uint256 Class Reference

256-bit opaque blob. More...

#include <uint256.h>

Inheritance diagram for uint256:

Collaboration diagram for uint256:

Public Member Functions
constexpr	uint256 ()=default
consteval	uint256 (std::string_view hex_str)
constexpr	uint256 (uint8_t v)
constexpr	uint256 (std::span< const unsigned char > vch)
Public Member Functions inherited from base_blob< 256 >
constexpr	base_blob ()
constexpr	base_blob (uint8_t v)
constexpr	base_blob (std::span< const unsigned char > vch)
consteval	base_blob (std::string_view hex_str)
constexpr bool	IsNull () const
constexpr void	SetNull ()
constexpr bool	operator== (const base_blob &) const=default
constexpr std::strong_ordering	operator<=> (const base_blob &other) const=default
	Lexicographic ordering.
constexpr const unsigned char *	data () const
constexpr unsigned char *	data ()
constexpr unsigned char *	begin ()
constexpr const unsigned char *	begin () const
constexpr unsigned char *	end ()
constexpr const unsigned char *	end () const
constexpr uint64_t	GetUint64 (int pos) const
void	Serialize (Stream &s) const
void	Unserialize (Stream &s)
std::string	GetHex () const
std::string	ToString () const

Static Public Member Functions
static std::optional< uint256 >	FromHex (std::string_view str)
static std::optional< uint256 >	FromUserHex (std::string_view str)
Static Public Member Functions inherited from base_blob< 256 >
static constexpr unsigned int	size ()

Static Public Attributes
static const uint256	ZERO
static const uint256	ONE

Additional Inherited Members
Protected Attributes inherited from base_blob< 256 >
std::array< uint8_t, WIDTH >	m_data
Static Protected Attributes inherited from base_blob< 256 >
static constexpr int	WIDTH

Detailed Description

256-bit opaque blob.

Note

This type is called uint256 for historical reasons only. It is an opaque blob of 256 bits and has no integer operations. Use arith_uint256 if those are required.

Definition at line 196 of file uint256.h.

Constructor & Destructor Documentation

uint256() [1/4]

constexpr uint256::uint256 ( )

constexprdefault

uint256() [2/4]

consteval uint256::uint256 ( std::string_view  hex_str )

inlineexplicit

Definition at line 201 of file uint256.h.

uint256() [3/4]

constexpr uint256::uint256 ( uint8_t  v )

inlineexplicitconstexpr

Definition at line 202 of file uint256.h.

uint256() [4/4]

constexpr uint256::uint256 ( std::span< const unsigned char >  vch )

inlineexplicitconstexpr

Definition at line 203 of file uint256.h.

Member Function Documentation

FromHex()

static std::optional< uint256 > uint256::FromHex ( std::string_view  str )

inlinestatic

Definition at line 198 of file uint256.h.

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FromUserHex()

static std::optional< uint256 > uint256::FromUserHex ( std::string_view  str )

inlinestatic

Definition at line 199 of file uint256.h.

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Member Data Documentation

ONE

const uint256 uint256::ONE

static

Definition at line 205 of file uint256.h.

ZERO

const uint256 uint256::ZERO

static

Definition at line 204 of file uint256.h.

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

• src/uint256.h
• src/uint256.cpp