Bitcoin Core  27.99.0
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uint256 Class Reference

256-bit opaque blob. More...

#include <uint256.h>

Inheritance diagram for uint256:
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Collaboration diagram for uint256:
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Public Member Functions

constexpr uint256 ()=default
 
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)
 
constexpr bool IsNull () const
 
constexpr void SetNull ()
 
constexpr int Compare (const base_blob &other) const
 
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
 
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)
 

Static Public Member Functions

static std::optional< uint256FromHex (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, WIDTHm_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 127 of file uint256.h.

Constructor & Destructor Documentation

◆ uint256() [1/3]

constexpr uint256::uint256 ( )
constexprdefault

◆ uint256() [2/3]

constexpr uint256::uint256 ( uint8_t  v)
inlineexplicitconstexpr

Definition at line 131 of file uint256.h.

◆ uint256() [3/3]

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

Definition at line 132 of file uint256.h.

Member Function Documentation

◆ FromHex()

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

Definition at line 129 of file uint256.h.

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Member Data Documentation

◆ ONE

const uint256 uint256::ONE
static

Definition at line 134 of file uint256.h.

◆ ZERO

const uint256 uint256::ZERO
static

Definition at line 133 of file uint256.h.


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