c_bind.cpp

Go to the documentation of this file.

#include "c_bind.hpp"
#include "barretenberg/common/serialize.hpp"
#include "barretenberg/ecc/curves/bn254/bn254.hpp"
#include "barretenberg/srs/factories/bn254_crs_data.hpp"
#include "global_crs.hpp"
#include <barretenberg/common/streams.hpp>
#include <barretenberg/ecc/curves/bn254/g1.hpp>
#include <barretenberg/ecc/curves/bn254/g2.hpp>
#include <cstddef>
#include <cstdint>
#include <sys/types.h>
 
using namespace bb;
 
WASM_EXPORT void srs_init_srs(uint8_t const* points_buf, uint32_t const* num_points_buf)
{
    auto num_points = ntohl(*num_points_buf);
    auto g1_points = std::vector<g1::affine_element>(num_points);
    for (size_t i = 0; i < num_points; ++i) {
        g1_points[i] = from_buffer<bb::g1::affine_element>(points_buf, i * 64);
    }
    auto g2_point = bb::srs::get_bn254_g2_crs_element();
    bb::srs::init_bn254_mem_crs_factory(g1_points, g2_point);
}
 
WASM_EXPORT void srs_init_grumpkin_srs(uint8_t const* points_buf, uint32_t const* num_points)
{
    std::vector<curve::Grumpkin::AffineElement> points(ntohl(*num_points));
    for (uint32_t i = 0; i < points.size(); ++i) {
        points[i] = from_buffer<curve::Grumpkin::AffineElement>(points_buf, i * sizeof(curve::Grumpkin::AffineElement));
    }
    bb::srs::init_grumpkin_mem_crs_factory(points);
}