+
+use lightning::routing::LockableScore as nativeLockableScoreImport;
+pub(crate) type nativeLockableScore = nativeLockableScoreImport<crate::lightning::routing::Score>;
+
+/// A scorer that is accessed under a lock.
+///
+/// Needed so that calls to [`Score::channel_penalty_msat`] in [`find_route`] can be made while
+/// having shared ownership of a scorer but without requiring internal locking in [`Score`]
+/// implementations. Internal locking would be detrimental to route finding performance and could
+/// result in [`Score::channel_penalty_msat`] returning a different value for the same channel.
+///
+/// [`find_route`]: crate::routing::router::find_route
+#[must_use]
+#[repr(C)]
+pub struct LockableScore {
+ /// A pointer to the opaque Rust object.
+
+ /// Nearly everywhere, inner must be non-null, however in places where
+ /// the Rust equivalent takes an Option, it may be set to null to indicate None.
+ pub inner: *mut nativeLockableScore,
+ /// Indicates that this is the only struct which contains the same pointer.
+
+ /// Rust functions which take ownership of an object provided via an argument require
+ /// this to be true and invalidate the object pointed to by inner.
+ pub is_owned: bool,
+}
+
+impl Drop for LockableScore {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeLockableScore>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
+ }
+ }
+}
+/// Frees any resources used by the LockableScore, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn LockableScore_free(this_obj: LockableScore) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn LockableScore_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeLockableScore); }
+}
+#[allow(unused)]
+impl LockableScore {
+ pub(crate) fn get_native_ref(&self) -> &'static nativeLockableScore {
+ unsafe { &*ObjOps::untweak_ptr(self.inner) }
+ }
+ pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeLockableScore {
+ unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
+ }
+ /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+ pub(crate) fn take_inner(mut self) -> *mut nativeLockableScore {
+ assert!(self.is_owned);
+ let ret = ObjOps::untweak_ptr(self.inner);
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+/// Constructs a new LockableScore from a Score
+#[must_use]
+#[no_mangle]
+pub extern "C" fn LockableScore_new(mut score: crate::lightning::routing::Score) -> LockableScore {
+ let mut ret = lightning::routing::LockableScore::new(score);
+ LockableScore { inner: ObjOps::heap_alloc(ret), is_owned: true }
+}
+
+#[no_mangle]
+/// Serialize the LockableScore object into a byte array which can be read by LockableScore_read
+pub extern "C" fn LockableScore_write(obj: &LockableScore) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
+}
+#[no_mangle]
+pub(crate) extern "C" fn LockableScore_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeLockableScore) })
+}