- Uint256([rng, rng, rng, rng])
+ let mut res = [0; 32];
+ let data = byte_utils::le64_to_array(rng);
+ res[8*0..8*1].copy_from_slice(&data);
+ res[8*1..8*2].copy_from_slice(&data);
+ res[8*2..8*3].copy_from_slice(&data);
+ res[8*3..8*4].copy_from_slice(&data);
+ res