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/>.
+
+//! The `Error` and `Result` types used by the subsystem.
+
+use crate::LOG_TARGET;
+use fatality::{fatality, Nested};
+use futures::channel::oneshot;
+use pezkuwi_node_network_protocol::request_response::incoming;
+use pezkuwi_node_subsystem::{RecoveryError, SubsystemError};
+use pezkuwi_primitives::Hash;
+
+/// Error type used by the Availability Recovery subsystem.
+#[fatality(splitable)]
+pub enum Error {
+	#[fatal]
+	#[error("Spawning subsystem task failed: {0}")]
+	SpawnTask(#[source] SubsystemError),
+
+	/// Receiving subsystem message from overseer failed.
+	#[fatal]
+	#[error("Receiving message from overseer failed: {0}")]
+	SubsystemReceive(#[source] SubsystemError),
+
+	#[fatal]
+	#[error("failed to query full data from store")]
+	CanceledQueryFullData(#[source] oneshot::Canceled),
+
+	#[error("`SessionInfo` is `None` at {0}")]
+	SessionInfoUnavailable(Hash),
+
+	#[error("failed to query node features from runtime")]
+	RequestNodeFeatures(#[source] pezkuwi_node_subsystem_util::runtime::Error),
+
+	#[error("failed to send response")]
+	CanceledResponseSender,
+
+	#[error(transparent)]
+	Runtime(#[from] pezkuwi_node_subsystem::errors::RuntimeApiError),
+
+	#[error(transparent)]
+	Erasure(#[from] pezkuwi_erasure_coding::Error),
+
+	#[fatal]
+	#[error(transparent)]
+	Oneshot(#[from] oneshot::Canceled),
+
+	#[fatal(forward)]
+	#[error("Error during recovery: {0}")]
+	Recovery(#[from] RecoveryError),
+
+	#[fatal(forward)]
+	#[error("Retrieving next incoming request failed: {0}")]
+	IncomingRequest(#[from] incoming::Error),
+}
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+/// Utility for eating top level errors and log them.
+///
+/// We basically always want to try and continue on error, unless the error is fatal for the entire
+/// subsystem.
+pub fn log_error(result: Result<()>) -> std::result::Result<(), FatalError> {
+	match result.into_nested()? {
+		Ok(()) => Ok(()),
+		Err(jfyi) => {
+			jfyi.log();
+			Ok(())
+		},
+	}
+}
+
+impl JfyiError {
+	/// Log a `JfyiError`.
+	pub fn log(self) {
+		gum::warn!(target: LOG_TARGET, "{}", self);
+	}
+}