Files
pezkuwi-subxt/substrate/client/cli/src/error.rs
T
Bastian Köcher e3e651f72c Happy new year (#7814)
* Happy new year

Updates the copyright years and fixes wrong license headers.

* Fix the template

* Split HEADER into HEADER-APACHE & HEADER-GPL
2021-01-04 09:03:13 +00:00

99 lines
2.6 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2017-2021 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program 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.
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
//! Initialization errors.
use sp_core::crypto;
/// Result type alias for the CLI.
pub type Result<T> = std::result::Result<T, Error>;
/// Error type for the CLI.
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
Io(#[from] std::io::Error),
#[error(transparent)]
Cli(#[from] structopt::clap::Error),
#[error(transparent)]
Service(#[from] sc_service::Error),
#[error(transparent)]
Client(#[from] sp_blockchain::Error),
#[error(transparent)]
Codec(#[from] parity_scale_codec::Error),
#[error("Invalid input: {0}")]
Input(String),
#[error("Invalid listen multiaddress")]
InvalidListenMultiaddress,
#[error("Invalid URI; expecting either a secret URI or a public URI.")]
InvalidUri(crypto::PublicError),
#[error("Signature has an invalid length. Read {read} bytes, expected {expected} bytes")]
SignatureInvalidLength {
/// Amount of signature bytes read.
read: usize,
/// Expected number of signature bytes.
expected: usize,
},
#[error("Unknown key type, must be a known 4-character sequence")]
KeyTypeInvalid,
#[error("Signature verification failed")]
SignatureInvalid,
#[error("Key store operation failed")]
KeyStoreOperation,
#[error("Key storage issue encountered")]
KeyStorage(#[from] sc_keystore::Error),
#[error("Invalid hexadecimal string data")]
HexDataConversion(#[from] hex::FromHexError),
/// Application specific error chain sequence forwarder.
#[error(transparent)]
Application(#[from] Box<dyn std::error::Error + Send + Sync + 'static>),
}
impl std::convert::From<&str> for Error {
fn from(s: &str) -> Error {
Error::Input(s.to_string())
}
}
impl std::convert::From<String> for Error {
fn from(s: String) -> Error {
Error::Input(s)
}
}
impl std::convert::From<crypto::PublicError> for Error {
fn from(e: crypto::PublicError) -> Error {
Error::InvalidUri(e)
}
}