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(_('Server'))
39 self.setMinimumSize(375, 20)
41 self.network = network
42 self.interface = interface = network.interface
47 n = len(network.interfaces)
49 status = _("Connected to %d servers")%n + ", %d "%(network.blockchain.height) + _("blocks")
51 status = _("Not connected")
53 if network.is_connected():
54 status += "\n" + _("Main server:") + " %s"%(interface.host)
56 status += "\n" + _("Disconnected from main 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 hbox.addWidget(HelpButton(_("As of version 1.9, Electrum connects to several servers in order to download block headers and find out the longest blockchain. However, your wallet addresses are sent to a single server, in order to receive your transaction history.")))
86 self.autocycle_cb = QCheckBox(_('Auto-connect'))
87 self.autocycle_cb.setChecked(self.config.get('auto_cycle', True))
88 grid.addWidget(self.autocycle_cb, 0, 1, 1, 2)
89 if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False)
92 self.server_protocol = QComboBox()
93 self.server_host = QLineEdit()
94 self.server_host.setFixedWidth(200)
95 self.server_port = QLineEdit()
96 self.server_port.setFixedWidth(60)
98 self.server_protocol.addItems(protocol_names)
100 grid.addWidget(QLabel(_('Server') + ':'), 1, 0)
101 grid.addWidget(self.server_protocol, 1, 1)
102 grid.addWidget(self.server_host, 1, 2)
103 grid.addWidget(self.server_port, 1, 3)
105 self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
107 label = _('Active Servers') if network.irc_servers else _('Default Servers')
108 self.servers_list_widget = QTreeWidget(parent)
109 self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
110 self.servers_list_widget.setMaximumHeight(150)
111 self.servers_list_widget.setColumnWidth(0, 240)
114 host, port, protocol = server.split(':')
115 self.set_protocol(protocol)
116 self.change_server(host, protocol)
118 self.set_protocol('s')
120 self.servers_list_widget.connect(self.servers_list_widget,
121 SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
122 lambda x,y: self.server_changed(x))
123 grid.addWidget(self.servers_list_widget, 2, 1, 1, 3)
125 if not config.is_modifiable('server'):
126 for w in [self.server_host, self.server_port, self.server_protocol, self.servers_list_widget]: w.setEnabled(False)
130 def enable_set_server():
131 enabled = not self.autocycle_cb.isChecked()
132 self.server_host.setEnabled(enabled)
133 self.server_port.setEnabled(enabled)
134 self.servers_list_widget.setEnabled(enabled)
136 self.autocycle_cb.clicked.connect(enable_set_server)
140 self.proxy_mode = QComboBox()
141 self.proxy_host = QLineEdit()
142 self.proxy_host.setFixedWidth(200)
143 self.proxy_port = QLineEdit()
144 self.proxy_port.setFixedWidth(60)
145 self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
147 def check_for_disable(index = False):
148 if self.proxy_mode.currentText() != 'NONE':
149 self.proxy_host.setEnabled(True)
150 self.proxy_port.setEnabled(True)
152 self.proxy_host.setEnabled(False)
153 self.proxy_port.setEnabled(False)
156 self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
158 if not self.config.is_modifiable('proxy'):
159 for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
161 proxy_config = network.proxy if network.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
162 self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
163 self.proxy_host.setText(proxy_config.get("host"))
164 self.proxy_port.setText(proxy_config.get("port"))
166 grid.addWidget(QLabel(_('Proxy') + ':'), 3, 0)
167 grid.addWidget(self.proxy_mode, 3, 1)
168 grid.addWidget(self.proxy_host, 3, 2)
169 grid.addWidget(self.proxy_port, 3, 3)
172 vbox.addLayout(ok_cancel_buttons(self))
176 def init_servers_list(self):
177 self.servers_list_widget.clear()
178 for _host, d in self.servers.items():
179 if d.get(self.protocol):
180 pruning_level = d.get('pruning','')
181 self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
184 def set_protocol(self, protocol):
185 if protocol != self.protocol:
186 self.protocol = protocol
187 self.init_servers_list()
189 def change_protocol(self, index):
190 p = protocol_letters[index]
191 host = unicode(self.server_host.text())
192 pp = self.servers.get(host, DEFAULT_PORTS)
193 if p not in pp.keys():
196 self.server_host.setText( host )
197 self.server_port.setText( port )
200 def server_changed(self, x):
202 self.change_server(str(x.text(0)), self.protocol)
204 def change_server(self, host, protocol):
206 pp = self.servers.get(host, DEFAULT_PORTS)
208 port = pp.get(protocol)
209 if not port: protocol = None
214 port = pp.get(protocol)
216 protocol = pp.keys()[0]
217 port = pp.get(protocol)
219 self.server_host.setText( host )
220 self.server_port.setText( port )
221 self.server_protocol.setCurrentIndex(protocol_letters.index(protocol))
223 if not self.servers: return
224 for p in protocol_letters:
225 i = protocol_letters.index(p)
226 j = self.server_protocol.model().index(i,0)
227 #if p not in pp.keys(): # and self.interface.is_connected:
228 # self.server_protocol.model().setData(j, QVariant(0), Qt.UserRole-1)
230 # self.server_protocol.model().setData(j, QVariant(33), Qt.UserRole-1)
238 server = ':'.join([str( self.server_host.text() ),
239 str( self.server_port.text() ),
240 (protocol_letters[self.server_protocol.currentIndex()]) ])
242 if self.proxy_mode.currentText() != 'NONE':
243 proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
244 'host':str(self.proxy_host.text()),
245 'port':str(self.proxy_port.text()) }
249 auto_connect = self.autocycle_cb.isChecked()
251 self.network.set_parameters(server, proxy, auto_connect)