openethereum/util/bloomchain/tests/util/from_hex.rs

33 lines
1.0 KiB
Rust

// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
use rustc_hex::FromHex as RustcFromHex;
use bloomchain::Bloom;
pub trait FromHex {
fn from_hex(s: &str) -> Self where Self: Sized;
}
impl FromHex for Bloom {
fn from_hex(s: &str) -> Self {
let mut res = [0u8; 256];
let v = s.from_hex().unwrap();
assert_eq!(res.len(), v.len());
res.copy_from_slice(&v);
From::from(res)
}
}