Remove authentication for P2P network, UI improvements

core/src/main/java/io/bitsquare/arbitration/ArbitratorManager.java

@@ -26,7 +26,7 @@ import io.bitsquare.common.crypto.KeyRing;
 import io.bitsquare.common.handlers.ErrorMessageHandler;
 import io.bitsquare.common.handlers.ResultHandler;
 import io.bitsquare.common.util.Utilities;
-import io.bitsquare.p2p.FirstPeerAuthenticatedListener;
+import io.bitsquare.p2p.NetWorkReadyListener;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.P2PService;
 import io.bitsquare.p2p.storage.HashMapChangedListener;
@@ -89,7 +89,7 @@ public class ArbitratorManager {
     ));
     private static final String publicKeyForTesting = "027a381b5333a56e1cc3d90d3a7d07f26509adf7029ed06fc997c656621f8da1ee";
     private final boolean isDevTest;
-    private FirstPeerAuthenticatedListener firstPeerAuthenticatedListener;
+    private NetWorkReadyListener netWorkReadyListener;
     private ScheduledThreadPoolExecutor republishArbitratorExecutor;
 
     @Inject
@@ -121,14 +121,14 @@ public class ArbitratorManager {
         if (user.getRegisteredArbitrator() != null) {
 
             P2PService p2PService = arbitratorService.getP2PService();
-            if (!p2PService.isAuthenticated()) {
-                firstPeerAuthenticatedListener = new FirstPeerAuthenticatedListener() {
+            if (!p2PService.isNetworkReady()) {
+                netWorkReadyListener = new NetWorkReadyListener() {
                     @Override
-                    public void onFirstPeerAuthenticated() {
+                    public void onBootstrapped() {
                         republishArbitrator();
                     }
                 };
-                p2PService.addP2PServiceListener(firstPeerAuthenticatedListener);
+                p2PService.addP2PServiceListener(netWorkReadyListener);
 
             } else {
                 republishArbitrator();
@@ -144,8 +144,8 @@ public class ArbitratorManager {
     }
 
     private void republishArbitrator() {
-        if (firstPeerAuthenticatedListener != null)
-            arbitratorService.getP2PService().removeP2PServiceListener(firstPeerAuthenticatedListener);
+        if (netWorkReadyListener != null)
+            arbitratorService.getP2PService().removeP2PServiceListener(netWorkReadyListener);
 
         Arbitrator registeredArbitrator = user.getRegisteredArbitrator();
         if (registeredArbitrator != null) {

core/src/main/java/io/bitsquare/arbitration/DisputeManager.java

@@ -26,8 +26,8 @@ import io.bitsquare.btc.exceptions.TransactionVerificationException;
 import io.bitsquare.btc.exceptions.WalletException;
 import io.bitsquare.common.crypto.KeyRing;
 import io.bitsquare.common.crypto.PubKeyRing;
-import io.bitsquare.p2p.FirstPeerAuthenticatedListener;
 import io.bitsquare.p2p.Message;
+import io.bitsquare.p2p.NetWorkReadyListener;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.P2PService;
 import io.bitsquare.p2p.messaging.DecryptedMsgWithPubKey;
@@ -67,7 +67,7 @@ public class DisputeManager {
     private final DisputeList<Dispute> disputes;
     transient private final ObservableList<Dispute> disputesObservableList;
     private final String disputeInfo;
-    private final FirstPeerAuthenticatedListener firstPeerAuthenticatedListener;
+    private final NetWorkReadyListener netWorkReadyListener;
     private final CopyOnWriteArraySet<DecryptedMsgWithPubKey> decryptedMailboxMessageWithPubKeys = new CopyOnWriteArraySet<>();
     private final CopyOnWriteArraySet<DecryptedMsgWithPubKey> decryptedMailMessageWithPubKeys = new CopyOnWriteArraySet<>();
 
@@ -106,22 +106,22 @@ public class DisputeManager {
 
         p2PService.addDecryptedMailListener((decryptedMessageWithPubKey, senderAddress) -> {
             decryptedMailMessageWithPubKeys.add(decryptedMessageWithPubKey);
-            if (p2PService.isAuthenticated())
+            if (p2PService.isNetworkReady())
                 applyMessages();
         });
         p2PService.addDecryptedMailboxListener((decryptedMessageWithPubKey, senderAddress) -> {
             decryptedMailboxMessageWithPubKeys.add(decryptedMessageWithPubKey);
-            if (p2PService.isAuthenticated())
+            if (p2PService.isNetworkReady())
                 applyMessages();
         });
 
-        firstPeerAuthenticatedListener = new FirstPeerAuthenticatedListener() {
+        netWorkReadyListener = new NetWorkReadyListener() {
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
                 applyMessages();
             }
         };
-        p2PService.addP2PServiceListener(firstPeerAuthenticatedListener);
+        p2PService.addP2PServiceListener(netWorkReadyListener);
     }
 
     private void applyMessages() {
@@ -143,7 +143,7 @@ public class DisputeManager {
         });
         decryptedMailboxMessageWithPubKeys.clear();
 
-        p2PService.removeP2PServiceListener(firstPeerAuthenticatedListener);
+        p2PService.removeP2PServiceListener(netWorkReadyListener);
     }
 
 

core/src/main/java/io/bitsquare/trade/TradeManager.java

@@ -18,6 +18,7 @@
 package io.bitsquare.trade;
 
 import com.google.common.util.concurrent.FutureCallback;
+import io.bitsquare.app.Log;
 import io.bitsquare.arbitration.ArbitratorManager;
 import io.bitsquare.btc.AddressEntry;
 import io.bitsquare.btc.TradeWalletService;
@@ -26,8 +27,8 @@ import io.bitsquare.common.UserThread;
 import io.bitsquare.common.crypto.KeyRing;
 import io.bitsquare.common.handlers.FaultHandler;
 import io.bitsquare.common.handlers.ResultHandler;
-import io.bitsquare.p2p.FirstPeerAuthenticatedListener;
 import io.bitsquare.p2p.Message;
+import io.bitsquare.p2p.NetWorkReadyListener;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.P2PService;
 import io.bitsquare.p2p.messaging.DecryptedMailListener;
@@ -81,7 +82,7 @@ public class TradeManager {
     private final Storage<TradableList<Trade>> tradableListStorage;
     private final TradableList<Trade> trades;
     private final BooleanProperty pendingTradesInitialized = new SimpleBooleanProperty();
-    private final FirstPeerAuthenticatedListener firstPeerAuthenticatedListener;
+    private final NetWorkReadyListener netWorkReadyListener;
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -99,6 +100,7 @@ public class TradeManager {
                         ArbitratorManager arbitratorManager,
                         P2PService p2PService,
                         @Named("storage.dir") File storageDir) {
+        Log.traceCall();
         this.user = user;
         this.keyRing = keyRing;
         this.walletService = walletService;
@@ -147,14 +149,15 @@ public class TradeManager {
             }
         });
 
-        firstPeerAuthenticatedListener = new FirstPeerAuthenticatedListener() {
+        netWorkReadyListener = new NetWorkReadyListener() {
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
+                Log.traceCall("onNetworkReady");
                 // give a bit delay to be sure other listeners have executed its work
                 UserThread.runAfter(() -> initPendingTrades(), 100, TimeUnit.MILLISECONDS);
             }
         };
-        p2PService.addP2PServiceListener(firstPeerAuthenticatedListener);
+        p2PService.addP2PServiceListener(netWorkReadyListener);
     }
 
 
@@ -163,7 +166,8 @@ public class TradeManager {
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     private void initPendingTrades() {
-        if (firstPeerAuthenticatedListener != null) p2PService.removeP2PServiceListener(firstPeerAuthenticatedListener);
+        Log.traceCall();
+        if (netWorkReadyListener != null) p2PService.removeP2PServiceListener(netWorkReadyListener);
 
         //List<Trade> failedTrades = new ArrayList<>();
         for (Trade trade : trades) {
@@ -178,7 +182,7 @@ public class TradeManager {
             trade.updateDepositTxFromWallet(tradeWalletService);
             initTrade(trade);
 
-            // after we are authenticated we remove mailbox messages. 
+            // after network is ready we remove mailbox messages. 
             DecryptedMsgWithPubKey mailboxMessage = trade.getMailboxMessage();
             if (mailboxMessage != null) {
                 log.trace("initPendingTrades/removeEntryFromMailbox mailboxMessage = " + mailboxMessage);

core/src/main/java/io/bitsquare/trade/offer/OpenOfferManager.java

@@ -24,8 +24,8 @@ import io.bitsquare.common.UserThread;
 import io.bitsquare.common.crypto.KeyRing;
 import io.bitsquare.common.handlers.ErrorMessageHandler;
 import io.bitsquare.common.handlers.ResultHandler;
-import io.bitsquare.p2p.FirstPeerAuthenticatedListener;
 import io.bitsquare.p2p.Message;
+import io.bitsquare.p2p.NetWorkReadyListener;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.P2PService;
 import io.bitsquare.p2p.messaging.SendMailMessageListener;
@@ -67,7 +67,7 @@ public class OpenOfferManager {
     private final TradableList<OpenOffer> openOffers;
     private final Storage<TradableList<OpenOffer>> openOffersStorage;
     private boolean shutDownRequested;
-    private FirstPeerAuthenticatedListener firstPeerAuthenticatedListener;
+    private NetWorkReadyListener netWorkReadyListener;
     private final Timer timer = new Timer();
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -103,12 +103,12 @@ public class OpenOfferManager {
                 "OpenOfferManager.ShutDownHook"));
 
         // Handler for incoming offer availability requests
-        p2PService.addDecryptedMailListener((decryptedMessageWithPubKey, peerAddress) -> {
+        p2PService.addDecryptedMailListener((decryptedMessageWithPubKey, peersNodeAddress) -> {
             // We get an encrypted message but don't do the signature check as we don't know the peer yet.
             // A basic sig check is in done also at decryption time
             Message message = decryptedMessageWithPubKey.message;
             if (message instanceof OfferAvailabilityRequest)
-                handleOfferAvailabilityRequest((OfferAvailabilityRequest) message, peerAddress);
+                handleOfferAvailabilityRequest((OfferAvailabilityRequest) message, peersNodeAddress);
         });
     }
 
@@ -126,14 +126,14 @@ public class OpenOfferManager {
         // Before the TTL is reached we re-publish our offers
         // If offer removal at shutdown fails we don't want to have long term dangling dead offers, so we set 
         // TTL quite short and use re-publish as strategy. Offerers need to be online anyway.
-        if (!p2PService.isAuthenticated()) {
-            firstPeerAuthenticatedListener = new FirstPeerAuthenticatedListener() {
+        if (!p2PService.isNetworkReady()) {
+            netWorkReadyListener = new NetWorkReadyListener() {
                 @Override
-                public void onFirstPeerAuthenticated() {
+                public void onBootstrapped() {
                     startRePublishThread();
                 }
             };
-            p2PService.addP2PServiceListener(firstPeerAuthenticatedListener);
+            p2PService.addP2PServiceListener(netWorkReadyListener);
 
         } else {
             startRePublishThread();
@@ -141,8 +141,8 @@ public class OpenOfferManager {
     }
 
     private void startRePublishThread() {
-        if (firstPeerAuthenticatedListener != null)
-            p2PService.removeP2PServiceListener(firstPeerAuthenticatedListener);
+        if (netWorkReadyListener != null)
+            p2PService.removeP2PServiceListener(netWorkReadyListener);
 
         long period = (long) (Offer.TTL * 0.8); // republish sufficiently before offer would expire
         TimerTask timerTask = new TimerTask() {

core/src/main/java/io/bitsquare/trade/protocol/availability/OfferAvailabilityProtocol.java

@@ -56,14 +56,14 @@ public class OfferAvailabilityProtocol {
         this.resultHandler = resultHandler;
         this.errorMessageHandler = errorMessageHandler;
 
-        decryptedMailListener = (decryptedMessageWithPubKey, peerAddress) -> {
+        decryptedMailListener = (decryptedMessageWithPubKey, peersNodeAddress) -> {
             Message message = decryptedMessageWithPubKey.message;
             if (message instanceof OfferMessage) {
                 OfferMessage offerMessage = (OfferMessage) message;
                 nonEmptyStringOf(offerMessage.offerId);
                 if (message instanceof OfferAvailabilityResponse
                         && model.offer.getId().equals(offerMessage.offerId)) {
-                    log.trace("handle OfferAvailabilityResponse = " + message.getClass().getSimpleName() + " from " + peerAddress);
+                    log.trace("handle OfferAvailabilityResponse = " + message.getClass().getSimpleName() + " from " + peersNodeAddress);
                     handle((OfferAvailabilityResponse) message);
                 }
             }

core/src/main/java/io/bitsquare/trade/protocol/trade/TradeProtocol.java

@@ -49,19 +49,19 @@ public abstract class TradeProtocol {
         this.trade = trade;
         this.processModel = trade.getProcessModel();
 
-        decryptedMailListener = (decryptedMessageWithPubKey, peerAddress) -> {
+        decryptedMailListener = (decryptedMessageWithPubKey, peersNodeAddress) -> {
             // We check the sig only as soon we have stored the peers pubKeyRing.
             PubKeyRing tradingPeerPubKeyRing = processModel.tradingPeer.getPubKeyRing();
             PublicKey signaturePubKey = decryptedMessageWithPubKey.signaturePubKey;
             if (tradingPeerPubKeyRing != null && signaturePubKey.equals(tradingPeerPubKeyRing.getSignaturePubKey())) {
                 Message message = decryptedMessageWithPubKey.message;
-                log.trace("handleNewMessage: message = " + message.getClass().getSimpleName() + " from " + peerAddress);
+                log.trace("handleNewMessage: message = " + message.getClass().getSimpleName() + " from " + peersNodeAddress);
                 if (message instanceof TradeMessage) {
                     TradeMessage tradeMessage = (TradeMessage) message;
                     nonEmptyStringOf(tradeMessage.tradeId);
 
                     if (tradeMessage.tradeId.equals(processModel.getId())) {
-                        doHandleDecryptedMessage(tradeMessage, peerAddress);
+                        doHandleDecryptedMessage(tradeMessage, peersNodeAddress);
                     }
                 }
             } else {

gui/src/main/java/io/bitsquare/gui/main/MainViewModel.java

@@ -113,7 +113,7 @@ public class MainViewModel implements ViewModel {
     private final User user;
     private int numBTCPeers = 0;
     private Timer checkForBtcSyncStateTimer;
-    private ChangeListener<Number> numAuthenticatedPeersListener, btcNumPeersListener;
+    private ChangeListener<Number> numConnectedPeersListener, btcNumPeersListener;
     private java.util.Timer numberofBtcPeersTimer;
     private java.util.Timer numberofP2PNetworkPeersTimer;
 
@@ -176,8 +176,8 @@ public class MainViewModel implements ViewModel {
     }
 
     public void shutDown() {
-        if (numAuthenticatedPeersListener != null)
-            p2PService.getNumAuthenticatedPeers().removeListener(numAuthenticatedPeersListener);
+        if (numConnectedPeersListener != null)
+            p2PService.getNumConnectedPeers().removeListener(numConnectedPeersListener);
 
         if (btcNumPeersListener != null)
             walletService.numPeersProperty().removeListener(btcNumPeersListener);
@@ -208,17 +208,17 @@ public class MainViewModel implements ViewModel {
 
             @Override
             public void onRequestingDataCompleted() {
-                if (p2PService.getNumAuthenticatedPeers().get() == 0) {
+                if (p2PService.getNumConnectedPeers().get() == 0) {
                     p2PNetworkInfo.set("Initial data received");
                 } else {
-                    updateP2pNetworkInfoWithPeersChanged(p2PService.getNumAuthenticatedPeers().get());
+                    updateP2pNetworkInfoWithPeersChanged(p2PService.getNumConnectedPeers().get());
                 }
                 p2pNetworkInitialized.set(true);
             }
 
             @Override
             public void onNoSeedNodeAvailable() {
-                if (p2PService.getNumAuthenticatedPeers().get() == 0) {
+                if (p2PService.getNumConnectedPeers().get() == 0) {
                     p2PNetworkInfo.set("No seed nodes available");
                 }
                 p2pNetworkInitialized.set(true);
@@ -226,7 +226,7 @@ public class MainViewModel implements ViewModel {
 
             @Override
             public void onNoPeersAvailable() {
-                if (p2PService.getNumAuthenticatedPeers().get() == 0) {
+                if (p2PService.getNumConnectedPeers().get() == 0) {
                     p2PNetworkWarnMsg.set("There are no seed nodes or persisted peers available for requesting data.\n" +
                             "Please check your internet connection or try to restart the application.");
                     p2PNetworkInfo.set("No seed nodes and peers available");
@@ -236,8 +236,8 @@ public class MainViewModel implements ViewModel {
             }
 
             @Override
-            public void onFirstPeerAuthenticated() {
-                updateP2pNetworkInfoWithPeersChanged(p2PService.getNumAuthenticatedPeers().get());
+            public void onBootstrapped() {
+                updateP2pNetworkInfoWithPeersChanged(p2PService.getNumConnectedPeers().get());
                 splashP2PNetworkProgress.set(1);
             }
 
@@ -248,7 +248,7 @@ public class MainViewModel implements ViewModel {
                         + throwable.getMessage() + ").\n" +
                         "Please check your internet connection or try to restart the application.");
                 splashP2PNetworkProgress.set(0);
-                if (p2PService.getNumAuthenticatedPeers().get() == 0)
+                if (p2PService.getNumConnectedPeers().get() == 0)
                     p2PNetworkLabelId.set("splash-error-state-msg");
             }
         });
@@ -385,14 +385,13 @@ public class MainViewModel implements ViewModel {
                     .show();
 
         // update nr of peers in footer
-        numAuthenticatedPeersListener = (observable, oldValue, newValue) -> {
-
+        numConnectedPeersListener = (observable, oldValue, newValue) -> {
             if ((int) oldValue > 0 && (int) newValue == 0) {
                 // give a bit of tolerance
                 if (numberofP2PNetworkPeersTimer != null)
                     numberofP2PNetworkPeersTimer.cancel();
                 numberofP2PNetworkPeersTimer = UserThread.runAfter(() -> {
-                    if (p2PService.getNumAuthenticatedPeers().get() == 0) {
+                    if (p2PService.getNumConnectedPeers().get() == 0) {
                         p2PNetworkWarnMsg.set("You lost the connection to all P2P network peers.\n" +
                                 "Maybe you lost your internet connection or your computer was in hibernate/sleep mode.");
                         p2PNetworkLabelId.set("splash-error-state-msg");
@@ -408,7 +407,7 @@ public class MainViewModel implements ViewModel {
 
             updateP2pNetworkInfoWithPeersChanged((int) newValue);
         };
-        p2PService.getNumAuthenticatedPeers().addListener(numAuthenticatedPeersListener);
+        p2PService.getNumConnectedPeers().addListener(numConnectedPeersListener);
 
         // now show app
         showAppScreen.set(true);
@@ -427,8 +426,8 @@ public class MainViewModel implements ViewModel {
         }
     }
 
-    private void updateP2pNetworkInfoWithPeersChanged(int numAuthenticatedPeers) {
-        p2PNetworkInfo.set("Nr. of connections: " + numAuthenticatedPeers);
+    private void updateP2pNetworkInfoWithPeersChanged(int numPeers) {
+        p2PNetworkInfo.set("Nr. of connections: " + numPeers);
     }
 
     private void displayAlertIfPresent(Alert alert) {

gui/src/main/java/io/bitsquare/gui/main/account/arbitratorregistration/ArbitratorRegistrationView.java

@@ -219,23 +219,23 @@ public class ArbitratorRegistrationView extends ActivatableViewAndModel<VBox, Ar
     }
 
     private void onRevoke() {
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             model.onRevoke(
                     () -> new Popup().information("You have successfully removed your arbitrator from the P2P network.").show(),
                     (errorMessage) -> new Popup().error("Could not remove arbitrator.\nError message: " + errorMessage).show());
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }
 
     private void onRegister() {
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             model.onRegister(
                     () -> new Popup().information("You have successfully registered your arbitrator to the P2P network.").show(),
                     (errorMessage) -> new Popup().error("Could not register arbitrator.\nError message: " + errorMessage).show());
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/account/arbitratorregistration/ArbitratorRegistrationViewModel.java

@@ -183,7 +183,7 @@ class ArbitratorRegistrationViewModel extends ActivatableViewModel {
         revokeButtonDisabled.set(!allDataValid || myArbitratorProperty.get() == null);
     }
 
-    boolean isAuthenticated() {
-        return p2PService.isAuthenticated();
+    boolean isNetworkReady() {
+        return p2PService.isNetworkReady();
     }
 }

gui/src/main/java/io/bitsquare/gui/main/funds/reserved/ReservedView.fxml

@@ -28,7 +28,7 @@
 
     <TableView fx:id="table" VBox.vgrow="ALWAYS">
         <columns>
-            <TableColumn text="Label" fx:id="labelColumn" minWidth="100" sortable="false"/>
+            <TableColumn text="Details" fx:id="detailsColumn" minWidth="100" sortable="false"/>
             <TableColumn text="Address" fx:id="addressColumn" minWidth="240" sortable="false"/>
             <TableColumn text="Balance" fx:id="balanceColumn" minWidth="90" sortable="false"/>
             <TableColumn text="Confirmations" fx:id="confidenceColumn" minWidth="30" sortable="false"/>

gui/src/main/java/io/bitsquare/gui/main/funds/reserved/ReservedView.java

@@ -50,7 +50,7 @@ public class ReservedView extends ActivatableView<VBox, Void> {
     @FXML
     TableView<ReservedListItem> table;
     @FXML
-    TableColumn<ReservedListItem, ReservedListItem> labelColumn, addressColumn, balanceColumn, confidenceColumn;
+    TableColumn<ReservedListItem, ReservedListItem> detailsColumn, addressColumn, balanceColumn, confidenceColumn;
 
     private final WalletService walletService;
     private final TradeManager tradeManager;
@@ -123,8 +123,8 @@ public class ReservedView extends ActivatableView<VBox, Void> {
     }
 
     private void setLabelColumnCellFactory() {
-        labelColumn.setCellValueFactory((addressListItem) -> new ReadOnlyObjectWrapper<>(addressListItem.getValue()));
-        labelColumn.setCellFactory(new Callback<TableColumn<ReservedListItem, ReservedListItem>,
+        detailsColumn.setCellValueFactory((addressListItem) -> new ReadOnlyObjectWrapper<>(addressListItem.getValue()));
+        detailsColumn.setCellFactory(new Callback<TableColumn<ReservedListItem, ReservedListItem>,
                 TableCell<ReservedListItem,
                         ReservedListItem>>() {
 

gui/src/main/java/io/bitsquare/gui/main/funds/withdrawal/WithdrawalView.fxml

@@ -29,7 +29,7 @@
 
     <TableView fx:id="table" VBox.vgrow="ALWAYS">
         <columns>
-            <TableColumn text="Label" fx:id="labelColumn" minWidth="100" sortable="false"/>
+            <TableColumn text="Details" fx:id="detailsColumn" minWidth="100" sortable="false"/>
             <TableColumn text="Address" fx:id="addressColumn" minWidth="240" sortable="false">
                 <cellValueFactory>
                     <PropertyValueFactory property="addressString"/>
@@ -37,6 +37,7 @@
             </TableColumn>
             <TableColumn text="Balance" fx:id="balanceColumn" minWidth="50" sortable="false"/>
             <TableColumn text="Confirmations" fx:id="confidenceColumn" minWidth="30" sortable="false"/>
+            <TableColumn text="" fx:id="selectColumn" prefWidth="80" sortable="false"/>
         </columns>
     </TableView>
 

gui/src/main/java/io/bitsquare/gui/main/funds/withdrawal/WithdrawalView.java

@@ -71,7 +71,7 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
     @FXML
     TextField withdrawFromTextField, withdrawToTextField, amountTextField;
     @FXML
-    TableColumn<WithdrawalListItem, WithdrawalListItem> labelColumn, addressColumn, balanceColumn, confidenceColumn;
+    TableColumn<WithdrawalListItem, WithdrawalListItem> detailsColumn, addressColumn, balanceColumn, confidenceColumn, selectColumn;
 
     private final WalletService walletService;
     private final TradeManager tradeManager;
@@ -114,6 +114,7 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
         setAddressColumnCellFactory();
         setBalanceColumnCellFactory();
         setConfidenceColumnCellFactory();
+        setSelectColumnCellFactory();
 
         if (BitsquareApp.DEV_MODE)
             withdrawToTextField.setText("mxAkWWaQBqwqcYstKzqLku3kzR6pbu2zHq");
@@ -262,8 +263,8 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
     }
 
     private void setLabelColumnCellFactory() {
-        labelColumn.setCellValueFactory((addressListItem) -> new ReadOnlyObjectWrapper<>(addressListItem.getValue()));
-        labelColumn.setCellFactory(new Callback<TableColumn<WithdrawalListItem, WithdrawalListItem>,
+        detailsColumn.setCellValueFactory((addressListItem) -> new ReadOnlyObjectWrapper<>(addressListItem.getValue()));
+        detailsColumn.setCellFactory(new Callback<TableColumn<WithdrawalListItem, WithdrawalListItem>,
                 TableCell<WithdrawalListItem,
                         WithdrawalListItem>>() {
 
@@ -272,21 +273,25 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
                     WithdrawalListItem> column) {
                 return new TableCell<WithdrawalListItem, WithdrawalListItem>() {
 
-                    private Hyperlink hyperlink;
-
                     @Override
                     public void updateItem(final WithdrawalListItem item, boolean empty) {
                         super.updateItem(item, empty);
 
                         if (item != null && !empty) {
-                            hyperlink = new Hyperlink(item.getLabel());
-                            if (item.getAddressEntry().getOfferId() != null) {
-                                Tooltip tooltip = new Tooltip(item.getAddressEntry().getShortOfferId());
-                                Tooltip.install(hyperlink, tooltip);
+                            if (detailsAvailable(item)) {
+                                Hyperlink hyperlink = new Hyperlink(item.getLabel());
+                                if (item.getAddressEntry().getOfferId() != null) {
+                                    Tooltip tooltip = new Tooltip(item.getAddressEntry().getShortOfferId());
+                                    Tooltip.install(hyperlink, tooltip);
 
-                                hyperlink.setOnAction(event -> openDetails(item));
+                                    hyperlink.setOnAction(event -> openDetails(item));
+                                    setGraphic(hyperlink);
+                                }
+                            } else {
+                                Label label = new Label("No info available");
+                                setGraphic(label);
                             }
-                            setGraphic(hyperlink);
+
                         } else {
                             setGraphic(null);
                             setId(null);
@@ -374,6 +379,42 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
                 });
     }
 
+    private void setSelectColumnCellFactory() {
+        selectColumn.setCellValueFactory((addressListItem) ->
+                new ReadOnlyObjectWrapper<>(addressListItem.getValue()));
+        selectColumn.setCellFactory(
+                new Callback<TableColumn<WithdrawalListItem, WithdrawalListItem>, TableCell<WithdrawalListItem,
+                        WithdrawalListItem>>() {
+
+                    @Override
+                    public TableCell<WithdrawalListItem, WithdrawalListItem> call(TableColumn<WithdrawalListItem,
+                            WithdrawalListItem> column) {
+                        return new TableCell<WithdrawalListItem, WithdrawalListItem>() {
+
+                            Button button = new Button("Select");
+
+                            @Override
+                            public void updateItem(final WithdrawalListItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty) {
+                                    button.setDefaultButton(true);
+                                    button.setMouseTransparent(true);
+                                    setGraphic(button);
+                                } else {
+                                    setGraphic(null);
+                                }
+                            }
+                        };
+                    }
+                });
+    }
+
+    private boolean detailsAvailable(WithdrawalListItem item) {
+        String offerId = item.getAddressEntry().getOfferId();
+        return closedTradableManager.getTradableById(offerId).isPresent() ||
+                failedTradesManager.getTradeById(offerId).isPresent();
+    }
+
     private void openDetails(WithdrawalListItem item) {
         String offerId = item.getAddressEntry().getOfferId();
         Optional<Tradable> tradableOptional = closedTradableManager.getTradableById(offerId);
@@ -384,8 +425,10 @@ public class WithdrawalView extends ActivatableView<VBox, Void> {
             } else if (tradable instanceof OpenOffer) {
                 offerDetailsPopup.show(tradable.getOffer());
             }
+        } else if (failedTradesManager.getTradeById(offerId).isPresent()) {
+            tradeDetailsPopup.show(failedTradesManager.getTradeById(offerId).get());
         } else {
-            failedTradesManager.getTradeById(offerId).ifPresent(trade -> tradeDetailsPopup.show(trade));
+            log.warn("no details available. A test with detailsAvailable() is missing.");
         }
     }
 }

gui/src/main/java/io/bitsquare/gui/main/offer/createoffer/CreateOfferView.java

@@ -199,7 +199,7 @@ public class CreateOfferView extends ActivatableViewAndModel<AnchorPane, CreateO
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     private void onPlaceOffer() {
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             Offer offer = model.createAndGetOffer();
             if (model.getShowPlaceOfferConfirmation()) {
                 offerDetailsPopup.onPlaceOffer(o -> model.onPlaceOffer(o)).show(offer);
@@ -214,7 +214,7 @@ public class CreateOfferView extends ActivatableViewAndModel<AnchorPane, CreateO
                 }
             }
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/offer/createoffer/CreateOfferViewModel.java

@@ -485,8 +485,8 @@ class CreateOfferViewModel extends ActivatableWithDataModel<CreateOfferDataModel
         return dataModel.hasAcceptedArbitrators();
     }
 
-    boolean isAuthenticated() {
-        return p2PService.isAuthenticated();
+    boolean isNetworkReady() {
+        return p2PService.isNetworkReady();
     }
 
     ///////////////////////////////////////////////////////////////////////////////////////////

gui/src/main/java/io/bitsquare/gui/main/offer/offerbook/OfferBookView.java

@@ -230,15 +230,15 @@ public class OfferBookView extends ActivatableViewAndModel<GridPane, OfferBookVi
     }
 
     private void onTakeOffer(Offer offer) {
-        if (model.isAuthenticated())
+        if (model.isNetworkReady())
             offerActionHandler.onTakeOffer(offer);
         else
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
     }
 
     private void onRemoveOpenOffer(Offer offer) {
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             new Popup().warning("Are you sure you want to remove that offer?\n" +
                     "The offer fee you have paid will be lost if you remove that offer.")
                     .actionButtonText("Remove offer")
@@ -246,7 +246,7 @@ public class OfferBookView extends ActivatableViewAndModel<GridPane, OfferBookVi
                     .closeButtonText("Don't remove the offer")
                     .show();
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/offer/offerbook/OfferBookViewModel.java

@@ -157,8 +157,8 @@ class OfferBookViewModel extends ActivatableViewModel {
         return list;
     }
 
-    boolean isAuthenticated() {
-        return p2PService.isAuthenticated();
+    boolean isNetworkReady() {
+        return p2PService.isNetworkReady();
     }
 
     public TradeCurrency getTradeCurrency() {

gui/src/main/java/io/bitsquare/gui/main/portfolio/openoffer/OpenOffersView.java

@@ -73,7 +73,7 @@ public class OpenOffersView extends ActivatableViewAndModel<VBox, OpenOffersView
     }
 
     private void onRemoveOpenOffer(OpenOffer openOffer) {
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             new Popup().warning("Are you sure you want to remove that offer?\n" +
                     "The offer fee you have paid will be lost if you remove that offer.")
                     .actionButtonText("Remove offer")
@@ -81,7 +81,7 @@ public class OpenOffersView extends ActivatableViewAndModel<VBox, OpenOffersView
                     .closeButtonText("Don't remove the offer")
                     .show();
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/portfolio/openoffer/OpenOffersViewModel.java

@@ -73,7 +73,7 @@ class OpenOffersViewModel extends ActivatableWithDataModel<OpenOffersDataModel>
         return formatter.formatDateTime(item.getOffer().getDate());
     }
 
-    boolean isAuthenticated() {
-        return p2PService.isAuthenticated();
+    boolean isNetworkReady() {
+        return p2PService.isNetworkReady();
     }
 }

gui/src/main/java/io/bitsquare/gui/main/portfolio/pendingtrades/PendingTradesViewModel.java

@@ -219,8 +219,8 @@ public class PendingTradesViewModel extends ActivatableWithDataModel<PendingTrad
         return btcAddressValidator;
     }
 
-    public boolean isAuthenticated() {
-        return p2PService.isAuthenticated();
+    public boolean isNetworkReady() {
+        return p2PService.isNetworkReady();
     }
 
     // columns

gui/src/main/java/io/bitsquare/gui/main/portfolio/pendingtrades/steps/ConfirmPaymentReceivedView.java

@@ -107,7 +107,7 @@ public class ConfirmPaymentReceivedView extends TradeStepDetailsView {
 
     private void onPaymentReceived(ActionEvent actionEvent) {
         log.debug("onPaymentReceived");
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             Preferences preferences = model.dataModel.getPreferences();
             String key = PopupId.PAYMENT_RECEIVED;
             if (preferences.showAgain(key) && !BitsquareApp.DEV_MODE) {
@@ -124,7 +124,7 @@ public class ConfirmPaymentReceivedView extends TradeStepDetailsView {
                 confirmPaymentReceived();
             }
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/portfolio/pendingtrades/steps/StartPaymentView.java

@@ -140,7 +140,7 @@ public class StartPaymentView extends TradeStepDetailsView {
 
     private void onPaymentStarted(ActionEvent actionEvent) {
         log.debug("onPaymentStarted");
-        if (model.isAuthenticated()) {
+        if (model.isNetworkReady()) {
             String key = PopupId.PAYMENT_SENT;
             if (preferences.showAgain(key) && !BitsquareApp.DEV_MODE) {
                 new Popup().headLine("Confirmation")
@@ -154,7 +154,7 @@ public class StartPaymentView extends TradeStepDetailsView {
                 confirmPaymentStarted();
             }
         } else {
-            new Popup().warning("You need to wait until your client is authenticated in the network.\n" +
+            new Popup().warning("You need to wait until your client is bootstrapped in the network.\n" +
                     "That might take up to about 2 minutes at startup.").show();
         }
     }

gui/src/main/java/io/bitsquare/gui/main/settings/network/NetworkSettingsView.fxml

@@ -37,7 +37,7 @@
     <ComboBox fx:id="netWorkComboBox" GridPane.rowIndex="0" GridPane.columnIndex="1"/>
 
     <Label fx:id="bitcoinPeersLabel" text="Connected peers:" GridPane.rowIndex="1"/>
-    <TextArea fx:id="bitcoinPeersTextArea" GridPane.rowIndex="1" GridPane.columnIndex="1"
+    <TextArea fx:id="bitcoinPeersTextArea" GridPane.rowIndex="1" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"
               editable="false" focusTraversable="false"/>
 
 
@@ -62,8 +62,8 @@
         </GridPane.margin>
     </TextField>
 
-    <Label fx:id="authenticatedPeersLabel" text="Authenticated peers:" GridPane.rowIndex="4"/>
-    <TextArea fx:id="authenticatedPeersTextArea" GridPane.rowIndex="4" GridPane.columnIndex="1"
+    <Label fx:id="p2PPeersLabel" text="Connected peers:" GridPane.rowIndex="4"/>
+    <TextArea fx:id="p2PPeersTextArea" GridPane.rowIndex="4" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"
               editable="false" focusTraversable="false"/>
 
     <columnConstraints>

gui/src/main/java/io/bitsquare/gui/main/settings/network/NetworkSettingsView.java

@@ -65,14 +65,14 @@ public class NetworkSettingsView extends ActivatableViewAndModel<GridPane, Activ
     @FXML
     ComboBox<BitcoinNetwork> netWorkComboBox;
     @FXML
-    TextArea bitcoinPeersTextArea, authenticatedPeersTextArea;
+    TextArea bitcoinPeersTextArea, p2PPeersTextArea;
     @FXML
-    Label bitcoinPeersLabel, authenticatedPeersLabel;
+    Label bitcoinPeersLabel, p2PPeersLabel;
 
     private P2PServiceListener p2PServiceListener;
-    private ChangeListener<Number> numAuthenticatedPeersChangeListener;
+    private ChangeListener<Number> numP2PPeersChangeListener;
     private ChangeListener<List<Peer>> bitcoinPeersChangeListener;
-    private final Set<NodeAddress> seedNodeNodeAddresses;
+    private final Set<NodeAddress> seedNodeAddresses;
 
     @Inject
     public NetworkSettingsView(WalletService walletService, P2PService p2PService, Preferences preferences,
@@ -84,14 +84,14 @@ public class NetworkSettingsView extends ActivatableViewAndModel<GridPane, Activ
         BitcoinNetwork bitcoinNetwork = preferences.getBitcoinNetwork();
 
         boolean useLocalhost = p2PService.getNetworkNode() instanceof LocalhostNetworkNode;
-        this.seedNodeNodeAddresses = seedNodesRepository.getSeedNodeAddresses(useLocalhost, bitcoinNetwork.ordinal());
+        this.seedNodeAddresses = seedNodesRepository.getSeedNodeAddresses(useLocalhost, bitcoinNetwork.ordinal());
     }
 
     public void initialize() {
         GridPane.setMargin(bitcoinPeersLabel, new Insets(4, 0, 0, 0));
         GridPane.setValignment(bitcoinPeersLabel, VPos.TOP);
-        GridPane.setMargin(authenticatedPeersLabel, new Insets(4, 0, 0, 0));
-        GridPane.setValignment(authenticatedPeersLabel, VPos.TOP);
+        GridPane.setMargin(p2PPeersLabel, new Insets(4, 0, 0, 0));
+        GridPane.setValignment(p2PPeersLabel, VPos.TOP);
         bitcoinPeersTextArea.setPrefRowCount(12);
         netWorkComboBox.setItems(FXCollections.observableArrayList(BitcoinNetwork.values()));
         netWorkComboBox.getSelectionModel().select(preferences.getBitcoinNetwork());
@@ -127,7 +127,7 @@ public class NetworkSettingsView extends ActivatableViewAndModel<GridPane, Activ
                 }
 
                 @Override
-                public void onFirstPeerAuthenticated() {
+                public void onBootstrapped() {
                 }
 
                 @Override
@@ -152,9 +152,9 @@ public class NetworkSettingsView extends ActivatableViewAndModel<GridPane, Activ
         walletService.connectedPeersProperty().addListener(bitcoinPeersChangeListener);
         updateBitcoinPeersTextArea();
 
-        numAuthenticatedPeersChangeListener = (observable, oldValue, newValue) -> updateAuthenticatedPeersTextArea();
-        p2PService.getNumAuthenticatedPeers().addListener(numAuthenticatedPeersChangeListener);
-        updateAuthenticatedPeersTextArea();
+        numP2PPeersChangeListener = (observable, oldValue, newValue) -> updateP2PPeersTextArea();
+        p2PService.getNumConnectedPeers().addListener(numP2PPeersChangeListener);
+        updateP2PPeersTextArea();
     }
 
     @Override
@@ -165,18 +165,18 @@ public class NetworkSettingsView extends ActivatableViewAndModel<GridPane, Activ
         if (bitcoinPeersChangeListener != null)
             walletService.connectedPeersProperty().removeListener(bitcoinPeersChangeListener);
 
-        if (numAuthenticatedPeersChangeListener != null)
-            p2PService.getNumAuthenticatedPeers().removeListener(numAuthenticatedPeersChangeListener);
+        if (numP2PPeersChangeListener != null)
+            p2PService.getNumConnectedPeers().removeListener(numP2PPeersChangeListener);
     }
 
-    private void updateAuthenticatedPeersTextArea() {
-        authenticatedPeersTextArea.clear();
-        p2PService.getAuthenticatedPeerNodeAddresses().stream().forEach(e -> {
-            if (authenticatedPeersTextArea.getText().length() > 0)
-                authenticatedPeersTextArea.appendText("\n");
-            authenticatedPeersTextArea.appendText(e.getFullAddress());
-            if (seedNodeNodeAddresses.contains(e))
-                authenticatedPeersTextArea.appendText(" (Seed node)");
+    private void updateP2PPeersTextArea() {
+        p2PPeersTextArea.clear();
+        p2PService.getNodeAddressesOfConnectedPeers().stream().forEach(e -> {
+            if (p2PPeersTextArea.getText().length() > 0)
+                p2PPeersTextArea.appendText("\n");
+            p2PPeersTextArea.appendText(e.getFullAddress());
+            if (seedNodeAddresses.contains(e))
+                p2PPeersTextArea.appendText(" (Seed node)");
         });
     }
 

gui/src/main/java/io/bitsquare/gui/util/Transitions.java

@@ -83,7 +83,7 @@ public class Transitions {
         fade.setInterpolator(Interpolator.EASE_IN);
         fade.setOnFinished(actionEvent -> {
             ((Pane) (node.getParent())).getChildren().remove(node);
-            Profiler.printMsgWithTime("fadeOutAndRemove");
+            //Profiler.printMsgWithTime("fadeOutAndRemove");
             if (handler != null)
                 handler.handle(actionEvent);
         });

network/src/main/java/io/bitsquare/p2p/AuthenticationException.java

@@ -1,9 +0,0 @@
-package io.bitsquare.p2p;
-
-public class AuthenticationException extends Exception {
-
-    public AuthenticationException(String message) {
-        super(message);
-    }
-
-}

network/src/main/java/io/bitsquare/p2p/NetWorkReadyListener.java

@@ -1,7 +1,7 @@
 package io.bitsquare.p2p;
 
 
-public abstract class FirstPeerAuthenticatedListener implements P2PServiceListener {
+public abstract class NetWorkReadyListener implements P2PServiceListener {
     @Override
     public void onTorNodeReady() {
     }
@@ -27,5 +27,5 @@ public abstract class FirstPeerAuthenticatedListener implements P2PServiceListen
     }
 
     @Override
-    abstract public void onFirstPeerAuthenticated();
+    abstract public void onBootstrapped();
 }

network/src/main/java/io/bitsquare/p2p/NetworkNotReadyException.java

@@ -0,0 +1,9 @@
+package io.bitsquare.p2p;
+
+public class NetworkNotReadyException extends RuntimeException {
+
+    public NetworkNotReadyException() {
+        super("You must have bootstrapped before adding data to the P2P network.");
+    }
+
+}

network/src/main/java/io/bitsquare/p2p/NodeAddress.java

@@ -39,6 +39,7 @@ public class NodeAddress implements Serializable {
 
         NodeAddress nodeAddress = (NodeAddress) o;
 
+        //noinspection SimplifiableIfStatement
         if (port != nodeAddress.port) return false;
         return !(hostName != null ? !hostName.equals(nodeAddress.hostName) : nodeAddress.hostName != null);
 

network/src/main/java/io/bitsquare/p2p/P2PService.java

@@ -8,6 +8,7 @@ import com.google.inject.name.Named;
 import io.bitsquare.app.Log;
 import io.bitsquare.app.ProgramArguments;
 import io.bitsquare.common.ByteArray;
+import io.bitsquare.common.UserThread;
 import io.bitsquare.common.crypto.CryptoException;
 import io.bitsquare.common.crypto.KeyRing;
 import io.bitsquare.common.crypto.PubKeyRing;
@@ -15,7 +16,8 @@ import io.bitsquare.crypto.EncryptionService;
 import io.bitsquare.crypto.SealedAndSignedMessage;
 import io.bitsquare.p2p.messaging.*;
 import io.bitsquare.p2p.network.*;
-import io.bitsquare.p2p.peers.AuthenticationListener;
+import io.bitsquare.p2p.peers.Broadcaster;
+import io.bitsquare.p2p.peers.PeerExchangeManager;
 import io.bitsquare.p2p.peers.PeerManager;
 import io.bitsquare.p2p.peers.RequestDataManager;
 import io.bitsquare.p2p.seed.SeedNodesRepository;
@@ -25,9 +27,10 @@ import io.bitsquare.p2p.storage.data.ExpirableMailboxPayload;
 import io.bitsquare.p2p.storage.data.ExpirablePayload;
 import io.bitsquare.p2p.storage.data.ProtectedData;
 import io.bitsquare.p2p.storage.data.ProtectedMailboxData;
-import io.bitsquare.storage.Storage;
 import javafx.beans.property.*;
+import javafx.beans.value.ChangeListener;
 import org.fxmisc.easybind.EasyBind;
+import org.fxmisc.easybind.Subscription;
 import org.fxmisc.easybind.monadic.MonadicBinding;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -42,42 +45,37 @@ import java.util.concurrent.CopyOnWriteArraySet;
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 
-public class P2PService implements SetupListener, MessageListener, ConnectionListener, HashMapChangedListener, AuthenticationListener {
+public class P2PService implements SetupListener, MessageListener, ConnectionListener, RequestDataManager.Listener, HashMapChangedListener {
     private static final Logger log = LoggerFactory.getLogger(P2PService.class);
 
-    private final SeedNodesRepository seedNodesRepository;
-    private final int port;
-    private final File torDir;
-    private final boolean useLocalhost;
-    protected final File storageDir;
-    private final Optional<EncryptionService> optionalEncryptionService;
-    private final Optional<KeyRing> optionalKeyRing;
+    protected final SeedNodesRepository seedNodesRepository;
+    protected final int port;
+    protected final File torDir;
+    protected final Optional<EncryptionService> optionalEncryptionService;
+    protected final Optional<KeyRing> optionalKeyRing;
 
     // set in init
-    protected NetworkNode networkNode;
-    protected PeerManager peerManager;
-    protected P2PDataStorage dataStorage;
+    private NetworkNode networkNode;
+    private P2PDataStorage p2PDataStorage;
+    private PeerManager peerManager;
+    private RequestDataManager requestDataManager;
+    private PeerExchangeManager peerExchangeManager;
 
-    private final CopyOnWriteArraySet<DecryptedMailListener> decryptedMailListeners = new CopyOnWriteArraySet<>();
-    private final CopyOnWriteArraySet<DecryptedMailboxListener> decryptedMailboxListeners = new CopyOnWriteArraySet<>();
-    protected final CopyOnWriteArraySet<P2PServiceListener> p2pServiceListeners = new CopyOnWriteArraySet<>();
+    @SuppressWarnings("FieldCanBeLocal")
+    private MonadicBinding<Boolean> networkReadyBinding;
+    private final Set<DecryptedMailListener> decryptedMailListeners = new CopyOnWriteArraySet<>();
+    private final Set<DecryptedMailboxListener> decryptedMailboxListeners = new CopyOnWriteArraySet<>();
+    private final Set<P2PServiceListener> p2pServiceListeners = new CopyOnWriteArraySet<>();
     private final Map<DecryptedMsgWithPubKey, ProtectedMailboxData> mailboxMap = new HashMap<>();
-    private final Set<NodeAddress> authenticatedPeerNodeAddresses = new HashSet<>();
-    private final CopyOnWriteArraySet<Runnable> shutDownResultHandlers = new CopyOnWriteArraySet<>();
-    protected final BooleanProperty hiddenServicePublished = new SimpleBooleanProperty();
-    private final BooleanProperty requestingDataCompleted = new SimpleBooleanProperty();
-    protected final BooleanProperty notAuthenticated = new SimpleBooleanProperty(true);
-    private final IntegerProperty numAuthenticatedPeers = new SimpleIntegerProperty(0);
+    private final Set<Runnable> shutDownResultHandlers = new CopyOnWriteArraySet<>();
+    private final BooleanProperty hiddenServicePublished = new SimpleBooleanProperty();
+    private final BooleanProperty preliminaryDataReceived = new SimpleBooleanProperty();
+    private final IntegerProperty numConnectedPeers = new SimpleIntegerProperty(0);
 
-    private NodeAddress seedNodeOfInitialDataRequest;
     private volatile boolean shutDownInProgress;
     private boolean shutDownComplete;
-    @SuppressWarnings("FieldCanBeLocal")
-    private MonadicBinding<Boolean> readyForAuthenticationBinding;
-    private final Storage<NodeAddress> dbStorage;
-    private NodeAddress myOnionNodeAddress;
-    protected RequestDataManager requestDataManager;
-    protected Set<NodeAddress> seedNodeNodeAddresses;
+    private ChangeListener<Connection.State> stateChangeListener;
+    private Subscription networkReadySubscription;
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -97,89 +95,52 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
         this.seedNodesRepository = seedNodesRepository;
         this.port = port;
         this.torDir = torDir;
-        this.useLocalhost = useLocalhost;
-        this.storageDir = storageDir;
 
         optionalEncryptionService = encryptionService == null ? Optional.empty() : Optional.of(encryptionService);
         optionalKeyRing = keyRing == null ? Optional.empty() : Optional.of(keyRing);
 
-        dbStorage = new Storage<>(storageDir);
 
-        init(networkId, storageDir);
+        init(useLocalhost, networkId, storageDir);
     }
 
-    private void init(int networkId, File storageDir) {
+    protected void init(boolean useLocalhost, int networkId, File storageDir) {
         Log.traceCall();
 
-        // lets check if we have already stored our onion address
-        NodeAddress persistedOnionNodeAddress = dbStorage.initAndGetPersisted("myOnionAddress");
-        if (persistedOnionNodeAddress != null)
-            this.myOnionNodeAddress = persistedOnionNodeAddress;
+        stateChangeListener = (observable, oldValue, newValue) -> {
+            Set<NodeAddress> nodeAddressesOfAllSucceededConnections = networkNode.getNodeAddressesOfSucceededConnections();
+            Set<Connection> allSucceededConnections = networkNode.getSucceededConnections();
+            log.info("List of peers (duplicates possible of inbound/outbound with same node address)\n" + nodeAddressesOfAllSucceededConnections);
+            log.info("Nr of connections: {} / {}", nodeAddressesOfAllSucceededConnections.size(), allSucceededConnections.size());
+            UserThread.execute(() -> numConnectedPeers.set(nodeAddressesOfAllSucceededConnections.size()));
+        };
 
-        seedNodeNodeAddresses = seedNodesRepository.getSeedNodeAddresses(useLocalhost, networkId);
-
-        // network node
         networkNode = useLocalhost ? new LocalhostNetworkNode(port) : new TorNetworkNode(port, torDir);
         networkNode.addConnectionListener(this);
         networkNode.addMessageListener(this);
 
-        // peer group 
-        peerManager = getNewPeerManager();
-        peerManager.setSeedNodeAddresses(seedNodeNodeAddresses);
-        peerManager.addAuthenticationListener(this);
+        Broadcaster broadcaster = new Broadcaster(networkNode);
 
-        // P2P network data storage 
-        dataStorage = new P2PDataStorage(peerManager, networkNode, storageDir);
-        dataStorage.addHashMapChangedListener(this);
+        p2PDataStorage = new P2PDataStorage(broadcaster, networkNode, storageDir);
+        p2PDataStorage.addHashMapChangedListener(this);
 
-        // Request data manager
-        requestDataManager = getNewRequestDataManager();
-        requestDataManager.setRequestDataManagerListener(new RequestDataManager.Listener() {
-            @Override
-            public void onNoSeedNodeAvailable() {
-                p2pServiceListeners.stream().forEach(e -> e.onNoSeedNodeAvailable());
-            }
+        Set<NodeAddress> seedNodeAddresses = seedNodesRepository.getSeedNodeAddresses(useLocalhost, networkId);
+        peerManager = new PeerManager(networkNode, seedNodeAddresses, storageDir);
 
-            @Override
-            public void onNoPeersAvailable() {
-                p2pServiceListeners.stream().forEach(e -> e.onNoPeersAvailable());
-            }
+        requestDataManager = new RequestDataManager(networkNode, p2PDataStorage, peerManager, seedNodeAddresses);
+        requestDataManager.setRequestDataManagerListener(this);
 
-            @Override
-            public void onDataReceived(NodeAddress nodeAddress) {
-                if (!requestingDataCompleted.get()) {
-                    seedNodeOfInitialDataRequest = nodeAddress;
-                    requestingDataCompleted.set(true);
-                }
-                p2pServiceListeners.stream().forEach(e -> e.onRequestingDataCompleted());
-            }
-        });
-        peerManager.addAuthenticationListener(requestDataManager);
+        peerExchangeManager = new PeerExchangeManager(networkNode, peerManager, seedNodeAddresses);
 
-        // Test multiple states to check when we are ready for authenticateSeedNode
-        // We need to have both the initial data delivered and the hidden service published before we 
-        // authenticate to a seed node. 
-        readyForAuthenticationBinding = getNewReadyForAuthenticationBinding();
-        readyForAuthenticationBinding.subscribe((observable, oldValue, newValue) -> {
+        // We need to have both the initial data delivered and the hidden service published
+        networkReadyBinding = EasyBind.combine(hiddenServicePublished, preliminaryDataReceived,
+                (hiddenServicePublished, preliminaryDataReceived)
+                        -> hiddenServicePublished && preliminaryDataReceived);
+        networkReadySubscription = networkReadyBinding.subscribe((observable, oldValue, newValue) -> {
             if (newValue)
-                authenticateToSeedNode();
+                onNetworkReady();
         });
     }
 
-    protected MonadicBinding<Boolean> getNewReadyForAuthenticationBinding() {
-        return EasyBind.combine(hiddenServicePublished, requestingDataCompleted, notAuthenticated,
-                (hiddenServicePublished, requestingDataCompleted, notAuthenticated)
-                        -> hiddenServicePublished && requestingDataCompleted && notAuthenticated);
-    }
-
-    protected PeerManager getNewPeerManager() {
-        return new PeerManager(networkNode, storageDir);
-    }
-
-    protected RequestDataManager getNewRequestDataManager() {
-        return new RequestDataManager(networkNode, dataStorage, peerManager);
-    }
-
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // API
@@ -200,8 +161,8 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
 
             shutDownResultHandlers.add(shutDownCompleteHandler);
 
-            if (dataStorage != null)
-                dataStorage.shutDown();
+            if (p2PDataStorage != null)
+                p2PDataStorage.shutDown();
 
             if (peerManager != null)
                 peerManager.shutDown();
@@ -209,11 +170,17 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
             if (requestDataManager != null)
                 requestDataManager.shutDown();
 
+            if (peerExchangeManager != null)
+                peerExchangeManager.shutDown();
+
             if (networkNode != null)
                 networkNode.shutDown(() -> {
-                    shutDownResultHandlers.stream().forEach(e -> e.run());
+                    shutDownResultHandlers.stream().forEach(Runnable::run);
                     shutDownComplete = true;
                 });
+
+            if (networkReadySubscription != null)
+                networkReadySubscription.unsubscribe();
         } else {
             log.debug("shutDown already in progress");
             if (shutDownComplete) {
@@ -229,16 +196,13 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
      * Startup sequence:
      * <p>
      * Variant 1 (normal expected mode):
-     * onTorNodeReady -> requestDataManager.requestData()
-     * RequestDataManager.Listener.onDataReceived && onHiddenServicePublished -> authenticateSeedNode()
-     * RequestDataManager.onPeerAddressAuthenticated -> RequestDataManager.requestDataFromAuthenticatedSeedNode()
+     * onTorNodeReady -> requestDataManager.firstDataRequestFromAnySeedNode()
+     * RequestDataManager.Listener.onDataReceived && onHiddenServicePublished -> onNetworkReady()
      * <p>
      * Variant 2 (no seed node available):
-     * onTorNodeReady -> requestDataManager.requestData
-     * RequestDataManager.Listener.onNoSeedNodeAvailable && onHiddenServicePublished -> retry after 20-30 until
-     * seed node is available and data can be retrieved
-     * RequestDataManager.Listener.onDataReceived && onHiddenServicePublished -> authenticateSeedNode()
-     * RequestDataManager.onPeerAddressAuthenticated -> RequestDataManager.requestDataFromAuthenticatedSeedNode()
+     * onTorNodeReady -> requestDataManager.firstDataRequestFromAnySeedNode
+     * retry after 20-30 sec until we get at least one seed node connected
+     * RequestDataManager.Listener.onDataReceived && onHiddenServicePublished -> onNetworkReady()
      */
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -247,25 +211,20 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     @Override
     public void onTorNodeReady() {
         Log.traceCall();
-        requestDataManager.requestDataFromSeedNodes(seedNodeNodeAddresses);
-        p2pServiceListeners.stream().forEach(e -> e.onTorNodeReady());
+        // 1
+        requestDataManager.requestPreliminaryData();
+        p2pServiceListeners.stream().forEach(SetupListener::onTorNodeReady);
     }
 
     @Override
     public void onHiddenServicePublished() {
         Log.traceCall();
+        // 3
         checkArgument(networkNode.getNodeAddress() != null, "Address must be set when we have the hidden service ready");
-        if (myOnionNodeAddress != null) {
-            checkArgument(networkNode.getNodeAddress().equals(myOnionNodeAddress),
-                    "If we are a seed node networkNode.getAddress() must be same as myOnionAddress.");
-        } else {
-            myOnionNodeAddress = networkNode.getNodeAddress();
-            dbStorage.queueUpForSave(myOnionNodeAddress);
-        }
 
         hiddenServicePublished.set(true);
 
-        p2pServiceListeners.stream().forEach(e -> e.onHiddenServicePublished());
+        p2pServiceListeners.stream().forEach(SetupListener::onHiddenServicePublished);
     }
 
     @Override
@@ -274,10 +233,52 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
         p2pServiceListeners.stream().forEach(e -> e.onSetupFailed(throwable));
     }
 
-    protected void authenticateToSeedNode() {
+
+    // Called from networkReadyBinding
+    private void onNetworkReady() {
         Log.traceCall();
-        checkNotNull(seedNodeOfInitialDataRequest != null, "seedNodeOfInitialDataRequest must not be null");
-        peerManager.authenticateToSeedNode(seedNodeOfInitialDataRequest);
+        networkReadySubscription.unsubscribe();
+
+        Optional<NodeAddress> seedNodeOfPreliminaryDataRequest = requestDataManager.getSeedNodeOfPreliminaryDataRequest();
+        checkArgument(seedNodeOfPreliminaryDataRequest.isPresent(),
+                "seedNodeOfPreliminaryDataRequest must be present");
+        // 4
+        requestDataManager.updateDataFromConnectedSeedNode();
+
+        // 5
+        peerExchangeManager.getReportedPeersFromFirstSeedNode(seedNodeOfPreliminaryDataRequest.get());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // RequestDataManager.Listener implementation
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onPreliminaryDataReceived() {
+        checkArgument(!preliminaryDataReceived.get(), "preliminaryDataReceived was already set before.");
+        // 2
+        preliminaryDataReceived.set(true);
+    }
+
+    @Override
+    public void onDataUpdate() {
+        // Result from requestDataManager.updateDataFromConnectedSeedNode();
+        p2pServiceListeners.stream().forEach(P2PServiceListener::onBootstrapped);
+    }
+
+    @Override
+    public void onNoSeedNodeAvailable() {
+        p2pServiceListeners.stream().forEach(P2PServiceListener::onNoSeedNodeAvailable);
+    }
+
+    @Override
+    public void onNoPeersAvailable() {
+        p2pServiceListeners.stream().forEach(P2PServiceListener::onNoPeersAvailable);
+    }
+
+    @Override
+    public void onDataReceived() {
+        p2pServiceListeners.stream().forEach(P2PServiceListener::onRequestingDataCompleted);
     }
 
 
@@ -287,13 +288,13 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
 
     @Override
     public void onConnection(Connection connection) {
+        connection.getStateProperty().addListener(stateChangeListener);
     }
 
     @Override
     public void onDisconnect(Reason reason, Connection connection) {
-        Log.traceCall();
-        connection.getPeerAddressOptional().ifPresent(peerAddresses -> authenticatedPeerNodeAddresses.remove(peerAddresses));
-        numAuthenticatedPeers.set(authenticatedPeerNodeAddresses.size());
+        connection.getStateProperty().removeListener(stateChangeListener);
+        UserThread.runAfter(() -> numConnectedPeers.set(networkNode.getNodeAddressesOfSucceededConnections().size()), 1);
     }
 
     @Override
@@ -301,24 +302,6 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     }
 
 
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // AuthenticationListener implementation
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void onPeerAuthenticated(NodeAddress peerNodeAddress, Connection connection) {
-        Log.traceCall();
-        authenticatedPeerNodeAddresses.add(peerNodeAddress);
-
-        if (notAuthenticated.get()) {
-            notAuthenticated.set(false);
-            p2pServiceListeners.stream().forEach(e -> e.onFirstPeerAuthenticated());
-        }
-
-        numAuthenticatedPeers.set(authenticatedPeerNodeAddresses.size());
-    }
-
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // MessageListener implementation
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -337,15 +320,14 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
 
                         // We set connectionType to that connection to avoid that is get closed when 
                         // we get too many connection attempts.
-                        // That is used as protection against eclipse attacks.
-                        connection.setConnectionPriority(ConnectionPriority.DIRECT_MSG);
+                        connection.setPeerType(Connection.PeerType.PEER.DIRECT_MSG_PEER);
 
                         log.info("\n\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n" +
                                 "Decrypted SealedAndSignedMessage:\ndecryptedMsgWithPubKey={}"
                                 + "\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", decryptedMsgWithPubKey);
-                        connection.getPeerAddressOptional().ifPresent(peerAddresses ->
+                        connection.getPeersNodeAddressOptional().ifPresent(peersNodeAddress ->
                                 decryptedMailListeners.stream().forEach(
-                                        e -> e.onMailMessage(decryptedMsgWithPubKey, peerAddresses)));
+                                        e -> e.onMailMessage(decryptedMsgWithPubKey, peersNodeAddress)));
                     } else {
                         log.info("Wrong receiverAddressMaskHash. The message is not intended for us.");
                     }
@@ -381,21 +363,14 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                                          SendMailMessageListener sendMailMessageListener) {
         Log.traceCall();
         checkNotNull(peerNodeAddress, "PeerAddress must not be null (sendEncryptedMailMessage)");
-        try {
-            checkAuthentication();
-            if (!authenticatedPeerNodeAddresses.contains(peerNodeAddress))
-                peerManager.authenticateToDirectMessagePeer(peerNodeAddress,
-                        () -> doSendEncryptedMailMessage(peerNodeAddress, pubKeyRing, message, sendMailMessageListener),
-                        () -> sendMailMessageListener.onFault());
-            else
-                doSendEncryptedMailMessage(peerNodeAddress, pubKeyRing, message, sendMailMessageListener);
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            throw new RuntimeException(e);
+        if (isNetworkReady()) {
+            doSendEncryptedMailMessage(peerNodeAddress, pubKeyRing, message, sendMailMessageListener);
+        } else {
+            throw new NetworkNotReadyException();
         }
     }
 
-    private void doSendEncryptedMailMessage(NodeAddress peerNodeAddress, PubKeyRing pubKeyRing, MailMessage message,
+    private void doSendEncryptedMailMessage(NodeAddress peersNodeAddress, PubKeyRing pubKeyRing, MailMessage message,
                                             SendMailMessageListener sendMailMessageListener) {
         Log.traceCall();
         checkArgument(optionalEncryptionService.isPresent(), "EncryptionService not set. Seems that is called on a seed node which must not happen.");
@@ -404,12 +379,18 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                     "Encrypt message:\nmessage={}"
                     + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", message);
             SealedAndSignedMessage sealedAndSignedMessage = new SealedAndSignedMessage(
-                    optionalEncryptionService.get().encryptAndSign(pubKeyRing, message), peerNodeAddress.getAddressPrefixHash());
-            SettableFuture<Connection> future = networkNode.sendMessage(peerNodeAddress, sealedAndSignedMessage);
+                    optionalEncryptionService.get().encryptAndSign(pubKeyRing, message), peersNodeAddress.getAddressPrefixHash());
+            SettableFuture<Connection> future = networkNode.sendMessage(peersNodeAddress, sealedAndSignedMessage);
             Futures.addCallback(future, new FutureCallback<Connection>() {
                 @Override
                 public void onSuccess(@Nullable Connection connection) {
                     sendMailMessageListener.onArrived();
+                    if (connection != null) {
+                        if (!connection.getPeersNodeAddressOptional().isPresent() && peersNodeAddress != null)
+                            connection.setPeersNodeAddress(peersNodeAddress);
+
+                        connection.setPeerType(Connection.PeerType.DIRECT_MSG_PEER);
+                    }
                 }
 
                 @Override
@@ -472,27 +453,16 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
         checkNotNull(peerNodeAddress, "PeerAddress must not be null (sendEncryptedMailboxMessage)");
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
         checkArgument(!optionalKeyRing.get().getPubKeyRing().equals(peersPubKeyRing), "We got own keyring instead of that from peer");
-        try {
-            checkAuthentication();
-            if (authenticatedPeerNodeAddresses.contains(peerNodeAddress)) {
-                trySendEncryptedMailboxMessage(peerNodeAddress, peersPubKeyRing, message, sendMailboxMessageListener);
-            } else {
-                peerManager.authenticateToDirectMessagePeer(peerNodeAddress,
-                        () -> trySendEncryptedMailboxMessage(peerNodeAddress, peersPubKeyRing, message, sendMailboxMessageListener),
-                        () -> {
-                            log.info("We cannot authenticate to peer. Peer might be offline. We will store message in mailbox.");
-                            trySendEncryptedMailboxMessage(peerNodeAddress, peersPubKeyRing, message, sendMailboxMessageListener);
-                        });
-            }
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            //TODO check if boolean return type can avoid throwing an exception
-            throw new RuntimeException(e);
+
+        if (isNetworkReady()) {
+            trySendEncryptedMailboxMessage(peerNodeAddress, peersPubKeyRing, message, sendMailboxMessageListener);
+        } else {
+            throw new NetworkNotReadyException();
         }
     }
 
     // send message and if it fails (peer offline) we store the data to the network
-    private void trySendEncryptedMailboxMessage(NodeAddress peerNodeAddress, PubKeyRing peersPubKeyRing,
+    private void trySendEncryptedMailboxMessage(NodeAddress peersNodeAddress, PubKeyRing peersPubKeyRing,
                                                 MailboxMessage message, SendMailboxMessageListener sendMailboxMessageListener) {
         Log.traceCall();
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
@@ -502,13 +472,20 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                     "Encrypt message:\nmessage={}"
                     + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", message);
             SealedAndSignedMessage sealedAndSignedMessage = new SealedAndSignedMessage(
-                    optionalEncryptionService.get().encryptAndSign(peersPubKeyRing, message), peerNodeAddress.getAddressPrefixHash());
-            SettableFuture<Connection> future = networkNode.sendMessage(peerNodeAddress, sealedAndSignedMessage);
+                    optionalEncryptionService.get().encryptAndSign(peersPubKeyRing, message), peersNodeAddress.getAddressPrefixHash());
+            SettableFuture<Connection> future = networkNode.sendMessage(peersNodeAddress, sealedAndSignedMessage);
             Futures.addCallback(future, new FutureCallback<Connection>() {
                 @Override
                 public void onSuccess(@Nullable Connection connection) {
                     log.trace("SendEncryptedMailboxMessage onSuccess");
                     sendMailboxMessageListener.onArrived();
+
+                    if (connection != null) {
+                        if (!connection.getPeersNodeAddressOptional().isPresent() && peersNodeAddress != null)
+                            connection.setPeersNodeAddress(peersNodeAddress);
+
+                        connection.setPeerType(Connection.PeerType.DIRECT_MSG_PEER);
+                    }
                 }
 
                 @Override
@@ -516,7 +493,7 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                     log.trace("SendEncryptedMailboxMessage onFailure");
                     log.debug(throwable.toString());
                     log.info("We cannot send message to peer. Peer might be offline. We will store message in mailbox.");
-                    log.trace("create MailboxEntry with peerAddress " + peerNodeAddress);
+                    log.trace("create MailboxEntry with peerAddress " + peersNodeAddress);
                     PublicKey receiverStoragePublicKey = peersPubKeyRing.getSignaturePubKey();
                     addMailboxData(new ExpirableMailboxPayload(sealedAndSignedMessage,
                                     optionalKeyRing.get().getSignatureKeyPair().getPublic(),
@@ -535,27 +512,25 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     private void addMailboxData(ExpirableMailboxPayload expirableMailboxPayload, PublicKey receiversPublicKey) {
         Log.traceCall();
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
-        try {
-            checkAuthentication();
-            ProtectedMailboxData protectedMailboxData = dataStorage.getMailboxDataWithSignedSeqNr(
-                    expirableMailboxPayload,
-                    optionalKeyRing.get().getSignatureKeyPair(),
-                    receiversPublicKey);
-            dataStorage.add(protectedMailboxData, networkNode.getNodeAddress());
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            //TODO check if boolean return type can avoid throwing an exception
-            throw new RuntimeException(e);
-        } catch (CryptoException e) {
-            log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
+        if (isNetworkReady()) {
+            try {
+                ProtectedMailboxData protectedMailboxData = p2PDataStorage.getMailboxDataWithSignedSeqNr(
+                        expirableMailboxPayload,
+                        optionalKeyRing.get().getSignatureKeyPair(),
+                        receiversPublicKey);
+                p2PDataStorage.add(protectedMailboxData, networkNode.getNodeAddress());
+            } catch (CryptoException e) {
+                log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
+            }
+        } else {
+            throw new NetworkNotReadyException();
         }
     }
 
     public void removeEntryFromMailbox(DecryptedMsgWithPubKey decryptedMsgWithPubKey) {
         Log.traceCall();
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
-        try {
-            checkAuthentication();
+        if (isNetworkReady()) {
             if (mailboxMap.containsKey(decryptedMsgWithPubKey)) {
                 ProtectedMailboxData mailboxData = mailboxMap.get(decryptedMsgWithPubKey);
                 if (mailboxData != null && mailboxData.expirablePayload instanceof ExpirableMailboxPayload) {
@@ -564,11 +539,11 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                     checkArgument(receiversPubKey.equals(optionalKeyRing.get().getSignatureKeyPair().getPublic()),
                             "receiversPubKey is not matching with our key. That must not happen.");
                     try {
-                        ProtectedMailboxData protectedMailboxData = dataStorage.getMailboxDataWithSignedSeqNr(
+                        ProtectedMailboxData protectedMailboxData = p2PDataStorage.getMailboxDataWithSignedSeqNr(
                                 expirableMailboxPayload,
                                 optionalKeyRing.get().getSignatureKeyPair(),
                                 receiversPubKey);
-                        dataStorage.removeMailboxData(protectedMailboxData, networkNode.getNodeAddress());
+                        p2PDataStorage.removeMailboxData(protectedMailboxData, networkNode.getNodeAddress());
                     } catch (CryptoException e) {
                         log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
                     }
@@ -580,11 +555,10 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                 log.warn("decryptedMsgWithPubKey not found in mailboxMap. That should never happen." +
                         "\ndecryptedMsgWithPubKey={}\nmailboxMap={}", decryptedMsgWithPubKey, mailboxMap);
             }
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            //TODO check if boolean return type can avoid throwing an exception
-            throw new RuntimeException(e);
+        } else {
+            throw new NetworkNotReadyException();
         }
+
     }
 
 
@@ -605,35 +579,35 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     private boolean doAddData(ExpirablePayload expirablePayload, boolean rePublish) {
         Log.traceCall();
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
-        try {
-            checkAuthentication();
-            ProtectedData protectedData = dataStorage.getDataWithSignedSeqNr(expirablePayload, optionalKeyRing.get().getSignatureKeyPair());
-            if (rePublish)
-                return dataStorage.rePublish(protectedData, networkNode.getNodeAddress());
-            else
-                return dataStorage.add(protectedData, networkNode.getNodeAddress());
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            return false;
-        } catch (CryptoException e) {
-            log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
-            return false;
+        if (isNetworkReady()) {
+            try {
+                ProtectedData protectedData = p2PDataStorage.getDataWithSignedSeqNr(expirablePayload, optionalKeyRing.get().getSignatureKeyPair());
+                if (rePublish)
+                    return p2PDataStorage.rePublish(protectedData, networkNode.getNodeAddress());
+                else
+                    return p2PDataStorage.add(protectedData, networkNode.getNodeAddress());
+            } catch (CryptoException e) {
+                log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
+                return false;
+            }
+        } else {
+            throw new NetworkNotReadyException();
         }
     }
 
     public boolean removeData(ExpirablePayload expirablePayload) {
         Log.traceCall();
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
-        try {
-            checkAuthentication();
-            ProtectedData protectedData = dataStorage.getDataWithSignedSeqNr(expirablePayload, optionalKeyRing.get().getSignatureKeyPair());
-            return dataStorage.remove(protectedData, networkNode.getNodeAddress());
-        } catch (AuthenticationException e) {
-            log.error(e.getMessage());
-            return false;
-        } catch (CryptoException e) {
-            log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
-            return false;
+        if (isNetworkReady()) {
+            try {
+                ProtectedData protectedData = p2PDataStorage.getDataWithSignedSeqNr(expirablePayload, optionalKeyRing.get().getSignatureKeyPair());
+                return p2PDataStorage.remove(protectedData, networkNode.getNodeAddress());
+            } catch (CryptoException e) {
+                log.error("Signing at getDataWithSignedSeqNr failed. That should never happen.");
+                return false;
+            }
+        } else {
+            throw new NetworkNotReadyException();
         }
     }
 
@@ -667,7 +641,7 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     }
 
     public void addHashSetChangedListener(HashMapChangedListener hashMapChangedListener) {
-        dataStorage.addHashMapChangedListener(hashMapChangedListener);
+        p2PDataStorage.addHashMapChangedListener(hashMapChangedListener);
     }
 
 
@@ -675,33 +649,30 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     // Getters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public boolean isAuthenticated() {
-        return !notAuthenticated.get();
+    public boolean isNetworkReady() {
+        log.debug("###### isNetworkReady networkReadyBinding " + networkReadyBinding.get());
+        log.debug("###### isNetworkReady hiddenServicePublished.get() && preliminaryDataReceived.get() " + (hiddenServicePublished.get() && preliminaryDataReceived.get()));
+        return hiddenServicePublished.get() && preliminaryDataReceived.get();
     }
 
     public NetworkNode getNetworkNode() {
         return networkNode;
     }
 
-    public PeerManager getPeerManager() {
-        return peerManager;
-    }
-
     public NodeAddress getAddress() {
         return networkNode.getNodeAddress();
     }
 
-    public Set<NodeAddress> getAuthenticatedPeerNodeAddresses() {
-        return authenticatedPeerNodeAddresses;
+    public Set<NodeAddress> getNodeAddressesOfConnectedPeers() {
+        return networkNode.getNodeAddressesOfSucceededConnections();
     }
 
-    @NotNull
-    public ReadOnlyIntegerProperty getNumAuthenticatedPeers() {
-        return numAuthenticatedPeers;
+    public ReadOnlyIntegerProperty getNumConnectedPeers() {
+        return numConnectedPeers;
     }
 
     public Map<ByteArray, ProtectedData> getDataMap() {
-        return dataStorage.getMap();
+        return p2PDataStorage.getMap();
     }
 
 
@@ -710,8 +681,8 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     private boolean verifyAddressPrefixHash(SealedAndSignedMessage sealedAndSignedMessage) {
-        if (myOnionNodeAddress != null) {
-            byte[] blurredAddressHash = myOnionNodeAddress.getAddressPrefixHash();
+        if (networkNode.getNodeAddress() != null) {
+            byte[] blurredAddressHash = networkNode.getNodeAddress().getAddressPrefixHash();
             return blurredAddressHash != null &&
                     Arrays.equals(blurredAddressHash, sealedAndSignedMessage.addressPrefixHash);
         } else {
@@ -719,10 +690,4 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
             return false;
         }
     }
-
-    private void checkAuthentication() throws AuthenticationException {
-        Log.traceCall();
-        if (authenticatedPeerNodeAddresses.isEmpty())
-            throw new AuthenticationException("You must be authenticated before adding data to the P2P network.");
-    }
 }

network/src/main/java/io/bitsquare/p2p/P2PServiceListener.java

@@ -11,5 +11,5 @@ public interface P2PServiceListener extends SetupListener {
 
     void onNoPeersAvailable();
 
-    void onFirstPeerAuthenticated();
+    void onBootstrapped();
 }

network/src/main/java/io/bitsquare/p2p/SeedNodeP2PService.java

@@ -1,59 +0,0 @@
-package io.bitsquare.p2p;
-
-import io.bitsquare.app.Log;
-import io.bitsquare.p2p.peers.PeerManager;
-import io.bitsquare.p2p.peers.RequestDataManager;
-import io.bitsquare.p2p.peers.SeedNodePeerManager;
-import io.bitsquare.p2p.peers.SeedNodeRequestDataManager;
-import io.bitsquare.p2p.seed.SeedNodesRepository;
-import org.fxmisc.easybind.EasyBind;
-import org.fxmisc.easybind.monadic.MonadicBinding;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.File;
-
-public class SeedNodeP2PService extends P2PService {
-    private static final Logger log = LoggerFactory.getLogger(SeedNodeP2PService.class);
-
-    public SeedNodeP2PService(SeedNodesRepository seedNodesRepository,
-                              NodeAddress mySeedNodeNodeAddress,
-                              File torDir,
-                              boolean useLocalhost,
-                              int networkId,
-                              File storageDir) {
-        super(seedNodesRepository, mySeedNodeNodeAddress.port, torDir, useLocalhost, networkId, storageDir, null, null);
-
-        // we remove ourselves from the list of seed nodes
-        seedNodeNodeAddresses.remove(mySeedNodeNodeAddress);
-    }
-
-    @Override
-    protected PeerManager getNewPeerManager() {
-        return new SeedNodePeerManager(networkNode);
-    }
-
-    @Override
-    protected RequestDataManager getNewRequestDataManager() {
-        return new SeedNodeRequestDataManager(networkNode, dataStorage, peerManager);
-    }
-
-    @Override
-    protected MonadicBinding<Boolean> getNewReadyForAuthenticationBinding() {
-        return EasyBind.combine(hiddenServicePublished, notAuthenticated,
-                (hiddenServicePublished, notAuthenticated) -> hiddenServicePublished && notAuthenticated);
-    }
-
-    @Override
-    public void onTorNodeReady() {
-        Log.traceCall();
-        p2pServiceListeners.stream().forEach(e -> e.onTorNodeReady());
-    }
-
-    @Override
-    protected void authenticateToSeedNode() {
-        Log.traceCall();
-        ((SeedNodePeerManager) peerManager).authenticateToSeedNode();
-    }
-
-}

network/src/main/java/io/bitsquare/p2p/messaging/DecryptedMsgWithPubKey.java

@@ -47,6 +47,7 @@ public final class DecryptedMsgWithPubKey implements MailMessage {
 
         DecryptedMsgWithPubKey that = (DecryptedMsgWithPubKey) o;
 
+        //noinspection SimplifiableIfStatement
         if (message != null ? !message.equals(that.message) : that.message != null) return false;
         return !(signaturePubKey != null ? !signaturePubKey.equals(that.signaturePubKey) : that.signaturePubKey != null);
 

network/src/main/java/io/bitsquare/p2p/network/Connection.java

@@ -10,6 +10,9 @@ import io.bitsquare.p2p.Message;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.Utils;
 import io.bitsquare.p2p.network.messages.CloseConnectionMessage;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.ReadOnlyObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -35,16 +38,41 @@ public class Connection implements MessageListener {
     private static final int MAX_MSG_SIZE = 5 * 1024 * 1024;         // 5 MB of compressed data
     //timeout on blocking Socket operations like ServerSocket.accept() or SocketInputStream.read()
     private static final int SOCKET_TIMEOUT = 10 * 60 * 1000;        // 10 min.
-    private ConnectionPriority connectionPriority;
 
     public static int getMaxMsgSize() {
         return MAX_MSG_SIZE;
     }
 
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Enums
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public enum Direction {
+        OUTBOUND,
+        INBOUND
+    }
+
+    public enum State {
+        IDLE,
+        SUCCEEDED,
+        FAILED
+    }
+
+    public enum PeerType {
+        SEED_NODE,
+        PEER,
+        DIRECT_MSG_PEER
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Class fields
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     private final Socket socket;
     private final MessageListener messageListener;
     private final ConnectionListener connectionListener;
-
+    private final Direction direction;
     private final String portInfo;
     private final String uid = UUID.randomUUID().toString();
     private final ExecutorService singleThreadExecutor = Executors.newSingleThreadExecutor();
@@ -56,8 +84,7 @@ public class Connection implements MessageListener {
     private ObjectOutputStream objectOutputStream;
 
     // mutable data, set from other threads but not changed internally.
-    private Optional<NodeAddress> peerAddressOptional = Optional.empty();
-    private volatile boolean isAuthenticated;
+    private Optional<NodeAddress> peersNodeAddressOptional = Optional.empty();
     private volatile boolean stopped;
 
     //TODO got java.util.zip.DataFormatException: invalid distance too far back
@@ -66,14 +93,20 @@ public class Connection implements MessageListener {
     private final boolean useCompression = false;
 
 
+    private final ObjectProperty<State> stateProperty = new SimpleObjectProperty<>();
+    private PeerType peerType;
+
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public Connection(Socket socket, MessageListener messageListener, ConnectionListener connectionListener) {
+    public Connection(Socket socket, MessageListener messageListener, ConnectionListener connectionListener, Direction direction) {
         this.socket = socket;
         this.messageListener = messageListener;
         this.connectionListener = connectionListener;
+        this.direction = direction;
+        stateProperty.set(State.IDLE);
 
         sharedSpace = new SharedSpace(this, socket);
 
@@ -118,25 +151,16 @@ public class Connection implements MessageListener {
     // API
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    // Called form UserThread
-    public void setAuthenticated() {
-        Log.traceCall();
-        isAuthenticated = true;
-    }
-
-    public void setConnectionPriority(ConnectionPriority connectionPriority) {
-        this.connectionPriority = connectionPriority;
-    }
 
     // Called form various threads
     public void sendMessage(Message message) {
         Log.traceCall();
         if (!stopped) {
             try {
-                String peerAddress = peerAddressOptional.isPresent() ? peerAddressOptional.get().toString() : "null";
+                String peersNodeAddress = peersNodeAddressOptional.isPresent() ? peersNodeAddressOptional.get().toString() : "null";
                 log.info("\n\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n" +
                         "Write object to outputStream to peer: {} (uid={})\nmessage={}"
-                        + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", peerAddress, uid, message);
+                        + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", peersNodeAddress, uid, message);
 
                 Object objectToWrite;
                 if (useCompression) {
@@ -170,12 +194,6 @@ public class Connection implements MessageListener {
         sharedSpace.reportIllegalRequest(illegalRequest);
     }
 
-    public synchronized void setPeerAddress(NodeAddress peerNodeAddress) {
-        Log.traceCall();
-        checkNotNull(peerNodeAddress, "peerAddress must not be null");
-        peerAddressOptional = Optional.of(peerNodeAddress);
-    }
-
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // MessageListener implementation
@@ -188,27 +206,50 @@ public class Connection implements MessageListener {
         UserThread.execute(() -> messageListener.onMessage(message, this));
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Setters
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void setPeerType(PeerType peerType) {
+        Log.traceCall(peerType.toString());
+        this.peerType = peerType;
+    }
+
+    public void setState(State state) {
+        Log.traceCall(state.toString());
+
+        if (state == State.SUCCEEDED) {
+            String peersNodeAddress = getPeersNodeAddressOptional().isPresent() ? getPeersNodeAddressOptional().get().getFullAddress() : "";
+            log.info("\n\n############################################################\n" +
+                    "We are successfully connected to:\n" +
+                    "peerAddress= " + peersNodeAddress +
+                    "\nuid=" + getUid() +
+                    "\n############################################################\n");
+        }
+
+        this.stateProperty.set(state);
+    }
+
+    public synchronized void setPeersNodeAddress(NodeAddress peerNodeAddress) {
+        Log.traceCall();
+        checkNotNull(peerNodeAddress, "peerAddress must not be null");
+        peersNodeAddressOptional = Optional.of(peerNodeAddress);
+    }
+
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    @Nullable
-    public synchronized NodeAddress getPeerAddress() {
-        return peerAddressOptional.isPresent() ? peerAddressOptional.get() : null;
-    }
-
-    public synchronized Optional<NodeAddress> getPeerAddressOptional() {
-        return peerAddressOptional;
+    public synchronized Optional<NodeAddress> getPeersNodeAddressOptional() {
+        return peersNodeAddressOptional;
     }
 
     public Date getLastActivityDate() {
         return sharedSpace.getLastActivityDate();
     }
 
-    public boolean isAuthenticated() {
-        return isAuthenticated;
-    }
-
     public String getUid() {
         return uid;
     }
@@ -217,8 +258,20 @@ public class Connection implements MessageListener {
         return stopped;
     }
 
-    public ConnectionPriority getConnectionPriority() {
-        return connectionPriority;
+    public PeerType getPeerType() {
+        return peerType;
+    }
+
+    public Direction getDirection() {
+        return direction;
+    }
+
+    public ReadOnlyObjectProperty<State> getStateProperty() {
+        return stateProperty;
+    }
+
+    public State getState() {
+        return stateProperty.get();
     }
 
 
@@ -241,14 +294,13 @@ public class Connection implements MessageListener {
     private void shutDown(boolean sendCloseConnectionMessage, @Nullable Runnable shutDownCompleteHandler) {
         Log.traceCall(this.toString());
         if (!stopped) {
-            String peerAddress = peerAddressOptional.isPresent() ? peerAddressOptional.get().toString() : "null";
+            String peersNodeAddress = peersNodeAddressOptional.isPresent() ? peersNodeAddressOptional.get().toString() : "null";
             log.info("\n\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n" +
                     "ShutDown connection:"
-                    + "\npeerAddress=" + peerAddress
+                    + "\npeersNodeAddress=" + peersNodeAddress
                     + "\nlocalPort/port=" + sharedSpace.getSocket().getLocalPort()
                     + "/" + sharedSpace.getSocket().getPort()
                     + "\nuid=" + uid
-                    + "\nisAuthenticated=" + isAuthenticated
                     + "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
 
             log.trace("ShutDown connection requested. Connection=" + this.toString());
@@ -281,7 +333,6 @@ public class Connection implements MessageListener {
         sharedSpace.stop();
         if (inputHandler != null)
             inputHandler.stop();
-        isAuthenticated = false;
     }
 
     private void doShutDown(@Nullable Runnable shutDownCompleteHandler) {
@@ -319,8 +370,9 @@ public class Connection implements MessageListener {
         Connection that = (Connection) o;
 
         if (portInfo != null ? !portInfo.equals(that.portInfo) : that.portInfo != null) return false;
+        //noinspection SimplifiableIfStatement
         if (uid != null ? !uid.equals(that.uid) : that.uid != null) return false;
-        return peerAddressOptional != null ? peerAddressOptional.equals(that.peerAddressOptional) : that.peerAddressOptional == null;
+        return peersNodeAddressOptional != null ? peersNodeAddressOptional.equals(that.peersNodeAddressOptional) : that.peersNodeAddressOptional == null;
 
     }
 
@@ -328,21 +380,21 @@ public class Connection implements MessageListener {
     public int hashCode() {
         int result = portInfo != null ? portInfo.hashCode() : 0;
         result = 31 * result + (uid != null ? uid.hashCode() : 0);
-        result = 31 * result + (peerAddressOptional != null ? peerAddressOptional.hashCode() : 0);
+        result = 31 * result + (peersNodeAddressOptional != null ? peersNodeAddressOptional.hashCode() : 0);
         return result;
     }
 
     @Override
     public String toString() {
         return "Connection{" +
-                "portInfo=" + portInfo +
+                "peerAddress=" + peersNodeAddressOptional +
+                ", peerType=" + peerType +
+                ", direction=" + direction +
+                ", state=" + getState() +
+                ", portInfo=" + portInfo +
                 ", uid='" + uid + '\'' +
                 ", sharedSpace=" + sharedSpace.toString() +
-                ", peerAddress=" + peerAddressOptional +
-                ", isAuthenticated=" + isAuthenticated +
                 ", stopped=" + stopped +
-                ", stopped=" + stopped +
-                ", connectionType=" + connectionPriority +
                 ", useCompression=" + useCompression +
                 '}';
     }

network/src/main/java/io/bitsquare/p2p/network/ConnectionPriority.java

@@ -1,8 +0,0 @@
-package io.bitsquare.p2p.network;
-
-public enum ConnectionPriority {
-    PASSIVE,        // for connections initiated by other peer
-    ACTIVE,         // for connections initiated by us
-    DIRECT_MSG,     // for connections used for direct messaging
-    AUTH_REQUEST    // for connections used for starting the authentication
-}

network/src/main/java/io/bitsquare/p2p/network/IllegalRequest.java

@@ -3,8 +3,7 @@ package io.bitsquare.p2p.network;
 public enum IllegalRequest {
     // TODO check for needed allowed tolerance
     MaxSizeExceeded(1),
-    NotAuthenticated(1),
-    InvalidDataType(1),
+    InvalidDataType(0),
     WrongNetworkId(0);
 
     public final int maxTolerance;

network/src/main/java/io/bitsquare/p2p/network/LocalhostNetworkNode.java

@@ -60,7 +60,7 @@ public class LocalhostNetworkNode extends NetworkNode {
         //Tor delay simulation
         createTorNode(torNode -> {
             Log.traceCall("torNode created");
-            setupListeners.stream().forEach(e -> e.onTorNodeReady());
+            setupListeners.stream().forEach(SetupListener::onTorNodeReady);
 
             // Create Hidden Service (takes about 40 sec.)
             createHiddenService(hiddenServiceDescriptor -> {
@@ -74,7 +74,7 @@ public class LocalhostNetworkNode extends NetworkNode {
 
                 nodeAddress = new NodeAddress("localhost", servicePort);
 
-                setupListeners.stream().forEach(e -> e.onHiddenServicePublished());
+                setupListeners.stream().forEach(SetupListener::onHiddenServicePublished);
             });
         });
     }

network/src/main/java/io/bitsquare/p2p/network/NetworkNode.java

@@ -20,6 +20,7 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.TimeoutException;
+import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
@@ -63,11 +64,11 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
 
     abstract public void start(@Nullable SetupListener setupListener);
 
-    public SettableFuture<Connection> sendMessage(@NotNull NodeAddress peerNodeAddress, Message message) {
-        Log.traceCall("peerAddress: " + peerNodeAddress + " / message: " + message);
-        checkNotNull(peerNodeAddress, "peerAddress must not be null");
+    public SettableFuture<Connection> sendMessage(@NotNull NodeAddress peersNodeAddress, Message message) {
+        Log.traceCall("peerAddress: " + peersNodeAddress + " / message: " + message);
+        checkNotNull(peersNodeAddress, "peerAddress must not be null");
 
-        Optional<Connection> outboundConnectionOptional = lookupOutboundConnection(peerNodeAddress);
+        Optional<Connection> outboundConnectionOptional = lookupOutboundConnection(peersNodeAddress);
         Connection connection = outboundConnectionOptional.isPresent() ? outboundConnectionOptional.get() : null;
         if (connection != null)
             log.trace("We have found a connection in outBoundConnections. Connection.uid=" + connection.getUid());
@@ -79,7 +80,7 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
         }
 
         if (connection == null) {
-            Optional<Connection> inboundConnectionOptional = lookupInboundConnection(peerNodeAddress);
+            Optional<Connection> inboundConnectionOptional = lookupInboundConnection(peersNodeAddress);
             if (inboundConnectionOptional.isPresent()) connection = inboundConnectionOptional.get();
             if (connection != null)
                 log.trace("We have found a connection in inBoundConnections. Connection.uid=" + connection.getUid());
@@ -89,28 +90,29 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
             return sendMessage(connection, message);
         } else {
             log.trace("We have not found any connection for peerAddress {}. " +
-                    "We will create a new outbound connection.", peerNodeAddress);
+                    "We will create a new outbound connection.", peersNodeAddress);
 
             final SettableFuture<Connection> resultFuture = SettableFuture.create();
             final boolean[] timeoutOccurred = new boolean[1];
             timeoutOccurred[0] = false;
+
             ListenableFuture<Connection> future = executorService.submit(() -> {
-                Thread.currentThread().setName("NetworkNode:SendMessage-to-" + peerNodeAddress);
+                Thread.currentThread().setName("NetworkNode:SendMessage-to-" + peersNodeAddress);
+                Connection newConnection = null;
                 try {
                     // can take a while when using tor
-                    Socket socket = createSocket(peerNodeAddress);
+                    Socket socket = createSocket(peersNodeAddress);
                     if (timeoutOccurred[0])
-                        throw new TimeoutException("Timeout occurred when tried to create Socket to peer: " + peerNodeAddress);
+                        throw new TimeoutException("Timeout occurred when tried to create Socket to peer: " + peersNodeAddress);
 
-
-                    Connection newConnection = new Connection(socket, NetworkNode.this, NetworkNode.this);
-                    newConnection.setPeerAddress(peerNodeAddress);
+                    newConnection = new Connection(socket, NetworkNode.this, NetworkNode.this, Connection.Direction.OUTBOUND);
+                    newConnection.setPeersNodeAddress(peersNodeAddress);
                     outBoundConnections.add(newConnection);
 
                     log.info("\n\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n" +
                             "NetworkNode created new outbound connection:"
-                            + "\npeerAddress=" + peerNodeAddress
-                            + "\nconnection.uid=" + newConnection.getUid()
+                            + "\npeerAddress=" + peersNodeAddress
+                            + "\nuid=" + newConnection.getUid()
                             + "\nmessage=" + message
                             + "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
 
@@ -122,28 +124,17 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
                         throwable.printStackTrace();
                         log.error("Executing task failed. " + throwable.getMessage());
                     }
+                    if (newConnection != null)
+                        newConnection.setState(Connection.State.FAILED);
                     throw throwable;
                 }
             });
 
-            //TODO does not close the connection yet. not clear if socket timeout is enough.
-            /*Timer timer = new Timer();
-            timer.schedule(new TimerTask() {
-                @Override
-                public void run() {
-                    Thread.currentThread().setName("TimerTask-" + new Random().nextInt(10000));
-                    timeoutOccurred[0] = true;
-                    future.cancel(true);
-                    String message = "Timeout occurred when tried to create Socket to peer: " + peerAddress;
-                    log.info(message);
-                    UserThread.execute(() -> resultFuture.setException(new TimeoutException(message)));
-                }
-            }, CREATE_SOCKET_TIMEOUT);*/
-
             Futures.addCallback(future, new FutureCallback<Connection>() {
                 public void onSuccess(Connection connection) {
                     UserThread.execute(() -> {
                         //timer.cancel();
+                        connection.setState(Connection.State.SUCCEEDED);
                         resultFuture.set(connection);
                     });
                 }
@@ -151,6 +142,13 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
                 public void onFailure(@NotNull Throwable throwable) {
                     UserThread.execute(() -> {
                         //timer.cancel();
+
+                        if (lookupInboundConnection(peersNodeAddress).isPresent()) {
+                            lookupInboundConnection(peersNodeAddress).get().setState(Connection.State.FAILED);
+                        } else if (lookupOutboundConnection(peersNodeAddress).isPresent()) {
+                            lookupOutboundConnection(peersNodeAddress).get().setState(Connection.State.FAILED);
+                        }
+
                         resultFuture.setException(throwable);
                     });
                 }
@@ -171,10 +169,12 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
         final SettableFuture<Connection> resultFuture = SettableFuture.create();
         Futures.addCallback(future, new FutureCallback<Connection>() {
             public void onSuccess(Connection connection) {
+                connection.setState(Connection.State.SUCCEEDED);
                 UserThread.execute(() -> resultFuture.set(connection));
             }
 
             public void onFailure(@NotNull Throwable throwable) {
+                connection.setState(Connection.State.FAILED);
                 UserThread.execute(() -> resultFuture.setException(throwable));
             }
         });
@@ -182,12 +182,30 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
     }
 
     public Set<Connection> getAllConnections() {
-        Log.traceCall();
+        // Can contain inbound and outbound connections with the same peer node address, 
+        // as connection hashcode is using uid and port info
         Set<Connection> set = new HashSet<>(inBoundConnections);
         set.addAll(outBoundConnections);
         return set;
     }
 
+    public Set<Connection> getSucceededConnections() {
+        // Can contain inbound and outbound connections with the same peer node address, 
+        // as connection hashcode is using uid and port info
+        return getAllConnections().stream()
+                .filter(e -> e.getPeersNodeAddressOptional().isPresent())
+                .filter(e -> e.getState().equals(Connection.State.SUCCEEDED))
+                .collect(Collectors.toSet());
+    }
+
+    public Set<NodeAddress> getNodeAddressesOfSucceededConnections() {
+        // Does not contain inbound and outbound connection with the same peer node address
+        return getSucceededConnections().stream()
+                .map(e -> e.getPeersNodeAddressOptional().get())
+                .collect(Collectors.toSet());
+    }
+
+
     public void shutDown(Runnable shutDownCompleteHandler) {
         Log.traceCall();
         log.info("Shutdown NetworkNode");
@@ -198,7 +216,7 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
                 server = null;
             }
 
-            getAllConnections().stream().forEach(e -> e.shutDown());
+            getAllConnections().stream().forEach(Connection::shutDown);
 
             log.info("NetworkNode shutdown complete");
             if (shutDownCompleteHandler != null) shutDownCompleteHandler.run();
@@ -305,7 +323,6 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
             @Override
             public void onConnection(Connection connection) {
                 Log.traceCall("startServerConnectionListener connection=" + connection);
-                // we still have not authenticated so put it to the temp list
                 inBoundConnections.add(connection);
                 NetworkNode.this.onConnection(connection);
             }
@@ -329,19 +346,19 @@ public abstract class NetworkNode implements MessageListener, ConnectionListener
         executorService.submit(server);
     }
 
-    private Optional<Connection> lookupOutboundConnection(NodeAddress peerNodeAddress) {
-        // Log.traceCall("search for " + peerAddress.toString() + " / outBoundConnections " + outBoundConnections);
+    private Optional<Connection> lookupOutboundConnection(NodeAddress peersNodeAddress) {
+        Log.traceCall("search for " + peersNodeAddress.toString() + " / outBoundConnections " + outBoundConnections);
         return outBoundConnections.stream()
-                .filter(e -> e.getPeerAddressOptional().isPresent() && peerNodeAddress.equals(e.getPeerAddressOptional().get())).findAny();
+                .filter(e -> e.getPeersNodeAddressOptional().isPresent() && peersNodeAddress.equals(e.getPeersNodeAddressOptional().get())).findAny();
     }
 
-    private Optional<Connection> lookupInboundConnection(NodeAddress peerNodeAddress) {
-        // Log.traceCall("search for " + peerAddress.toString() + " / inBoundConnections " + inBoundConnections);
+    private Optional<Connection> lookupInboundConnection(NodeAddress peersNodeAddress) {
+        Log.traceCall("search for " + peersNodeAddress.toString() + " / inBoundConnections " + inBoundConnections);
         return inBoundConnections.stream()
-                .filter(e -> e.getPeerAddressOptional().isPresent() && peerNodeAddress.equals(e.getPeerAddressOptional().get())).findAny();
+                .filter(e -> e.getPeersNodeAddressOptional().isPresent() && peersNodeAddress.equals(e.getPeersNodeAddressOptional().get())).findAny();
     }
 
-    abstract protected Socket createSocket(NodeAddress peerNodeAddress) throws IOException;
+    abstract protected Socket createSocket(NodeAddress peersNodeAddress) throws IOException;
 
     @Nullable
     abstract public NodeAddress getNodeAddress();

network/src/main/java/io/bitsquare/p2p/network/Server.java

@@ -43,7 +43,7 @@ class Server implements Runnable {
                     final Socket socket = serverSocket.accept();
                     if (!stopped && !Thread.currentThread().isInterrupted()) {
                         log.info("Accepted new client on localPort/port " + socket.getLocalPort() + "/" + socket.getPort());
-                        Connection connection = new Connection(socket, messageListener, connectionListener);
+                        Connection connection = new Connection(socket, messageListener, connectionListener, Connection.Direction.INBOUND);
 
                         log.info("\n\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n" +
                                 "Server created new inbound connection:"
@@ -71,7 +71,7 @@ class Server implements Runnable {
         if (!stopped) {
             stopped = true;
 
-            connections.stream().forEach(e -> e.shutDown());
+            connections.stream().forEach(Connection::shutDown);
 
             try {
                 serverSocket.close();

network/src/main/java/io/bitsquare/p2p/network/TorNetworkNode.java

@@ -73,7 +73,7 @@ public class TorNetworkNode extends NetworkNode {
             Log.traceCall("torNode created");
             TorNetworkNode.this.torNetworkNode = torNode;
 
-            setupListeners.stream().forEach(e -> e.onTorNodeReady());
+            setupListeners.stream().forEach(SetupListener::onTorNodeReady);
 
             // Create Hidden Service (takes about 40 sec.)
             createHiddenService(torNode,
@@ -84,7 +84,7 @@ public class TorNetworkNode extends NetworkNode {
                         TorNetworkNode.this.hiddenServiceDescriptor = hiddenServiceDescriptor;
 
                         startServer(hiddenServiceDescriptor.getServerSocket());
-                        setupListeners.stream().forEach(e -> e.onHiddenServicePublished());
+                        setupListeners.stream().forEach(SetupListener::onHiddenServicePublished);
                     });
         });
     }
@@ -117,16 +117,14 @@ public class TorNetworkNode extends NetworkNode {
         }, SHUT_DOWN_TIMEOUT, TimeUnit.MILLISECONDS);
 
         if (executorService != null) {
-            executorService.submit(() -> {
-                UserThread.execute(() -> {
-                    // We want to stay in UserThread
-                    super.shutDown(() -> {
-                        networkNodeShutDownDoneComplete = true;
-                        if (torShutDownComplete)
-                            shutDownExecutorService();
-                    });
+            executorService.submit(() -> UserThread.execute(() -> {
+                // We want to stay in UserThread
+                super.shutDown(() -> {
+                    networkNodeShutDownDoneComplete = true;
+                    if (torShutDownComplete)
+                        shutDownExecutorService();
                 });
-            });
+            }));
         } else {
             log.error("executorService must not be null at shutDown");
         }
@@ -188,10 +186,9 @@ public class TorNetworkNode extends NetworkNode {
                 start(null);
             }, WAIT_BEFORE_RESTART, TimeUnit.MILLISECONDS));
         } else {
-            String msg = "We tried to restart tor " + restartCounter
-                    + " times, but we failed to get tor running. We give up now.";
+            String msg = "We tried to restart Tor " + restartCounter
+                    + " times, but it failed to start up. We give up now.";
             log.error(msg);
-            // TODO display better error msg
             throw new RuntimeException(msg);
         }
     }

network/src/main/java/io/bitsquare/p2p/peers/AuthenticationException.java

@@ -1,8 +0,0 @@
-package io.bitsquare.p2p.peers;
-
-public class AuthenticationException extends Exception {
-
-    public AuthenticationException(String message) {
-        super(message);
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/AuthenticationHandshake.java

@@ -1,357 +0,0 @@
-package io.bitsquare.p2p.peers;
-
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.SettableFuture;
-import io.bitsquare.app.Log;
-import io.bitsquare.common.UserThread;
-import io.bitsquare.p2p.Message;
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.network.Connection;
-import io.bitsquare.p2p.network.ConnectionPriority;
-import io.bitsquare.p2p.network.MessageListener;
-import io.bitsquare.p2p.network.NetworkNode;
-import io.bitsquare.p2p.peers.messages.auth.*;
-import org.jetbrains.annotations.NotNull;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.*;
-import java.util.concurrent.TimeUnit;
-import java.util.function.BiConsumer;
-import java.util.function.Supplier;
-
-// Authentication protocol: 
-// client: send AuthenticationRequest to seedNode
-// seedNode: close connection
-// seedNode: send AuthenticationChallenge to client on a new connection to test if address is correct
-// client: authentication to seedNode done if nonce verification is ok
-// client: AuthenticationFinalResponse to seedNode
-// seedNode: authentication to client done if nonce verification is ok
-
-public class AuthenticationHandshake implements MessageListener {
-    private static final Logger log = LoggerFactory.getLogger(AuthenticationHandshake.class);
-
-    private final NetworkNode networkNode;
-    private final NodeAddress myNodeAddress;
-    private final NodeAddress peerNodeAddress;
-    private final Supplier<Set<ReportedPeer>> authenticatedAndReportedPeersSupplier;
-    private final BiConsumer<HashSet<ReportedPeer>, Connection> addReportedPeersConsumer;
-
-    private final long startAuthTs;
-    private long nonce = 0;
-    private boolean stopped;
-    private Optional<SettableFuture<Connection>> resultFutureOptional = Optional.empty();
-    private Timer timeoutTimer, shutDownTimer;
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Constructor
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public AuthenticationHandshake(NetworkNode networkNode,
-                                   NodeAddress myNodeAddress,
-                                   NodeAddress peerNodeAddress,
-                                   Supplier<Set<ReportedPeer>> authenticatedAndReportedPeersSupplier,
-                                   BiConsumer<HashSet<ReportedPeer>, Connection> addReportedPeersConsumer) {
-        Log.traceCall("peerAddress " + peerNodeAddress);
-        this.authenticatedAndReportedPeersSupplier = authenticatedAndReportedPeersSupplier;
-        this.addReportedPeersConsumer = addReportedPeersConsumer;
-        this.networkNode = networkNode;
-        this.myNodeAddress = myNodeAddress;
-        this.peerNodeAddress = peerNodeAddress;
-
-        startAuthTs = System.currentTimeMillis();
-        networkNode.addMessageListener(this);
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // MessageListener implementation
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void onMessage(Message message, Connection connection) {
-        // called from other thread but mapped to user thread. That can cause async behaviour.
-        // Example: We got the AuthenticationHandshake shut down and the message listener 
-        // has been already removed but we still get the onMessage called as the Platform.runLater get called at the next
-        // cycle. So we need to protect a late call with the stopped flag.
-        if (!stopped) {
-            if (message instanceof AuthenticationMessage) {
-                // We are listening on all connections, so we need to filter out only our peer
-                if (((AuthenticationMessage) message).senderNodeAddress.equals(peerNodeAddress)) {
-                    Log.traceCall(message.toString());
-
-                    if (timeoutTimer != null)
-                        timeoutTimer.cancel();
-
-                    if (message instanceof AuthenticationChallenge) {
-                        // Requesting peer
-                        AuthenticationChallenge authenticationChallenge = (AuthenticationChallenge) message;
-                        // We need to set the address to the connection, otherwise we will not find the connection when sending
-                        // the next message and we would create a new outbound connection instead using the inbound.
-                        connection.setPeerAddress(authenticationChallenge.senderNodeAddress);
-                        // We use the active connectionType if we started the authentication request to another peer
-                        connection.setConnectionPriority(ConnectionPriority.ACTIVE);
-                        log.trace("Received authenticationChallenge from " + peerNodeAddress);
-                        boolean verified = nonce != 0 && nonce == authenticationChallenge.requesterNonce;
-                        if (verified) {
-                            AuthenticationFinalResponse authenticationFinalResponse = new AuthenticationFinalResponse(myNodeAddress,
-                                    authenticationChallenge.responderNonce,
-                                    new HashSet<>(authenticatedAndReportedPeersSupplier.get()));
-                            SettableFuture<Connection> future = networkNode.sendMessage(peerNodeAddress, authenticationFinalResponse);
-                            log.trace("Sent AuthenticationFinalResponse {} to {}", authenticationFinalResponse, peerNodeAddress);
-                            Futures.addCallback(future, new FutureCallback<Connection>() {
-                                @Override
-                                public void onSuccess(Connection connection) {
-                                    log.trace("Successfully sent AuthenticationFinalResponse to {}", peerNodeAddress);
-
-                                    log.info("AuthenticationComplete: Peer with address " + peerNodeAddress
-                                            + " authenticated (" + connection.getUid() + "). Took "
-                                            + (System.currentTimeMillis() - startAuthTs) + " ms.");
-                                    completed(connection);
-                                }
-
-                                @Override
-                                public void onFailure(@NotNull Throwable throwable) {
-                                    log.info("AuthenticationFinalResponse sending failed " + throwable.getMessage());
-                                    failed(throwable);
-                                }
-                            });
-
-                            // now we add the reported peers to our list 
-                            addReportedPeersConsumer.accept(authenticationChallenge.reportedPeers, connection);
-                        } else {
-                            // We don't call failed as it might be that we get an old authenticationChallenge from a 
-                            // previously timed out request
-                            // We simply ignore the authenticationChallenge if the nonce is not matching to avoid that 
-                            // the current authentication turn gets terminated as well
-                            log.warn("Verification of nonce failed. Maybe we got an old authenticationChallenge " +
-                                    "from a timed out request" +
-                                    "\nnonce={} / peerAddress={} / authenticationChallenge={}", nonce, peerNodeAddress, authenticationChallenge);
-                            //failed(new AuthenticationException("Verification of nonce failed. AuthenticationChallenge=" + authenticationChallenge + " / nonceMap=" + nonce));
-                        }
-                    } else if (message instanceof AuthenticationFinalResponse) {
-                        // Responding peer
-                        AuthenticationFinalResponse authenticationFinalResponse = (AuthenticationFinalResponse) message;
-                        log.trace("Received AuthenticationFinalResponse from " + peerNodeAddress + " at " + myNodeAddress);
-                        boolean verified = nonce != 0 && nonce == authenticationFinalResponse.responderNonce;
-                        if (verified) {
-                            addReportedPeersConsumer.accept(authenticationFinalResponse.reportedPeers, connection);
-                            log.info("AuthenticationComplete: Peer with address " + peerNodeAddress
-                                    + " authenticated (" + connection.getUid() + "). Took "
-                                    + (System.currentTimeMillis() - startAuthTs) + " ms.");
-                            completed(connection);
-                        } else {
-                            // We don't call failed as it might be that we get an old authenticationFinalResponse from a 
-                            // previously timed out request
-                            // We simply ignore the authenticationFinalResponse if the nonce is not matching to avoid that 
-                            // the current authentication turn gets terminated as well
-                            log.warn("Verification of nonce failed. Maybe we got an old authenticationFinalResponse " +
-                                    "from a timed out request" +
-                                    "\nnonce={} / peerAddress={} / authenticationChallenge={}", nonce, peerNodeAddress, authenticationFinalResponse);
-                            log.warn("Verification of nonce failed. nonce={} / peerAddress={} / authenticationFinalResponse={}", nonce, peerNodeAddress, authenticationFinalResponse);
-                            //failed(new AuthenticationException("Verification of nonce failed. getPeersMessage=" + authenticationFinalResponse + " / nonce=" + nonce));
-                        }
-                    } else if (message instanceof AuthenticationRejection) {
-                        // Any peer
-                        failed(new AuthenticationException("Authentication to peer "
-                                + ((AuthenticationRejection) message).senderNodeAddress
-                                + " rejected because of a race conditions."));
-                    }
-                }
-            }
-        } else {
-            // TODO leave that for debugging for now, but remove it once the network is tested sufficiently
-            log.info("AuthenticationHandshake (peerAddress={}) already shut down but still got onMessage called. " +
-                    "That can happen because of Thread mapping.", peerNodeAddress);
-            log.debug("message={}", message);
-            log.debug("connection={}", connection);
-            return;
-        }
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Authentication initiated by requesting peer
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public SettableFuture<Connection> requestAuthentication() {
-        Log.traceCall("peerAddress " + peerNodeAddress);
-        // Requesting peer
-
-        if (stopped) {
-            // TODO leave that for debugging for now, but remove it once the network is tested sufficiently
-            log.warn("AuthenticationHandshake (peerAddress={}) already shut down but still got requestAuthentication called. That must not happen.", peerNodeAddress);
-        }
-
-        resultFutureOptional = Optional.of(SettableFuture.create());
-        AuthenticationRequest authenticationRequest = new AuthenticationRequest(myNodeAddress, getAndSetNonce());
-        SettableFuture<Connection> future = networkNode.sendMessage(peerNodeAddress, authenticationRequest);
-        Futures.addCallback(future, new FutureCallback<Connection>() {
-            @Override
-            public void onSuccess(Connection connection) {
-                log.trace("send AuthenticationRequest to " + peerNodeAddress + " succeeded.");
-
-                // We protect that connection from getting closed by maintenance cleanup...
-                connection.setConnectionPriority(ConnectionPriority.AUTH_REQUEST);
-            }
-
-            @Override
-            public void onFailure(@NotNull Throwable throwable) {
-                log.info("Send AuthenticationRequest to " + peerNodeAddress + " failed. " +
-                        "It might be that the peer went offline.\nException:" + throwable.getMessage());
-                failed(throwable);
-            }
-        });
-
-        if (timeoutTimer != null)
-            timeoutTimer.cancel();
-
-        timeoutTimer = UserThread.runAfter(() -> failed(new AuthenticationException("Authentication to peer "
-                + peerNodeAddress
-                + " failed because of a timeout. " +
-                "We did not get an AuthenticationChallenge message responded after 30 sec.")), 30);
-
-        return resultFutureOptional.get();
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Responding to authentication request
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public SettableFuture<Connection> respondToAuthenticationRequest(AuthenticationRequest authenticationRequest,
-                                                                     Connection connection) {
-        Log.traceCall("peerAddress " + peerNodeAddress);
-        // Responding peer
-
-        if (stopped) {
-            // TODO leave that for debugging for now, but remove it once the network is tested sufficiently
-            log.warn("AuthenticationHandshake (peerAddress={}) already shut down but still got respondToAuthenticationRequest called. That must not happen.", peerNodeAddress);
-            log.warn("authenticationRequest={}", authenticationRequest);
-            log.warn("connection={}", connection);
-        }
-
-        resultFutureOptional = Optional.of(SettableFuture.create());
-
-        log.info("We shut down inbound connection from peer {} to establish a new " +
-                "connection with his reported address to verify if his address is correct.", peerNodeAddress);
-
-        connection.shutDown(() -> {
-            if (shutDownTimer != null)
-                shutDownTimer.cancel();
-
-            shutDownTimer = UserThread.runAfter(() -> {
-                if (!stopped) {
-                    // we delay a bit as listeners for connection.onDisconnect are on other threads and might lead to 
-                    // inconsistent state
-                    log.trace("respondToAuthenticationRequest: connection.shutDown complete. peerAddress=" + peerNodeAddress + " / myAddress=" + myNodeAddress);
-
-                    // we send additionally the reported and authenticated peers to save one message in the protocol.
-                    AuthenticationChallenge authenticationChallenge = new AuthenticationChallenge(myNodeAddress,
-                            authenticationRequest.requesterNonce,
-                            getAndSetNonce(),
-                            new HashSet<>(authenticatedAndReportedPeersSupplier.get()));
-                    SettableFuture<Connection> future = networkNode.sendMessage(peerNodeAddress, authenticationChallenge);
-                    Futures.addCallback(future, new FutureCallback<Connection>() {
-                        @Override
-                        public void onSuccess(Connection connection) {
-                            log.trace("AuthenticationChallenge successfully sent");
-
-                            // We use passive connectionType for connections created from received authentication 
-                            // requests from other peers 
-                            connection.setConnectionPriority(ConnectionPriority.PASSIVE);
-                        }
-
-                        @Override
-                        public void onFailure(@NotNull Throwable throwable) {
-                            log.warn("Failure at sending AuthenticationChallenge to {}. It might be that the peer went offline. Exception={}", peerNodeAddress, throwable.getMessage());
-                            failed(throwable);
-                        }
-                    });
-
-                    if (timeoutTimer != null)
-                        timeoutTimer.cancel();
-
-                    timeoutTimer = UserThread.runAfter(() -> failed(new AuthenticationException("Authentication of peer "
-                            + peerNodeAddress
-                            + " failed because of a timeout. " +
-                            "We did not get an AuthenticationFinalResponse message responded after 30 sec.\n" +
-                            "")), 30, TimeUnit.SECONDS);
-
-                } else {
-                    log.info("AuthenticationHandshake (peerAddress={}) already shut down before we could sent " +
-                            "AuthenticationChallenge. That might happen in rare cases.", peerNodeAddress);
-                }
-            }, 2000, TimeUnit.MILLISECONDS); // Don't set the delay too short as the CloseConnectionMessage might arrive too late at the peer
-        });
-        return resultFutureOptional.get();
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Cancel 
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public void cancel(NodeAddress peerNodeAddress) {
-        Log.traceCall();
-        failed(new AuthenticationException("Authentication to peer "
-                + peerNodeAddress
-                + " canceled because of a race conditions."));
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Getter
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public Optional<SettableFuture<Connection>> getResultFutureOptional() {
-        return resultFutureOptional;
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Private
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    private long getAndSetNonce() {
-        Log.traceCall();
-        nonce = new Random().nextLong();
-        while (nonce == 0)
-            nonce = new Random().nextLong();
-
-        return nonce;
-    }
-
-    private void failed(@NotNull Throwable throwable) {
-        Log.traceCall(throwable.toString());
-        shutDown();
-        if (resultFutureOptional.isPresent())
-            resultFutureOptional.get().setException(throwable);
-        else
-            log.warn("failed called but resultFuture = null. That must never happen.");
-    }
-
-    private void completed(Connection connection) {
-        Log.traceCall();
-        shutDown();
-        if (resultFutureOptional.isPresent())
-            resultFutureOptional.get().set(connection);
-        else
-            log.warn("completed called but resultFuture = null. That must never happen.");
-    }
-
-    private void shutDown() {
-        Log.traceCall("peerAddress = " + peerNodeAddress);
-        stopped = true;
-
-        if (timeoutTimer != null)
-            timeoutTimer.cancel();
-
-        if (shutDownTimer != null)
-            shutDownTimer.cancel();
-
-        networkNode.removeMessageListener(this);
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/AuthenticationListener.java

@@ -1,8 +0,0 @@
-package io.bitsquare.p2p.peers;
-
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.network.Connection;
-
-public interface AuthenticationListener {
-    void onPeerAuthenticated(NodeAddress peerNodeAddress, Connection connection);
-}

network/src/main/java/io/bitsquare/p2p/peers/Broadcaster.java

@@ -0,0 +1,60 @@
+package io.bitsquare.p2p.peers;
+
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.SettableFuture;
+import io.bitsquare.app.Log;
+import io.bitsquare.p2p.NodeAddress;
+import io.bitsquare.p2p.network.Connection;
+import io.bitsquare.p2p.network.NetworkNode;
+import io.bitsquare.p2p.storage.messages.DataBroadcastMessage;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+public class Broadcaster {
+    private static final Logger log = LoggerFactory.getLogger(Broadcaster.class);
+    private final NetworkNode networkNode;
+
+    public Broadcaster(NetworkNode networkNode) {
+        this.networkNode = networkNode;
+    }
+
+    public void broadcast(DataBroadcastMessage message, @Nullable NodeAddress sender) {
+        Log.traceCall("Sender " + sender + ". Message " + message.toString());
+        Set<NodeAddress> receivers = networkNode.getNodeAddressesOfSucceededConnections();
+        if (!receivers.isEmpty()) {
+            log.info("Broadcast message to {} peers. Message: {}", receivers.size(), message);
+            receivers.stream()
+                    .filter(e -> !e.equals(sender))
+                    .forEach(nodeAddress -> {
+                        log.trace("Broadcast message from " + networkNode.getNodeAddress() + " to " + nodeAddress + ".");
+                        SettableFuture<Connection> future = networkNode.sendMessage(nodeAddress, message);
+                        Futures.addCallback(future, new FutureCallback<Connection>() {
+                            @Override
+                            public void onSuccess(Connection connection) {
+                                log.trace("Broadcast from " + networkNode.getNodeAddress() + " to " + nodeAddress + " succeeded.");
+                                if (connection != null) {
+                                    if (!connection.getPeersNodeAddressOptional().isPresent())
+                                        connection.setPeersNodeAddress(nodeAddress);
+
+                                    if (connection.getPeerType() == null)
+                                        connection.setPeerType(Connection.PeerType.PEER);
+                                }
+                            }
+
+                            @Override
+                            public void onFailure(@NotNull Throwable throwable) {
+                                log.info("Broadcast failed. " + throwable.getMessage());
+                            }
+                        });
+                    });
+        } else {
+            log.info("Message not broadcasted because we have no available peers yet. " +
+                    "message = {}", message);
+        }
+    }
+}

network/src/main/java/io/bitsquare/p2p/peers/PeerExchangeManager.java

@@ -10,6 +10,7 @@ import io.bitsquare.common.util.Utilities;
 import io.bitsquare.p2p.Message;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.network.Connection;
+import io.bitsquare.p2p.network.ConnectionListener;
 import io.bitsquare.p2p.network.MessageListener;
 import io.bitsquare.p2p.network.NetworkNode;
 import io.bitsquare.p2p.peers.messages.peers.GetPeersRequest;
@@ -19,47 +20,39 @@ import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Random;
-import java.util.Set;
+import javax.annotation.Nullable;
+import java.util.*;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
-import java.util.function.BiConsumer;
-import java.util.function.Consumer;
-import java.util.function.Supplier;
+import java.util.stream.Collectors;
 
-public class PeerExchangeManager implements MessageListener {
+public class PeerExchangeManager implements MessageListener, ConnectionListener {
     private static final Logger log = LoggerFactory.getLogger(PeerExchangeManager.class);
 
     private final NetworkNode networkNode;
-    private final Supplier<Set<ReportedPeer>> authenticatedAndReportedPeersSupplier;
-    private final Supplier<Map<NodeAddress, Peer>> authenticatedPeersSupplier;
-    private final Consumer<NodeAddress> removePeerConsumer;
-    private final BiConsumer<HashSet<ReportedPeer>, Connection> addReportedPeersConsumer;
+    private final PeerManager peerManager;
+    private final Set<NodeAddress> seedNodeAddresses;
     private final ScheduledThreadPoolExecutor executor;
+    private Timer requestReportedPeersTimer, checkForSeedNodesTimer;
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public PeerExchangeManager(NetworkNode networkNode,
-                               Supplier<Set<ReportedPeer>> authenticatedAndReportedPeersSupplier,
-                               Supplier<Map<NodeAddress, Peer>> authenticatedPeersSupplier,
-                               Consumer<NodeAddress> removePeerConsumer,
-                               BiConsumer<HashSet<ReportedPeer>, Connection> addReportedPeersConsumer) {
+    public PeerExchangeManager(NetworkNode networkNode, PeerManager peerManager, Set<NodeAddress> seedNodeAddresses) {
         this.networkNode = networkNode;
-        this.authenticatedAndReportedPeersSupplier = authenticatedAndReportedPeersSupplier;
-        this.authenticatedPeersSupplier = authenticatedPeersSupplier;
-        this.removePeerConsumer = removePeerConsumer;
-        this.addReportedPeersConsumer = addReportedPeersConsumer;
+        this.peerManager = peerManager;
+        this.seedNodeAddresses = new HashSet<>(seedNodeAddresses);
 
         networkNode.addMessageListener(this);
 
         executor = Utilities.getScheduledThreadPoolExecutor("PeerExchangeManager", 1, 10, 5);
-        long delay = new Random().nextInt(60) + 60 * 6; // 6-7 min.
-        executor.scheduleAtFixedRate(() -> UserThread.execute(() -> trySendGetPeersRequest()), delay, delay, TimeUnit.SECONDS);
+        long delay = new Random().nextInt(60) + 60 * 6; // 6-7 min. 
+        executor.scheduleAtFixedRate(() -> UserThread.execute(() -> {
+            sendGetPeersRequestToAllConnectedPeers();
+            checkSeedNodes();
+        }), delay, delay, TimeUnit.SECONDS);
     }
 
     public void shutDown() {
@@ -67,6 +60,28 @@ public class PeerExchangeManager implements MessageListener {
 
         networkNode.removeMessageListener(this);
         MoreExecutors.shutdownAndAwaitTermination(executor, 500, TimeUnit.MILLISECONDS);
+        stopRequestReportedPeersTimer();
+        stopCheckForSeedNodesTimer();
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // ConnectionListener implementation
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onConnection(Connection connection) {
+    }
+
+    @Override
+    public void onDisconnect(Reason reason, Connection connection) {
+        if (checkForSeedNodesTimer == null)
+            checkForSeedNodesTimer = UserThread.runAfter(this::checkSeedNodes,
+                    networkNode.getAllConnections().size() * 10, TimeUnit.SECONDS);
+    }
+
+    @Override
+    public void onError(Throwable throwable) {
     }
 
 
@@ -82,53 +97,221 @@ public class PeerExchangeManager implements MessageListener {
                 GetPeersRequest getPeersRequestMessage = (GetPeersRequest) message;
                 HashSet<ReportedPeer> reportedPeers = getPeersRequestMessage.reportedPeers;
                 log.trace("Received peers: " + reportedPeers);
+                if (!connection.getPeersNodeAddressOptional().isPresent())
+                    connection.setPeersNodeAddress(getPeersRequestMessage.senderNodeAddress);
 
                 SettableFuture<Connection> future = networkNode.sendMessage(connection,
-                        new GetPeersResponse(new HashSet<>(authenticatedAndReportedPeersSupplier.get())));
+                        new GetPeersResponse(getReportedPeersHashSet(getPeersRequestMessage.senderNodeAddress)));
                 Futures.addCallback(future, new FutureCallback<Connection>() {
                     @Override
                     public void onSuccess(Connection connection) {
                         log.trace("GetPeersResponse sent successfully");
+
+                        handleOnSuccess(connection, null);
                     }
 
                     @Override
                     public void onFailure(@NotNull Throwable throwable) {
                         log.info("GetPeersResponse sending failed " + throwable.getMessage());
-                        removePeerConsumer.accept(getPeersRequestMessage.senderNodeAddress);
                     }
                 });
-                addReportedPeersConsumer.accept(reportedPeers, connection);
+                peerManager.addToReportedPeers(reportedPeers, connection);
             } else if (message instanceof GetPeersResponse) {
-                GetPeersResponse getPeersResponse = (GetPeersResponse) message;
-                HashSet<ReportedPeer> reportedPeers = getPeersResponse.reportedPeers;
+                HashSet<ReportedPeer> reportedPeers = ((GetPeersResponse) message).reportedPeers;
                 log.trace("Received peers: " + reportedPeers);
-                addReportedPeersConsumer.accept(reportedPeers, connection);
+                peerManager.addToReportedPeers(reportedPeers, connection);
+
+                if (!peerManager.hasSufficientConnections()) {
+                    List<NodeAddress> remainingNodeAddresses = new ArrayList<>(peerManager.getNodeAddressesOfReportedPeers());
+                    networkNode.getNodeAddressesOfSucceededConnections().stream().forEach(remainingNodeAddresses::remove);
+                    if (!remainingNodeAddresses.isEmpty()) {
+                        NodeAddress nodeAddress = remainingNodeAddresses.get(new Random().nextInt(remainingNodeAddresses.size()));
+                        remainingNodeAddresses.remove(nodeAddress);
+                        requestPeersFromReportedPeers(nodeAddress, remainingNodeAddresses);
+                    }
+                }
             }
         }
     }
 
 
-    private void trySendGetPeersRequest() {
-        Set<Peer> connectedPeersList = new HashSet<>(authenticatedPeersSupplier.get().values());
-        if (!connectedPeersList.isEmpty()) {
-            Log.traceCall();
-            connectedPeersList.stream()
-                    .forEach(e -> {
-                        SettableFuture<Connection> future = networkNode.sendMessage(e.connection,
-                                new GetPeersRequest(networkNode.getNodeAddress(), new HashSet<>(authenticatedAndReportedPeersSupplier.get())));
-                        Futures.addCallback(future, new FutureCallback<Connection>() {
-                            @Override
-                            public void onSuccess(Connection connection) {
-                                log.trace("sendGetPeersRequest sent successfully");
-                            }
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // API
+    ///////////////////////////////////////////////////////////////////////////////////////////
 
-                            @Override
-                            public void onFailure(@NotNull Throwable throwable) {
-                                log.info("sendGetPeersRequest sending failed " + throwable.getMessage());
-                                removePeerConsumer.accept(e.nodeAddress);
-                            }
-                        });
-                    });
+    public void getReportedPeersFromFirstSeedNode(NodeAddress nodeAddress) {
+        getReportedPeersFromSeedNode(nodeAddress, new ArrayList<>(seedNodeAddresses));
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Private
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void getReportedPeersFromSeedNode(NodeAddress nodeAddress, List<NodeAddress> remainingNodeAddresses) {
+        Log.traceCall("nodeAddress=" + nodeAddress);
+        stopRequestReportedPeersTimer();
+        stopCheckForSeedNodesTimer();
+
+        SettableFuture<Connection> future = networkNode.sendMessage(nodeAddress,
+                new GetPeersRequest(networkNode.getNodeAddress(), getReportedPeersHashSet(nodeAddress)));
+        Futures.addCallback(future, new FutureCallback<Connection>() {
+            @Override
+            public void onSuccess(Connection connection) {
+                log.trace("GetPeersRequest sent successfully");
+
+                handleOnSuccess(connection, nodeAddress);
+            }
+
+            @Override
+            public void onFailure(@NotNull Throwable throwable) {
+                log.info("GetPeersRequest sending failed " + throwable.getMessage());
+
+                if (!remainingNodeAddresses.isEmpty()) {
+                    log.info("There are more seed nodes available for requesting peers. " +
+                            "We will try getReportedPeersFromFirstSeedNode again.");
+
+                    NodeAddress nextCandidate = remainingNodeAddresses.get(new Random().nextInt(remainingNodeAddresses.size()));
+                    remainingNodeAddresses.remove(nextCandidate);
+                    getReportedPeersFromSeedNode(nextCandidate, remainingNodeAddresses);
+                } else {
+                    log.info("There is no seed node available for requesting peers. " +
+                            "That is expected if no seed node is online.\n" +
+                            "We will try again to request peers from a seed node after a random pause.");
+                    requestReportedPeersTimer = UserThread.runAfterRandomDelay(() -> {
+                                if (!seedNodeAddresses.isEmpty()) {
+                                    List<NodeAddress> nodeAddresses = new ArrayList<>(seedNodeAddresses);
+                                    NodeAddress nextCandidate = nodeAddresses.get(new Random().nextInt(nodeAddresses.size()));
+                                    nodeAddresses.remove(nextCandidate);
+                                    getReportedPeersFromSeedNode(nextCandidate, nodeAddresses);
+                                }
+                            },
+                            30, 40, TimeUnit.SECONDS);
+                }
+            }
+        });
+    }
+
+    private void handleOnSuccess(Connection connection, @Nullable NodeAddress nodeAddress) {
+        if (connection != null) {
+            if (!connection.getPeersNodeAddressOptional().isPresent() && nodeAddress != null)
+                connection.setPeersNodeAddress(nodeAddress);
+
+            if (connection.getPeerType() == null)
+                connection.setPeerType(peerManager.isSeedNode(connection) ? Connection.PeerType.SEED_NODE : Connection.PeerType.PEER);
+        }
+    }
+
+    private void requestPeersFromReportedPeers(NodeAddress nodeAddress, List<NodeAddress> remainingNodeAddresses) {
+        Log.traceCall("nodeAddress=" + nodeAddress);
+        stopRequestReportedPeersTimer();
+
+        SettableFuture<Connection> future = networkNode.sendMessage(nodeAddress,
+                new GetPeersRequest(networkNode.getNodeAddress(), getReportedPeersHashSet(nodeAddress)));
+        Futures.addCallback(future, new FutureCallback<Connection>() {
+            @Override
+            public void onSuccess(Connection connection) {
+                log.trace("sendGetPeersRequest sent successfully");
+
+                handleOnSuccess(connection, nodeAddress);
+            }
+
+            @Override
+            public void onFailure(@NotNull Throwable throwable) {
+                log.info("sendGetPeersRequest sending failed " + throwable.getMessage());
+
+                peerManager.removePeer(nodeAddress);
+
+                if (!remainingNodeAddresses.isEmpty()) {
+                    log.info("There are more reported peers available for requesting peers. " +
+                            "We will try getReportedPeersFromFirstSeedNode again.");
+
+                    NodeAddress nextCandidate = remainingNodeAddresses.get(new Random().nextInt(remainingNodeAddresses.size()));
+                    remainingNodeAddresses.remove(nextCandidate);
+                    requestPeersFromReportedPeers(nextCandidate, remainingNodeAddresses);
+                } else {
+                    log.info("There are no more reported peers available for requesting peers. " +
+                            "We will try again to request peers from the reported peers again after a random pause.");
+                    requestReportedPeersTimer = UserThread.runAfterRandomDelay(() -> {
+                                List<NodeAddress> nodeAddresses = new ArrayList<>(peerManager.getNodeAddressesOfReportedPeers());
+                                if (!nodeAddresses.isEmpty()) {
+                                    NodeAddress nextCandidate = nodeAddresses.get(new Random().nextInt(nodeAddresses.size()));
+                                    nodeAddresses.remove(nextCandidate);
+                                    requestPeersFromReportedPeers(nextCandidate, nodeAddresses);
+                                }
+                            },
+                            30, 40, TimeUnit.SECONDS);
+                }
+            }
+        });
+    }
+
+    private void stopRequestReportedPeersTimer() {
+        if (requestReportedPeersTimer != null) {
+            requestReportedPeersTimer.cancel();
+            requestReportedPeersTimer = null;
+        }
+    }
+
+    private void stopCheckForSeedNodesTimer() {
+        if (checkForSeedNodesTimer != null) {
+            checkForSeedNodesTimer.cancel();
+            checkForSeedNodesTimer = null;
+        }
+    }
+
+
+    private void sendGetPeersRequestToAllConnectedPeers() {
+        // copy set to avoid issues with changes in set (we dont need to be perfectly in sync so no need to use a concurrent set)
+        Set<NodeAddress> connectedPeers = new HashSet<>(networkNode.getNodeAddressesOfSucceededConnections());
+        if (!connectedPeers.isEmpty()) {
+            Log.traceCall("connectedPeers.size=" + connectedPeers.size());
+            connectedPeers.stream().forEach(nodeAddress ->
+                    UserThread.runAfterRandomDelay(() ->
+                            sendGetPeersRequest(nodeAddress), 3, 6));
+        }
+    }
+
+    private void sendGetPeersRequest(NodeAddress nodeAddress) {
+        Log.traceCall("nodeAddress=" + nodeAddress);
+        SettableFuture<Connection> future = networkNode.sendMessage(nodeAddress,
+                new GetPeersRequest(networkNode.getNodeAddress(), getReportedPeersHashSet(nodeAddress)));
+        Futures.addCallback(future, new FutureCallback<Connection>() {
+            @Override
+            public void onSuccess(Connection connection) {
+                log.trace("sendGetPeersRequest sent successfully");
+                handleOnSuccess(connection, nodeAddress);
+            }
+
+            @Override
+            public void onFailure(@NotNull Throwable throwable) {
+                log.info("sendGetPeersRequest sending failed " + throwable.getMessage());
+                peerManager.removePeer(nodeAddress);
+            }
+        });
+    }
+
+    private HashSet<ReportedPeer> getReportedPeersHashSet(@Nullable NodeAddress receiverNodeAddress) {
+        return new HashSet<>(peerManager.getConnectedAndReportedPeers().stream()
+                .filter(e -> !peerManager.isSeedNode(e) &&
+                                !e.nodeAddress.equals(networkNode.getNodeAddress()) &&
+                                !e.nodeAddress.equals(receiverNodeAddress)
+                )
+                .collect(Collectors.toSet()));
+    }
+
+    private void checkSeedNodes() {
+        Log.traceCall();
+        Set<Connection> allConnections = networkNode.getAllConnections();
+        List<Connection> seedNodes = allConnections.stream()
+                .filter(peerManager::isSeedNode)
+                .collect(Collectors.toList());
+
+        if (seedNodes.size() == 0 && !seedNodeAddresses.isEmpty()) {
+            List<NodeAddress> nodeAddresses = new ArrayList<>(seedNodeAddresses);
+            NodeAddress nextCandidate = nodeAddresses.get(new Random().nextInt(nodeAddresses.size()));
+            nodeAddresses.remove(nextCandidate);
+            getReportedPeersFromSeedNode(nextCandidate, nodeAddresses);
         }
     }
 }

network/src/main/java/io/bitsquare/p2p/peers/RequestDataManager.java

@@ -8,7 +8,6 @@ import io.bitsquare.common.UserThread;
 import io.bitsquare.p2p.Message;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.network.Connection;
-import io.bitsquare.p2p.network.ConnectionPriority;
 import io.bitsquare.p2p.network.MessageListener;
 import io.bitsquare.p2p.network.NetworkNode;
 import io.bitsquare.p2p.peers.messages.data.DataRequest;
@@ -25,9 +24,8 @@ import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
 
-public class RequestDataManager implements MessageListener, AuthenticationListener {
+public class RequestDataManager implements MessageListener {
     private static final Logger log = LoggerFactory.getLogger(RequestDataManager.class);
 
 
@@ -40,7 +38,11 @@ public class RequestDataManager implements MessageListener, AuthenticationListen
 
         void onNoPeersAvailable();
 
-        void onDataReceived(NodeAddress seedNode);
+        void onDataReceived();
+
+        void onPreliminaryDataReceived();
+
+        void onDataUpdate();
     }
 
 
@@ -50,21 +52,22 @@ public class RequestDataManager implements MessageListener, AuthenticationListen
     private final HashSet<ReportedPeer> persistedPeers = new HashSet<>();
     private final HashSet<ReportedPeer> remainingPersistedPeers = new HashSet<>();
     private Listener listener;
-    private Optional<NodeAddress> optionalConnectedSeedNodeAddress = Optional.empty();
-    private Collection<NodeAddress> seedNodeNodeAddresses;
-    protected Timer requestDataFromAuthenticatedSeedNodeTimer;
-    private Timer requestDataTimer, requestDataWithPersistedPeersTimer;
-    private boolean doNotifyNoSeedNodeAvailableListener = true;
+    private Optional<NodeAddress> seedNodeOfPreliminaryDataRequest = Optional.empty();
+    private final Collection<NodeAddress> seedNodeAddresses;
+    private Timer requestDataFromSeedNodesTimer, requestDataFromPersistedPeersTimer, dataRequestTimeoutTimer;
+    private boolean noSeedNodeAvailableListenerNotified;
+    private boolean dataUpdateRequested;
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public RequestDataManager(NetworkNode networkNode, P2PDataStorage dataStorage, PeerManager peerManager) {
+    public RequestDataManager(NetworkNode networkNode, P2PDataStorage dataStorage, PeerManager peerManager, Set<NodeAddress> seedNodeAddresses) {
         this.networkNode = networkNode;
         this.dataStorage = dataStorage;
         this.peerManager = peerManager;
+        this.seedNodeAddresses = new HashSet<>(seedNodeAddresses);
 
         networkNode.addMessageListener(this);
     }
@@ -74,9 +77,9 @@ public class RequestDataManager implements MessageListener, AuthenticationListen
 
         networkNode.removeMessageListener(this);
 
-        stopRequestDataTimer();
-        stopRequestDataWithPersistedPeersTimer();
-        stopRequestDataFromAuthenticatedSeedNodeTimer();
+        stopRequestDataFromSeedNodesTimer();
+        stopRequestDataFromPersistedPeersTimer();
+        stopDataRequestTimeoutTimer();
     }
 
 
@@ -88,102 +91,158 @@ public class RequestDataManager implements MessageListener, AuthenticationListen
         this.listener = listener;
     }
 
-    public void requestDataFromSeedNodes(Collection<NodeAddress> seedNodeNodeAddresses) {
-        checkNotNull(seedNodeNodeAddresses, "requestDataFromSeedNodes: seedNodeAddresses must not be null.");
-        checkArgument(!seedNodeNodeAddresses.isEmpty(), "requestDataFromSeedNodes: seedNodeAddresses must not be empty.");
-
-        this.seedNodeNodeAddresses = seedNodeNodeAddresses;
-        requestData(seedNodeNodeAddresses);
+    public void requestPreliminaryData() {
+        requestDataFromPeers(seedNodeAddresses);
     }
 
-    private void requestData(Collection<NodeAddress> nodeAddresses) {
+    public void updateDataFromConnectedSeedNode() {
+        Log.traceCall();
+        checkArgument(seedNodeOfPreliminaryDataRequest.isPresent(), "seedNodeOfPreliminaryDataRequest must be present");
+        dataUpdateRequested = true;
+        requestDataFromPeer(seedNodeOfPreliminaryDataRequest.get(), seedNodeAddresses);
+    }
+
+    public Optional<NodeAddress> getSeedNodeOfPreliminaryDataRequest() {
+        return seedNodeOfPreliminaryDataRequest;
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // MessageListener implementation
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onMessage(Message message, Connection connection) {
+        Optional<NodeAddress> peersNodeAddressOptional = connection.getPeersNodeAddressOptional();
+        if (message instanceof DataRequest) {
+            // We are a seed node and receive that msg from a new node
+            Log.traceCall(message.toString());
+            DataRequest dataRequest = (DataRequest) message;
+            if (peersNodeAddressOptional.isPresent()) {
+                checkArgument(peersNodeAddressOptional.get().equals(dataRequest.senderNodeAddress),
+                        "Sender address in message not matching the peers address in our connection.");
+            } else if (dataRequest.senderNodeAddress != null) {
+                // If first data request the peer does not has its address
+                // in case of requesting from first seed node after hidden service is published we did not knew the peers address
+                connection.setPeersNodeAddress(dataRequest.senderNodeAddress);
+            }
+            networkNode.sendMessage(connection, new DataResponse(new HashSet<>(dataStorage.getMap().values())));
+        } else if (message instanceof DataResponse) {
+            // We are the new node which has requested the data
+            Log.traceCall(message.toString());
+            DataResponse dataResponse = (DataResponse) message;
+            HashSet<ProtectedData> set = dataResponse.set;
+            // we keep that connection open as the bootstrapping peer will use that later for a re-sync
+            // as the hidden service is  not published yet the data adding will not be broadcasted to others
+            peersNodeAddressOptional.ifPresent(peersNodeAddress -> set.stream().forEach(e -> dataStorage.add(e, peersNodeAddress)));
+
+            stopDataRequestTimeoutTimer();
+            connection.getPeersNodeAddressOptional().ifPresent(e -> {
+                if (!seedNodeOfPreliminaryDataRequest.isPresent()) {
+                    seedNodeOfPreliminaryDataRequest = Optional.of(e);
+                    listener.onPreliminaryDataReceived();
+                }
+
+                if (dataUpdateRequested) {
+                    dataUpdateRequested = false;
+                    listener.onDataUpdate();
+                }
+
+                listener.onDataReceived();
+            });
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Private
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void requestDataFromPeers(Collection<NodeAddress> nodeAddresses) {
         Log.traceCall(nodeAddresses.toString());
-        checkArgument(!nodeAddresses.isEmpty(), "requestData: addresses must not be empty.");
-        stopRequestDataTimer();
+        checkArgument(!nodeAddresses.isEmpty(), "requestDataFromPeers: nodeAddresses must not be empty.");
+        stopRequestDataFromSeedNodesTimer();
         List<NodeAddress> remainingNodeAddresses = new ArrayList<>(nodeAddresses);
         NodeAddress candidate = remainingNodeAddresses.get(new Random().nextInt(remainingNodeAddresses.size()));
-        if (!peerManager.isInAuthenticationProcess(candidate)) {
-            // We only remove it if it is not in the process of authentication
-            remainingNodeAddresses.remove(candidate);
-            log.info("We try to send a GetAllDataMessage request to node. " + candidate);
-
-            SettableFuture<Connection> future = networkNode.sendMessage(candidate, new DataRequest());
-            Futures.addCallback(future, new FutureCallback<Connection>() {
-                @Override
-                public void onSuccess(@Nullable Connection connection) {
-                    log.info("Send GetAllDataMessage to " + candidate + " succeeded.");
-                    checkArgument(!optionalConnectedSeedNodeAddress.isPresent(), "We have already a connectedSeedNode. That must not happen.");
-                    optionalConnectedSeedNodeAddress = Optional.of(candidate);
-
-                    stopRequestDataTimer();
-                    stopRequestDataWithPersistedPeersTimer();
-                }
-
-                @Override
-                public void onFailure(@NotNull Throwable throwable) {
-                    log.info("Send GetAllDataMessage to " + candidate + " failed. " +
-                            "That is expected if the node is offline. " +
-                            "Exception:" + throwable.getMessage());
-
-                    if (!remainingNodeAddresses.isEmpty()) {
-                        log.info("There are more seed nodes available for requesting data. " +
-                                "We will try requestData again.");
-
-                        ReportedPeer reportedPeer = new ReportedPeer(candidate);
-                        if (remainingPersistedPeers.contains(reportedPeer))
-                            remainingPersistedPeers.remove(reportedPeer);
-
-                        requestData(remainingNodeAddresses);
-                    } else {
-                        log.info("There is no seed node available for requesting data. " +
-                                "That is expected if no seed node is online.\n" +
-                                "We will try again to request data from a seed node after a random pause.");
-
-                        requestDataWithPersistedPeers(candidate);
-                        requestDataWithSeedNodeAddresses();
-                    }
-                }
-            });
-        } else if (!remainingNodeAddresses.isEmpty()) {
-            log.info("The node ({}) is in the process of authentication.\n" +
-                    "We will try requestData again with the remaining addresses.", candidate);
-            remainingNodeAddresses.remove(candidate);
-            if (!remainingNodeAddresses.isEmpty()) {
-                requestData(remainingNodeAddresses);
-            } else {
-                log.info("The node ({}) is in the process of authentication.\n" +
-                        "There are no more remaining addresses available.\n" +
-                        "We try requestData with the persistedPeers and after a pause with " +
-                        "the seed nodes again.", candidate);
-                requestDataWithPersistedPeers(candidate);
-                requestDataWithSeedNodeAddresses();
-            }
-        } else {
-            log.info("The node ({}) is in the process of authentication.\n" +
-                    "There are no more remaining addresses available.\n" +
-                    "We try requestData with the persistedPeers and after a pause with " +
-                    "the seed nodes again.", candidate);
-            requestDataWithPersistedPeers(candidate);
-            requestDataWithSeedNodeAddresses();
-        }
+        requestDataFromPeer(candidate, remainingNodeAddresses);
     }
 
-    private void requestDataWithSeedNodeAddresses() {
+    private void requestDataFromPeer(NodeAddress nodeAddress, Collection<NodeAddress> remainingNodeAddresses) {
+        Log.traceCall(nodeAddress.toString());
+        remainingNodeAddresses.remove(nodeAddress);
+        log.info("We try to send a DataRequest request to node. " + nodeAddress);
+
+        stopDataRequestTimeoutTimer();
+        dataRequestTimeoutTimer = UserThread.runAfter(() -> {
+                    log.info("firstDataRequestTimeoutTimer called");
+                    if (!remainingNodeAddresses.isEmpty()) {
+                        requestDataFromPeers(remainingNodeAddresses);
+                    } else {
+                        requestDataFromPersistedPeersAfterDelay(nodeAddress);
+                        requestDataFromSeedNodesAfterDelay();
+                    }
+                },
+                10, TimeUnit.SECONDS);
+
+        SettableFuture<Connection> future = networkNode.sendMessage(nodeAddress, new DataRequest(networkNode.getNodeAddress()));
+        Futures.addCallback(future, new FutureCallback<Connection>() {
+            @Override
+            public void onSuccess(@Nullable Connection connection) {
+                log.info("Send DataRequest to " + nodeAddress + " succeeded.");
+
+                if (connection != null) {
+                    if (!connection.getPeersNodeAddressOptional().isPresent())
+                        connection.setPeersNodeAddress(nodeAddress);
+
+                    if (connection.getPeerType() == null)
+                        connection.setPeerType(peerManager.isSeedNode(connection) ? Connection.PeerType.SEED_NODE : Connection.PeerType.PEER);
+                }
+            }
+
+            @Override
+            public void onFailure(@NotNull Throwable throwable) {
+                log.info("Send DataRequest to " + nodeAddress + " failed. " +
+                        "That is expected if the node is offline. " +
+                        "Exception:" + throwable.getMessage());
+
+                if (!remainingNodeAddresses.isEmpty()) {
+                    log.info("There are more seed nodes available for requesting data. " +
+                            "We will try requestData again.");
+
+                    ReportedPeer reportedPeer = new ReportedPeer(nodeAddress);
+                    if (remainingPersistedPeers.contains(reportedPeer))
+                        remainingPersistedPeers.remove(reportedPeer);
+
+                    requestDataFromPeers(remainingNodeAddresses);
+                } else {
+                    log.info("There is no seed node available for requesting data. " +
+                            "That is expected if no seed node is online.\n" +
+                            "We will try again to request data from a seed node after a random pause.");
+
+                    requestDataFromPersistedPeersAfterDelay(nodeAddress);
+                    requestDataFromSeedNodesAfterDelay();
+                }
+            }
+        });
+    }
+
+    private void requestDataFromSeedNodesAfterDelay() {
         Log.traceCall();
         // We only want to notify the first time
-        if (doNotifyNoSeedNodeAvailableListener) {
-            doNotifyNoSeedNodeAvailableListener = false;
+        if (!noSeedNodeAvailableListenerNotified) {
+            noSeedNodeAvailableListenerNotified = true;
             listener.onNoSeedNodeAvailable();
         }
-        if (requestDataTimer == null)
-            requestDataTimer = UserThread.runAfterRandomDelay(() -> requestData(seedNodeNodeAddresses),
+
+        if (requestDataFromSeedNodesTimer == null)
+            requestDataFromSeedNodesTimer = UserThread.runAfterRandomDelay(() -> requestDataFromPeers(seedNodeAddresses),
                     10, 20, TimeUnit.SECONDS);
     }
 
-    private void requestDataWithPersistedPeers(@Nullable NodeAddress failedPeer) {
+    private void requestDataFromPersistedPeersAfterDelay(@Nullable NodeAddress failedPeer) {
         Log.traceCall("failedPeer=" + failedPeer);
 
-        stopRequestDataWithPersistedPeersTimer();
+        stopRequestDataFromPersistedPeersTimer();
 
         if (persistedPeers.isEmpty()) {
             persistedPeers.addAll(peerManager.getPersistedPeers());
@@ -203,117 +262,45 @@ public class RequestDataManager implements MessageListener, AuthenticationListen
             if (!persistedPeerNodeAddresses.isEmpty()) {
                 log.info("We try to use persisted peers for requestData.");
                 persistedPeersAvailable = true;
-                requestData(persistedPeerNodeAddresses);
+                requestDataFromPeers(persistedPeerNodeAddresses);
             }
         }
 
         if (!persistedPeersAvailable) {
             log.warn("No seed nodes and no persisted peers are available for requesting data.\n" +
                     "We will try again after a random pause.");
-            doNotifyNoSeedNodeAvailableListener = false;
+            noSeedNodeAvailableListenerNotified = true;
             listener.onNoPeersAvailable();
 
             // reset remainingPersistedPeers
             remainingPersistedPeers.clear();
             remainingPersistedPeers.addAll(persistedPeers);
 
-            if (!remainingPersistedPeers.isEmpty() && requestDataWithPersistedPeersTimer == null)
-                requestDataWithPersistedPeersTimer = UserThread.runAfterRandomDelay(() ->
-                                requestDataWithPersistedPeers(null),
+            if (!remainingPersistedPeers.isEmpty() && requestDataFromPersistedPeersTimer == null)
+                requestDataFromPersistedPeersTimer = UserThread.runAfterRandomDelay(() ->
+                                requestDataFromPersistedPeersAfterDelay(null),
                         30, 40, TimeUnit.SECONDS);
         }
     }
 
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // MessageListener implementation
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void onMessage(Message message, Connection connection) {
-        if (message instanceof DataRequest) {
-            // We are a seed node and receive that msg from a new node
-            Log.traceCall(message.toString());
-            networkNode.sendMessage(connection, new DataResponse(new HashSet<>(dataStorage.getMap().values())));
-        } else if (message instanceof DataResponse) {
-            // We are the new node which has requested the data
-            Log.traceCall(message.toString());
-            DataResponse dataResponse = (DataResponse) message;
-            HashSet<ProtectedData> set = dataResponse.set;
-            // we keep that connection open as the bootstrapping peer will use that for the authentication
-            // as we are not authenticated yet the data adding will not be broadcasted 
-            connection.getPeerAddressOptional().ifPresent(peerAddress -> set.stream().forEach(e -> dataStorage.add(e, peerAddress)));
-            optionalConnectedSeedNodeAddress.ifPresent(connectedSeedNodeAddress -> listener.onDataReceived(connectedSeedNodeAddress));
+    private void stopRequestDataFromSeedNodesTimer() {
+        if (requestDataFromSeedNodesTimer != null) {
+            requestDataFromSeedNodesTimer.cancel();
+            requestDataFromSeedNodesTimer = null;
         }
     }
 
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // AuthenticationListener implementation
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void onPeerAuthenticated(NodeAddress peerNodeAddress, Connection connection) {
-        optionalConnectedSeedNodeAddress.ifPresent(connectedSeedNodeAddress -> {
-            // We only request the data again if we have initiated the authentication (ConnectionPriority.ACTIVE)
-            // We delay a bit to be sure that the authentication state is applied to all listeners
-            if (connectedSeedNodeAddress.equals(peerNodeAddress) && connection.getConnectionPriority() == ConnectionPriority.ACTIVE) {
-                // We are the node (can be a seed node as well) which requested the authentication
-                if (requestDataFromAuthenticatedSeedNodeTimer == null)
-                    requestDataFromAuthenticatedSeedNodeTimer = UserThread.runAfter(()
-                            -> requestDataFromAuthenticatedSeedNode(peerNodeAddress, connection), 100, TimeUnit.MILLISECONDS);
-            }
-        });
-    }
-
-    // 5. Step after authentication to first seed node we request again the data
-    protected void requestDataFromAuthenticatedSeedNode(NodeAddress peerNodeAddress, Connection connection) {
-        Log.traceCall(peerNodeAddress.toString());
-
-        stopRequestDataFromAuthenticatedSeedNodeTimer();
-
-        // We have to request the data again as we might have missed pushed data in the meantime
-        SettableFuture<Connection> future = networkNode.sendMessage(connection, new DataRequest());
-        Futures.addCallback(future, new FutureCallback<Connection>() {
-            @Override
-            public void onSuccess(@Nullable Connection connection) {
-                log.info("requestDataFromAuthenticatedSeedNode from " + peerNodeAddress + " succeeded.");
-            }
-
-            @Override
-            public void onFailure(@NotNull Throwable throwable) {
-                log.warn("requestDataFromAuthenticatedSeedNode from " + peerNodeAddress + " failed. " +
-                        "Exception:" + throwable.getMessage()
-                        + "\nWe will try again to request data from any of our seed nodes.");
-
-                // We will try again to request data from any of our seed nodes. 
-                if (seedNodeNodeAddresses != null && !seedNodeNodeAddresses.isEmpty())
-                    requestData(seedNodeNodeAddresses);
-                else
-                    log.error("seedNodeAddresses is null or empty. That must not happen. seedNodeAddresses="
-                            + seedNodeNodeAddresses);
-            }
-        });
-    }
-
-    private void stopRequestDataTimer() {
-        if (requestDataTimer != null) {
-            requestDataTimer.cancel();
-            requestDataTimer = null;
+    private void stopRequestDataFromPersistedPeersTimer() {
+        if (requestDataFromPersistedPeersTimer != null) {
+            requestDataFromPersistedPeersTimer.cancel();
+            requestDataFromPersistedPeersTimer = null;
         }
     }
 
-    private void stopRequestDataWithPersistedPeersTimer() {
-        if (requestDataWithPersistedPeersTimer != null) {
-            requestDataWithPersistedPeersTimer.cancel();
-            requestDataWithPersistedPeersTimer = null;
-        }
-    }
-
-    private void stopRequestDataFromAuthenticatedSeedNodeTimer() {
-        if (requestDataFromAuthenticatedSeedNodeTimer != null) {
-            requestDataFromAuthenticatedSeedNodeTimer.cancel();
-            requestDataFromAuthenticatedSeedNodeTimer = null;
+    private void stopDataRequestTimeoutTimer() {
+        if (dataRequestTimeoutTimer != null) {
+            dataRequestTimeoutTimer.cancel();
+            dataRequestTimeoutTimer = null;
         }
     }
 }

network/src/main/java/io/bitsquare/p2p/peers/SeedNodePeerManager.java

@@ -1,86 +0,0 @@
-package io.bitsquare.p2p.peers;
-
-import io.bitsquare.app.Log;
-import io.bitsquare.common.UserThread;
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.network.NetworkNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.File;
-import java.util.concurrent.TimeUnit;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
-public class SeedNodePeerManager extends PeerManager {
-    private static final Logger log = LoggerFactory.getLogger(SeedNodePeerManager.class);
-
-
-    public SeedNodePeerManager(NetworkNode networkNode) {
-        super(networkNode, null);
-    }
-
-    public void authenticateToSeedNode() {
-        Log.traceCall();
-        checkArgument(seedNodeAddressesOptional.isPresent(),
-                "seedNodeAddresses must be set before calling authenticateToSeedNode");
-        checkArgument(!seedNodeAddressesOptional.get().isEmpty(),
-                "seedNodeAddresses must not be empty");
-        remainingSeedNodes.addAll(seedNodeAddressesOptional.get());
-        NodeAddress peerNodeAddress = getAndRemoveRandomAddress(remainingSeedNodes);
-        authenticateToFirstSeedNode(peerNodeAddress);
-
-        startCheckSeedNodeConnectionTask();
-    }
-
-    @Override
-    protected void createDbStorage(File storageDir) {
-        // Do nothing. 
-        // The seed node does not store persisted peers in the local db 
-    }
-
-    @Override
-    protected void initPersistedPeers() {
-        // Do nothing. 
-        // The seed node does not store persisted peers in the local db 
-    }
-
-    @Override
-    protected void onFirstSeedNodeAuthenticated() {
-        // If we are seed node we want to first connect to all other seed nodes before connecting to the reported peers.
-        authenticateToRemainingSeedNode();
-    }
-
-    @Override
-    protected void onRemainingSeedNodeAuthenticated() {
-        // If we are seed node we want to first connect to all other seed nodes before connecting to the reported peers.
-        authenticateToRemainingSeedNode();
-    }
-
-    @Override
-    protected void handleNoSeedNodesAvailableCase() {
-        Log.traceCall();
-        log.info("We don't have more seed nodes available. " +
-                "We authenticate to reported peers and try again after a random pause with the seed nodes which failed or if " +
-                "none available with the reported peers.");
-
-        boolean reportedPeersAvailableCalled = false;
-        if (reportedPeersAvailable()) {
-            authenticateToRemainingReportedPeer();
-            reportedPeersAvailableCalled = true;
-        }
-
-        resetRemainingSeedNodes();
-        if (!remainingSeedNodes.isEmpty()) {
-            if (authenticateToRemainingSeedNodeTimer == null)
-                authenticateToRemainingSeedNodeTimer = UserThread.runAfterRandomDelay(() -> authenticateToRemainingSeedNode(),
-                        10, 20, TimeUnit.SECONDS);
-        } else if (!reportedPeersAvailableCalled) {
-            if (authenticateToRemainingReportedPeerTimer == null)
-                authenticateToRemainingReportedPeerTimer = UserThread.runAfterRandomDelay(() -> authenticateToRemainingReportedPeer(),
-                        10, 20, TimeUnit.SECONDS);
-        }
-    }
-
-
-}

network/src/main/java/io/bitsquare/p2p/peers/SeedNodeRequestDataManager.java

@@ -1,30 +0,0 @@
-package io.bitsquare.p2p.peers;
-
-import io.bitsquare.common.UserThread;
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.network.Connection;
-import io.bitsquare.p2p.network.NetworkNode;
-import io.bitsquare.p2p.storage.P2PDataStorage;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.concurrent.TimeUnit;
-
-public class SeedNodeRequestDataManager extends RequestDataManager {
-    private static final Logger log = LoggerFactory.getLogger(SeedNodeRequestDataManager.class);
-
-    public SeedNodeRequestDataManager(NetworkNode networkNode, P2PDataStorage dataStorage, PeerManager peerManager) {
-        super(networkNode, dataStorage, peerManager);
-    }
-
-    @Override
-    public void onPeerAuthenticated(NodeAddress peerNodeAddress, Connection connection) {
-        //TODO not clear which use case is handles here...
-        if (dataStorage.getMap().isEmpty()) {
-            if (requestDataFromAuthenticatedSeedNodeTimer == null)
-                requestDataFromAuthenticatedSeedNodeTimer = UserThread.runAfterRandomDelay(()
-                        -> requestDataFromAuthenticatedSeedNode(peerNodeAddress, connection), 2, 5, TimeUnit.SECONDS);
-        }
-        super.onPeerAuthenticated(peerNodeAddress, connection);
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/auth/AuthenticationChallenge.java

@@ -1,32 +0,0 @@
-package io.bitsquare.p2p.peers.messages.auth;
-
-import io.bitsquare.app.Version;
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.peers.ReportedPeer;
-
-import java.util.HashSet;
-
-public final class AuthenticationChallenge extends AuthenticationMessage {
-    // That object is sent over the wire, so we need to take care of version compatibility.
-    private static final long serialVersionUID = Version.NETWORK_PROTOCOL_VERSION;
-
-    public final long requesterNonce;
-    public final long responderNonce;
-    public final HashSet<ReportedPeer> reportedPeers;
-
-    public AuthenticationChallenge(NodeAddress senderNodeAddress, long requesterNonce, long responderNonce, HashSet<ReportedPeer> reportedPeers) {
-        super(senderNodeAddress);
-        this.requesterNonce = requesterNonce;
-        this.responderNonce = responderNonce;
-        this.reportedPeers = reportedPeers;
-    }
-
-    @Override
-    public String toString() {
-        return "AuthenticationChallenge{" +
-                ", requesterNonce=" + requesterNonce +
-                ", responderNonce=" + responderNonce +
-                ", reportedPeers=" + reportedPeers +
-                super.toString() + "} ";
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/auth/AuthenticationFinalResponse.java

@@ -1,30 +0,0 @@
-package io.bitsquare.p2p.peers.messages.auth;
-
-import io.bitsquare.app.Version;
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.peers.ReportedPeer;
-
-import java.util.HashSet;
-
-public final class AuthenticationFinalResponse extends AuthenticationMessage {
-    // That object is sent over the wire, so we need to take care of version compatibility.
-    private static final long serialVersionUID = Version.NETWORK_PROTOCOL_VERSION;
-
-    public final long responderNonce;
-    public final HashSet<ReportedPeer> reportedPeers;
-
-    public AuthenticationFinalResponse(NodeAddress senderNodeAddress, long responderNonce, HashSet<ReportedPeer> reportedPeers) {
-        super(senderNodeAddress);
-        this.responderNonce = responderNonce;
-        this.reportedPeers = reportedPeers;
-    }
-
-    @Override
-    public String toString() {
-        return "AuthenticationResponse{" +
-                "address=" + senderNodeAddress +
-                ", responderNonce=" + responderNonce +
-                ", reportedPeers=" + reportedPeers +
-                super.toString() + "} ";
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/auth/AuthenticationMessage.java

@@ -1,27 +0,0 @@
-package io.bitsquare.p2p.peers.messages.auth;
-
-import io.bitsquare.app.Version;
-import io.bitsquare.p2p.Message;
-import io.bitsquare.p2p.NodeAddress;
-
-public abstract class AuthenticationMessage implements Message {
-    private final int networkId = Version.getNetworkId();
-
-    public final NodeAddress senderNodeAddress;
-
-    public AuthenticationMessage(NodeAddress senderNodeAddress) {
-        this.senderNodeAddress = senderNodeAddress;
-    }
-
-    @Override
-    public int networkId() {
-        return networkId;
-    }
-
-    @Override
-    public String toString() {
-        return ", address=" + (senderNodeAddress != null ? senderNodeAddress.toString() : "") +
-                ", networkId=" + networkId +
-                '}';
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/auth/AuthenticationRejection.java

@@ -1,19 +0,0 @@
-package io.bitsquare.p2p.peers.messages.auth;
-
-import io.bitsquare.app.Version;
-import io.bitsquare.p2p.NodeAddress;
-
-public final class AuthenticationRejection extends AuthenticationMessage {
-    // That object is sent over the wire, so we need to take care of version compatibility.
-    private static final long serialVersionUID = Version.NETWORK_PROTOCOL_VERSION;
-
-    public AuthenticationRejection(NodeAddress senderNodeAddress) {
-        super(senderNodeAddress);
-    }
-
-    @Override
-    public String toString() {
-        return "AuthenticationReject{" +
-                super.toString() + "} ";
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/auth/AuthenticationRequest.java

@@ -1,24 +0,0 @@
-package io.bitsquare.p2p.peers.messages.auth;
-
-import io.bitsquare.app.Version;
-import io.bitsquare.p2p.NodeAddress;
-
-public final class AuthenticationRequest extends AuthenticationMessage {
-    // That object is sent over the wire, so we need to take care of version compatibility.
-    private static final long serialVersionUID = Version.NETWORK_PROTOCOL_VERSION;
-
-    public final long requesterNonce;
-
-    public AuthenticationRequest(NodeAddress senderNodeAddress, long requesterNonce) {
-        super(senderNodeAddress);
-        this.requesterNonce = requesterNonce;
-    }
-
-    @Override
-    public String toString() {
-        return "AuthenticationRequest{" +
-                "senderAddress=" + senderNodeAddress +
-                ", requesterNonce=" + requesterNonce +
-                super.toString() + "} ";
-    }
-}

network/src/main/java/io/bitsquare/p2p/peers/messages/data/DataRequest.java

@@ -2,14 +2,20 @@ package io.bitsquare.p2p.peers.messages.data;
 
 import io.bitsquare.app.Version;
 import io.bitsquare.p2p.Message;
+import io.bitsquare.p2p.NodeAddress;
+
+import javax.annotation.Nullable;
 
 public final class DataRequest implements Message {
     // That object is sent over the wire, so we need to take care of version compatibility.
     private static final long serialVersionUID = Version.NETWORK_PROTOCOL_VERSION;
 
     private final int networkId = Version.getNetworkId();
+    @Nullable
+    public final NodeAddress senderNodeAddress;
 
-    public DataRequest() {
+    public DataRequest(@Nullable NodeAddress senderNodeAddress) {
+        this.senderNodeAddress = senderNodeAddress;
     }
 
     @Override
@@ -20,7 +26,8 @@ public final class DataRequest implements Message {
     @Override
     public String toString() {
         return "GetDataRequest{" +
-                "networkId=" + networkId +
+                "senderNodeAddress=" + senderNodeAddress +
+                ", networkId=" + networkId +
                 '}';
     }
 }

network/src/main/java/io/bitsquare/p2p/seed/SeedNode.java

@@ -7,7 +7,6 @@ import io.bitsquare.common.UserThread;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.P2PService;
 import io.bitsquare.p2p.P2PServiceListener;
-import io.bitsquare.p2p.SeedNodeP2PService;
 import io.bitsquare.p2p.peers.PeerManager;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
@@ -26,10 +25,10 @@ import static com.google.common.base.Preconditions.checkArgument;
 public class SeedNode {
     private static final Logger log = LoggerFactory.getLogger(SeedNode.class);
 
-    private NodeAddress mySeedNodeNodeAddress = new NodeAddress("localhost:8001");
+    private NodeAddress mySeedNodeAddress = new NodeAddress("localhost:8001");
     private boolean useLocalhost = false;
     private Set<NodeAddress> progArgSeedNodes;
-    private SeedNodeP2PService seedNodeP2PService;
+    private P2PService seedNodeP2PService;
     private boolean stopped;
     private final String defaultUserDataDir;
 
@@ -54,7 +53,7 @@ public class SeedNode {
             if (args.length > 0) {
                 String arg0 = args[0];
                 checkArgument(arg0.contains(":") && arg0.split(":").length == 2 && arg0.split(":")[1].length() > 3, "Wrong program argument: " + arg0);
-                mySeedNodeNodeAddress = new NodeAddress(arg0);
+                mySeedNodeAddress = new NodeAddress(arg0);
                 if (args.length > 1) {
                     String arg1 = args[1];
                     int networkId = Integer.parseInt(arg1);
@@ -65,10 +64,10 @@ public class SeedNode {
                         String arg2 = args[2];
                         int maxConnections = Integer.parseInt(arg2);
                         checkArgument(maxConnections < 1000, "maxConnections seems to be a bit too high...");
-                        PeerManager.setMaxConnectionsLowPriority(maxConnections);
+                        PeerManager.setMaxConnections(maxConnections);
                     } else {
                         // we keep default a higher connection size for seed nodes
-                        PeerManager.setMaxConnectionsLowPriority(50);
+                        PeerManager.setMaxConnections(50);
                     }
                     if (args.length > 3) {
                         String arg3 = args[3];
@@ -86,7 +85,7 @@ public class SeedNode {
                                     "Wrong program argument");
                             progArgSeedNodes.add(new NodeAddress(e));
                         });
-                        progArgSeedNodes.remove(mySeedNodeNodeAddress);
+                        progArgSeedNodes.remove(mySeedNodeAddress);
                     } else if (args.length > 5) {
                         log.error("Too many program arguments." +
                                 "\nProgram arguments: myAddress (incl. port) bitcoinNetworkId " +
@@ -100,11 +99,11 @@ public class SeedNode {
     }
 
     public void createAndStartP2PService(boolean useDetailedLogging) {
-        createAndStartP2PService(mySeedNodeNodeAddress, useLocalhost, Version.getNetworkId(), useDetailedLogging, progArgSeedNodes, null);
+        createAndStartP2PService(mySeedNodeAddress, useLocalhost, Version.getNetworkId(), useDetailedLogging, progArgSeedNodes, null);
     }
 
     @VisibleForTesting
-    public void createAndStartP2PService(NodeAddress mySeedNodeNodeAddress,
+    public void createAndStartP2PService(NodeAddress mySeedNodeAddress,
                                          boolean useLocalhost,
                                          int networkId,
                                          boolean useDetailedLogging,
@@ -113,7 +112,7 @@ public class SeedNode {
         Log.traceCall();
 
         Path appPath = Paths.get(defaultUserDataDir,
-                "Bitsquare_seed_node_" + String.valueOf(mySeedNodeNodeAddress.getFullAddress().replace(":", "_")));
+                "Bitsquare_seed_node_" + String.valueOf(mySeedNodeAddress.getFullAddress().replace(":", "_")));
 
         String logPath = Paths.get(appPath.toString(), "logs").toString();
         Log.setup(logPath, useDetailedLogging);
@@ -122,9 +121,9 @@ public class SeedNode {
         SeedNodesRepository seedNodesRepository = new SeedNodesRepository();
         if (progArgSeedNodes != null && !progArgSeedNodes.isEmpty()) {
             if (useLocalhost)
-                seedNodesRepository.setLocalhostSeedNodeNodeAddresses(progArgSeedNodes);
+                seedNodesRepository.setLocalhostSeedNodeAddresses(progArgSeedNodes);
             else
-                seedNodesRepository.setTorSeedNodeNodeAddresses(progArgSeedNodes);
+                seedNodesRepository.setTorSeedNodeAddresses(progArgSeedNodes);
         }
 
         File storageDir = Paths.get(appPath.toString(), "db").toFile();
@@ -135,7 +134,8 @@ public class SeedNode {
         if (torDir.mkdirs())
             log.info("Created torDir at " + torDir.getAbsolutePath());
 
-        seedNodeP2PService = new SeedNodeP2PService(seedNodesRepository, mySeedNodeNodeAddress, torDir, useLocalhost, networkId, storageDir);
+        seedNodesRepository.setNodeAddressToExclude(mySeedNodeAddress);
+        seedNodeP2PService = new P2PService(seedNodesRepository, mySeedNodeAddress.port, torDir, useLocalhost, networkId, storageDir, null, null);
         seedNodeP2PService.start(listener);
     }
 

network/src/main/java/io/bitsquare/p2p/seed/SeedNodesRepository.java

@@ -14,7 +14,7 @@ public class SeedNodesRepository {
     // mainnet use port 8000
     // testnet use port 8001
     // regtest use port 8002
-    private Set<NodeAddress> torSeedNodeNodeAddresses = Sets.newHashSet(
+    private Set<NodeAddress> torSeedNodeAddresses = Sets.newHashSet(
             // mainnet
             new NodeAddress("lih5zsr2bvxi24pk.onion:8000"),
             new NodeAddress("s5xpstlooosehtxm.onion:8000"),
@@ -32,7 +32,7 @@ public class SeedNodesRepository {
     );
 
 
-    private Set<NodeAddress> localhostSeedNodeNodeAddresses = Sets.newHashSet(
+    private Set<NodeAddress> localhostSeedNodeAddresses = Sets.newHashSet(
             // mainnet
             new NodeAddress("localhost:2000"),
             new NodeAddress("localhost:3000"),
@@ -48,21 +48,28 @@ public class SeedNodesRepository {
             new NodeAddress("localhost:3002"),
             new NodeAddress("localhost:4002")
     );
+    private NodeAddress nodeAddressToExclude;
 
     public Set<NodeAddress> getSeedNodeAddresses(boolean useLocalhost, int networkId) {
         String networkIdAsString = String.valueOf(networkId);
-        Set<NodeAddress> nodeAddresses = useLocalhost ? localhostSeedNodeNodeAddresses : torSeedNodeNodeAddresses;
+        Set<NodeAddress> nodeAddresses = useLocalhost ? localhostSeedNodeAddresses : torSeedNodeAddresses;
         Set<NodeAddress> filtered = nodeAddresses.stream()
-                .filter(e -> String.valueOf(e.port).endsWith(networkIdAsString)).collect(Collectors.toSet());
+                .filter(e -> String.valueOf(e.port).endsWith(networkIdAsString))
+                .filter(e -> !e.equals(nodeAddressToExclude))
+                .collect(Collectors.toSet());
         log.info("SeedNodeAddresses (useLocalhost={}) for networkId {}:\nnetworkId={}", useLocalhost, networkId, filtered);
         return filtered;
     }
 
-    public void setTorSeedNodeNodeAddresses(Set<NodeAddress> torSeedNodeNodeAddresses) {
-        this.torSeedNodeNodeAddresses = torSeedNodeNodeAddresses;
+    public void setTorSeedNodeAddresses(Set<NodeAddress> torSeedNodeAddresses) {
+        this.torSeedNodeAddresses = torSeedNodeAddresses;
     }
 
-    public void setLocalhostSeedNodeNodeAddresses(Set<NodeAddress> localhostSeedNodeNodeAddresses) {
-        this.localhostSeedNodeNodeAddresses = localhostSeedNodeNodeAddresses;
+    public void setLocalhostSeedNodeAddresses(Set<NodeAddress> localhostSeedNodeAddresses) {
+        this.localhostSeedNodeAddresses = localhostSeedNodeAddresses;
+    }
+
+    public void setNodeAddressToExclude(NodeAddress nodeAddress) {
+        this.nodeAddressToExclude = nodeAddress;
     }
 }

network/src/main/java/io/bitsquare/p2p/storage/P2PDataStorage.java

@@ -12,10 +12,9 @@ import io.bitsquare.common.util.Utilities;
 import io.bitsquare.p2p.Message;
 import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.network.Connection;
-import io.bitsquare.p2p.network.IllegalRequest;
 import io.bitsquare.p2p.network.MessageListener;
 import io.bitsquare.p2p.network.NetworkNode;
-import io.bitsquare.p2p.peers.PeerManager;
+import io.bitsquare.p2p.peers.Broadcaster;
 import io.bitsquare.p2p.storage.data.*;
 import io.bitsquare.p2p.storage.messages.AddDataMessage;
 import io.bitsquare.p2p.storage.messages.DataBroadcastMessage;
@@ -41,7 +40,7 @@ public class P2PDataStorage implements MessageListener {
     @VisibleForTesting
     public static int CHECK_TTL_INTERVAL = new Random().nextInt(1000) + 10 * 60 * 1000; // 10-11 min.
 
-    private final PeerManager peerManager;
+    private final Broadcaster broadcaster;
     private final Map<ByteArray, ProtectedData> map = new HashMap<>();
     private final CopyOnWriteArraySet<HashMapChangedListener> hashMapChangedListeners = new CopyOnWriteArraySet<>();
     private HashMap<ByteArray, Integer> sequenceNumberMap = new HashMap<>();
@@ -52,9 +51,9 @@ public class P2PDataStorage implements MessageListener {
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public P2PDataStorage(PeerManager peerManager, NetworkNode networkNode, File storageDir) {
+    public P2PDataStorage(Broadcaster broadcaster, NetworkNode networkNode, File storageDir) {
         Log.traceCall();
-        this.peerManager = peerManager;
+        this.broadcaster = broadcaster;
 
         networkNode.addMessageListener(this);
 
@@ -70,8 +69,7 @@ public class P2PDataStorage implements MessageListener {
         if (persisted != null)
             sequenceNumberMap = persisted;
 
-        removeExpiredEntriesExecutor.scheduleAtFixedRate(() -> UserThread.execute(()
-                -> removeExpiredEntries()), CHECK_TTL_INTERVAL, CHECK_TTL_INTERVAL, TimeUnit.SECONDS);
+        removeExpiredEntriesExecutor.scheduleAtFixedRate(() -> UserThread.execute(this::removeExpiredEntries), CHECK_TTL_INTERVAL, CHECK_TTL_INTERVAL, TimeUnit.SECONDS);
     }
 
     private void removeExpiredEntries() {
@@ -105,22 +103,16 @@ public class P2PDataStorage implements MessageListener {
     public void onMessage(Message message, Connection connection) {
         if (message instanceof DataBroadcastMessage) {
             Log.traceCall(message.toString());
-            if (connection.isAuthenticated()) {
-                log.trace("ProtectedExpirableDataMessage received " + message + " on connection " + connection);
-                connection.getPeerAddressOptional().ifPresent(peerAddress -> {
-                    if (message instanceof AddDataMessage) {
-                        add(((AddDataMessage) message).data, peerAddress);
-                    } else if (message instanceof RemoveDataMessage) {
-                        remove(((RemoveDataMessage) message).data, peerAddress);
-                    } else if (message instanceof RemoveMailboxDataMessage) {
-                        removeMailboxData(((RemoveMailboxDataMessage) message).data, peerAddress);
-                    }
-                });
-            } else {
-                log.warn("Connection is not authenticated yet. " +
-                        "We don't accept storage operations from non-authenticated nodes. connection=", connection);
-                connection.reportIllegalRequest(IllegalRequest.NotAuthenticated);
-            }
+            log.trace("DataBroadcastMessage received " + message + " on connection " + connection);
+            connection.getPeersNodeAddressOptional().ifPresent(peersNodeAddress -> {
+                if (message instanceof AddDataMessage) {
+                    add(((AddDataMessage) message).data, peersNodeAddress);
+                } else if (message instanceof RemoveDataMessage) {
+                    remove(((RemoveDataMessage) message).data, peersNodeAddress);
+                } else if (message instanceof RemoveMailboxDataMessage) {
+                    removeMailboxData(((RemoveMailboxDataMessage) message).data, peersNodeAddress);
+                }
+            });
         }
     }
 
@@ -370,7 +362,7 @@ public class P2PDataStorage implements MessageListener {
 
     private void broadcast(DataBroadcastMessage message, @Nullable NodeAddress sender) {
         Log.traceCall(message.toString());
-        peerManager.broadcast(message, sender);
+        broadcaster.broadcast(message, sender);
     }
 
     private ByteArray getHashAsByteArray(ExpirablePayload payload) {

network/src/main/java/io/bitsquare/p2p/storage/data/DataAndSeqNr.java

@@ -18,6 +18,7 @@ public class DataAndSeqNr implements Serializable {
 
         DataAndSeqNr that = (DataAndSeqNr) o;
 
+        //noinspection SimplifiableIfStatement
         if (sequenceNumber != that.sequenceNumber) return false;
         return !(data != null ? !data.equals(that.data) : that.data != null);
 

network/src/test/java/io/bitsquare/p2p/P2PServiceTest.java

@@ -32,6 +32,8 @@ import java.util.concurrent.CountDownLatch;
 
 // need to define seed node addresses first before using tor version
 // Ignored for automated tests
+
+//TODO P2P network tests are outdated
 @Ignore
 public class P2PServiceTest {
     private static final Logger log = LoggerFactory.getLogger(P2PServiceTest.class);
@@ -60,7 +62,7 @@ public class P2PServiceTest {
 
         LocalhostNetworkNode.setSimulateTorDelayTorNode(10);
         LocalhostNetworkNode.setSimulateTorDelayHiddenService(100);
-        PeerManager.setMaxConnectionsLowPriority(8);
+        PeerManager.setMaxConnections(8);
 
         keyRing1 = new KeyRing(new KeyStorage(dir1));
         keyRing2 = new KeyRing(new KeyStorage(dir2));

network/src/test/java/io/bitsquare/p2p/TestUtils.java

@@ -95,7 +95,7 @@ public class TestUtils {
                     }
 
                     @Override
-                    public void onFirstPeerAuthenticated() {
+                    public void onBootstrapped() {
                     }
 
                     @Override
@@ -123,9 +123,9 @@ public class TestUtils {
         SeedNodesRepository seedNodesRepository = new SeedNodesRepository();
         if (seedNodes != null && !seedNodes.isEmpty()) {
             if (useLocalhost)
-                seedNodesRepository.setLocalhostSeedNodeNodeAddresses(seedNodes);
+                seedNodesRepository.setLocalhostSeedNodeAddresses(seedNodes);
             else
-                seedNodesRepository.setTorSeedNodeNodeAddresses(seedNodes);
+                seedNodesRepository.setTorSeedNodeAddresses(seedNodes);
         }
 
         P2PService p2PService = new P2PService(seedNodesRepository, port, new File("seed_node_" + port), useLocalhost,
@@ -148,7 +148,7 @@ public class TestUtils {
             }
 
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
                 latch.countDown();
             }
 

network/src/test/java/io/bitsquare/p2p/network/LocalhostNetworkNodeTest.java

@@ -1,7 +1,5 @@
 package io.bitsquare.p2p.network;
 
-import io.bitsquare.p2p.NodeAddress;
-import io.bitsquare.p2p.peers.messages.auth.AuthenticationRequest;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.junit.Before;
 import org.junit.Ignore;
@@ -16,6 +14,8 @@ import java.util.concurrent.CountDownLatch;
 // TorNode created. Took 6 sec.
 // Hidden service created. Took 40-50 sec.
 // Connection establishment takes about 4 sec.
+
+//TODO P2P network tests are outdated
 @Ignore
 public class LocalhostNetworkNodeTest {
     private static final Logger log = LoggerFactory.getLogger(LocalhostNetworkNodeTest.class);
@@ -77,8 +77,6 @@ public class LocalhostNetworkNodeTest {
         });
         startupLatch.await();
 
-        node2.sendMessage(new NodeAddress("localhost", 9001), new AuthenticationRequest(new NodeAddress("localhost", 9002), 1));
-        node1.sendMessage(new NodeAddress("localhost", 9002), new AuthenticationRequest(new NodeAddress("localhost", 9001), 1));
         msgLatch.await();
 
         CountDownLatch shutDownLatch = new CountDownLatch(2);

network/src/test/java/io/bitsquare/p2p/network/TorNetworkNodeTest.java

@@ -20,6 +20,7 @@ import java.util.concurrent.CountDownLatch;
 // TorNode created. Took 6 sec.
 // Hidden service created. Took 40-50 sec.
 // Connection establishment takes about 4 sec.
+//TODO P2P network tests are outdated
 @Ignore
 public class TorNetworkNodeTest {
     private static final Logger log = LoggerFactory.getLogger(TorNetworkNodeTest.class);

network/src/test/java/io/bitsquare/p2p/routing/PeerManagerTest.java

@@ -6,7 +6,10 @@ import io.bitsquare.p2p.P2PServiceListener;
 import io.bitsquare.p2p.network.LocalhostNetworkNode;
 import io.bitsquare.p2p.peers.PeerManager;
 import io.bitsquare.p2p.seed.SeedNode;
-import org.junit.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -19,6 +22,7 @@ import java.util.concurrent.CountDownLatch;
 // Connection establishment takes about 4 sec.
 
 // need to define seed node addresses first before using tor version
+//TODO P2P network tests are outdated
 @Ignore
 public class PeerManagerTest {
     private static final Logger log = LoggerFactory.getLogger(PeerManagerTest.class);
@@ -33,7 +37,7 @@ public class PeerManagerTest {
     public void setup() throws InterruptedException {
         LocalhostNetworkNode.setSimulateTorDelayTorNode(50);
         LocalhostNetworkNode.setSimulateTorDelayHiddenService(8);
-        PeerManager.setMaxConnectionsLowPriority(100);
+        PeerManager.setMaxConnections(100);
 
         seedNodes = new HashSet<>();
         if (useLocalhost) {
@@ -100,7 +104,7 @@ public class PeerManagerTest {
                     }
 
                     @Override
-                    public void onFirstPeerAuthenticated() {
+                    public void onBootstrapped() {
                     }
 
                     @Override
@@ -116,7 +120,7 @@ public class PeerManagerTest {
         P2PService p2PService1 = seedNode1.getSeedNodeP2PService();
         latch.await();
         Thread.sleep(500);
-        Assert.assertEquals(0, p2PService1.getPeerManager().getAuthenticatedAndReportedPeers().size());
+        //Assert.assertEquals(0, p2PService1.getPeerManager().getAuthenticatedAndReportedPeers().size());
     }
 
     @Test
@@ -151,7 +155,7 @@ public class PeerManagerTest {
             }
 
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
                 latch.countDown();
             }
 
@@ -189,7 +193,7 @@ public class PeerManagerTest {
             }
 
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
                 latch.countDown();
             }
 
@@ -205,8 +209,8 @@ public class PeerManagerTest {
         });
         P2PService p2PService2 = seedNode2.getSeedNodeP2PService();
         latch.await();
-        Assert.assertEquals(1, p2PService1.getPeerManager().getAuthenticatedAndReportedPeers().size());
-        Assert.assertEquals(1, p2PService2.getPeerManager().getAuthenticatedAndReportedPeers().size());
+        // Assert.assertEquals(1, p2PService1.getPeerManager().getAuthenticatedAndReportedPeers().size());
+        // Assert.assertEquals(1, p2PService2.getPeerManager().getAuthenticatedAndReportedPeers().size());
     }
 
     // @Test
@@ -426,7 +430,7 @@ public class PeerManagerTest {
             }
 
             @Override
-            public void onFirstPeerAuthenticated() {
+            public void onBootstrapped() {
             }
 
             @Override

network/src/test/java/io/bitsquare/p2p/storage/ProtectedDataStorageTest.java

@@ -9,6 +9,7 @@ import io.bitsquare.p2p.NodeAddress;
 import io.bitsquare.p2p.TestUtils;
 import io.bitsquare.p2p.mocks.MockMessage;
 import io.bitsquare.p2p.network.NetworkNode;
+import io.bitsquare.p2p.peers.Broadcaster;
 import io.bitsquare.p2p.peers.PeerManager;
 import io.bitsquare.p2p.storage.data.DataAndSeqNr;
 import io.bitsquare.p2p.storage.data.ExpirableMailboxPayload;
@@ -30,6 +31,7 @@ import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Executors;
 
+//TODO P2P network tests are outdated
 @Ignore
 public class ProtectedDataStorageTest {
     private static final Logger log = LoggerFactory.getLogger(ProtectedDataStorageTest.class);
@@ -65,8 +67,11 @@ public class ProtectedDataStorageTest {
         storageSignatureKeyPair1 = keyRing1.getSignatureKeyPair();
         encryptionService1 = new EncryptionService(keyRing1);
         networkNode1 = TestUtils.getAndStartSeedNode(8001, useClearNet, seedNodes).getSeedNodeP2PService().getNetworkNode();
-        peerManager1 = new PeerManager(networkNode1, new File("dummy"));
-        dataStorage1 = new P2PDataStorage(peerManager1, networkNode1, new File("dummy"));
+        peerManager1 = new PeerManager(networkNode1, null, new File("dummy"));
+
+        //TODO
+        Broadcaster broadcaster = new Broadcaster(networkNode1);
+        dataStorage1 = new P2PDataStorage(broadcaster, networkNode1, new File("dummy"));
 
         // for mailbox
         keyRing2 = new KeyRing(new KeyStorage(dir2));
@@ -108,7 +113,10 @@ public class ProtectedDataStorageTest {
     public void testExpirableData() throws InterruptedException, NoSuchAlgorithmException, CertificateException, KeyStoreException, IOException, CryptoException, SignatureException, InvalidKeyException, NoSuchProviderException {
         P2PDataStorage.CHECK_TTL_INTERVAL = 10;
         // CHECK_TTL_INTERVAL is used in constructor of ProtectedExpirableDataStorage so we recreate it here
-        dataStorage1 = new P2PDataStorage(peerManager1, networkNode1, new File("dummy"));
+
+        //TODO
+        Broadcaster broadcaster = new Broadcaster(networkNode1);
+        dataStorage1 = new P2PDataStorage(broadcaster, networkNode1, new File("dummy"));
         mockData.ttl = 50;
 
         ProtectedData data = dataStorage1.getDataWithSignedSeqNr(mockData, storageSignatureKeyPair1);