/*
 * Copyright ConsenSys AG.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package org.hyperledger.besu.ethereum.blockcreation;

import org.hyperledger.besu.crypto.SecureRandomProvider;

import java.util.Iterator;
import java.util.Random;

/** Creates an everlasting random long value (for use in nonces). */
public class RandomNonceGenerator implements Iterable<Long> {

  private final Random longGenerator;

  public RandomNonceGenerator() {
    this.longGenerator = SecureRandomProvider.publicSecureRandom();
  }

  @Override
  public Iterator<Long> iterator() {
    return new Iterator<Long>() {
      @Override
      public boolean hasNext() {
        return true;
      }

      @Override
      public Long next() {
        return longGenerator.nextLong();
      }
    };
  }
}
