Method write

types/src/header.rs:300–306

(&self, buf: &mut impl BufMut)

    }

    fn ssz_fixed_len() -> usize {
        PublicKey::SIZE
    }

    fn from_ssz_bytes(bytes: &[u8]) -> Result<Self, ssz::DecodeError> {
        if bytes.len() != PublicKey::SIZE {
            return Err(ssz::DecodeError::InvalidByteLength {
                len: bytes.len(),
                expected: PublicKey::SIZE,
            });