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Do not use compact blocks when segwit is enabled

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This commit is contained in:
Pieter Wuille 2016-06-22 15:39:26 +02:00
parent 6032f6930a
commit af87a67eff
1 changed files with 6 additions and 2 deletions
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8
src/main.cpp
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@ -473,6 +473,10 @@ void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {
}
void MaybeSetPeerAsAnnouncingHeaderAndIDs(const CNodeState* nodestate, CNode* pfrom) {
if (nLocalServices & NODE_WITNESS) {
// Don't ever request compact blocks when segwit is enabled.
return;
}
if (nodestate->fProvidesHeaderAndIDs) {
BOOST_FOREACH(const NodeId nodeid, lNodesAnnouncingHeaderAndIDs)
if (nodeid == pfrom->GetId())
@ -5286,7 +5290,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
nodestate->nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER &&
(!IsWitnessEnabled(chainActive.Tip(), chainparams.GetConsensus()) || State(pfrom->GetId())->fHaveWitness)) {
inv.type |= nFetchFlags;
if (nodestate->fProvidesHeaderAndIDs)
if (nodestate->fProvidesHeaderAndIDs && !(nLocalServices & NODE_WITNESS))
vToFetch.push_back(CInv(MSG_CMPCT_BLOCK, inv.hash));
else
vToFetch.push_back(inv);
@ -5905,7 +5909,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
pindexLast->GetBlockHash().ToString(), pindexLast->nHeight);
}
if (vGetData.size() > 0) {
if (nodestate->fProvidesHeaderAndIDs && vGetData.size() == 1 && mapBlocksInFlight.size() == 1 && pindexLast->pprev->IsValid(BLOCK_VALID_CHAIN)) {
if (nodestate->fProvidesHeaderAndIDs && vGetData.size() == 1 && mapBlocksInFlight.size() == 1 && pindexLast->pprev->IsValid(BLOCK_VALID_CHAIN) && !(nLocalServices & NODE_WITNESS)) {
// We seem to be rather well-synced, so it appears pfrom was the first to provide us
// with this block! Let's get them to announce using compact blocks in the future.
MaybeSetPeerAsAnnouncingHeaderAndIDs(nodestate, pfrom);