simplicity-sys 0.2.0

/* This module defines operations used in the construction the environment ('txEnv') and some jets.
 */
#ifndef SIMPLICITY_PRIMITIVE_ELEMENTS_OPS_H
#define SIMPLICITY_PRIMITIVE_ELEMENTS_OPS_H

#include "../../sha256.h"
#include "primitive.h"

/* Compute an Element's entropy value from a prevoutpoint and a contract hash.
 * A reimplementation of GenerateAssetEntropy from Element's 'issuance.cpp'.
 *
 * Precondition: NULL != op;
 *               NULL != contract;
 */
sha256_midstate generateIssuanceEntropy(const outpoint* op, const sha256_midstate* contract);

/* Compute an Element's issuance Asset ID value from an entropy value.
 * A reimplementation of CalculateAsset from Element's 'issuance.cpp'.
 *
 * Precondition: NULL != entropy;
 */
sha256_midstate calculateAsset(const sha256_midstate* entropy);

/* 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;
 */
sha256_midstate calculateToken(const sha256_midstate* entropy, confPrefix prefix);

/* 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'.
 * Only 256-bit script values are supported as that is the size used for Simplicity CMRs.
 *
 * Precondition: NULL != cmr;
 */
sha256_midstate make_tapleaf(unsigned char version, const sha256_midstate* cmr);

/* Compute an Element's tapbrach hash from two branches.
 *
 * Precondition: NULL != a;
 *               NULL != b;
 */
sha256_midstate make_tapbranch(const sha256_midstate* a, const sha256_midstate* b);

#endif