URI: 
       tintegrate channels_list with existing framework - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit bf6d28e1f0146d8de0359e05e9ea64cd999fdd90
   DIR parent 4fe912f4b3a05c2dc2a5cbe3bde17f29021bd6af
  HTML Author: ThomasV <thomasv@electrum.org>
       Date:   Sun,  3 Jun 2018 10:07:56 +0200
       
       integrate channels_list with existing framework
       
       Diffstat:
         M electrum/gui/qt/main_window.py      |      40 ++++++++++++++++---------------
         A gui/qt/channels_list.py             |      76 +++++++++++++++++++++++++++++++
         D gui/qt/lightning_channels_list.py   |     124 -------------------------------
         D gui/qt/lightning_invoice_list.py    |     153 -------------------------------
         M lib/lnworker.py                     |      23 +++--------------------
       
       5 files changed, 100 insertions(+), 316 deletions(-)
       ---
   DIR diff --git a/electrum/gui/qt/main_window.py b/electrum/gui/qt/main_window.py
       t@@ -88,7 +88,7 @@ from .util import (read_QIcon, ColorScheme, text_dialog, icon_path, WaitingDialo
        from .installwizard import WIF_HELP_TEXT
        from .history_list import HistoryList, HistoryModel
        from .update_checker import UpdateCheck, UpdateCheckThread
       -from .lightning_channels_list import LightningChannelsList
       +from .channels_list import ChannelsList
        
        
        class StatusBarButton(QPushButton):
       t@@ -172,12 +172,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                self.utxo_tab = self.create_utxo_tab()
                self.console_tab = self.create_console_tab()
                self.contacts_tab = self.create_contacts_tab()
       +        self.channels_tab = self.create_channels_tab(wallet)
                tabs.addTab(self.create_history_tab(), QIcon(":icons/tab_history.png"), _('History'))
                tabs.addTab(self.send_tab, QIcon(":icons/tab_send.png"), _('Send'))
                tabs.addTab(self.receive_tab, QIcon(":icons/tab_receive.png"), _('Receive'))
       -        if config.get("lnbase", False):
       -            self.lightning_channels_tab = self.create_lightning_channels_tab(wallet)
       -            tabs.addTab(self.lightning_channels_tab, QIcon(":icons/lightning.png"), _("Channels"))
        
                def add_optional_tab(tabs, tab, icon, description, name):
                    tab.tab_icon = icon
       t@@ -188,6 +186,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                        tabs.addTab(tab, icon, description.replace("&", ""))
        
                add_optional_tab(tabs, self.addresses_tab, read_QIcon("tab_addresses.png"), _("&Addresses"), "addresses")
       +        add_optional_tab(tabs, self.channels_tab, QIcon("lightning.png"), _("Channels"), "channels")
                add_optional_tab(tabs, self.utxo_tab, read_QIcon("tab_coins.png"), _("Co&ins"), "utxo")
                add_optional_tab(tabs, self.contacts_tab, read_QIcon("tab_contacts.png"), _("Con&tacts"), "contacts")
                add_optional_tab(tabs, self.console_tab, read_QIcon("tab_console.png"), _("Con&sole"), "console")
       t@@ -221,7 +220,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                    self.network_signal.connect(self.on_network_qt)
                    interests = ['wallet_updated', 'network_updated', 'blockchain_updated',
                                 'new_transaction', 'status',
       -                         'banner', 'verified', 'fee', 'fee_histogram']
       +                         'banner', 'verified', 'fee', 'fee_histogram', 'on_quotes',
       +                         'on_history', 'channel', 'channels']
                    # To avoid leaking references to "self" that prevent the
                    # window from being GC-ed when closed, callbacks should be
                    # methods of this class only, and specifically not be
       t@@ -229,8 +229,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                    self.network.register_callback(self.on_network, interests)
                    # set initial message
                    self.console.showMessage(self.network.banner)
       -            self.network.register_callback(self.on_quotes, ['on_quotes'])
       -            self.network.register_callback(self.on_history, ['on_history'])
                    self.new_fx_quotes_signal.connect(self.on_fx_quotes)
                    self.new_fx_history_signal.connect(self.on_fx_history)
        
       t@@ -259,10 +257,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                    self._update_check_thread.checked.connect(on_version_received)
                    self._update_check_thread.start()
        
       -    def on_history(self, b):
       -        self.wallet.clear_coin_price_cache()
       -        self.new_fx_history_signal.emit()
       -
            def setup_exception_hook(self):
                Exception_Hook(self)
        
       t@@ -270,9 +264,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                self.history_model.refresh('fx_history')
                self.address_list.update()
        
       -    def on_quotes(self, b):
       -        self.new_fx_quotes_signal.emit()
       -
            def on_fx_quotes(self):
                self.update_status()
                # Refresh edits with the new rate
       t@@ -370,6 +361,14 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                elif event in ['status', 'banner', 'verified', 'fee', 'fee_histogram']:
                    # Handle in GUI thread
                    self.network_signal.emit(event, args)
       +        elif event == 'on_quotes':
       +            self.new_fx_quotes_signal.emit()
       +        elif event == 'on_history':
       +            self.new_fx_history_signal.emit()
       +        elif event == 'channels':
       +            self.channels_list.update_rows.emit(*args)
       +        elif event == 'channel':
       +            self.channels_list.update_single_row.emit(*args)
                else:
                    self.logger.info(f"unexpected network message: {event} {args}")
        
       t@@ -416,6 +415,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
            def load_wallet(self, wallet):
                wallet.thread = TaskThread(self, self.on_error)
                self.update_recently_visited(wallet.storage.path)
       +        wallet.lnworker.on_channels_updated()
                self.need_update.set()
                # Once GUI has been initialized check if we want to announce something since the callback has been called before the GUI was initialized
                # update menus
       t@@ -609,6 +609,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                view_menu = menubar.addMenu(_("&View"))
                add_toggle_action(view_menu, self.addresses_tab)
                add_toggle_action(view_menu, self.utxo_tab)
       +        add_toggle_action(view_menu, self.channels_tab)
                add_toggle_action(view_menu, self.contacts_tab)
                add_toggle_action(view_menu, self.console_tab)
        
       t@@ -877,9 +878,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                self.invoice_list.update()
                self.update_completions()
        
       -    def create_lightning_channels_tab(self, wallet):
       -        self.lightning_channels_list = LightningChannelsList(self, wallet.lnworker)
       -        return self.lightning_channels_list
       +    def create_channels_tab(self, wallet):
       +        self.channels_list = ChannelsList(self)
       +        t = self.channels_list.get_toolbar()
       +        return self.create_list_tab(self.channels_list, t)
        
            def create_history_tab(self):
                self.history_model = HistoryModel(self)
       t@@ -1955,8 +1957,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
                w.searchable_list = l
                vbox = QVBoxLayout()
                w.setLayout(vbox)
       -        vbox.setContentsMargins(0, 0, 0, 0)
       -        vbox.setSpacing(0)
       +        #vbox.setContentsMargins(0, 0, 0, 0)
       +        #vbox.setSpacing(0)
                if toolbar:
                    vbox.addLayout(toolbar)
                vbox.addWidget(l)
   DIR diff --git a/gui/qt/channels_list.py b/gui/qt/channels_list.py
       t@@ -0,0 +1,76 @@
       +# -*- coding: utf-8 -*-
       +from PyQt5 import QtCore, QtWidgets
       +from electrum.util import inv_dict, bh2u
       +from electrum.i18n import _
       +from .util import MyTreeWidget, SortableTreeWidgetItem
       +
       +class ChannelsList(MyTreeWidget):
       +    update_rows = QtCore.pyqtSignal(list)
       +    update_single_row = QtCore.pyqtSignal(dict)
       +
       +    def __init__(self, parent):
       +        MyTreeWidget.__init__(self, parent, self.create_menu, [_('Node ID'), _('Capacity'), _('Balance')], 0)
       +        self.main_window = parent
       +        self.update_rows.connect(self.do_update_rows)
       +        self.update_single_row.connect(self.do_update_single_row)
       +
       +    def format_fields(self, chan):
       +        return [bh2u(chan.node_id), self.parent.format_amount(chan.constraints.capacity), self.parent.format_amount(chan.local_state.amount_msat//1000)]
       +
       +    def create_menu(self, position):
       +        menu = QtWidgets.QMenu()
       +        cur = self.currentItem()
       +        def close():
       +            print("closechannel result", self.parent.network.lnworker.close_channel_from_other_thread(cur.di))
       +        menu.addAction(_("Close channel"), close)
       +        menu.exec_(self.viewport().mapToGlobal(position))
       +
       +    @QtCore.pyqtSlot(dict)
       +    def do_update_single_row(self, chan):
       +        items = self.findItems(chan.channel_id, QtCore.Qt.UserRole|QtCore.Qt.MatchContains|QtCore.Qt.MatchRecursive, column=1)
       +        for item in items:
       +            for i, v in enumerate(self.format_fields(chan)):
       +                item.setData(i, QtCore.Qt.DisplayRole, v)
       +
       +    @QtCore.pyqtSlot(list)
       +    def do_update_rows(self, channels):
       +        self.clear()
       +        for chan in channels:
       +            item = SortableTreeWidgetItem(self.format_fields(chan))
       +            item.setData(0, QtCore.Qt.UserRole, chan.channel_id)
       +            self.insertTopLevelItem(0, item)
       +
       +    def get_toolbar(self):
       +        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)
       +        return h
       +
       +    def open_channel(self, nodeIdInput, local_amt_inp, push_amt_inp, password):
       +        node_id = str(nodeIdInput.text())
       +        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.parent.network.lnworker.open_channel(node_id, local_amt, push_amt, password)
   DIR diff --git a/gui/qt/lightning_channels_list.py b/gui/qt/lightning_channels_list.py
       t@@ -1,124 +0,0 @@
       -# -*- 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(node_id, local_amt, push_amt, password)
       -
       -    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_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
       -
       -    @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.register_callback(self.update_rows.emit, ['channels_updated'])
       -        lnworker.register_callback(self.update_single_row.emit, ['channel_updated'])
       -
       -        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)
       -        lnworker.on_channels_updated()
   DIR diff --git a/gui/qt/lightning_invoice_list.py b/gui/qt/lightning_invoice_list.py
       t@@ -1,153 +0,0 @@
       -# -*- coding: utf-8 -*-
       -import base64
       -import binascii
       -from PyQt5 import QtCore, QtWidgets
       -from collections import OrderedDict
       -import logging
       -from .qrcodewidget import QRDialog
       -from PyQt5.QtCore import pyqtSignal, pyqtSlot
       -
       -mapping = {0: "r_hash", 1: "pay_req", 2: "settled"}
       -revMapp = {"r_hash": 0, "pay_req": 1, "settled": 2}
       -datatable = OrderedDict([])
       -idx = 0
       -
       -class MyTableRow(QtWidgets.QTreeWidgetItem):
       -    def __init__(self, di):
       -        if "settled" not in di:
       -            di["settled"] = False
       -        strs = [str(di[mapping[key]]) for key in range(len(mapping))]
       -        print(strs)
       -        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 Invoice field %s unknown", idx)
       -    def __str__(self):
       -        return str(self.di)
       -
       -def addInvoiceRow(new):
       -    made = MyTableRow(new)
       -    datatable[new["r_hash"]] = made
       -    datatable.move_to_end(new["r_hash"], last=False)
       -    return made
       -
       -class LightningInvoiceList(QtWidgets.QWidget):
       -    invoice_added_signal = QtCore.pyqtSignal(dict)
       -
       -    @QtCore.pyqtSlot(dict)
       -    def invoice_added_handler(self, di):
       -        self._tv.insertTopLevelItem(0, addInvoiceRow(invoice))
       -
       -    def clickHandler(self, numInput, treeView, lnworker):
       -        amt = numInput.value()
       -        if amt < 1:
       -            print("value too small")
       -            return
       -        print("creating invoice with value {}".format(amt))
       -        global idx
       -        #obj = {
       -        #    "r_hash": binascii.hexlify((int.from_bytes(bytearray.fromhex("9500edb0994b7bc23349193486b25c82097045db641f35fa988c0e849acdec29"), "big")+idx).to_bytes(byteorder="big", length=32)).decode("ascii"),
       -        #    "pay_req": "lntb81920n1pdf258s" + str(idx),
       -        #    "settled": False
       -        #}
       -        #treeView.insertTopLevelItem(0, addInvoiceRow(obj))
       -        idx += 1
       -        lnworker.add_invoice(amt)
       -
       -    def create_menu(self, position):
       -        menu = QtWidgets.QMenu()
       -        pay_req = self._tv.currentItem()["pay_req"]
       -        cb = QtWidgets.QApplication.instance().clipboard()
       -        def copy():
       -            print(pay_req)
       -            cb.setText(pay_req)
       -        def qr():
       -            d = QRDialog(pay_req, self, "Lightning invoice")
       -            d.exec_()
       -        menu.addAction("Copy payment request", copy)
       -        menu.addAction("Show payment request as QR code", qr)
       -        menu.exec_(self._tv.viewport().mapToGlobal(position))
       -
       -    payment_received_signal = pyqtSignal(dict)
       -
       -    @pyqtSlot(dict)
       -    def paymentReceived(self, new):
       -        try:
       -            obj = datatable[new["r_hash"]]
       -        except KeyError:
       -            print("lightning payment invoice r_hash {} unknown!".format(new["r_hash"]))
       -        else:
       -            for k, v in new.items():
       -                try:
       -                    if obj[k] != v: obj[k] = v
       -                except KeyError:
       -                    obj[k] = v
       -
       -    def __init__(self, parent, lnworker):
       -        QtWidgets.QWidget.__init__(self, parent)
       -
       -        self.payment_received_signal.connect(self.paymentReceived)
       -        self.invoice_added_signal.connect(self.invoice_added_handler)
       -
       -        #lnworker.subscribe_payment_received_from_other_thread(self.payment_received_signal.emit)
       -        #lnworker.subscribe_invoice_added_from_other_thread(self.invoice_added_signal.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)
       -
       -        class SatoshiCountSpinBox(QtWidgets.QSpinBox):
       -            def keyPressEvent(self2, e):
       -                super(SatoshiCountSpinBox, self2).keyPressEvent(e)
       -                if QtCore.Qt.Key_Return == e.key():
       -                    self.clickHandler(self2, self._tv, lnworker)
       -
       -        numInput = SatoshiCountSpinBox(self)
       -
       -        button = QtWidgets.QPushButton('Add invoice', self)
       -        button.clicked.connect(lambda: self.clickHandler(numInput, self._tv, lnworker))
       -
       -        l=QtWidgets.QVBoxLayout(self)
       -        h=QtWidgets.QGridLayout(self)
       -        h.addWidget(numInput, 0, 0)
       -        h.addWidget(button, 0, 1)
       -        #h.addItem(QtWidgets.QSpacerItem(100, 200, QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred), 0, 2)
       -        #h.setSizePolicy(
       -        h.setColumnStretch(0, 1)
       -        h.setColumnStretch(1, 1)
       -        h.setColumnStretch(2, 2)
       -        l.addLayout(h)
       -        l.addWidget(self._tv)
       -
       -        self.resize(2500,1000)
       -
       -def tick():
       -  key = "9500edb0994b7bc23349193486b25c82097045db641f35fa988c0e849acdec29"
       -  if not key in datatable:
       -      return
       -  row = datatable[key]
       -  row["settled"] = not row["settled"]
       -  print("data changed")
       -
       -if __name__=="__main__":
       -    from sys import argv, exit
       -
       -    a=QtWidgets.QApplication(argv)
       -
       -    w=LightningInvoiceList()
       -    w.show()
       -    w.raise_()
       -
       -    timer = QtCore.QTimer()
       -    timer.timeout.connect(tick)
       -    timer.start(1000)
       -    exit(a.exec_())
   DIR diff --git a/lib/lnworker.py b/lib/lnworker.py
       t@@ -135,7 +135,7 @@ class LNWorker(PrintError):
                dumped = serialize_channels(self.channels)
                self.wallet.storage.put("channels", dumped)
                self.wallet.storage.write()
       -        self.trigger_callback('channel_updated', {"chan_id": openchannel.channel_id})
       +        self.network.trigger_callback('channel', openchannel)
        
            def save_short_chan_id(self, chan):
                """
       t@@ -188,8 +188,7 @@ class LNWorker(PrintError):
                self.on_channels_updated()
        
            def on_channels_updated(self):
       -        std_chan = [{"chan_id": chan.channel_id} for chan in self.channels.values()]
       -        self.trigger_callback('channels_updated', {'channels':std_chan})
       +        self.network.trigger_callback('channels', list(self.channels.values()))
        
            def open_channel(self, node_id, local_amt_sat, push_amt_sat, pw):
                coro = self._open_channel_coroutine(node_id, local_amt_sat, push_amt_sat, None if pw == "" else pw)
       t@@ -199,7 +198,7 @@ class LNWorker(PrintError):
                coro = self._pay_coroutine(invoice)
                return asyncio.run_coroutine_threadsafe(coro, self.network.asyncio_loop)
        
       -    # not aiosafe because we call .result() which will propagate an exception
       +    @aiosafe
            async def _pay_coroutine(self, invoice):
                openchannel = next(iter(self.channels.values()))
                addr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP)
       t@@ -233,19 +232,3 @@ class LNWorker(PrintError):
        
            def list_channels(self):
                return serialize_channels(self.channels)
       -
       -    def register_callback(self, callback, events):
       -        with self.lock:
       -            for event in events:
       -                self.callbacks[event].append(callback)
       -
       -    def unregister_callback(self, callback):
       -        with self.lock:
       -            for callbacks in self.callbacks.values():
       -                if callback in callbacks:
       -                    callbacks.remove(callback)
       -
       -    def trigger_callback(self, event, *args):
       -        with self.lock:
       -            callbacks = self.callbacks[event][:]
       -        [callback(*args) for callback in callbacks]