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lnbase: resend revoke_and_ack if necessary

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Janus 2018-10-12 18:42:57 +02:00 • committed by SomberNight
parent 0c52c1cc8d
commit 04741512ce
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1 changed files with 18 additions and 4 deletions
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22
electrum/lnbase.py
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@ -816,10 +816,24 @@ class Peer(PrintError):
# compare local ctns
local_ctn = int.from_bytes(channel_reestablish_msg["next_remote_revocation_number"], 'big')
if local_ctn != chan.config[LOCAL].ctn:
self.print_error("expected local ctn {}, got {}".format(chan.config[LOCAL].ctn, local_ctn))
# TODO iff their ctn is lower than ours, we should force close instead
try_to_get_remote_to_force_close_with_their_latest()
return
if remote_ctn == chan.config[LOCAL].ctn + 1:
# A node:
# if next_remote_revocation_number is equal to the
# commitment number of the last revoke_and_ack
# the receiving node sent, AND the receiving node
# hasn't already received a closing_signed:
# MUST re-send the revoke_and_ack.
self.config[LOCAL]=self.config[LOCAL]._replace(
ctn=remote_ctn,
)
self.revoke(chan)
self.channel_reestablished[chan_id].set_result(True)
return
else:
self.print_error("expected local ctn {}, got {}".format(chan.config[LOCAL].ctn, local_ctn))
# TODO iff their ctn is lower than ours, we should force close instead
try_to_get_remote_to_force_close_with_their_latest()
return
# compare per commitment points (needs data_protect option)
their_pcp = channel_reestablish_msg.get("my_current_per_commitment_point", None)
if their_pcp is not None: