Introduce Send pages for singlesig, single input/output send

src/Makefile.qt.include

@@ -45,8 +45,11 @@ QT_MOC_CPP = \
   qml/models/moc_peerdetailsmodel.cpp \
   qml/models/moc_peerlistsortproxy.cpp \
   qml/models/moc_transaction.cpp \
+  qml/models/moc_sendrecipient.cpp \
   qml/models/moc_walletlistmodel.cpp \
   qml/models/moc_walletqmlmodel.cpp \
+  qml/models/moc_walletqmlmodel.cpp \
+  qml/models/moc_walletqmlmodeltransaction.cpp \
   qml/moc_appmode.cpp \
   qml/moc_bitcoinamount.cpp \
   qml/moc_clipboard.cpp \
@@ -132,8 +135,10 @@ BITCOIN_QT_H = \
   qml/models/peerdetailsmodel.h \
   qml/models/peerlistsortproxy.h \
   qml/models/transaction.h \
+  qml/models/sendrecipient.h \
   qml/models/walletlistmodel.h \
   qml/models/walletqmlmodel.h \
+  qml/models/walletqmlmodeltransaction.h \
   qml/appmode.h \
   qml/clipboard.h \
   qml/bitcoin.h \
@@ -329,8 +334,10 @@ BITCOIN_QML_BASE_CPP = \
   qml/models/peerdetailsmodel.cpp \
   qml/models/peerlistsortproxy.cpp \
   qml/models/transaction.cpp \
+  qml/models/sendrecipient.cpp \
   qml/models/walletlistmodel.cpp \
   qml/models/walletqmlmodel.cpp \
+  qml/models/walletqmlmodeltransaction.cpp \
   qml/imageprovider.cpp \
   qml/util.cpp \
   qml/walletqmlcontroller.cpp
@@ -462,6 +469,9 @@ QML_RES_QML = \
   qml/pages/wallet/CreateWalletWizard.qml \
   qml/pages/wallet/DesktopWallets.qml \
   qml/pages/wallet/RequestPayment.qml \
+  qml/pages/wallet/Send.qml \
+  qml/pages/wallet/SendResult.qml \
+  qml/pages/wallet/SendReview.qml \
   qml/pages/wallet/WalletBadge.qml \
   qml/pages/wallet/WalletSelect.qml
 

src/qml/bitcoin.cpp

@@ -23,16 +23,18 @@
 #include <qml/components/blockclockdial.h>
 #include <qml/controls/linegraph.h>
 #include <qml/guiconstants.h>
+#include <qml/imageprovider.h>
 #include <qml/models/activitylistmodel.h>
 #include <qml/models/chainmodel.h>
 #include <qml/models/networktraffictower.h>
 #include <qml/models/nodemodel.h>
 #include <qml/models/options_model.h>
 #include <qml/models/peerdetailsmodel.h>
 #include <qml/models/peerlistsortproxy.h>
+#include <qml/models/sendrecipient.h>
 #include <qml/models/walletlistmodel.h>
 #include <qml/models/walletqmlmodel.h>
-#include <qml/imageprovider.h>
+#include <qml/models/walletqmlmodeltransaction.h>
 #include <qml/util.h>
 #include <qml/walletqmlcontroller.h>
 #include <qt/guiutil.h>
@@ -337,10 +339,13 @@ int QmlGuiMain(int argc, char* argv[])
     qmlRegisterUncreatableType<PeerDetailsModel>("org.bitcoincore.qt", 1, 0, "PeerDetailsModel", "");
     qmlRegisterType<BitcoinAmount>("org.bitcoincore.qt", 1, 0, "BitcoinAmount");
     qmlRegisterUncreatableType<Transaction>("org.bitcoincore.qt", 1, 0, "Transaction", "");
+    qmlRegisterUncreatableType<SendRecipient>("org.bitcoincore.qt", 1, 0, "SendRecipient", "");
 
 #ifdef ENABLE_WALLET
     qmlRegisterUncreatableType<WalletQmlModel>("org.bitcoincore.qt", 1, 0, "WalletQmlModel",
                                                "WalletQmlModel cannot be instantiated from QML");
+    qmlRegisterUncreatableType<WalletQmlModelTransaction>("org.bitcoincore.qt", 1, 0, "WalletQmlModelTransaction",
+                                                          "WalletQmlModelTransaction cannot be instantiated from QML");
 #endif
 
     engine.load(QUrl(QStringLiteral("qrc:///qml/pages/main.qml")));

src/qml/bitcoin_qml.qrc

@@ -24,7 +24,6 @@
         <file>controls/ContinueButton.qml</file>
         <file>controls/CoreText.qml</file>
         <file>controls/CoreTextField.qml</file>
-        <file>controls/LabeledTextInput.qml</file>
         <file>controls/ExternalLink.qml</file>
         <file>controls/FocusBorder.qml</file>
         <file>controls/Header.qml</file>
@@ -83,6 +82,9 @@
         <file>pages/wallet/CreateWalletWizard.qml</file>
         <file>pages/wallet/DesktopWallets.qml</file>
         <file>pages/wallet/RequestPayment.qml</file>
+        <file>pages/wallet/Send.qml</file>
+        <file>pages/wallet/SendResult.qml</file>
+        <file>pages/wallet/SendReview.qml</file>
         <file>pages/wallet/WalletBadge.qml</file>
         <file>pages/wallet/WalletSelect.qml</file>
     </qresource>

src/qml/bitcoinamount.cpp

@@ -68,15 +68,28 @@ QString BitcoinAmount::amount() const
     return m_amount;
 }
 
+QString BitcoinAmount::satoshiAmount() const
+{
+    return toSatoshis(m_amount);
+}
+
 void BitcoinAmount::setAmount(const QString& new_amount)
 {
     m_amount = sanitize(new_amount);
     Q_EMIT amountChanged();
 }
 
-long long BitcoinAmount::toSatoshis(QString& amount, const Unit unit)
+QString BitcoinAmount::toSatoshis(const QString& text) const
 {
+    if (m_unit == Unit::SAT) {
+        return text;
+    } else {
+        return convert(text, m_unit);
+    }
+}
 
+long long BitcoinAmount::toSatoshis(QString& amount, const Unit unit)
+{
     int num_decimals = decimals(unit);
 
     QStringList parts = amount.remove(' ').split(".");
@@ -93,7 +106,7 @@ long long BitcoinAmount::toSatoshis(QString& amount, const Unit unit)
     return str.toLongLong();
 }
 
-QString BitcoinAmount::convert(const QString &amount, Unit unit)
+QString BitcoinAmount::convert(const QString& amount, Unit unit) const
 {
     if (amount == "") {
         return amount;
@@ -113,6 +126,10 @@ QString BitcoinAmount::convert(const QString &amount, Unit unit)
             result.append(QString(8 - numDigitsAfterDecimal, '0'));
         }
         result.remove(decimalPosition, 1);
+
+        while (result.startsWith('0') && result.length() > 1) {
+            result.remove(0, 1);
+        }
     } else if (unit == Unit::SAT) {
         result.remove(decimalPosition, 1);
         int newDecimalPosition = decimalPosition - 8;
@@ -121,6 +138,16 @@ QString BitcoinAmount::convert(const QString &amount, Unit unit)
             newDecimalPosition = 0;
         }
         result.insert(newDecimalPosition, ".");
+
+        while (result.endsWith('0') && result.contains('.')) {
+            result.chop(1);
+        }
+        if (result.endsWith('.')) {
+            result.chop(1);
+        }
+        if (result.startsWith('.')) {
+            result.insert(0, "0");
+        }
     }
 
     return result;

src/qml/bitcoinamount.h

@@ -5,16 +5,18 @@
 #ifndef BITCOIN_QML_BITCOINAMOUNT_H
 #define BITCOIN_QML_BITCOINAMOUNT_H
 
+#include <consensus/amount.h>
+
 #include <QObject>
 #include <QString>
-#include <qobjectdefs.h>
 
 class BitcoinAmount : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(Unit unit READ unit WRITE setUnit NOTIFY unitChanged)
     Q_PROPERTY(QString unitLabel READ unitLabel NOTIFY unitChanged)
     Q_PROPERTY(QString amount READ amount WRITE setAmount NOTIFY amountChanged)
+    Q_PROPERTY(QString satoshiAmount READ satoshiAmount NOTIFY amountChanged)
 
 public:
     enum class Unit {
@@ -30,10 +32,12 @@ class BitcoinAmount : public QObject
     QString unitLabel() const;
     QString amount() const;
     void setAmount(const QString& new_amount);
+    QString satoshiAmount() const;
 
 public Q_SLOTS:
-    QString sanitize(const QString &text);
-    QString convert(const QString &text, Unit unit);
+    QString sanitize(const QString& text);
+    QString convert(const QString& text, Unit unit) const;
+    QString toSatoshis(const QString& text) const;
 
 Q_SIGNALS:
     void unitChanged();

src/qml/imageprovider.cpp

@@ -206,5 +206,10 @@ QPixmap ImageProvider::requestPixmap(const QString& id, QSize* size, const QSize
         *size = requested_size;
         return QIcon(":/icons/plus").pixmap(requested_size);
     }
+
+    if (id == "flip-vertical") {
+        *size = requested_size;
+        return QIcon(":/icons/flip-vertical").pixmap(requested_size);
+    }
     return {};
 }

src/qml/models/sendrecipient.cpp

@@ -0,0 +1,87 @@
+// Copyright (c) 2025 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <qml/models/sendrecipient.h>
+#include <qobjectdefs.h>
+
+SendRecipient::SendRecipient(QObject* parent)
+    : QObject(parent), m_address(""), m_label(""), m_amount(""), m_message("")
+{
+}
+
+QString SendRecipient::address() const
+{
+    return m_address;
+}
+
+void SendRecipient::setAddress(const QString& address)
+{
+    if (m_address != address) {
+        m_address = address;
+        Q_EMIT addressChanged();
+    }
+}
+
+QString SendRecipient::label() const
+{
+    return m_label;
+}
+
+void SendRecipient::setLabel(const QString& label)
+{
+    if (m_label != label) {
+        m_label = label;
+        Q_EMIT labelChanged();
+    }
+}
+
+QString SendRecipient::amount() const
+{
+    return m_amount;
+}
+
+void SendRecipient::setAmount(const QString& amount)
+{
+    if (m_amount != amount) {
+        m_amount = amount;
+        Q_EMIT amountChanged();
+    }
+}
+
+QString SendRecipient::message() const
+{
+    return m_message;
+}
+
+void SendRecipient::setMessage(const QString& message)
+{
+    if (m_message != message) {
+        m_message = message;
+        Q_EMIT messageChanged();
+    }
+}
+
+bool SendRecipient::subtractFeeFromAmount() const
+{
+    return m_subtractFeeFromAmount;
+}
+
+CAmount SendRecipient::cAmount() const
+{
+    // TODO: Figure out who owns the parsing of SendRecipient::amount to CAmount
+    return m_amount.toLongLong();
+}
+
+void SendRecipient::clear()
+{
+    m_address = "";
+    m_label = "";
+    m_amount = "";
+    m_message = "";
+    m_subtractFeeFromAmount = false;
+    Q_EMIT addressChanged();
+    Q_EMIT labelChanged();
+    Q_EMIT amountChanged();
+    Q_EMIT messageChanged();
+}

src/qml/models/sendrecipient.h

@@ -0,0 +1,55 @@
+// Copyright (c) 2025 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QML_MODELS_SENDRECIPIENT_H
+#define BITCOIN_QML_MODELS_SENDRECIPIENT_H
+
+#include <QObject>
+#include <QString>
+#include <qml/bitcoinamount.h>
+
+class SendRecipient : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString address READ address WRITE setAddress NOTIFY addressChanged)
+    Q_PROPERTY(QString label READ label WRITE setLabel NOTIFY labelChanged)
+    Q_PROPERTY(QString amount READ amount WRITE setAmount NOTIFY amountChanged)
+    Q_PROPERTY(QString message READ message WRITE setMessage NOTIFY messageChanged)
+
+public:
+    explicit SendRecipient(QObject* parent = nullptr);
+
+    QString address() const;
+    void setAddress(const QString& address);
+
+    QString label() const;
+    void setLabel(const QString& label);
+
+    QString amount() const;
+    void setAmount(const QString& amount);
+
+    QString message() const;
+    void setMessage(const QString& message);
+
+    CAmount cAmount() const;
+
+    bool subtractFeeFromAmount() const;
+
+    Q_INVOKABLE void clear();
+
+Q_SIGNALS:
+    void addressChanged();
+    void labelChanged();
+    void amountChanged();
+    void messageChanged();
+
+private:
+    QString m_address;
+    QString m_label;
+    QString m_amount;
+    QString m_message;
+    bool m_subtractFeeFromAmount{false};
+};
+
+#endif // BITCOIN_QML_MODELS_SENDRECIPIENT_H