/*
* 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.math.BigInteger;
import java.util.List;
public interface Blockchain {
long getSize();
BlockSummary add(Block block);
ImportResult tryToConnect(Block block);
void storeBlock(Block block, List<TransactionReceipt> receipts);
Block getBlockByNumber(long blockNr);
void setBestBlock(Block block);
Block getBestBlock();
boolean hasParentOnTheChain(Block block);
void close();
void updateTotalDifficulty(Block block);
BigInteger getTotalDifficulty();
void setTotalDifficulty(BigInteger totalDifficulty);
byte[] getBestBlockHash();
List<byte[]> getListOfHashesStartFrom(byte[] hash, int qty);
List<byte[]> getListOfHashesStartFromBlock(long blockNumber, int qty);
/**
* Returns the transaction info stored in the blockchain
* This doesn't involve pending transactions
* If transaction was included to more than one block (from different forks)
* the method returns TransactionInfo from the block on the main chain.
*/
TransactionInfo getTransactionInfo(byte[] hash);
Block getBlockByHash(byte[] hash);
List<Chain> getAltChains();
List<Block> getGarbage();
void setExitOn(long exitOn);
byte[] getMinerCoinbase();
boolean isBlockExist(byte[] hash);
List<BlockHeader> getListOfHeadersStartFrom(BlockIdentifier identifier, int skip, int limit, boolean reverse);
List<byte[]> getListOfBodiesByHashes(List<byte[]> hashes);
Block createNewBlock(Block parent, List<Transaction> transactions, List<BlockHeader> uncles);
}