/*
 * Copyright Consensys Software Inc., 2022
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package tech.pegasys.teku.spec.datastructures.state.beaconstate.common.analysis;

import org.apache.tuweni.bytes.Bytes32;

public interface ValidatorStats {
  CorrectAndLiveValidators getValidatorStatsPreviousEpoch(final Bytes32 correctTargetRoot);

  CorrectAndLiveValidators getValidatorStatsCurrentEpoch(final Bytes32 correctTargetRoot);

  class CorrectAndLiveValidators {
    private final int numberOfCorrectValidators;
    private final int numberOfLiveValidators;

    public CorrectAndLiveValidators(
        final int numberOfCorrectValidators, final int numberOfLiveValidators) {
      this.numberOfCorrectValidators = numberOfCorrectValidators;
      this.numberOfLiveValidators = numberOfLiveValidators;
    }

    public int getNumberOfCorrectValidators() {
      return numberOfCorrectValidators;
    }

    public int getNumberOfLiveValidators() {
      return numberOfLiveValidators;
    }
  }
}
