refactor: moved net Object's helpers from net_processing to net.h

These functions:
    - EraseObjectRequest
    - RequestObject
    - GetRequestedObjectCount

Author: knst

src/net.h

@@ -1586,4 +1586,9 @@ inline std::chrono::microseconds PoissonNextSend(std::chrono::microseconds now,
     return std::chrono::microseconds{PoissonNextSend(now.count(), average_interval.count())};
 }
 
+extern RecursiveMutex cs_main;
+void EraseObjectRequest(NodeId nodeId, const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+void RequestObject(NodeId nodeId, const CInv& inv, std::chrono::microseconds current_time, bool fForce=false) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+size_t GetRequestedObjectCount(NodeId nodeId) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+
 #endif // BITCOIN_NET_H

src/net_processing.h

@@ -77,9 +77,4 @@ class PeerManager : public CValidationInterface, public NetEventsInterface
     virtual bool IsBanned(NodeId pnode) = 0;
 };
 
-void EraseObjectRequest(NodeId nodeId, const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-void RequestObject(NodeId nodeId, const CInv& inv, std::chrono::microseconds current_time, bool fForce=false) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-size_t GetRequestedObjectCount(NodeId nodeId) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
-
 #endif // BITCOIN_NET_PROCESSING_H