github.com/klaytn/klaytn@v1.12.1/rlp/encbuffer_example_test.go (about)

     1  // Modifications Copyright 2022 The klaytn Authors
     2  // Copyright 2022 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // The go-ethereum library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  // GNU Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from rlp/encbuffer_example_test.go(2022/05/19)
    19  // Modified and improved for the klaytn development.
    20  
    21  package rlp_test
    22  
    23  import (
    24  	"bytes"
    25  	"fmt"
    26  
    27  	"github.com/klaytn/klaytn/rlp"
    28  )
    29  
    30  func ExampleEncoderBuffer() {
    31  	var w bytes.Buffer
    32  
    33  	// Encode [4, [5, 6]] to w.
    34  	buf := rlp.NewEncoderBuffer(&w)
    35  	l1 := buf.List()
    36  	buf.WriteUint64(4)
    37  	l2 := buf.List()
    38  	buf.WriteUint64(5)
    39  	buf.WriteUint64(6)
    40  	buf.ListEnd(l2)
    41  	buf.ListEnd(l1)
    42  
    43  	if err := buf.Flush(); err != nil {
    44  		panic(err)
    45  	}
    46  	fmt.Printf("%X\n", w.Bytes())
    47  	// Output:
    48  	// C404C20506
    49  }