src/apps/homescreen: add missing fields to Features

src/apps/common/cache.py

@@ -38,6 +38,11 @@ def set_seed(seed, passphrase):
     _seed, _passphrase = seed, _passphrase
 
 
+def has_passphrase():
+    global _passphrase
+    return _passphrase is not None
+
+
 def clear():
     global _seed, _passphrase
     global _state_salt

src/apps/homescreen/__init__.py

@@ -16,21 +16,22 @@ async def respond_Features(ctx, msg):
 
     f = Features()
     f.vendor = 'trezor.io'
-    f.revision = symbol('GITREV')
     f.major_version = symbol('VERSION_MAJOR')
     f.minor_version = symbol('VERSION_MINOR')
     f.patch_version = symbol('VERSION_PATCH')
-    f.model = 'T'
-    f.coins = coins.COINS
-
     f.device_id = storage.get_device_id()
+    f.pin_protection = config.has_pin()
+    f.passphrase_protection = storage.has_passphrase()
+    f.language = 'english'
     f.label = storage.get_label()
+    f.coins = coins.COINS
     f.initialized = storage.is_initialized()
-    f.passphrase_protection = storage.has_passphrase()
-    f.pin_protection = config.has_pin()
+    f.revision = symbol('GITREV')
+    f.pin_cached = config.has_pin()
+    f.passphrase_cached = cache.has_passphrase()
+    f.needs_backup = storage.needs_backup()
     f.flags = storage.get_flags()
-    f.language = 'english'
-
+    f.model = 'T'
     f.state = cache.get_state()
 
     return f