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ln fees: avoid resending same fee update before it has been committed to, docs

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Janus 2018-09-26 15:08:57 +02:00 • committed by SomberNight
parent 277ad65ba1
commit 308eacbdc3
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GPG key ID: B33B5F232C6271E9
2 changed files with 13 additions and 3 deletions
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7
electrum/lnbase.py
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@ -1049,12 +1049,13 @@ class Peer(PrintError):
return
feerate_per_kw = self.current_feerate_per_kw()
self.print_error("current feerate", chan.remote_state.feerate)
chan_fee = chan.pending_feerate(REMOTE)
self.print_error("current pending feerate", chan_fee)
self.print_error("new feerate", feerate_per_kw)
if feerate_per_kw < chan.remote_state.feerate / 2:
if feerate_per_kw < chan_fee / 2:
self.print_error("FEES HAVE FALLEN")
chan.update_fee(feerate_per_kw)
elif feerate_per_kw > chan.remote_state.feerate * 2:
elif feerate_per_kw > chan_fee * 2:
self.print_error("FEES HAVE RISEN")
chan.update_fee(feerate_per_kw)
else:

9
electrum/lnhtlc.py
View file

@ -62,9 +62,17 @@ class FeeUpdate:
self.progress[field] = self.height
def is_proposed(self):
"""
returns True when this FeeUpdate has been proposed
at or above the current commitment number of the funder
"""
return self.progress[COMMITTED] is None and self.proposed is not None and self.proposed <= self.height
def had(self, field):
"""
returns true when the progress field given has been
set at the current commitment number of the funder
"""
return self.progress[field] is not None and self.height >= self.progress[field]
def pending_feerate(self, subject):
@ -76,6 +84,7 @@ class FeeUpdate:
return self.rate
if subject == LOCAL and not self.chan.constraints.is_initiator:
return self.rate
# implicit return None
def to_save(self):
return {'rate': self.rate, 'proposed': self.proposed, 'progress': self.progress}