662 lines
27 KiB
Python
662 lines
27 KiB
Python
#!/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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# 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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#
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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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#
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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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import socket
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import time
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from enum import IntEnum
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from typing import Tuple, TYPE_CHECKING
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import threading
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from PyQt6.QtCore import Qt, pyqtSignal, QThread
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from PyQt6.QtWidgets import (QTreeWidget, QTreeWidgetItem, QMenu, QGridLayout, QComboBox,
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QLineEdit, QDialog, QVBoxLayout, QHeaderView, QCheckBox,
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QTabWidget, QWidget, QLabel)
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from PyQt6.QtGui import QIntValidator
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from electrum.i18n import _
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from electrum import constants, blockchain, util
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from electrum.interface import ServerAddr, PREFERRED_NETWORK_PROTOCOL
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from electrum.network import Network
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from electrum.logging import get_logger
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from electrum.util import detect_tor_socks_proxy
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from electrum.simple_config import SimpleConfig
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from .util import (Buttons, CloseButton, HelpButton, read_QIcon, char_width_in_lineedit,
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PasswordLineEdit)
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from .util import QtEventListener, qt_event_listener
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_logger = get_logger(__name__)
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protocol_names = ['TCP', 'SSL']
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protocol_letters = 'ts'
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class NetworkDialog(QDialog, QtEventListener):
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def __init__(self, *, network: Network, config: 'SimpleConfig'):
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QDialog.__init__(self)
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self.setWindowTitle(_('Network'))
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self.setMinimumSize(500, 500)
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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(CloseButton(self)))
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self.register_callbacks()
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self._cleaned_up = False
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def show(self):
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super().show()
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if td := self.nlayout.td:
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td.trigger_rescan()
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@qt_event_listener
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def on_event_network_updated(self):
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self.nlayout.update()
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def clean_up(self):
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if self._cleaned_up:
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return
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self._cleaned_up = True
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self.nlayout.clean_up()
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self.unregister_callbacks()
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class NodesListWidget(QTreeWidget):
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"""List of connected servers."""
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SERVER_ADDR_ROLE = Qt.ItemDataRole.UserRole + 100
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CHAIN_ID_ROLE = Qt.ItemDataRole.UserRole + 101
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ITEMTYPE_ROLE = Qt.ItemDataRole.UserRole + 102
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class ItemType(IntEnum):
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CHAIN = 0
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CONNECTED_SERVER = 1
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DISCONNECTED_SERVER = 2
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TOPLEVEL = 3
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followServer = pyqtSignal([ServerAddr], arguments=['server'])
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followChain = pyqtSignal([str], arguments=['chain_id'])
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setServer = pyqtSignal([str], arguments=['server'])
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def __init__(self, *, network: Network):
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QTreeWidget.__init__(self)
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self.setHeaderLabels([_('Server'), _('Height')])
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self.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
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self.customContextMenuRequested.connect(self.create_menu)
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self.network = network
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def create_menu(self, position):
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item = self.currentItem()
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if not item:
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return
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item_type = item.data(0, self.ITEMTYPE_ROLE)
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menu = QMenu()
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if item_type in [self.ItemType.CONNECTED_SERVER, self.ItemType.DISCONNECTED_SERVER]:
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server = item.data(0, self.SERVER_ADDR_ROLE) # type: ServerAddr
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if item_type == self.ItemType.CONNECTED_SERVER:
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def do_follow_server():
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self.followServer.emit(server)
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menu.addAction(read_QIcon("chevron-right.png"), _("Use as server"), do_follow_server)
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elif item_type == self.ItemType.DISCONNECTED_SERVER:
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def do_set_server():
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self.setServer.emit(str(server))
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menu.addAction(read_QIcon("chevron-right.png"), _("Use as server"), do_set_server)
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def set_bookmark(*, add: bool):
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self.network.set_server_bookmark(server, add=add)
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self.update()
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if self.network.is_server_bookmarked(server):
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menu.addAction(read_QIcon("bookmark_remove.png"), _("Remove from bookmarks"), lambda: set_bookmark(add=False))
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else:
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menu.addAction(read_QIcon("bookmark_add.png"), _("Bookmark this server"), lambda: set_bookmark(add=True))
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elif item_type == self.ItemType.CHAIN:
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chain_id = item.data(0, self.CHAIN_ID_ROLE)
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def do_follow_chain():
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self.followChain.emit(chain_id)
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menu.addAction(_("Follow this branch"), do_follow_chain)
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else:
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return
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menu.exec(self.viewport().mapToGlobal(position))
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def keyPressEvent(self, event):
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if event.key() in [Qt.Key.Key_F2, Qt.Key.Key_Return, Qt.Key.Key_Enter]:
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self.on_activated(self.currentItem(), self.currentColumn())
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else:
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QTreeWidget.keyPressEvent(self, event)
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def on_activated(self, item, column):
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# on 'enter' we show the menu
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pt = self.visualItemRect(item).bottomLeft()
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pt.setX(50)
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self.customContextMenuRequested.emit(pt)
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def update(self):
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self.clear()
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network = self.network
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servers = self.network.get_servers()
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use_tor = bool(network.is_proxy_tor)
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# connected servers
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connected_servers_item = QTreeWidgetItem([_("Connected nodes"), ''])
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connected_servers_item.setData(0, self.ITEMTYPE_ROLE, self.ItemType.TOPLEVEL)
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chains = network.get_blockchains()
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n_chains = len(chains)
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for chain_id, interfaces in chains.items():
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b = blockchain.blockchains.get(chain_id)
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if b is None:
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continue
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name = b.get_name()
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if n_chains > 1:
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x = QTreeWidgetItem([name + '@%d'%b.get_max_forkpoint(), '%d'%b.height()])
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x.setData(0, self.ITEMTYPE_ROLE, self.ItemType.CHAIN)
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x.setData(0, self.CHAIN_ID_ROLE, b.get_id())
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else:
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x = connected_servers_item
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for i in interfaces:
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item = QTreeWidgetItem([f"{i.server.to_friendly_name()}", '%d'%i.tip])
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item.setData(0, self.ITEMTYPE_ROLE, self.ItemType.CONNECTED_SERVER)
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item.setData(0, self.SERVER_ADDR_ROLE, i.server)
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item.setToolTip(0, str(i.server))
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if i == network.interface:
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item.setIcon(0, read_QIcon("chevron-right.png"))
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elif network.is_server_bookmarked(i.server):
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item.setIcon(0, read_QIcon("bookmark.png"))
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x.addChild(item)
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if n_chains > 1:
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connected_servers_item.addChild(x)
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# disconnected servers
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disconnected_servers_item = QTreeWidgetItem([_("Other known servers"), ""])
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disconnected_servers_item.setData(0, self.ITEMTYPE_ROLE, self.ItemType.TOPLEVEL)
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connected_hosts = set([iface.host for ifaces in chains.values() for iface in ifaces])
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protocol = PREFERRED_NETWORK_PROTOCOL
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server_addrs = [
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ServerAddr(_host, port, protocol=protocol)
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for _host, d in servers.items()
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if (port := d.get(protocol))]
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server_addrs.sort(key=lambda x: (-network.is_server_bookmarked(x), str(x)))
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for server in server_addrs:
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if server.host in connected_hosts:
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continue
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if server.host.endswith('.onion') and not use_tor:
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continue
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item = QTreeWidgetItem([server.net_addr_str(), ""])
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item.setData(0, self.ITEMTYPE_ROLE, self.ItemType.DISCONNECTED_SERVER)
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item.setData(0, self.SERVER_ADDR_ROLE, server)
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if network.is_server_bookmarked(server):
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item.setIcon(0, read_QIcon("bookmark.png"))
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disconnected_servers_item.addChild(item)
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self.addTopLevelItem(connected_servers_item)
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self.addTopLevelItem(disconnected_servers_item)
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connected_servers_item.setExpanded(True)
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for i in range(connected_servers_item.childCount()):
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connected_servers_item.child(i).setExpanded(True)
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disconnected_servers_item.setExpanded(True)
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# headers
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h = self.header()
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h.setStretchLastSection(False)
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h.setSectionResizeMode(0, QHeaderView.ResizeMode.Stretch)
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h.setSectionResizeMode(1, QHeaderView.ResizeMode.ResizeToContents)
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super().update()
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class NetworkChoiceLayout(object):
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# TODO consolidate to ProxyWidget+ServerWidget
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# TODO TorDetector is unnecessary, Network tests socks5 peer and detects Tor
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# TODO apply on editingFinished is not ideal, separate Apply button and on Close?
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def __init__(self, network: Network, config: 'SimpleConfig', wizard=False):
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self.network = network
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self.config = config
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self.tor_proxy = None
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self.tabs = tabs = QTabWidget()
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self._proxy_tab = proxy_tab = QWidget()
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blockchain_tab = QWidget()
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tabs.addTab(blockchain_tab, _('Overview'))
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tabs.addTab(proxy_tab, _('Proxy'))
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tabs.currentChanged.connect(self._on_tab_changed)
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fixed_width_hostname = 24 * char_width_in_lineedit()
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fixed_width_port = 6 * char_width_in_lineedit()
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# Proxy tab
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grid = QGridLayout(proxy_tab)
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grid.setSpacing(8)
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# proxy setting
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self.proxy_cb = QCheckBox(_('Use proxy'))
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self.proxy_cb.clicked.connect(self.check_disable_proxy)
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self.proxy_cb.clicked.connect(self.set_proxy)
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self.proxy_mode = QComboBox()
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self.proxy_mode.addItems(['SOCKS4', 'SOCKS5'])
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self.proxy_host = QLineEdit()
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self.proxy_host.setFixedWidth(fixed_width_hostname)
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self.proxy_port = QLineEdit()
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self.proxy_port.setFixedWidth(fixed_width_port)
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self.proxy_port_validator = QIntValidator(1, 65535)
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self.proxy_port.setValidator(self.proxy_port_validator)
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self.proxy_user = QLineEdit()
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self.proxy_user.setPlaceholderText(_("Proxy user"))
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self.proxy_password = PasswordLineEdit()
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self.proxy_password.setPlaceholderText(_("Password"))
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self.proxy_password.setFixedWidth(fixed_width_port)
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self.proxy_mode.currentIndexChanged.connect(self.set_proxy)
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self.proxy_host.editingFinished.connect(self.set_proxy)
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self.proxy_port.editingFinished.connect(self.set_proxy)
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self.proxy_user.editingFinished.connect(self.set_proxy)
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self.proxy_password.editingFinished.connect(self.set_proxy)
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self.proxy_mode.currentIndexChanged.connect(self.proxy_settings_changed)
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self.proxy_host.textEdited.connect(self.proxy_settings_changed)
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self.proxy_port.textEdited.connect(self.proxy_settings_changed)
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self.proxy_user.textEdited.connect(self.proxy_settings_changed)
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self.proxy_password.textEdited.connect(self.proxy_settings_changed)
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self.tor_cb = QCheckBox(_("Use Tor Proxy"))
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self.tor_cb.setIcon(read_QIcon("tor_logo.png"))
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self.tor_cb.hide()
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self.tor_cb.clicked.connect(self.use_tor_proxy)
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grid.addWidget(self.tor_cb, 1, 0, 1, 3)
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grid.addWidget(self.proxy_cb, 2, 0, 1, 3)
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grid.addWidget(HelpButton(_('Proxy settings apply to all connections: with Electrum servers, but also with third-party services.')), 2, 4)
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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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grid.addWidget(self.proxy_user, 5, 2)
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grid.addWidget(self.proxy_password, 5, 3)
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grid.setRowStretch(7, 1)
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# Blockchain Tab
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grid = QGridLayout(blockchain_tab)
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msg = ' '.join([
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_("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 your transaction server.")
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])
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self.status_label = QLabel('')
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grid.addWidget(QLabel(_('Status') + ':'), 0, 0)
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grid.addWidget(self.status_label, 0, 1, 1, 3)
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grid.addWidget(HelpButton(msg), 0, 4)
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self.autoconnect_cb = QCheckBox(_('Select server automatically'))
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self.autoconnect_cb.setEnabled(self.config.cv.NETWORK_AUTO_CONNECT.is_modifiable())
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self.autoconnect_cb.clicked.connect(self.set_server)
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self.autoconnect_cb.clicked.connect(self.update)
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msg = ' '.join([
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_("If auto-connect is enabled, Electrum will always use a server that is on the longest blockchain."),
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_("If it is disabled, you have to choose a server you want to use. Electrum will warn you if your server is lagging.")
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])
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grid.addWidget(self.autoconnect_cb, 1, 0, 1, 3)
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grid.addWidget(HelpButton(msg), 1, 4)
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self.server_e = QLineEdit()
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self.server_e.setFixedWidth(fixed_width_hostname + fixed_width_port)
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self.server_e.editingFinished.connect(self.set_server)
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msg = _("Electrum sends your wallet addresses to a single server, in order to receive your transaction history.")
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grid.addWidget(QLabel(_('Server') + ':'), 2, 0)
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grid.addWidget(self.server_e, 2, 1, 1, 3)
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grid.addWidget(HelpButton(msg), 2, 4)
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self.height_label = QLabel('')
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msg = _('This is the height of your local copy of the blockchain.')
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grid.addWidget(QLabel(_('Blockchain') + ':'), 3, 0)
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grid.addWidget(self.height_label, 3, 1)
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grid.addWidget(HelpButton(msg), 3, 4)
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self.split_label = QLabel('')
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grid.addWidget(self.split_label, 4, 0, 1, 3)
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self.nodes_list_widget = NodesListWidget(network=self.network)
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self.nodes_list_widget.followServer.connect(self.follow_server)
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self.nodes_list_widget.followChain.connect(self.follow_branch)
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def do_set_server(server):
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self.server_e.setText(server)
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self.set_server()
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self.nodes_list_widget.setServer.connect(do_set_server)
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grid.addWidget(self.nodes_list_widget, 6, 0, 1, 5)
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vbox = QVBoxLayout()
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vbox.addWidget(tabs)
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self.layout_ = vbox
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# tor detector
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self.td = td = TorDetector()
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td.found_proxy.connect(self.suggest_proxy)
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td.start()
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self.fill_in_proxy_settings()
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self.update()
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def clean_up(self):
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if self.td:
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self.td.found_proxy.disconnect()
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self.td.stop()
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self.td = None
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def check_disable_proxy(self, b):
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if not self.config.cv.NETWORK_PROXY.is_modifiable():
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b = False
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for w in [self.proxy_mode, self.proxy_host, self.proxy_port, self.proxy_user, self.proxy_password]:
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w.setEnabled(b)
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def enable_set_server(self):
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if self.config.cv.NETWORK_SERVER.is_modifiable():
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enabled = not self.autoconnect_cb.isChecked()
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self.server_e.setEnabled(enabled)
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else:
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for w in [self.autoconnect_cb, self.server_e, self.nodes_list_widget]:
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w.setEnabled(False)
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def update(self):
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net_params = self.network.get_parameters()
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server = net_params.server
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auto_connect = net_params.auto_connect
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if not self.server_e.hasFocus():
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self.server_e.setText(server.to_friendly_name())
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self.autoconnect_cb.setChecked(auto_connect)
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height_str = "%d "%(self.network.get_local_height()) + _('blocks')
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self.height_label.setText(height_str)
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self.status_label.setText(self.network.get_status())
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chains = self.network.get_blockchains()
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if len(chains) > 1:
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chain = self.network.blockchain()
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forkpoint = chain.get_max_forkpoint()
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name = chain.get_name()
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msg = _('Chain split detected at block {0}').format(forkpoint) + '\n'
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msg += (_('You are following branch') if auto_connect else _('Your server is on branch'))+ ' ' + name
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msg += ' (%d %s)' % (chain.get_branch_size(), _('blocks'))
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else:
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msg = ''
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self.split_label.setText(msg)
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self.nodes_list_widget.update()
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self.enable_set_server()
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def fill_in_proxy_settings(self):
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proxy_config = self.network.get_parameters().proxy
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if not proxy_config:
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proxy_config = {"mode": "none", "host": "localhost", "port": "9050"}
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b = proxy_config.get('mode') != "none"
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self.check_disable_proxy(b)
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if b:
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self.proxy_cb.setChecked(True)
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self.proxy_mode.setCurrentIndex(
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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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self.proxy_user.setText(proxy_config.get("user", ""))
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self.proxy_password.setText(proxy_config.get("password", ""))
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def layout(self):
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return self.layout_
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def follow_branch(self, chain_id):
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self.network.run_from_another_thread(self.network.follow_chain_given_id(chain_id))
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self.update()
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def follow_server(self, server: ServerAddr):
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self.network.run_from_another_thread(self.network.follow_chain_given_server(server))
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self.update()
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def accept(self):
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pass
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def set_server(self):
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net_params = self.network.get_parameters()
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try:
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server = ServerAddr.from_str_with_inference(str(self.server_e.text()))
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if not server: raise Exception("failed to parse")
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except Exception:
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return
|
|
net_params = net_params._replace(server=server,
|
|
auto_connect=self.autoconnect_cb.isChecked())
|
|
self.network.run_from_another_thread(self.network.set_parameters(net_params))
|
|
|
|
def set_proxy(self):
|
|
net_params = self.network.get_parameters()
|
|
if self.proxy_cb.isChecked():
|
|
if not self.proxy_port.hasAcceptableInput():
|
|
return
|
|
proxy = {'mode':str(self.proxy_mode.currentText()).lower(),
|
|
'host':str(self.proxy_host.text()),
|
|
'port':str(self.proxy_port.text()),
|
|
'user':str(self.proxy_user.text()),
|
|
'password':str(self.proxy_password.text())}
|
|
else:
|
|
proxy = None
|
|
self.tor_cb.setChecked(False)
|
|
net_params = net_params._replace(proxy=proxy)
|
|
self.network.run_from_another_thread(self.network.set_parameters(net_params))
|
|
|
|
def _on_tab_changed(self):
|
|
if self.tabs.currentWidget() is self._proxy_tab:
|
|
self.td.trigger_rescan()
|
|
|
|
def suggest_proxy(self, found_proxy):
|
|
if found_proxy is None:
|
|
self.tor_cb.hide()
|
|
return
|
|
self.tor_proxy = found_proxy
|
|
self.tor_cb.setText(_("Use Tor proxy at port {}").format(str(found_proxy[1])))
|
|
if (self.proxy_cb.isChecked()
|
|
and self.proxy_mode.currentIndex() == self.proxy_mode.findText('SOCKS5')
|
|
and self.proxy_host.text() == "127.0.0.1"
|
|
and self.proxy_port.text() == str(found_proxy[1])):
|
|
self.tor_cb.setChecked(True)
|
|
self.tor_cb.show()
|
|
|
|
def use_tor_proxy(self, use_it):
|
|
if not use_it:
|
|
self.proxy_cb.setChecked(False)
|
|
else:
|
|
socks5_mode_index = self.proxy_mode.findText('SOCKS5')
|
|
if socks5_mode_index == -1:
|
|
_logger.info("can't find proxy_mode 'SOCKS5'")
|
|
return
|
|
self.proxy_mode.setCurrentIndex(socks5_mode_index)
|
|
self.proxy_host.setText("127.0.0.1")
|
|
self.proxy_port.setText(str(self.tor_proxy[1]))
|
|
self.proxy_user.setText("")
|
|
self.proxy_password.setText("")
|
|
self.tor_cb.setChecked(True)
|
|
self.proxy_cb.setChecked(True)
|
|
self.check_disable_proxy(use_it)
|
|
self.set_proxy()
|
|
|
|
def proxy_settings_changed(self):
|
|
self.tor_cb.setChecked(False)
|
|
|
|
|
|
class TorDetector(QThread):
|
|
found_proxy = pyqtSignal(object)
|
|
|
|
def __init__(self):
|
|
QThread.__init__(self)
|
|
self._work_to_do_evt = threading.Event()
|
|
self._stopping = False
|
|
|
|
def run(self):
|
|
while True:
|
|
# do rescan
|
|
net_addr = detect_tor_socks_proxy()
|
|
self.found_proxy.emit(net_addr)
|
|
# wait until triggered
|
|
self._work_to_do_evt.wait()
|
|
self._work_to_do_evt.clear()
|
|
if self._stopping:
|
|
return
|
|
|
|
def trigger_rescan(self) -> None:
|
|
self._work_to_do_evt.set()
|
|
|
|
def stop(self):
|
|
self._stopping = True
|
|
self._work_to_do_evt.set()
|
|
self.exit()
|
|
self.wait()
|
|
|
|
|
|
class ProxyWidget(QWidget):
|
|
def __init__(self, parent=None):
|
|
super().__init__(parent)
|
|
|
|
fixed_width_hostname = 24 * char_width_in_lineedit()
|
|
fixed_width_port = 6 * char_width_in_lineedit()
|
|
|
|
grid = QGridLayout(self)
|
|
grid.setSpacing(8)
|
|
|
|
# proxy setting.
|
|
self.proxy_cb = QCheckBox(_('Use proxy'))
|
|
self.proxy_mode = QComboBox()
|
|
self.proxy_mode.addItems(['SOCKS4', 'SOCKS5'])
|
|
self.proxy_mode.setCurrentIndex(1)
|
|
self.proxy_host = QLineEdit()
|
|
self.proxy_host.setFixedWidth(fixed_width_hostname)
|
|
self.proxy_port = QLineEdit()
|
|
self.proxy_port.setFixedWidth(fixed_width_port)
|
|
self.proxy_user = QLineEdit()
|
|
self.proxy_user.setPlaceholderText(_("Proxy user"))
|
|
self.proxy_password = PasswordLineEdit()
|
|
self.proxy_password.setPlaceholderText(_("Password"))
|
|
self.proxy_password.setFixedWidth(fixed_width_port)
|
|
|
|
grid.addWidget(self.proxy_cb, 0, 0, 1, 3)
|
|
grid.addWidget(HelpButton(_('Proxy settings apply to all connections: with Electrum servers, but also with third-party services.')), 0, 4)
|
|
grid.addWidget(self.proxy_mode, 1, 1)
|
|
grid.addWidget(self.proxy_host, 1, 2)
|
|
grid.addWidget(self.proxy_port, 1, 3)
|
|
grid.addWidget(self.proxy_user, 2, 2)
|
|
grid.addWidget(self.proxy_password, 2, 3)
|
|
|
|
def get_proxy_settings(self):
|
|
return {
|
|
'enabled': self.proxy_cb.isChecked(),
|
|
'mode': ['socks4', 'socks5'][self.proxy_mode.currentIndex()],
|
|
'host': self.proxy_host.text(),
|
|
'port': self.proxy_port.text(),
|
|
'user': self.proxy_user.text(),
|
|
'password': self.proxy_password.text()
|
|
}
|
|
|
|
|
|
class ServerWidget(QWidget, QtEventListener):
|
|
def __init__(self, network, parent=None):
|
|
super().__init__(parent)
|
|
self.network = network
|
|
self.config = network.config
|
|
|
|
fixed_width_hostname = 24 * char_width_in_lineedit()
|
|
fixed_width_port = 6 * char_width_in_lineedit()
|
|
|
|
self.setLayout(QVBoxLayout())
|
|
|
|
grid = QGridLayout(self)
|
|
|
|
msg = ' '.join([
|
|
_("Electrum connects to several nodes in order to download block headers and find out the longest blockchain."),
|
|
_("This blockchain is used to verify the transactions sent by your transaction server.")
|
|
])
|
|
self.status_label = QLabel('')
|
|
grid.addWidget(QLabel(_('Status') + ':'), 0, 0)
|
|
grid.addWidget(self.status_label, 0, 1, 1, 3)
|
|
grid.addWidget(HelpButton(msg), 0, 4)
|
|
|
|
self.autoconnect_cb = QCheckBox(_('Select server automatically'))
|
|
self.autoconnect_cb.setEnabled(self.config.cv.NETWORK_AUTO_CONNECT.is_modifiable())
|
|
msg = ' '.join([
|
|
_("If auto-connect is enabled, Electrum will always use a server that is on the longest blockchain."),
|
|
_("If it is disabled, you have to choose a server you want to use. Electrum will warn you if your server is lagging.")
|
|
])
|
|
grid.addWidget(self.autoconnect_cb, 1, 0, 1, 3)
|
|
grid.addWidget(HelpButton(msg), 1, 4)
|
|
|
|
self.server_e = QLineEdit()
|
|
self.server_e.setFixedWidth(fixed_width_hostname + fixed_width_port)
|
|
msg = _("Electrum sends your wallet addresses to a single server, in order to receive your transaction history.")
|
|
grid.addWidget(QLabel(_('Server') + ':'), 2, 0)
|
|
grid.addWidget(self.server_e, 2, 1, 1, 3)
|
|
grid.addWidget(HelpButton(msg), 2, 4)
|
|
|
|
self.height_label = QLabel('')
|
|
msg = _('This is the height of your local copy of the blockchain.')
|
|
grid.addWidget(QLabel(_('Blockchain') + ':'), 3, 0)
|
|
grid.addWidget(self.height_label, 3, 1)
|
|
grid.addWidget(HelpButton(msg), 3, 4)
|
|
|
|
self.split_label = QLabel('')
|
|
grid.addWidget(self.split_label, 4, 0, 1, 3)
|
|
|
|
self.layout().addLayout(grid)
|
|
|
|
self.nodes_list_widget = NodesListWidget(network=self.network)
|
|
self.nodes_list_widget.followServer.connect(self.follow_server)
|
|
self.nodes_list_widget.followChain.connect(self.follow_branch)
|
|
|
|
def do_set_server(server):
|
|
self.server_e.setText(server)
|
|
self.set_server()
|
|
self.nodes_list_widget.setServer.connect(do_set_server)
|
|
|
|
self.layout().addWidget(self.nodes_list_widget)
|
|
self.nodes_list_widget.update()
|
|
|
|
self.register_callbacks()
|
|
self.destroyed.connect(lambda: self.unregister_callbacks())
|
|
|
|
@qt_event_listener
|
|
def on_event_network_updated(self):
|
|
self.nodes_list_widget.update()
|
|
|
|
def follow_branch(self, chain_id):
|
|
self.network.run_from_another_thread(self.network.follow_chain_given_id(chain_id))
|
|
self.update()
|
|
|
|
def follow_server(self, server: ServerAddr):
|
|
self.server_e.setText(str(server))
|
|
self.network.run_from_another_thread(self.network.follow_chain_given_server(server))
|
|
self.update()
|
|
|
|
def set_server(self):
|
|
net_params = self.network.get_parameters()
|
|
try:
|
|
server = ServerAddr.from_str_with_inference(str(self.server_e.text()))
|
|
if not server:
|
|
raise Exception("failed to parse server")
|
|
except Exception:
|
|
return
|
|
net_params = net_params._replace(server=server,
|
|
auto_connect=self.autoconnect_cb.isChecked())
|
|
self.network.run_from_another_thread(self.network.set_parameters(net_params))
|