v1.12.8

change error message to 16 for payment ids (#643 )
fix XMR missing in open wallet (#642 )
2025-09-03 08:23:04 +02:00 · 2019-11-20 07:34:25 +01:00 · 2019-11-20 07:33:29 +01:00 · 2019-11-20 07:33:07 +01:00 · 2019-11-19 22:57:43 +01:00 · 2019-11-19 22:56:28 +01:00
124 changed files with 7575 additions and 2977 deletions
--- a/README.md
+++ b/README.md
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -137,7 +137,11 @@ set_target_properties(checkpoints PROPERTIES IMPORTED_LOCATION

 add_library(device STATIC IMPORTED)
 set_target_properties(device PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libdevice.a)
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libdevice.a)
+
+add_library(device_trezor STATIC IMPORTED)
+set_target_properties(device_trezor PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libdevice_trezor.a)

 add_library(multisig STATIC IMPORTED)
 set_target_properties(multisig PROPERTIES IMPORTED_LOCATION
@@ -147,6 +151,22 @@ add_library(version STATIC IMPORTED)
 set_target_properties(version PROPERTIES IMPORTED_LOCATION
    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libversion.a)

+add_library(net STATIC IMPORTED)
+set_target_properties(net PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libnet.a)
+
+add_library(hardforks STATIC IMPORTED)
+set_target_properties(hardforks PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libhardforks.a)
+
+add_library(randomx STATIC IMPORTED)
+set_target_properties(randomx PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/librandomx.a)
+
+add_library(rpc_base STATIC IMPORTED)
+set_target_properties(rpc_base PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/librpc_base.a)
+
 #############
 # System
 #############
@@ -166,6 +186,7 @@ target_link_libraries(  monerujo
                        mnemonics
                        ringct
                        ringct_basic
+                        net
                        common
                        cncrypto
                        blockchain_db
@@ -176,8 +197,12 @@ target_link_libraries(  monerujo
                        blocks
                        checkpoints
                        device
+                        device_trezor
                        multisig
                        version
+                        randomx
+                        hardforks
+                        rpc_base

                        boost_chrono
                        boost_date_time
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
        applicationId "com.m2049r.xmrwallet"
        minSdkVersion 21
        targetSdkVersion 28
-        versionCode 170
-        versionName "1.11.0 'Chernushka'"
+        versionCode 198
+        versionName "1.12.8 'Caerbannog'"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        externalNativeBuild {
@@ -115,6 +115,10 @@ dependencies {
    implementation 'org.slf4j:slf4j-nop:1.7.25'
    implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'

+    // https://mvnrepository.com/artifact/com.github.aelstad/keccakj
+    implementation 'com.github.aelstad:keccakj:1.1.0'
+
+
    testImplementation "junit:junit:$rootProject.ext.junitVersion"
    testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
    testImplementation "com.squareup.okhttp3:mockwebserver:$rootProject.ext.okHttpVersion"
--- a/app/src/main/cpp/device_io_monerujo.hpp
+++ b/app/src/main/cpp/device_io_monerujo.hpp
@@ -1,88 +0,0 @@
-// Copyright (c) 2017-2018, The Monero Project
-//
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without modification, are
-// permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice, this list of
-//    conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice, this list
-//    of conditions and the following disclaimer in the documentation and/or other
-//    materials provided with the distribution.
-//
-// 3. Neither the name of the copyright holder nor the names of its contributors may be
-//    used to endorse or promote products derived from this software without specific
-//    prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
-// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
-// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-
-#if defined(HAVE_MONERUJO)
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/**
- * @brief LedgerFind - find Ledger Device and return it's name
- * @param buffer     - buffer for name of found device
- * @param len        - length of buffer
- * @return  0 - success
- *         -1 - no device connected / found
- *         -2 - JVM not found
- */
-int LedgerFind(char *buffer, size_t len);
-
-/**
- * @brief LedgerExchange - exchange data with Ledger Device
- * @param command        - buffer for data to send
- * @param cmd_len        - length of send to send
- * @param response       - buffer for received data
- * @param max_resp_len   - size of receive buffer
- *
- * @return length of received data in response or -1 if error
- */
-int  LedgerExchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len);
-
-#ifdef __cplusplus
-}
-#endif
-
-#include "device_io.hpp"
-
-#pragma once
-
-namespace hw {
-  namespace io {
-    class device_io_monerujo: device_io {
-    public:
-      device_io_monerujo() {};
-      ~device_io_monerujo() {};
-
-      void init() {};
-      void release() {};
-
-      void connect(void *params) {};
-      void disconnect() {};
-      bool connected() const {return true;}; // monerujo is always connected before it gets here
-
-      // returns number of bytes read or -1 on error
-      int  exchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len) {
-        return LedgerExchange(command, cmd_len, response, max_resp_len);
-      }
-    };
-  };
-};
-
-#endif //#if defined(HAVE_MONERUJO)
--- a/app/src/main/cpp/monerujo.cpp
+++ b/app/src/main/cpp/monerujo.cpp
@@ -39,6 +39,7 @@ static jclass class_WalletListener;
 static jclass class_TransactionInfo;
 static jclass class_Transfer;
 static jclass class_Ledger;
+static jclass class_WalletStatus;

 std::mutex _listenerMutex;

@@ -61,6 +62,8 @@ JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
            jenv->FindClass("com/m2049r/xmrwallet/model/WalletListener")));
    class_Ledger = static_cast<jclass>(jenv->NewGlobalRef(
            jenv->FindClass("com/m2049r/xmrwallet/ledger/Ledger")));
+    class_WalletStatus = static_cast<jclass>(jenv->NewGlobalRef(
+            jenv->FindClass("com/m2049r/xmrwallet/model/Wallet$Status")));
    return JNI_VERSION_1_6;
 }
 #ifdef __cplusplus
@@ -581,10 +584,25 @@ Java_com_m2049r_xmrwallet_model_Wallet_getStatusJ(JNIEnv *env, jobject instance)
    return wallet->status();
 }

-JNIEXPORT jstring JNICALL
-Java_com_m2049r_xmrwallet_model_Wallet_getErrorString(JNIEnv *env, jobject instance) {
+jobject newWalletStatusInstance(JNIEnv *env, int status, const std::string &errorString) {
+    jmethodID init = env->GetMethodID(class_WalletStatus, "<init>",
+                                      "(ILjava/lang/String;)V");
+    jstring _errorString = env->NewStringUTF(errorString.c_str());
+    jobject instance = env->NewObject(class_WalletStatus, init, status, _errorString);
+    env->DeleteLocalRef(_errorString);
+    return instance;
+}
+
+
+JNIEXPORT jobject JNICALL
+Java_com_m2049r_xmrwallet_model_Wallet_statusWithErrorString(JNIEnv *env, jobject instance) {
    Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
-    return env->NewStringUTF(wallet->errorString().c_str());
+
+    int status;
+    std::string errorString;
+    wallet->statusWithErrorString(status, errorString);
+
+    return newWalletStatusInstance(env, status, errorString);
 }

 JNIEXPORT jboolean JNICALL
@@ -1292,7 +1310,6 @@ Java_com_m2049r_xmrwallet_model_PendingTransaction_getFirstTxIdJ(JNIEnv *env, jo
        return nullptr;
 }

-
 JNIEXPORT jlong JNICALL
 Java_com_m2049r_xmrwallet_model_PendingTransaction_getTxCount(JNIEnv *env, jobject instance) {
    Bitmonero::PendingTransaction *tx = getHandle<Bitmonero::PendingTransaction>(env, instance);
@@ -1378,12 +1395,15 @@ Java_com_m2049r_xmrwallet_model_WalletManager_setLogLevel(JNIEnv *env, jclass cl
    Bitmonero::WalletManagerFactory::setLogLevel(level);
 }

+JNIEXPORT jstring JNICALL
+Java_com_m2049r_xmrwallet_model_WalletManager_moneroVersion(JNIEnv *env, jclass clazz) {
+    return env->NewStringUTF(MONERO_VERSION);
+}
+
 //
 // Ledger Stuff
 //

-#include "device_io_monerujo.hpp"
-
 /**
 * @brief LedgerExchange - exchange data with Ledger Device
 * @param command        - buffer for data to send
@@ -1417,7 +1437,7 @@ int LedgerExchange(
        return -1;
    }
    jsize len = jenv->GetArrayLength(dataRecv);
-    LOGD("LedgerExchange SCARD_S_SUCCESS %ld/%d", cmd_len, len);
+    LOGD("LedgerExchange SCARD_S_SUCCESS %u/%d", cmd_len, len);
    if (len <= max_resp_len) {
        jenv->GetByteArrayRegion(dataRecv, 0, len, (jbyte *) response);
        jenv->DeleteLocalRef(dataRecv);
--- a/app/src/main/cpp/monerujo.h
+++ b/app/src/main/cpp/monerujo.h
@@ -54,6 +54,8 @@ extern "C"
 {
 #endif

+extern const char* const MONERO_VERSION; // the actual monero core version
+
 // from monero-core crypto/hash-ops.h - avoid #including monero code here
 enum {
    HASH_SIZE = 32,
--- a/app/src/main/java/com/btchip/comm/android/BTChipTransportAndroidHID.java
+++ b/app/src/main/java/com/btchip/comm/android/BTChipTransportAndroidHID.java
@@ -46,8 +46,12 @@ public class BTChipTransportAndroidHID implements BTChipTransport {
        HashMap<String, UsbDevice> deviceList = manager.getDeviceList();
        for (UsbDevice device : deviceList.values()) {
            Timber.d("%04X:%04X %s, %s", device.getVendorId(), device.getProductId(), device.getManufacturerName(), device.getProductName());
-            if ((device.getVendorId() == VID) && (device.getProductId() == PID_HID)) {
-                return device;
+            if (device.getVendorId() == VID) {
+                final int deviceProductId = device.getProductId();
+                for (int pid : PID_HIDS) {
+                    if (deviceProductId == pid)
+                        return device;
+                }
            }
        }
        return null;
@@ -74,7 +78,7 @@ public class BTChipTransportAndroidHID implements BTChipTransport {
    }

    private static final int VID = 0x2C97;
-    private static final int PID_HID = 0x0001;
+    private static final int[] PID_HIDS = {0x0001, 0x0004};

    private UsbDeviceConnection connection;
    private UsbInterface dongleInterface;
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java
@@ -16,6 +16,7 @@

 package com.m2049r.xmrwallet;

+import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -33,6 +34,7 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.LinearLayout;
@@ -45,6 +47,7 @@ import com.m2049r.xmrwallet.util.FingerprintHelper;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.RestoreHeight;
+import com.m2049r.xmrwallet.util.ledger.Monero;
 import com.m2049r.xmrwallet.widget.Toolbar;
 import com.nulabinc.zxcvbn.Strength;
 import com.nulabinc.zxcvbn.Zxcvbn;
@@ -76,6 +79,23 @@ public class GenerateFragment extends Fragment {

    private String type = null;

+    private void clearErrorOnTextEntry(final TextInputLayout textInputLayout) {
+        textInputLayout.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable editable) {
+                textInputLayout.setError(null);
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+        });
+    }
+
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
@@ -107,6 +127,23 @@ public class GenerateFragment extends Fragment {
                }
            }
        });
+        clearErrorOnTextEntry(etWalletName);
+
+        etWalletPassword.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable editable) {
+                checkPassword();
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+        });
+
        etWalletMnemonic.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
@@ -115,6 +152,8 @@ public class GenerateFragment extends Fragment {
                }
            }
        });
+        clearErrorOnTextEntry(etWalletMnemonic);
+
        etWalletAddress.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
@@ -123,6 +162,8 @@ public class GenerateFragment extends Fragment {
                }
            }
        });
+        clearErrorOnTextEntry(etWalletAddress);
+
        etWalletViewKey.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
@@ -131,6 +172,8 @@ public class GenerateFragment extends Fragment {
                }
            }
        });
+        clearErrorOnTextEntry(etWalletViewKey);
+
        etWalletSpendKey.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
@@ -139,6 +182,7 @@ public class GenerateFragment extends Fragment {
                }
            }
        });
+        clearErrorOnTextEntry(etWalletSpendKey);

        Helper.showKeyboard(getActivity());

@@ -240,9 +284,7 @@ public class GenerateFragment extends Fragment {
                }
            });
            etWalletAddress.setVisibility(View.VISIBLE);
-            etWalletAddress.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener()
-
-            {
+            etWalletAddress.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                    if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
                            || (actionId == EditorInfo.IME_ACTION_NEXT)) {
@@ -274,9 +316,7 @@ public class GenerateFragment extends Fragment {
        }
        if (type.equals(TYPE_KEY)) {
            etWalletSpendKey.setVisibility(View.VISIBLE);
-            etWalletSpendKey.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener()
-
-            {
+            etWalletSpendKey.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                    if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
                            || (actionId == EditorInfo.IME_ACTION_NEXT)) {
@@ -303,9 +343,7 @@ public class GenerateFragment extends Fragment {
                }
            });
        }
-        bGenerate.setOnClickListener(new View.OnClickListener()
-
-        {
+        bGenerate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Helper.hideKeyboard(getActivity());
@@ -313,21 +351,6 @@ public class GenerateFragment extends Fragment {
            }
        });

-        etWalletPassword.getEditText().addTextChangedListener(new TextWatcher() {
-            @Override
-            public void afterTextChanged(Editable editable) {
-                checkPassword();
-            }
-
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-            }
-        });
-
        etWalletName.requestFocus();
        initZxcvbn();

@@ -616,4 +639,79 @@ public class GenerateFragment extends Fragment {
        }
        super.onCreateOptionsMenu(menu, inflater);
    }
+
+    AlertDialog ledgerDialog = null;
+
+    public void convertLedgerSeed() {
+        if (ledgerDialog != null) return;
+        final Activity activity = getActivity();
+        View promptsView = getLayoutInflater().inflate(R.layout.prompt_ledger_seed, null);
+        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
+        alertDialogBuilder.setView(promptsView);
+
+        final TextInputLayout etSeed = promptsView.findViewById(R.id.etSeed);
+        final TextInputLayout etPassphrase = promptsView.findViewById(R.id.etPassphrase);
+
+        etSeed.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable s) {
+                if (etSeed.getError() != null) {
+                    etSeed.setError(null);
+                }
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start,
+                                          int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start,
+                                      int before, int count) {
+            }
+        });
+
+        alertDialogBuilder
+                .setCancelable(false)
+                .setPositiveButton(getString(R.string.label_ok), null)
+                .setNegativeButton(getString(R.string.label_cancel),
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                Helper.hideKeyboardAlways(activity);
+                                etWalletMnemonic.getEditText().getText().clear();
+                                dialog.cancel();
+                                ledgerDialog = null;
+                            }
+                        });
+
+        ledgerDialog = alertDialogBuilder.create();
+
+        ledgerDialog.setOnShowListener(new DialogInterface.OnShowListener() {
+            @Override
+            public void onShow(DialogInterface dialog) {
+                Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
+                button.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        String ledgerSeed = etSeed.getEditText().getText().toString();
+                        String ledgerPassphrase = etPassphrase.getEditText().getText().toString();
+                        String moneroSeed = Monero.convert(ledgerSeed, ledgerPassphrase);
+                        if (moneroSeed != null) {
+                            etWalletMnemonic.getEditText().setText(moneroSeed);
+                            ledgerDialog.dismiss();
+                            ledgerDialog = null;
+                        } else {
+                            etSeed.setError(getString(R.string.bad_ledger_seed));
+                        }
+                    }
+                });
+            }
+        });
+
+        if (Helper.preventScreenshot()) {
+            ledgerDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+        }
+
+        ledgerDialog.show();
+    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java
@@ -33,6 +33,7 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.ImageButton;
@@ -54,6 +55,8 @@ import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
 import com.m2049r.xmrwallet.widget.Toolbar;

+import java.text.NumberFormat;
+
 import timber.log.Timber;

 public class GenerateReviewFragment extends Fragment {
@@ -71,6 +74,7 @@ public class GenerateReviewFragment extends Fragment {
    private TextView tvWalletPassword;
    private TextView tvWalletAddress;
    private TextView tvWalletMnemonic;
+    private TextView tvWalletHeight;
    private TextView tvWalletViewKey;
    private TextView tvWalletSpendKey;
    private ImageButton bCopyAddress;
@@ -98,6 +102,7 @@ public class GenerateReviewFragment extends Fragment {
        tvWalletViewKey = view.findViewById(R.id.tvWalletViewKey);
        tvWalletSpendKey = view.findViewById(R.id.tvWalletSpendKey);
        tvWalletMnemonic = view.findViewById(R.id.tvWalletMnemonic);
+        tvWalletHeight = view.findViewById(R.id.tvWalletHeight);
        bCopyAddress = view.findViewById(R.id.bCopyAddress);
        bAdvancedInfo = view.findViewById(R.id.bAdvancedInfo);
        llAdvancedInfo = view.findViewById(R.id.llAdvancedInfo);
@@ -187,11 +192,12 @@ public class GenerateReviewFragment extends Fragment {
    private class AsyncShow extends AsyncTask<String, Void, Boolean> {
        String name;
        String address;
+        long height;
        String seed;
        String viewKey;
        String spendKey;
        boolean isWatchOnly;
-        Wallet.Status status;
+        Wallet.Status walletStatus;

        boolean dialogOpened = false;

@@ -223,14 +229,15 @@ public class GenerateReviewFragment extends Fragment {
                closeWallet = true;
            }
            name = wallet.getName();
-            status = wallet.getStatus();
-            if (status != Wallet.Status.Status_Ok) {
-                Timber.e(wallet.getErrorString());
+            walletStatus = wallet.getStatus();
+            if (!walletStatus.isOk()) {
+                Timber.e(walletStatus.getErrorString());
                if (closeWallet) wallet.close();
                return false;
            }

            address = wallet.getAddress();
+            height = wallet.getRestoreHeight();
            seed = wallet.getSeed();
            switch (wallet.getDeviceType()) {
                case Device_Ledger:
@@ -263,6 +270,7 @@ public class GenerateReviewFragment extends Fragment {
                llPassword.setVisibility(View.VISIBLE);
                tvWalletPassword.setText(getPassword());
                tvWalletAddress.setText(address);
+                tvWalletHeight.setText(NumberFormat.getInstance().format(height));
                if (!seed.isEmpty()) {
                    llMnemonic.setVisibility(View.VISIBLE);
                    tvWalletMnemonic.setText(seed);
@@ -286,10 +294,11 @@ public class GenerateReviewFragment extends Fragment {
                        GenerateReviewFragment.VIEW_TYPE_ACCEPT.equals(type) ? Toolbar.BUTTON_NONE : Toolbar.BUTTON_BACK);
            } else {
                // TODO show proper error message and/or end the fragment?
-                tvWalletAddress.setText(status.toString());
-                tvWalletMnemonic.setText(status.toString());
-                tvWalletViewKey.setText(status.toString());
-                tvWalletSpendKey.setText(status.toString());
+                tvWalletAddress.setText(walletStatus.toString());
+                tvWalletHeight.setText(walletStatus.toString());
+                tvWalletMnemonic.setText(walletStatus.toString());
+                tvWalletViewKey.setText(walletStatus.toString());
+                tvWalletSpendKey.setText(walletStatus.toString());
            }
            hideProgress();
        }
@@ -413,12 +422,13 @@ public class GenerateReviewFragment extends Fragment {
        }

        boolean ok = false;
-        if (wallet.getStatus() == Wallet.Status.Status_Ok) {
+        Wallet.Status walletStatus = wallet.getStatus();
+        if (walletStatus.isOk()) {
            wallet.setPassword(newPassword);
            wallet.store();
            ok = true;
        } else {
-            Timber.e(wallet.getErrorString());
+            Timber.e(walletStatus.getErrorString());
        }
        if (closeWallet) wallet.close();
        return ok;
@@ -620,6 +630,11 @@ public class GenerateReviewFragment extends Fragment {
                return false;
            }
        });
+
+        if (Helper.preventScreenshot()) {
+            openDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+        }
+
        return openDialog;
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
@@ -918,6 +918,16 @@ public class LoginActivity extends BaseActivity

    }

+    boolean checkAndCloseWallet(Wallet aWallet) {
+        Wallet.Status walletStatus = aWallet.getStatus();
+        if (!walletStatus.isOk()) {
+            Timber.e(walletStatus.getErrorString());
+            toast(walletStatus.getErrorString());
+        }
+        aWallet.close();
+        return walletStatus.isOk();
+    }
+
    @Override
    public void onGenerate(final String name, final String password) {
        createWallet(name, password,
@@ -929,15 +939,13 @@ public class LoginActivity extends BaseActivity

                    @Override
                    public boolean createWallet(File aFile, String password) {
+                        NodeInfo currentNode = getNode();
+                        // get it from the connected node if we have one, and go back ca. 4 days
+                        final long restoreHeight =
+                                (currentNode != null) ? currentNode.getHeight() - 2000 : -1;
                        Wallet newWallet = WalletManager.getInstance()
-                                .createWallet(aFile, password, MNEMONIC_LANGUAGE);
-                        boolean success = (newWallet.getStatus() == Wallet.Status.Status_Ok);
-                        if (!success) {
-                            Timber.e(newWallet.getErrorString());
-                            toast(newWallet.getErrorString());
-                        }
-                        newWallet.close();
-                        return success;
+                                .createWallet(aFile, password, MNEMONIC_LANGUAGE, restoreHeight);
+                        return checkAndCloseWallet(newWallet);
                    }
                });
    }
@@ -956,13 +964,7 @@ public class LoginActivity extends BaseActivity
                    public boolean createWallet(File aFile, String password) {
                        Wallet newWallet = WalletManager.getInstance()
                                .recoveryWallet(aFile, password, seed, restoreHeight);
-                        boolean success = (newWallet.getStatus() == Wallet.Status.Status_Ok);
-                        if (!success) {
-                            Timber.e(newWallet.getErrorString());
-                            toast(newWallet.getErrorString());
-                        }
-                        newWallet.close();
-                        return success;
+                        return checkAndCloseWallet(newWallet);
                    }
                });
    }
@@ -982,13 +984,7 @@ public class LoginActivity extends BaseActivity
                        Wallet newWallet = WalletManager.getInstance()
                                .createWalletFromDevice(aFile, password,
                                        restoreHeight, "Ledger");
-                        boolean success = (newWallet.getStatus() == Wallet.Status.Status_Ok);
-                        if (!success) {
-                            Timber.e(newWallet.getErrorString());
-                            toast(newWallet.getErrorString());
-                        }
-                        newWallet.close();
-                        return success;
+                        return checkAndCloseWallet(newWallet);
                    }
                });
    }
@@ -1009,13 +1005,7 @@ public class LoginActivity extends BaseActivity
                        Wallet newWallet = WalletManager.getInstance()
                                .createWalletWithKeys(aFile, password, MNEMONIC_LANGUAGE, restoreHeight,
                                        address, viewKey, spendKey);
-                        boolean success = (newWallet.getStatus() == Wallet.Status.Status_Ok);
-                        if (!success) {
-                            Timber.e(newWallet.getErrorString());
-                            toast(newWallet.getErrorString());
-                        }
-                        newWallet.close();
-                        return success;
+                        return checkAndCloseWallet(newWallet);
                    }
                });
    }
@@ -1229,6 +1219,12 @@ public class LoginActivity extends BaseActivity
            case R.id.action_language:
                onChangeLocale();
                return true;
+            case R.id.action_ledger_seed:
+                Fragment f = getSupportFragmentManager().findFragmentById(R.id.fragment_container);
+                if (f instanceof GenerateFragment) {
+                    ((GenerateFragment) f).convertLedgerSeed();
+                }
+                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
@@ -1361,30 +1357,44 @@ public class LoginActivity extends BaseActivity
    };

    private void connectLedger(UsbManager usbManager, final UsbDevice usbDevice) {
-        try {
-            Ledger.connect(usbManager, usbDevice);
-            registerDetachReceiver();
-            onLedgerAction();
-            runOnUiThread(new Runnable() {
-                @Override
-                public void run() {
-                    Toast.makeText(LoginActivity.this,
-                            getString(R.string.toast_ledger_attached, usbDevice.getProductName()),
-                            Toast.LENGTH_SHORT)
-                            .show();
+        if (Ledger.ENABLED)
+            try {
+                Ledger.connect(usbManager, usbDevice);
+                if (!Ledger.check()) {
+                    Ledger.disconnect();
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(LoginActivity.this,
+                                    getString(R.string.toast_ledger_start_app, usbDevice.getProductName()),
+                                    Toast.LENGTH_SHORT)
+                                    .show();
+                        }
+                    });
+                } else {
+                    registerDetachReceiver();
+                    onLedgerAction();
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(LoginActivity.this,
+                                    getString(R.string.toast_ledger_attached, usbDevice.getProductName()),
+                                    Toast.LENGTH_SHORT)
+                                    .show();
+                        }
+                    });
                }
-            });
-        } catch (IOException ex) {
-            runOnUiThread(new Runnable() {
-                @Override
-                public void run() {
-                    Toast.makeText(LoginActivity.this,
-                            getString(R.string.open_wallet_ledger_missing),
-                            Toast.LENGTH_SHORT)
-                            .show();
-                }
-            });
-        }
+            } catch (IOException ex) {
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        Toast.makeText(LoginActivity.this,
+                                getString(R.string.open_wallet_ledger_missing),
+                                Toast.LENGTH_SHORT)
+                                .show();
+                    }
+                });
+            }
    }

    @Override
--- a/app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java
@@ -439,10 +439,13 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
            }
            Collections.sort(nodesToTest, NodeInfo.BestNodeComparator);
            NodeInfo bestNode = nodesToTest.get(0);
-            if (bestNode.isValid())
-                return nodesToTest.get(0);
-            else
+            if (bestNode.isValid()) {
+                activityCallback.setNode(bestNode);
+                return bestNode;
+            } else {
+                activityCallback.setNode(null);
                return null;
+            }
        }

        @Override
@@ -450,7 +453,6 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
            if (!isAdded()) return;
            pbNode.setVisibility(View.INVISIBLE);
            llNode.setVisibility(View.VISIBLE);
-            activityCallback.setNode(result);
            if (result != null) {
                Timber.d("found a good node %s", result.toString());
                showNode(result);
--- a/app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java
@@ -32,6 +32,7 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.TextView;
@@ -265,6 +266,7 @@ public class NodeFragment extends Fragment
                seedList.add(new NodeInfo(new InetSocketAddress("198.74.231.92", 18080)));
                seedList.add(new NodeInfo(new InetSocketAddress("195.154.123.123", 18080)));
                seedList.add(new NodeInfo(new InetSocketAddress("212.83.172.165", 18080)));
+                seedList.add(new NodeInfo(new InetSocketAddress("192.110.160.146", 18080)));
                d.seedPeers(seedList);
                d.awaitTermination(NODES_TO_FIND);
            }
@@ -506,6 +508,10 @@ public class NodeFragment extends Fragment
                }
            });

+            if (Helper.preventScreenshot()) {
+                editDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+            }
+
            etNodePass.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                    if (actionId == EditorInfo.IME_ACTION_DONE) {
--- a/app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java
@@ -302,7 +302,7 @@ public class ReceiveFragment extends Fragment {
        File imagePath = new File(getActivity().getCacheDir(), "images");
        File png = new File(imagePath, "QR.png");
        Uri contentUri = FileProvider.getUriForFile(getActivity(),
-                "com.m2049r.xmrwallet.fileprovider", png);
+                BuildConfig.APPLICATION_ID + ".fileprovider", png);
        if (contentUri != null) {
            Intent shareIntent = new Intent();
            shareIntent.setAction(Intent.ACTION_SEND);
@@ -574,6 +574,7 @@ public class ReceiveFragment extends Fragment {
    @Override
    public void onPause() {
        Timber.d("onPause()");
+        Helper.hideKeyboard(getActivity());
        super.onPause();
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java
@@ -21,6 +21,7 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;

+import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.LocaleHelper;

 import static android.view.WindowManager.LayoutParams;
@@ -30,8 +31,7 @@ public abstract class SecureActivity extends AppCompatActivity {
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

-        // set FLAG_SECURE to prevent screenshots in Release Mode
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
+        if (Helper.preventScreenshot()) {
            getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);
        }
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/TxFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/TxFragment.java
@@ -71,7 +71,6 @@ public class TxFragment extends Fragment {
    private TextView tvTxFee;
    private TextView tvTxTransfers;
    private TextView etTxNotes;
-    private Button bTxNotes;

    // XMRTO stuff
    private View cvXmrTo;
@@ -102,21 +101,9 @@ public class TxFragment extends Fragment {
        tvTxFee = view.findViewById(R.id.tvTxFee);
        tvTxTransfers = view.findViewById(R.id.tvTxTransfers);
        etTxNotes = view.findViewById(R.id.etTxNotes);
-        bTxNotes = view.findViewById(R.id.bTxNotes);

        etTxNotes.setRawInputType(InputType.TYPE_CLASS_TEXT);

-        bTxNotes.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                info.notes = null; // force reload on next view
-                bTxNotes.setEnabled(false);
-                etTxNotes.setEnabled(false);
-                userNotes.setNote(etTxNotes.getText().toString());
-                activityCallback.onSetNote(info.hash, userNotes.txNotes);
-            }
-        });
-
        tvTxXmrToKey.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
@@ -131,14 +118,6 @@ public class TxFragment extends Fragment {
        return view;
    }

-    public void onNotesSet(boolean reload) {
-        bTxNotes.setEnabled(true);
-        etTxNotes.setEnabled(true);
-        if (reload) {
-            loadNotes(this.info);
-        }
-    }
-
    void shareTxInfo() {
        if (this.info == null) return;
        StringBuffer sb = new StringBuffer();
@@ -315,7 +294,6 @@ public class TxFragment extends Fragment {
        }
    }

-
    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
@@ -337,9 +315,9 @@ public class TxFragment extends Fragment {

        String getTxNotes(String hash);

-        String getTxAddress(int major, int minor);
+        boolean setTxNotes(String txId, String txNotes);

-        void onSetNote(String txId, String notes);
+        String getTxAddress(int major, int minor);

        void setToolbarButton(int type);

@@ -357,4 +335,16 @@ public class TxFragment extends Fragment {
                    + " must implement Listener");
        }
    }
-}
+
+    @Override
+    public void onPause() {
+        if (!etTxNotes.getText().toString().equals(userNotes.note)) { // notes have changed
+            // save them
+            userNotes.setNote(etTxNotes.getText().toString());
+            info.notes = userNotes.txNotes;
+            activityCallback.setTxNotes(info.hash, info.notes);
+        }
+        Helper.hideKeyboard(getActivity());
+        super.onPause();
+    }
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java
@@ -150,8 +150,13 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        final WalletFragment walletFragment = (WalletFragment)
                getSupportFragmentManager().findFragmentByTag(WalletFragment.class.getName());
        if (walletFragment != null) walletFragment.resetDismissedTransactions();
-        updateAccountsBalance();
        forceUpdate();
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                updateAccountsBalance();
+            }
+        });
    }

    @Override
@@ -174,6 +179,11 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        return getWallet().getUserNote(txId);
    }

+    @Override
+    public boolean setTxNotes(String txId, String txNotes) {
+        return getWallet().setUserNote(txId, txNotes);
+    }
+
    @Override
    public String getTxAddress(int major, int minor) {
        return getWallet().getSubaddress(major, minor);
@@ -618,23 +628,22 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
    }

    @Override
-    public void onWalletStarted(final Wallet.ConnectionStatus connStatus) {
+    public void onWalletStarted(final Wallet.Status walletStatus) {
        runOnUiThread(new Runnable() {
            public void run() {
                dismissProgressDialog();
-                switch (connStatus) {
-                    case ConnectionStatus_Disconnected:
-                        Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_connect_failed), Toast.LENGTH_LONG).show();
-                        break;
-                    case ConnectionStatus_WrongVersion:
+                if (walletStatus == null) {
+                    // guess what went wrong
+                    Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_connect_failed), Toast.LENGTH_LONG).show();
+                } else {
+                    if (Wallet.ConnectionStatus.ConnectionStatus_WrongVersion == walletStatus.getConnectionStatus())
                        Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_connect_wrongversion), Toast.LENGTH_LONG).show();
-                        break;
-                    case ConnectionStatus_Connected:
-                        break;
+                    else if (!walletStatus.isOk())
+                        Toast.makeText(WalletActivity.this, walletStatus.getErrorString(), Toast.LENGTH_LONG).show();
                }
            }
        });
-        if (connStatus != Wallet.ConnectionStatus.ConnectionStatus_Connected) {
+        if ((walletStatus == null) || (Wallet.ConnectionStatus.ConnectionStatus_Connected != walletStatus.getConnectionStatus())) {
            finish();
        } else {
            haveWallet = true;
@@ -713,26 +722,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        }
    }

-    @Override
-    public void onSetNotes(final boolean success) {
-        try {
-            final TxFragment txFragment = (TxFragment)
-                    getSupportFragmentManager().findFragmentById(R.id.fragment_container);
-            runOnUiThread(new Runnable() {
-                public void run() {
-                    if (!success) {
-                        Toast.makeText(WalletActivity.this, getString(R.string.tx_notes_set_failed), Toast.LENGTH_LONG).show();
-                    }
-                    txFragment.onNotesSet(success);
-                }
-            });
-        } catch (ClassCastException ex) {
-            // not in tx fragment
-            Timber.d(ex.getLocalizedMessage());
-            // never mind
-        }
-    }
-
    @Override
    public void onProgress(final String text) {
        try {
@@ -794,21 +783,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste

    }

-    @Override
-    public void onSetNote(String txId, String notes) {
-        if (mIsBound) { // no point in talking to unbound service
-            Intent intent = new Intent(getApplicationContext(), WalletService.class);
-            intent.putExtra(WalletService.REQUEST, WalletService.REQUEST_CMD_SETNOTE);
-            intent.putExtra(WalletService.REQUEST_CMD_SETNOTE_TX, txId);
-            intent.putExtra(WalletService.REQUEST_CMD_SETNOTE_NOTES, notes);
-            startService(intent);
-            Timber.d("SET NOTE request sent");
-        } else {
-            Timber.e("Service not bound");
-        }
-
-    }
-
    @Override
    public void onPrepareSend(final String tag, final TxData txData) {
        if (mIsBound) { // no point in talking to unbound service
@@ -1062,6 +1036,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        } else {
            tvBalance.setText(null);
        }
+        updateAccountsList();
    }

    void updateAccountsHeader() {
@@ -1075,8 +1050,11 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        Menu menu = accountsView.getMenu();
        menu.removeGroup(R.id.accounts_list);
        final int n = wallet.getNumAccounts();
+        final boolean showBalances = (n > 1) && !isStreetMode();
        for (int i = 0; i < n; i++) {
-            final String label = wallet.getAccountLabel(i);
+            final String label = (showBalances ?
+                    getString(R.string.label_account, wallet.getAccountLabel(i), Helper.getDisplayAmount(wallet.getBalance(i), 2))
+                    : wallet.getAccountLabel(i));
            final MenuItem item = menu.add(R.id.accounts_list, getAccountId(i), 2 * i, label);
            item.setIcon(R.drawable.ic_account_balance_wallet_black_24dp);
            if (i == wallet.getAccountIndex())
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java
@@ -50,9 +50,8 @@ import com.m2049r.xmrwallet.widget.Toolbar;

 import java.text.NumberFormat;
 import java.util.ArrayList;
-import java.util.Date;
+import java.util.Arrays;
 import java.util.List;
-import java.util.stream.Collectors;

 import timber.log.Timber;

@@ -114,9 +113,12 @@ public class WalletFragment extends Fragment
        ivSynced = view.findViewById(R.id.ivSynced);

        sCurrency = view.findViewById(R.id.sCurrency);
-        ArrayAdapter currencyAdapter = ArrayAdapter.createFromResource(getContext(), R.array.currency, R.layout.item_spinner_balance);
-        currencyAdapter.setDropDownViewResource(R.layout.item_spinner_dropdown_item);
-        sCurrency.setAdapter(currencyAdapter);
+        List<String> currencies = new ArrayList<>();
+        currencies.add(Helper.BASE_CRYPTO);
+        currencies.addAll(Arrays.asList(getResources().getStringArray(R.array.currency)));
+        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(getContext(), R.layout.item_spinner_balance, currencies);
+        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        sCurrency.setAdapter(spinnerAdapter);

        bSend = view.findViewById(R.id.bSend);
        bReceive = view.findViewById(R.id.bReceive);
@@ -219,8 +221,8 @@ public class WalletFragment extends Fragment
        if (isExchanging) return; // wait for exchange to finish - it will fire this itself then.
        // at this point selection is XMR in case of error
        String displayB;
-        double amountA = Double.parseDouble(Wallet.getDisplayAmount(unlockedBalance)); // crash if this fails!
-        if (!Helper.CRYPTO.equals(balanceCurrency)) { // not XMR
+        double amountA = Helper.getDecimalAmount(unlockedBalance).doubleValue();
+        if (!Helper.BASE_CRYPTO.equals(balanceCurrency)) { // not XMR
            double amountB = amountA * balanceRate;
            displayB = Helper.getFormattedAmount(amountB, false);
        } else { // XMR
@@ -229,23 +231,23 @@ public class WalletFragment extends Fragment
        showBalance(displayB);
    }

-    String balanceCurrency = Helper.CRYPTO;
+    String balanceCurrency = Helper.BASE_CRYPTO;
    double balanceRate = 1.0;

    private final ExchangeApi exchangeApi = Helper.getExchangeApi();

    void refreshBalance() {
-        double unconfirmedXmr = Double.parseDouble(Helper.getDisplayAmount(balance - unlockedBalance));
+        double unconfirmedXmr = Helper.getDecimalAmount(balance - unlockedBalance).doubleValue();
        showUnconfirmed(unconfirmedXmr);
        if (sCurrency.getSelectedItemPosition() == 0) { // XMR
-            double amountXmr = Double.parseDouble(Wallet.getDisplayAmount(unlockedBalance)); // assume this cannot fail!
+            double amountXmr = Helper.getDecimalAmount(unlockedBalance).doubleValue();
            showBalance(Helper.getFormattedAmount(amountXmr, true));
        } else { // not XMR
            String currency = (String) sCurrency.getSelectedItem();
            Timber.d(currency);
            if (!currency.equals(balanceCurrency) || (balanceRate <= 0)) {
                showExchanging();
-                exchangeApi.queryExchangeRate(Helper.CRYPTO, currency,
+                exchangeApi.queryExchangeRate(Helper.BASE_CRYPTO, currency,
                        new ExchangeCallback() {
                            @Override
                            public void onSuccess(final ExchangeRate exchangeRate) {
@@ -294,17 +296,17 @@ public class WalletFragment extends Fragment

    public void exchangeFailed() {
        sCurrency.setSelection(0, true); // default to XMR
-        double amountXmr = Double.parseDouble(Wallet.getDisplayAmount(unlockedBalance)); // assume this cannot fail!
+        double amountXmr = Helper.getDecimalAmount(unlockedBalance).doubleValue();
        showBalance(Helper.getFormattedAmount(amountXmr, true));
        hideExchanging();
    }

    public void exchange(final ExchangeRate exchangeRate) {
        hideExchanging();
-        if (!Helper.CRYPTO.equals(exchangeRate.getBaseCurrency())) {
+        if (!Helper.BASE_CRYPTO.equals(exchangeRate.getBaseCurrency())) {
            Timber.e("Not XMR");
            sCurrency.setSelection(0, true);
-            balanceCurrency = Helper.CRYPTO;
+            balanceCurrency = Helper.BASE_CRYPTO;
            balanceRate = 1.0;
        } else {
            int spinnerPosition = ((ArrayAdapter) sCurrency.getAdapter()).getPosition(exchangeRate.getQuoteCurrency());
--- a/app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java
@@ -46,7 +46,8 @@ import okhttp3.ResponseBody;
 import timber.log.Timber;

 public class NodeInfo extends Node {
-    final static public int MIN_MAJOR_VERSION = 9;
+    final static public int MIN_MAJOR_VERSION = 11;
+    final static public String RPC_VERSION = "2.0";

    private long height = 0;
    private long timestamp = 0;
@@ -228,11 +229,16 @@ public class NodeInfo extends Node {
                responseCode = response.code();
                if (response.isSuccessful()) {
                    ResponseBody respBody = response.body(); // closed through Response object
-                    if ((respBody != null) && (respBody.contentLength() < 1000)) { // sanity check
+                    if ((respBody != null) && (respBody.contentLength() < 2000)) { // sanity check
                        final JSONObject json = new JSONObject(
                                respBody.string());
-                        final JSONObject header = json.getJSONObject(
-                                "result").getJSONObject("block_header");
+                        String rpcVersion = json.getString("jsonrpc");
+                        if (!RPC_VERSION.equals(rpcVersion))
+                            return false;
+                        final JSONObject result = json.getJSONObject("result");
+                        if (!result.has("credits")) // introduced in monero v0.15.0
+                            return false;
+                        final JSONObject header = result.getJSONObject("block_header");
                        height = header.getLong("height");
                        timestamp = header.getLong("timestamp");
                        majorVersion = header.getInt("major_version");
--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/ProgressDialog.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/dialog/ProgressDialog.java
@@ -28,6 +28,7 @@ import android.widget.TextView;

 import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.Helper;

 import java.util.Locale;

@@ -62,9 +63,6 @@ public class ProgressDialog extends AlertDialog {
        pbBar = view.findViewById(R.id.pbBar);
        tvProgress = view.findViewById(R.id.tvProgress);
        setView(view);
-        //setTitle("blabla");
-        //super.setMessage("bubbu");
-//        view.invalidate();
        setIndeterminate(indeterminate);
        if (maxValue > 0) {
            setMax(maxValue);
@@ -79,8 +77,7 @@ public class ProgressDialog extends AlertDialog {

        super.onCreate(savedInstanceState);

-        // set FLAG_SECURE to prevent screenshots in Release Mode
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
+        if (Helper.preventScreenshot()) {
            getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
        }
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java
@@ -33,7 +33,9 @@ import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.TextView;
+import android.widget.Toast;

 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.BarcodeData;
@@ -92,6 +94,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
    private View llPaymentId;
    private TextView tvXmrTo;
    private View llXmrTo;
+    private ImageButton bPasteAddress;

    private boolean resolvingOA = false;
    private boolean resolvingPP = false;
@@ -137,28 +140,12 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                        next = null;
                    } else {
                        // maybe a bip72 or 70 URI
-                        String bip70 = PaymentProtocolHelper.getBip70(enteredAddress);
+                        final String bip70 = PaymentProtocolHelper.getBip70(enteredAddress);
                        if (bip70 != null) {
                            // looks good - resolve through xmr.to
                            processBip70(bip70);
-                            next = null;
-                        } else if (checkAddress()) {
-                            if (llPaymentId.getVisibility() == View.VISIBLE) {
-                                next = etPaymentId;
-                            } else {
-                                next = etNotes;
-                            }
                        }
                    }
-                    if (next != null) {
-                        final View focus = next;
-                        etAddress.post(new Runnable() {
-                            @Override
-                            public void run() {
-                                focus.requestFocus();
-                            }
-                        });
-                    }
                }
            }
        });
@@ -173,6 +160,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                    Timber.d("isIntegratedAddress");
                    etPaymentId.getEditText().getText().clear();
                    llPaymentId.setVisibility(View.INVISIBLE);
+                    etAddress.setError(getString(R.string.info_paymentid_integrated));
                    tvPaymentIdIntegrated.setVisibility(View.VISIBLE);
                    llXmrTo.setVisibility(View.INVISIBLE);
                    sendListener.setMode(SendFragment.Mode.XMR);
@@ -197,6 +185,32 @@ public class SendAddressWizardFragment extends SendWizardFragment {
            }
        });

+        bPasteAddress = view.findViewById(R.id.bPasteAddress);
+        bPasteAddress.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                final String clip = Helper.getClipBoardText(getActivity());
+                if (clip == null) return;
+                // clean it up
+                final String address = clip.replaceAll("[^0-9A-Z-a-z]", "");
+                if (Wallet.isAddressValid(address) || BitcoinAddressValidator.validate(address)) {
+                    final EditText et = etAddress.getEditText();
+                    et.setText(address);
+                    et.setSelection(et.getText().length());
+                    etAddress.requestFocus();
+                } else {
+                    final String bip70 = PaymentProtocolHelper.getBip70(clip);
+                    if (bip70 != null) {
+                        final EditText et = etAddress.getEditText();
+                        et.setText(clip);
+                        et.setSelection(et.getText().length());
+                        processBip70(bip70);
+                    } else
+                        Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+
        etPaymentId = view.findViewById(R.id.etPaymentId);
        etPaymentId.getEditText().setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
        etPaymentId.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
@@ -230,7 +244,10 @@ public class SendAddressWizardFragment extends SendWizardFragment {
        bPaymentId.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
-                etPaymentId.getEditText().setText((Wallet.generatePaymentId()));
+                final EditText et = etPaymentId.getEditText();
+                et.setText((Wallet.generatePaymentId()));
+                et.setSelection(et.getText().length());
+                etPaymentId.requestFocus();
            }
        });

@@ -241,7 +258,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
                    etDummy.requestFocus();
-                    Helper.hideKeyboard(getActivity());
                    return true;
                }
                return false;
@@ -259,7 +275,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
        etDummy = view.findViewById(R.id.etDummy);
        etDummy.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
        etDummy.requestFocus();
-        Helper.hideKeyboard(getActivity());

        View tvNfc = view.findViewById(R.id.tvNfc);
        NfcManager manager = (NfcManager) getContext().getSystemService(Context.NFC_SERVICE);
@@ -533,7 +548,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
    public void onResumeFragment() {
        super.onResumeFragment();
        Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
        etDummy.requestFocus();
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAmountWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAmountWizardFragment.java
@@ -21,8 +21,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;

 import com.m2049r.xmrwallet.R;
@@ -30,8 +28,7 @@ import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.widget.ExchangeTextView;
-import com.m2049r.xmrwallet.widget.NumberPadView;
+import com.m2049r.xmrwallet.widget.ExchangeEditText;

 import timber.log.Timber;

@@ -59,8 +56,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
    }

    private TextView tvFunds;
-    private ExchangeTextView evAmount;
-    private View llAmount;
+    private ExchangeEditText etAmount;
    private View rlSweep;
    private ImageButton ibSweep;

@@ -75,12 +71,9 @@ public class SendAmountWizardFragment extends SendWizardFragment {
        View view = inflater.inflate(R.layout.fragment_send_amount, container, false);

        tvFunds = view.findViewById(R.id.tvFunds);
-
-        evAmount = view.findViewById(R.id.evAmount);
-        ((NumberPadView) view.findViewById(R.id.numberPad)).setListener(evAmount);
-
+        etAmount = view.findViewById(R.id.etAmount);
        rlSweep = view.findViewById(R.id.rlSweep);
-        llAmount = view.findViewById(R.id.llAmount);
+
        view.findViewById(R.id.ivSweep).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
@@ -97,8 +90,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
            }
        });

-        Helper.hideKeyboard(getActivity());
-
+        etAmount.requestFocus();
        return view;
    }

@@ -107,11 +99,11 @@ public class SendAmountWizardFragment extends SendWizardFragment {
    private void sweepAll(boolean spendAllMode) {
        if (spendAllMode) {
            ibSweep.setVisibility(View.INVISIBLE);
-            llAmount.setVisibility(View.GONE);
+            etAmount.setVisibility(View.GONE);
            rlSweep.setVisibility(View.VISIBLE);
        } else {
            ibSweep.setVisibility(View.VISIBLE);
-            llAmount.setVisibility(View.VISIBLE);
+            etAmount.setVisibility(View.VISIBLE);
            rlSweep.setVisibility(View.GONE);
        }
        this.spendAllMode = spendAllMode;
@@ -124,12 +116,12 @@ public class SendAmountWizardFragment extends SendWizardFragment {
                sendListener.getTxData().setAmount(Wallet.SWEEP_ALL);
            }
        } else {
-            if (!evAmount.validate(maxFunds)) {
+            if (!etAmount.validate(maxFunds, 0)) {
                return false;
            }

            if (sendListener != null) {
-                String xmr = evAmount.getAmount();
+                String xmr = etAmount.getNativeAmount();
                if (xmr != null) {
                    sendListener.getTxData().setAmount(Wallet.getAmountFromString(xmr));
                } else {
@@ -146,7 +138,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
    public void onResumeFragment() {
        super.onResumeFragment();
        Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
+        Helper.showKeyboard(getActivity());
        final long funds = getTotalFunds();
        maxFunds = 1.0 * funds / 1000000000000L;
        if (!sendListener.getActivityCallback().isStreetMode()) {
@@ -156,11 +148,11 @@ public class SendAmountWizardFragment extends SendWizardFragment {
            tvFunds.setText(getString(R.string.send_available,
                    getString(R.string.unknown_amount)));
        }
-        // getAmount is null if exchange is in progress
-        if ((evAmount.getAmount() != null) && evAmount.getAmount().isEmpty()) {
+        // getNativeAmount is null if exchange is in progress
+        if ((etAmount.getNativeAmount() != null) && etAmount.getNativeAmount().isEmpty()) {
            final BarcodeData data = sendListener.popBarcodeData();
            if ((data != null) && (data.amount != null)) {
-                evAmount.setAmount(data.amount);
+                etAmount.setAmount(data.amount);
            }
        }
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcAmountWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcAmountWizardFragment.java
@@ -31,8 +31,8 @@ import com.m2049r.xmrwallet.data.TxDataBtc;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.OkHttpHelper;
-import com.m2049r.xmrwallet.widget.ExchangeBtcTextView;
-import com.m2049r.xmrwallet.widget.NumberPadView;
+import com.m2049r.xmrwallet.widget.ExchangeEditText;
+import com.m2049r.xmrwallet.widget.ExchangeOtherEditText;
 import com.m2049r.xmrwallet.widget.SendProgressView;
 import com.m2049r.xmrwallet.xmrto.XmrToError;
 import com.m2049r.xmrwallet.xmrto.XmrToException;
@@ -62,8 +62,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
    }

    private TextView tvFunds;
-    private ExchangeBtcTextView evAmount;
-    private NumberPadView numberPad;
+    private ExchangeOtherEditText etAmount;

    private TextView tvXmrToParms;
    private SendProgressView evParams;
@@ -86,24 +85,20 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {

        tvXmrToParms = view.findViewById(R.id.tvXmrToParms);

-        evAmount = view.findViewById(R.id.evAmount);
-        numberPad = view.findViewById(R.id.numberPad);
-        numberPad.setListener(evAmount);
-
-        Helper.hideKeyboard(getActivity());
-
+        etAmount = view.findViewById(R.id.etAmount);
+        etAmount.requestFocus();
        return view;
    }


    @Override
    public boolean onValidateFields() {
-        if (!evAmount.validate(maxBtc, minBtc)) {
+        if (!etAmount.validate(maxBtc, minBtc)) {
            return false;
        }
        if (sendListener != null) {
            TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-            String btcString = evAmount.getAmount();
+            String btcString = etAmount.getNativeAmount();
            if (btcString != null) {
                try {
                    double btc = Double.parseDouble(btcString);
@@ -122,10 +117,12 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {

    private void setBip70Mode() {
        TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        if (txDataBtc.getBip70() != null) {
-            numberPad.setVisibility(View.INVISIBLE);
+        if (txDataBtc.getBip70() == null) {
+            etAmount.setEditable(true);
+            Helper.showKeyboard(getActivity());
        } else {
-            numberPad.setVisibility(View.VISIBLE);
+            etAmount.setEditable(false);
+            Helper.hideKeyboard(getActivity());
        }
    }

@@ -141,7 +138,6 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
    public void onResumeFragment() {
        super.onResumeFragment();
        Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
        final long funds = getTotalFunds();
        if (!sendListener.getActivityCallback().isStreetMode()) {
            tvFunds.setText(getString(R.string.send_available,
@@ -153,7 +149,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
        final BarcodeData data = sendListener.popBarcodeData();
        if (data != null) {
            if (data.amount != null) {
-                evAmount.setAmount(data.amount);
+                etAmount.setAmount(data.amount);
            }
        }
        setBip70Mode();
@@ -171,7 +167,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
        getView().post(new Runnable() {
            @Override
            public void run() {
-                evAmount.setRate(1.0d / orderParameters.getPrice());
+                etAmount.setExchangeRate(1.0d / orderParameters.getPrice());
                NumberFormat df = NumberFormat.getInstance(Locale.US);
                df.setMaximumFractionDigits(6);
                String min = df.format(orderParameters.getLowerLimit());
@@ -211,7 +207,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
    }

    private void processOrderParmsError(final Exception ex) {
-        evAmount.setRate(0);
+        etAmount.setExchangeRate(0);
        orderParameters = null;
        maxBtc = 0;
        minBtc = 0;
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java
@@ -27,11 +27,13 @@ import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;

+import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.data.TxDataBtc;
@@ -435,6 +437,11 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
                return false;
            }
        });
+
+        if (Helper.preventScreenshot()) {
+            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+        }
+
        passwordDialog.show();
    }

@@ -450,8 +457,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
        }
        showProgress(3, getString(R.string.label_send_progress_create_tx));
        TxData txData = sendListener.getTxData();
-        txData.setDestinationAddress(xmrtoStatus.getXmrReceivingAddress());
-        txData.setPaymentId(xmrtoStatus.getXmrRequiredPaymentIdShort());
+        txData.setDestinationAddress(xmrtoStatus.getXmrReceivingSubaddress());
        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getXmrAmountTotal()));
        getActivityCallback().onPrepareSend(xmrtoStatus.getUuid(), txData);
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java
@@ -27,10 +27,12 @@ import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.TextView;

+import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.PendingTransaction;
@@ -322,6 +324,11 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
                return false;
            }
        });
+
+        if (Helper.preventScreenshot()) {
+            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+        }
+
        passwordDialog.show();
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/layout/TransactionInfoAdapter.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/layout/TransactionInfoAdapter.java
@@ -30,6 +30,7 @@ import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.data.UserNotes;

+import java.math.BigDecimal;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
@@ -154,7 +155,7 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
            }

            if ((infoItem.fee > 0)) {
-                String fee = Helper.getDisplayAmount(infoItem.fee, 5);
+                String fee = Helper.getDisplayAmount(infoItem.fee, Helper.DISPLAY_DIGITS_INFO);
                tvFee.setText(context.getString(R.string.tx_list_fee, fee));
                tvFee.setVisibility(View.VISIBLE);
            } else {
--- a/app/src/main/java/com/m2049r/xmrwallet/ledger/Instruction.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/ledger/Instruction.java
@@ -134,6 +134,10 @@ public enum Instruction {
        return value;
    }

+    public byte getByteValue() {
+        return (byte) (value & 0xFF);
+    }
+
    private int value;

    Instruction(int value) {
--- a/app/src/main/java/com/m2049r/xmrwallet/ledger/Ledger.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/ledger/Ledger.java
@@ -27,23 +27,29 @@ import com.btchip.BTChipException;
 import com.btchip.comm.BTChipTransport;
 import com.btchip.comm.android.BTChipTransportAndroidHID;
 import com.m2049r.xmrwallet.BuildConfig;
+import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;

 import java.io.IOException;
+import java.nio.charset.StandardCharsets;

 import timber.log.Timber;

 public class Ledger {
+    static final public boolean ENABLED = true;
    // 5:20 is same as wallet2.cpp::restore()
    static public final int LOOKAHEAD_ACCOUNTS = 5;
    static public final int LOOKAHEAD_SUBADDRESSES = 20;
    static public final String SUBADDRESS_LOOKAHEAD = LOOKAHEAD_ACCOUNTS + ":" + LOOKAHEAD_SUBADDRESSES;

+    private static final byte PROTOCOL_VERSION = 0x02;
    public static final int SW_OK = 0x9000;
    public static final int SW_INS_NOT_SUPPORTED = 0x6D00;
    public static final int OK[] = {SW_OK};
+    public static final int MINIMUM_LEDGER_VERSION = (1 << 16) + (3 << 8) + (1); // 1.3.1

    public static UsbDevice findDevice(UsbManager usbManager) {
+        if (!ENABLED) return null;
        return BTChipTransportAndroidHID.getDevice(usbManager);
    }

@@ -87,6 +93,21 @@ public class Ledger {
        }
    }

+    static public boolean check() {
+        if (Instance == null) return false;
+        byte[] moneroVersion = WalletManager.moneroVersion().getBytes(StandardCharsets.US_ASCII);
+
+        try {
+            byte[] resp = Instance.exchangeApduNoOpt(Instruction.INS_RESET, moneroVersion, OK);
+            int deviceVersion = (resp[0] << 16) + (resp[1] << 8) + (resp[2]);
+            if (deviceVersion < MINIMUM_LEDGER_VERSION)
+                return false;
+        } catch (BTChipException ex) { // comm error - probably wrong app started on device
+            return false;
+        }
+        return true;
+    }
+
    final private BTChipTransport transport;
    final private String name;
    private int lastSW = 0;
@@ -110,7 +131,7 @@ public class Ledger {
    synchronized private byte[] exchangeRaw(byte[] apdu) {
        if (transport == null)
            throw new IllegalStateException("No transport (probably closed previously)");
-        Timber.i("exchangeRaw %02x", apdu[1]);
+        Timber.d("exchangeRaw %02x", apdu[1]);
        Instruction ins = Instruction.fromByte(apdu[1]);
        if (listener != null) listener.onInstructionSend(ins, apdu);
        sniffOut(ins, apdu);
@@ -118,7 +139,6 @@ public class Ledger {
        if (listener != null) listener.onInstructionReceive(ins, data);
        sniffIn(data);
        return data;
-
    }

    private byte[] exchange(byte[] apdu) throws BTChipException {
@@ -146,68 +166,19 @@ public class Ledger {
        throw new BTChipException("Invalid status", lastSW);
    }

-    private byte[] exchangeApdu(byte cla, byte ins, byte p1, byte p2, byte[] data, int acceptedSW[]) throws BTChipException {
-        byte[] apdu = new byte[data.length + 5];
-        apdu[0] = cla;
-        apdu[1] = ins;
-        apdu[2] = p1;
-        apdu[3] = p2;
-        apdu[4] = (byte) (data.length);
-        System.arraycopy(data, 0, apdu, 5, data.length);
+    private byte[] exchangeApduNoOpt(Instruction instruction, byte[] data, int acceptedSW[])
+            throws BTChipException {
+        byte[] apdu = new byte[data.length + 6];
+        apdu[0] = PROTOCOL_VERSION;
+        apdu[1] = instruction.getByteValue();
+        apdu[2] = 0; // p1
+        apdu[3] = 0; // p2
+        apdu[4] = (byte) (data.length + 1); // +1 because the opt byte is part of the data
+        apdu[5] = 0; // opt
+        System.arraycopy(data, 0, apdu, 6, data.length);
        return exchangeCheck(apdu, acceptedSW);
    }

-    private byte[] exchangeApdu(byte cla, byte ins, byte p1, byte p2, int length, int acceptedSW[]) throws BTChipException {
-        byte[] apdu = new byte[5];
-        apdu[0] = cla;
-        apdu[1] = ins;
-        apdu[2] = p1;
-        apdu[3] = p2;
-        apdu[4] = (byte) (length);
-        return exchangeCheck(apdu, acceptedSW);
-    }
-
-    private byte[] exchangeApduSplit(byte cla, byte ins, byte p1, byte p2, byte[] data, int acceptedSW[]) throws BTChipException {
-        int offset = 0;
-        byte[] result = null;
-        while (offset < data.length) {
-            int blockLength = ((data.length - offset) > 255 ? 255 : data.length - offset);
-            byte[] apdu = new byte[blockLength + 5];
-            apdu[0] = cla;
-            apdu[1] = ins;
-            apdu[2] = p1;
-            apdu[3] = p2;
-            apdu[4] = (byte) (blockLength);
-            System.arraycopy(data, offset, apdu, 5, blockLength);
-            result = exchangeCheck(apdu, acceptedSW);
-            offset += blockLength;
-        }
-        return result;
-    }
-
-    private byte[] exchangeApduSplit2(byte cla, byte ins, byte p1, byte p2, byte[] data, byte[] data2, int acceptedSW[]) throws BTChipException {
-        int offset = 0;
-        byte[] result = null;
-        int maxBlockSize = 255 - data2.length;
-        while (offset < data.length) {
-            int blockLength = ((data.length - offset) > maxBlockSize ? maxBlockSize : data.length - offset);
-            boolean lastBlock = ((offset + blockLength) == data.length);
-            byte[] apdu = new byte[blockLength + 5 + (lastBlock ? data2.length : 0)];
-            apdu[0] = cla;
-            apdu[1] = ins;
-            apdu[2] = p1;
-            apdu[3] = p2;
-            apdu[4] = (byte) (blockLength + (lastBlock ? data2.length : 0));
-            System.arraycopy(data, offset, apdu, 5, blockLength);
-            if (lastBlock) {
-                System.arraycopy(data2, 0, apdu, 5 + blockLength, data2.length);
-            }
-            result = exchangeCheck(apdu, acceptedSW);
-            offset += blockLength;
-        }
-        return result;
-    }
-
    public interface Listener {
        void onInstructionSend(Instruction ins, byte[] apdu);

@@ -249,7 +220,6 @@ public class Ledger {
        if (ins == Instruction.INS_GET_KEY) {
            snoopKey = (apdu[2] == 2);
        }
-
    }

    private void sniffIn(byte[] data) {
--- a/app/src/main/java/com/m2049r/xmrwallet/model/TransactionInfo.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/model/TransactionInfo.java
@@ -173,5 +173,4 @@ public class TransactionInfo implements Parcelable, Comparable<TransactionInfo>
            return this.hash.compareTo(another.hash);
        }
    }
-
-}
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/model/Wallet.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/model/Wallet.java
@@ -16,6 +16,9 @@

 package com.m2049r.xmrwallet.model;

+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
 import com.m2049r.xmrwallet.data.TxData;

 import java.io.File;
@@ -32,6 +35,47 @@ public class Wallet {
        System.loadLibrary("monerujo");
    }

+    static public class Status {
+        Status(int status, String errorString) {
+            this.status = StatusEnum.values()[status];
+            this.errorString = errorString;
+        }
+
+        final private StatusEnum status;
+        final private String errorString;
+        @Nullable
+        private ConnectionStatus connectionStatus; // optional
+
+        public StatusEnum getStatus() {
+            return status;
+        }
+
+        public String getErrorString() {
+            return errorString;
+        }
+
+        public void setConnectionStatus(@Nullable ConnectionStatus connectionStatus) {
+            this.connectionStatus = connectionStatus;
+        }
+
+        @Nullable
+        public ConnectionStatus getConnectionStatus() {
+            return connectionStatus;
+        }
+
+        public boolean isOk() {
+            return (getStatus() == StatusEnum.Status_Ok)
+                    && ((getConnectionStatus() == null) ||
+                    (getConnectionStatus() == ConnectionStatus.ConnectionStatus_Connected));
+        }
+
+        @Override
+        @NonNull
+        public String toString() {
+            return "Wallet.Status: (" + status + "/" + errorString + ", " + connectionStatus;
+        }
+    }
+
    private int accountIndex = 0;

    public int getAccountIndex() {
@@ -66,7 +110,7 @@ public class Wallet {
        Device_Ledger
    }

-    public enum Status {
+    public enum StatusEnum {
        Status_Ok,
        Status_Error,
        Status_Critical
@@ -85,12 +129,16 @@ public class Wallet {
    public native void setSeedLanguage(String language);

    public Status getStatus() {
-        return Wallet.Status.values()[getStatusJ()];
+        return statusWithErrorString();
    }

-    private native int getStatusJ();
+    public Status getFullStatus() {
+        Wallet.Status walletStatus = statusWithErrorString();
+        walletStatus.setConnectionStatus(getConnectionStatus());
+        return walletStatus;
+    }

-    public native String getErrorString();
+    private native Status statusWithErrorString();

    public native boolean setPassword(String password);

@@ -353,9 +401,10 @@ public class Wallet {
        if (label.equals(NEW_ACCOUNT_NAME)) {
            String address = getAddress(accountIndex);
            int len = address.length();
-            return address.substring(0, 6) +
+            label = address.substring(0, 6) +
                    "\u2026" + address.substring(len - 6, len);
-        } else return label;
+        }
+        return label;
    }

    public String getSubaddressLabel(int addressIndex) {
--- a/app/src/main/java/com/m2049r/xmrwallet/model/WalletManager.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/model/WalletManager.java
@@ -91,14 +91,16 @@ public class WalletManager {
        managedWallet = null;
    }

-    public Wallet createWallet(File aFile, String password, String language) {
+    public Wallet createWallet(File aFile, String password, String language, long height) {
        long walletHandle = createWalletJ(aFile.getAbsolutePath(), password, language, getNetworkType().getValue());
        Wallet wallet = new Wallet(walletHandle);
        manageWallet(wallet);
-        if (wallet.getStatus() == Wallet.Status.Status_Ok) {
+        if (wallet.getStatus().isOk()) {
            // (Re-)Estimate restore height based on what we know
-            long oldHeight = wallet.getRestoreHeight();
-            wallet.setRestoreHeight(RestoreHeight.getInstance().getHeight(new Date()));
+            final long oldHeight = wallet.getRestoreHeight();
+            final long restoreHeight =
+                    (height > -1) ? height : RestoreHeight.getInstance().getHeight(new Date());
+            wallet.setRestoreHeight(restoreHeight);
            Timber.d("Changed Restore Height from %d to %d", oldHeight, wallet.getRestoreHeight());
            wallet.setPassword(password); // this rewrites the keys file (which contains the restore height)
        }
@@ -285,7 +287,8 @@ public class WalletManager {
            this.daemonAddress = null;
            this.daemonUsername = "";
            this.daemonPassword = "";
-            setDaemonAddressJ("");
+            //setDaemonAddressJ(""); // don't disconnect as monero code blocks for many seconds!
+            //TODO: need to do something about that later
        }
    }

@@ -351,4 +354,6 @@ public class WalletManager {
    static public native void logWarning(String category, String message);

    static public native void logError(String category, String message);
+
+    static public native String moneroVersion();
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java
@@ -31,6 +31,7 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
+import android.support.annotation.Nullable;
 import android.support.annotation.RequiresApi;
 import android.support.v4.app.NotificationCompat;

@@ -69,10 +70,6 @@ public class WalletService extends Service {
    public static final String REQUEST_CMD_SEND = "send";
    public static final String REQUEST_CMD_SEND_NOTES = "notes";

-    public static final String REQUEST_CMD_SETNOTE = "setnote";
-    public static final String REQUEST_CMD_SETNOTE_TX = "tx";
-    public static final String REQUEST_CMD_SETNOTE_NOTES = "notes";
-
    public static final int START_SERVICE = 1;
    public static final int STOP_SERVICE = 2;

@@ -224,9 +221,7 @@ public class WalletService extends Service {

        void onSendTransactionFailed(String error);

-        void onSetNotes(boolean success);
-
-        void onWalletStarted(Wallet.ConnectionStatus walletStatus);
+        void onWalletStarted(Wallet.Status walletStatus);

        void onWalletOpen(Wallet.Device device);
    }
@@ -293,9 +288,9 @@ public class WalletService extends Service {
                        if (walletId != null) {
                            showProgress(getString(R.string.status_wallet_loading));
                            showProgress(10);
-                            Wallet.ConnectionStatus connStatus = start(walletId, walletPw);
-                            if (observer != null) observer.onWalletStarted(connStatus);
-                            if (connStatus != Wallet.ConnectionStatus.ConnectionStatus_Connected) {
+                            Wallet.Status walletStatus = start(walletId, walletPw);
+                            if (observer != null) observer.onWalletStarted(walletStatus);
+                            if ((walletStatus == null) || !walletStatus.isOk()) {
                                errorState = true;
                                stop();
                            }
@@ -306,7 +301,7 @@ public class WalletService extends Service {
                        boolean rc = myWallet.store();
                        Timber.d("wallet stored: %s with rc=%b", myWallet.getName(), rc);
                        if (!rc) {
-                            Timber.w("Wallet store failed: %s", myWallet.getErrorString());
+                            Timber.w("Wallet store failed: %s", myWallet.getStatus().getErrorString());
                        }
                        if (observer != null) observer.onWalletStored(rc);
                    } else if (cmd.equals(REQUEST_CMD_TX)) {
@@ -368,7 +363,7 @@ public class WalletService extends Service {
                            boolean rc = myWallet.store();
                            Timber.d("wallet stored: %s with rc=%b", myWallet.getName(), rc);
                            if (!rc) {
-                                Timber.w("Wallet store failed: %s", myWallet.getErrorString());
+                                Timber.w("Wallet store failed: %s", myWallet.getStatus().getErrorString());
                            }
                            if (observer != null) observer.onWalletStored(rc);
                            listener.updated = true;
@@ -378,26 +373,6 @@ public class WalletService extends Service {
                            if (observer != null) observer.onSendTransactionFailed(error);
                            return;
                        }
-                    } else if (cmd.equals(REQUEST_CMD_SETNOTE)) {
-                        Wallet myWallet = getWallet();
-                        Timber.d("SET NOTE for wallet: %s", myWallet.getName());
-                        String txId = extras.getString(REQUEST_CMD_SETNOTE_TX);
-                        String notes = extras.getString(REQUEST_CMD_SETNOTE_NOTES);
-                        if ((txId != null) && (notes != null)) {
-                            boolean success = myWallet.setUserNote(txId, notes);
-                            if (!success) {
-                                Timber.e(myWallet.getErrorString());
-                            }
-                            if (observer != null) observer.onSetNotes(success);
-                            if (success) {
-                                boolean rc = myWallet.store();
-                                Timber.d("wallet stored: %s with rc=%b", myWallet.getName(), rc);
-                                if (!rc) {
-                                    Timber.w("Wallet store failed: %s", myWallet.getErrorString());
-                                }
-                                if (observer != null) observer.onWalletStored(rc);
-                            }
-                        }
                    }
                }
                break;
@@ -490,7 +465,8 @@ public class WalletService extends Service {
        return true; // true is important so that onUnbind is also called next time
    }

-    private Wallet.ConnectionStatus start(String walletName, String walletPassword) {
+    @Nullable
+    private Wallet.Status start(String walletName, String walletPassword) {
        Timber.d("start()");
        startNotfication();
        showProgress(getString(R.string.status_wallet_loading));
@@ -498,11 +474,11 @@ public class WalletService extends Service {
        if (listener == null) {
            Timber.d("start() loadWallet");
            Wallet aWallet = loadWallet(walletName, walletPassword);
-            Wallet.ConnectionStatus connStatus = Wallet.ConnectionStatus.ConnectionStatus_Disconnected;
-            if (aWallet != null) connStatus = aWallet.getConnectionStatus();
-            if (connStatus != Wallet.ConnectionStatus.ConnectionStatus_Connected) {
-                if (aWallet != null) aWallet.close();
-                return connStatus;
+            if (aWallet == null) return null;
+            Wallet.Status walletStatus = aWallet.getFullStatus();
+            if (!walletStatus.isOk()) {
+                aWallet.close();
+                return walletStatus;
            }
            listener = new MyWalletListener();
            listener.start();
@@ -513,7 +489,7 @@ public class WalletService extends Service {
        // if we try to refresh the history here we get occasional segfaults!
        // doesnt matter since we update as soon as we get a new block anyway
        Timber.d("start() done");
-        return Wallet.ConnectionStatus.ConnectionStatus_Connected;
+        return getWallet().getFullStatus();
    }

    public void stop() {
@@ -558,10 +534,9 @@ public class WalletService extends Service {
            wallet = walletMgr.openWallet(path, walletPassword);
            showProgress(60);
            Timber.d("wallet opened");
-            Wallet.Status status = wallet.getStatus();
-            Timber.d("wallet status is %s", status);
-            if (status != Wallet.Status.Status_Ok) {
-                Timber.d("wallet status is %s", status);
+            Wallet.Status walletStatus = wallet.getStatus();
+            if (!walletStatus.isOk()) {
+                Timber.d("wallet status is %s", walletStatus);
                WalletManager.getInstance().close(wallet); // TODO close() failed?
                wallet = null;
                // TODO what do we do with the progress??
--- a/app/src/main/java/com/m2049r/xmrwallet/service/exchange/ecb/ExchangeApiImpl.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/service/exchange/ecb/ExchangeApiImpl.java
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 2019 m2049r@monerujo.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// https://developer.android.com/training/basics/network-ops/xml
+
+package com.m2049r.xmrwallet.service.exchange.ecb;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.VisibleForTesting;
+
+import com.m2049r.xmrwallet.service.exchange.api.ExchangeApi;
+import com.m2049r.xmrwallet.service.exchange.api.ExchangeCallback;
+import com.m2049r.xmrwallet.service.exchange.api.ExchangeException;
+import com.m2049r.xmrwallet.service.exchange.api.ExchangeRate;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.TimeZone;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import okhttp3.Call;
+import okhttp3.HttpUrl;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import timber.log.Timber;
+
+public class ExchangeApiImpl implements ExchangeApi {
+    @NonNull
+    private final OkHttpClient okHttpClient;
+    @NonNull
+    private final HttpUrl baseUrl;
+
+    //so we can inject the mockserver url
+    @VisibleForTesting
+    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient, @NonNull final HttpUrl baseUrl) {
+        this.okHttpClient = okHttpClient;
+        this.baseUrl = baseUrl;
+    }
+
+    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient) {
+        this(okHttpClient, HttpUrl.parse("https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml"));
+        // data is daily and is refreshed around 16:00 CET every working day
+    }
+
+    public static boolean isSameDay(Calendar calendar, Calendar anotherCalendar) {
+        return (calendar.get(Calendar.YEAR) == anotherCalendar.get(Calendar.YEAR)) &&
+                (calendar.get(Calendar.DAY_OF_YEAR) == anotherCalendar.get(Calendar.DAY_OF_YEAR));
+    }
+
+    @Override
+    public void queryExchangeRate(@NonNull final String baseCurrency, @NonNull final String quoteCurrency,
+                                  @NonNull final ExchangeCallback callback) {
+        if (!baseCurrency.equals("EUR")) {
+            callback.onError(new IllegalArgumentException("Only EUR supported as base"));
+            return;
+        }
+
+        if (baseCurrency.equals(quoteCurrency)) {
+            callback.onSuccess(new ExchangeRateImpl(quoteCurrency, 1.0, new Date()));
+            return;
+        }
+
+        if (fetchDate != null) { // we have data
+            boolean useCache = false;
+            // figure out if we can use the cached values
+            // data is daily and is refreshed around 16:00 CET every working day
+            Calendar now = Calendar.getInstance(TimeZone.getTimeZone("CET"));
+
+            int fetchWeekday = fetchDate.get(Calendar.DAY_OF_WEEK);
+            int fetchDay = fetchDate.get(Calendar.DAY_OF_YEAR);
+            int fetchHour = fetchDate.get(Calendar.HOUR_OF_DAY);
+
+            int today = now.get(Calendar.DAY_OF_YEAR);
+            int nowHour = now.get(Calendar.HOUR_OF_DAY);
+
+            if (
+                // was it fetched today before 16:00? assume no new data iff now < 16:00 as well
+                    ((today == fetchDay) && (fetchHour < 16) && (nowHour < 16))
+                            // was it fetched after, 17:00? we can assume there is no newer data
+                            || ((today == fetchDay) && (fetchHour > 17))
+                            || ((today == fetchDay + 1) && (fetchHour > 17) && (nowHour < 16))
+                            // is the data itself from today? there can be no newer data
+                            || (fxDate.get(Calendar.DAY_OF_YEAR) == today)
+                            // was it fetched Sat/Sun? we can assume there is no newer data
+                            || ((fetchWeekday == Calendar.SATURDAY) || (fetchWeekday == Calendar.SUNDAY))
+            ) { // return cached rate
+                try {
+                    callback.onSuccess(getRate(quoteCurrency));
+                } catch (ExchangeException ex) {
+                    callback.onError(ex);
+                }
+                return;
+            }
+        }
+
+        final Request httpRequest = createHttpRequest(baseUrl);
+
+        okHttpClient.newCall(httpRequest).enqueue(new okhttp3.Callback() {
+            @Override
+            public void onFailure(final Call call, final IOException ex) {
+                callback.onError(ex);
+            }
+
+            @Override
+            public void onResponse(final Call call, final Response response) throws IOException {
+                if (response.isSuccessful()) {
+                    try {
+                        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+                        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+                        Document doc = dBuilder.parse(response.body().byteStream());
+                        doc.getDocumentElement().normalize();
+                        parse(doc);
+                        try {
+                            callback.onSuccess(getRate(quoteCurrency));
+                        } catch (ExchangeException ex) {
+                            callback.onError(ex);
+                        }
+                    } catch (ParserConfigurationException | SAXException ex) {
+                        Timber.w(ex);
+                        callback.onError(new ExchangeException(ex.getLocalizedMessage()));
+                    }
+                } else {
+                    callback.onError(new ExchangeException(response.code(), response.message()));
+                }
+            }
+        });
+    }
+
+    private Request createHttpRequest(final HttpUrl url) {
+        return new Request.Builder()
+                .url(url)
+                .get()
+                .build();
+    }
+
+    final private Map<String, Double> fxEntries = new HashMap<>();
+    private Calendar fxDate = null;
+    private Calendar fetchDate = null;
+
+    synchronized private ExchangeRate getRate(String currency) throws ExchangeException {
+        Timber.e("Getting %s", currency);
+        final Double rate = fxEntries.get(currency);
+        if (rate == null) throw new ExchangeException(404, "Currency not supported: " + currency);
+        return new ExchangeRateImpl(currency, rate, fxDate.getTime());
+    }
+
+    private final static SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
+
+    {
+        DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+    }
+
+    private void parse(final Document xmlRootDoc) {
+        final Map<String, Double> entries = new HashMap<>();
+        Calendar date = Calendar.getInstance(TimeZone.getTimeZone("CET"));
+        try {
+            NodeList cubes = xmlRootDoc.getElementsByTagName("Cube");
+            for (int i = 0; i < cubes.getLength(); i++) {
+                Node node = cubes.item(i);
+                if (node.getNodeType() == Node.ELEMENT_NODE) {
+                    Element cube = (Element) node;
+                    if (cube.hasAttribute("time")) { // a time Cube
+                        final Date time = DATE_FORMAT.parse(cube.getAttribute("time"));
+                        date.setTime(time);
+                    } else if (cube.hasAttribute("currency")
+                            && cube.hasAttribute("rate")) { // a rate Cube
+                        String currency = cube.getAttribute("currency");
+                        double rate = Double.valueOf(cube.getAttribute("rate"));
+                        entries.put(currency, rate);
+                    } // else an empty Cube - ignore
+                }
+            }
+        } catch (ParseException ex) {
+            Timber.d(ex);
+        }
+        synchronized (this) {
+            if (date != null) {
+                fetchDate = Calendar.getInstance(TimeZone.getTimeZone("CET"));
+                fxDate = date;
+                fxEntries.clear();
+                fxEntries.putAll(entries);
+            }
+            // else don't change what we have
+        }
+    }
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
m2049r	c14486306e	v1.12.8	2019-11-20 07:34:25 +01:00
m2049r	c2ef25c377	change error message to 16 for payment ids (#643 )	2019-11-20 07:33:29 +01:00
m2049r	b7164ef200	fix XMR missing in open wallet (#642 )	2019-11-20 07:33:07 +01:00
m2049r	f94a366d51	v1.12.7	2019-11-19 22:57:43 +01:00
m2049r	286a04b5ef	add XMR to receive spinners (again) (#640 )	2019-11-19 22:56:28 +01:00
m2049r	1209295a8c	v1.12.6	2019-11-18 12:01:49 +01:00
m2049r	037b019d4d	xmrto payment through subaddress (#639 ) * use subaddress for xmrto only * fix exchange rate	2019-11-18 12:00:39 +01:00
m2049r	7a1d788f2a	UI tweaks (#638 ) * fix amount entry field * password entry on own line * remove errors when typing; field spacing	2019-11-17 10:31:19 +01:00
m2049r	87d9a8cd95	use kraken for EURXMR exchange rate (#637 ) combine with ECB rates for other fiat conversions	2019-11-17 00:42:57 +01:00
m2049r	f637d7f617	update block heights (#636 )	2019-11-10 23:54:40 +01:00
m2049r	a4b9a7c6fb	fix spend amount & new version (#635 )	2019-11-10 15:23:33 +01:00
m2049r	9f01155cb7	v1.12.1	2019-11-10 12:14:52 +01:00
m2049r	08e8a48138	scan only for 0.15 nodes (#634 )	2019-11-10 12:13:06 +01:00
m2049r	551c3b9fb6	scan only for 0.15 nodes (#633 )	2019-11-10 12:11:01 +01:00
m2049r	2258cb7096	v1.12.0 (#632 )	2019-11-10 11:08:19 +01:00
m2049r	6d61841cf3	textfields are filled (#631 )	2019-11-10 11:06:34 +01:00
m2049r	c65508d288	upgrade to monero v0.15 (#630 )	2019-11-09 22:45:54 +01:00
m2049r	2c3f582672	paste bip70 (#621 )	2019-09-22 10:09:18 +02:00
m2049r	f46ba75771	update gradle version (#614 )	2019-08-16 19:07:12 +02:00
m2049r	0ce5f2b6ca	create ExchangeEditText & use without numpad (#613 )	2019-08-04 13:19:42 +02:00
m2049r	110057c294	bump version to 1.11.13	2019-07-14 13:18:27 +02:00
m2049r	7553d3c5f4	Merge pull request #611 from m2049r/fix_heightfix reduce restore height some more for new wallets	2019-07-14 12:53:24 +02:00
m2049r	317976b34a	decrease restore height on new wallet	2019-07-14 12:52:43 +02:00
m2049r	6ad423567f	Merge pull request #610 from m2049r/feature_showheight show restore height	2019-07-14 12:52:21 +02:00
m2049r	d497158856	show restore height	2019-07-14 12:35:00 +02:00
m2049r	f4cada5fa1	Merge pull request #608 from m2049r/feature_nanox Support for Nano X	2019-07-13 18:56:23 +02:00
m2049r	352f0ad09c	update height for 2019-07-01 (#609 )	2019-07-13 18:55:35 +02:00
m2049r	ff1a9c1570	verify monero app is running on nano	2019-07-13 18:44:56 +02:00
m2049r	fa811a39a2	accept Nano X over USB	2019-07-13 13:00:24 +02:00
m2049r	cf5018be33	kick 'Hintergrunddienst' (#607 )	2019-06-23 21:26:29 +02:00
m2049r	8ec027f9d4	bump version	2019-06-21 08:47:22 +02:00
m2049r	f28428e677	update june restore height (#606 )	2019-06-21 08:45:09 +02:00
m2049r	294084bec5	double size of node bookmark icon (#605 )	2019-06-21 08:17:08 +02:00
m2049r	4349907627	setNode blocks => call it async (#604 )	2019-06-18 08:49:51 +02:00
m2049r	f7cef24a83	fix NPE (#603 )	2019-06-18 08:48:28 +02:00
m2049r	2774f99b15	bump version v1.11.10	2019-06-16 23:39:24 +02:00
m2049r	bc630fc445	Refactor secureflag (#600 ) * one place to decide if screenshots enabled * allow screenshots on alpha or debug	2019-06-16 23:28:52 +02:00
m2049r	895cf16d33	don't setDaemon when null (#601 )	2019-06-16 23:28:34 +02:00
m2049r	7f1796b12e	bump version v1.11.9	2019-06-16 21:49:11 +02:00
erciccione	abe5c8afab	readme: update contact info of the localization workgroup (#593 )	2019-06-16 21:48:32 +02:00
WiserB	47f79b5269	Serbian translation of strings.xml (sr - made by WiserB) (#595 ) helps.xml and about.xml included but not translated	2019-06-16 21:33:52 +02:00
erciccione	c9c07eaa15	Catalan translation (by ambystomamex) (#596 )	2019-06-16 21:28:42 +02:00
m2049r	a490e3af0c	better status & error message handling (#599 )	2019-06-16 21:22:56 +02:00
m2049r	64d5b3bdea	tweaks for monero v0.14.1.0 (#598 )	2019-06-16 21:13:01 +02:00
m2049r	bf91eaf22f	deal with not finding any text on clipboard (#594 )	2019-05-24 23:44:54 +02:00
m2049r	2c3e73b540	bump version v1.11.7	2019-05-22 08:30:11 +02:00
m2049r	830d9dadb9	paste receiver address (#592 )	2019-05-20 17:17:46 +02:00
m2049r	331d88ebba	use daemon height for new wallets if available (#591 )	2019-05-20 17:17:27 +02:00
m2049r	7cc2f6fafb	bump version v1.11.6	2019-05-19 21:34:26 +02:00
m2049r	9a3ee0eda8	fix update of account balances (#590 )	2019-05-19 20:27:35 +02:00
m2049r	6e898939a3	show account balances (#589 ) and refactor displayAmount	2019-05-19 17:33:19 +02:00
m2049r	40ae39d647	update studio	2019-05-19 10:28:18 +02:00
jindouyunz	ca81e652e5	Update strings.xml_Chinese (#575 ) * Update strings.xml updated on 4/22/2019 version 2, Jindouyunz. * Update string.xml_Chinese 2019-5-12 Hi, I made several pieces of modification based on lafudoci's review, thanks. * Update string.xml-zh-rCN 2019-5-13 removed all lines with "translatable=false", and currency array	2019-05-18 08:40:31 +02:00
jindouyunz	796048be4e	Update about.xml (#574 ) updated on 4/21/2019, Jindouyunz.	2019-05-18 08:39:49 +02:00
jindouyunz	441bf995c8	Update help.xml_Chinese (#573 ) * Update help.xml updated on 4/21/2019, version 2, Jindouyunz * Update help.xml 2019-5-11 Hi, I add changes on line 200, based on lafudoci's review, thanks.	2019-05-18 08:39:28 +02:00
m2049r	e8860ab8eb	focus on password if no fingerprint (#587 )	2019-05-12 00:17:21 +02:00
m2049r	525b38ff53	remove save button for notes (#586 )	2019-05-12 00:17:07 +02:00
m2049r	ba79bf87aa	Update rpc checks (#585 ) * check rpc version * update protocol version check	2019-05-11 21:15:35 +02:00
m2049r	3fe6571e7d	update restore heights for 4 & 5.2019 (#583 )	2019-05-11 11:41:16 +02:00
erciccione	364e6a8137	update values-it/strings.xml (Italian translation) (#580 )	2019-05-11 11:40:20 +02:00
vp11	cb69ce99d6	update pt-BR translation (#581 ) * update pt-BR translation * missing block	2019-05-11 11:40:01 +02:00
m2049r	1f976872fc	increase sanity check size limit (#576 )	2019-04-23 20:52:43 +02:00
kic0	27f266b6f7	PT-PT translations updated (#569 )	2019-04-20 11:03:57 +02:00
m2049r	168928d54a	Update studio (#572 ) * gradle 5.1 * remove ref to @id/ibBookmark	2019-04-19 15:51:25 +02:00
Leza89	b3f61072aa	V1.11.4 - german translations (#556 ) * Corrections on the translation without translating * Added missing commas, hyphens * replaced diverging terminology with Monero GUI (i.e. Remote Node → Drittanbieter-Node, Saldo → Guthaben, Daemon/Dienst → Hintergrunddienst) * grammatical adjustments * unifying the gender of certain words (i.e. "die" Wallet) * Translations - Draft for peer review * Corrections according to rodolfo912's review en-dash as a symbol vs. unicode ;#8211; is yet to be resolved * Reverting case of "Wallet" from "die" to "das" As requested by m2049r the article of "Wallet" was reverted back from "die Wallet" to "das Wallet" and corrected in places where it was inconsistent before.	2019-04-19 14:57:49 +02:00
Jack Rogers Lewis	ccb64aded0	SK update help.xml (#568 )	2019-04-19 14:49:25 +02:00
Jack Rogers Lewis	e98fa089f2	update new strings (#567 ) podadresa = subadresa	2019-04-19 14:48:47 +02:00
Scott Anecito	884878b7a7	Update Japanese localization, fix English typo (#564 )	2019-04-19 14:43:56 +02:00
v1docq47	4e23f0ef3a	Update for Russian translation #444 (#558 ) * Update for Russian translation #444 * fix added translation of missing lines (help.xml / strings.xml)	2019-03-19 20:12:37 +01:00
0140454	6ea4e3d998	Update zh-rTW translation (#557 ) * Update zh-rTW translation * Update translation for "Using a payment link"	2019-03-19 20:12:16 +01:00
m2049r	971c90f35b	Merge pull request #559 from m2049r/feature_enable_ledger Feature enable ledger	2019-03-19 20:06:17 +01:00
m2049r	f0523c403c	bump version	2019-03-19 19:34:04 +01:00
m2049r	966ed23b87	enable ledger again	2019-03-19 19:32:38 +01:00
m2049r	95f2ca74a6	clean code (#555 )	2019-03-10 22:00:57 +01:00
m2049r	81d94478f2	update wallet api (#554 )	2019-03-10 21:49:57 +01:00
el00ruobuob	16ff779ebc	New strings & help update to FR (#552 )	2019-03-09 21:58:10 +01:00
m2049r	6b7bb164f4	v1.11.3 (#550 )	2019-03-09 00:07:37 +01:00
m2049r	da1d4ea1bf	convert ledger seed dialog (#549 )	2019-03-09 00:02:58 +01:00
m2049r	d5a967f690	upgrade gradle version (#548 )	2019-03-06 16:46:52 +01:00
m2049r	de8de02f9f	disable ledger support (#547 )	2019-03-05 23:35:11 +01:00
m2049r	06456e33e4	v1.11.1 (#546 ) for use with `b087cbf995`	2019-03-05 21:59:19 +01:00