/*
 * Copyright 2013 Google Inc.
 * Copyright 2014 Andreas Schildbach
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.bitcoinj.tools;

import org.bitcoinj.core.*;
import org.bitcoinj.net.discovery.DnsDiscovery;
import org.bitcoinj.params.MainNetParams;
import org.bitcoinj.utils.BriefLogFormatter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class WatchMempool {
    private static Logger log = LoggerFactory.getLogger(WatchMempool.class);

    public static void main(String[] args) {
        BriefLogFormatter.init();
        NetworkParameters params = MainNetParams.get();
        PeerGroup peerGroup = new PeerGroup(params);
        peerGroup.addPeerDiscovery(new DnsDiscovery(params));
        peerGroup.addEventListener(new AbstractPeerEventListener() {
            @Override
            public void onTransaction(Peer peer, Transaction tx) {
                try {
                    if (tx.getOutputs().size() != 1) return;
                    if (!tx.getOutput(0).getScriptPubKey().isSentToRawPubKey()) return;
                    log.info("Saw raw pay to pubkey {}", tx);
                } catch (ScriptException e) {
                    e.printStackTrace();
                }
            }
        });
        peerGroup.startAsync();
    }
}
