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feeadjuster: only update fees on substantial unbalancing

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5% is a rather conservative value

Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
This commit is contained in:
Antoine Poinsot
2020-09-02 11:54:57 +02:00
committed by Christian Decker
parent 4e5b26dd1e
commit d80b30579e
1 changed files with 9 additions and 5 deletions
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14
feeadjuster/feeadjuster.py
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@@ -22,16 +22,20 @@ def get_ratio(our_percentage):
def maybe_adjust_fees(plugin: Plugin, scids: list):
for scid in scids:
# FIXME: set a threshold to avoid flooding!
if True:
our = plugin.adj_balances[scid]["our"]
total = plugin.adj_balances[scid]["total"]
ratio = get_ratio(our / total)
our = plugin.adj_balances[scid]["our"]
total = plugin.adj_balances[scid]["total"]
percentage = our / total
last_percentage = plugin.adj_balances[scid].get("last_percentage")
# Only update on substantial balance moves to avoid flooding
if last_percentage is None or abs(last_percentage - percentage) > 0.05:
ratio = get_ratio(percentage)
try:
plugin.rpc.setchannelfee(scid, int(plugin.adj_basefee * ratio),
int(plugin.adj_ppmfee * ratio))
plugin.log("Adjusted fees of {} with a ratio of {}"
.format(scid, ratio))
plugin.adj_balances[scid]["last_percentage"] = percentage
except RpcError as e:
plugin.log("setchannelfee error: " + str(e), level="warn")