ByRatioNegSize< T > Class Template Reference

Wrapper around FeeFrac & derived types, which adds a total ordering which first sorts by feerate and then by reversed size (i.e., larger sizes come first). More...

#include <feefrac.h>

Collaboration diagram for ByRatioNegSize< T >:

Public Member Functions
constexpr	ByRatioNegSize (const T &feefrac) noexcept
	operator const T & () const noexcept

Private Attributes
const T &	m_feefrac

Friends
bool	operator== (const ByRatioNegSize &a, const ByRatioNegSize &b) noexcept
std::strong_ordering	operator<=> (const ByRatioNegSize &a, const ByRatioNegSize &b) noexcept

Detailed Description

template<std::derived_from< FeeFrac > T>
class ByRatioNegSize< T >

Wrapper around FeeFrac & derived types, which adds a total ordering which first sorts by feerate and then by reversed size (i.e., larger sizes come first).

This is not included inside FeeFrac itself, because it is not the most natural behavior, so it is better to make code using it invoke this explicitly.

The empty FeeFrac (fee and size both 0) sorts last. So for example, the following FeeFracs are in sorted order:

• fee=0 size=1 (feerate 0)
• fee=1 size=2 (feerate 0.5)
• fee=2 size=3 (feerate 0.667...)
• fee=2 size=2 (feerate 1)
• fee=1 size=1 (feerate 1)
• fee=3 size=2 (feerate 1.5)
• fee=2 size=1 (feerate 2)
• fee=0 size=0 (undefined feerate)

Definition at line 288 of file feefrac.h.

Constructor & Destructor Documentation

ByRatioNegSize()

template<std::derived_from< FeeFrac > T>

ByRatioNegSize< T >::ByRatioNegSize ( const T & feefrac )

inlineconstexprnoexcept

Definition at line 293 of file feefrac.h.

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Member Function Documentation

operator const T &()

template<std::derived_from< FeeFrac > T>

ByRatioNegSize< T >::operator const T & ( ) const

inlinenoexcept

Definition at line 310 of file feefrac.h.

Friends And Related Symbol Documentation

operator<=>

template<std::derived_from< FeeFrac > T>

std::strong_ordering operator<=> ( const ByRatioNegSize< T > & a, const ByRatioNegSize< T > & b )

friend

Definition at line 300 of file feefrac.h.

operator==

template<std::derived_from< FeeFrac > T>

bool operator== ( const ByRatioNegSize< T > & a, const ByRatioNegSize< T > & b )

friend

Definition at line 295 of file feefrac.h.

Member Data Documentation

m_feefrac

template<std::derived_from< FeeFrac > T>

const T& ByRatioNegSize< T >::m_feefrac

private

Definition at line 290 of file feefrac.h.

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The documentation for this class was generated from the following file:

• src/util/feefrac.h