evo: use gsl::not_null in CTxMemPool::ConnectManagers

Author: kwvg

src/txmempool.cpp

@@ -347,11 +347,11 @@ CTxMemPool::CTxMemPool(CBlockPolicyEstimator* estimator, int check_ratio)
     _clear(); //lock free clear
 }
 
-void CTxMemPool::ConnectManagers(CDeterministicMNManager* dmnman)
+void CTxMemPool::ConnectManagers(gsl::not_null<CDeterministicMNManager*> dmnman)
 {
     // Do not allow double-initialization
     assert(m_dmnman == nullptr);
-    m_dmnman = Assert(dmnman);
+    m_dmnman = dmnman;
 }
 
 bool CTxMemPool::isSpent(const COutPoint& outpoint) const

src/txmempool.h

@@ -18,6 +18,7 @@
 #include <spentindex.h>
 #include <amount.h>
 #include <coins.h>
+#include <gsl/pointers.h>
 #include <indirectmap.h>
 #include <policy/feerate.h>
 #include <primitives/transaction.h>
@@ -607,7 +608,7 @@ class CTxMemPool
      * Separated from constructor as it's initialized after CTxMemPool
      * is created. Required for ProTx processing.
      */
-    void ConnectManagers(CDeterministicMNManager* dmnman);
+    void ConnectManagers(gsl::not_null<CDeterministicMNManager*> dmnman);
 
     /**
      * Reset CDeterministicMNManager pointer.