ignore non-wtxidrelay compliant invs

Author: ajtowns

src/net_processing.cpp

@@ -2598,6 +2598,13 @@ void ProcessMessage(
             if (interruptMsgProc)
                 return;
 
+            // ignore INVs that don't match wtxidrelay setting
+            if (State(pfrom.GetId())->m_wtxid_relay) {
+                if (inv.type == MSG_TX) continue;
+            } else {
+                if (inv.type == MSG_WTX) continue;
+            }
+
             bool fAlreadyHave = AlreadyHave(inv, mempool);
             LogPrint(BCLog::NET, "got inv: %s  %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom.GetId());