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// Copyright (c) 2023-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_TEST_UTIL_RANDOM_H
#define BITCOIN_TEST_UTIL_RANDOM_H
#include <consensus/amount.h>
#include <random.h>
#include <uint256.h>
#include <atomic>
#include <cstdint>
enum class SeedRand {
/**
* Seed with a compile time constant of zeros.
*/
ZEROS,
/**
* Seed with a fixed value that never changes over the lifetime of this
* process. The seed is read from the RANDOM_CTX_SEED environment variable
* if set, otherwise generated randomly once, saved, and reused.
*/
FIXED_SEED,
};
/** Seed the global RNG state for testing and log the seed value. This affects all randomness, except GetStrongRandBytes(). */
void SeedRandomStateForTest(SeedRand seed);
extern std::atomic<bool> g_seeded_g_prng_zero;
extern std::atomic<bool> g_used_g_prng;
template <RandomNumberGenerator Rng>
inline CAmount RandMoney(Rng&& rng)
{
return CAmount{rng.randrange(MAX_MONEY + 1)};
}
#endif // BITCOIN_TEST_UTIL_RANDOM_H