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lightningd: make option_channel_type compulsory.

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As per BOLT recommendation https://github.com/lightning/bolts/pull/1232, this means
we will insist on this being available.

For CLN, we added this in 0.12.0 (2022-08-23), though there were fixes as late as 24.02. Either way that's well outside our support window.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Closes: https://github.com/ElementsProject/lightning/issues/8152
Changelog-Changed: Protocol: We now insist that peers support `option_channel_type` (in CLN since 0.12.0 in late 2022, similar for other implementations).
This commit is contained in:
Rusty Russell
2025-06-27 14:12:18 +09:30
parent 5a98d1bdf4
commit 4e94a6cb2b
3 changed files with 4 additions and 4 deletions
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lightningd/lightningd.c
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@@ -926,7 +926,7 @@ static struct feature_set *default_features(const tal_t *ctx)
OPTIONAL_FEATURE(OPT_ZEROCONF),
OPTIONAL_FEATURE(OPT_QUIESCE),
OPTIONAL_FEATURE(OPT_ONION_MESSAGES),
OPTIONAL_FEATURE(OPT_CHANNEL_TYPE),
COMPULSORY_FEATURE(OPT_CHANNEL_TYPE),
OPTIONAL_FEATURE(OPT_ROUTE_BLINDING),
OPTIONAL_FEATURE(OPT_PROVIDE_STORAGE),
/* Removed later for elements */