LBRYCommunity/lbrycrd
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Fix relay mechanism for whitelisted peers under blocks only mode.

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Previously in blocks only mode all inv messages where type!=MSG_BLOCK would be
rejected without regard for whitelisting or whitelistalwaysrelay.

As such whitelisted peers would never send the transaction (which would be
processed).
This commit is contained in:
Patick Strateman 2015-11-17 16:59:18 -08:00
parent 776848acef
commit 3587f6a024
1 changed files with 13 additions and 3 deletions
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16
src/main.cpp
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@ -4210,6 +4210,12 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return error("message inv size() = %u", vInv.size());
}
bool fBlocksOnly = GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY);
// Allow whitelisted peers to send data other than blocks in blocks only mode if whitelistalwaysrelay is true
if (pfrom->fWhitelisted && GetBoolArg("-whitelistalwaysrelay", DEFAULT_WHITELISTALWAYSRELAY))
fBlocksOnly = false;
LOCK(cs_main);
std::vector<CInv> vToFetch;
@ -4224,9 +4230,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
bool fAlreadyHave = AlreadyHave(inv);
LogPrint("net", "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom->id);
if (!fAlreadyHave && !fImporting && !fReindex && inv.type != MSG_BLOCK && !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY))
pfrom->AskFor(inv);
if (inv.type == MSG_BLOCK) {
UpdateBlockAvailability(pfrom->GetId(), inv.hash);
if (!fAlreadyHave && !fImporting && !fReindex && !mapBlocksInFlight.count(inv.hash)) {
@ -4250,6 +4253,13 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
LogPrint("net", "getheaders (%d) %s to peer=%d\n", pindexBestHeader->nHeight, inv.hash.ToString(), pfrom->id);
}
}
else
{
if (fBlocksOnly)
LogPrint("net", "peer sent inv %s in violation of protocol peer=%d\n", inv.ToString(), pfrom->id);
else if (!fAlreadyHave && !fImporting && !fReindex)
pfrom->AskFor(inv);
}
// Track requests for our stuff
GetMainSignals().Inventory(inv.hash);