feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/node/network/bridge/src/errors.rs

@@ -0,0 +1,36 @@
+// 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/>.
+
+use pezkuwi_node_subsystem::SubsystemError;
+pub(crate) use pezkuwi_overseer::OverseerError;
+
+#[fatality::fatality(splitable)]
+pub(crate) enum Error {
+	/// Received error from overseer:
+	#[fatal]
+	#[error(transparent)]
+	SubsystemError(#[from] SubsystemError),
+	/// The stream of incoming events concluded.
+	#[fatal]
+	#[error("Event stream closed unexpectedly")]
+	EventStreamConcluded,
+}
+
+impl From<OverseerError> for Error {
+	fn from(e: OverseerError) -> Self {
+		Error::SubsystemError(SubsystemError::from(e))
+	}
+}