mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 12:17:58 +00:00
Andrei Sandu
e8e201f0ff
fixes https://github.com/paritytech/polkadot-sdk/issues/3775 Additionally moves the claim queue fetch utilities into `subsystem-util`. TODO: - [x] fix tests - [x] add elastic scaling tests --------- Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>
138 lines
4.4 KiB
Rust
138 lines
4.4 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 polkadot_node_network_protocol::PeerId;
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use polkadot_node_subsystem::{RuntimeApiError, SubsystemError};
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use polkadot_node_subsystem_util::{
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backing_implicit_view::FetchError as ImplicitViewFetchError, runtime,
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};
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use polkadot_primitives::{CandidateHash, Hash, Id as ParaId};
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use futures::channel::oneshot;
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use crate::LOG_TARGET;
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/// General result.
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pub type Result<T> = std::result::Result<T, Error>;
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/// Result for non-fatal only failures.
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pub type JfyiErrorResult<T> = std::result::Result<T, JfyiError>;
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/// Result for fatal only failures.
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pub type FatalResult<T> = std::result::Result<T, FatalError>;
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use fatality::Nested;
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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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#[fatal]
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#[error("Requester receiver stream finished")]
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RequesterReceiverFinished,
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#[fatal]
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#[error("Responder receiver stream finished")]
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ResponderReceiverFinished,
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#[fatal]
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#[error("Spawning subsystem task failed")]
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SpawnTask(#[source] SubsystemError),
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#[fatal]
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#[error("Receiving message from overseer failed")]
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SubsystemReceive(#[source] SubsystemError),
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#[fatal(forward)]
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#[error("Error while accessing runtime information")]
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Runtime(#[from] runtime::Error),
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#[error("RuntimeAPISubsystem channel closed before receipt")]
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RuntimeApiUnavailable(#[source] oneshot::Canceled),
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#[error("Fetching persisted validation data for para {0:?}, {1:?}")]
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FetchPersistedValidationData(ParaId, RuntimeApiError),
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#[error("Fetching session index failed {0:?}")]
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FetchSessionIndex(RuntimeApiError),
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#[error("Fetching session info failed {0:?}")]
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FetchSessionInfo(RuntimeApiError),
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#[error("Fetching availability cores failed {0:?}")]
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FetchAvailabilityCores(RuntimeApiError),
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#[error("Fetching disabled validators failed {0:?}")]
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FetchDisabledValidators(runtime::Error),
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#[error("Fetching validator groups failed {0:?}")]
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FetchValidatorGroups(RuntimeApiError),
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#[error("Fetching claim queue failed {0:?}")]
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FetchClaimQueue(runtime::Error),
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#[error("Attempted to share statement when not a validator or not assigned")]
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InvalidShare,
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#[error("Relay parent could not be found in active heads")]
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NoSuchHead(Hash),
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#[error("Message from not connected peer")]
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NoSuchPeer(PeerId),
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#[error("Peer requested data for candidate it never received a notification for (malicious?)")]
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RequestedUnannouncedCandidate(PeerId, CandidateHash),
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// A large statement status was requested, which could not be found.
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#[error("Statement status does not exist")]
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NoSuchLargeStatementStatus(Hash, CandidateHash),
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// A fetched large statement was requested, but could not be found.
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#[error("Fetched large statement does not exist")]
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NoSuchFetchedLargeStatement(Hash, CandidateHash),
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// Responder no longer waits for our data. (Should not happen right now.)
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#[error("Oneshot `GetData` channel closed")]
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ResponderGetDataCanceled,
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// Failed to activate leaf due to a fetch error.
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#[error("Implicit view failure while activating leaf")]
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ActivateLeafFailure(ImplicitViewFetchError),
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}
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/// Utility for eating top level errors and log them.
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///
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/// We basically always want to try and continue on error. This utility function is meant to
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/// consume top-level errors by simply logging them.
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pub fn log_error(
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result: Result<()>,
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ctx: &'static str,
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warn_freq: &mut gum::Freq,
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) -> std::result::Result<(), FatalError> {
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match result.into_nested()? {
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Err(jfyi) => {
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match jfyi {
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JfyiError::RequestedUnannouncedCandidate(_, _) =>
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gum::warn!(target: LOG_TARGET, error = %jfyi, ctx),
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_ =>
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gum::warn_if_frequent!(freq: warn_freq, max_rate: gum::Times::PerHour(100), target: LOG_TARGET, error = %jfyi, ctx),
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}
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Ok(())
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},
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Ok(()) => Ok(()),
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}
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}
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