Move BEEFY code to consensus (#13484)

* Move beefy primitives to consensus dir
* Move beefy gadget to client consensus folder
* Rename beefy crates

substrate/client/consensus/beefy/src/error.rs

@@ -0,0 +1,51 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
+
+// This program 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.
+
+// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
+
+//! BEEFY gadget specific errors
+//!
+//! Used for BEEFY gadget interal error handling only
+
+use std::fmt::Debug;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+	#[error("Backend: {0}")]
+	Backend(String),
+	#[error("Keystore error: {0}")]
+	Keystore(String),
+	#[error("Runtime api error: {0}")]
+	RuntimeApi(sp_api::ApiError),
+	#[error("Signature error: {0}")]
+	Signature(String),
+	#[error("Session uninitialized")]
+	UninitSession,
+}
+
+#[cfg(test)]
+impl PartialEq for Error {
+	fn eq(&self, other: &Self) -> bool {
+		match (self, other) {
+			(Error::Backend(s1), Error::Backend(s2)) => s1 == s2,
+			(Error::Keystore(s1), Error::Keystore(s2)) => s1 == s2,
+			(Error::RuntimeApi(_), Error::RuntimeApi(_)) => true,
+			(Error::Signature(s1), Error::Signature(s2)) => s1 == s2,
+			(Error::UninitSession, Error::UninitSession) => true,
+			_ => false,
+		}
+	}
+}