2013-04-28 04:47:19 -07:00
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#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2012 thomasv@gitorious
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#
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2016-02-23 02:36:42 -08:00
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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2013-04-28 04:47:19 -07:00
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#
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2016-02-23 02:36:42 -08:00
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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2013-04-28 04:47:19 -07:00
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#
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2016-02-23 02:36:42 -08:00
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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2013-04-28 04:47:19 -07:00
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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2015-10-28 04:10:43 -07:00
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from electrum.i18n import _
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2015-05-23 19:14:39 -07:00
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from electrum import DEFAULT_PORTS
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2015-10-28 04:10:43 -07:00
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from electrum.network import serialize_server, deserialize_server
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2013-04-28 04:47:19 -07:00
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2013-09-24 01:06:03 -07:00
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from util import *
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2013-04-28 04:47:19 -07:00
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2014-09-19 01:46:18 -07:00
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protocol_names = ['TCP', 'SSL']
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protocol_letters = 'ts'
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2013-04-28 04:47:19 -07:00
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2015-12-22 05:23:51 -08:00
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class NetworkDialog(WindowModalDialog):
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2013-09-10 09:27:32 -07:00
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def __init__(self, network, config, parent):
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WindowModalDialog.__init__(self, parent, _('Network'))
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2013-04-28 04:47:19 -07:00
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self.setMinimumSize(375, 20)
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2016-01-13 03:34:42 -08:00
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self.nlayout = NetworkChoiceLayout(network, config)
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vbox = QVBoxLayout(self)
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vbox.addLayout(self.nlayout.layout())
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vbox.addLayout(Buttons(CancelButton(self), OkButton(self)))
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def do_exec(self):
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result = self.exec_()
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if result:
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self.nlayout.accept()
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return result
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2013-04-28 04:47:19 -07:00
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class NetworkChoiceLayout(object):
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def __init__(self, network, config, wizard=False):
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self.network = network
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self.config = config
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self.protocol = None
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2014-07-25 00:11:56 -07:00
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self.servers = network.get_servers()
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host, port, protocol, proxy_config, auto_connect = network.get_parameters()
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if not proxy_config:
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2015-03-12 10:12:34 -07:00
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proxy_config = { "mode":"none", "host":"localhost", "port":"9050"}
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if not wizard:
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n = len(network.get_interfaces())
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2013-09-10 10:59:58 -07:00
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if n:
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status = _("Blockchain") + ": " + "%d "%(network.get_local_height()) + _("blocks") + ".\n" + _("Getting block headers from %d nodes.")%n
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else:
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status = _("Not connected")
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if network.is_connected():
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status += "\n" + _("Server") + ": %s"%(host)
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else:
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status += "\n" + _("Disconnected from server")
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else:
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status = _("Please choose a server.") + "\n" + _("Press 'Next' if you are offline.")
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vbox = QVBoxLayout()
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hbox = QHBoxLayout()
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l = QLabel()
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l.setPixmap(QPixmap(":icons/network.png"))
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hbox.addStretch(10)
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hbox.addWidget(l)
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hbox.addWidget(QLabel(status))
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hbox.addStretch(50)
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msg = _("Electrum sends your wallet addresses to a single server, in order to receive your transaction history.") + "\n\n" \
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+ _("In addition, Electrum connects to several nodes in order to download block headers and find out the longest blockchain.") + " " \
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+ _("This blockchain is used to verify the transactions sent by the address server.")
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hbox.addWidget(HelpButton(msg))
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vbox.addLayout(hbox)
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vbox.addSpacing(15)
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2013-04-28 04:47:19 -07:00
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# grid layout
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grid = QGridLayout()
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grid.setSpacing(8)
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vbox.addLayout(grid)
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2015-03-23 03:11:51 -07:00
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# server
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self.server_host = QLineEdit()
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self.server_host.setFixedWidth(200)
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self.server_port = QLineEdit()
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self.server_port.setFixedWidth(60)
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2016-01-03 08:47:02 -08:00
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2013-10-05 03:32:27 -07:00
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grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
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grid.addWidget(self.server_host, 0, 1, 1, 2)
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grid.addWidget(self.server_port, 0, 3)
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2015-03-23 03:11:51 -07:00
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# use SSL
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self.ssl_cb = QCheckBox(_('Use SSL'))
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self.ssl_cb.setChecked(auto_connect)
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grid.addWidget(self.ssl_cb, 3, 1, 1, 3)
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self.ssl_cb.stateChanged.connect(self.change_protocol)
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2013-10-05 02:49:36 -07:00
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# auto connect
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self.autoconnect_cb = QCheckBox(_('Select server automatically'))
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self.autoconnect_cb.setChecked(auto_connect)
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grid.addWidget(self.autoconnect_cb, 1, 1, 1, 3)
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self.autoconnect_cb.setEnabled(self.config.is_modifiable('auto_connect'))
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msg = _("If auto-connect is enabled, Electrum will always use a server that is on the longest blockchain.") + "\n" \
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+ _("If it is disabled, Electrum will warn you if your server is lagging.")
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self.autoconnect_cb.setToolTip(msg)
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2014-07-28 00:28:02 -07:00
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label = _('Active Servers') if network.is_connected() else _('Default Servers')
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self.servers_list_widget = QTreeWidget()
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self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
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self.servers_list_widget.setMaximumHeight(150)
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self.servers_list_widget.setColumnWidth(0, 240)
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2014-07-25 00:11:56 -07:00
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self.change_server(host, protocol)
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self.set_protocol(protocol)
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2014-10-21 10:05:51 -07:00
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self.servers_list_widget.connect(self.servers_list_widget,
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SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
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lambda x,y: self.server_changed(x))
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grid.addWidget(self.servers_list_widget, 2, 1, 1, 3)
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2013-04-28 04:47:19 -07:00
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2013-10-05 01:14:33 -07:00
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def enable_set_server():
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if config.is_modifiable('server'):
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enabled = not self.autoconnect_cb.isChecked()
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self.server_host.setEnabled(enabled)
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self.server_port.setEnabled(enabled)
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self.servers_list_widget.setEnabled(enabled)
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else:
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2015-05-25 00:18:52 -07:00
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for w in [self.autoconnect_cb, self.server_host, self.server_port, self.ssl_cb, self.servers_list_widget]:
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w.setEnabled(False)
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2013-10-05 01:14:33 -07:00
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2015-05-25 00:18:52 -07:00
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self.autoconnect_cb.clicked.connect(enable_set_server)
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2013-10-05 01:14:33 -07:00
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enable_set_server()
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2013-04-28 04:47:19 -07:00
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# proxy setting
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self.proxy_mode = QComboBox()
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self.proxy_host = QLineEdit()
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self.proxy_host.setFixedWidth(200)
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self.proxy_port = QLineEdit()
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self.proxy_port.setFixedWidth(60)
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self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
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def check_for_disable(index = False):
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2015-01-29 02:06:46 -08:00
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if self.config.is_modifiable('proxy'):
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if self.proxy_mode.currentText() != 'NONE':
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self.proxy_host.setEnabled(True)
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self.proxy_port.setEnabled(True)
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else:
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self.proxy_host.setEnabled(False)
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self.proxy_port.setEnabled(False)
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2013-04-28 04:47:19 -07:00
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else:
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2015-01-29 02:06:46 -08:00
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for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
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2013-04-28 04:47:19 -07:00
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check_for_disable()
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self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
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self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
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self.proxy_host.setText(proxy_config.get("host"))
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self.proxy_port.setText(proxy_config.get("port"))
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2013-10-05 02:49:36 -07:00
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grid.addWidget(QLabel(_('Proxy') + ':'), 4, 0)
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grid.addWidget(self.proxy_mode, 4, 1)
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grid.addWidget(self.proxy_host, 4, 2)
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grid.addWidget(self.proxy_port, 4, 3)
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2016-01-13 03:34:42 -08:00
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self.layout_ = vbox
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2013-04-28 04:47:19 -07:00
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def layout(self):
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return self.layout_
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def init_servers_list(self):
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self.servers_list_widget.clear()
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2015-03-14 08:03:22 -07:00
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for _host, d in sorted(self.servers.items()):
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2013-04-28 04:47:19 -07:00
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if d.get(self.protocol):
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pruning_level = d.get('pruning','')
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self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
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def set_protocol(self, protocol):
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if protocol != self.protocol:
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self.protocol = protocol
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self.init_servers_list()
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2014-10-21 10:05:51 -07:00
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2015-03-23 03:11:51 -07:00
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def change_protocol(self, use_ssl):
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p = 's' if use_ssl else 't'
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2013-04-28 04:47:19 -07:00
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host = unicode(self.server_host.text())
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2013-10-04 23:51:53 -07:00
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pp = self.servers.get(host, DEFAULT_PORTS)
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2013-04-28 04:47:19 -07:00
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if p not in pp.keys():
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p = pp.keys()[0]
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port = pp[p]
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self.server_host.setText( host )
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self.server_port.setText( port )
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self.set_protocol(p)
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def server_changed(self, x):
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if x:
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2013-04-28 04:47:19 -07:00
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self.change_server(str(x.text(0)), self.protocol)
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def change_server(self, host, protocol):
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pp = self.servers.get(host, DEFAULT_PORTS)
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2015-02-05 22:37:09 -08:00
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if protocol and protocol not in protocol_letters:
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protocol = None
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2013-04-28 04:47:19 -07:00
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if protocol:
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port = pp.get(protocol)
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2015-02-05 22:37:09 -08:00
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if port is None:
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protocol = None
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2014-10-21 10:05:51 -07:00
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2013-04-28 04:47:19 -07:00
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if not protocol:
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if 's' in pp.keys():
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protocol = 's'
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port = pp.get(protocol)
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else:
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protocol = pp.keys()[0]
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port = pp.get(protocol)
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2014-10-21 10:05:51 -07:00
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2013-04-28 04:47:19 -07:00
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self.server_host.setText( host )
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self.server_port.setText( port )
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2015-03-23 03:11:51 -07:00
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self.ssl_cb.setChecked(protocol=='s')
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2013-04-28 04:47:19 -07:00
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2016-01-13 03:34:42 -08:00
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def accept(self):
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2015-10-28 04:07:45 -07:00
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host = str(self.server_host.text())
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port = str(self.server_port.text())
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2015-03-23 03:11:51 -07:00
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protocol = 's' if self.ssl_cb.isChecked() else 't'
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2015-10-28 04:07:45 -07:00
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# sanitize
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try:
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deserialize_server(serialize_server(host, port, protocol))
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except:
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return
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2013-04-28 04:47:19 -07:00
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if self.proxy_mode.currentText() != 'NONE':
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2014-10-21 10:05:51 -07:00
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proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
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'host':str(self.proxy_host.text()),
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2013-04-28 04:47:19 -07:00
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'port':str(self.proxy_port.text()) }
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else:
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proxy = None
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2015-05-25 00:18:52 -07:00
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auto_connect = self.autoconnect_cb.isChecked()
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2013-09-12 05:58:42 -07:00
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2013-10-05 02:16:09 -07:00
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self.network.set_parameters(host, port, protocol, proxy, auto_connect)
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