force sorted dictionary for keyset calculation

cashu/core/crypto.py

@@ -38,7 +38,9 @@ def derive_pubkeys(keys: Dict[int, PrivateKey]):
 
 def derive_keyset_id(keys: Dict[int, PublicKey]):
     """Deterministic derivation keyset_id from set of public keys."""
-    pubkeys_concat = "".join([p.serialize().hex() for _, p in keys.items()])
+    # sort public keys by amount
+    sorted_keys = dict(sorted(keys.items()))
+    pubkeys_concat = "".join([p.serialize().hex() for _, p in sorted_keys.items()])
     return base64.b64encode(
         hashlib.sha256((pubkeys_concat).encode("utf-8")).digest()
     ).decode()[:12]

cashu/mint/startup.py

@@ -8,7 +8,6 @@ from loguru import logger
 from cashu.core.migrations import migrate_databases
 from cashu.core.settings import CASHU_DIR, LIGHTNING
 
-# from cashu.lightning import WALLET
 from cashu.mint import migrations
 
 from cashu.mint.ledger import Ledger