Method SetBestBlockIndex

src/index/base.cpp:493–510

}

void BaseIndex::SetBestBlockIndex(const CBlockIndex* block)
{
    assert(!m_chainstate->m_blockman.IsPruneMode() || AllowPrune());

    if (AllowPrune() && block) {
        node::PruneLockInfo prune_lock;
        prune_lock.height_first = block->nHeight;
        WITH_LOCK(::cs_main, m_chainstate->m_blockman.UpdatePruneLock(GetName(), prune_lock));
    }

    // Intentionally set m_best_block_index as the last step in this function,
    // after updating prune locks above, and after making any other references
    // to *this, so the BlockUntilSyncedToCurrentChain function (which checks
    // m_best_block_index as an optimization) can be used to wait for the last
    // BlockConnected notification and safely assume that prune locks are
    // updated and that the index object is safe to delete.
    m_best_block_index = block;
}