f - remove Option from some Offer method return values

Author: jkczyz

lightning/src/offers/offer.rs

@@ -478,6 +478,8 @@ impl TryFrom<OfferTlvStream> for OfferContents {
 			Some(description) => description,
 		};
 
+		let features = features.unwrap_or_else(OfferFeatures::empty);
+
 		let absolute_expiry = absolute_expiry
 			.map(|seconds_from_epoch| Duration::from_secs(seconds_from_epoch));