OffersMessageHandler trait for OnionMessenger

[rust-lightning] / lightning / src / onion_message / offers.rs

diff --git a/lightning/src/onion_message/offers.rs b/lightning/src/onion_message/offers.rs
index 36363c90a629032c6a514347d9d9889e1959ac20..98276d1bfb74d1fb617a3b8c71892a0280d2593b 100644 (file)
--- a/lightning/src/onion_message/offers.rs
+++ b/lightning/src/onion_message/offers.rs
@@ -26,6 +26,15 @@ const INVOICE_REQUEST_TLV_TYPE: u64 = 64;
 const INVOICE_TLV_TYPE: u64 = 66;
 const INVOICE_ERROR_TLV_TYPE: u64 = 68;
 
+/// A handler for an [`OnionMessage`] containing a BOLT 12 Offers message as its payload.
+///
+/// [`OnionMessage`]: crate::ln::msgs::OnionMessage
+pub trait OffersMessageHandler {
+       /// Handles the given message by either responding with an [`Invoice`], sending a payment, or
+       /// replying with an error.
+       fn handle_message(&self, message: OffersMessage);
+}
+
 /// Possible BOLT 12 Offers messages sent and received via an [`OnionMessage`].
 ///
 /// [`OnionMessage`]: crate::ln::msgs::OnionMessage
@@ -82,7 +91,7 @@ impl Writeable for OffersMessage {
        }
 }
 
-impl<L: Logger> ReadableArgs<(u64, &L)> for OffersMessage {
+impl<L: Logger + ?Sized> ReadableArgs<(u64, &L)> for OffersMessage {
        fn read<R: Read>(r: &mut R, read_args: (u64, &L)) -> Result<Self, DecodeError> {
                let (tlv_type, logger) = read_args;
                if tlv_type == INVOICE_ERROR_TLV_TYPE {