[net/refactor] Remove m_addr_fetch member var from CNode

Author: amitiuttarwar

src/net.cpp

@@ -1648,7 +1648,7 @@ void CConnman::ThreadDNSAddressSeed()
                     {
                         LOCK(cs_vNodes);
                         for (const CNode* pnode : vNodes) {
-                            nRelevant += pnode->fSuccessfullyConnected && !pnode->IsFeelerConn() && !pnode->m_addr_fetch && !pnode->IsManualConn() && !pnode->fInbound;
+                            nRelevant += pnode->fSuccessfullyConnected && !pnode->IsFeelerConn() && !pnode->IsAddrFetchConn() && !pnode->IsManualConn() && !pnode->fInbound;
                         }
                     }
                     if (nRelevant >= 2) {
@@ -1758,7 +1758,7 @@ int CConnman::GetExtraOutboundCount()
     {
         LOCK(cs_vNodes);
         for (const CNode* pnode : vNodes) {
-            if (!pnode->fInbound && !pnode->IsManualConn() && !pnode->IsFeelerConn() && !pnode->fDisconnect && !pnode->m_addr_fetch && pnode->fSuccessfullyConnected) {
+            if (!pnode->fInbound && !pnode->IsManualConn() && !pnode->IsFeelerConn() && !pnode->fDisconnect && !pnode->IsAddrFetchConn() && pnode->fSuccessfullyConnected) {
                 ++nOutbound;
             }
         }
@@ -2739,7 +2739,6 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn
     : nTimeConnected(GetSystemTimeInSeconds()),
     addr(addrIn),
     addrBind(addrBindIn),
-    m_addr_fetch(conn_type_in == ConnectionType::ADDR_FETCH),
     fInbound(conn_type_in == ConnectionType::INBOUND),
     nKeyedNetGroup(nKeyedNetGroupIn),
     // Don't relay addr messages to peers that we connect to as block-relay-only

src/net.h

@@ -775,7 +775,6 @@ class CNode
     }
     // This boolean is unusued in actual processing, only present for backward compatibility at RPC/QT level
     bool m_legacyWhitelisted{false};
-    bool m_addr_fetch{false};
     bool fClient{false}; // set by version message
     bool m_limited_node{false}; //after BIP159, set by version message
     const bool fInbound;
@@ -799,6 +798,10 @@ class CNode
         return m_conn_type == ConnectionType::FEELER;
     }
 
+    bool IsAddrFetchConn() const {
+        return m_conn_type == ConnectionType::ADDR_FETCH;
+    }
+
 protected:
     mapMsgCmdSize mapSendBytesPerMsgCmd;
     mapMsgCmdSize mapRecvBytesPerMsgCmd GUARDED_BY(cs_vRecv);

src/net_processing.cpp

@@ -473,7 +473,7 @@ static void UpdatePreferredDownload(const CNode& node, CNodeState* state) EXCLUS
     nPreferredDownload -= state->fPreferredDownload;
 
     // Whether this node should be marked as a preferred download node.
-    state->fPreferredDownload = (!node.fInbound || node.HasPermission(PF_NOBAN)) && !node.m_addr_fetch && !node.fClient;
+    state->fPreferredDownload = (!node.fInbound || node.HasPermission(PF_NOBAN)) && !node.IsAddrFetchConn() && !node.fClient;
 
     nPreferredDownload += state->fPreferredDownload;
 }
@@ -829,7 +829,7 @@ void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds)
 
 static bool IsOutboundDisconnectionCandidate(const CNode& node)
 {
-    return !(node.fInbound || node.IsManualConn() || node.IsFeelerConn() || node.m_addr_fetch);
+    return !(node.fInbound || node.IsManualConn() || node.IsFeelerConn() || node.IsAddrFetchConn());
 }
 
 void PeerLogicValidation::InitializeNode(CNode *pnode) {
@@ -2581,7 +2581,7 @@ void ProcessMessage(
         connman.AddNewAddresses(vAddrOk, pfrom.addr, 2 * 60 * 60);
         if (vAddr.size() < 1000)
             pfrom.fGetAddr = false;
-        if (pfrom.m_addr_fetch)
+        if (pfrom.IsAddrFetchConn())
             pfrom.fDisconnect = true;
         return;
     }
@@ -4094,7 +4094,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
         // Start block sync
         if (pindexBestHeader == nullptr)
             pindexBestHeader = ::ChainActive().Tip();
-        bool fFetch = state.fPreferredDownload || (nPreferredDownload == 0 && !pto->fClient && !pto->m_addr_fetch); // Download if this is a nice peer, or we have no nice peers and this one might do.
+        bool fFetch = state.fPreferredDownload || (nPreferredDownload == 0 && !pto->fClient && !pto->IsAddrFetchConn()); // Download if this is a nice peer, or we have no nice peers and this one might do.
         if (!state.fSyncStarted && !pto->fClient && !fImporting && !fReindex) {
             // Only actively request headers from a single peer, unless we're close to today.
             if ((nSyncStarted == 0 && fFetch) || pindexBestHeader->GetBlockTime() > GetAdjustedTime() - 24 * 60 * 60) {