diff --git a/src/appcontext.cpp b/src/appcontext.cpp
index 92f7b0f..638705b 100644
--- a/src/appcontext.cpp
+++ b/src/appcontext.cpp
@@ -134,11 +134,11 @@ AppContext::AppContext(QCommandLineParser *cmdargs) {
     auto genesis_timestamp = this->restoreHeights[NetworkType::Type::MAINNET]->data.firstKey();
     AppContext::txFiatHistory = new TxFiatHistory(genesis_timestamp, this->configDirectory);
     connect(this->ws, &WSClient::connectionEstablished, AppContext::txFiatHistory, &TxFiatHistory::onUpdateDatabase);
-    connect(AppContext::txFiatHistory, &TxFiatHistory::requestYear, [=](unsigned int year){
+    connect(AppContext::txFiatHistory, &TxFiatHistory::requestYear, [=](int year){
         QByteArray data = QString(R"({"cmd": "txFiatHistory", "data": {"year": %1}})").arg(year).toUtf8();
         this->ws->sendMsg(data);
     });
-    connect(AppContext::txFiatHistory, &TxFiatHistory::requestYearMonth, [=](unsigned int year, unsigned int month) {
+    connect(AppContext::txFiatHistory, &TxFiatHistory::requestYearMonth, [=](int year, int month) {
         QByteArray data = QString(R"({"cmd": "txFiatHistory", "data": {"year": %1, "month": %2}})").arg(year).arg(month).toUtf8();
         this->ws->sendMsg(data);
     });
@@ -378,22 +378,22 @@ void AppContext::onWSMessage(const QJsonObject &msg) {
         auto changed = false;
 
         if(!this->heights.contains("mainnet")) {
-            this->heights["mainnet"] = (unsigned int) mainnet;
+            this->heights["mainnet"] = mainnet;
             changed = true;
         }
         else {
             if (mainnet > this->heights["mainnet"]) {
-                this->heights["mainnet"] = (unsigned int) mainnet;
+                this->heights["mainnet"] = mainnet;
                 changed = true;
             }
         }
         if(!this->heights.contains("stagenet")) {
-            this->heights["stagenet"] = (unsigned int) stagenet;
+            this->heights["stagenet"] = stagenet;
             changed = true;
         }
         else {
             if (stagenet > this->heights["stagenet"]) {
-                this->heights["stagenet"] = (unsigned int) stagenet;
+                this->heights["stagenet"] = stagenet;
                 changed = true;
             }
         }
@@ -605,7 +605,7 @@ void AppContext::initRestoreHeights() {
     restoreHeights[NetworkType::MAINNET] = RestoreHeightLookup::fromFile(":/assets/restore_heights_monero_mainnet.txt", NetworkType::MAINNET);
 }
 
-void AppContext::onSetRestoreHeight(unsigned int height){
+void AppContext::onSetRestoreHeight(quint64 height){
     auto seed = this->currentWallet->getCacheAttribute("feather.seed");
     if(!seed.isEmpty()) {
         const auto msg = "This wallet has a 14 word mnemonic seed which has the restore height embedded.";
diff --git a/src/appcontext.h b/src/appcontext.h
index 6670b5e..71d80f6 100644
--- a/src/appcontext.h
+++ b/src/appcontext.h
@@ -66,9 +66,9 @@ public:
 
     static void createConfigDirectory(const QString &dir) ;
 
-    QMap<QString, unsigned int> heights;
+    QMap<QString, int> heights;
     QMap<NetworkType::Type, RestoreHeightLookup*> restoreHeights;
-    const unsigned int kdfRounds = 1;
+    const quint64 kdfRounds = 1;
     PendingTransaction::Priority tx_priority = PendingTransaction::Priority::Priority_Low;
     quint32 tx_mixin = static_cast<const quint32 &>(10);
     QString seedLanguage = "English";  // 14 word `monero-seed` only has English
@@ -90,7 +90,6 @@ public:
     static TxFiatHistory *txFiatHistory;
 
     // libwalletqt
-    unsigned int blockHeight = 0;
     bool refreshed = false;
     WalletManager *walletManager;
     Wallet *currentWallet = nullptr;
@@ -116,7 +115,7 @@ public slots:
     void onSweepOutput(const QString &keyImage, QString address, bool churn, int outputs) const;
     void onCreateTransactionError(const QString &msg);
     void onOpenAliasResolve(const QString &openAlias);
-    void onSetRestoreHeight(unsigned int height);
+    void onSetRestoreHeight(quint64 height);
     void onPreferredFiatCurrencyChanged(const QString &symbol);
 
 private slots:
@@ -142,7 +141,7 @@ signals:
     void blockchainSync(int height, int target);
     void refreshSync(int height, int target);
     void synchronized();
-    void blockHeightWSUpdated(QMap<QString, unsigned int> heights);
+    void blockHeightWSUpdated(QMap<QString, int> heights);
     void walletSynchronized();
     void walletOpened();
     void walletClosed();
@@ -164,7 +163,7 @@ signals:
     void openAliasResolveError(const QString &msg);
     void openAliasResolved(const QString &address, const QString &openAlias);
     void setRestoreHeightError(const QString &msg);
-    void customRestoreHeightSet(unsigned int height);
+    void customRestoreHeightSet(int height);
     void closeApplication();
     void donationNag();
     void initiateTransaction();
@@ -173,7 +172,7 @@ signals:
     void setTitle(const QString &title); // set window title
 
 private:
-    const unsigned int m_donationBoundary = 15;
+    const int m_donationBoundary = 15;
     UtilsNetworking *m_utilsNetworkingNodes;
     QTimer *m_storeTimer = new QTimer(this);
     QUrl m_wsUrl = QUrl(QStringLiteral("ws://7e6egbawekbkxzkv4244pqeqgoo4axko2imgjbedwnn6s5yb6b7oliqd.onion/ws"));
diff --git a/src/dialog/restoredialog.cpp b/src/dialog/restoredialog.cpp
index e6363bb..48d6867 100644
--- a/src/dialog/restoredialog.cpp
+++ b/src/dialog/restoredialog.cpp
@@ -24,7 +24,7 @@ RestoreDialog::RestoreDialog(AppContext *ctx, QWidget *parent)
     }
 }
 
-unsigned int RestoreDialog::getHeight() {
+int RestoreDialog::getHeight() {
     return ui->restoreHeightWidget->getHeight();
 }
 
diff --git a/src/dialog/restoredialog.h b/src/dialog/restoredialog.h
index d45ae05..60d62e3 100644
--- a/src/dialog/restoredialog.h
+++ b/src/dialog/restoredialog.h
@@ -24,7 +24,7 @@ Q_OBJECT
 public:
     explicit RestoreDialog(AppContext *ctx, QWidget *parent = nullptr);
     void initRestoreHeights(RestoreHeightLookup *lookup);
-    unsigned int getHeight();
+    int getHeight();
     ~RestoreDialog() override;
 
 signals:
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 92846d0..d33cd97 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -451,7 +451,7 @@ void MainWindow::initMenu() {
 
     // set restore height
     connect(ui->actionChange_restore_height, &QAction::triggered, this, &MainWindow::showRestoreHeightDialog);
-    connect(m_ctx, &AppContext::customRestoreHeightSet, [=](unsigned int height){
+    connect(m_ctx, &AppContext::customRestoreHeightSet, [=](int height){
         auto msg = QString("The restore height for this wallet has been set to %1. "
                    "Please re-open the wallet. Feather will now quit.").arg(height);
         QMessageBox::information(this, "Cannot set custom restore height", msg);
diff --git a/src/model/NodeModel.cpp b/src/model/NodeModel.cpp
index 60ff93e..504a195 100644
--- a/src/model/NodeModel.cpp
+++ b/src/model/NodeModel.cpp
@@ -5,7 +5,7 @@
 #include <utils/nodes.h>
 #include "appcontext.h"
 
-NodeModel::NodeModel(unsigned int nodeSource, QObject *parent)
+NodeModel::NodeModel(int nodeSource, QObject *parent)
         : QAbstractTableModel(parent)
         , m_nodeSource(nodeSource)
         , m_offline(QIcon(":/assets/images/expired_icon.png"))
diff --git a/src/model/NodeModel.h b/src/model/NodeModel.h
index ea4a42e..c128d62 100644
--- a/src/model/NodeModel.h
+++ b/src/model/NodeModel.h
@@ -19,7 +19,7 @@ public:
         COUNT
     };
 
-    explicit NodeModel(unsigned int nodeSource, QObject *parent = nullptr);
+    explicit NodeModel(int nodeSource, QObject *parent = nullptr);
 
     int rowCount(const QModelIndex &parent) const override;
     int columnCount(const QModelIndex &parent) const override;
@@ -34,7 +34,7 @@ private:
     QList<FeatherNode> m_nodes;
     QIcon m_offline;
     QIcon m_online;
-    unsigned int m_nodeSource;
+    int m_nodeSource;
 };
 
 #endif //FEATHER_NODEMODEL_H
diff --git a/src/utils/seeds.h b/src/utils/seeds.h
index aedc518..13dd7e3 100644
--- a/src/utils/seeds.h
+++ b/src/utils/seeds.h
@@ -19,44 +19,44 @@
 
 struct RestoreHeightLookup {
     NetworkType::Type type;
-    QMap<unsigned int, unsigned int> data;
+    QMap<int, int> data;
     explicit RestoreHeightLookup(NetworkType::Type type) : type(type) {}
 
-    unsigned int dateToRestoreHeight(unsigned int date) {
+    int dateToRestoreHeight(int date) {
         // restore height based on a given timestamp using a lookup
         // table. If it cannot find the date in the lookup table, it
         // will calculate the blockheight based off the last known
         // date: ((now - lastKnownDate) / blockTime) - clearance
 
         if(this->type == NetworkType::TESTNET) return 1;
-        unsigned int blockTime = 120;
-        unsigned int blocksPerDay = 86400 / blockTime;
-        unsigned int blockCalcClearance = blocksPerDay * 5;
-        QList<unsigned int> values = this->data.keys();
+        int blockTime = 120;
+        int blocksPerDay = 86400 / blockTime;
+        int blockCalcClearance = blocksPerDay * 5;
+        QList<int> values = this->data.keys();
         if(date <= values.at(0))
             return this->data[values.at(0)];
-        for(unsigned int i = 0; i != values.count(); i++) {
+        for(int i = 0; i != values.count(); i++) {
             if(values[i] > date) {
                 return i - 1 < 0 ? this->data[values[i]] : this->data[values[i-1]] - blockCalcClearance;
             }
         }
 
         // lookup failed, calculate blockheight from last known checkpoint
-        unsigned int lastBlockHeightTime = values.at(values.count() - 1);
-        unsigned int lastBlockHeight = this->data[lastBlockHeightTime];
-        unsigned int deltaTime = date - lastBlockHeightTime;
-        unsigned int deltaBlocks = deltaTime / blockTime;
-        unsigned int blockHeight = (lastBlockHeight + deltaBlocks) - blockCalcClearance;
+        int lastBlockHeightTime = values.at(values.count() - 1);
+        int lastBlockHeight = this->data[lastBlockHeightTime];
+        int deltaTime = date - lastBlockHeightTime;
+        int deltaBlocks = deltaTime / blockTime;
+        int blockHeight = (lastBlockHeight + deltaBlocks) - blockCalcClearance;
         qDebug() << "Calculated blockheight: " << blockHeight << " from epoch " << date;
         return blockHeight;
     }
 
-    unsigned int restoreHeightToDate(unsigned int height) {
+    int restoreHeightToDate(int height) {
         // @TODO: most likely inefficient, refactor
-        QMap<unsigned int, unsigned int>::iterator i;
-        unsigned int timestamp = 0;
+        QMap<int, int>::iterator i;
+        int timestamp = 0;
         for (i = this->data.begin(); i != this->data.end(); ++i) {
-            unsigned int ts = i.key();
+            int ts = i.key();
             if (i.value() > height)
                 return timestamp;
             timestamp = ts;
@@ -68,7 +68,7 @@ struct RestoreHeightLookup {
         // initialize this class using a lookup table, e.g `:/assets/restore_heights_monero_mainnet.txt`/
         auto rtn = new RestoreHeightLookup(type);
         auto data = Utils::barrayToString(Utils::fileOpen(fn));
-        QMap<unsigned int, unsigned int> _data;
+        QMap<int, int> _data;
         for(const auto &line: data.split('\n')) {
             if(line.trimmed().isEmpty()) continue;
             auto spl = line.trimmed().split(':');
@@ -82,7 +82,7 @@ struct FeatherSeed {
     QString mnemonicSeed;
     QString spendKey;
     time_t time = 0;
-    unsigned int restoreHeight = 0;
+    int restoreHeight = 0;
     RestoreHeightLookup *lookup = nullptr;
     QString language;
     std::string coinName;
@@ -124,7 +124,7 @@ struct FeatherSeed {
         return rtn;
     }
 
-    Wallet *writeWallet(WalletManager *manager, NetworkType::Type type, const QString &path, const QString &password, unsigned int kdfRounds) {
+    Wallet *writeWallet(WalletManager *manager, NetworkType::Type type, const QString &path, const QString &password, quint64 kdfRounds) {
         // writes both 14/25 word mnemonic seeds.
         Wallet *wallet = nullptr;
         if(this->lookup == nullptr) return wallet;
@@ -136,25 +136,25 @@ struct FeatherSeed {
                 this->restoreHeight = _seed.restoreHeight;
                 this->spendKey = _seed.spendKey;
             }
-            wallet = manager->createDeterministicWalletFromSpendKey(path, password, this->language, type, this->spendKey, this->restoreHeight, (quint64)kdfRounds);
+            wallet = manager->createDeterministicWalletFromSpendKey(path, password, this->language, type, this->spendKey, this->restoreHeight, kdfRounds);
             wallet->setCacheAttribute("feather.seed", this->mnemonicSeed);
         } else {
-            wallet = manager->recoveryWallet(path, password, this->mnemonicSeed, "", type, this->restoreHeight, (quint64) kdfRounds);
+            wallet = manager->recoveryWallet(path, password, this->mnemonicSeed, "", type, this->restoreHeight, kdfRounds);
         }
 
         wallet->setPassword(password);
         return wallet;
     }
 
-    unsigned int setRestoreHeight() {
+    int setRestoreHeight() {
         if(this->lookup == nullptr) return 1;
         if(this->time == 0) return 1;
-        this->restoreHeight = this->lookup->dateToRestoreHeight((unsigned int)this->time);
+        this->restoreHeight = this->lookup->dateToRestoreHeight(this->time);
         return this->restoreHeight;
     }
 
-    unsigned int setRestoreHeight(unsigned int height) {
-        auto now = (unsigned int)std::time(nullptr);
+    int setRestoreHeight(int height) {
+        auto now = std::time(nullptr);
         auto nowClearance = 3600 * 24;
         auto currentBlockHeight = this->lookup->dateToRestoreHeight(now - nowClearance);
         if(height >= currentBlockHeight + nowClearance) {
diff --git a/src/utils/txfiathistory.cpp b/src/utils/txfiathistory.cpp
index 8d82271..40e2033 100644
--- a/src/utils/txfiathistory.cpp
+++ b/src/utils/txfiathistory.cpp
@@ -7,7 +7,7 @@
 #include "txfiathistory.h"
 #include "utils/utils.h"
 
-TxFiatHistory::TxFiatHistory(unsigned int genesis_timestamp, const QString &configDirectory, QObject *parent) :
+TxFiatHistory::TxFiatHistory(int genesis_timestamp, const QString &configDirectory, QObject *parent) :
         QObject(parent),
         m_genesis_timestamp(genesis_timestamp),
         m_configDirectory(configDirectory) {
@@ -15,7 +15,7 @@ TxFiatHistory::TxFiatHistory(unsigned int genesis_timestamp, const QString &conf
     this->loadDatabase();
 }
 
-double TxFiatHistory::get(unsigned int timestamp) {
+double TxFiatHistory::get(int timestamp) {
     QDateTime ts;
     ts.setTime_t(timestamp);
     auto key = ts.toString("yyyyMMdd");
@@ -59,7 +59,7 @@ void TxFiatHistory::onUpdateDatabase() {
 
     auto now = QDate::currentDate();
     auto nowKey = now.toString("yyyyMMdd");
-    unsigned int year = genesis.toString("yyyy").toUInt();
+    int year = genesis.toString("yyyy").toInt();
     auto yearCurrent = now.year();
 
     // if current year is genesis year we'll refresh regardless.
@@ -71,7 +71,7 @@ void TxFiatHistory::onUpdateDatabase() {
 
     // keep local fiatTxHistory database up to date, loop for missing dates
     for(year; year != yearCurrent + 1; year += 1){
-        for(unsigned int month = 1; month != 13; month++) {
+        for(int month = 1; month != 13; month++) {
             if(year == yearCurrent && month == now.month() && now.day() == 1) break;
             QDateTime _now;
             _now.setDate(QDate(year, month, 1));
diff --git a/src/utils/txfiathistory.h b/src/utils/txfiathistory.h
index 632c581..5370bf1 100644
--- a/src/utils/txfiathistory.h
+++ b/src/utils/txfiathistory.h
@@ -6,17 +6,17 @@ class TxFiatHistory : public QObject {
     Q_OBJECT
 
 public:
-    explicit TxFiatHistory(unsigned int genesis_timestamp, const QString &configDirectory, QObject *parent = nullptr);
+    explicit TxFiatHistory(int genesis_timestamp, const QString &configDirectory, QObject *parent = nullptr);
     double get(const QString &date);
-    double get(unsigned int timestamp);
+    double get(int timestamp);
 
 public slots:
     void onUpdateDatabase();
     void onWSData(const QJsonObject &data);
 
 signals:
-    void requestYear(unsigned int year);
-    void requestYearMonth(unsigned int year, unsigned int month);
+    void requestYear(int year);
+    void requestYearMonth(int year, int month);
 
 private:
     void loadDatabase();
@@ -25,7 +25,7 @@ private:
     QString m_configDirectory;
     bool m_initialized = false;
     QMap<QString, double> m_database;
-    unsigned int m_genesis_timestamp;
+    int m_genesis_timestamp;
 };
 
 #endif //FEATHER_TXFIATHISTORY_H
diff --git a/src/utils/xmrig.cpp b/src/utils/xmrig.cpp
index 702f868..de353cc 100644
--- a/src/utils/xmrig.cpp
+++ b/src/utils/xmrig.cpp
@@ -33,7 +33,7 @@ void XmRig::stop() {
 }
 
 void XmRig::start(const QString &path,
-                  unsigned int threads,
+                  int threads,
                   const QString &address,
                   const QString &username,
                   const QString &password,
diff --git a/src/utils/xmrig.h b/src/utils/xmrig.h
index 0835947..34ad6cf 100644
--- a/src/utils/xmrig.h
+++ b/src/utils/xmrig.h
@@ -23,7 +23,7 @@ public:
     explicit XmRig(const QString &configDir, QObject *parent = nullptr);
     void prepare();
 
-    void start(const QString &path, unsigned int threads, const QString &address, const QString &username, const QString &password, bool tor = false, bool tls = true);
+    void start(const QString &path, int threads, const QString &address, const QString &username, const QString &password, bool tor = false, bool tls = true);
     void stop();
     bool unpackBins();
 
diff --git a/src/widgets/restoreheightwidget.cpp b/src/widgets/restoreheightwidget.cpp
index e9fa4a8..3d8a88a 100644
--- a/src/widgets/restoreheightwidget.cpp
+++ b/src/widgets/restoreheightwidget.cpp
@@ -36,8 +36,8 @@ void RestoreHeightWidget::hideSlider(){
 void RestoreHeightWidget::initRestoreHeights(RestoreHeightLookup *lookup) {
     // init slider
     m_restoreHeightLookup = lookup;
-    auto now = (unsigned int)std::time(nullptr);
-    QList<unsigned int> blockDates = m_restoreHeightLookup->data.keys();
+    int now = std::time(nullptr);
+    QList<int> blockDates = m_restoreHeightLookup->data.keys();
     ui->restoreSlider->setMinimum(blockDates[0]);
     ui->restoreSlider->setMaximum(now);
     connect(ui->restoreSlider, &QSlider::valueChanged, this, &RestoreHeightWidget::onValueChanged);
@@ -45,14 +45,14 @@ void RestoreHeightWidget::initRestoreHeights(RestoreHeightLookup *lookup) {
 
 void RestoreHeightWidget::onValueChanged(int date) {
     QDateTime timestamp;
-    timestamp.setTime_t((unsigned int) date);
+    timestamp.setTime_t(date);
     ui->label_restoreHeightDate->setText(timestamp.toString("yyyy-MM-dd"));
-    auto blockHeight = m_restoreHeightLookup->dateToRestoreHeight((unsigned int) date);
+    auto blockHeight = m_restoreHeightLookup->dateToRestoreHeight(date);
     ui->lineEdit_restoreHeight->setText(QString::number(blockHeight));
 }
 
-unsigned int RestoreHeightWidget::getHeight() {
-    return ui->lineEdit_restoreHeight->text().toUInt();
+int RestoreHeightWidget::getHeight() {
+    return ui->lineEdit_restoreHeight->text().toInt();
 }
 
 RestoreHeightWidget::~RestoreHeightWidget() {
diff --git a/src/widgets/restoreheightwidget.h b/src/widgets/restoreheightwidget.h
index 7235943..9ed0d8d 100644
--- a/src/widgets/restoreheightwidget.h
+++ b/src/widgets/restoreheightwidget.h
@@ -20,9 +20,9 @@ class RestoreHeightWidget : public QWidget
 public:
     explicit RestoreHeightWidget(QWidget *parent = nullptr);
     void initRestoreHeights(RestoreHeightLookup *lookup);
-    unsigned int getHeight();
+    int getHeight();
     void hideSlider();
-    ~RestoreHeightWidget();
+    ~RestoreHeightWidget() override;
 
 private slots:
     void onValueChanged(int date);
diff --git a/src/wizard/createwalletseed.h b/src/wizard/createwalletseed.h
index 5f8389e..dcd64c4 100644
--- a/src/wizard/createwalletseed.h
+++ b/src/wizard/createwalletseed.h
@@ -40,7 +40,7 @@ private:
     Ui::CreateWalletSeedPage *ui;
 
     QString m_mnemonic;
-    unsigned int m_restoreHeight;
+    int m_restoreHeight;
 
     bool m_roulette = false;
     int m_rouletteSpin = 15;
diff --git a/src/wizard/restorewallet.cpp b/src/wizard/restorewallet.cpp
index 385dc1b..b5cda94 100644
--- a/src/wizard/restorewallet.cpp
+++ b/src/wizard/restorewallet.cpp
@@ -31,7 +31,7 @@ RestorePage::RestorePage(AppContext *ctx, QWidget *parent) :
     auto data = Utils::fileOpen(":/assets/mnemonic_25_english.txt");
     for(const auto &seed_word: data.split('\n'))
         m_words25 << seed_word;
-    for(unsigned int i = 0; i != 2048; i++)
+    for(int i = 0; i != 2048; i++)
         m_words14 << QString::fromStdString(wordlist::english.get_word(i));
 
     //
@@ -109,7 +109,7 @@ void RestorePage::cleanupPage() const {}
 bool RestorePage::validatePage() {
     ui->label_errorString->hide();
     auto errStyle = "QTextEdit{border: 1px solid red;}";
-    unsigned int restoreHeight = ui->restoreHeightWidget->getHeight();
+    int restoreHeight = ui->restoreHeightWidget->getHeight();
     auto seed = ui->seedEdit->toPlainText().replace("\n", "").replace("\r", "").trimmed();
     auto seedSplit = seed.split(" ");
 
diff --git a/src/wizard/restorewallet.h b/src/wizard/restorewallet.h
index 3a3049d..9f0d8e0 100644
--- a/src/wizard/restorewallet.h
+++ b/src/wizard/restorewallet.h
@@ -33,7 +33,7 @@ private:
     QLabel *topLabel;
     Ui::RestorePage *ui;
 
-    unsigned int m_mode = 14;
+    int m_mode = 14;
     QStringList m_words14;
     QStringList m_words25;
     QStringListModel *m_completer14Model = nullptr;
diff --git a/src/wizard/viewonlywallet.cpp b/src/wizard/viewonlywallet.cpp
index d2ddce0..2c6d8cf 100644
--- a/src/wizard/viewonlywallet.cpp
+++ b/src/wizard/viewonlywallet.cpp
@@ -72,7 +72,7 @@ bool ViewOnlyPage::validatePage() {
     ui->lineEdit_viewkey->setStyleSheet("");
     ui->label_errorString->hide();
 
-    unsigned int restoreHeight = ui->restoreHeightWidget->getHeight();
+    int restoreHeight = ui->restoreHeightWidget->getHeight();
     auto spendkey = ui->lineEdit_spendkey->text().trimmed();
     auto viewkey = ui->lineEdit_viewkey->text().trimmed();
     auto address = ui->lineEdit_address->text().trimmed();