Fix for the 300 msec template bug identified by Mayday30. Thanks for the catch!

lib/pool.js

@@ -171,11 +171,10 @@ function templateUpdate(repeating) {
                     newBlockTemplate(rpcResponse);
                 }
             }
-            if (repeating !== false) {
+        } else {
+            if (repeating !== true) {
                 setTimeout(templateUpdate, 300);
             }
-        } else {
-            setTimeout(templateUpdate, 300, false);
         }
     });
 }
@@ -644,14 +643,14 @@ function processShare(miner, job, blockTemplate, params) {
                 console.error(threadName + "Error submitting block at height " + job.height + " from " + miner.logString + ", share type: " + shareType + " error: " + JSON.stringify(rpcResult.error));
                 recordShareData(miner, job, hashDiff.toString(), false, null, shareType);
                 // Error on submit, so we'll submit a sanity check for good measure.
-                templateUpdate(false);
+                templateUpdate();
             } else if (rpcResult) {
                 //Success!  Submitted a block without an issue.
                 let blockFastHash = global.coinFuncs.getBlockID(shareBuffer).toString('hex');
                 console.log(threadName + "Block " + blockFastHash.substr(0, 6) + " found at height " + job.height + " by " + miner.logString +
                     ", share type: " + shareType + " - submit result: " + JSON.stringify(rpcResult.result));
                 recordShareData(miner, job, hashDiff.toString(), true, blockFastHash, shareType, blockTemplate);
-                templateUpdate(false);
+                templateUpdate();
             } else {
                 // RPC bombed out massively.
                 console.error(threadName + "RPC Error.  Please check logs for details");
@@ -856,14 +855,15 @@ if (cluster.isMaster) {
         workerList.push(worker);
     });
     templateUpdate();
+    setInterval(templateUpdate, 300, true);
     global.support.sendEmail(global.config.general.adminEmail, "Pool server " + global.config.hostname + " online", "The pool server: " + global.config.hostname + " with IP: " + global.config.bind_ip + " is online");
 } else {
     setInterval(checkAliveMiners, 30000);
     setInterval(retargetMiners, global.config.pool.retargetTime * 1000);
-    templateUpdate(false);
+    templateUpdate();
     setInterval(function () {
         bannedIPs = [];
-        templateUpdate(false);
+        templateUpdate();
     }, 60000);
     async.each(global.config.ports, function (portData) {
         if (global.config[portData.portType].enable !== true) {