Add hrn_resolver to Node

This commit adds a HRN Resolver to the Node struct which will be useful for resolving HRNs when making BIP 353 payments

Author: chuksys

src/builder.rs

@@ -79,6 +79,8 @@ use std::sync::{Arc, Mutex, RwLock};
 use std::time::SystemTime;
 use vss_client::headers::{FixedHeaders, LnurlAuthToJwtProvider, VssHeaderProvider};
 
+use bitcoin_payment_instructions::onion_message_resolver::LDKOnionMessageDNSSECHrnResolver;
+
 const VSS_HARDENED_CHILD_INDEX: u32 = 877;
 const VSS_LNURL_AUTH_HARDENED_CHILD_INDEX: u32 = 138;
 const LSPS_HARDENED_CHILD_INDEX: u32 = 577;
@@ -1633,6 +1635,14 @@ fn build_with_store_internal(
 	let (stop_sender, _) = tokio::sync::watch::channel(());
 	let background_processor_task = Mutex::new(None);
 
+	let hrn_resolver = Arc::new(LDKOnionMessageDNSSECHrnResolver::new(network_graph.clone()));
+
+	let peer_manager_clone = peer_manager.clone();
+
+	hrn_resolver.register_post_queue_action(Box::new(move || {
+		peer_manager_clone.process_events();
+	}));
+
 	Ok(Node {
 		runtime,
 		stop_sender,
@@ -1660,6 +1670,7 @@ fn build_with_store_internal(
 		payment_store,
 		is_listening,
 		node_metrics,
+		hrn_resolver,
 	})
 }
 

src/lib.rs

@@ -143,7 +143,8 @@ use payment::{
 use peer_store::{PeerInfo, PeerStore};
 use types::{
 	Broadcaster, BumpTransactionEventHandler, ChainMonitor, ChannelManager, DynStore, Graph,
-	KeysManager, OnionMessenger, PaymentStore, PeerManager, Router, Scorer, Sweeper, Wallet,
+	HRNResolver, KeysManager, OnionMessenger, PaymentStore, PeerManager, Router, Scorer, Sweeper,
+	Wallet,
 };
 pub use types::{ChannelDetails, CustomTlvRecord, PeerDetails, UserChannelId};
 
@@ -202,6 +203,7 @@ pub struct Node {
 	payment_store: Arc<PaymentStore>,
 	is_listening: Arc<AtomicBool>,
 	node_metrics: Arc<RwLock<NodeMetrics>>,
+	hrn_resolver: Arc<HRNResolver>,
 }
 
 impl Node {

src/types.rs

@@ -36,6 +36,8 @@ use lightning_net_tokio::SocketDescriptor;
 use bitcoin::secp256k1::PublicKey;
 use bitcoin::OutPoint;
 
+use bitcoin_payment_instructions::onion_message_resolver::LDKOnionMessageDNSSECHrnResolver;
+
 use std::sync::{Arc, Mutex};
 
 pub(crate) type DynStore = dyn KVStore + Sync + Send;
@@ -147,6 +149,8 @@ pub(crate) type BumpTransactionEventHandler =
 
 pub(crate) type PaymentStore = DataStore<PaymentDetails, Arc<Logger>>;
 
+pub(crate) type HRNResolver = LDKOnionMessageDNSSECHrnResolver<Arc<Graph>, Arc<Logger>>;
+
 /// A local, potentially user-provided, identifier of a channel.
 ///
 /// By default, this will be randomly generated for the user to ensure local uniqueness.