public Task <byte[]> ContentQueryAsync(byte[] node, BlockParameter blockParameter = null)
        {
            var contentFunction = new ContentFunction();

            contentFunction.Node = node;

            return(ContractHandler.QueryAsync <ContentFunction, byte[]>(contentFunction, blockParameter));
        }
 public Task <byte[]> ContentQueryAsync(ContentFunction contentFunction, BlockParameter blockParameter = null)
 {
     return(ContractHandler.QueryAsync <ContentFunction, byte[]>(contentFunction, blockParameter));
 }