update protobuf, update tox.ini, prepare for BackupDevice

tox.ini

@@ -1,6 +1,13 @@
 [tox]
-envlist = py27,py34,py35,py36
+envlist =
+    py27,
+    py34,
+    py35,
+    py36,
 
 [testenv]
-deps = -rrequirements.txt
-commands = python -m compileall trezorlib/
+deps =
+    -rrequirements.txt
+commands =
+    python -m compileall trezorlib/
+    python trezorctl

trezorctl

@@ -297,7 +297,11 @@ class Commands(object):
 
     def reset_device(self, args):
         return self.client.reset_device(True, args.strength, args.passphrase_protection,
-                                        args.pin_protection, args.label, 'english')
+                                        args.pin_protection, args.label, 'english',
+                                        args.u2f_counter, args.skip_backup)
+
+    def backup_device(self, args):
+        return self.client.backup_device()
 
     def sign_message(self, args):
         address_n = self.client.expand_path(args.n)
@@ -398,6 +402,7 @@ class Commands(object):
     recovery_device.help = 'Start safe recovery workflow'
     load_device.help = 'Load custom configuration to the device'
     reset_device.help = 'Perform device setup and generate new seed'
+    backup_device.help = 'Perform device seed backup'
     sign_message.help = 'Sign message using address of given path'
     verify_message.help = 'Verify message'
     encrypt_message.help = 'Encrypt message'
@@ -492,8 +497,12 @@ class Commands(object):
         (('-p', '--pin-protection'), {'action': 'store_true', 'default': False}),
         (('-r', '--passphrase-protection'), {'action': 'store_true', 'default': False}),
         (('-l', '--label'), {'type': str, 'default': ''}),
+        (('-u', '--u2f-counter'), {'type': int, 'default': 0}),
+        (('-s', '--skip-backup'), {'action': 'store_true', 'default': False}),
     )
 
+    backup_device.arguments = ()
+
     sign_message.arguments = (
         (('-c', '--coin'), {'type': str, 'default': 'Bitcoin'}),
         (('-n', '-address'), {'type': str}),

trezorlib/client.py

@@ -859,17 +859,19 @@ class ProtocolMixin(object):
     @field('message')
     @expect(proto.Success)
     @session
-    def reset_device(self, display_random, strength, passphrase_protection, pin_protection, label, language):
+    def reset_device(self, display_random, strength, passphrase_protection, pin_protection, label, language, u2f_counter, skip_backup):
         if self.features.initialized:
             raise Exception("Device is initialized already. Call wipe_device() and try again.")
 
         # Begin with device reset workflow
         msg = proto.ResetDevice(display_random=display_random,
                                 strength=strength,
-                                language=language,
                                 passphrase_protection=bool(passphrase_protection),
                                 pin_protection=bool(pin_protection),
-                                label=label)
+                                language=language,
+                                label=label,
+                                u2f_counter=u2f_counter,
+                                skip_backup=bool(skip_backup))
 
         resp = self.call(msg)
         if not isinstance(resp, proto.EntropyRequest):
@@ -881,6 +883,12 @@ class ProtocolMixin(object):
         self.init_device()
         return ret
 
+    @field('message')
+    @expect(proto.Success)
+    def backup_device(self):
+        ret = self.call(proto.BackupDevice())
+        return ret
+
     @field('message')
     @expect(proto.Success)
     def load_device_by_mnemonic(self, mnemonic, pin, passphrase_protection, label, language, skip_checksum=False, expand=False):