code: func NewGetBlockCmd(hash string, verbose, verboseTx *bool) *GetBlockCmd {
  	return &GetBlockCmd{
  		Hash:      hash,
  		Verbose:   verbose,
  		VerboseTx: verboseTx,
  	}
  }
docs: // NewGetBlockCmd returns a new instance which can be used to issue a getblock
  // JSON-RPC command.
  //
  // The parameters which are pointers indicate they are optional.  Passing nil
  // for optional parameters will use the default value.