LedgerFetcherInterface.hpp

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#pragma once
 
#include <xrpl/proto/org/xrpl/rpc/v1/get_ledger.pb.h>
#include <xrpl/proto/org/xrpl/rpc/v1/ledger.pb.h>
 
#include <cstdint>
#include <optional>
 
namespace etl {

struct LedgerFetcherInterface {
    using GetLedgerResponseType = org::xrpl::rpc::v1::GetLedgerResponse;
    using OptionalGetLedgerResponseType = std::optional<GetLedgerResponseType>;
 
    virtual ~LedgerFetcherInterface() = default;

    [[nodiscard]] virtual OptionalGetLedgerResponseType
    fetchData(uint32_t seq) = 0;

    [[nodiscard]] virtual OptionalGetLedgerResponseType
    fetchDataAndDiff(uint32_t seq) = 0;
};
 
}  // namespace etl