Function simplicity_calculateToken

src/simplicity/elements/ops.c:115–125

Compute an Element's issuance Token ID value from an entropy value and an amount prefix. * A reimplementation of CalculateReissuanceToken from Element's 'issuance.cpp'. * * Precondition: NULL != entropy; */

 * Precondition: NULL != entropy;
 */
sha256_midstate simplicity_calculateToken(const sha256_midstate* entropy, confPrefix prefix) {
  uint32_t block[16] = {0};
  sha256_midstate result;

  memcpy(&block[0], entropy->s, sizeof(entropy->s));
  block[8] = is_confidential(prefix) ? 0x02000000 : 0x01000000;
  sha256_iv(result.s);
  simplicity_sha256_compression(result.s, block);

  return result;
}

/* Compute an Element's tapleaf hash from a tapleaf version and a 256-bit script value.
 * A reimplementation of ComputeTapleafHash from Element's 'interpreter.cpp'.