rcb_part.rb

  def self.force_refetch!(&block)
    is_feched = false

    while is_feched == false
      begin
        RcbBank.set!
        RcbBank.fetch_rates!
        RcbBank.store_rates

        is_feched = true

        if block_given?
          yield RcbBank.rates_updated_on, RcbBank.rates
        end
      rescue Money::Bank::RussianCentralBank::FetchError => e
        puts "retrying because of #{e}"
      end
    end
  end