X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Frouter.rs;h=da3b3d4eb1b0eb135858cd2dc9537c3c1c641a19;hb=9db962c7192643d10722b7b675d45068e14407c8;hp=36550bf99b96d2948aec80fc1862ed9fccd77fa1;hpb=21b0818be7c3f4b3fce24c2bd3ac0c156549f8bc;p=rust-lightning

diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index 36550bf9..da3b3d4e 100644
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -621,8 +621,17 @@ impl PaymentParameters {
 	///
 	/// The `final_cltv_expiry_delta` should match the expected final CLTV delta the recipient has
 	/// provided.
-	pub fn for_keysend(payee_pubkey: PublicKey, final_cltv_expiry_delta: u32) -> Self {
-		Self::from_node_id(payee_pubkey, final_cltv_expiry_delta).with_bolt11_features(InvoiceFeatures::for_keysend()).expect("PaymentParameters::from_node_id should always initialize the payee as unblinded")
+	///
+	/// Note that MPP keysend is not widely supported yet. The `allow_mpp` lets you choose
+	/// whether your router will be allowed to find a multi-part route for this payment. If you
+	/// set `allow_mpp` to true, you should ensure a payment secret is set on send, likely via
+	/// [`RecipientOnionFields::secret_only`].
+	///
+	/// [`RecipientOnionFields::secret_only`]: crate::ln::channelmanager::RecipientOnionFields::secret_only
+	pub fn for_keysend(payee_pubkey: PublicKey, final_cltv_expiry_delta: u32, allow_mpp: bool) -> Self {
+		Self::from_node_id(payee_pubkey, final_cltv_expiry_delta)
+			.with_bolt11_features(InvoiceFeatures::for_keysend(allow_mpp))
+			.expect("PaymentParameters::from_node_id should always initialize the payee as unblinded")
 	}
 
 	/// Includes the payee's features. Errors if the parameters were initialized with blinded payment
@@ -794,7 +803,7 @@ impl ReadableArgs<bool> for Features {
 }
 
 /// A list of hops along a payment path terminating with a channel to the recipient.
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
 pub struct RouteHint(pub Vec<RouteHintHop>);
 
 impl Writeable for RouteHint {
@@ -819,7 +828,7 @@ impl Readable for RouteHint {
 }
 
 /// A channel descriptor for a hop along a payment path.
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
 pub struct RouteHintHop {
 	/// The node_id of the non-target end of the route
 	pub src_node_id: PublicKey,