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 (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 (Span< const unsigned char > vch)
consteval	base_blob (std::string_view hex_str)
constexpr bool	IsNull () const
constexpr void	SetNull ()
constexpr int	Compare (const base_blob &other) const
	Lexicographic ordering. More...
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
void	SetHexDeprecated (std::string_view str)
	Unlike FromHex this accepts any invalid input, thus it is fragile and deprecated! More...
std::string	ToString () const

Static Public Member Functions
static std::optional< uint256 >	FromHex (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 178 of file uint256.h.

Constructor & Destructor Documentation

uint256() [1/4]

constexpr uint256::uint256 ( )

default

uint256() [2/4]

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

inlineexplicit

Definition at line 182 of file uint256.h.

uint256() [3/4]

constexpr uint256::uint256 ( uint8_t  v )

inlineexplicit

Definition at line 183 of file uint256.h.

uint256() [4/4]

constexpr uint256::uint256 ( Span< const unsigned char >  vch )

inlineexplicit

Definition at line 184 of file uint256.h.

Member Function Documentation

FromHex()

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

inlinestatic

Definition at line 180 of file uint256.h.

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Member Data Documentation

ONE

const uint256 uint256::ONE

static

Definition at line 186 of file uint256.h.

ZERO

const uint256 uint256::ZERO

static

Definition at line 185 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