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// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum 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.

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

//! Clique specific parameters.

use ethjson;

/// `Clique` params.
pub struct CliqueParams {
    /// Period as defined in EIP
    pub period: u64,
    /// Epoch length as defined in EIP
    pub epoch: u64,
}

impl From<ethjson::spec::CliqueParams> for CliqueParams {
    fn from(p: ethjson::spec::CliqueParams) -> Self {
        let period = p.period.map_or_else(|| 30000 as u64, Into::into);
        let epoch = p.epoch.map_or_else(|| 15 as u64, Into::into);

        assert!(epoch > 0);

        CliqueParams { period, epoch }
    }
}