Function UnloadBlockIndex

src/validation.cpp:4536–4547

May NOT be used after any connections are up as much of the peer-processing logic assumes a consistent block index state

// of the peer-processing logic assumes a consistent
// block index state
void UnloadBlockIndex(CTxMemPool* mempool, ChainstateManager& chainman)
{
    LOCK(cs_main);
    chainman.Unload();
    pindexBestHeader = nullptr;
    if (mempool) mempool->clear();
    g_versionbitscache.Clear();
    for (int b = 0; b < VERSIONBITS_NUM_BITS; b++) {
        warningcache[b].clear();
    }
    fHavePruned = false;
}

bool ChainstateManager::LoadBlockIndex()
{