comply with project coding style

Author: weilu

test/integration/utils.js

@@ -1,18 +1,18 @@
 var https = require('https')
 
-function faucetWithdraw(address, amount, done) {
-  var url = "https://coconut-macaroon.herokuapp.com/withdrawal?address=" + address + "&amount=" + amount
-  https.get(url, function(res) {
-    res.statusCode == 200 ? done(null) : done(new Error("non-200 status: " + res.statusCode))
+function faucetWithdraw (address, amount, done) {
+  var url = 'https://coconut-macaroon.herokuapp.com/withdrawal?address=' + address + '&amount=' + amount
+  https.get(url, function (res) {
+    res.statusCode === 200 ? done(null) : done(new Error('non-200 status: ' + res.statusCode))
   }).on('error', done)
 }
 
-function pollUnspent(blockchain, address, done) {
+function pollUnspent (blockchain, address, done) {
   blockchain.addresses.unspents(address, function (err, unspents) {
     if (err) return done(err)
 
-    if(unspents == null || unspents.length === 0) {
-      return setTimeout(function() {
+    if (!unspents || unspents.length === 0) {
+      return setTimeout(function () {
         pollUnspent(blockchain, address, done)
       }, 200)
     }
@@ -21,12 +21,12 @@ function pollUnspent(blockchain, address, done) {
   })
 }
 
-function pollSummary(blockchain, address, done) {
+function pollSummary (blockchain, address, done) {
   blockchain.addresses.summary(address, function (err, result) {
     if (err) return done(err)
 
-    if(result.balance == 0) {
-      return setTimeout(function() {
+    if (result.balance === 0) {
+      return setTimeout(function () {
         pollSummary(blockchain, address, done)
       }, 200)
     }