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.
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@ -2513,6 +2513,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
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// Ask the first connected node for block updates
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static int nAskedForBlocks = 0;
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if (!pfrom->fClient && !pfrom->fOneShot &&
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(pfrom->nStartingHeight > (nBestHeight - 144)) &&
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(pfrom->nVersion < NOBLKS_VERSION_START ||
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pfrom->nVersion >= NOBLKS_VERSION_END) &&
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(nAskedForBlocks < 1 || vNodes.size() <= 1))
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