X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fonion_message%2Foffers.rs;h=9a1f59b84592eac465b718e8ee89c6037c24423e;hb=e4c44f3c5becabccdb6df4e4b30aaa14671f9705;hp=36363c90a629032c6a514347d9d9889e1959ac20;hpb=a799fc9b30f039bb921f0745439a64b4964d75ca;p=rust-lightning

diff --git a/lightning/src/onion_message/offers.rs b/lightning/src/onion_message/offers.rs
index 36363c90..9a1f59b8 100644
--- a/lightning/src/onion_message/offers.rs
+++ b/lightning/src/onion_message/offers.rs
@@ -14,8 +14,8 @@ use crate::io::{self, Read};
 use crate::ln::msgs::DecodeError;
 use crate::offers::invoice_error::InvoiceError;
 use crate::offers::invoice_request::InvoiceRequest;
-use crate::offers::invoice::Invoice;
-use crate::offers::parse::ParseError;
+use crate::offers::invoice::Bolt12Invoice;
+use crate::offers::parse::Bolt12ParseError;
 use crate::util::logger::Logger;
 use crate::util::ser::{Readable, ReadableArgs, Writeable, Writer};
 
@@ -26,20 +26,29 @@ 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 [`Bolt12Invoice`], sending a payment,
+	/// or replying with an error.
+	fn handle_message(&self, message: OffersMessage) -> Option<OffersMessage>;
+}
+
 /// Possible BOLT 12 Offers messages sent and received via an [`OnionMessage`].
 ///
 /// [`OnionMessage`]: crate::ln::msgs::OnionMessage
 #[derive(Debug)]
 pub enum OffersMessage {
-	/// A request for an [`Invoice`] for a particular [`Offer`].
+	/// A request for a [`Bolt12Invoice`] for a particular [`Offer`].
 	///
 	/// [`Offer`]: crate::offers::offer::Offer
 	InvoiceRequest(InvoiceRequest),
 
-	/// An [`Invoice`] sent in response to an [`InvoiceRequest`] or a [`Refund`].
+	/// A [`Bolt12Invoice`] sent in response to an [`InvoiceRequest`] or a [`Refund`].
 	///
 	/// [`Refund`]: crate::offers::refund::Refund
-	Invoice(Invoice),
+	Invoice(Bolt12Invoice),
 
 	/// An error from handling an [`OffersMessage`].
 	InvoiceError(InvoiceError),
@@ -63,11 +72,11 @@ impl OffersMessage {
 		}
 	}
 
-	fn parse(tlv_type: u64, bytes: Vec<u8>) -> Result<Self, ParseError> {
+	fn parse(tlv_type: u64, bytes: Vec<u8>) -> Result<Self, Bolt12ParseError> {
 		match tlv_type {
 			INVOICE_REQUEST_TLV_TYPE => Ok(Self::InvoiceRequest(InvoiceRequest::try_from(bytes)?)),
-			INVOICE_TLV_TYPE => Ok(Self::Invoice(Invoice::try_from(bytes)?)),
-			_ => Err(ParseError::Decode(DecodeError::InvalidValue)),
+			INVOICE_TLV_TYPE => Ok(Self::Invoice(Bolt12Invoice::try_from(bytes)?)),
+			_ => Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
 		}
 	}
 }
@@ -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 {
@@ -94,12 +103,12 @@ impl<L: Logger> ReadableArgs<(u64, &L)> for OffersMessage {
 
 		match Self::parse(tlv_type, bytes) {
 			Ok(message) => Ok(message),
-			Err(ParseError::Decode(e)) => Err(e),
-			Err(ParseError::InvalidSemantics(e)) => {
+			Err(Bolt12ParseError::Decode(e)) => Err(e),
+			Err(Bolt12ParseError::InvalidSemantics(e)) => {
 				log_trace!(logger, "Invalid semantics for TLV type {}: {:?}", tlv_type, e);
 				Err(DecodeError::InvalidValue)
 			},
-			Err(ParseError::InvalidSignature(e)) => {
+			Err(Bolt12ParseError::InvalidSignature(e)) => {
 				log_trace!(logger, "Invalid signature for TLV type {}: {:?}", tlv_type, e);
 				Err(DecodeError::InvalidValue)
 			},