Refactor contributor data methods some more

app/services/kredits.js

@@ -54,11 +54,7 @@ export default Ember.Service.extend({
     });
   },
 
-  getContributors() {
+  getContributorData(i) {
-    return this.getValueFromContract('contributorsCount').then(contributorsCount => {
-      let contributors = [];
-
-      let gatherContributorData = (i) => {
     let promise = new Ember.RSVP.Promise((resolve, reject) => {
       this.getValueFromContract('contributorAddresses', i).then(address => {
         this.getValueFromContract('contributors', address).then(person => {
@@ -77,20 +73,20 @@ export default Ember.Service.extend({
       }).catch(err => reject(err));
     });
     return promise;
-      };
+  },
+
+  getContributors() {
+    return this.getValueFromContract('contributorsCount').then(contributorsCount => {
+      let contributors = [];
 
       for(var i = 0; i < contributorsCount.toNumber(); i++) {
-        contributors.push(gatherContributorData(i));
+        contributors.push(this.getContributorData(i));
       }
 
       return Ember.RSVP.all(contributors);
     });
   },
 
-  balanceOf: function(address) {
-    return this.get('kreditsContract').balanceOf(address).toNumber();
-  }.property('kreditsContract'),
-
   logKreditsContract: function() {
     Ember.Logger.debug('[kredits] kreditsContract', this.get('kreditsContract'));
   }.on('init')