Feat/amm registry

apps/amm/.gitignore

@@ -21,6 +21,9 @@ tests/testnet/amm-tokens.json
 # Isolated known-pools config written by tests/testnet/setup-amm-testnet.sh
 tests/testnet/amm-pools.json
 
+# Isolated single-file registry (AMM_REGISTRY_URL path) written by the setup script
+tests/testnet/amm-registry.json
+
 # Isolated custom-token store (CUSTOM_TOKEN_CONFIG) — initialized by the setup script
 # and written by the app during tests/custom-token.mjs
 tests/testnet/custom-tokens.json

apps/amm/CMakeLists.txt

@@ -36,10 +36,13 @@ logos_module(
         src/AmmUiPlugin.cpp
         src/AmmUiBackend.h
         src/AmmUiBackend.cpp
+        src/RegistryLoader.h
+        src/RegistryLoader.cpp
     FIND_PACKAGES
         Qt6Gui
     LINK_LIBRARIES
         Qt6::Gui
+        Qt6::Network
     LINK_TARGETS
         logos_wallet_access
 )

apps/amm/qml/Main.qml

@@ -167,4 +167,43 @@ Item {
             visible: navbar.currentIndex === 2 && navbar.currentSubIndex === 1
         }
     }
+
+    // App settings: a cogwheel in the bottom-right corner opens the settings modal
+    // (registry URL + network picker). App-specific, so it lives here rather than
+    // in the shared wallet UI.
+    Rectangle {
+        id: settingsButton
+        objectName: "appSettingsButton"
+        anchors.right:  parent.right
+        anchors.bottom: parent.bottom
+        anchors.rightMargin:  20
+        anchors.bottomMargin: 20
+        z: 200
+        width: 44
+        height: 44
+        radius: 22
+        color: settingsMouse.pressed ? Theme.palette.borderSecondary
+                                     : Theme.palette.backgroundSecondary
+        border.color: Theme.palette.borderSecondary
+        border.width: 1
+
+        Text {
+            anchors.centerIn: parent
+            text: "⚙"  // gear
+            font.pixelSize: 20
+            color: Theme.palette.textSecondary
+        }
+
+        MouseArea {
+            id: settingsMouse
+            anchors.fill: parent
+            cursorShape: Qt.PointingHandCursor
+            onClicked: settingsModal.open()
+        }
+    }
+
+    SettingsModal {
+        id: settingsModal
+        backend: root.ready ? root.backend : null
+    }
 }

apps/amm/qml/chrome/SettingsModal.qml

@@ -0,0 +1,164 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import "../components/liquidity"
+
+// App settings modal, opened from the cogwheel in Main.qml. Currently a single
+// "Registry" section: the known-tokens / known-pools registry URL and the network
+// picker, bound to the AMM backend (registryUrl / saveRegistryUrl / networks /
+// activeNetwork / selectNetwork). This is AMM-specific, so it lives in the app
+// rather than the shared wallet UI.
+Popup {
+    id: root
+
+    property var backend: null
+
+    AmmTheme { id: theme }
+
+    parent: Overlay.overlay
+    modal: true
+    focus: true
+    width: parent && parent.width > 32 ? Math.max(0, Math.min(440, parent.width - 32)) : 300
+    x: parent ? Math.round((parent.width - width) / 2) : 0
+    y: parent ? Math.round((parent.height - height) / 2) : 0
+    padding: 20
+    closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutside
+
+    onOpened: {
+        registryUrlField.text = root.backend ? (root.backend.registryUrl || "") : ""
+        networkSelector.syncSelection()
+    }
+
+    Overlay.modal: Rectangle { color: Qt.rgba(0, 0, 0, 0.4) }
+
+    background: Rectangle {
+        radius: 16
+        color: theme.colors.cardBg
+        border.color: theme.colors.border
+        border.width: 1
+    }
+
+    contentItem: ColumnLayout {
+        spacing: 14
+
+        RowLayout {
+            Layout.fillWidth: true
+
+            Label {
+                Layout.fillWidth: true
+                text: qsTr("Settings")
+                color: theme.colors.textPrimary
+                font.bold: true
+                font.pixelSize: 17
+            }
+
+            Label {
+                text: "✕"  // close
+                color: theme.colors.textSecondary
+                font.pixelSize: 16
+                MouseArea {
+                    anchors.fill: parent
+                    anchors.margins: -8
+                    cursorShape: Qt.PointingHandCursor
+                    onClicked: root.close()
+                }
+            }
+        }
+
+        Label {
+            text: qsTr("Registry")
+            color: theme.colors.textPrimary
+            font.bold: true
+        }
+
+        Label {
+            Layout.fillWidth: true
+            text: qsTr("URL of the known-tokens / known-pools registry the app loads. Leave empty to load none.")
+            color: theme.colors.textSecondary
+            font.pixelSize: 11
+            wrapMode: Text.WordWrap
+        }
+
+        TextField {
+            id: registryUrlField
+            objectName: "settingsRegistryUrlField"
+            Layout.fillWidth: true
+            text: root.backend ? (root.backend.registryUrl || "") : ""
+            placeholderText: qsTr("https://…/amm-registry.json")
+            color: theme.colors.textPrimary
+            background: Rectangle {
+                radius: 8
+                color: theme.colors.inputBg
+                border.color: theme.colors.border
+                border.width: 1
+            }
+        }
+
+        Button {
+            id: saveButton
+            objectName: "settingsRegistrySaveButton"
+            Layout.fillWidth: true
+            text: qsTr("Save")
+            onClicked: {
+                if (root.backend)
+                    root.backend.saveRegistryUrl(registryUrlField.text)
+            }
+            contentItem: Text {
+                text: saveButton.text
+                color: "#FFFFFF"
+                horizontalAlignment: Text.AlignHCenter
+                verticalAlignment: Text.AlignVCenter
+            }
+            background: Rectangle {
+                radius: 8
+                implicitHeight: 36
+                color: saveButton.pressed ? theme.colors.ctaPressedBg
+                     : saveButton.hovered ? theme.colors.ctaHoverBg
+                     : theme.colors.ctaBg
+            }
+        }
+
+        Label {
+            Layout.fillWidth: true
+            visible: networkSelector.count > 0
+            text: qsTr("Network")
+            color: theme.colors.textSecondary
+            font.pixelSize: 11
+        }
+
+        ComboBox {
+            id: networkSelector
+            objectName: "settingsNetworkSelector"
+            Layout.fillWidth: true
+            visible: count > 0
+            textRole: "name"
+            valueRole: "id"
+            model: root.backend ? root.backend.networks : []
+
+            // Select the active network (which defaults to the first), falling back
+            // to the first item. Imperative — the model syncs from the backend after
+            // this is created, so a currentIndex binding would compute -1 before the
+            // model arrives and never re-run.
+            function syncSelection() {
+                if (!root.backend || count === 0)
+                    return
+                const i = indexOfValue(root.backend.activeNetwork)
+                currentIndex = i >= 0 ? i : 0
+            }
+            Component.onCompleted: syncSelection()
+            onCountChanged: syncSelection()
+            Connections {
+                target: root.backend
+                function onActiveNetworkChanged() { networkSelector.syncSelection() }
+            }
+
+            onActivated: {
+                if (root.backend)
+                    root.backend.selectNetwork(currentValue)
+            }
+        }
+    }
+}

apps/amm/qml/pages/LiquidityPage.qml

@@ -156,6 +156,8 @@ onBackendChanged: { root.refreshHoldings(); root.refreshFeeTiers(); root.refresh
     Connections {
         target: root.backend
         function onIsWalletOpenChanged() { root.refreshHoldings(); root.refreshTokens() }
+        // Re-fetch when the registry snapshot refreshes (e.g. a remote list lands).
+        function onRegistryRevisionChanged() { root.refreshTokens() }
     }
 
     readonly property int pageMargin: width < 640 ? 16 : 24

apps/amm/qml/pages/PoolsPage.qml

@@ -41,6 +41,12 @@ Item {
     onBackendChanged: root.loadPools()
     onRuntimeChanged: root.loadPools()
 
+    Connections {
+        target: root.backend
+        // Re-fetch when the registry snapshot refreshes (e.g. a remote list lands).
+        function onRegistryRevisionChanged() { root.loadPools() }
+    }
+
     AmmTheme {
         id: theme
     }

apps/amm/qml/pages/SwapPage.qml

@@ -98,18 +98,26 @@ Item {
             })
     }
 
+    function loadTokens() {
+        if (!root.backend)
+            return
+        logos.watch(root.backend.tokenList(),
+            function(list) { root.tokens = list },
+            function(err) { console.warn("tokenList error:", err) })
+    }
+
     onBackendChanged: {
         if (root.backend) {
-            logos.watch(root.backend.tokenList(),
-                function(list) { root.tokens = list },
-                function(err) { console.warn("tokenList error:", err) })
+            root.loadTokens()
             root.refreshHoldings()
         }
     }
 
     Connections {
         target: root.backend
         function onIsWalletOpenChanged() { root.refreshHoldings() }
+        // Re-fetch when the registry snapshot refreshes (e.g. a remote list lands).
+        function onRegistryRevisionChanged() { root.loadTokens() }
     }
 
     QtObject {