Fixed transactionserializer invalid field references.

api/serializers.py

@@ -113,7 +113,9 @@ class InstitutionSerializer(serializers.HyperlinkedModelSerializer):
 class TransactionSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Transaction
-        fields = ['url', 'datetime', 'Bank', 'details']
+        fields = ['url', 'authorized_date',
+                  'bank', 'name','details','slice','trans_id',
+                  'updated_at','created_at']
 
 
 class SliceSerializer(serializers.HyperlinkedModelSerializer):

qrtr_account/models.py

@@ -117,7 +117,7 @@ class Transaction(models.Model):
                              related_name='transactions')
     name = models.CharField(max_length=255)
     details = models.JSONField()
-    Slice = models.ForeignKey(Slice, on_delete=models.SET_NULL, null=True)
+    slice = models.ForeignKey(Slice, on_delete=models.SET_NULL, null=True)
     trans_id = models.CharField(max_length=255)
     updated_at = models.DateTimeField(auto_now=True)
     created_at = models.DateTimeField(auto_now_add=True)