Auto merge of #2100 - str4d:2074-rpc, r=arcalinea

Bitcoin 0.12 RPC PRs 1

Cherry-picked from the following upstream PRs:

- bitcoin/bitcoin#6266
- bitcoin/bitcoin#6257
- bitcoin/bitcoin#6271
- bitcoin/bitcoin#6158
- bitcoin/bitcoin#6307
- bitcoin/bitcoin#6290
- bitcoin/bitcoin#6262
- bitcoin/bitcoin#6088
- bitcoin/bitcoin#6339
- bitcoin/bitcoin#6299 (partial, remainder in #2099)
- bitcoin/bitcoin#6350
- bitcoin/bitcoin#6247
- bitcoin/bitcoin#6362
- bitcoin/bitcoin#5486
- bitcoin/bitcoin#6417
- bitcoin/bitcoin#6398 (partial, remainder was included in #1950)
- bitcoin/bitcoin#6444
- bitcoin/bitcoin#6456 (partial, remainder was included in #2082)
- bitcoin/bitcoin#6380
- bitcoin/bitcoin#6970

Part of #2074.

src/net.h

@@ -68,6 +68,7 @@ unsigned int SendBufferSize();
 void AddOneShot(const std::string& strDest);
 void AddressCurrentlyConnected(const CService& addr);
 CNode* FindNode(const CNetAddr& ip);
+CNode* FindNode(const CSubNet& subNet);
 CNode* FindNode(const std::string& addrName);
 CNode* FindNode(const CService& ip);
 CNode* ConnectNode(CAddress addrConnect, const char *pszDest = NULL);
@@ -288,7 +289,7 @@ protected:
 
     // Denial-of-service detection/prevention
     // Key is IP address, value is banned-until-time
-    static std::map<CNetAddr, int64_t> setBanned;
+    static std::map<CSubNet, int64_t> setBanned;
     static CCriticalSection cs_setBanned;
 
     // Whitelisted ranges. Any node connecting from these is automatically
@@ -613,7 +614,13 @@ public:
     // new code.
     static void ClearBanned(); // needed for unit testing
     static bool IsBanned(CNetAddr ip);
-    static bool Ban(const CNetAddr &ip);
+    static bool IsBanned(CSubNet subnet);
+    static void Ban(const CNetAddr &ip, int64_t bantimeoffset = 0, bool sinceUnixEpoch = false);
+    static void Ban(const CSubNet &subNet, int64_t bantimeoffset = 0, bool sinceUnixEpoch = false);
+    static bool Unban(const CNetAddr &ip);
+    static bool Unban(const CSubNet &ip);
+    static void GetBanned(std::map<CSubNet, int64_t> &banmap);
+
     void copyStats(CNodeStats &stats);
 
     static bool IsWhitelistedRange(const CNetAddr &ip);