feat: iOS BLE support for BitBox02 Nova

android/build.gradle

@@ -1,6 +1,8 @@
 group = "com.cakewallet.bitbox_flutter"
 version = "1.0-SNAPSHOT"
 
+
+
 buildscript {
     ext.kotlin_version = "1.8.22"
     repositories {
@@ -25,7 +27,6 @@ allprojects {
 rootProject.allprojects {
     repositories {
         flatDir {
-//            dirs file('libs')
             dirs project(':bitbox_flutter').file('libs')
         }
     }
@@ -76,3 +77,27 @@ android {
         }
     }
 }
+
+import java.nio.file.Paths
+import org.apache.tools.ant.taskdefs.condition.Os
+
+task goBind {
+    def path = Paths.get("${buildscript.sourceFile.parent}", "..", "run_build_tool_android.sh");
+    def goPath = Paths.get("${buildscript.sourceFile.parent}", "..", "go", "api");
+    def outPath = Paths.get("${buildscript.sourceFile.parent}", "libs",);
+
+    if (!Os.isFamily(Os.FAMILY_WINDOWS)) {
+        project.exec {
+            commandLine 'chmod', '+x', path
+        }
+    }
+
+    def outPathDir = new File("$outPath");
+    outPathDir.mkdirs();
+
+    project.exec {
+        workingDir goPath
+        executable path
+        args "$outPath/api.aar"
+    }
+}

android/settings.gradle

@@ -1,2 +1,2 @@
 rootProject.name = 'bitbox_flutter'
-include ':src', ':api'
+include ':src'

android/src/main/kotlin/com/cakewallet/bitbox_flutter/BitboxFlutterPlugin.kt

@@ -26,6 +26,7 @@ import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+import io.flutter.plugin.common.StandardMethodCodec
 
 class BitboxFlutterPlugin : FlutterPlugin, MethodCallHandler {
     private lateinit var channel : MethodChannel
@@ -35,7 +36,8 @@ class BitboxFlutterPlugin : FlutterPlugin, MethodCallHandler {
     private lateinit var bitboxManager: BitboxManager
 
     override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
-        channel = MethodChannel(binding.getBinaryMessenger(), "bitbox_usb")
+        val taskQueue = binding.binaryMessenger.makeBackgroundTaskQueue()
+        channel = MethodChannel(binding.binaryMessenger, "bitbox_usb", StandardMethodCodec.INSTANCE, taskQueue)
         channel.setMethodCallHandler(this)
         context = binding.getApplicationContext()
         usbManager = context.getSystemService(Context.USB_SERVICE) as UsbManager

android/src/main/kotlin/com/cakewallet/bitbox_flutter/GoDeviceInfo.kt

@@ -42,13 +42,13 @@ class GoDeviceInfo(private val device: UsbDevice?, var usbManager: UsbManager) :
                 @Throws(Exception::class)
                 override fun read(n: Long): ByteArray {
                     val result = ByteArray(n.toInt())
-                    connection.bulkTransfer(endpointIn, result, result.size, 5000000)
+                    connection.bulkTransfer(endpointIn, result, result.size, 10_000)
                     return result
                 }
 
                 @Throws(Exception::class)
                 override fun write(p0: ByteArray): Long {
-                    return connection.bulkTransfer(endpointOut, p0, p0.size, 5000000).toLong()
+                    return connection.bulkTransfer(endpointOut, p0, p0.size, 10_000).toLong()
                 }
             }
         }

go/api/api.go

@@ -11,8 +11,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/BitBoxSwiss/bitbox02-api-go/api/common"
 	"github.com/BitBoxSwiss/bitbox02-api-go/api/firmware"
 	"github.com/BitBoxSwiss/bitbox02-api-go/api/firmware/mocks"
+	"github.com/BitBoxSwiss/bitbox02-api-go/util/semver"
 	"github.com/konstantinullrich/bitbox_flutter/u2fhid"
 )
 
@@ -107,6 +109,44 @@ func GetDevice(device GoReadWriteCloserInterface) {
 	bitbox = firmware.NewDevice(nil, nil, &mocks.Config{}, comm, &mocks.Logger{})
 }
 
+// GetDeviceWithInfo is like GetDevice but accepts version and product info for Bluetooth connections.
+// version should be like "v9.25.0", product should be like "bb02p-multi" or "bb02p-btconly".
+//
+//export GetDeviceWithInfo
+func GetDeviceWithInfo(device GoReadWriteCloserInterface, versionStr string, productStr string) {
+	const bitboxCMD = 0x80 + 0x40 + 0x01
+	comm := u2fhid.NewCommunication(readWriteCloser{device}, bitboxCMD)
+
+	// Parse version string (e.g., "v9.25.0" -> semver)
+	version, err := semver.NewSemVerFromString(strings.TrimPrefix(versionStr, "v"))
+	if err != nil {
+		panic(fmt.Sprintf("invalid version: %s", versionStr))
+	}
+
+	// Map product string to common.Product
+	// bb02p-* are BitBox02 Plus (Nova) products — must use Plus variants
+	var product common.Product
+	switch productStr {
+	case "bb02p-multi", "BitBox02 Nova Multi":
+		product = common.ProductBitBox02PlusMulti
+	case "bb02p-btconly", "BitBox02 Nova BTC-only":
+		product = common.ProductBitBox02PlusBTCOnly
+	case "bb02p-bl-multi", "BitBox02 Nova Multi bl":
+		product = common.ProductBitBox02PlusMulti
+	case "bb02p-bl-btconly", "BitBox02 Nova BTC-only bl":
+		product = common.ProductBitBox02PlusBTCOnly
+	// Original BitBox02 (non-Nova) products
+	case "BitBox02Multi":
+		product = common.ProductBitBox02Multi
+	case "BitBox02BTCOnly":
+		product = common.ProductBitBox02BTCOnly
+	default:
+		product = common.ProductBitBox02PlusMulti
+	}
+
+	bitbox = firmware.NewDevice(version, &product, &mocks.Config{}, comm, &mocks.Logger{})
+}
+
 //export GetChannelHash
 func GetChannelHash() string {
 	hash, _ := bitbox.ChannelHash()
@@ -119,11 +159,13 @@ func ChannelHashVerify(ok bool) {
 }
 
 //export InitDevice
-func InitDevice() {
+func InitDevice() bool {
 	err := bitbox.Init()
 	if err != nil {
-		panic(err)
+		fmt.Println("[InitDevice] error:", err)
+		return false
 	}
+	return true
 }
 
 //export SupportsETH

ios/Api.xcframework/Info.plist

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AvailableLibraries</key>
+	<array>
+		<dict>
+			<key>BinaryPath</key>
+			<string>Api.framework/Api</string>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64</string>
+			<key>LibraryPath</key>
+			<string>Api.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+		</dict>
+		<dict>
+			<key>BinaryPath</key>
+			<string>Api.framework/Api</string>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_x86_64-simulator</string>
+			<key>LibraryPath</key>
+			<string>Api.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+			<key>SupportedPlatformVariant</key>
+			<string>simulator</string>
+		</dict>
+	</array>
+	<key>CFBundlePackageType</key>
+	<string>XFWK</string>
+	<key>XCFrameworkFormatVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>

ios/Api.xcframework/ios-arm64/Api.framework/Headers/Api.h

@@ -0,0 +1,13 @@
+
+// Objective-C API for talking to the following Go packages
+//
+//	github.com/konstantinullrich/bitbox_flutter/api
+//
+// File is generated by gomobile bind. Do not edit.
+#ifndef __Api_FRAMEWORK_H__
+#define __Api_FRAMEWORK_H__
+
+#include "Api.objc.h"
+#include "Universe.objc.h"
+
+#endif

ios/Api.xcframework/ios-arm64/Api.framework/Headers/Api.objc.h

@@ -0,0 +1,120 @@
+// Objective-C API for talking to github.com/konstantinullrich/bitbox_flutter/api Go package.
+//   gobind -lang=objc github.com/konstantinullrich/bitbox_flutter/api
+//
+// File is generated by gobind. Do not edit.
+
+#ifndef __Api_H__
+#define __Api_H__
+
+@import Foundation;
+#include "ref.h"
+#include "Universe.objc.h"
+
+
+@protocol ApiGoDeviceInfoInterface;
+@class ApiGoDeviceInfoInterface;
+@protocol ApiGoReadWriteCloserInterface;
+@class ApiGoReadWriteCloserInterface;
+
+@protocol ApiGoDeviceInfoInterface <NSObject>
+- (NSString* _Nonnull)identifier;
+- (long)interface;
+- (BOOL)isBluetooth;
+- (id<ApiGoReadWriteCloserInterface> _Nullable)open:(NSError* _Nullable* _Nullable)error;
+- (NSString* _Nonnull)product;
+- (long)productID;
+- (NSString* _Nonnull)serial;
+- (long)usagePage;
+- (long)vendorID;
+@end
+
+@protocol ApiGoReadWriteCloserInterface <NSObject>
+- (BOOL)close:(NSError* _Nullable* _Nullable)error;
+- (NSData* _Nullable)read:(long)n error:(NSError* _Nullable* _Nullable)error;
+- (BOOL)write:(NSData* _Nullable)p0 n:(long* _Nullable)n error:(NSError* _Nullable* _Nullable)error;
+@end
+
+FOUNDATION_EXPORT NSData* _Nullable ApiBTCSignMessage(long coinType, NSString* _Nullable keypath, NSData* _Nullable msg);
+
+FOUNDATION_EXPORT NSString* _Nonnull ApiBTCSignPSBT(long coinType, NSString* _Nullable psbtStr);
+
+FOUNDATION_EXPORT NSString* _Nonnull ApiBTCXPub(long coinType, NSString* _Nullable keypath, long addressType, BOOL display);
+
+FOUNDATION_EXPORT void ApiChannelHashVerify(BOOL ok);
+
+// skipped function DeviceInfo with unsupported parameter or return types
+
+
+FOUNDATION_EXPORT NSString* _Nonnull ApiETHGetAddress(long chainId, NSString* _Nullable keypath, long outputType, BOOL display, NSData* _Nullable contractAddress);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiETHSignEIP1559(long chainId, NSString* _Nullable keypath, long nonce, NSString* _Nullable maxPriorityFeePerGas, NSString* _Nullable maxFeePerGas, long gasLimit, NSData* _Nullable recipient, NSString* _Nullable value, NSData* _Nullable data, long recipientAddressCase);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiETHSignMessage(long chainId, NSString* _Nullable keypath, NSData* _Nullable msg);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiETHSignRPLTx(long chainId, NSString* _Nullable keypath, NSString* _Nullable encodedTx, BOOL isEIP1559);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiETHSignTransaction(long chainId, NSString* _Nullable keypath, long nonce, NSString* _Nullable gasPrice, long gasLimit, NSData* _Nullable recipient, NSString* _Nullable value, NSData* _Nullable data, long recipientAddressCase);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiETHSignTypedMessage(long chainId, NSString* _Nullable keypath, NSData* _Nullable jsonMsg);
+
+FOUNDATION_EXPORT NSString* _Nonnull ApiGetChannelHash(void);
+
+FOUNDATION_EXPORT void ApiGetDevice(id<ApiGoReadWriteCloserInterface> _Nullable device);
+
+/**
+ * GetDeviceWithInfo is like GetDevice but accepts version and product info for Bluetooth connections.
+version should be like "v9.25.0", product should be like "bb02p-multi" or "bb02p-btconly".
+ */
+FOUNDATION_EXPORT void ApiGetDeviceWithInfo(id<ApiGoReadWriteCloserInterface> _Nullable device, NSString* _Nullable versionStr, NSString* _Nullable productStr);
+
+FOUNDATION_EXPORT NSData* _Nullable ApiGetMasterFingerprint(void);
+
+FOUNDATION_EXPORT BOOL ApiInitDevice(void);
+
+FOUNDATION_EXPORT BOOL ApiSupportsBluetooth(void);
+
+FOUNDATION_EXPORT BOOL ApiSupportsERC20(NSString* _Nullable contractAddress);
+
+FOUNDATION_EXPORT BOOL ApiSupportsETH(long chainId);
+
+FOUNDATION_EXPORT BOOL ApiSupportsLTC(void);
+
+@class ApiGoDeviceInfoInterface;
+
+@class ApiGoReadWriteCloserInterface;
+
+/**
+ * GoDeviceInfoInterface adapts usb.DeviceInfo's Open method to return the adapted ReadWriteCloser.
+ */
+@interface ApiGoDeviceInfoInterface : NSObject <goSeqRefInterface, ApiGoDeviceInfoInterface> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (NSString* _Nonnull)identifier;
+- (long)interface;
+- (BOOL)isBluetooth;
+- (id<ApiGoReadWriteCloserInterface> _Nullable)open:(NSError* _Nullable* _Nullable)error;
+- (NSString* _Nonnull)product;
+- (long)productID;
+- (NSString* _Nonnull)serial;
+- (long)usagePage;
+- (long)vendorID;
+@end
+
+/**
+ * GoReadWriteCloserInterface adapts io.ReadWriteCloser's Read method to return the byte read byte slice
+instead of the .Read([]byte) pattern. This is as gomobile bind seems to make a copy of passed
+slices instead of writing directly to it, so the byte slice never makes it back to Go-land.
+ */
+@interface ApiGoReadWriteCloserInterface : NSObject <goSeqRefInterface, ApiGoReadWriteCloserInterface> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (BOOL)close:(NSError* _Nullable* _Nullable)error;
+- (NSData* _Nullable)read:(long)n error:(NSError* _Nullable* _Nullable)error;
+- (BOOL)write:(NSData* _Nullable)p0 n:(long* _Nullable)n error:(NSError* _Nullable* _Nullable)error;
+@end
+
+#endif

ios/Api.xcframework/ios-arm64/Api.framework/Headers/Universe.objc.h

@@ -0,0 +1,29 @@
+// Objective-C API for talking to  Go package.
+//   gobind -lang=objc 
+//
+// File is generated by gobind. Do not edit.
+
+#ifndef __Universe_H__
+#define __Universe_H__
+
+@import Foundation;
+#include "ref.h"
+
+@protocol Universeerror;
+@class Universeerror;
+
+@protocol Universeerror <NSObject>
+- (NSString* _Nonnull)error;
+@end
+
+@class Universeerror;
+
+@interface Universeerror : NSError <goSeqRefInterface, Universeerror> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (NSString* _Nonnull)error;
+@end
+
+#endif