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         self.icon = QIcon(':icons/electrum_light_icon.png')
 143         self.tray = QSystemTrayIcon(self.icon, self)
 144         self.tray.setToolTip('Electrum')
 145         self.tray.activated.connect(self.tray_activated)
 146
 147         self.build_menu()
 148         self.tray.show()
 149         self.create_status_bar()
 150
 151         self.need_update = threading.Event()
 152
 153         self.decimal_point = config.get('decimal_point', 8)
 154         self.num_zeros     = int(config.get('num_zeros',0))
 155
 156         set_language(config.get('language'))
 157
 158         self.funds_error = False
 159         self.completions = QStringListModel()
 160
 161         self.tabs = tabs = QTabWidget(self)
 162         self.column_widths = self.config.get("column_widths_2", default_column_widths )
 163         tabs.addTab(self.create_history_tab(), _('History') )
 164         tabs.addTab(self.create_send_tab(), _('Send') )
 165         tabs.addTab(self.create_receive_tab(), _('Receive') )
 166         tabs.addTab(self.create_contacts_tab(), _('Contacts') )
 167         tabs.addTab(self.create_console_tab(), _('Console') )
 168         tabs.setMinimumSize(600, 400)
 169         tabs.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
 170         self.setCentralWidget(tabs)
 171
 172         g = self.config.get("winpos-qt",[100, 100, 840, 400])
 173         self.setGeometry(g[0], g[1], g[2], g[3])
 174
 175         self.setWindowIcon(QIcon(":icons/electrum.png"))
 176         self.init_menubar()
 177
 178         QShortcut(QKeySequence("Ctrl+W"), self, self.close)
 179         QShortcut(QKeySequence("Ctrl+R"), self, self.update_wallet)
 180         QShortcut(QKeySequence("Ctrl+Q"), self, self.close)
 181         QShortcut(QKeySequence("Ctrl+PgUp"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() - 1 )%tabs.count() ))
 182         QShortcut(QKeySequence("Ctrl+PgDown"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() + 1 )%tabs.count() ))
 183
 184         self.connect(self, QtCore.SIGNAL('update_status'), self.update_status)
 185         self.connect(self, QtCore.SIGNAL('banner_signal'), lambda: self.console.showMessage(self.network.banner) )
 186         self.connect(self, QtCore.SIGNAL('transaction_signal'), lambda: self.notify_transactions() )
 187
 188         self.history_list.setFocus(True)
 189
 190         # network callbacks
 191         if self.network:
 192             self.network.register_callback('updated', lambda: self.need_update.set())
 193             self.network.register_callback('banner', lambda: self.emit(QtCore.SIGNAL('banner_signal')))
 194             self.network.register_callback('disconnected', lambda: self.emit(QtCore.SIGNAL('update_status')))
 195             self.network.register_callback('disconnecting', lambda: self.emit(QtCore.SIGNAL('update_status')))
 196             self.network.register_callback('new_transaction', lambda: self.emit(QtCore.SIGNAL('transaction_signal')))
 197
 198             # set initial message
 199             self.console.showMessage(self.network.banner)
 200
 201         self.wallet = None
 202         self.init_lite()
 203
 204
 205     def go_full(self):
 206         self.config.set_key('lite_mode', False, True)
 207         self.mini.hide()
 208         self.show()
 209
 210     def go_lite(self):
 211         self.config.set_key('lite_mode', True, True)
 212         self.hide()
 213         self.mini.show()
 214
 215
 216     def init_lite(self):
 217         import lite_window
 218         if not self.check_qt_version():
 219             if self.config.get('lite_mode') is True:
 220                 msg = "Electrum was unable to load the 'Lite GUI' because it needs Qt version >= 4.7.\nChanging your config to use the 'Classic' GUI"
 221                 QMessageBox.warning(None, "Could not start Lite GUI.", msg)
 222                 self.config.set_key('lite_mode', False, True)
 223                 sys.exit(0)
 224             self.mini = None
 225             self.show()
 226             return
 227
 228         actuator = lite_window.MiniActuator(self)
 229
 230         # Should probably not modify the current path but instead
 231         # change the behaviour of rsrc(...)
 232         old_path = QDir.currentPath()
 233         actuator.load_theme()
 234
 235         self.mini = lite_window.MiniWindow(actuator, self.go_full, self.config)
 236
 237         driver = lite_window.MiniDriver(self, self.mini)
 238
 239         # Reset path back to original value now that loading the GUI
 240         # is completed.
 241         QDir.setCurrent(old_path)
 242
 243         if self.config.get('lite_mode') is True:
 244             self.go_lite()
 245         else:
 246             self.go_full()
 247
 248
 249     def check_qt_version(self):
 250         qtVersion = qVersion()
 251         return int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7
 252
 253
 254     def update_account_selector(self):
 255         # account selector
 256         accounts = self.wallet.get_account_names()
 257         self.account_selector.clear()
 258         if len(accounts) > 1:
 259             self.account_selector.addItems([_("All accounts")] + accounts.values())
 260             self.account_selector.setCurrentIndex(0)
 261             self.account_selector.show()
 262         else:
 263             self.account_selector.hide()
 264
 265
 266     def load_wallet(self, wallet):
 267         import electrum
 268         self.wallet = wallet
 269         self.accounts_expanded = self.wallet.storage.get('accounts_expanded',{})
 270         self.current_account = self.wallet.storage.get("current_account", None)
 271
 272         title = 'Electrum ' + self.wallet.electrum_version + '  -  ' + self.wallet.storage.path
 273         if self.wallet.is_watching_only(): title += ' [%s]' % (_('watching only'))
 274         self.setWindowTitle( title )
 275         self.update_wallet()
 276         # Once GUI has been initialized check if we want to announce something since the callback has been called before the GUI was initialized
 277         self.notify_transactions()
 278         self.update_account_selector()
 279         self.new_account.setEnabled(self.wallet.seed_version>4)
 280         self.update_lock_icon()
 281         self.update_buttons_on_seed()
 282         self.update_console()
 283
 284         run_hook('load_wallet', wallet)
 285
 286
 287     def select_wallet_file(self):
 288         wallet_folder = self.wallet.storage.path
 289         re.sub("(\/\w*.dat)$", "", wallet_folder)
 290         file_name = unicode( QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder) )
 291         return file_name
 292
 293
 294     def open_wallet(self):
 295
 296         filename = self.select_wallet_file()
 297         if not filename:
 298             return
 299
 300         storage = WalletStorage({'wallet_path': filename})
 301         if not storage.file_exists:
 302             self.show_message("file not found "+ filename)
 303             return
 304
 305         self.wallet.stop_threads()
 306
 307         # create new wallet
 308         wallet = Wallet(storage)
 309         wallet.start_threads(self.network)
 310
 311         self.load_wallet(wallet)
 312
 313
 314
 315     def backup_wallet(self):
 316         import shutil
 317         path = self.wallet.storage.path
 318         wallet_folder = os.path.dirname(path)
 319         new_filename, ok = QInputDialog.getText(self, _('Filename'), _('Current directory') + ': ' + wallet_folder + '\n' + _('Enter a filename for the copy of your wallet') + ':')
 320         new_filename = unicode(new_filename)
 321         if not ok or not new_filename:
 322             return
 323
 324         new_path = os.path.join(wallet_folder, new_filename)
 325         if new_path != path:
 326             try:
 327                 shutil.copy2(path, new_path)
 328                 QMessageBox.information(None,"Wallet backup created", _("A copy of your wallet file was created in")+" '%s'" % str(new_path))
 329             except (IOError, os.error), reason:
 330                 QMessageBox.critical(None,"Unable to create backup", _("Electrum was unable to copy your wallet file to the specified location.")+"\n" + str(reason))
 331
 332
 333     def new_wallet(self):
 334         import installwizard
 335
 336         wallet_folder = os.path.dirname(self.wallet.storage.path)
 337         filename, ok = QInputDialog.getText(self, _('Filename'), _('Current directory') + ': ' + wallet_folder + '\n'+_('Enter a new file name') + ':')
 338         filename = unicode(filename)
 339         if not ok or not filename:
 340             return
 341         filename = os.path.join(wallet_folder, filename)
 342
 343         storage = WalletStorage({'wallet_path': filename})
 344         assert not storage.file_exists
 345
 346         wizard = installwizard.InstallWizard(self.config, self.network, storage)
 347         wallet = wizard.run()
 348         if wallet:
 349             self.load_wallet(wallet)
 350
 351
 352
 353     def init_menubar(self):
 354         menubar = QMenuBar()
 355
 356         file_menu = menubar.addMenu(_("&File"))
 357         open_wallet_action = file_menu.addAction(_("&Open"))
 358         open_wallet_action.triggered.connect(self.open_wallet)
 359
 360         new_wallet_action = file_menu.addAction(_("&Create/Restore"))
 361         new_wallet_action.triggered.connect(self.new_wallet)
 362
 363         wallet_backup = file_menu.addAction(_("&Copy"))
 364         wallet_backup.triggered.connect(self.backup_wallet)
 365
 366         quit_item = file_menu.addAction(_("&Close"))
 367         quit_item.triggered.connect(self.close)
 368
 369         wallet_menu = menubar.addMenu(_("&Wallet"))
 370
 371         new_contact = wallet_menu.addAction(_("&New contact"))
 372         new_contact.triggered.connect(self.new_contact_dialog)
 373
 374         self.new_account = wallet_menu.addAction(_("&New account"))
 375         self.new_account.triggered.connect(self.new_account_dialog)
 376
 377         wallet_menu.addSeparator()
 378
 379         pw = wallet_menu.addAction(_("&Password"))
 380         pw.triggered.connect(self.change_password_dialog)
 381
 382         show_seed = wallet_menu.addAction(_("&Seed"))
 383         show_seed.triggered.connect(self.show_seed_dialog)
 384
 385         show_mpk = wallet_menu.addAction(_("&Master Public Key"))
 386         show_mpk.triggered.connect(self.show_master_public_key)
 387
 388         wallet_menu.addSeparator()
 389
 390         labels_menu = wallet_menu.addMenu(_("&Labels"))
 391         import_labels = labels_menu.addAction(_("&Import"))
 392         import_labels.triggered.connect(self.do_import_labels)
 393         export_labels = labels_menu.addAction(_("&Export"))
 394         export_labels.triggered.connect(self.do_export_labels)
 395
 396         keys_menu = wallet_menu.addMenu(_("&Private keys"))
 397         import_keys = keys_menu.addAction(_("&Import"))
 398         import_keys.triggered.connect(self.do_import_privkey)
 399         export_keys = keys_menu.addAction(_("&Export"))
 400         export_keys.triggered.connect(self.do_export_privkeys)
 401
 402         ex_history = wallet_menu.addAction(_("&Export History"))
 403         ex_history.triggered.connect(self.do_export_history)
 404
 405
 406
 407         tools_menu = menubar.addMenu(_("&Tools"))
 408
 409         # Settings / Preferences are all reserved keywords in OSX using this as work around
 410         preferences_name = _("Electrum preferences") if sys.platform == 'darwin' else _("Preferences")
 411         preferences_menu = tools_menu.addAction(preferences_name)
 412         preferences_menu.triggered.connect(self.settings_dialog)
 413
 414         network = tools_menu.addAction(_("&Network"))
 415         network.triggered.connect(self.run_network_dialog)
 416
 417         plugins_labels = tools_menu.addAction(_("&Plugins"))
 418         plugins_labels.triggered.connect(self.plugins_dialog)
 419
 420         tools_menu.addSeparator()
 421
 422         csv_transaction_menu = tools_menu.addMenu(_("&Create transaction"))
 423
 424         csv_transaction_file = csv_transaction_menu.addAction(_("&From CSV file"))
 425         csv_transaction_file.triggered.connect(self.do_process_from_csv_file)
 426
 427         csv_transaction_text = csv_transaction_menu.addAction(_("&From CSV text"))
 428         csv_transaction_text.triggered.connect(self.do_process_from_csv_text)
 429
 430         raw_transaction_menu = tools_menu.addMenu(_("&Load transaction"))
 431
 432         raw_transaction_file = raw_transaction_menu.addAction(_("&From file"))
 433         raw_transaction_file.triggered.connect(self.do_process_from_file)
 434
 435         raw_transaction_text = raw_transaction_menu.addAction(_("&From text"))
 436         raw_transaction_text.triggered.connect(self.do_process_from_text)
 437
 438
 439         help_menu = menubar.addMenu(_("&Help"))
 440         show_about = help_menu.addAction(_("&About"))
 441         show_about.triggered.connect(self.show_about)
 442         web_open = help_menu.addAction(_("&Official website"))
 443         web_open.triggered.connect(lambda: webbrowser.open("http://electrum.org"))
 444
 445         help_menu.addSeparator()
 446         doc_open = help_menu.addAction(_("&Documentation"))
 447         doc_open.triggered.connect(lambda: webbrowser.open("http://electrum.org/documentation.html"))
 448         report_bug = help_menu.addAction(_("&Report Bug"))
 449         report_bug.triggered.connect(self.show_report_bug)
 450
 451         self.setMenuBar(menubar)
 452
 453     def show_about(self):
 454         QMessageBox.about(self, "Electrum",
 455             _("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."))
 456
 457     def show_report_bug(self):
 458         QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
 459             _("Please report any bugs as issues on github:")+" <a href=\"https://github.com/spesmilo/electrum/issues\">https://github.com/spesmilo/electrum/issues</a>")
 460
 461
 462     def notify_transactions(self):
 463         if not self.network or not self.network.is_connected():
 464             return
 465
 466         print_error("Notifying GUI")
 467         if len(self.network.interface.pending_transactions_for_notifications) > 0:
 468             # Combine the transactions if there are more then three
 469             tx_amount = len(self.network.interface.pending_transactions_for_notifications)
 470             if(tx_amount >= 3):
 471                 total_amount = 0
 472                 for tx in self.network.interface.pending_transactions_for_notifications:
 473                     is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 474                     if(v > 0):
 475                         total_amount += v
 476
 477                 self.notify(_("%(txs)s new transactions received. Total amount received in the new transactions %(amount)s %(unit)s") \
 478                                 % { 'txs' : tx_amount, 'amount' : self.format_amount(total_amount), 'unit' : self.base_unit()})
 479
 480                 self.network.interface.pending_transactions_for_notifications = []
 481             else:
 482               for tx in self.network.interface.pending_transactions_for_notifications:
 483                   if tx:
 484                       self.network.interface.pending_transactions_for_notifications.remove(tx)
 485                       is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 486                       if(v > 0):
 487                           self.notify(_("New transaction received. %(amount)s %(unit)s") % { 'amount' : self.format_amount(v), 'unit' : self.base_unit()})
 488
 489     def notify(self, message):
 490         self.tray.showMessage("Electrum", message, QSystemTrayIcon.Information, 20000)
 491
 492
 493
 494     # custom wrappers for getOpenFileName and getSaveFileName, that remember the path selected by the user
 495     def getOpenFileName(self, title, filter = ""):
 496         directory = self.config.get('io_dir', os.path.expanduser('~'))
 497         fileName = unicode( QFileDialog.getOpenFileName(self, title, directory, filter) )
 498         if fileName and directory != os.path.dirname(fileName):
 499             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 500         return fileName
 501
 502     def getSaveFileName(self, title, filename, filter = ""):
 503         directory = self.config.get('io_dir', os.path.expanduser('~'))
 504         path = os.path.join( directory, filename )
 505         fileName = unicode( QFileDialog.getSaveFileName(self, title, path, filter) )
 506         if fileName and directory != os.path.dirname(fileName):
 507             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 508         return fileName
 509
 510     def close(self):
 511         QMainWindow.close(self)
 512         run_hook('close_main_window')
 513
 514     def connect_slots(self, sender):
 515         self.connect(sender, QtCore.SIGNAL('timersignal'), self.timer_actions)
 516         self.previous_payto_e=''
 517
 518     def timer_actions(self):
 519         if self.need_update.is_set():
 520             self.update_wallet()
 521             self.need_update.clear()
 522         run_hook('timer_actions')
 523
 524     def format_amount(self, x, is_diff=False, whitespaces=False):
 525         return format_satoshis(x, is_diff, self.num_zeros, self.decimal_point, whitespaces)
 526
 527     def read_amount(self, x):
 528         if x in['.', '']: return None
 529         p = pow(10, self.decimal_point)
 530         return int( p * Decimal(x) )
 531
 532     def base_unit(self):
 533         assert self.decimal_point in [5,8]
 534         return "BTC" if self.decimal_point == 8 else "mBTC"
 535
 536
 537     def update_status(self):
 538         if self.network is None:
 539             text = _("Offline")
 540             icon = QIcon(":icons/status_disconnected.png")
 541
 542         elif self.network.is_connected():
 543             if not self.wallet.up_to_date:
 544                 text = _("Synchronizing...")
 545                 icon = QIcon(":icons/status_waiting.png")
 546             elif self.network.server_lag > 1:
 547                 text = _("Server is lagging (%d blocks)"%self.network.server_lag)
 548                 icon = QIcon(":icons/status_lagging.png")
 549             else:
 550                 c, u = self.wallet.get_account_balance(self.current_account)
 551                 text =  _( "Balance" ) + ": %s "%( self.format_amount(c) ) + self.base_unit()
 552                 if u: text +=  " [%s unconfirmed]"%( self.format_amount(u,True).strip() )
 553
 554                 r = {}
 555                 run_hook('set_quote_text', c+u, r)
 556                 quote = r.get(0)
 557                 if quote:
 558                     text += "  (%s)"%quote
 559
 560                 self.tray.setToolTip(text)
 561                 icon = QIcon(":icons/status_connected.png")
 562         else:
 563             text = _("Not connected")
 564             icon = QIcon(":icons/status_disconnected.png")
 565
 566         self.balance_label.setText(text)
 567         self.status_button.setIcon( icon )
 568
 569
 570     def update_wallet(self):
 571         self.update_status()
 572         if self.wallet.up_to_date or not self.network or not self.network.is_connected():
 573             self.update_history_tab()
 574             self.update_receive_tab()
 575             self.update_contacts_tab()
 576             self.update_completions()
 577
 578
 579     def create_history_tab(self):
 580         self.history_list = l = MyTreeWidget(self)
 581         l.setColumnCount(5)
 582         for i,width in enumerate(self.column_widths['history']):
 583             l.setColumnWidth(i, width)
 584         l.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance')] )
 585         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), self.tx_label_clicked)
 586         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.tx_label_changed)
 587
 588         l.customContextMenuRequested.connect(self.create_history_menu)
 589         return l
 590
 591
 592     def create_history_menu(self, position):
 593         self.history_list.selectedIndexes()
 594         item = self.history_list.currentItem()
 595         if not item: return
 596         tx_hash = str(item.data(0, Qt.UserRole).toString())
 597         if not tx_hash: return
 598         menu = QMenu()
 599         menu.addAction(_("Copy ID to Clipboard"), lambda: self.app.clipboard().setText(tx_hash))
 600         menu.addAction(_("Details"), lambda: self.show_transaction(self.wallet.transactions.get(tx_hash)))
 601         menu.addAction(_("Edit description"), lambda: self.tx_label_clicked(item,2))
 602         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
 603
 604
 605     def show_transaction(self, tx):
 606         import transaction_dialog
 607         d = transaction_dialog.TxDialog(tx, self)
 608         d.exec_()
 609
 610     def tx_label_clicked(self, item, column):
 611         if column==2 and item.isSelected():
 612             self.is_edit=True
 613             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 614             self.history_list.editItem( item, column )
 615             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 616             self.is_edit=False
 617
 618     def tx_label_changed(self, item, column):
 619         if self.is_edit:
 620             return
 621         self.is_edit=True
 622         tx_hash = str(item.data(0, Qt.UserRole).toString())
 623         tx = self.wallet.transactions.get(tx_hash)
 624         text = unicode( item.text(2) )
 625         self.wallet.set_label(tx_hash, text)
 626         if text:
 627             item.setForeground(2, QBrush(QColor('black')))
 628         else:
 629             text = self.wallet.get_default_label(tx_hash)
 630             item.setText(2, text)
 631             item.setForeground(2, QBrush(QColor('gray')))
 632         self.is_edit=False
 633
 634
 635     def edit_label(self, is_recv):
 636         l = self.receive_list if is_recv else self.contacts_list
 637         item = l.currentItem()
 638         item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 639         l.editItem( item, 1 )
 640         item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 641
 642
 643
 644     def address_label_clicked(self, item, column, l, column_addr, column_label):
 645         if column == column_label and item.isSelected():
 646             is_editable = item.data(0, 32).toBool()
 647             if not is_editable:
 648                 return
 649             addr = unicode( item.text(column_addr) )
 650             label = unicode( item.text(column_label) )
 651             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 652             l.editItem( item, column )
 653             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 654
 655
 656     def address_label_changed(self, item, column, l, column_addr, column_label):
 657         if column == column_label:
 658             addr = unicode( item.text(column_addr) )
 659             text = unicode( item.text(column_label) )
 660             is_editable = item.data(0, 32).toBool()
 661             if not is_editable:
 662                 return
 663
 664             changed = self.wallet.set_label(addr, text)
 665             if changed:
 666                 self.update_history_tab()
 667                 self.update_completions()
 668
 669             self.current_item_changed(item)
 670
 671         run_hook('item_changed', item, column)
 672
 673
 674     def current_item_changed(self, a):
 675         run_hook('current_item_changed', a)
 676
 677
 678
 679     def update_history_tab(self):
 680
 681         self.history_list.clear()
 682         for item in self.wallet.get_tx_history(self.current_account):
 683             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
 684             time_str = _("unknown")
 685             if conf > 0:
 686                 try:
 687                     time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
 688                 except:
 689                     time_str = _("error")
 690
 691             if conf == -1:
 692                 time_str = 'unverified'
 693                 icon = QIcon(":icons/unconfirmed.png")
 694             elif conf == 0:
 695                 time_str = 'pending'
 696                 icon = QIcon(":icons/unconfirmed.png")
 697             elif conf < 6:
 698                 icon = QIcon(":icons/clock%d.png"%conf)
 699             else:
 700                 icon = QIcon(":icons/confirmed.png")
 701
 702             if value is not None:
 703                 v_str = self.format_amount(value, True, whitespaces=True)
 704             else:
 705                 v_str = '--'
 706
 707             balance_str = self.format_amount(balance, whitespaces=True)
 708
 709             if tx_hash:
 710                 label, is_default_label = self.wallet.get_label(tx_hash)
 711             else:
 712                 label = _('Pruned transaction outputs')
 713                 is_default_label = False
 714
 715             item = QTreeWidgetItem( [ '', time_str, label, v_str, balance_str] )
 716             item.setFont(2, QFont(MONOSPACE_FONT))
 717             item.setFont(3, QFont(MONOSPACE_FONT))
 718             item.setFont(4, QFont(MONOSPACE_FONT))
 719             if value < 0:
 720                 item.setForeground(3, QBrush(QColor("#BC1E1E")))
 721             if tx_hash:
 722                 item.setData(0, Qt.UserRole, tx_hash)
 723                 item.setToolTip(0, "%d %s\nTxId:%s" % (conf, _('Confirmations'), tx_hash) )
 724             if is_default_label:
 725                 item.setForeground(2, QBrush(QColor('grey')))
 726
 727             item.setIcon(0, icon)
 728             self.history_list.insertTopLevelItem(0,item)
 729
 730
 731         self.history_list.setCurrentItem(self.history_list.topLevelItem(0))
 732
 733
 734     def create_send_tab(self):
 735         w = QWidget()
 736
 737         grid = QGridLayout()
 738         grid.setSpacing(8)
 739         grid.setColumnMinimumWidth(3,300)
 740         grid.setColumnStretch(5,1)
 741
 742
 743         self.payto_e = QLineEdit()
 744         grid.addWidget(QLabel(_('Pay to')), 1, 0)
 745         grid.addWidget(self.payto_e, 1, 1, 1, 3)
 746
 747         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)
 748
 749         completer = QCompleter()
 750         completer.setCaseSensitivity(False)
 751         self.payto_e.setCompleter(completer)
 752         completer.setModel(self.completions)
 753
 754         self.message_e = QLineEdit()
 755         grid.addWidget(QLabel(_('Description')), 2, 0)
 756         grid.addWidget(self.message_e, 2, 1, 1, 3)
 757         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)
 758
 759         self.amount_e = AmountEdit(self.base_unit)
 760         grid.addWidget(QLabel(_('Amount')), 3, 0)
 761         grid.addWidget(self.amount_e, 3, 1, 1, 2)
 762         grid.addWidget(HelpButton(
 763                 _('Amount to be sent.') + '\n\n' \
 764                     + _('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.') \
 765                     + '\n\n' + _('Keyboard shortcut: type "!" to send all your coins.')), 3, 3)
 766
 767         self.fee_e = AmountEdit(self.base_unit)
 768         grid.addWidget(QLabel(_('Fee')), 4, 0)
 769         grid.addWidget(self.fee_e, 4, 1, 1, 2)
 770         grid.addWidget(HelpButton(
 771                 _('Bitcoin transactions are in general not free. A transaction fee is paid by the sender of the funds.') + '\n\n'\
 772                     + _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
 773                     + _('A suggested fee is automatically added to this field. You may override it. The suggested fee increases with the size of the transaction.')), 4, 3)
 774
 775
 776         self.send_button = EnterButton(_("Send"), self.do_send)
 777         grid.addWidget(self.send_button, 6, 1)
 778
 779         b = EnterButton(_("Clear"),self.do_clear)
 780         grid.addWidget(b, 6, 2)
 781
 782         self.payto_sig = QLabel('')
 783         grid.addWidget(self.payto_sig, 7, 0, 1, 4)
 784
 785         QShortcut(QKeySequence("Up"), w, w.focusPreviousChild)
 786         QShortcut(QKeySequence("Down"), w, w.focusNextChild)
 787         w.setLayout(grid)
 788
 789         w2 = QWidget()
 790         vbox = QVBoxLayout()
 791         vbox.addWidget(w)
 792         vbox.addStretch(1)
 793         w2.setLayout(vbox)
 794
 795         def entry_changed( is_fee ):
 796             self.funds_error = False
 797
 798             if self.amount_e.is_shortcut:
 799                 self.amount_e.is_shortcut = False
 800                 c, u = self.wallet.get_account_balance(self.current_account)
 801                 inputs, total, fee = self.wallet.choose_tx_inputs_from_account( c + u, 0, self.current_account)
 802                 fee = self.wallet.estimated_fee(inputs)
 803                 amount = total - fee
 804                 self.amount_e.setText( self.format_amount(amount) )
 805                 self.fee_e.setText( self.format_amount( fee ) )
 806                 return
 807
 808             amount = self.read_amount(str(self.amount_e.text()))
 809             fee = self.read_amount(str(self.fee_e.text()))
 810
 811             if not is_fee: fee = None
 812             if amount is None:
 813                 return
 814             inputs, total, fee = self.wallet.choose_tx_inputs_from_account( amount, fee, self.current_account )
 815             if not is_fee:
 816                 self.fee_e.setText( self.format_amount( fee ) )
 817             if inputs:
 818                 palette = QPalette()
 819                 palette.setColor(self.amount_e.foregroundRole(), QColor('black'))
 820                 text = ""
 821             else:
 822                 palette = QPalette()
 823                 palette.setColor(self.amount_e.foregroundRole(), QColor('red'))
 824                 self.funds_error = True
 825                 text = _( "Not enough funds" )
 826                 c, u = self.wallet.get_frozen_balance()
 827                 if c+u: text += ' (' + self.format_amount(c+u).strip() + self.base_unit() + ' ' +_("are frozen") + ')'
 828
 829             self.statusBar().showMessage(text)
 830             self.amount_e.setPalette(palette)
 831             self.fee_e.setPalette(palette)
 832
 833         self.amount_e.textChanged.connect(lambda: entry_changed(False) )
 834         self.fee_e.textChanged.connect(lambda: entry_changed(True) )
 835
 836         run_hook('create_send_tab', grid)
 837         return w2
 838
 839
 840     def update_completions(self):
 841         l = []
 842         for addr,label in self.wallet.labels.items():
 843             if addr in self.wallet.addressbook:
 844                 l.append( label + '  <' + addr + '>')
 845
 846         run_hook('update_completions', l)
 847         self.completions.setStringList(l)
 848
 849
 850     def protected(func):
 851         return lambda s, *args: s.do_protect(func, args)
 852
 853
 854     def do_send(self):
 855
 856         label = unicode( self.message_e.text() )
 857         r = unicode( self.payto_e.text() )
 858         r = r.strip()
 859
 860         # label or alias, with address in brackets
 861         m = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
 862         to_address = m.group(2) if m else r
 863
 864         if not is_valid(to_address):
 865             QMessageBox.warning(self, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
 866             return
 867
 868         try:
 869             amount = self.read_amount(unicode( self.amount_e.text()))
 870         except:
 871             QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 872             return
 873         try:
 874             fee = self.read_amount(unicode( self.fee_e.text()))
 875         except:
 876             QMessageBox.warning(self, _('Error'), _('Invalid Fee'), _('OK'))
 877             return
 878
 879         confirm_amount = self.config.get('confirm_amount', 100000000)
 880         if amount >= confirm_amount:
 881             if not self.question(_("send %(amount)s to %(address)s?")%{ 'amount' : self.format_amount(amount) + ' '+ self.base_unit(), 'address' : to_address}):
 882                 return
 883
 884         self.send_tx(to_address, amount, fee, label)
 885
 886
 887     @protected
 888     def send_tx(self, to_address, amount, fee, label, password):
 889
 890         try:
 891             tx = self.wallet.mktx_from_account( [(to_address, amount)], password, fee, self.current_account)
 892         except BaseException, e:
 893             traceback.print_exc(file=sys.stdout)
 894             self.show_message(str(e))
 895             return
 896
 897         if tx.requires_fee(self.wallet.verifier) and fee < MIN_RELAY_TX_FEE:
 898             QMessageBox.warning(self, _('Error'), _("This transaction requires a higher fee, or it will not be propagated by the network."), _('OK'))
 899             return
 900
 901         if label:
 902             self.wallet.set_label(tx.hash(), label)
 903
 904         if tx.is_complete:
 905             h = self.wallet.send_tx(tx)
 906             waiting_dialog(lambda: False if self.wallet.tx_event.isSet() else _("Please wait..."))
 907             status, msg = self.wallet.receive_tx( h )
 908             if status:
 909                 QMessageBox.information(self, '', _('Payment sent.')+'\n'+msg, _('OK'))
 910                 self.do_clear()
 911                 self.update_contacts_tab()
 912             else:
 913                 QMessageBox.warning(self, _('Error'), msg, _('OK'))
 914         else:
 915             filename = label + '.txn' if label else 'unsigned_%s.txn' % (time.mktime(time.gmtime()))
 916             try:
 917                 fileName = self.getSaveFileName(_("Select a transaction filename"), filename, "*.txn")
 918                 with open(fileName,'w') as f:
 919                     f.write(json.dumps(tx.as_dict(),indent=4) + '\n')
 920                 QMessageBox.information(self, _('Unsigned transaction created'), _("Unsigned transaction was saved to file:") + " " +fileName, _('OK'))
 921             except:
 922                 QMessageBox.warning(self, _('Error'), _('Could not write transaction to file'), _('OK'))
 923
 924         # add recipient to addressbook
 925         if to_address not in self.wallet.addressbook and not self.wallet.is_mine(to_address):
 926             self.wallet.addressbook.append(to_address)
 927
 928
 929
 930
 931     def set_url(self, url):
 932         address, amount, label, message, signature, identity, url = util.parse_url(url)
 933
 934         if amount and self.base_unit() == 'mBTC': amount = str( 1000* Decimal(amount))
 935
 936         if self.mini:
 937             self.mini.set_payment_fields(address, amount)
 938
 939         if label and self.wallet.labels.get(address) != label:
 940             if self.question('Give label "%s" to address %s ?'%(label,address)):
 941                 if address not in self.wallet.addressbook and not self.wallet.is_mine(address):
 942                     self.wallet.addressbook.append(address)
 943                 self.wallet.set_label(address, label)
 944
 945         run_hook('set_url', url, self.show_message, self.question)
 946
 947         self.tabs.setCurrentIndex(1)
 948         label = self.wallet.labels.get(address)
 949         m_addr = label + '  <'+ address +'>' if label else address
 950         self.payto_e.setText(m_addr)
 951
 952         self.message_e.setText(message)
 953         if amount:
 954             self.amount_e.setText(amount)
 955
 956         if identity:
 957             self.set_frozen(self.payto_e,True)
 958             self.set_frozen(self.amount_e,True)
 959             self.set_frozen(self.message_e,True)
 960             self.payto_sig.setText( '      '+_('The bitcoin URI was signed by')+' ' + identity )
 961         else:
 962             self.payto_sig.setVisible(False)
 963
 964     def do_clear(self):
 965         self.payto_sig.setVisible(False)
 966         for e in [self.payto_e, self.message_e, self.amount_e, self.fee_e]:
 967             e.setText('')
 968             self.set_frozen(e,False)
 969         self.update_status()
 970
 971     def set_frozen(self,entry,frozen):
 972         if frozen:
 973             entry.setReadOnly(True)
 974             entry.setFrame(False)
 975             palette = QPalette()
 976             palette.setColor(entry.backgroundRole(), QColor('lightgray'))
 977             entry.setPalette(palette)
 978         else:
 979             entry.setReadOnly(False)
 980             entry.setFrame(True)
 981             palette = QPalette()
 982             palette.setColor(entry.backgroundRole(), QColor('white'))
 983             entry.setPalette(palette)
 984
 985
 986     def toggle_freeze(self,addr):
 987         if not addr: return
 988         if addr in self.wallet.frozen_addresses:
 989             self.wallet.unfreeze(addr)
 990         else:
 991             self.wallet.freeze(addr)
 992         self.update_receive_tab()
 993
 994     def toggle_priority(self,addr):
 995         if not addr: return
 996         if addr in self.wallet.prioritized_addresses:
 997             self.wallet.unprioritize(addr)
 998         else:
 999             self.wallet.prioritize(addr)
1000         self.update_receive_tab()
1001
1002
1003     def create_list_tab(self, headers):
1004         "generic tab creation method"
1005         l = MyTreeWidget(self)
1006         l.setColumnCount( len(headers) )
1007         l.setHeaderLabels( headers )
1008
1009         w = QWidget()
1010         vbox = QVBoxLayout()
1011         w.setLayout(vbox)
1012
1013         vbox.setMargin(0)
1014         vbox.setSpacing(0)
1015         vbox.addWidget(l)
1016         buttons = QWidget()
1017         vbox.addWidget(buttons)
1018
1019         hbox = QHBoxLayout()
1020         hbox.setMargin(0)
1021         hbox.setSpacing(0)
1022         buttons.setLayout(hbox)
1023
1024         return l,w,hbox
1025
1026
1027     def create_receive_tab(self):
1028         l,w,hbox = self.create_list_tab([ _('Address'), _('Label'), _('Balance'), _('Tx')])
1029         l.setContextMenuPolicy(Qt.CustomContextMenu)
1030         l.customContextMenuRequested.connect(self.create_receive_menu)
1031         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1032         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1033         self.connect(l, SIGNAL('currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)'), lambda a,b: self.current_item_changed(a))
1034         self.receive_list = l
1035         self.receive_buttons_hbox = hbox
1036         hbox.addStretch(1)
1037         return w
1038
1039
1040
1041
1042     def save_column_widths(self):
1043         self.column_widths["receive"] = []
1044         for i in range(self.receive_list.columnCount() -1):
1045             self.column_widths["receive"].append(self.receive_list.columnWidth(i))
1046
1047         self.column_widths["history"] = []
1048         for i in range(self.history_list.columnCount() - 1):
1049             self.column_widths["history"].append(self.history_list.columnWidth(i))
1050
1051         self.column_widths["contacts"] = []
1052         for i in range(self.contacts_list.columnCount() - 1):
1053             self.column_widths["contacts"].append(self.contacts_list.columnWidth(i))
1054
1055         self.config.set_key("column_widths_2", self.column_widths, True)
1056
1057
1058     def create_contacts_tab(self):
1059         l,w,hbox = self.create_list_tab([_('Address'), _('Label'), _('Tx')])
1060         l.setContextMenuPolicy(Qt.CustomContextMenu)
1061         l.customContextMenuRequested.connect(self.create_contact_menu)
1062         for i,width in enumerate(self.column_widths['contacts']):
1063             l.setColumnWidth(i, width)
1064
1065         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1066         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1067         self.contacts_list = l
1068         self.contacts_buttons_hbox = hbox
1069         hbox.addStretch(1)
1070         return w
1071
1072
1073     def delete_imported_key(self, addr):
1074         if self.question(_("Do you want to remove")+" %s "%addr +_("from your wallet?")):
1075             self.wallet.delete_imported_key(addr)
1076             self.update_receive_tab()
1077             self.update_history_tab()
1078
1079     def edit_account_label(self, k):
1080         text, ok = QInputDialog.getText(self, _('Rename account'), _('Name') + ':', text = self.wallet.labels.get(k,''))
1081         if ok:
1082             label = unicode(text)
1083             self.wallet.set_label(k,label)
1084             self.update_receive_tab()
1085
1086     def account_set_expanded(self, item, k, b):
1087         item.setExpanded(b)
1088         self.accounts_expanded[k] = b
1089
1090     def create_account_menu(self, position, k, item):
1091         menu = QMenu()
1092         if item.isExpanded():
1093             menu.addAction(_("Minimize"), lambda: self.account_set_expanded(item, k, False))
1094         else:
1095             menu.addAction(_("Maximize"), lambda: self.account_set_expanded(item, k, True))
1096         menu.addAction(_("Rename"), lambda: self.edit_account_label(k))
1097         menu.addAction(_("View details"), lambda: self.show_account_details(k))
1098         if self.wallet.account_is_pending(k):
1099             menu.addAction(_("Delete"), lambda: self.delete_pending_account(k))
1100         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1101
1102     def delete_pending_account(self, k):
1103         self.wallet.delete_pending_account(k)
1104         self.update_receive_tab()
1105
1106     def create_receive_menu(self, position):
1107         # fixme: this function apparently has a side effect.
1108         # if it is not called the menu pops up several times
1109         #self.receive_list.selectedIndexes()
1110
1111         item = self.receive_list.itemAt(position)
1112         if not item: return
1113
1114         addr = unicode(item.text(0))
1115         if not is_valid(addr):
1116             k = str(item.data(0,32).toString())
1117             if k:
1118                 self.create_account_menu(position, k, item)
1119             else:
1120                 item.setExpanded(not item.isExpanded())
1121             return
1122
1123         menu = QMenu()
1124         menu.addAction(_("Copy to clipboard"), lambda: self.app.clipboard().setText(addr))
1125         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")) )
1126         menu.addAction(_("Edit label"), lambda: self.edit_label(True))
1127         if self.wallet.seed:
1128             menu.addAction(_("Private key"), lambda: self.show_private_key(addr))
1129             menu.addAction(_("Sign message"), lambda: self.sign_message(addr))
1130         if addr in self.wallet.imported_keys:
1131             menu.addAction(_("Remove from wallet"), lambda: self.delete_imported_key(addr))
1132
1133         t = _("Unfreeze") if addr in self.wallet.frozen_addresses else _("Freeze")
1134         menu.addAction(t, lambda: self.toggle_freeze(addr))
1135         t = _("Unprioritize") if addr in self.wallet.prioritized_addresses else _("Prioritize")
1136         menu.addAction(t, lambda: self.toggle_priority(addr))
1137
1138         run_hook('receive_menu', menu)
1139         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1140
1141
1142     def payto(self, addr):
1143         if not addr: return
1144         label = self.wallet.labels.get(addr)
1145         m_addr = label + '  <' + addr + '>' if label else addr
1146         self.tabs.setCurrentIndex(1)
1147         self.payto_e.setText(m_addr)
1148         self.amount_e.setFocus()
1149
1150
1151     def delete_contact(self, x):
1152         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
1153             self.wallet.delete_contact(x)
1154             self.wallet.set_label(x, None)
1155             self.update_history_tab()
1156             self.update_contacts_tab()
1157             self.update_completions()
1158
1159
1160     def create_contact_menu(self, position):
1161         item = self.contacts_list.itemAt(position)
1162         if not item: return
1163         addr = unicode(item.text(0))
1164         label = unicode(item.text(1))
1165         is_editable = item.data(0,32).toBool()
1166         payto_addr = item.data(0,33).toString()
1167         menu = QMenu()
1168         menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
1169         menu.addAction(_("Pay to"), lambda: self.payto(payto_addr))
1170         menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")))
1171         if is_editable:
1172             menu.addAction(_("Edit label"), lambda: self.edit_label(False))
1173             menu.addAction(_("Delete"), lambda: self.delete_contact(addr))
1174
1175         run_hook('create_contact_menu', menu, item)
1176         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
1177
1178
1179     def update_receive_item(self, item):
1180         item.setFont(0, QFont(MONOSPACE_FONT))
1181         address = str(item.data(0,0).toString())
1182         label = self.wallet.labels.get(address,'')
1183         item.setData(1,0,label)
1184         item.setData(0,32, True) # is editable
1185
1186         run_hook('update_receive_item', address, item)
1187
1188         if not self.wallet.is_mine(address): return
1189
1190         c, u = self.wallet.get_addr_balance(address)
1191         balance = self.format_amount(c + u)
1192         item.setData(2,0,balance)
1193
1194         if address in self.wallet.frozen_addresses:
1195             item.setBackgroundColor(0, QColor('lightblue'))
1196         elif address in self.wallet.prioritized_addresses:
1197             item.setBackgroundColor(0, QColor('lightgreen'))
1198
1199
1200     def update_receive_tab(self):
1201         l = self.receive_list
1202
1203         l.clear()
1204         l.setColumnHidden(2, False)
1205         l.setColumnHidden(3, False)
1206         for i,width in enumerate(self.column_widths['receive']):
1207             l.setColumnWidth(i, width)
1208
1209         if self.current_account is None:
1210             account_items = self.wallet.accounts.items()
1211         elif self.current_account != -1:
1212             account_items = [(self.current_account, self.wallet.accounts.get(self.current_account))]
1213         else:
1214             account_items = []
1215
1216         for k, account in account_items:
1217             name = self.wallet.get_account_name(k)
1218             c,u = self.wallet.get_account_balance(k)
1219             account_item = QTreeWidgetItem( [ name, '', self.format_amount(c+u), ''] )
1220             l.addTopLevelItem(account_item)
1221             account_item.setExpanded(self.accounts_expanded.get(k, True))
1222             account_item.setData(0, 32, k)
1223
1224             if not self.wallet.is_seeded(k):
1225                 icon = QIcon(":icons/key.png")
1226                 account_item.setIcon(0, icon)
1227
1228             for is_change in ([0,1]):
1229                 name = _("Receiving") if not is_change else _("Change")
1230                 seq_item = QTreeWidgetItem( [ name, '', '', '', ''] )
1231                 account_item.addChild(seq_item)
1232                 if not is_change: seq_item.setExpanded(True)
1233
1234                 is_red = False
1235                 gap = 0
1236
1237                 for address in account.get_addresses(is_change):
1238                     h = self.wallet.history.get(address,[])
1239
1240                     if h == []:
1241                         gap += 1
1242                         if gap > self.wallet.gap_limit:
1243                             is_red = True
1244                     else:
1245                         gap = 0
1246
1247                     num_tx = '*' if h == ['*'] else "%d"%len(h)
1248                     item = QTreeWidgetItem( [ address, '', '', num_tx] )
1249                     self.update_receive_item(item)
1250                     if is_red:
1251                         item.setBackgroundColor(1, QColor('red'))
1252                     seq_item.addChild(item)
1253
1254
1255         for k, addr in self.wallet.get_pending_accounts():
1256             name = self.wallet.labels.get(k,'')
1257             account_item = QTreeWidgetItem( [ name + "  [ "+_('pending account')+" ]", '', '', ''] )
1258             self.update_receive_item(item)
1259             l.addTopLevelItem(account_item)
1260             account_item.setExpanded(True)
1261             account_item.setData(0, 32, k)
1262             item = QTreeWidgetItem( [ addr, '', '', '', ''] )
1263             account_item.addChild(item)
1264             self.update_receive_item(item)
1265
1266
1267         if self.wallet.imported_keys and (self.current_account is None or self.current_account == -1):
1268             c,u = self.wallet.get_imported_balance()
1269             account_item = QTreeWidgetItem( [ _('Imported'), '', self.format_amount(c+u), ''] )
1270             l.addTopLevelItem(account_item)
1271             account_item.setExpanded(True)
1272             for address in self.wallet.imported_keys.keys():
1273                 item = QTreeWidgetItem( [ address, '', '', ''] )
1274                 self.update_receive_item(item)
1275                 account_item.addChild(item)
1276
1277
1278         # we use column 1 because column 0 may be hidden
1279         l.setCurrentItem(l.topLevelItem(0),1)
1280
1281
1282     def update_contacts_tab(self):
1283         l = self.contacts_list
1284         l.clear()
1285
1286         for address in self.wallet.addressbook:
1287             label = self.wallet.labels.get(address,'')
1288             n = self.wallet.get_num_tx(address)
1289             item = QTreeWidgetItem( [ address, label, "%d"%n] )
1290             item.setFont(0, QFont(MONOSPACE_FONT))
1291             # 32 = label can be edited (bool)
1292             item.setData(0,32, True)
1293             # 33 = payto string
1294             item.setData(0,33, address)
1295             l.addTopLevelItem(item)
1296
1297         run_hook('update_contacts_tab', l)
1298         l.setCurrentItem(l.topLevelItem(0))
1299
1300
1301
1302     def create_console_tab(self):
1303         from console import Console
1304         self.console = console = Console()
1305         return console
1306
1307
1308     def update_console(self):
1309         console = self.console
1310         console.history = self.config.get("console-history",[])
1311         console.history_index = len(console.history)
1312
1313         console.updateNamespace({'wallet' : self.wallet, 'network' : self.network, 'gui':self})
1314         console.updateNamespace({'util' : util, 'bitcoin':bitcoin})
1315
1316         c = commands.Commands(self.wallet, self.network, lambda: self.console.set_json(True))
1317         methods = {}
1318         def mkfunc(f, method):
1319             return lambda *args: apply( f, (method, args, self.password_dialog ))
1320         for m in dir(c):
1321             if m[0]=='_' or m in ['network','wallet']: continue
1322             methods[m] = mkfunc(c._run, m)
1323
1324         console.updateNamespace(methods)
1325
1326
1327     def change_account(self,s):
1328         if s == _("All accounts"):
1329             self.current_account = None
1330         else:
1331             accounts = self.wallet.get_account_names()
1332             for k, v in accounts.items():
1333                 if v == s:
1334                     self.current_account = k
1335         self.update_history_tab()
1336         self.update_status()
1337         self.update_receive_tab()
1338
1339     def create_status_bar(self):
1340
1341         sb = QStatusBar()
1342         sb.setFixedHeight(35)
1343         qtVersion = qVersion()
1344
1345         self.balance_label = QLabel("")
1346         sb.addWidget(self.balance_label)
1347
1348         from version_getter import UpdateLabel
1349         self.updatelabel = UpdateLabel(self.config, sb)
1350
1351         self.account_selector = QComboBox()
1352         self.connect(self.account_selector,SIGNAL("activated(QString)"),self.change_account)
1353         sb.addPermanentWidget(self.account_selector)
1354
1355         if (int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
1356             sb.addPermanentWidget( StatusBarButton( QIcon(":icons/switchgui.png"), _("Switch to Lite Mode"), self.go_lite ) )
1357
1358         self.lock_icon = QIcon()
1359         self.password_button = StatusBarButton( self.lock_icon, _("Password"), self.change_password_dialog )
1360         sb.addPermanentWidget( self.password_button )
1361
1362         sb.addPermanentWidget( StatusBarButton( QIcon(":icons/preferences.png"), _("Preferences"), self.settings_dialog ) )
1363         self.seed_button = StatusBarButton( QIcon(":icons/seed.png"), _("Seed"), self.show_seed_dialog )
1364         sb.addPermanentWidget( self.seed_button )
1365         self.status_button = StatusBarButton( QIcon(":icons/status_disconnected.png"), _("Network"), self.run_network_dialog )
1366         sb.addPermanentWidget( self.status_button )
1367
1368         run_hook('create_status_bar', (sb,))
1369
1370         self.setStatusBar(sb)
1371
1372
1373     def update_lock_icon(self):
1374         icon = QIcon(":icons/lock.png") if self.wallet.use_encryption else QIcon(":icons/unlock.png")
1375         self.password_button.setIcon( icon )
1376
1377
1378     def update_buttons_on_seed(self):
1379         if not self.wallet.is_watching_only():
1380            self.seed_button.show()
1381            self.password_button.show()
1382            self.send_button.setText(_("Send"))
1383         else:
1384            self.password_button.hide()
1385            self.seed_button.hide()
1386            self.send_button.setText(_("Create unsigned transaction"))
1387
1388
1389     def change_password_dialog(self):
1390         from password_dialog import PasswordDialog
1391         d = PasswordDialog(self.wallet, self)
1392         d.run()
1393         self.update_lock_icon()
1394
1395
1396     def new_contact_dialog(self):
1397
1398         d = QDialog(self)
1399         vbox = QVBoxLayout(d)
1400         vbox.addWidget(QLabel(_('New Contact')+':'))
1401
1402         grid = QGridLayout()
1403         line1 = QLineEdit()
1404         line2 = QLineEdit()
1405         grid.addWidget(QLabel(_("Address")), 1, 0)
1406         grid.addWidget(line1, 1, 1)
1407         grid.addWidget(QLabel(_("Name")), 2, 0)
1408         grid.addWidget(line2, 2, 1)
1409
1410         vbox.addLayout(grid)
1411         vbox.addLayout(ok_cancel_buttons(d))
1412
1413         if not d.exec_():
1414             return
1415
1416         address = str(line1.text())
1417         label = unicode(line2.text())
1418
1419         if not is_valid(address):
1420             QMessageBox.warning(self, _('Error'), _('Invalid Address'), _('OK'))
1421             return
1422
1423         self.wallet.add_contact(address)
1424         if label:
1425             self.wallet.set_label(address, label)
1426
1427         self.update_contacts_tab()
1428         self.update_history_tab()
1429         self.update_completions()
1430         self.tabs.setCurrentIndex(3)
1431
1432
1433     def new_account_dialog(self):
1434
1435         dialog = QDialog(self)
1436         dialog.setModal(1)
1437         dialog.setWindowTitle(_("New Account"))
1438
1439         vbox = QVBoxLayout()
1440         vbox.addWidget(QLabel(_('Account name')+':'))
1441         e = QLineEdit()
1442         vbox.addWidget(e)
1443         msg = _("Note: Newly created accounts are 'pending' until they receive bitcoins.") + " " \
1444             + _("You will need to wait for 2 confirmations until the correct balance is displayed and more addresses are created for that account.")
1445         l = QLabel(msg)
1446         l.setWordWrap(True)
1447         vbox.addWidget(l)
1448
1449         vbox.addLayout(ok_cancel_buttons(dialog))
1450         dialog.setLayout(vbox)
1451         r = dialog.exec_()
1452         if not r: return
1453
1454         name = str(e.text())
1455         if not name: return
1456
1457         self.wallet.create_pending_account('1', name)
1458         self.update_receive_tab()
1459         self.tabs.setCurrentIndex(2)
1460
1461
1462
1463     def show_master_public_key_old(self):
1464         dialog = QDialog(self)
1465         dialog.setModal(1)
1466         dialog.setWindowTitle(_("Master Public Key"))
1467
1468         main_text = QTextEdit()
1469         main_text.setText(self.wallet.get_master_public_key())
1470         main_text.setReadOnly(True)
1471         main_text.setMaximumHeight(170)
1472         qrw = QRCodeWidget(self.wallet.get_master_public_key())
1473
1474         ok_button = QPushButton(_("OK"))
1475         ok_button.setDefault(True)
1476         ok_button.clicked.connect(dialog.accept)
1477
1478         main_layout = QGridLayout()
1479         main_layout.addWidget(QLabel(_('Your Master Public Key is:')), 0, 0, 1, 2)
1480
1481         main_layout.addWidget(main_text, 1, 0)
1482         main_layout.addWidget(qrw, 1, 1 )
1483
1484         vbox = QVBoxLayout()
1485         vbox.addLayout(main_layout)
1486         vbox.addLayout(close_button(dialog))
1487         dialog.setLayout(vbox)
1488         dialog.exec_()
1489
1490
1491     def show_master_public_key(self):
1492
1493         if self.wallet.seed_version == 4:
1494             self.show_master_public_key_old()
1495             return
1496
1497         dialog = QDialog(self)
1498         dialog.setModal(1)
1499         dialog.setWindowTitle(_("Master Public Keys"))
1500
1501         chain_text = QTextEdit()
1502         chain_text.setReadOnly(True)
1503         chain_text.setMaximumHeight(170)
1504         chain_qrw = QRCodeWidget()
1505
1506         mpk_text = QTextEdit()
1507         mpk_text.setReadOnly(True)
1508         mpk_text.setMaximumHeight(170)
1509         mpk_qrw = QRCodeWidget()
1510
1511         main_layout = QGridLayout()
1512
1513         main_layout.addWidget(QLabel(_('Key')), 1, 0)
1514         main_layout.addWidget(mpk_text, 1, 1)
1515         main_layout.addWidget(mpk_qrw, 1, 2)
1516
1517         main_layout.addWidget(QLabel(_('Chain')), 2, 0)
1518         main_layout.addWidget(chain_text, 2, 1)
1519         main_layout.addWidget(chain_qrw, 2, 2)
1520
1521         def update(key):
1522             c, K, cK = self.wallet.master_public_keys[str(key)]
1523             chain_text.setText(c)
1524             chain_qrw.set_addr(c)
1525             chain_qrw.update_qr()
1526             mpk_text.setText(K)
1527             mpk_qrw.set_addr(K)
1528             mpk_qrw.update_qr()
1529
1530         key_selector = QComboBox()
1531         keys = sorted(self.wallet.master_public_keys.keys())
1532         key_selector.addItems(keys)
1533
1534         main_layout.addWidget(QLabel(_('Derivation:')), 0, 0)
1535         main_layout.addWidget(key_selector, 0, 1)
1536         dialog.connect(key_selector,SIGNAL("activated(QString)"),update)
1537
1538         update(keys[0])
1539
1540         vbox = QVBoxLayout()
1541         vbox.addLayout(main_layout)
1542         vbox.addLayout(close_button(dialog))
1543
1544         dialog.setLayout(vbox)
1545         dialog.exec_()
1546
1547
1548     @protected
1549     def show_seed_dialog(self, password):
1550         if self.wallet.is_watching_only():
1551             QMessageBox.information(self, _('Message'), _('This is a watching-only wallet'), _('OK'))
1552             return
1553
1554         if self.wallet.seed:
1555             try:
1556                 mnemonic = self.wallet.get_mnemonic(password)
1557             except:
1558                 QMessageBox.warning(self, _('Error'), _('Incorrect Password'), _('OK'))
1559                 return
1560             from seed_dialog import SeedDialog
1561             d = SeedDialog(self, mnemonic, self.wallet.imported_keys)
1562             d.exec_()
1563         else:
1564             l = {}
1565             for k in self.wallet.master_private_keys.keys():
1566                 pk = self.wallet.get_master_private_key(k, password)
1567                 l[k] = pk
1568             from seed_dialog import PrivateKeysDialog
1569             d = PrivateKeysDialog(self,l)
1570             d.exec_()
1571
1572
1573
1574
1575
1576     def show_qrcode(self, data, title = _("QR code")):
1577         if not data: return
1578         d = QDialog(self)
1579         d.setModal(1)
1580         d.setWindowTitle(title)
1581         d.setMinimumSize(270, 300)
1582         vbox = QVBoxLayout()
1583         qrw = QRCodeWidget(data)
1584         vbox.addWidget(qrw, 1)
1585         vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
1586         hbox = QHBoxLayout()
1587         hbox.addStretch(1)
1588
1589         filename = os.path.join(self.config.path, "qrcode.bmp")
1590
1591         def print_qr():
1592             bmp.save_qrcode(qrw.qr, filename)
1593             QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
1594
1595         def copy_to_clipboard():
1596             bmp.save_qrcode(qrw.qr, filename)
1597             self.app.clipboard().setImage(QImage(filename))
1598             QMessageBox.information(None, _('Message'), _("QR code saved to clipboard"), _('OK'))
1599
1600         b = QPushButton(_("Copy"))
1601         hbox.addWidget(b)
1602         b.clicked.connect(copy_to_clipboard)
1603
1604         b = QPushButton(_("Save"))
1605         hbox.addWidget(b)
1606         b.clicked.connect(print_qr)
1607
1608         b = QPushButton(_("Close"))
1609         hbox.addWidget(b)
1610         b.clicked.connect(d.accept)
1611         b.setDefault(True)
1612
1613         vbox.addLayout(hbox)
1614         d.setLayout(vbox)
1615         d.exec_()
1616
1617
1618     def do_protect(self, func, args):
1619         if self.wallet.use_encryption:
1620             password = self.password_dialog()
1621             if not password:
1622                 return
1623         else:
1624             password = None
1625
1626         if args != (False,):
1627             args = (self,) + args + (password,)
1628         else:
1629             args = (self,password)
1630         apply( func, args)
1631
1632
1633     @protected
1634     def show_private_key(self, address, password):
1635         if not address: return
1636         try:
1637             pk_list = self.wallet.get_private_key(address, password)
1638         except BaseException, e:
1639             self.show_message(str(e))
1640             return
1641         QMessageBox.information(self, _('Private key'), _('Address')+ ': ' + address + '\n\n' + _('Private key') + ': ' + '\n'.join(pk_list), _('OK'))
1642
1643
1644     @protected
1645     def do_sign(self, address, message, signature, password):
1646         message = unicode(message.toPlainText())
1647         message = message.encode('utf-8')
1648         try:
1649             sig = self.wallet.sign_message(str(address.text()), message, password)
1650             signature.setText(sig)
1651         except BaseException, e:
1652             self.show_message(str(e))
1653
1654     def sign_message(self, address):
1655         if not address: return
1656         d = QDialog(self)
1657         d.setModal(1)
1658         d.setWindowTitle(_('Sign Message'))
1659         d.setMinimumSize(410, 290)
1660
1661         tab_widget = QTabWidget()
1662         tab = QWidget()
1663         layout = QGridLayout(tab)
1664
1665         sign_address = QLineEdit()
1666
1667         sign_address.setText(address)
1668         layout.addWidget(QLabel(_('Address')), 1, 0)
1669         layout.addWidget(sign_address, 1, 1)
1670
1671         sign_message = QTextEdit()
1672         layout.addWidget(QLabel(_('Message')), 2, 0)
1673         layout.addWidget(sign_message, 2, 1)
1674         layout.setRowStretch(2,3)
1675
1676         sign_signature = QTextEdit()
1677         layout.addWidget(QLabel(_('Signature')), 3, 0)
1678         layout.addWidget(sign_signature, 3, 1)
1679         layout.setRowStretch(3,1)
1680
1681
1682         hbox = QHBoxLayout()
1683         b = QPushButton(_("Sign"))
1684         hbox.addWidget(b)
1685         b.clicked.connect(lambda: self.do_sign(sign_address, sign_message, sign_signature))
1686         b = QPushButton(_("Close"))
1687         b.clicked.connect(d.accept)
1688         hbox.addWidget(b)
1689         layout.addLayout(hbox, 4, 1)
1690         tab_widget.addTab(tab, _("Sign"))
1691
1692
1693         tab = QWidget()
1694         layout = QGridLayout(tab)
1695
1696         verify_address = QLineEdit()
1697         layout.addWidget(QLabel(_('Address')), 1, 0)
1698         layout.addWidget(verify_address, 1, 1)
1699
1700         verify_message = QTextEdit()
1701         layout.addWidget(QLabel(_('Message')), 2, 0)
1702         layout.addWidget(verify_message, 2, 1)
1703         layout.setRowStretch(2,3)
1704
1705         verify_signature = QTextEdit()
1706         layout.addWidget(QLabel(_('Signature')), 3, 0)
1707         layout.addWidget(verify_signature, 3, 1)
1708         layout.setRowStretch(3,1)
1709
1710         def do_verify():
1711             message = unicode(verify_message.toPlainText())
1712             message = message.encode('utf-8')
1713             if bitcoin.verify_message(verify_address.text(), str(verify_signature.toPlainText()), message):
1714                 self.show_message(_("Signature verified"))
1715             else:
1716                 self.show_message(_("Error: wrong signature"))
1717
1718         hbox = QHBoxLayout()
1719         b = QPushButton(_("Verify"))
1720         b.clicked.connect(do_verify)
1721         hbox.addWidget(b)
1722         b = QPushButton(_("Close"))
1723         b.clicked.connect(d.accept)
1724         hbox.addWidget(b)
1725         layout.addLayout(hbox, 4, 1)
1726         tab_widget.addTab(tab, _("Verify"))
1727
1728         vbox = QVBoxLayout()
1729         vbox.addWidget(tab_widget)
1730         d.setLayout(vbox)
1731         d.exec_()
1732
1733
1734
1735
1736     def question(self, msg):
1737         return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
1738
1739     def show_message(self, msg):
1740         QMessageBox.information(self, _('Message'), msg, _('OK'))
1741
1742     def password_dialog(self ):
1743         d = QDialog(self)
1744         d.setModal(1)
1745
1746         pw = QLineEdit()
1747         pw.setEchoMode(2)
1748
1749         vbox = QVBoxLayout()
1750         msg = _('Please enter your password')
1751         vbox.addWidget(QLabel(msg))
1752
1753         grid = QGridLayout()
1754         grid.setSpacing(8)
1755         grid.addWidget(QLabel(_('Password')), 1, 0)
1756         grid.addWidget(pw, 1, 1)
1757         vbox.addLayout(grid)
1758
1759         vbox.addLayout(ok_cancel_buttons(d))
1760         d.setLayout(vbox)
1761
1762         run_hook('password_dialog', pw, grid, 1)
1763         if not d.exec_(): return
1764         return unicode(pw.text())
1765
1766
1767
1768
1769
1770
1771
1772
1773     def tx_from_text(self, txt):
1774         "json or raw hexadecimal"
1775         try:
1776             txt.decode('hex')
1777             tx = Transaction(txt)
1778             return tx
1779         except:
1780             pass
1781
1782         try:
1783             tx_dict = json.loads(str(txt))
1784             assert "hex" in tx_dict.keys()
1785             assert "complete" in tx_dict.keys()
1786             tx = Transaction(tx_dict["hex"], tx_dict["complete"])
1787             if not tx_dict["complete"]:
1788                 assert "input_info" in tx_dict.keys()
1789                 input_info = json.loads(tx_dict['input_info'])
1790                 tx.add_input_info(input_info)
1791             return tx
1792         except:
1793             pass
1794
1795         QMessageBox.critical(None, _("Unable to parse transaction"), _("Electrum was unable to parse your transaction"))
1796
1797
1798
1799     def read_tx_from_file(self):
1800         fileName = self.getOpenFileName(_("Select your transaction file"), "*.txn")
1801         if not fileName:
1802             return
1803         try:
1804             with open(fileName, "r") as f:
1805                 file_content = f.read()
1806         except (ValueError, IOError, os.error), reason:
1807             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1808
1809         return self.tx_from_text(file_content)
1810
1811
1812     @protected
1813     def sign_raw_transaction(self, tx, input_info, password):
1814         self.wallet.signrawtransaction(tx, input_info, [], password)
1815
1816     def do_process_from_text(self):
1817         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
1818         if not text:
1819             return
1820         tx = self.tx_from_text(text)
1821         if tx:
1822             self.show_transaction(tx)
1823
1824     def do_process_from_file(self):
1825         tx = self.read_tx_from_file()
1826         if tx:
1827             self.show_transaction(tx)
1828
1829     def do_process_from_csvReader(self, csvReader):
1830         outputs = []
1831         try:
1832             for row in csvReader:
1833                 address = row[0]
1834                 amount = float(row[1])
1835                 amount = int(100000000*amount)
1836                 outputs.append((address, amount))
1837         except (ValueError, IOError, os.error), reason:
1838             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1839             return
1840
1841         try:
1842             tx = self.wallet.make_unsigned_transaction(outputs, None, None)
1843         except BaseException, e:
1844             self.show_message(str(e))
1845             return
1846
1847         self.show_transaction(tx)
1848
1849     def do_process_from_csv_file(self):
1850         fileName = self.getOpenFileName(_("Select your transaction CSV"), "*.csv")
1851         if not fileName:
1852             return
1853         try:
1854             with open(fileName, "r") as f:
1855                 csvReader = csv.reader(f)
1856                 self.do_process_from_csvReader(csvReader)
1857         except (ValueError, IOError, os.error), reason:
1858             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1859             return
1860
1861     def do_process_from_csv_text(self):
1862         text = text_dialog(self, _('Input CSV'), _("Please enter a list of outputs.") + '\n' \
1863                                + _("Format: address, amount. One output per line"), _("Load CSV"))
1864         if not text:
1865             return
1866         f = StringIO.StringIO(text)
1867         csvReader = csv.reader(f)
1868         self.do_process_from_csvReader(csvReader)
1869
1870
1871
1872     @protected
1873     def do_export_privkeys(self, password):
1874         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.")))
1875
1876         try:
1877             select_export = _('Select file to export your private keys to')
1878             fileName = self.getSaveFileName(select_export, 'electrum-private-keys.csv', "*.csv")
1879             if fileName:
1880                 with open(fileName, "w+") as csvfile:
1881                     transaction = csv.writer(csvfile)
1882                     transaction.writerow(["address", "private_key"])
1883
1884                     addresses = self.wallet.addresses(True)
1885
1886                     for addr in addresses:
1887                         pk = "".join(self.wallet.get_private_key(addr, password))
1888                         transaction.writerow(["%34s"%addr,pk])
1889
1890                     self.show_message(_("Private keys exported."))
1891
1892         except (IOError, os.error), reason:
1893             export_error_label = _("Electrum was unable to produce a private key-export.")
1894             QMessageBox.critical(None, _("Unable to create csv"), export_error_label + "\n" + str(reason))
1895
1896         except BaseException, e:
1897           self.show_message(str(e))
1898           return
1899
1900
1901     def do_import_labels(self):
1902         labelsFile = self.getOpenFileName(_("Open labels file"), "*.dat")
1903         if not labelsFile: return
1904         try:
1905             f = open(labelsFile, 'r')
1906             data = f.read()
1907             f.close()
1908             for key, value in json.loads(data).items():
1909                 self.wallet.set_label(key, value)
1910             QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
1911         except (IOError, os.error), reason:
1912             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
1913
1914
1915     def do_export_labels(self):
1916         labels = self.wallet.labels
1917         try:
1918             fileName = self.getSaveFileName(_("Select file to save your labels"), 'electrum_labels.dat', "*.dat")
1919             if fileName:
1920                 with open(fileName, 'w+') as f:
1921                     json.dump(labels, f)
1922                 QMessageBox.information(None, _("Labels exported"), _("Your labels where exported to")+" '%s'" % str(fileName))
1923         except (IOError, os.error), reason:
1924             QMessageBox.critical(None, _("Unable to export labels"), _("Electrum was unable to export your labels.")+"\n" + str(reason))
1925
1926
1927     def do_export_history(self):
1928         from lite_window import csv_transaction
1929         csv_transaction(self.wallet)
1930
1931
1932     @protected
1933     def do_import_privkey(self, password):
1934         if not self.wallet.imported_keys:
1935             r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
1936                                          + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
1937                                          + _('Are you sure you understand what you are doing?'), 3, 4)
1938             if r == 4: return
1939
1940         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
1941         if not text: return
1942
1943         text = str(text).split()
1944         badkeys = []
1945         addrlist = []
1946         for key in text:
1947             try:
1948                 addr = self.wallet.import_key(key, password)
1949             except BaseException as e:
1950                 badkeys.append(key)
1951                 continue
1952             if not addr:
1953                 badkeys.append(key)
1954             else:
1955                 addrlist.append(addr)
1956         if addrlist:
1957             QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
1958         if badkeys:
1959             QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
1960         self.update_receive_tab()
1961         self.update_history_tab()
1962
1963
1964     def settings_dialog(self):
1965         d = QDialog(self)
1966         d.setWindowTitle(_('Electrum Settings'))
1967         d.setModal(1)
1968         vbox = QVBoxLayout()
1969         grid = QGridLayout()
1970         grid.setColumnStretch(0,1)
1971
1972         nz_label = QLabel(_('Display zeros') + ':')
1973         grid.addWidget(nz_label, 0, 0)
1974         nz_e = AmountEdit(None,True)
1975         nz_e.setText("%d"% self.num_zeros)
1976         grid.addWidget(nz_e, 0, 1)
1977         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
1978         grid.addWidget(HelpButton(msg), 0, 2)
1979         if not self.config.is_modifiable('num_zeros'):
1980             for w in [nz_e, nz_label]: w.setEnabled(False)
1981
1982         lang_label=QLabel(_('Language') + ':')
1983         grid.addWidget(lang_label, 1, 0)
1984         lang_combo = QComboBox()
1985         from electrum.i18n import languages
1986         lang_combo.addItems(languages.values())
1987         try:
1988             index = languages.keys().index(self.config.get("language",''))
1989         except:
1990             index = 0
1991         lang_combo.setCurrentIndex(index)
1992         grid.addWidget(lang_combo, 1, 1)
1993         grid.addWidget(HelpButton(_('Select which language is used in the GUI (after restart).')+' '), 1, 2)
1994         if not self.config.is_modifiable('language'):
1995             for w in [lang_combo, lang_label]: w.setEnabled(False)
1996
1997
1998         fee_label = QLabel(_('Transaction fee') + ':')
1999         grid.addWidget(fee_label, 2, 0)
2000         fee_e = AmountEdit(self.base_unit)
2001         fee_e.setText(self.format_amount(self.wallet.fee).strip())
2002         grid.addWidget(fee_e, 2, 1)
2003         msg = _('Fee per kilobyte of transaction.') + ' ' \
2004             + _('Recommended value') + ': ' + self.format_amount(50000)
2005         grid.addWidget(HelpButton(msg), 2, 2)
2006         if not self.config.is_modifiable('fee_per_kb'):
2007             for w in [fee_e, fee_label]: w.setEnabled(False)
2008
2009         units = ['BTC', 'mBTC']
2010         unit_label = QLabel(_('Base unit') + ':')
2011         grid.addWidget(unit_label, 3, 0)
2012         unit_combo = QComboBox()
2013         unit_combo.addItems(units)
2014         unit_combo.setCurrentIndex(units.index(self.base_unit()))
2015         grid.addWidget(unit_combo, 3, 1)
2016         grid.addWidget(HelpButton(_('Base unit of your wallet.')\
2017                                              + '\n1BTC=1000mBTC.\n' \
2018                                              + _(' This settings affects the fields in the Send tab')+' '), 3, 2)
2019
2020         usechange_cb = QCheckBox(_('Use change addresses'))
2021         usechange_cb.setChecked(self.wallet.use_change)
2022         grid.addWidget(usechange_cb, 4, 0)
2023         grid.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions.')+' '), 4, 2)
2024         if not self.config.is_modifiable('use_change'): usechange_cb.setEnabled(False)
2025
2026         grid.setRowStretch(5,1)
2027
2028         vbox.addLayout(grid)
2029         vbox.addLayout(ok_cancel_buttons(d))
2030         d.setLayout(vbox)
2031
2032         # run the dialog
2033         if not d.exec_(): return
2034
2035         fee = unicode(fee_e.text())
2036         try:
2037             fee = self.read_amount(fee)
2038         except:
2039             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
2040             return
2041
2042         self.wallet.set_fee(fee)
2043
2044         nz = unicode(nz_e.text())
2045         try:
2046             nz = int( nz )
2047             if nz>8: nz=8
2048         except:
2049             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
2050             return
2051
2052         if self.num_zeros != nz:
2053             self.num_zeros = nz
2054             self.config.set_key('num_zeros', nz, True)
2055             self.update_history_tab()
2056             self.update_receive_tab()
2057
2058         usechange_result = usechange_cb.isChecked()
2059         if self.wallet.use_change != usechange_result:
2060             self.wallet.use_change = usechange_result
2061             self.wallet.storage.put('use_change', self.wallet.use_change)
2062
2063         unit_result = units[unit_combo.currentIndex()]
2064         if self.base_unit() != unit_result:
2065             self.decimal_point = 8 if unit_result == 'BTC' else 5
2066             self.config.set_key('decimal_point', self.decimal_point, True)
2067             self.update_history_tab()
2068             self.update_status()
2069
2070         need_restart = False
2071
2072         lang_request = languages.keys()[lang_combo.currentIndex()]
2073         if lang_request != self.config.get('language'):
2074             self.config.set_key("language", lang_request, True)
2075             need_restart = True
2076
2077         run_hook('close_settings_dialog')
2078
2079         if need_restart:
2080             QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
2081
2082
2083     def run_network_dialog(self):
2084         if not self.network:
2085             return
2086         NetworkDialog(self.wallet.network, self.config, self).do_exec()
2087
2088     def closeEvent(self, event):
2089         g = self.geometry()
2090         self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()], True)
2091         self.save_column_widths()
2092         self.config.set_key("console-history", self.console.history[-50:], True)
2093         self.wallet.storage.put('accounts_expanded', self.accounts_expanded)
2094         event.accept()
2095
2096
2097
2098     def plugins_dialog(self):
2099         from electrum.plugins import plugins
2100
2101         d = QDialog(self)
2102         d.setWindowTitle(_('Electrum Plugins'))
2103         d.setModal(1)
2104
2105         vbox = QVBoxLayout(d)
2106
2107         # plugins
2108         scroll = QScrollArea()
2109         scroll.setEnabled(True)
2110         scroll.setWidgetResizable(True)
2111         scroll.setMinimumSize(400,250)
2112         vbox.addWidget(scroll)
2113
2114         w = QWidget()
2115         scroll.setWidget(w)
2116         w.setMinimumHeight(len(plugins)*35)
2117
2118         grid = QGridLayout()
2119         grid.setColumnStretch(0,1)
2120         w.setLayout(grid)
2121
2122         def do_toggle(cb, p, w):
2123             r = p.toggle()
2124             cb.setChecked(r)
2125             if w: w.setEnabled(r)
2126
2127         def mk_toggle(cb, p, w):
2128             return lambda: do_toggle(cb,p,w)
2129
2130         for i, p in enumerate(plugins):
2131             try:
2132                 cb = QCheckBox(p.fullname())
2133                 cb.setDisabled(not p.is_available())
2134                 cb.setChecked(p.is_enabled())
2135                 grid.addWidget(cb, i, 0)
2136                 if p.requires_settings():
2137                     w = p.settings_widget(self)
2138                     w.setEnabled( p.is_enabled() )
2139                     grid.addWidget(w, i, 1)
2140                 else:
2141                     w = None
2142                 cb.clicked.connect(mk_toggle(cb,p,w))
2143                 grid.addWidget(HelpButton(p.description()), i, 2)
2144             except:
2145                 print_msg(_("Error: cannot display plugin"), p)
2146                 traceback.print_exc(file=sys.stdout)
2147         grid.setRowStretch(i+1,1)
2148
2149         vbox.addLayout(close_button(d))
2150
2151         d.exec_()
2152
2153
2154     def show_account_details(self, k):
2155         d = QDialog(self)
2156         d.setWindowTitle(_('Account Details'))
2157         d.setModal(1)
2158
2159         vbox = QVBoxLayout(d)
2160         roots = self.wallet.get_roots(k)
2161
2162         name = self.wallet.get_account_name(k)
2163         label = QLabel('Name: ' + name)
2164         vbox.addWidget(label)
2165
2166         acctype = '2 of 2' if len(roots) == 2 else '2 of 3' if len(roots) == 3 else 'Single key'
2167         vbox.addWidget(QLabel('Type: ' + acctype))
2168
2169         label = QLabel('Derivation: ' + k)
2170         vbox.addWidget(label)
2171
2172         #for root in roots:
2173         #    mpk = self.wallet.master_public_keys[root]
2174         #    text = QTextEdit()
2175         #    text.setReadOnly(True)
2176         #    text.setMaximumHeight(120)
2177         #    text.setText(repr(mpk))
2178         #    vbox.addWidget(text)
2179
2180         vbox.addLayout(close_button(d))
2181         d.exec_()