Add info box with peer id

src/BlockchainBackend.cpp

@@ -219,6 +219,17 @@ QVariantMap BlockchainBackend::getCryptarchiaInfo()
         BLOCKCHAIN_MODULE_NAME, QStringLiteral("get_cryptarchia_info"))));
 }
 
+QVariantMap BlockchainBackend::getPeerId()
+{
+    if (!m_blockchainClient)
+        return result::toVariantMap(result::err(QStringLiteral("Module not initialized.")));
+
+    // Derived from the node key in the user config; available without the node
+    // running.
+    return result::toVariantMap(result::toLogosResult(m_blockchainClient->invokeRemoteMethod(
+        BLOCKCHAIN_MODULE_NAME, QStringLiteral("get_peer_id"), userConfig())));
+}
+
 void BlockchainBackend::startBlockchain()
 {
     if (!m_blockchainClient) {

src/BlockchainBackend.h

@@ -46,6 +46,7 @@ public slots:
     QVariantMap transferFunds(QString fromKeyHex, QString toKeyHex, QString amountStr) override;
     QVariantMap claimLeaderRewards() override;
     QVariantMap getCryptarchiaInfo() override;
+    QVariantMap getPeerId() override;
     QVariantMap generateConfig(QString outputPath, QStringList initialPeers, int netPort,
                        int blendPort, QString httpAddr, QString externalAddress,
                        bool noPublicIpCheck, int deploymentMode,

src/BlockchainBackend.rep

@@ -16,6 +16,7 @@ class BlockchainBackend
     SLOT(QVariantMap transferFunds(QString fromKeyHex, QString toKeyHex, QString amountStr))
     SLOT(QVariantMap claimLeaderRewards())
     SLOT(QVariantMap getCryptarchiaInfo())
+    SLOT(QVariantMap getPeerId())
     SLOT(QVariantMap generateConfig(QString outputPath, QStringList initialPeers, int netPort, int blendPort, QString httpAddr, QString externalAddress, bool noPublicIpCheck, int deploymentMode, QString deploymentConfigPath, QString statePath))
     SLOT(QVariantMap getNotes(QString walletAddressHex, QString optionalTipHex))
     SLOT(QVariantMap channelDepositWithNotes(QString channelIdHex, QStringList inputNoteIdHexes, QString metadataBase58, QString changePublicKeyHex, QStringList fundingPublicKeyHexes, QString maxTxFee, QString optionalTipHex))

src/qml/BlockchainView.qml

@@ -25,8 +25,10 @@ Rectangle {
     Connections {
         target: logos
         function onViewModuleReadyChanged(moduleName, isReady) {
-            if (moduleName === "blockchain_ui")
+            if (moduleName === "blockchain_ui") {
                 root.ready = isReady && root.backend !== null
+                if (root.ready) root.refreshPeerId()
+            }
         }
     }
 
@@ -34,6 +36,7 @@ Rectangle {
         // Cover the case where the replica is already Valid by the time
         // we attach the Connections handler.
         root.ready = root.backend !== null && logos.isViewModuleReady("blockchain_ui")
+        if (root.ready) root.refreshPeerId()
     }
 
     // Graceful shutdown: if the window is closed while the node is running,
@@ -93,6 +96,29 @@ Rectangle {
         visible: false
     }
 
+    // Self libp2p peer id, derived from the selected user config (no running
+    // node required). Refreshed when ready and whenever the config changes.
+    property string peerId: ""
+
+    function refreshPeerId() {
+        if (!root.backend || !root.backend.userConfig) {
+            root.peerId = ""
+            return
+        }
+        logos.watch(
+            root.backend.getPeerId(),
+            function(result) { root.peerId = result.success ? result.value : "" },
+            function(error) { root.peerId = "" }
+        )
+    }
+
+    Connections {
+        target: root.backend
+        enabled: root.backend !== null
+        ignoreUnknownSignals: true
+        function onUserConfigChanged() { root.refreshPeerId() }
+    }
+
     // Live Cryptarchia consensus state, polled while the node runs.
     property string cryptarchiaInfoJson: ""
     property string cryptarchiaInfoError: ""
@@ -306,6 +332,12 @@ Rectangle {
                             onChangeConfigRequested: _d.currentPage = 0
                         }
 
+                        NodeInfoView {
+                            Layout.fillWidth: true
+                            peerId: root.peerId
+                            onCopyToClipboard: (text) => root.copyText(text)
+                        }
+
                         CryptarchiaInfoView {
                             Layout.fillWidth: true
                             visible: opPage.nodeRunning

src/qml/views/NodeInfoView.qml

@@ -0,0 +1,62 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import Logos.Theme
+import Logos.Controls
+
+import "../controls"
+
+// "Node info" card — node identity that doesn't depend on the consensus
+// runtime. Currently the self libp2p peer id (derived from the user config).
+Rectangle {
+    id: root
+
+    property string peerId: ""
+
+    signal copyToClipboard(string text)
+
+    implicitHeight: contentCol.implicitHeight + 2 * Theme.spacing.large
+    color: Theme.palette.backgroundTertiary
+    radius: Theme.spacing.radiusLarge
+    border.color: Theme.palette.border
+    border.width: 1
+
+    ColumnLayout {
+        id: contentCol
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.top: parent.top
+        anchors.margins: Theme.spacing.large
+        spacing: Theme.spacing.small
+
+        LogosText {
+            text: qsTr("Node info")
+            font.pixelSize: Theme.typography.secondaryText
+            font.bold: true
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            spacing: Theme.spacing.small
+            LogosText {
+                text: qsTr("Peer ID")
+                Layout.preferredWidth: 70
+                color: Theme.palette.textSecondary
+                font.pixelSize: Theme.typography.secondaryText
+            }
+            LogosText {
+                Layout.fillWidth: true
+                text: root.peerId || qsTr("—")
+                elide: Text.ElideMiddle
+                font.pixelSize: Theme.typography.secondaryText
+            }
+            LogosCopyButton {
+                Layout.preferredHeight: 24
+                Layout.preferredWidth: 24
+                visible: root.peerId.length > 0
+                onCopyText: root.copyToClipboard(root.peerId)
+            }
+        }
+    }
+}

src/qml/views/qmldir

@@ -2,6 +2,7 @@ module views
 StatusConfigView 1.0 StatusConfigView.qml
 BlocksView 1.0 BlocksView.qml
 CryptarchiaInfoView 1.0 CryptarchiaInfoView.qml
+NodeInfoView 1.0 NodeInfoView.qml
 AccountsView 1.0 AccountsView.qml
 TransferView 1.0 TransferView.qml
 LeaderRewardsView 1.0 LeaderRewardsView.qml