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
46 n = len(network.interfaces)
48 status = _("Blockchain") + ": " + "%d "%(network.blockchain.height()) + _("blocks") + ".\n" + _("Getting block headers from %d nodes.")%n
50 status = _("Not connected")
52 if network.is_connected():
53 status += "\n" + _("Server") + ": %s"%(network.interface.host)
55 status += "\n" + _("Disconnected from server")
59 status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.")
61 server = network.default_server
62 self.servers = network.get_servers()
70 l.setPixmap(QPixmap(":icons/network.png"))
73 hbox.addWidget(QLabel(status))
75 msg = _("Electrum sends your wallet addresses to a single server, in order to receive your transaction history.") + "\n\n" \
76 + _("In addition, Electrum connects to several nodes in order to download block headers and find out the longest blockchain.") + " " \
77 + _("This blockchain is used to verify the transactions sent by the address server.")
78 hbox.addWidget(HelpButton(msg))
87 self.server_protocol = QComboBox()
88 self.server_host = QLineEdit()
89 self.server_host.setFixedWidth(200)
90 self.server_port = QLineEdit()
91 self.server_port.setFixedWidth(60)
92 self.server_protocol.addItems(protocol_names)
93 self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
95 grid.addWidget(QLabel(_('Protocol') + ':'), 3, 0)
96 grid.addWidget(self.server_protocol, 3, 1)
100 grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
103 self.autocycle_cb = QCheckBox(_('Auto-connect'))
104 self.autocycle_cb.setChecked(self.config.get('auto_cycle', True))
105 grid.addWidget(self.autocycle_cb, 0, 1)
106 if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False)
107 msg = _("If auto-connect is enabled, Electrum will always use a server that is on the longest blockchain.") + " " \
108 + _("If it is disabled, Electrum will warn you if your server is lagging.")
109 grid.addWidget(HelpButton(msg), 0, 4)
111 grid.addWidget(self.server_host, 0, 2, 1, 2)
112 grid.addWidget(self.server_port, 0, 3)
115 label = _('Active Servers') if network.irc_servers else _('Default Servers')
116 self.servers_list_widget = QTreeWidget(parent)
117 self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
118 self.servers_list_widget.setMaximumHeight(150)
119 self.servers_list_widget.setColumnWidth(0, 240)
122 host, port, protocol = server.split(':')
123 self.change_server(host, protocol)
125 self.set_protocol(self.network.protocol)
127 self.servers_list_widget.connect(self.servers_list_widget,
128 SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
129 lambda x,y: self.server_changed(x))
130 grid.addWidget(self.servers_list_widget, 1, 1, 1, 3)
132 if not config.is_modifiable('server'):
133 for w in [self.server_host, self.server_port, self.server_protocol, self.servers_list_widget]: w.setEnabled(False)
137 def enable_set_server():
138 enabled = not self.autocycle_cb.isChecked()
139 self.server_host.setEnabled(enabled)
140 self.server_port.setEnabled(enabled)
141 self.servers_list_widget.setEnabled(enabled)
143 self.autocycle_cb.clicked.connect(enable_set_server)
147 self.proxy_mode = QComboBox()
148 self.proxy_host = QLineEdit()
149 self.proxy_host.setFixedWidth(200)
150 self.proxy_port = QLineEdit()
151 self.proxy_port.setFixedWidth(60)
152 self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
154 def check_for_disable(index = False):
155 if self.proxy_mode.currentText() != 'NONE':
156 self.proxy_host.setEnabled(True)
157 self.proxy_port.setEnabled(True)
159 self.proxy_host.setEnabled(False)
160 self.proxy_port.setEnabled(False)
163 self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
165 if not self.config.is_modifiable('proxy'):
166 for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
168 proxy_config = network.proxy if network.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
169 self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
170 self.proxy_host.setText(proxy_config.get("host"))
171 self.proxy_port.setText(proxy_config.get("port"))
173 grid.addWidget(QLabel(_('Proxy') + ':'), 4, 0)
174 grid.addWidget(self.proxy_mode, 4, 1)
175 grid.addWidget(self.proxy_host, 4, 2)
176 grid.addWidget(self.proxy_port, 4, 3)
179 vbox.addLayout(ok_cancel_buttons(self))
183 def init_servers_list(self):
184 self.servers_list_widget.clear()
185 for _host, d in self.servers.items():
186 if d.get(self.protocol):
187 pruning_level = d.get('pruning','')
188 self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
191 def set_protocol(self, protocol):
192 if protocol != self.protocol:
193 self.protocol = protocol
194 self.init_servers_list()
196 def change_protocol(self, index):
197 p = protocol_letters[index]
198 host = unicode(self.server_host.text())
199 pp = self.servers.get(host, DEFAULT_PORTS)
200 if p not in pp.keys():
203 self.server_host.setText( host )
204 self.server_port.setText( port )
207 def server_changed(self, x):
209 self.change_server(str(x.text(0)), self.protocol)
211 def change_server(self, host, protocol):
213 pp = self.servers.get(host, DEFAULT_PORTS)
215 port = pp.get(protocol)
216 if not port: protocol = None
221 port = pp.get(protocol)
223 protocol = pp.keys()[0]
224 port = pp.get(protocol)
226 self.server_host.setText( host )
227 self.server_port.setText( port )
228 self.server_protocol.setCurrentIndex(protocol_letters.index(protocol))
230 if not self.servers: return
231 for p in protocol_letters:
232 i = protocol_letters.index(p)
233 j = self.server_protocol.model().index(i,0)
234 #if p not in pp.keys(): # and self.interface.is_connected:
235 # self.server_protocol.model().setData(j, QVariant(0), Qt.UserRole-1)
237 # self.server_protocol.model().setData(j, QVariant(33), Qt.UserRole-1)
245 host = str( self.server_host.text() )
246 port = str( self.server_port.text() )
247 protocol = protocol_letters[self.server_protocol.currentIndex()]
249 if self.proxy_mode.currentText() != 'NONE':
250 proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
251 'host':str(self.proxy_host.text()),
252 'port':str(self.proxy_port.text()) }
256 auto_connect = self.autocycle_cb.isChecked()
258 self.network.set_parameters(host, port, protocol, proxy, auto_connect)