Make nTimeConnected const in CNode

src/net.cpp

@@ -2574,6 +2574,7 @@ unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; }
 unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; }
 
 CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const std::string& addrNameIn, bool fInboundIn) :
+    nTimeConnected(GetSystemTimeInSeconds()),
     addr(addrIn),
     fInbound(fInboundIn),
     id(idIn),
@@ -2593,7 +2594,6 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn
     nLastRecv = 0;
     nSendBytes = 0;
     nRecvBytes = 0;
-    nTimeConnected = GetSystemTimeInSeconds();
     nTimeOffset = 0;
     addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;
     nVersion = 0;

src/net.h

@@ -587,7 +587,7 @@ public:
 
     std::atomic<int64_t> nLastSend;
     std::atomic<int64_t> nLastRecv;
-    int64_t nTimeConnected;
+    const int64_t nTimeConnected;
     std::atomic<int64_t> nTimeOffset;
     const CAddress addr;
     std::string addrName;