lightningd: print out support for channel_types in --list-features.

It's not a separate option, but lnprototest needs it to know to expect the tlvs. Signed-off-by: Rusty Russell <[email protected]>
ElementsProject · Sep 9, 2021 · 6730417 · 6730417
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commit 6730417
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diff --git a/lightningd/options.c b/lightningd/options.c
@@ -806,6 +806,9 @@ static char *list_features_and_exit(struct lightningd *ld)
 	const char **features = list_supported_features(tmpctx, ld->our_features);
 	for (size_t i = 0; i < tal_count(features); i++)
 		printf("%s\n", features[i]);
+#if EXPERIMENTAL_FEATURES
+	printf("supports_open_accept_channel_type\n");
+#endif
 	exit(0);
 }
 

diff --git a/tests/test_misc.py b/tests/test_misc.py
@@ -1924,6 +1924,7 @@ def test_list_features_only(node_factory):
         expected += ['option_anchor_outputs/odd']
         expected += ['option_shutdown_anysegwit/odd']
         expected += ['option_onion_messages/odd']
+        expected += ['supports_open_accept_channel_type']
     else:
         expected += ['option_shutdown_anysegwit/odd']
     assert features == expected