core-lightning/tests/plugins/htlc_accepted-failcode.py

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#!/usr/bin/env python3
"""A simply plugin that fails HTLCs with a configurable failcode.
"""
from pyln.client import Plugin
plugin = Plugin()
@plugin.hook('htlc_accepted')
def on_htlc_accepted(htlc, onion, plugin, **kwargs):
res = {"result": "fail"}
if plugin.failmsg is not None:
res['failure_message'] = plugin.failmsg
if plugin.failcode is not None:
res['failure_code'] = plugin.failcode
return res
@plugin.method('setfailcode')
def setfailcode(plugin, code=None, msg=None):
"""Sets the failcode to return when receiving an incoming HTLC.
"""
plugin.failcode = code
plugin.failmsg = msg
@plugin.init()
def on_init(**kwargs):
plugin.failcode = None
plugin.failmsg = None
plugin.run()