-
Notifications
You must be signed in to change notification settings - Fork 0
/
fastlz_test.go
238 lines (194 loc) · 14.8 KB
/
fastlz_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
//go:build cgo_test
// +build cgo_test
package op_e2e
import (
"context"
"encoding/binary"
"fmt"
"math/big"
"testing"
"time"
"github.com/ethereum-optimism/optimism/op-e2e/bindings"
"github.com/ethereum-optimism/optimism/op-e2e/fastlz"
"github.com/ethereum-optimism/optimism/op-service/predeploys"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient/simulated"
"github.com/ethereum/go-ethereum/params"
"github.com/stretchr/testify/require"
)
var (
// This bytecode and ABI is for a contract, which wraps the LibZip library for easier fuzz testing.
// The source of this contract is here: https://github.com/danyalprout/fastlz/blob/main/src/FastLz.sol#L6-L10
contract = &bind.MetaData{
ABI: "[{\"type\":\"function\",\"name\":\"fastLz\",\"inputs\":[{\"name\":\"_data\",\"type\":\"bytes\",\"internalType\":\"bytes\"}],\"outputs\":[{\"name\":\"\",\"type\":\"uint256\",\"internalType\":\"uint256\"}],\"stateMutability\":\"pure\"}]",
}
fastLzBytecode = "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"
seeds = [][]byte{
// https: //basescan.org/tx/0x5dadeb52979f29fc7a7494c43fdabc5be1d8ff404f3aafe93d729fa8e5d00769
common.FromHex("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"),
// https://basescan.org/tx/0xfaada76a2dac09fc17f5a28d066aaabefc6d82ef6589b211ed8c9f766b070721
common.FromHex("b87602f873822105528304320f8409cfe5c98252089480c67432656d59144ceff962e8faf8926599bcf888011dfe52d06b633f80c001a08632f069f837aea7a28bab0affee14dda116956bd5a850a355c045d25afedd17a0084b8f273efffe17ece527116053e5781a4915ff89ab9c379f1e62c25b697687"),
// https://basescan.org/tx/0x112864e9b971af6a1dac840018833c5a5a659acc187cfdaba919ad1da013678d
common.FromHex("b8b302f8b0822105308304320f8409cfe5c9827496944ed4e862860bed51a9570b96d89af5e1b0efefed80b844095ea7b3000000000000000000000000000000000022d473030f116ddee9f6b43ac78ba300000000000000000000000000000000000000000000015e10fb0973595fffffc001a02020e39f07917c1a852feb131c857e12478c7e88a20772b91a8bf5cee38c5aeea06055981727f9aaa3471c1af800555b35a77916c154be3f9d02ad1a63029455ab"),
// https://basescan.org/tx/0x6905051352691641888d0c427fb137c5b95afb5870d5169ff014eff1d0952195
common.FromHex("b87202f86f8221058303dc6c8310db1f84068fa8d7838954409436af2ff952a7355c8045fcd5e88bc9f6c8257f7b8080c001a0b89e7ff3d7694109e73e7f4244e032581670313c36e48e485c9c94b853bd81d2a038ffaf8f10859ce21d1f7f7046c3d08027fb8aa15b69038f6102be97aaa1179a"),
// https://basescan.org/tx/0x6a38e9a26d7202a2268de69d2d47531c1a9829867579a483fb48d78e9e0b080d
common.FromHex("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"),
}
)
type testStateGetter struct {
baseFee, blobBaseFee, overhead, scalar *big.Int
baseFeeScalar, blobBaseFeeScalar uint32
}
func (sg *testStateGetter) GetState(addr common.Address, slot common.Hash) common.Hash {
buf := common.Hash{}
switch slot {
case types.L1BaseFeeSlot:
sg.baseFee.FillBytes(buf[:])
case types.OverheadSlot:
sg.overhead.FillBytes(buf[:])
case types.ScalarSlot:
sg.scalar.FillBytes(buf[:])
case types.L1BlobBaseFeeSlot:
sg.blobBaseFee.FillBytes(buf[:])
case types.L1FeeScalarsSlot:
// fetch Ecotone fee sclars
offset := 32 - types.BaseFeeScalarSlotOffset - 4 // todo maybe make scalarSelectSTartPublic
binary.BigEndian.PutUint32(buf[offset:offset+4], sg.baseFeeScalar)
binary.BigEndian.PutUint32(buf[offset+4:offset+8], sg.blobBaseFeeScalar)
default:
panic("unknown slot")
}
return buf
}
func FuzzFjordCostFunction(f *testing.F) {
for _, seed := range seeds {
f.Add(seed)
}
cfg := DefaultSystemConfig(f)
s := hexutil.Uint64(0)
cfg.DeployConfig.L2GenesisCanyonTimeOffset = &s
cfg.DeployConfig.L2GenesisDeltaTimeOffset = &s
cfg.DeployConfig.L2GenesisEcotoneTimeOffset = &s
cfg.DeployConfig.L2GenesisFjordTimeOffset = &s
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
opGeth, err := NewOpGeth(f, ctx, &cfg)
require.NoError(f, err)
defer opGeth.Close()
gpoCaller, err := bindings.NewGasPriceOracleCaller(predeploys.GasPriceOracleAddr, opGeth.L2Client)
require.NoError(f, err)
isFjord, err := gpoCaller.IsFjord(&bind.CallOpts{})
require.NoError(f, err)
require.True(f, isFjord)
_, err = opGeth.AddL2Block(context.Background())
require.NoError(f, err)
baseFee, err := gpoCaller.L1BaseFee(&bind.CallOpts{})
require.NoError(f, err)
require.Greater(f, baseFee.Uint64(), uint64(0))
blobBaseFee, err := gpoCaller.BlobBaseFee(&bind.CallOpts{})
require.NoError(f, err)
require.Greater(f, blobBaseFee.Uint64(), uint64(0))
baseFeeScalar, err := gpoCaller.BaseFeeScalar(&bind.CallOpts{})
require.NoError(f, err)
require.Greater(f, baseFeeScalar, uint32(0))
blobBaseFeeScalar, err := gpoCaller.BlobBaseFeeScalar(&bind.CallOpts{})
require.NoError(f, err)
require.Equal(f, blobBaseFeeScalar, uint32(0))
// we can ignore the blobbasefee, as the scalar is set to zero.
feeScaled := big.NewInt(16)
feeScaled.Mul(feeScaled, baseFee)
feeScaled.Mul(feeScaled, big.NewInt(int64(baseFeeScalar)))
db := &testStateGetter{
baseFee: baseFee,
blobBaseFee: blobBaseFee,
overhead: big.NewInt(0), // not used for fjord
scalar: big.NewInt(0), // not used for fjord
baseFeeScalar: baseFeeScalar,
blobBaseFeeScalar: blobBaseFeeScalar,
}
zeroTime := uint64(0)
// create a config where ecotone/fjord upgrades are active
config := ¶ms.ChainConfig{
Optimism: params.OptimismTestConfig.Optimism,
RegolithTime: &zeroTime,
EcotoneTime: &zeroTime,
FjordTime: &zeroTime,
}
require.True(f, config.IsOptimismEcotone(zeroTime))
require.True(f, config.IsOptimismFjord(zeroTime))
costFunc := types.NewL1CostFunc(config, db)
f.Fuzz(func(t *testing.T, fuzzedData []byte) {
flzSize := types.FlzCompressLen(fuzzedData)
// Skip transactions that will be clamped to the minimum or less. These will fuzz to different values
// due to the solidity l1BlockGenesis adding 68 extra bytes to account for the signature.
estimatedSize := big.NewInt(int64(flzSize))
estimatedSize.Mul(estimatedSize, types.L1CostFastlzCoef)
estimatedSize.Add(estimatedSize, types.L1CostIntercept)
if estimatedSize.Cmp(types.MinTransactionSizeScaled) < 0 {
t.Skip()
return
}
l1FeeSolidity, err := gpoCaller.GetL1Fee(&bind.CallOpts{}, fuzzedData)
require.NoError(t, err)
// remove the adjustment
l1FeeSolidity.Mul(l1FeeSolidity, big.NewInt(1e12))
l1FeeSolidity.Div(l1FeeSolidity, feeScaled)
totalAdjustment := new(big.Int).Mul(big.NewInt(68), big.NewInt(836_500))
l1FeeSolidity.Sub(l1FeeSolidity, totalAdjustment)
l1FeeSolidity.Mul(l1FeeSolidity, feeScaled)
l1FeeSolidity.Div(l1FeeSolidity, big.NewInt(1e12))
costData := types.NewRollupCostData(fuzzedData)
l1FeeGeth := costFunc(costData, zeroTime)
require.Equal(t, l1FeeGeth.Uint64(), l1FeeSolidity.Uint64(), fmt.Sprintf("fuzzedData: %x", common.Bytes2Hex(fuzzedData)))
})
}
func FuzzFastLzGethSolidity(f *testing.F) {
for _, seed := range seeds {
f.Add(seed)
}
contractAbi, err := contract.GetAbi()
require.NoError(f, err)
b := simulated.NewBackend(map[common.Address]types.Account{
predeploys.GasPriceOracleAddr: {
Code: common.FromHex(fastLzBytecode),
},
})
defer func() {
require.NoError(f, b.Close())
}()
client := b.Client()
f.Fuzz(func(t *testing.T, data []byte) {
req, err := contractAbi.Pack("fastLz", data)
require.NoError(t, err)
response, err := client.CallContract(context.Background(), ethereum.CallMsg{
To: &predeploys.GasPriceOracleAddr,
Data: req,
}, nil)
require.NoError(t, err)
result, err := contractAbi.Unpack("fastLz", response)
require.NoError(t, err)
gethCompressedLen := types.FlzCompressLen(data)
require.Equal(t, result[0].(*big.Int).Uint64(), uint64(gethCompressedLen))
})
}
func FuzzFastLzCgo(f *testing.F) {
for _, seed := range seeds {
f.Add(seed)
}
f.Fuzz(func(t *testing.T, data []byte) {
if len(data) == 0 {
t.Skip()
return
}
// Our implementation in go-ethereum
compressedLen := types.FlzCompressLen(data)
out, err := fastlz.Compress(data)
require.NoError(t, err)
require.Equal(t, int(compressedLen), len(out))
})
}