Bluetooth support

package.json

@@ -18,6 +18,7 @@
         "@emotion/server": "^11.11.0",
         "@ledgerhq/errors": "^6.16.0",
         "@ledgerhq/hw-transport": "^6.30.0",
+        "@ledgerhq/hw-transport-web-ble": "^6.29.4",
         "@ledgerhq/hw-transport-webhid": "^6.28.0",
         "@mantine/core": "^7.1.5",
         "@mantine/form": "^7.2.2",

src/app/page.tsx

@@ -67,6 +67,7 @@ const WHITELIST = [
     'preview.kasvault.io',
     'privatepreview.kasvault.io',
     'kasvault.vercel.app',
+    'bluetooth.kasvault.io',
 ];
 
 export default function Home() {
@@ -87,7 +88,10 @@ export default function Home() {
             }
         }
 
-        setIsShowDemo(window.location.hostname !== 'kasvault.io');
+        setIsShowDemo(
+            window.location.hostname === 'preview.kasvault.io' ||
+                window.location.search.includes('demo'),
+        );
     }, []);
 
     const smallStyles = width <= 48 * 16 ? { fontSize: '1rem' } : {};
@@ -107,7 +111,23 @@ export default function Home() {
             </h2>
             <Text>(Replaced with bluetooth in the future)</Text>
         </Stack>
-    ) : null;
+    ) : (
+        <Stack
+            className={styles.card}
+            onClick={() => {
+                getAppData(navigate, 'bluetooth');
+            }}
+            align='center'
+        >
+            <h3>
+                <Group style={smallStyles}>
+                    <IconBluetooth style={smallStyles} /> Connect with Bluetooth
+                    <span>-&gt;</span>
+                </Group>
+            </h3>
+            <Text>Nano X, Stax and Flex</Text>
+        </Stack>
+    );
 
     return (
         <Stack className={styles.main}>
@@ -138,11 +158,11 @@ export default function Home() {
                     }}
                     align='center'
                 >
-                    <h2>
+                    <h3>
                         <Group style={smallStyles}>
                             <IconUsb /> Connect with USB <span>-&gt;</span>
                         </Group>
-                    </h2>
+                    </h3>
 
                     <Text>All Ledger devices</Text>
                 </Stack>

src/app/wallet/page.tsx

@@ -6,9 +6,10 @@ import {
     fetchAddressDetails,
     initTransport,
     fetchAddressBalance,
+    isLedgerTransportInitialized,
 } from '../../lib/ledger';
 import { useState, useEffect } from 'react';
-import { Stack, Tabs, Breadcrumbs, Anchor, Button, Center } from '@mantine/core';
+import { Stack, Tabs, Breadcrumbs, Anchor, Button, Center, Modal, Text } from '@mantine/core';
 import Header from '../../components/header';
 import AddressesTab from './addresses-tab';
 import OverviewTab from './overview-tab';
@@ -279,6 +280,7 @@ export default function Dashboard() {
     const [enableGenerate, setEnableGenerate] = useState(false);
     const [mempoolEntryToReplace, setMempoolEntryToReplace] = useState<IMempoolEntry | null>(null);
     const [pendingTxId, setPendingTxId] = useState<string | null>(null);
+    const [showConnectModal, setShowConnectModal] = useState(false);
 
     const { ref: containerRef, width: containerWidth, height: containerHeight } = useElementSize();
 
@@ -376,27 +378,32 @@ export default function Dashboard() {
 
         let unloaded = false;
 
-        initTransport(deviceType)
-            .then(() => {
-                if (!unloaded) {
-                    setTransportInitialized(true);
-
-                    return getXPubFromLedger().then((xpub) =>
-                        setBIP32Base(new KaspaBIP32(xpub.compressedPublicKey, xpub.chainCode)),
-                    );
-                }
+        if (!isLedgerTransportInitialized()) {
+            setShowConnectModal(true);
+        } else {
+            initTransport(deviceType)
+                .then(() => {
+                    if (!unloaded) {
+                        setTransportInitialized(true);
+
+                        return getXPubFromLedger().then((xpub) =>
+                            setBIP32Base(new KaspaBIP32(xpub.compressedPublicKey, xpub.chainCode)),
+                        );
+                    }
 
-                return null;
-            })
-            .catch((e) => {
-                notifications.show({
-                    title: 'Error',
-                    color: 'red',
-                    message: 'Please make sure your device is unlocked and the Kaspa app is open',
-                    autoClose: false,
+                    return null;
+                })
+                .catch((e) => {
+                    notifications.show({
+                        title: 'Error',
+                        color: 'red',
+                        message:
+                            'Please make sure your device is unlocked and the Kaspa app is open',
+                        autoClose: false,
+                    });
+                    console.error(e);
                 });
-                console.error(e);
-            });
+        }
 
         return () => {
             unloaded = true;
@@ -426,7 +433,7 @@ export default function Dashboard() {
             return;
         }
 
-        if (deviceType === 'usb') {
+        if (deviceType === 'usb' || deviceType === 'bluetooth') {
             loadOrScanAddressBatch(bip32base, setAddresses, setRawAddresses, userSettings).finally(
                 () => {
                     setEnableGenerate(true);
@@ -455,6 +462,51 @@ export default function Dashboard() {
                 <Breadcrumbs>{breadcrumbs}</Breadcrumbs>
             </Header>
 
+            <Modal
+                centered
+                opened={showConnectModal}
+                withCloseButton={false}
+                onClose={() => setShowConnectModal(false)}
+                title={'Connect Ledger Device via ' + deviceType}
+            >
+                <Stack>
+                    <Text>Please connect your Ledger device and open the Kaspa app.</Text>
+                    <Button
+                        onClick={() => {
+                            setShowConnectModal(false);
+                            initTransport(deviceType)
+                                .then(() => {
+                                    setTransportInitialized(true);
+                                    return getXPubFromLedger().then((xpub) =>
+                                        setBIP32Base(
+                                            new KaspaBIP32(
+                                                xpub.compressedPublicKey,
+                                                xpub.chainCode,
+                                            ),
+                                        ),
+                                    );
+                                })
+                                .catch((e) => {
+                                    if (e.name === 'TransportOpenUserCancelled') {
+                                        setShowConnectModal(true);
+                                    } else {
+                                        notifications.show({
+                                            title: 'Error',
+                                            color: 'red',
+                                            message:
+                                                'Please make sure your device is unlocked and the Kaspa app is open',
+                                            autoClose: false,
+                                        });
+                                    }
+                                    console.error(e);
+                                });
+                        }}
+                    >
+                        Connect Device
+                    </Button>
+                </Stack>
+            </Modal>
+
             <Center>
                 <Tabs
                     value={activeTab}

src/components/send-form.tsx

@@ -181,7 +181,7 @@ export default function SendForm(props: SendFormProps) {
 
         if (deviceType == 'demo') {
             simulateConfirmation(notifId);
-        } else if (deviceType == 'usb') {
+        } else if (deviceType == 'usb' || deviceType == 'bluetooth') {
             try {
                 const { tx } = createTransaction(
                     kasToSompi(Number(form.values.amount)),

src/lib/ledger.ts

@@ -1,4 +1,5 @@
 import TransportWebHID from '@ledgerhq/hw-transport-webhid';
+import BluetoothTransport from '@ledgerhq/hw-transport-web-ble';
 import axios from 'axios';
 import axiosRetry from 'axios-retry';
 
@@ -19,6 +20,7 @@ let transportState = {
     transport: null,
     initPromise: null,
     type: null,
+    initialized: false,
 };
 
 const kaspaState = {
@@ -156,13 +158,25 @@ export async function initTransport(type = 'usb') {
         return await transportState.initPromise;
     }
 
-    transportState.initPromise = TransportWebHID.create();
+    if (type === 'usb') {
+        transportState.initPromise = TransportWebHID.create();
+    } else if (type === 'bluetooth') {
+        transportState.initPromise = BluetoothTransport.create();
+    } else {
+        throw new Error('Unknown device type');
+    }
+
     transportState.transport = await transportState.initPromise;
     transportState.type = type;
+    transportState.initialized = true;
 
     return transportState.transport;
 }
 
+export function isLedgerTransportInitialized() {
+    return transportState.initialized;
+}
+
 export async function fetchTransactionCount(address) {
     const { data: txCount } = await axios.get(
         `https://api.kaspa.org/addresses/${address}/transactions-count`,