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1   package org.duniter.core.client.example;
2   
3   /*-
4    * #%L
5    * Duniter4j :: Core Client API
6    * %%
7    * Copyright (C) 2014 - 2017 Duniter Team
8    * %%
9    * This program is free software: you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as
11   * published by the Free Software Foundation, either version 3 of the
12   * License, or (at your option) any later version.
13   * 
14   * This program is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   * GNU General Public License for more details.
18   * 
19   * You should have received a copy of the GNU General Public
20   * License along with this program.  If not, see
21   * <http://www.gnu.org/licenses/gpl-3.0.html>.
22   * #L%
23   */
24  
25  import org.duniter.core.client.config.Configuration;
26  import org.duniter.core.client.model.bma.BlockchainBlock;
27  import org.duniter.core.client.model.local.Peer;
28  import org.duniter.core.client.service.ServiceLocator;
29  
30  public class Example1 {
31  
32      public static void main(String[] args) {
33  
34          // Init configuration
35          String configFilename = "duniter4j-config.properties";
36          Configuration config = new Configuration(configFilename, args);
37          Configuration.setInstance(config);
38  
39          // Set a wallet id (an identifier required for cache)
40          ServiceLocator.instance().getDataContext().setAccountId(0);
41  
42          // Initialize service locator
43          ServiceLocator.instance().init();
44  
45          // Create a peer, from configuration
46          Peer aPeer = Peer.newBuilder()
47                  .setHost(config.getNodeHost())
48                  .setPort(config.getNodePort())
49                  .build();
50  
51          // Do something fun !
52          BlockchainBlock currentBlock = ServiceLocator.instance().getBlockchainRemoteService().getCurrentBlock(aPeer);
53          System.out.println(String.format("Hello %s world !", currentBlock.getCurrency()));
54      }
55  }