allow seed offset generation & wallet restore (#804)

* Update help.xml

* Update strings.xml

app/CMakeLists.txt

@@ -171,6 +171,10 @@ add_library(wallet-crypto STATIC IMPORTED)
 set_target_properties(wallet-crypto PROPERTIES IMPORTED_LOCATION
         ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libwallet-crypto.a)
 
+add_library(cryptonote_format_utils_basic STATIC IMPORTED)
+set_target_properties(cryptonote_format_utils_basic PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcryptonote_format_utils_basic.a)
+
 #############
 # System
 #############
@@ -193,6 +197,7 @@ target_link_libraries(  monerujo
                         wallet
                         cryptonote_core
                         cryptonote_basic
+                        cryptonote_format_utils_basic
                         mnemonics
                         ringct
                         ringct_basic

app/build.gradle

@@ -2,14 +2,14 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 30
-    buildToolsVersion '29.0.3'
+    buildToolsVersion '30.0.3'
     ndkVersion '17.2.4988734'
     defaultConfig {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 1005
-        versionName "2.0.5 'Puginarug'"
+        versionCode 1301
+        versionName "2.3.1 'Doménikos'"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -113,27 +113,30 @@ android {
     }
 }
 
-def getId(name) {
-    def Properties props = new Properties()
+static def getId(name) {
+    Properties props = new Properties()
     props.load(new FileInputStream(new File('monerujo.id')))
     return props[name]
 }
 
 dependencies {
-    implementation 'androidx.core:core:1.3.2'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.core:core:1.6.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
 
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation "com.squareup.okhttp3:okhttp:4.9.0"
     implementation "io.github.rburgst:okhttp-digest:2.5"
     implementation "com.jakewharton.timber:timber:4.7.1"
 
+    implementation 'info.guardianproject.netcipher:netcipher:2.1.0'
+    //implementation 'info.guardianproject.netcipher:netcipher-okhttp3:2.1.0'
+    implementation fileTree(dir: 'libs/classes', include: ['*.jar'])
     implementation 'com.nulab-inc:zxcvbn:1.3.0'
 
     implementation 'dnsjava:dnsjava:2.1.9'
@@ -141,8 +144,7 @@ dependencies {
     implementation 'org.slf4j:slf4j-nop:1.7.30'
     implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'
 
-    implementation 'com.github.aelstad:keccakj:1.1.0'
-
+    //noinspection GradleDependency
     testImplementation "junit:junit:$rootProject.ext.junitVersion"
     testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
     testImplementation "com.squareup.okhttp3:mockwebserver:4.9.0"
@@ -152,3 +154,4 @@ dependencies {
     compileOnly 'org.projectlombok:lombok:1.18.16'
     annotationProcessor 'org.projectlombok:lombok:1.18.16'
 }
+

app/src/main/AndroidManifest.xml

@@ -4,18 +4,37 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
     <uses-permission android:name="android.permission.NFC" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
+    <queries>
+        <intent>
+            <action android:name="org.torproject.android.intent.action.START" />
+        </intent>
+        <intent>
+            <action android:name="org.torproject.android.intent.action.STATUS" />
+        </intent>
+
+        <intent>
+            <action android:name="org.torproject.android.REQUEST_HS_PORT" />
+        </intent>
+        <intent>
+            <action android:name="org.torproject.android.REQUEST_V3_ONION_SERVICE" />
+        </intent>
+
+        <package android:name="org.torproject.android" />
+    </queries>
+
     <application
-        android:preserveLegacyExternalStorage="true"
         android:name=".XmrWalletApplication"
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:preserveLegacyExternalStorage="true"
         android:supportsRtl="true"
         android:theme="@style/MyMaterialTheme"
         android:usesCleartextTraffic="true">
@@ -34,7 +53,7 @@
             android:configChanges="orientation|keyboardHidden|uiMode"
             android:label="@string/wallet_activity_name"
             android:launchMode="singleTask"
-            android:screenOrientation="behind"/>
+            android:screenOrientation="behind" />
         <activity
             android:name=".LoginActivity"
             android:configChanges="orientation|keyboardHidden|uiMode"

app/src/main/cpp/monerujo.cpp

@@ -229,7 +229,7 @@ std::vector<std::string> java2cpp(JNIEnv *env, jobject arrayList) {
     return result;
 }
 
-jobject cpp2java(JNIEnv *env, const std::vector<std::string>& vector) {
+jobject cpp2java(JNIEnv *env, const std::vector<std::string> &vector) {
 
     jmethodID java_util_ArrayList_ = env->GetMethodID(class_ArrayList, "<init>", "(I)V");
     jmethodID java_util_ArrayList_add = env->GetMethodID(class_ArrayList, "add",
@@ -301,12 +301,13 @@ Java_com_m2049r_xmrwallet_model_WalletManager_openWalletJ(JNIEnv *env, jobject i
 JNIEXPORT jlong JNICALL
 Java_com_m2049r_xmrwallet_model_WalletManager_recoveryWalletJ(JNIEnv *env, jobject instance,
                                                               jstring path, jstring password,
-                                                              jstring mnemonic,
+                                                              jstring mnemonic, jstring offset,
                                                               jint networkType,
                                                               jlong restoreHeight) {
     const char *_path = env->GetStringUTFChars(path, nullptr);
     const char *_password = env->GetStringUTFChars(password, nullptr);
     const char *_mnemonic = env->GetStringUTFChars(mnemonic, nullptr);
+    const char *_offset = env->GetStringUTFChars(offset, nullptr);
     Monero::NetworkType _networkType = static_cast<Monero::NetworkType>(networkType);
 
     Bitmonero::Wallet *wallet =
@@ -315,11 +316,14 @@ Java_com_m2049r_xmrwallet_model_WalletManager_recoveryWalletJ(JNIEnv *env, jobje
                     std::string(_password),
                     std::string(_mnemonic),
                     _networkType,
-                    (uint64_t) restoreHeight);
+                    (uint64_t) restoreHeight,
+                    1, // kdf_rounds
+                    std::string(_offset));
 
     env->ReleaseStringUTFChars(path, _path);
     env->ReleaseStringUTFChars(password, _password);
     env->ReleaseStringUTFChars(mnemonic, _mnemonic);
+    env->ReleaseStringUTFChars(offset, _offset);
     return reinterpret_cast<jlong>(wallet);
 }
 
@@ -531,6 +535,17 @@ Java_com_m2049r_xmrwallet_model_WalletManager_resolveOpenAlias(JNIEnv *env, jobj
     return env->NewStringUTF(resolvedAlias.c_str());
 }
 
+JNIEXPORT jboolean JNICALL
+Java_com_m2049r_xmrwallet_model_WalletManager_setProxy(JNIEnv *env, jobject instance,
+                                                       jstring address) {
+    const char *_address = env->GetStringUTFChars(address, nullptr);
+    bool rc =
+            Bitmonero::WalletManagerFactory::getWalletManager()->setProxy(std::string(_address));
+    env->ReleaseStringUTFChars(address, _address);
+    return rc;
+}
+
+
 //TODO static std::tuple<bool, std::string, std::string, std::string, std::string> checkUpdates(const std::string &software, const std::string &subdir);
 
 JNIEXPORT jboolean JNICALL
@@ -559,9 +574,12 @@ Java_com_m2049r_xmrwallet_model_WalletManager_closeJ(JNIEnv *env, jobject instan
 /**********************************/
 
 JNIEXPORT jstring JNICALL
-Java_com_m2049r_xmrwallet_model_Wallet_getSeed(JNIEnv *env, jobject instance) {
+Java_com_m2049r_xmrwallet_model_Wallet_getSeed(JNIEnv *env, jobject instance, jstring seedOffset) {
+    const char *_seedOffset = env->GetStringUTFChars(seedOffset, nullptr);
     Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
-    return env->NewStringUTF(wallet->seed().c_str());
+    jstring seed = env->NewStringUTF(wallet->seed(std::string(_seedOffset)).c_str());
+    env->ReleaseStringUTFChars(seedOffset, _seedOffset);
+    return seed;
 }
 
 JNIEXPORT jstring JNICALL
@@ -727,6 +745,16 @@ Java_com_m2049r_xmrwallet_model_Wallet_getConnectionStatusJ(JNIEnv *env, jobject
 //TODO virtual void setTrustedDaemon(bool arg) = 0;
 //TODO virtual bool trustedDaemon() const = 0;
 
+JNIEXPORT jboolean JNICALL
+Java_com_m2049r_xmrwallet_model_Wallet_setProxy(JNIEnv *env, jobject instance,
+                                                jstring address) {
+    const char *_address = env->GetStringUTFChars(address, nullptr);
+    Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
+    bool rc = wallet->setProxy(std::string(_address));
+    env->ReleaseStringUTFChars(address, _address);
+    return rc;
+}
+
 JNIEXPORT jlong JNICALL
 Java_com_m2049r_xmrwallet_model_Wallet_getBalance(JNIEnv *env, jobject instance,
                                                   jint accountIndex) {
@@ -914,7 +942,7 @@ Java_com_m2049r_xmrwallet_model_Wallet_refreshAsync(JNIEnv *env, jobject instanc
 
 //virtual void rescanBlockchainAsync() = 0;
 JNIEXPORT void JNICALL
-Java_com_m2049r_xmrwallet_model_Wallet_rescanBlockchainAsync(JNIEnv *env, jobject instance) {
+Java_com_m2049r_xmrwallet_model_Wallet_rescanBlockchainAsyncJ(JNIEnv *env, jobject instance) {
     Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
     wallet->rescanBlockchainAsync();
 }
@@ -1241,7 +1269,7 @@ jobject newTransactionInfo(JNIEnv *env, Bitmonero::TransactionInfo *info) {
 #include <stdio.h>
 #include <stdlib.h>
 
-jobject cpp2java(JNIEnv *env, const std::vector<Bitmonero::TransactionInfo *>& vector) {
+jobject cpp2java(JNIEnv *env, const std::vector<Bitmonero::TransactionInfo *> &vector) {
 
     jmethodID java_util_ArrayList_ = env->GetMethodID(class_ArrayList, "<init>", "(I)V");
     jmethodID java_util_ArrayList_add = env->GetMethodID(class_ArrayList, "add",

app/src/main/java/com/m2049r/levin/scanner/Dispatcher.java

@@ -77,7 +77,7 @@ public class Dispatcher implements PeerRetriever.OnGetPeers {
                     final NodeInfo nodeInfo = retrievedPeer.getNodeInfo();
                     Timber.d("Retrieved %s", nodeInfo);
                     if ((nodeInfo.isValid() || nodeInfo.isFavourite())) {
-                        nodeInfo.setName();
+                        nodeInfo.setDefaultName();
                         rpcNodes.add(nodeInfo);
                         Timber.d("RPC: %s", nodeInfo);
                         // the following is not totally correct but it works (otherwise we need to

app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java

@@ -65,6 +65,7 @@ import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.LegacyStorageHelper;
 import com.m2049r.xmrwallet.util.LocaleHelper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 import com.m2049r.xmrwallet.util.NightmodeHelper;
 import com.m2049r.xmrwallet.util.ThemeHelper;
 import com.m2049r.xmrwallet.util.ZipBackup;
@@ -701,6 +702,7 @@ public class LoginActivity extends BaseActivity
             new AsyncWaitForService().execute();
         }
         if (!Ledger.isConnected()) attachLedger();
+        registerTor();
     }
 
     private class AsyncWaitForService extends AsyncTask<Void, Void, Void> {
@@ -927,7 +929,8 @@ public class LoginActivity extends BaseActivity
     }
 
     @Override
-    public void onGenerate(final String name, final String password, final String seed,
+    public void onGenerate(final String name, final String password,
+                           final String seed, final String offset,
                            final long restoreHeight) {
         createWallet(name, password,
                 new WalletCreator() {
@@ -939,7 +942,7 @@ public class LoginActivity extends BaseActivity
                     @Override
                     public boolean createWallet(File aFile, String password) {
                         Wallet newWallet = WalletManager.getInstance()
-                                .recoveryWallet(aFile, password, seed, restoreHeight);
+                                .recoveryWallet(aFile, password, seed, offset, restoreHeight);
                         return checkAndCloseWallet(newWallet);
                     }
                 });
@@ -1469,4 +1472,69 @@ public class LoginActivity extends BaseActivity
         }
         return usbManager;
     }
+
+    //
+    // Tor (Orbot) stuff
+    //
+
+    void torNotify() {
+        final Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragment_container);
+        if (fragment == null) return;
+
+        if (fragment instanceof LoginFragment) {
+            runOnUiThread(((LoginFragment) fragment)::showNetwork);
+        }
+    }
+
+    private void deregisterTor() {
+        NetCipherHelper.deregister();
+    }
+
+    private void registerTor() {
+        NetCipherHelper.register(new NetCipherHelper.OnStatusChangedListener() {
+            @Override
+            public void connected() {
+                Timber.d("CONNECTED");
+                WalletManager.getInstance().setProxy(NetCipherHelper.getProxy());
+                torNotify();
+                if (waitingUiTask != null) {
+                    Timber.d("RUN");
+                    runOnUiThread(waitingUiTask);
+                    waitingUiTask = null;
+                }
+            }
+
+            @Override
+            public void disconnected() {
+                Timber.d("DISCONNECTED");
+                WalletManager.getInstance().setProxy("");
+                torNotify();
+            }
+
+            @Override
+            public void notInstalled() {
+                Timber.d("NOT INSTALLED");
+                WalletManager.getInstance().setProxy("");
+                torNotify();
+            }
+
+            @Override
+            public void notEnabled() {
+                Timber.d("NOT ENABLED");
+                notInstalled();
+            }
+        });
+    }
+
+    private Runnable waitingUiTask;
+
+    @Override
+    public void runOnNetCipher(Runnable uiTask) {
+        if (waitingUiTask != null) throw new IllegalStateException("only one tor task at a time");
+        if (NetCipherHelper.hasClient()) {
+            runOnUiThread(uiTask);
+        } else {
+            waitingUiTask = uiTask;
+        }
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java

@@ -19,6 +19,8 @@ package com.m2049r.xmrwallet;
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.text.Html;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -28,22 +30,27 @@ import android.view.ViewGroup;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.FrameLayout;
+import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.progressindicator.CircularProgressIndicator;
 import com.m2049r.xmrwallet.data.NodeInfo;
-import com.m2049r.xmrwallet.layout.NodeInfoAdapter;
+import com.m2049r.xmrwallet.dialog.HelpFragment;
 import com.m2049r.xmrwallet.layout.WalletInfoAdapter;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.KeyStoreHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 import com.m2049r.xmrwallet.util.NodePinger;
 import com.m2049r.xmrwallet.util.Notice;
 import com.m2049r.xmrwallet.widget.Toolbar;
@@ -66,9 +73,9 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
     private View tvGuntherSays;
     private ImageView ivGunther;
     private TextView tvNodeName;
-    private TextView tvNodeAddress;
-    private View pbNode;
-    private View llNode;
+    private TextView tvNodeInfo;
+    private ImageButton ibNetwork;
+    private CircularProgressIndicator pbNetwork;
 
     private Listener activityCallback;
 
@@ -109,6 +116,8 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         Set<NodeInfo> getOrPopulateFavourites();
 
         boolean hasLedger();
+
+        void runOnNetCipher(Runnable runnable);
     }
 
     @Override
@@ -125,6 +134,7 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
     @Override
     public void onPause() {
         Timber.d("onPause()");
+        torStatus = null;
         super.onPause();
     }
 
@@ -135,7 +145,8 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         activityCallback.setTitle(null);
         activityCallback.setToolbarButton(Toolbar.BUTTON_CREDITS);
         activityCallback.showNet();
-        pingSelectedNode();
+        showNetwork();
+        //activityCallback.runOnNetCipher(this::pingSelectedNode);
     }
 
     @Override
@@ -183,12 +194,14 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         ViewGroup llNotice = view.findViewById(R.id.llNotice);
         Notice.showAll(llNotice, ".*_login");
 
-        pbNode = view.findViewById(R.id.pbNode);
-        llNode = view.findViewById(R.id.llNode);
-        llNode.setOnClickListener(v -> startNodePrefs());
+        view.findViewById(R.id.llNode).setOnClickListener(v -> startNodePrefs());
         tvNodeName = view.findViewById(R.id.tvNodeName);
-        tvNodeAddress = view.findViewById(R.id.tvNodeAddress);
+        tvNodeInfo = view.findViewById(R.id.tvInfo);
         view.findViewById(R.id.ibRenew).setOnClickListener(v -> findBestNode());
+        ibNetwork = view.findViewById(R.id.ibNetwork);
+        ibNetwork.setOnClickListener(v -> changeNetwork());
+        ibNetwork.setEnabled(false);
+        pbNetwork = view.findViewById(R.id.pbNetwork);
 
         Helper.hideKeyboard(getActivity());
 
@@ -387,15 +400,29 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         return nodeList.get(0);
     }
 
+    private void setSubtext(String status) {
+        final Context ctx = getContext();
+        final Spanned text = Html.fromHtml(ctx.getString(R.string.status,
+                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoGreen) & 0xFFFFFF),
+                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoBackground) & 0xFFFFFF),
+                status, ""));
+        tvNodeInfo.setText(text);
+    }
+
     private class AsyncFindBestNode extends AsyncTask<Integer, Void, NodeInfo> {
         final static int PING_SELECTED = 0;
         final static int FIND_BEST = 1;
 
+        private boolean netState;
+
         @Override
         protected void onPreExecute() {
             super.onPreExecute();
-            pbNode.setVisibility(View.VISIBLE);
-            llNode.setVisibility(View.INVISIBLE);
+            tvNodeName.setVisibility(View.GONE);
+            pbNetwork.setVisibility(View.VISIBLE);
+            netState = ibNetwork.isClickable();
+            ibNetwork.setClickable(false);
+            setSubtext(getString(R.string.node_waiting));
         }
 
         @Override
@@ -417,8 +444,9 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
                     }
                 if (selectedNode == null) { // autoselect
                     selectedNode = autoselect(favourites);
-                } else
+                } else {
                     selectedNode.testRpcService();
+                }
             } else throw new IllegalStateException();
             if ((selectedNode != null) && selectedNode.isValid()) {
                 activityCallback.setNode(selectedNode);
@@ -432,16 +460,17 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         @Override
         protected void onPostExecute(NodeInfo result) {
             if (!isAdded()) return;
-            pbNode.setVisibility(View.INVISIBLE);
-            llNode.setVisibility(View.VISIBLE);
+            tvNodeName.setVisibility(View.VISIBLE);
+            pbNetwork.setVisibility(View.INVISIBLE);
+            ibNetwork.setClickable(netState);
             if (result != null) {
                 Timber.d("found a good node %s", result.toString());
                 showNode(result);
             } else {
                 tvNodeName.setText(getResources().getText(R.string.node_create_hint));
                 tvNodeName.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
-                tvNodeAddress.setText(null);
-                tvNodeAddress.setVisibility(View.GONE);
+                tvNodeInfo.setText(null);
+                tvNodeInfo.setVisibility(View.GONE);
             }
         }
 
@@ -453,12 +482,70 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
 
     private void showNode(NodeInfo nodeInfo) {
         tvNodeName.setText(nodeInfo.getName());
-        tvNodeName.setCompoundDrawablesWithIntrinsicBounds(NodeInfoAdapter.getPingIcon(nodeInfo), 0, 0, 0);
-        Helper.showTimeDifference(tvNodeAddress, nodeInfo.getTimestamp());
-        tvNodeAddress.setVisibility(View.VISIBLE);
+        nodeInfo.showInfo(tvNodeInfo);
+        tvNodeInfo.setVisibility(View.VISIBLE);
     }
 
     private void startNodePrefs() {
         activityCallback.onNodePrefs();
     }
+
+    // Network (Tor) stuff
+
+    private void changeNetwork() {
+        Timber.d("S: %s", NetCipherHelper.getStatus());
+        final NetCipherHelper.Status status = NetCipherHelper.getStatus();
+        if (status == NetCipherHelper.Status.NOT_INSTALLED) {
+            HelpFragment.display(requireActivity().getSupportFragmentManager(), R.string.help_tor);
+        } else if (status == NetCipherHelper.Status.NOT_ENABLED) {
+            Toast.makeText(getActivity(), getString(R.string.tor_enable_background), Toast.LENGTH_LONG).show();
+        } else {
+            pbNetwork.setVisibility(View.VISIBLE);
+            ibNetwork.setEnabled(false);
+            NetCipherHelper.getInstance().toggle();
+        }
+    }
+
+    private NetCipherHelper.Status torStatus = null;
+
+    void showNetwork() {
+        final NetCipherHelper.Status status = NetCipherHelper.getStatus();
+        Timber.d("SHOW %s", status);
+        if (status == torStatus) return;
+        torStatus = status;
+        switch (status) {
+            case ENABLED:
+                ibNetwork.setImageResource(R.drawable.ic_network_tor_on);
+                ibNetwork.setEnabled(true);
+                ibNetwork.setClickable(true);
+                pbNetwork.setVisibility(View.INVISIBLE);
+                break;
+            case NOT_ENABLED:
+            case DISABLED:
+                ibNetwork.setImageResource(R.drawable.ic_network_clearnet);
+                ibNetwork.setEnabled(true);
+                ibNetwork.setClickable(true);
+                pbNetwork.setVisibility(View.INVISIBLE);
+                break;
+            case STARTING:
+                ibNetwork.setImageResource(R.drawable.ic_network_clearnet);
+                ibNetwork.setEnabled(false);
+                pbNetwork.setVisibility(View.VISIBLE);
+                break;
+            case STOPPING:
+                ibNetwork.setImageResource(R.drawable.ic_network_clearnet);
+                ibNetwork.setEnabled(false);
+                pbNetwork.setVisibility(View.VISIBLE);
+                break;
+            case NOT_INSTALLED:
+                ibNetwork.setEnabled(true);
+                ibNetwork.setClickable(true);
+                pbNetwork.setVisibility(View.INVISIBLE);
+                ibNetwork.setImageResource(R.drawable.ic_network_clearnet);
+                break;
+            default:
+                return;
+        }
+        activityCallback.runOnNetCipher(this::pingSelectedNode);
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java

@@ -20,7 +20,6 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -59,7 +58,6 @@ import java.text.NumberFormat;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
-import java.util.Objects;
 import java.util.Set;
 
 import timber.log.Timber;
@@ -219,8 +217,8 @@ public class NodeFragment extends Fragment
             activityCallback.setNode(nodeItem); // this marks it as selected & saves it as well
             nodeItem.setSelecting(false);
             try {
-                Objects.requireNonNull(getActivity()).runOnUiThread(() -> nodesAdapter.allowClick(true));
-            } catch (NullPointerException ex) {
+                requireActivity().runOnUiThread(() -> nodesAdapter.allowClick(true));
+            } catch (IllegalStateException ex) {
                 // it's ok
             }
         });
@@ -403,16 +401,12 @@ public class NodeFragment extends Fragment
                 etNodeHost.setError(getString(R.string.node_host_empty));
                 return false;
             }
-            final boolean setHostSuccess = Helper.runWithNetwork(new Helper.Action() {
-                @Override
-                public boolean run() {
-                    try {
-                        nodeInfo.setHost(host);
-                        return true;
-                    } catch (UnknownHostException ex) {
-                        etNodeHost.setError(getString(R.string.node_host_unresolved));
-                        return false;
-                    }
+            final boolean setHostSuccess = Helper.runWithNetwork(() -> {
+                try {
+                    nodeInfo.setHost(host);
+                    return true;
+                } catch (UnknownHostException ex) {
+                    return false;
                 }
             });
             if (!setHostSuccess) {
@@ -421,14 +415,7 @@ public class NodeFragment extends Fragment
             }
             etNodeHost.setError(null);
             nodeInfo.setRpcPort(port);
-            // setName() may trigger reverse DNS
-            Helper.runWithNetwork(new Helper.Action() {
-                @Override
-                public boolean run() {
-                    nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
-                    return true;
-                }
-            });
+            nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
             nodeInfo.setUsername(etNodeUser.getEditText().getText().toString().trim());
             nodeInfo.setPassword(etNodePass.getEditText().getText().toString()); // no trim for pw
             return true;
@@ -532,20 +519,10 @@ public class NodeFragment extends Fragment
                 @Override
                 public void onShow(final DialogInterface dialog) {
                     Button testButton = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_NEUTRAL);
-                    testButton.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View view) {
-                            test();
-                        }
-                    });
+                    testButton.setOnClickListener(view -> test());
 
                     Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
-                    button.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View view) {
-                            apply();
-                        }
-                    });
+                    button.setOnClickListener(view -> apply());
                 }
             });
 
@@ -553,15 +530,13 @@ public class NodeFragment extends Fragment
                 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) {
-                        editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
-                        test();
-                        return true;
-                    }
-                    return false;
+            etNodePass.getEditText().setOnEditorActionListener((v, actionId, event) -> {
+                if (actionId == EditorInfo.IME_ACTION_DONE) {
+                    editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
+                    test();
+                    return true;
                 }
+                return false;
             });
         }
 
@@ -589,6 +564,7 @@ public class NodeFragment extends Fragment
                     } else {
                         nodesAdapter.setNodes();
                     }
+                    nodesAdapter.notifyItemChanged(nodeInfo);
                 }
             }
         }

app/src/main/java/com/m2049r/xmrwallet/SubaddressFragment.java

@@ -67,6 +67,8 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
         void setToolbarButton(int type);
 
         void showSubaddress(View view, final int subaddressIndex);
+
+        void saveWallet();
     }
 
     public interface ProgressListener {
@@ -217,7 +219,9 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
         protected Boolean doInBackground(Void... params) {
             if (params.length != 0) return false;
             wallet.getNewSubaddress();
-            wallet.store();
+            if (activityCallback != null) {
+                activityCallback.saveWallet();
+            }
             return true;
         }
 

app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java

@@ -505,6 +505,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         Timber.d("onResume()");
     }
 
+    @Override
     public void saveWallet() {
         if (mIsBound) { // no point in talking to unbound service
             Intent intent = new Intent(getApplicationContext(), WalletService.class);
@@ -578,7 +579,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         try {
             final WalletFragment walletFragment = getWalletFragment();
             if (wallet.isSynchronized()) {
-                Timber.d("onRefreshed() synced");
                 releaseWakeLock(RELEASE_WAKE_LOCK_DELAY); // the idea is to stay awake until synced
                 if (!synced) { // first sync
                     onProgress(-1);
@@ -610,9 +610,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     public void onWalletStored(final boolean success) {
         runOnUiThread(() -> {
-            if (success) {
-                Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_unloaded), Toast.LENGTH_SHORT).show();
-            } else {
+            if (!success) {
                 Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_unload_failed), Toast.LENGTH_LONG).show();
             }
         });

app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java

@@ -58,7 +58,6 @@ import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Objects;
 
 import timber.log.Timber;
 
@@ -128,7 +127,7 @@ public class WalletFragment extends Fragment
         currencies.add(Helper.BASE_CRYPTO);
         if (Helper.SHOW_EXCHANGERATES)
             currencies.addAll(Arrays.asList(getResources().getStringArray(R.array.currency)));
-        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(Objects.requireNonNull(getContext()), R.layout.item_spinner_balance, currencies);
+        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(requireContext(), R.layout.item_spinner_balance, currencies);
         spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         sCurrency.setAdapter(spinnerAdapter);
 
@@ -224,11 +223,13 @@ public class WalletFragment extends Fragment
     }
 
     void showUnconfirmed(double unconfirmedAmount) {
-        if (!activityCallback.isStreetMode()) {
+        if (activityCallback.isStreetMode() || unconfirmedAmount == 0) {
+            tvUnconfirmedAmount.setText(null);
+            tvUnconfirmedAmount.setVisibility(View.GONE);
+        } else {
             String unconfirmed = Helper.getFormattedAmount(unconfirmedAmount, true);
             tvUnconfirmedAmount.setText(getResources().getString(R.string.xmr_unconfirmed_amount, unconfirmed));
-        } else {
-            tvUnconfirmedAmount.setText(null);
+            tvUnconfirmedAmount.setVisibility(View.VISIBLE);
         }
     }
 
@@ -346,13 +347,18 @@ public class WalletFragment extends Fragment
     // if account index has changed scroll to top?
     private int accountIndex = 0;
 
-    public void onRefreshed(final Wallet wallet, final boolean full) {
+    public void onRefreshed(final Wallet wallet, boolean full) {
         Timber.d("onRefreshed(%b)", full);
 
+        if (adapter.needsTransactionUpdateOnNewBlock()) {
+            wallet.refreshHistory();
+            full = true;
+        }
         if (full) {
             List<TransactionInfo> list = new ArrayList<>();
             final long streetHeight = activityCallback.getStreetModeHeight();
             Timber.d("StreetHeight=%d", streetHeight);
+            wallet.refreshHistory();
             for (TransactionInfo info : wallet.getHistory().getAll()) {
                 Timber.d("TxHeight=%d, Label=%s", info.blockheight, info.subaddressLabel);
                 if ((info.isPending || (info.blockheight >= streetHeight))
@@ -561,7 +567,7 @@ public class WalletFragment extends Fragment
         //TODO figure out why gunther disappears on return from send although he is still set
         if (enable) {
             if (streetGunther == null)
-                streetGunther = ContextCompat.getDrawable(Objects.requireNonNull(getContext()), R.drawable.ic_gunther_streetmode);
+                streetGunther = ContextCompat.getDrawable(requireContext(), R.drawable.ic_gunther_streetmode);
             ivStreetGunther.setImageDrawable(streetGunther);
         } else
             ivStreetGunther.setImageDrawable(null);

app/src/main/java/com/m2049r/xmrwallet/XmrWalletApplication.java

@@ -21,14 +21,17 @@ import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Build;
 
-import com.m2049r.xmrwallet.BuildConfig;
+import androidx.annotation.NonNull;
+
 import com.m2049r.xmrwallet.model.NetworkType;
 import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 import com.m2049r.xmrwallet.util.NightmodeHelper;
 
 import timber.log.Timber;
 
 public class XmrWalletApplication extends Application {
+
     @Override
     public void onCreate() {
         super.onCreate();
@@ -36,7 +39,10 @@ public class XmrWalletApplication extends Application {
         if (BuildConfig.DEBUG) {
             Timber.plant(new Timber.DebugTree());
         }
+
         NightmodeHelper.setPreferredNightmode(this);
+
+        NetCipherHelper.createInstance(this);
     }
 
     @Override
@@ -45,7 +51,7 @@ public class XmrWalletApplication extends Application {
     }
 
     @Override
-    public void onConfigurationChanged(Configuration configuration) {
+    public void onConfigurationChanged(@NonNull Configuration configuration) {
         super.onConfigurationChanged(configuration);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             LocaleHelper.updateSystemDefaultLocale(configuration.getLocales().get(0));

app/src/main/java/com/m2049r/xmrwallet/data/DefaultNodes.java

@@ -28,7 +28,11 @@ public enum DefaultNodes {
     SUPPORTXMR("node.supportxmr.com:18081"),
     HASHVAULT("nodes.hashvault.pro:18081"),
     MONEROWORLD("node.moneroworld.com:18089"),
-    XMRTW("opennode.xmr-tw.org:18089");
+    XMRTW("opennode.xmr-tw.org:18089"),
+    MONERUJO_ONION("monerujods7mbghwe6cobdr6ujih6c22zu5rl7zshmizz2udf7v7fsad.onion:18081/mainnet/monerujo.onion"),
+    Criminales78("56wl7y2ebhamkkiza4b7il4mrzwtyvpdym7bm2bkg3jrei2je646k3qd.onion:18089/mainnet/Criminales78.onion"),
+    xmrfail("mxcd4577fldb3ppzy7obmmhnu3tf57gbcbd4qhwr2kxyjj2qi3dnbfqd.onion:18081/mainnet/xmrfail.onion"),
+    boldsuck("6dsdenp6vjkvqzy4wzsnzn6wixkdzihx3khiumyzieauxuxslmcaeiad.onion:18081/mainnet/boldsuck.onion");
 
     @Getter
     private final String uri;

app/src/main/java/com/m2049r/xmrwallet/data/Node.java

@@ -18,6 +18,7 @@ package com.m2049r.xmrwallet.data;
 
 import com.m2049r.xmrwallet.model.NetworkType;
 import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.OnionHelper;
 
 import java.io.UnsupportedEncodingException;
 import java.net.InetAddress;
@@ -35,11 +36,63 @@ public class Node {
     static public final String STAGENET = "stagenet";
     static public final String TESTNET = "testnet";
 
+    static class Address {
+        final private InetAddress inet;
+        final private String onion;
+
+        public boolean isOnion() {
+            return onion != null;
+        }
+
+        public String getHostName() {
+            if (inet != null) {
+                return inet.getHostName();
+            } else {
+                return onion;
+            }
+        }
+
+        public String getHostAddress() {
+            if (inet != null) {
+                return inet.getHostAddress();
+            } else {
+                return onion;
+            }
+        }
+
+        private Address(InetAddress address, String onion) {
+            this.inet = address;
+            this.onion = onion;
+        }
+
+        static Address of(InetAddress address) {
+            return new Address(address, null);
+        }
+
+        static Address of(String host) throws UnknownHostException {
+            if (OnionHelper.isOnionHost(host)) {
+                return new Address(null, host);
+            } else {
+                return new Address(InetAddress.getByName(host), null);
+            }
+        }
+
+        @Override
+        public int hashCode() {
+            return getHostAddress().hashCode();
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return (other instanceof Address) && (getHostAddress().equals(((Address) other).getHostAddress()));
+        }
+    }
+
     @Getter
     private String name = null;
     @Getter
     final private NetworkType networkType;
-    InetAddress hostAddress;
+    Address hostAddress;
     @Getter
     private String host;
     @Getter
@@ -74,6 +127,10 @@ public class Node {
                 && (networkType == anotherNode.networkType));
     }
 
+    public boolean isOnion() {
+        return hostAddress.isOnion();
+    }
+
     static public Node fromString(String nodeString) {
         try {
             return new Node(nodeString);
@@ -205,7 +262,7 @@ public class Node {
     // constructor used for created nodes from retrieved peer lists
     public Node(InetSocketAddress socketAddress) {
         this();
-        this.hostAddress = socketAddress.getAddress();
+        this.hostAddress = Address.of(socketAddress.getAddress());
         this.host = socketAddress.getHostString();
         this.rpcPort = 0; // unknown
         this.levinPort = socketAddress.getPort();
@@ -225,17 +282,25 @@ public class Node {
         if ((host == null) || (host.isEmpty()))
             throw new UnknownHostException("loopback not supported (yet?)");
         this.host = host;
-        this.hostAddress = InetAddress.getByName(host);
+        this.hostAddress = Address.of(host);
     }
 
-    public void setName() {
-        if (name == null)
-            this.name = hostAddress.getHostName();
+    public void setDefaultName() {
+        if (name != null) return;
+        String nodeName = hostAddress.getHostName();
+        if (hostAddress.isOnion()) {
+            nodeName = nodeName.substring(0, nodeName.length() - ".onion".length());
+            if (nodeName.length() > 16) {
+                nodeName = nodeName.substring(0, 8) + "…" + nodeName.substring(nodeName.length() - 6);
+            }
+            nodeName = nodeName + ".onion";
+        }
+        this.name = nodeName;
     }
 
     public void setName(String name) {
         if ((name == null) || (name.isEmpty()))
-            this.name = hostAddress.getHostName();
+            setDefaultName();
         else
             this.name = name;
     }

app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java

@@ -16,14 +16,19 @@
 
 package com.m2049r.xmrwallet.data;
 
-import com.burgstaller.okhttp.AuthenticationCacheInterceptor;
-import com.burgstaller.okhttp.CachingAuthenticatorDecorator;
-import com.burgstaller.okhttp.digest.CachingAuthenticator;
-import com.burgstaller.okhttp.digest.Credentials;
-import com.burgstaller.okhttp.digest.DigestAuthenticator;
+import android.content.Context;
+import android.text.Html;
+import android.text.Spanned;
+import android.widget.TextView;
+
+import androidx.core.content.ContextCompat;
+
 import com.m2049r.levin.scanner.LevinPeer;
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper.Request;
 import com.m2049r.xmrwallet.util.NodePinger;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
 
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -32,17 +37,12 @@ import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
+import java.util.Calendar;
 import java.util.Comparator;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
 
 import lombok.Getter;
 import lombok.Setter;
 import okhttp3.HttpUrl;
-import okhttp3.MediaType;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.RequestBody;
 import okhttp3.Response;
 import okhttp3.ResponseBody;
 import timber.log.Timber;
@@ -94,7 +94,7 @@ public class NodeInfo extends Node {
     synchronized public SocketAddress getLevinSocketAddress() {
         if (levinSocketAddress == null) {
             // use default peer port if not set - very few peers use nonstandard port
-            levinSocketAddress = new InetSocketAddress(hostAddress, getDefaultLevinPort());
+            levinSocketAddress = new InetSocketAddress(hostAddress.getHostAddress(), getDefaultLevinPort());
         }
         return levinSocketAddress;
     }
@@ -180,7 +180,7 @@ public class NodeInfo extends Node {
         return sb.toString();
     }
 
-    private static final int HTTP_TIMEOUT = OkHttpHelper.HTTP_TIMEOUT;
+    private static final int HTTP_TIMEOUT = 1000; //ms
     public static final double PING_GOOD = HTTP_TIMEOUT / 3.0; //ms
     public static final double PING_MEDIUM = 2 * PING_GOOD; //ms
     public static final double PING_BAD = HTTP_TIMEOUT;
@@ -196,32 +196,29 @@ public class NodeInfo extends Node {
         return result;
     }
 
+    private Request rpcServiceRequest(int port) {
+        final HttpUrl url = new HttpUrl.Builder()
+                .scheme("http")
+                .host(getHost())
+                .port(port)
+                .addPathSegment("json_rpc")
+                .build();
+        final String json = "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getlastblockheader\"}";
+        return new Request(url, json, getUsername(), getPassword());
+    }
+
     private boolean testRpcService(int port) {
         Timber.d("Testing %s", toNodeString());
         clear();
+        if (hostAddress.isOnion() && !NetCipherHelper.isTor()) {
+            tested = true; // sortof
+            responseCode = 418; // I'm a teapot - or I need an Onion - who knows
+            return false; // autofail
+        }
         try {
-            OkHttpClient client = OkHttpHelper.getEagerClient();
-            if (!getUsername().isEmpty()) {
-                final DigestAuthenticator authenticator =
-                        new DigestAuthenticator(new Credentials(getUsername(), getPassword()));
-                final Map<String, CachingAuthenticator> authCache = new ConcurrentHashMap<>();
-                client = client.newBuilder()
-                        .authenticator(new CachingAuthenticatorDecorator(authenticator, authCache))
-                        .addInterceptor(new AuthenticationCacheInterceptor(authCache))
-                        .build();
-            }
-            HttpUrl url = new HttpUrl.Builder()
-                    .scheme("http")
-                    .host(getHostAddress())
-                    .port(port)
-                    .addPathSegment("json_rpc")
-                    .build();
-            final RequestBody reqBody = RequestBody
-                    .create(MediaType.parse("application/json"),
-                            "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getlastblockheader\"}");
-            Request request = OkHttpHelper.getPostRequest(url, reqBody);
             long ta = System.nanoTime();
-            try (Response response = client.newCall(request).execute()) {
+            try (Response response = rpcServiceRequest(port).execute()) {
+                Timber.d("%s: %s", response.code(), response.request().url());
                 responseTime = (System.nanoTime() - ta) / 1000000.0;
                 responseCode = response.code();
                 if (response.isSuccessful()) {
@@ -243,7 +240,7 @@ public class NodeInfo extends Node {
                 }
             }
         } catch (IOException | JSONException ex) {
-            Timber.d(ex);
+            Timber.d("EX: %s", ex.getMessage()); //TODO: do something here (show error?)
         } finally {
             tested = true;
         }
@@ -264,4 +261,43 @@ public class NodeInfo extends Node {
         }
         return false;
     }
+
+    static public final int STALE_NODE_HOURS = 2;
+
+    public void showInfo(TextView view, String info, boolean isError) {
+        final Context ctx = view.getContext();
+        final Spanned text = Html.fromHtml(ctx.getString(R.string.status,
+                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoGreen) & 0xFFFFFF),
+                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoBackground) & 0xFFFFFF),
+                (hostAddress.isOnion() ? "&nbsp;.onion&nbsp;&nbsp;" : ""), " " + info));
+        view.setText(text);
+        if (isError)
+            view.setTextColor(ThemeHelper.getThemedColor(ctx, R.attr.colorError));
+        else
+            view.setTextColor(ThemeHelper.getThemedColor(ctx, R.attr.colorPrimary));
+    }
+
+    public void showInfo(TextView view) {
+        if (!isTested()) {
+            showInfo(view, "", false);
+            return;
+        }
+        final Context ctx = view.getContext();
+        final long now = Calendar.getInstance().getTimeInMillis() / 1000;
+        final long secs = (now - timestamp);
+        final long mins = secs / 60;
+        final long hours = mins / 60;
+        final long days = hours / 24;
+        String info;
+        if (mins < 2) {
+            info = ctx.getString(R.string.node_updated_now, secs);
+        } else if (hours < 2) {
+            info = ctx.getString(R.string.node_updated_mins, mins);
+        } else if (days < 2) {
+            info = ctx.getString(R.string.node_updated_hours, hours);
+        } else {
+            info = ctx.getString(R.string.node_updated_days, days);
+        }
+        showInfo(view, info, hours >= STALE_NODE_HOURS);
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/dialog/HelpFragment.java

@@ -17,13 +17,17 @@
 package com.m2049r.xmrwallet.dialog;
 
 import android.app.Dialog;
-import android.content.DialogInterface;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.os.Bundle;
 import android.text.Html;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
@@ -31,15 +35,20 @@ import androidx.fragment.app.FragmentTransaction;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 
 public class HelpFragment extends DialogFragment {
     static final String TAG = "HelpFragment";
     private static final String HELP_ID = "HELP_ID";
+    private static final String TOR_BUTTON = "TOR";
 
     public static HelpFragment newInstance(int helpResourceId) {
         HelpFragment fragment = new HelpFragment();
         Bundle bundle = new Bundle();
         bundle.putInt(HELP_ID, helpResourceId);
+        // a hack for the tor button
+        if (helpResourceId == R.string.help_tor)
+            bundle.putInt(TOR_BUTTON, 7);
         fragment.setArguments(bundle);
         return fragment;
     }
@@ -54,27 +63,53 @@ public class HelpFragment extends DialogFragment {
         HelpFragment.newInstance(helpResourceId).show(ft, TAG);
     }
 
+    private Spanned getHtml(String html, double textSize) {
+        final Html.ImageGetter imageGetter = source -> {
+            final int imageId = getResources().getIdentifier(source.replace("/", ""), "drawable", requireActivity().getPackageName());
+            // Don't die if we don't find the image - use a heart instead
+            final Drawable drawable = ContextCompat.getDrawable(requireActivity(), imageId > 0 ? imageId : R.drawable.ic_favorite_24dp);
+            final double f = textSize / drawable.getIntrinsicHeight();
+            drawable.setBounds(0, 0, (int) (f * drawable.getIntrinsicWidth()), (int) textSize);
+            return drawable;
+        };
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY, imageGetter, null);
+        } else {
+            return Html.fromHtml(html, imageGetter, null);
+        }
+    }
+
+    @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         final View view = LayoutInflater.from(getActivity()).inflate(R.layout.fragment_help, null);
 
         int helpId = 0;
+        boolean torButton = false;
         Bundle arguments = getArguments();
         if (arguments != null) {
             helpId = arguments.getInt(HELP_ID);
+            torButton = arguments.getInt(TOR_BUTTON) > 0;
         }
+        final TextView helpTv = view.findViewById(R.id.tvHelp);
         if (helpId > 0)
-            ((TextView) view.findViewById(R.id.tvHelp)).setText(Html.fromHtml(getString(helpId)));
+            helpTv.setText(getHtml(getString(helpId), helpTv.getTextSize()));
 
-        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
-                .setView(view)
-                .setNegativeButton(R.string.help_ok,
-                        new DialogInterface.OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int id) {
+        MaterialAlertDialogBuilder builder =
+                new MaterialAlertDialogBuilder(requireActivity())
+                        .setView(view);
+        if (torButton) {
+            builder.setNegativeButton(R.string.help_nok,
+                    (dialog, id) -> dialog.dismiss())
+                    .setPositiveButton(R.string.help_getorbot,
+                            (dialog, id) -> {
                                 dialog.dismiss();
-                            }
-                        });
+                                NetCipherHelper.getInstance().installOrbot(requireActivity());
+                            });
+        } else {
+            builder.setNegativeButton(R.string.help_ok,
+                    (dialog, id) -> dialog.dismiss());
+        }
         return builder.create();
     }
 }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java

@@ -22,6 +22,7 @@ import android.os.Bundle;
 import android.text.Editable;
 import android.text.Html;
 import android.text.InputType;
+import android.text.Spanned;
 import android.text.TextWatcher;
 import android.util.Patterns;
 import android.view.KeyEvent;
@@ -91,6 +92,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
     private TextInputLayout etAddress;
     private TextInputLayout etNotes;
     private TextView tvXmrTo;
+    private TextView tvTor;
     private Map<Crypto, ImageButton> ibCrypto;
     final private Set<Crypto> possibleCryptos = new HashSet<>();
     private Crypto selectedCrypto = null;
@@ -117,11 +119,12 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
         View view = inflater.inflate(R.layout.fragment_send_address, container, false);
 
-        if (Helper.ALLOW_SHIFT) {
-            tvXmrTo = view.findViewById(R.id.tvXmrTo);
-            ibCrypto = new HashMap<>();
-            for (Crypto crypto : Crypto.values()) {
-                final ImageButton button = view.findViewById(crypto.getButtonId());
+        tvTor = view.findViewById(R.id.tvTor);
+        tvXmrTo = view.findViewById(R.id.tvXmrTo);
+        ibCrypto = new HashMap<>();
+        for (Crypto crypto : Crypto.values()) {
+            final ImageButton button = view.findViewById(crypto.getButtonId());
+            if (Helper.ALLOW_SHIFT || (crypto == Crypto.XMR)) {
                 ibCrypto.put(crypto, button);
                 button.setOnClickListener(v -> {
                     if (possibleCryptos.contains(crypto)) {
@@ -137,14 +140,21 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                         } else {
                             tvXmrTo.setText(Html.fromHtml(getString(R.string.info_xmrto_help_xmr)));
                             tvXmrTo.setVisibility(View.VISIBLE);
+                            tvTor.setVisibility(View.INVISIBLE);
                         }
                     }
                 });
+            } else {
+                button.setImageResource(crypto.getIconDisabledId());
+                button.setImageAlpha(128);
+                button.setEnabled(false);
             }
-            updateCryptoButtons(true);
-        } else {
-            view.findViewById(R.id.llExchange).setVisibility(View.GONE);
         }
+        if (!Helper.ALLOW_SHIFT) {
+            tvTor.setVisibility(View.VISIBLE);
+        }
+        updateCryptoButtons(true);
+
         etAddress = view.findViewById(R.id.etAddress);
         etAddress.getEditText().setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
         etAddress.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
@@ -349,7 +359,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private boolean checkAddress() {
         boolean ok = checkAddressNoError();
-        if (!ok) {
+        if (possibleCryptos.isEmpty()) {
             etAddress.setError(getString(R.string.send_address_invalid));
         } else {
             etAddress.setError(null);
@@ -455,6 +465,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 Timber.d("BUT ONLY XMR SUPPORTED");
                 barcodeData = null;
                 sendListener.setBarcodeData(barcodeData);
+                return;
             }
             if (barcodeData.address != null) {
                 etAddress.getEditText().setText(barcodeData.address);

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcAmountWizardFragment.java

@@ -35,7 +35,6 @@ import com.m2049r.xmrwallet.service.shift.sideshift.api.QueryOrderParameters;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
 import com.m2049r.xmrwallet.widget.ExchangeOtherEditText;
 import com.m2049r.xmrwallet.widget.SendProgressView;
@@ -90,7 +89,6 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         return view;
     }
 
-
     @Override
     public boolean onValidateFields() {
         Timber.i(maxBtc + "/" + minBtc);
@@ -256,8 +254,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
-                            ServiceHelper.getXmrToBaseUrl());
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java

@@ -37,7 +37,6 @@ import com.m2049r.xmrwallet.service.shift.sideshift.api.RequestQuote;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
 import com.m2049r.xmrwallet.widget.SendProgressView;
 
@@ -359,40 +358,22 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     private RequestQuote xmrtoQuote = null;
-    private int stageARetries = 0;
-    private final int RETRIES = 3;
-    private double stageAPrice = 0;
 
     private void processStageA(final RequestQuote requestQuote) {
         Timber.d("processCreateOrder %s", requestQuote.getId());
         TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        // verify the BTC amount is correct (price can change and we can only specify XMR amount)
+        // verify the BTC amount is correct
         if (requestQuote.getBtcAmount() != txDataBtc.getBtcAmount()) {
-            if (--stageARetries <= 0) {
-                Timber.d("Failed to get quote");
-                getView().post(() ->
-                        showStageError(ShiftError.Error.SERVICE.toString(),
-                                getString(R.string.shift_noquote),
-                                getString(R.string.shift_checkamount)));
-                return; // just stop for now
-            }
-            if (stageAPrice == requestQuote.getPrice()) {
-                // same price but different BTC amount - something else is wrong (e.g. too many decimals)
-                Timber.d("Price unchanged");
-                getView().post(() ->
-                        showStageError(ShiftError.Error.SERVICE.toString(),
-                                getString(R.string.shift_noquote),
-                                getString(R.string.shift_checkamount)));
-                return; // just stop for now
-            }
-            stageAPrice = requestQuote.getPrice();
-            // recalc XMR and try again
-            txDataBtc.setAmount(txDataBtc.getBtcAmount() / requestQuote.getPrice());
-            getView().post(this::stageAOneShot);
-            return; // stageA will run in the main thread
+            Timber.d("Failed to get quote");
+            getView().post(() -> showStageError(ShiftError.Error.SERVICE.toString(),
+                    getString(R.string.shift_noquote),
+                    getString(R.string.shift_checkamount)));
+            return; // just stop for now
         }
         xmrtoQuote = requestQuote;
+        txDataBtc.setAmount(xmrtoQuote.getXmrAmount());
         getView().post(() -> {
+            // show data from the actual quote as that is what is used to
             NumberFormat df = NumberFormat.getInstance(Locale.US);
             df.setMaximumFractionDigits(12);
             final String btcAmount = df.format(xmrtoQuote.getBtcAmount());
@@ -438,18 +419,12 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     private void stageA() {
-        stageARetries = RETRIES;
-        stageAOneShot();
-    }
-
-    private void stageAOneShot() {
         if (!isResumed) return;
         Timber.d("Request Quote");
         xmrtoQuote = null;
         xmrtoOrder = null;
         showProgress(1, getString(R.string.label_send_progress_xmrto_create));
         TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        stageAPrice = 0;
 
         ShiftCallback<RequestQuote> callback = new ShiftCallback<RequestQuote>() {
             @Override
@@ -473,7 +448,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
             }
         };
 
-        getXmrToApi().requestQuote(txDataBtc.getAmountAsDouble(), callback);
+        getXmrToApi().requestQuote(txDataBtc.getBtcAmount(), callback);
     }
 
     private CreateOrder xmrtoOrder = null;
@@ -567,8 +542,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
-                            ServiceHelper.getXmrToBaseUrl());
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcSuccessWizardFragment.java

@@ -39,7 +39,6 @@ import com.m2049r.xmrwallet.service.shift.sideshift.api.QueryOrderStatus;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
 
 import java.text.NumberFormat;
@@ -245,8 +244,7 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
-                            ServiceHelper.getXmrToBaseUrl());
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

app/src/main/java/com/m2049r/xmrwallet/layout/NodeInfoAdapter.java

@@ -23,28 +23,25 @@ import android.view.ViewGroup;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentActivity;
 import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.NodeInfo;
-import com.m2049r.xmrwallet.util.ThemeHelper;
-import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.dialog.HelpFragment;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 
 import java.net.HttpURLConnection;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
-import java.util.TimeZone;
 
 public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHolder> {
-    private final SimpleDateFormat TS_FORMATTER = new SimpleDateFormat("yyyy-MM-dd HH:mm");
-
     public interface OnInteractionListener {
         void onInteraction(View view, NodeInfo item);
 
@@ -54,14 +51,16 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
     private final List<NodeInfo> nodeItems = new ArrayList<>();
     private final OnInteractionListener listener;
 
-    private final Context context;
+    private final FragmentActivity activity;
 
-    public NodeInfoAdapter(Context context, OnInteractionListener listener) {
-        this.context = context;
+    public NodeInfoAdapter(FragmentActivity activity, OnInteractionListener listener) {
+        this.activity = activity;
         this.listener = listener;
-        Calendar cal = Calendar.getInstance();
-        TimeZone tz = cal.getTimeZone(); //get the local time zone.
-        TS_FORMATTER.setTimeZone(tz);
+    }
+
+    public void notifyItemChanged(NodeInfo nodeInfo) {
+        final int pos = nodeItems.indexOf(nodeInfo);
+        if (pos >= 0) notifyItemChanged(pos);
     }
 
     private static class NodeDiff extends DiffCallback<NodeInfo> {
@@ -142,7 +141,7 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
         final ImageButton ibBookmark;
         final View pbBookmark;
         final TextView tvName;
-        final TextView tvIp;
+        final TextView tvInfo;
         final ImageView ivPing;
         NodeInfo nodeItem;
 
@@ -151,7 +150,7 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
             ibBookmark = itemView.findViewById(R.id.ibBookmark);
             pbBookmark = itemView.findViewById(R.id.pbBookmark);
             tvName = itemView.findViewById(R.id.tvName);
-            tvIp = itemView.findViewById(R.id.tvAddress);
+            tvInfo = itemView.findViewById(R.id.tvInfo);
             ivPing = itemView.findViewById(R.id.ivPing);
             ibBookmark.setOnClickListener(v -> {
                 nodeItem.toggleFavourite();
@@ -179,13 +178,12 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
             ivPing.setImageResource(getPingIcon(nodeItem));
             if (nodeItem.isTested()) {
                 if (nodeItem.isValid()) {
-                    Helper.showTimeDifference(tvIp, nodeItem.getTimestamp());
+                    nodeItem.showInfo(tvInfo);
                 } else {
-                    tvIp.setText(getResponseErrorText(context, nodeItem.getResponseCode()));
-                    tvIp.setTextColor(ThemeHelper.getThemedColor(context, R.attr.colorError));
+                    nodeItem.showInfo(tvInfo, getResponseErrorText(activity, nodeItem.getResponseCode()), true);
                 }
             } else {
-                tvIp.setText(context.getResources().getString(R.string.node_testing, nodeItem.getHostAddress()));
+                nodeItem.showInfo(tvInfo);
             }
             itemView.setSelected(nodeItem.isSelected());
             itemView.setClickable(itemsClickable);
@@ -201,6 +199,16 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
                 int position = getAdapterPosition(); // gets item position
                 if (position != RecyclerView.NO_POSITION) { // Check if an item was deleted, but the user clicked it before the UI removed it
                     final NodeInfo node = nodeItems.get(position);
+                    if (node.isOnion()) {
+                        switch (NetCipherHelper.getStatus()) {
+                            case NOT_INSTALLED:
+                                HelpFragment.display(activity.getSupportFragmentManager(), R.string.help_tor);
+                                return;
+                            case DISABLED:
+                                HelpFragment.display(activity.getSupportFragmentManager(), R.string.help_tor_enable);
+                                return;
+                        }
+                    }
                     node.setSelecting(true);
                     allowClick(false);
                     listener.onInteraction(view, node);
@@ -245,6 +253,8 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
             return ctx.getResources().getString(R.string.node_general_error);
         } else if (responseCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
             return ctx.getResources().getString(R.string.node_auth_error);
+        } else if (responseCode == 418) {
+            return ctx.getResources().getString(R.string.node_tor_error);
         } else {
             return ctx.getResources().getString(R.string.node_test_error, responseCode);
         }

app/src/main/java/com/m2049r/xmrwallet/layout/TransactionInfoAdapter.java

@@ -30,6 +30,7 @@ import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.material.progressindicator.CircularProgressIndicator;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.Crypto;
 import com.m2049r.xmrwallet.data.UserNotes;
@@ -48,7 +49,7 @@ import java.util.TimeZone;
 import timber.log.Timber;
 
 public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfoAdapter.ViewHolder> {
-    private final SimpleDateFormat DATETIME_FORMATTER = new SimpleDateFormat("yyyy-MM-dd HH:mm");
+    private final static SimpleDateFormat DATETIME_FORMATTER = new SimpleDateFormat("yyyy-MM-dd HH:mm");
 
     private final int outboundColour;
     private final int inboundColour;
@@ -77,6 +78,10 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
         DATETIME_FORMATTER.setTimeZone(tz);
     }
 
+    public boolean needsTransactionUpdateOnNewBlock() {
+        return (infoItems.size() > 0) && !infoItems.get(0).isConfirmed();
+    }
+
     private static class TransactionInfoDiff extends DiffCallback<TransactionInfo> {
 
         public TransactionInfoDiff(List<TransactionInfo> oldList, List<TransactionInfo> newList) {
@@ -95,6 +100,7 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
             return (oldItem.direction == newItem.direction)
                     && (oldItem.isPending == newItem.isPending)
                     && (oldItem.isFailed == newItem.isFailed)
+                    && ((oldItem.confirmations == newItem.confirmations) || (oldItem.isConfirmed()))
                     && (oldItem.subaddressLabel.equals(newItem.subaddressLabel))
                     && (Objects.equals(oldItem.notes, newItem.notes));
         }
@@ -146,18 +152,23 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
     class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
         final ImageView ivTxType;
         final TextView tvAmount;
-        final TextView tvFee;
+        final TextView tvFailed;
         final TextView tvPaymentId;
         final TextView tvDateTime;
+        final CircularProgressIndicator pbConfirmations;
+        final TextView tvConfirmations;
         TransactionInfo infoItem;
 
         ViewHolder(View itemView) {
             super(itemView);
             ivTxType = itemView.findViewById(R.id.ivTxType);
             tvAmount = itemView.findViewById(R.id.tx_amount);
-            tvFee = itemView.findViewById(R.id.tx_fee);
+            tvFailed = itemView.findViewById(R.id.tx_failed);
             tvPaymentId = itemView.findViewById(R.id.tx_paymentid);
             tvDateTime = itemView.findViewById(R.id.tx_datetime);
+            pbConfirmations = itemView.findViewById(R.id.pbConfirmations);
+            pbConfirmations.setMax(TransactionInfo.CONFIRMATION);
+            tvConfirmations = itemView.findViewById(R.id.tvConfirmations);
         }
 
         private String getDateTime(long time) {
@@ -182,7 +193,7 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
                     ivTxType.setVisibility(View.GONE);
                 }
             } else {
-                ivTxType.setVisibility(View.GONE); // gives us more space for the amount
+                ivTxType.setVisibility(View.GONE);
             }
 
             String displayAmount = Helper.getDisplayAmount(infoItem.amount, Helper.DISPLAY_DIGITS_INFO);
@@ -192,25 +203,39 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
                 tvAmount.setText(context.getString(R.string.tx_list_amount_positive, displayAmount));
             }
 
-            if ((infoItem.fee > 0)) {
-                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 {
-                tvFee.setText("");
-                tvFee.setVisibility(View.GONE);
-            }
+            tvFailed.setVisibility(View.GONE);
             if (infoItem.isFailed) {
                 this.tvAmount.setText(context.getString(R.string.tx_list_amount_failed, displayAmount));
-                this.tvFee.setText(context.getString(R.string.tx_list_failed_text));
-                tvFee.setVisibility(View.VISIBLE);
+                tvFailed.setVisibility(View.VISIBLE);
                 setTxColour(failedColour);
+                pbConfirmations.setVisibility(View.GONE);
+                tvConfirmations.setVisibility(View.GONE);
             } else if (infoItem.isPending) {
                 setTxColour(pendingColour);
+                pbConfirmations.setVisibility(View.GONE);
+                pbConfirmations.setIndeterminate(true);
+                pbConfirmations.setVisibility(View.VISIBLE);
+                tvConfirmations.setVisibility(View.GONE);
             } else if (infoItem.direction == TransactionInfo.Direction.Direction_In) {
                 setTxColour(inboundColour);
+                if (!infoItem.isConfirmed()) {
+                    pbConfirmations.setVisibility(View.VISIBLE);
+                    final int confirmations = (int) infoItem.confirmations;
+                    pbConfirmations.setProgressCompat(confirmations, true);
+                    final String confCount = Integer.toString(confirmations);
+                    tvConfirmations.setText(confCount);
+                    if (confCount.length() == 1) // we only have space for character in the progress circle
+                        tvConfirmations.setVisibility(View.VISIBLE);
+                    else
+                        tvConfirmations.setVisibility(View.GONE);
+                } else {
+                    pbConfirmations.setVisibility(View.GONE);
+                    tvConfirmations.setVisibility(View.GONE);
+                }
             } else {
                 setTxColour(outboundColour);
+                pbConfirmations.setVisibility(View.GONE);
+                tvConfirmations.setVisibility(View.GONE);
             }
 
             String tag = null;

app/src/main/java/com/m2049r/xmrwallet/model/TransactionHistory.java

@@ -43,7 +43,7 @@ public class TransactionHistory {
         this.accountIndex = accountIndex;
     }
 
-    public void loadNotes(Wallet wallet) {
+    private void loadNotes(Wallet wallet) {
         for (TransactionInfo info : transactions) {
             info.notes = wallet.getUserNote(info.hash);
         }
@@ -61,30 +61,22 @@ public class TransactionHistory {
 
     private List<TransactionInfo> transactions = new ArrayList<>();
 
-    public void refreshWithNotes(Wallet wallet) {
+    void refreshWithNotes(Wallet wallet) {
         refresh();
         loadNotes(wallet);
     }
 
-//    public void refresh() {
-//        transactions = refreshJ();
-//    }
-
-    public void refresh() {
+    private void refresh() {
         List<TransactionInfo> transactionInfos = refreshJ();
-        Timber.d("refreshed %d", transactionInfos.size());
+        Timber.d("refresh size=%d", transactionInfos.size());
         for (Iterator<TransactionInfo> iterator = transactionInfos.iterator(); iterator.hasNext(); ) {
             TransactionInfo info = iterator.next();
             if (info.accountIndex != accountIndex) {
                 iterator.remove();
-                Timber.d("removed %s", info.hash);
-            } else {
-                Timber.d("kept %s", info.hash);
             }
         }
         transactions = transactionInfos;
     }
 
     private native List<TransactionInfo> refreshJ();
-
 }

app/src/main/java/com/m2049r/xmrwallet/model/TransactionInfo.java

@@ -29,6 +29,8 @@ import lombok.RequiredArgsConstructor;
 // this is not the TransactionInfo from the API as that is owned by the TransactionHistory
 // this is a POJO for the TransactionInfoAdapter
 public class TransactionInfo implements Parcelable, Comparable<TransactionInfo> {
+    public static final int CONFIRMATION = 10; // blocks
+
     @RequiredArgsConstructor
     public enum Direction {
         Direction_In(0),
@@ -98,6 +100,10 @@ public class TransactionInfo implements Parcelable, Comparable<TransactionInfo>
         this.transfers = transfers;
     }
 
+    public boolean isConfirmed() {
+        return confirmations >= CONFIRMATION;
+    }
+
     public String getDisplayLabel() {
         if (subaddressLabel.isEmpty() || (Subaddress.DEFAULT_LABEL_FORMATTER.matcher(subaddressLabel).matches()))
             return ("#" + addressIndex);

app/src/main/java/com/m2049r/xmrwallet/model/Wallet.java

@@ -75,7 +75,7 @@ public class Wallet {
         @Override
         @NonNull
         public String toString() {
-            return "Wallet.Status: (" + status + "/" + errorString + ", " + connectionStatus;
+            return "Wallet.Status: " + status + "/" + errorString + "/" + connectionStatus;
         }
     }
 
@@ -129,7 +129,7 @@ public class Wallet {
         ConnectionStatus_WrongVersion
     }
 
-    public native String getSeed();
+    public native String getSeed(String offset);
 
     public native String getSeedLanguage();
 
@@ -147,7 +147,7 @@ public class Wallet {
 
     private native Status statusWithErrorString();
 
-    public native boolean setPassword(String password);
+    public native synchronized boolean setPassword(String password);
 
     public String getAddress() {
         return getAddress(accountIndex);
@@ -203,12 +203,10 @@ public class Wallet {
     public native String getSecretSpendKey();
 
     public boolean store() {
-        final boolean ok = store("");
-        Timber.d("stored");
-        return ok;
+        return store("");
     }
 
-    public native boolean store(String path);
+    public native synchronized boolean store(String path);
 
     public boolean close() {
         disposePendingTransaction();
@@ -247,6 +245,8 @@ public class Wallet {
 //TODO virtual void setTrustedDaemon(bool arg) = 0;
 //TODO virtual bool trustedDaemon() const = 0;
 
+    public native boolean setProxy(String address);
+
     public long getBalance() {
         return getBalance(accountIndex);
     }
@@ -273,12 +273,14 @@ public class Wallet {
 
     public native long getDaemonBlockChainTargetHeight();
 
-    public native boolean isSynchronizedJ();
+    boolean synced = false;
 
     public boolean isSynchronized() {
-        final long daemonHeight = getDaemonBlockChainHeight();
-        if (daemonHeight == 0) return false;
-        return isSynchronizedJ() && (getBlockChainHeight() == daemonHeight);
+        return synced;
+    }
+
+    public void setSynchronized() {
+        this.synced = true;
     }
 
     public static native String getDisplayAmount(long amount);
@@ -309,7 +311,12 @@ public class Wallet {
 
     public native void refreshAsync();
 
-    public native void rescanBlockchainAsync();
+    public native void rescanBlockchainAsyncJ();
+
+    public void rescanBlockchainAsync() {
+        synced = false;
+        rescanBlockchainAsyncJ();
+    }
 
 //TODO virtual void setAutoRefreshInterval(int millis) = 0;
 //TODO virtual int autoRefreshInterval() const = 0;
@@ -391,6 +398,10 @@ public class Wallet {
 
     private native long getHistoryJ();
 
+    public void refreshHistory() {
+        getHistory().refreshWithNotes(this);
+    }
+
 //virtual AddressBook * addressBook() const = 0;
 //virtual void setListener(WalletListener *) = 0;
 
@@ -455,7 +466,7 @@ public class Wallet {
 
     public void setSubaddressLabel(int addressIndex, String label) {
         setSubaddressLabel(accountIndex, addressIndex, label);
-        getHistory().refreshWithNotes(this);
+        refreshHistory();
     }
 
     public native void setSubaddressLabel(int accountIndex, int addressIndex, String label);

app/src/main/java/com/m2049r/xmrwallet/model/WalletManager.java

@@ -124,19 +124,19 @@ public class WalletManager {
 
     private native long openWalletJ(String path, String password, int networkType);
 
-    public Wallet recoveryWallet(File aFile, String password, String mnemonic) {
-        return recoveryWallet(aFile, password, mnemonic, 0);
-    }
-
-    public Wallet recoveryWallet(File aFile, String password, String mnemonic, long restoreHeight) {
-        long walletHandle = recoveryWalletJ(aFile.getAbsolutePath(), password, mnemonic,
+    public Wallet recoveryWallet(File aFile, String password,
+                                 String mnemonic, String offset,
+                                 long restoreHeight) {
+        long walletHandle = recoveryWalletJ(aFile.getAbsolutePath(), password,
+                mnemonic, offset,
                 getNetworkType().getValue(), restoreHeight);
         Wallet wallet = new Wallet(walletHandle);
         manageWallet(wallet);
         return wallet;
     }
 
-    private native long recoveryWalletJ(String path, String password, String mnemonic,
+    private native long recoveryWalletJ(String path, String password,
+                                        String mnemonic, String offset,
                                         int networkType, long restoreHeight);
 
     public Wallet createWalletWithKeys(File aFile, String password, String language, long restoreHeight,
@@ -309,6 +309,8 @@ public class WalletManager {
 
     public native String resolveOpenAlias(String address, boolean dnssec_valid);
 
+    public native boolean setProxy(String address);
+
 //TODO static std::tuple<bool, std::string, std::string, std::string, std::string> checkUpdates(const std::string &software, const std::string &subdir);
 
     static public native void initLogger(String argv0, String defaultLogBaseName);

app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java

@@ -45,6 +45,7 @@ import com.m2049r.xmrwallet.model.WalletListener;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 
 import timber.log.Timber;
 
@@ -108,23 +109,23 @@ public class WalletService extends Service {
             Timber.d("unconfirmedMoneyReceived() %d @ %s", amount, txId);
         }
 
-        long lastBlockTime = 0;
-        int lastTxCount = 0;
+        private long lastBlockTime = 0;
+        private int lastTxCount = 0;
 
         public void newBlock(long height) {
-            Wallet wallet = getWallet();
+            final Wallet wallet = getWallet();
             if (wallet == null) throw new IllegalStateException("No wallet!");
             // don't flood with an update for every block ...
             if (lastBlockTime < System.currentTimeMillis() - 2000) {
-                Timber.d("newBlock() @ %d with observer %s", height, observer);
                 lastBlockTime = System.currentTimeMillis();
+                Timber.d("newBlock() @ %d with observer %s", height, observer);
                 if (observer != null) {
                     boolean fullRefresh = false;
                     updateDaemonState(wallet, wallet.isSynchronized() ? height : 0);
                     if (!wallet.isSynchronized()) {
                         updated = true;
                         // we want to see our transactions as they come in
-                        wallet.getHistory().refresh();
+                        wallet.refreshHistory();
                         int txCount = wallet.getHistory().getCount();
                         if (txCount > lastTxCount) {
                             // update the transaction list only if we have more than before
@@ -145,17 +146,16 @@ public class WalletService extends Service {
             updated = true;
         }
 
-        public void refreshed() {
+        public void refreshed() { // this means it's synced
             Timber.d("refreshed()");
-            Wallet wallet = getWallet();
+            final Wallet wallet = getWallet();
             if (wallet == null) throw new IllegalStateException("No wallet!");
+            wallet.setSynchronized();
             if (updated) {
+                updateDaemonState(wallet, wallet.getBlockChainHeight());
+                wallet.refreshHistory();
                 if (observer != null) {
-                    updateDaemonState(wallet, 0);
-                    wallet.getHistory().refreshWithNotes(wallet);
-                    if (observer != null) {
-                        updated = !observer.onRefreshed(wallet, true);
-                    }
+                    updated = !observer.onRefreshed(wallet, true);
                 }
             }
         }
@@ -532,6 +532,7 @@ public class WalletService extends Service {
             Timber.d("Using daemon %s", WalletManager.getInstance().getDaemonAddress());
             showProgress(55);
             wallet.init(0);
+            wallet.setProxy(NetCipherHelper.getProxy());
             showProgress(90);
         }
         return wallet;

app/src/main/java/com/m2049r/xmrwallet/service/exchange/ecb/ExchangeApiImpl.java

@@ -25,6 +25,7 @@ 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 com.m2049r.xmrwallet.util.NetCipherHelper;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
@@ -48,26 +49,21 @@ 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;
+    public ExchangeApiImpl(@NonNull final HttpUrl baseUrl) {
         this.baseUrl = baseUrl;
     }
 
-    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient) {
-        this(okHttpClient, HttpUrl.parse("https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml"));
+    public ExchangeApiImpl() {
+        this(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
     }
 
@@ -122,9 +118,8 @@ public class ExchangeApiImpl implements ExchangeApi {
             }
         }
 
-        final Request httpRequest = createHttpRequest(baseUrl);
-
-        okHttpClient.newCall(httpRequest).enqueue(new okhttp3.Callback() {
+        final NetCipherHelper.Request httpRequest = new NetCipherHelper.Request(baseUrl);
+        httpRequest.enqueue(new okhttp3.Callback() {
             @Override
             public void onFailure(final Call call, final IOException ex) {
                 callback.onError(ex);
@@ -155,13 +150,6 @@ public class ExchangeApiImpl implements ExchangeApi {
         });
     }
 
-    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;

app/src/main/java/com/m2049r/xmrwallet/service/exchange/kraken/ExchangeApiImpl.java

@@ -24,6 +24,7 @@ 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 com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -33,27 +34,21 @@ import java.io.IOException;
 
 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;
-
     private final HttpUrl baseUrl;
 
     //so we can inject the mockserver url
     @VisibleForTesting
-    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient, final HttpUrl baseUrl) {
-        this.okHttpClient = okHttpClient;
+    public ExchangeApiImpl(final HttpUrl baseUrl) {
         this.baseUrl = baseUrl;
     }
 
-    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient) {
-        this(okHttpClient, HttpUrl.parse("https://api.kraken.com/0/public/Ticker"));
+    public ExchangeApiImpl() {
+        this(HttpUrl.parse("https://api.kraken.com/0/public/Ticker"));
     }
 
     @Override
@@ -86,9 +81,8 @@ public class ExchangeApiImpl implements ExchangeApi {
                 .addQueryParameter("pair", base + (quote.equals("BTC") ? "XBT" : quote))
                 .build();
 
-        final Request httpRequest = createHttpRequest(url);
-
-        okHttpClient.newCall(httpRequest).enqueue(new okhttp3.Callback() {
+        final NetCipherHelper.Request httpRequest = new NetCipherHelper.Request(url);
+        httpRequest.enqueue(new okhttp3.Callback() {
             @Override
             public void onFailure(final Call call, final IOException ex) {
                 callback.onError(ex);
@@ -127,11 +121,4 @@ public class ExchangeApiImpl implements ExchangeApi {
             callback.onError(ex);
         }
     }
-
-    private Request createHttpRequest(final HttpUrl url) {
-        return new Request.Builder()
-                .url(url)
-                .get()
-                .build();
-    }
 }

app/src/main/java/com/m2049r/xmrwallet/service/exchange/krakenEcb/ExchangeApiImpl.java

@@ -35,13 +35,6 @@ import timber.log.Timber;
 public class ExchangeApiImpl implements ExchangeApi {
     static public final String BASE_FIAT = "EUR";
 
-    @NonNull
-    private final OkHttpClient okHttpClient;
-
-    public ExchangeApiImpl(@NonNull final OkHttpClient okHttpClient) {
-        this.okHttpClient = okHttpClient;
-    }
-
     @Override
     public void queryExchangeRate(@NonNull final String baseCurrency, @NonNull final String quoteCurrency,
                                   @NonNull final ExchangeCallback callback) {
@@ -61,13 +54,13 @@ public class ExchangeApiImpl implements ExchangeApi {
         final String quote = Helper.BASE_CRYPTO.equals(baseCurrency) ? quoteCurrency : baseCurrency;
 
         final ExchangeApi krakenApi =
-                new com.m2049r.xmrwallet.service.exchange.kraken.ExchangeApiImpl(okHttpClient);
+                new com.m2049r.xmrwallet.service.exchange.kraken.ExchangeApiImpl();
         krakenApi.queryExchangeRate(Helper.BASE_CRYPTO, BASE_FIAT, new ExchangeCallback() {
             @Override
             public void onSuccess(final ExchangeRate krakenRate) {
                 Timber.d("kraken = %f", krakenRate.getRate());
                 final ExchangeApi ecbApi =
-                        new com.m2049r.xmrwallet.service.exchange.ecb.ExchangeApiImpl(okHttpClient);
+                        new com.m2049r.xmrwallet.service.exchange.ecb.ExchangeApiImpl();
                 ecbApi.queryExchangeRate(BASE_FIAT, quote, new ExchangeCallback() {
                     @Override
                     public void onSuccess(final ExchangeRate ecbRate) {