drop FirmwareUpdate.force field

cmd.py

@@ -121,7 +121,7 @@ class Commands(object):
             raise Exception("Trezor firmware header expected")
 
         fp.seek(0)
-        return self.client.firmware_update(fp=open(args.file, 'r'), force=args.force)
+        return self.client.firmware_update(fp=open(args.file, 'r'))
 
     list.help = 'List connected Trezor USB devices'
     ping.help = 'Send ping message'
@@ -164,7 +164,6 @@ class Commands(object):
 
     firmware_update.arguments = (
         (('-f', '--file'), {'type': str}),
-        (('-o', '--force'), {'type': bool, 'default': False})
     )
 
 def list_usb():

protobuf/trezor.proto

@@ -350,8 +350,7 @@ message TxOutput {
 //
 
 message FirmwareUpdate {
-	required bool force = 1;	// Force update, suppress message about wiping storage area
-	required bytes payload = 2 [(binary) = true];	// Firmware to flash into device
+	required bytes payload = 1 [(binary) = true];	// Firmware to flash into device
 }
 
 // ****************************************************************************

trezorlib/client.py

@@ -260,11 +260,11 @@ class TrezorClient(object):
         self.init_device()
         return isinstance(resp, proto.Success)
 
-    def firmware_update(self, fp, force=False):
+    def firmware_update(self, fp):
         if self.features.bootloader_mode == False:
             raise Exception("Device must be in bootloader mode")
 
-        resp = self.call(proto.FirmwareUpdate(force=force, payload=fp.read()))
+        resp = self.call(proto.FirmwareUpdate(payload=fp.read()))
         if isinstance(resp, proto.Success):
             return True