integration of TomP2P for payment process (part 1), fund screen, setup redesign, orders screen

README.md

@@ -7,9 +7,7 @@ This is just a first very basic GUI prototype with mock data.
 There is only the trade process for Sell BTC and the role of the offer taker modelled yet.
 
 The project use Java 8 and Maven.
-
-We use bitcoinj library as a submodule. To get the project with the submodule included use:
-git clone --recursive git://github.com/bitsquare/bitsquare
+We use the bitcoinj library and TomP2P for DHT and messaging.
 
 ### Implemented (prototype level):
 * Screen for orderbook with filtering mock offers by amount, price and order type (buy, sell)
@@ -22,12 +20,12 @@ git clone --recursive git://github.com/bitsquare/bitsquare
 * Pay in to MS fund
 * Payout from MS fund
 * TomP2P as messaging lib integrated and basic use cases in msg screen implemented: orderbook, add order, remove order, find peer, chat with peer
+* Payment process until wait for bank transfer implemented with messaging
 
 ### Next steps:
-* Implement messaging with TomP2P for registration, orderbook and payment process
+* Payment process after wait for bank transfer implemented with messaging
 * Arbitrator integration
 * Other trade variants (Buy BTC taker, Sell BTC offerer, Sell BTC offerer)
-* Verify registration and fee payments tx and get them from the blockchain
 * ...
 
 

TODO.txt

@@ -2,11 +2,11 @@
 - settings
 
 low prio:
-- tx confirm. not working correct and reliable
-- add settings after setup
+- start with orderbook and open registration when user interacts with orderbook (take offer, create offer)
 - settings screen
 - return to setup when unregistered, change/add bank accounts from settings
-- BigInteger for all btc values
+- formatting
+- validation
 
 
 

libs/bitcoinj

@@ -1 +0,0 @@
-Subproject commit eda6dccf6dc015df613a19f1fc0b5c3c98546185

pom.xml

@@ -11,6 +11,7 @@
     <description>A P2P Fiat-Bitcoin Exchange</description>
     <url>https://www.bitsquare.io</url>
 
+    <!--
     <parent>
         <groupId>com.google</groupId>
         <artifactId>bitcoinj-parent</artifactId>
@@ -18,6 +19,8 @@
         <relativePath>libs/bitcoinj/pom.xml</relativePath>
     </parent>
 
+    -->
+
     <licenses>
         <license>
             <name>GNU AFFERO GENERAL PUBLIC LICENSE</name>
@@ -97,13 +100,18 @@
         </plugins>
     </build>
 
-
     <dependencies>
 
         <dependency>
             <groupId>com.google</groupId>
             <artifactId>bitcoinj</artifactId>
-            <version>0.12-SNAPSHOT</version>
+            <version>0.11.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>net.tomp2p</groupId>
+            <artifactId>TomP2P</artifactId>
+            <version>4.4</version>
         </dependency>
 
         <dependency>
@@ -112,20 +120,13 @@
             <version>4.11</version>
             <scope>test</scope>
         </dependency>
-        <!--
-<dependency>
-   <groupId>org.slf4j</groupId>
-   <artifactId>slf4j-jdk14</artifactId>
-   <version>1.7.7</version>
-</dependency>
--->
+
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
             <version>1.7.7</version>
         </dependency>
 
-
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
@@ -146,12 +147,6 @@
             <version>16.0.1</version>
         </dependency>
 
-        <dependency>
-            <groupId>com.aquafx-project</groupId>
-            <artifactId>aquafx</artifactId>
-            <version>0.1</version>
-        </dependency>
-
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
@@ -177,9 +172,9 @@
         </dependency>
 
         <dependency>
-            <groupId>net.tomp2p</groupId>
-            <artifactId>TomP2P</artifactId>
-            <version>4.4</version>
+            <groupId>com.madgag.spongycastle</groupId>
+            <artifactId>core</artifactId>
+            <version>1.50.0.0</version>
         </dependency>
 
     </dependencies>
@@ -187,11 +182,11 @@
     <reporting>
         <plugins>
             <!-- Generate cross-referenced HTML source code listing -->
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jxr-plugin</artifactId>
-                <version>2.1</version>
-            </plugin>
+            <!-- <plugin>
+                 <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-jxr-plugin</artifactId>
+                 <version>2.1</version>
+             </plugin>  -->
         </plugins>
     </reporting>
 

src/main/java/io/bitsquare/BitSquare.java

@@ -1,5 +1,6 @@
 package io.bitsquare;
 
+import com.google.bitcoin.core.ECKey;
 import com.google.bitcoin.core.Utils;
 import com.google.inject.Guice;
 import com.google.inject.Injector;
@@ -14,6 +15,7 @@ import io.bitsquare.settings.Settings;
 import io.bitsquare.storage.Storage;
 import io.bitsquare.user.Arbitrator;
 import io.bitsquare.user.User;
+import io.bitsquare.util.DSAKeyUtil;
 import io.bitsquare.util.MockData;
 import javafx.application.Application;
 import javafx.scene.Parent;
@@ -22,21 +24,23 @@ import javafx.stage.Stage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.PublicKey;
 import java.util.Locale;
-import java.util.UUID;
 
 public class BitSquare extends Application
 {
     private static final Logger log = LoggerFactory.getLogger(BitSquare.class);
+    public static String ID = "";
     private WalletFacade walletFacade;
     private MessageFacade messageFacade;
 
     public static void main(String[] args)
     {
+        log.debug("Startup: main");
         if (args.length > 0)
-            WalletFacade.WALLET_PREFIX = args[0];
-        else
-            WalletFacade.WALLET_PREFIX = "bitsquare";
+            ID = args[0];
 
         launch(args);
     }
@@ -44,9 +48,12 @@ public class BitSquare extends Application
     @Override
     public void start(Stage stage) throws Exception
     {
+        log.debug("Startup: start");
         final Injector injector = Guice.createInjector(new BitSquareModule());
         walletFacade = injector.getInstance(WalletFacade.class);
+
         messageFacade = injector.getInstance(MessageFacade.class);
+        log.debug("Startup: messageFacade, walletFacade inited");
 
         // apply stored data
         final User user = injector.getInstance(User.class);
@@ -59,7 +66,11 @@ public class BitSquare extends Application
 
         settings.updateFromStorage((Settings) storage.read(settings.getClass().getName()));
 
-        stage.setTitle("BitSquare (" + WalletFacade.WALLET_PREFIX + ")");
+        if (ID.length() > 0)
+            stage.setTitle("BitSquare (" + ID + ")");
+        else
+            stage.setTitle("BitSquare");
+
 
         GuiceFXMLLoader.setInjector(injector);
         final GuiceFXMLLoader loader = new GuiceFXMLLoader(getClass().getResource("/io/bitsquare/gui/MainView.fxml"), Localisation.getResourceBundle());
@@ -71,12 +82,13 @@ public class BitSquare extends Application
         final String global = getClass().getResource("/io/bitsquare/gui/global.css").toExternalForm();
         scene.getStylesheets().setAll(global);
 
-        stage.setMinWidth(740);
+        stage.setMinWidth(800);
         stage.setMinHeight(400);
         stage.setWidth(800);
         stage.setHeight(600);
 
         stage.show();
+        log.debug("Startup: stage displayed");
     }
 
     @Override
@@ -104,20 +116,22 @@ public class BitSquare extends Application
             //settings.addAcceptedCountryLocale(Locale.getDefault());
             settings.addAcceptedCountryLocale(MockData.getLocales().get(0));
             settings.addAcceptedCountryLocale(new Locale("en", "US"));
+            settings.addAcceptedCountryLocale(new Locale("de", "DE"));
             settings.addAcceptedCountryLocale(new Locale("es", "ES"));
 
-            settings.getAcceptedArbitrators().clear();
-            settings.addAcceptedArbitrator(new Arbitrator("uid_1", "Charlie Boom", UUID.randomUUID().toString(),
-                    UUID.randomUUID().toString(), "http://www.arbit.io/Charly_Boom", 0.1, 10, Utils.toNanoCoins("0.01")));
-            settings.addAcceptedArbitrator(new Arbitrator("uid_2", "Tom Shang", UUID.randomUUID().toString(),
-                    UUID.randomUUID().toString(), "http://www.arbit.io/Tom_Shang", 0, 1, Utils.toNanoCoins("0.001")));
-            settings.addAcceptedArbitrator(new Arbitrator("uid_3", "Edward Snow", UUID.randomUUID().toString(),
-                    UUID.randomUUID().toString(), "http://www.arbit.io/Edward_Swow", 0.2, 5, Utils.toNanoCoins("0.05")));
-            settings.addAcceptedArbitrator(new Arbitrator("uid_4", "Julian Sander", UUID.randomUUID().toString(),
-                    UUID.randomUUID().toString(), "http://www.arbit.io/Julian_Sander", 0, 20, Utils.toNanoCoins("0.1")));
 
-            settings.setMinCollateral(0.01);
-            settings.setMaxCollateral(0.1);
+            settings.getAcceptedArbitrators().clear();
+            settings.addAcceptedArbitrator(new Arbitrator("uid_1", "Charlie Boom", Utils.bytesToHexString(new ECKey().getPubKey()),
+                    getMessagePubKey(), "http://www.arbit.io/Charly_Boom", 1, 10, Utils.toNanoCoins("0.01")));
+            settings.addAcceptedArbitrator(new Arbitrator("uid_2", "Tom Shang", Utils.bytesToHexString(new ECKey().getPubKey()),
+                    getMessagePubKey(), "http://www.arbit.io/Tom_Shang", 0, 1, Utils.toNanoCoins("0.001")));
+            settings.addAcceptedArbitrator(new Arbitrator("uid_3", "Edward Snow", Utils.bytesToHexString(new ECKey().getPubKey()),
+                    getMessagePubKey(), "http://www.arbit.io/Edward_Swow", 2, 5, Utils.toNanoCoins("0.05")));
+            settings.addAcceptedArbitrator(new Arbitrator("uid_4", "Julian Sander", Utils.bytesToHexString(new ECKey().getPubKey()),
+                    getMessagePubKey(), "http://www.arbit.io/Julian_Sander", 0, 20, Utils.toNanoCoins("0.1")));
+
+            settings.setMinCollateral(1);
+            settings.setMaxCollateral(10);
 
             storage.write(settings.getClass().getName(), settings);
 
@@ -125,6 +139,22 @@ public class BitSquare extends Application
         }
     }
 
+    private String getMessagePubKey()
+    {
+        try
+        {
+            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
+            keyGen.initialize(1024);
+            KeyPair generatedKeyPair = keyGen.genKeyPair();
+            PublicKey pubKey = generatedKeyPair.getPublic();
+            return DSAKeyUtil.getHexStringFromPublicKey(pubKey);
+        } catch (Exception e2)
+        {
+            return null;
+        }
+    }
+
+
     private void initMockUser(Storage storage, User user)
     {
         user.getBankAccounts().clear();
@@ -149,7 +179,7 @@ public class BitSquare extends Application
         );
         user.addBankAccount(bankAccount2);
 
-        user.setAccountID(UUID.randomUUID().toString());
+        user.setAccountID(Utils.bytesToHexString(new ECKey().getPubKey()));
 
         storage.write(user.getClass().getName(), user);
     }

src/main/java/io/bitsquare/RelayNode.java

@@ -1,24 +1,30 @@
-package io.bitsquare.msg;
+package io.bitsquare;
 
 import net.tomp2p.p2p.Peer;
 import net.tomp2p.p2p.PeerMaker;
 import net.tomp2p.peers.Number160;
 
-public class BootstrapMasterPeer
+public class RelayNode
 {
     private static Peer masterPeer = null;
     public static Number160 ID = Number160.createHash(1);
 
     public static void main(String[] args) throws Exception
     {
-        INSTANCE(5000);
+        if (args.length == 1)
+            INSTANCE(new Integer(args[0]));
+        else
+            INSTANCE(5000);
     }
 
     public static Peer INSTANCE(int port) throws Exception
     {
         if (masterPeer == null)
+        {
             masterPeer = new PeerMaker(ID).setPorts(port).makeAndListen();
-
+            // masterPeer = new PeerMaker(ID).setPorts(port).setBagSize(100).makeAndListen();     // setBagSize cause sync problems...
+            masterPeer.getBroadcastRPC().getConnectionBean().getConnectionReservation().reserve(10).awaitUninterruptibly();
+        }
         return masterPeer;
     }
 }

src/main/java/io/bitsquare/bank/BankAccount.java

@@ -8,7 +8,6 @@ public class BankAccount implements Serializable
 {
 
     private static final long serialVersionUID = 1792577576443221268L;
-    private static final long VERSION = 1;
 
     private BankAccountType bankAccountType;
     private String accountPrimaryID;
@@ -80,17 +79,18 @@ public class BankAccount implements Serializable
         return accountTitle;
     }
 
-    // Changes of that structure must be reflected in VERSION updates
-    public String getStringifiedBankAccount()
+    @Override
+    public String toString()
     {
-        return "{" +
-                "type=" + bankAccountType +
-                ", primaryID='" + accountPrimaryID + '\'' +
-                ", secondaryID='" + accountSecondaryID + '\'' +
-                ", holderName='" + accountHolderName + '\'' +
-                ", currency='" + currency.getCurrencyCode() + '\'' +
-                ", country='" + countryLocale.getCountry() + '\'' +
-                ", v='" + VERSION + '\'' +
+        return "BankAccount{" +
+                "bankAccountType=" + bankAccountType +
+                ", accountPrimaryID='" + accountPrimaryID + '\'' +
+                ", accountSecondaryID='" + accountSecondaryID + '\'' +
+                ", accountHolderName='" + accountHolderName + '\'' +
+                ", countryLocale=" + countryLocale +
+                ", currency=" + currency +
+                ", uid='" + uid + '\'' +
+                ", accountTitle='" + accountTitle + '\'' +
                 '}';
     }
 

src/main/java/io/bitsquare/bank/BankAccountType.java

@@ -7,6 +7,11 @@ public class BankAccountType implements Serializable
 
     private static final long serialVersionUID = -8772708150197835288L;
 
+    public static enum BankAccountTypeEnum
+    {
+        SEPA, WIRE, INTERNATIONAL, OK_PAY, NET_TELLER, PERFECT_MONEY, OTHER
+    }
+
     private BankAccountTypeEnum type;
     private String primaryIDName;
     private String secondaryIDName;
@@ -40,8 +45,4 @@ public class BankAccountType implements Serializable
         return type.toString();
     }
 
-    public static enum BankAccountTypeEnum
-    {
-        SEPA, WIRE, INTERNATIONAL, OK_PAY, NET_TELLER, PERFECT_MONEY, OTHER
-    }
 }

src/main/java/io/bitsquare/btc/AccountRegistrationWallet.java

@@ -7,6 +7,8 @@ import com.google.bitcoin.store.UnreadableWalletException;
 import com.google.bitcoin.store.WalletProtobufSerializer;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
+import io.bitsquare.BitSquare;
+import io.bitsquare.util.Utilities;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,7 +41,7 @@ public class AccountRegistrationWallet extends Wallet implements WalletEventList
         this.chain = chain;
         this.peerGroup = peerGroup;
 
-        walletFile = new File(".", "bitsquare_account_reg" + ".wallet");
+        walletFile = new File(Utilities.getRootDir() + "account_reg_" + BitSquare.ID + ".wallet");
         if (walletFile.exists())
         {
             FileInputStream walletStream = null;
@@ -74,7 +76,10 @@ public class AccountRegistrationWallet extends Wallet implements WalletEventList
         {
             e.printStackTrace();
         }
+
         autosaveToFile(walletFile, 1, TimeUnit.SECONDS, null);
+
+        allowSpendingUnconfirmedTransactions();
     }
 
     void shutDown()
@@ -166,7 +171,7 @@ public class AccountRegistrationWallet extends Wallet implements WalletEventList
         for (WalletFacade.WalletListener walletListener : walletListeners)
             walletListener.onCoinsReceived(newBalance);
 
-        log.info("onCoinsReceived");
+        // log.info("onCoinsReceived");
     }
 
     @Override
@@ -175,7 +180,7 @@ public class AccountRegistrationWallet extends Wallet implements WalletEventList
         for (WalletFacade.WalletListener walletListener : walletListeners)
             walletListener.onConfidenceChanged(tx.getConfidence().numBroadcastPeers(), WalletUtil.getConfDepthInBlocks(this));
 
-        log.info("onTransactionConfidenceChanged " + tx.getConfidence().toString());
+        // log.info("onTransactionConfidenceChanged " + tx.getConfidence().toString());
     }
 
     @Override
@@ -193,7 +198,7 @@ public class AccountRegistrationWallet extends Wallet implements WalletEventList
     @Override
     public void onWalletChanged(Wallet wallet)
     {
-        log.info("onWalletChanged");
+        // log.info("onWalletChanged");
     }
 
     @Override

src/main/java/io/bitsquare/btc/BlockChainFacade.java

@@ -16,11 +16,19 @@ public class BlockChainFacade
 
     }
 
-    public boolean verifyEmbeddedData(String address)
+    //TODO
+    public boolean isAccountBlackListed(String accountID, BankAccount bankAccount)
     {
+        return false;
+    }
+
+    //TODO
+    public boolean verifyAccountRegistration()
+    {
+        return true;
+
         // tx id 76982adc582657b2eb68f3e43341596a68aadc4ef6b9590e88e93387d4d5d1f9
         // address: mjbxLbuVpU1cNXLJbrJZyirYwweoRPVVTj
-        return true;
             /*
         if (findAddressInBlockChain(address) && isFeePayed(address))
             return getDataForTxWithAddress(address) != null;
@@ -49,14 +57,14 @@ public class BlockChainFacade
         return true;
     }
 
-    public boolean isAccountIDBlacklisted(String accountID)
+    private boolean isAccountIDBlacklisted(String accountID)
     {
         // TODO
         // check if accountID is on blacklist
         return false;
     }
 
-    public boolean isBankAccountBlacklisted(BankAccount bankAccount)
+    private boolean isBankAccountBlacklisted(BankAccount bankAccount)
     {
         // TODO
         // check if accountID is on blacklist

src/main/java/io/bitsquare/btc/BtcFormatter.java

@@ -3,6 +3,8 @@ package io.bitsquare.btc;
 import com.google.bitcoin.core.Utils;
 import io.bitsquare.gui.util.Converter;
 import io.bitsquare.gui.util.Formatter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.math.BigInteger;
 import java.text.DecimalFormat;
@@ -10,6 +12,8 @@ import java.util.Locale;
 
 public class BtcFormatter
 {
+    private static final Logger log = LoggerFactory.getLogger(BtcFormatter.class);
+
     public static BigInteger BTC = new BigInteger("100000000");
     public static BigInteger mBTC = new BigInteger("100000");
 
@@ -30,10 +34,13 @@ public class BtcFormatter
         {
             // only "." as decimal sep supported by Utils.toNanoCoins
             DecimalFormat decimalFormat = (DecimalFormat) DecimalFormat.getInstance(Locale.ENGLISH);
+            decimalFormat.setMaximumFractionDigits(10);
+            decimalFormat.setMinimumFractionDigits(10);
             String stringValue = decimalFormat.format(value);
             return Utils.toNanoCoins(stringValue);
         } catch (Exception e)
         {
+            log.warn("Exception at doubleValueToSatoshis " + e.getMessage());
             return BigInteger.ZERO;
         }
     }

src/main/java/io/bitsquare/btc/Fees.java

@@ -1,11 +1,14 @@
 package io.bitsquare.btc;
 
+import com.google.bitcoin.core.Transaction;
+
 import java.math.BigInteger;
 
 public class Fees
 {
     // min dust value lead to exception at for non standard to address pay scripts, so we use a value >= 7860 instead
+    public static BigInteger MS_TX_FEE = Transaction.REFERENCE_DEFAULT_MIN_TX_FEE;  // Transaction.REFERENCE_DEFAULT_MIN_TX_FEE = BigInteger.valueOf(10000)
     public static BigInteger ACCOUNT_REGISTRATION_FEE = BigInteger.valueOf(7860);// Utils.toNanoCoins("0.001");
-    public static BigInteger OFFER_CREATION_FEE = BigInteger.valueOf(7860); //  //Transaction.MIN_NONDUST_OUTPUT; // Utils.toNanoCoins("0.001");
+    public static BigInteger OFFER_CREATION_FEE = BigInteger.valueOf(7860); //  Transaction.MIN_NONDUST_OUTPUT; // Utils.toNanoCoins("0.001");
     public static BigInteger OFFER_TAKER_FEE = BigInteger.valueOf(7860);
 }

src/main/java/io/bitsquare/btc/WalletFacade.java

@@ -13,6 +13,7 @@ import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.inject.Inject;
+import io.bitsquare.BitSquare;
 import io.bitsquare.crypto.CryptoFacade;
 import io.bitsquare.gui.util.Popups;
 import javafx.application.Platform;
@@ -35,16 +36,14 @@ public class WalletFacade implements WalletEventListener
 {
     public static final String MAIN_NET = "MAIN_NET";
     public static final String TEST_NET = "TEST_NET";
+    public static final String REG_TEST_NET = "REG_TEST_NET";
 
-    public static String WALLET_PREFIX;
+    public static String WALLET_PREFIX = BitSquare.ID;
 
     // for testing trade process between offerer and taker
     //public static String WALLET_PREFIX = "offerer"; // offerer
     //public static String WALLET_PREFIX = "taker"; // offerer
 
-    //public static  String WALLET_PREFIX = "bitsquare";
-
-
     private static final Logger log = LoggerFactory.getLogger(WalletFacade.class);
 
     private NetworkParameters params;
@@ -56,6 +55,8 @@ public class WalletFacade implements WalletEventListener
 
     private List<DownloadListener> downloadListeners = new ArrayList<>();
     private List<WalletListener> walletListeners = new ArrayList<>();
+
+
     private Wallet wallet;
 
 
@@ -107,7 +108,7 @@ public class WalletFacade implements WalletEventListener
 
         wallet = walletAppKit.wallet();
 
-        //wallet.allowSpendingUnconfirmedTransactions();
+        wallet.allowSpendingUnconfirmedTransactions();
         walletAppKit.peerGroup().setMaxConnections(20);
 
         wallet.addEventListener(this);
@@ -168,7 +169,7 @@ public class WalletFacade implements WalletEventListener
         return wallet.getBalance(Wallet.BalanceType.ESTIMATED);
     }
 
-    public String getAddress()
+    public String getAddressAsString()
     {
         return wallet.getKeys().get(0).toAddress(params).toString();
     }
@@ -189,6 +190,18 @@ public class WalletFacade implements WalletEventListener
         return tx.getHashAsString();
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Trade process
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public int getNumOfPeersSeenTx(String txID)
+    {
+        // TODO check from blockchain
+        // will be async
+        return 3;
+    }
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Account registration
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -200,7 +213,7 @@ public class WalletFacade implements WalletEventListener
 
     public String getAccountRegistrationPubKey()
     {
-        return Utils.bytesToHexString(getAccountRegistrationWallet().getKey().getPubKey());
+        return Utils.bytesToHexString(getAccountRegistrationKey().getPubKey());
     }
 
     public BigInteger getAccountRegistrationBalance()
@@ -213,6 +226,11 @@ public class WalletFacade implements WalletEventListener
         getAccountRegistrationWallet().saveToBlockchain(cryptoFacade.getEmbeddedAccountRegistrationData(getAccountRegistrationWallet().getKey(), stringifiedBankAccounts));
     }
 
+    public ECKey getAccountRegistrationKey()
+    {
+        return getAccountRegistrationWallet().getKey();
+    }
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getter
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -227,12 +245,11 @@ public class WalletFacade implements WalletEventListener
         return WalletUtil.getConfDepthInBlocks(getAccountRegistrationWallet());
     }
 
-    public ECKey getAccountKey()
+    public Wallet getWallet()
     {
-        return getAccountRegistrationWallet().getKey();
+        return wallet;
     }
 
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Interface implementation: WalletEventListener
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -243,7 +260,7 @@ public class WalletFacade implements WalletEventListener
         for (WalletListener walletListener : walletListeners)
             walletListener.onCoinsReceived(newBalance);
 
-        log.info("onCoinsReceived");
+        // log.info("onCoinsReceived");
     }
 
     @Override
@@ -252,13 +269,13 @@ public class WalletFacade implements WalletEventListener
         for (WalletListener walletListener : walletListeners)
             walletListener.onConfidenceChanged(tx.getConfidence().numBroadcastPeers(), WalletUtil.getConfDepthInBlocks(wallet));
 
-        log.info("onTransactionConfidenceChanged " + tx.getConfidence().toString());
+        // log.info("onTransactionConfidenceChanged " + tx.getConfidence().toString());
     }
 
     @Override
     public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
     {
-        log.info("onCoinsSent");
+        // log.info("onCoinsSent");
     }
 
     @Override
@@ -270,7 +287,7 @@ public class WalletFacade implements WalletEventListener
     @Override
     public void onWalletChanged(Wallet wallet)
     {
-        log.info("onWalletChanged");
+        // log.info("onWalletChanged");
     }
 
     @Override
@@ -285,12 +302,11 @@ public class WalletFacade implements WalletEventListener
         log.info("onScriptsAdded");
     }
 
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Private methods
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    private AccountRegistrationWallet getAccountRegistrationWallet()
+    public AccountRegistrationWallet getAccountRegistrationWallet()
     {
         if (accountRegistrationWallet == null)
             accountRegistrationWallet = new AccountRegistrationWallet(params, walletAppKit.chain(), walletAppKit.peerGroup());
@@ -329,25 +345,25 @@ public class WalletFacade implements WalletEventListener
             String arbitratorPubKey = "";
 
             // 1 offerer creates MS TX and pay in
-          /* Transaction tx1 = offererCreatesMSTxAndAddPayment(offererAmount, offererPubKey, takerPubKey, arbitratorPubKey);
+            Transaction tx1 = offererCreatesMSTxAndAddPayment(offererAmount, offererPubKey, takerPubKey, arbitratorPubKey);
             tx1AsHex = Utils.bytesToHexString(tx1.bitcoinSerialize());
-              */
+
 
             tx1AsHex = "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";
 
             // 2. taker pay in and sign
-           /* Transaction tx2 = takerAddPaymentAndSign(takerAmount, msOutputAmount, offererPubKey, takerPubKey, arbitratorPubKey, tx1AsHex);
+          /* Transaction tx2 = takerAddPaymentAndSign(takerAmount, msOutputAmount, offererPubKey, takerPubKey, arbitratorPubKey, tx1AsHex);
             tx2AsHex = Utils.bytesToHexString(tx2.bitcoinSerialize());
             tx2ScriptSigAsHex = Utils.bytesToHexString(tx2.getInput(1).getScriptBytes());
             tx2ConnOutAsHex =  Utils.bytesToHexString(tx2.getInput(1).getConnectedOutput().getParentTransaction().bitcoinSerialize());
-                    */
+                                  */
 
             tx2AsHex = "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";
             tx2ScriptSigAsHex = "47304402207f4beeb1a86432be0b4c3d4f4db7416b52b66c84383d1980d39e21d547a1762f02200405d0d4b80d1094e3a08cb39ef6f1161be163026d417af08d54c5a1cfdbbbeb01210207cf5fb65d6923d5d41db21ceac9567a0fc3eb92c6137f274018381ced7b6568";
             tx2ConnOutAsHex = "01000000014378dfcd19add18eb6f118a1e35ced127ff23c9dc5034eee1cda5b9caeb814f0010000006a473044022011431387fc19b093b26a6d2371995c828179aae68e94ad5804e5d0986a6b471302206abc2b698375620e65fc9970b7781da0af2179d1bdc4ebc82a13e285359a3ce7012103c7b9e9ef657705522c85b8429bb2b42c04f0fd4a09e0605cd7dd62ffecb57944ffffffff02c0ce823e000000001976a9142d1b4347ae850805f3badbb4b2949674f46c4ccd88ac00e1f505000000001976a914e5175c1f71c28218306d4a27c8cec0269dddbbde88ac00000000";
 
             // 3. offerer sign and send
-            Transaction tx3 = offererSignAndSendTx(tx1AsHex, tx2AsHex, tx2ConnOutAsHex, tx2ScriptSigAsHex);
+            Transaction tx3 = offererSignAndSendTx(tx1AsHex, tx2AsHex, tx2ConnOutAsHex, tx2ScriptSigAsHex, null);
 
             log.info(tx3.toString());  // tx has 453 Bytes
 
@@ -421,8 +437,13 @@ public class WalletFacade implements WalletEventListener
 
     }
 
+    public String getMultiSigPubKeyAsHex()
+    {
+        return Utils.bytesToHexString(wallet.getKeys().get(0).getPubKey());
+    }
+
     // deposit 1. offerer
-    private Transaction offererCreatesMSTxAndAddPayment(BigInteger offererAmount, String offererPubKey, String takerPubKey, String arbitratorPubKey) throws InsufficientMoneyException
+    public Transaction offererCreatesMSTxAndAddPayment(BigInteger offererAmount, String offererPubKey, String takerPubKey, String arbitratorPubKey) throws InsufficientMoneyException
     {
         // use that to use the convenient api for getting the best coin selection and fee calculation
         // TODO should be constructed manually
@@ -494,13 +515,15 @@ public class WalletFacade implements WalletEventListener
     public Transaction offererSignAndSendTx(String tx1AsHex,
                                             String tx2AsHex,
                                             String tx2ConnOutAsHex,
-                                            String tx2ScriptSigAsHex) throws Exception
+                                            String tx2ScriptSigAsHex,
+                                            FutureCallback<Transaction> callback) throws Exception
     {
+        log.info("offererSignAndSendTx start");
         Transaction tx = new Transaction(params);
 
         Transaction tx1 = new Transaction(params, Utils.parseAsHexOrBase58(tx1AsHex));
         Transaction tx1ConnOut = wallet.getTransaction(tx1.getInput(0).getOutpoint().getHash());
-        TransactionOutPoint tx1OutPoint = new TransactionOutPoint(params, 0, tx1ConnOut);
+        TransactionOutPoint tx1OutPoint = new TransactionOutPoint(params, 1, tx1ConnOut);
         TransactionInput tx1Input = new TransactionInput(params, tx, tx1.getInput(0).getScriptBytes(), tx1OutPoint);
         tx1Input.setParent(tx);
         tx.addInput(tx1Input);
@@ -529,10 +552,13 @@ public class WalletFacade implements WalletEventListener
         else
             throw new ScriptException("Don't know how to sign for this kind of scriptPubKey: " + scriptPubKey);
 
+        log.info("offererSignAndSendTx check correctlySpends input 0");
         input.getScriptSig().correctlySpends(tx, 0, scriptPubKey, false);
 
         input = tx.getInput(1);
         scriptPubKey = input.getConnectedOutput().getScriptPubKey();
+
+        log.info("offererSignAndSendTx check correctlySpends input 1");
         input.getScriptSig().correctlySpends(tx, 1, scriptPubKey, false);
 
          /*
@@ -542,26 +568,28 @@ public class WalletFacade implements WalletEventListener
         OUT[1] offerer change
         OUT[2] taker change
          */
-
+        log.info("offererSignAndSendTx broadcastTransaction verify ");
         tx.verify();
 
+        log.info("offererSignAndSendTx broadcastTransaction pre ");
         ListenableFuture<Transaction> broadcastComplete = walletAppKit.peerGroup().broadcastTransaction(tx);
-
-        FutureCallback callback = new FutureCallback<Transaction>()
+        log.info("offererSignAndSendTx broadcastTransaction post");
+        FutureCallback<Transaction> localCallback = new FutureCallback<Transaction>()
         {
             @Override
             public void onSuccess(Transaction transaction)
             {
-                log.info("sendResult onSuccess:" + transaction.toString());
+                log.info("offererSignAndSendTx onSuccess" + transaction.toString());
             }
 
             @Override
             public void onFailure(Throwable t)
             {
-                log.warn("sendResult onFailure:" + t.toString());
+                log.info("offererSignAndSendTx onFailure" + t.toString());
                 Popups.openErrorPopup("Fee payment failed", "Fee payment failed. " + t.toString());
             }
         };
+        Futures.addCallback(broadcastComplete, localCallback);
         Futures.addCallback(broadcastComplete, callback);
 
         return tx;
@@ -628,7 +656,7 @@ public class WalletFacade implements WalletEventListener
 
         ListenableFuture<Transaction> broadcastComplete = walletAppKit.peerGroup().broadcastTransaction(tx);
 
-        FutureCallback callback = new FutureCallback<Transaction>()
+        FutureCallback<Transaction> callback = new FutureCallback<Transaction>()
         {
             @Override
             public void onSuccess(Transaction transaction)
@@ -648,7 +676,6 @@ public class WalletFacade implements WalletEventListener
         return tx;
     }
 
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Inner classes
     ///////////////////////////////////////////////////////////////////////////////////////////

src/main/java/io/bitsquare/crypto/CryptoFacade.java

@@ -6,7 +6,6 @@ import com.google.common.base.Charsets;
 import com.google.inject.Inject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.spongycastle.util.encoders.Hex;
 
 import java.security.SignatureException;
 import java.util.UUID;
@@ -58,7 +57,7 @@ public class CryptoFacade
 
     public boolean verifyHash(String hashAsHexStringToVerify, String msg, String sig)
     {
-        String hashAsHexString = Hex.toHexString(createHash(msg, sig));
+        String hashAsHexString = Utils.bytesToHexString(createHash(msg, sig));
         return hashAsHexString.equals(hashAsHexStringToVerify);
     }
 

src/main/java/io/bitsquare/di/BitSquareModule.java

@@ -4,6 +4,7 @@ package io.bitsquare.di;
 import com.google.bitcoin.core.NetworkParameters;
 import com.google.bitcoin.kits.WalletAppKit;
 import com.google.bitcoin.params.MainNetParams;
+import com.google.bitcoin.params.RegTestParams;
 import com.google.bitcoin.params.TestNet3Params;
 import com.google.inject.AbstractModule;
 import com.google.inject.Inject;
@@ -17,10 +18,10 @@ import io.bitsquare.msg.MessageFacade;
 import io.bitsquare.settings.Settings;
 import io.bitsquare.storage.Storage;
 import io.bitsquare.trade.Trading;
-import io.bitsquare.trade.orderbook.MockOrderBook;
 import io.bitsquare.trade.orderbook.OrderBook;
 import io.bitsquare.trade.orderbook.OrderBookFilter;
 import io.bitsquare.user.User;
+import io.bitsquare.util.Utilities;
 
 import java.io.File;
 
@@ -31,7 +32,7 @@ public class BitSquareModule extends AbstractModule
     protected void configure()
     {
         bind(User.class).asEagerSingleton();
-        bind(OrderBook.class).to(MockOrderBook.class).asEagerSingleton();
+        bind(OrderBook.class).asEagerSingleton();
         bind(Storage.class).asEagerSingleton();
         bind(Settings.class).asEagerSingleton();
         bind(OrderBookFilter.class).asEagerSingleton();
@@ -44,6 +45,7 @@ public class BitSquareModule extends AbstractModule
         bind(Trading.class).asEagerSingleton();
 
         //bind(String.class).annotatedWith(Names.named("networkType")).toInstance(WalletFacade.MAIN_NET);
+        // bind(String.class).annotatedWith(Names.named("networkType")).toInstance(WalletFacade.REG_TEST_NET);
         bind(String.class).annotatedWith(Names.named("networkType")).toInstance(WalletFacade.TEST_NET);
         bind(NetworkParameters.class).toProvider(NetworkParametersProvider.class).asEagerSingleton();
         bind(WalletAppKit.class).toProvider(WalletAppKitProvider.class).asEagerSingleton();
@@ -62,7 +64,7 @@ class WalletAppKitProvider implements Provider<WalletAppKit>
 
     public WalletAppKit get()
     {
-        return new WalletAppKit(networkParameters, new File("."), WalletFacade.WALLET_PREFIX);
+        return new WalletAppKit(networkParameters, new File(Utilities.getRootDir()), WalletFacade.WALLET_PREFIX);
     }
 }
 
@@ -88,6 +90,9 @@ class NetworkParametersProvider implements Provider<NetworkParameters>
             case WalletFacade.TEST_NET:
                 result = TestNet3Params.get();
                 break;
+            case WalletFacade.REG_TEST_NET:
+                result = RegTestParams.get();
+                break;
         }
         return result;
     }

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

@@ -1,5 +1,7 @@
 package io.bitsquare.gui;
 
+import com.google.bitcoin.core.*;
+import com.google.bitcoin.script.Script;
 import com.google.inject.Inject;
 import io.bitsquare.bank.BankAccount;
 import io.bitsquare.btc.BtcFormatter;
@@ -11,7 +13,9 @@ import io.bitsquare.gui.setup.SetupController;
 import io.bitsquare.gui.util.Icons;
 import io.bitsquare.gui.util.Localisation;
 import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.msg.TradeMessage;
 import io.bitsquare.trade.Direction;
+import io.bitsquare.trade.Trading;
 import io.bitsquare.user.User;
 import javafx.application.Platform;
 import javafx.beans.value.ChangeListener;
@@ -26,12 +30,15 @@ import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.*;
 import javafx.util.StringConverter;
+import net.tomp2p.peers.PeerAddress;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.math.BigInteger;
 import java.net.URL;
 import java.util.Date;
+import java.util.List;
 import java.util.ResourceBundle;
 
 public class MainController implements Initializable, NavigationController, WalletFacade.DownloadListener
@@ -41,6 +48,7 @@ public class MainController implements Initializable, NavigationController, Wall
     private User user;
     private WalletFacade walletFacade;
     private MessageFacade messageFacade;
+    private Trading trading;
     private ChildController childController;
     private ToggleGroup toggleGroup;
     private ToggleButton prevToggleButton;
@@ -48,6 +56,9 @@ public class MainController implements Initializable, NavigationController, Wall
     private Pane setupView;
     private SetupController setupController;
     private NetworkSyncPane networkSyncPane;
+    private ToggleButton buyButton, sellButton, homeButton, msgButton, ordersButton, historyButton, fundsButton, settingsButton;
+    private Pane msgButtonHolder, buyButtonHolder, sellButtonHolder, ordersButtonButtonHolder;
+    private TextField balanceTextField;
 
     @FXML
     public Pane contentPane;
@@ -64,11 +75,12 @@ public class MainController implements Initializable, NavigationController, Wall
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     @Inject
-    public MainController(User user, WalletFacade walletFacade, MessageFacade messageFacade)
+    public MainController(User user, WalletFacade walletFacade, MessageFacade messageFacade, Trading trading)
     {
         this.user = user;
         this.walletFacade = walletFacade;
         this.messageFacade = messageFacade;
+        this.trading = trading;
     }
 
 
@@ -88,19 +100,50 @@ public class MainController implements Initializable, NavigationController, Wall
         walletFacade.addDownloadListener(this);
         walletFacade.initWallet();
 
-        buildNavigation();
         if (user.getAccountID() == null)
         {
             buildSetupView();
-            anchorPane.setOpacity(0);
+            anchorPane.setVisible(false);
             setupController.setNetworkSyncPane(networkSyncPane);
             rootContainer.getChildren().add(setupView);
         }
+        else
+        {
+            buildNavigation();
+
+            sellButton.fire();
+            // ordersButton.fire();
+            // homeButton.fire();
+            // msgButton.fire();
+        }
 
         AnchorPane.setBottomAnchor(networkSyncPane, 0.0);
         AnchorPane.setLeftAnchor(networkSyncPane, 0.0);
+
+        messageFacade.addTakeOfferRequestListener((tradingMessage, sender) -> showTakeOfferRequest(tradingMessage, sender));
     }
 
+    private void showTakeOfferRequest(final TradeMessage tradeMessage, PeerAddress sender)
+    {
+        trading.createOffererPaymentProtocol(tradeMessage, sender);
+        try
+        {
+            ImageView newTradeRequestIcon = Icons.getIconImageView(Icons.MSG_ALERT);
+            Button alertButton = new Button("", newTradeRequestIcon);
+            alertButton.setId("nav-alert-button");
+            alertButton.relocate(36, 19);
+            Tooltip.install(alertButton, new Tooltip("Someone accepted your offer"));
+
+            alertButton.setOnAction((e) -> {
+                ordersButton.fire();
+            });
+            ordersButtonButtonHolder.getChildren().add(alertButton);
+
+        } catch (NullPointerException e)
+        {
+            log.warn("showTakeOfferRequest failed because of a NullPointerException");
+        }
+    }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Interface implementation: NavigationController
@@ -113,12 +156,12 @@ public class MainController implements Initializable, NavigationController, Wall
         {
             anchorPane.getChildren().add(networkSyncPane);
 
-            anchorPane.setOpacity(1);
+            anchorPane.setVisible(true);
             rootContainer.getChildren().remove(setupView);
             setupView = null;
             setupController = null;
 
-            return null;
+            buildNavigation();
         }
 
         if (childController != null)
@@ -181,21 +224,31 @@ public class MainController implements Initializable, NavigationController, Wall
     {
         toggleGroup = new ToggleGroup();
 
-        ToggleButton homeButton = addNavButton(leftNavPane, "Overview", Icons.HOME, Icons.HOME, NavigationController.HOME);
-        ToggleButton buyButton = addNavButton(leftNavPane, "Buy BTC", Icons.NAV_BUY, Icons.NAV_BUY_ACTIVE, NavigationController.MARKET, Direction.BUY);
-        ToggleButton sellButton = addNavButton(leftNavPane, "Sell BTC", Icons.NAV_SELL, Icons.NAV_SELL_ACTIVE, NavigationController.MARKET, Direction.SELL);
-        addNavButton(leftNavPane, "Orders", Icons.ORDERS, Icons.ORDERS, NavigationController.ORDERS);
-        addNavButton(leftNavPane, "History", Icons.HISTORY, Icons.HISTORY, NavigationController.HISTORY);
-        addNavButton(leftNavPane, "Funds", Icons.FUNDS, Icons.FUNDS, NavigationController.FUNDS);
-        ToggleButton msgButton = addNavButton(leftNavPane, "Message", Icons.MSG, Icons.MSG, NavigationController.MSG);
+        homeButton = addNavButton(leftNavPane, "Overview", Icons.HOME, Icons.HOME, NavigationController.HOME);
+
+        buyButtonHolder = new Pane();
+        buyButton = addNavButton(buyButtonHolder, "Buy BTC", Icons.NAV_BUY, Icons.NAV_BUY_ACTIVE, NavigationController.MARKET, Direction.BUY);
+        leftNavPane.getChildren().add(buyButtonHolder);
+
+        sellButtonHolder = new Pane();
+        sellButton = addNavButton(sellButtonHolder, "Sell BTC", Icons.NAV_SELL, Icons.NAV_SELL_ACTIVE, NavigationController.MARKET, Direction.SELL);
+        leftNavPane.getChildren().add(sellButtonHolder);
+
+        ordersButtonButtonHolder = new Pane();
+        ordersButton = addNavButton(ordersButtonButtonHolder, "Orders", Icons.ORDERS, Icons.ORDERS, NavigationController.ORDERS);
+        leftNavPane.getChildren().add(ordersButtonButtonHolder);
+
+        historyButton = addNavButton(leftNavPane, "History", Icons.HISTORY, Icons.HISTORY, NavigationController.HISTORY);
+        fundsButton = addNavButton(leftNavPane, "Funds", Icons.FUNDS, Icons.FUNDS, NavigationController.FUNDS);
+
+        msgButtonHolder = new Pane();
+        msgButton = addNavButton(msgButtonHolder, "Message", Icons.MSG, Icons.MSG, NavigationController.MSG);
+        leftNavPane.getChildren().add(msgButtonHolder);
+
         addBalanceInfo(rightNavPane);
         addAccountComboBox(rightNavPane);
 
-        addNavButton(rightNavPane, "Settings", Icons.SETTINGS, Icons.SETTINGS, NavigationController.SETTINGS);
-
-        //sellButton.fire();
-        //homeButton.fire();
-        msgButton.fire();
+        settingsButton = addNavButton(rightNavPane, "Settings", Icons.SETTINGS, Icons.SETTINGS, NavigationController.SETTINGS);
     }
 
     private ToggleButton addNavButton(Pane parent, String title, String iconId, String iconIdActivated, String navTarget)
@@ -250,18 +303,19 @@ public class MainController implements Initializable, NavigationController, Wall
 
     private TextField addBalanceInfo(Pane parent)
     {
-        TextField balanceLabel = new TextField();
-        balanceLabel.setEditable(false);
-        balanceLabel.setMouseTransparent(true);
-        balanceLabel.setPrefWidth(90);
-        balanceLabel.setId("nav-balance-label");
-        balanceLabel.setText(BtcFormatter.formatSatoshis(walletFacade.getBalance(), false));
+        balanceTextField = new TextField();
+        balanceTextField.setEditable(false);
+        balanceTextField.setMouseTransparent(true);
+        balanceTextField.setPrefWidth(90);
+        balanceTextField.setId("nav-balance-label");
+
+        balanceTextField.setText(BtcFormatter.formatSatoshis(walletFacade.getBalance(), false));
 
         Label balanceCurrencyLabel = new Label("BTC");
         balanceCurrencyLabel.setPadding(new Insets(6, 0, 0, 0));
         HBox hBox = new HBox();
         hBox.setSpacing(2);
-        hBox.getChildren().setAll(balanceLabel, balanceCurrencyLabel);
+        hBox.getChildren().setAll(balanceTextField, balanceCurrencyLabel);
 
         VBox vBox = new VBox();
         vBox.setPadding(new Insets(12, 0, 0, 0));
@@ -274,7 +328,47 @@ public class MainController implements Initializable, NavigationController, Wall
         vBox.getChildren().setAll(hBox, titleLabel);
         parent.getChildren().add(vBox);
 
-        return balanceLabel;
+        balanceTextField.setText(Utils.bitcoinValueToFriendlyString(walletFacade.getBalance()));
+        walletFacade.getWallet().addEventListener(new WalletEventListener()
+        {
+            @Override
+            public void onCoinsReceived(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+                balanceTextField.setText(Utils.bitcoinValueToFriendlyString(newBalance));
+            }
+
+            @Override
+            public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx)
+            {
+            }
+
+            @Override
+            public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+            }
+
+            @Override
+            public void onReorganize(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onWalletChanged(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onKeysAdded(Wallet wallet, List<ECKey> keys)
+            {
+            }
+
+            @Override
+            public void onScriptsAdded(Wallet wallet, List<Script> scripts)
+            {
+            }
+        });
+
+        return balanceTextField;
     }
 
     private void addAccountComboBox(Pane parent)
@@ -322,4 +416,5 @@ public class MainController implements Initializable, NavigationController, Wall
         }
     }
 
+
 }

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

@@ -13,8 +13,9 @@ public interface NavigationController
     public static final String SETTINGS = "/io/bitsquare/gui/settings/SettingsView.fxml";
 
     public static final String ORDER_BOOK = "/io/bitsquare/gui/market/orderbook/OrderBookView.fxml";
-    public static final String TRADE = "/io/bitsquare/gui/market/trade/TradeView.fxml";
-    public static final String CREATE_OFFER = "/io/bitsquare/gui/market/offer/CreateOfferView.fxml";
+    public static final String TAKER_TRADE = "/io/bitsquare/gui/market/trade/TakerTradeView.fxml";
+    public static final String OFFERER_TRADE = "/io/bitsquare/gui/orders/OffererTradeView.fxml";
+    public static final String CREATE_OFFER = "/io/bitsquare/gui/market/createOffer/CreateOfferView.fxml";
 
     ChildController navigateToView(String fxmlView, String title);
 }

src/main/java/io/bitsquare/gui/components/processbar/ProcessStepsBuilder.java

@@ -1,6 +1,6 @@
 package io.bitsquare.gui.components.processbar;
 
-import io.bitsquare.util.Utils;
+import io.bitsquare.util.Utilities;
 import javafx.animation.AnimationTimer;
 import javafx.scene.control.Button;
 import javafx.scene.control.Control;
@@ -65,7 +65,7 @@ public class ProcessStepsBuilder
 
                 // TODO
                 // mock simulate network delay
-                Utils.setTimeout(100, (AnimationTimer animationTimer) -> {
+                Utilities.setTimeout(100, (AnimationTimer animationTimer) -> {
                     next();
                     return null;
                 });

src/main/java/io/bitsquare/gui/funds/FundsController.java

@@ -1,39 +1,43 @@
 package io.bitsquare.gui.funds;
 
+import com.google.bitcoin.core.*;
+import com.google.bitcoin.script.Script;
 import com.google.inject.Inject;
 import de.jensd.fx.fontawesome.AwesomeDude;
 import de.jensd.fx.fontawesome.AwesomeIcon;
-import io.bitsquare.btc.BtcFormatter;
 import io.bitsquare.btc.WalletFacade;
 import io.bitsquare.gui.ChildController;
 import io.bitsquare.gui.NavigationController;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
 import javafx.scene.control.Label;
+import javafx.scene.control.ProgressIndicator;
 import javafx.scene.control.TextField;
 import javafx.scene.control.Tooltip;
 import javafx.scene.input.Clipboard;
 import javafx.scene.input.ClipboardContent;
-import javafx.scene.layout.Pane;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.math.BigInteger;
 import java.net.URL;
+import java.util.Iterator;
+import java.util.List;
 import java.util.ResourceBundle;
+import java.util.Set;
 
 
 public class FundsController implements Initializable, ChildController
 {
-
-    private NavigationController navigationController;
+    private static final Logger log = LoggerFactory.getLogger(FundsController.class);
     private WalletFacade walletFacade;
 
     @FXML
-    public Pane rootContainer;
+    private TextField tradingAccountTextField, balanceTextField;
     @FXML
-    public TextField addressLabel;
+    private Label copyIcon, confirmationLabel;
     @FXML
-    public TextField balanceLabel;
-    @FXML
-    public Label copyIcon;
+    private ProgressIndicator progressIndicator;
 
     @Inject
     public FundsController(WalletFacade walletFacade)
@@ -46,24 +50,65 @@ public class FundsController implements Initializable, ChildController
     @Override
     public void initialize(URL url, ResourceBundle rb)
     {
+        String tradingAccountAddress = walletFacade.getAddressAsString();
+        tradingAccountTextField.setText(tradingAccountAddress);
+
+        copyIcon.setId("copy-icon");
         AwesomeDude.setIcon(copyIcon, AwesomeIcon.COPY);
         Tooltip.install(copyIcon, new Tooltip("Copy address to clipboard"));
-
         copyIcon.setOnMouseClicked(e -> {
             Clipboard clipboard = Clipboard.getSystemClipboard();
             ClipboardContent content = new ClipboardContent();
-            content.putString(addressLabel.getText());
+            content.putString(tradingAccountAddress);
             clipboard.setContent(content);
         });
+
+        updateBalance(walletFacade.getBalance());
+
+        walletFacade.getWallet().addEventListener(new WalletEventListener()
+        {
+            @Override
+            public void onCoinsReceived(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+                updateBalance(newBalance);
+            }
+
+            @Override
+            public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx)
+            {
+                updateConfidence(tx);
+            }
+
+            @Override
+            public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+            }
+
+            @Override
+            public void onReorganize(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onWalletChanged(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onKeysAdded(Wallet wallet, List<ECKey> keys)
+            {
+            }
+
+            @Override
+            public void onScriptsAdded(Wallet wallet, List<Script> scripts)
+            {
+            }
+        });
     }
 
     @Override
     public void setNavigationController(NavigationController navigationController)
     {
-        this.navigationController = navigationController;
-
-        addressLabel.setText(walletFacade.getAddress());
-        balanceLabel.setText(BtcFormatter.formatSatoshis(walletFacade.getBalance(), false));
     }
 
     @Override
@@ -72,6 +117,72 @@ public class FundsController implements Initializable, ChildController
 
     }
 
+    private void updateBalance(BigInteger balance)
+    {
+        if (balance.compareTo(BigInteger.ZERO) == 0)
+        {
+            confirmationLabel.setText("");
+            progressIndicator.setOpacity(0);
+            progressIndicator.setProgress(0);
+        }
+        else
+        {
+            progressIndicator.setOpacity(1);
+            progressIndicator.setProgress(-1);
+            Set<Transaction> transactions = walletFacade.getWallet().getTransactions(false);
+            Transaction latestTransaction = null;
+            for (Iterator<Transaction> iterator = transactions.iterator(); iterator.hasNext(); )
+            {
+                Transaction transaction = iterator.next();
+                if (latestTransaction != null)
+                {
+                    if (transaction.getUpdateTime().compareTo(latestTransaction.getUpdateTime()) > 0)
+                    {
+                        latestTransaction = transaction;
+                    }
+                }
+                else
+                {
+                    latestTransaction = transaction;
+                }
+            }
+            if (latestTransaction != null)
+            {
+                updateConfidence(latestTransaction);
+            }
+        }
+        balanceTextField.setText(Utils.bitcoinValueToFriendlyString(balance));
+    }
+
+    private void updateConfidence(Transaction tx)
+    {
+        TransactionConfidence confidence = tx.getConfidence();
+        double progressIndicatorSize = 50;
+        switch (confidence.getConfidenceType())
+        {
+            case UNKNOWN:
+                confirmationLabel.setText("");
+                progressIndicator.setProgress(0);
+                break;
+            case PENDING:
+                confirmationLabel.setText("Seen by " + confidence.numBroadcastPeers() + " peer(s) / 0 confirmations");
+                progressIndicator.setProgress(-1.0);
+                progressIndicatorSize = 20;
+                break;
+            case BUILDING:
+                confirmationLabel.setText("Confirmed in " + confidence.getDepthInBlocks() + " block(s)");
+                progressIndicator.setProgress(Math.min(1, (double) confidence.getDepthInBlocks() / 6.0));
+                break;
+            case DEAD:
+                confirmationLabel.setText("Transaction is invalid.");
+                break;
+        }
+
+        progressIndicator.setMaxHeight(progressIndicatorSize);
+        progressIndicator.setPrefHeight(progressIndicatorSize);
+        progressIndicator.setMaxWidth(progressIndicatorSize);
+        progressIndicator.setPrefWidth(progressIndicatorSize);
+    }
 
 }
 

src/main/java/io/bitsquare/gui/funds/FundsView.fxml

@@ -1,38 +1,57 @@
-<?import io.bitsquare.gui.components.HSpacer?>
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
-<AnchorPane fx:controller="io.bitsquare.gui.funds.FundsController"
-            xmlns:fx="http://javafx.com/fxml" fx:id="rootContainer">
+<AnchorPane fx:controller="io.bitsquare.gui.funds.FundsController" AnchorPane.bottomAnchor="30.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0"
+            xmlns:fx="http://javafx.com/fxml">
+    <children>
+        <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+            <children>
 
-    <Label text="Just one generic address by now for dev...." AnchorPane.topAnchor="10" AnchorPane.leftAnchor="10"/>
+                <Label id="headline-label" text="Trading account wallet"/>
 
-    <HBox spacing="5" AnchorPane.topAnchor="40" AnchorPane.leftAnchor="10">
-        <Label text="Funds address:">
-            <padding>
-                <Insets bottom="0.0" left="0.0" right="0.0" top="5.0"/>
-            </padding>
-        </Label>
-        <TextField fx:id="addressLabel" prefWidth="300" editable="false"/>
+                <GridPane hgap="5.0" vgap="5.0">
 
-        <Label fx:id="copyIcon">
-            <padding>
-                <Insets bottom="0.0" left="0.0" right="0.0" top="4.0"/>
-            </padding>
-        </Label>
-        <HSpacer prefWidth="10"/>
+                    <children>
+                        <Label text="Trading account address:"/>
+                        <TextField fx:id="tradingAccountTextField" editable="false" GridPane.columnIndex="1"/>
+                        <Label fx:id="copyIcon" minWidth="10" GridPane.columnIndex="2">
+                            <padding>
+                                <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                            </padding>
+                            <tooltip>
+                                <Tooltip text="Copy address to clipboard"/>
+                            </tooltip>
+                        </Label>
 
-        <Label text="Balance:">
-            <padding>
-                <Insets bottom="0.0" left="0.0" right="0.0" top="5.0"/>
-            </padding>
-        </Label>
-        <TextField fx:id="balanceLabel" prefWidth="100" editable="false"/>
-        <Label text="BTC">
-            <padding>
-                <Insets bottom="0.0" left="0.0" right="0.0" top="5.0"/>
-            </padding>
-        </Label>
-    </HBox>
+                        <Label text="Balance:" GridPane.rowIndex="1"/>
+                        <TextField fx:id="balanceTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+                        <ProgressIndicator fx:id="progressIndicator" id="confidence-progress-indicator" GridPane.columnIndex="2" GridPane.halignment="LEFT"
+                                           GridPane.rowIndex="1" GridPane.rowSpan="2" GridPane.valignment="TOP">
+                            <GridPane.margin>
+                                <Insets top="2.0"/>
+                            </GridPane.margin>
+                        </ProgressIndicator>
+                        <Label fx:id="confirmationLabel" text="Checking confirmations..." GridPane.columnIndex="3" GridPane.rowIndex="1"/>
 
+                        <Label text="dummy for layout progressIndicator" visible="false" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+
+                    </children>
+
+                    <columnConstraints>
+                        <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES"/>
+                        <ColumnConstraints hgrow="ALWAYS"/>
+                        <ColumnConstraints hgrow="SOMETIMES" prefWidth="20.0"/>
+                        <ColumnConstraints hgrow="SOMETIMES"/>
+                        <ColumnConstraints hgrow="SOMETIMES"/>
+                    </columnConstraints>
+                    <rowConstraints>
+                        <RowConstraints vgrow="SOMETIMES"/>
+                        <RowConstraints vgrow="SOMETIMES"/>
+                        <RowConstraints vgrow="SOMETIMES"/>
+                    </rowConstraints>
+
+                </GridPane>
+            </children>
+        </VBox>
+    </children>
 </AnchorPane>

src/main/java/io/bitsquare/gui/global.css

@@ -15,6 +15,18 @@
     -fx-font-size: 14;
 }
 
+#online-label {
+    -fx-fill: green;
+}
+
+#offline-label {
+    -fx-fill: red;
+}
+
+#confidence-progress-indicator {
+    -fx-fill: null;
+}
+
 /* main nav */
 
 #nav-button {
@@ -22,6 +34,12 @@
     -fx-alignment: center;
 }
 
+#nav-alert-button {
+    -fx-background-color: transparent;
+    -fx-cursor: hand;
+    -fx-border-style: none;
+}
+
 #nav-button-label {
     -fx-font-size: 10;
     -fx-text-alignment: center;

src/main/java/io/bitsquare/gui/history/HistoryView.fxml

@@ -1,6 +1,14 @@
 <?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.Pane?>
-<Pane fx:controller="io.bitsquare.gui.history.HistoryController"
-      xmlns:fx="http://javafx.com/fxml">
-    <Label text="Histroy"/>
-</Pane>
+<?import javafx.scene.layout.*?>
+<AnchorPane fx:controller="io.bitsquare.gui.history.HistoryController" AnchorPane.bottomAnchor="30.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0"
+            xmlns:fx="http://javafx.com/fxml">
+    <children>
+        <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+            <children>
+
+                <Label id="headline-label" text="Trade history"/>
+
+            </children>
+        </VBox>
+    </children>
+</AnchorPane>

src/main/java/io/bitsquare/gui/home/HomeView.fxml

@@ -1,6 +1,14 @@
 <?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.VBox?>
-<VBox fx:id="rootContainer" fx:controller="io.bitsquare.gui.home.HomeController" spacing="10"
-      xmlns:fx="http://javafx.com/fxml">
-    <Label text="Overview"/>
-</VBox>
+<?import javafx.scene.layout.*?>
+<AnchorPane fx:controller="io.bitsquare.gui.home.HomeController" AnchorPane.bottomAnchor="30.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0"
+            xmlns:fx="http://javafx.com/fxml">
+    <children>
+        <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+            <children>
+
+                <Label id="headline-label" text="Overview"/>
+
+            </children>
+        </VBox>
+    </children>
+</AnchorPane>

src/main/java/io/bitsquare/gui/market/createOffer/CreateOfferController.java

@@ -0,0 +1,355 @@
+package io.bitsquare.gui.market.createOffer;
+
+import com.google.bitcoin.core.*;
+import com.google.bitcoin.script.Script;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.inject.Inject;
+import io.bitsquare.btc.BtcFormatter;
+import io.bitsquare.btc.Fees;
+import io.bitsquare.btc.WalletFacade;
+import io.bitsquare.gui.ChildController;
+import io.bitsquare.gui.NavigationController;
+import io.bitsquare.gui.util.Converter;
+import io.bitsquare.gui.util.Formatter;
+import io.bitsquare.gui.util.Localisation;
+import io.bitsquare.gui.util.Popups;
+import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.settings.Settings;
+import io.bitsquare.trade.Direction;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trading;
+import io.bitsquare.trade.orderbook.OrderBookFilter;
+import io.bitsquare.user.Arbitrator;
+import io.bitsquare.user.User;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.*;
+import javafx.scene.layout.AnchorPane;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.net.URL;
+import java.util.List;
+import java.util.ResourceBundle;
+
+public class CreateOfferController implements Initializable, ChildController
+{
+    private static final Logger log = LoggerFactory.getLogger(CreateOfferController.class);
+
+    private NavigationController navigationController;
+    private Trading trading;
+    private WalletFacade walletFacade;
+    private MessageFacade messageFacade;
+    private Settings settings;
+    private User user;
+    private Direction direction;
+    private Offer offer;
+
+    @FXML
+    private AnchorPane rootContainer;
+    @FXML
+    private Label buyLabel, placeOfferTitle, confirmationLabel, txTitleLabel;
+    @FXML
+    private TextField volumeTextField, amountTextField, priceTextField;
+    @FXML
+    private Button placeOfferButton, closeButton;
+    @FXML
+    private TextField collateralTextField, minAmountTextField, bankAccountTypeTextField, bankAccountCurrencyTextField, bankAccountCountyTextField,
+            acceptedCountriesTextField, acceptedLanguagesTextField, feeLabel, txTextField;
+    @FXML
+    private ProgressIndicator progressIndicator;
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Inject
+    public CreateOfferController(Trading trading, WalletFacade walletFacade, MessageFacade messageFacade, Settings settings, User user)
+    {
+        this.trading = trading;
+        this.walletFacade = walletFacade;
+        this.messageFacade = messageFacade;
+        this.settings = settings;
+        this.user = user;
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Public methods
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void setOrderBookFilter(OrderBookFilter orderBookFilter)
+    {
+        direction = orderBookFilter.getDirection();
+        amountTextField.setText(Formatter.formatPrice(orderBookFilter.getAmount()));
+        minAmountTextField.setText(Formatter.formatPrice(orderBookFilter.getAmount()));
+        priceTextField.setText(Formatter.formatPrice(orderBookFilter.getPrice()));
+        buyLabel.setText(Formatter.formatDirection(direction, false) + ":");
+        collateralTextField.setText(Formatter.formatVolume(settings.getMinCollateral()));
+        updateVolume();
+
+
+        //TODO
+        amountTextField.setText("0,01");
+        minAmountTextField.setText("0,001");
+        priceTextField.setText("500");
+        updateVolume();
+
+        amountTextField.textProperty().addListener(new ChangeListener<String>()
+        {
+            @Override
+            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
+            {
+                updateVolume();
+            }
+        });
+
+        priceTextField.textProperty().addListener(new ChangeListener<String>()
+        {
+            @Override
+            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
+            {
+                updateVolume();
+            }
+        });
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Interface implementation: Initializable
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void initialize(URL url, ResourceBundle rb)
+    {
+        bankAccountTypeTextField.setText(Localisation.get(user.getCurrentBankAccount().getBankAccountType().getType().toString()));
+        bankAccountCurrencyTextField.setText(user.getCurrentBankAccount().getCurrency().getCurrencyCode());
+        bankAccountCountyTextField.setText(user.getCurrentBankAccount().getCountryLocale().getDisplayCountry());
+        acceptedCountriesTextField.setText(Formatter.countryLocalesToString(settings.getAcceptedCountryLocales()));
+        acceptedLanguagesTextField.setText(Formatter.languageLocalesToString(settings.getAcceptedLanguageLocales()));
+        feeLabel.setText(Utils.bitcoinValueToFriendlyString(Fees.OFFER_CREATION_FEE));
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Interface implementation: ChildController
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void setNavigationController(NavigationController navigationController)
+    {
+        this.navigationController = navigationController;
+    }
+
+    @Override
+    public void cleanup()
+    {
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // UI Handlers
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onPlaceOffer(ActionEvent actionEvent)
+    {
+        if (!inputValid())
+        {
+            Popups.openWarningPopup("Invalid input", "Your input is invalid");
+            return;
+        }
+
+        int collateral = (int) (Converter.stringToDouble(collateralTextField.getText()));
+        Arbitrator arbitrator = settings.getRandomArbitrator(collateral, getAmountAsBI());
+        if (arbitrator == null)
+        {
+            Popups.openWarningPopup("No arbitrator available", "No arbitrator from your arbitrator list does match the collateral and amount value.");
+            return;
+        }
+
+        log.debug("create offer pubkey " + user.getMessagePubKeyAsHex());
+
+        offer = new Offer(user.getMessagePubKeyAsHex(),
+                direction,
+                Converter.stringToDouble(priceTextField.getText()),
+                BtcFormatter.stringValueToSatoshis(amountTextField.getText()),
+                BtcFormatter.stringValueToSatoshis(minAmountTextField.getText()),
+                user.getCurrentBankAccount().getBankAccountType().getType(),
+                user.getCurrentBankAccount().getCurrency(),
+                user.getCurrentBankAccount().getCountryLocale(),
+                user.getCurrentBankAccount().getUid(),
+                arbitrator,
+                collateral,
+                settings.getAcceptedCountryLocales(),
+                settings.getAcceptedLanguageLocales());
+
+        FutureCallback callback = new FutureCallback<Transaction>()
+        {
+            @Override
+            public void onSuccess(Transaction transaction)
+            {
+                log.info("sendResult onSuccess:" + transaction.toString());
+                offer.setOfferFeePaymentTxID(transaction.getHashAsString());
+                setupSuccessScreen(transaction);
+                placeOfferTitle.setText("Transaction sent:");
+            }
+
+            @Override
+            public void onFailure(Throwable t)
+            {
+                log.warn("sendResult onFailure:" + t.toString());
+                Popups.openErrorPopup("Fee payment failed", "Fee payment failed. " + t.toString());
+                placeOfferButton.setDisable(false);
+            }
+        };
+        try
+        {
+            trading.placeNewOffer(offer, callback);
+            messageFacade.addOffer(offer);
+            placeOfferButton.setDisable(true);
+        } catch (InsufficientMoneyException e1)
+        {
+            Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet. " + e1.getMessage());
+        } catch (IOException e1)
+        {
+            Popups.openErrorPopup("Could not publish offer", "Could not publish offer. " + e1.getMessage());
+        }
+    }
+
+    public void onClose(ActionEvent actionEvent)
+    {
+        TabPane tabPane = ((TabPane) (rootContainer.getParent().getParent()));
+        tabPane.getTabs().remove(tabPane.getSelectionModel().getSelectedItem());
+
+        navigationController.navigateToView(NavigationController.ORDER_BOOK, "Orderbook");
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Private methods
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void setupSuccessScreen(Transaction newTransaction)
+    {
+        placeOfferButton.setVisible(false);
+
+        progressIndicator.setVisible(true);
+        confirmationLabel.setVisible(true);
+        txTitleLabel.setVisible(true);
+        txTextField.setVisible(true);
+        closeButton.setVisible(true);
+
+        txTextField.setText(newTransaction.getHashAsString());
+
+        updateConfidence(newTransaction);
+
+        walletFacade.getWallet().addEventListener(new WalletEventListener()
+        {
+            @Override
+            public void onCoinsReceived(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+            }
+
+            @Override
+            public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx)
+            {
+                updateConfidence(newTransaction);
+            }
+
+            @Override
+            public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+            }
+
+            @Override
+            public void onReorganize(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onWalletChanged(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onKeysAdded(Wallet wallet, List<ECKey> keys)
+            {
+            }
+
+            @Override
+            public void onScriptsAdded(Wallet wallet, List<Script> scripts)
+            {
+            }
+        });
+    }
+
+    private void updateConfidence(Transaction tx)
+    {
+        TransactionConfidence confidence = tx.getConfidence();
+        double progressIndicatorSize = 20;
+        switch (confidence.getConfidenceType())
+        {
+            case UNKNOWN:
+                confirmationLabel.setText("");
+                progressIndicator.setProgress(0);
+                progressIndicatorSize = 50;
+                break;
+            case PENDING:
+                confirmationLabel.setText("Seen by " + confidence.numBroadcastPeers() + " peer(s) / 0 confirmations");
+                progressIndicator.setProgress(-1.0);
+                break;
+            case BUILDING:
+                confirmationLabel.setText("Confirmed in " + confidence.getDepthInBlocks() + " block(s)");
+                progressIndicator.setProgress(Math.min(1, (double) confidence.getDepthInBlocks() / 6.0));
+                progressIndicatorSize = 50;
+                break;
+            case DEAD:
+                confirmationLabel.setText("Transaction is invalid.");
+                break;
+        }
+
+        progressIndicator.setMaxHeight(progressIndicatorSize);
+        progressIndicator.setPrefHeight(progressIndicatorSize);
+        progressIndicator.setMaxWidth(progressIndicatorSize);
+        progressIndicator.setPrefWidth(progressIndicatorSize);
+    }
+
+    private void updateVolume()
+    {
+        volumeTextField.setText(Formatter.formatVolume(getVolume()));
+    }
+
+    private double getVolume()
+    {
+        double amountAsDouble = Converter.stringToDouble(amountTextField.getText());
+        double priceAsDouble = Converter.stringToDouble(priceTextField.getText());
+        return amountAsDouble * priceAsDouble;
+    }
+
+    private BigInteger getAmountAsBI()
+    {
+        return BtcFormatter.stringValueToSatoshis(amountTextField.getText());
+    }
+
+    private boolean inputValid()
+    {
+        double priceAsDouble = Converter.stringToDouble(priceTextField.getText());
+        double minAmountAsDouble = Converter.stringToDouble(minAmountTextField.getText());
+        double amountAsDouble = Converter.stringToDouble(amountTextField.getText());
+        double collateralAsDouble = Converter.stringToDouble(collateralTextField.getText());
+
+        return priceAsDouble > 0 &&
+                amountAsDouble > 0 &&
+                minAmountAsDouble > 0 &&
+                minAmountAsDouble <= amountAsDouble &&
+                collateralAsDouble >= settings.getMinCollateral() &&
+                collateralAsDouble <= settings.getMaxCollateral();
+    }
+
+}
+

src/main/java/io/bitsquare/gui/market/createOffer/CreateOfferView.fxml

@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<AnchorPane fx:id="rootContainer" prefHeight="500" prefWidth="800" AnchorPane.bottomAnchor="10.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0"
+            xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8" fx:controller="io.bitsquare.gui.market.createOffer.CreateOfferController">
+    <children>
+
+        <GridPane hgap="5.0" vgap="5.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0">
+            <children>
+                <Label id="form-header-text" text="Create new offer" GridPane.rowIndex="0"/>
+
+                <Label fx:id="buyLabel" GridPane.rowIndex="1"/>
+
+                <HBox spacing="5" GridPane.rowIndex="1" GridPane.columnIndex="1" GridPane.hgrow="NEVER" alignment="CENTER_LEFT">
+                    <TextField fx:id="amountTextField" prefWidth="70.0" alignment="CENTER_RIGHT"/>
+                    <Label text="BTC for:"/>
+                    <TextField fx:id="priceTextField" prefWidth="70.0" alignment="CENTER_RIGHT"/>
+                    <Label text="EUR ="/>
+                    <TextField fx:id="volumeTextField" prefWidth="70.0" alignment="CENTER_RIGHT" editable="false"/>
+                    <Label text="EUR in total"/>
+                </HBox>
+
+                <Label text="Min. Amount:" GridPane.rowIndex="2"/>
+                <TextField fx:id="minAmountTextField" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+
+                <Label text="Collateral (%):" GridPane.rowIndex="3"/>
+                <TextField fx:id="collateralTextField" GridPane.columnIndex="1" GridPane.rowIndex="3"/>
+
+
+                <Label id="form-header-text" text="Offer details" GridPane.rowIndex="4">
+                    <GridPane.margin>
+                        <Insets top="10.0"/>
+                    </GridPane.margin>
+                </Label>
+
+                <Label text="Bank account type:" GridPane.rowIndex="5"/>
+                <TextField fx:id="bankAccountTypeTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="5"/>
+
+                <Label text="Bank account currency:" GridPane.rowIndex="6"/>
+                <TextField fx:id="bankAccountCurrencyTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="6"/>
+
+                <Label text="Bank account county:" GridPane.rowIndex="7"/>
+                <TextField fx:id="bankAccountCountyTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="7"/>
+
+                <Label text="Accepted countries:" GridPane.rowIndex="8"/>
+                <TextField fx:id="acceptedCountriesTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="8"/>
+
+                <Label text="Accepted languages:" GridPane.rowIndex="9"/>
+                <TextField fx:id="acceptedLanguagesTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="9"/>
+
+
+                <Label id="form-header-text" fx:id="placeOfferTitle" text="Place offer:" GridPane.rowIndex="10">
+                    <GridPane.margin>
+                        <Insets top="10.0"/>
+                    </GridPane.margin>
+                </Label>
+
+                <Label text="Offer fee:" GridPane.rowIndex="11"/>
+                <TextField fx:id="feeLabel" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="11"/>
+
+                <Button fx:id="placeOfferButton" defaultButton="true" onAction="#onPlaceOffer" text="Place offer" GridPane.columnIndex="1" GridPane.rowIndex="12"/>
+
+                <Label fx:id="txTitleLabel" text="Transaction ID:" visible="false" GridPane.rowIndex="12"/>
+                <TextField fx:id="txTextField" visible="false" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="12"/>
+                <ProgressIndicator fx:id="progressIndicator" id="confidence-progress-indicator" visible="false" progress="0" GridPane.columnIndex="2" GridPane.halignment="LEFT"
+                                   GridPane.rowIndex="12"
+                                   GridPane.rowSpan="2" GridPane.valignment="TOP">
+                    <GridPane.margin>
+                        <Insets top="2.0"/>
+                    </GridPane.margin>
+                </ProgressIndicator>
+                <Label fx:id="confirmationLabel" visible="false" text="Checking confirmations..." GridPane.columnIndex="3" GridPane.rowIndex="12"/>
+
+                <Button fx:id="closeButton" visible="false" defaultButton="true" onAction="#onClose" text="Close" GridPane.columnIndex="1" GridPane.rowIndex="13"/>
+
+            </children>
+
+            <columnConstraints>
+                <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES"/>
+                <ColumnConstraints hgrow="ALWAYS" minWidth="400"/>
+                <ColumnConstraints hgrow="SOMETIMES" prefWidth="20.0" minWidth="20"/>
+                <ColumnConstraints hgrow="SOMETIMES"/>
+            </columnConstraints>
+            <rowConstraints>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+                <RowConstraints vgrow="SOMETIMES"/>
+            </rowConstraints>
+            <opaqueInsets>
+                <Insets/>
+            </opaqueInsets>
+
+        </GridPane>
+    </children>
+</AnchorPane>

src/main/java/io/bitsquare/gui/market/offer/CreateOfferController.java

@@ -1,299 +0,0 @@
-package io.bitsquare.gui.market.offer;
-
-import com.google.bitcoin.core.InsufficientMoneyException;
-import com.google.bitcoin.core.Transaction;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.inject.Inject;
-import io.bitsquare.btc.BtcFormatter;
-import io.bitsquare.btc.Fees;
-import io.bitsquare.btc.WalletFacade;
-import io.bitsquare.gui.ChildController;
-import io.bitsquare.gui.NavigationController;
-import io.bitsquare.gui.components.ConfirmationComponent;
-import io.bitsquare.gui.util.*;
-import io.bitsquare.settings.Settings;
-import io.bitsquare.trade.Direction;
-import io.bitsquare.trade.Offer;
-import io.bitsquare.trade.Trading;
-import io.bitsquare.trade.orderbook.OrderBookFilter;
-import io.bitsquare.user.Arbitrator;
-import io.bitsquare.user.User;
-import javafx.beans.value.ChangeListener;
-import javafx.beans.value.ObservableValue;
-import javafx.fxml.FXML;
-import javafx.fxml.Initializable;
-import javafx.scene.control.Button;
-import javafx.scene.control.Label;
-import javafx.scene.control.TabPane;
-import javafx.scene.control.TextField;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.GridPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.math.BigInteger;
-import java.net.URL;
-import java.util.ResourceBundle;
-
-public class CreateOfferController implements Initializable, ChildController, WalletFacade.WalletListener
-{
-    private static final Logger log = LoggerFactory.getLogger(CreateOfferController.class);
-
-    private NavigationController navigationController;
-    private Trading trading;
-    private WalletFacade walletFacade;
-    private Settings settings;
-    private User user;
-    private Direction direction;
-    private Offer offer;
-    private int gridRow;
-
-    private Button placeOfferButton;
-    private TextField collateralTextField, minAmountTextField;
-
-    @FXML
-    private AnchorPane holderPane;
-    @FXML
-    private GridPane formGridPane;
-    @FXML
-    public Label buyLabel;
-    @FXML
-    public TextField volumeTextField, amountTextField, priceTextField;
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Constructor
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Inject
-    public CreateOfferController(Trading trading, WalletFacade walletFacade, Settings settings, User user)
-    {
-        this.trading = trading;
-        this.walletFacade = walletFacade;
-        this.settings = settings;
-        this.user = user;
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Public methods
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public void setOrderBookFilter(OrderBookFilter orderBookFilter)
-    {
-        direction = orderBookFilter.getDirection();
-        amountTextField.setText(Formatter.formatPrice(orderBookFilter.getAmount()));
-        minAmountTextField.setText(Formatter.formatPrice(orderBookFilter.getAmount()));
-        priceTextField.setText(Formatter.formatPrice(orderBookFilter.getPrice()));
-        buyLabel.setText(Formatter.formatDirection(direction, false) + ":");
-        collateralTextField.setText(Formatter.formatVolume(settings.getMinCollateral()));
-        updateVolume();
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Interface implementation: Initializable
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void initialize(URL url, ResourceBundle rb)
-    {
-        walletFacade.addRegistrationWalletListener(this);
-
-        buildScreen();
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Interface implementation: ChildController
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void setNavigationController(NavigationController navigationController)
-    {
-        this.navigationController = navigationController;
-    }
-
-    @Override
-    public void cleanup()
-    {
-
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Interface implementation: WalletFacade.WalletListener
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    @Override
-    public void onConfidenceChanged(int numBroadcastPeers, int depthInBlocks)
-    {
-        log.info("onConfidenceChanged " + numBroadcastPeers + " / " + depthInBlocks);
-    }
-
-    @Override
-    public void onCoinsReceived(BigInteger newBalance)
-    {
-        log.info("onCoinsReceived " + newBalance);
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Private methods
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    private void buildScreen()
-    {
-        gridRow = 1;
-        minAmountTextField = FormBuilder.addTextField(formGridPane, "Min. Amount:", String.valueOf(settings.getMaxCollateral()), ++gridRow, true, true);
-        collateralTextField = FormBuilder.addTextField(formGridPane, "Collateral (%):", String.valueOf(settings.getMaxCollateral() * 100), ++gridRow, true, true);
-
-        FormBuilder.addVSpacer(formGridPane, ++gridRow);
-        FormBuilder.addHeaderLabel(formGridPane, "Offer details:", ++gridRow);
-        FormBuilder.addTextField(formGridPane, "Bank account type:", Localisation.get(user.getCurrentBankAccount().getBankAccountType().getType().toString()), ++gridRow);
-        FormBuilder.addTextField(formGridPane, "Bank account currency:", user.getCurrentBankAccount().getCurrency().getCurrencyCode(), ++gridRow);
-        FormBuilder.addTextField(formGridPane, "Bank account county:", user.getCurrentBankAccount().getCountryLocale().getDisplayCountry(), ++gridRow);
-        FormBuilder.addTextField(formGridPane, "Accepted countries:", Formatter.countryLocalesToString(settings.getAcceptedCountryLocales()), ++gridRow);
-        FormBuilder.addTextField(formGridPane, "Accepted languages:", Formatter.languageLocalesToString(settings.getAcceptedLanguageLocales()), ++gridRow);
-
-        FormBuilder.addVSpacer(formGridPane, ++gridRow);
-        Label placeOfferTitle = FormBuilder.addHeaderLabel(formGridPane, "Place offer:", ++gridRow);
-
-        TextField feeLabel = FormBuilder.addTextField(formGridPane, "Offer fee:", BtcFormatter.formatSatoshis(Fees.OFFER_CREATION_FEE, true), ++gridRow);
-        feeLabel.setMouseTransparent(true);
-
-        placeOfferButton = new Button("Place offer");
-        formGridPane.add(placeOfferButton, 1, ++gridRow);
-        placeOfferButton.setDefaultButton(true);
-
-        // handlers
-        amountTextField.textProperty().addListener(new ChangeListener<String>()
-        {
-            @Override
-            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
-            {
-                updateVolume();
-            }
-        });
-
-        priceTextField.textProperty().addListener(new ChangeListener<String>()
-        {
-            @Override
-            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
-            {
-                updateVolume();
-            }
-        });
-
-        placeOfferButton.setOnAction(e -> {
-            if (!inputValid())
-            {
-                Popups.openWarningPopup("Invalid input", "Your input is invalid");
-                return;
-            }
-
-            double collateralAsDouble = Converter.stringToDouble(collateralTextField.getText()) / 100;
-            Arbitrator arbitrator = settings.getRandomArbitrator(collateralAsDouble, getAmountAsBI());
-            if (arbitrator == null)
-            {
-                Popups.openWarningPopup("No arbitrator available", "No arbitrator from your arbitrator list does match the collateral and amount value.");
-                return;
-            }
-
-            offer = new Offer(user.getAccountID(),
-                    user.getMessageID(),
-                    direction,
-                    Converter.stringToDouble(priceTextField.getText()),
-                    BtcFormatter.stringValueToSatoshis(amountTextField.getText()),
-                    BtcFormatter.stringValueToSatoshis(minAmountTextField.getText()),
-                    user.getCurrentBankAccount().getBankAccountType().getType(),
-                    user.getCurrentBankAccount().getCurrency(),
-                    user.getCurrentBankAccount().getCountryLocale(),
-                    arbitrator,
-                    collateralAsDouble,
-                    settings.getAcceptedCountryLocales(),
-                    settings.getAcceptedLanguageLocales());
-
-            FutureCallback callback = new FutureCallback<Transaction>()
-            {
-                @Override
-                public void onSuccess(Transaction transaction)
-                {
-                    log.info("sendResult onSuccess:" + transaction.toString());
-                    offer.setOfferPaymentTxID(transaction.getHashAsString());
-                    buildConfirmationView(transaction.getHashAsString());
-                    placeOfferTitle.setText("Transaction sent:");
-                    formGridPane.getChildren().remove(placeOfferButton);
-                }
-
-                @Override
-                public void onFailure(Throwable t)
-                {
-                    log.warn("sendResult onFailure:" + t.toString());
-                    Popups.openErrorPopup("Fee payment failed", "Fee payment failed. " + t.toString());
-                }
-            };
-            try
-            {
-                trading.placeNewOffer(offer, callback);
-
-            } catch (InsufficientMoneyException e1)
-            {
-                Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet.");
-            }
-
-        });
-    }
-
-    private void buildConfirmationView(String txID)
-    {
-        FormBuilder.addTextField(formGridPane, "Transaction ID:", txID, ++gridRow, false, true);
-
-        new ConfirmationComponent(walletFacade, formGridPane, ++gridRow);
-
-        Button closeButton = new Button("Close");
-        formGridPane.add(closeButton, 1, ++gridRow);
-        closeButton.setDefaultButton(true);
-
-
-        closeButton.setOnAction(e -> {
-            TabPane tabPane = ((TabPane) (holderPane.getParent().getParent()));
-            tabPane.getTabs().remove(tabPane.getSelectionModel().getSelectedItem());
-
-            navigationController.navigateToView(NavigationController.ORDER_BOOK, "Orderbook");
-        });
-    }
-
-    private boolean inputValid()
-    {
-        double priceAsDouble = Converter.stringToDouble(priceTextField.getText());
-        double minAmountAsDouble = Converter.stringToDouble(minAmountTextField.getText());
-        double amountAsDouble = Converter.stringToDouble(amountTextField.getText());
-        double collateralAsDouble = Converter.stringToDouble(collateralTextField.getText());
-
-        return priceAsDouble > 0 &&
-                amountAsDouble > 0 &&
-                minAmountAsDouble > 0 &&
-                minAmountAsDouble <= amountAsDouble &&
-                collateralAsDouble >= settings.getMinCollateral() &&
-                collateralAsDouble <= settings.getMaxCollateral();
-    }
-
-    private void updateVolume()
-    {
-        volumeTextField.setText(Formatter.formatVolume(getVolume()));
-    }
-
-    private double getVolume()
-    {
-        double amountAsDouble = Converter.stringToDouble(amountTextField.getText());
-        double priceAsDouble = Converter.stringToDouble(priceTextField.getText());
-        return amountAsDouble * priceAsDouble;
-    }
-
-    private BigInteger getAmountAsBI()
-    {
-        return BtcFormatter.stringValueToSatoshis(amountTextField.getText());
-    }
-}
-

src/main/java/io/bitsquare/gui/market/offer/CreateOfferView.fxml

@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<?import javafx.geometry.Insets?>
-<?import javafx.scene.control.*?>
-<?import javafx.scene.layout.*?>
-<AnchorPane fx:id="holderPane" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0"
-            AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" xmlns:fx="http://javafx.com/fxml/1"
-            fx:controller="io.bitsquare.gui.market.offer.CreateOfferController">
-    <VBox spacing="10" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="5.0"
-          AnchorPane.bottomAnchor="10.0">
-        <GridPane fx:id="formGridPane" vgap="5" hgap="5">
-            <Label id="form-header-text" text="Create new offer:" GridPane.rowIndex="0"
-                   GridPane.columnIndex="0"/>
-
-            <Label fx:id="buyLabel" text="Buy" GridPane.rowIndex="1" GridPane.columnIndex="0"/>
-
-            <HBox GridPane.rowIndex="1" GridPane.columnIndex="1" GridPane.hgrow="NEVER" spacing="5"
-                  alignment="CENTER_RIGHT">
-                <TextField fx:id="amountTextField" prefWidth="70.0" alignment="CENTER_RIGHT"/>
-                <Label text="BTC for:"/>
-                <TextField fx:id="priceTextField" prefWidth="70.0" alignment="CENTER_RIGHT"/>
-                <Label text="EUR ="/>
-                <TextField fx:id="volumeTextField" prefWidth="70.0" alignment="CENTER_RIGHT" editable="false"
-                           mouseTransparent="true"/>
-                <Label text="EUR in total"/>
-            </HBox>
-
-            <padding>
-                <Insets bottom="5.0" left="5.0" right="5.0" top="5.0"/>
-            </padding>
-
-            <columnConstraints>
-                <ColumnConstraints halignment="RIGHT"/>
-                <ColumnConstraints halignment="LEFT"/>
-                <ColumnConstraints halignment="LEFT"/>
-            </columnConstraints>
-        </GridPane>
-    </VBox>
-</AnchorPane>

src/main/java/io/bitsquare/gui/market/orderbook/OrderBookController.java

@@ -5,16 +5,20 @@ import io.bitsquare.bank.BankAccountType;
 import io.bitsquare.btc.BtcFormatter;
 import io.bitsquare.gui.ChildController;
 import io.bitsquare.gui.NavigationController;
-import io.bitsquare.gui.market.offer.CreateOfferController;
-import io.bitsquare.gui.market.trade.TradeController;
+import io.bitsquare.gui.market.createOffer.CreateOfferController;
+import io.bitsquare.gui.market.trade.TakerTradeController;
 import io.bitsquare.gui.util.Converter;
 import io.bitsquare.gui.util.Formatter;
 import io.bitsquare.gui.util.Icons;
 import io.bitsquare.gui.util.Localisation;
+import io.bitsquare.msg.MessageFacade;
 import io.bitsquare.trade.Direction;
+import io.bitsquare.trade.Offer;
 import io.bitsquare.trade.orderbook.OrderBook;
 import io.bitsquare.trade.orderbook.OrderBookFilter;
 import io.bitsquare.user.User;
+import io.bitsquare.util.Utilities;
+import javafx.animation.AnimationTimer;
 import javafx.beans.property.ReadOnlyObjectWrapper;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
@@ -31,6 +35,7 @@ import javafx.util.Callback;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
 import java.math.BigInteger;
 import java.net.URL;
 import java.text.DecimalFormat;
@@ -47,7 +52,8 @@ public class OrderBookController implements Initializable, ChildController
     private SortedList<OrderBookListItem> offerList;
     private final OrderBookFilter orderBookFilter;
     private User user;
-
+    private MessageFacade messageFacade;
+    private AnimationTimer pollingTimer;
 
     private Image buyIcon = Icons.getIconImage(Icons.BUY);
     private Image sellIcon = Icons.getIconImage(Icons.SELL);
@@ -67,17 +73,30 @@ public class OrderBookController implements Initializable, ChildController
     @FXML
     public Button createOfferButton;
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     @Inject
-    public OrderBookController(OrderBook orderBook, OrderBookFilter orderBookFilter, User user)
+    public OrderBookController(OrderBook orderBook, OrderBookFilter orderBookFilter, User user, MessageFacade messageFacade)
     {
         this.orderBook = orderBook;
         this.orderBookFilter = orderBookFilter;
         this.user = user;
+        this.messageFacade = messageFacade;
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Interface implementation: Initializable
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     @Override
     public void initialize(URL url, ResourceBundle rb)
     {
+        orderBook.init();
+
         // setup table
         setCountryColumnCellFactory();
         setBankAccountTypeColumnCellFactory();
@@ -88,6 +107,8 @@ public class OrderBookController implements Initializable, ChildController
         orderBookTable.getSortOrder().add(priceColumn);
         orderBookTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
 
+        orderBook.loadOffers();
+
         // handlers
         amount.textProperty().addListener(new ChangeListener<String>()
         {
@@ -109,20 +130,21 @@ public class OrderBookController implements Initializable, ChildController
             }
         });
 
-        orderBookFilter.getChangedProperty().addListener(new ChangeListener<Boolean>()
+        orderBookFilter.getDirectionChangedProperty().addListener(new ChangeListener<Boolean>()
         {
             @Override
             public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue)
             {
-                updateOfferList();
+                applyOffers();
             }
         });
-        user.getChangedProperty().addListener(new ChangeListener<Boolean>()
+
+        user.getBankAccountChangedProperty().addListener(new ChangeListener<Boolean>()
         {
             @Override
             public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue)
             {
-                updateOfferList();
+                orderBook.loadOffers();
             }
         });
 
@@ -130,8 +152,16 @@ public class OrderBookController implements Initializable, ChildController
             ChildController nextController = navigationController.navigateToView(NavigationController.CREATE_OFFER, "Create offer");
             ((CreateOfferController) nextController).setOrderBookFilter(orderBookFilter);
         });
+
+        //TODO do polling until broadcast works
+        setupPolling();
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Interface implementation: ChildController
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     @Override
     public void setNavigationController(NavigationController navigationController)
     {
@@ -141,12 +171,24 @@ public class OrderBookController implements Initializable, ChildController
     @Override
     public void cleanup()
     {
+        orderBook.cleanup();
+
         orderBookTable.setItems(null);
         orderBookTable.getSortOrder().clear();
         offerList.comparatorProperty().unbind();
+
+        if (pollingTimer != null)
+        {
+            pollingTimer.stop();
+            pollingTimer = null;
+        }
     }
 
 
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Public methods
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     public void setDirection(Direction direction)
     {
         orderBookTable.getSelectionModel().clearSelection();
@@ -155,21 +197,36 @@ public class OrderBookController implements Initializable, ChildController
     }
 
 
-    private void openTradeTab(OrderBookListItem orderBookListItem)
-    {
-        String title = orderBookListItem.getOffer().getDirection() == Direction.BUY ? "Trade: Sell Bitcoin" : "Trade: Buy Bitcoin";
-        TradeController tradeController = (TradeController) navigationController.navigateToView(NavigationController.TRADE, title);
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Private methods
+    ///////////////////////////////////////////////////////////////////////////////////////////
 
-        BigInteger requestedAmount = orderBookListItem.getOffer().getAmount();
+    private void takeOffer(Offer offer)
+    {
+        String title = offer.getDirection() == Direction.BUY ? "Trade: Sell Bitcoin" : "Trade: Buy Bitcoin";
+        TakerTradeController takerTradeController = (TakerTradeController) navigationController.navigateToView(NavigationController.TAKER_TRADE, title);
+
+        BigInteger requestedAmount = offer.getAmount();
         if (!amount.getText().equals(""))
             requestedAmount = BtcFormatter.stringValueToSatoshis(amount.getText());
 
-        tradeController.initWithData(orderBookListItem.getOffer(), requestedAmount);
+        takerTradeController.initWithData(offer, requestedAmount);
     }
 
-    private void updateOfferList()
+    private void removeOffer(Offer offer)
     {
-        orderBook.updateFilter(orderBookFilter);
+        try
+        {
+            orderBook.removeOffer(offer);
+        } catch (IOException e)
+        {
+            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+        }
+    }
+
+    private void applyOffers()
+    {
+        orderBook.applyFilter(orderBookFilter);
 
         priceColumn.setSortType((orderBookFilter.getDirection() == Direction.BUY) ? TableColumn.SortType.ASCENDING : TableColumn.SortType.DESCENDING);
         orderBookTable.sort();
@@ -178,6 +235,34 @@ public class OrderBookController implements Initializable, ChildController
             createOfferButton.setDefaultButton(orderBookTable.getItems().size() == 0);
     }
 
+    private void setupPolling()
+    {
+
+        pollingTimer = Utilities.setInterval(1000, (AnimationTimer animationTimer) -> {
+            try
+            {
+                messageFacade.getDirtyFlag(user.getCurrentBankAccount().getCurrency());
+            } catch (IOException e)
+            {
+                e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+            }
+            return null;
+        });
+        messageFacade.getIsDirtyProperty().addListener(new ChangeListener<Boolean>()
+        {
+            @Override
+            public void changed(ObservableValue<? extends Boolean> observableValue, Boolean oldValue, Boolean newValue)
+            {
+                //log.info("getIsDirtyProperty changed " + oldValue + "/" + newValue);
+                orderBook.loadOffers();
+            }
+        });
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Table columns
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     private void setDirectionColumnCellFactory()
     {
         directionColumn.setCellValueFactory((offer) -> new ReadOnlyObjectWrapper(offer.getValue()));
@@ -205,22 +290,35 @@ public class OrderBookController implements Initializable, ChildController
                         {
                             String title;
                             Image icon;
-                            if (orderBookListItem.getOffer().getDirection() == Direction.SELL)
+                            Offer offer = orderBookListItem.getOffer();
+
+                            if (offer.getMessagePubKeyAsHex().equals(user.getMessagePubKeyAsHex()))
                             {
-                                icon = buyIcon;
-                                title = Formatter.formatDirection(Direction.BUY, true);
+                                icon = Icons.getIconImage(Icons.REMOVE);
+                                title = "Remove";
+                                button.setOnAction(event -> removeOffer(orderBookListItem.getOffer()));
                             }
                             else
                             {
-                                icon = sellIcon;
-                                title = Formatter.formatDirection(Direction.SELL, true);
+                                if (offer.getDirection() == Direction.SELL)
+                                {
+                                    icon = buyIcon;
+                                    title = Formatter.formatDirection(Direction.BUY, true);
+                                }
+                                else
+                                {
+                                    icon = sellIcon;
+                                    title = Formatter.formatDirection(Direction.SELL, true);
+                                }
+
+                                button.setDefaultButton(getIndex() == 0);
+                                button.setOnAction(event -> takeOffer(orderBookListItem.getOffer()));
                             }
+
+
                             iconView.setImage(icon);
                             button.setText(title);
                             setGraphic(button);
-
-                            button.setDefaultButton(getIndex() == 0);
-                            button.setOnAction(event -> openTradeTab(orderBookListItem));
                         }
                         else
                         {
@@ -305,6 +403,11 @@ public class OrderBookController implements Initializable, ChildController
         });
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Utils
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     private double textInputToNumber(String oldValue, String newValue)
     {
         //TODO use regex.... or custom textfield component
@@ -330,24 +433,5 @@ public class OrderBookController implements Initializable, ChildController
         double p = textInputToNumber(price.getText(), price.getText());
         volume.setText(Formatter.formatPrice(a * p));
     }
-
-
-    // the scrollbar width is not handled correctly from the layout initially
-  /*  private void forceTableLayoutUpdate()
-    {
-        final List<OrderBookListItem> items = orderBookTable.getItems();
-        if (items == null || items.size() == 0) return;
-
-        final OrderBookListItem item = orderBookTable.getItems().get(0);
-        items.remove(0);
-        Platform.runLater(new Runnable()
-        {
-            @Override
-            public void run()
-            {
-                items.add(0, item);
-            }
-        });
-    }   */
 }
 

src/main/java/io/bitsquare/gui/market/orderbook/OrderBookListItem.java

@@ -1,5 +1,6 @@
 package io.bitsquare.gui.market.orderbook;
 
+import io.bitsquare.btc.BtcFormatter;
 import io.bitsquare.gui.util.Formatter;
 import io.bitsquare.trade.Offer;
 import javafx.beans.property.SimpleStringProperty;
@@ -10,19 +11,22 @@ import javafx.beans.property.StringProperty;
  */
 public class OrderBookListItem
 {
-    private final StringProperty price = new SimpleStringProperty();
-    private final StringProperty amount = new SimpleStringProperty();
-    private final StringProperty volume = new SimpleStringProperty();
+    protected final StringProperty price = new SimpleStringProperty();
+    protected final StringProperty amount = new SimpleStringProperty();
+    protected final StringProperty volume = new SimpleStringProperty();
 
-    private Offer offer;
+    protected Offer offer;
 
 
     public OrderBookListItem(Offer offer)
     {
         this.offer = offer;
 
+        double amountAsBtcDouble = BtcFormatter.satoshiToBTC(offer.getAmount());
+        double minAmountAsBtcDouble = BtcFormatter.satoshiToBTC(offer.getMinAmount());
+
         this.price.set(Formatter.formatPrice(offer.getPrice()));
-        this.amount.set(Formatter.formatAmountWithMinAmount(offer.getAmount().doubleValue(), offer.getMinAmount().doubleValue()));
+        this.amount.set(Formatter.formatAmountWithMinAmount(amountAsBtcDouble, minAmountAsBtcDouble));
         this.volume.set(Formatter.formatVolumeWithMinVolume(offer.getVolume(), offer.getMinVolume()));
     }
 

src/main/java/io/bitsquare/gui/market/trade/TakerTradeController.java

@@ -1,8 +1,5 @@
 package io.bitsquare.gui.market.trade;
 
-import com.google.bitcoin.core.InsufficientMoneyException;
-import com.google.bitcoin.core.Transaction;
-import com.google.common.util.concurrent.FutureCallback;
 import com.google.inject.Inject;
 import io.bitsquare.btc.BlockChainFacade;
 import io.bitsquare.btc.BtcFormatter;
@@ -16,12 +13,17 @@ import io.bitsquare.gui.util.Converter;
 import io.bitsquare.gui.util.FormBuilder;
 import io.bitsquare.gui.util.Formatter;
 import io.bitsquare.gui.util.Popups;
-import io.bitsquare.trade.*;
-import io.bitsquare.util.Utils;
+import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.trade.Direction;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trade;
+import io.bitsquare.trade.Trading;
+import io.bitsquare.trade.taker.TakerPaymentProtocol;
+import io.bitsquare.trade.taker.TakerPaymentProtocolListener;
+import io.bitsquare.util.Utilities;
 import javafx.animation.AnimationTimer;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
-import javafx.scene.Node;
 import javafx.scene.control.*;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.GridPane;
@@ -35,17 +37,16 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.ResourceBundle;
 
-public class TradeController implements Initializable, ChildController, WalletFacade.WalletListener
+public class TakerTradeController implements Initializable, ChildController, WalletFacade.WalletListener
 {
-    private static final Logger log = LoggerFactory.getLogger(TradeController.class);
-    private static final int SIM_DELAY = 2000;
+    private static final Logger log = LoggerFactory.getLogger(TakerTradeController.class);
 
     private Trading trading;
     private WalletFacade walletFacade;
     private BlockChainFacade blockChainFacade;
+    private MessageFacade messageFacade;
     private Offer offer;
     private Trade trade;
-    private Contract contract;
     private BigInteger requestedAmount;
     private boolean offererIsOnline;
     private int row;
@@ -53,10 +54,14 @@ public class TradeController implements Initializable, ChildController, WalletFa
     private List<ProcessStepItem> processStepItems = new ArrayList();
 
     private NavigationController navigationController;
-    private TextField amountTextField, totalToPayLabel, totalLabel, collateralTextField;
+    private TextField amountTextField, totalToPayLabel, totalLabel, collateralTextField, isOnlineTextField;
     private Label statusTextField, infoLabel;
     private Button nextButton;
     private ProgressBar progressBar;
+    private AnimationTimer checkOnlineStatusTimer;
+    private Pane isOnlineCheckerHolder;
+    TakerPaymentProtocol takerPaymentProtocol;
+    private Label headerLabel;
 
     @FXML
     private AnchorPane rootContainer;
@@ -71,11 +76,12 @@ public class TradeController implements Initializable, ChildController, WalletFa
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     @Inject
-    public TradeController(Trading trading, WalletFacade walletFacade, BlockChainFacade blockChainFacade)
+    public TakerTradeController(Trading trading, WalletFacade walletFacade, BlockChainFacade blockChainFacade, MessageFacade messageFacade)
     {
         this.trading = trading;
         this.walletFacade = walletFacade;
         this.blockChainFacade = blockChainFacade;
+        this.messageFacade = messageFacade;
     }
 
 
@@ -88,9 +94,9 @@ public class TradeController implements Initializable, ChildController, WalletFa
         this.offer = offer;
         this.requestedAmount = requestedAmount.compareTo(BigInteger.ZERO) > 0 ? requestedAmount : offer.getAmount();
 
-        trade = trading.createTrade(offer);
-        trade.setTradeAmount(requestedAmount);
-        contract = trading.createContract(trade);
+        // trade = trading.createTrade(offer);
+        //trade.setTradeAmount(requestedAmount);
+        //contract = trading.createContract(trade);
 
         processStepItems.add(new ProcessStepItem(takerIsSelling() ? "Sell BTC" : "Buy BTC"));
         processStepItems.add(new ProcessStepItem("Bank transfer"));
@@ -125,7 +131,13 @@ public class TradeController implements Initializable, ChildController, WalletFa
     @Override
     public void cleanup()
     {
+        if (checkOnlineStatusTimer != null)
+        {
+            checkOnlineStatusTimer.stop();
+            checkOnlineStatusTimer = null;
+        }
 
+        walletFacade.removeRegistrationWalletListener(this);
     }
 
 
@@ -136,15 +148,20 @@ public class TradeController implements Initializable, ChildController, WalletFa
     @Override
     public void onConfidenceChanged(int numBroadcastPeers, int depthInBlocks)
     {
-        log.info("onConfidenceChanged " + numBroadcastPeers + " / " + depthInBlocks);
+        //log.info("onConfidenceChanged " + numBroadcastPeers + " / " + depthInBlocks);
     }
 
     @Override
     public void onCoinsReceived(BigInteger newBalance)
     {
-        log.info("onCoinsReceived " + newBalance);
+        //log.info("onCoinsReceived " + newBalance);
     }
 
+    //TODO
+    public void onPingPeerResult(boolean success)
+    {
+        setIsOnlineStatus(success);
+    }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Private methods
@@ -173,24 +190,29 @@ public class TradeController implements Initializable, ChildController, WalletFa
         FormBuilder.addTextField(gridPane, "Offer fee (BTC):", BtcFormatter.formatSatoshis(Fees.OFFER_TAKER_FEE, false), ++row);
         totalToPayLabel = FormBuilder.addTextField(gridPane, "Total to pay (BTC):", getTotalToPay(), ++row);
 
+        isOnlineTextField = FormBuilder.addTextField(gridPane, "Online status:", "Checking offerers online status...", ++row);
+        ProgressIndicator isOnlineChecker = new ProgressIndicator();
+        isOnlineChecker.setPrefSize(20, 20);
+        isOnlineChecker.setLayoutY(3);
+        isOnlineCheckerHolder = new Pane();
+        isOnlineCheckerHolder.getChildren().addAll(isOnlineChecker);
+        gridPane.add(isOnlineCheckerHolder, 2, row);
+
+        messageFacade.pingPeer(offer.getMessagePubKeyAsHex());
+        checkOnlineStatusTimer = Utilities.setTimeout(5000, (AnimationTimer animationTimer) -> {
+            setIsOnlineStatus(false);
+            return null;
+        });
+
         nextButton = FormBuilder.addButton(gridPane, "Take offer and pay", ++row);
         nextButton.setDefaultButton(true);
-        nextButton.setOnAction(e -> initTrade());
+        nextButton.setOnAction(e -> takeOffer());
 
         // details
         FormBuilder.addVSpacer(gridPane, ++row);
         FormBuilder.addHeaderLabel(gridPane, "Offerer details:", ++row);
-        TextField isOnlineTextField = FormBuilder.addTextField(gridPane, "Online status:", "Checking offerers online status...", ++row);
-        ProgressIndicator isOnlineChecker = new ProgressIndicator();
-        isOnlineChecker.setPrefSize(20, 20);
-        isOnlineChecker.setLayoutY(3);
-        Pane isOnlineCheckerHolder = new Pane();
-        isOnlineCheckerHolder.getChildren().addAll(isOnlineChecker);
-        gridPane.add(isOnlineCheckerHolder, 2, row);
-        checkIfOffererIsOnline(isOnlineCheckerHolder, isOnlineTextField);
-
         FormBuilder.addTextField(gridPane, "Bank account type:", offer.getBankAccountTypeEnum().toString(), ++row);
-        FormBuilder.addTextField(gridPane, "Bank account country:", offer.getBankAccountCountryLocale().getDisplayCountry(), ++row);
+        FormBuilder.addTextField(gridPane, "Country:", offer.getBankAccountCountryLocale().getDisplayCountry(), ++row);
         FormBuilder.addTextField(gridPane, "Arbitrator:", offer.getArbitrator().getName(), ++row);
         Label arbitratorLink = new Label(offer.getArbitrator().getUrl());
         arbitratorLink.setId("label-url");
@@ -198,23 +220,18 @@ public class TradeController implements Initializable, ChildController, WalletFa
         arbitratorLink.setOnMouseClicked(e -> {
             try
             {
-                Utils.openURL(offer.getArbitrator().getUrl());
+                Utilities.openURL(offer.getArbitrator().getUrl());
             } catch (Exception e1)
             {
                 log.warn(e1.toString());
             }
         });
 
-        FormBuilder.addVSpacer(gridPane, ++row);
-        FormBuilder.addHeaderLabel(gridPane, "More details:", ++row);
-        FormBuilder.addTextField(gridPane, "Offer ID:", offer.getUid().toString(), ++row);
-        FormBuilder.addTextField(gridPane, "Account ID:", offer.getAccountID(), ++row);
-        FormBuilder.addTextField(gridPane, "Messaging ID:", offer.getMessageID(), ++row);
         FormBuilder.addTextField(gridPane, "Supported languages:", Formatter.languageLocalesToString(offer.getAcceptedLanguageLocales()), ++row);
         FormBuilder.addTextField(gridPane, "Supported countries:", Formatter.countryLocalesToString(offer.getAcceptedCountryLocales()), ++row);
     }
 
-    private void initTrade()
+    private void takeOffer()
     {
         if (!tradeAmountValid())
         {
@@ -222,7 +239,7 @@ public class TradeController implements Initializable, ChildController, WalletFa
             return;
         }
 
-        if (!blockChainFacade.verifyEmbeddedData(offer.getAccountID()))
+       /* if (!blockChainFacade.verifyAccountRegistration(offer.getAccountID()))
         {
             Popups.openErrorPopup("Offerers account ID not valid", "Offerers registration tx is not found in blockchain or does not match the requirements.");
             return;
@@ -232,7 +249,7 @@ public class TradeController implements Initializable, ChildController, WalletFa
         {
             Popups.openErrorPopup("Offerers account ID is blacklisted", "Offerers account ID is blacklisted.");
             return;
-        }
+        }  */
 
         amountTextField.setEditable(false);
 
@@ -258,101 +275,80 @@ public class TradeController implements Initializable, ChildController, WalletFa
         progressIndicatorHolder.getChildren().addAll(progressIndicator);
         gridPane.add(progressIndicatorHolder, 1, row);
 
+        trade = trading.createTrade(offer);
         trade.setTradeAmount(BtcFormatter.stringValueToSatoshis(amountTextField.getText()));
 
-        trading.sendTakeOfferRequest(trade);
-        Utils.setTimeout(SIM_DELAY, (AnimationTimer animationTimer) -> {
-            onTakeOfferRequestConfirmed();
-            progressBar.setProgress(1.0 / 3.0);
-            return null;
-        });
-    }
-
-    private void onTakeOfferRequestConfirmed()
-    {
-        FutureCallback callback = new FutureCallback<Transaction>()
+        takerPaymentProtocol = trading.addTakerPaymentProtocol(trade, new TakerPaymentProtocolListener()
         {
             @Override
-            public void onSuccess(Transaction transaction)
+            public void onProgress(double progress)
             {
-                log.info("sendResult onSuccess:" + transaction.toString());
-                trade.setTakeOfferFeeTxID(transaction.getHashAsString());
+                progressBar.setProgress(progress);
 
-                statusTextField.setText("Offer fee payed. Send offerer payment transaction ID for confirmation.");
-                Utils.setTimeout(SIM_DELAY, (AnimationTimer animationTimer) -> {
-                    onOfferFeePaymentConfirmed();
-                    progressBar.setProgress(2.0 / 3.0);
-                    return null;
-                });
+                /*switch (state)
+                {
+                    case FOUND_PEER_ADDRESS:
+                        statusTextField.setText("Peer found.");
+                        break;
+                    case SEND_TAKE_OFFER_REQUEST_ARRIVED:
+                        statusTextField.setText("Take offer request successfully sent to peer.");
+                        break;
+                    case SEND_TAKE_OFFER_REQUEST_ACCEPTED:
+                        statusTextField.setText("Take offer request accepted by peer.");
+                        break;
+                    case SEND_TAKE_OFFER_REQUEST_REJECTED:
+                        statusTextField.setText("Take offer request rejected by peer.");
+                        break;
+                    case INSUFFICIENT_MONEY_FOR_OFFER_FEE:
+                        Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet.");
+                        break;
+                    case OFFER_FEE_PAYED:
+                        statusTextField.setText("Offer fee payed. Send offerer payment transaction ID for confirmation.");
+                        break;
+                }  */
             }
 
             @Override
-            public void onFailure(Throwable t)
+            public void onFailure(String failureMessage)
             {
-                log.warn("sendResult onFailure:" + t.toString());
-                Popups.openErrorPopup("Fee payment failed", "Fee payment failed. " + t.toString());
+                log.warn(failureMessage);
             }
-        };
 
-        try
-        {
-            trading.payOfferFee(trade, callback);
-        } catch (InsufficientMoneyException e)
-        {
-            Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet.");
-        }
-    }
+            @Override
+            public void onDepositTxPublished(String depositTxID)
+            {
+                buildDepositPublishedScreen(depositTxID);
+            }
 
-    private void onOfferFeePaymentConfirmed()
-    {
-        trading.requestOffererDetailData();
-        statusTextField.setText("Request bank account details from offerer.");
-        Utils.setTimeout(SIM_DELAY, (AnimationTimer animationTimer) -> {
-            onUserDetailsReceived();
-            progressBar.setProgress(1.0);
-            return null;
+            @Override
+            public void onBankTransferInited()
+            {
+                buildBankTransferInitedScreen();
+            }
         });
+
+        takerPaymentProtocol.takeOffer();
     }
 
-    private void onUserDetailsReceived()
+    private void buildDepositPublishedScreen(String depositTxID)
     {
-        if (!blockChainFacade.verifyEmbeddedData(offer.getAccountID()))
-        {
-            Popups.openErrorPopup("Offerers bank account is blacklisted", "Offerers bank account is blacklisted.");
-            return;
-        }
-
-        trading.signContract(contract);
-        trading.payToDepositTx(trade);
-
-        buildWaitBankTransfer();
-    }
-
-    private void buildWaitBankTransfer()
-    {
-        processStepBar.next();
-
         gridPane.getChildren().clear();
 
         row = -1;
-        FormBuilder.addHeaderLabel(gridPane, "Bank transfer", ++row, 0);
-        infoLabel = FormBuilder.addLabel(gridPane, "Status:", "Wait for Bank transfer.", ++row);
-
-        Utils.setTimeout(SIM_DELAY, (AnimationTimer animationTimer) -> {
-            onBankTransferInited();
-            return null;
-        });
+        headerLabel = FormBuilder.addHeaderLabel(gridPane, "Deposit transaction published", ++row, 0);
+        infoLabel = FormBuilder.addLabel(gridPane, "Status:", "Deposit transaction published by offerer.\nAs soon as the offerer starts the \nBank transfer, you will get informed.", ++row);
+        FormBuilder.addTextField(gridPane, "Transaction ID:", depositTxID, ++row, false, true);
     }
 
-    private void onBankTransferInited()
+    private void buildBankTransferInitedScreen()
     {
-        row = 1;
-        infoLabel.setText("Bank transfer has been inited.");
-        Label label = FormBuilder.addLabel(gridPane, "", "Check your bank account and continue when you have received the money.", ++row);
-        GridPane.setColumnSpan(label, 2);
+        processStepBar.next();
 
+        headerLabel.setText("Bank transfer inited");
+        infoLabel.setText("Check your bank account and continue \nwhen you have received the money.");
+        log.info("#### grid " + gridPane.getChildren().size());
         gridPane.add(nextButton, 1, ++row);
-        nextButton.setText("I have received the bank transfer");
+        nextButton.setText("I have received the money at my bank");
         nextButton.setOnAction(e -> releaseBTC());
     }
 
@@ -405,16 +401,20 @@ public class TradeController implements Initializable, ChildController, WalletFa
         return offer.getDirection() == Direction.BUY;
     }
 
-
-    private void checkIfOffererIsOnline(Node isOnlineChecker, TextField isOnlineTextField)
+    private void setIsOnlineStatus(boolean isOnline)
     {
-        // mock
-        Utils.setTimeout(3000, (AnimationTimer animationTimer) -> {
-            offererIsOnline = Math.random() > 0.3 ? true : false;
-            isOnlineTextField.setText(offererIsOnline ? "Online" : "Offline");
-            gridPane.getChildren().remove(isOnlineChecker);
-            return null;
-        });
+        if (checkOnlineStatusTimer != null)
+        {
+            checkOnlineStatusTimer.stop();
+            checkOnlineStatusTimer = null;
+        }
+
+        offererIsOnline = isOnline;
+        isOnlineTextField.setText(offererIsOnline ? "Online" : "Offline");
+        gridPane.getChildren().remove(isOnlineCheckerHolder);
+
+        isOnlineTextField.setId(isOnline ? "online-label" : "offline-label");
+        isOnlineTextField.layout();
     }
 
     private void applyVolume()
@@ -448,7 +448,10 @@ public class TradeController implements Initializable, ChildController, WalletFa
 
     private BigInteger getCollateralInSatoshis()
     {
-        return BtcFormatter.doubleValueToSatoshis(Converter.stringToDouble(amountTextField.getText()) * offer.getCollateral());
+        double amount = Converter.stringToDouble(amountTextField.getText());
+        double resultDouble = amount * (double) offer.getCollateral() / 100.0;
+        BigInteger result = BtcFormatter.doubleValueToSatoshis(resultDouble);
+        return result;
     }
 
     private BigInteger getAmountInSatoshis()

src/main/java/io/bitsquare/gui/market/trade/TakerTradeView.fxml

@@ -5,13 +5,13 @@
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.ScrollPane?>
 <?import javafx.scene.layout.*?>
-<AnchorPane fx:id="rootContainer" fx:controller="io.bitsquare.gui.market.trade.TradeController"
+<AnchorPane fx:id="rootContainer" fx:controller="io.bitsquare.gui.market.trade.TakerTradeController"
             xmlns:fx="http://javafx.com/fxml">
     <ScrollPane fitToWidth="true" AnchorPane.leftAnchor="0" AnchorPane.rightAnchor="0" AnchorPane.topAnchor="0"
                 AnchorPane.bottomAnchor="0">
 
         <content>
-            <VBox fx:id="vBox" spacing="10">
+            <VBox spacing="10">
                 <padding>
                     <Insets left="10" right="10" top="10" bottom="10"/>
                 </padding>

src/main/java/io/bitsquare/gui/msg/MsgController.java

@@ -1,11 +1,12 @@
 package io.bitsquare.gui.msg;
 
 import com.google.inject.Inject;
-import io.bitsquare.btc.WalletFacade;
+import io.bitsquare.BitSquare;
 import io.bitsquare.gui.ChildController;
 import io.bitsquare.gui.NavigationController;
 import io.bitsquare.msg.MessageFacade;
-import io.bitsquare.msg.MessageListener;
+import io.bitsquare.msg.listeners.OrderBookListener;
+import io.bitsquare.msg.listeners.PingPeerListener;
 import javafx.beans.property.ReadOnlyObjectWrapper;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
@@ -26,7 +27,7 @@ import java.util.Arrays;
 import java.util.Map;
 import java.util.ResourceBundle;
 
-public class MsgController implements Initializable, ChildController, MessageListener
+public class MsgController implements Initializable, ChildController, OrderBookListener, PingPeerListener
 {
     private static final Logger log = LoggerFactory.getLogger(MsgController.class);
 
@@ -69,8 +70,8 @@ public class MsgController implements Initializable, ChildController, MessageLis
     @Override
     public void initialize(URL url, ResourceBundle rb)
     {
-        myID = WalletFacade.WALLET_PREFIX;
-        otherID = WalletFacade.WALLET_PREFIX.equals("taker") ? "offerer" : "taker";
+        myID = BitSquare.ID;
+        otherID = BitSquare.ID.equals("taker") ? "offerer" : "taker";
 
         messageFacade.addMessageListener(this);
 
@@ -94,14 +95,14 @@ public class MsgController implements Initializable, ChildController, MessageLis
     // Interface implementation: MessageListener
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    @Override
+   /* @Override
     public void onMessage(Object message)
     {
         sendButton.setDisable(!messageFacade.isOtherPeerDefined());
 
         if (message instanceof String)
             chatTextArea.appendText("\n" + otherID + ": " + message);
-    }
+    }  */
 
     @Override
     public void onPing()
@@ -110,12 +111,12 @@ public class MsgController implements Initializable, ChildController, MessageLis
     }
 
     @Override
-    public void onOfferPublished(boolean success)
+    public void onOfferAdded(Data offerData, boolean success)
     {
         if (success)
             getOffers();
         else
-            log.warn("onOfferPublished returned false");
+            log.warn("onOfferAdded returned false");
     }
 
     @Override
@@ -145,7 +146,7 @@ public class MsgController implements Initializable, ChildController, MessageLis
 
 
     @Override
-    public void onOfferRemoved(boolean success)
+    public void onOfferRemoved(Data offerData, boolean success)
     {
         if (success)
             getOffers();
@@ -153,7 +154,7 @@ public class MsgController implements Initializable, ChildController, MessageLis
             log.warn("onOfferRemoved failed");
     }
 
-    @Override
+   /* @Override
     public void onResponseFromSend(Object response)
     {
         String msg = (response instanceof String) ? (String) response : null;
@@ -168,14 +169,14 @@ public class MsgController implements Initializable, ChildController, MessageLis
     public void onSendFailed()
     {
         offerTable.getSelectionModel().clearSelection();
-    }
+    }  */
 
     @Override
-    public void onPeerFound()
+    public void onPingPeerResult(boolean success)
     {
-        sendButton.setDisable(!messageFacade.isOtherPeerDefined());
+       /* sendButton.setDisable(!messageFacade.isOtherPeerDefined());
         if (pingPending)
-            sendChatMsg(MessageFacade.PING);
+            sendChatMsg(MessageFacade.PING);        */
     }
 
 
@@ -201,14 +202,14 @@ public class MsgController implements Initializable, ChildController, MessageLis
     @FXML
     public void publishOffer(ActionEvent actionEvent)
     {
-        OfferListItem offerListItem = new OfferListItem(offerDataTextField.getText(), messageFacade.getPubKeyAsHex(), currencyTextField.getText());
+       /* OfferListItem offerListItem = new OfferListItem(offerDataTextField.getText(), messageFacade.getPubKeyAsHex(), currencyTextField.getText());
         try
         {
-            messageFacade.publishOffer(currencyTextField.getText(), offerListItem);
+            messageFacade.addOffer(currencyTextField.getText(), offerListItem);
         } catch (IOException e)
         {
             e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
-        }
+        }  */
     }
 
     @FXML
@@ -232,14 +233,14 @@ public class MsgController implements Initializable, ChildController, MessageLis
     private void inviteForChat(OfferListItem item, int index)
     {
         selectedIndex = index;
-        messageFacade.findPeer(item.getPubKey());
+        // messageFacade.pingPeer(item.getPubKey());
         pingPending = true;
 
     }
 
     private void sendChatMsg(String msg)
     {
-        messageFacade.sendMessage(msg);
+        // messageFacade.sendMessage(msg);
 
         chatTextArea.appendText("\n" + myID + ": " + msg);
         chatInputField.setText("");
@@ -252,13 +253,13 @@ public class MsgController implements Initializable, ChildController, MessageLis
 
     private void removeOffer(OfferListItem offer)
     {
-        try
+       /* try
         {
-            messageFacade.removeOffer(currencyTextField.getText(), offer);
+            messageFacade.removeOffer(offer);
         } catch (IOException e)
         {
             e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
-        }
+        } */
     }
 
 

src/main/java/io/bitsquare/gui/orders/OrdersController.java

@@ -1,29 +1,111 @@
 package io.bitsquare.gui.orders;
 
+import com.google.bitcoin.core.Transaction;
+import com.google.bitcoin.core.TransactionConfidence;
+import com.google.inject.Inject;
+import de.jensd.fx.fontawesome.AwesomeDude;
+import de.jensd.fx.fontawesome.AwesomeIcon;
+import io.bitsquare.bank.BankAccount;
+import io.bitsquare.bank.BankAccountType;
 import io.bitsquare.gui.ChildController;
 import io.bitsquare.gui.NavigationController;
+import io.bitsquare.gui.util.Icons;
+import io.bitsquare.gui.util.Localisation;
+import io.bitsquare.trade.Direction;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trade;
+import io.bitsquare.trade.Trading;
+import javafx.beans.property.ReadOnlyObjectWrapper;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.geometry.Pos;
+import javafx.scene.control.*;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.scene.input.Clipboard;
+import javafx.scene.input.ClipboardContent;
+import javafx.scene.layout.HBox;
+import javafx.util.Callback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.net.URL;
-import java.util.ResourceBundle;
+import java.util.*;
 
 public class OrdersController implements Initializable, ChildController
 {
+    private static final Logger log = LoggerFactory.getLogger(OrdersController.class);
+
+    private Trading trading;
+    private Trade currentTrade;
+
+    private Image buyIcon = Icons.getIconImage(Icons.BUY);
+    private Image sellIcon = Icons.getIconImage(Icons.SELL);
+
+    @FXML
+    private TableView openTradesTable;
+    @FXML
+    private TableColumn<String, TradesTableItem> directionColumn, countryColumn, bankAccountTypeColumn, priceColumn, amountColumn, volumeColumn, statusColumn, selectColumn;
+    @FXML
+    private ProgressIndicator progressIndicator;
+    @FXML
+    private Label confidenceLabel, txIDCopyIcon, holderNameCopyIcon, primaryBankAccountIDCopyIcon, secondaryBankAccountIDCopyIcon;
+    @FXML
+    private TextField txIDTextField, bankAccountTypeTextField, holderNameTextField, primaryBankAccountIDTextField, secondaryBankAccountIDTextField;
+    @FXML
+    private Button bankTransferInitedButton;
 
 
-    private NavigationController navigationController;
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Inject
+    public OrdersController(Trading trading)
+    {
+        this.trading = trading;
+    }
+
 
     @Override
     public void initialize(URL url, ResourceBundle rb)
     {
+        Map<String, Trade> trades = trading.getTrades();
+        List<Trade> tradeList = new ArrayList<>(trades.values());
+        ObservableList<TradesTableItem> tradeItems = FXCollections.observableArrayList();
+        for (Iterator<Trade> iterator = tradeList.iterator(); iterator.hasNext(); )
+        {
+            Trade trade = iterator.next();
+            tradeItems.add(new TradesTableItem(trade));
+        }
 
+        setCountryColumnCellFactory();
+        setBankAccountTypeColumnCellFactory();
+        setDirectionColumnCellFactory();
+        setSelectColumnCellFactory();
 
+        openTradesTable.setItems(tradeItems);
+        openTradesTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
+
+        openTradesTable.getSelectionModel().selectedItemProperty().addListener((observableValue, oldValue, newValue) -> {
+            if (newValue instanceof TradesTableItem)
+            {
+                TradesTableItem tradesTableItem = (TradesTableItem) newValue;
+                fillData(tradesTableItem.getTrade());
+            }
+        });
+
+        initCopyIcons();
     }
 
     @Override
     public void setNavigationController(NavigationController navigationController)
     {
-        this.navigationController = navigationController;
     }
 
     @Override
@@ -32,5 +114,284 @@ public class OrdersController implements Initializable, ChildController
 
     }
 
+    public void bankTransferInited(ActionEvent actionEvent)
+    {
+        trading.onBankTransferInited(currentTrade.getUid());
+    }
+
+    private void updateTx(Trade trade)
+    {
+        Transaction transaction = trade.getDepositTransaction();
+        String txID = "";
+        if (transaction != null)
+        {
+            txID = transaction.getHashAsString();
+
+            transaction.getConfidence().addEventListener(new TransactionConfidence.Listener()
+            {
+                @Override
+                public void onConfidenceChanged(Transaction tx, ChangeReason reason)
+                {
+                    updateConfidence(tx);
+                }
+            });
+        }
+        else
+        {
+            updateConfidence(transaction);
+        }
+        txIDTextField.setText(txID);
+    }
+
+    private void updateConfidence(Transaction tx)
+    {
+        TransactionConfidence confidence = tx.getConfidence();
+
+        switch (confidence.getConfidenceType())
+        {
+            case UNKNOWN:
+                confidenceLabel.setText("");
+                progressIndicator.setProgress(0);
+                break;
+            case PENDING:
+                confidenceLabel.setText("Seen by " + confidence.numBroadcastPeers() + " peer(s)");
+                progressIndicator.setProgress(-1);
+                break;
+            case BUILDING:
+                bankTransferInitedButton.setOpacity(1);
+                confidenceLabel.setText("Confirmed in " + confidence.getDepthInBlocks() + " block(s)");
+                progressIndicator.setProgress(Math.min(1, (double) confidence.getDepthInBlocks() / 6.0));
+                break;
+            case DEAD:
+                confidenceLabel.setText("Transaction is invalid.");
+                break;
+        }
+    }
+
+    private void fillData(Trade trade)
+    {
+        currentTrade = trade;
+        Transaction transaction = trade.getDepositTransaction();
+        if (transaction == null)
+        {
+            trade.getDepositTxChangedProperty().addListener(new ChangeListener<Boolean>()
+            {
+                @Override
+                public void changed(ObservableValue<? extends Boolean> observableValue, Boolean aBoolean, Boolean aBoolean2)
+                {
+                    updateTx(trade);
+                }
+            });
+        }
+        else
+        {
+            updateTx(trade);
+        }
+
+        // back details
+        BankAccount bankAccount = trade.getContract().getTakerBankAccount();
+        bankAccountTypeTextField.setText(bankAccount.getBankAccountType().getType().toString());
+        holderNameTextField.setText(bankAccount.getAccountHolderName());
+        primaryBankAccountIDTextField.setText(bankAccount.getAccountPrimaryID());
+        secondaryBankAccountIDTextField.setText(bankAccount.getAccountSecondaryID());
+    }
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Table columns
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void setCountryColumnCellFactory()
+    {
+        countryColumn.setCellValueFactory((offer) -> new ReadOnlyObjectWrapper(offer.getValue()));
+        countryColumn.setCellFactory(new Callback<TableColumn<String, TradesTableItem>, TableCell<String, TradesTableItem>>()
+        {
+            @Override
+            public TableCell<String, TradesTableItem> call(TableColumn<String, TradesTableItem> directionColumn)
+            {
+                return new TableCell<String, TradesTableItem>()
+                {
+                    final HBox hBox = new HBox();
+
+                    {
+                        hBox.setSpacing(3);
+                        hBox.setAlignment(Pos.CENTER);
+                        setGraphic(hBox);
+                    }
+
+                    @Override
+                    public void updateItem(final TradesTableItem orderBookListItem, boolean empty)
+                    {
+                        super.updateItem(orderBookListItem, empty);
+
+                        hBox.getChildren().clear();
+                        if (orderBookListItem != null)
+                        {
+                            Locale countryLocale = orderBookListItem.getTrade().getOffer().getBankAccountCountryLocale();
+                            try
+                            {
+                                hBox.getChildren().add(Icons.getIconImageView("/images/countries/" + countryLocale.getCountry().toLowerCase() + ".png"));
+
+                            } catch (Exception e)
+                            {
+                                log.warn("Country icon not found: " + "/images/countries/" + countryLocale.getCountry().toLowerCase() + ".png country name: " + countryLocale.getDisplayCountry());
+                            }
+                            Tooltip.install(this, new Tooltip(countryLocale.getDisplayCountry()));
+                        }
+                    }
+                };
+            }
+        });
+    }
+
+    private void setBankAccountTypeColumnCellFactory()
+    {
+        bankAccountTypeColumn.setCellValueFactory((offer) -> new ReadOnlyObjectWrapper(offer.getValue()));
+        bankAccountTypeColumn.setCellFactory(new Callback<TableColumn<String, TradesTableItem>, TableCell<String, TradesTableItem>>()
+        {
+            @Override
+            public TableCell<String, TradesTableItem> call(TableColumn<String, TradesTableItem> directionColumn)
+            {
+                return new TableCell<String, TradesTableItem>()
+                {
+                    @Override
+                    public void updateItem(final TradesTableItem orderBookListItem, boolean empty)
+                    {
+                        super.updateItem(orderBookListItem, empty);
+
+                        if (orderBookListItem != null)
+                        {
+                            BankAccountType.BankAccountTypeEnum bankAccountTypeEnum = orderBookListItem.getTrade().getOffer().getBankAccountTypeEnum();
+                            setText(Localisation.get(bankAccountTypeEnum.toString()));
+                        }
+                        else
+                        {
+                            setText("");
+                        }
+                    }
+                };
+            }
+        });
+    }
+
+    private void setDirectionColumnCellFactory()
+    {
+        directionColumn.setCellValueFactory((offer) -> new ReadOnlyObjectWrapper(offer.getValue()));
+        directionColumn.setCellFactory(new Callback<TableColumn<String, TradesTableItem>, TableCell<String, TradesTableItem>>()
+        {
+            @Override
+            public TableCell<String, TradesTableItem> call(TableColumn<String, TradesTableItem> directionColumn)
+            {
+                return new TableCell<String, TradesTableItem>()
+                {
+                    final ImageView iconView = new ImageView();
+                    final Button button = new Button();
+
+                    {
+                        button.setGraphic(iconView);
+                        button.setMinWidth(70);
+                    }
+
+                    @Override
+                    public void updateItem(final TradesTableItem orderBookListItem, boolean empty)
+                    {
+                        super.updateItem(orderBookListItem, empty);
+
+                        if (orderBookListItem != null)
+                        {
+                            String title;
+                            Image icon;
+                            Offer offer = orderBookListItem.getTrade().getOffer();
+
+                            if (offer.getDirection() == Direction.SELL)
+                            {
+                                icon = buyIcon;
+                                title = io.bitsquare.gui.util.Formatter.formatDirection(Direction.BUY, true);
+                            }
+                            else
+                            {
+                                icon = sellIcon;
+                                title = io.bitsquare.gui.util.Formatter.formatDirection(Direction.SELL, true);
+                            }
+                            button.setDisable(true);
+                            iconView.setImage(icon);
+                            button.setText(title);
+                            setGraphic(button);
+                        }
+                        else
+                        {
+                            setGraphic(null);
+                        }
+                    }
+                };
+            }
+        });
+    }
+
+    private void setSelectColumnCellFactory()
+    {
+        selectColumn.setCellValueFactory((offer) -> new ReadOnlyObjectWrapper(offer.getValue()));
+        selectColumn.setCellFactory(new Callback<TableColumn<String, TradesTableItem>, TableCell<String, TradesTableItem>>()
+        {
+            @Override
+            public TableCell<String, TradesTableItem> call(TableColumn<String, TradesTableItem> directionColumn)
+            {
+                return new TableCell<String, TradesTableItem>()
+                {
+                    final Button button = new Button("Select");
+
+                    @Override
+                    public void updateItem(final TradesTableItem orderBookListItem, boolean empty)
+                    {
+                        super.updateItem(orderBookListItem, empty);
+
+                        if (orderBookListItem != null)
+                        {
+                            setGraphic(button);
+                        }
+                        else
+                        {
+                            setGraphic(null);
+                        }
+                    }
+                };
+            }
+        });
+    }
+
+
+    private void initCopyIcons()
+    {
+        AwesomeDude.setIcon(txIDCopyIcon, AwesomeIcon.COPY);
+        txIDCopyIcon.setOnMouseClicked(e -> {
+            Clipboard clipboard = Clipboard.getSystemClipboard();
+            ClipboardContent content = new ClipboardContent();
+            content.putString(txIDTextField.getText());
+            clipboard.setContent(content);
+        });
+
+        AwesomeDude.setIcon(holderNameCopyIcon, AwesomeIcon.COPY);
+        holderNameCopyIcon.setOnMouseClicked(e -> {
+            Clipboard clipboard = Clipboard.getSystemClipboard();
+            ClipboardContent content = new ClipboardContent();
+            content.putString(holderNameCopyIcon.getText());
+            clipboard.setContent(content);
+        });
+
+        AwesomeDude.setIcon(primaryBankAccountIDCopyIcon, AwesomeIcon.COPY);
+        primaryBankAccountIDCopyIcon.setOnMouseClicked(e -> {
+            Clipboard clipboard = Clipboard.getSystemClipboard();
+            ClipboardContent content = new ClipboardContent();
+            content.putString(primaryBankAccountIDCopyIcon.getText());
+            clipboard.setContent(content);
+        });
+
+        AwesomeDude.setIcon(secondaryBankAccountIDCopyIcon, AwesomeIcon.COPY);
+        secondaryBankAccountIDCopyIcon.setOnMouseClicked(e -> {
+            Clipboard clipboard = Clipboard.getSystemClipboard();
+            ClipboardContent content = new ClipboardContent();
+            content.putString(secondaryBankAccountIDCopyIcon.getText());
+            clipboard.setContent(content);
+        });
+    }
+
 }
 

src/main/java/io/bitsquare/gui/orders/OrdersView.fxml

@@ -1,6 +1,148 @@
-<?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.Pane?>
-<Pane fx:controller="io.bitsquare.gui.orders.OrdersController"
-      xmlns:fx="http://javafx.com/fxml">
-    <Label text="Orders"/>
-</Pane>
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.control.cell.PropertyValueFactory?>
+<?import javafx.scene.layout.*?>
+<VBox prefHeight="540" prefWidth="800" spacing="10" AnchorPane.bottomAnchor="0" AnchorPane.leftAnchor="0" AnchorPane.rightAnchor="0" AnchorPane.topAnchor="0"
+      xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="io.bitsquare.gui.orders.OrdersController">
+    <children>
+        <Label id="headline-label" text="Open trades">
+            <VBox.margin>
+                <Insets left="10.0" top="10.0"/>
+            </VBox.margin>
+        </Label>
+
+        <TableView fx:id="openTradesTable" id="orderbook-table" prefHeight="150.0">
+            <columns>
+                <TableColumn fx:id="amountColumn" minWidth="120" text="Amount (Min.)">
+                    <cellValueFactory>
+                        <PropertyValueFactory property="amount"/>
+                    </cellValueFactory>
+                </TableColumn>
+                <TableColumn fx:id="priceColumn" minWidth="70" text="Price">
+                    <cellValueFactory>
+                        <PropertyValueFactory property="price"/>
+                    </cellValueFactory>
+                </TableColumn>
+                <TableColumn fx:id="volumeColumn" minWidth="130" text="Volume (Min.)">
+                    <cellValueFactory>
+                        <PropertyValueFactory property="volume"/>
+                    </cellValueFactory>
+                </TableColumn>
+                <TableColumn fx:id="countryColumn" minWidth="60" text="Country"/>
+                <TableColumn fx:id="bankAccountTypeColumn" minWidth="140" text="Bank transfer type"/>
+                <TableColumn fx:id="directionColumn" minWidth="80" sortable="false" text="Offer type"/>
+                <TableColumn fx:id="statusColumn" minWidth="80" text="Status">
+                    <cellValueFactory>
+                        <PropertyValueFactory property="status"/>
+                    </cellValueFactory>
+                </TableColumn>
+
+                <TableColumn fx:id="selectColumn" minWidth="60" sortable="false" text=""/>
+            </columns>
+            <VBox.margin>
+                <Insets left="10.0" right="10.0"/>
+            </VBox.margin>
+        </TableView>
+
+
+        <Label text="After you received 1 blockchain confirmation you are safe to start the bank transfer.">
+            <VBox.margin>
+                <Insets bottom="10.0" left="10.0" top="10.0"/>
+            </VBox.margin>
+        </Label>
+
+        <GridPane hgap="5.0" vgap="5.0">
+            <children>
+                <!-- row 0 -->
+                <Label id="headline-label" text="Deposit transaction" GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.halignment="LEFT"
+                       GridPane.rowIndex="0"/>
+
+                <!-- row 1 -->
+                <Label text="Transaction ID:" GridPane.columnIndex="0" GridPane.rowIndex="1"/>
+                <TextField fx:id="txIDTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+                <Label id="copy-icon" fx:id="txIDCopyIcon" minWidth="10" GridPane.columnIndex="2" GridPane.rowIndex="1">
+                    <padding>
+                        <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                    </padding>
+                    <tooltip>
+                        <Tooltip text="Copy address to clipboard"/>
+                    </tooltip>
+                </Label>
+                <ProgressIndicator fx:id="progressIndicator" prefHeight="20" prefWidth="20" GridPane.columnIndex="3" GridPane.rowIndex="1"/>
+                <Label fx:id="confidenceLabel" text="Checking confirmations..." GridPane.columnIndex="4" GridPane.rowIndex="1"/>
+
+                <!-- row 2 -->
+                <Label id="headline-label" text="Bank details" GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.halignment="LEFT"
+                       GridPane.rowIndex="2"/>
+
+                <!-- row 3 -->
+                <Label text="Bank account type:" GridPane.columnIndex="0" GridPane.rowIndex="3"/>
+                <TextField fx:id="bankAccountTypeTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="3"/>
+
+                <!-- row 4 -->
+                <Label text="Holder name:" GridPane.columnIndex="0" GridPane.rowIndex="4"/>
+                <TextField fx:id="holderNameTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="4"/>
+                <Label id="copy-icon" fx:id="holderNameCopyIcon" minWidth="10" GridPane.columnIndex="2" GridPane.rowIndex="4">
+                    <padding>
+                        <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                    </padding>
+                    <tooltip>
+                        <Tooltip text="Copy address to clipboard"/>
+                    </tooltip>
+                </Label>
+
+                <!-- row 5 -->
+                <Label text="Primary bank account ID:" GridPane.columnIndex="0" GridPane.rowIndex="5"/>
+                <TextField fx:id="primaryBankAccountIDTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="5"/>
+                <Label id="copy-icon" fx:id="primaryBankAccountIDCopyIcon" minWidth="10" GridPane.columnIndex="2" GridPane.rowIndex="5">
+                    <padding>
+                        <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                    </padding>
+                    <tooltip>
+                        <Tooltip text="Copy address to clipboard"/>
+                    </tooltip>
+                </Label>
+
+                <!-- row 6 -->
+                <Label text="Secondary bank account ID:" GridPane.columnIndex="0" GridPane.rowIndex="6"/>
+                <TextField fx:id="secondaryBankAccountIDTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="6"/>
+                <Label id="copy-icon" fx:id="secondaryBankAccountIDCopyIcon" minWidth="10" GridPane.columnIndex="2" GridPane.rowIndex="6">
+                    <padding>
+                        <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                    </padding>
+                    <tooltip>
+                        <Tooltip text="Copy address to clipboard"/>
+                    </tooltip>
+                </Label>
+
+                <!-- row 7 -->
+                <Button fx:id="bankTransferInitedButton" defaultButton="true" opacity="0.5" onAction="#bankTransferInited" text="Bank transfer inited"
+                        GridPane.columnIndex="1" GridPane.rowIndex="7"/>
+
+            </children>
+            <columnConstraints>
+                <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES"/>
+                <ColumnConstraints hgrow="ALWAYS" minWidth="400"/>
+                <ColumnConstraints fillWidth="false" halignment="LEFT" hgrow="NEVER"/>
+                <ColumnConstraints fillWidth="false" halignment="LEFT" hgrow="SOMETIMES"/>
+                <ColumnConstraints fillWidth="false" halignment="LEFT" hgrow="SOMETIMES"/>
+            </columnConstraints>
+            <rowConstraints>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
+                <RowConstraints/>
+            </rowConstraints>
+            <VBox.margin>
+                <Insets left="10.0" right="10.0"/>
+            </VBox.margin>
+        </GridPane>
+    </children>
+</VBox>

src/main/java/io/bitsquare/gui/orders/TradesTableItem.java

@@ -0,0 +1,26 @@
+package io.bitsquare.gui.orders;
+
+import io.bitsquare.gui.market.orderbook.OrderBookListItem;
+import io.bitsquare.trade.Trade;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TradesTableItem extends OrderBookListItem
+{
+    private static final Logger log = LoggerFactory.getLogger(TradesTableItem.class);
+
+    private Trade trade;
+
+    public TradesTableItem(Trade trade)
+    {
+        super(trade.getOffer());
+
+        this.trade = trade;
+    }
+
+    public Trade getTrade()
+    {
+        return trade;
+    }
+
+}

src/main/java/io/bitsquare/gui/settings/SettingsView.fxml

@@ -1,6 +1,14 @@
 <?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.Pane?>
-<Pane fx:controller="io.bitsquare.gui.settings.SettingsController"
-      xmlns:fx="http://javafx.com/fxml">
-    <Label text="Settings"/>
-</Pane>
+<?import javafx.scene.layout.*?>
+<AnchorPane fx:controller="io.bitsquare.gui.settings.SettingsController" AnchorPane.bottomAnchor="30.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0"
+            xmlns:fx="http://javafx.com/fxml">
+    <children>
+        <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+            <children>
+
+                <Label id="headline-label" text="Settings"/>
+
+            </children>
+        </VBox>
+    </children>
+</AnchorPane>

src/main/java/io/bitsquare/gui/setup/SetupController.java

@@ -1,35 +1,32 @@
 package io.bitsquare.gui.setup;
 
-import com.google.bitcoin.core.InsufficientMoneyException;
+import com.google.bitcoin.core.*;
+import com.google.bitcoin.script.Script;
 import com.google.inject.Inject;
 import de.jensd.fx.fontawesome.AwesomeDude;
 import de.jensd.fx.fontawesome.AwesomeIcon;
 import io.bitsquare.bank.BankAccount;
 import io.bitsquare.bank.BankAccountType;
-import io.bitsquare.btc.BtcFormatter;
 import io.bitsquare.btc.WalletFacade;
 import io.bitsquare.gui.ChildController;
 import io.bitsquare.gui.NavigationController;
-import io.bitsquare.gui.components.ConfirmationComponent;
 import io.bitsquare.gui.components.NetworkSyncPane;
-import io.bitsquare.gui.components.processbar.ProcessStepBar;
-import io.bitsquare.gui.components.processbar.ProcessStepItem;
-import io.bitsquare.gui.util.FormBuilder;
 import io.bitsquare.gui.util.Localisation;
 import io.bitsquare.gui.util.Popups;
 import io.bitsquare.gui.util.Verification;
 import io.bitsquare.msg.MessageFacade;
 import io.bitsquare.storage.Storage;
 import io.bitsquare.user.User;
-import io.bitsquare.util.Utils;
+import io.bitsquare.util.DSAKeyUtil;
+import io.bitsquare.util.Utilities;
+import javafx.collections.FXCollections;
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
 import javafx.scene.control.*;
 import javafx.scene.input.Clipboard;
 import javafx.scene.input.ClipboardContent;
 import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.GridPane;
-import javafx.scene.layout.VBox;
 import javafx.util.StringConverter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -38,34 +35,36 @@ import java.math.BigInteger;
 import java.net.URL;
 import java.util.*;
 
-public class SetupController implements Initializable, ChildController, WalletFacade.WalletListener
+public class SetupController implements Initializable, ChildController
 {
     private static final Logger log = LoggerFactory.getLogger(SetupController.class);
 
     private final User user;
     private final WalletFacade walletFacade;
+    private NavigationController navigationController;
     private MessageFacade messageFacade;
     private final Storage storage;
-    private final List<ProcessStepItem> processStepItems = new ArrayList<>();
-    private NavigationController navigationController;
-    private TextField balanceLabel, accountTitle, accountHolderName, accountPrimaryID, accountSecondaryID;
-    private ComboBox<Locale> countryComboBox;
-    private ComboBox<BankAccountType> bankTransferTypeComboBox;
-    private ComboBox<Currency> currencyComboBox;
-    private Button addBankAccountButton;
 
     @FXML
     private AnchorPane rootContainer;
     @FXML
-    private Label infoLabel;
+    private TitledPane payRegistrationFeePane, addBankAccountPane, settingsPane;
     @FXML
-    private ProcessStepBar<String> processStepBar;
+    private Label payRegFeeInfoLabel, addBankAccountInfoLabel, copyIcon, confirmationLabel;
     @FXML
-    private GridPane gridPane;
+    private TextField registrationAddressTextField, balanceTextField, accountTitle, accountHolderName, accountPrimaryID, accountSecondaryID;
     @FXML
-    private Button nextButton, skipButton;
+    private Button createAccountButton, addBankAccountButton;
     @FXML
-    private VBox vBox;
+    private Accordion accordion;
+    @FXML
+    private ComboBox<Locale> countryComboBox;
+    @FXML
+    private ComboBox<BankAccountType> bankAccountTypesComboBox;
+    @FXML
+    private ComboBox<Currency> currencyComboBox;
+    @FXML
+    private ProgressIndicator progressIndicator;
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -100,17 +99,13 @@ public class SetupController implements Initializable, ChildController, WalletFa
     @Override
     public void initialize(URL url, ResourceBundle rb)
     {
-        processStepItems.add(new ProcessStepItem("Fund registration fee"));
-        processStepItems.add(new ProcessStepItem("Add Bank account"));
-        processStepItems.add(new ProcessStepItem("Complete"));
-        processStepBar.setProcessStepItems(processStepItems);
+        setupRegistrationScreen();
+        setupBankAccountScreen();
+        setupSettingsScreen();
 
-        walletFacade.addRegistrationWalletListener(this);
-
-        buildStep0();
+        accordion.setExpandedPane(payRegistrationFeePane);
     }
 
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Interface implementation: ChildController
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -128,84 +123,146 @@ public class SetupController implements Initializable, ChildController, WalletFa
     }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
-    // Interface implementation: WalletFacade.WalletListener
+    // Button handlers
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    @Override
-    public void onConfidenceChanged(int numBroadcastPeers, int depthInBlocks)
+    public void onPaymentDone(ActionEvent actionEvent)
     {
-        updateCreateAccountButton();
-
-        log.info("onConfidenceChanged " + numBroadcastPeers + " / " + depthInBlocks);
+        accordion.setExpandedPane(addBankAccountPane);
     }
 
-    @Override
-    public void onCoinsReceived(BigInteger newBalance)
+    public void onSkipPayment(ActionEvent actionEvent)
     {
-        updateCreateAccountButton();
-        balanceLabel.setText(BtcFormatter.formatSatoshis(walletFacade.getAccountRegistrationBalance(), true));
-        log.info("onCoinsReceived " + newBalance);
+        accordion.setExpandedPane(addBankAccountPane);
+    }
+
+    public void onAddBankAccount(ActionEvent actionEvent)
+    {
+        addBankAccount();
+        storage.write(user.getClass().getName(), user);
+
+        if (verifyBankAccountData())
+        {
+            bankAccountTypesComboBox.getSelectionModel().clearSelection();
+            accountPrimaryID.setText("");
+            accountPrimaryID.setPromptText("");
+            accountSecondaryID.setText("");
+            accountSecondaryID.setPromptText("");
+        }
+    }
+
+    public void onCreateAccount(ActionEvent actionEvent)
+    {
+        addBankAccount();
+        if (user.getBankAccounts().size() > 0)
+        {
+            try
+            {
+                walletFacade.sendRegistrationTx(user.getStringifiedBankAccounts());
+                user.setAccountID(walletFacade.getAccountRegistrationAddress().toString());
+                user.setMessagePubKeyAsHex(DSAKeyUtil.getHexStringFromPublicKey(messageFacade.getPubKey()));
+
+                storage.write(user.getClass().getName(), user);
+
+                accordion.setExpandedPane(settingsPane);
+            } catch (InsufficientMoneyException e1)
+            {
+                Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet.");
+            }
+        }
+    }
+
+    public void onSkipBankAccountSetup(ActionEvent actionEvent)
+    {
+        accordion.setExpandedPane(settingsPane);
+    }
+
+    public void onClose(ActionEvent actionEvent)
+    {
+        navigationController.navigateToView(NavigationController.MARKET, "");
     }
 
 
     ///////////////////////////////////////////////////////////////////////////////////////////
-    // Private methods
+    // Screens setup
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    private void buildStep0()
+    private void setupRegistrationScreen()
     {
-        infoLabel.setText("You need to pay 0.01 BTC to the registration address.\n\n" +
+        payRegFeeInfoLabel.setText("You need to pay 0.01 BTC to the registration address.\n\n" +
                 "That payment will be used to create a unique account connected with your bank account number.\n" +
                 "The privacy of your bank account number will be protected and only revealed to your trading partners.\n" +
                 "The payment will be spent to miners and is needed to store data into the blockchain.\n" +
                 "Your trading account will be the source for your reputation in the trading platform.\n\n" +
                 "You need at least 1 confirmation for doing the registration payment.");
 
-        int row = -1;
+        String registrationAddress = walletFacade.getAccountRegistrationAddress().toString();
+        registrationAddressTextField.setText(registrationAddress);
 
-        TextField addressLabel = FormBuilder.addTextField(gridPane, "Registration address:", walletFacade.getAccountRegistrationAddress().toString(), ++row, false, true);
-
-        Label copyIcon = new Label("");
-        gridPane.add(copyIcon, 2, row);
         copyIcon.setId("copy-icon");
         AwesomeDude.setIcon(copyIcon, AwesomeIcon.COPY);
         Tooltip.install(copyIcon, new Tooltip("Copy address to clipboard"));
-
-        balanceLabel = FormBuilder.addTextField(gridPane, "Balance:", BtcFormatter.formatSatoshis(walletFacade.getAccountRegistrationBalance(), true), ++row);
-
-        new ConfirmationComponent(walletFacade, gridPane, ++row);
-
-        nextButton.setText("Payment done");
-        updateCreateAccountButton();
-
-        skipButton.setText("Register later");
-
-        // handlers
         copyIcon.setOnMouseClicked(e -> {
             Clipboard clipboard = Clipboard.getSystemClipboard();
             ClipboardContent content = new ClipboardContent();
-            content.putString(addressLabel.getText());
+            content.putString(registrationAddress);
             clipboard.setContent(content);
         });
 
-        nextButton.setOnAction(e -> {
-            processStepBar.next();
-            buildStep1();
-        });
+        updateBalance(walletFacade.getAccountRegistrationBalance());
 
-        skipButton.setOnAction(e -> close());
+        walletFacade.getAccountRegistrationWallet().addEventListener(new WalletEventListener()
+        {
+            @Override
+            public void onCoinsReceived(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+                updateBalance(newBalance);
+            }
+
+            @Override
+            public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx)
+            {
+                updateConfidence(tx);
+            }
+
+            @Override
+            public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance)
+            {
+            }
+
+            @Override
+            public void onReorganize(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onWalletChanged(Wallet wallet)
+            {
+            }
+
+            @Override
+            public void onKeysAdded(Wallet wallet, List<ECKey> keys)
+            {
+            }
+
+            @Override
+            public void onScriptsAdded(Wallet wallet, List<Script> scripts)
+            {
+            }
+        });
     }
 
-    private void buildStep1()
+    private void setupBankAccountScreen()
     {
-        infoLabel.setText("Add at least one Bank account to your trading account.\n" +
+        addBankAccountInfoLabel.setText("Add at least one Bank account to your trading account.\n" +
                 "That data will be stored in the blockchain in a way that your privacy is protected.\n" +
                 "Only your trading partners will be able to read those data, so your privacy will be protected.");
 
-        gridPane.getChildren().clear();
-        int row = -1;
-        bankTransferTypeComboBox = FormBuilder.addBankAccountComboBox(gridPane, "Bank account type:", Utils.getAllBankAccountTypes(), ++row);
-        bankTransferTypeComboBox.setConverter(new StringConverter<BankAccountType>()
+        bankAccountTypesComboBox.setItems(FXCollections.observableArrayList(Utilities.getAllBankAccountTypes()));
+        currencyComboBox.setItems(FXCollections.observableArrayList(Utilities.getAllCurrencies()));
+        countryComboBox.setItems(FXCollections.observableArrayList(Utilities.getAllLocales()));
+
+        bankAccountTypesComboBox.setConverter(new StringConverter<BankAccountType>()
         {
             @Override
             public String toString(BankAccountType bankAccountType)
@@ -220,14 +277,6 @@ public class SetupController implements Initializable, ChildController, WalletFa
             }
         });
 
-        bankTransferTypeComboBox.setPromptText("Select bank account type");
-        accountTitle = FormBuilder.addInputField(gridPane, "Bank account title:", "", ++row);
-        accountHolderName = FormBuilder.addInputField(gridPane, "Bank account holder name:", "", ++row);
-        accountPrimaryID = FormBuilder.addInputField(gridPane, "Bank account primary ID", "", ++row);
-        accountSecondaryID = FormBuilder.addInputField(gridPane, "Bank account secondary ID:", "", ++row);
-
-        currencyComboBox = FormBuilder.addCurrencyComboBox(gridPane, "Currency used for bank account:", Utils.getAllCurrencies(), ++row);
-        currencyComboBox.setPromptText("Select currency");
         currencyComboBox.setConverter(new StringConverter<Currency>()
         {
             @Override
@@ -243,8 +292,6 @@ public class SetupController implements Initializable, ChildController, WalletFa
             }
         });
 
-        countryComboBox = FormBuilder.addLocalesComboBox(gridPane, "Country of bank account:", Utils.getAllLocales(), ++row);
-        countryComboBox.setPromptText("Select country");
         countryComboBox.setConverter(new StringConverter<Locale>()
         {
             @Override
@@ -260,21 +307,7 @@ public class SetupController implements Initializable, ChildController, WalletFa
             }
         });
 
-
-        addBankAccountButton = new Button("Add other Bank account");
-        gridPane.add(addBankAccountButton, 1, ++row);
-
-        nextButton.setText("Create account");
-        checkCreateAccountButtonState();
-        skipButton.setText("Register later");
-
-        // handlers
-        accountTitle.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
-        accountHolderName.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
-        accountPrimaryID.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
-        accountSecondaryID.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
-
-        bankTransferTypeComboBox.valueProperty().addListener((ov, oldValue, newValue) -> {
+        bankAccountTypesComboBox.valueProperty().addListener((ov, oldValue, newValue) -> {
             if (newValue != null && newValue instanceof BankAccountType)
             {
                 accountPrimaryID.setText("");
@@ -289,132 +322,94 @@ public class SetupController implements Initializable, ChildController, WalletFa
         currencyComboBox.valueProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
         countryComboBox.valueProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
 
-        addBankAccountButton.setOnAction(e -> {
-            addBankAccount();
-            storage.write(user.getClass().getName(), user);
 
-            if (verifyBankAccountData())
-            {
-                bankTransferTypeComboBox.getSelectionModel().clearSelection();
-                accountPrimaryID.setText("");
-                accountPrimaryID.setPromptText("");
-                accountSecondaryID.setText("");
-                accountSecondaryID.setPromptText("");
-            }
-        });
+        checkCreateAccountButtonState();
+        // handlers
+        accountTitle.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
+        accountHolderName.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
+        accountPrimaryID.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
+        accountSecondaryID.textProperty().addListener((ov, oldValue, newValue) -> checkCreateAccountButtonState());
 
-        nextButton.setOnAction(e -> {
-            addBankAccount();
-
-            if (user.getBankAccounts().size() > 0)
-            {
-                try
-                {
-                    walletFacade.sendRegistrationTx(user.getStringifiedBankAccounts());
-                    user.setAccountID(walletFacade.getAccountRegistrationAddress().toString());
-                    user.setMessageID(walletFacade.getAccountRegistrationPubKey());
-                    //user.setMessageID(messageFacade.getPubKey());
-
-                    storage.write(user.getClass().getName(), user);
-                    processStepBar.next();
-                    buildStep2();
-                } catch (InsufficientMoneyException e1)
-                {
-                    Popups.openErrorPopup("Not enough money available", "There is not enough money available. Please pay in first to your wallet.");
-                }
-            }
-        });
-
-        skipButton.setOnAction(e -> close());
+        //todo
+        bankAccountTypesComboBox.getSelectionModel().select(0);
+        currencyComboBox.getSelectionModel().select(0);
+        countryComboBox.getSelectionModel().select(0);
+        accountHolderName.setText("dummy accountHolderName");
+        accountTitle.setText("dummy accountTitle");
+        accountPrimaryID.setText("dummy accountPrimaryID");
+        accountSecondaryID.setText("dummy accountSecondaryID");
     }
 
-    private void buildStep2()
+    private void setupSettingsScreen()
     {
-        vBox.getChildren().remove(infoLabel);
-        vBox.getChildren().remove(nextButton);
-        vBox.getChildren().remove(skipButton);
+        //TODO
+    }
 
-        gridPane.getChildren().clear();
-        int row = -1;
 
-        FormBuilder.addHeaderLabel(gridPane, "Registration complete", ++row);
-        FormBuilder.addTextField(gridPane, "Registration address:", walletFacade.getAccountRegistrationAddress().toString(), ++row);
-        FormBuilder.addTextField(gridPane, "Balance:", BtcFormatter.formatSatoshis(walletFacade.getAccountRegistrationBalance(), true), ++row);
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Private methods
+    ///////////////////////////////////////////////////////////////////////////////////////////
 
-        Button closeButton = FormBuilder.addButton(gridPane, "Close", ++row);
-        closeButton.setDefaultButton(true);
-        closeButton.setOnAction(e -> close());
 
-        FormBuilder.addVSpacer(gridPane, ++row);
-
-        FormBuilder.addHeaderLabel(gridPane, "Summary", ++row);
-        Label info = new Label("You have saved following bank accounts with your trading account to the blockchain:");
-        gridPane.add(info, 0, ++row);
-        GridPane.setColumnSpan(info, 3);
-
-        FormBuilder.addVSpacer(gridPane, ++row);
-
-        List<BankAccount> bankAccounts = user.getBankAccounts();
-        Iterator<BankAccount> iterator = bankAccounts.iterator();
-        int index = 0;
-        while (iterator.hasNext())
+    private void updateBalance(BigInteger balance)
+    {
+        if (balance.compareTo(BigInteger.ZERO) == 0)
         {
-            FormBuilder.addHeaderLabel(gridPane, "Bank account " + (index + 1), ++row);
-            BankAccount bankAccount = iterator.next();
-            // need to get updated row from subroutine
-            row = buildBankAccountDetails(bankAccount, ++row);
-            FormBuilder.addVSpacer(gridPane, ++row);
-            index++;
+            confirmationLabel.setText("");
+            progressIndicator.setOpacity(0);
+            progressIndicator.setProgress(0);
         }
+        else
+        {
+            progressIndicator.setOpacity(1);
+            progressIndicator.setProgress(-1);
+            Set<Transaction> transactions = walletFacade.getAccountRegistrationWallet().getTransactions(false);
+            for (Iterator<Transaction> iterator = transactions.iterator(); iterator.hasNext(); )
+            {
+                Transaction transaction = iterator.next();
+                updateConfidence(transaction);
+                break;
+            }
+        }
+        balanceTextField.setText(Utils.bitcoinValueToFriendlyString(balance));
     }
 
-    private void close()
+    private void updateConfidence(Transaction tx)
     {
-        walletFacade.removeRegistrationWalletListener(this);
-        navigationController.navigateToView(NavigationController.HOME, "");
+        TransactionConfidence confidence = tx.getConfidence();
+        double progressIndicatorSize = 50;
+        switch (confidence.getConfidenceType())
+        {
+            case UNKNOWN:
+                confirmationLabel.setText("");
+                progressIndicator.setProgress(0);
+                break;
+            case PENDING:
+                confirmationLabel.setText("Seen by " + confidence.numBroadcastPeers() + " peer(s) / 0 confirmations");
+                progressIndicator.setProgress(-1.0);
+                progressIndicatorSize = 20;
+                break;
+            case BUILDING:
+                confirmationLabel.setText("Confirmed in " + confidence.getDepthInBlocks() + " block(s)");
+                progressIndicator.setProgress(Math.min(1, (double) confidence.getDepthInBlocks() / 6.0));
+                break;
+            case DEAD:
+                confirmationLabel.setText("Transaction is invalid.");
+                break;
+        }
+
+        progressIndicator.setMaxHeight(progressIndicatorSize);
+        progressIndicator.setPrefHeight(progressIndicatorSize);
+        progressIndicator.setMaxWidth(progressIndicatorSize);
+        progressIndicator.setPrefWidth(progressIndicatorSize);
     }
 
-
-    // util
-    private int buildBankAccountDetails(BankAccount bankAccount, int row)
-    {
-        FormBuilder.addTextField(gridPane, "Bank account holder name:", bankAccount.getAccountHolderName(), ++row);
-        FormBuilder.addTextField(gridPane, "Bank account type", bankAccount.getBankAccountType().toString(), ++row);
-        FormBuilder.addTextField(gridPane, "Bank account primary ID", bankAccount.getAccountPrimaryID(), ++row);
-        FormBuilder.addTextField(gridPane, "Bank account secondary ID:", bankAccount.getAccountSecondaryID(), ++row);
-        return row;
-    }
-
-    // TODO need checks per bankTransferType
-    private boolean verifyBankAccountData()
-    {
-        boolean accountIDsByBankTransferTypeValid = Verification.verifyAccountIDsByBankTransferType(bankTransferTypeComboBox.getSelectionModel().getSelectedItem(),
-                accountPrimaryID.getText(),
-                accountSecondaryID.getText());
-
-        return bankTransferTypeComboBox.getSelectionModel().getSelectedItem() != null
-                && countryComboBox.getSelectionModel().getSelectedItem() != null
-                && currencyComboBox.getSelectionModel().getSelectedItem() != null
-                && accountTitle.getText().length() > 0
-                && accountHolderName.getText().length() > 0
-                && accountPrimaryID.getText().length() > 0
-                && accountSecondaryID.getText().length() > 0
-                && accountIDsByBankTransferTypeValid;
-    }
-
-    private void updateCreateAccountButton()
-    {
-        boolean funded = walletFacade.getAccountRegistrationBalance().compareTo(BigInteger.ZERO) > 0;
-        nextButton.setDisable(!funded || walletFacade.getRegConfDepthInBlocks() == 0);
-    }
-
-
     private void addBankAccount()
     {
         if (verifyBankAccountData())
         {
             BankAccount bankAccount = new BankAccount(
-                    bankTransferTypeComboBox.getSelectionModel().getSelectedItem(),
+                    bankAccountTypesComboBox.getSelectionModel().getSelectedItem(),
                     currencyComboBox.getSelectionModel().getSelectedItem(),
                     countryComboBox.getSelectionModel().getSelectedItem(),
                     accountTitle.getText(),
@@ -427,8 +422,25 @@ public class SetupController implements Initializable, ChildController, WalletFa
 
     private void checkCreateAccountButtonState()
     {
-        nextButton.setDisable(!verifyBankAccountData());
+        createAccountButton.setDisable(!verifyBankAccountData());
         addBankAccountButton.setDisable(!verifyBankAccountData());
     }
+
+    private boolean verifyBankAccountData()
+    {
+        boolean accountIDsByBankTransferTypeValid = Verification.verifyAccountIDsByBankTransferType(bankAccountTypesComboBox.getSelectionModel().getSelectedItem(),
+                accountPrimaryID.getText(),
+                accountSecondaryID.getText());
+
+        return bankAccountTypesComboBox.getSelectionModel().getSelectedItem() != null
+                && countryComboBox.getSelectionModel().getSelectedItem() != null
+                && currencyComboBox.getSelectionModel().getSelectedItem() != null
+                && accountTitle.getText().length() > 0
+                && accountHolderName.getText().length() > 0
+                && accountPrimaryID.getText().length() > 0
+                && accountSecondaryID.getText().length() > 0
+                && accountIDsByBankTransferTypeValid;
+    }
+
 }
 

src/main/java/io/bitsquare/gui/setup/SetupView.fxml

@@ -1,29 +1,160 @@
-<?import io.bitsquare.gui.components.processbar.ProcessStepBar?>
-<?import io.bitsquare.gui.components.VSpacer?>
+<?xml version="1.0" encoding="UTF-8"?>
+
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
-<AnchorPane fx:id="rootContainer" fx:controller="io.bitsquare.gui.setup.SetupController"
-            xmlns:fx="http://javafx.com/fxml">
-    <ScrollPane fitToWidth="true" AnchorPane.leftAnchor="10" AnchorPane.rightAnchor="10" AnchorPane.topAnchor="10"
-                AnchorPane.bottomAnchor="30">
-        <VBox fx:id="vBox" spacing="10">
-            <Label text="Setup trading account" id="headline-label"/>
-            <ProcessStepBar fx:id="processStepBar"/>
-            <VSpacer prefHeight="10"/>
-            <Label fx:id="infoLabel"/>
-            <GridPane fx:id="gridPane" vgap="5" hgap="5">
-                <padding>
-                    <Insets bottom="5.0" left="5.0" right="5.0" top="5.0"/>
-                </padding>
-                <columnConstraints>
-                    <ColumnConstraints halignment="RIGHT"/>
-                    <ColumnConstraints halignment="LEFT" prefWidth="320"/>
-                    <ColumnConstraints halignment="LEFT"/>
-                </columnConstraints>
-            </GridPane>
-            <Button fx:id="nextButton" defaultButton="true"/>
-            <Button fx:id="skipButton"/>
-        </VBox>
-    </ScrollPane>
-</AnchorPane>
+<AnchorPane fx:id="rootContainer" fx:controller="io.bitsquare.gui.setup.SetupController" prefWidth="800" prefHeight="600" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
+    <children>
+
+        <Label id="headline-label" text="Setup trading account" AnchorPane.leftAnchor="10.0" AnchorPane.topAnchor="10.0"/>
+
+        <Accordion fx:id="accordion" AnchorPane.bottomAnchor="30.0" AnchorPane.leftAnchor="10.0" AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0">
+            <panes>
+
+                <TitledPane fx:id="payRegistrationFeePane" text="Pay registration fee">
+                    <content>
+                        <AnchorPane>
+                            <children>
+                                <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+                                    <children>
+
+                                        <Label fx:id="payRegFeeInfoLabel"/>
+
+                                        <GridPane hgap="5.0" vgap="5.0">
+
+                                            <children>
+                                                <Label text="Registration address:"/>
+                                                <TextField fx:id="registrationAddressTextField" editable="false" GridPane.columnIndex="1"/>
+                                                <Label fx:id="copyIcon" minWidth="10" GridPane.columnIndex="2">
+                                                    <padding>
+                                                        <Insets bottom="0.0" left="0.0" right="0.0" top="-1.0"/>
+                                                    </padding>
+                                                    <tooltip>
+                                                        <Tooltip text="Copy address to clipboard"/>
+                                                    </tooltip>
+                                                </Label>
+
+                                                <Label text="Balance:" GridPane.rowIndex="1"/>
+                                                <TextField fx:id="balanceTextField" editable="false" GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+                                                <ProgressIndicator fx:id="progressIndicator" id="confidence-progress-indicator" GridPane.columnIndex="2" GridPane.halignment="LEFT"
+                                                                   GridPane.rowIndex="1" GridPane.rowSpan="2" GridPane.valignment="TOP">
+                                                    <GridPane.margin>
+                                                        <Insets top="2.0"/>
+                                                    </GridPane.margin>
+                                                </ProgressIndicator>
+                                                <Label fx:id="confirmationLabel" text="Checking confirmations..." GridPane.columnIndex="3" GridPane.rowIndex="1"/>
+
+                                                <Button defaultButton="true" onAction="#onPaymentDone" text="Payment done" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+                                                <Button onAction="#onSkipPayment" text="Skip and pay later" GridPane.columnIndex="1" GridPane.rowIndex="3"/>
+
+                                            </children>
+
+                                            <columnConstraints>
+                                                <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES"/>
+                                                <ColumnConstraints hgrow="ALWAYS"/>
+                                                <ColumnConstraints hgrow="SOMETIMES" prefWidth="20.0"/>
+                                                <ColumnConstraints hgrow="SOMETIMES"/>
+                                                <ColumnConstraints hgrow="SOMETIMES"/>
+                                            </columnConstraints>
+                                            <rowConstraints>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                            </rowConstraints>
+
+                                        </GridPane>
+                                    </children>
+                                </VBox>
+                            </children>
+                        </AnchorPane>
+                    </content>
+                </TitledPane>
+
+
+                <TitledPane fx:id="addBankAccountPane" animated="true" text="Add Bank account">
+                    <content>
+                        <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="180.0" prefWidth="200.0">
+                            <children>
+                                <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0"
+                                      AnchorPane.topAnchor="0.0">
+                                    <children>
+
+                                        <Label fx:id="addBankAccountInfoLabel"/>
+
+                                        <GridPane hgap="5.0" vgap="5.0">
+
+                                            <children>
+                                                <Label text="Bank account type:"/>
+                                                <ComboBox fx:id="bankAccountTypesComboBox" promptText="Select bank account type" GridPane.columnIndex="1"/>
+
+                                                <Label text="Bank account title:" GridPane.rowIndex="1"/>
+                                                <TextField fx:id="accountTitle" GridPane.columnIndex="1" GridPane.rowIndex="1"/>
+
+                                                <Label text="Bank account holder name" GridPane.rowIndex="2"/>
+                                                <TextField fx:id="accountHolderName" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+
+                                                <Label text="Bank account primary ID" GridPane.rowIndex="3"/>
+                                                <TextField fx:id="accountPrimaryID" GridPane.columnIndex="1" GridPane.rowIndex="3"/>
+
+                                                <Label text="Bank account secondary ID" GridPane.rowIndex="4"/>
+                                                <TextField fx:id="accountSecondaryID" GridPane.columnIndex="1" GridPane.rowIndex="4"/>
+
+                                                <Label text="Currency used for bank account:" GridPane.rowIndex="5"/>
+                                                <ComboBox fx:id="currencyComboBox" promptText="Select currency" GridPane.columnIndex="1" GridPane.rowIndex="5"/>
+
+                                                <Label text="Country of bank account" GridPane.rowIndex="6"/>
+                                                <ComboBox fx:id="countryComboBox" promptText="Select country" GridPane.columnIndex="1" GridPane.rowIndex="6"/>
+
+                                                <Button fx:id="addBankAccountButton" onAction="#onAddBankAccount" text="Add another bank account" GridPane.columnIndex="1" GridPane.rowIndex="7"/>
+
+                                                <Button fx:id="createAccountButton" defaultButton="true" onAction="#onCreateAccount" text="Create account" GridPane.columnIndex="1"
+                                                        GridPane.rowIndex="8"/>
+
+                                                <Button onAction="#onSkipBankAccountSetup" text="Skip and register later" GridPane.columnIndex="1" GridPane.rowIndex="9"/>
+                                            </children>
+
+                                            <columnConstraints>
+                                                <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES"/>
+                                                <ColumnConstraints hgrow="ALWAYS"/>
+                                            </columnConstraints>
+                                            <rowConstraints>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                                <RowConstraints vgrow="SOMETIMES"/>
+                                            </rowConstraints>
+                                        </GridPane>
+                                    </children>
+                                </VBox>
+                            </children>
+                        </AnchorPane>
+                    </content>
+                </TitledPane>
+
+                <TitledPane fx:id="settingsPane" animated="true" text="Set up preferences">
+                    <content>
+                        <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="180.0" prefWidth="200.0">
+                            <children>
+                                <VBox spacing="20" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+                                    <children>
+                                        <Label text="Set up preferences... TODO "/>
+                                        <Button defaultButton="true" onAction="#onClose" text="Done" GridPane.columnIndex="1" GridPane.rowIndex="8"/>
+                                    </children>
+                                </VBox>
+                            </children>
+                        </AnchorPane>
+                    </content>
+                </TitledPane>
+
+            </panes>
+        </Accordion>
+
+    </children>
+</AnchorPane>

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

@@ -13,9 +13,12 @@ public class Converter
 
     public static double stringToDouble(String input)
     {
+        if (input == null || input.equals(""))
+            return 0;
         try
         {
             DecimalFormat decimalFormat = (DecimalFormat) DecimalFormat.getInstance(Locale.getDefault());
+            Object d = decimalFormat.getDecimalFormatSymbols();
             return decimalFormat.parse(input).doubleValue();
         } catch (ParseException e)
         {

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

@@ -16,11 +16,11 @@ public class Icons
     public static final String MSG = "/images/nav/msg.png";
     public static final String SETTINGS = "/images/nav/settings.png";
 
+    public static final String MSG_ALERT = "/images/nav/alertRound.png";
+
     public static final String BUY = "/images/buy.png";
     public static final String SELL = "/images/sell.png";
-    public static final String REMOVE = "/images/remove_minus_9.png";
-    public static final String ADD = "/images/list.png";
-    public static final String REFRESH = "/images/refresh.png";
+    public static final String REMOVE = "/images/removeOffer.png";
 
     public static final String PROGRESS_0_ICON_FILE = "/images/tx/circleProgress0.png";
     public static final String PROGRESS_1_ICON_FILE = "/images/tx/circleProgress1.png";

src/main/java/io/bitsquare/msg/Message.java

@@ -1,56 +0,0 @@
-package io.bitsquare.msg;
-
-import io.bitsquare.trade.Contract;
-import io.bitsquare.trade.Offer;
-import io.bitsquare.trade.Trade;
-import io.bitsquare.util.Utils;
-
-public class Message
-{
-    public final static String BROADCAST_NEW_OFFER = "BROADCAST_NEW_OFFER";
-    public final static String REQUEST_TAKE_OFFER = "REQUEST_TAKE_OFFER";
-    public final static String OFFER_ACCEPTED = "OFFER_ACCEPTED";
-    public final static String REQUEST_OFFER_FEE_PAYMENT_CONFIRM = "REQUEST_OFFER_FEE_PAYMENT_CONFIRM";
-    public final static String SEND_SIGNED_CONTRACT = "SEND_SIGNED_CONTRACT";
-
-    private String type;
-    private Object payload;
-
-
-    public Message(String type, String msg)
-    {
-        this.type = type;
-        this.payload = msg;
-    }
-
-    public Message(String type, Trade trade)
-    {
-        this.type = type;
-        this.payload = trade;
-    }
-
-    public Message(String type, Offer offer)
-    {
-        this.type = type;
-        this.payload = offer;
-    }
-
-    public Message(String type, Contract contract)
-    {
-        this.type = type;
-        this.payload = contract;
-    }
-
-    public String getType()
-    {
-        return type;
-    }
-
-
-    public String toString()
-    {
-        return type + ": " + Utils.objectToJson(payload);
-    }
-
-
-}

src/main/java/io/bitsquare/msg/MessageFacade.java

@@ -1,9 +1,16 @@
 package io.bitsquare.msg;
 
-import com.google.bitcoin.core.Utils;
 import com.google.inject.Inject;
-import io.bitsquare.btc.WalletFacade;
+import io.bitsquare.BitSquare;
+import io.bitsquare.msg.listeners.*;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.offerer.OffererPaymentProtocol;
+import io.bitsquare.trade.taker.TakerPaymentProtocol;
+import io.bitsquare.util.DSAKeyUtil;
+import io.bitsquare.util.Utilities;
 import javafx.application.Platform;
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.SimpleBooleanProperty;
 import net.tomp2p.connection.Bindings;
 import net.tomp2p.connection.PeerConnection;
 import net.tomp2p.futures.*;
@@ -21,10 +28,7 @@ import java.io.File;
 import java.io.IOException;
 import java.security.KeyPair;
 import java.security.PublicKey;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Random;
+import java.util.*;
 
 /**
  * That facade delivers messaging functionality from the TomP2P library
@@ -38,15 +42,26 @@ public class MessageFacade
     public static final String PING = "ping";
     public static final String PONG = "pong";
     private static final int MASTER_PEER_PORT = 5000;
-    private static String MASTER_PEER_IP = "127.0.0.1";
+    private static String MASTER_PEER_IP = "192.168.1.33";
 
-    private Peer myPeerInstance;
+    private Peer myPeer;
     private int port;
     private KeyPair keyPair;
     private Peer masterPeer;
-    private PeerAddress otherPeerAddress;
-    private PeerConnection peerConnection;
-    private List<MessageListener> messageListeners = new ArrayList<>();
+    private List<OrderBookListener> orderBookListeners = new ArrayList<>();
+    private List<TakeOfferRequestListener> takeOfferRequestListeners = new ArrayList<>();
+
+    // //TODO change to map (key: offerID) instead of list (offererPaymentProtocols, takerPaymentProtocols)
+    private List<TakerPaymentProtocol> takerPaymentProtocols = new ArrayList<>();
+    private List<OffererPaymentProtocol> offererPaymentProtocols = new ArrayList<>();
+
+    private List<PingPeerListener> pingPeerListeners = new ArrayList<>();
+
+    private Long lastTimeStamp = -3L;
+
+
+    private BooleanProperty isDirty = new SimpleBooleanProperty(false);
+
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
@@ -55,15 +70,15 @@ public class MessageFacade
     @Inject
     public MessageFacade()
     {
-        try
+       /* try
         {
             masterPeer = BootstrapMasterPeer.INSTANCE(MASTER_PEER_PORT);
         } catch (Exception e)
         {
             if (masterPeer != null)
                 masterPeer.shutdown();
-            log.info("masterPeer already instantiated by another app. " + e.getMessage());
-        }
+            System.err.println("masterPeer already instantiated by another app. " + e.getMessage());
+        }  */
     }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -72,35 +87,31 @@ public class MessageFacade
 
     public void init()
     {
-        String keyName = WalletFacade.WALLET_PREFIX;
+        String keyName = BitSquare.ID;
         port = Bindings.MAX_PORT - Math.abs(new Random().nextInt()) % (Bindings.MAX_PORT - Bindings.MIN_DYN_PORT);
-        if (WalletFacade.WALLET_PREFIX.equals("taker"))
+        if (BitSquare.ID.equals("taker"))
             port = 4501;
-        else if (WalletFacade.WALLET_PREFIX.equals("offerer"))
+        else if (BitSquare.ID.equals("offerer"))
             port = 4500;
 
         try
         {
             createMyPeerInstance(keyName, port);
-            setupStorage();
+            //setupStorage();
+            //TODO save periodically or get informed if network address changes
             saveMyAddressToDHT();
             setupReplyHandler();
         } catch (IOException e)
         {
             shutDown();
-            log.error("Error at setup peer" + e.getMessage());
+            log.error("Error at setup myPeerInstance" + e.getMessage());
         }
-
-        //log.info("myPeerInstance knows: " + myPeerInstance.getPeerBean().getPeerMap().getAll());
     }
 
     public void shutDown()
     {
-        if (peerConnection != null)
-            peerConnection.close();
-
-        if (myPeerInstance != null)
-            myPeerInstance.shutdown();
+        if (myPeer != null)
+            myPeer.shutdown();
 
         if (masterPeer != null)
             masterPeer.shutdown();
@@ -112,36 +123,40 @@ public class MessageFacade
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     //TODO use Offer and do proper serialisation here
-    public void publishOffer(String currency, Object offerObject) throws IOException
+    public void addOffer(Offer offer) throws IOException
     {
-        Number160 locationKey = Number160.createHash(currency);
-        Data offerData = new Data(offerObject);
-        offerData.setTTLSeconds(5);
-        FutureDHT putFuture = myPeerInstance.add(locationKey).setData(offerData).start();
-        putFuture.addListener(new BaseFutureAdapter<BaseFuture>()
+        Number160 locationKey = Number160.createHash(offer.getCurrency().getCurrencyCode());
+        Number160 contentKey = Number160.createHash(offer.getUid());
+        final Data offerData = new Data(offer);
+        //offerData.setTTLSeconds(5);
+        final FutureDHT addFuture = myPeer.put(locationKey).setData(contentKey, offerData).start();
+        addFuture.addListener(new BaseFutureAdapter<BaseFuture>()
         {
             @Override
             public void operationComplete(BaseFuture future) throws Exception
             {
-                Platform.runLater(() -> onOfferPublished(future.isSuccess()));
+                Platform.runLater(() -> onOfferAdded(offerData, future.isSuccess(), locationKey));
             }
         });
     }
 
-    private void onOfferPublished(boolean success)
+    private void onOfferAdded(Data offerData, boolean success, Number160 locationKey)
     {
-        for (MessageListener messageListener : messageListeners)
-            messageListener.onOfferPublished(success);
+        setDirty(locationKey);
+
+        for (OrderBookListener orderBookListener : orderBookListeners)
+            orderBookListener.onOfferAdded(offerData, success);
     }
 
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Get offers
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     public void getOffers(String currency)
     {
-        Number160 locationKey = Number160.createHash(currency);
-        final FutureDHT getOffersFuture = myPeerInstance.get(locationKey).setAll().start();
+        final Number160 locationKey = Number160.createHash(currency);
+        final FutureDHT getOffersFuture = myPeer.get(locationKey).setAll().start();
         getOffersFuture.addListener(new BaseFutureAdapter<BaseFuture>()
         {
             @Override
@@ -155,41 +170,130 @@ public class MessageFacade
 
     private void onOffersReceived(Map<Number160, Data> dataMap, boolean success)
     {
-        for (MessageListener messageListener : messageListeners)
-            messageListener.onOffersReceived(dataMap, success);
+        for (OrderBookListener orderBookListener : orderBookListeners)
+            orderBookListener.onOffersReceived(dataMap, success);
     }
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Remove offer
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void removeOffer(String currency, Object offerObject) throws IOException
+    public void removeOffer(Offer offer) throws IOException
     {
-        Data offerData = new Data(offerObject);
-        Number160 locationKey = Number160.createHash(currency);
-        Number160 contentKey = offerData.getHash();
-        FutureDHT putFuture = myPeerInstance.remove(locationKey).setContentKey(contentKey).start();
-        putFuture.addListener(new BaseFutureAdapter<BaseFuture>()
+        Number160 locationKey = Number160.createHash(offer.getCurrency().getCurrencyCode());
+        Number160 contentKey = Number160.createHash(offer.getUid());
+        FutureDHT removeFuture = myPeer.remove(locationKey).setReturnResults().setContentKey(contentKey).start();
+        removeFuture.addListener(new BaseFutureAdapter<BaseFuture>()
         {
             @Override
             public void operationComplete(BaseFuture future) throws Exception
             {
-                Platform.runLater(() -> onOfferRemoved(future.isSuccess()));
+                Data data = removeFuture.getData();
+                Platform.runLater(() -> onOfferRemoved(data, future.isSuccess(), locationKey));
             }
         });
     }
 
-    private void onOfferRemoved(boolean success)
+    private void onOfferRemoved(Data data, boolean success, Number160 locationKey)
     {
-        for (MessageListener messageListener : messageListeners)
-            messageListener.onOfferRemoved(success);
+        setDirty(locationKey);
+
+        for (OrderBookListener orderBookListener : orderBookListeners)
+            orderBookListener.onOfferRemoved(data, success);
     }
 
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Check dirty flag for a location key
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public BooleanProperty getIsDirtyProperty()
+    {
+        return isDirty;
+    }
+
+    public void getDirtyFlag(Currency currency) throws IOException
+    {
+        Number160 locationKey = Number160.createHash(currency.getCurrencyCode());
+        FutureDHT getFuture = myPeer.get(getDirtyLocationKey(locationKey)).start();
+        getFuture.addListener(new BaseFutureListener<BaseFuture>()
+        {
+            @Override
+            public void operationComplete(BaseFuture future) throws Exception
+            {
+                Data data = getFuture.getData();
+                if (data != null)
+                {
+                    Object object = data.getObject();
+                    if (object instanceof Long)
+                    {
+                        final long lastTimeStamp = (Long) object;
+                        //System.out.println("getDirtyFlag " + lastTimeStamp);
+                        Platform.runLater(() -> onGetDirtyFlag(lastTimeStamp));
+                    }
+                }
+            }
+
+            @Override
+            public void exceptionCaught(Throwable t) throws Exception
+            {
+                System.out.println("getFuture exceptionCaught " + System.currentTimeMillis());
+            }
+        });
+    }
+
+    private void onGetDirtyFlag(long timeStamp)
+    {
+        // TODO don't get updates at first run....
+        if (lastTimeStamp != timeStamp)
+        {
+            isDirty.setValue(!isDirty.get());
+        }
+        if (lastTimeStamp > 0)
+            lastTimeStamp = timeStamp;
+        else
+            lastTimeStamp++;
+    }
+
+    private Number160 getDirtyLocationKey(Number160 locationKey) throws IOException
+    {
+        return Number160.createHash(locationKey.toString() + "Dirty");
+    }
+
+    private void setDirty(Number160 locationKey)
+    {
+        // we don't want to get an update from dirty for own changes, so update the lastTimeStamp to omit a change trigger
+        lastTimeStamp = System.currentTimeMillis();
+        FutureDHT putFuture = null;
+        try
+        {
+            putFuture = myPeer.put(getDirtyLocationKey(locationKey)).setData(new Data(lastTimeStamp)).start();
+        } catch (IOException e)
+        {
+            log.warn("Error at writing dirty flag (timeStamp) " + e.getMessage());
+        }
+        putFuture.addListener(new BaseFutureListener<BaseFuture>()
+        {
+            @Override
+            public void operationComplete(BaseFuture future) throws Exception
+            {
+                //System.out.println("operationComplete");
+            }
+
+            @Override
+            public void exceptionCaught(Throwable t) throws Exception
+            {
+                System.err.println("exceptionCaught");
+            }
+        });
+    }
+
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Send message
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public boolean sendMessage(String message)
+   /* public boolean sendMessage(Object message)
     {
         boolean result = false;
         if (otherPeerAddress != null)
@@ -197,10 +301,10 @@ public class MessageFacade
             if (peerConnection != null)
                 peerConnection.close();
 
-            peerConnection = myPeerInstance.createPeerConnection(otherPeerAddress, 20);
+            peerConnection = myPeer.createPeerConnection(otherPeerAddress, 20);
             if (!peerConnection.isClosed())
             {
-                FutureResponse sendFuture = myPeerInstance.sendDirect(peerConnection).setObject(message).start();
+                FutureResponse sendFuture = myPeer.sendDirect(peerConnection).setObject(message).start();
                 sendFuture.addListener(new BaseFutureAdapter<BaseFuture>()
                 {
                     @Override
@@ -222,8 +326,8 @@ public class MessageFacade
             }
         }
         return result;
-    }
-
+    } */
+      /*
     private void onResponseFromSend(Object response)
     {
         for (MessageListener messageListener : messageListeners)
@@ -235,34 +339,195 @@ public class MessageFacade
         for (MessageListener messageListener : messageListeners)
             messageListener.onSendFailed();
     }
-
+      */
 
     ///////////////////////////////////////////////////////////////////////////////////////////
-    // Find peer
+    // Find peer address
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void findPeer(String pubKeyAsHex)
+    public void getPeerAddress(final String pubKeyAsHex, AddressLookupListener listener)
     {
-        final FutureDHT getPeerAddressFuture = myPeerInstance.get(getPubKeyHash(pubKeyAsHex)).start();
+        final Number160 location = Number160.createHash(pubKeyAsHex);
+        final FutureDHT getPeerAddressFuture = myPeer.get(location).start();
         getPeerAddressFuture.addListener(new BaseFutureAdapter<BaseFuture>()
         {
             @Override
             public void operationComplete(BaseFuture baseFuture) throws Exception
             {
-                final PeerAddress peerAddress = (PeerAddress) getPeerAddressFuture.getData().getObject();
-                Platform.runLater(() -> onPeerFound(peerAddress));
+                if (baseFuture.isSuccess() && getPeerAddressFuture.getData() != null)
+                {
+                    final PeerAddress peerAddress = (PeerAddress) getPeerAddressFuture.getData().getObject();
+                    Platform.runLater(() -> onAddressFound(peerAddress, listener));
+                }
+                else
+                {
+                    Platform.runLater(() -> onGetPeerAddressFailed(listener));
+                }
             }
         });
     }
 
-    private void onPeerFound(PeerAddress peerAddress)
+    private void onAddressFound(final PeerAddress peerAddress, AddressLookupListener listener)
     {
-        if (!peerAddress.equals(myPeerInstance.getPeerAddress()))
+        listener.onResult(peerAddress);
+    }
+
+    private void onGetPeerAddressFailed(AddressLookupListener listener)
+    {
+        listener.onFailed();
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Trade process
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void sendTradeMessage(final PeerAddress peerAddress, final TradeMessage tradeMessage, TradeMessageListener listener)
+    {
+        final PeerConnection peerConnection = myPeer.createPeerConnection(peerAddress, 10);
+        final FutureResponse sendFuture = myPeer.sendDirect(peerConnection).setObject(tradeMessage).start();
+        sendFuture.addListener(new BaseFutureAdapter<BaseFuture>()
         {
-            otherPeerAddress = peerAddress;
-            for (MessageListener messageListener : messageListeners)
-                messageListener.onPeerFound();
+            @Override
+            public void operationComplete(BaseFuture baseFuture) throws Exception
+            {
+                if (sendFuture.isSuccess())
+                {
+                    Platform.runLater(() -> onSendTradingMessageResult(listener));
+                }
+                else
+                {
+                    Platform.runLater(() -> onSendTradingMessageFailed(listener));
+                }
+            }
         }
+        );
+    }
+
+    private void onSendTradingMessageResult(TradeMessageListener listener)
+    {
+        listener.onResult();
+    }
+
+    private void onSendTradingMessageFailed(TradeMessageListener listener)
+    {
+        listener.onFailed();
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Process incoming tradingMessage
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void processTradingMessage(TradeMessage tradeMessage, PeerAddress sender)
+    {
+        //TODO change to map (key: offerID) instead of list (offererPaymentProtocols, takerPaymentProtocols)
+        log.info("processTradingMessage " + tradeMessage.getType().toString());
+        switch (tradeMessage.getType())
+        {
+            case REQUEST_TAKE_OFFER:
+                // That is used to initiate the OffererPaymentProtocol and to show incoming requests in the view
+                for (TakeOfferRequestListener takeOfferRequestListener : takeOfferRequestListeners)
+                    takeOfferRequestListener.onTakeOfferRequested(tradeMessage, sender);
+                break;
+            case ACCEPT_TAKE_OFFER_REQUEST:
+                for (TakerPaymentProtocol takeOfferTradeListener : takerPaymentProtocols)
+                    takeOfferTradeListener.onTakeOfferRequestAccepted();
+                break;
+            case REJECT_TAKE_OFFER_REQUEST:
+                for (TakerPaymentProtocol takeOfferTradeListener : takerPaymentProtocols)
+                    takeOfferTradeListener.onTakeOfferRequestRejected();
+                break;
+            case TAKE_OFFER_FEE_PAYED:
+                for (OffererPaymentProtocol offererPaymentProtocol : offererPaymentProtocols)
+                    offererPaymentProtocol.onTakeOfferFeePayed(tradeMessage);
+                break;
+            case REQUEST_TAKER_DEPOSIT_PAYMENT:
+                for (TakerPaymentProtocol takeOfferTradeListener : takerPaymentProtocols)
+                    takeOfferTradeListener.onTakerDepositPaymentRequested(tradeMessage);
+                break;
+            case REQUEST_OFFERER_DEPOSIT_PUBLICATION:
+                for (OffererPaymentProtocol offererPaymentProtocol : offererPaymentProtocols)
+                    offererPaymentProtocol.onDepositTxReadyForPublication(tradeMessage);
+                break;
+            case DEPOSIT_TX_PUBLISHED:
+                for (TakerPaymentProtocol takeOfferTradeListener : takerPaymentProtocols)
+                    takeOfferTradeListener.onDepositTxPublished(tradeMessage);
+                break;
+            case BANK_TX_INITED:
+                for (TakerPaymentProtocol takeOfferTradeListener : takerPaymentProtocols)
+                    takeOfferTradeListener.onBankTransferInited();
+                break;
+
+            default:
+                log.info("default");
+                break;
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Ping peer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    //TODO not working anymore...
+    public void pingPeer(String publicKeyAsHex)
+    {
+        Number160 location = Number160.createHash(publicKeyAsHex);
+        final FutureDHT getPeerAddressFuture = myPeer.get(location).start();
+        getPeerAddressFuture.addListener(new BaseFutureAdapter<BaseFuture>()
+        {
+            @Override
+            public void operationComplete(BaseFuture baseFuture) throws Exception
+            {
+                final Data data = getPeerAddressFuture.getData();
+                if (data != null && data.getObject() instanceof PeerAddress)
+                {
+                    final PeerAddress peerAddress = (PeerAddress) data.getObject();
+                    Platform.runLater(() -> onAddressFoundPingPeer(peerAddress));
+                }
+            }
+        });
+    }
+
+
+    private void onAddressFoundPingPeer(PeerAddress peerAddress)
+    {
+        try
+        {
+            final PeerConnection peerConnection = myPeer.createPeerConnection(peerAddress, 10);
+            if (!peerConnection.isClosed())
+            {
+                FutureResponse sendFuture = myPeer.sendDirect(peerConnection).setObject(PING).start();
+                sendFuture.addListener(new BaseFutureAdapter<BaseFuture>()
+                {
+                    @Override
+                    public void operationComplete(BaseFuture baseFuture) throws Exception
+                    {
+                        if (sendFuture.isSuccess())
+                        {
+                            final String pong = (String) sendFuture.getObject();
+                            if (pong != null)
+                                Platform.runLater(() -> onResponseFromPing(pong.equals(PONG)));
+                        }
+                        else
+                        {
+                            peerConnection.close();
+                            Platform.runLater(() -> onResponseFromPing(false));
+                        }
+                    }
+                }
+                );
+            }
+        } catch (Exception e)
+        {
+            //  ClosedChannelException can happen, check out if there is a better way to ping a myPeerInstance for online status
+        }
+    }
+
+    private void onResponseFromPing(boolean success)
+    {
+        for (PingPeerListener pingPeerListener : pingPeerListeners)
+            pingPeerListener.onPingPeerResult(success);
     }
 
 
@@ -270,15 +535,6 @@ public class MessageFacade
     // Misc
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public boolean isOtherPeerDefined()
-    {
-        return otherPeerAddress != null;
-    }
-
-    public String getPubKeyAsHex()
-    {
-        return Utils.bytesToHexString(keyPair.getPublic().getEncoded());
-    }
 
     public PublicKey getPubKey()
     {
@@ -289,14 +545,54 @@ public class MessageFacade
     // Event Listeners
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void addMessageListener(MessageListener listener)
+    public void addMessageListener(OrderBookListener listener)
     {
-        messageListeners.add(listener);
+        orderBookListeners.add(listener);
     }
 
-    public void removeMessageListener(MessageListener listener)
+    public void removeMessageListener(OrderBookListener listener)
     {
-        messageListeners.remove(listener);
+        orderBookListeners.remove(listener);
+    }
+
+    public void addTakeOfferRequestListener(TakeOfferRequestListener listener)
+    {
+        takeOfferRequestListeners.add(listener);
+    }
+
+    public void removeTakeOfferRequestListener(TakeOfferRequestListener listener)
+    {
+        takeOfferRequestListeners.remove(listener);
+    }
+
+    public void addTakerPaymentProtocol(TakerPaymentProtocol listener)
+    {
+        takerPaymentProtocols.add(listener);
+    }
+
+    public void removeTakerPaymentProtocol(TakerPaymentProtocol listener)
+    {
+        takerPaymentProtocols.remove(listener);
+    }
+
+    public void addOffererPaymentProtocol(OffererPaymentProtocol listener)
+    {
+        offererPaymentProtocols.add(listener);
+    }
+
+    public void removeOffererPaymentProtocol(OffererPaymentProtocol listener)
+    {
+        offererPaymentProtocols.remove(listener);
+    }
+
+    public void addPingPeerListener(PingPeerListener listener)
+    {
+        pingPeerListeners.add(listener);
+    }
+
+    public void removePingPeerListener(PingPeerListener listener)
+    {
+        pingPeerListeners.remove(listener);
     }
 
 
@@ -306,43 +602,59 @@ public class MessageFacade
 
     private void createMyPeerInstance(String keyName, int port) throws IOException
     {
-        keyPair = MsgKeyUtil.getKeyPair(keyName);
-        myPeerInstance = new PeerMaker(keyPair).setPorts(port).makeAndListen();
-
-        //TODO use list of multiple master bootstrap peers
-        /*PeerAddress bootstrapServerPeerAddress = new PeerAddress(BootstrapMasterPeer.ID, new InetSocketAddress(InetAddress.getByName(MASTER_PEER_IP), port));
-        FutureBootstrap futureBootstrap = myPeerInstance.bootstrap().setPeerAddress(bootstrapServerPeerAddress).start();
-         */
-        FutureBootstrap futureBootstrap = myPeerInstance.bootstrap().setBroadcast().setPorts(MASTER_PEER_PORT).start();
-        if (futureBootstrap != null)
+        keyPair = DSAKeyUtil.getKeyPair(keyName);
+        myPeer = new PeerMaker(keyPair).setPorts(port).makeAndListen();
+        final FutureBootstrap futureBootstrap = myPeer.bootstrap().setBroadcast().setPorts(MASTER_PEER_PORT).start();
+        // futureBootstrap.awaitUninterruptibly();
+        futureBootstrap.addListener(new BaseFutureAdapter<BaseFuture>()
         {
-            futureBootstrap.awaitUninterruptibly();
-            if (futureBootstrap.getBootstrapTo() != null)
+            @Override
+            public void operationComplete(BaseFuture future) throws Exception
             {
-                PeerAddress peerAddress = futureBootstrap.getBootstrapTo().iterator().next();
-                myPeerInstance.discover().setPeerAddress(peerAddress).start().awaitUninterruptibly();
+                if (futureBootstrap.getBootstrapTo() != null)
+                {
+                    PeerAddress masterPeerAddress = futureBootstrap.getBootstrapTo().iterator().next();
+                    final FutureDiscover futureDiscover = myPeer.discover().setPeerAddress(masterPeerAddress).start();
+                    //futureDiscover.awaitUninterruptibly();
+                    futureDiscover.addListener(new BaseFutureListener<BaseFuture>()
+                    {
+                        @Override
+                        public void operationComplete(BaseFuture future) throws Exception
+                        {
+                            //System.out.println("operationComplete");
+                        }
+
+                        @Override
+                        public void exceptionCaught(Throwable t) throws Exception
+                        {
+                            System.err.println("exceptionCaught");
+                        }
+                    });
+                }
             }
-        }
+        });
     }
 
     private void setupStorage() throws IOException
     {
-        //TODO WalletFacade.WALLET_PREFIX just temp...
-        String dirPath = io.bitsquare.util.Utils.getRootDir() + "tomP2P_" + WalletFacade.WALLET_PREFIX;
+        //TODO BitSquare.ID just temp...
+        String dirPath = Utilities.getRootDir() + "tomP2P_" + BitSquare.ID;
         File dirFile = new File(dirPath);
         boolean success = true;
         if (!dirFile.exists())
             success = dirFile.mkdir();
 
         if (success)
-            myPeerInstance.getPeerBean().setStorage(new StorageDisk(dirPath));
+            myPeer.getPeerBean().setStorage(new StorageDisk(dirPath));
         else
             log.warn("Unable to create directory " + dirPath);
     }
 
     private void saveMyAddressToDHT() throws IOException
     {
-        myPeerInstance.put(getPubKeyHash(getPubKeyAsHex())).setData(new Data(myPeerInstance.getPeerAddress())).start();
+        Number160 location = Number160.createHash(DSAKeyUtil.getHexStringFromPublicKey(getPubKey()));
+        //log.debug("saveMyAddressToDHT location "+location.toString());
+        myPeer.put(location).setData(new Data(myPeer.getPeerAddress())).start();
     }
 
 
@@ -352,47 +664,32 @@ public class MessageFacade
 
     private void setupReplyHandler()
     {
-        myPeerInstance.setObjectDataReply(new ObjectDataReply()
+        myPeer.setObjectDataReply(new ObjectDataReply()
         {
             @Override
             public Object reply(PeerAddress sender, Object request) throws Exception
             {
-                String reply = null;
-                if (!sender.equals(myPeerInstance.getPeerAddress()))
+                if (!sender.equals(myPeer.getPeerAddress()))
                 {
-                    otherPeerAddress = sender;
-
-                    Platform.runLater(() -> onMessage(request));
-                    if (request.equals(PING))
-                    {
-                        Platform.runLater(() -> onPing());
-                    }
+                    Platform.runLater(() -> onMessage(request, sender));
                 }
-                return reply;
+                return null;
             }
         });
     }
 
-    private void onMessage(Object message)
+    private void onMessage(Object request, PeerAddress sender)
     {
-        for (MessageListener messageListener : messageListeners)
-            messageListener.onMessage(message);
+        if (request instanceof TradeMessage)
+        {
+            processTradingMessage((TradeMessage) request, sender);
+        }
+       /* else
+        {
+            for (OrderBookListener orderBookListener : orderBookListeners)
+                orderBookListener.onMessage(request);
+        }  */
     }
 
-    private void onPing()
-    {
-        for (MessageListener messageListener : messageListeners)
-            messageListener.onPing();
-    }
-
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Utils
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    private Number160 getPubKeyHash(String pubKeyAsHex)
-    {
-        return net.tomp2p.utils.Utils.makeSHAHash(pubKeyAsHex);
-    }
 
 }

src/main/java/io/bitsquare/msg/MessageListener.java

@@ -1,26 +0,0 @@
-package io.bitsquare.msg;
-
-import net.tomp2p.peers.Number160;
-import net.tomp2p.storage.Data;
-
-import java.util.EventListener;
-import java.util.Map;
-
-public interface MessageListener extends EventListener
-{
-    void onMessage(Object message);
-
-    void onPing();
-
-    void onOfferPublished(boolean success);
-
-    void onSendFailed();
-
-    void onResponseFromSend(Object response);
-
-    void onPeerFound();
-
-    void onOffersReceived(Map<Number160, Data> dataMap, boolean success);
-
-    void onOfferRemoved(boolean success);
-}

src/main/java/io/bitsquare/msg/TradeMessage.java

@@ -0,0 +1,181 @@
+package io.bitsquare.msg;
+
+import io.bitsquare.bank.BankAccount;
+
+import java.io.Serializable;
+import java.math.BigInteger;
+import java.util.UUID;
+
+public class TradeMessage implements Serializable
+{
+    private static final long serialVersionUID = 7916445031849763995L;
+
+    private String uid;
+
+    private String takerMessagePubKey;
+    private String signedTakerDepositTxAsHex;
+    private String txScriptSigAsHex;
+    private String txConnOutAsHex;
+    private String contractAsJson;
+    private String takerContractSignature;
+    private TradeMessageType type;
+    private String depositTxID;
+    private BigInteger tradeAmount;
+    private String takeOfferFeeTxID;
+    private String takerMultiSigPubKey;
+    private String offerUID;
+    private BankAccount bankAccount;
+    private String accountID;
+    private String offererPubKey;
+    private String preparedOffererDepositTxAsHex;
+
+    public TradeMessage(TradeMessageType type, String offerUID)
+    {
+        this.offerUID = offerUID;
+        this.type = type;
+
+        uid = UUID.randomUUID().toString();
+    }
+
+    public TradeMessage(TradeMessageType type, String offerUID, BigInteger tradeAmount, String takeOfferFeeTxID, String takerMultiSigPubKey)
+    {
+        this.offerUID = offerUID;
+        this.type = type;
+        this.tradeAmount = tradeAmount;
+        this.takeOfferFeeTxID = takeOfferFeeTxID;
+        this.takerMultiSigPubKey = takerMultiSigPubKey;
+
+        uid = UUID.randomUUID().toString();
+    }
+
+    public TradeMessage(TradeMessageType type, String offerUID, BankAccount bankAccount, String accountID, String offererPubKey, String preparedOffererDepositTxAsHex)
+    {
+        this.offerUID = offerUID;
+        this.type = type;
+        this.bankAccount = bankAccount;
+        this.accountID = accountID;
+        this.offererPubKey = offererPubKey;
+        this.preparedOffererDepositTxAsHex = preparedOffererDepositTxAsHex;
+
+        uid = UUID.randomUUID().toString();
+    }
+
+    public TradeMessage(TradeMessageType type, String offerUID,
+                        BankAccount bankAccount,
+                        String accountID,
+                        String takerMessagePubKey,
+                        String signedTakerDepositTxAsHex,
+                        String txScriptSigAsHex,
+                        String txConnOutAsHex,
+                        String contractAsJson,
+                        String takerContractSignature)
+    {
+        this.offerUID = offerUID;
+        this.type = type;
+        this.bankAccount = bankAccount;
+        this.accountID = accountID;
+        this.takerMessagePubKey = takerMessagePubKey;
+        this.signedTakerDepositTxAsHex = signedTakerDepositTxAsHex;
+        this.txScriptSigAsHex = txScriptSigAsHex;
+        this.txConnOutAsHex = txConnOutAsHex;
+        this.contractAsJson = contractAsJson;
+        this.takerContractSignature = takerContractSignature;
+
+        uid = UUID.randomUUID().toString();
+    }
+
+    public TradeMessage(TradeMessageType type, String offerUID, String depositTxID)
+    {
+        this.offerUID = offerUID;
+        this.type = type;
+        this.depositTxID = depositTxID;
+
+        uid = UUID.randomUUID().toString();
+    }
+
+
+    public String getUid()
+    {
+        return uid;
+    }
+
+    public TradeMessageType getType()
+    {
+        return type;
+    }
+
+    public String getTakeOfferFeeTxID()
+    {
+        return takeOfferFeeTxID;
+    }
+
+    public String getOfferUID()
+    {
+        return offerUID;
+    }
+
+    public BankAccount getBankAccount()
+    {
+        return bankAccount;
+    }
+
+    public String getAccountID()
+    {
+        return accountID;
+    }
+
+    public String getTakerMultiSigPubKey()
+    {
+        return takerMultiSigPubKey;
+    }
+
+    public String getPreparedOffererDepositTxAsHex()
+    {
+        return preparedOffererDepositTxAsHex;
+    }
+
+    public BigInteger getTradeAmount()
+    {
+        return tradeAmount;
+    }
+
+    public String getTakerMessagePubKey()
+    {
+        return takerMessagePubKey;
+    }
+
+    public String getSignedTakerDepositTxAsHex()
+    {
+        return signedTakerDepositTxAsHex;
+    }
+
+    public String getContractAsJson()
+    {
+        return contractAsJson;
+    }
+
+    public String getTakerContractSignature()
+    {
+        return takerContractSignature;
+    }
+
+    public String getTxScriptSigAsHex()
+    {
+        return txScriptSigAsHex;
+    }
+
+    public String getTxConnOutAsHex()
+    {
+        return txConnOutAsHex;
+    }
+
+    public String getDepositTxID()
+    {
+        return depositTxID;
+    }
+
+    public String getOffererPubKey()
+    {
+        return offererPubKey;
+    }
+}

src/main/java/io/bitsquare/msg/TradeMessageType.java

@@ -0,0 +1,13 @@
+package io.bitsquare.msg;
+
+public enum TradeMessageType
+{
+    REQUEST_TAKE_OFFER,
+    ACCEPT_TAKE_OFFER_REQUEST,
+    REJECT_TAKE_OFFER_REQUEST,
+    TAKE_OFFER_FEE_PAYED,
+    REQUEST_TAKER_DEPOSIT_PAYMENT,
+    REQUEST_OFFERER_DEPOSIT_PUBLICATION,
+    DEPOSIT_TX_PUBLISHED,
+    BANK_TX_INITED
+}

src/main/java/io/bitsquare/msg/listeners/AddressLookupListener.java

@@ -0,0 +1,10 @@
+package io.bitsquare.msg.listeners;
+
+import net.tomp2p.peers.PeerAddress;
+
+public interface AddressLookupListener
+{
+    void onResult(PeerAddress peerAddress);
+
+    void onFailed();
+}

src/main/java/io/bitsquare/msg/listeners/OrderbookListener.java

@@ -0,0 +1,16 @@
+package io.bitsquare.msg.listeners;
+
+import net.tomp2p.peers.Number160;
+import net.tomp2p.storage.Data;
+
+import java.util.Map;
+
+public interface OrderBookListener
+{
+    void onOfferAdded(Data offerData, boolean success);
+
+    void onOffersReceived(Map<Number160, Data> dataMap, boolean success);
+
+    void onOfferRemoved(Data data, boolean success);
+
+}

src/main/java/io/bitsquare/msg/listeners/PingPeerListener.java

@@ -0,0 +1,8 @@
+package io.bitsquare.msg.listeners;
+
+public interface PingPeerListener
+{
+    void onPing();
+
+    void onPingPeerResult(boolean success);
+}

src/main/java/io/bitsquare/msg/listeners/TakeOfferRequestListener.java

@@ -0,0 +1,9 @@
+package io.bitsquare.msg.listeners;
+
+import io.bitsquare.msg.TradeMessage;
+import net.tomp2p.peers.PeerAddress;
+
+public interface TakeOfferRequestListener
+{
+    void onTakeOfferRequested(TradeMessage tradeMessage, PeerAddress sender);
+}

src/main/java/io/bitsquare/msg/listeners/TradeMessageListener.java

@@ -0,0 +1,8 @@
+package io.bitsquare.msg.listeners;
+
+public interface TradeMessageListener
+{
+    void onFailed();
+
+    void onResult();
+}

src/main/java/io/bitsquare/settings/Settings.java

@@ -16,8 +16,8 @@ public class Settings implements Serializable
     private List<Locale> acceptedLanguageLocales = new ArrayList<>();
     private List<Locale> acceptedCountryLocales = new ArrayList<>();
     private List<Arbitrator> acceptedArbitrators = new ArrayList<>();
-    private double maxCollateral;
-    private double minCollateral;
+    private int maxCollateral;
+    private int minCollateral;
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor
@@ -63,12 +63,12 @@ public class Settings implements Serializable
             acceptedArbitrators.add(arbitrator);
     }
 
-    public void setMaxCollateral(double maxCollateral)
+    public void setMaxCollateral(int maxCollateral)
     {
         this.maxCollateral = maxCollateral;
     }
 
-    public void setMinCollateral(double minCollateral)
+    public void setMinCollateral(int minCollateral)
     {
         this.minCollateral = minCollateral;
     }
@@ -92,26 +92,27 @@ public class Settings implements Serializable
         return acceptedCountryLocales;
     }
 
-    public Arbitrator getRandomArbitrator(double collateral, BigInteger amount)
+    //TODO
+    public Arbitrator getRandomArbitrator(int collateral, BigInteger amount)
     {
         List<Arbitrator> candidates = new ArrayList<>();
         for (Arbitrator arbitrator : acceptedArbitrators)
         {
-            if (arbitrator.getArbitrationFeePercent() >= collateral &&
-                    arbitrator.getMinArbitrationFee().compareTo(amount) < 0)
-            {
-                candidates.add(arbitrator);
-            }
+            /*if (arbitrator.getArbitrationFeePercent() >= collateral &&
+                    arbitrator.getMinArbitrationAmount().compareTo(amount) < 0)
+            {   */
+            candidates.add(arbitrator);
+            // }
         }
         return candidates.size() > 0 ? candidates.get((int) (Math.random() * candidates.size())) : null;
     }
 
-    public double getMaxCollateral()
+    public int getMaxCollateral()
     {
         return maxCollateral;
     }
 
-    public double getMinCollateral()
+    public int getMinCollateral()
     {
         return minCollateral;
     }

src/main/java/io/bitsquare/storage/Storage.java

@@ -1,6 +1,7 @@
 package io.bitsquare.storage;
 
-import io.bitsquare.util.Utils;
+import io.bitsquare.BitSquare;
+import io.bitsquare.util.Utilities;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -16,7 +17,7 @@ public class Storage
     private static final Logger log = LoggerFactory.getLogger(Storage.class);
 
     //TODO save in users preferences location
-    private final String preferencesFileName = "preferences.ser";
+    private final String preferencesFileName = "pref_" + BitSquare.ID + ".ser";
     private final String storageFile;
     private Map<String, Object> dict;
 
@@ -27,7 +28,7 @@ public class Storage
 
     public Storage()
     {
-        storageFile = Utils.getRootDir() + preferencesFileName;
+        storageFile = Utilities.getRootDir() + preferencesFileName;
 
         dict = readDataVO();
         if (dict == null)

src/main/java/io/bitsquare/trade/Contract.java

@@ -1,61 +1,107 @@
 package io.bitsquare.trade;
 
-import io.bitsquare.user.User;
+import io.bitsquare.bank.BankAccount;
 
-import java.util.UUID;
+import java.io.Serializable;
+import java.math.BigInteger;
 
-public class Contract
+public class Contract implements Serializable
 {
-    private User taker;
-    private Trade trade;
-    private String takerPubKey;
-    private String offererPubKey;
+    private static final long serialVersionUID = 71472356206100158L;
 
-    public Contract(User taker, Trade trade, String takerPubKey)
+    private Offer offer;
+    private String takeOfferFeeTxID;
+    private BigInteger tradeAmount;
+    private String offererAccountID;
+    private String takerAccountID;
+    private BankAccount offererBankAccount;
+    private BankAccount takerBankAccount;
+    private String offererMessagePubKeyAsHex;
+    private String takerMessagePubKeyAsHex;
+
+    public Contract(Offer offer,
+                    BigInteger tradeAmount,
+                    String takeOfferFeeTxID,
+                    String offererAccountID,
+                    String takerAccountID,
+                    BankAccount offererBankAccount,
+                    BankAccount takerBankAccount,
+                    String offererMessagePubKeyAsHex,
+                    String takerMessagePubKeyAsHex)
     {
-        this.taker = taker;
-        this.trade = trade;
-        this.takerPubKey = takerPubKey;
+        this.offer = offer;
+        this.tradeAmount = tradeAmount;
+        this.takeOfferFeeTxID = takeOfferFeeTxID;
+        this.offererAccountID = offererAccountID;
+        this.takerAccountID = takerAccountID;
+        this.offererBankAccount = offererBankAccount;
+        this.takerBankAccount = takerBankAccount;
+        this.offererMessagePubKeyAsHex = offererMessagePubKeyAsHex;
+        this.takerMessagePubKeyAsHex = takerMessagePubKeyAsHex;
     }
 
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Setters
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    public void setOffererPubKey(String offererPubKey)
-    {
-        this.offererPubKey = offererPubKey;
-    }
-
-
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public UUID getUid()
+    public Offer getOffer()
     {
-        return trade.getUid();
+        return offer;
     }
 
-    public User getTaker()
+    public String getTakeOfferFeeTxID()
     {
-        return taker;
+        return takeOfferFeeTxID;
     }
 
-    public String getTakerPubKey()
+    public BigInteger getTradeAmount()
     {
-        return takerPubKey;
+        return tradeAmount;
     }
 
-    public Trade getTrade()
+    public String getOffererAccountID()
     {
-        return trade;
+        return offererAccountID;
     }
 
-    public String getOffererPubKey()
+    public String getTakerAccountID()
     {
-        return offererPubKey;
+        return takerAccountID;
     }
 
+    public BankAccount getOffererBankAccount()
+    {
+        return offererBankAccount;
+    }
+
+    public BankAccount getTakerBankAccount()
+    {
+        return takerBankAccount;
+    }
+
+    public String getTakerMessagePubKeyAsHex()
+    {
+        return takerMessagePubKeyAsHex;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Contract{" +
+                "offer=" + offer +
+                ", takeOfferFeeTxID='" + takeOfferFeeTxID + '\'' +
+                ", tradeAmount=" + tradeAmount +
+                ", offererAccountID='" + offererAccountID + '\'' +
+                ", takerAccountID='" + takerAccountID + '\'' +
+                ", offererBankAccount=" + offererBankAccount +
+                ", takerBankAccount=" + takerBankAccount +
+                ", offererMessagePubKeyAsHex='" + offererMessagePubKeyAsHex + '\'' +
+                ", takerMessagePubKeyAsHex='" + takerMessagePubKeyAsHex + '\'' +
+                '}';
+    }
+
+    public String getOffererMessagePubKeyAsHex()
+    {
+        return offererMessagePubKeyAsHex;
+    }
 }

src/main/java/io/bitsquare/trade/Offer.java

@@ -1,34 +1,38 @@
 package io.bitsquare.trade;
 
 import io.bitsquare.bank.BankAccountType;
+import io.bitsquare.btc.BtcFormatter;
 import io.bitsquare.user.Arbitrator;
 
+import java.io.Serializable;
 import java.math.BigInteger;
 import java.util.Currency;
 import java.util.List;
 import java.util.Locale;
 import java.util.UUID;
 
-public class Offer
+public class Offer implements Serializable
 {
+    private static final long serialVersionUID = -971164804305475826L;
+
     // key attributes for lookup
     private Direction direction;
     private Currency currency;
 
-    private UUID uid;
+    private String uid;
 
     private double price;
     private BigInteger amount;
     private BigInteger minAmount;
-    private String accountID;
-    private String messageID;
+    private String messagePubKeyAsHex;
     private BankAccountType.BankAccountTypeEnum bankAccountTypeEnum;
     private Locale bankAccountCountryLocale;
 
-    private double collateral;
+    private int collateral;
     private List<Locale> acceptedCountryLocales;
     private List<Locale> acceptedLanguageLocales;
-    private String offerPaymentTxID;
+    private String offerFeePaymentTxID;
+    private String bankAccountUID;
     private Arbitrator arbitrator;
 
 
@@ -36,8 +40,7 @@ public class Offer
     // Constructor
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public Offer(String accountID,
-                 String messageID,
+    public Offer(String messagePubKeyAsHex,
                  Direction direction,
                  double price,
                  BigInteger amount,
@@ -45,13 +48,13 @@ public class Offer
                  BankAccountType.BankAccountTypeEnum bankAccountTypeEnum,
                  Currency currency,
                  Locale bankAccountCountryLocale,
+                 String bankAccountUID,
                  Arbitrator arbitrator,
-                 double collateral,
+                 int collateral,
                  List<Locale> acceptedCountryLocales,
                  List<Locale> acceptedLanguageLocales)
     {
-        this.accountID = accountID;
-        this.messageID = messageID;
+        this.messagePubKeyAsHex = messagePubKeyAsHex;
         this.direction = direction;
         this.price = price;
         this.amount = amount;
@@ -59,12 +62,13 @@ public class Offer
         this.bankAccountTypeEnum = bankAccountTypeEnum;
         this.currency = currency;
         this.bankAccountCountryLocale = bankAccountCountryLocale;
+        this.bankAccountUID = bankAccountUID;
         this.arbitrator = arbitrator;
         this.collateral = collateral;
         this.acceptedCountryLocales = acceptedCountryLocales;
         this.acceptedLanguageLocales = acceptedLanguageLocales;
 
-        uid = UUID.randomUUID();
+        this.uid = UUID.randomUUID().toString();
     }
 
 
@@ -72,9 +76,9 @@ public class Offer
     // Setters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void setOfferPaymentTxID(String offerPaymentTxID)
+    public void setOfferFeePaymentTxID(String offerFeePaymentTxID)
     {
-        this.offerPaymentTxID = offerPaymentTxID;
+        this.offerFeePaymentTxID = offerFeePaymentTxID;
     }
 
 
@@ -82,17 +86,12 @@ public class Offer
     // Getters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public String getAccountID()
+    public String getMessagePubKeyAsHex()
     {
-        return accountID;
+        return messagePubKeyAsHex;
     }
 
-    public String getMessageID()
-    {
-        return messageID;
-    }
-
-    public UUID getUid()
+    public String getUid()
     {
         return uid;
     }
@@ -144,17 +143,17 @@ public class Offer
 
     public double getVolume()
     {
-        return price * amount.doubleValue();
+        return price * BtcFormatter.satoshiToBTC(amount);
     }
 
     public double getMinVolume()
     {
-        return price * minAmount.doubleValue();
+        return price * BtcFormatter.satoshiToBTC(minAmount);
     }
 
-    public String getOfferPaymentTxID()
+    public String getOfferFeePaymentTxID()
     {
-        return offerPaymentTxID;
+        return offerFeePaymentTxID;
     }
 
     public Arbitrator getArbitrator()
@@ -162,8 +161,35 @@ public class Offer
         return arbitrator;
     }
 
-    public double getCollateral()
+    public int getCollateral()
     {
         return collateral;
     }
+
+    public String getBankAccountUID()
+    {
+        return bankAccountUID;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Offer{" +
+                "direction=" + direction +
+                ", currency=" + currency +
+                ", uid='" + uid + '\'' +
+                ", price=" + price +
+                ", amount=" + amount +
+                ", minAmount=" + minAmount +
+                ", messagePubKey=" + messagePubKeyAsHex.hashCode() +
+                ", bankAccountTypeEnum=" + bankAccountTypeEnum +
+                ", bankAccountCountryLocale=" + bankAccountCountryLocale +
+                ", collateral=" + collateral +
+                ", acceptedCountryLocales=" + acceptedCountryLocales +
+                ", acceptedLanguageLocales=" + acceptedLanguageLocales +
+                ", offerFeePaymentTxID='" + offerFeePaymentTxID + '\'' +
+                ", bankAccountUID='" + bankAccountUID + '\'' +
+                ", arbitrator=" + arbitrator +
+                '}';
+    }
 }

src/main/java/io/bitsquare/trade/Trade.java

@@ -1,81 +1,131 @@
 package io.bitsquare.trade;
 
-import java.math.BigInteger;
-import java.util.UUID;
+import com.google.bitcoin.core.Transaction;
+import javafx.beans.property.SimpleBooleanProperty;
 
-public class Trade
+import java.io.Serializable;
+import java.math.BigInteger;
+
+public class Trade implements Serializable
 {
+    private static final long serialVersionUID = -8275323072940974077L;
+
+    transient private final SimpleBooleanProperty depositTxChangedProperty = new SimpleBooleanProperty();
+
     private Offer offer;
-    private boolean takeOfferRequested;
-    private boolean takeOfferAccepted;
-    private BigInteger requestedAmount;
-    private boolean takeOfferFeePaymentConfirmed;
-    private String jsonRepresentation;
-    private String signature;
     private String takeOfferFeeTxID;
+    private BigInteger tradeAmount;
+    private Contract contract;
+    private String contractAsJson;
+    private String takerSignature;
+    private Transaction depositTransaction;
 
     public Trade(Offer offer)
     {
         this.offer = offer;
     }
 
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Setters
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+
+    public void setTakeOfferFeeTxID(String takeOfferFeeTxID)
+    {
+        this.takeOfferFeeTxID = takeOfferFeeTxID;
+    }
+
+    public void setTradeAmount(BigInteger tradeAmount)
+    {
+        this.tradeAmount = tradeAmount;
+    }
+
+    public void setContract(Contract contract)
+    {
+        this.contract = contract;
+    }
+
+    public void setContractAsJson(String contractAsJson)
+    {
+        this.contractAsJson = contractAsJson;
+    }
+
+    public void setContractTakerSignature(String takerSignature)
+    {
+        this.takerSignature = takerSignature;
+    }
+
+    public void setDepositTransaction(Transaction depositTransaction)
+    {
+        this.depositTransaction = depositTransaction;
+        depositTxChangedProperty.set(!depositTxChangedProperty.get());
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Getters
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public String getUid()
+    {
+        return offer.getUid();
+    }
+
     public Offer getOffer()
     {
         return offer;
     }
 
-    public UUID getUid()
+    public String getTakeOfferFeeTxID()
     {
-        return offer.getUid();
+        return takeOfferFeeTxID;
     }
 
-    public void setJsonRepresentation(String jsonRepresentation)
+    public BigInteger getTradeAmount()
     {
-        this.jsonRepresentation = jsonRepresentation;
+        return tradeAmount;
     }
 
-    public void setSignature(String signature)
+    public Contract getContract()
     {
-        this.signature = signature;
+        return contract;
     }
 
-    public boolean isTakeOfferRequested()
+    public String getContractAsJson()
     {
-        return takeOfferRequested;
+        return contractAsJson;
     }
 
-    public void setTakeOfferRequested(boolean takeOfferRequested)
+    public String getTakerSignature()
     {
-        this.takeOfferRequested = takeOfferRequested;
+        return takerSignature;
     }
 
-    public boolean isTakeOfferAccepted()
+    public Transaction getDepositTransaction()
     {
-        return takeOfferAccepted;
+        return depositTransaction;
     }
 
-    public void setTakeOfferAccepted(boolean takeOfferAccepted)
+    public SimpleBooleanProperty getDepositTxChangedProperty()
     {
-        this.takeOfferAccepted = takeOfferAccepted;
+        return depositTxChangedProperty;
+    }
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // toString
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public String toString()
+    {
+        return "Trade{" +
+                "offer=" + offer +
+                ", takeOfferFeeTxID='" + takeOfferFeeTxID + '\'' +
+                ", tradeAmount=" + tradeAmount +
+                ", contract=" + contract +
+                ", contractAsJson='" + contractAsJson + '\'' +
+                ", takerSignature='" + takerSignature + '\'' +
+                '}';
     }
 
-    public BigInteger getRequestedAmount()
-    {
-        return requestedAmount;
-    }
 
-    public void setTradeAmount(BigInteger requestedAmount)
-    {
-        this.requestedAmount = requestedAmount;
-    }
-
-    public void setTakeOfferFeePaymentConfirmed(boolean takeOfferFeePaymentConfirmed)
-    {
-        this.takeOfferFeePaymentConfirmed = takeOfferFeePaymentConfirmed;
-    }
-
-    public void setTakeOfferFeeTxID(String takeOfferFeeTxID)
-    {
-        this.takeOfferFeeTxID = takeOfferFeeTxID;
-    }
 }

src/main/java/io/bitsquare/trade/Trading.java

@@ -2,35 +2,46 @@ package io.bitsquare.trade;
 
 import com.google.bitcoin.core.InsufficientMoneyException;
 import com.google.bitcoin.core.Transaction;
+import com.google.bitcoin.core.TransactionConfidence;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.inject.Inject;
 import io.bitsquare.btc.BlockChainFacade;
 import io.bitsquare.btc.Fees;
-import io.bitsquare.btc.KeyPair;
 import io.bitsquare.btc.WalletFacade;
 import io.bitsquare.crypto.CryptoFacade;
 import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.msg.TradeMessage;
 import io.bitsquare.settings.Settings;
+import io.bitsquare.storage.Storage;
+import io.bitsquare.trade.offerer.OffererPaymentProtocol;
+import io.bitsquare.trade.offerer.OffererPaymentProtocolListener;
+import io.bitsquare.trade.taker.TakerPaymentProtocol;
+import io.bitsquare.trade.taker.TakerPaymentProtocolListener;
 import io.bitsquare.user.User;
-import io.bitsquare.util.Utils;
+import net.tomp2p.peers.PeerAddress;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
 import java.util.HashMap;
-import java.util.UUID;
+import java.util.Map;
 
 /**
  * Represents trade domain. Keeps complexity of process apart from view controller
  */
-//TODO use scheduler/process pattern with tasks for every async job
 public class Trading
 {
     private static final Logger log = LoggerFactory.getLogger(Trading.class);
 
-    private final HashMap<String, Offer> offers = new HashMap<>();
-    private final HashMap<String, Trade> trades = new HashMap<>();
-    private final HashMap<String, Contract> contracts = new HashMap<>();
+    private Map<String, Offer> myOffers = new HashMap<>();
+    private Map<String, Trade> trades = new HashMap<>();
+    private final Map<String, TakerPaymentProtocol> takerPaymentProtocols = new HashMap<>();
+
+
+    private final Map<String, OffererPaymentProtocol> offererPaymentProtocols = new HashMap<>();
+    private final String storageKey;
     private User user;
+    private Storage storage;
     private MessageFacade messageFacade;
     private BlockChainFacade blockChainFacade;
     private WalletFacade walletFacade;
@@ -45,6 +56,7 @@ public class Trading
     @Inject
     public Trading(User user,
                    Settings settings,
+                   Storage storage,
                    MessageFacade messageFacade,
                    BlockChainFacade blockChainFacade,
                    WalletFacade walletFacade,
@@ -52,10 +64,21 @@ public class Trading
     {
         this.user = user;
         this.settings = settings;
+        this.storage = storage;
         this.messageFacade = messageFacade;
         this.blockChainFacade = blockChainFacade;
         this.walletFacade = walletFacade;
         this.cryptoFacade = cryptoFacade;
+
+        storageKey = this.getClass().getName();
+
+        Object offersObject = storage.read(storageKey + ".offers");
+        if (offersObject != null && offersObject instanceof HashMap)
+            myOffers = (Map) offersObject;
+
+        Object tradesObject = storage.read(storageKey + ".trades");
+        if (tradesObject != null && tradesObject instanceof HashMap)
+            trades = (Map) tradesObject;
     }
 
 
@@ -63,79 +86,117 @@ public class Trading
     // Public Methods
     ///////////////////////////////////////////////////////////////////////////////////////////
 
+    public void cleanup()
+    {
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Offer, trade, contract
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
     public void placeNewOffer(Offer offer, FutureCallback<Transaction> callback) throws InsufficientMoneyException
     {
-        log.info("place New Offer");
-        offers.put(offer.getUid().toString(), offer);
-        walletFacade.payFee(Fees.OFFER_CREATION_FEE, callback);
+        if (myOffers.containsKey(offer.getUid()))
+            throw new IllegalStateException("offers contains already a offer with the ID " + offer.getUid());
 
-        // messageFacade.broadcast(new Message(Message.BROADCAST_NEW_OFFER, offer));
+        myOffers.put(offer.getUid(), offer);
+        storage.write(storageKey + ".offers", myOffers);
+        walletFacade.payFee(Fees.OFFER_CREATION_FEE, callback);
+    }
+
+    public void removeOffer(Offer offer) throws IOException
+    {
+        myOffers.remove(offer.getUid());
+        storage.write(storageKey + ".offers", myOffers);
     }
 
     public Trade createTrade(Offer offer)
     {
-        log.info("create New Trade");
+       /* if (trades.containsKey(offer.getUid()))
+            throw new IllegalStateException("trades contains already a trade with the ID " + offer.getUid());  */
+
         Trade trade = new Trade(offer);
-        trades.put(trade.getUid().toString(), trade);
+        trades.put(offer.getUid(), trade);
+        storage.write(storageKey + ".trades", trades);
         return trade;
     }
 
-    public Contract createContract(Trade trade)
+    public void removeTrade(Trade trade) throws IOException
     {
-        log.info("create new contract");
-        KeyPair address = new KeyPair(UUID.randomUUID().toString(), UUID.randomUUID().toString());
-        //TODO
-        Contract contract = new Contract(user, trade, address.getPubKey());
-        contracts.put(trade.getUid().toString(), contract);
-        return contract;
+        trades.remove(trade.getUid());
+        storage.write(storageKey + ".trades", trades);
+    }
+
+    public TakerPaymentProtocol addTakerPaymentProtocol(Trade trade, TakerPaymentProtocolListener listener)
+    {
+        TakerPaymentProtocol takerPaymentProtocol = new TakerPaymentProtocol(trade, listener, messageFacade, walletFacade, blockChainFacade, cryptoFacade, user);
+        takerPaymentProtocols.put(trade.getUid(), takerPaymentProtocol);
+        return takerPaymentProtocol;
+    }
+
+    public OffererPaymentProtocol addOffererPaymentProtocol(Trade trade, OffererPaymentProtocolListener listener)
+    {
+        OffererPaymentProtocol offererPaymentProtocol = new OffererPaymentProtocol(trade, listener, messageFacade, walletFacade, blockChainFacade, cryptoFacade, user);
+        offererPaymentProtocols.put(trade.getUid(), offererPaymentProtocol);
+        return offererPaymentProtocol;
+    }
+
+    public void createOffererPaymentProtocol(TradeMessage tradeMessage, PeerAddress sender)
+    {
+        Offer offer = myOffers.get(tradeMessage.getOfferUID());
+        Trade trade = createTrade(offer);
+        OffererPaymentProtocol offererPaymentProtocol = addOffererPaymentProtocol(trade, new OffererPaymentProtocolListener()
+        {
+            @Override
+            public void onProgress(double progress)
+            {
+                //log.debug("onProgress " + progress);
+            }
+
+            @Override
+            public void onFailure(String failureMessage)
+            {
+                log.warn(failureMessage);
+            }
+
+            @Override
+            public void onDepositTxPublished(String depositTxID)
+            {
+                log.debug("trading onDepositTxPublished " + depositTxID);
+            }
+
+            @Override
+            public void onDepositTxConfirmedUpdate(TransactionConfidence confidence)
+            {
+                log.debug("trading onDepositTxConfirmedUpdate");
+            }
+
+            @Override
+            public void onDepositTxConfirmedInBlockchain()
+            {
+                log.debug("trading onDepositTxConfirmedInBlockchain");
+            }
+
+        });
+
+        // the handler was not called there because the obejct was not created when the event occurred (and therefor no listener)
+        // will probably created earlier, so let it for the moment like that....
+        offererPaymentProtocol.onTakeOfferRequested(sender);
     }
 
 
-    // trade process
-    // 1
-    public void sendTakeOfferRequest(Trade trade)
+    public void onBankTransferInited(String tradeUID)
     {
-        log.info("Taker asks offerer to take his offer");
-        //messageFacade.send(new Message(Message.REQUEST_TAKE_OFFER, trade), trade.getOffer().getOfferer().getMessageID());
+        offererPaymentProtocols.get(tradeUID).bankTransferInited();
     }
 
-    // 2
-    public void payOfferFee(Trade trade, FutureCallback<Transaction> callback) throws InsufficientMoneyException
-    {
-        log.info("Pay offer fee");
 
-        walletFacade.payFee(Fees.OFFER_TAKER_FEE, callback);
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Trade process
+    ///////////////////////////////////////////////////////////////////////////////////////////
 
 
-        log.info("Taker asks offerer for confirmation for his fee payment.");
-        // messageFacade.send(new Message(Message.REQUEST_OFFER_FEE_PAYMENT_CONFIRM, trade), trade.getOffer().getOfferer().getMessageID());
-    }
-
-    // 3
-    public void requestOffererDetailData()
-    {
-        log.info("Request offerer detail data");
-
-    }
-
-    // 4
-    public void signContract(Contract contract)
-    {
-        log.info("sign Contract");
-
-        String contractAsJson = Utils.objectToJson(contract);
-
-        contract.getTrade().setJsonRepresentation(contractAsJson);
-        contract.getTrade().setSignature(cryptoFacade.signContract(walletFacade.getAccountKey(), contractAsJson));
-    }
-
-    // 5
-    public void payToDepositTx(Trade trade)
-    {
-        //walletFacade.takerAddPaymentAndSign();
-        // messageFacade.send(new Message(Message.REQUEST_OFFER_FEE_PAYMENT_CONFIRM, trade), trade.getOffer().getOfferer().getMessageID());
-    }
-
     // 6
     public void releaseBTC(Trade trade)
     {
@@ -151,9 +212,13 @@ public class Trading
     // Getters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public HashMap<String, Trade> getTrades()
+    public Map<String, Trade> getTrades()
     {
         return trades;
     }
 
+    public Offer getOffer(String offerUID)
+    {
+        return myOffers.get(offerUID.toString());
+    }
 }

src/main/java/io/bitsquare/trade/offerer/OffererPaymentProtocol.java

@@ -0,0 +1,565 @@
+package io.bitsquare.trade.offerer;
+
+import com.google.bitcoin.core.InsufficientMoneyException;
+import com.google.bitcoin.core.Transaction;
+import com.google.bitcoin.core.TransactionConfidence;
+import com.google.bitcoin.core.Utils;
+import com.google.common.util.concurrent.FutureCallback;
+import io.bitsquare.bank.BankAccount;
+import io.bitsquare.btc.BlockChainFacade;
+import io.bitsquare.btc.WalletFacade;
+import io.bitsquare.crypto.CryptoFacade;
+import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.msg.TradeMessage;
+import io.bitsquare.msg.TradeMessageType;
+import io.bitsquare.msg.listeners.TradeMessageListener;
+import io.bitsquare.trade.Contract;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trade;
+import io.bitsquare.user.User;
+import io.bitsquare.util.Utilities;
+import net.tomp2p.peers.PeerAddress;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.math.BigInteger;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+
+public class OffererPaymentProtocol
+{
+
+    private static final Logger log = LoggerFactory.getLogger(OffererPaymentProtocol.class);
+
+    private Trade trade;
+    private Offer offer;
+    private Contract contract;
+    private OffererPaymentProtocolListener offererPaymentProtocolListener;
+    private MessageFacade messageFacade;
+    private WalletFacade walletFacade;
+    private BlockChainFacade blockChainFacade;
+    private CryptoFacade cryptoFacade;
+    private User user;
+    private PeerAddress peerAddress;
+    private boolean isTakeOfferRequested;
+    private int numberOfSteps = 20;//TODO
+    private int currentStep = 0;
+    private String preparedOffererDepositTxAsHex;
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public OffererPaymentProtocol(Trade trade,
+                                  OffererPaymentProtocolListener offererPaymentProtocolListener,
+                                  MessageFacade messageFacade,
+                                  WalletFacade walletFacade,
+                                  BlockChainFacade blockChainFacade,
+                                  CryptoFacade cryptoFacade,
+                                  User user)
+    {
+        checkNotNull(trade);
+        checkNotNull(messageFacade);
+        checkNotNull(walletFacade);
+        checkNotNull(blockChainFacade);
+        checkNotNull(cryptoFacade);
+        checkNotNull(user);
+
+        this.trade = trade;
+        this.offererPaymentProtocolListener = offererPaymentProtocolListener;
+        this.messageFacade = messageFacade;
+        this.walletFacade = walletFacade;
+        this.blockChainFacade = blockChainFacade;
+        this.cryptoFacade = cryptoFacade;
+        this.user = user;
+
+        offer = trade.getOffer();
+
+        messageFacade.addOffererPaymentProtocol(this);
+
+        log.debug("0 Constr");
+    }
+
+
+    //************************************************************************************************
+    // 1.1-1.2 Takers tasks, we start when we get the take offer request
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 1.3
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    // We got a take offer request and check if the offer is not already reserved for another user.
+    // If the offer is free we send an accept message.
+
+    public void onTakeOfferRequested(PeerAddress sender)
+    {
+        log.debug("1.3 onTakeOfferRequested");
+
+        peerAddress = sender;
+        // The offer must be still available.
+        // TODO check also if offer is still in our offer list, if we canceled recently there might be inconsistency
+        if (!isTakeOfferRequested)
+        {
+            log.debug("1.3 offer not yet requested");
+            TradeMessageListener listener = new TradeMessageListener()
+            {
+                @Override
+                public void onResult()
+                {
+                    log.debug("1.3 onTakeOfferRequested ACCEPT_TAKE_OFFER_REQUEST onResult");
+                    // The accept message has arrived at the peer
+                    // We set requested flag and remove the offer from the orderbook
+                    offererPaymentProtocolListener.onProgress(getProgress());
+
+                    isTakeOfferRequested = true;
+                    try
+                    {
+                        messageFacade.removeOffer(offer);
+                    } catch (IOException e)
+                    {
+                        offererPaymentProtocolListener.onFailure("removeOffer failed " + e.getMessage());
+                    }
+
+                    // It's the takers turn again, so we are in wait mode....
+                }
+
+                @Override
+                public void onFailed()
+                {
+                    log.warn("1.3 onTakeOfferRequested ACCEPT_TAKE_OFFER_REQUEST onFailed");
+                    offererPaymentProtocolListener.onFailure("onTakeOfferRequested onSendTradingMessageFailed");
+                }
+            };
+
+            offererPaymentProtocolListener.onProgress(getProgress());
+
+            // 1.3a Send accept take offer message
+            TradeMessage tradeMessage = new TradeMessage(TradeMessageType.ACCEPT_TAKE_OFFER_REQUEST, trade.getUid());
+            messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+        }
+        else
+        {
+            log.debug("1.3 offer already requested REJECT_TAKE_OFFER_REQUEST");
+            TradeMessage tradeMessage = new TradeMessage(TradeMessageType.REJECT_TAKE_OFFER_REQUEST, trade.getUid());
+            TradeMessageListener listener = new TradeMessageListener()
+            {
+                @Override
+                public void onResult()
+                {
+                    log.debug("1.3 isTakeOfferRequested REJECT_TAKE_OFFER_REQUEST onResult");
+                    // no more steps are needed, as we are not interested in that trade
+                }
+
+                @Override
+                public void onFailed()
+                {
+                    log.warn("1.3 isTakeOfferRequested REJECT_TAKE_OFFER_REQUEST onFailed");
+                    // we can ignore that as we are not interested in that trade
+                }
+            };
+
+            // Offerer reject take offer because it's not available anymore
+            messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+        }
+    }
+
+
+    //************************************************************************************************
+    // 1.4, 2.1 - 2.2 Takers task, we wait until the next incoming message
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.3
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onTakeOfferFeePayed(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.3 onTakeOfferFeePayed");
+        trade.setTakeOfferFeeTxID(requestTradeMessage.getTakeOfferFeeTxID());
+        trade.setTradeAmount(requestTradeMessage.getTradeAmount());
+        verifyTakeOfferFeePayment(requestTradeMessage);
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.4
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void verifyTakeOfferFeePayment(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.4 verifyTakeOfferFeePayment");
+        //TODO just dummy now, will be async
+        int numOfPeersSeenTx = walletFacade.getNumOfPeersSeenTx(requestTradeMessage.getTakeOfferFeeTxID());
+        if (numOfPeersSeenTx > 2)
+        {
+            createDepositTx(requestTradeMessage);
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.5
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void createDepositTx(TradeMessage requestTradeMessage)
+    {
+        checkNotNull(requestTradeMessage);
+
+        log.debug("2.5 createDepositTx");
+
+        BigInteger collateralAmount = trade.getTradeAmount().multiply(BigInteger.valueOf(offer.getCollateral())).divide(BigInteger.valueOf(100));
+        String offererPubKey = walletFacade.getMultiSigPubKeyAsHex();
+        String takerPubKey = requestTradeMessage.getTakerMultiSigPubKey();
+        String arbitratorPubKey = offer.getArbitrator().getPubKey();
+
+        checkNotNull(requestTradeMessage.getTakerMultiSigPubKey());
+        checkNotNull(offererPubKey);
+        checkNotNull(takerPubKey);
+        checkNotNull(arbitratorPubKey);
+
+        log.debug("2.5 offererCreatesMSTxAndAddPayment");
+        log.debug("collateralAmount     " + collateralAmount);
+        log.debug("offerer pubkey    " + offererPubKey);
+        log.debug("taker pubkey      " + takerPubKey);
+        log.debug("arbitrator pubkey " + arbitratorPubKey);
+        try
+        {
+            Transaction tx = walletFacade.offererCreatesMSTxAndAddPayment(collateralAmount, offererPubKey, takerPubKey, arbitratorPubKey);
+            preparedOffererDepositTxAsHex = Utils.bytesToHexString(tx.bitcoinSerialize());
+            log.debug("2.5 deposit tx created: " + tx);
+            log.debug("2.5 deposit txAsHex: " + preparedOffererDepositTxAsHex);
+            sendDepositTxAndDataForContract(preparedOffererDepositTxAsHex, offererPubKey);
+        } catch (InsufficientMoneyException e)
+        {
+            log.warn("2.5 InsufficientMoneyException " + e.getMessage());
+        }
+
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.6
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void sendDepositTxAndDataForContract(String preparedOffererDepositTxAsHex, String offererPubKey)
+    {
+        log.debug("2.6 sendDepositTxAndDataForContract");
+        // Send all the requested data
+
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("2.6 sendDepositTxAndDataForContract onResult");
+                // Message arrived at taker
+                offererPaymentProtocolListener.onProgress(getProgress());
+
+                // We wait until we get the signed tx back
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.debug("2.6 sendDepositTxAndDataForContract onFailed");
+                offererPaymentProtocolListener.onFailure("sendDepositTxAndDataForContract onSendTradingMessageFailed");
+            }
+        };
+
+        offererPaymentProtocolListener.onProgress(getProgress());
+
+        BankAccount bankAccount = user.getBankAccount(offer.getBankAccountUID());
+        String accountID = user.getAccountID();
+
+        checkNotNull(trade.getUid());
+        checkNotNull(bankAccount);
+        checkNotNull(accountID);
+        checkNotNull(preparedOffererDepositTxAsHex);
+
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.REQUEST_TAKER_DEPOSIT_PAYMENT, trade.getUid(), bankAccount, accountID, offererPubKey, preparedOffererDepositTxAsHex);
+        log.debug("2.6 sendTradingMessage");
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+    }
+
+    //************************************************************************************************
+    // 2.7 - 2.11 Takers task, we wait until the next incoming message
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.1 Incoming msg from taker
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onDepositTxReadyForPublication(TradeMessage requestTradeMessage)
+    {
+        log.debug("3.1 onDepositTxReadyForPublication");
+        verifyTaker(requestTradeMessage);
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.2  Verify offerers account registration and against the blacklist
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void verifyTaker(TradeMessage requestTradeMessage)
+    {
+        log.debug("3.2 verifyTaker");
+        log.debug("3.2.1 verifyAccountRegistration");
+        if (blockChainFacade.verifyAccountRegistration())
+        {
+            log.debug("3.2.2 isAccountBlackListed");
+            if (!blockChainFacade.isAccountBlackListed(requestTradeMessage.getAccountID(), requestTradeMessage.getBankAccount()))
+            {
+                verifyAndSignContract(requestTradeMessage);
+            }
+            else
+            {
+                offererPaymentProtocolListener.onFailure("Taker is blacklisted.");
+            }
+        }
+        else
+        {
+            offererPaymentProtocolListener.onFailure("Takers account registration is invalid.");
+        }
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.3  Verify and sign the contract
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void verifyAndSignContract(TradeMessage requestTradeMessage)
+    {
+        contract = new Contract(offer,
+                trade.getTradeAmount(),
+                trade.getTakeOfferFeeTxID(),
+                user.getAccountID(),
+                requestTradeMessage.getAccountID(),
+                user.getCurrentBankAccount(),
+                requestTradeMessage.getBankAccount(),
+                offer.getMessagePubKeyAsHex(),
+                requestTradeMessage.getTakerMessagePubKey());
+
+        log.debug("3.3 offerer contract created: " + contract.toString());
+
+        String contractAsJson = Utilities.objectToJson(contract);
+        log.debug("3.3 contractAsJson: " + contractAsJson);
+        log.debug("3.3 requestTradingMessage.getContractAsJson(): " + requestTradeMessage.getContractAsJson());
+
+        // TODO generic json creates too complex object, at least the PublicKeys need to be removed
+        boolean isEqual = contractAsJson.equals(requestTradeMessage.getContractAsJson());
+        log.debug("3.3 does json match?: " + isEqual);
+
+       /* if (contractAsJson.equals(requestTradingMessage.getContractAsJson()))
+        { */
+        String signature = cryptoFacade.signContract(walletFacade.getAccountRegistrationKey(), contractAsJson);
+        trade.setContract(contract);
+        trade.setContractAsJson(contractAsJson);
+        trade.setContractTakerSignature(signature);
+        log.debug("3.3 signature: " + signature);
+
+        signAndPublishDepositTx(requestTradeMessage);
+       /* }
+        else
+        {
+            log.error("3.3 verifyContract failed");
+        }  */
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.4  Sign and publish the deposit tx
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void signAndPublishDepositTx(TradeMessage requestTradeMessage)
+    {
+        log.debug("3.4 signAndPublishDepositTx");
+
+        String signedTakerDepositTxAsHex = requestTradeMessage.getSignedTakerDepositTxAsHex();
+        String txConnOutAsHex = requestTradeMessage.getTxConnOutAsHex();
+        String txScriptSigAsHex = requestTradeMessage.getTxScriptSigAsHex();
+
+        FutureCallback<Transaction> callback = new FutureCallback<Transaction>()
+        {
+            @Override
+            public void onSuccess(Transaction transaction)
+            {
+                log.info("3.4 signAndPublishDepositTx offererSignAndSendTx onSuccess:" + transaction.toString());
+            }
+
+            @Override
+            public void onFailure(Throwable t)
+            {
+                log.error("3.4 signAndPublishDepositTx offererSignAndSendTx onFailure:" + t.getMessage());
+            }
+        };
+        try
+        {
+            log.debug("3.4 offererSignAndSendTx");
+            Transaction transaction = walletFacade.offererSignAndSendTx(preparedOffererDepositTxAsHex, signedTakerDepositTxAsHex, txConnOutAsHex, txScriptSigAsHex, callback);
+            String txID = transaction.getHashAsString();
+            trade.setDepositTransaction(transaction);
+            log.debug("3.4 deposit tx published: " + transaction);
+            log.debug("3.4 deposit txID: " + txID);
+
+            sendDepositTxIdToTaker(transaction);
+        } catch (Exception e)
+        {
+            log.error("3.4 error at walletFacade.offererSignAndSendTx: " + e.getMessage());
+            e.getStackTrace();// Could not understand form of connected output script: RETURN
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.5  Send tx id of published deposit tx to taker
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void sendDepositTxIdToTaker(Transaction transaction)
+    {
+        log.debug("3.5 sendDepositTxIdToTaker");
+
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("3.5 sendDepositTxIdToTaker DEPOSIT_TX_PUBLISHED onResult");
+                offererPaymentProtocolListener.onProgress(getProgress());
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.warn("3.5 sendDepositTxIdToTaker DEPOSIT_TX_PUBLISHED onFailed");
+                offererPaymentProtocolListener.onFailure("sendDepositTxAndDataForContract onSendTradingMessageFailed");
+            }
+        };
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.DEPOSIT_TX_PUBLISHED, trade.getUid(), transaction.getHashAsString());
+        log.debug("3.5  sendTradingMessage");
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+
+        // wait for at least 1 confirmation, then pay Fiat
+        offererPaymentProtocolListener.onDepositTxPublished(tradeMessage.getDepositTxID());
+        setupListenerForBlockChainConfirmation(transaction);
+    }
+
+    //************************************************************************************************
+    // 3.6 Taker got informed, but no action from his side required.
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.7  We setup a listener for block chain confirmation
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void setupListenerForBlockChainConfirmation(Transaction transaction)
+    {
+        log.debug("3.7  setupListenerForBlockChainConfirmation");
+
+        // for testing
+        // TODO listeners mut be done with blockchain not wallet
+        onDepositTxConfirmedInBlockchain();
+
+        transaction.getConfidence().addEventListener(new TransactionConfidence.Listener()
+        {
+            @Override
+            public void onConfidenceChanged(Transaction tx, ChangeReason reason)
+            {
+                log.info("onConfidenceChanged reason = " + reason);
+                log.info("onConfidenceChanged confidence = " + tx.getConfidence().toString());
+                if (reason == ChangeReason.SEEN_PEERS)
+                {
+                    updateConfirmation(tx.getConfidence());
+
+                    log.debug("### confidence.numBroadcastPeers() " + tx.getConfidence().numBroadcastPeers());
+
+                    //todo just for testing now, dont like to wait so long...
+                    if (tx.getConfidence().numBroadcastPeers() > 3)
+                    {
+                        onDepositTxConfirmedInBlockchain();
+                        transaction.getConfidence().removeEventListener(this);
+                    }
+
+                }
+                if (reason == ChangeReason.TYPE && tx.getConfidence().getConfidenceType() == TransactionConfidence.ConfidenceType.BUILDING)
+                {
+                    onDepositTxConfirmedInBlockchain();
+                    transaction.getConfidence().removeEventListener(this);
+                }
+            }
+        }
+        );
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.8  We check if the block chain confirmation is >= 1
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void updateConfirmation(TransactionConfidence confidence)
+    {
+        log.debug("3.8  updateConfirmation " + confidence.toString());
+        offererPaymentProtocolListener.onDepositTxConfirmedUpdate(confidence);
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.9  Blockchain confirmation received, so tell user he should start bank transfer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void onDepositTxConfirmedInBlockchain()
+    {
+        log.debug("3.9  readyForBankTransfer");
+        offererPaymentProtocolListener.onDepositTxConfirmedInBlockchain();
+    }
+
+    //************************************************************************************************
+    // Offerer need to start bank tx, after he done it he call the next step
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.10  User clicked the "bank transfer inited" button, so we tell the peer that we started the bank tx
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void bankTransferInited()
+    {
+        log.debug("3.10 bankTransferInited");
+
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("3.10 bankTransferInited BANK_TX_INITED onResult");
+                log.debug("########## LAST STEP OFFERER FOR FIRST PART");
+
+                offererPaymentProtocolListener.onProgress(getProgress());
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.warn("3.10 bankTransferInited BANK_TX_INITED onFailed");
+                offererPaymentProtocolListener.onFailure("bankTransferInited BANK_TX_INITED");
+            }
+        };
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.BANK_TX_INITED, trade.getUid());
+        log.debug("3.10  sendTradingMessage BANK_TX_INITED");
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+    }
+
+
+    //************************************************************************************************
+    // We wait until taker has received the money on his bank account, that might take a while.
+    //************************************************************************************************
+
+
+    private double getProgress()
+    {
+        currentStep++;
+        return (double) currentStep / (double) numberOfSteps;
+    }
+}

src/main/java/io/bitsquare/trade/offerer/OffererPaymentProtocolListener.java

@@ -0,0 +1,16 @@
+package io.bitsquare.trade.offerer;
+
+import com.google.bitcoin.core.TransactionConfidence;
+
+public interface OffererPaymentProtocolListener
+{
+    void onProgress(double progress);
+
+    void onFailure(String failureMessage);
+
+    void onDepositTxPublished(String depositTxID);
+
+    void onDepositTxConfirmedInBlockchain();
+
+    void onDepositTxConfirmedUpdate(TransactionConfidence confidence);
+}

src/main/java/io/bitsquare/trade/orderbook/MockOrderBook.java

@@ -1,63 +0,0 @@
-package io.bitsquare.trade.orderbook;
-
-import com.google.inject.Inject;
-import io.bitsquare.btc.BtcFormatter;
-import io.bitsquare.gui.market.orderbook.OrderBookListItem;
-import io.bitsquare.gui.util.Converter;
-import io.bitsquare.gui.util.Formatter;
-import io.bitsquare.settings.Settings;
-import io.bitsquare.trade.Direction;
-import io.bitsquare.trade.Offer;
-import io.bitsquare.user.User;
-import io.bitsquare.util.MockData;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.UUID;
-
-public class MockOrderBook extends OrderBook
-{
-    private static final Logger log = LoggerFactory.getLogger(MockOrderBook.class);
-
-    @Inject
-    public MockOrderBook(Settings settings, User user)
-    {
-        super(settings, user);
-        for (int i = 0; i < 1000; i++)
-        {
-            allOffers.add(new OrderBookListItem(getOffer()));
-        }
-    }
-
-    private Offer getOffer()
-    {
-        double amount = Math.random() * 10 + 0.1;
-        amount = Converter.stringToDouble(Formatter.formatAmount(amount));
-        double minAmount = Math.random() * amount;
-        minAmount = Converter.stringToDouble(Formatter.formatAmount(minAmount));
-
-        Direction direction = Direction.BUY;
-        double price = 500 + Math.random() * 50;
-        if (Math.random() > 0.5)
-        {
-            direction = Direction.SELL;
-            price = 500 - Math.random() * 50;
-        }
-        double collateral = 0.1;// Math.random() * 20 + 0.1;
-        Offer offer = new Offer("mjbxLbuVpU1cNXLJbrJZyirYwweoRPVVTj",
-                UUID.randomUUID().toString(),
-                direction,
-                price,
-                BtcFormatter.doubleValueToSatoshis(amount),
-                BtcFormatter.doubleValueToSatoshis(minAmount),
-                MockData.getRandomBankTransferTypeEnums().get(0),
-                MockData.getRandomCurrencies().get(0),
-                MockData.getRandomLocales().get(0),
-                MockData.getRandomArbitrators().get(0),
-                collateral,
-                MockData.getRandomLocales(),
-                MockData.getRandomLocales());
-
-        return offer;
-    }
-}

src/main/java/io/bitsquare/trade/orderbook/OrderBook.java

@@ -3,28 +3,37 @@ package io.bitsquare.trade.orderbook;
 import com.google.inject.Inject;
 import io.bitsquare.bank.BankAccount;
 import io.bitsquare.gui.market.orderbook.OrderBookListItem;
+import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.msg.listeners.OrderBookListener;
 import io.bitsquare.settings.Settings;
 import io.bitsquare.trade.Direction;
 import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trading;
 import io.bitsquare.user.Arbitrator;
 import io.bitsquare.user.User;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.collections.transformation.FilteredList;
 import javafx.collections.transformation.SortedList;
+import net.tomp2p.peers.Number160;
+import net.tomp2p.storage.Data;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 import java.util.function.Predicate;
 
-public class OrderBook
+public class OrderBook implements OrderBookListener
 {
     private static final Logger log = LoggerFactory.getLogger(OrderBook.class);
 
     private Settings settings;
     private User user;
+    private MessageFacade messageFacade;
+    private Trading trading;
 
     protected ObservableList<OrderBookListItem> allOffers = FXCollections.observableArrayList();
     private FilteredList<OrderBookListItem> filteredList = new FilteredList<>(allOffers);
@@ -37,10 +46,12 @@ public class OrderBook
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     @Inject
-    public OrderBook(Settings settings, User user)
+    public OrderBook(Settings settings, User user, MessageFacade messageFacade, Trading trading)
     {
         this.settings = settings;
         this.user = user;
+        this.messageFacade = messageFacade;
+        this.trading = trading;
     }
 
 
@@ -48,7 +59,29 @@ public class OrderBook
     // Public API
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void updateFilter(OrderBookFilter orderBookFilter)
+
+    public void init()
+    {
+        messageFacade.addMessageListener(this);
+    }
+
+    public void cleanup()
+    {
+        messageFacade.removeMessageListener(this);
+    }
+
+    public void loadOffers()
+    {
+        messageFacade.getOffers(user.getCurrentBankAccount().getCurrency().getCurrencyCode());
+    }
+
+    public void removeOffer(Offer offer) throws IOException
+    {
+        trading.removeOffer(offer);
+        messageFacade.removeOffer(offer);
+    }
+
+    public void applyFilter(OrderBookFilter orderBookFilter)
     {
         filteredList.setPredicate(new Predicate<OrderBookListItem>()
         {
@@ -73,7 +106,7 @@ public class OrderBook
                 // One of the supported languages from the settings must match one of the offer languages (n to n)
                 boolean languageResult = languagesInList(settings.getAcceptedLanguageLocales(), offer.getAcceptedLanguageLocales());
 
-                // Apply updateFilter only if there is a valid value set
+                // Apply applyFilter only if there is a valid value set
                 // The requested amount must be lower or equal then the offer amount
                 boolean amountResult = true;
                 if (orderBookFilter.getAmount() > 0)
@@ -82,7 +115,7 @@ public class OrderBook
                 // The requested trade direction must be opposite of the offerList trade direction
                 boolean directionResult = !orderBookFilter.getDirection().equals(offer.getDirection());
 
-                // Apply updateFilter only if there is a valid value set
+                // Apply applyFilter only if there is a valid value set
                 boolean priceResult = true;
                 if (orderBookFilter.getPrice() > 0)
                 {
@@ -104,7 +137,7 @@ public class OrderBook
                         && priceResult
                         && arbitratorResult;
 
-                       /*
+                           /*
                 log.debug("result = " + result +
                         ", currencyResult = " + currencyResult +
                         ", countryResult = " + countryResult +
@@ -131,12 +164,93 @@ public class OrderBook
                         ", offer.getPrice() = " + offer.getPrice());
                 log.debug("offer.getArbitrator() = " + offer.getArbitrator() +
                         ", settings.getAcceptedArbitrators() = " + settings.getAcceptedArbitrators());
-                             */
+                         */
                 return result;
             }
         });
     }
 
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Interface implementation: MessageListener
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onOfferAdded(Data offerData, boolean success)
+    {
+        try
+        {
+            Object offerDataObject = offerData.getObject();
+            if (offerDataObject instanceof Offer && offerDataObject != null)
+            {
+                Offer offer = (Offer) offerDataObject;
+                allOffers.add(new OrderBookListItem(offer));
+            }
+        } catch (ClassNotFoundException | IOException e)
+        {
+            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+        }
+    }
+
+    @Override
+    public void onOffersReceived(Map<Number160, Data> dataMap, boolean success)
+    {
+        if (success && dataMap != null)
+        {
+            allOffers.clear();
+            for (Data offerData : dataMap.values())
+            {
+                try
+                {
+                    Object offerDataObject = offerData.getObject();
+                    if (offerDataObject instanceof Offer && offerDataObject != null)
+                    {
+                        Offer offer = (Offer) offerDataObject;
+                        OrderBookListItem orderBookListItem = new OrderBookListItem(offer);
+                        allOffers.add(orderBookListItem);
+                    }
+                } catch (ClassNotFoundException | IOException e)
+                {
+                    e.printStackTrace();
+                }
+            }
+        }
+        else
+        {
+            allOffers.clear();
+        }
+    }
+
+    @Override
+    public void onOfferRemoved(Data offerData, boolean success)
+    {
+        if (success)
+        {
+            try
+            {
+                Object offerDataObject = offerData.getObject();
+                if (offerDataObject instanceof Offer && offerDataObject != null)
+                {
+                    Offer offer = (Offer) offerDataObject;
+                    allOffers.removeIf(new Predicate<OrderBookListItem>()
+                    {
+                        @Override
+                        public boolean test(OrderBookListItem orderBookListItem)
+                        {
+                            return orderBookListItem.getOffer().getUid().equals(offer.getUid());
+                        }
+                    });
+                }
+            } catch (ClassNotFoundException | IOException e)
+            {
+                e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+            }
+        }
+        else
+        {
+            log.warn("onOfferRemoved failed");
+        }
+    }
+
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Getter
@@ -147,6 +261,7 @@ public class OrderBook
         return offerList;
     }
 
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Private Methods
     ///////////////////////////////////////////////////////////////////////////////////////////
@@ -182,7 +297,7 @@ public class OrderBook
             {
                 try
                 {
-                    if (arbitrator.getUID().equals(arbitratorToMatch.getUID()))
+                    if (arbitrator.getUid().equals(arbitratorToMatch.getUid()))
                         return true;
                 } catch (Exception e)
                 {
@@ -192,4 +307,6 @@ public class OrderBook
         }
         return false;
     }
+
+
 }

src/main/java/io/bitsquare/trade/orderbook/OrderBookFilter.java

@@ -5,7 +5,7 @@ import javafx.beans.property.SimpleBooleanProperty;
 
 public class OrderBookFilter
 {
-    transient private final SimpleBooleanProperty changedProperty = new SimpleBooleanProperty();
+    transient private final SimpleBooleanProperty directionChangedProperty = new SimpleBooleanProperty();
 
     private double price;
     private double amount;
@@ -19,19 +19,17 @@ public class OrderBookFilter
     public void setAmount(double amount)
     {
         this.amount = amount;
-        triggerChange();
     }
 
     public void setPrice(double price)
     {
         this.price = price;
-        triggerChange();
     }
 
     public void setDirection(Direction direction)
     {
         this.direction = direction;
-        triggerChange();
+        directionChangedProperty.set(!directionChangedProperty.get());
     }
 
 
@@ -54,19 +52,10 @@ public class OrderBookFilter
         return price;
     }
 
-    public SimpleBooleanProperty getChangedProperty()
+    public SimpleBooleanProperty getDirectionChangedProperty()
     {
-        return changedProperty;
+        return directionChangedProperty;
     }
 
 
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Private Methods
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    private void triggerChange()
-    {
-        changedProperty.set(!changedProperty.get());
-    }
-
 }

src/main/java/io/bitsquare/trade/taker/TakerPaymentProtocol.java

@@ -0,0 +1,501 @@
+package io.bitsquare.trade.taker;
+
+import com.google.bitcoin.core.AddressFormatException;
+import com.google.bitcoin.core.InsufficientMoneyException;
+import com.google.bitcoin.core.Transaction;
+import com.google.common.util.concurrent.FutureCallback;
+import io.bitsquare.bank.BankAccount;
+import io.bitsquare.btc.BlockChainFacade;
+import io.bitsquare.btc.Fees;
+import io.bitsquare.btc.WalletFacade;
+import io.bitsquare.crypto.CryptoFacade;
+import io.bitsquare.msg.MessageFacade;
+import io.bitsquare.msg.TradeMessage;
+import io.bitsquare.msg.TradeMessageType;
+import io.bitsquare.msg.listeners.AddressLookupListener;
+import io.bitsquare.msg.listeners.TradeMessageListener;
+import io.bitsquare.trade.Contract;
+import io.bitsquare.trade.Offer;
+import io.bitsquare.trade.Trade;
+import io.bitsquare.user.User;
+import io.bitsquare.util.Utilities;
+import net.tomp2p.peers.PeerAddress;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigInteger;
+import java.util.concurrent.ExecutionException;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+
+public class TakerPaymentProtocol
+{
+    private static final Logger log = LoggerFactory.getLogger(TakerPaymentProtocol.class);
+
+    private Trade trade;
+    private Offer offer;
+    private Contract contract;
+    private TakerPaymentProtocolListener takerPaymentProtocolListener;
+    private MessageFacade messageFacade;
+    private WalletFacade walletFacade;
+    private BlockChainFacade blockChainFacade;
+    private CryptoFacade cryptoFacade;
+    private User user;
+    private PeerAddress peerAddress;
+    private boolean isTakeOfferRequested;
+    private int numberOfSteps = 6;//TODO
+    private int currentStep = 0;
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public TakerPaymentProtocol(Trade trade,
+                                TakerPaymentProtocolListener takerPaymentProtocolListener,
+                                MessageFacade messageFacade,
+                                WalletFacade walletFacade,
+                                BlockChainFacade blockChainFacade,
+                                CryptoFacade cryptoFacade,
+                                User user)
+    {
+        this.trade = trade;
+        this.takerPaymentProtocolListener = takerPaymentProtocolListener;
+        this.messageFacade = messageFacade;
+        this.walletFacade = walletFacade;
+        this.blockChainFacade = blockChainFacade;
+        this.cryptoFacade = cryptoFacade;
+        this.user = user;
+
+        offer = trade.getOffer();
+
+        messageFacade.addTakerPaymentProtocol(this);
+    }
+
+    public void takeOffer()
+    {
+        log.debug("1 takeOffer");
+        findPeerAddress();
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 1.1
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void findPeerAddress()
+    {
+        log.debug("1.1 findPeerAddress");
+        AddressLookupListener addressLookupListener = new AddressLookupListener()
+        {
+            @Override
+            public void onResult(PeerAddress address)
+            {
+                log.debug("1.1 findPeerAddress onResult");
+                // We got the peer address
+                peerAddress = address;
+
+                takerPaymentProtocolListener.onProgress(getProgress());
+
+                // next
+                requestTakeOffer();
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.debug("1.1 findPeerAddress onFailed");
+                takerPaymentProtocolListener.onFailure("onGetPeerAddressFailed");
+            }
+        };
+
+        takerPaymentProtocolListener.onProgress(getProgress());
+
+        // Request the peers address from the DHT
+        messageFacade.getPeerAddress(offer.getMessagePubKeyAsHex(), addressLookupListener);
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 1.2
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void requestTakeOffer()
+    {
+        log.debug("1.2 requestTakeOffer");
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("1.2 requestTakeOffer onResult");
+                // Our message has arrived
+                // We don't know yet if the offerer has accepted
+                // the take request (if offer is not already reserved for another user)
+                // We await for an incoming message from the offerer with the accept msg
+                takerPaymentProtocolListener.onProgress(getProgress());
+
+                // Wait for message from offerer...
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.debug("1.2 requestTakeOffer onFailed");
+                takerPaymentProtocolListener.onFailure("sendTakeOfferRequest onSendTradingMessageFailed");
+            }
+        };
+
+        takerPaymentProtocolListener.onProgress(getProgress());
+
+        // Send the take offer request
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.REQUEST_TAKE_OFFER, trade.getUid());
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+    }
+
+
+    //************************************************************************************************
+    // 1.3. Offerers tasks, we are in waiting mode
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 1.4
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+
+    // 1.4a offerer has accepted the take offer request. Move on to step 2.
+    public void onTakeOfferRequestAccepted()
+    {
+        log.debug("1.4a onTakeOfferRequestAccepted");
+        takerPaymentProtocolListener.onProgress(getProgress());
+
+        payOfferFee(trade);
+    }
+
+    // 1.4b Offerer has rejected the take offer request. The UI controller will handle the case.
+    public void onTakeOfferRequestRejected()
+    {
+        log.debug("1.4b onTakeOfferRequestRejected");
+        takerPaymentProtocolListener.onProgress(getProgress());
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.1
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void payOfferFee(Trade trade)
+    {
+        log.debug("2.1 payOfferFee");
+        FutureCallback<Transaction> callback = new FutureCallback<Transaction>()
+        {
+            @Override
+            public void onSuccess(Transaction transaction)
+            {
+                log.debug("2.1 payOfferFee onSuccess");
+                log.info("sendResult onSuccess txid:" + transaction.getHashAsString());
+
+                // Offer fee payed successfully.
+                trade.setTakeOfferFeeTxID(transaction.getHashAsString());
+
+                takerPaymentProtocolListener.onProgress(getProgress());
+
+                // move on
+                sendTakerOfferFeeTxID(transaction.getHashAsString());
+            }
+
+            @Override
+            public void onFailure(Throwable t)
+            {
+                log.debug("2.1 payOfferFee onFailure");
+                takerPaymentProtocolListener.onFailure("payOfferFee onFailure " + t.getMessage());
+            }
+        };
+        try
+        {
+            // Pay the offer fee
+            takerPaymentProtocolListener.onProgress(getProgress());
+            walletFacade.payFee(Fees.OFFER_TAKER_FEE, callback);
+        } catch (InsufficientMoneyException e)
+        {
+            takerPaymentProtocolListener.onProgress(getProgress());
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.2
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    // Request peers account details. At that moment private data (bank account nr.) of the offerer get visible to the taker.
+    // We send also the tx id of the fee payment, so the offerer can confirm that the payment is seen in the network
+    // 0 block confirmation is acceptable for the fee to not block the process
+    // The offerer will wait until a minimum of peers seen the tx before sending his data.
+    // We also get the multisig tx delivered
+    private void sendTakerOfferFeeTxID(String takeOfferFeeTxID)
+    {
+        log.debug("2.2 sendTakerOfferFeeTxID");
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("2.2 sendTakerOfferFeeTxID onResult");
+                // Message has arrived
+                takerPaymentProtocolListener.onProgress(getProgress());
+
+                // We wait until the offerer send us the data
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.debug("2.2 sendTakerOfferFeeTxID onFailed");
+                takerPaymentProtocolListener.onFailure("requestAccountDetails onSendTradingMessageFailed");
+            }
+        };
+
+        takerPaymentProtocolListener.onProgress(getProgress());
+
+        // 2.3. send request for the account details and send fee tx id so offerer can verify that the fee has been paid.
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.TAKE_OFFER_FEE_PAYED,
+                trade.getUid(),
+                trade.getTradeAmount(),
+                takeOfferFeeTxID,
+                walletFacade.getMultiSigPubKeyAsHex());
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+    }
+
+
+    //************************************************************************************************
+    // 2.3 - 2.6 Offerers tasks, we are in waiting mode
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.7  Incoming msg from offerer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onTakerDepositPaymentRequested(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.7 onTakerDepositPaymentRequested");
+        verifyOfferer(requestTradeMessage);
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.8  Verify offerers account registration and against the blacklist
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void verifyOfferer(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.8 verifyOfferer");
+        log.debug("2.8.1 verifyAccountRegistration");
+        if (blockChainFacade.verifyAccountRegistration())
+        {
+            log.debug("2.8.2 isAccountBlackListed");
+            if (!blockChainFacade.isAccountBlackListed(requestTradeMessage.getAccountID(), requestTradeMessage.getBankAccount()))
+            {
+                createAndSignContract(requestTradeMessage);
+            }
+            else
+            {
+                takerPaymentProtocolListener.onFailure("Offerer is blacklisted.");
+            }
+        }
+        else
+        {
+            takerPaymentProtocolListener.onFailure("Offerers account registration is invalid.");
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.9  Create and sign the contract
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void createAndSignContract(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.9 createAndSignContract");
+        checkNotNull(offer);
+        checkNotNull(trade.getTradeAmount());
+        checkNotNull(trade.getTakeOfferFeeTxID());
+        checkNotNull(requestTradeMessage.getAccountID());
+        checkNotNull(user.getAccountID());
+        checkNotNull(requestTradeMessage.getBankAccount());
+        checkNotNull(user.getCurrentBankAccount());
+        checkNotNull(user.getMessagePubKeyAsHex());
+
+        contract = new Contract(offer,
+                trade.getTradeAmount(),
+                trade.getTakeOfferFeeTxID(),
+                requestTradeMessage.getAccountID(),
+                user.getAccountID(),
+                requestTradeMessage.getBankAccount(),
+                user.getCurrentBankAccount(),
+                offer.getMessagePubKeyAsHex(),
+                user.getMessagePubKeyAsHex()
+        );
+
+        log.debug("2.9 contract created: " + contract.toString());
+        String contractAsJson = Utilities.objectToJson(contract);
+        String signature = cryptoFacade.signContract(walletFacade.getAccountRegistrationKey(), contractAsJson);
+
+        //log.debug("2.9 contractAsJson: " + contractAsJson);
+        log.debug("2.9 contract signature: " + signature);
+
+        trade.setContract(contract);
+        trade.setContractAsJson(contractAsJson);
+        trade.setContractTakerSignature(signature);
+
+        payDeposit(requestTradeMessage);
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.10  Pay in the funds to the deposit tx and sign it
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void payDeposit(TradeMessage requestTradeMessage)
+    {
+        log.debug("2.10 payDeposit");
+
+        BigInteger collateralAmount = trade.getTradeAmount().multiply(BigInteger.valueOf(offer.getCollateral())).divide(BigInteger.valueOf(100));
+        BigInteger takerAmount = trade.getTradeAmount().add(collateralAmount);
+        BigInteger msOutputAmount = trade.getTradeAmount().add(collateralAmount).add(collateralAmount);
+        String offererPubKey = requestTradeMessage.getOffererPubKey();
+        String takerPubKey = walletFacade.getMultiSigPubKeyAsHex();
+        String arbitratorPubKey = offer.getArbitrator().getPubKey();
+        String preparedOffererDepositTxAsHex = requestTradeMessage.getPreparedOffererDepositTxAsHex();
+
+        checkNotNull(takerAmount);
+        checkNotNull(msOutputAmount);
+        checkNotNull(offererPubKey);
+        checkNotNull(takerPubKey);
+        checkNotNull(arbitratorPubKey);
+        checkNotNull(preparedOffererDepositTxAsHex);
+
+        log.debug("2.10 offererCreatesMSTxAndAddPayment");
+        log.debug("takerAmount     " + takerAmount);
+        log.debug("msOutputAmount     " + msOutputAmount);
+        log.debug("offerer pubkey    " + offererPubKey);
+        log.debug("taker pubkey      " + takerPubKey);
+        log.debug("arbitrator pubkey " + arbitratorPubKey);
+        log.debug("preparedOffererDepositTxAsHex " + preparedOffererDepositTxAsHex);
+        try
+        {
+            Transaction signedTakerDepositTx = walletFacade.takerAddPaymentAndSign(takerAmount, msOutputAmount, offererPubKey, takerPubKey, arbitratorPubKey, preparedOffererDepositTxAsHex);
+            log.debug("2.10 deposit tx created: " + signedTakerDepositTx);
+            sendSignedTakerDepositTxAsHex(signedTakerDepositTx);
+        } catch (InterruptedException | AddressFormatException | ExecutionException | InsufficientMoneyException e)
+        {
+            log.error("2.10 error at walletFacade.takerAddPaymentAndSign: " + e.getMessage());
+        }
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 2.11  Send the tx to the offerer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private void sendSignedTakerDepositTxAsHex(Transaction signedTakerDepositTx)
+    {
+        log.debug("2.11 sendSignedTakerDepositTxAsHex");
+
+        TradeMessageListener listener = new TradeMessageListener()
+        {
+            @Override
+            public void onResult()
+            {
+                log.debug("2.11 sendSignedTakerDepositTxAsHex REQUEST_TAKER_DEPOSIT_PAYMENT onResult");
+                // Message arrived at taker
+                takerPaymentProtocolListener.onProgress(getProgress());
+            }
+
+            @Override
+            public void onFailed()
+            {
+                log.debug("2.11 sendSignedTakerDepositTxAsHex REQUEST_TAKER_DEPOSIT_PAYMENT onFailed");
+                takerPaymentProtocolListener.onFailure("sendSignedTakerDepositTxAsHex REQUEST_TAKER_DEPOSIT_PAYMENT onFailed");
+            }
+        };
+
+        takerPaymentProtocolListener.onProgress(getProgress());
+
+        BankAccount bankAccount = user.getBankAccount(offer.getBankAccountUID());
+        String accountID = user.getAccountID();
+        String messagePubKey = user.getMessagePubKeyAsHex();
+        String contractAsJson = trade.getContractAsJson();
+        String signature = trade.getTakerSignature();
+
+        String signedTakerDepositTxAsHex = com.google.bitcoin.core.Utils.bytesToHexString(signedTakerDepositTx.bitcoinSerialize());
+        String txScriptSigAsHex = com.google.bitcoin.core.Utils.bytesToHexString(signedTakerDepositTx.getInput(1).getScriptBytes());
+        String txConnOutAsHex = com.google.bitcoin.core.Utils.bytesToHexString(signedTakerDepositTx.getInput(1).getConnectedOutput().getParentTransaction().bitcoinSerialize());
+        log.debug("2.10 deposit txAsHex: " + signedTakerDepositTxAsHex);
+        log.debug("2.10 txScriptSigAsHex: " + txScriptSigAsHex);
+        log.debug("2.10 txConnOutAsHex: " + txConnOutAsHex);
+
+        TradeMessage tradeMessage = new TradeMessage(TradeMessageType.REQUEST_OFFERER_DEPOSIT_PUBLICATION,
+                trade.getUid(),
+                bankAccount,
+                accountID,
+                messagePubKey,
+                signedTakerDepositTxAsHex,
+                txScriptSigAsHex,
+                txConnOutAsHex,
+                contractAsJson,
+                signature);
+
+        log.debug("2.11 sendTradingMessage");
+        messageFacade.sendTradeMessage(peerAddress, tradeMessage, listener);
+    }
+
+
+    //************************************************************************************************
+    // 3.1 - 3.5 Offerers tasks, we are in waiting mode
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.6  Incoming msg from offerer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onDepositTxPublished(TradeMessage tradeMessage)
+    {
+        log.debug("3.6 DepositTxID received: " + tradeMessage.getDepositTxID());
+
+        takerPaymentProtocolListener.onProgress(getProgress());
+        takerPaymentProtocolListener.onDepositTxPublished(tradeMessage.getDepositTxID());
+    }
+
+
+    //************************************************************************************************
+    // 3.7-3.10 Offerers tasks, we are in waiting mode
+    //************************************************************************************************
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Step 3.11  Incoming msg from offerer
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onBankTransferInited()
+    {
+        log.debug("3.11 Bank transfer inited msg received");
+        log.debug("########## LAST STEP TAKER FOR FIRST PART");
+
+        takerPaymentProtocolListener.onBankTransferInited();
+    }
+
+    //************************************************************************************************
+    // Taker will check periodically his bank account until he received the money. That might take a while...
+    //************************************************************************************************
+
+
+    private double getProgress()
+    {
+        currentStep++;
+        return (double) currentStep / (double) numberOfSteps;
+    }
+}

src/main/java/io/bitsquare/trade/taker/TakerPaymentProtocolListener.java

@@ -0,0 +1,12 @@
+package io.bitsquare.trade.taker;
+
+public interface TakerPaymentProtocolListener
+{
+    void onProgress(double progress);
+
+    void onFailure(String failureMessage);
+
+    void onDepositTxPublished(String depositTxID);
+
+    void onBankTransferInited();
+}

src/main/java/io/bitsquare/user/Arbitrator.java

@@ -9,25 +9,23 @@ public class Arbitrator implements Serializable
 
     private String name;
     private String pubKey;
-    private String messageID;
+    private String messagePubKeyAsHex;
     private String url;
-
-
-    private double baseFeePercent;
-    private double arbitrationFeePercent;
-    private BigInteger minArbitrationFee;
+    private int baseFeePercent;      // in percent int 1 for 1%
+    private int arbitrationFeePercent;
+    private BigInteger minArbitrationAmount; // in Satoshis
     private String uid;
 
-    public Arbitrator(String uid, String name, String pubKey, String messageID, String url, double baseFeePercent, double arbitrationFeePercent, BigInteger minArbitrationFee)
+    public Arbitrator(String uid, String name, String pubKey, String messagePubKeyAsHex, String url, int baseFeePercent, int arbitrationFeePercent, BigInteger minArbitrationAmount)
     {
         this.uid = uid;
         this.name = name;
         this.pubKey = pubKey;
-        this.messageID = messageID;
+        this.messagePubKeyAsHex = messagePubKeyAsHex;
         this.url = url;
         this.baseFeePercent = baseFeePercent;
         this.arbitrationFeePercent = arbitrationFeePercent;
-        this.minArbitrationFee = minArbitrationFee;
+        this.minArbitrationAmount = minArbitrationAmount;
     }
 
 
@@ -45,9 +43,9 @@ public class Arbitrator implements Serializable
         return pubKey;
     }
 
-    public String getMessageID()
+    public String getMessagePubKeyAsHex()
     {
-        return messageID;
+        return messagePubKeyAsHex;
     }
 
     public String getUrl()
@@ -55,23 +53,38 @@ public class Arbitrator implements Serializable
         return url;
     }
 
-    public BigInteger getMinArbitrationFee()
+    public BigInteger getMinArbitrationAmount()
     {
-        return minArbitrationFee;
+        return minArbitrationAmount;
     }
 
-    public double getBaseFeePercent()
+    public int getBaseFeePercent()
     {
         return baseFeePercent;
     }
 
-    public double getArbitrationFeePercent()
+    public int getArbitrationFeePercent()
     {
         return arbitrationFeePercent;
     }
 
-    public Object getUID()
+    public Object getUid()
     {
         return uid;
     }
+
+    @Override
+    public String toString()
+    {
+        return "Arbitrator{" +
+                "name='" + name + '\'' +
+                ", pubKey='" + pubKey + '\'' +
+                ", messagePubKeyAsHex='" + messagePubKeyAsHex + '\'' +
+                ", url='" + url + '\'' +
+                ", baseFeePercent=" + baseFeePercent +
+                ", arbitrationFeePercent=" + arbitrationFeePercent +
+                ", minArbitrationAmount=" + minArbitrationAmount +
+                ", uid='" + uid + '\'' +
+                '}';
+    }
 }

src/main/java/io/bitsquare/user/User.java

@@ -12,15 +12,14 @@ public class User implements Serializable
 {
     private static final long serialVersionUID = 7409078808248518638L;
 
-    transient private final SimpleBooleanProperty changedProperty = new SimpleBooleanProperty();
+    transient private final SimpleBooleanProperty bankAccountChangedProperty = new SimpleBooleanProperty();
 
     private String accountID;
-    private String messageID;
+    private String messagePubKeyAsHex;
     private boolean isOnline;
     private List<BankAccount> bankAccounts = new ArrayList<>();
     private BankAccount currentBankAccount = null;
 
-
     public User()
     {
     }
@@ -35,7 +34,7 @@ public class User implements Serializable
         if (savedUser != null)
         {
             accountID = savedUser.getAccountID();
-            messageID = savedUser.getMessageID();
+            messagePubKeyAsHex = savedUser.getMessagePubKeyAsHex();
             isOnline = savedUser.getIsOnline();
             bankAccounts = savedUser.getBankAccounts();
             currentBankAccount = savedUser.getCurrentBankAccount();
@@ -53,9 +52,9 @@ public class User implements Serializable
     // Setters
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public void setMessageID(String messageID)
+    public void setMessagePubKeyAsHex(String messageID)
     {
-        this.messageID = messageID;
+        this.messagePubKeyAsHex = messageID;
     }
 
     public void setAccountID(String accountID)
@@ -71,7 +70,7 @@ public class User implements Serializable
     public void setCurrentBankAccount(BankAccount currentBankAccount)
     {
         this.currentBankAccount = currentBankAccount;
-        triggerChange();
+        bankAccountChangedProperty.set(!bankAccountChangedProperty.get());
     }
 
     public void setIsOnline(boolean isOnline)
@@ -90,7 +89,7 @@ public class User implements Serializable
         for (Iterator<BankAccount> iterator = getBankAccounts().iterator(); iterator.hasNext(); )
         {
             BankAccount bankAccount = iterator.next();
-            bankAccountUIDs += bankAccount.getStringifiedBankAccount();
+            bankAccountUIDs += bankAccount.toString();
 
             if (iterator.hasNext())
                 bankAccountUIDs += ", ";
@@ -98,9 +97,9 @@ public class User implements Serializable
         return bankAccountUIDs;
     }
 
-    public String getMessageID()
+    public String getMessagePubKeyAsHex()
     {
-        return messageID;
+        return messagePubKeyAsHex;
     }
 
     public String getAccountID()
@@ -118,23 +117,37 @@ public class User implements Serializable
         return currentBankAccount;
     }
 
+    public BankAccount getBankAccount(String bankAccountUID)
+    {
+        for (Iterator<BankAccount> iterator = bankAccounts.iterator(); iterator.hasNext(); )
+        {
+            BankAccount bankAccount = iterator.next();
+            if (bankAccount.getUid().equals(bankAccountUID))
+                return bankAccount;
+        }
+        return null;
+    }
+
     public boolean getIsOnline()
     {
         return isOnline;
     }
 
-    public SimpleBooleanProperty getChangedProperty()
+    public SimpleBooleanProperty getBankAccountChangedProperty()
     {
-        return changedProperty;
+        return bankAccountChangedProperty;
     }
 
-
-    ///////////////////////////////////////////////////////////////////////////////////////////
-    // Private Methods
-    ///////////////////////////////////////////////////////////////////////////////////////////
-
-    private void triggerChange()
+    @Override
+    public String toString()
     {
-        changedProperty.set(!changedProperty.get());
+        return "User{" +
+                "bankAccountChangedProperty=" + bankAccountChangedProperty +
+                ", accountID='" + accountID + '\'' +
+                ", messagePubKeyAsHex='" + messagePubKeyAsHex + '\'' +
+                ", isOnline=" + isOnline +
+                ", bankAccounts=" + bankAccounts +
+                ", currentBankAccount=" + currentBankAccount +
+                '}';
     }
 }

src/main/java/io/bitsquare/util/DSAKeyUtil.java

@@ -1,6 +1,6 @@
-package io.bitsquare.msg;
+package io.bitsquare.util;
 
-import io.bitsquare.util.Utils;
+import com.google.bitcoin.core.Utils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -13,10 +13,10 @@ import java.security.spec.InvalidKeySpecException;
 import java.security.spec.PKCS8EncodedKeySpec;
 import java.security.spec.X509EncodedKeySpec;
 
-public class MsgKeyUtil
+public class DSAKeyUtil
 {
-    private static final Logger log = LoggerFactory.getLogger(MsgKeyUtil.class);
-    private static final String baseDir = Utils.getRootDir();
+    private static final Logger log = LoggerFactory.getLogger(DSAKeyUtil.class);
+    private static final String baseDir = Utilities.getRootDir();
 
     public static KeyPair getKeyPair()
     {
@@ -28,6 +28,27 @@ public class MsgKeyUtil
         return getKeyPair("public_" + keyName + ".key", "private_" + keyName + ".key");
     }
 
+
+    public static String getHexStringFromPublicKey(PublicKey publicKey)
+    {
+        X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
+        return Utils.bytesToHexString(x509EncodedKeySpec.getEncoded());
+    }
+
+    public static PublicKey getPublicKeyFromHexString(String publicKeyAsHex)
+    {
+        byte[] bytes = Utils.parseAsHexOrBase58(publicKeyAsHex);
+        try
+        {
+            KeyFactory keyFactory = KeyFactory.getInstance("DSA");
+            return keyFactory.generatePublic(new X509EncodedKeySpec(bytes));
+        } catch (NoSuchAlgorithmException | InvalidKeySpecException e)
+        {
+            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+        }
+        return null;
+    }
+
     public static KeyPair getKeyPair(String pubKeyPath, String privKeyPath)
     {
         try
@@ -40,7 +61,6 @@ public class MsgKeyUtil
             try
             {
                 KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
-
                 keyGen.initialize(1024);
                 KeyPair generatedKeyPair = keyGen.genKeyPair();
 
@@ -56,7 +76,6 @@ public class MsgKeyUtil
         }
     }
 
-
     private static void dumpKeyPair(KeyPair keyPair)
     {
         PublicKey pub = keyPair.getPublic();
@@ -76,21 +95,20 @@ public class MsgKeyUtil
         return result;
     }
 
+
     public static void saveKeyPair(String pubKeyPath, String privKeyPath, KeyPair keyPair) throws IOException
     {
         PrivateKey privateKey = keyPair.getPrivate();
         PublicKey publicKey = keyPair.getPublic();
 
         // Store Public Key.
-        X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(
-                publicKey.getEncoded());
+        X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
         FileOutputStream fos = new FileOutputStream(baseDir + pubKeyPath);
         fos.write(x509EncodedKeySpec.getEncoded());
         fos.close();
 
         // Store Private Key.
-        PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(
-                privateKey.getEncoded());
+        PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
         fos = new FileOutputStream(baseDir + privKeyPath);
         fos.write(pkcs8EncodedKeySpec.getEncoded());
         fos.close();

src/main/java/io/bitsquare/util/MockData.java

@@ -1,8 +1,12 @@
 package io.bitsquare.util;
 
+import com.google.bitcoin.core.ECKey;
 import io.bitsquare.bank.BankAccountType;
 import io.bitsquare.user.Arbitrator;
 
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.PublicKey;
 import java.util.*;
 
 public class MockData
@@ -52,17 +56,32 @@ public class MockData
     public static List<Arbitrator> getArbitrators()
     {
         List<Arbitrator> list = new ArrayList<>();
-        list.add(new Arbitrator("uid_1", "Charlie Boom", UUID.randomUUID().toString(),
-                UUID.randomUUID().toString(), "http://www.arbit.io/Charly_Boom", 0.1, 10, com.google.bitcoin.core.Utils.toNanoCoins("0.01")));
-        list.add(new Arbitrator("uid_2", "Tom Shang", UUID.randomUUID().toString(),
-                UUID.randomUUID().toString(), "http://www.arbit.io/Tom_Shang", 0, 1, com.google.bitcoin.core.Utils.toNanoCoins("0.001")));
-        list.add(new Arbitrator("uid_3", "Edward Snow", UUID.randomUUID().toString(),
-                UUID.randomUUID().toString(), "http://www.arbit.io/Edward_Swow", 0.2, 5, com.google.bitcoin.core.Utils.toNanoCoins("0.05")));
-        list.add(new Arbitrator("uid_4", "Julian Sander", UUID.randomUUID().toString(),
-                UUID.randomUUID().toString(), "http://www.arbit.io/Julian_Sander", 0, 20, com.google.bitcoin.core.Utils.toNanoCoins("0.1")));
+        list.add(new Arbitrator("uid_1", "Charlie Boom", com.google.bitcoin.core.Utils.bytesToHexString(new ECKey().getPubKey()),
+                getMessagePubKey(), "http://www.arbit.io/Charly_Boom", 1, 10, com.google.bitcoin.core.Utils.toNanoCoins("0.01")));
+        list.add(new Arbitrator("uid_2", "Tom Shang", com.google.bitcoin.core.Utils.bytesToHexString(new ECKey().getPubKey()),
+                getMessagePubKey(), "http://www.arbit.io/Tom_Shang", 0, 1, com.google.bitcoin.core.Utils.toNanoCoins("0.001")));
+        list.add(new Arbitrator("uid_3", "Edward Snow", com.google.bitcoin.core.Utils.bytesToHexString(new ECKey().getPubKey()),
+                getMessagePubKey(), "http://www.arbit.io/Edward_Swow", 2, 5, com.google.bitcoin.core.Utils.toNanoCoins("0.05")));
+        list.add(new Arbitrator("uid_4", "Julian Sander", com.google.bitcoin.core.Utils.bytesToHexString(new ECKey().getPubKey()),
+                getMessagePubKey(), "http://www.arbit.io/Julian_Sander", 0, 20, com.google.bitcoin.core.Utils.toNanoCoins("0.1")));
         return list;
     }
 
+    private static String getMessagePubKey()
+    {
+        try
+        {
+            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
+            keyGen.initialize(1024);
+            KeyPair generatedKeyPair = keyGen.genKeyPair();
+            PublicKey pubKey = generatedKeyPair.getPublic();
+            return DSAKeyUtil.getHexStringFromPublicKey(pubKey);
+        } catch (Exception e2)
+        {
+            return null;
+        }
+    }
+
     public static List<Arbitrator> getRandomArbitrators()
     {
         return randomizeList(getArbitrators());
@@ -71,12 +90,12 @@ public class MockData
 
     public static List<BankAccountType.BankAccountTypeEnum> getBankTransferTypeEnums()
     {
-        return Utils.getAllBankAccountTypeEnums();
+        return Utilities.getAllBankAccountTypeEnums();
     }
 
     public static List<BankAccountType.BankAccountTypeEnum> getRandomBankTransferTypeEnums()
     {
-        return randomizeList(Utils.getAllBankAccountTypeEnums());
+        return randomizeList(Utilities.getAllBankAccountTypeEnums());
     }
 
     public static List randomizeList(List list)

src/main/java/io/bitsquare/util/Utilities.java

@@ -17,25 +17,25 @@ import java.util.List;
 import java.util.function.Function;
 import java.util.function.Predicate;
 
-public class Utils
+public class Utilities
 {
-    private static final Logger log = LoggerFactory.getLogger(Utils.class);
+    private static final Logger log = LoggerFactory.getLogger(Utilities.class);
 
     public static String getRootDir()
     {
-        return Utils.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/";
+        return Utilities.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/../";
     }
 
 
     public static String objectToJson(Object object)
     {
-        Gson gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE).create();
+        Gson gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE).setPrettyPrinting().create();
         return gson.toJson(object);
     }
 
     public static <T> T jsonToObject(String jsonString, Class<T> classOfT)
     {
-        Gson gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE).create();
+        Gson gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE).setPrettyPrinting().create();
         return gson.fromJson(jsonString, classOfT);
     }
 
@@ -228,23 +228,16 @@ public class Utils
         return bankTransferTypes;
     }
 
-    /**
-     * @param delay    in milliseconds
-     * @param callback
-     * @usage Utils.setTimeout(1000, (AnimationTimer animationTimer) -> {
-     * doSomething();
-     * return null;
-     * });
-     */
-    public static void setTimeout(int delay, Function<AnimationTimer, Void> callback)
+    public static AnimationTimer setTimeout(int delay, Function<AnimationTimer, Void> callback)
     {
-        long startTime = System.currentTimeMillis();
         AnimationTimer animationTimer = new AnimationTimer()
         {
+            long lastTimeStamp = System.currentTimeMillis();
+
             @Override
             public void handle(long arg0)
             {
-                if (System.currentTimeMillis() > delay + startTime)
+                if (System.currentTimeMillis() > delay + lastTimeStamp)
                 {
                     callback.apply(this);
                     this.stop();
@@ -252,5 +245,26 @@ public class Utils
             }
         };
         animationTimer.start();
+        return animationTimer;
+    }
+
+    public static AnimationTimer setInterval(int delay, Function<AnimationTimer, Void> callback)
+    {
+        AnimationTimer animationTimer = new AnimationTimer()
+        {
+            long lastTimeStamp = System.currentTimeMillis();
+
+            @Override
+            public void handle(long arg0)
+            {
+                if (System.currentTimeMillis() > delay + lastTimeStamp)
+                {
+                    lastTimeStamp = System.currentTimeMillis();
+                    callback.apply(this);
+                }
+            }
+        };
+        animationTimer.start();
+        return animationTimer;
     }
 }

src/main/resources/logback.xml

@@ -13,10 +13,10 @@
         <appender-ref ref="CONSOLE_APPENDER"/>
     </root>
 
-    <logger name="io.bitsquare" level="INFO"/>
+    <logger name="io.bitsquare" level="DEBUG"/>
 
     <logger name="com.google.bitcoin" level="ERROR"/>
-    <logger name="net.tomp2p" level="INFO"/>
+    <logger name="net.tomp2p" level="ERROR"/>
 
 
     <logger name="com.google.bitcoin.core.Peer" level="ERROR" additivity="false"/>