// Copyright 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/>.

//! The Approval Voting Subsystem.
//!
//! This subsystem is responsible for determining candidates to do approval checks
//! on, performing those approval checks, and tracking the assignments and approvals
//! of others. It uses this information to determine when candidates and blocks have
//! been sufficiently approved to finalize.

mod aux_schema;

/// A base unit of time, starting from the unix epoch, split into half-second intervals.
type Tick = u64;
