added verbosity

lib/utils/logger.js

@@ -10,7 +10,8 @@ var signs = [
 	'===',
 	'>>>',
 	'xxx',
-	'=H='
+	'=H=',
+	'   '
 ];
 
 var types = [
@@ -20,6 +21,15 @@ var types = [
 	'his'
 ];
 
+var verbosity = [
+	[],
+	['error', 'warn'],
+	['info', 'error', 'warn', 'success'],
+	['info', 'stats', 'sstats', 'error', 'warn', 'success', 'time', 'timeEnd']
+];
+
+var ENV_VERBOSITY = process.env.VERBOSITY || 2;
+
 [
 	{
 		name: "info",
@@ -31,6 +41,17 @@ var types = [
 			return [sign, message];
 		}
 	},
+	{
+		name: "stats",
+		inherit: 'log',
+		sign: '=s=',
+		signColor: chalk.blue,
+		messageColor: chalk.bold,
+		formatter: function (sign, message)
+		{
+			return [sign, message];
+		}
+	},
 	{
 		name: "success",
 		inherit: 'log',
@@ -42,6 +63,17 @@ var types = [
 			return [sign, message];
 		}
 	},
+	{
+		name: "sstats",
+		inherit: 'log',
+		sign: '=✓=',
+		signColor: chalk.green,
+		messageColor: chalk.bold.green,
+		formatter: function (sign, message)
+		{
+			return [sign, message];
+		}
+	},
 	{
 		name: "warn",
 		sign: '=!=',
@@ -84,6 +116,8 @@ var types = [
 	}
 ].forEach( function (item)
 {
+	var fnName = item.name;
+
 	if(item.inherit !== undefined)
 		console[item.name] = console[item.inherit];
 
@@ -91,6 +125,9 @@ var types = [
 
 	console[item.name] = function ()
 	{
+		if(verbosity[ENV_VERBOSITY].indexOf(fnName) === -1)
+			return false;
+
 		var args = Array.prototype.slice.call(arguments);
 		var sign = item.sign;
 		var section = 'eth';