new_contents: from storj_gui_client.UI.utilities import account_manager
  from storj_gui_client.UI.engine import StorjEngine
  
  # Module for buckets for OwnStorj
  
  storj_engine = StorjEngine()  # init StorjEngine
  
  def get_buckets_array():
      buckets_array = storj_engine.storj_client.bucket_list()
      return buckets_array
  
  def calculate_bucket_stats(buckets_array):
      buckets_details_array = {}
      i = 0
      for bucket in buckets_array:
          total_bucket_files_size = 0
          total_bucket_files_count = 0
  
          for file in storj_engine.storj_client.bucket_files(bucket_id=bucket.id):
              total_bucket_files_size += int(file['size'])
              total_bucket_files_count += 1
  
          buckets_details_array[i, "size"] = total_bucket_files_size
          buckets_details_array[i, "count"] = total_bucket_files_count
          i += 1
  
          return buckets_details_array
  
subject: Create buckets backend for OwnStorj