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kevacoin
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Merge pull request #5507 

c907704 DOS: Respect max per-peer blocks in flight limit (Adam Weiss)
0.13
Wladimir J. van der Laan 10 years ago
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055f3ae9aa c90770430d
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1 changed files with 3 additions and 1 deletions
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  1. 4
      src/main.cpp

4
src/main.cpp
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@ -3597,7 +3597,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// doing this will result in the received block being rejected as an orphan in case it is // doing this will result in the received block being rejected as an orphan in case it is
// not a direct successor. // not a direct successor.
pfrom->PushMessage("getheaders", chainActive.GetLocator(pindexBestHeader), inv.hash); pfrom->PushMessage("getheaders", chainActive.GetLocator(pindexBestHeader), inv.hash);
if (chainActive.Tip()->GetBlockTime() > GetAdjustedTime() - Params().TargetSpacing() * 20) { CNodeState *nodestate = State(pfrom->GetId());
if (chainActive.Tip()->GetBlockTime() > GetAdjustedTime() - Params().TargetSpacing() * 20 &&
nodestate->nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) {
vToFetch.push_back(inv); vToFetch.push_back(inv);
// Mark block as in flight already, even though the actual "getdata" message only goes out // Mark block as in flight already, even though the actual "getdata" message only goes out
// later (within the same cs_main lock, though). // later (within the same cs_main lock, though).

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