BOLT12 invoice_feature methods for ChannelManager

Author: jkczyz

lightning/src/ln/blinded_payment_tests.rs

@@ -89,7 +89,7 @@ fn mpp_to_one_hop_blinded_path() {
 	).unwrap();
 
 	let bolt12_features: Bolt12InvoiceFeatures =
-		channelmanager::provided_bolt11_invoice_features(&UserConfig::default()).to_context();
+		channelmanager::provided_bolt12_invoice_features(&UserConfig::default());
 	let route_params = RouteParameters {
 		payment_params: PaymentParameters::blinded(vec![blinded_path])
 			.with_bolt12_features(bolt12_features).unwrap(),

lightning/src/ln/channelmanager.rs

@@ -42,7 +42,7 @@ use crate::events::{Event, EventHandler, EventsProvider, MessageSendEvent, Messa
 // construct one themselves.
 use crate::ln::{inbound_payment, ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
 use crate::ln::channel::{Channel, ChannelPhase, ChannelContext, ChannelError, ChannelUpdateStatus, ShutdownResult, UnfundedChannelContext, UpdateFulfillCommitFetch, OutboundV1Channel, InboundV1Channel};
-use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
+use crate::ln::features::{Bolt12InvoiceFeatures, ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
 #[cfg(any(feature = "_test_utils", test))]
 use crate::ln::features::Bolt11InvoiceFeatures;
 use crate::routing::gossip::NetworkGraph;
@@ -7679,6 +7679,12 @@ where
 		provided_bolt11_invoice_features(&self.default_configuration)
 	}
 
+	/// Fetches the set of [`Bolt12InvoiceFeatures`] flags that are provided by or required by
+	/// [`ChannelManager`].
+	fn bolt12_invoice_features(&self) -> Bolt12InvoiceFeatures {
+		provided_bolt12_invoice_features(&self.default_configuration)
+	}
+
 	/// Fetches the set of [`ChannelFeatures`] flags which are provided by or required by
 	/// [`ChannelManager`].
 	pub fn channel_features(&self) -> ChannelFeatures {
@@ -8241,6 +8247,12 @@ pub(crate) fn provided_bolt11_invoice_features(config: &UserConfig) -> Bolt11Inv
 	provided_init_features(config).to_context()
 }
 
+/// Fetches the set of [`Bolt12InvoiceFeatures`] flags that are provided by or required by
+/// [`ChannelManager`].
+pub(crate) fn provided_bolt12_invoice_features(config: &UserConfig) -> Bolt12InvoiceFeatures {
+	provided_init_features(config).to_context()
+}
+
 /// Fetches the set of [`ChannelFeatures`] flags which are provided by or required by
 /// [`ChannelManager`].
 pub(crate) fn provided_channel_features(config: &UserConfig) -> ChannelFeatures {

lightning/src/routing/router.rs

@@ -2690,7 +2690,7 @@ mod tests {
 	use crate::chain::transaction::OutPoint;
 	use crate::sign::EntropySource;
 	use crate::ln::ChannelId;
-	use crate::ln::features::{BlindedHopFeatures, Bolt12InvoiceFeatures, ChannelFeatures, InitFeatures, NodeFeatures};
+	use crate::ln::features::{BlindedHopFeatures, ChannelFeatures, InitFeatures, NodeFeatures};
 	use crate::ln::msgs::{ErrorAction, LightningError, UnsignedChannelUpdate, MAX_VALUE_MSAT};
 	use crate::ln::channelmanager;
 	use crate::offers::invoice::BlindedPayInfo;
@@ -4483,7 +4483,7 @@ mod tests {
 		do_simple_mpp_route_test(clear_payment_params);
 
 		// MPP to a 1-hop blinded path for nodes[2]
-		let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_bolt11_invoice_features(&config).to_context();
+		let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
 		let blinded_path = BlindedPath {
 			introduction_node_id: nodes[2],
 			blinding_point: ln_test_utils::pubkey(42),
@@ -6588,7 +6588,7 @@ mod tests {
 			cltv_expiry_delta: 10,
 			features: BlindedHopFeatures::empty(),
 		};
-		let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_bolt11_invoice_features(&config).to_context();
+		let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
 		let payment_params = PaymentParameters::blinded(vec![
 			(blinded_payinfo.clone(), blinded_path.clone()),
 			(blinded_payinfo.clone(), blinded_path.clone())])
@@ -6891,7 +6891,7 @@ mod tests {
 		let random_seed_bytes = keys_manager.get_secure_random_bytes();
 		let config = UserConfig::default();
 
-		let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_bolt11_invoice_features(&config).to_context();
+		let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
 		let blinded_path_1 = BlindedPath {
 			introduction_node_id: nodes[2],
 			blinding_point: ln_test_utils::pubkey(42),
@@ -6919,7 +6919,7 @@ mod tests {
 			(blinded_payinfo_2.clone(), blinded_path_2.clone()),
 		];
 		let payment_params = PaymentParameters::blinded(blinded_hints.clone())
-			.with_bolt12_features(bolt12_features.clone()).unwrap();
+			.with_bolt12_features(bolt12_features).unwrap();
 
 		let route_params = RouteParameters::from_payment_params_and_value(payment_params, 100_000);
 		let route = get_route(&our_id, &route_params, &network_graph, None, Arc::clone(&logger),
@@ -7083,9 +7083,9 @@ mod tests {
 		blinded_hints[1].0.htlc_maximum_msat = 2_8089_0861_1584_0000;
 		blinded_hints[1].0.cltv_expiry_delta = 0;
 
-		let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_bolt11_invoice_features(&config).to_context();
+		let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
 		let payment_params = PaymentParameters::blinded(blinded_hints.clone())
-			.with_bolt12_features(bolt12_features.clone()).unwrap();
+			.with_bolt12_features(bolt12_features).unwrap();
 
 		let netgraph = network_graph.read_only();
 		let route_params = RouteParameters::from_payment_params_and_value(