use bitcoin::hashes::Hash;
use crate::c_types::*;
-pub mod router;
pub mod network_graph;
+pub mod router;
+pub mod scorer;
+/// An interface used to score payment channels for path finding.
+///
+///\tScoring is in terms of fees willing to be paid in order to avoid routing through a channel.
+#[repr(C)]
+pub struct Score {
+ /// An opaque pointer which is passed to your function implementations as an argument.
+ /// This has no meaning in the LDK, and can be NULL or any other value.
+ pub this_arg: *mut c_void,
+ /// Returns the fee in msats willing to be paid to avoid routing through the given channel.
+ #[must_use]
+ pub channel_penalty_msat: extern "C" fn (this_arg: *const c_void, short_channel_id: u64) -> u64,
+ /// Frees any resources associated with this object given its this_arg pointer.
+ /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
+ pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
+}
+unsafe impl Send for Score {}
+unsafe impl Sync for Score {}
+#[no_mangle]
+pub(crate) extern "C" fn Score_clone_fields(orig: &Score) -> Score {
+ Score {
+ this_arg: orig.this_arg,
+ channel_penalty_msat: Clone::clone(&orig.channel_penalty_msat),
+ free: Clone::clone(&orig.free),
+ }
+}
+
+use lightning::routing::Score as rustScore;
+impl rustScore for Score {
+ fn channel_penalty_msat(&self, mut short_channel_id: u64) -> u64 {
+ let mut ret = (self.channel_penalty_msat)(self.this_arg, short_channel_id);
+ ret
+ }
+}
+
+// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
+// directly as a Deref trait in higher-level structs:
+impl std::ops::Deref for Score {
+ type Target = Self;
+ fn deref(&self) -> &Self {
+ self
+ }
+}
+/// Calls the free function if one is set
+#[no_mangle]
+pub extern "C" fn Score_free(this_ptr: Score) { }
+impl Drop for Score {
+ fn drop(&mut self) {
+ if let Some(f) = self.free {
+ f(self.this_arg);
+ }
+ }
+}