add channel checks

bot/modules/hash.js

@@ -1,5 +1,5 @@
 var needle = require('needle');
-
+var ChannelID = "363049669636390913"	
 exports.commands = [
 	"hash" // command that is in this file, every command needs it own export as shown below
 ]
@@ -11,7 +11,28 @@ exports.custom = [
 exports.timedhash = function(bot) {
     setInterval(function() {
       sendMiningInfo(bot, msg);
-    }, 6 * 60 * 60 * 1000);
+    }, 60 * 60 * 1000);
+	
+	function sendMiningInfo(bot, msg) {
+  needle.get('https://explorer.lbry.io/api/v1/status', function(error, response) {
+    if (error || response.statusCode !== 200) {
+      bot.channels.get(ChannelID).send('Explorer API is not available');
+    } else {
+        var data, hashrate = "", difficulty = "", height = "";
+        data = response.body;
+        height += data.status.height;
+        hashrate += data.status.hashrate;
+        difficulty += data.status.difficulty;
+	bot.channels.get(ChannelID).send(
+        // 'Blockchain stats:\n' +
+        'Hashrate: ' + hashrate + '\n' +
+        'Difficulty: ' + difficulty + '\n' +
+        'Current block: ' + height + '\n' +
+        '_Source: https://explorer.lbry.io_'
+      );
+    }
+  });
+}
 }
 
 
@@ -19,12 +40,15 @@ exports.hash = {
 	usage: "",
 	description: 'Displays current Hashrate of Network',
 	process: function(bot,msg){
-		
   var command = '!hash';
   sendMiningInfo(bot, msg);
 
 
 function sendMiningInfo(bot, msg) {
+	if(!inPrivateOrBotSandbox(msg)){
+    msg.channel.send('Please use <#' + ChannelID + '> or DMs to talk to hash bot.');
+    return;
+  }
   needle.get('https://explorer.lbry.io/api/v1/status', function(error, response) {
     if (error || response.statusCode !== 200) {
       msg.channel.send('Explorer API is not available');
@@ -47,10 +71,18 @@ function sendMiningInfo(bot, msg) {
   });
 }
 
+function inPrivateOrBotSandbox(msg){
+  if((msg.channel.type == 'dm') || (msg.channel.id === ChannelID)){
+    return true;
+  }else{
+    return false;
+  }
+}
 
 function numberWithCommas(x) {
   return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
 }
-  
+
+
     }
 }