bbapi_schnorr.hpp

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#pragma once
#include "barretenberg/bbapi/bbapi_shared.hpp"
#include "barretenberg/common/named_union.hpp"
#include "barretenberg/crypto/schnorr/schnorr.hpp"
#include "barretenberg/ecc/curves/grumpkin/grumpkin.hpp"
#include "barretenberg/serialize/msgpack.hpp"
#include <array>
#include <cstdint>
#include <vector>
 
namespace bb::bbapi {
 
struct SchnorrComputePublicKey {
    static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrComputePublicKey";
 
    struct Response {
        static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrComputePublicKeyResponse";
        grumpkin::g1::affine_element public_key;
        MSGPACK_FIELDS(public_key);
        bool operator==(const Response&) const = default;
    };
 
    grumpkin::fr private_key;
    Response execute(BBApiRequest& request) &&;
    MSGPACK_FIELDS(private_key);
    bool operator==(const SchnorrComputePublicKey&) const = default;
};
 
struct SchnorrConstructSignature {
    static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrConstructSignature";
 
    struct Response {
        static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrConstructSignatureResponse";
        std::array<uint8_t, 32> s;
        std::array<uint8_t, 32> e;
        MSGPACK_FIELDS(s, e);
        bool operator==(const Response&) const = default;
    };
 
    std::vector<uint8_t> message; // Variable length
    grumpkin::fr private_key;
    Response execute(BBApiRequest& request) &&;
    MSGPACK_FIELDS(message, private_key);
    bool operator==(const SchnorrConstructSignature&) const = default;
};
 
struct SchnorrVerifySignature {
    static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrVerifySignature";
 
    struct Response {
        static constexpr const char MSGPACK_SCHEMA_NAME[] = "SchnorrVerifySignatureResponse";
        bool verified;
        MSGPACK_FIELDS(verified);
        bool operator==(const Response&) const = default;
    };
 
    std::vector<uint8_t> message;
    grumpkin::g1::affine_element public_key;
    std::array<uint8_t, 32> s;
    std::array<uint8_t, 32> e;
    Response execute(BBApiRequest& request) &&;
    MSGPACK_FIELDS(message, public_key, s, e);
    bool operator==(const SchnorrVerifySignature&) const = default;
};
 
} // namespace bb::bbapi