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lnpeer: await_remote/await_local now more restrictive, and docstring

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Previously it was not so clear what these methods were doing.
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SomberNight 2020-02-24 21:23:13 +01:00
parent 5fda2cbb42
commit e7ab9e4054
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1 changed files with 8 additions and 4 deletions
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12
electrum/lnpeer.py
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@ -1019,15 +1019,19 @@ class Peer(Logger):
self.send_message("commitment_signed", channel_id=chan.channel_id, signature=sig_64, num_htlcs=len(htlc_sigs), htlc_signature=b"".join(htlc_sigs))
async def await_remote(self, chan: Channel, ctn: int):
"""Wait until remote 'ctn' gets revoked."""
# if 'ctn' is too high, we risk waiting "forever", hence assert:
assert chan.get_latest_ctn(REMOTE) >= ctn, (chan.get_latest_ctn(REMOTE), ctn)
self.maybe_send_commitment(chan)
# TODO review this. I suspect some callers want updates irrevocably committed,
# so comparision should use chan.get_oldest_unrevoked_ctn(REMOTE)
while chan.get_latest_ctn(REMOTE) <= ctn:
while chan.get_oldest_unrevoked_ctn(REMOTE) <= ctn:
await self._remote_changed_events[chan.channel_id].wait()
async def await_local(self, chan: Channel, ctn: int):
"""Wait until local 'ctn' gets revoked."""
# if 'ctn' is too high, we risk waiting "forever", hence assert:
assert chan.get_latest_ctn(LOCAL) >= ctn, (chan.get_latest_ctn(LOCAL), ctn)
self.maybe_send_commitment(chan)
while chan.get_latest_ctn(LOCAL) <= ctn:
while chan.get_oldest_unrevoked_ctn(LOCAL) <= ctn:
await self._local_changed_events[chan.channel_id].wait()
async def pay(self, route: 'LNPaymentRoute', chan: Channel, amount_msat: int,