X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Frouter.rs;h=3f14b0c6a1128a366d8b80c9b59c216febe0b816;hb=e8b91a478bd2fd37fd726901271a8299847def3d;hp=c1ef01bff663ab2ea490403d2946ab386b7b3baa;hpb=9d7bb73b599a7a9d8468a2f0c54d28f0ce6cf543;p=rust-lightning

diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index c1ef01bf..3f14b0c6 100644
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -61,7 +61,7 @@ impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, S: Deref> Router for DefaultR
 {
 	fn find_route(
 		&self, payer: &PublicKey, params: &RouteParameters, first_hops: Option<&[&ChannelDetails]>,
-		inflight_htlcs: InFlightHtlcs
+		inflight_htlcs: &InFlightHtlcs
 	) -> Result<Route, LightningError> {
 		let random_seed_bytes = {
 			let mut locked_random_seed_bytes = self.random_seed_bytes.lock().unwrap();
@@ -71,7 +71,7 @@ impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, S: Deref> Router for DefaultR
 
 		find_route(
 			payer, params, &self.network_graph, first_hops, &*self.logger,
-			&ScorerAccountingForInFlightHtlcs::new(&mut self.scorer.lock(), inflight_htlcs),
+			&ScorerAccountingForInFlightHtlcs::new(self.scorer.lock(), inflight_htlcs),
 			&random_seed_bytes
 		)
 	}
@@ -98,13 +98,13 @@ pub trait Router {
 	/// Finds a [`Route`] between `payer` and `payee` for a payment with the given values.
 	fn find_route(
 		&self, payer: &PublicKey, route_params: &RouteParameters,
-		first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs
+		first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: &InFlightHtlcs
 	) -> Result<Route, LightningError>;
 	/// Finds a [`Route`] between `payer` and `payee` for a payment with the given values. Includes
 	/// `PaymentHash` and `PaymentId` to be able to correlate the request with a specific payment.
 	fn find_route_with_id(
 		&self, payer: &PublicKey, route_params: &RouteParameters,
-		first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs,
+		first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: &InFlightHtlcs,
 		_payment_hash: PaymentHash, _payment_id: PaymentId
 	) -> Result<Route, LightningError> {
 		self.find_route(payer, route_params, first_hops, inflight_htlcs)
@@ -126,14 +126,14 @@ pub trait Router {
 ///
 /// [`Score`]: crate::routing::scoring::Score
 pub struct ScorerAccountingForInFlightHtlcs<'a, S: Score> {
-	scorer: &'a mut S,
+	scorer: S,
 	// Maps a channel's short channel id and its direction to the liquidity used up.
-	inflight_htlcs: InFlightHtlcs,
+	inflight_htlcs: &'a InFlightHtlcs,
 }
 
 impl<'a, S: Score> ScorerAccountingForInFlightHtlcs<'a, S> {
 	/// Initialize a new `ScorerAccountingForInFlightHtlcs`.
-	pub fn new(scorer: &'a mut S, inflight_htlcs: InFlightHtlcs) -> Self {
+	pub fn new(scorer: S, inflight_htlcs: &'a InFlightHtlcs) -> Self {
 		ScorerAccountingForInFlightHtlcs {
 			scorer,
 			inflight_htlcs
@@ -142,7 +142,7 @@ impl<'a, S: Score> ScorerAccountingForInFlightHtlcs<'a, S> {
 }
 
 #[cfg(c_bindings)]
-impl<'a, S:Score> Writeable for ScorerAccountingForInFlightHtlcs<'a, S> {
+impl<'a, S: Score> Writeable for ScorerAccountingForInFlightHtlcs<'a, S> {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> { self.scorer.write(writer) }
 }
 
@@ -181,6 +181,7 @@ impl<'a, S: Score> Score for ScorerAccountingForInFlightHtlcs<'a, S> {
 
 /// A data structure for tracking in-flight HTLCs. May be used during pathfinding to account for
 /// in-use channel liquidity.
+#[derive(Clone)]
 pub struct InFlightHtlcs(
 	// A map with liquidity value (in msat) keyed by a short channel id and the direction the HTLC
 	// is traveling in. The direction boolean is determined by checking if the HTLC source's public