// Copyright 2017-2020 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot 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.

// Polkadot 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 Polkadot.  If not, see <http://www.gnu.org/licenses/>.

//! Errors that can occur during the validation process.

use thiserror::Error;

/// Error type for validation
#[derive(Debug, Error)]
pub enum Error {
	/// Client error
	#[error(transparent)]
	Client(#[from] sp_blockchain::Error),
	/// Consensus error
	#[error(transparent)]
	Consensus(#[from] consensus::error::Error),
	/// Unexpected error checking inherents
	#[error("Unexpected error while checking inherents: {0}")]
	InherentError(inherents::Error),
}


impl std::convert::From<inherents::Error> for Error {
	fn from(inner: inherents::Error) -> Self {
		Self::InherentError(inner)
	}
}