uhs/sentinel/client.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_CLIENT_H_
#define OPENCBDC_TX_SRC_SENTINEL_CLIENT_H_
 
#include "async_interface.hpp"
#include "uhs/transaction/transaction.hpp"
#include "util/common/config.hpp"
#include "util/network/connection_manager.hpp"
#include "util/rpc/tcp_client.hpp"
 
namespace cbdc::sentinel::rpc {
    class client : public interface, public async_interface {
      public:
        client(std::vector<network::endpoint_t> endpoints,
               std::shared_ptr<logging::log> logger);
 
        ~client() override = default;
 
        client() = delete;
        client(const client&) = delete;
        auto operator=(const client&) -> client& = delete;
        client(client&&) = delete;
        auto operator=(client&&) -> client& = delete;
 
        auto init(std::optional<bool> error_fatal = std::nullopt) -> bool;
 
        using execute_result_type
            = std::optional<cbdc::sentinel::execute_response>;
 
        auto execute_transaction(transaction::full_tx tx)
            -> execute_result_type override;
 
        auto execute_transaction(
            transaction::full_tx tx,
            std::function<void(execute_result_type)> result_callback)
            -> bool override;
 
        using validate_result_type = std::optional<validate_response>;
 
        auto validate_transaction(transaction::full_tx tx)
            -> validate_result_type override;
 
        auto validate_transaction(
            transaction::full_tx tx,
            std::function<void(validate_result_type)> result_callback)
            -> bool override;
 
      private:
        cbdc::config::options m_opts;
        std::shared_ptr<logging::log> m_logger;
 
        cbdc::rpc::tcp_client<request, response> m_client;
    };
}
#endif // OPENCBDC_TX_SRC_SENTINEL_CLIENT_H_