You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

124 lines
4.5 KiB

# -*- coding: utf-8 -*-
import binascii, base64
from PyQt5 import QtCore, QtWidgets
from collections import OrderedDict
import logging
import traceback
# https://api.lightning.community/#listchannels
mapping = {0: "chan_id"}
revMapp = {"chan_id": 0}
datatable = OrderedDict([])
class MyTableRow(QtWidgets.QTreeWidgetItem):
def __init__(self, di):
strs = [str(di[mapping[key]]) for key in range(len(mapping))]
super(MyTableRow, self).__init__(strs)
assert isinstance(di, dict)
self.di = di
def __getitem__(self, idx):
return self.di[idx]
def __setitem__(self, idx, val):
self.di[idx] = val
try:
self.setData(revMapp[idx], QtCore.Qt.DisplayRole, '{0}'.format(val))
except KeyError:
logging.warning("Lightning Channel field %s unknown", idx)
def __str__(self):
return str(self.di)
def addChannelRow(new):
made = MyTableRow(new)
datatable[new["chan_id"]] = made
datatable.move_to_end(new["chan_id"], last=False)
return made
class LightningChannelsList(QtWidgets.QWidget):
update_rows = QtCore.pyqtSignal(dict)
update_single_row = QtCore.pyqtSignal(dict)
def open_channel(self, nodeIdInput, local_amt_inp, push_amt_inp, password):
node_id = str(nodeIdInput.text())
print("creating channel with {}".format(node_id))
local_amt = int(local_amt_inp.text())
push_amt = int(push_amt_inp.text())
assert local_amt >= 200000
assert local_amt >= push_amt
obj = self.lnworker.open_channel_from_other_thread(node_id, local_amt, push_amt, self.update_rows.emit, password)
@QtCore.pyqtSlot(dict)
def do_update_single_row(self, new):
try:
obj = datatable[new["chan_id"]]
except KeyError:
print("lightning chan_id {} unknown!".format(new["chan_id"]))
else:
for k, v in new.items():
try:
if obj[k] != v: obj[k] = v
except KeyError:
obj[k] = v
def create_menu(self, position):
menu = QtWidgets.QMenu()
cur = self._tv.currentItem()
def close():
print("closechannel result", lnworker.close_channel_from_other_thread(cur.di))
menu.addAction("Close channel", close)
menu.exec_(self._tv.viewport().mapToGlobal(position))
@QtCore.pyqtSlot(dict)
def do_update_rows(self, obj):
self._tv.clear()
for i in obj["channels"]:
self._tv.insertTopLevelItem(0, addChannelRow(i))
def __init__(self, parent, lnworker):
QtWidgets.QWidget.__init__(self, parent)
self.main_window = parent
self.update_rows.connect(self.do_update_rows)
self.update_single_row.connect(self.do_update_single_row)
self.lnworker = lnworker
lnworker.subscribe_channel_list_updates_from_other_thread(self.update_rows.emit)
lnworker.subscribe_single_channel_update_from_other_thread(self.update_single_row.emit)
self._tv=QtWidgets.QTreeWidget(self)
self._tv.setHeaderLabels([mapping[i] for i in range(len(mapping))])
self._tv.setColumnCount(len(mapping))
self._tv.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self._tv.customContextMenuRequested.connect(self.create_menu)
nodeid_inp = QtWidgets.QLineEdit(self)
local_amt_inp = QtWidgets.QLineEdit(self, text='200000')
push_amt_inp = QtWidgets.QLineEdit(self, text='0')
button = QtWidgets.QPushButton('Open channel', self)
button.clicked.connect(lambda: self.main_window.protect(self.open_channel, (nodeid_inp, local_amt_inp, push_amt_inp)))
l=QtWidgets.QVBoxLayout(self)
h=QtWidgets.QGridLayout(self)
nodeid_label = QtWidgets.QLabel(self)
nodeid_label.setText("Node ID")
local_amt_label = QtWidgets.QLabel(self)
local_amt_label.setText("Local amount (sat)")
push_amt_label = QtWidgets.QLabel(self)
push_amt_label.setText("Push amount (sat)")
h.addWidget(nodeid_label, 0, 0)
h.addWidget(local_amt_label, 0, 1)
h.addWidget(push_amt_label, 0, 2)
h.addWidget(nodeid_inp, 1, 0)
h.addWidget(local_amt_inp, 1, 1)
h.addWidget(push_amt_inp, 1, 2)
h.addWidget(button, 1, 3)
h.setColumnStretch(0, 3)
h.setColumnStretch(1, 1)
h.setColumnStretch(2, 1)
h.setColumnStretch(3, 1)
l.addLayout(h)
l.addWidget(self._tv)
self.resize(2500,1000)