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#!/usr/bin/env python3
"""Plugin that holds on to HTLCs for 10 seconds.
Used to test restarts / crashes while HTLCs were accepted, but not yet
settled/forwarded/
"""
from lightning import Plugin
import json
import os
import tempfile
import time
plugin = Plugin()
@plugin.hook("htlc_accepted")
def on_htlc_accepted(htlc, onion, plugin, **kwargs):
# Stash the onion so the test can check it
fname = os.path.join(tempfile.mkdtemp(), "onion.json")
with open(fname, 'w') as f:
f.write(json.dumps(onion))
plugin.log("Holding onto an incoming htlc for 10 seconds")
time.sleep(10)
print("Onion written to {}".format(fname))
# Give the tester something to look for
plugin.log("htlc_accepted hook called")
return {'result': 'continue'}
@plugin.init()
def init(options, configuration, plugin):
plugin.log("hold_htlcs.py initializing")
plugin.run()