More contract-related adjustments

app/controllers/index.js

@@ -14,16 +14,11 @@ export default Ember.Controller.extend({
 
   contractInteractionEnabled: computed.alias('kredits.web3Provided'),
 
-  findContributorByAddress(address) {
-    return this.get('model.contributors')
-               .findBy('address', address);
-  },
-
   proposalsOpen: function() {
     let proposals = this.get('model.proposals')
                         .filterBy('executed', false)
                         .map(p => {
-                          p.set('recipientName', this.findContributorByAddress(p.get('recipientAddress')).name);
+                          p.set('recipientName', this.get('model.contributors').findBy('id', p.get('recipientId')).name);
                           return p;
                         });
     return proposals;
@@ -33,7 +28,7 @@ export default Ember.Controller.extend({
     let proposals = this.get('model.proposals')
                         .filterBy('executed', true)
                         .map(p => {
-                          p.set('recipientName', this.findContributorByAddress(p.get('recipientAddress')).name);
+                          p.set('recipientName', this.get('model.contributors').findBy('id', p.get('recipientId')).name);
                           return p;
                         });
     return proposals;

app/models/proposal.js

@@ -10,6 +10,7 @@ export default Ember.Object.extend({
   id: null,
   creatorAddress: null,
   recipientAddress: null,
+  recipientId: null,
   recipientName: null,
   recipientProfile: null,
   votesCount: null,

app/services/ipfs.js

@@ -27,8 +27,7 @@ export default Ember.Service.extend({
     return this.get('ipfs').cat(hash, { buffer: true }).then(res => {
       return res.toString();
     }, err => {
-      Ember.Logger.error('[ipfs] error trying to fetch file', hash, err);
-      throw err;
+      Ember.Logger.warn('[ipfs] error trying to fetch file', hash, err);
     });
   }
 

app/services/kredits.js

@@ -140,13 +140,12 @@ export default Service.extend({
         let proposal = Proposal.create({
           id               : i,
           creatorAddress   : p[0],
-          recipientAddress : p[1],
+          recipientId      : p[1].toNumber(),
           votesCount       : p[2].toNumber(),
           votesNeeded      : p[3].toNumber(),
           amount           : p[4].toNumber(),
           executed         : p[5],
-          url              : p[6],
-          ipfsHash         : p[7]
+          ipfsHash         : p[6]
         });
 
         if (proposal.get('ipfsHash')) {