Function initialize

src/test/fuzz/versionbits.cpp:82–87

std::unique_ptr<const CChainParams> g_params;

void initialize()
{
    // this is actually comparatively slow, so only do it once
    g_params = CreateChainParams(ArgsManager{}, ChainType::MAIN);
    assert(g_params != nullptr);
}

constexpr uint32_t MAX_START_TIME = 4102444800; // 2100-01-01