openethereum/accounts/ethstore/src/error.rs
Afri Schoedon 7c335e8764
misc: bump license header to 2019 (#10135)
* misc: bump license header to 2019

* misc: remove_duplicate_empty_lines.sh

* misc: run license header script

* commit cargo lock
2019-01-07 11:33:07 +01:00

129 lines
3.6 KiB
Rust

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
use std::fmt;
use std::io::Error as IoError;
use ethkey::{self, Error as EthKeyError};
use crypto::{self, Error as EthCryptoError};
use ethkey::DerivationError;
/// Account-related errors.
#[derive(Debug)]
pub enum Error {
/// IO error
Io(IoError),
/// Invalid Password
InvalidPassword,
/// Account's secret is invalid.
InvalidSecret,
/// Invalid Vault Crypto meta.
InvalidCryptoMeta,
/// Invalid Account.
InvalidAccount,
/// Invalid Message.
InvalidMessage,
/// Invalid Key File
InvalidKeyFile(String),
/// Vaults are not supported.
VaultsAreNotSupported,
/// Unsupported vault
UnsupportedVault,
/// Invalid vault name
InvalidVaultName,
/// Vault not found
VaultNotFound,
/// Account creation failed.
CreationFailed,
/// `EthKey` error
EthKey(EthKeyError),
/// `ethkey::crypto::Error`
EthKeyCrypto(ethkey::crypto::Error),
/// `EthCrypto` error
EthCrypto(EthCryptoError),
/// Derivation error
Derivation(DerivationError),
/// Custom error
Custom(String),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
let s = match *self {
Error::Io(ref err) => err.to_string(),
Error::InvalidPassword => "Invalid password".into(),
Error::InvalidSecret => "Invalid secret".into(),
Error::InvalidCryptoMeta => "Invalid crypted metadata".into(),
Error::InvalidAccount => "Invalid account".into(),
Error::InvalidMessage => "Invalid message".into(),
Error::InvalidKeyFile(ref reason) => format!("Invalid key file: {}", reason),
Error::VaultsAreNotSupported => "Vaults are not supported".into(),
Error::UnsupportedVault => "Vault is not supported for this operation".into(),
Error::InvalidVaultName => "Invalid vault name".into(),
Error::VaultNotFound => "Vault not found".into(),
Error::CreationFailed => "Account creation failed".into(),
Error::EthKey(ref err) => err.to_string(),
Error::EthKeyCrypto(ref err) => err.to_string(),
Error::EthCrypto(ref err) => err.to_string(),
Error::Derivation(ref err) => format!("Derivation error: {:?}", err),
Error::Custom(ref s) => s.clone(),
};
write!(f, "{}", s)
}
}
impl From<IoError> for Error {
fn from(err: IoError) -> Self {
Error::Io(err)
}
}
impl From<EthKeyError> for Error {
fn from(err: EthKeyError) -> Self {
Error::EthKey(err)
}
}
impl From<ethkey::crypto::Error> for Error {
fn from(err: ethkey::crypto::Error) -> Self {
Error::EthKeyCrypto(err)
}
}
impl From<EthCryptoError> for Error {
fn from(err: EthCryptoError) -> Self {
Error::EthCrypto(err)
}
}
impl From<crypto::error::ScryptError> for Error {
fn from(err: crypto::error::ScryptError) -> Self {
Error::EthCrypto(err.into())
}
}
impl From<crypto::error::SymmError> for Error {
fn from(err: crypto::error::SymmError) -> Self {
Error::EthCrypto(err.into())
}
}
impl From<DerivationError> for Error {
fn from(err: DerivationError) -> Self {
Error::Derivation(err)
}
}