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29 add json generator #30

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29 add json generator #30

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b290d51
JSON generator added #29
ETatuzova Dec 22, 2023
8dd8b84
Merge with master #29
ETatuzova Dec 22, 2023
c20e54f
Move public input to the first position in JSON #29
ETatuzova Dec 23, 2023
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51 changes: 46 additions & 5 deletions bin/proof-generator/include/nil/proof-generator/prover.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,10 +53,34 @@
#include <nil/marshalling/endianness.hpp>

#include <nil/proof-generator/detail/utils.hpp>
#include <nil/proof-generator/recursive_json_generator.hpp>

namespace nil {
namespace proof_generator {
namespace detail {
bool read_buffer_from_file(std::ifstream &ifile, std::vector<std::uint8_t> &v) {
char c;
char c1;
uint8_t b;

ifile >> c;
if (c != '0')
return false;
ifile >> c;
if (c != 'x')
return false;
while (ifile) {
std::string str = "";
ifile >> c >> c1;
if (!isxdigit(c) || !isxdigit(c1))
return false;
str += c;
str += c1;
b = stoi(str, 0, 0x10);
v.push_back(b);
}
return true;
}

inline std::vector<std::size_t> generate_random_step_list(const std::size_t r, const int max_step) {
using dist_type = std::uniform_int_distribution<int>;
Expand Down Expand Up @@ -100,8 +124,8 @@ namespace nil {
using BlueprintFieldType = typename curve_type::base_field_type;
constexpr std::size_t WitnessColumns = 15;
constexpr std::size_t PublicInputColumns = 1;
constexpr std::size_t ConstantColumns = 35;
constexpr std::size_t SelectorColumns = 36;
constexpr std::size_t ConstantColumns = 32;
constexpr std::size_t SelectorColumns = 66;

using ArithmetizationParams =
nil::crypto3::zk::snark::plonk_arithmetization_params<WitnessColumns, PublicInputColumns, ConstantColumns,
Expand All @@ -126,12 +150,11 @@ namespace nil {
ConstraintSystemType constraint_system;
{
std::ifstream ifile;
ifile.open(circuit_file_name, std::ios_base::binary | std::ios_base::in);
ifile.open(circuit_file_name);
if (!ifile.is_open()) {
BOOST_LOG_TRIVIAL(error) << "Cannot find input file " << circuit_file_name;
return false;
}

std::vector<std::uint8_t> v;
ifile.seekg(0, std::ios_base::end);
const auto fsize = ifile.tellg();
Expand All @@ -156,7 +179,7 @@ namespace nil {
AssignmentTableType assignment_table;
{
std::ifstream iassignment;
iassignment.open(assignment_table_file_name, std::ios_base::binary | std::ios_base::in);
iassignment.open(assignment_table_file_name);
if (!iassignment) {
BOOST_LOG_TRIVIAL(error) << "Cannot open " << assignment_table_file_name;
return false;
Expand Down Expand Up @@ -257,6 +280,24 @@ namespace nil {
nil::crypto3::marshalling::types::fill_placeholder_proof<Endianness, ProofType>(proof);
proof_print<Endianness, ProofType>(proof, proof_file);
BOOST_LOG_TRIVIAL(info) << "Proof written";


{
constexpr std::array<std::size_t, PublicInputColumns> public_input_sizes = {50};

proof_file.replace_extension(".json");
std::ofstream output_file;
output_file.open(proof_file);
output_file << recursive_json_generator<
placeholder_params,
nil::crypto3::zk::snark::placeholder_proof<BlueprintFieldType, placeholder_params>,
typename nil::crypto3::zk::snark::placeholder_public_preprocessor<BlueprintFieldType, placeholder_params>::preprocessed_data_type::common_data_type
>::generate_input(
public_preprocessed_data.common_data.vk, assignment_table.public_inputs(), proof, public_input_sizes
);
output_file.close();
std::cout << "JSON written" << std::endl;
}
return true;
}
}
Expand Down
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