protocol/Fees.h

#pragma once
 
#include <xrpl/protocol/XRPAmount.h>
 
#include <cstdint>
 
namespace xrpl {
 
// Deprecated constant for backwards compatibility with pre-XRPFees amendment.
// This was the reference fee units used in the old fee calculation.
inline constexpr std::uint32_t kFeeUnitsDeprecated = 10;

struct Fees
{
    XRPAmount base{0};

    XRPAmount reserve{0};

    XRPAmount increment{0};
 
    explicit Fees() = default;
    Fees(Fees const&) = default;
    Fees&
    operator=(Fees const&) = default;
 
    Fees(XRPAmount base, XRPAmount reserve, XRPAmount increment)
        : base(base), reserve(reserve), increment(increment)
    {
    }

    [[nodiscard]] XRPAmount
    accountReserve(std::uint32_t ownerCount, std::uint32_t accountCount) const
    {
        return (reserve * accountCount) + (increment * ownerCount);
    }
};
 
}  // namespace xrpl