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Feeler connections ported from BTC core, eclipse attack mitigation

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This commit is contained in:
Duke Leto
2021-02-28 23:28:49 -05:00
parent cadab16cdb
commit ea2b68c1d3
4 changed files with 126 additions and 43 deletions
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21
src/main.cpp
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@@ -6862,10 +6862,16 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return true;
}
//fprintf(stderr,"netmsg: %s\n", strCommand.c_str());
fprintf(stderr,"%s: netmsg: %s from %s\n", __func__, strCommand.c_str(), pfrom->addr.ToString().c_str() );
if (strCommand == "version") {
// Feeler connections exist only to verify if node is online
if (pfrom->fFeeler) {
assert(pfrom->fInbound == false);
pfrom->fDisconnect = true;
fprintf(stderr,"%s: disconnecting feelerconn from %s\n", __func__, pfrom->addr.ToString().c_str() );
}
if (strCommand == "version")
{
// Each connection can only send one version message
if (pfrom->nVersion != 0)
{
@@ -6978,15 +6984,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
}
}
// Do Not Relay alerts
/*
{
LOCK(cs_mapAlerts);
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
item.second.RelayTo(pfrom);
}
*/
pfrom->fSuccessfullyConnected = true;
string remoteAddr;