feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

2025-12-13 15:44:15 +03:00
commit e4778b4576
6838 changed files with 1847450 additions and 0 deletions
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+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi 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.
+
+// Pezkuwi 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 Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+//! Error handling related code and Error/Result definitions.
+
+use pezkuwi_node_network_protocol::PeerId;
+use pezkuwi_node_subsystem::{RuntimeApiError, SubsystemError};
+use pezkuwi_node_subsystem_util::{
+	backing_implicit_view::FetchError as ImplicitViewFetchError, runtime,
+};
+use pezkuwi_primitives::{CandidateHash, Hash, Id as ParaId};
+
+use futures::channel::oneshot;
+
+/// General result.
+pub type Result<T> = std::result::Result<T, Error>;
+/// Result for non-fatal only failures.
+pub type JfyiErrorResult<T> = std::result::Result<T, JfyiError>;
+/// Result for fatal only failures.
+pub type FatalResult<T> = std::result::Result<T, FatalError>;
+
+#[allow(missing_docs)]
+#[fatality::fatality(splitable)]
+pub enum Error {
+	#[fatal]
+	#[error("Requester receiver stream finished")]
+	RequesterReceiverFinished,
+
+	#[fatal]
+	#[error("Responder receiver stream finished")]
+	ResponderReceiverFinished,
+
+	#[fatal]
+	#[error("Spawning subsystem task failed")]
+	SpawnTask(#[source] SubsystemError),
+
+	#[fatal]
+	#[error("Receiving message from overseer failed")]
+	SubsystemReceive(#[source] SubsystemError),
+
+	#[fatal(forward)]
+	#[error("Error while accessing runtime information")]
+	Runtime(#[from] runtime::Error),
+
+	#[error("RuntimeAPISubsystem channel closed before receipt")]
+	RuntimeApiUnavailable(#[source] oneshot::Canceled),
+
+	#[error("Fetching persisted validation data for para {0:?}, {1:?}")]
+	FetchPersistedValidationData(ParaId, RuntimeApiError),
+
+	#[error("Fetching session index failed {0:?}")]
+	FetchSessionIndex(RuntimeApiError),
+
+	#[error("Fetching session info failed {0:?}")]
+	FetchSessionInfo(RuntimeApiError),
+
+	#[error("Fetching disabled validators failed {0:?}")]
+	FetchDisabledValidators(RuntimeApiError),
+
+	#[error("Fetching validator groups failed {0:?}")]
+	FetchValidatorGroups(RuntimeApiError),
+
+	#[error("Fetching claim queue failed {0:?}")]
+	FetchClaimQueue(RuntimeApiError),
+
+	#[error("Fetching minimum backing votes failed {0:?}")]
+	FetchMinimumBackingVotes(RuntimeApiError),
+
+	#[error("Fetching node features failed {0:?}")]
+	FetchNodeFeatures(RuntimeApiError),
+
+	#[error("Attempted to share statement when not a validator or not assigned")]
+	InvalidShare,
+
+	#[error("Relay parent could not be found in active heads")]
+	NoSuchHead(Hash),
+
+	#[error("Message from not connected peer")]
+	NoSuchPeer(PeerId),
+
+	#[error("Peer requested data for candidate it never received a notification for (malicious?)")]
+	RequestedUnannouncedCandidate(PeerId, CandidateHash),
+
+	// A large statement status was requested, which could not be found.
+	#[error("Statement status does not exist")]
+	NoSuchLargeStatementStatus(Hash, CandidateHash),
+
+	// A fetched large statement was requested, but could not be found.
+	#[error("Fetched large statement does not exist")]
+	NoSuchFetchedLargeStatement(Hash, CandidateHash),
+
+	// Responder no longer waits for our data. (Should not happen right now.)
+	#[error("Oneshot `GetData` channel closed")]
+	ResponderGetDataCanceled,
+
+	// Failed to activate leaf due to a fetch error.
+	#[error("Implicit view failure while activating leaf")]
+	ActivateLeafFailure(ImplicitViewFetchError),
+}