openethereum/util/bloomchain/tests/util/random.rs
Marek Kotewicz 668d910c44
bloom refactor (#7475)
* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor finished

* cleanup bloom mess

* simplify usage of Bloom in few places

* removed obsolete util/src/lib.rs

* removed commented out code

* ethereum-types 0.1.4

* updated ethereum-types and tiny-keccak
2018-01-14 22:43:28 +01:00

25 lines
529 B
Rust

extern crate rand;
use self::rand::random;
use bloomchain::Bloom;
pub fn generate_random_bloom() -> Bloom {
let mut res = [0u8; 256];
let p0 = random::<u8>();
let b0 = random::<u8>() % 8;
let p1 = random::<u8>();
let b1 = random::<u8>() % 8;
let p2 = random::<u8>();
let b2 = random::<u8>() % 8;
res[p0 as usize] |= 1 << b0;
res[p1 as usize] |= 1 << b1;
res[p2 as usize] |= 1 << b2;
From::from(res)
}
pub fn generate_n_random_blooms(n: usize) -> Vec<Bloom> {
(0..n).map(|_| generate_random_bloom()).collect()
}