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             tx = Transaction(tx_dict["hex"])
1769             if tx_dict.has_key("input_info"):
1770                 input_info = json.loads(tx_dict['input_info'])
1771                 tx.add_input_info(input_info)
1772             return tx
1773         except Exception:
1774             traceback.print_exc(file=sys.stdout)
1775             pass
1776
1777         QMessageBox.critical(None, _("Unable to parse transaction"), _("Electrum was unable to parse your transaction"))
1778
1779
1780
1781     def read_tx_from_file(self):
1782         fileName = self.getOpenFileName(_("Select your transaction file"), "*.txn")
1783         if not fileName:
1784             return
1785         try:
1786             with open(fileName, "r") as f:
1787                 file_content = f.read()
1788         except (ValueError, IOError, os.error), reason:
1789             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1790
1791         return self.tx_from_text(file_content)
1792
1793
1794     @protected
1795     def sign_raw_transaction(self, tx, input_info, password):
1796         self.wallet.signrawtransaction(tx, input_info, [], password)
1797
1798     def do_process_from_text(self):
1799         text = text_dialog(self, _('Input raw transaction'), _("Transaction:"), _("Load transaction"))
1800         if not text:
1801             return
1802         tx = self.tx_from_text(text)
1803         if tx:
1804             self.show_transaction(tx)
1805
1806     def do_process_from_file(self):
1807         tx = self.read_tx_from_file()
1808         if tx:
1809             self.show_transaction(tx)
1810
1811     def do_process_from_txid(self):
1812         from electrum import transaction
1813         txid, ok = QInputDialog.getText(self, _('Lookup transaction'), _('Transaction ID') + ':')
1814         if ok and txid:
1815             r = self.network.synchronous_get([ ('blockchain.transaction.get',[str(txid)]) ])[0]
1816             if r:
1817                 tx = transaction.Transaction(r)
1818                 if tx:
1819                     self.show_transaction(tx)
1820                 else:
1821                     self.show_message("unknown transaction")
1822
1823     def do_process_from_csvReader(self, csvReader):
1824         outputs = []
1825         errors = []
1826         errtext = ""
1827         try:
1828             for position, row in enumerate(csvReader):
1829                 address = row[0]
1830                 if not is_valid(address):
1831                     errors.append((position, address))
1832                     continue
1833                 amount = Decimal(row[1])
1834                 amount = int(100000000*amount)
1835                 outputs.append((address, amount))
1836         except (ValueError, IOError, os.error), reason:
1837             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1838             return
1839         if errors != []:
1840             for x in errors:
1841                 errtext += "CSV Row " + str(x[0]+1) + ": " + x[1] + "\n"
1842             QMessageBox.critical(None, _("Invalid Addresses"), _("ABORTING! Invalid Addresses found:") + "\n\n" + errtext)
1843             return
1844
1845         try:
1846             tx = self.wallet.make_unsigned_transaction(outputs, None, None)
1847         except Exception as e:
1848             self.show_message(str(e))
1849             return
1850
1851         self.show_transaction(tx)
1852
1853     def do_process_from_csv_file(self):
1854         fileName = self.getOpenFileName(_("Select your transaction CSV"), "*.csv")
1855         if not fileName:
1856             return
1857         try:
1858             with open(fileName, "r") as f:
1859                 csvReader = csv.reader(f)
1860                 self.do_process_from_csvReader(csvReader)
1861         except (ValueError, IOError, os.error), reason:
1862             QMessageBox.critical(None, _("Unable to read file or no transaction found"), _("Electrum was unable to open your transaction file") + "\n" + str(reason))
1863             return
1864
1865     def do_process_from_csv_text(self):
1866         text = text_dialog(self, _('Input CSV'), _("Please enter a list of outputs.") + '\n' \
1867                                + _("Format: address, amount. One output per line"), _("Load CSV"))
1868         if not text:
1869             return
1870         f = StringIO.StringIO(text)
1871         csvReader = csv.reader(f)
1872         self.do_process_from_csvReader(csvReader)
1873
1874
1875
1876     @protected
1877     def export_privkeys_dialog(self, password):
1878         if self.wallet.is_watching_only():
1879             self.show_message(_("This is a watching-only wallet"))
1880             return
1881
1882         d = QDialog(self)
1883         d.setWindowTitle(_('Private keys'))
1884         d.setMinimumSize(850, 300)
1885         vbox = QVBoxLayout(d)
1886
1887         msg = "%s\n%s\n%s" % (_("WARNING: ALL your private keys are secret."),
1888                               _("Exposing a single private key can compromise your entire wallet!"),
1889                               _("In particular, DO NOT use 'redeem private key' services proposed by third parties."))
1890         vbox.addWidget(QLabel(msg))
1891
1892         e = QTextEdit()
1893         e.setReadOnly(True)
1894         vbox.addWidget(e)
1895
1896         defaultname = 'electrum-private-keys.csv'
1897         select_msg = _('Select file to export your private keys to')
1898         hbox, filename_e, csv_button = filename_field(self, self.config, defaultname, select_msg)
1899         vbox.addLayout(hbox)
1900
1901         h, b = ok_cancel_buttons2(d, _('Export'))
1902         b.setEnabled(False)
1903         vbox.addLayout(h)
1904
1905         private_keys = {}
1906         addresses = self.wallet.addresses(True)
1907         done = False
1908         def privkeys_thread():
1909             for addr in addresses:
1910                 time.sleep(0.1)
1911                 if done:
1912                     break
1913                 private_keys[addr] = "\n".join(self.wallet.get_private_key(addr, password))
1914                 d.emit(SIGNAL('computing_privkeys'))
1915             d.emit(SIGNAL('show_privkeys'))
1916
1917         def show_privkeys():
1918             s = "\n".join( map( lambda x: x[0] + "\t"+ x[1], private_keys.items()))
1919             e.setText(s)
1920             b.setEnabled(True)
1921
1922         d.connect(d, QtCore.SIGNAL('computing_privkeys'), lambda: e.setText("Please wait... %d/%d"%(len(private_keys),len(addresses))))
1923         d.connect(d, QtCore.SIGNAL('show_privkeys'), show_privkeys)
1924         threading.Thread(target=privkeys_thread).start()
1925
1926         if not d.exec_():
1927             done = True
1928             return
1929
1930         filename = filename_e.text()
1931         if not filename:
1932             return
1933
1934         try:
1935             self.do_export_privkeys(filename, private_keys, csv_button.isChecked())
1936         except (IOError, os.error), reason:
1937             export_error_label = _("Electrum was unable to produce a private key-export.")
1938             QMessageBox.critical(None, _("Unable to create csv"), export_error_label + "\n" + str(reason))
1939
1940         except Exception as e:
1941             self.show_message(str(e))
1942             return
1943
1944         self.show_message(_("Private keys exported."))
1945
1946
1947     def do_export_privkeys(self, fileName, pklist, is_csv):
1948         with open(fileName, "w+") as f:
1949             if is_csv:
1950                 transaction = csv.writer(f)
1951                 transaction.writerow(["address", "private_key"])
1952                 for addr, pk in pklist.items():
1953                     transaction.writerow(["%34s"%addr,pk])
1954             else:
1955                 import json
1956                 f.write(json.dumps(pklist, indent = 4))
1957
1958
1959     def do_import_labels(self):
1960         labelsFile = self.getOpenFileName(_("Open labels file"), "*.dat")
1961         if not labelsFile: return
1962         try:
1963             f = open(labelsFile, 'r')
1964             data = f.read()
1965             f.close()
1966             for key, value in json.loads(data).items():
1967                 self.wallet.set_label(key, value)
1968             QMessageBox.information(None, _("Labels imported"), _("Your labels were imported from")+" '%s'" % str(labelsFile))
1969         except (IOError, os.error), reason:
1970             QMessageBox.critical(None, _("Unable to import labels"), _("Electrum was unable to import your labels.")+"\n" + str(reason))
1971
1972
1973     def do_export_labels(self):
1974         labels = self.wallet.labels
1975         try:
1976             fileName = self.getSaveFileName(_("Select file to save your labels"), 'electrum_labels.dat', "*.dat")
1977             if fileName:
1978                 with open(fileName, 'w+') as f:
1979                     json.dump(labels, f)
1980                 QMessageBox.information(None, _("Labels exported"), _("Your labels where exported to")+" '%s'" % str(fileName))
1981         except (IOError, os.error), reason:
1982             QMessageBox.critical(None, _("Unable to export labels"), _("Electrum was unable to export your labels.")+"\n" + str(reason))
1983
1984
1985     def export_history_dialog(self):
1986
1987         d = QDialog(self)
1988         d.setWindowTitle(_('Export History'))
1989         d.setMinimumSize(400, 200)
1990         vbox = QVBoxLayout(d)
1991
1992         defaultname = os.path.expanduser('~/electrum-history.csv')
1993         select_msg = _('Select file to export your wallet transactions to')
1994
1995         hbox, filename_e, csv_button = filename_field(self, self.config, defaultname, select_msg)
1996         vbox.addLayout(hbox)
1997
1998         vbox.addStretch(1)
1999
2000         h, b = ok_cancel_buttons2(d, _('Export'))
2001         vbox.addLayout(h)
2002         if not d.exec_():
2003             return
2004
2005         filename = filename_e.text()
2006         if not filename:
2007             return
2008
2009         try:
2010             self.do_export_history(self.wallet, filename, csv_button.isChecked())
2011         except (IOError, os.error), reason:
2012             export_error_label = _("Electrum was unable to produce a transaction export.")
2013             QMessageBox.critical(self, _("Unable to export history"), export_error_label + "\n" + str(reason))
2014             return
2015
2016         QMessageBox.information(self,_("History exported"), _("Your wallet history has been successfully exported."))
2017
2018
2019     def do_export_history(self, wallet, fileName, is_csv):
2020         history = wallet.get_tx_history()
2021         lines = []
2022         for item in history:
2023             tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item
2024             if confirmations:
2025                 if timestamp is not None:
2026                     try:
2027                         time_string = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
2028                     except [RuntimeError, TypeError, NameError] as reason:
2029                         time_string = "unknown"
2030                         pass
2031                 else:
2032                     time_string = "unknown"
2033             else:
2034                 time_string = "pending"
2035
2036             if value is not None:
2037                 value_string = format_satoshis(value, True)
2038             else:
2039                 value_string = '--'
2040
2041             if fee is not None:
2042                 fee_string = format_satoshis(fee, True)
2043             else:
2044                 fee_string = '0'
2045
2046             if tx_hash:
2047                 label, is_default_label = wallet.get_label(tx_hash)
2048                 label = label.encode('utf-8')
2049             else:
2050                 label = ""
2051
2052             balance_string = format_satoshis(balance, False)
2053             if is_csv:
2054                 lines.append([tx_hash, label, confirmations, value_string, fee_string, balance_string, time_string])
2055             else:
2056                 lines.append({'txid':tx_hash, 'date':"%16s"%time_string, 'label':label, 'value':value_string})
2057
2058         with open(fileName, "w+") as f:
2059             if is_csv:
2060                 transaction = csv.writer(f)
2061                 transaction.writerow(["transaction_hash","label", "confirmations", "value", "fee", "balance", "timestamp"])
2062                 for line in lines:
2063                     transaction.writerow(line)
2064             else:
2065                 import json
2066                 f.write(json.dumps(lines, indent = 4))
2067
2068
2069     def sweep_key_dialog(self):
2070         d = QDialog(self)
2071         d.setWindowTitle(_('Sweep private keys'))
2072         d.setMinimumSize(600, 300)
2073
2074         vbox = QVBoxLayout(d)
2075         vbox.addWidget(QLabel(_("Enter private keys")))
2076
2077         keys_e = QTextEdit()
2078         keys_e.setTabChangesFocus(True)
2079         vbox.addWidget(keys_e)
2080
2081         h, address_e = address_field(self.wallet.addresses())
2082         vbox.addLayout(h)
2083
2084         vbox.addStretch(1)
2085         hbox, button = ok_cancel_buttons2(d, _('Sweep'))
2086         vbox.addLayout(hbox)
2087         button.setEnabled(False)
2088
2089         def get_address():
2090             addr = str(address_e.text())
2091             if bitcoin.is_address(addr):
2092                 return addr
2093
2094         def get_pk():
2095             pk = str(keys_e.toPlainText()).strip()
2096             if Wallet.is_private_key(pk):
2097                 return pk.split()
2098
2099         f = lambda: button.setEnabled(get_address() is not None and get_pk() is not None)
2100         keys_e.textChanged.connect(f)
2101         address_e.textChanged.connect(f)
2102         if not d.exec_():
2103             return
2104
2105         fee = self.wallet.fee
2106         tx = Transaction.sweep(get_pk(), self.network, get_address(), fee)
2107         self.show_transaction(tx)
2108
2109
2110     @protected
2111     def do_import_privkey(self, password):
2112         if not self.wallet.imported_keys:
2113             r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
2114                                          + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
2115                                          + _('Are you sure you understand what you are doing?'), 3, 4)
2116             if r == 4: return
2117
2118         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
2119         if not text: return
2120
2121         text = str(text).split()
2122         badkeys = []
2123         addrlist = []
2124         for key in text:
2125             try:
2126                 addr = self.wallet.import_key(key, password)
2127             except Exception as e:
2128                 badkeys.append(key)
2129                 continue
2130             if not addr:
2131                 badkeys.append(key)
2132             else:
2133                 addrlist.append(addr)
2134         if addrlist:
2135             QMessageBox.information(self, _('Information'), _("The following addresses were added") + ':\n' + '\n'.join(addrlist))
2136         if badkeys:
2137             QMessageBox.critical(self, _('Error'), _("The following inputs could not be imported") + ':\n'+ '\n'.join(badkeys))
2138         self.update_receive_tab()
2139         self.update_history_tab()
2140
2141
2142     def settings_dialog(self):
2143         d = QDialog(self)
2144         d.setWindowTitle(_('Electrum Settings'))
2145         d.setModal(1)
2146         vbox = QVBoxLayout()
2147         grid = QGridLayout()
2148         grid.setColumnStretch(0,1)
2149
2150         nz_label = QLabel(_('Display zeros') + ':')
2151         grid.addWidget(nz_label, 0, 0)
2152         nz_e = AmountEdit(None,True)
2153         nz_e.setText("%d"% self.num_zeros)
2154         grid.addWidget(nz_e, 0, 1)
2155         msg = _('Number of zeros displayed after the decimal point. For example, if this is set to 2, "1." will be displayed as "1.00"')
2156         grid.addWidget(HelpButton(msg), 0, 2)
2157         if not self.config.is_modifiable('num_zeros'):
2158             for w in [nz_e, nz_label]: w.setEnabled(False)
2159
2160         lang_label=QLabel(_('Language') + ':')
2161         grid.addWidget(lang_label, 1, 0)
2162         lang_combo = QComboBox()
2163         from electrum.i18n import languages
2164         lang_combo.addItems(languages.values())
2165         try:
2166             index = languages.keys().index(self.config.get("language",''))
2167         except Exception:
2168             index = 0
2169         lang_combo.setCurrentIndex(index)
2170         grid.addWidget(lang_combo, 1, 1)
2171         grid.addWidget(HelpButton(_('Select which language is used in the GUI (after restart).')+' '), 1, 2)
2172         if not self.config.is_modifiable('language'):
2173             for w in [lang_combo, lang_label]: w.setEnabled(False)
2174
2175
2176         fee_label = QLabel(_('Transaction fee') + ':')
2177         grid.addWidget(fee_label, 2, 0)
2178         fee_e = AmountEdit(self.base_unit)
2179         fee_e.setText(self.format_amount(self.wallet.fee).strip())
2180         grid.addWidget(fee_e, 2, 1)
2181         msg = _('Fee per kilobyte of transaction.') + ' ' \
2182             + _('Recommended value') + ': ' + self.format_amount(20000)
2183         grid.addWidget(HelpButton(msg), 2, 2)
2184         if not self.config.is_modifiable('fee_per_kb'):
2185             for w in [fee_e, fee_label]: w.setEnabled(False)
2186
2187         units = ['BTC', 'mBTC']
2188         unit_label = QLabel(_('Base unit') + ':')
2189         grid.addWidget(unit_label, 3, 0)
2190         unit_combo = QComboBox()
2191         unit_combo.addItems(units)
2192         unit_combo.setCurrentIndex(units.index(self.base_unit()))
2193         grid.addWidget(unit_combo, 3, 1)
2194         grid.addWidget(HelpButton(_('Base unit of your wallet.')\
2195                                              + '\n1BTC=1000mBTC.\n' \
2196                                              + _(' These settings affects the fields in the Send tab')+' '), 3, 2)
2197
2198         usechange_cb = QCheckBox(_('Use change addresses'))
2199         usechange_cb.setChecked(self.wallet.use_change)
2200         grid.addWidget(usechange_cb, 4, 0)
2201         grid.addWidget(HelpButton(_('Using change addresses makes it more difficult for other people to track your transactions.')+' '), 4, 2)
2202         if not self.config.is_modifiable('use_change'): usechange_cb.setEnabled(False)
2203
2204         block_explorers = ['Blockchain.info', 'Blockr.io', 'Insight.is']
2205         block_ex_label = QLabel(_('Online Block Explorer') + ':')
2206         grid.addWidget(block_ex_label, 5, 0)
2207         block_ex_combo = QComboBox()
2208         block_ex_combo.addItems(block_explorers)
2209         block_ex_combo.setCurrentIndex(block_explorers.index(self.config.get('block_explorer', 'Blockchain.info')))
2210         grid.addWidget(block_ex_combo, 5, 1)
2211         grid.addWidget(HelpButton(_('Choose which online block explorer to use for functions that open a web browser')+' '), 5, 2)
2212
2213         show_tx = self.config.get('show_before_broadcast', False)
2214         showtx_cb = QCheckBox(_('Show before broadcast'))
2215         showtx_cb.setChecked(show_tx)
2216         grid.addWidget(showtx_cb, 6, 0)
2217         grid.addWidget(HelpButton(_('Display the details of your transactions before broadcasting it.')), 6, 2)
2218
2219         vbox.addLayout(grid)
2220         vbox.addStretch(1)
2221         vbox.addLayout(ok_cancel_buttons(d))
2222         d.setLayout(vbox)
2223
2224         # run the dialog
2225         if not d.exec_(): return
2226
2227         fee = unicode(fee_e.text())
2228         try:
2229             fee = self.read_amount(fee)
2230         except Exception:
2231             QMessageBox.warning(self, _('Error'), _('Invalid value') +': %s'%fee, _('OK'))
2232             return
2233
2234         self.wallet.set_fee(fee)
2235
2236         nz = unicode(nz_e.text())
2237         try:
2238             nz = int( nz )
2239             if nz>8: nz=8
2240         except Exception:
2241             QMessageBox.warning(self, _('Error'), _('Invalid value')+':%s'%nz, _('OK'))
2242             return
2243
2244         if self.num_zeros != nz:
2245             self.num_zeros = nz
2246             self.config.set_key('num_zeros', nz, True)
2247             self.update_history_tab()
2248             self.update_receive_tab()
2249
2250         usechange_result = usechange_cb.isChecked()
2251         if self.wallet.use_change != usechange_result:
2252             self.wallet.use_change = usechange_result
2253             self.wallet.storage.put('use_change', self.wallet.use_change)
2254
2255         if showtx_cb.isChecked() != show_tx:
2256             self.config.set_key('show_before_broadcast', not show_tx)
2257
2258         unit_result = units[unit_combo.currentIndex()]
2259         if self.base_unit() != unit_result:
2260             self.decimal_point = 8 if unit_result == 'BTC' else 5
2261             self.config.set_key('decimal_point', self.decimal_point, True)
2262             self.update_history_tab()
2263             self.update_status()
2264
2265         need_restart = False
2266
2267         lang_request = languages.keys()[lang_combo.currentIndex()]
2268         if lang_request != self.config.get('language'):
2269             self.config.set_key("language", lang_request, True)
2270             need_restart = True
2271
2272         be_result = block_explorers[block_ex_combo.currentIndex()]
2273         self.config.set_key('block_explorer', be_result, True)
2274
2275         run_hook('close_settings_dialog')
2276
2277         if need_restart:
2278             QMessageBox.warning(self, _('Success'), _('Please restart Electrum to activate the new GUI settings'), _('OK'))
2279
2280
2281     def run_network_dialog(self):
2282         if not self.network:
2283             return
2284         NetworkDialog(self.wallet.network, self.config, self).do_exec()
2285
2286     def closeEvent(self, event):
2287         self.tray.hide()
2288         self.config.set_key("is_maximized", self.isMaximized())
2289         if not self.isMaximized():
2290             g = self.geometry()
2291             self.config.set_key("winpos-qt", [g.left(),g.top(),g.width(),g.height()])
2292         self.save_column_widths()
2293         self.config.set_key("console-history", self.console.history[-50:], True)
2294         self.wallet.storage.put('accounts_expanded', self.accounts_expanded)
2295         event.accept()
2296
2297
2298     def plugins_dialog(self):
2299         from electrum.plugins import plugins
2300
2301         d = QDialog(self)
2302         d.setWindowTitle(_('Electrum Plugins'))
2303         d.setModal(1)
2304
2305         vbox = QVBoxLayout(d)
2306
2307         # plugins
2308         scroll = QScrollArea()
2309         scroll.setEnabled(True)
2310         scroll.setWidgetResizable(True)
2311         scroll.setMinimumSize(400,250)
2312         vbox.addWidget(scroll)
2313
2314         w = QWidget()
2315         scroll.setWidget(w)
2316         w.setMinimumHeight(len(plugins)*35)
2317
2318         grid = QGridLayout()
2319         grid.setColumnStretch(0,1)
2320         w.setLayout(grid)
2321
2322         def do_toggle(cb, p, w):
2323             r = p.toggle()
2324             cb.setChecked(r)
2325             if w: w.setEnabled(r)
2326
2327         def mk_toggle(cb, p, w):
2328             return lambda: do_toggle(cb,p,w)
2329
2330         for i, p in enumerate(plugins):
2331             try:
2332                 cb = QCheckBox(p.fullname())
2333                 cb.setDisabled(not p.is_available())
2334                 cb.setChecked(p.is_enabled())
2335                 grid.addWidget(cb, i, 0)
2336                 if p.requires_settings():
2337                     w = p.settings_widget(self)
2338                     w.setEnabled( p.is_enabled() )
2339                     grid.addWidget(w, i, 1)
2340                 else:
2341                     w = None
2342                 cb.clicked.connect(mk_toggle(cb,p,w))
2343                 grid.addWidget(HelpButton(p.description()), i, 2)
2344             except Exception:
2345                 print_msg(_("Error: cannot display plugin"), p)
2346                 traceback.print_exc(file=sys.stdout)
2347         grid.setRowStretch(i+1,1)
2348
2349         vbox.addLayout(close_button(d))
2350
2351         d.exec_()
2352
2353
2354     def show_account_details(self, k):
2355         account = self.wallet.accounts[k]
2356
2357         d = QDialog(self)
2358         d.setWindowTitle(_('Account Details'))
2359         d.setModal(1)
2360
2361         vbox = QVBoxLayout(d)
2362         name = self.wallet.get_account_name(k)
2363         label = QLabel('Name: ' + name)
2364         vbox.addWidget(label)
2365
2366         vbox.addWidget(QLabel(_('Address type') + ': ' + account.get_type()))
2367
2368         vbox.addWidget(QLabel(_('Derivation') + ': ' + k))
2369
2370         vbox.addWidget(QLabel(_('Master Public Key:')))
2371
2372         text = QTextEdit()
2373         text.setReadOnly(True)
2374         text.setMaximumHeight(170)
2375         vbox.addWidget(text)
2376
2377         mpk_text = '\n'.join( account.get_master_pubkeys() )
2378         text.setText(mpk_text)
2379
2380         vbox.addLayout(close_button(d))
2381         d.exec_()