librustzcash.h

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#ifndef PIVX_RUST_INCLUDE_LIBRUSTZCASH_H
#define PIVX_RUST_INCLUDE_LIBRUSTZCASH_H
 
#include <stdint.h>
 
extern "C" {
#ifdef WIN32
    typedef uint16_t codeunit;
#else
    typedef uint8_t codeunit;
#endif
 
    void librustzcash_to_scalar(const unsigned char *input, unsigned char *result);
 
    void librustzcash_ask_to_ak(const unsigned char *ask, unsigned char *result);
 
    void librustzcash_nsk_to_nk(const unsigned char *nsk, unsigned char *result);
 
    void librustzcash_crh_ivk(const unsigned char *ak, const unsigned char *nk, unsigned char *result);
 
    bool librustzcash_check_diversifier(const unsigned char *diversifier);
 
    bool librustzcash_ivk_to_pkd(const unsigned char *ivk, const unsigned char *diversifier, unsigned char *result);
 
    void librustzcash_init_zksnark_params(
        const codeunit* spend_path,
        size_t spend_path_len,
        const char* spend_hash,
        const codeunit* output_path,
        size_t output_path_len,
        const char* output_hash,
        const codeunit* sprout_path,
        size_t sprout_path_len,
        const char* sprout_hash
    );
 
    bool librustzcash_eh_isvalid(
        uint32_t n,
        uint32_t k,
        const unsigned char* input,
        size_t input_len,
        const unsigned char* nonce,
        size_t nonce_len,
        const unsigned char* soln,
        size_t soln_len
    );
 
    void librustzcash_tree_uncommitted(
        unsigned char *result
    );
 
    void librustzcash_merkle_hash(
        size_t depth,
        const unsigned char *a,
        const unsigned char *b,
        unsigned char *result
    );
 
    bool librustzcash_sapling_spend_sig(
        const unsigned char *ask,
        const unsigned char *ar,
        const unsigned char *sighash,
        unsigned char *result
    );
 
    void * librustzcash_sapling_proving_ctx_init();
 
    bool librustzcash_sapling_spend_proof(
        void *ctx,
        const unsigned char *ak,
        const unsigned char *nsk,
        const unsigned char *diversifier,
        const unsigned char *rcm,
        const unsigned char *ar,
        const uint64_t value,
        const unsigned char *anchor,
        const unsigned char *witness,
        unsigned char *cv,
        unsigned char *rk,
        unsigned char *zkproof
    );
 
    bool librustzcash_sapling_output_proof(
        void *ctx,
        const unsigned char *esk,
        const unsigned char *payment_address,
        const unsigned char *rcm,
        const uint64_t value,
        unsigned char *cv,
        unsigned char *zkproof
    );
 
    bool librustzcash_sapling_binding_sig(
        const void *ctx,
        int64_t valueBalance,
        const unsigned char *sighash,
        unsigned char *result
    );
 
    void librustzcash_sapling_proving_ctx_free(void *);
 
    void * librustzcash_sapling_verification_ctx_init();
 
    bool librustzcash_sapling_check_spend(
        void *ctx,
        const unsigned char *cv,
        const unsigned char *anchor,
        const unsigned char *nullifier,
        const unsigned char *rk,
        const unsigned char *zkproof,
        const unsigned char *spendAuthSig,
        const unsigned char *sighashValue
    );
 
    bool librustzcash_sapling_check_output(
        void *ctx,
        const unsigned char *cv,
        const unsigned char *cm,
        const unsigned char *ephemeralKey,
        const unsigned char *zkproof
    );
 
    bool librustzcash_sapling_final_check(
        void *ctx,
        int64_t valueBalance,
        const unsigned char *bindingSig,
        const unsigned char *sighashValue
    );
 
    void librustzcash_sapling_verification_ctx_free(void *);
 
    bool librustzcash_sapling_compute_nf(
        const unsigned char *diversifier,
        const unsigned char *pk_d,
        const uint64_t value,
        const unsigned char *r,
        const unsigned char *ak,
        const unsigned char *nk,
        const uint64_t position,
        unsigned char *result
    );
 
    bool librustzcash_sapling_compute_cm(
        const unsigned char *diversifier,
        const unsigned char *pk_d,
        const uint64_t value,
        const unsigned char *r,
        unsigned char *result
    );
 
    bool librustzcash_sapling_ka_agree(
        const unsigned char *p,
        const unsigned char *sk,
        unsigned char *result
    );
 
    bool librustzcash_sapling_ka_derivepublic(
        const unsigned char *diversifier,
        const unsigned char *esk,
        unsigned char *result
    );
 
    void librustzcash_sapling_generate_r(
        unsigned char *result
    );
 
    void librustzcash_sprout_prove(
        unsigned char *proof_out,
 
        const unsigned char *phi,
        const unsigned char *rt,
        const unsigned char *h_sig,
 
        const unsigned char *in_sk1,
        uint64_t in_value1,
        const unsigned char *in_rho1,
        const unsigned char *in_r1,
        const unsigned char *in_auth1,
 
        const unsigned char *in_sk2,
        uint64_t in_value2,
        const unsigned char *in_rho2,
        const unsigned char *in_r2,
        const unsigned char *in_auth2,
 
        const unsigned char *out_pk1,
        uint64_t out_value1,
        const unsigned char *out_r1,
 
        const unsigned char *out_pk2,
        uint64_t out_value2,
        const unsigned char *out_r2,
 
        uint64_t vpub_old,
        uint64_t vpub_new
    );
 
    bool librustzcash_sprout_verify(
        const unsigned char *proof,
        const unsigned char *rt,
        const unsigned char *h_sig,
        const unsigned char *mac1,
        const unsigned char *mac2,
        const unsigned char *nf1,
        const unsigned char *nf2,
        const unsigned char *cm1,
        const unsigned char *cm2,
        uint64_t vpub_old,
        uint64_t vpub_new
    );
 
    void librustzcash_zip32_xsk_master(
        const unsigned char *seed,
        size_t seedlen,
        unsigned char *xsk_master
    );
 
    void librustzcash_zip32_xsk_derive(
        const unsigned char *xsk_parent,
        uint32_t i,
        unsigned char *xsk_i
    );
 
    bool librustzcash_zip32_xfvk_derive(
        const unsigned char *xfvk_parent,
        uint32_t i,
        unsigned char *xfvk_i
    );
 
    bool librustzcash_zip32_xfvk_address(
        const unsigned char *xfvk,
        const unsigned char *j,
        unsigned char *j_ret,
        unsigned char *addr_ret
    );
}
 
#endif // PIVX_RUST_INCLUDE_LIBRUSTZCASH_H