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better handling of channel updates for private channels

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SomberNight 2018-10-21 23:41:36 +02:00 • committed by ThomasV
parent bd48072e04
commit edff357fad
1 changed files with 9 additions and 10 deletions
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19
electrum/lnbase.py
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@ -215,6 +215,7 @@ class Peer(PrintError):
self.localfeatures |= LnLocalFeatures.INITIAL_ROUTING_SYNC
self.localfeatures |= LnLocalFeatures.OPTION_DATA_LOSS_PROTECT_OPT
self.attempted_route = {}
self.orphan_channel_updates = OrderedDict()
def send_message(self, message_name, **kwargs):
assert type(message_name) is str
@ -308,16 +309,13 @@ class Peer(PrintError):
try:
self.channel_db.on_channel_update(payload)
except NotFoundChanAnnouncementForUpdate:
# If it's for a direct channel with this peer, save it in chan.
# Note that this is prone to a race.. we might not have a short_channel_id
# associated with the channel in some cases
# If it's for a direct channel with this peer, save it for later, as it might be
# for our own channel (and we might not yet know the short channel id for that)
short_channel_id = payload['short_channel_id']
self.print_error("not found channel announce for channel update in db", bh2u(short_channel_id))
for chan in self.channels.values():
if chan.short_channel_id_predicted == short_channel_id:
chan.pending_channel_update_message = payload
self.print_error("channel update is for our own private channel", bh2u(short_channel_id))
break
self.orphan_channel_updates[short_channel_id] = payload
while len(self.orphan_channel_updates) > 10:
self.orphan_channel_updates.popitem(last=False)
def on_channel_announcement(self, payload):
self.channel_db.on_channel_announcement(payload)
@ -807,8 +805,9 @@ class Peer(PrintError):
# see https://github.com/lightningnetwork/lnd/issues/1347
#self.send_message("query_short_channel_ids", chain_hash=constants.net.rev_genesis_bytes(),
# len=9, encoded_short_ids=b'\x00'+chan.short_channel_id)
if hasattr(chan, 'pending_channel_update_message'):
self.on_channel_update(chan.pending_channel_update_message)
pending_channel_update = self.orphan_channel_updates.get(chan.short_channel_id)
if pending_channel_update:
self.channel_db.on_channel_update(pending_channel_update)
self.print_error("CHANNEL OPENING COMPLETED")