code: func (el *ChannelEventListener) RegReceivingDeposits() *ChannelEventListener {
  	el.ReceivingDeposit = make(chan bundle.Bundle)
  	el.ids = append(el.ids, el.em.RegisterListener(func(data interface{}) {
  		el.ReceivingDeposit <- data.(bundle.Bundle)
  	}, poller.EventReceivingDeposit))
  	return el
  }
docs: // RegReceivingDeposits registers this listener to listen for incoming deposits which are not yet confirmed.