Psign.att_v: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/psign.bend as Psign
Lines 156-160 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/psign.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/psign.bend&start_line=156&end_line=160

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/field.bend as FS
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend as CV
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend as ES
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/bytes.bend as B
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend as E
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bytes.bend as BY
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/pscal.bend as SQ

def att_v(+one: Nat, +h1: {one == 1n : Nat}, +z: List<&2, Nat>, +hz: {FS.reduced(one, FS.order(one), z) == True{} : Bool}, +d: List<&2, Nat>, +hd: {FS.reduced(one, FS.order(one), d) == True{} : Bool}, +v: List<&2, U32>, +hv: {B.has_len(32n, v) == True{} : Bool}) -> {matt(E.attempt(z, d, v)) == ES.attempt(one, FS.value(one, z), FS.value(one, d), v) : ES.Attempt}:
  %Equal.sym(Bool, E.scalar_ok(B.of_be(v)), ES.scalar_ok(one, FS.value(one, B.of_be(v))), SQ.scalar_ok_v(one, h1, B.of_be(v))) : {matt(E.attempt_ok(z, d, B.of_be(v), _)) == ES.attempt_ok(one, FS.value(one, z), FS.value(one, d), CV.os2ip(v), ES.scalar_ok(one, CV.os2ip(v))) : ES.Attempt}
  %Equal.sym(Nat, CV.os2ip(v), FS.value(one, B.of_be(v)), Equal.sym(Nat, FS.value(one, B.of_be(v)), CV.os2ip(v), BY.of_be_value(one, h1, v))) : {matt(E.attempt_ok(z, d, B.of_be(v), ES.scalar_ok(one, FS.value(one, B.of_be(v))))) == ES.attempt_ok(one, FS.value(one, z), FS.value(one, d), _, ES.scalar_ok(one, CV.os2ip(v))) : ES.Attempt}
  %Equal.sym(Nat, CV.os2ip(v), FS.value(one, B.of_be(v)), Equal.sym(Nat, FS.value(one, B.of_be(v)), CV.os2ip(v), BY.of_be_value(one, h1, v))) : {matt(E.attempt_ok(z, d, B.of_be(v), ES.scalar_ok(one, FS.value(one, B.of_be(v))))) == ES.attempt_ok(one, FS.value(one, z), FS.value(one, d), FS.value(one, B.of_be(v)), ES.scalar_ok(one, _)) : ES.Attempt}
  aok(one, h1, z, hz, d, hd, B.of_be(v), BY.of_be_limbs(one, h1, v, hv), ES.scalar_ok(one, FS.value(one, B.of_be(v))), {==})

Uses (23):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  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=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bytes.bend&name=of_be_limbs
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/bytes.bend&name=of_be_value
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/pscal.bend&name=scalar_ok_v
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/psign.bend&name=aok
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/secp256k1/psign.bend&name=matt
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/curve.bend&name=os2ip
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend&name=Attempt
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend&name=attempt
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend&name=attempt_ok
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/ecdsa.bend&name=scalar_ok
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/field.bend&name=order
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/field.bend&name=reduced
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/secp256k1/field.bend&name=value
  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/bytes.bend&name=of_be
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=attempt
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=attempt_ok
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/ecdsa.bend&name=scalar_ok