Separate core memory usage computation in core_memusage.h

src/test/coins_tests.cpp

@@ -143,9 +143,9 @@ public:
                      memusage::DynamicUsage(cacheAnchors) +
                      memusage::DynamicUsage(cacheNullifiers);
         for (CCoinsMap::iterator it = cacheCoins.begin(); it != cacheCoins.end(); it++) {
-            ret += memusage::DynamicUsage(it->second.coins);
+            ret += it->second.coins.DynamicMemoryUsage();
         }
-        BOOST_CHECK_EQUAL(memusage::DynamicUsage(*this), ret);
+        BOOST_CHECK_EQUAL(DynamicMemoryUsage(), ret);
     }
 
 };