Muta Fixed Codec Derive

FixedCodec Trait

pub trait FixedCodec: Sized {
    fn encode_fixed(&self) -> ProtocolResult<Bytes>;

    fn decode_fixed(bytes: Bytes) -> ProtocolResult<Self>;
}

#[derive(RlpFixedCodec)]

Use rlp to derive FixedCodec trait.

lib.rs:

Derive macro #[derive(RlpFixedCodec)]