def keypair_of
import bend-collections@1.0.0.0/src/crypto/secp256k1.bend as Secp256k1import Base
42def keypair_of(+seed: List<&2, U32>, m: Maybe<&2, List<&2, U32>>) -> Maybe<&2, Keypair>:
43 match m:
44 case None{}: None{}
45 case Some{pk}: Some{Keypair{seed, pk}}