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Disconnect peers sending wtxidrelay message after VERACK

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This commit is contained in:
Suhas Daftuar 2020-06-29 14:59:55 -04:00
parent cacd85209e
commit 0e20cfedb7
1 changed files with 6 additions and 0 deletions
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6
src/net_processing.cpp
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@ -2506,6 +2506,12 @@ void ProcessMessage(
// Feature negotiation of wtxidrelay should happen between VERSION and
// VERACK, to avoid relay problems from switching after a connection is up
if (msg_type == NetMsgType::WTXIDRELAY) {
if (pfrom.fSuccessfullyConnected) {
// Disconnect peers that send wtxidrelay message after VERACK; this
// must be negotiated between VERSION and VERACK.
pfrom.fDisconnect = true;
return;
}
if (pfrom.nVersion >= WTXID_RELAY_VERSION) {
LOCK(cs_main);
if (!State(pfrom.GetId())->m_wtxid_relay) {