Java VersionMessage类代码示例

import com.google.bitcoin.core.VersionMessage; //导入依赖的package包/类
@Override
protected void onCreate(final Bundle savedInstanceState)
{
	super.onCreate(savedInstanceState);

	addPreferencesFromResource(R.xml.about);

	final ActionBar actionBar = getSupportActionBar();
	actionBar.setDisplayHomeAsUpEnabled(true);

	findPreference(KEY_ABOUT_VERSION).setSummary(((WalletApplication) getApplication()).packageInfo().versionName);
	findPreference(KEY_ABOUT_LICENSE).setSummary(Constants.LICENSE_URL);
	findPreference(KEY_ABOUT_SOURCE).setSummary(Constants.FORKED_FROM_SOURCE +Constants.SOURCE_URL);

	findPreference(KEY_ABOUT_MARKET_PUBLISHER).setSummary(Constants.MARKET_PUBLISHER_URL);

	findPreference(KEY_ABOUT_CREDITS_BITCOINJ).setTitle(getString(R.string.about_credits_bitcoinj_title, VersionMessage.BITCOINJ_VERSION));
	findPreference(KEY_ABOUT_CREDITS_BITCOINJ).setSummary("based on bitcoinj 0.11\n"+Constants.CREDITS_BITCOINJ_URL);
	findPreference(KEY_ABOUT_CREDITS_ZXING).setSummary(Constants.CREDITS_ZXING_URL);

	//findPreference(KEY_ABOUT_CREDITS_ICON).setSummary(Constants.CREDITS_ICON_URL);
	findPreference(KEY_ABOUT_MARKET_APP).setSummary(String.format(Constants.MARKET_APP_URL, getPackageName()));
	//findPreference(KEY_ABOUT_MARKET_PUBLISHER).setSummary(Constants.MARKET_PUBLISHER_URL);
       findPreference(KEY_ABOUT_CREDITS_WEBSITE).setSummary(Constants.CREDITS_WEBSITE_URL);
       findPreference(KEY_ABOUT_CREDITS_FORUM).setSummary(Constants.CREDITS_FORUM_URL);

}
 

import com.google.bitcoin.core.VersionMessage; //导入依赖的package包/类
@Override
public void onCreate(final Bundle savedInstanceState)
{
	super.onCreate(savedInstanceState);

	adapter = new ArrayAdapter<Peer>(activity, 0)
	{
		@Override
		public View getView(final int position, View row, final ViewGroup parent)
		{
			if (row == null)
				row = getLayoutInflater(null).inflate(R.layout.peer_list_row, null);

			final Peer peer = getItem(position);
			final VersionMessage versionMessage = peer.getPeerVersionMessage();
			final boolean isDownloading = peer.getDownloadData();

			final TextView rowIp = (TextView) row.findViewById(R.id.peer_list_row_ip);
			final InetAddress address = peer.getAddress().getAddr();
			final String hostname = hostnames.get(address);
			rowIp.setText(/*address.toString()*/hostname != null ? hostname : address.getHostAddress());

			final TextView rowHeight = (TextView) row.findViewById(R.id.peer_list_row_height);
			final long bestHeight = peer.getBestHeight();
			rowHeight.setText(bestHeight > 0 ? bestHeight + " blocks" : null);
			rowHeight.setTypeface(isDownloading ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);

			final TextView rowVersion = (TextView) row.findViewById(R.id.peer_list_row_version);
			rowVersion.setText(versionMessage.subVer);
			rowVersion.setTypeface(isDownloading ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);

			final TextView rowProtocol = (TextView) row.findViewById(R.id.peer_list_row_protocol);
			rowProtocol.setText("protocol: " + versionMessage.clientVersion);
			rowProtocol.setTypeface(isDownloading ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);

			final TextView rowPing = (TextView) row.findViewById(R.id.peer_list_row_ping);
			final long pingTime = peer.getPingTime();
			rowPing.setText(pingTime < Long.MAX_VALUE ? getString(R.string.peer_list_row_ping_time, pingTime) : null);
			rowPing.setTypeface(isDownloading ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);

			return row;
		}

		@Override
		public boolean isEnabled(final int position)
		{
			return false;
		}
	};
	setListAdapter(adapter);
}
 

import com.google.bitcoin.core.VersionMessage; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    BriefLogFormatter.init();
    System.out.println("=== DNS ===");
    printDNS();
    System.out.println("=== Version/chain heights ===");

    ArrayList<InetAddress> addrs = new ArrayList<InetAddress>();
    for (InetSocketAddress peer : dnsPeers) addrs.add(peer.getAddress());
    System.out.println("Scanning " + addrs.size() + " peers:");

    final NetworkParameters params = MainNetParams.get();
    final Object lock = new Object();
    final long[] bestHeight = new long[1];

    List<ListenableFuture<TCPNetworkConnection>> futures = Lists.newArrayList();
    for (final InetAddress addr : addrs) {
        final ListenableFuture<TCPNetworkConnection> future =
                TCPNetworkConnection.connectTo(params, new InetSocketAddress(addr, params.getPort()), 1000 /* timeout */, null);
        futures.add(future);
        // Once the connection has completed version handshaking ...
        Futures.addCallback(future, new FutureCallback<TCPNetworkConnection>() {
            public void onSuccess(TCPNetworkConnection conn) {
                // Check the chain height it claims to have.
                VersionMessage ver = conn.getVersionMessage();
                long nodeHeight = ver.bestHeight;
                synchronized (lock) {
                    long diff = bestHeight[0] - nodeHeight;
                    if (diff > 0) {
                        System.out.println("Node is behind by " + diff + " blocks: " + addr);
                    } else if (diff == 0) {
                        System.out.println("Node " + addr + " has " + nodeHeight + " blocks");
                        bestHeight[0] = nodeHeight;
                    } else if (diff < 0) {
                        System.out.println("Node is ahead by " + Math.abs(diff) + " blocks: " + addr);
                        bestHeight[0] = nodeHeight;
                    }
                }
                conn.close();
            }

            public void onFailure(Throwable throwable) {
                System.out.println("Failed to talk to " + addr + ": " + throwable.getMessage());
            }
        });
    }
    // Wait for every tried connection to finish.
    Futures.successfulAsList(futures).get();
}
 

import com.google.bitcoin.core.VersionMessage; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    BriefLogFormatter.init();
    System.out.println("=== DNS ===");
    printDNS();
    System.out.println("=== Version/chain heights ===");

    ArrayList<InetAddress> addrs = new ArrayList<InetAddress>();
    for (InetSocketAddress peer : dnsPeers) addrs.add(peer.getAddress());
    System.out.println("Scanning " + addrs.size() + " peers:");

    final NetworkParameters params = MainNetParams.get();
    final Object lock = new Object();
    final long[] bestHeight = new long[1];

    List<ListenableFuture<TCPNetworkConnection>> futures = Lists.newArrayList();
    for (final InetAddress addr : addrs) {
        final ListenableFuture<TCPNetworkConnection> future =
                TCPNetworkConnection.connectTo(params, new InetSocketAddress(addr, params.getPort()), 1000 /* timeout */);
        futures.add(future);
        // Once the connection has completed version handshaking ...
        Futures.addCallback(future, new FutureCallback<TCPNetworkConnection>() {
            public void onSuccess(TCPNetworkConnection conn) {
                // Check the chain height it claims to have.
                VersionMessage ver = conn.getVersionMessage();
                long nodeHeight = ver.bestHeight;
                synchronized (lock) {
                    long diff = bestHeight[0] - nodeHeight;
                    if (diff > 0) {
                        System.out.println("Node is behind by " + diff + " blocks: " + addr);
                    } else if (diff == 0) {
                        System.out.println("Node " + addr + " has " + nodeHeight + " blocks");
                        bestHeight[0] = nodeHeight;
                    } else if (diff < 0) {
                        System.out.println("Node is ahead by " + Math.abs(diff) + " blocks: " + addr);
                        bestHeight[0] = nodeHeight;
                    }
                }
                conn.close();
            }

            public void onFailure(Throwable throwable) {
                System.out.println("Failed to talk to " + addr + ": " + throwable.getMessage());
            }
        });
    }
    // Wait for every tried connection to finish.
    Futures.successfulAsList(futures).get();
}