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listpeers: add features array using BOLT9 names.

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It's actually not possible to currently tell if you're using anchor_outputs
with a peer (since it depends on whether you both supported it at *channel open*).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-added: JSON-RPC: `listpeers` shows `features` list for each channel.
This commit is contained in:
Rusty Russell
2020-08-21 11:27:20 +09:30
committed by neil saitug
parent 932709cad9
commit dd8cd81e91
5 changed files with 54 additions and 0 deletions
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32
tests/test_connection.py
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@@ -2330,3 +2330,35 @@ def test_wumbo_channels(node_factory, bitcoind):
# Exact amount depends on fees, but it will be wumbo!
amount = [c['funding_msat'][l1.info['id']] for c in only_one(l1.rpc.listpeers(l2.info['id'])['peers'])['channels'] if c['state'] == 'CHANNELD_NORMAL'][0]
assert Millisatoshi(amount) > Millisatoshi(str((1 << 24) - 1) + "sat")
def test_channel_features(node_factory, bitcoind):
l1, l2 = node_factory.line_graph(2, fundchannel=False)
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'], 0.1)
bitcoind.generate_block(1)
wait_for(lambda: l1.rpc.listfunds()['outputs'] != [])
l1.rpc.fundchannel(l2.info['id'], 'all')
# We should see features in unconfirmed channels.
chan = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])
assert 'option_static_remotekey' in chan['features']
if EXPERIMENTAL_FEATURES:
assert 'option_anchor_outputs' in chan['features']
# l2 should agree.
assert only_one(only_one(l2.rpc.listpeers()['peers'])['channels'])['features'] == chan['features']
# Confirm it.
bitcoind.generate_block(1)
wait_for(lambda: only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])['state'] == 'CHANNELD_NORMAL')
wait_for(lambda: only_one(only_one(l2.rpc.listpeers()['peers'])['channels'])['state'] == 'CHANNELD_NORMAL')
chan = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])
assert 'option_static_remotekey' in chan['features']
if EXPERIMENTAL_FEATURES:
assert 'option_anchor_outputs' in chan['features']
# l2 should agree.
assert only_one(only_one(l2.rpc.listpeers()['peers'])['channels'])['features'] == chan['features']