diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/main.cpp b/src/main.cpp index b8b7771611..65ae78a136 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2208,6 +2208,17 @@ bool CBlockIndex::IsSuperMajority(int minVersion, const CBlockIndex* pstart, uns return (nFound >= nRequired); } +void PushGetBlocks(CNode* pnode, CBlockIndex* pindexBegin, uint256 hashEnd) +{ + // Filter out duplicate requests + if (pindexBegin == pnode->pindexLastGetBlocksBegin && hashEnd == pnode->hashLastGetBlocksEnd) + return; + pnode->pindexLastGetBlocksBegin = pindexBegin; + pnode->hashLastGetBlocksEnd = hashEnd; + + pnode->PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd); +} + bool ProcessBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, CDiskBlockPos *dbp) { // Check for duplicate @@ -2253,7 +2264,7 @@ bool ProcessBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, CDiskBl mapOrphanBlocksByPrev.insert(make_pair(pblock2->hashPrevBlock, pblock2)); // Ask this guy to fill in what we're missing - pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(pblock2)); + PushGetBlocks(pfrom, pindexBest, GetOrphanRoot(pblock2)); } return true; } @@ -3357,12 +3368,12 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) if (!fImporting && !fReindex) pfrom->AskFor(inv); } else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash)) { - pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash])); + PushGetBlocks(pfrom, pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash])); } else if (nInv == nLastBlock) { // In case we are on a very long side-chain, it is possible that we already have // the last block in an inv bundle sent in response to getblocks. Try to detect // this situation and push another getblocks to continue. - pfrom->PushGetBlocks(mapBlockIndex[inv.hash], uint256(0)); + PushGetBlocks(pfrom, mapBlockIndex[inv.hash], uint256(0)); if (fDebug) printf("force request: %s\n", inv.ToString().c_str()); } @@ -3839,7 +3850,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle) // Start block sync if (pto->fStartSync && !fImporting && !fReindex) { pto->fStartSync = false; - pto->PushGetBlocks(pindexBest, uint256(0)); + PushGetBlocks(pto, pindexBest, uint256(0)); } // Resend wallet transactions that haven't gotten in a block yet |