remove unused code

Author: joostjager

lightning/src/ln/msgs.rs

@@ -766,6 +766,8 @@ pub struct UpdateFailHTLC {
 	/// The HTLC ID
 	pub htlc_id: u64,
 	pub(crate) reason: Vec<u8>,
+
+	/// Optional field for the attribution data that allows the sender to pinpoint the failing node under all conditions
 	pub attribution_data: Option<[u8; ATTRIBUTION_DATA_LEN]>
 }
 /// An [`update_fail_malformed_htlc`] message to be sent to or received from a peer.

lightning/src/ln/onion_utils.rs

@@ -1329,24 +1329,6 @@ where
 	}
 }
 
-
-struct AttributableFailure {
-	failure_index: usize,
-
-	result: AttributableFailureResult,
-}
-
-struct AttributableFailureSuccess {
-	message: Vec<u8>,
-	hold_times: Vec<u32>,
-}
-
-enum AttributableFailureResult {
-	Success(AttributableFailureSuccess),
-	InvalidPayload,
-	InvalidHmac
-}
-
 #[derive(Clone)]// See Channel::revoke_and_ack for why, tl;dr: Rust bug
 #[cfg_attr(test, derive(PartialEq))]
 pub(super) struct HTLCFailReason(HTLCFailReasonRepr);

lightning/src/util/ser.rs

@@ -713,8 +713,6 @@ impl_array!(8, u16);
 impl_array!(32, u16);
 
 impl_array!(920, u8);
-impl_array!(100, u8);
-impl_array!(840, u8);
 
 /// A type for variable-length values within TLV record where the length is encoded as part of the record.
 /// Used to prevent encoding the length twice.