texport channel backup from kivy gui - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit e50f6d29ed9c558845531a4abac0304564095efd
DIR parent 74517c88ad3f425003e99f8d97a64b1dafb9473d
HTML Author: ThomasV <thomasv@electrum.org>
Date: Fri, 10 Apr 2020 19:50:20 +0200
export channel backup from kivy gui
Diffstat:
M electrum/gui/kivy/uix/dialogs/ligh… | 12 ++++++++++++
M electrum/lnchannel.py | 8 ++------
M electrum/lnworker.py | 18 +++++++++++++-----
M electrum/tests/test_lnpeer.py | 3 +++
4 files changed, 30 insertions(+), 11 deletions(-)
---
DIR diff --git a/electrum/gui/kivy/uix/dialogs/lightning_channels.py b/electrum/gui/kivy/uix/dialogs/lightning_channels.py
t@@ -183,6 +183,11 @@ Builder.load_string(r'''
Button:
size_hint: 0.5, None
height: '48dp'
+ text: _('Backup')
+ on_release: root.export_backup()
+ Button:
+ size_hint: 0.5, None
+ height: '48dp'
text: _('Close')
on_release: root.close()
disabled: root.is_closed
t@@ -284,6 +289,9 @@ class ChannelBackupPopup(Popup):
super(ChannelBackupPopup,self).__init__(**kwargs)
self.chan = chan
self.app = app
+ self.short_id = format_short_channel_id(chan.short_channel_id)
+ self.state = chan.get_state_for_GUI()
+ self.title = _('Channel Backup')
def request_force_close(self):
msg = _('Request force close?')
t@@ -363,6 +371,10 @@ class ChannelDetailsPopup(Popup):
self.app._trigger_update_history()
self.dismiss()
+ def export_backup(self):
+ text = self.app.wallet.lnworker.export_channel_backup(self.chan.channel_id)
+ self.app.qr_dialog(_("Channel Backup " + self.chan.short_id_for_GUI()), 'channel_backup:'+text)
+
def force_close(self):
Question(_('Force-close channel?'), self._force_close).open()
DIR diff --git a/electrum/lnchannel.py b/electrum/lnchannel.py
t@@ -146,6 +146,8 @@ class AbstractChannel(Logger):
self.logger.debug(f'Setting channel state: {old_state.name} -> {state.name}')
self._state = state
self.storage['state'] = self._state.name
+ if self.lnworker:
+ self.lnworker.channel_state_changed(self)
def get_state(self) -> channel_states:
return self._state
t@@ -567,12 +569,6 @@ class Channel(AbstractChannel):
self.hm.channel_open_finished()
self.peer_state = peer_states.GOOD
- def set_state(self, state: channel_states) -> None:
- super().set_state(state)
- if self.lnworker:
- self.lnworker.save_channel(self)
- self.lnworker.network.trigger_callback('channel', self)
-
def get_state_for_GUI(self):
# status displayed in the GUI
cs = self.get_state()
DIR diff --git a/electrum/lnworker.py b/electrum/lnworker.py
t@@ -657,6 +657,10 @@ class LNWallet(LNWorker):
with self.lock:
return {x: y for (x, y) in self.channels.items() if y.node_id == node_id}
+ def channel_state_changed(self, chan):
+ self.save_channel(chan)
+ self.network.trigger_callback('channel', chan)
+
def save_channel(self, chan):
assert type(chan) is Channel
if chan.config[REMOTE].next_per_commitment_point == chan.config[REMOTE].current_per_commitment_point:
t@@ -1367,6 +1371,9 @@ class LNBackups(Logger):
for channel_id, cb in self.db.get_dict("channel_backups").items():
self.channel_backups[bfh(channel_id)] = ChannelBackup(cb, sweep_address=self.sweep_address, lnworker=self)
+ def channel_state_changed(self, chan):
+ self.network.trigger_callback('channel', chan)
+
def peer_closed(self, chan):
pass
t@@ -1390,16 +1397,17 @@ class LNBackups(Logger):
def import_channel_backup(self, encrypted):
xpub = self.wallet.get_fingerprint()
- x = pw_decode_bytes(encrypted, xpub, version=PW_HASH_VERSION_LATEST)
- cb = ChannelBackupStorage.from_bytes(x)
- channel_id = cb.channel_id().hex()
+ decrypted = pw_decode_bytes(encrypted, xpub, version=PW_HASH_VERSION_LATEST)
+ cb_storage = ChannelBackupStorage.from_bytes(decrypted)
+ channel_id = cb_storage.channel_id().hex()
d = self.db.get_dict("channel_backups")
if channel_id in d:
raise Exception('Channel already in wallet')
- d[channel_id] = cb
- self.channel_backups[bfh(channel_id)] = ChannelBackup(cb, sweep_address=self.sweep_address, lnworker=self)
+ d[channel_id] = cb_storage
+ self.channel_backups[bfh(channel_id)] = cb = ChannelBackup(cb_storage, sweep_address=self.sweep_address, lnworker=self)
self.wallet.save_db()
self.network.trigger_callback('channels_updated', self.wallet)
+ self.lnwatcher.add_channel(cb.funding_outpoint.to_str(), cb.get_funding_address())
def remove_channel_backup(self, channel_id):
d = self.db.get_dict("channel_backups")
DIR diff --git a/electrum/tests/test_lnpeer.py b/electrum/tests/test_lnpeer.py
t@@ -124,6 +124,9 @@ class MockLNWallet(Logger):
if chan.short_channel_id == short_channel_id:
return chan
+ def channel_state_changed(self, chan):
+ pass
+
def save_channel(self, chan):
print("Ignoring channel save")