/******************************************************************************
* 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.peer;
import nxt.Nxt;
import nxt.Transaction;
import nxt.util.JSON;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONStreamAware;
import java.util.List;
import java.util.SortedSet;
final class GetUnconfirmedTransactions extends PeerServlet.PeerRequestHandler {
static final GetUnconfirmedTransactions instance = new GetUnconfirmedTransactions();
private GetUnconfirmedTransactions() {}
@Override
JSONStreamAware processRequest(JSONObject request, Peer peer) {
List<String> exclude = (List<String>)request.get("exclude");
if (exclude == null) {
return JSON.emptyJSON;
}
SortedSet<? extends Transaction> transactionSet = Nxt.getTransactionProcessor().getCachedUnconfirmedTransactions(exclude);
JSONArray transactionsData = new JSONArray();
for (Transaction transaction : transactionSet) {
if (transactionsData.size() >= 100) {
break;
}
transactionsData.add(transaction.getJSONObject());
}
JSONObject response = new JSONObject();
response.put("unconfirmedTransactions", transactionsData);
return response;
}
@Override
boolean rejectWhileDownloading() {
return true;
}
}