f serialization (iterator)

Author: arik-so

lightning/src/ln/msgs.rs

@@ -1849,7 +1849,7 @@ mod fuzzy_internal_msgs {
 			/// List of blinded path options the last trampoline hop may choose to route through.
 			payment_paths: Vec<BlindedPaymentPath>,
 			/// If applicable, features of the BOLT12 invoice being paid.
-			invoice_features: Option<Bolt12InvoiceFeatures>
+			invoice_features: Option<Bolt12InvoiceFeatures>,
 		},
 	}
 
@@ -2781,12 +2781,13 @@ impl Writeable for OutboundTrampolinePayload {
 					p.inner_blinded_path().encode().into_iter().chain(p.payinfo.encode())
 				}).collect();
 				let blinded_path_tlv = (22, blinded_path_value);
+				let custom_tlvs: Vec<&(u64, Vec<u8>)> = core::iter::once(blinded_path_tlv).collect();
 
 				_encode_varint_length_prefixed_tlv!(w, {
 					(2, HighZeroBytesDroppedBigSize(*amt_to_forward), required),
 					(4, HighZeroBytesDroppedBigSize(*outgoing_cltv_value), required),
 					(21, invoice_features.as_ref().map(|m| WithoutLength(m)), option)
-				}, [&blinded_path_tlv]);
+				}, custom_tlvs.iter());
 			},
 		}
 		Ok(())