Bitcoin Core 31.0.0
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Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
uint256 Class Reference

256-bit opaque blob. More...

#include <uint256.h>

Inheritance diagram for uint256:
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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 int Compare (const base_blob &other) const
 Lexicographic ordering.
 
constexpr const unsigned chardata () const
 
constexpr unsigned chardata ()
 
constexpr unsigned charbegin ()
 
constexpr const unsigned charbegin () const
 
constexpr unsigned charend ()
 
constexpr const unsigned charend () 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< uint256FromHex (std::string_view str)
 
static std::optional< uint256FromUserHex (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 195 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 200 of file uint256.h.

◆ uint256() [3/4]

constexpr uint256::uint256 ( uint8_t v)
inlineexplicitconstexpr

Definition at line 201 of file uint256.h.

◆ uint256() [4/4]

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

Definition at line 202 of file uint256.h.

Member Function Documentation

◆ FromHex()

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

Definition at line 197 of file uint256.h.

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◆ FromUserHex()

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

Definition at line 198 of file uint256.h.

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Member Data Documentation

◆ ONE

const uint256 uint256::ONE
static

Definition at line 204 of file uint256.h.

◆ ZERO

const uint256 uint256::ZERO
static

Definition at line 203 of file uint256.h.


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