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 webbrowser
  24 import shutil
  25 import StringIO
  26
  27
  28 import PyQt4
  29 from PyQt4.QtGui import *
  30 from PyQt4.QtCore import *
  31 import PyQt4.QtCore as QtCore
  32
  33 from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
  34 from electrum.plugins import run_hook
  35
  36 import icons_rc
  37
  38 from electrum.wallet import format_satoshis
  39 from electrum import Transaction
  40 from electrum import mnemonic
  41 from electrum import util, bitcoin, commands, Interface, Wallet
  42 from electrum import SimpleConfig, Wallet, WalletStorage
  43
  44
  45 from electrum import bmp, pyqrnative
  46
  47 from amountedit import AmountEdit
  48 from network_dialog import NetworkDialog
  49 from qrcodewidget import QRCodeWidget
  50
  51 from decimal import Decimal
  52
  53 import platform
  54 import httplib
  55 import socket
  56 import webbrowser
  57 import csv
  58
  59 if platform.system() == 'Windows':
  60     MONOSPACE_FONT = 'Lucida Console'
  61 elif platform.system() == 'Darwin':
  62     MONOSPACE_FONT = 'Monaco'
  63 else:
  64     MONOSPACE_FONT = 'monospace'
  65
  66 from electrum import ELECTRUM_VERSION
  67 import re
  68
  69 from util import *
  70
  71
  72
  73
  74
  75
  76 class StatusBarButton(QPushButton):
  77     def __init__(self, icon, tooltip, func):
  78         QPushButton.__init__(self, icon, '')
  79         self.setToolTip(tooltip)
  80         self.setFlat(True)
  81         self.setMaximumWidth(25)
  82         self.clicked.connect(func)
  83         self.func = func
  84         self.setIconSize(QSize(25,25))
  85
  86     def keyPressEvent(self, e):
  87         if e.key() == QtCore.Qt.Key_Return:
  88             apply(self.func,())
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99 default_column_widths = { "history":[40,140,350,140], "contacts":[350,330], "receive": [370,200,130] }
 100
 101 class ElectrumWindow(QMainWindow):
 102
 103
 104
 105     def __init__(self, config, network, gui_object):
 106         QMainWindow.__init__(self)
 107
 108         self.config = config
 109         self.network = network
 110         self.gui_object = gui_object
 111         self.tray = gui_object.tray
 112         self.go_lite = gui_object.go_lite
 113         self.lite = None
 114
 115         self.create_status_bar()
 116         self.need_update = threading.Event()
 117
 118         self.decimal_point = config.get('decimal_point', 5)
 119         self.num_zeros     = int(config.get('num_zeros',0))
 120
 121         set_language(config.get('language'))
 122
 123         self.funds_error = False
 124         self.completions = QStringListModel()
 125
 126         self.tabs = tabs = QTabWidget(self)
 127         self.column_widths = self.config.get("column_widths_2", default_column_widths )
 128         tabs.addTab(self.create_history_tab(), _('History') )
 129         tabs.addTab(self.create_send_tab(), _('Send') )
 130         tabs.addTab(self.create_receive_tab(), _('Receive') )
 131         tabs.addTab(self.create_contacts_tab(), _('Contacts') )
 132         tabs.addTab(self.create_console_tab(), _('Console') )
 133         tabs.setMinimumSize(600, 400)
 134         tabs.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
 135         self.setCentralWidget(tabs)
 136
 137         g = self.config.get("winpos-qt",[100, 100, 840, 400])
 138         self.setGeometry(g[0], g[1], g[2], g[3])
 139         if self.config.get("is_maximized"):
 140             self.showMaximized()
 141
 142         self.setWindowIcon(QIcon(":icons/electrum.png"))
 143         self.init_menubar()
 144
 145         QShortcut(QKeySequence("Ctrl+W"), self, self.close)
 146         QShortcut(QKeySequence("Ctrl+Q"), self, self.close)
 147         QShortcut(QKeySequence("Ctrl+R"), self, self.update_wallet)
 148         QShortcut(QKeySequence("Ctrl+PgUp"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() - 1 )%tabs.count() ))
 149         QShortcut(QKeySequence("Ctrl+PgDown"), self, lambda: tabs.setCurrentIndex( (tabs.currentIndex() + 1 )%tabs.count() ))
 150
 151         for i in range(tabs.count()):
 152             QShortcut(QKeySequence("Alt+" + str(i + 1)), self, lambda i=i: tabs.setCurrentIndex(i))
 153
 154         self.connect(self, QtCore.SIGNAL('update_status'), self.update_status)
 155         self.connect(self, QtCore.SIGNAL('banner_signal'), lambda: self.console.showMessage(self.network.banner) )
 156         self.connect(self, QtCore.SIGNAL('transaction_signal'), lambda: self.notify_transactions() )
 157         self.connect(self, QtCore.SIGNAL('payment_request_ok'), self.payment_request_ok)
 158         self.connect(self, QtCore.SIGNAL('payment_request_error'), self.payment_request_error)
 159
 160         self.history_list.setFocus(True)
 161
 162         # network callbacks
 163         if self.network:
 164             self.network.register_callback('updated', lambda: self.need_update.set())
 165             self.network.register_callback('banner', lambda: self.emit(QtCore.SIGNAL('banner_signal')))
 166             self.network.register_callback('disconnected', lambda: self.emit(QtCore.SIGNAL('update_status')))
 167             self.network.register_callback('disconnecting', lambda: self.emit(QtCore.SIGNAL('update_status')))
 168             self.network.register_callback('new_transaction', lambda: self.emit(QtCore.SIGNAL('transaction_signal')))
 169
 170             # set initial message
 171             self.console.showMessage(self.network.banner)
 172
 173         self.wallet = None
 174
 175
 176     def update_account_selector(self):
 177         # account selector
 178         accounts = self.wallet.get_account_names()
 179         self.account_selector.clear()
 180         if len(accounts) > 1:
 181             self.account_selector.addItems([_("All accounts")] + accounts.values())
 182             self.account_selector.setCurrentIndex(0)
 183             self.account_selector.show()
 184         else:
 185             self.account_selector.hide()
 186
 187
 188     def load_wallet(self, wallet):
 189         import electrum
 190         self.wallet = wallet
 191         self.accounts_expanded = self.wallet.storage.get('accounts_expanded',{})
 192         self.current_account = self.wallet.storage.get("current_account", None)
 193
 194         title = 'Electrum ' + self.wallet.electrum_version + '  -  ' + self.wallet.storage.path
 195         if self.wallet.is_watching_only(): title += ' [%s]' % (_('watching only'))
 196         self.setWindowTitle( title )
 197         self.update_wallet()
 198         # Once GUI has been initialized check if we want to announce something since the callback has been called before the GUI was initialized
 199         self.notify_transactions()
 200         self.update_account_selector()
 201         # update menus
 202         self.new_account_menu.setEnabled(self.wallet.can_create_accounts())
 203         self.private_keys_menu.setEnabled(not self.wallet.is_watching_only())
 204         self.password_menu.setEnabled(not self.wallet.is_watching_only())
 205         self.seed_menu.setEnabled(self.wallet.has_seed())
 206         self.mpk_menu.setEnabled(self.wallet.is_deterministic())
 207         self.import_menu.setEnabled(self.wallet.can_import())
 208
 209         self.update_lock_icon()
 210         self.update_buttons_on_seed()
 211         self.update_console()
 212
 213         run_hook('load_wallet', wallet)
 214
 215
 216     def open_wallet(self):
 217         wallet_folder = self.wallet.storage.path
 218         filename = unicode( QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder) )
 219         if not filename:
 220             return
 221
 222         storage = WalletStorage({'wallet_path': filename})
 223         if not storage.file_exists:
 224             self.show_message("file not found "+ filename)
 225             return
 226
 227         self.wallet.stop_threads()
 228
 229         # create new wallet
 230         wallet = Wallet(storage)
 231         wallet.start_threads(self.network)
 232
 233         self.load_wallet(wallet)
 234
 235
 236
 237     def backup_wallet(self):
 238         import shutil
 239         path = self.wallet.storage.path
 240         wallet_folder = os.path.dirname(path)
 241         filename = unicode( QFileDialog.getSaveFileName(self, _('Enter a filename for the copy of your wallet'), wallet_folder) )
 242         if not filename:
 243             return
 244
 245         new_path = os.path.join(wallet_folder, filename)
 246         if new_path != path:
 247             try:
 248                 shutil.copy2(path, new_path)
 249                 QMessageBox.information(None,"Wallet backup created", _("A copy of your wallet file was created in")+" '%s'" % str(new_path))
 250             except (IOError, os.error), reason:
 251                 QMessageBox.critical(None,"Unable to create backup", _("Electrum was unable to copy your wallet file to the specified location.")+"\n" + str(reason))
 252
 253
 254     def new_wallet(self):
 255         import installwizard
 256
 257         wallet_folder = os.path.dirname(self.wallet.storage.path)
 258         filename = unicode( QFileDialog.getSaveFileName(self, _('Enter a new file name'), wallet_folder) )
 259         if not filename:
 260             return
 261         filename = os.path.join(wallet_folder, filename)
 262
 263         storage = WalletStorage({'wallet_path': filename})
 264         if storage.file_exists:
 265             QMessageBox.critical(None, "Error", _("File exists"))
 266             return
 267
 268         wizard = installwizard.InstallWizard(self.config, self.network, storage)
 269         wallet = wizard.run('new')
 270         if wallet:
 271             self.load_wallet(wallet)
 272
 273
 274
 275     def init_menubar(self):
 276         menubar = QMenuBar()
 277
 278         file_menu = menubar.addMenu(_("&File"))
 279         file_menu.addAction(_("&Open"), self.open_wallet).setShortcut(QKeySequence.Open)
 280         file_menu.addAction(_("&New/Restore"), self.new_wallet).setShortcut(QKeySequence.New)
 281         file_menu.addAction(_("&Save Copy"), self.backup_wallet).setShortcut(QKeySequence.SaveAs)
 282         file_menu.addAction(_("&Quit"), self.close)
 283
 284         wallet_menu = menubar.addMenu(_("&Wallet"))
 285         wallet_menu.addAction(_("&New contact"), self.new_contact_dialog)
 286         self.new_account_menu = wallet_menu.addAction(_("&New account"), self.new_account_dialog)
 287
 288         wallet_menu.addSeparator()
 289
 290         self.password_menu = wallet_menu.addAction(_("&Password"), self.change_password_dialog)
 291         self.seed_menu = wallet_menu.addAction(_("&Seed"), self.show_seed_dialog)
 292         self.mpk_menu = wallet_menu.addAction(_("&Master Public Keys"), self.show_master_public_keys)
 293
 294         wallet_menu.addSeparator()
 295         labels_menu = wallet_menu.addMenu(_("&Labels"))
 296         labels_menu.addAction(_("&Import"), self.do_import_labels)
 297         labels_menu.addAction(_("&Export"), self.do_export_labels)
 298
 299         self.private_keys_menu = wallet_menu.addMenu(_("&Private keys"))
 300         self.private_keys_menu.addAction(_("&Sweep"), self.sweep_key_dialog)
 301         self.import_menu = self.private_keys_menu.addAction(_("&Import"), self.do_import_privkey)
 302         self.private_keys_menu.addAction(_("&Export"), self.export_privkeys_dialog)
 303         wallet_menu.addAction(_("&Export History"), self.export_history_dialog)
 304
 305         tools_menu = menubar.addMenu(_("&Tools"))
 306
 307         # Settings / Preferences are all reserved keywords in OSX using this as work around
 308         tools_menu.addAction(_("Electrum preferences") if sys.platform == 'darwin' else _("Preferences"), self.settings_dialog)
 309         tools_menu.addAction(_("&Network"), self.run_network_dialog)
 310         tools_menu.addAction(_("&Plugins"), self.plugins_dialog)
 311         tools_menu.addSeparator()
 312         tools_menu.addAction(_("&Sign/verify message"), self.sign_verify_message)
 313         #tools_menu.addAction(_("&Encrypt/decrypt message"), self.encrypt_message)
 314         tools_menu.addSeparator()
 315
 316         csv_transaction_menu = tools_menu.addMenu(_("&Create transaction"))
 317         csv_transaction_menu.addAction(_("&From CSV file"), self.do_process_from_csv_file)
 318         csv_transaction_menu.addAction(_("&From CSV text"), self.do_process_from_csv_text)
 319
 320         raw_transaction_menu = tools_menu.addMenu(_("&Load transaction"))
 321         raw_transaction_menu.addAction(_("&From file"), self.do_process_from_file)
 322         raw_transaction_menu.addAction(_("&From text"), self.do_process_from_text)
 323         raw_transaction_menu.addAction(_("&From the blockchain"), self.do_process_from_txid)
 324
 325         help_menu = menubar.addMenu(_("&Help"))
 326         help_menu.addAction(_("&About"), self.show_about)
 327         help_menu.addAction(_("&Official website"), lambda: webbrowser.open("http://electrum.org"))
 328         help_menu.addSeparator()
 329         help_menu.addAction(_("&Documentation"), lambda: webbrowser.open("http://electrum.org/documentation.html")).setShortcut(QKeySequence.HelpContents)
 330         help_menu.addAction(_("&Report Bug"), self.show_report_bug)
 331
 332         self.setMenuBar(menubar)
 333
 334     def show_about(self):
 335         QMessageBox.about(self, "Electrum",
 336             _("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."))
 337
 338     def show_report_bug(self):
 339         QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
 340             _("Please report any bugs as issues on github:")+" <a href=\"https://github.com/spesmilo/electrum/issues\">https://github.com/spesmilo/electrum/issues</a>")
 341
 342
 343     def notify_transactions(self):
 344         if not self.network or not self.network.is_connected():
 345             return
 346
 347         print_error("Notifying GUI")
 348         if len(self.network.pending_transactions_for_notifications) > 0:
 349             # Combine the transactions if there are more then three
 350             tx_amount = len(self.network.pending_transactions_for_notifications)
 351             if(tx_amount >= 3):
 352                 total_amount = 0
 353                 for tx in self.network.pending_transactions_for_notifications:
 354                     is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 355                     if(v > 0):
 356                         total_amount += v
 357
 358                 self.notify(_("%(txs)s new transactions received. Total amount received in the new transactions %(amount)s %(unit)s") \
 359                                 % { 'txs' : tx_amount, 'amount' : self.format_amount(total_amount), 'unit' : self.base_unit()})
 360
 361                 self.network.pending_transactions_for_notifications = []
 362             else:
 363               for tx in self.network.pending_transactions_for_notifications:
 364                   if tx:
 365                       self.network.pending_transactions_for_notifications.remove(tx)
 366                       is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
 367                       if(v > 0):
 368                           self.notify(_("New transaction received. %(amount)s %(unit)s") % { 'amount' : self.format_amount(v), 'unit' : self.base_unit()})
 369
 370     def notify(self, message):
 371         self.tray.showMessage("Electrum", message, QSystemTrayIcon.Information, 20000)
 372
 373
 374
 375     # custom wrappers for getOpenFileName and getSaveFileName, that remember the path selected by the user
 376     def getOpenFileName(self, title, filter = ""):
 377         directory = self.config.get('io_dir', unicode(os.path.expanduser('~')))
 378         fileName = unicode( QFileDialog.getOpenFileName(self, title, directory, filter) )
 379         if fileName and directory != os.path.dirname(fileName):
 380             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 381         return fileName
 382
 383     def getSaveFileName(self, title, filename, filter = ""):
 384         directory = self.config.get('io_dir', unicode(os.path.expanduser('~')))
 385         path = os.path.join( directory, filename )
 386         fileName = unicode( QFileDialog.getSaveFileName(self, title, path, filter) )
 387         if fileName and directory != os.path.dirname(fileName):
 388             self.config.set_key('io_dir', os.path.dirname(fileName), True)
 389         return fileName
 390
 391     def close(self):
 392         QMainWindow.close(self)
 393         run_hook('close_main_window')
 394
 395     def connect_slots(self, sender):
 396         self.connect(sender, QtCore.SIGNAL('timersignal'), self.timer_actions)
 397         self.previous_payto_e=''
 398
 399     def timer_actions(self):
 400         if self.need_update.is_set():
 401             self.update_wallet()
 402             self.need_update.clear()
 403         run_hook('timer_actions')
 404
 405     def format_amount(self, x, is_diff=False, whitespaces=False):
 406         return format_satoshis(x, is_diff, self.num_zeros, self.decimal_point, whitespaces)
 407
 408     def read_amount(self, x):
 409         if x in['.', '']: return None
 410         p = pow(10, self.decimal_point)
 411         return int( p * Decimal(x) )
 412
 413     def base_unit(self):
 414         assert self.decimal_point in [5,8]
 415         return "BTC" if self.decimal_point == 8 else "mBTC"
 416
 417
 418     def update_status(self):
 419         if self.network is None or not self.network.is_running():
 420             text = _("Offline")
 421             icon = QIcon(":icons/status_disconnected.png")
 422
 423         elif self.network.is_connected():
 424             if not self.wallet.up_to_date:
 425                 text = _("Synchronizing...")
 426                 icon = QIcon(":icons/status_waiting.png")
 427             elif self.network.server_lag > 1:
 428                 text = _("Server is lagging (%d blocks)"%self.network.server_lag)
 429                 icon = QIcon(":icons/status_lagging.png")
 430             else:
 431                 c, u = self.wallet.get_account_balance(self.current_account)
 432                 text =  _( "Balance" ) + ": %s "%( self.format_amount(c) ) + self.base_unit()
 433                 if u: text +=  " [%s unconfirmed]"%( self.format_amount(u,True).strip() )
 434
 435                 # append fiat balance and price from exchange rate plugin
 436                 r = {}
 437                 run_hook('get_fiat_status_text', c+u, r)
 438                 quote = r.get(0)
 439                 if quote:
 440                     text += "%s"%quote
 441
 442                 self.tray.setToolTip(text)
 443                 icon = QIcon(":icons/status_connected.png")
 444         else:
 445             text = _("Not connected")
 446             icon = QIcon(":icons/status_disconnected.png")
 447
 448         self.balance_label.setText(text)
 449         self.status_button.setIcon( icon )
 450
 451
 452     def update_wallet(self):
 453         self.update_status()
 454         if self.wallet.up_to_date or not self.network or not self.network.is_connected():
 455             self.update_history_tab()
 456             self.update_receive_tab()
 457             self.update_contacts_tab()
 458             self.update_completions()
 459
 460
 461     def create_history_tab(self):
 462         self.history_list = l = MyTreeWidget(self)
 463         l.setColumnCount(5)
 464         for i,width in enumerate(self.column_widths['history']):
 465             l.setColumnWidth(i, width)
 466         l.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance')] )
 467         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), self.tx_label_clicked)
 468         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), self.tx_label_changed)
 469
 470         l.customContextMenuRequested.connect(self.create_history_menu)
 471         return l
 472
 473
 474     def create_history_menu(self, position):
 475         self.history_list.selectedIndexes()
 476         item = self.history_list.currentItem()
 477         be = self.config.get('block_explorer', 'Blockchain.info')
 478         if be == 'Blockchain.info':
 479             block_explorer = 'https://blockchain.info/tx/'
 480         elif be == 'Blockr.io':
 481             block_explorer = 'https://blockr.io/tx/info/'
 482         elif be == 'Insight.is':
 483             block_explorer = 'http://live.insight.is/tx/'
 484         if not item: return
 485         tx_hash = str(item.data(0, Qt.UserRole).toString())
 486         if not tx_hash: return
 487         menu = QMenu()
 488         menu.addAction(_("Copy ID to Clipboard"), lambda: self.app.clipboard().setText(tx_hash))
 489         menu.addAction(_("Details"), lambda: self.show_transaction(self.wallet.transactions.get(tx_hash)))
 490         menu.addAction(_("Edit description"), lambda: self.tx_label_clicked(item,2))
 491         menu.addAction(_("View on block explorer"), lambda: webbrowser.open(block_explorer + tx_hash))
 492         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
 493
 494
 495     def show_transaction(self, tx):
 496         import transaction_dialog
 497         d = transaction_dialog.TxDialog(tx, self)
 498         d.exec_()
 499
 500     def tx_label_clicked(self, item, column):
 501         if column==2 and item.isSelected():
 502             self.is_edit=True
 503             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 504             self.history_list.editItem( item, column )
 505             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 506             self.is_edit=False
 507
 508     def tx_label_changed(self, item, column):
 509         if self.is_edit:
 510             return
 511         self.is_edit=True
 512         tx_hash = str(item.data(0, Qt.UserRole).toString())
 513         tx = self.wallet.transactions.get(tx_hash)
 514         text = unicode( item.text(2) )
 515         self.wallet.set_label(tx_hash, text)
 516         if text:
 517             item.setForeground(2, QBrush(QColor('black')))
 518         else:
 519             text = self.wallet.get_default_label(tx_hash)
 520             item.setText(2, text)
 521             item.setForeground(2, QBrush(QColor('gray')))
 522         self.is_edit=False
 523
 524
 525     def edit_label(self, is_recv):
 526         l = self.receive_list if is_recv else self.contacts_list
 527         item = l.currentItem()
 528         item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 529         l.editItem( item, 1 )
 530         item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 531
 532
 533
 534     def address_label_clicked(self, item, column, l, column_addr, column_label):
 535         if column == column_label and item.isSelected():
 536             is_editable = item.data(0, 32).toBool()
 537             if not is_editable:
 538                 return
 539             addr = unicode( item.text(column_addr) )
 540             label = unicode( item.text(column_label) )
 541             item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 542             l.editItem( item, column )
 543             item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
 544
 545
 546     def address_label_changed(self, item, column, l, column_addr, column_label):
 547         if column == column_label:
 548             addr = unicode( item.text(column_addr) )
 549             text = unicode( item.text(column_label) )
 550             is_editable = item.data(0, 32).toBool()
 551             if not is_editable:
 552                 return
 553
 554             changed = self.wallet.set_label(addr, text)
 555             if changed:
 556                 self.update_history_tab()
 557                 self.update_completions()
 558
 559             self.current_item_changed(item)
 560
 561         run_hook('item_changed', item, column)
 562
 563
 564     def current_item_changed(self, a):
 565         run_hook('current_item_changed', a)
 566
 567
 568
 569     def update_history_tab(self):
 570
 571         self.history_list.clear()
 572         for item in self.wallet.get_tx_history(self.current_account):
 573             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
 574             time_str = _("unknown")
 575             if conf > 0:
 576                 try:
 577                     time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
 578                 except Exception:
 579                     time_str = _("error")
 580
 581             if conf == -1:
 582                 time_str = 'unverified'
 583                 icon = QIcon(":icons/unconfirmed.png")
 584             elif conf == 0:
 585                 time_str = 'pending'
 586                 icon = QIcon(":icons/unconfirmed.png")
 587             elif conf < 6:
 588                 icon = QIcon(":icons/clock%d.png"%conf)
 589             else:
 590                 icon = QIcon(":icons/confirmed.png")
 591
 592             if value is not None:
 593                 v_str = self.format_amount(value, True, whitespaces=True)
 594             else:
 595                 v_str = '--'
 596
 597             balance_str = self.format_amount(balance, whitespaces=True)
 598
 599             if tx_hash:
 600                 label, is_default_label = self.wallet.get_label(tx_hash)
 601             else:
 602                 label = _('Pruned transaction outputs')
 603                 is_default_label = False
 604
 605             item = QTreeWidgetItem( [ '', time_str, label, v_str, balance_str] )
 606             item.setFont(2, QFont(MONOSPACE_FONT))
 607             item.setFont(3, QFont(MONOSPACE_FONT))
 608             item.setFont(4, QFont(MONOSPACE_FONT))
 609             if value < 0:
 610                 item.setForeground(3, QBrush(QColor("#BC1E1E")))
 611             if tx_hash:
 612                 item.setData(0, Qt.UserRole, tx_hash)
 613                 item.setToolTip(0, "%d %s\nTxId:%s" % (conf, _('Confirmations'), tx_hash) )
 614             if is_default_label:
 615                 item.setForeground(2, QBrush(QColor('grey')))
 616
 617             item.setIcon(0, icon)
 618             self.history_list.insertTopLevelItem(0,item)
 619
 620
 621         self.history_list.setCurrentItem(self.history_list.topLevelItem(0))
 622         run_hook('history_tab_update')
 623
 624
 625     def create_send_tab(self):
 626         w = QWidget()
 627
 628         grid = QGridLayout()
 629         grid.setSpacing(8)
 630         grid.setColumnMinimumWidth(3,300)
 631         grid.setColumnStretch(5,1)
 632
 633
 634         self.payto_e = QLineEdit()
 635         self.payto_help = 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)'))
 636         grid.addWidget(QLabel(_('Pay to')), 1, 0)
 637         grid.addWidget(self.payto_e, 1, 1, 1, 3)
 638         grid.addWidget(self.payto_help, 1, 4)
 639
 640         completer = QCompleter()
 641         completer.setCaseSensitivity(False)
 642         self.payto_e.setCompleter(completer)
 643         completer.setModel(self.completions)
 644
 645         self.message_e = QLineEdit()
 646         self.message_help = 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.'))
 647         grid.addWidget(QLabel(_('Description')), 2, 0)
 648         grid.addWidget(self.message_e, 2, 1, 1, 3)
 649         grid.addWidget(self.message_help, 2, 4)
 650
 651         self.from_label = QLabel(_('From'))
 652         grid.addWidget(self.from_label, 3, 0)
 653         self.from_list = QTreeWidget(self)
 654         self.from_list.setColumnCount(2)
 655         self.from_list.setColumnWidth(0, 350)
 656         self.from_list.setColumnWidth(1, 50)
 657         self.from_list.setHeaderHidden (True)
 658         self.from_list.setMaximumHeight(80)
 659         grid.addWidget(self.from_list, 3, 1, 1, 3)
 660         self.set_pay_from([])
 661
 662         self.amount_e = AmountEdit(self.base_unit)
 663         self.amount_help = HelpButton(_('Amount to be sent.') + '\n\n' \
 664                                       + _('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.') \
 665                                       + '\n\n' + _('Keyboard shortcut: type "!" to send all your coins.'))
 666         grid.addWidget(QLabel(_('Amount')), 4, 0)
 667         grid.addWidget(self.amount_e, 4, 1, 1, 2)
 668         grid.addWidget(self.amount_help, 4, 3)
 669
 670         self.fee_e = AmountEdit(self.base_unit)
 671         grid.addWidget(QLabel(_('Fee')), 5, 0)
 672         grid.addWidget(self.fee_e, 5, 1, 1, 2)
 673         grid.addWidget(HelpButton(
 674                 _('Bitcoin transactions are in general not free. A transaction fee is paid by the sender of the funds.') + '\n\n'\
 675                     + _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
 676                     + _('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)
 677
 678         run_hook('exchange_rate_button', grid)
 679
 680         self.send_button = EnterButton(_("Send"), self.do_send)
 681         grid.addWidget(self.send_button, 6, 1)
 682
 683         b = EnterButton(_("Clear"),self.do_clear)
 684         grid.addWidget(b, 6, 2)
 685
 686         self.payto_sig = QLabel('')
 687         grid.addWidget(self.payto_sig, 7, 0, 1, 4)
 688
 689         QShortcut(QKeySequence("Up"), w, w.focusPreviousChild)
 690         QShortcut(QKeySequence("Down"), w, w.focusNextChild)
 691         w.setLayout(grid)
 692
 693         w2 = QWidget()
 694         vbox = QVBoxLayout()
 695         vbox.addWidget(w)
 696         vbox.addStretch(1)
 697         w2.setLayout(vbox)
 698
 699         def entry_changed( is_fee ):
 700             self.funds_error = False
 701
 702             if self.amount_e.is_shortcut:
 703                 self.amount_e.is_shortcut = False
 704                 sendable = self.get_sendable_balance()
 705                 # there is only one output because we are completely spending inputs
 706                 inputs, total, fee = self.wallet.choose_tx_inputs( sendable, 0, 1, self.get_payment_sources())
 707                 fee = self.wallet.estimated_fee(inputs, 1)
 708                 amount = total - fee
 709                 self.amount_e.setText( self.format_amount(amount) )
 710                 self.fee_e.setText( self.format_amount( fee ) )
 711                 return
 712
 713             amount = self.read_amount(str(self.amount_e.text()))
 714             fee = self.read_amount(str(self.fee_e.text()))
 715
 716             if not is_fee: fee = None
 717             if amount is None:
 718                 return
 719             # assume that there will be 2 outputs (one for change)
 720             inputs, total, fee = self.wallet.choose_tx_inputs(amount, fee, 2, self.get_payment_sources())
 721             if not is_fee:
 722                 self.fee_e.setText( self.format_amount( fee ) )
 723             if inputs:
 724                 palette = QPalette()
 725                 palette.setColor(self.amount_e.foregroundRole(), QColor('black'))
 726                 text = ""
 727             else:
 728                 palette = QPalette()
 729                 palette.setColor(self.amount_e.foregroundRole(), QColor('red'))
 730                 self.funds_error = True
 731                 text = _( "Not enough funds" )
 732                 c, u = self.wallet.get_frozen_balance()
 733                 if c+u: text += ' (' + self.format_amount(c+u).strip() + ' ' + self.base_unit() + ' ' +_("are frozen") + ')'
 734
 735             self.statusBar().showMessage(text)
 736             self.amount_e.setPalette(palette)
 737             self.fee_e.setPalette(palette)
 738
 739         self.amount_e.textChanged.connect(lambda: entry_changed(False) )
 740         self.fee_e.textChanged.connect(lambda: entry_changed(True) )
 741
 742         run_hook('create_send_tab', grid)
 743         return w2
 744
 745
 746     def set_pay_from(self, l):
 747         self.pay_from = l
 748         self.from_list.clear()
 749         self.from_label.setHidden(len(self.pay_from) == 0)
 750         self.from_list.setHidden(len(self.pay_from) == 0)
 751         for addr in self.pay_from:
 752             c, u = self.wallet.get_addr_balance(addr)
 753             balance = self.format_amount(c + u)
 754             self.from_list.addTopLevelItem(QTreeWidgetItem( [addr, balance] ))
 755
 756
 757     def update_completions(self):
 758         l = []
 759         for addr,label in self.wallet.labels.items():
 760             if addr in self.wallet.addressbook:
 761                 l.append( label + '  <' + addr + '>')
 762
 763         run_hook('update_completions', l)
 764         self.completions.setStringList(l)
 765
 766
 767     def protected(func):
 768         return lambda s, *args: s.do_protect(func, args)
 769
 770
 771     def do_send(self):
 772         label = unicode( self.message_e.text() )
 773
 774         if self.gui_object.payment_request:
 775             outputs = self.gui_object.payment_request.outputs
 776             amount = self.gui_object.payment_request.get_amount()
 777
 778         else:
 779             r = unicode( self.payto_e.text() )
 780             r = r.strip()
 781
 782             # label or alias, with address in brackets
 783             m = re.match('(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>', r)
 784             to_address = m.group(2) if m else r
 785             if not is_valid(to_address):
 786                 QMessageBox.warning(self, _('Error'), _('Invalid Bitcoin Address') + ':\n' + to_address, _('OK'))
 787                 return
 788
 789             try:
 790                 amount = self.read_amount(unicode( self.amount_e.text()))
 791             except Exception:
 792                 QMessageBox.warning(self, _('Error'), _('Invalid Amount'), _('OK'))
 793                 return
 794
 795             outputs = [(to_address, amount)]
 796
 797         try:
 798             fee = self.read_amount(unicode( self.fee_e.text()))
 799         except Exception:
 800             QMessageBox.warning(self, _('Error'), _('Invalid Fee'), _('OK'))
 801             return
 802
 803         confirm_amount = self.config.get('confirm_amount', 100000000)
 804         if amount >= confirm_amount:
 805             if not self.question(_("send %(amount)s to %(address)s?")%{ 'amount' : self.format_amount(amount) + ' '+ self.base_unit(), 'address' : to_address}):
 806                 return
 807
 808         confirm_fee = self.config.get('confirm_fee', 100000)
 809         if fee >= confirm_fee:
 810             if not self.question(_("The fee for this transaction seems unusually high.\nAre you really sure you want to pay %(fee)s in fees?")%{ 'fee' : self.format_amount(fee) + ' '+ self.base_unit()}):
 811                 return
 812
 813         self.send_tx(outputs, fee, label)
 814
 815
 816
 817     @protected
 818     def send_tx(self, outputs, fee, label, password):
 819
 820         # first, create an unsigned tx
 821         domain = self.get_payment_sources()
 822         try:
 823             tx = self.wallet.make_unsigned_transaction(outputs, fee, None, domain)
 824             tx.error = None
 825         except Exception as e:
 826             traceback.print_exc(file=sys.stdout)
 827             self.show_message(str(e))
 828             return
 829
 830         # call hook to see if plugin needs gui interaction
 831         run_hook('send_tx', tx)
 832
 833         # sign the tx
 834         def sign_thread():
 835             time.sleep(0.1)
 836             keypairs = {}
 837             self.wallet.add_keypairs_from_wallet(tx, keypairs, password)
 838             self.wallet.sign_transaction(tx, keypairs, password)
 839             return tx, fee, label
 840
 841         def sign_done(tx, fee, label):
 842             if tx.error:
 843                 self.show_message(tx.error)
 844                 return
 845             if tx.requires_fee(self.wallet.verifier) and fee < MIN_RELAY_TX_FEE:
 846                 QMessageBox.warning(self, _('Error'), _("This transaction requires a higher fee, or it will not be propagated by the network."), _('OK'))
 847                 return
 848             if label:
 849                 self.wallet.set_label(tx.hash(), label)
 850
 851             if not self.gui_object.payment_request:
 852                 if not tx.is_complete() or self.config.get('show_before_broadcast'):
 853                     self.show_transaction(tx)
 854                     return
 855
 856             self.broadcast_transaction(tx)
 857
 858         WaitingDialog(self, 'Signing..').start(sign_thread, sign_done)
 859
 860
 861
 862     def broadcast_transaction(self, tx):
 863
 864         def broadcast_thread():
 865             if self.gui_object.payment_request:
 866                 refund_address = self.wallet.addresses()[0]
 867                 status, msg = self.gui_object.payment_request.send_ack(str(tx), refund_address)
 868                 self.gui_object.payment_request = None
 869             else:
 870                 status, msg =  self.wallet.sendtx(tx)
 871             return status, msg
 872
 873         def broadcast_done(status, msg):
 874             if status:
 875                 QMessageBox.information(self, '', _('Payment sent.') + '\n' + msg, _('OK'))
 876                 self.do_clear()
 877             else:
 878                 QMessageBox.warning(self, _('Error'), msg, _('OK'))
 879
 880         WaitingDialog(self, 'Broadcasting..').start(broadcast_thread, broadcast_done)
 881
 882
 883
 884     def prepare_for_payment_request(self):
 885         style = "QWidget { background-color:none;border:none;}"
 886         self.tabs.setCurrentIndex(1)
 887         for e in [self.payto_e, self.amount_e, self.message_e]:
 888             e.setReadOnly(True)
 889             e.setStyleSheet(style)
 890         for h in [self.payto_help, self.amount_help, self.message_help]:
 891             h.hide()
 892         self.payto_e.setText(_("please wait..."))
 893         return True
 894
 895     def payment_request_ok(self):
 896         self.payto_e.setText(self.gui_object.payment_request.domain)
 897         self.amount_e.setText(self.format_amount(self.gui_object.payment_request.get_amount()))
 898         self.message_e.setText(self.gui_object.payment_request.memo)
 899
 900     def payment_request_error(self):
 901         self.do_clear()
 902         self.show_message(self.gui_object.payment_request.error)
 903
 904
 905     def set_send(self, address, amount, label, message):
 906
 907         if label and self.wallet.labels.get(address) != label:
 908             if self.question('Give label "%s" to address %s ?'%(label,address)):
 909                 if address not in self.wallet.addressbook and not self.wallet.is_mine(address):
 910                     self.wallet.addressbook.append(address)
 911                 self.wallet.set_label(address, label)
 912
 913         self.tabs.setCurrentIndex(1)
 914         label = self.wallet.labels.get(address)
 915         m_addr = label + '  <'+ address +'>' if label else address
 916         self.payto_e.setText(m_addr)
 917
 918         self.message_e.setText(message)
 919         if amount:
 920             self.amount_e.setText(amount)
 921
 922
 923     def do_clear(self):
 924         self.payto_sig.setVisible(False)
 925         for e in [self.payto_e, self.message_e, self.amount_e, self.fee_e]:
 926             e.setText('')
 927             self.set_frozen(e,False)
 928             e.setStyleSheet("")
 929         for h in [self.payto_help, self.amount_help, self.message_help]:
 930             h.show()
 931
 932         self.set_pay_from([])
 933         self.update_status()
 934
 935     def set_frozen(self,entry,frozen):
 936         if frozen:
 937             entry.setReadOnly(True)
 938             entry.setFrame(False)
 939             palette = QPalette()
 940             palette.setColor(entry.backgroundRole(), QColor('lightgray'))
 941             entry.setPalette(palette)
 942         else:
 943             entry.setReadOnly(False)
 944             entry.setFrame(True)
 945             palette = QPalette()
 946             palette.setColor(entry.backgroundRole(), QColor('white'))
 947             entry.setPalette(palette)
 948
 949
 950     def set_addrs_frozen(self,addrs,freeze):
 951         for addr in addrs:
 952             if not addr: continue
 953             if addr in self.wallet.frozen_addresses and not freeze:
 954                 self.wallet.unfreeze(addr)
 955             elif addr not in self.wallet.frozen_addresses and freeze:
 956                 self.wallet.freeze(addr)
 957         self.update_receive_tab()
 958
 959
 960
 961     def create_list_tab(self, headers):
 962         "generic tab creation method"
 963         l = MyTreeWidget(self)
 964         l.setColumnCount( len(headers) )
 965         l.setHeaderLabels( headers )
 966
 967         w = QWidget()
 968         vbox = QVBoxLayout()
 969         w.setLayout(vbox)
 970
 971         vbox.setMargin(0)
 972         vbox.setSpacing(0)
 973         vbox.addWidget(l)
 974         buttons = QWidget()
 975         vbox.addWidget(buttons)
 976
 977         hbox = QHBoxLayout()
 978         hbox.setMargin(0)
 979         hbox.setSpacing(0)
 980         buttons.setLayout(hbox)
 981
 982         return l,w,hbox
 983
 984
 985     def create_receive_tab(self):
 986         l,w,hbox = self.create_list_tab([ _('Address'), _('Label'), _('Balance'), _('Tx')])
 987         l.setContextMenuPolicy(Qt.CustomContextMenu)
 988         l.customContextMenuRequested.connect(self.create_receive_menu)
 989         l.setSelectionMode(QAbstractItemView.ExtendedSelection)
 990         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
 991         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
 992         self.connect(l, SIGNAL('currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)'), lambda a,b: self.current_item_changed(a))
 993         self.receive_list = l
 994         self.receive_buttons_hbox = hbox
 995         hbox.addStretch(1)
 996         return w
 997
 998
 999
1000
1001     def save_column_widths(self):
1002         self.column_widths["receive"] = []
1003         for i in range(self.receive_list.columnCount() -1):
1004             self.column_widths["receive"].append(self.receive_list.columnWidth(i))
1005
1006         self.column_widths["history"] = []
1007         for i in range(self.history_list.columnCount() - 1):
1008             self.column_widths["history"].append(self.history_list.columnWidth(i))
1009
1010         self.column_widths["contacts"] = []
1011         for i in range(self.contacts_list.columnCount() - 1):
1012             self.column_widths["contacts"].append(self.contacts_list.columnWidth(i))
1013
1014         self.config.set_key("column_widths_2", self.column_widths, True)
1015
1016
1017     def create_contacts_tab(self):
1018         l,w,hbox = self.create_list_tab([_('Address'), _('Label'), _('Tx')])
1019         l.setContextMenuPolicy(Qt.CustomContextMenu)
1020         l.customContextMenuRequested.connect(self.create_contact_menu)
1021         for i,width in enumerate(self.column_widths['contacts']):
1022             l.setColumnWidth(i, width)
1023
1024         self.connect(l, SIGNAL('itemDoubleClicked(QTreeWidgetItem*, int)'), lambda a, b: self.address_label_clicked(a,b,l,0,1))
1025         self.connect(l, SIGNAL('itemChanged(QTreeWidgetItem*, int)'), lambda a,b: self.address_label_changed(a,b,l,0,1))
1026         self.contacts_list = l
1027         self.contacts_buttons_hbox = hbox
1028         hbox.addStretch(1)
1029         return w
1030
1031
1032     def delete_imported_key(self, addr):
1033         if self.question(_("Do you want to remove")+" %s "%addr +_("from your wallet?")):
1034             self.wallet.delete_imported_key(addr)
1035             self.update_receive_tab()
1036             self.update_history_tab()
1037
1038     def edit_account_label(self, k):
1039         text, ok = QInputDialog.getText(self, _('Rename account'), _('Name') + ':', text = self.wallet.labels.get(k,''))
1040         if ok:
1041             label = unicode(text)
1042             self.wallet.set_label(k,label)
1043             self.update_receive_tab()
1044
1045     def account_set_expanded(self, item, k, b):
1046         item.setExpanded(b)
1047         self.accounts_expanded[k] = b
1048
1049     def create_account_menu(self, position, k, item):
1050         menu = QMenu()
1051         if item.isExpanded():
1052             menu.addAction(_("Minimize"), lambda: self.account_set_expanded(item, k, False))
1053         else:
1054             menu.addAction(_("Maximize"), lambda: self.account_set_expanded(item, k, True))
1055         menu.addAction(_("Rename"), lambda: self.edit_account_label(k))
1056         if self.wallet.seed_version > 4:
1057             menu.addAction(_("View details"), lambda: self.show_account_details(k))
1058         if self.wallet.account_is_pending(k):
1059             menu.addAction(_("Delete"), lambda: self.delete_pending_account(k))
1060         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1061
1062     def delete_pending_account(self, k):
1063         self.wallet.delete_pending_account(k)
1064         self.update_receive_tab()
1065
1066     def create_receive_menu(self, position):
1067         # fixme: this function apparently has a side effect.
1068         # if it is not called the menu pops up several times
1069         #self.receive_list.selectedIndexes()
1070
1071         selected = self.receive_list.selectedItems()
1072         multi_select = len(selected) > 1
1073         addrs = [unicode(item.text(0)) for item in selected]
1074         if not multi_select:
1075             item = self.receive_list.itemAt(position)
1076             if not item: return
1077
1078             addr = addrs[0]
1079             if not is_valid(addr):
1080                 k = str(item.data(0,32).toString())
1081                 if k:
1082                     self.create_account_menu(position, k, item)
1083                 else:
1084                     item.setExpanded(not item.isExpanded())
1085                 return
1086
1087         menu = QMenu()
1088         if not multi_select:
1089             menu.addAction(_("Copy to clipboard"), lambda: self.app.clipboard().setText(addr))
1090             menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")) )
1091             menu.addAction(_("Edit label"), lambda: self.edit_label(True))
1092             menu.addAction(_("Public keys"), lambda: self.show_public_keys(addr))
1093             if not self.wallet.is_watching_only():
1094                 menu.addAction(_("Private key"), lambda: self.show_private_key(addr))
1095                 menu.addAction(_("Sign/verify message"), lambda: self.sign_verify_message(addr))
1096                 #menu.addAction(_("Encrypt/decrypt message"), lambda: self.encrypt_message(addr))
1097             if self.wallet.is_imported(addr):
1098                 menu.addAction(_("Remove from wallet"), lambda: self.delete_imported_key(addr))
1099
1100         if any(addr not in self.wallet.frozen_addresses for addr in addrs):
1101             menu.addAction(_("Freeze"), lambda: self.set_addrs_frozen(addrs, True))
1102         if any(addr in self.wallet.frozen_addresses for addr in addrs):
1103             menu.addAction(_("Unfreeze"), lambda: self.set_addrs_frozen(addrs, False))
1104
1105         if any(addr not in self.wallet.frozen_addresses for addr in addrs):
1106             menu.addAction(_("Send From"), lambda: self.send_from_addresses(addrs))
1107
1108         run_hook('receive_menu', menu, addrs)
1109         menu.exec_(self.receive_list.viewport().mapToGlobal(position))
1110
1111
1112     def get_sendable_balance(self):
1113         return sum(sum(self.wallet.get_addr_balance(a)) for a in self.get_payment_sources())
1114
1115
1116     def get_payment_sources(self):
1117         if self.pay_from:
1118             return self.pay_from
1119         else:
1120             return self.wallet.get_account_addresses(self.current_account)
1121
1122
1123     def send_from_addresses(self, addrs):
1124         self.set_pay_from( addrs )
1125         self.tabs.setCurrentIndex(1)
1126
1127
1128     def payto(self, addr):
1129         if not addr: return
1130         label = self.wallet.labels.get(addr)
1131         m_addr = label + '  <' + addr + '>' if label else addr
1132         self.tabs.setCurrentIndex(1)
1133         self.payto_e.setText(m_addr)
1134         self.amount_e.setFocus()
1135
1136
1137     def delete_contact(self, x):
1138         if self.question(_("Do you want to remove")+" %s "%x +_("from your list of contacts?")):
1139             self.wallet.delete_contact(x)
1140             self.wallet.set_label(x, None)
1141             self.update_history_tab()
1142             self.update_contacts_tab()
1143             self.update_completions()
1144
1145
1146     def create_contact_menu(self, position):
1147         item = self.contacts_list.itemAt(position)
1148         menu = QMenu()
1149         if not item:
1150             menu.addAction(_("New contact"), lambda: self.new_contact_dialog())
1151         else:
1152             addr = unicode(item.text(0))
1153             label = unicode(item.text(1))
1154             is_editable = item.data(0,32).toBool()
1155             payto_addr = item.data(0,33).toString()
1156             menu.addAction(_("Copy to Clipboard"), lambda: self.app.clipboard().setText(addr))
1157             menu.addAction(_("Pay to"), lambda: self.payto(payto_addr))
1158             menu.addAction(_("QR code"), lambda: self.show_qrcode("bitcoin:" + addr, _("Address")))
1159             if is_editable:
1160                 menu.addAction(_("Edit label"), lambda: self.edit_label(False))
1161                 menu.addAction(_("Delete"), lambda: self.delete_contact(addr))
1162
1163         run_hook('create_contact_menu', menu, item)
1164         menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
1165
1166
1167     def update_receive_item(self, item):
1168         item.setFont(0, QFont(MONOSPACE_FONT))
1169         address = str(item.data(0,0).toString())
1170         label = self.wallet.labels.get(address,'')
1171         item.setData(1,0,label)
1172         item.setData(0,32, True) # is editable
1173
1174         run_hook('update_receive_item', address, item)
1175
1176         if not self.wallet.is_mine(address): return
1177
1178         c, u = self.wallet.get_addr_balance(address)
1179         balance = self.format_amount(c + u)
1180         item.setData(2,0,balance)
1181
1182         if address in self.wallet.frozen_addresses:
1183             item.setBackgroundColor(0, QColor('lightblue'))
1184
1185
1186     def update_receive_tab(self):
1187         l = self.receive_list
1188         # extend the syntax for consistency
1189         l.addChild = l.addTopLevelItem
1190         l.insertChild = l.insertTopLevelItem
1191
1192         l.clear()
1193         for i,width in enumerate(self.column_widths['receive']):
1194             l.setColumnWidth(i, width)
1195
1196         accounts = self.wallet.get_accounts()
1197         if self.current_account is None:
1198             account_items = sorted(accounts.items())
1199         else:
1200             account_items = [(self.current_account, accounts.get(self.current_account))]
1201
1202
1203         for k, account in account_items:
1204
1205             if len(accounts) > 1:
1206                 name = self.wallet.get_account_name(k)
1207                 c,u = self.wallet.get_account_balance(k)
1208                 account_item = QTreeWidgetItem( [ name, '', self.format_amount(c+u), ''] )
1209                 l.addTopLevelItem(account_item)
1210                 account_item.setExpanded(self.accounts_expanded.get(k, True))
1211                 account_item.setData(0, 32, k)
1212             else:
1213                 account_item = l
1214
1215             sequences = [0,1] if account.has_change() else [0]
1216             for is_change in sequences:
1217                 if len(sequences) > 1:
1218                     name = _("Receiving") if not is_change else _("Change")
1219                     seq_item = QTreeWidgetItem( [ name, '', '', '', ''] )
1220                     account_item.addChild(seq_item)
1221                     if not is_change:
1222                         seq_item.setExpanded(True)
1223                 else:
1224                     seq_item = account_item
1225
1226                 used_item = QTreeWidgetItem( [ _("Used"), '', '', '', ''] )
1227                 used_flag = False
1228
1229                 is_red = False
1230                 gap = 0
1231
1232                 for address in account.get_addresses(is_change):
1233
1234                     num, is_used = self.wallet.is_used(address)
1235                     if num == 0:
1236                         gap += 1
1237                         if gap > self.wallet.gap_limit:
1238                             is_red = True
1239                     else:
1240                         gap = 0
1241
1242                     item = QTreeWidgetItem( [ address, '', '', "%d"%num] )
1243                     self.update_receive_item(item)
1244                     if is_red:
1245                         item.setBackgroundColor(1, QColor('red'))
1246
1247                     if is_used:
1248                         if not used_flag:
1249                             seq_item.insertChild(0,used_item)
1250                             used_flag = True
1251                         used_item.addChild(item)
1252                     else:
1253                         seq_item.addChild(item)
1254
1255         # we use column 1 because column 0 may be hidden
1256         l.setCurrentItem(l.topLevelItem(0),1)
1257
1258
1259     def update_contacts_tab(self):
1260         l = self.contacts_list
1261         l.clear()
1262
1263         for address in self.wallet.addressbook:
1264             label = self.wallet.labels.get(address,'')
1265             n = self.wallet.get_num_tx(address)
1266             item = QTreeWidgetItem( [ address, label, "%d"%n] )
1267             item.setFont(0, QFont(MONOSPACE_FONT))
1268             # 32 = label can be edited (bool)
1269             item.setData(0,32, True)
1270             # 33 = payto string
1271             item.setData(0,33, address)
1272             l.addTopLevelItem(item)
1273
1274         run_hook('update_contacts_tab', l)
1275         l.setCurrentItem(l.topLevelItem(0))
1276
1277
1278
1279     def create_console_tab(self):
1280         from console import Console
1281         self.console = console = Console()
1282         return console
1283
1284
1285     def update_console(self):
1286         console = self.console
1287         console.history = self.config.get("console-history",[])
1288         console.history_index = len(console.history)
1289
1290         console.updateNamespace({'wallet' : self.wallet, 'network' : self.network, 'gui':self})
1291         console.updateNamespace({'util' : util, 'bitcoin':bitcoin})
1292
1293         c = commands.Commands(self.wallet, self.network, lambda: self.console.set_json(True))
1294         methods = {}
1295         def mkfunc(f, method):
1296             return lambda *args: apply( f, (method, args, self.password_dialog ))
1297         for m in dir(c):
1298             if m[0]=='_' or m in ['network','wallet']: continue
1299             methods[m] = mkfunc(c._run, m)
1300
1301         console.updateNamespace(methods)
1302
1303
1304     def change_account(self,s):
1305         if s == _("All accounts"):
1306             self.current_account = None
1307         else:
1308             accounts = self.wallet.get_account_names()
1309             for k, v in accounts.items():
1310                 if v == s:
1311                     self.current_account = k
1312         self.update_history_tab()
1313         self.update_status()
1314         self.update_receive_tab()
1315
1316     def create_status_bar(self):
1317
1318         sb = QStatusBar()
1319         sb.setFixedHeight(35)
1320         qtVersion = qVersion()
1321
1322         self.balance_label = QLabel("")
1323         sb.addWidget(self.balance_label)
1324
1325         from version_getter import UpdateLabel
1326         self.updatelabel = UpdateLabel(self.config, sb)
1327
1328         self.account_selector = QComboBox()
1329         self.account_selector.setSizeAdjustPolicy(QComboBox.AdjustToContents)
1330         self.connect(self.account_selector,SIGNAL("activated(QString)"),self.change_account)
1331         sb.addPermanentWidget(self.account_selector)
1332
1333         if (int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
1334             sb.addPermanentWidget( StatusBarButton( QIcon(":icons/switchgui.png"), _("Switch to Lite Mode"), self.go_lite ) )
1335
1336         self.lock_icon = QIcon()
1337         self.password_button = StatusBarButton( self.lock_icon, _("Password"), self.change_password_dialog )
1338         sb.addPermanentWidget( self.password_button )
1339
1340         sb.addPermanentWidget( StatusBarButton( QIcon(":icons/preferences.png"), _("Preferences"), self.settings_dialog ) )
1341         self.seed_button = StatusBarButton( QIcon(":icons/seed.png"), _("Seed"), self.show_seed_dialog )
1342         sb.addPermanentWidget( self.seed_button )
1343         self.status_button = StatusBarButton( QIcon(":icons/status_disconnected.png"), _("Network"), self.run_network_dialog )
1344         sb.addPermanentWidget( self.status_button )
1345
1346         run_hook('create_status_bar', (sb,))
1347
1348         self.setStatusBar(sb)
1349
1350
1351     def update_lock_icon(self):
1352         icon = QIcon(":icons/lock.png") if self.wallet.use_encryption else QIcon(":icons/unlock.png")
1353         self.password_button.setIcon( icon )
1354
1355
1356     def update_buttons_on_seed(self):
1357         if self.wallet.has_seed():
1358            self.seed_button.show()
1359         else:
1360            self.seed_button.hide()
1361
1362         if not self.wallet.is_watching_only():
1363            self.password_button.show()
1364            self.send_button.setText(_("Send"))
1365         else:
1366            self.password_button.hide()
1367            self.send_button.setText(_("Create unsigned transaction"))
1368
1369
1370     def change_password_dialog(self):
1371         from password_dialog import PasswordDialog
1372         d = PasswordDialog(self.wallet, self)
1373         d.run()
1374         self.update_lock_icon()
1375
1376
1377     def new_contact_dialog(self):
1378
1379         d = QDialog(self)
1380         d.setWindowTitle(_("New Contact"))
1381         vbox = QVBoxLayout(d)
1382         vbox.addWidget(QLabel(_('New Contact')+':'))
1383
1384         grid = QGridLayout()
1385         line1 = QLineEdit()
1386         line2 = QLineEdit()
1387         grid.addWidget(QLabel(_("Address")), 1, 0)
1388         grid.addWidget(line1, 1, 1)
1389         grid.addWidget(QLabel(_("Name")), 2, 0)
1390         grid.addWidget(line2, 2, 1)
1391
1392         vbox.addLayout(grid)
1393         vbox.addLayout(ok_cancel_buttons(d))
1394
1395         if not d.exec_():
1396             return
1397
1398         address = str(line1.text())
1399         label = unicode(line2.text())
1400
1401         if not is_valid(address):
1402             QMessageBox.warning(self, _('Error'), _('Invalid Address'), _('OK'))
1403             return
1404
1405         self.wallet.add_contact(address)
1406         if label:
1407             self.wallet.set_label(address, label)
1408
1409         self.update_contacts_tab()
1410         self.update_history_tab()
1411         self.update_completions()
1412         self.tabs.setCurrentIndex(3)
1413
1414
1415     @protected
1416     def new_account_dialog(self, password):
1417
1418         dialog = QDialog(self)
1419         dialog.setModal(1)
1420         dialog.setWindowTitle(_("New Account"))
1421
1422         vbox = QVBoxLayout()
1423         vbox.addWidget(QLabel(_('Account name')+':'))
1424         e = QLineEdit()
1425         vbox.addWidget(e)
1426         msg = _("Note: Newly created accounts are 'pending' until they receive bitcoins.") + " " \
1427             + _("You will need to wait for 2 confirmations until the correct balance is displayed and more addresses are created for that account.")
1428         l = QLabel(msg)
1429         l.setWordWrap(True)
1430         vbox.addWidget(l)
1431
1432         vbox.addLayout(ok_cancel_buttons(dialog))
1433         dialog.setLayout(vbox)
1434         r = dialog.exec_()
1435         if not r: return
1436
1437         name = str(e.text())
1438         if not name: return
1439
1440         self.wallet.create_pending_account(name, password)
1441         self.update_receive_tab()
1442         self.tabs.setCurrentIndex(2)
1443
1444
1445
1446
1447     def show_master_public_keys(self):
1448
1449         dialog = QDialog(self)
1450         dialog.setModal(1)
1451         dialog.setWindowTitle(_("Master Public Keys"))
1452
1453         main_layout = QGridLayout()
1454         mpk_dict = self.wallet.get_master_public_keys()
1455         i = 0
1456         for key, value in mpk_dict.items():
1457             main_layout.addWidget(QLabel(key), i, 0)
1458             mpk_text = QTextEdit()
1459             mpk_text.setReadOnly(True)
1460             mpk_text.setMaximumHeight(170)
1461             mpk_text.setText(value)
1462             main_layout.addWidget(mpk_text, i + 1, 0)
1463             i += 2
1464
1465         vbox = QVBoxLayout()
1466         vbox.addLayout(main_layout)
1467         vbox.addLayout(close_button(dialog))
1468
1469         dialog.setLayout(vbox)
1470         dialog.exec_()
1471
1472
1473     @protected
1474     def show_seed_dialog(self, password):
1475         if not self.wallet.has_seed():
1476             QMessageBox.information(self, _('Message'), _('This wallet has no seed'), _('OK'))
1477             return
1478
1479         try:
1480             mnemonic = self.wallet.get_mnemonic(password)
1481         except Exception:
1482             QMessageBox.warning(self, _('Error'), _('Incorrect Password'), _('OK'))
1483             return
1484         from seed_dialog import SeedDialog
1485         d = SeedDialog(self, mnemonic, self.wallet.imported_keys)
1486         d.exec_()
1487
1488
1489
1490     def show_qrcode(self, data, title = _("QR code")):
1491         if not data: return
1492         d = QDialog(self)
1493         d.setModal(1)
1494         d.setWindowTitle(title)
1495         d.setMinimumSize(270, 300)
1496         vbox = QVBoxLayout()
1497         qrw = QRCodeWidget(data)
1498         vbox.addWidget(qrw, 1)
1499         vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
1500         hbox = QHBoxLayout()
1501         hbox.addStretch(1)
1502
1503         filename = os.path.join(self.config.path, "qrcode.bmp")
1504
1505         def print_qr():
1506             bmp.save_qrcode(qrw.qr, filename)
1507             QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
1508
1509         def copy_to_clipboard():
1510             bmp.save_qrcode(qrw.qr, filename)
1511             self.app.clipboard().setImage(QImage(filename))
1512             QMessageBox.information(None, _('Message'), _("QR code saved to clipboard"), _('OK'))
1513
1514         b = QPushButton(_("Copy"))
1515         hbox.addWidget(b)
1516         b.clicked.connect(copy_to_clipboard)
1517
1518         b = QPushButton(_("Save"))
1519         hbox.addWidget(b)
1520         b.clicked.connect(print_qr)
1521
1522         b = QPushButton(_("Close"))
1523         hbox.addWidget(b)
1524         b.clicked.connect(d.accept)
1525         b.setDefault(True)
1526
1527         vbox.addLayout(hbox)
1528         d.setLayout(vbox)
1529         d.exec_()
1530
1531
1532     def do_protect(self, func, args):
1533         if self.wallet.use_encryption:
1534             password = self.password_dialog()
1535             if not password:
1536                 return
1537         else:
1538             password = None
1539
1540         if args != (False,):
1541             args = (self,) + args + (password,)
1542         else:
1543             args = (self,password)
1544         apply( func, args)
1545
1546
1547     def show_public_keys(self, address):
1548         if not address: return
1549         try:
1550             pubkey_list = self.wallet.get_public_keys(address)
1551         except Exception as e:
1552             traceback.print_exc(file=sys.stdout)
1553             self.show_message(str(e))
1554             return
1555
1556         d = QDialog(self)
1557         d.setMinimumSize(600, 200)
1558         d.setModal(1)
1559         vbox = QVBoxLayout()
1560         vbox.addWidget( QLabel(_("Address") + ': ' + address))
1561         vbox.addWidget( QLabel(_("Public key") + ':'))
1562         keys = QTextEdit()
1563         keys.setReadOnly(True)
1564         keys.setText('\n'.join(pubkey_list))
1565         vbox.addWidget(keys)
1566         #vbox.addWidget( QRCodeWidget('\n'.join(pk_list)) )
1567         vbox.addLayout(close_button(d))
1568         d.setLayout(vbox)
1569         d.exec_()
1570
1571     @protected
1572     def show_private_key(self, address, password):
1573         if not address: return
1574         try:
1575             pk_list = self.wallet.get_private_key(address, password)
1576         except Exception as e:
1577             traceback.print_exc(file=sys.stdout)
1578             self.show_message(str(e))
1579             return
1580
1581         d = QDialog(self)
1582         d.setMinimumSize(600, 200)
1583         d.setModal(1)
1584         vbox = QVBoxLayout()
1585         vbox.addWidget( QLabel(_("Address") + ': ' + address))
1586         vbox.addWidget( QLabel(_("Private key") + ':'))
1587         keys = QTextEdit()
1588         keys.setReadOnly(True)
1589         keys.setText('\n'.join(pk_list))
1590         vbox.addWidget(keys)
1591         vbox.addWidget( QRCodeWidget('\n'.join(pk_list)) )
1592         vbox.addLayout(close_button(d))
1593         d.setLayout(vbox)
1594         d.exec_()
1595
1596
1597     @protected
1598     def do_sign(self, address, message, signature, password):
1599         message = unicode(message.toPlainText())
1600         message = message.encode('utf-8')
1601         try:
1602             sig = self.wallet.sign_message(str(address.text()), message, password)
1603             signature.setText(sig)
1604         except Exception as e:
1605             self.show_message(str(e))
1606
1607     def do_verify(self, address, message, signature):
1608         message = unicode(message.toPlainText())
1609         message = message.encode('utf-8')
1610         if bitcoin.verify_message(address.text(), str(signature.toPlainText()), message):
1611             self.show_message(_("Signature verified"))
1612         else:
1613             self.show_message(_("Error: wrong signature"))
1614
1615
1616     def sign_verify_message(self, address=''):
1617         d = QDialog(self)
1618         d.setModal(1)
1619         d.setWindowTitle(_('Sign/verify Message'))
1620         d.setMinimumSize(410, 290)
1621
1622         layout = QGridLayout(d)
1623
1624         message_e = QTextEdit()
1625         layout.addWidget(QLabel(_('Message')), 1, 0)
1626         layout.addWidget(message_e, 1, 1)
1627         layout.setRowStretch(2,3)
1628
1629         address_e = QLineEdit()
1630         address_e.setText(address)
1631         layout.addWidget(QLabel(_('Address')), 2, 0)
1632         layout.addWidget(address_e, 2, 1)
1633
1634         signature_e = QTextEdit()
1635         layout.addWidget(QLabel(_('Signature')), 3, 0)
1636         layout.addWidget(signature_e, 3, 1)
1637         layout.setRowStretch(3,1)
1638
1639         hbox = QHBoxLayout()
1640
1641         b = QPushButton(_("Sign"))
1642         b.clicked.connect(lambda: self.do_sign(address_e, message_e, signature_e))
1643         hbox.addWidget(b)
1644
1645         b = QPushButton(_("Verify"))
1646         b.clicked.connect(lambda: self.do_verify(address_e, message_e, signature_e))
1647         hbox.addWidget(b)
1648
1649         b = QPushButton(_("Close"))
1650         b.clicked.connect(d.accept)
1651         hbox.addWidget(b)
1652         layout.addLayout(hbox, 4, 1)
1653         d.exec_()
1654
1655
1656     @protected
1657     def do_decrypt(self, message_e, pubkey_e, encrypted_e, password):
1658         try:
1659             decrypted = self.wallet.decrypt_message(str(pubkey_e.text()), str(encrypted_e.toPlainText()), password)
1660             message_e.setText(decrypted)
1661         except Exception as e:
1662             self.show_message(str(e))
1663
1664
1665     def do_encrypt(self, message_e, pubkey_e, encrypted_e):
1666         message = unicode(message_e.toPlainText())
1667         message = message.encode('utf-8')
1668         try:
1669             encrypted = bitcoin.encrypt_message(message, str(pubkey_e.text()))
1670             encrypted_e.setText(encrypted)
1671         except Exception as e:
1672             self.show_message(str(e))
1673
1674
1675
1676     def encrypt_message(self, address = ''):
1677         d = QDialog(self)
1678         d.setModal(1)
1679         d.setWindowTitle(_('Encrypt/decrypt Message'))
1680         d.setMinimumSize(610, 490)
1681
1682         layout = QGridLayout(d)
1683
1684         message_e = QTextEdit()
1685         layout.addWidget(QLabel(_('Message')), 1, 0)
1686         layout.addWidget(message_e, 1, 1)
1687         layout.setRowStretch(2,3)
1688
1689         pubkey_e = QLineEdit()
1690         if address:
1691             pubkey = self.wallet.getpubkeys(address)[0]
1692             pubkey_e.setText(pubkey)
1693         layout.addWidget(QLabel(_('Public key')), 2, 0)
1694         layout.addWidget(pubkey_e, 2, 1)
1695
1696         encrypted_e = QTextEdit()
1697         layout.addWidget(QLabel(_('Encrypted')), 3, 0)
1698         layout.addWidget(encrypted_e, 3, 1)
1699         layout.setRowStretch(3,1)
1700
1701         hbox = QHBoxLayout()
1702         b = QPushButton(_("Encrypt"))
1703         b.clicked.connect(lambda: self.do_encrypt(message_e, pubkey_e, encrypted_e))
1704         hbox.addWidget(b)
1705
1706         b = QPushButton(_("Decrypt"))
1707         b.clicked.connect(lambda: self.do_decrypt(message_e, pubkey_e, encrypted_e))
1708         hbox.addWidget(b)
1709
1710         b = QPushButton(_("Close"))
1711         b.clicked.connect(d.accept)
1712         hbox.addWidget(b)
1713
1714         layout.addLayout(hbox, 4, 1)
1715         d.exec_()
1716
1717
1718     def question(self, msg):
1719         return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
1720
1721     def show_message(self, msg):
1722         QMessageBox.information(self, _('Message'), msg, _('OK'))
1723
1724     def password_dialog(self ):
1725         d = QDialog(self)
1726         d.setModal(1)
1727         d.setWindowTitle(_("Enter Password"))
1728
1729         pw = QLineEdit()
1730         pw.setEchoMode(2)
1731
1732         vbox = QVBoxLayout()
1733         msg = _('Please enter your password')
1734         vbox.addWidget(QLabel(msg))
1735
1736         grid = QGridLayout()
1737         grid.setSpacing(8)
1738         grid.addWidget(QLabel(_('Password')), 1, 0)
1739         grid.addWidget(pw, 1, 1)
1740         vbox.addLayout(grid)
1741
1742         vbox.addLayout(ok_cancel_buttons(d))
1743         d.setLayout(vbox)
1744
1745         run_hook('password_dialog', pw, grid, 1)
1746         if not d.exec_(): return
1747         return unicode(pw.text())
1748
1749
1750
1751
1752
1753
1754
1755
1756     def tx_from_text(self, txt):
1757         "json or raw hexadecimal"
1758         try:
1759             txt.decode('hex')
1760             tx = Transaction(txt)
1761             return tx
1762         except Exception:
1763             pass
1764
1765         try:
1766             tx_dict = json.loads(str(txt))
1767             assert "hex" in tx_dict.keys()
1768             assert "complete" in tx_dict.keys()
1769             tx = Transaction(tx_dict["hex"], tx_dict["complete"])
1770             if not tx_dict["complete"]:
1771                 assert "input_info" in tx_dict.keys()
1772                 input_info = json.loads(tx_dict['input_info'])
1773                 tx.add_input_info(input_info)
1774             return tx
1775         except Exception:
1776             pass
1777
1778         QMessageBox.critical(None, _("Unable to parse transaction"), _("Electrum was unable to parse your transaction"))
1779
1780
1781
1782     def read_tx_from_file(self):
1783         fileName = self.getOpenFileName(_("Select your transaction file"), "*.txn")
1784         if not fileName:
1785             return
1786         try:
1787             with open(fileName, "r") as f:
1788                 file_content = f.read()
1789         except (ValueError, IOError, os.error), reason:
1790             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1791
1792         return self.tx_from_text(file_content)
1793
1794
1795     @protected
1796     def sign_raw_transaction(self, tx, input_info, password):
1797         self.wallet.signrawtransaction(tx, input_info, [], password)
1798
1799     def do_process_from_text(self):
1800         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
1801         if not text:
1802             return
1803         tx = self.tx_from_text(text)
1804         if tx:
1805             self.show_transaction(tx)
1806
1807     def do_process_from_file(self):
1808         tx = self.read_tx_from_file()
1809         if tx:
1810             self.show_transaction(tx)
1811
1812     def do_process_from_txid(self):
1813         from electrum import transaction
1814         txid, ok = QInputDialog.getText(self, _('Lookup transaction'), _('Transaction ID') + ':')
1815         if ok and txid:
1816             r = self.network.synchronous_get([ ('blockchain.transaction.get',[str(txid)]) ])[0]
1817             if r:
1818                 tx = transaction.Transaction(r)
1819                 if tx:
1820                     self.show_transaction(tx)
1821                 else:
1822                     self.show_message("unknown transaction")
1823
1824     def do_process_from_csvReader(self, csvReader):
1825         outputs = []
1826         errors = []
1827         errtext = ""
1828         try:
1829             for position, row in enumerate(csvReader):
1830                 address = row[0]
1831                 if not is_valid(address):
1832                     errors.append((position, address))
1833                     continue
1834                 amount = Decimal(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         if errors != []:
1841             for x in errors:
1842                 errtext += "CSV Row " + str(x[0]+1) + ": " + x[1] + "\n"
1843             QMessageBox.critical(None, _("Invalid Addresses"), _("ABORTING! Invalid Addresses found:") + "\n\n" + errtext)
1844             return
1845
1846         try:
1847             tx = self.wallet.make_unsigned_transaction(outputs, None, None)
1848         except Exception as e:
1849             self.show_message(str(e))
1850             return
1851
1852         self.show_transaction(tx)
1853
1854     def do_process_from_csv_file(self):
1855         fileName = self.getOpenFileName(_("Select your transaction CSV"), "*.csv")
1856         if not fileName:
1857             return
1858         try:
1859             with open(fileName, "r") as f:
1860                 csvReader = csv.reader(f)
1861                 self.do_process_from_csvReader(csvReader)
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             return
1865
1866     def do_process_from_csv_text(self):
1867         text = text_dialog(self, _('Input CSV'), _("Please enter a list of outputs.") + '\n' \
1868                                + _("Format: address, amount. One output per line"), _("Load CSV"))
1869         if not text:
1870             return
1871         f = StringIO.StringIO(text)
1872         csvReader = csv.reader(f)
1873         self.do_process_from_csvReader(csvReader)
1874
1875
1876
1877     @protected
1878     def export_privkeys_dialog(self, password):
1879         if self.wallet.is_watching_only():
1880             self.show_message(_("This is a watching-only wallet"))
1881             return
1882
1883         d = QDialog(self)
1884         d.setWindowTitle(_('Private keys'))
1885         d.setMinimumSize(850, 300)
1886         vbox = QVBoxLayout(d)
1887
1888         msg = "%s\n%s\n%s" % (_("WARNING: ALL your private keys are secret."),
1889                               _("Exposing a single private key can compromise your entire wallet!"),
1890                               _("In particular, DO NOT use 'redeem private key' services proposed by third parties."))
1891         vbox.addWidget(QLabel(msg))
1892
1893         e = QTextEdit()
1894         e.setReadOnly(True)
1895         vbox.addWidget(e)
1896
1897         defaultname = 'electrum-private-keys.csv'
1898         select_msg = _('Select file to export your private keys to')
1899         hbox, filename_e, csv_button = filename_field(self, self.config, defaultname, select_msg)
1900         vbox.addLayout(hbox)
1901
1902         h, b = ok_cancel_buttons2(d, _('Export'))
1903         b.setEnabled(False)
1904         vbox.addLayout(h)
1905
1906         private_keys = {}
1907         addresses = self.wallet.addresses(True)
1908         done = False
1909         def privkeys_thread():
1910             for addr in addresses:
1911                 time.sleep(0.1)
1912                 if done:
1913                     break
1914                 private_keys[addr] = "\n".join(self.wallet.get_private_key(addr, password))
1915                 d.emit(SIGNAL('computing_privkeys'))
1916             d.emit(SIGNAL('show_privkeys'))
1917
1918         def show_privkeys():
1919             s = "\n".join( map( lambda x: x[0] + "\t"+ x[1], private_keys.items()))
1920             e.setText(s)
1921             b.setEnabled(True)
1922
1923         d.connect(d, QtCore.SIGNAL('computing_privkeys'), lambda: e.setText("Please wait... %d/%d"%(len(private_keys),len(addresses))))
1924         d.connect(d, QtCore.SIGNAL('show_privkeys'), show_privkeys)
1925         threading.Thread(target=privkeys_thread).start()
1926
1927         if not d.exec_():
1928             done = True
1929             return
1930
1931         filename = filename_e.text()
1932         if not filename:
1933             return
1934
1935         try:
1936             self.do_export_privkeys(filename, private_keys, csv_button.isChecked())
1937         except (IOError, os.error), reason:
1938             export_error_label = _("Electrum was unable to produce a private key-export.")
1939             QMessageBox.critical(None, _("Unable to create csv"), export_error_label + "\n" + str(reason))
1940
1941         except Exception as e:
1942             self.show_message(str(e))
1943             return
1944
1945         self.show_message(_("Private keys exported."))
1946
1947
1948     def do_export_privkeys(self, fileName, pklist, is_csv):
1949         with open(fileName, "w+") as f:
1950             if is_csv:
1951                 transaction = csv.writer(f)
1952                 transaction.writerow(["address", "private_key"])
1953                 for addr, pk in pklist.items():
1954                     transaction.writerow(["%34s"%addr,pk])
1955             else:
1956                 import json
1957                 f.write(json.dumps(pklist, indent = 4))
1958
1959
1960     def do_import_labels(self):
1961         labelsFile = self.getOpenFileName(_("Open labels file"), "*.dat")
1962         if not labelsFile: return
1963         try:
1964             f = open(labelsFile, 'r')
1965             data = f.read()
1966             f.close()
1967             for key, value in json.loads(data).items():
1968                 self.wallet.set_label(key, value)
1969             QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
1970         except (IOError, os.error), reason:
1971             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
1972
1973
1974     def do_export_labels(self):
1975         labels = self.wallet.labels
1976         try:
1977             fileName = self.getSaveFileName(_("Select file to save your labels"), 'electrum_labels.dat', "*.dat")
1978             if fileName:
1979                 with open(fileName, 'w+') as f:
1980                     json.dump(labels, f)
1981                 QMessageBox.information(None, _("Labels exported"), _("Your labels where exported to")+" '%s'" % str(fileName))
1982         except (IOError, os.error), reason:
1983             QMessageBox.critical(None, _("Unable to export labels"), _("Electrum was unable to export your labels.")+"\n" + str(reason))
1984
1985
1986     def export_history_dialog(self):
1987
1988         d = QDialog(self)
1989         d.setWindowTitle(_('Export History'))
1990         d.setMinimumSize(400, 200)
1991         vbox = QVBoxLayout(d)
1992
1993         defaultname = os.path.expanduser('~/electrum-history.csv')
1994         select_msg = _('Select file to export your wallet transactions to')
1995
1996         hbox, filename_e, csv_button = filename_field(self, self.config, defaultname, select_msg)
1997         vbox.addLayout(hbox)
1998
1999         vbox.addStretch(1)
2000
2001         h, b = ok_cancel_buttons2(d, _('Export'))
2002         vbox.addLayout(h)
2003         if not d.exec_():
2004             return
2005
2006         filename = filename_e.text()
2007         if not filename:
2008             return
2009
2010         try:
2011             self.do_export_history(self.wallet, filename, csv_button.isChecked())
2012         except (IOError, os.error), reason:
2013             export_error_label = _("Electrum was unable to produce a transaction export.")
2014             QMessageBox.critical(self, _("Unable to export history"), export_error_label + "\n" + str(reason))
2015             return
2016
2017         QMessageBox.information(self,_("History exported"), _("Your wallet history has been successfully exported."))
2018
2019
2020     def do_export_history(self, wallet, fileName, is_csv):
2021         history = wallet.get_tx_history()
2022         lines = []
2023         for item in history:
2024             tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item
2025             if confirmations:
2026                 if timestamp is not None:
2027                     try:
2028                         time_string = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
2029                     except [RuntimeError, TypeError, NameError] as reason:
2030                         time_string = "unknown"
2031                         pass
2032                 else:
2033                     time_string = "unknown"
2034             else:
2035                 time_string = "pending"
2036
2037             if value is not None:
2038                 value_string = format_satoshis(value, True)
2039             else:
2040                 value_string = '--'
2041
2042             if fee is not None:
2043                 fee_string = format_satoshis(fee, True)
2044             else:
2045                 fee_string = '0'
2046
2047             if tx_hash:
2048                 label, is_default_label = wallet.get_label(tx_hash)
2049                 label = label.encode('utf-8')
2050             else:
2051                 label = ""
2052
2053             balance_string = format_satoshis(balance, False)
2054             if is_csv:
2055                 lines.append([tx_hash, label, confirmations, value_string, fee_string, balance_string, time_string])
2056             else:
2057                 lines.append({'txid':tx_hash, 'date':"%16s"%time_string, 'label':label, 'value':value_string})
2058
2059         with open(fileName, "w+") as f:
2060             if is_csv:
2061                 transaction = csv.writer(f)
2062                 transaction.writerow(["transaction_hash","label", "confirmations", "value", "fee", "balance", "timestamp"])
2063                 for line in lines:
2064                     transaction.writerow(line)
2065             else:
2066                 import json
2067                 f.write(json.dumps(lines, indent = 4))
2068
2069
2070     def sweep_key_dialog(self):
2071         d = QDialog(self)
2072         d.setWindowTitle(_('Sweep private keys'))
2073         d.setMinimumSize(600, 300)
2074
2075         vbox = QVBoxLayout(d)
2076         vbox.addWidget(QLabel(_("Enter private keys")))
2077
2078         keys_e = QTextEdit()
2079         keys_e.setTabChangesFocus(True)
2080         vbox.addWidget(keys_e)
2081
2082         h, address_e = address_field(self.wallet.addresses())
2083         vbox.addLayout(h)
2084
2085         vbox.addStretch(1)
2086         hbox, button = ok_cancel_buttons2(d, _('Sweep'))
2087         vbox.addLayout(hbox)
2088         button.setEnabled(False)
2089
2090         def get_address():
2091             addr = str(address_e.text())
2092             if bitcoin.is_address(addr):
2093                 return addr
2094
2095         def get_pk():
2096             pk = str(keys_e.toPlainText()).strip()
2097             if Wallet.is_private_key(pk):
2098                 return pk.split()
2099
2100         f = lambda: button.setEnabled(get_address() is not None and get_pk() is not None)
2101         keys_e.textChanged.connect(f)
2102         address_e.textChanged.connect(f)
2103         if not d.exec_():
2104             return
2105
2106         fee = self.wallet.fee
2107         tx = Transaction.sweep(get_pk(), self.network, get_address(), fee)
2108         self.show_transaction(tx)
2109
2110
2111     @protected
2112     def do_import_privkey(self, password):
2113         if not self.wallet.imported_keys:
2114             r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
2115                                          + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
2116                                          + _('Are you sure you understand what you are doing?'), 3, 4)
2117             if r == 4: return
2118
2119         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
2120         if not text: return
2121
2122         text = str(text).split()
2123         badkeys = []
2124         addrlist = []
2125         for key in text:
2126             try:
2127                 addr = self.wallet.import_key(key, password)
2128             except Exception as e:
2129                 badkeys.append(key)
2130                 continue
2131             if not addr:
2132                 badkeys.append(key)
2133             else:
2134                 addrlist.append(addr)
2135         if addrlist:
2136             QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
2137         if badkeys:
2138             QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
2139         self.update_receive_tab()
2140         self.update_history_tab()
2141
2142
2143     def settings_dialog(self):
2144         d = QDialog(self)
2145         d.setWindowTitle(_('Electrum Settings'))
2146         d.setModal(1)
2147         vbox = QVBoxLayout()
2148         grid = QGridLayout()
2149         grid.setColumnStretch(0,1)
2150
2151         nz_label = QLabel(_('Display zeros') + ':')
2152         grid.addWidget(nz_label, 0, 0)
2153         nz_e = AmountEdit(None,True)
2154         nz_e.setText("%d"% self.num_zeros)
2155         grid.addWidget(nz_e, 0, 1)
2156         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
2157         grid.addWidget(HelpButton(msg), 0, 2)
2158         if not self.config.is_modifiable('num_zeros'):
2159             for w in [nz_e, nz_label]: w.setEnabled(False)
2160
2161         lang_label=QLabel(_('Language') + ':')
2162         grid.addWidget(lang_label, 1, 0)
2163         lang_combo = QComboBox()
2164         from electrum.i18n import languages
2165         lang_combo.addItems(languages.values())
2166         try:
2167             index = languages.keys().index(self.config.get("language",''))
2168         except Exception:
2169             index = 0
2170         lang_combo.setCurrentIndex(index)
2171         grid.addWidget(lang_combo, 1, 1)
2172         grid.addWidget(HelpButton(_('Select which language is used in the GUI (after restart).')+' '), 1, 2)
2173         if not self.config.is_modifiable('language'):
2174             for w in [lang_combo, lang_label]: w.setEnabled(False)
2175
2176
2177         fee_label = QLabel(_('Transaction fee') + ':')
2178         grid.addWidget(fee_label, 2, 0)
2179         fee_e = AmountEdit(self.base_unit)
2180         fee_e.setText(self.format_amount(self.wallet.fee).strip())
2181         grid.addWidget(fee_e, 2, 1)
2182         msg = _('Fee per kilobyte of transaction.') + ' ' \
2183             + _('Recommended value') + ': ' + self.format_amount(20000)
2184         grid.addWidget(HelpButton(msg), 2, 2)
2185         if not self.config.is_modifiable('fee_per_kb'):
2186             for w in [fee_e, fee_label]: w.setEnabled(False)
2187
2188         units = ['BTC', 'mBTC']
2189         unit_label = QLabel(_('Base unit') + ':')
2190         grid.addWidget(unit_label, 3, 0)
2191         unit_combo = QComboBox()
2192         unit_combo.addItems(units)
2193         unit_combo.setCurrentIndex(units.index(self.base_unit()))
2194         grid.addWidget(unit_combo, 3, 1)
2195         grid.addWidget(HelpButton(_('Base unit of your wallet.')\
2196                                              + '\n1BTC=1000mBTC.\n' \
2197                                              + _(' These settings affects the fields in the Send tab')+' '), 3, 2)
2198
2199         usechange_cb = QCheckBox(_('Use change addresses'))
2200         usechange_cb.setChecked(self.wallet.use_change)
2201         grid.addWidget(usechange_cb, 4, 0)
2202         grid.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions.')+' '), 4, 2)
2203         if not self.config.is_modifiable('use_change'): usechange_cb.setEnabled(False)
2204
2205         block_explorers = ['Blockchain.info', 'Blockr.io', 'Insight.is']
2206         block_ex_label = QLabel(_('Online Block Explorer') + ':')
2207         grid.addWidget(block_ex_label, 5, 0)
2208         block_ex_combo = QComboBox()
2209         block_ex_combo.addItems(block_explorers)
2210         block_ex_combo.setCurrentIndex(block_explorers.index(self.config.get('block_explorer', 'Blockchain.info')))
2211         grid.addWidget(block_ex_combo, 5, 1)
2212         grid.addWidget(HelpButton(_('Choose which online block explorer to use for functions that open a web browser')+' '), 5, 2)
2213
2214         show_tx = self.config.get('show_before_broadcast', False)
2215         showtx_cb = QCheckBox(_('Show before broadcast'))
2216         showtx_cb.setChecked(show_tx)
2217         grid.addWidget(showtx_cb, 6, 0)
2218         grid.addWidget(HelpButton(_('Display the details of your transactions before broadcasting it.')), 6, 2)
2219
2220         vbox.addLayout(grid)
2221         vbox.addStretch(1)
2222         vbox.addLayout(ok_cancel_buttons(d))
2223         d.setLayout(vbox)
2224
2225         # run the dialog
2226         if not d.exec_(): return
2227
2228         fee = unicode(fee_e.text())
2229         try:
2230             fee = self.read_amount(fee)
2231         except Exception:
2232             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
2233             return
2234
2235         self.wallet.set_fee(fee)
2236
2237         nz = unicode(nz_e.text())
2238         try:
2239             nz = int( nz )
2240             if nz>8: nz=8
2241         except Exception:
2242             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
2243             return
2244
2245         if self.num_zeros != nz:
2246             self.num_zeros = nz
2247             self.config.set_key('num_zeros', nz, True)
2248             self.update_history_tab()
2249             self.update_receive_tab()
2250
2251         usechange_result = usechange_cb.isChecked()
2252         if self.wallet.use_change != usechange_result:
2253             self.wallet.use_change = usechange_result
2254             self.wallet.storage.put('use_change', self.wallet.use_change)
2255
2256         if showtx_cb.isChecked() != show_tx:
2257             self.config.set_key('show_before_broadcast', not show_tx)
2258
2259         unit_result = units[unit_combo.currentIndex()]
2260         if self.base_unit() != unit_result:
2261             self.decimal_point = 8 if unit_result == 'BTC' else 5
2262             self.config.set_key('decimal_point', self.decimal_point, True)
2263             self.update_history_tab()
2264             self.update_status()
2265
2266         need_restart = False
2267
2268         lang_request = languages.keys()[lang_combo.currentIndex()]
2269         if lang_request != self.config.get('language'):
2270             self.config.set_key("language", lang_request, True)
2271             need_restart = True
2272
2273         be_result = block_explorers[block_ex_combo.currentIndex()]
2274         self.config.set_key('block_explorer', be_result, True)
2275
2276         run_hook('close_settings_dialog')
2277
2278         if need_restart:
2279             QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
2280
2281
2282     def run_network_dialog(self):
2283         if not self.network:
2284             return
2285         NetworkDialog(self.wallet.network, self.config, self).do_exec()
2286
2287     def closeEvent(self, event):
2288         self.tray.hide()
2289         self.config.set_key("is_maximized", self.isMaximized())
2290         if not self.isMaximized():
2291             g = self.geometry()
2292             self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()])
2293         self.save_column_widths()
2294         self.config.set_key("console-history", self.console.history[-50:], True)
2295         self.wallet.storage.put('accounts_expanded', self.accounts_expanded)
2296         event.accept()
2297
2298
2299     def plugins_dialog(self):
2300         from electrum.plugins import plugins
2301
2302         d = QDialog(self)
2303         d.setWindowTitle(_('Electrum Plugins'))
2304         d.setModal(1)
2305
2306         vbox = QVBoxLayout(d)
2307
2308         # plugins
2309         scroll = QScrollArea()
2310         scroll.setEnabled(True)
2311         scroll.setWidgetResizable(True)
2312         scroll.setMinimumSize(400,250)
2313         vbox.addWidget(scroll)
2314
2315         w = QWidget()
2316         scroll.setWidget(w)
2317         w.setMinimumHeight(len(plugins)*35)
2318
2319         grid = QGridLayout()
2320         grid.setColumnStretch(0,1)
2321         w.setLayout(grid)
2322
2323         def do_toggle(cb, p, w):
2324             r = p.toggle()
2325             cb.setChecked(r)
2326             if w: w.setEnabled(r)
2327
2328         def mk_toggle(cb, p, w):
2329             return lambda: do_toggle(cb,p,w)
2330
2331         for i, p in enumerate(plugins):
2332             try:
2333                 cb = QCheckBox(p.fullname())
2334                 cb.setDisabled(not p.is_available())
2335                 cb.setChecked(p.is_enabled())
2336                 grid.addWidget(cb, i, 0)
2337                 if p.requires_settings():
2338                     w = p.settings_widget(self)
2339                     w.setEnabled( p.is_enabled() )
2340                     grid.addWidget(w, i, 1)
2341                 else:
2342                     w = None
2343                 cb.clicked.connect(mk_toggle(cb,p,w))
2344                 grid.addWidget(HelpButton(p.description()), i, 2)
2345             except Exception:
2346                 print_msg(_("Error: cannot display plugin"), p)
2347                 traceback.print_exc(file=sys.stdout)
2348         grid.setRowStretch(i+1,1)
2349
2350         vbox.addLayout(close_button(d))
2351
2352         d.exec_()
2353
2354
2355     def show_account_details(self, k):
2356         account = self.wallet.accounts[k]
2357
2358         d = QDialog(self)
2359         d.setWindowTitle(_('Account Details'))
2360         d.setModal(1)
2361
2362         vbox = QVBoxLayout(d)
2363         name = self.wallet.get_account_name(k)
2364         label = QLabel('Name: ' + name)
2365         vbox.addWidget(label)
2366
2367         vbox.addWidget(QLabel(_('Address type') + ': ' + account.get_type()))
2368
2369         vbox.addWidget(QLabel(_('Derivation') + ': ' + k))
2370
2371         vbox.addWidget(QLabel(_('Master Public Key:')))
2372
2373         text = QTextEdit()
2374         text.setReadOnly(True)
2375         text.setMaximumHeight(170)
2376         vbox.addWidget(text)
2377
2378         mpk_text = '\n'.join( account.get_master_pubkeys() )
2379         text.setText(mpk_text)
2380
2381         vbox.addLayout(close_button(d))
2382         d.exec_()