Apply password during onboarding and prompt for password when needed

qml/bitcoin_qml.qrc

@@ -23,6 +23,8 @@
         <file>components/ThemeSettings.qml</file>
         <file>components/TotalBytesIndicator.qml</file>
         <file>components/Tooltip.qml</file>
+        <file>components/WalletMigrationPopup.qml</file>
+        <file>components/WalletPassphrasePopup.qml</file>
         <file>controls/AddWalletButton.qml</file>
         <file>controls/CaretRightIcon.qml</file>
         <file>controls/ContinueButton.qml</file>

qml/components/BitcoinAddressInputField.qml

@@ -16,6 +16,8 @@ ColumnLayout {
     property string errorText: ""
     property string labelText: qsTr("Send to")
     property bool enabled: true
+    property alias text: addressInput.text
+    property string inputObjectName: ""
 
     signal editingFinished()
 
@@ -40,6 +42,7 @@ ColumnLayout {
 
         TextArea {
             id: addressInput
+            objectName: root.inputObjectName
             anchors.left: label.right
             anchors.right: parent.right
             anchors.top: parent.top

qml/components/WalletMigrationPopup.qml

@@ -0,0 +1,107 @@
+// 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 "../controls"
+
+Popup {
+    id: root
+
+    property string popupObjectName: ""
+    property string titleText: qsTr("Wallet update required")
+    property string descriptionText: ""
+    property string confirmText: qsTr("Update wallet")
+    property string busyConfirmText: qsTr("Updating...")
+    property string errorText: ""
+    property string errorTextObjectName: ""
+    property string cancelButtonObjectName: ""
+    property string confirmButtonObjectName: ""
+    property bool busy: false
+
+    signal confirmed()
+
+    objectName: popupObjectName
+    modal: true
+    padding: 0
+    implicitWidth: 420
+    implicitHeight: columnLayout.implicitHeight
+    anchors.centerIn: parent
+
+    background: Rectangle {
+        color: Theme.color.background
+        radius: 10
+        border.color: Theme.color.neutral4
+        border.width: 1
+    }
+
+    ColumnLayout {
+        id: columnLayout
+        anchors.fill: parent
+        spacing: 0
+
+        CoreText {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 56
+            text: root.titleText
+            bold: true
+            font.pixelSize: 24
+            horizontalAlignment: Text.AlignHCenter
+            verticalAlignment: Text.AlignVCenter
+        }
+
+        Separator {
+            Layout.fillWidth: true
+        }
+
+        Header {
+            Layout.fillWidth: true
+            Layout.margins: 20
+            Layout.topMargin: 20
+            header: root.descriptionText
+            headerBold: false
+            headerSize: 16
+        }
+
+        CoreText {
+            objectName: root.errorTextObjectName
+            Layout.fillWidth: true
+            Layout.leftMargin: 20
+            Layout.rightMargin: 20
+            Layout.topMargin: 4
+            visible: text.length > 0
+            text: root.errorText
+            color: Theme.color.red
+            font.pixelSize: 15
+            wrapMode: Text.WordWrap
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            Layout.margins: 20
+            Layout.topMargin: 20
+            spacing: 15
+
+            OutlineButton {
+                objectName: root.cancelButtonObjectName
+                Layout.fillWidth: true
+                Layout.minimumWidth: 120
+                enabled: !root.busy
+                text: qsTr("Cancel")
+                onClicked: root.close()
+            }
+
+            ContinueButton {
+                objectName: root.confirmButtonObjectName
+                Layout.fillWidth: true
+                Layout.minimumWidth: 120
+                enabled: !root.busy
+                text: root.busy ? root.busyConfirmText : root.confirmText
+                onClicked: root.confirmed()
+            }
+        }
+    }
+}

qml/components/WalletPassphrasePopup.qml

@@ -0,0 +1,123 @@
+// 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 "../controls"
+
+Popup {
+    id: root
+
+    property string popupObjectName: ""
+    property string titleText: qsTr("Enter wallet password")
+    property string descriptionText: ""
+    property string confirmText: qsTr("Continue")
+    property string busyConfirmText: qsTr("Working...")
+    property string errorText: ""
+    property string passphraseFieldObjectName: ""
+    property string errorTextObjectName: ""
+    property string cancelButtonObjectName: ""
+    property string confirmButtonObjectName: ""
+    property bool busy: false
+
+    signal submitted(string passphrase)
+
+    objectName: popupObjectName
+    modal: true
+    padding: 0
+    implicitWidth: 420
+    implicitHeight: columnLayout.implicitHeight
+    anchors.centerIn: parent
+
+    onOpened: {
+        passphraseField.text = ""
+        passphraseField.forceActiveFocus()
+    }
+
+    background: Rectangle {
+        color: Theme.color.background
+        radius: 10
+        border.color: Theme.color.neutral4
+        border.width: 1
+    }
+
+    ColumnLayout {
+        id: columnLayout
+        anchors.fill: parent
+        spacing: 0
+
+        CoreText {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 56
+            text: root.titleText
+            bold: true
+            font.pixelSize: 24
+            horizontalAlignment: Text.AlignHCenter
+            verticalAlignment: Text.AlignVCenter
+        }
+
+        Separator {
+            Layout.fillWidth: true
+        }
+
+        Header {
+            Layout.fillWidth: true
+            Layout.margins: 20
+            Layout.topMargin: 20
+            header: root.descriptionText
+            headerBold: false
+            headerSize: 16
+        }
+
+        CoreTextField {
+            id: passphraseField
+            objectName: root.passphraseFieldObjectName
+            Layout.fillWidth: true
+            Layout.leftMargin: 20
+            Layout.rightMargin: 20
+            hideText: true
+            placeholderText: qsTr("Enter password...")
+        }
+
+        CoreText {
+            objectName: root.errorTextObjectName
+            Layout.fillWidth: true
+            Layout.leftMargin: 20
+            Layout.rightMargin: 20
+            Layout.topMargin: 12
+            visible: text.length > 0
+            text: root.errorText
+            color: Theme.color.red
+            font.pixelSize: 15
+            wrapMode: Text.WordWrap
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            Layout.margins: 20
+            Layout.topMargin: 20
+            spacing: 15
+
+            OutlineButton {
+                objectName: root.cancelButtonObjectName
+                Layout.fillWidth: true
+                Layout.minimumWidth: 120
+                enabled: !root.busy
+                text: qsTr("Cancel")
+                onClicked: root.close()
+            }
+
+            ContinueButton {
+                objectName: root.confirmButtonObjectName
+                Layout.fillWidth: true
+                Layout.minimumWidth: 120
+                enabled: !root.busy && passphraseField.text.length > 0
+                text: root.busy ? root.busyConfirmText : root.confirmText
+                onClicked: root.submitted(passphraseField.text)
+            }
+        }
+    }
+}