mirror of
https://github.com/LBRYFoundation/LBRY-Vault.git
synced 2025-08-23 17:47:31 +00:00
61dfcba092
- persisted states are saved - state transitions are checked - transient states are stored in channel.peer_state - new channel states: 'PREOPENING', 'FUNDED' and 'REDEEMED' - upgrade storage to version 21
245 lines
8.1 KiB
Python
245 lines
8.1 KiB
Python
import asyncio
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import binascii
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from kivy.lang import Builder
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from kivy.factory import Factory
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from kivy.uix.popup import Popup
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from kivy.clock import Clock
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from electrum.util import bh2u
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from electrum.lnutil import LOCAL, REMOTE, format_short_channel_id
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from electrum.gui.kivy.i18n import _
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from .question import Question
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Builder.load_string(r'''
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<LightningChannelItem@CardItem>
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details: {}
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active: False
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short_channel_id: '<channelId not set>'
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status: ''
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local_balance: ''
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remote_balance: ''
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_chan: None
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BoxLayout:
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spacing: '8dp'
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height: '32dp'
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orientation: 'vertical'
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Widget
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CardLabel:
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color: (.5,.5,.5,1) if not root.active else (1,1,1,1)
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text: root.short_channel_id
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font_size: '15sp'
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Widget
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CardLabel:
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font_size: '13sp'
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shorten: True
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text: root.status
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Widget
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BoxLayout:
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spacing: '8dp'
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height: '32dp'
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orientation: 'vertical'
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Widget
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CardLabel:
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text: root.local_balance
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font_size: '13sp'
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halign: 'right'
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Widget
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CardLabel:
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text: root.remote_balance
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font_size: '13sp'
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halign: 'right'
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Widget
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<LightningChannelsDialog@Popup>:
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name: 'lightning_channels'
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title: _('Lightning channels.')
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id: popup
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BoxLayout:
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id: box
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orientation: 'vertical'
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spacing: '1dp'
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ScrollView:
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GridLayout:
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cols: 1
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id: lightning_channels_container
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size_hint: 1, None
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height: self.minimum_height
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spacing: '2dp'
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padding: '12dp'
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Button:
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size_hint: 1, None
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height: '48dp'
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text: _('New channel...')
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on_press: popup.app.popup_dialog('lightning_open_channel_dialog')
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<ChannelDetailsList@RecycleView>:
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scroll_type: ['bars', 'content']
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scroll_wheel_distance: dp(114)
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bar_width: dp(10)
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viewclass: 'BoxLabel'
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RecycleBoxLayout:
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default_size: None, dp(56)
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default_size_hint: 1, None
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size_hint_y: None
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height: self.minimum_height
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orientation: 'vertical'
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spacing: dp(2)
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<ChannelDetailsPopup@Popup>:
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id: popuproot
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data: []
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is_closed: False
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BoxLayout:
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orientation: 'vertical'
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ScrollView:
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ChannelDetailsList:
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data: popuproot.data
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Widget:
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size_hint: 1, 0.1
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BoxLayout:
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size_hint: 1, None
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height: '48dp'
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Button:
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size_hint: 0.5, None
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height: '48dp'
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text: _('Close')
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on_release: root.close()
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disabled: root.is_closed
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Button:
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size_hint: 0.5, None
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height: '48dp'
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text: _('Force-close')
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on_release: root.force_close()
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disabled: root.is_closed
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Button:
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size_hint: 0.5, None
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height: '48dp'
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text: _('Delete')
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on_release: root.remove_channel()
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disabled: not root.is_closed
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Button:
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size_hint: 0.5, None
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height: '48dp'
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text: _('Dismiss')
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on_release: root.dismiss()
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''')
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class ChannelDetailsPopup(Popup):
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def __init__(self, chan, app, **kwargs):
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super(ChannelDetailsPopup,self).__init__(**kwargs)
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self.is_closed = chan.is_closed()
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self.app = app
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self.chan = chan
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self.title = _('Channel details')
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self.data = [{'text': key, 'value': str(value)} for key, value in self.details().items()]
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def details(self):
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chan = self.chan
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status = self.app.wallet.lnworker.get_channel_status(chan)
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return {
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_('Short Chan ID'): format_short_channel_id(chan.short_channel_id),
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_('Initiator'): 'Local' if chan.constraints.is_initiator else 'Remote',
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_('State'): status,
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_('Local CTN'): chan.get_latest_ctn(LOCAL),
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_('Remote CTN'): chan.get_latest_ctn(REMOTE),
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_('Capacity'): self.app.format_amount_and_units(chan.constraints.capacity),
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_('Can send'): self.app.format_amount_and_units(chan.available_to_spend(LOCAL) // 1000),
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_('Current feerate'): str(chan.get_latest_feerate(LOCAL)),
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_('Node ID'): bh2u(chan.node_id),
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_('Channel ID'): bh2u(chan.channel_id),
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_('Funding TXID'): chan.funding_outpoint.txid,
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}
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def close(self):
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Question(_('Close channel?'), self._close).open()
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def _close(self, b):
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if not b:
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return
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loop = self.app.wallet.network.asyncio_loop
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coro = asyncio.run_coroutine_threadsafe(self.app.wallet.lnworker.close_channel(self.chan.channel_id), loop)
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try:
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coro.result(5)
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self.app.show_info(_('Channel closed'))
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except Exception as e:
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self.app.show_info(_('Could not close channel: ') + repr(e)) # repr because str(Exception()) == ''
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def remove_channel(self):
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msg = _('Are you sure you want to delete this channel? This will purge associated transactions from your wallet history.')
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Question(msg, self._remove_channel).open()
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def _remove_channel(self, b):
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if not b:
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return
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self.app.wallet.lnworker.remove_channel(self.chan.channel_id)
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self.app._trigger_update_history()
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self.dismiss()
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def force_close(self):
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Question(_('Force-close channel?'), self._force_close).open()
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def _force_close(self, b):
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if not b:
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return
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if self.chan.is_closed():
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self.app.show_error(_('Channel already closed'))
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return
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loop = self.app.wallet.network.asyncio_loop
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coro = asyncio.run_coroutine_threadsafe(self.app.wallet.lnworker.force_close_channel(self.chan.channel_id), loop)
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try:
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coro.result(1)
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self.app.show_info(_('Channel closed, you may need to wait at least {} blocks, because of CSV delays'.format(self.chan.config[REMOTE].to_self_delay)))
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except Exception as e:
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self.app.show_info(_('Could not force close channel: ') + repr(e)) # repr because str(Exception()) == ''
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class LightningChannelsDialog(Factory.Popup):
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def __init__(self, app):
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super(LightningChannelsDialog, self).__init__()
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self.clocks = []
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self.app = app
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self.update()
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def show_item(self, obj):
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p = ChannelDetailsPopup(obj._chan, self.app)
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p.open()
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def format_fields(self, chan):
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labels = {}
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for subject in (REMOTE, LOCAL):
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bal_minus_htlcs = chan.balance_minus_outgoing_htlcs(subject)//1000
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label = self.app.format_amount(bal_minus_htlcs)
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other = subject.inverted()
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bal_other = chan.balance(other)//1000
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bal_minus_htlcs_other = chan.balance_minus_outgoing_htlcs(other)//1000
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if bal_other != bal_minus_htlcs_other:
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label += ' (+' + self.app.format_amount(bal_other - bal_minus_htlcs_other) + ')'
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labels[subject] = label
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return [
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labels[LOCAL],
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labels[REMOTE],
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]
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def update_item(self, item):
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chan = item._chan
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item.status = self.app.wallet.lnworker.get_channel_status(chan)
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item.short_channel_id = format_short_channel_id(chan.short_channel_id)
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l, r = self.format_fields(chan)
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item.local_balance = _('Local') + ':' + l
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item.remote_balance = _('Remote') + ': ' + r
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def update(self):
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channel_cards = self.ids.lightning_channels_container
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channel_cards.clear_widgets()
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if not self.app.wallet:
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return
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lnworker = self.app.wallet.lnworker
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for i in lnworker.channels.values():
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item = Factory.LightningChannelItem()
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item.screen = self
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item.active = i.node_id in lnworker.peers
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item._chan = i
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self.update_item(item)
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channel_cards.add_widget(item)
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