pub struct OnionHopData {
pub(crate) format: OnionHopDataFormat,
/// The value, in msat, of the payment after this hop's fee is deducted.
- /// Message serialization may panic if this value is more than 21 million Bitcoin.
pub(crate) amt_to_forward: u64,
pub(crate) outgoing_cltv_value: u32,
}