,
// Byte 3
,
+ // Byte 4
+ ,
+ // Byte 5
+ ,
],
optional_features: [
// Byte 0
// Byte 1
,
// Byte 2
- BasicMPP,
+ BasicMPP | Wumbo,
// Byte 3
ShutdownAnySegwit,
+ // Byte 4
+ ,
+ // Byte 5
+ ChannelType | SCIDPrivacy,
],
});
define_context!(NodeContext {
// Byte 1
,
// Byte 2
- BasicMPP,
+ BasicMPP | Wumbo,
// Byte 3
ShutdownAnySegwit,
// Byte 4
,
// Byte 5
- ,
+ ChannelType | SCIDPrivacy,
// Byte 6
Keysend,
],
,
// Byte 3
,
+ // Byte 4
+ ,
+ // Byte 5
+ SCIDPrivacy,
],
optional_features: [
// Byte 0
,
// Byte 3
,
+ // Byte 4
+ ,
+ // Byte 5
+ ,
],
});
impl <T: $feature> Features<T> {
/// Set this feature as optional.
- pub fn $optional_setter(mut self) -> Self {
+ pub fn $optional_setter(&mut self) {
<T as $feature>::set_optional_bit(&mut self.flags);
- self
}
/// Set this feature as required.
- pub fn $required_setter(mut self) -> Self {
+ pub fn $required_setter(&mut self) {
<T as $feature>::set_required_bit(&mut self.flags);
- self
}
/// Checks if this feature is supported.
define_feature!(17, BasicMPP, [InitContext, NodeContext, InvoiceContext],
"Feature flags for `basic_mpp`.", set_basic_mpp_optional, set_basic_mpp_required,
supports_basic_mpp, requires_basic_mpp);
+ define_feature!(19, Wumbo, [InitContext, NodeContext],
+ "Feature flags for `option_support_large_channel` (aka wumbo channels).", set_wumbo_optional, set_wumbo_required,
+ supports_wumbo, requires_wumbo);
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!(45, ChannelType, [InitContext, NodeContext],
+ "Feature flags for `option_channel_type`.", set_channel_type_optional,
+ set_channel_type_required, supports_channel_type, requires_channel_type);
+ define_feature!(47, SCIDPrivacy, [InitContext, NodeContext, ChannelTypeContext],
+ "Feature flags for only forwarding with SCID aliasing. Called `option_scid_alias` in the BOLTs",
+ set_scid_privacy_optional, set_scid_privacy_required, supports_scid_privacy, requires_scid_privacy);
+
define_feature!(55, Keysend, [NodeContext],
"Feature flags for keysend payments.", set_keysend_optional, set_keysend_required,
supports_keysend, requires_keysend);
/// Getting a route for a keysend payment to a private node requires providing the payee's
/// features (since they were not announced in a node announcement). However, keysend payments
/// don't have an invoice to pull the payee's features from, so this method is provided for use in
- /// [`Payee::for_keysend`], thus omitting the need for payers to manually construct an
+ /// [`PaymentParameters::for_keysend`], thus omitting the need for payers to manually construct an
/// `InvoiceFeatures` for [`find_route`].
///
- /// [`Payee::for_keysend`]: crate::routing::router::Payee::for_keysend
+ /// [`PaymentParameters::for_keysend`]: crate::routing::router::PaymentParameters::for_keysend
/// [`find_route`]: crate::routing::router::find_route
pub(crate) fn for_keysend() -> InvoiceFeatures {
- InvoiceFeatures::empty().set_variable_length_onion_optional()
+ let mut res = InvoiceFeatures::empty();
+ res.set_variable_length_onion_optional();
+ res
}
}
self
}
}
+
+impl<T: sealed::Wumbo> Features<T> {
+ #[cfg(test)]
+ pub(crate) fn clear_wumbo(mut self) -> Self {
+ <T as sealed::Wumbo>::clear_bits(&mut self.flags);
+ self
+ }
+}
+
macro_rules! impl_feature_len_prefixed_write {
($features: ident) => {
impl Writeable for $features {
assert!(!NodeFeatures::known().requires_basic_mpp());
assert!(!InvoiceFeatures::known().requires_basic_mpp());
+ assert!(InitFeatures::known().supports_channel_type());
+ assert!(NodeFeatures::known().supports_channel_type());
+ assert!(!InitFeatures::known().requires_channel_type());
+ assert!(!NodeFeatures::known().requires_channel_type());
+
assert!(InitFeatures::known().supports_shutdown_anysegwit());
assert!(NodeFeatures::known().supports_shutdown_anysegwit());
+ assert!(InitFeatures::known().supports_scid_privacy());
+ assert!(NodeFeatures::known().supports_scid_privacy());
+ assert!(!InitFeatures::known().requires_scid_privacy());
+ assert!(!NodeFeatures::known().requires_scid_privacy());
+
+ assert!(InitFeatures::known().supports_wumbo());
+ assert!(NodeFeatures::known().supports_wumbo());
+ assert!(!InitFeatures::known().requires_wumbo());
+ assert!(!NodeFeatures::known().requires_wumbo());
+
let mut init_features = InitFeatures::known();
assert!(init_features.initial_routing_sync());
init_features.clear_initial_routing_sync();
assert!(!features.requires_unknown_bits());
assert!(!features.supports_unknown_bits());
- let features = ChannelFeatures::empty().set_unknown_feature_required();
+ let mut features = ChannelFeatures::empty();
+ features.set_unknown_feature_required();
assert!(features.requires_unknown_bits());
assert!(features.supports_unknown_bits());
- let features = ChannelFeatures::empty().set_unknown_feature_optional();
+ let mut features = ChannelFeatures::empty();
+ features.set_unknown_feature_optional();
assert!(!features.requires_unknown_bits());
assert!(features.supports_unknown_bits());
}
// Check that the flags are as expected:
// - option_data_loss_protect
// - var_onion_optin (req) | static_remote_key (req) | payment_secret(req)
- // - basic_mpp
+ // - basic_mpp | wumbo
// - opt_shutdown_anysegwit
- assert_eq!(node_features.flags.len(), 4);
+ // -
+ // - option_channel_type | option_scid_alias
+ assert_eq!(node_features.flags.len(), 6);
assert_eq!(node_features.flags[0], 0b00000010);
assert_eq!(node_features.flags[1], 0b01010001);
- assert_eq!(node_features.flags[2], 0b00000010);
+ assert_eq!(node_features.flags[2], 0b00001010);
assert_eq!(node_features.flags[3], 0b00001000);
+ assert_eq!(node_features.flags[4], 0b00000000);
+ assert_eq!(node_features.flags[5], 0b10100000);
}
// Check that cleared flags are kept blank when converting back:
fn convert_to_context_with_unknown_flags() {
// Ensure the `from` context has fewer known feature bytes than the `to` context.
assert!(InvoiceFeatures::known().flags.len() < NodeFeatures::known().flags.len());
- let invoice_features = InvoiceFeatures::known().set_unknown_feature_optional();
+ let mut invoice_features = InvoiceFeatures::known();
+ invoice_features.set_unknown_feature_optional();
assert!(invoice_features.supports_unknown_bits());
let node_features: NodeFeatures = invoice_features.to_context();
assert!(!node_features.supports_unknown_bits());
#[test]
fn set_feature_bits() {
- let features = InvoiceFeatures::empty()
- .set_basic_mpp_optional()
- .set_payment_secret_required();
+ let mut features = InvoiceFeatures::empty();
+ features.set_basic_mpp_optional();
+ features.set_payment_secret_required();
assert!(features.supports_basic_mpp());
assert!(!features.requires_basic_mpp());
assert!(features.requires_payment_secret());
fn test_channel_type_mapping() {
// If we map an InvoiceFeatures with StaticRemoteKey optional, it should map into a
// required-StaticRemoteKey ChannelTypeFeatures.
- let init_features = InitFeatures::empty().set_static_remote_key_optional();
+ let mut init_features = InitFeatures::empty();
+ init_features.set_static_remote_key_optional();
let converted_features = ChannelTypeFeatures::from_counterparty_init(&init_features);
assert_eq!(converted_features, ChannelTypeFeatures::only_static_remote_key());
assert!(!converted_features.supports_any_optional_bits());
projects / rust-lightning / blobdiff