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// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot 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.
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
//! Error handling related code and Error/Result definitions.
use sc_network_types::PeerId;
use codec::Error as DecodingError;
#[allow(missing_docs)]
#[fatality::fatality(splitable)]
pub enum Error {
// Incoming request stream exhausted. Should only happen on shutdown.
#[fatal]
#[error("Incoming request channel got closed.")]
RequestChannelExhausted,
/// Decoding failed, we were able to change the peer's reputation accordingly.
#[error("Decoding request failed for peer {0}.")]
DecodingError(PeerId, #[source] DecodingError),
/// Decoding failed, but sending reputation change failed.
#[error("Decoding request failed for peer {0}, and changing reputation failed.")]
DecodingErrorNoReputationChange(PeerId, #[source] DecodingError),
}
/// General result based on above `Error`.
pub type Result<T> = std::result::Result<T, Error>;