import org.bitcoinj.core.Block;
import org.bitcoinj.core.BlockChain;
import org.bitcoinj.core.Peer;
import org.bitcoinj.kits.WalletAppKit;
import org.bitcoinj.params.MainNetParams;
import org.bitcoinj.store.BlockStore;

public class DumpLastBlock {
  public static void main(String args[]) throws Exception {
    WalletAppKit kit = new WalletAppKit(MainNetParams.get(), new java.io.File("."), "test");
//    kit.startAndWait();
    kit.startAsync();           // mjh 11.01.15
    kit.awaitRunning();         // mjh 11.01.15
    BlockChain chain = kit.chain();
    BlockStore bs = chain.getBlockStore();
    Peer peer = kit.peerGroup().getDownloadPeer();
    Block b = peer.getBlock(bs.getChainHead().getHeader().getHash()).get();
    System.out.println(b);
  }
}