BookOffers.hpp

#pragma once
 
#include "data/AmendmentCenterInterface.hpp"
#include "data/BackendInterface.hpp"
#include "rpc/common/SpecBackend.hpp"
#include "rpc/common/Types.hpp"
 
#include <boost/json/array.hpp>
#include <boost/json/conversion.hpp>
#include <boost/json/object.hpp>
#include <boost/json/value.hpp>
#include <rpcspec/handlers/book_offers/Types.hpp>
 
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
 
namespace rpc {

class BookOffersHandler : public rpc::HandlerFor<rpc::spec::handlers::book_offers::Input> {
    std::shared_ptr<BackendInterface> sharedPtrBackend_;
    std::shared_ptr<data::AmendmentCenterInterface const> amendmentCenter_;
 
public:
    static constexpr auto kLimitMin = rpc::spec::handlers::book_offers::kLimitMin;
    static constexpr auto kLimitMax = rpc::spec::handlers::book_offers::kLimitMax;
    static constexpr auto kLimitDefault = rpc::spec::handlers::book_offers::kLimitDefault;

    struct Output {
        std::string ledgerHash;
        uint32_t ledgerIndex;
        boost::json::array offers;
        bool validated = true;
    };
 
    using Result = HandlerReturnType<Output>;

    BookOffersHandler(
        std::shared_ptr<BackendInterface> sharedPtrBackend,
        std::shared_ptr<data::AmendmentCenterInterface const> const& amendmentCenter
    )
        : sharedPtrBackend_(std::move(sharedPtrBackend)), amendmentCenter_{amendmentCenter}
    {
    }

    [[nodiscard]] Result
    process(Input const& input, Context const& ctx) const;
 
private:
    friend void
    tag_invoke(boost::json::value_from_tag, boost::json::value& jv, Output const& output);
};
}  // namespace rpc