/*

* 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 java.util.Set;

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

public class UTXOStore {

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

private LevelDbDataSource uTXODataSource;

public UTXOStore( ) {

uTXODataSource=new LevelDbDataSource(TRANSACTION_DB_NAME);

uTXODataSource.init();

}

public void reset(){

uTXODataSource.reset();

}

public byte[] find(byte[] key){

return uTXODataSource.get(key);

}

public Set<byte[]> getKeys(){

return uTXODataSource.keys();

}

/**

* save utxo

* @param utxoKey

* @param utxoData

*/

public void saveUTXO(byte[] utxoKey, byte[]utxoData){

uTXODataSource.put(utxoKey,utxoData);

}

public void close(){

uTXODataSource.close();

}

}