873         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
1874         if not text:
1875             return
1876         tx = self.tx_from_text(text)
1877         if tx:
1878             self.show_transaction(tx)
1879
1880     def do_process_from_file(self):
1881         tx = self.read_tx_from_file()
1882         if tx:
1883             self.show_transaction(tx)
1884
1885     def do_process_from_csvReader(self, csvReader):
1886         outputs = []
1887         try:
1888             for row in csvReader:
1889                 address = row[0]
1890                 amount = float(row[1])
1891                 amount = int(100000000*amount)
1892                 outputs.append((address, amount))
1893         except (ValueError, IOError, os.error), reason:
1894             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1895             return
1896
1897         try:
1898             tx = self.wallet.make_unsigned_transaction(outputs, None, None)
1899         except Exception as e:
1900             self.show_message(str(e))
1901             return
1902
1903         self.show_transaction(tx)
1904
1905     def do_process_from_csv_file(self):
1906         fileName = self.getOpenFileName(_("Select your transaction CSV"), "*.csv")
1907         if not fileName:
1908             return
1909         try:
1910             with open(fileName, "r") as f:
1911                 csvReader = csv.reader(f)
1912                 self.do_process_from_csvReader(csvReader)
1913         except (ValueError, IOError, os.error), reason:
1914             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1915             return
1916
1917     def do_process_from_csv_text(self):
1918         text = text_dialog(self, _('Input CSV'), _("Please enter a list of outputs.") + '\n' \
1919                                + _("Format: address, amount. One output per line"), _("Load CSV"))
1920         if not text:
1921             return
1922         f = StringIO.StringIO(text)
1923         csvReader = csv.reader(f)
1924         self.do_process_from_csvReader(csvReader)
1925
1926
1927
1928     @protected
1929     def do_export_privkeys(self, password):
1930         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.")))
1931
1932         try:
1933             select_export = _('Select file to export your private keys to')
1934             fileName = self.getSaveFileName(select_export, 'electrum-private-keys.csv', "*.csv")
1935             if fileName:
1936                 with open(fileName, "w+") as csvfile:
1937                     transaction = csv.writer(csvfile)
1938                     transaction.writerow(["address", "private_key"])
1939
1940                     addresses = self.wallet.addresses(True)
1941
1942                     for addr in addresses:
1943                         pk = "".join(self.wallet.get_private_key(addr, password))
1944                         transaction.writerow(["%34s"%addr,pk])
1945
1946                     self.show_message(_("Private keys exported."))
1947
1948         except (IOError, os.error), reason:
1949             export_error_label = _("Electrum was unable to produce a private key-export.")
1950             QMessageBox.critical(None, _("Unable to create csv"), export_error_label + "\n" + str(reason))
1951
1952         except Exception as e:
1953           self.show_message(str(e))
1954           return
1955
1956
1957     def do_import_labels(self):
1958         labelsFile = self.getOpenFileName(_("Open labels file"), "*.dat")
1959         if not labelsFile: return
1960         try:
1961             f = open(labelsFile, 'r')
1962             data = f.read()
1963             f.close()
1964             for key, value in json.loads(data).items():
1965                 self.wallet.set_label(key, value)
1966             QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
1967         except (IOError, os.error), reason:
1968             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
1969
1970
1971     def do_export_labels(self):
1972         labels = self.wallet.labels
1973         try:
1974             fileName = self.getSaveFileName(_("Select file to save your labels"), 'electrum_labels.dat', "*.dat")
1975             if fileName:
1976                 with open(fileName, 'w+') as f:
1977                     json.dump(labels, f)
1978                 QMessageBox.information(None, _("Labels exported"), _("Your labels where exported to")+" '%s'" % str(fileName))
1979         except (IOError, os.error), reason:
1980             QMessageBox.critical(None, _("Unable to export labels"), _("Electrum was unable to export your labels.")+"\n" + str(reason))
1981
1982
1983     def do_export_history(self):
1984         from lite_window import csv_transaction
1985         csv_transaction(self.wallet)
1986
1987
1988     @protected
1989     def do_import_privkey(self, password):
1990         if not self.wallet.imported_keys:
1991             r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
1992                                          + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
1993                                          + _('Are you sure you understand what you are doing?'), 3, 4)
1994             if r == 4: return
1995
1996         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
1997         if not text: return
1998
1999         text = str(text).split()
2000         badkeys = []
2001         addrlist = []
2002         for key in text:
2003             try:
2004                 addr = self.wallet.import_key(key, password)
2005             except Exception as e:
2006                 badkeys.append(key)
2007                 continue
2008             if not addr:
2009                 badkeys.append(key)
2010             else:
2011                 addrlist.append(addr)
2012         if addrlist:
2013             QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
2014         if badkeys:
2015             QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
2016         self.update_receive_tab()
2017         self.update_history_tab()
2018
2019
2020     def settings_dialog(self):
2021         d = QDialog(self)
2022         d.setWindowTitle(_('Electrum Settings'))
2023         d.setModal(1)
2024         vbox = QVBoxLayout()
2025         grid = QGridLayout()
2026         grid.setColumnStretch(0,1)
2027
2028         nz_label = QLabel(_('Display zeros') + ':')
2029         grid.addWidget(nz_label, 0, 0)
2030         nz_e = AmountEdit(None,True)
2031         nz_e.setText("%d"% self.num_zeros)
2032         grid.addWidget(nz_e, 0, 1)
2033         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
2034         grid.addWidget(HelpButton(msg), 0, 2)
2035         if not self.config.is_modifiable('num_zeros'):
2036             for w in [nz_e, nz_label]: w.setEnabled(False)
2037
2038         lang_label=QLabel(_('Language') + ':')
2039         grid.addWidget(lang_label, 1, 0)
2040         lang_combo = QComboBox()
2041         from electrum.i18n import languages
2042         lang_combo.addItems(languages.values())
2043         try:
2044             index = languages.keys().index(self.config.get("language",''))
2045         except Exception:
2046             index = 0
2047         lang_combo.setCurrentIndex(index)
2048         grid.addWidget(lang_combo, 1, 1)
2049         grid.addWidget(HelpButton(_('Select which language is used in the GUI (after restart).')+' '), 1, 2)
2050         if not self.config.is_modifiable('language'):
2051             for w in [lang_combo, lang_label]: w.setEnabled(False)
2052
2053
2054         fee_label = QLabel(_('Transaction fee') + ':')
2055         grid.addWidget(fee_label, 2, 0)
2056         fee_e = AmountEdit(self.base_unit)
2057         fee_e.setText(self.format_amount(self.wallet.fee).strip())
2058         grid.addWidget(fee_e, 2, 1)
2059         msg = _('Fee per kilobyte of transaction.') + ' ' \
2060             + _('Recommended value') + ': ' + self.format_amount(20000)
2061         grid.addWidget(HelpButton(msg), 2, 2)
2062         if not self.config.is_modifiable('fee_per_kb'):
2063             for w in [fee_e, fee_label]: w.setEnabled(False)
2064
2065         units = ['BTC', 'mBTC']
2066         unit_label = QLabel(_('Base unit') + ':')
2067         grid.addWidget(unit_label, 3, 0)
2068         unit_combo = QComboBox()
2069         unit_combo.addItems(units)
2070         unit_combo.setCurrentIndex(units.index(self.base_unit()))
2071         grid.addWidget(unit_combo, 3, 1)
2072         grid.addWidget(HelpButton(_('Base unit of your wallet.')\
2073                                              + '\n1BTC=1000mBTC.\n' \
2074                                              + _(' This settings affects the fields in the Send tab')+' '), 3, 2)
2075
2076         usechange_cb = QCheckBox(_('Use change addresses'))
2077         usechange_cb.setChecked(self.wallet.use_change)
2078         grid.addWidget(usechange_cb, 4, 0)
2079         grid.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions.')+' '), 4, 2)
2080         if not self.config.is_modifiable('use_change'): usechange_cb.setEnabled(False)
2081
2082         grid.setRowStretch(5,1)
2083
2084         vbox.addLayout(grid)
2085         vbox.addLayout(ok_cancel_buttons(d))
2086         d.setLayout(vbox)
2087
2088         # run the dialog
2089         if not d.exec_(): return
2090
2091         fee = unicode(fee_e.text())
2092         try:
2093             fee = self.read_amount(fee)
2094         except Exception:
2095             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
2096             return
2097
2098         self.wallet.set_fee(fee)
2099
2100         nz = unicode(nz_e.text())
2101         try:
2102             nz = int( nz )
2103             if nz>8: nz=8
2104         except Exception:
2105             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
2106             return
2107
2108         if self.num_zeros != nz:
2109             self.num_zeros = nz
2110             self.config.set_key('num_zeros', nz, True)
2111             self.update_history_tab()
2112             self.update_receive_tab()
2113
2114         usechange_result = usechange_cb.isChecked()
2115         if self.wallet.use_change != usechange_result:
2116             self.wallet.use_change = usechange_result
2117             self.wallet.storage.put('use_change', self.wallet.use_change)
2118
2119         unit_result = units[unit_combo.currentIndex()]
2120         if self.base_unit() != unit_result:
2121             self.decimal_point = 8 if unit_result == 'BTC' else 5
2122             self.config.set_key('decimal_point', self.decimal_point, True)
2123             self.update_history_tab()
2124             self.update_status()
2125
2126         need_restart = False
2127
2128         lang_request = languages.keys()[lang_combo.currentIndex()]
2129         if lang_request != self.config.get('language'):
2130             self.config.set_key("language", lang_request, True)
2131             need_restart = True
2132
2133         run_hook('close_settings_dialog')
2134
2135         if need_restart:
2136             QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
2137
2138
2139     def run_network_dialog(self):
2140         if not self.network:
2141             return
2142         NetworkDialog(self.wallet.network, self.config, self).do_exec()
2143
2144     def closeEvent(self, event):
2145         g = self.geometry()
2146         self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()], True)
2147         self.save_column_widths()
2148         self.config.set_key("console-history", self.console.history[-50:], True)
2149         self.wallet.storage.put('accounts_expanded', self.accounts_expanded)
2150         event.accept()
2151
2152
2153
2154     def plugins_dialog(self):
2155         from electrum.plugins import plugins
2156
2157         d = QDialog(self)
2158         d.setWindowTitle(_('Electrum Plugins'))
2159         d.setModal(1)
2160
2161         vbox = QVBoxLayout(d)
2162
2163         # plugins
2164         scroll = QScrollArea()
2165         scroll.setEnabled(True)
2166         scroll.setWidgetResizable(True)
2167         scroll.setMinimumSize(400,250)
2168         vbox.addWidget(scroll)
2169
2170         w = QWidget()
2171         scroll.setWidget(w)
2172         w.setMinimumHeight(len(plugins)*35)
2173
2174         grid = QGridLayout()
2175         grid.setColumnStretch(0,1)
2176         w.setLayout(grid)
2177
2178         def do_toggle(cb, p, w):
2179             r = p.toggle()
2180             cb.setChecked(r)
2181             if w: w.setEnabled(r)
2182
2183         def mk_toggle(cb, p, w):
2184             return lambda: do_toggle(cb,p,w)
2185
2186         for i, p in enumerate(plugins):
2187             try:
2188                 cb = QCheckBox(p.fullname())
2189                 cb.setDisabled(not p.is_available())
2190                 cb.setChecked(p.is_enabled())
2191                 grid.addWidget(cb, i, 0)
2192                 if p.requires_settings():
2193                     w = p.settings_widget(self)
2194                     w.setEnabled( p.is_enabled() )
2195                     grid.addWidget(w, i, 1)
2196                 else:
2197                     w = None
2198                 cb.clicked.connect(mk_toggle(cb,p,w))
2199                 grid.addWidget(HelpButton(p.description()), i, 2)
2200             except Exception:
2201                 print_msg(_("Error: cannot display plugin"), p)
2202                 traceback.print_exc(file=sys.stdout)
2203         grid.setRowStretch(i+1,1)
2204
2205         vbox.addLayout(close_button(d))
2206
2207         d.exec_()
2208
2209
2210     def show_account_details(self, k):
2211         d = QDialog(self)
2212         d.setWindowTitle(_('Account Details'))
2213         d.setModal(1)
2214
2215         vbox = QVBoxLayout(d)
2216         roots = self.wallet.get_roots(k)
2217
2218         name = self.wallet.get_account_name(k)
2219         label = QLabel('Name: ' + name)
2220         vbox.addWidget(label)
2221
2222         acctype = '2 of 2' if len(roots) == 2 else '2 of 3' if len(roots) == 3 else 'Single key'
2223         vbox.addWidget(QLabel('Type: ' + acctype))
2224
2225         label = QLabel('Derivation: ' + k)
2226         vbox.addWidget(label)
2227
2228         #for root in roots:
2229         #    mpk = self.wallet.master_public_keys[root]
2230         #    text = QTextEdit()
2231         #    text.setReadOnly(True)
2232         #    text.setMaximumHeight(120)
2233         #    text.setText(repr(mpk))
2234         #    vbox.addWidget(text)
2235
2236         vbox.addLayout(close_button(d))
2237         d.exec_()