/*
* 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.core;
import java.util.List;
/**
* @author Mikhail Kalinin
* @since 28.09.2015
*/
public interface PendingState extends org.ethereum.facade.PendingState {
/**
* Adds transactions received from the net to the list of wire transactions <br>
* Triggers an update of pending state
*
* @param transactions txs received from the net
* @return sublist of transactions with NEW_PENDING status
*/
List<Transaction> addPendingTransactions(List<Transaction> transactions);
/**
* Adds transaction to the list of pending state txs <br>
* For the moment this list is populated with txs sent by our peer only <br>
* Triggers an update of pending state
*
* @param tx transaction
*/
void addPendingTransaction(Transaction tx);
/**
* It should be called on each block imported as <b>BEST</b> <br>
* Does several things:
* <ul>
* <li>removes block's txs from pending state and wire lists</li>
* <li>removes outdated wire txs</li>
* <li>updates pending state</li>
* </ul>
*
* @param block block imported into blockchain as a <b>BEST</b> one
*/
void processBest(Block block, List<TransactionReceipt> receipts);
}