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BTCP-Rebase
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Delay parallel block download until chain has sufficient work 

nMinimumChainWork is an anti-DoS threshold; wait until we have a proposed
tip with more work than that before downloading blocks towards that tip.
This commit is contained in:
Suhas Daftuar 2017-05-05 14:37:01 -04:00 committed by Suhas Daftuar
parent 6a796b2b53
commit e2652002b6
1 changed files with 1 additions and 1 deletions
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src/net_processing.cpp
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@ -480,7 +480,7 @@ void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<con
// Make sure pindexBestKnownBlock is up to date, we'll need it.
ProcessBlockAvailability(nodeid);
if (state->pindexBestKnownBlock == NULL || state->pindexBestKnownBlock->nChainWork < chainActive.Tip()->nChainWork) {
if (state->pindexBestKnownBlock == NULL || state->pindexBestKnownBlock->nChainWork < chainActive.Tip()->nChainWork || state->pindexBestKnownBlock->nChainWork < UintToArith256(consensusParams.nMinimumChainWork)) {
// This peer has nothing interesting.
return;
}