42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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This is a wrapper around libsnark which provides basic R1CS
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zk-SNARK support using the ALT_BN128 curve.
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*/
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#include "gadgetlib1/gadgets/basic_gadgets.hpp"
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#include "zk_proof_systems/ppzksnark/r1cs_ppzksnark/r1cs_ppzksnark.hpp"
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#include "common/default_types/r1cs_ppzksnark_pp.hpp"
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#include "common/utils.hpp"
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using namespace libsnark;
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using namespace std;
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extern "C" void tinysnark_init_public_params() {
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default_r1cs_ppzksnark_pp::init_public_params();
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}
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extern "C" void tinysnark_test() {
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typedef Fr<default_r1cs_ppzksnark_pp> FieldT;
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protoboard<FieldT> pb;
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linear_combination<FieldT> sum;
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sum = sum + 1;
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pb.add_r1cs_constraint(r1cs_constraint<FieldT>(1, sum, 1), "testing");
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assert(pb.is_satisfied());
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const r1cs_constraint_system<FieldT> constraint_system = pb.get_constraint_system();
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cout << "Number of R1CS constraints: " << constraint_system.num_constraints() << endl;
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auto keypair = r1cs_ppzksnark_generator<default_r1cs_ppzksnark_pp>(constraint_system);
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auto proof = r1cs_ppzksnark_prover<default_r1cs_ppzksnark_pp>(keypair.pk, pb.primary_input(), pb.auxiliary_input());
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r1cs_primary_input<FieldT> input;
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assert(r1cs_ppzksnark_verifier_strong_IC<default_r1cs_ppzksnark_pp>(keypair.vk, input, proof));
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} |