Ecdsa.rn_fe: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend as Ecdsa
Lines 246-248 of bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&start_line=246&end_line=248

import Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend as F

# (r + n) mod p = (r - c_n + 2^256) mod p = (r - c_n + c_p) mod p
def rn_fe(+r: List<&2, Nat>) -> List<&2, Nat>:
  F.add(F.sub(r, cn_fe()), cp_fe())

Uses (6):
  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@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=cn_fe
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=cp_fe
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend&name=add
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend&name=sub