/*
 * Copyright 2018 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.
 */
package tech.pegasys.pantheon.ethereum.trie;

import tech.pegasys.pantheon.util.bytes.BytesValue;

import java.util.ArrayList;
import java.util.Optional;

interface NodeFactory<V> {

  Node<V> createExtension(BytesValue path, Node<V> child);

  Node<V> createBranch(byte leftIndex, Node<V> left, byte rightIndex, Node<V> right);

  Node<V> createBranch(ArrayList<Node<V>> newChildren, Optional<V> value);

  Node<V> createLeaf(BytesValue path, V value);
}
