code: func (el *ChannelEventListener) RegReceivedDeposits() *ChannelEventListener {
  	el.ReceivedDeposit = make(chan bundle.Bundle)
  	el.ids = append(el.ids, el.em.RegisterListener(func(data interface{}) {
  		el.ReceivedDeposit <- data.(bundle.Bundle)
  	}, poller.EventReceivedDeposit))
  	return el
  }
docs: // RegReceivedDeposits registers this listener to listen for received (confirmed) deposits.