41 lines
1.2 KiB
Rust
41 lines
1.2 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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extern crate rand;
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use self::rand::random;
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use bloomchain::Bloom;
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pub fn generate_random_bloom() -> Bloom {
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let mut res = [0u8; 256];
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let p0 = random::<u8>();
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let b0 = random::<u8>() % 8;
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let p1 = random::<u8>();
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let b1 = random::<u8>() % 8;
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let p2 = random::<u8>();
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let b2 = random::<u8>() % 8;
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res[p0 as usize] |= 1 << b0;
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res[p1 as usize] |= 1 << b1;
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res[p2 as usize] |= 1 << b2;
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From::from(res)
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}
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pub fn generate_n_random_blooms(n: usize) -> Vec<Bloom> {
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(0..n).map(|_| generate_random_bloom()).collect()
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}
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