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64660ee8d2
* Happy New Year! * Remove year entierly Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Remove years from copyright notice in the entire repo --------- Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot 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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// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//
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//! Error handling related code and Error/Result definitions.
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use futures::channel::oneshot;
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use polkadot_node_subsystem::errors::RuntimeApiError;
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use polkadot_primitives::SessionIndex;
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#[allow(missing_docs)]
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#[fatality::fatality(splitable)]
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pub enum Error {
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/// Runtime API subsystem is down, which means we're shutting down.
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#[fatal]
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#[error("Runtime request got canceled")]
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RuntimeRequestCanceled(oneshot::Canceled),
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/// Some request to the runtime failed.
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/// For example if we prune a block we're requesting info about.
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#[error("Runtime API error {0}")]
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RuntimeRequest(RuntimeApiError),
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/// We tried fetching a session info which was not available.
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#[error("There was no session with the given index {0}")]
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NoSuchSession(SessionIndex),
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}
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pub type Result<T> = std::result::Result<T, Error>;
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/// Receive a response from a runtime request and convert errors.
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pub(crate) async fn recv_runtime<V>(
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r: oneshot::Receiver<std::result::Result<V, RuntimeApiError>>,
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) -> Result<V> {
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let result = r
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.await
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.map_err(FatalError::RuntimeRequestCanceled)?
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.map_err(JfyiError::RuntimeRequest)?;
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Ok(result)
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}
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