cardano: derive the root and then cache

4 years ago · 7d7ffe3b67
parent c9a6ada14f
commit 7d7ffe3b67
1 changed files with 3 additions and 7 deletions
--- a/core/src/apps/cardano/seed.py
+++ b/core/src/apps/cardano/seed.py
@ -47,14 +47,10 @@ async def get_keychain(ctx: wire.Context) -> Keychain:
            seed = mnemonic.get_seed(passphrase)
            root = bip32.from_seed(seed, "ed25519 cardano seed")

+        # derive the namespaced root node
+        for i in SEED_NAMESPACE:
+            root.derive_cardano(i)
        storage.cache.set(cache.APP_CARDANO_ROOT, root)

-    # let's not modify the one in the cache
-    root = root.clone()
-
-    # derive the namespaced root node
-    for i in SEED_NAMESPACE:
-        root.derive_cardano(i)
-
    keychain = Keychain(SEED_NAMESPACE, root)
    return keychain