require 'MxnBanks/version'

module MxnBanks
  def self.from_iban(num)
    a = to_hash.select { |b| b[:number] == num.slice(0, 3) }
    a.first
  end

  def self.to_hash
    @banks ||= JSON.parse(File.read('lib/banks.json'), symbolize_names: true)
  end
end