// Unlocked represents the unlocked state receiving coins.
func (m *lockMachine) Unlocked(ctx cells.Cell, event cells.Event) (behaviors.FSMState, error) {
switch event.Topic() {
case "cents?":
return m.Unlocked, event.Respond(m.cents)
case "info?":
info := fmt.Sprintf("state 'unlocked' with %d cents", m.cents)
return m.Unlocked, event.Respond(info)
case "coin!":
cents := payloadCents(event)
ctx.EmitNewContext("return", cents, event.Context())
return m.Unlocked, nil
case "button-press!":
ctx.Environment().EmitNewContext("restorer", "drop!", m.cents, event.Context())
m.cents = 0
return m.Locked, nil
}
return m.Unlocked, fmt.Errorf("illegal topic in state 'unlocked': %s", event.Topic())
}
