api/firmware: add Bluetooth info to DeviceInfo

Author: benma

api/firmware/device.go

@@ -103,6 +103,12 @@ type Device struct {
 	log     Logger
 }
 
+// BluetoothInfo contains Bluetooth-related info.
+type BluetoothInfo struct {
+	// FirmwareHash is the hex-encoded 32 byte Bluetooth firmware hash.
+	FirmwareHash string `json:"firmwareHash"`
+}
+
 // DeviceInfo is the data returned from the device info api call.
 type DeviceInfo struct {
 	Name                      string `json:"name"`
@@ -112,6 +118,8 @@ type DeviceInfo struct {
 	// This information is only available since firmwae v9.6.0. Will be an empty string for older
 	// firmware versions.
 	SecurechipModel string `json:"securechipModel"`
+	// Available on Bluetooth-enabled devices, Will be `nil` otherwise.
+	Bluetooth *BluetoothInfo `json:"bluetooth"`
 }
 
 // NewDevice creates a new instance of Device.

api/firmware/messages/bitbox02_system.pb.go

@@ -26,13 +26,19 @@ message DeviceInfoRequest {
 }
 
 message DeviceInfoResponse {
+  message Bluetooth {
+    // Hash of the currently active Bluetooth firmware on the device.
+    bytes firmware_hash = 1;
+  }
   string name = 1;
   bool initialized = 2;
   string version = 3;
   bool mnemonic_passphrase_enabled = 4;
   uint32 monotonic_increments_remaining = 5;
   // From v9.6.0: "ATECC608A" or "ATECC608B".
   string securechip_model = 6;
+  // Only present in Bluetooth-enabled devices.
+  optional Bluetooth bluetooth = 7;
 }
 
 message InsertRemoveSDCardRequest {

api/firmware/messages/bitbox02_system.proto

@@ -15,6 +15,8 @@
 package firmware
 
 import (
+	"encoding/hex"
+
 	"github.com/BitBoxSwiss/bitbox02-api-go/api/firmware/messages"
 	"github.com/BitBoxSwiss/bitbox02-api-go/util/errp"
 	"github.com/BitBoxSwiss/bitbox02-api-go/util/semver"
@@ -64,12 +66,20 @@ func (device *Device) DeviceInfo() (*DeviceInfo, error) {
 		return nil, errp.New("Failed to retrieve device info")
 	}
 
+	var bluetooth *BluetoothInfo
+	if deviceInfoResponse.DeviceInfo.Bluetooth != nil {
+		bluetooth = &BluetoothInfo{
+			FirmwareHash: hex.EncodeToString(deviceInfoResponse.DeviceInfo.Bluetooth.FirmwareHash),
+		}
+	}
+
 	deviceInfo := &DeviceInfo{
 		Name:                      deviceInfoResponse.DeviceInfo.Name,
 		Version:                   deviceInfoResponse.DeviceInfo.Version,
 		Initialized:               deviceInfoResponse.DeviceInfo.Initialized,
 		MnemonicPassphraseEnabled: deviceInfoResponse.DeviceInfo.MnemonicPassphraseEnabled,
 		SecurechipModel:           deviceInfoResponse.DeviceInfo.SecurechipModel,
+		Bluetooth:                 bluetooth,
 	}
 
 	return deviceInfo, nil

api/firmware/system.go

@@ -211,7 +211,9 @@ func main() {
 
 	info, err := device.DeviceInfo()
 	errpanic(err)
-	fmt.Printf("Device info: %+v", info)
+	infoJson, err := json.MarshalIndent(info, "", "    ")
+	errpanic(err)
+	fmt.Printf("Device info: %s", infoJson)
 	//signFromTxID(device, "48e83b2a44c21dab01fc7bad0df1b1d7a59e48af79069454a8320ec6a9d1aefb")
 
 	sig, err := device.ETHSignEIP1559(