3 # Electrum - lightweight Bitcoin client
4 # Copyright (C) 2012 thomasv@gitorious
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.
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.
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/>.
19 import sys, time, datetime, re, threading
20 from electrum.i18n import _
21 from electrum.util import print_error, print_msg
22 import os.path, json, ast, traceback
24 from PyQt4.QtGui import *
25 from PyQt4.QtCore import *
26 from electrum import DEFAULT_SERVERS, DEFAULT_PORTS
30 protocol_names = ['TCP', 'HTTP', 'SSL', 'HTTPS']
31 protocol_letters = 'thsg'
33 class NetworkDialog(QDialog):
34 def __init__(self, network, config, parent):
36 QDialog.__init__(self,parent)
38 self.setWindowTitle(_('Network'))
39 self.setMinimumSize(375, 20)
41 self.network = network
42 self.interface = interface = network.interface
47 n = len(network.interfaces)
49 status = _("Blockchain") + ": " + "%d "%(network.blockchain.height) + _("blocks") + ".\n" + _("Getting block headers from %d nodes.")%n
51 status = _("Not connected")
53 if network.is_connected():
54 status += "\n" + _("Server:") + " %s"%(interface.host)
56 status += "\n" + _("Disconnected from server")
60 status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.")
62 server = network.default_server
63 self.servers = network.get_servers()
71 l.setPixmap(QPixmap(":icons/network.png"))
74 hbox.addWidget(QLabel(status))
76 msg = _("Electrum sends your wallet addresses to a single server, in order to receive your transaction history.") + "\n\n" \
77 + _("In addition, Electrum connects to several nodes in order to download block headers and find out the longest blockchain.") + " " \
78 + _("This blockchain is used to verify the transactions sent by the address server.")
79 hbox.addWidget(HelpButton(msg))
88 self.server_protocol = QComboBox()
89 self.server_host = QLineEdit()
90 self.server_host.setFixedWidth(200)
91 self.server_port = QLineEdit()
92 self.server_port.setFixedWidth(60)
93 self.server_protocol.addItems(protocol_names)
94 self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
96 grid.addWidget(QLabel(_('Protocol') + ':'), 3, 0)
97 grid.addWidget(self.server_protocol, 3, 1)
101 grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
104 self.autocycle_cb = QCheckBox(_('Auto-connect'))
105 self.autocycle_cb.setChecked(self.config.get('auto_cycle', True))
106 grid.addWidget(self.autocycle_cb, 0, 1)
107 if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False)
108 msg = _("If auto-connect is enabled, Electrum will always use a server that is on the the longest blockchain.") + " " \
109 + _("If it is disabled, Electrum will warn you if your server is lagging.")
110 grid.addWidget(HelpButton(msg), 0, 4)
112 grid.addWidget(self.server_host, 0, 2, 1, 2)
113 grid.addWidget(self.server_port, 0, 3)
116 label = _('Active Servers') if network.irc_servers else _('Default Servers')
117 self.servers_list_widget = QTreeWidget(parent)
118 self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
119 self.servers_list_widget.setMaximumHeight(150)
120 self.servers_list_widget.setColumnWidth(0, 240)
123 host, port, protocol = server.split(':')
124 self.change_server(host, protocol)
126 self.set_protocol(self.network.protocol)
128 self.servers_list_widget.connect(self.servers_list_widget,
129 SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
130 lambda x,y: self.server_changed(x))
131 grid.addWidget(self.servers_list_widget, 1, 1, 1, 3)
133 if not config.is_modifiable('server'):
134 for w in [self.server_host, self.server_port, self.server_protocol, self.servers_list_widget]: w.setEnabled(False)
138 def enable_set_server():
139 enabled = not self.autocycle_cb.isChecked()
140 self.server_host.setEnabled(enabled)
141 self.server_port.setEnabled(enabled)
142 self.servers_list_widget.setEnabled(enabled)
144 self.autocycle_cb.clicked.connect(enable_set_server)
148 self.proxy_mode = QComboBox()
149 self.proxy_host = QLineEdit()
150 self.proxy_host.setFixedWidth(200)
151 self.proxy_port = QLineEdit()
152 self.proxy_port.setFixedWidth(60)
153 self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
155 def check_for_disable(index = False):
156 if self.proxy_mode.currentText() != 'NONE':
157 self.proxy_host.setEnabled(True)
158 self.proxy_port.setEnabled(True)
160 self.proxy_host.setEnabled(False)
161 self.proxy_port.setEnabled(False)
164 self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
166 if not self.config.is_modifiable('proxy'):
167 for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
169 proxy_config = network.proxy if network.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
170 self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
171 self.proxy_host.setText(proxy_config.get("host"))
172 self.proxy_port.setText(proxy_config.get("port"))
174 grid.addWidget(QLabel(_('Proxy') + ':'), 4, 0)
175 grid.addWidget(self.proxy_mode, 4, 1)
176 grid.addWidget(self.proxy_host, 4, 2)
177 grid.addWidget(self.proxy_port, 4, 3)
180 vbox.addLayout(ok_cancel_buttons(self))
184 def init_servers_list(self):
185 self.servers_list_widget.clear()
186 for _host, d in self.servers.items():
187 if d.get(self.protocol):
188 pruning_level = d.get('pruning','')
189 self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
192 def set_protocol(self, protocol):
193 if protocol != self.protocol:
194 self.protocol = protocol
195 self.init_servers_list()
197 def change_protocol(self, index):
198 p = protocol_letters[index]
199 host = unicode(self.server_host.text())
200 pp = self.servers.get(host, DEFAULT_PORTS)
201 if p not in pp.keys():
204 self.server_host.setText( host )
205 self.server_port.setText( port )
208 def server_changed(self, x):
210 self.change_server(str(x.text(0)), self.protocol)
212 def change_server(self, host, protocol):
214 pp = self.servers.get(host, DEFAULT_PORTS)
216 port = pp.get(protocol)
217 if not port: protocol = None
222 port = pp.get(protocol)
224 protocol = pp.keys()[0]
225 port = pp.get(protocol)
227 self.server_host.setText( host )
228 self.server_port.setText( port )
229 self.server_protocol.setCurrentIndex(protocol_letters.index(protocol))
231 if not self.servers: return
232 for p in protocol_letters:
233 i = protocol_letters.index(p)
234 j = self.server_protocol.model().index(i,0)
235 #if p not in pp.keys(): # and self.interface.is_connected:
236 # self.server_protocol.model().setData(j, QVariant(0), Qt.UserRole-1)
238 # self.server_protocol.model().setData(j, QVariant(33), Qt.UserRole-1)
246 host = str( self.server_host.text() )
247 port = str( self.server_port.text() )
248 protocol = protocol_letters[self.server_protocol.currentIndex()]
250 if self.proxy_mode.currentText() != 'NONE':
251 proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
252 'host':str(self.proxy_host.text()),
253 'port':str(self.proxy_port.text()) }
257 auto_connect = self.autocycle_cb.isChecked()
259 self.network.set_parameters(host, port, protocol, proxy, auto_connect)