Add Taproot feature support.

Introduce a Taproot feature on bits 30/31 for
initialization, node, and channel type contexts.

diff --git a/lightning/src/ln/features.rs b/lightning/src/ln/features.rs
index 5de383b1f4469273207441892a90d1d2c063494d..1992b8db9e565b7696e60bc286581583ca8beed7 100644 (file)
--- a/lightning/src/ln/features.rs
+++ b/lightning/src/ln/features.rs
@@ -143,7 +143,7 @@ mod sealed {
                // Byte 2
                BasicMPP | Wumbo | AnchorsNonzeroFeeHtlcTx | AnchorsZeroFeeHtlcTx,
                // Byte 3
-               ShutdownAnySegwit,
+               ShutdownAnySegwit | Taproot,
                // Byte 4
                OnionMessages,
                // Byte 5
@@ -159,7 +159,7 @@ mod sealed {
                // Byte 2
                BasicMPP | Wumbo | AnchorsNonzeroFeeHtlcTx | AnchorsZeroFeeHtlcTx,
                // Byte 3
-               ShutdownAnySegwit,
+               ShutdownAnySegwit | Taproot,
                // Byte 4
                OnionMessages,
                // Byte 5
@@ -205,7 +205,7 @@ mod sealed {
                // Byte 2
                AnchorsNonzeroFeeHtlcTx | AnchorsZeroFeeHtlcTx,
                // Byte 3
-               ,
+               Taproot,
                // Byte 4
                ,
                // Byte 5
@@ -394,6 +394,9 @@ mod sealed {
        define_feature!(27, ShutdownAnySegwit, [InitContext, NodeContext],
                "Feature flags for `opt_shutdown_anysegwit`.", set_shutdown_any_segwit_optional,
                set_shutdown_any_segwit_required, supports_shutdown_anysegwit, requires_shutdown_anysegwit);
+       define_feature!(31, Taproot, [InitContext, NodeContext, ChannelTypeContext],
+               "Feature flags for `option_taproot`.", set_taproot_optional,
+               set_taproot_required, supports_taproot, requires_taproot);
        define_feature!(39, OnionMessages, [InitContext, NodeContext],
                "Feature flags for `option_onion_messages`.", set_onion_messages_optional,
                set_onion_messages_required, supports_onion_messages, requires_onion_messages);