code: func (ef *FeeEstimator) estimates() []SatoshiPerByte {
  	set := ef.newEstimateFeeSet()
  
  	estimates := make([]SatoshiPerByte, estimateFeeDepth)
  	for i := 0; i < estimateFeeDepth; i++ {
  		estimates[i] = set.estimateFee(i + 1)
  	}
  
  	return estimates
  }
docs: // estimates returns the set of all fee estimates from 1 to estimateFeeDepth
  // confirmations from now.