+ fn sign_bolt12_invoice_request(
+ &self, _invoice_request: &UnsignedInvoiceRequest
+ ) -> Result<schnorr::Signature, ()> {
+ unreachable!()
+ }
+
+ fn sign_bolt12_invoice(
+ &self, _invoice: &UnsignedBolt12Invoice,
+ ) -> Result<schnorr::Signature, ()> {
+ unreachable!()
+ }
+