async_interface.hpp

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// Copyright (c) 2021 MIT Digital Currency Initiative,
//                    Federal Reserve Bank of Boston
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef OPENCBDC_TX_SRC_SENTINEL_2PC_INTERFACE_H_
#define OPENCBDC_TX_SRC_SENTINEL_2PC_INTERFACE_H_
 
#include "uhs/sentinel/interface.hpp"
#include "uhs/transaction/validation.hpp"
#include "util/common/hash.hpp"
 
#include <optional>
#include <string>
 
namespace cbdc::sentinel {
    class async_interface {
      public:
        virtual ~async_interface() = default;
 
        async_interface() = default;
        async_interface(const async_interface&) = delete;
        auto operator=(const async_interface&) -> async_interface& = delete;
        async_interface(async_interface&&) = delete;
        auto operator=(async_interface&&) -> async_interface& = delete;
 
        using result_callback_type
            = std::function<void(std::optional<cbdc::sentinel::response>)>;
 
        using execute_result_callback_type = std::function<void(
            std::optional<cbdc::sentinel::execute_response>)>;
 
        virtual auto
        execute_transaction(transaction::full_tx tx,
                            execute_result_callback_type result_callback)
            -> bool
            = 0;
 
        using validate_result
            = std::optional<cbdc::sentinel::validate_response>;
        using validate_result_callback_type
            = std::function<void(validate_result)>;
 
        virtual auto
        validate_transaction(transaction::full_tx tx,
                             validate_result_callback_type result_callback)
            -> bool
            = 0;
    };
}
 
#endif