feat(core): make get_seed synchronous

[no changelog]

core/src/apps/base.py

@@ -322,7 +322,7 @@ async def handle_UnlockPath(msg: UnlockPath) -> protobuf.MessageType:
     if msg.address_n != [SLIP25_PURPOSE]:
         raise wire.DataError("Invalid path")
 
-    seed = await get_seed()
+    seed = get_seed()
     node = Slip21Node(seed)
     node.derive_path(_KEYCHAIN_MAC_KEY_PATH)
     mac = utils.HashWriter(hmac(hmac.SHA256, node.key()))

core/src/apps/cardano/seed.py

@@ -152,7 +152,7 @@ async def _get_keychain_bip39(derivation_type: CardanoDerivationType) -> Keychai
         raise wire.NotInitialized("Device is not initialized")
 
     if derivation_type == CardanoDerivationType.LEDGER:
-        seed = await get_seed()
+        seed = get_seed()
         return Keychain(cardano.from_seed_ledger(seed))
 
     if not context.cache_get_bool(APP_COMMON_DERIVE_CARDANO):
@@ -179,7 +179,7 @@ async def _get_keychain(derivation_type: CardanoDerivationType) -> Keychain:
         return await _get_keychain_bip39(derivation_type)
     else:
         # derive the root node via SLIP-0023 https://github.com/satoshilabs/slips/blob/master/slip-0023.md
-        seed = await get_seed()
+        seed = get_seed()
         return Keychain(cardano.from_seed_slip23(seed))
 
 

core/src/apps/common/keychain.py

@@ -172,7 +172,7 @@ async def get_keychain(
 ) -> Keychain:
     from .seed import get_seed
 
-    seed = await get_seed()
+    seed = get_seed()
     keychain = Keychain(seed, curve, schemas, slip21_namespaces)
     return keychain
 

core/src/apps/common/seed.py

@@ -60,7 +60,7 @@ class Slip21Node:
         return Slip21Node(data=self.data)
 
 
-async def get_seed() -> bytes:
+def get_seed() -> bytes:
     common_seed = context.cache_get(APP_COMMON_SEED)
     assert common_seed is not None
     return common_seed