openethereum/util/bloomchain/src/group/database.rs

23 lines
891 B
Rust

// Copyright 2015-2018 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 group::{GroupPosition, BloomGroup};
/// Readonly `BloomGroup` database.
pub trait BloomGroupDatabase {
fn blooms_at(&self, position: &GroupPosition) -> Option<BloomGroup>;
}