/******************************************************************************
* Copyright © 2013-2016 The Nxt Core Developers. *
* *
* See the AUTHORS.txt, DEVELOPER-AGREEMENT.txt and LICENSE.txt files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* Nxt software, including this file, may be copied, modified, propagated, *
* or distributed except according to the terms contained in the LICENSE.txt *
* file. *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
package nxt.http;
import nxt.Block;
import nxt.Nxt;
import nxt.NxtException;
import nxt.db.DbIterator;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONStreamAware;
import javax.servlet.http.HttpServletRequest;
public final class GetBlocks extends APIServlet.APIRequestHandler {
static final GetBlocks instance = new GetBlocks();
private GetBlocks() {
super(new APITag[] {APITag.BLOCKS}, "firstIndex", "lastIndex", "timestamp", "includeTransactions", "includeExecutedPhased");
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
int firstIndex = ParameterParser.getFirstIndex(req);
int lastIndex = ParameterParser.getLastIndex(req);
final int timestamp = ParameterParser.getTimestamp(req);
boolean includeTransactions = "true".equalsIgnoreCase(req.getParameter("includeTransactions"));
boolean includeExecutedPhased = "true".equalsIgnoreCase(req.getParameter("includeExecutedPhased"));
JSONArray blocks = new JSONArray();
try (DbIterator<? extends Block> iterator = Nxt.getBlockchain().getBlocks(firstIndex, lastIndex)) {
while (iterator.hasNext()) {
Block block = iterator.next();
if (block.getTimestamp() < timestamp) {
break;
}
blocks.add(JSONData.block(block, includeTransactions, includeExecutedPhased));
}
}
JSONObject response = new JSONObject();
response.put("blocks", blocks);
return response;
}
}