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check if keyset exists

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This commit is contained in:
callebtc
2022-10-10 22:26:21 +02:00
parent 9c3e856d4f
commit d9918def50
1 changed files with 3 additions and 3 deletions
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6
cashu/mint/ledger.py
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@@ -119,9 +119,9 @@ class Ledger:
# backwards compatibility with old hash_to_curve
# old clients do not send a version or
# new clients will send tokens which have a keyset id without a version
if (
not context.get("client-version")
or not self.keysets.keysets[proof.id].version
if not context.get("client-version") or (
self.keysets.keysets.get(proof.id)
and not self.keysets.keysets[proof.id].version
):
return legacy.verify_pre_0_3_3(secret_key, C, proof.secret)
try: