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    // Copyright 2015-2017 Parity Technologies (UK) Ltd.
    // This file is part of Parity.

    // Parity 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.

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

    use util::{Bytes, U256, H256};
    use header::BlockNumber;

    /// Best block info.
    #[derive(Default)]
    pub struct BestBlock {
    	/// Best block hash.
    	pub hash: H256,
    	/// Best block number.
    	pub number: BlockNumber,
    	/// Best block total difficulty.
    	pub total_difficulty: U256,
    	/// Best block uncompressed bytes
    	pub block: Bytes,
    }

    /// Best ancient block info. If the blockchain has a gap this keeps track of where it starts.
    #[derive(Default)]
    pub struct BestAncientBlock {
    	/// Best block hash.
    	pub hash: H256,
    	/// Best block number.
    	pub number: BlockNumber,
    }

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