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- // Copyright 2019 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package rlp
- import (
- "bytes"
- "fmt"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/rlp"
- )
- func decodeEncode(input []byte, val interface{}, i int) {
- if err := rlp.DecodeBytes(input, val); err == nil {
- output, err := rlp.EncodeToBytes(val)
- if err != nil {
- panic(err)
- }
- if !bytes.Equal(input, output) {
- panic(fmt.Sprintf("case %d: encode-decode is not equal, \ninput : %x\noutput: %x", i, input, output))
- }
- }
- }
- func Fuzz(input []byte) int {
- if len(input) == 0 {
- return 0
- }
- var i int
- {
- rlp.Split(input)
- }
- {
- if elems, _, err := rlp.SplitList(input); err == nil {
- rlp.CountValues(elems)
- }
- }
- {
- rlp.NewStream(bytes.NewReader(input), 0).Decode(new(interface{}))
- }
- {
- decodeEncode(input, new(interface{}), i)
- i++
- }
- {
- var v struct {
- Int uint
- String string
- Bytes []byte
- }
- decodeEncode(input, &v, i)
- i++
- }
- {
- type Types struct {
- Bool bool
- Raw rlp.RawValue
- Slice []*Types
- Iface []interface{}
- }
- var v Types
- decodeEncode(input, &v, i)
- i++
- }
- {
- type AllTypes struct {
- Int uint
- String string
- Bytes []byte
- Bool bool
- Raw rlp.RawValue
- Slice []*AllTypes
- Array [3]*AllTypes
- Iface []interface{}
- }
- var v AllTypes
- decodeEncode(input, &v, i)
- i++
- }
- {
- decodeEncode(input, [10]byte{}, i)
- i++
- }
- {
- var v struct {
- Byte [10]byte
- Rool [10]bool
- }
- decodeEncode(input, &v, i)
- i++
- }
- {
- var h types.Header
- decodeEncode(input, &h, i)
- i++
- var b types.Block
- decodeEncode(input, &b, i)
- i++
- var t types.Transaction
- decodeEncode(input, &t, i)
- i++
- var txs types.Transactions
- decodeEncode(input, &txs, i)
- i++
- var rs types.Receipts
- decodeEncode(input, &rs, i)
- }
- return 1
- }
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