X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Frouting%2Frouter.rs;fp=lightning-c-bindings%2Fsrc%2Flightning%2Frouting%2Frouter.rs;h=ad15a3513c3b472bffd43b1d89f1a173b079cb63;hb=a82e075188fc15a103234832686915c196bfe240;hp=7022f5033802ab34eb06a9067bba740b0691df37;hpb=3559b05697ad226c82994bfb6b3d09657d21bbe2;p=ldk-c-bindings

diff --git a/lightning-c-bindings/src/lightning/routing/router.rs b/lightning-c-bindings/src/lightning/routing/router.rs
index 7022f50..ad15a35 100644
--- a/lightning-c-bindings/src/lightning/routing/router.rs
+++ b/lightning-c-bindings/src/lightning/routing/router.rs
@@ -517,6 +517,20 @@ pub(crate) extern "C" fn RouteHintHop_clone_void(this_ptr: *const c_void) -> *mu
 pub extern "C" fn RouteHintHop_clone(orig: &RouteHintHop) -> RouteHintHop {
 	orig.clone()
 }
+/// Gets a keysend route from us (payer) to the given target node (payee). This is needed because
+/// keysend payments do not have an invoice from which to pull the payee's supported features, which
+/// makes it tricky to otherwise supply the `payee_features` parameter of `get_route`.
+///
+/// Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
+#[no_mangle]
+pub extern "C" fn get_keysend_route(mut our_node_id: crate::c_types::PublicKey, network: &crate::lightning::routing::network_graph::NetworkGraph, mut payee: crate::c_types::PublicKey, first_hops: *mut crate::c_types::derived::CVec_ChannelDetailsZ, mut last_hops: crate::c_types::derived::CVec_RouteHintZ, mut final_value_msat: u64, mut final_cltv: u32, mut logger: crate::lightning::util::logger::Logger) -> crate::c_types::derived::CResult_RouteLightningErrorZ {
+	let mut local_first_hops_base = if first_hops == std::ptr::null_mut() { None } else { Some( { let mut local_first_hops_0 = Vec::new(); for mut item in unsafe { &mut *first_hops }.as_slice().iter() { local_first_hops_0.push( { unsafe { &*item.inner } }); }; local_first_hops_0 }) }; let mut local_first_hops = local_first_hops_base.as_ref().map(|a| &a[..]);
+	let mut local_last_hops = Vec::new(); for mut item in last_hops.as_slice().iter() { local_last_hops.push( { unsafe { &*item.inner } }); };
+	let mut ret = lightning::routing::router::get_keysend_route(&our_node_id.into_rust(), unsafe { &*network.inner }, &payee.into_rust(), local_first_hops, &local_last_hops[..], final_value_msat, final_cltv, logger);
+	let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::router::Route { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::LightningError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
+	local_ret
+}
+
 /// Gets a route from us (payer) to the given target node (payee).
 ///
 /// If the payee provided features in their invoice, they should be provided via payee_features.
@@ -536,6 +550,9 @@ pub extern "C" fn RouteHintHop_clone(orig: &RouteHintHop) -> RouteHintHop {
 /// The fees on channels from us to next-hops are ignored (as they are assumed to all be
 /// equal), however the enabled/disabled bit on such channels as well as the
 /// htlc_minimum_msat/htlc_maximum_msat *are* checked as they may change based on the receiving node.
+///
+/// Note that payee_features (or a relevant inner pointer) may be NULL or all-0s to represent None
+/// Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
 #[no_mangle]
 pub extern "C" fn get_route(mut our_node_id: crate::c_types::PublicKey, network: &crate::lightning::routing::network_graph::NetworkGraph, mut payee: crate::c_types::PublicKey, mut payee_features: crate::lightning::ln::features::InvoiceFeatures, first_hops: *mut crate::c_types::derived::CVec_ChannelDetailsZ, mut last_hops: crate::c_types::derived::CVec_RouteHintZ, mut final_value_msat: u64, mut final_cltv: u32, mut logger: crate::lightning::util::logger::Logger) -> crate::c_types::derived::CResult_RouteLightningErrorZ {
 	let mut local_payee_features = if payee_features.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(payee_features.take_inner()) } }) };