let payment_data = match next_hop_data.format {
msgs::OnionHopDataFormat::Legacy { .. } => None,
msgs::OnionHopDataFormat::NonFinalNode { .. } => return_err!("Got non final data with an HMAC of 0", 0x4000 | 22, &[0;0]),
let payment_data = match next_hop_data.format {
msgs::OnionHopDataFormat::Legacy { .. } => None,
msgs::OnionHopDataFormat::NonFinalNode { .. } => return_err!("Got non final data with an HMAC of 0", 0x4000 | 22, &[0;0]),