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Allow filterclear messages for enabling TX relay only.

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An example of where this might be useful is allowing a node to connect blocksonly during IBD but then becoming a full-node once caught up with the latest block. This might also even want to be the default behaviour since during IBD most TXs appear to be orphans, and are routinely dropped (for example when a node disconnects). Therefore, this can waste a lot of bandwidth.

Additionally, another pull could be written to stop relaying of TXs to nodes that are clearly far behind the latest block and are running a node that doesn't store many orphan TXs, such as recent versions of Bitcoin Core.
This commit is contained in:
R E Broadley 2016-09-13 09:10:22 +07:00
parent 2a0836f6d5
commit 1f951c67a4
1 changed files with 5 additions and 4 deletions
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5
src/main.cpp
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@ -4941,8 +4941,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (!(pfrom->GetLocalServices() & NODE_BLOOM) && if (!(pfrom->GetLocalServices() & NODE_BLOOM) &&
(strCommand == NetMsgType::FILTERLOAD || (strCommand == NetMsgType::FILTERLOAD ||
strCommand == NetMsgType::FILTERADD || strCommand == NetMsgType::FILTERADD))
strCommand == NetMsgType::FILTERCLEAR))
{ {
if (pfrom->nVersion >= NO_BLOOM_VERSION) { if (pfrom->nVersion >= NO_BLOOM_VERSION) {
LOCK(cs_main); LOCK(cs_main);
@ -6128,8 +6127,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
else if (strCommand == NetMsgType::FILTERCLEAR) else if (strCommand == NetMsgType::FILTERCLEAR)
{ {
LOCK(pfrom->cs_filter); LOCK(pfrom->cs_filter);
if (pfrom->GetLocalServices() & NODE_BLOOM) {
delete pfrom->pfilter; delete pfrom->pfilter;
pfrom->pfilter = new CBloomFilter(); pfrom->pfilter = new CBloomFilter();
}
pfrom->fRelayTxes = true; pfrom->fRelayTxes = true;
} }