def digest_bytes
import bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend as Ecdsaimport Base
300def digest_bytes(m: Maybe<&1, Array<U32>>) -> List<&2, U32>:
301 match m:
302 case None{}: Nil{}
303 case Some{a}: unpack(Array.to_list(~U32, a))