Update request_refund_payment to use Bolt12CreationError

Updated request_refund_payment method in ChannelManager to replace
Bolt12SemanticError with Bolt12CreationError.

lightning/src/ln/channelmanager.rs

@@ -8969,7 +8969,7 @@ where
 	/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
 	pub fn request_refund_payment(
 		&self, refund: &Refund
-	) -> Result<Bolt12Invoice, Bolt12SemanticError> {
+	) -> Result<Bolt12Invoice, Bolt12CreationError> {
 		let expanded_key = &self.inbound_payment_key;
 		let entropy = &*self.entropy_source;
 		let secp_ctx = &self.secp_ctx;
@@ -8978,7 +8978,7 @@ where
 		let relative_expiry = DEFAULT_RELATIVE_EXPIRY.as_secs() as u32;
 
 		if refund.chain() != self.chain_hash {
-			return Err(Bolt12SemanticError::UnsupportedChain);
+			return Err(Bolt12CreationError::InvalidSemantics(Bolt12SemanticError::UnsupportedChain));
 		}
 
 		let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
@@ -8989,7 +8989,7 @@ where
 				let payment_paths = self.create_blinded_payment_paths(
 					amount_msats, payment_secret, payment_context
 				)
-					.map_err(|_| Bolt12SemanticError::MissingPaths)?;
+					.map_err(|_| Bolt12CreationError::InvalidSemantics(Bolt12SemanticError::MissingPaths))?;
 
 				#[cfg(feature = "std")]
 				let builder = refund.respond_using_derived_keys(
@@ -9006,7 +9006,7 @@ where
 				let builder: InvoiceBuilder<DerivedSigningPubkey> = builder.into();
 				let invoice = builder.allow_mpp().build_and_sign(secp_ctx)?;
 				let reply_paths = self.create_blinded_paths(OffersContext::Unknown {})
-					.map_err(|_| Bolt12SemanticError::MissingPaths)?;
+					.map_err(|_| Bolt12CreationError::InvalidSemantics(Bolt12SemanticError::MissingPaths))?;
 
 				let mut pending_offers_messages = self.pending_offers_messages.lock().unwrap();
 				if refund.paths().is_empty() {
@@ -9035,7 +9035,7 @@ where
 
 				Ok(invoice)
 			},
-			Err(()) => Err(Bolt12SemanticError::InvalidAmount),
+			Err(()) => Err(Bolt12CreationError::InvalidSemantics(Bolt12SemanticError::InvalidAmount)),
 		}
 	}