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#!/usr/bin/env python3
"""Simple plugin to test the openchannel_hook's
'close_to' address functionality.
If the funding amount is:
- 100005sat: we reject correctly w/o close_to
- 100004sat: we reject invalid by setting a close_to
- 100003sat: we send back a valid address (regtest)
- 100002sat: we send back an empty address
- 100001sat: we send back an address for the wrong chain (mainnet)
- otherwise: we don't include the close_to
"""
from pyln.client import Plugin, Millisatoshi
plugin = Plugin()
@plugin.hook('openchannel')
def on_openchannel(openchannel, plugin, **kwargs):
# - 100005sat: we reject correctly w/o close_to
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() == 100005:
msg = "reject for a reason"
plugin.log(msg)
return {'result': 'reject', 'error_message': msg}
# - 100004sat: we reject invalid by setting a close_to
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() == 100004:
msg = "I am a broken plugin"
plugin.log(msg)
return {'result': 'reject', 'error_message': msg,
'close_to': "bcrt1q7gtnxmlaly9vklvmfj06amfdef3rtnrdazdsvw"}
# - 100003sat: we send back a valid address (regtest)
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() == 100003:
return {'result': 'continue', 'close_to': 'bcrt1q7gtnxmlaly9vklvmfj06amfdef3rtnrdazdsvw'}
# - 100002sat: we send back an empty address
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() == 100002:
return {'result': 'continue', 'close_to': ''}
# - 100001sat: we send back an address for the wrong chain (mainnet)
if Millisatoshi(openchannel['funding_satoshis']).to_satoshi() == 100001:
return {'result': 'continue', 'close_to': 'bc1qlq8srqnz64wgklmqvurv7qnr4rvtq2u96hhfg2'}
# - otherwise: accept and don't include the close_to
plugin.log("accept by design")
return {'result': 'continue'}
plugin.run()