X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannelmanager.rs;h=49ced4db33530b07622ccc32fe06fcfe90308f50;hb=9f1ffab24c4870d0f9846d75a693f2a784648a60;hp=fa8a0b2163d2ffcb828d34c07675f8ee823e9e99;hpb=32a5139eb599f6ff565f4422e4da6e9421d74094;p=rust-lightning

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index fa8a0b21..49ced4db 100644
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -31,7 +31,7 @@ use bitcoin::secp256k1::{SecretKey,PublicKey};
 use bitcoin::secp256k1::Secp256k1;
 use bitcoin::{secp256k1, Sequence};
 
-use crate::blinded_path::BlindedPath;
+use crate::blinded_path::{BlindedPath, NodeIdLookUp};
 use crate::blinded_path::payment::{PaymentConstraints, ReceiveTlvs};
 use crate::chain;
 use crate::chain::{Confirm, ChannelMonitorUpdateStatus, Watch, BestBlock};
@@ -10433,6 +10433,23 @@ where
 	}
 }
 
+impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref>
+NodeIdLookUp for ChannelManager<M, T, ES, NS, SP, F, R, L>
+where
+	M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
+	T::Target: BroadcasterInterface,
+	ES::Target: EntropySource,
+	NS::Target: NodeSigner,
+	SP::Target: SignerProvider,
+	F::Target: FeeEstimator,
+	R::Target: Router,
+	L::Target: Logger,
+{
+	fn next_node_id(&self, short_channel_id: u64) -> Option<PublicKey> {
+		self.short_to_chan_info.read().unwrap().get(&short_channel_id).map(|(pubkey, _)| *pubkey)
+	}
+}
+
 /// Fetches the set of [`NodeFeatures`] flags that are provided by or required by
 /// [`ChannelManager`].
 pub(crate) fn provided_node_features(config: &UserConfig) -> NodeFeatures {