aboutsummaryrefslogtreecommitdiff
path: root/src/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/main.cpp')
-rw-r--r--src/main.cpp11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/main.cpp b/src/main.cpp
index babdf88f77..0ba6859361 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2357,8 +2357,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
}
CTxDB txdb("r");
- BOOST_FOREACH(const CInv& inv, vInv)
+ for (int nInv = 0; nInv < vInv.size(); nInv++)
{
+ const CInv &inv = vInv[nInv];
+
if (fShutdown)
return true;
pfrom->AddInventoryKnown(inv);
@@ -2367,9 +2369,12 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
if (fDebug)
printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new");
- if (!fAlreadyHave)
+ // Always request the last block in an inv bundle (even if we already have it), as it is the
+ // trigger for the other side to send further invs. If we are stuck on a (very long) side chain,
+ // this is necessary to connect earlier received orphan blocks to the chain again.
+ if (!fAlreadyHave || (inv.type == MSG_BLOCK && nInv==vInv.size()-1))
pfrom->AskFor(inv);
- else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
+ if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash]));
// Track requests for our stuff