adjust sync_blocks calls in mintingtest.py

qa/rpc-tests/mintingtest.py

@@ -50,10 +50,11 @@ def run_test(self):
         # generate non-empty blocks on the mining node
         for x in range(0, self.generatedblocks):
             self.nodes[0].generate(1)
+            if x % 25 == 0:
+                self.sync_blocks()
 
         self.sync_blocks()
-
-        time.sleep(45)
+        time.sleep(25)
 
         # check that nodes across different db's have the same data
         for x in range(0, self.blockstotest):

src/wallet/wallet.cpp

@@ -3470,15 +3470,6 @@ bool CWallet::CreateCoinStake(const CKeyStore &keystore,
                 fKernelFound = true;
                 break;
             }
-            else
-            {
-                /// TODO
-                // sleep very briefly before trying next pcoin for kernel. removing this would be an obvious opimization
-                // but it is here to keep cpu temps
-                // lower in times of high difficulty staking, possible change to configurable parameter later so i
-                // will mark this with todo
-                MilliSleep(5);
-            }
         }
         if (fKernelFound)
             break; // if kernel is found stop searching