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34ef577604
This change replaces all include guards in the `src/` and `include/` directories by `#pragma once`.
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
#pragma once
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#include <xrpl/beast/utility/instrumentation.h>
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#include <xrpl/protocol/STAmount.h>
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#include <boost/operators.hpp>
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#include <cstdint>
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#include <ostream>
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namespace xrpl {
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/** Represents a transfer rate
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Transfer rates are specified as fractions of 1 billion.
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For example, a transfer rate of 1% is represented as
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1,010,000,000.
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*/
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struct Rate : private boost::totally_ordered<Rate>
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{
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std::uint32_t value;
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Rate() = delete;
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explicit Rate(std::uint32_t rate) : value(rate)
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{
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}
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};
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inline bool
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operator==(Rate const& lhs, Rate const& rhs) noexcept
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{
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return lhs.value == rhs.value;
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}
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inline bool
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operator<(Rate const& lhs, Rate const& rhs) noexcept
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{
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return lhs.value < rhs.value;
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}
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inline std::ostream&
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operator<<(std::ostream& os, Rate const& rate)
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{
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os << rate.value;
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return os;
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}
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STAmount
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multiply(STAmount const& amount, Rate const& rate);
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STAmount
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multiplyRound(STAmount const& amount, Rate const& rate, bool roundUp);
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STAmount
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multiplyRound(STAmount const& amount, Rate const& rate, Asset const& asset, bool roundUp);
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STAmount
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divide(STAmount const& amount, Rate const& rate);
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STAmount
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divideRound(STAmount const& amount, Rate const& rate, bool roundUp);
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STAmount
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divideRound(STAmount const& amount, Rate const& rate, Asset const& asset, bool roundUp);
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namespace nft {
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/** Given a transfer fee (in basis points) convert it to a transfer rate. */
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Rate
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transferFeeAsRate(std::uint16_t fee);
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} // namespace nft
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/** A transfer rate signifying a 1:1 exchange */
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extern Rate const parityRate;
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} // namespace xrpl
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