Fail request_refund_payment for unsupported chain

[rust-lightning] / lightning / src / ln / channelmanager.rs

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index 02aa5efcd8153359a36e42382c8f1a2e9c165106..7bd395f999aa30da89dbdd1521dfbf8a864d7c3f 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -7919,8 +7919,10 @@ where
        ///
        /// # Errors
        ///
-       /// Errors if the parameterized [`Router`] is unable to create a blinded payment path or reply
-       /// path for the invoice.
+       /// Errors if:
+       /// - the refund is for an unsupported chain, or
+       /// - the parameterized [`Router`] is unable to create a blinded payment path or reply path for
+       ///   the invoice.
        ///
        /// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
        pub fn request_refund_payment(&self, refund: &Refund) -> Result<(), Bolt12SemanticError> {
@@ -7931,6 +7933,10 @@ where
                let amount_msats = refund.amount_msats();
                let relative_expiry = DEFAULT_RELATIVE_EXPIRY.as_secs() as u32;
 
+               if refund.chain() != self.chain_hash {
+                       return Err(Bolt12SemanticError::UnsupportedChain);
+               }
+
                match self.create_inbound_payment(Some(amount_msats), relative_expiry, None) {
                        Ok((payment_hash, payment_secret)) => {
                                let payment_paths = self.create_blinded_payment_paths(amount_msats, payment_secret)