Introduce a hidden category

src/rpcserver.cpp

@@ -160,7 +160,7 @@ string CRPCTable::help(string strCommand) const
         // We already filter duplicates, but these deprecated screw up the sort order
         if (strMethod.find("label") != string::npos)
             continue;
-        if (strCommand != "" && strMethod != strCommand)
+        if ((strCommand != "" || pcmd->category == "hidden") && strMethod != strCommand)
             continue;
 #ifdef ENABLE_WALLET
         if (pcmd->reqWallet && !pwalletMain)
@@ -270,8 +270,6 @@ static const CRPCCommand vRPCCommands[] =
     { "blockchain",         "gettxout",               &gettxout,               true,      false,      false },
     { "blockchain",         "gettxoutsetinfo",        &gettxoutsetinfo,        true,      false,      false },
     { "blockchain",         "verifychain",            &verifychain,            true,      false,      false },
-    { "blockchain",         "invalidateblock",        &invalidateblock,        true,      true,       false },
-    { "blockchain",         "reconsiderblock",        &reconsiderblock,        true,      true,       false },
 
     /* Mining */
     { "mining",             "getblocktemplate",       &getblocktemplate,       true,      false,      false },
@@ -302,6 +300,10 @@ static const CRPCCommand vRPCCommands[] =
     { "util",               "estimatefee",            &estimatefee,            true,      true,       false },
     { "util",               "estimatepriority",       &estimatepriority,       true,      true,       false },
 
+    /* Not shown in help */
+    { "hidden",             "invalidateblock",        &invalidateblock,        true,      true,       false },
+    { "hidden",             "reconsiderblock",        &reconsiderblock,        true,      true,       false },
+
 #ifdef ENABLE_WALLET
     /* Wallet */
     { "wallet",             "addmultisigaddress",     &addmultisigaddress,     true,      false,      true },