Implement Replace-By-Fee speed-up support in the wallet

qml/bitcoin.cpp

@@ -32,6 +32,7 @@
 #include <qml/models/activitylistmodel.h>
 #include <qml/models/banlistmodel.h>
 #include <qml/models/bitcoinaddress.h>
+#include <qml/models/bumptransactionmodel.h>
 #include <qml/models/chainmodel.h>
 #include <qml/models/debuglogmodel.h>
 #include <qml/models/networktraffictower.h>
@@ -364,6 +365,8 @@ int QmlGuiMain(int argc, char* argv[])
     qmlRegisterUncreatableType<SendRecipient>("org.bitcoincore.qt", 1, 0, "SendRecipient", "");
 
 #ifdef ENABLE_WALLET
+    qmlRegisterUncreatableType<BumpTransactionModel>("org.bitcoincore.qt", 1, 0, "BumpTransactionModel",
+                                                      "BumpTransactionModel cannot be instantiated from QML");
     qmlRegisterUncreatableType<WalletQmlModel>("org.bitcoincore.qt", 1, 0, "WalletQmlModel",
                                                "WalletQmlModel cannot be instantiated from QML");
     qmlRegisterUncreatableType<WalletQmlModelTransaction>("org.bitcoincore.qt", 1, 0, "WalletQmlModelTransaction",

qml/bitcoin_qml.qrc

@@ -12,6 +12,7 @@
         <file>components/ExternalPopup.qml</file>
         <file>components/FeeSelection.qml</file>
         <file>components/MonospaceOutputView.qml</file>
+        <file>components/InfoBanner.qml</file>
         <file>components/NetworkTrafficGraph.qml</file>
         <file>components/NetworkIndicator.qml</file>
         <file>components/OptionPopup.qml</file>
@@ -103,6 +104,7 @@
         <file>pages/wallet/Send.qml</file>
         <file>pages/wallet/SendResult.qml</file>
         <file>pages/wallet/SendReview.qml</file>
+        <file>pages/wallet/SpeedUpOverlay.qml</file>
         <file>pages/wallet/WalletBadge.qml</file>
         <file>pages/wallet/WalletSelect.qml</file>
     </qresource>

qml/components/InfoBanner.qml

@@ -0,0 +1,155 @@
+// Copyright (c) 2026 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Layouts 1.15
+import org.bitcoincore.qt 1.0
+
+import "../controls"
+
+Rectangle {
+    id: root
+
+    enum Layout {
+        Horizontal,
+        Vertical
+    }
+
+    property url iconSource: ""
+    property string title: ""
+    property string message: ""
+    property string primaryButtonText: ""
+    property string dismissButtonText: ""
+    property int bannerLayout: InfoBanner.Layout.Horizontal
+
+    signal primaryClicked()
+    signal dismissClicked()
+
+    radius: 10
+    color: Qt.rgba(Theme.color.blue.r, Theme.color.blue.g, Theme.color.blue.b, 0.2)
+    implicitHeight: contentLoader.item ? contentLoader.item.height + 60 : 60
+
+    Loader {
+        id: contentLoader
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.verticalCenter: parent.verticalCenter
+        anchors.margins: 30
+        sourceComponent: root.bannerLayout === InfoBanner.Layout.Vertical
+            ? verticalContent : horizontalContent
+    }
+
+    Component {
+        id: horizontalContent
+        RowLayout {
+            spacing: 15
+
+            Icon {
+                visible: root.iconSource != ""
+                source: root.iconSource
+                color: Theme.color.neutral7
+                size: 24
+            }
+
+            ColumnLayout {
+                Layout.fillWidth: true
+                spacing: 4
+
+                CoreText {
+                    visible: root.title !== ""
+                    text: root.title
+                    font.pixelSize: 15
+                    bold: true
+                    color: Theme.color.neutral9
+                    horizontalAlignment: Text.AlignLeft
+                    Layout.fillWidth: true
+                }
+
+                CoreText {
+                    visible: root.message !== ""
+                    text: root.message
+                    font.pixelSize: 13
+                    color: Theme.color.neutral7
+                    horizontalAlignment: Text.AlignLeft
+                    Layout.fillWidth: true
+                    wrap: true
+                }
+            }
+
+            OutlineButton {
+                objectName: root.objectName !== "" ? root.objectName + "DismissButton" : ""
+                visible: root.dismissButtonText !== ""
+                text: root.dismissButtonText
+                onClicked: root.dismissClicked()
+            }
+
+            ContinueButton {
+                objectName: root.objectName !== "" ? root.objectName + "PrimaryButton" : ""
+                visible: root.primaryButtonText !== ""
+                text: root.primaryButtonText
+                onClicked: root.primaryClicked()
+            }
+        }
+    }
+
+    Component {
+        id: verticalContent
+        ColumnLayout {
+            spacing: 15
+
+            Icon {
+                visible: root.iconSource != ""
+                source: root.iconSource
+                color: Theme.color.neutral7
+                size: 24
+                Layout.alignment: Qt.AlignHCenter
+            }
+
+            CoreText {
+                visible: root.title !== ""
+                text: root.title
+                font.pixelSize: 15
+                bold: true
+                color: Theme.color.neutral9
+                horizontalAlignment: Text.AlignHCenter
+                Layout.fillWidth: true
+            }
+
+            CoreText {
+                visible: root.message !== ""
+                text: root.message
+                font.pixelSize: 13
+                color: Theme.color.neutral7
+                horizontalAlignment: Text.AlignHCenter
+                Layout.fillWidth: true
+                Layout.bottomMargin: 10
+                wrap: true
+            }
+
+            RowLayout {
+                Layout.alignment: Qt.AlignHCenter
+                spacing: 15
+
+                OutlineButton {
+                    objectName: root.objectName !== "" ? root.objectName + "DismissButton" : ""
+                    visible: root.dismissButtonText !== ""
+                    text: root.dismissButtonText
+                    Layout.maximumWidth: 200
+                    onClicked: root.dismissClicked()
+                }
+
+                ContinueButton {
+                    objectName: root.objectName !== "" ? root.objectName + "PrimaryButton" : ""
+                    visible: root.primaryButtonText !== ""
+                    text: root.primaryButtonText
+                    Layout.maximumWidth: 200
+                    leftPadding: 30
+                    rightPadding: 30
+                    onClicked: root.primaryClicked()
+                }
+            }
+        }
+    }
+}

qml/models/activitylistmodel.cpp

@@ -75,6 +75,14 @@ QVariant ActivityListModel::data(const QModelIndex &index, int role) const
         return tx->status;
     case TypeRole:
         return tx->type;
+    case TxidRole:
+        return tx->txid;
+    case CanBumpRole:
+        return m_wallet_model ? m_wallet_model->canBumpTransaction(tx->hash) : false;
+    case ReplacesTxidRole:
+        return tx->replacesTxid;
+    case ReplacedByTxidRole:
+        return tx->replacedByTxid;
     default:
         return QVariant();
     }
@@ -90,9 +98,44 @@ QHash<int, QByteArray> ActivityListModel::roleNames() const
     roles[LabelRole] = "label";
     roles[StatusRole] = "status";
     roles[TypeRole] = "type";
+    roles[TxidRole] = "txid";
+    roles[CanBumpRole] = "canBump";
+    roles[ReplacesTxidRole] = "replacesTxid";
+    roles[ReplacedByTxidRole] = "replacedByTxid";
     return roles;
 }
 
+void ActivityListModel::reload()
+{
+    beginResetModel();
+    m_transactions.clear();
+    refreshWallet();
+    endResetModel();
+}
+
+QVariantMap ActivityListModel::transactionDetails(const QString& txid) const
+{
+    for (const auto& tx : m_transactions) {
+        if (tx->txid == txid) {
+            updateTransactionStatus(tx);
+            updateTransactionLabel(tx);
+            return {
+                {"txid", tx->txid},
+                {"canBump", m_wallet_model ? m_wallet_model->canBumpTransaction(tx->hash) : false},
+                {"replacedByTxid", tx->replacedByTxid},
+                {"amount", tx->prettyAmount()},
+                {"date", tx->dateTimeString()},
+                {"depth", tx->depth},
+                {"type", tx->type},
+                {"status", tx->status},
+                {"address", tx->address},
+                {"label", tx->label}
+            };
+        }
+    }
+    return {};
+}
+
 void ActivityListModel::refreshWallet()
 {
     if (m_wallet_model == nullptr) {
@@ -123,11 +166,17 @@ void ActivityListModel::updateTransaction(const uint256& hash, const interfaces:
         // new transaction
         interfaces::WalletTx wtx = m_wallet_model->getWalletTx(hash);
         auto transactions = Transaction::fromWalletTx(wtx);
+        if (transactions.isEmpty()) {
+            return;
+        }
         for (const auto& tx : transactions) {
             tx->updateStatus(tx_status, num_blocks, block_time);
-            m_transactions.push_front(tx);
         }
-        Q_EMIT dataChanged(this->index(0), this->index(m_transactions.size() - 1));
+        beginInsertRows(QModelIndex(), 0, transactions.size() - 1);
+        for (auto it = transactions.crbegin(); it != transactions.crend(); ++it) {
+            m_transactions.push_front(*it);
+        }
+        endInsertRows();
     }
 }
 

qml/models/activitylistmodel.h

@@ -32,9 +32,15 @@ class ActivityListModel : public QAbstractListModel
         DepthRole,
         LabelRole,
         StatusRole,
-        TypeRole
+        TypeRole,
+        TxidRole,
+        CanBumpRole,
+        ReplacesTxidRole,
+        ReplacedByTxidRole
     };
 
+    Q_INVOKABLE void reload();
+    Q_INVOKABLE QVariantMap transactionDetails(const QString& txid) const;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     QHash<int, QByteArray> roleNames() const override;