Files
plugins/drain/utils.py
2020-11-30 10:38:44 +01:00

40 lines
1.1 KiB
Python

import time
TIMEOUT = 60
def wait_for(success, timeout=TIMEOUT):
start_time = time.time()
interval = 0.25
while not success() and time.time() < start_time + timeout:
time.sleep(interval)
interval *= 2
if interval > 5:
interval = 5
if time.time() > start_time + timeout:
raise ValueError("Timeout waiting for {}", success)
# waits for a bunch of nodes HTLCs to settle
def wait_for_all_htlcs(nodes):
for n in nodes:
n.wait_for_htlcs()
# returns our_amount_msat for a given node and scid
def get_ours(node, scid):
return [c for c in node.rpc.listfunds()['channels'] if c['short_channel_id'] == scid][0]['our_amount_msat']
# returns their_amount_msat for a given node and scid
def get_theirs(node, scid):
ours = get_ours(node, scid)
total = [c for c in node.rpc.listfunds()['channels'] if c['short_channel_id'] == scid][0]['amount_msat']
return total - ours
# these wait for the HTLC commit settlement to change our/their amounts
def wait_ours(node, scid, ours_before):
wait_for(lambda: ours_before != get_ours(node, scid))
return get_ours(node, scid)