openethereum/ethcore/src/client/error.rs

56 lines
1.4 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 std::fmt::{Display, Formatter, Error as FmtError};
use util_error::UtilError;
use ethtrie::TrieError;
/// Client configuration errors.
#[derive(Debug)]
pub enum Error {
/// TrieDB-related error.
Trie(TrieError),
/// Util error
Util(UtilError),
}
impl From<TrieError> for Error {
fn from(err: TrieError) -> Self {
Error::Trie(err)
}
}
impl From<UtilError> for Error {
fn from(err: UtilError) -> Self {
Error::Util(err)
}
}
impl<E> From<Box<E>> for Error where Error: From<E> {
fn from(err: Box<E>) -> Self {
Error::from(*err)
}
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
match *self {
Error::Trie(ref err) => write!(f, "{}", err),
Error::Util(ref err) => write!(f, "{}", err),
}
}
}