(1725 . 13)(1725 . 9)
            }
        }

        // Ask the first connected node for block updates
        static int nAskedForBlocks;
        if (!pfrom->fClient &&
            (pfrom->nVersion < 32000 || pfrom->nVersion >= 32400) &&
             (nAskedForBlocks < 1 || vNodes.size() <= 1))
        // Ask EVERY connected node (other than self) for block updates
        if (!pfrom->fClient)
        {
            nAskedForBlocks++;
            pfrom->PushGetBlocks(pindexBest, uint256(0));
        }

(59 . 12)(59 . 6)

void CNode::PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd)
{
    // Filter out duplicate requests
    if (pindexBegin == pindexLastGetBlocksBegin && hashEnd == hashLastGetBlocksEnd)
        return;
    pindexLastGetBlocksBegin = pindexBegin;
    hashLastGetBlocksEnd = hashEnd;

    PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd);
}

(130 . 8)(130 . 6)
    std::map<uint256, CRequestTracker> mapRequests;
    CCriticalSection cs_mapRequests;
    uint256 hashContinue;
    CBlockIndex* pindexLastGetBlocksBegin;
    uint256 hashLastGetBlocksEnd;
    int nStartingHeight;

    // flood relay
(180 . 8)(178 . 6)
        nRefCount = 0;
        nReleaseTime = 0;
        hashContinue = 0;
        pindexLastGetBlocksBegin = 0;
        hashLastGetBlocksEnd = 0;
        nStartingHeight = -1;
        fGetAddr = false;
        vfSubscribe.assign(256, false);