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CommitteeFactory.java
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CommitteeFactory.java
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/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.sharding.processing.consensus;
import org.ethereum.sharding.processing.state.Committee;
/**
* An interface of committee factory.
*
* <p>
* Used to produce new shards and committees array.
*
* <p>
* in: {@code [validators]} <br/>
* out: {@code [slot: [shardId, [validators]]]}
*
*
* @see Committee
*
* @author Mikhail Kalinin
* @since 14.09.2018
*/
public interface CommitteeFactory {
/**
* Creates new committees set.
*
* @param seed seed for random shuffling
* @param validators array of active validator numbers
* @param startShard shard id that first committee in resulting array will be assigned to
*
* @return shards and committee array for each slot of cycle
*
* @see BeaconConstants#CYCLE_LENGTH
*/
Committee[][] create(byte[] seed, int[] validators, int startShard);
}