X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fchain%2Fchaininterface.rs;h=687262be8a16c16be001fbaf1b813233cb382888;hb=82601052fe2cac04a6249f5930495e987923303b;hp=2c1d281f2a10ce6e82dac5191ffc8f09d2c12dd4;hpb=f10bdbea94cd8c638a42ab637a52e86a7cfd8157;p=ldk-c-bindings

diff --git a/lightning-c-bindings/src/lightning/chain/chaininterface.rs b/lightning-c-bindings/src/lightning/chain/chaininterface.rs
index 2c1d281..687262b 100644
--- a/lightning-c-bindings/src/lightning/chain/chaininterface.rs
+++ b/lightning-c-bindings/src/lightning/chain/chaininterface.rs
@@ -135,6 +135,15 @@ pub extern "C" fn ConfirmationTarget_normal() -> ConfirmationTarget {
 /// Utility method to constructs a new HighPriority-variant ConfirmationTarget
 pub extern "C" fn ConfirmationTarget_high_priority() -> ConfirmationTarget {
 	ConfirmationTarget::HighPriority}
+/// Generates a non-cryptographic 64-bit hash of the ConfirmationTarget.
+#[no_mangle]
+pub extern "C" fn ConfirmationTarget_hash(o: &ConfirmationTarget) -> u64 {
+	// Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core
+	#[allow(deprecated)]
+	let mut hasher = core::hash::SipHasher::new();
+	core::hash::Hash::hash(&o.to_native(), &mut hasher);
+	core::hash::Hasher::finish(&hasher)
+}
 /// Checks if two ConfirmationTargets contain equal inner contents.
 /// This ignores pointers and is_owned flags and looks at the values in fields.
 #[no_mangle]