self.flags.eq(&o.flags)
}
}
+impl<T: sealed::Context> PartialOrd for Features<T> {
+ fn partial_cmp(&self, other: &Self) -> Option<cmp::Ordering> {
+ self.flags.partial_cmp(&other.flags)
+ }
+}
+impl<T: sealed::Context + Eq> Ord for Features<T> {
+ fn cmp(&self, other: &Self) -> cmp::Ordering {
+ self.flags.cmp(&other.flags)
+ }
+}
impl<T: sealed::Context> fmt::Debug for Features<T> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> Result<(), fmt::Error> {
self.flags.fmt(fmt)
/// [`PaymentParameters::for_keysend`], thus omitting the need for payers to manually construct an
/// `InvoiceFeatures` for [`find_route`].
///
+ /// MPP keysend is not widely supported yet, so we parameterize support to allow the user to
+ /// choose whether their router should find multi-part routes.
+ ///
/// [`PaymentParameters::for_keysend`]: crate::routing::router::PaymentParameters::for_keysend
/// [`find_route`]: crate::routing::router::find_route
- pub(crate) fn for_keysend() -> InvoiceFeatures {
+ pub(crate) fn for_keysend(allow_mpp: bool) -> InvoiceFeatures {
let mut res = InvoiceFeatures::empty();
res.set_variable_length_onion_optional();
+ if allow_mpp {
+ res.set_basic_mpp_optional();
+ }
res
}
}
+impl Bolt12InvoiceFeatures {
+ /// Converts `Bolt12InvoiceFeatures` to `Features<C>`. Only known `Bolt12InvoiceFeatures` relevant
+ /// to context `C` are included in the result.
+ pub(crate) fn to_context<C: sealed::Context>(&self) -> Features<C> {
+ self.to_context_internal()
+ }
+}
+
impl ChannelTypeFeatures {
// Maps the relevant `InitFeatures` to `ChannelTypeFeatures`. Any unknown features to
// `ChannelTypeFeatures` are not included in the result.
impl_feature_len_prefixed_write!(ChannelFeatures);
impl_feature_len_prefixed_write!(NodeFeatures);
impl_feature_len_prefixed_write!(InvoiceFeatures);
+impl_feature_len_prefixed_write!(Bolt12InvoiceFeatures);
impl_feature_len_prefixed_write!(BlindedHopFeatures);
// Some features only appear inside of TLVs, so they don't have a length prefix when serialized.
// Set a bunch of features we use, plus initial_routing_sync_required (which shouldn't get
// converted as it's only relevant in an init context).
init_features.set_initial_routing_sync_required();
- init_features.set_data_loss_protect_optional();
+ init_features.set_data_loss_protect_required();
init_features.set_variable_length_onion_required();
init_features.set_static_remote_key_required();
init_features.set_payment_secret_required();
let node_features: NodeFeatures = init_features.to_context();
{
// Check that the flags are as expected:
- // - option_data_loss_protect
+ // - option_data_loss_protect (req)
// - var_onion_optin (req) | static_remote_key (req) | payment_secret(req)
// - basic_mpp | wumbo
// - opt_shutdown_anysegwit
// - option_channel_type | option_scid_alias
// - option_zeroconf
assert_eq!(node_features.flags.len(), 7);
- assert_eq!(node_features.flags[0], 0b00000010);
+ assert_eq!(node_features.flags[0], 0b00000001);
assert_eq!(node_features.flags[1], 0b01010001);
assert_eq!(node_features.flags[2], 0b10001010);
assert_eq!(node_features.flags[3], 0b00001000);