engine.hpp

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// === AUDIT STATUS ===
// internal:    { status: not started, auditors: [], date: YYYY-MM-DD }
// external_1:  { status: not started, auditors: [], date: YYYY-MM-DD }
// external_2:  { status: not started, auditors: [], date: YYYY-MM-DD }
// =====================
 
#pragma once
#include "../uint128/uint128.hpp"
#include "../uint256/uint256.hpp"
#include "../uintx/uintx.hpp"
#include "unistd.h"
#include <cstdint>
#include <random>
 
namespace bb::numeric {
 
class RNG {
  public:
    virtual uint8_t get_random_uint8() = 0;
 
    virtual uint16_t get_random_uint16() = 0;
 
    virtual uint32_t get_random_uint32() = 0;
 
    virtual uint64_t get_random_uint64() = 0;
 
    virtual uint128_t get_random_uint128() = 0;
 
    virtual uint256_t get_random_uint256() = 0;
 
    virtual ~RNG() = default;
    RNG() noexcept = default;
    RNG(const RNG& other) = default;
    RNG(RNG&& other) = default;
    RNG& operator=(const RNG& other) = default;
    RNG& operator=(RNG&& other) = default;
 
    uint512_t get_random_uint512()
    {
        // Do not inline in constructor call. Evaluation order is important for cross-compiler consistency.
        auto lo = get_random_uint256();
        auto hi = get_random_uint256();
        return { lo, hi };
    }
 
    uint1024_t get_random_uint1024()
    {
        // Do not inline in constructor call. Evaluation order is important for cross-compiler consistency.
        auto lo = get_random_uint512();
        auto hi = get_random_uint512();
        return { lo, hi };
    }
};
 
RNG& get_debug_randomness(bool reset = false, std::uint_fast64_t seed = 12345);
RNG& get_randomness();
 
} // namespace bb::numeric