gistfile1.rb

class Withdrawal
  workflow do
    state :new do
      event :request_amount, :transitions_to => :awaiting_payment
      event :request_max, :transitions_to => :pending_end_of_month
    end

    state :awaiting_payment do
      event :pay, :transitions_to => :paid
      event :requires_inspection_for_fraud, :transitions_to => :possible_fraud
      event :cancel, :transitions_to => :cancelled
    end

    state :pending_end_of_month do
      event :cancel, :transitions_to => :cancelled
      event :fill, :transitions_to => :awaiting_payment
    end

    state :paid

    state :possible_fraud do
      event :confirm_as_fraudulent, :transitions_to => :denied
      event :false_positive, :transitions_to => :awaiting_payment
    end

    state :denied

    state :canceled
  end
end