f comment

Author: TheBlueMatt

lightning/src/util/events.rs

@@ -1024,7 +1024,12 @@ impl MaybeReadable for Event {
 							prev_channel_id,
 							failed_next_destination,
 						}))
-					} else { Ok(None) }
+					} else {
+						// If we fail to read a `failed_next_destination` assume it's because
+						// `MaybeReadable::read` returned `Ok(None)`, though it's also possible we
+						// were simply missing the field.
+						Ok(None)
+					}
 				};
 				f()
 			},