openethereum/ethstore/src/json/error.rs

51 lines
1.5 KiB
Rust

// Copyright 2015, 2016 Ethcore (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;
#[derive(Debug, PartialEq)]
pub enum Error {
UnsupportedCipher,
InvalidCipherParams,
UnsupportedKdf,
InvalidUUID,
UnsupportedVersion,
InvalidCiphertext,
InvalidH256,
InvalidPrf,
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
match *self {
Error::InvalidUUID => write!(f, "Invalid UUID"),
Error::UnsupportedVersion => write!(f, "Unsupported version"),
Error::UnsupportedKdf => write!(f, "Unsupported kdf"),
Error::InvalidCiphertext => write!(f, "Invalid ciphertext"),
Error::UnsupportedCipher => write!(f, "Unsupported cipher"),
Error::InvalidCipherParams => write!(f, "Invalid cipher params"),
Error::InvalidH256 => write!(f, "Invalid hash"),
Error::InvalidPrf => write!(f, "Invalid prf"),
}
}
}
impl Into<String> for Error {
fn into(self) -> String {
format!("{}", self)
}
}