a0f406e26b
* Upgrade Eth types ethereum-types -> 0.9.2 rlp -> 0.4.6 keccak-hash -> 0.5.0 parity-crypto -> 0.6.2 ethabi -> 0.12.0 ethabi-derive -> 0.12.0 ethabi-contract -> 0.11.0 ethbloom -> 0.9.1 rand -> 0.7.3 trie-standardmap -> 0.15.2 triehash -> 0.5.0 * backport #10714. Small changes, merge fixes Co-authored-by: mdben1247 <mdben1247@users.noreply.github.com>
48 lines
1.4 KiB
Rust
48 lines
1.4 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
|
|
// This file is part of OpenEthereum.
|
|
|
|
// OpenEthereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// OpenEthereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use rand::{distributions::Alphanumeric, rngs::OsRng, Rng, RngCore};
|
|
|
|
pub trait Random {
|
|
fn random() -> Self
|
|
where
|
|
Self: Sized;
|
|
}
|
|
|
|
impl Random for [u8; 16] {
|
|
fn random() -> Self {
|
|
let mut result = [0u8; 16];
|
|
let mut rng = OsRng;
|
|
rng.fill_bytes(&mut result);
|
|
result
|
|
}
|
|
}
|
|
|
|
impl Random for [u8; 32] {
|
|
fn random() -> Self {
|
|
let mut result = [0u8; 32];
|
|
let mut rng = OsRng;
|
|
rng.fill_bytes(&mut result);
|
|
result
|
|
}
|
|
}
|
|
|
|
/// Generate a random string of given length.
|
|
pub fn random_string(length: usize) -> String {
|
|
let rng = OsRng;
|
|
rng.sample_iter(&Alphanumeric).take(length).collect()
|
|
}
|