Schnorr.sign: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/schnorr.bend as Schnorr
Lines 155-159 of bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/schnorr.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/schnorr.bend&start_line=155&end_line=159

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/bytes.bend as B

# BIP-340 Sign(sk, m, a) for a 32-byte secret key and 32 bytes of auxiliary
# randomness; None for an invalid key (or, with negligible probability, a
# zero nonce or a failed self-check)
def sign(+sk: List<&2, U32>, +m: List<&2, U32>, +aux: List<&2, U32>) -> Maybe<&2, List<&2, U32>>:
  sign_len(sk, m, aux, B.has_len(32n, aux))

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=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/bytes.bend&name=has_len
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/schnorr.bend&name=sign_len