def pubkey_d
import bend-collections@1.0.0.0/src/crypto/secp256k1/schnorr.bend as Schnorrimport Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/point.bend as P
105def pubkey_d(m: Maybe<&2, List<&2, Nat>>) -> Maybe<&2, List<&2, U32>>:
106 match m:
107 case None{}: None{}
108 case Some{d}: Some{pubkey_aff(P.to_affine(P.mul(d, P.g())))}