mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 17:28:00 +00:00
Shawn Tabrizi
65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
// Copyright 2017-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Initialization errors.
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/// Result type alias for the CLI.
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pub type Result<T> = std::result::Result<T, Error>;
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/// Error type for the CLI.
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#[derive(Debug, derive_more::Display, derive_more::From)]
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pub enum Error {
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/// Io error
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Io(std::io::Error),
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/// Cli error
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Cli(clap::Error),
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/// Service error
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Service(sc_service::Error),
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/// Client error
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Client(sp_blockchain::Error),
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/// Input error
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#[from(ignore)]
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Input(String),
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/// Invalid listen multiaddress
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#[display(fmt="Invalid listen multiaddress")]
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InvalidListenMultiaddress,
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/// Other uncategorized error.
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#[from(ignore)]
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Other(String),
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}
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/// Must be implemented explicitly because `derive_more` won't generate this
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/// case due to conflicting derive for `Other(String)`.
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impl std::convert::From<String> for Error {
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fn from(s: String) -> Error {
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Error::Input(s)
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}
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}
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impl std::error::Error for Error {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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match self {
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Error::Io(ref err) => Some(err),
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Error::Cli(ref err) => Some(err),
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Error::Service(ref err) => Some(err),
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Error::Client(ref err) => Some(err),
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Error::Input(_) => None,
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Error::InvalidListenMultiaddress => None,
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Error::Other(_) => None,
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}
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}
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}
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