tlightning GUI: use existing receive and send tabs with lightning invoices - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 12d3877873128fa3872070a3df5be5501e2fd871
DIR parent 7d2a6d83d5fce332674375586acd8a43641aaa60
HTML Author: ThomasV <thomasv@electrum.org>
Date: Thu, 31 May 2018 12:38:02 +0200
lightning GUI: use existing receive and send tabs with lightning invoices
Diffstat:
M electrum/gui/qt/main_window.py | 129 ++++++++++++++++---------------
M electrum/gui/qt/paytoedit.py | 9 +++++----
M electrum/gui/qt/request_list.py | 40 +++++++++++++++++++++++++-------
M gui/qt/lightning_channels_list.py | 22 +++++++++++-----------
A icons/lightning.png | 0
M lib/lnworker.py | 32 ++++++++++++++++++++++++++++---
6 files changed, 144 insertions(+), 88 deletions(-)
---
DIR diff --git a/electrum/gui/qt/main_window.py b/electrum/gui/qt/main_window.py
t@@ -88,7 +88,6 @@ 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_invoice_list import LightningInvoiceList
from .lightning_channels_list import LightningChannelsList
t@@ -177,11 +176,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
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_invoices_tab = self.create_lightning_invoices_tab(wallet)
- tabs.addTab(self.lightning_invoices_tab, _("Lightning Invoices"))
-
self.lightning_channels_tab = self.create_lightning_channels_tab(wallet)
- tabs.addTab(self.lightning_channels_tab, _("Lightning Channels"))
+ 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@@ -881,10 +877,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
self.invoice_list.update()
self.update_completions()
- def create_lightning_invoices_tab(self, wallet):
- self.lightning_invoice_list = LightningInvoiceList(self, wallet.lnworker)
- return self.lightning_invoice_list
-
def create_lightning_channels_tab(self, wallet):
self.lightning_channels_list = LightningChannelsList(self, wallet.lnworker)
return self.lightning_channels_list
t@@ -915,17 +907,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
grid.setSpacing(8)
grid.setColumnStretch(3, 1)
- self.receive_address_e = ButtonsLineEdit()
- self.receive_address_e.addCopyButton(self.app)
- self.receive_address_e.setReadOnly(True)
- msg = _('Bitcoin address where the payment should be received. Note that each payment request uses a different Bitcoin address.')
- self.receive_address_label = HelpLabel(_('Receiving address'), msg)
- self.receive_address_e.textChanged.connect(self.update_receive_qr)
- self.receive_address_e.textChanged.connect(self.update_receive_address_styling)
- self.receive_address_e.setFocusPolicy(Qt.ClickFocus)
- grid.addWidget(self.receive_address_label, 0, 0)
- grid.addWidget(self.receive_address_e, 0, 1, 1, -1)
-
self.receive_message_e = QLineEdit()
grid.addWidget(QLabel(_('Description')), 1, 0)
grid.addWidget(self.receive_message_e, 1, 1, 1, -1)
t@@ -960,23 +941,31 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
self.expires_label.hide()
grid.addWidget(self.expires_label, 3, 1)
- self.save_request_button = QPushButton(_('Save'))
- self.save_request_button.clicked.connect(self.save_payment_request)
+ self.receive_type = QComboBox()
+ self.receive_type.addItems([_('Bitcoin address'), _('Lightning')])
+ grid.addWidget(QLabel(_('Type')), 4, 0)
+ grid.addWidget(self.receive_type, 4, 1)
+
+ self.save_request_button = QPushButton(_('Create'))
+ self.save_request_button.clicked.connect(self.create_invoice)
- self.new_request_button = QPushButton(_('New'))
- self.new_request_button.clicked.connect(self.new_payment_request)
+ self.receive_buttons = buttons = QHBoxLayout()
+ buttons.addWidget(self.save_request_button)
+ buttons.addStretch(1)
+ grid.addLayout(buttons, 4, 2, 1, 2)
+
+ self.receive_address_e = ButtonsTextEdit()
+ self.receive_address_e.addCopyButton(self.app)
+ self.receive_address_e.setReadOnly(True)
+ self.receive_address_e.textChanged.connect(self.update_receive_qr)
+ self.receive_address_e.textChanged.connect(self.update_receive_address_styling)
+ self.receive_address_e.setFocusPolicy(Qt.ClickFocus)
self.receive_qr = QRCodeWidget(fixedSize=200)
self.receive_qr.mouseReleaseEvent = lambda x: self.toggle_qr_window()
self.receive_qr.enterEvent = lambda x: self.app.setOverrideCursor(QCursor(Qt.PointingHandCursor))
self.receive_qr.leaveEvent = lambda x: self.app.setOverrideCursor(QCursor(Qt.ArrowCursor))
- self.receive_buttons = buttons = QHBoxLayout()
- buttons.addStretch(1)
- buttons.addWidget(self.save_request_button)
- buttons.addWidget(self.new_request_button)
- grid.addLayout(buttons, 4, 1, 1, 2)
-
self.receive_requests_label = QLabel(_('Requests'))
from .request_list import RequestList
t@@ -987,14 +976,19 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
vbox_g.addLayout(grid)
vbox_g.addStretch()
+ hbox_r = QHBoxLayout()
+ hbox_r.addWidget(self.receive_qr)
+ hbox_r.addWidget(self.receive_address_e)
+
hbox = QHBoxLayout()
hbox.addLayout(vbox_g)
- hbox.addWidget(self.receive_qr)
+ hbox.addLayout(hbox_r)
w = QWidget()
w.searchable_list = self.request_list
vbox = QVBoxLayout(w)
vbox.addLayout(hbox)
+
vbox.addStretch(1)
vbox.addWidget(self.receive_requests_label)
vbox.addWidget(self.request_list)
t@@ -1047,15 +1041,34 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
else:
return
- def save_payment_request(self):
- addr = str(self.receive_address_e.text())
+ def create_invoice(self):
amount = self.receive_amount_e.get_amount()
message = self.receive_message_e.text()
- if not message and not amount:
- self.show_error(_('No message or amount'))
- return False
i = self.expires_combo.currentIndex()
expiration = list(map(lambda x: x[1], expiration_values))[i]
+ if self.receive_type.currentIndex() == 1:
+ self.create_lightning_request(amount, message, expiration)
+ else:
+ self.create_bitcoin_request(amount, message, expiration)
+ self.request_list.update()
+
+ def create_lightning_request(self, amount, message, expiration):
+ req = self.wallet.lnworker.add_invoice(amount)
+
+ def create_bitcoin_request(self, amount, message, expiration):
+ addr = self.wallet.get_unused_address()
+ if addr is None:
+ if not self.wallet.is_deterministic():
+ msg = [
+ _('No more addresses in your wallet.'),
+ _('You are using a non-deterministic wallet, which cannot create new addresses.'),
+ _('If you want to create new addresses, use a deterministic wallet instead.')
+ ]
+ self.show_message(' '.join(msg))
+ return
+ if not self.question(_("Warning: The next address will not be recovered automatically if you restore your wallet from seed; you may need to add it manually.\n\nThis occurs because you have too many unused addresses in your wallet. To avoid this situation, use the existing addresses first.\n\nCreate anyway?")):
+ return
+ addr = self.wallet.create_new_address(False)
req = self.wallet.make_payment_request(addr, amount, message, expiration)
try:
self.wallet.add_payment_request(req, self.config)
t@@ -1066,7 +1079,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
self.sign_payment_request(addr)
self.save_request_button.setEnabled(False)
finally:
- self.request_list.update()
self.address_list.update()
def view_and_paste(self, title, msg, data):
t@@ -1092,26 +1104,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
self.show_message(_("Request saved successfully"))
self.saved = True
- def new_payment_request(self):
- addr = self.wallet.get_unused_address()
- if addr is None:
- if not self.wallet.is_deterministic():
- msg = [
- _('No more addresses in your wallet.'),
- _('You are using a non-deterministic wallet, which cannot create new addresses.'),
- _('If you want to create new addresses, use a deterministic wallet instead.')
- ]
- self.show_message(' '.join(msg))
- return
- if not self.question(_("Warning: The next address will not be recovered automatically if you restore your wallet from seed; you may need to add it manually.\n\nThis occurs because you have too many unused addresses in your wallet. To avoid this situation, use the existing addresses first.\n\nCreate anyway?")):
- return
- addr = self.wallet.create_new_address(False)
- self.set_receive_address(addr)
- self.expires_label.hide()
- self.expires_combo.show()
- self.new_request_button.setEnabled(False)
- self.receive_message_e.setFocus(1)
-
def set_receive_address(self, addr):
self.receive_address_e.setText(addr)
self.receive_message_e.setText('')
t@@ -1158,11 +1150,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
self.new_request_button.setEnabled(True)
def update_receive_qr(self):
- addr = str(self.receive_address_e.text())
- amount = self.receive_amount_e.get_amount()
- message = self.receive_message_e.text()
- self.save_request_button.setEnabled((amount is not None) or (message != ""))
- uri = util.create_bip21_uri(addr, amount, message)
+ uri = str(self.receive_address_e.text())
self.receive_qr.setData(uri)
if self.qr_window and self.qr_window.isVisible():
self.qr_window.qrw.setData(uri)
t@@ -1876,6 +1864,23 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
else:
self.payment_request_error_signal.emit()
+ def parse_lightning_invoice(self, invoice):
+ from electrum.lightning_payencode.lnaddr import lndecode
+ lnaddr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP)
+ pubkey = bh2u(lnaddr.pubkey.serialize())
+ for k,v in lnaddr.tags:
+ if k == 'd':
+ description = v
+ break
+ else:
+ description = ''
+ self.payto_e.setFrozen(True)
+ self.payto_e.setGreen()
+ self.payto_e.setText(pubkey)
+ self.message_e.setText(description)
+ self.amount_e.setAmount(lnaddr.amount)
+ #self.amount_e.textEdited.emit("")
+
def pay_to_URI(self, URI):
if not URI:
return
DIR diff --git a/electrum/gui/qt/paytoedit.py b/electrum/gui/qt/paytoedit.py
t@@ -61,10 +61,8 @@ class PayToEdit(CompletionTextEdit, ScanQRTextEdit, Logger):
self.errors = []
self.is_pr = False
self.is_alias = False
- self.scan_f = win.pay_to_URI
self.update_size()
self.payto_address = None
-
self.previous_payto = ''
def setFrozen(self, b):
t@@ -130,7 +128,10 @@ class PayToEdit(CompletionTextEdit, ScanQRTextEdit, Logger):
if len(lines) == 1:
data = lines[0]
if data.startswith("bitcoin:"):
- self.scan_f(data)
+ self.win.pay_to_URI(data)
+ return
+ if data.startswith("ln"):
+ self.win.parse_lightning_invoice(data)
return
try:
self.payto_address = self.parse_output(data)
t@@ -204,7 +205,7 @@ class PayToEdit(CompletionTextEdit, ScanQRTextEdit, Logger):
def qr_input(self):
data = super(PayToEdit,self).qr_input()
if data.startswith("bitcoin:"):
- self.scan_f(data)
+ self.win.pay_to_URI(data)
# TODO: update fee
def resolve(self):
DIR diff --git a/electrum/gui/qt/request_list.py b/electrum/gui/qt/request_list.py
t@@ -79,12 +79,19 @@ class RequestList(MyTreeView):
amount = req['amount']
message = req['memo']
self.parent.receive_address_e.setText(addr)
- self.parent.receive_message_e.setText(message)
- self.parent.receive_amount_e.setAmount(amount)
- self.parent.expires_combo.hide()
- self.parent.expires_label.show()
- self.parent.expires_label.setText(expires)
- self.parent.new_request_button.setEnabled(True)
+ #req = self.wallet.receive_requests.get(addr)
+ #if req is None:
+ # self.update()
+ # return
+ #expires = age(req['time'] + req['exp']) if req.get('exp') else _('Never')
+ #amount = req['amount']
+ #message = self.wallet.labels.get(addr, '')
+ #self.parent.receive_message_e.setText(message)
+ #self.parent.receive_amount_e.setAmount(amount)
+ #self.parent.expires_combo.hide()
+ #self.parent.expires_label.show()
+ #self.parent.expires_label.setText(expires)
+ #self.parent.new_request_button.setEnabled(True)
def update(self):
self.wallet = self.parent.wallet
t@@ -98,7 +105,7 @@ class RequestList(MyTreeView):
self.parent.expires_combo.show()
# update the receive address if necessary
- current_address = self.parent.receive_address_e.text()
+ #current_address = self.parent.receive_address_e.text()
domain = self.wallet.get_receiving_addresses()
try:
addr = self.wallet.get_unused_address()
t@@ -126,7 +133,8 @@ class RequestList(MyTreeView):
signature = req.get('sig')
requestor = req.get('name', '')
amount_str = self.parent.format_amount(amount) if amount else ""
- labels = [date, address, '', message, amount_str, pr_tooltips.get(status,'')]
+ URI = self.parent.get_request_URI(address)
+ labels = [date, URI, '', message, amount_str, pr_tooltips.get(status,'')]
items = [QStandardItem(e) for e in labels]
self.set_editability(items)
if signature is not None:
t@@ -137,6 +145,22 @@ class RequestList(MyTreeView):
items[self.Columns.DESCRIPTION].setData(address, Qt.UserRole)
self.model().insertRow(self.model().rowCount(), items)
self.filter()
+ # lightning
+ for k, r in self.wallet.lnworker.invoices.items():
+ from electrum.lightning_payencode.lnaddr import lndecode
+ import electrum.constants as constants
+ lnaddr = lndecode(r, expected_hrp=constants.net.SEGWIT_HRP)
+ amount_str = self.parent.format_amount(lnaddr.amount*100000000)
+ for k,v in lnaddr.tags:
+ if k == 'd':
+ description = v
+ break
+ else:
+ description = ''
+ labels = [date, r, '', description, amount_str, '']
+ items = [QStandardItem(e) for e in labels]
+ items.setIcon(2, QIcon(":icons/lightning.png"))
+ self.model().insertRow(self.model().rowCount(), items)
def create_menu(self, position):
idx = self.indexAt(position)
DIR diff --git a/gui/qt/lightning_channels_list.py b/gui/qt/lightning_channels_list.py
t@@ -47,6 +47,14 @@ class LightningChannelsList(QtWidgets.QWidget):
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:
t@@ -60,14 +68,6 @@ class LightningChannelsList(QtWidgets.QWidget):
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()
t@@ -82,9 +82,8 @@ class LightningChannelsList(QtWidgets.QWidget):
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)
+ 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))])
t@@ -122,3 +121,4 @@ class LightningChannelsList(QtWidgets.QWidget):
l.addWidget(self._tv)
self.resize(2500,1000)
+ lnworker.on_channels_updated()
DIR diff --git a/icons/lightning.png b/icons/lightning.png
Binary files differ.
DIR diff --git a/lib/lnworker.py b/lib/lnworker.py
t@@ -8,7 +8,8 @@ import os
from decimal import Decimal
import binascii
import asyncio
-
+import threading
+from collections import defaultdict
from . import constants
from .bitcoin import sha256, COIN
t@@ -109,6 +110,8 @@ class LNWorker(PrintError):
self.channel_state = {chan.channel_id: "OPENING" for chan in self.channels}
for host, port, pubkey in peer_list:
self.add_peer(host, int(port), pubkey)
+
+ self.callbacks = defaultdict(list)
# wait until we see confirmations
self.network.register_callback(self.on_network_update, ['updated', 'verified']) # thread safe
self.on_network_update('updated') # shortcut (don't block) if funding tx locked and verified
t@@ -119,6 +122,7 @@ class LNWorker(PrintError):
peer = Peer(host, int(port), node_id, self.privkey, self.network, self.channel_db, self.path_finder, self.channel_state, channels, self.invoices, request_initial_sync=True)
self.network.futures.append(asyncio.run_coroutine_threadsafe(peer.main_loop(), asyncio.get_event_loop()))
self.peers[node_id] = peer
+ self.lock = threading.Lock()
def save_channel(self, openchannel):
if openchannel.channel_id not in self.channel_state:
t@@ -127,6 +131,7 @@ 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})
def save_short_chan_id(self, chan):
"""
t@@ -176,6 +181,11 @@ class LNWorker(PrintError):
openingchannel = await peer.channel_establishment_flow(self.wallet, self.config, password, amount_sat, push_sat * 1000, temp_channel_id=os.urandom(32))
self.print_error("SAVING OPENING CHANNEL")
self.save_channel(openingchannel)
+ self.on_channels_updated()
+
+ def on_channels_updated(self):
+ std_chan = [{"chan_id": chan.channel_id} for chan in self.channels]
+ self.trigger_callback('channels_updated', {'channels':std_chan})
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@@ -199,8 +209,8 @@ class LNWorker(PrintError):
def add_invoice(self, amount_sat, message='one cup of coffee'):
is_open = lambda chan: self.channel_state[chan] == "OPEN"
# TODO doesn't account for fees!!!
- if not any(openchannel.remote_state.amount_msat >= amount_sat * 1000 for openchannel in self.channels if is_open(chan)):
- return "Not making invoice, no channel has enough balance"
+ #if not any(openchannel.remote_state.amount_msat >= amount_sat * 1000 for openchannel in self.channels if is_open(chan)):
+ # return "Not making invoice, no channel has enough balance"
payment_preimage = os.urandom(32)
RHASH = sha256(payment_preimage)
pay_req = lnencode(LnAddr(RHASH, amount_sat/Decimal(COIN), tags=[('d', message)]), self.privkey)
t@@ -213,3 +223,19 @@ 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]