Add onHandShakePeer() to EthereumListener

ethereumj-core/src/main/java/org/ethereum/listener/EthereumListener.java

@@ -15,7 +15,7 @@ public interface EthereumListener {
     public void trace(String output);
 
     public void onBlock(Block block);
-
+    
     public void onRecvMessage(Message message);
 
     public void onSendMessage(Message message);
@@ -27,4 +27,7 @@ public interface EthereumListener {
     public void onSyncDone();
 
     public void onNoConnections();
+
+    public void onHandShakePeer();
+
 }

ethereumj-core/src/main/java/org/ethereum/listener/EthereumListenerAdapter.java

@@ -41,6 +41,11 @@ public class EthereumListenerAdapter implements EthereumListener {
 
     }
 
+    @Override
+    public void onHandShakePeer() {
+
+    }
+
     @Override
     public void onNoConnections() {
 

ethereumj-core/src/main/java/org/ethereum/listener/EthereumListenerWrapper.java

@@ -68,6 +68,12 @@ public class EthereumListenerWrapper implements EthereumListener {
             listener.onNoConnections();
     }
 
+    @Override
+    public void onHandShakePeer() {
+        if (listener != null)
+            listener.onHandShakePeer();
+    }
+
     public void addListener(EthereumListener listener) {
         if (listener != null)
             this.listener = listener;

ethereumj-core/src/main/java/org/ethereum/net/p2p/P2pHandler.java

@@ -243,6 +243,7 @@ public class P2pHandler extends SimpleChannelInboundHandler<P2pMessage> {
 
             //todo calculate the Offsets
             worldManager.getPeerDiscovery().getPeers().add(confirmedPeer);
+            worldManager.getListener().onHandShakePeer();
         }
     }