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#!/usr/bin/env python3
"""Simple plugin to test the openchannel_hook.
We just refuse to let them open channels with an odd amount of millisatoshis.
"""
from lightning import Plugin, Millisatoshi
plugin = Plugin()
@plugin.hook('openchannel')
def on_openchannel(openchannel, plugin, **kwargs):
print("{} VARS".format(len(openchannel.keys())))
for k in sorted(openchannel.keys()):
print("{}={}".format(k, openchannel[k]))
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() % 2 == 1:
return {'result': 'reject', 'error_message': "I don't like odd amounts"}
return {'result': 'continue'}
plugin.run()