Examples: add a tor.js file that connects to a hidden service node, as a demo of how to do it.

examples/src/main/javascript/tor.js

@@ -0,0 +1,33 @@
+// Example of how to connect to a Tor hidden service and use it as a peer.
+// See demo.js to learn how to invoke this program.
+
+var bcj = org.bitcoinj;
+var params = bcj.params.MainNetParams.get();
+var context = new bcj.core.Context(params);
+bcj.utils.BriefLogFormatter.init();
+
+var InetAddress = Java.type("java.net.InetAddress");
+var InetSocketAddress = Java.type("java.net.InetSocketAddress");
+
+// Hack around the fact that PeerAddress assumes nodes have IP addresses. Simple enough for now.
+var OnionAddress = Java.extend(Java.type("org.bitcoinj.core.PeerAddress"), {
+    toSocketAddress: function() {
+        return InetSocketAddress.createUnresolved("hhiv5pnxenvbf4am.onion", params.port);
+    }
+});
+
+var pg = bcj.core.PeerGroup.newWithTor(context, null, new com.subgraph.orchid.TorClient(), false);
+// c'tor is bogus here: the passed in InetAddress will be ignored.
+pg.addAddress(new OnionAddress(InetAddress.localHost, params.port));
+pg.start();
+
+pg.waitForPeers(1).get();
+print("Connected to: " + pg.connectedPeers);
+
+for each (var peer in pg.connectedPeers) {
+    print(peer.peerVersionMessage.subVer);
+    peer.ping().get()
+}
+
+
+pg.stop();