P2P: Do not request blocks from peers with fewer blocks than us

If the remote node has a shorter chain, do not waste our special getblocks request on them.
12 years ago · 93dd68e924
1 changed files with 1 additions and 0 deletions
--- a/src/main.cpp
+++ b/src/main.cpp
@ -2513,6 +2513,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
        // Ask the first connected node for block updates
        static int nAskedForBlocks = 0;
        if (!pfrom->fClient && !pfrom->fOneShot &&
            (pfrom->nStartingHeight > (nBestHeight - 144)) &&
            (pfrom->nVersion < NOBLKS_VERSION_START ||
             pfrom->nVersion >= NOBLKS_VERSION_END) &&
             (nAskedForBlocks < 1 || vNodes.size() <= 1))