random.h File Reference

#include <consensus/amount.h>
#include <random.h>
#include <uint256.h>
#include <cstdint>

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Enumerations
enum class	SeedRand { ZEROS , SEED }

Functions
void	SeedRandomForTest (SeedRand seed=SeedRand::SEED)
	Seed the RNG for testing. More...
static uint32_t	InsecureRand32 ()
static uint256	InsecureRand256 ()
static uint64_t	InsecureRandBits (int bits)
static uint64_t	InsecureRandRange (uint64_t range)
static bool	InsecureRandBool ()
static CAmount	InsecureRandMoneyAmount ()

Variables
FastRandomContext	g_insecure_rand_ctx
	This global and the helpers that use it are not thread-safe. More...

Enumeration Type Documentation

SeedRand

enum SeedRand

strong

Enumerator
ZEROS	Seed with a compile time constant of zeros.
SEED	Use (and report) random seed from environment, or a (truly) random one.

Definition at line 22 of file random.h.

Function Documentation

InsecureRand256()

static uint256 InsecureRand256 ( )

inlinestatic

Definition at line 35 of file random.h.

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InsecureRand32()

static uint32_t InsecureRand32 ( )

inlinestatic

Definition at line 30 of file random.h.

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InsecureRandBits()

static uint64_t InsecureRandBits ( int  bits )

inlinestatic

Definition at line 40 of file random.h.

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InsecureRandBool()

static bool InsecureRandBool ( )

inlinestatic

Definition at line 50 of file random.h.

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InsecureRandMoneyAmount()

static CAmount InsecureRandMoneyAmount ( )

inlinestatic

Definition at line 55 of file random.h.

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InsecureRandRange()

static uint64_t InsecureRandRange ( uint64_t  range )

inlinestatic

Definition at line 45 of file random.h.

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SeedRandomForTest()

void SeedRandomForTest

(

SeedRand

seed = SeedRand::SEED

)

Seed the RNG for testing.

This affects all randomness, except GetStrongRandBytes().

Definition at line 18 of file random.cpp.

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Variable Documentation

g_insecure_rand_ctx

FastRandomContext g_insecure_rand_ctx

extern

This global and the helpers that use it are not thread-safe.

If thread-safety is needed, a per-thread instance could be used in the multi-threaded test.

Definition at line 14 of file random.cpp.