Field.pow_step: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend as Field
Lines 78-82 of bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend&start_line=78&end_line=82

import Base

# x^e for the exponent e given by its bits, most significant first
def pow_step(b: Nat, +x: List<&2, Nat>, +s: List<&2, Nat>) -> List<&2, Nat>:
  match b:
    case 0n: s
    case 1n+k: mul(s, x)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend&name=mul