RubyMoney/money · error · Money::Bank::UnknownRateFormat

Money::Bank::UnknownRateFormat

Error message

Money::Bank::UnknownRateFormat

What it means

Error "Money::Bank::UnknownRateFormat" thrown in RubyMoney/money.

Source

Thrown at lib/money/bank/variable_exchange.rb:221

      # Available formats are +:json+, +:ruby+ and +:yaml+.
      #
      # @param [Symbol] format Request format for the resulting string.
      # @param [String] file Optional file location to write the rates to.
      # @param [Hash] opts Options hash to set special parameters. Backwards compatibility only.
      #
      # @return [String]
      #
      # @raise +Money::Bank::UnknownRateFormat+ if format is unknown.
      #
      # @example
      #   bank = Money::Bank::VariableExchange.new
      #   bank.set_rate("USD", "CAD", 1.24515)
      #   bank.set_rate("CAD", "USD", 0.803115)
      #
      #   s = bank.export_rates(:json)
      #   s #=> "{\"USD_TO_CAD\":1.24515,\"CAD_TO_USD\":0.803115}"
      def export_rates(format, file = nil, _opts = {})
        raise Money::Bank::UnknownRateFormat unless RATE_FORMATS.include?(format)

        store.transaction do
          s = FORMAT_SERIALIZERS[format].dump(rates)

          unless file.nil?
            File.write(file, s)
          end

          s
        end
      end

      # This should be deprecated.
      def rates
        store.each_rate.with_object({}) do |(from, to, rate), hash|
          hash[[from, to].join(SERIALIZER_SEPARATOR)] = rate
        end
      end

View on GitHub (pinned to 26e2829c34)

When it happens

Trigger: Thrown at lib/money/bank/variable_exchange.rb:221 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of RubyMoney/money@26e2829c34 (2026-08-23). Data as JSON: /api/errors/618ee1223c4e0060. Report an issue: GitHub.