net: Send post-verack handshake messages at most once

Github-Pull: bitcoin#20146 Rebased-From: fa1f6f2
MarkLTZ · Oct 19, 2020 · 6113b54 · 6113b54
1 parent bdf15d0
commit 6113b54
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
@@ -2119,6 +2119,8 @@ bool ProcessMessage(CNode* pfrom, const std::string& msg_type, CDataStream& vRec
 
     if (msg_type == NetMsgType::VERACK)
     {
+        if (pfrom->fSuccessfullyConnected) return true;
+
         pfrom->SetRecvVersion(std::min(pfrom->nVersion.load(), PROTOCOL_VERSION));
 
         if (!pfrom->fInbound) {