Secp256k1.compact: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1.bend as Secp256k1
Lines 87-90 of bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1.bend&start_line=87&end_line=90

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend as E

def compact(m: Maybe<&2, E.Signature>) -> Maybe<&2, List<&2, U32>>:
  match m:
    case None{}: None{}
    case Some{E.Signature{r, s, v}}: Some{List.append(&2, U32, r, List.append(&2, U32, s, [v]))}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=Signature