/*

* java-tron is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* java-tron 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 General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

package org.tron.db;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.tron.datasource.leveldb.LevelDbDataSource;

import static org.tron.core.Constant.BLOCK_DB_NAME;

public class BlockStores {

private static final Logger logger = LoggerFactory.getLogger("BlockStores");

private LevelDbDataSource blockDbDataSource;

public BlockStores( ) {

blockDbDataSource=new LevelDbDataSource(BLOCK_DB_NAME);

blockDbDataSource.init();

}

/**

* save a block

* @param blockHash

* @param blockData

*/

public void saveBlock(byte[] blockHash, byte[] blockData){

blockDbDataSource.put(blockHash,blockData);

}

/**

* find a block by it's hash

* @param blockHash

* @return

*/

public byte[] findBlockByHash(byte[] blockHash){

return blockDbDataSource.get(blockHash);

}

/**

* delete a block

* @param blockHash

*/

public void deleteBlock(byte[] blockHash){

blockDbDataSource.delete(blockHash);

}

/***

* reset the database

*/

public void reset(){

blockDbDataSource.reset();

}

public void close(){

blockDbDataSource.close();

}

}