code: func NewGetNetworkHashPSCmd(numBlocks, height *int) *GetNetworkHashPSCmd {
  	return &GetNetworkHashPSCmd{
  		Blocks: numBlocks,
  		Height: height,
  	}
  }
docs: // NewGetNetworkHashPSCmd returns a new instance which can be used to issue a
  // getnetworkhashps JSON-RPC command.
  //
  // The parameters which are pointers indicate they are optional.  Passing nil
  // for optional parameters will use the default value.