def test_feature_set(node_factory):
plugin = os.path.join(os.path.dirname(__file__), 'plugins/show_feature_set.py')
l1 = node_factory.get_node(options={"plugin": plugin})
fs = l1.rpc.call('getfeatureset')
assert fs['init'] == expected_features()
assert fs['node'] == expected_features()
assert fs['channel'] == ''
assert 'invoice' in fs
def test_plugin_feature_announce(node_factory):
"""Check that features registered by plugins show up in messages.
l1 is the node under test, l2 only serves as the counterparty for a
channel to check the featurebits in the `channel_announcement`. The plugin
registers an individual featurebit for each of the locations we can stash
feature bits in:
- 1 << 101 for `init` messages
- 1 << 103 for `node_announcement`
- 1 << 105 for bolt11 invoices
"""
plugin = os.path.join(os.path.dirname(__file__), 'plugins/feature-test.py')
l1, l2 = node_factory.line_graph(2,
opts=[{
'plugin': plugin,
'log-level': 'io'
}, {}],
wait_for_announce=True)
# Check the featurebits we've set in the `init` message from
# feature-test.py. (1 << 101) results in 13 bytes featutebits (000d) and
# has a leading 0x20.
assert l1.daemon.is_in_log(r'\[OUT\] 001000.*000d20{:0>24}'.format(
expected_features()))
# Check the invoice featurebit we set in feature-test.py
inv = l1.rpc.invoice(123, 'lbl', 'desc')['bolt11']
details = Invoice.decode(inv)
assert (details.featurebits.int & (1 << 105) != 0)
# Check the featurebit set in the `node_announcement`
node = l1.rpc.listnodes(l1.info['id'])['nodes'][0]
assert (int(node['features'], 16) & (1 << 103) != 0)
