def scalar_ok

bend-collections@1.0.0.0 · src/crypto/secp256k1/ecdsa.bend:24

import Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/scalar.bend as S

24# 1 <= x < n
25def scalar_ok(+x: List<&2, Nat>) -> Bool:
26  Bool.and(Bool.not(S.is_zero(x)), S.lt_n(x))