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add fuzz tests
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6 files changed

+247
-135
lines changed

6 files changed

+247
-135
lines changed

‎network/vpack/defs.go‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,7 +16,11 @@
1616

1717
package vpack
1818

19+
// generates static_table.go and parse.go
20+
//go:generate go run gen.go
21+
1922
const (
23+
// vpack marker byte values:
2024
// 0x00 - 0xbf reserved for dynamic table entries
2125
// 0xc0 - 0xef reserved for static table entries
2226
// 0xf0 - 0xff reserved for markers
@@ -25,7 +29,7 @@ const (
2529
markerLiteralBin64 = 0xf0 // signatures
2630
markerLiteralBin80 = 0xf1 // pf
2731
markerDynamicBin32 = 0xf2 // digests, addresses, pubkeys
28-
32+
// Uint types: fixuint, uint8, uint16, uint32, uint64
2933
markerDynamicFixuint = 0xf3 // msgpack fixuint
3034
markerDynamicUint8 = 0xf4 // msgpack uint8
3135
markerDynamicUint16 = 0xf5 // msgpack uint16

‎network/vpack/gen.go‎

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -133,6 +133,11 @@ func parseVote(data []byte, c compressWriter) error {
133133
`
134134

135135
const parseFuncFooter = `
136+
// Check for trailing bytes
137+
if p.pos < len(p.data) {
138+
return fmt.Errorf("unexpected trailing data: %d bytes remain unprocessed", len(p.data) - p.pos)
139+
}
140+
136141
return nil
137142
}
138143
`
@@ -230,7 +235,6 @@ const parseFuncTemplate = `{{if gt .FixedSize 0}}
230235
}
231236
`
232237

233-
//go:generate go run gen.go
234238
func main() {
235239
gen := newCodeGenerator(0xd0, 0xc0)
236240
err := gen.generate(reflect.TypeOf(agreement.UnauthenticatedVote{}))
@@ -283,7 +287,6 @@ func (g *codeGenerator) generate(root reflect.Type) error {
283287
}
284288

285289
const hdr = `
286-
// go generate gen.go
287290
// Code generated by gen.go; DO NOT EDIT.
288291
289292
package vpack

‎network/vpack/parse.go‎

Lines changed: 5 additions & 1 deletion
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎network/vpack/parse_test.go‎

Lines changed: 133 additions & 106 deletions
Original file line numberDiff line numberDiff line change
@@ -29,110 +29,112 @@ import (
2929
// a string that is greater than the max 5-bit fixmap size
3030
const gtFixMapString = "12345678901234567890123456789012"
3131

32+
var parseVoteTestCases = []struct {
33+
obj any
34+
errContains string
35+
}{
36+
// vote
37+
{map[string]string{"a": "1", "b": "2"},
38+
"expected fixed map size 3 for unauthenticatedVote, got 2"},
39+
{map[string]any{"a": 1, "b": 2, "c": 3},
40+
"unexpected field in unauthenticatedVote"},
41+
{[]int{1, 2, 3},
42+
"reading map for unauthenticatedVote"},
43+
{map[string]string{"a": "1", "b": "2", "c": "3", "d": "4", "e": "5", "f": "6", "g": "7"},
44+
"expected fixed map size 3 for unauthenticatedVote, got 7"},
45+
{map[string]string{gtFixMapString: "1", "b": "2", "c": "3"},
46+
"reading key for unauthenticatedVote"},
47+
48+
// cred
49+
{map[string]string{"cred": "1", "d": "2", "e": "3"},
50+
"reading map for UnauthenticatedCredential"},
51+
{map[string]any{"cred": map[string]int{"pf": 1, "q": 2}, "d": "2", "e": "3"},
52+
"expected fixed map size 1 for UnauthenticatedCredential, got 2"},
53+
{map[string]any{"cred": map[string]int{gtFixMapString: 1}, "d": "2", "e": "3"},
54+
"reading key for UnauthenticatedCredential"},
55+
{map[string]any{"cred": map[string]string{"invalid": "1"}, "r": "2", "sig": "3"},
56+
"unexpected field in UnauthenticatedCredential"},
57+
{map[string]any{"cred": map[string]any{"pf": []byte{1, 2, 3}}, "r": "2", "sig": "3"},
58+
"reading pf"},
59+
60+
// rawVote
61+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": []int{1, 2, 3}, "sig": "3"},
62+
"reading map for rawVote"},
63+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{}, "sig": "3"},
64+
"expected fixmap size for rawVote 1 <= cnt <= 5, got 0"},
65+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"a": "1", "b": "2", "c": "3", "d": "4", "e": "5", "f": "6"}, "sig": "3"},
66+
"expected fixmap size for rawVote 1 <= cnt <= 5, got 6"},
67+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{gtFixMapString: "1"}, "sig": "3"},
68+
"reading key for rawVote"},
69+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"invalid": "1"}, "sig": "3"},
70+
"unexpected field in rawVote"},
71+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"per": "not-a-number"}, "sig": "3"},
72+
"reading per"},
73+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": "not-a-number"}, "sig": "3"},
74+
"reading rnd"},
75+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"step": "not-a-number"}, "sig": "3"},
76+
"reading step"},
77+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": "not-a-map"}, "sig": "3"},
78+
"reading map for proposalValue"},
79+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"snd": []int{1, 2, 3}}, "sig": "3"},
80+
"reading snd"},
81+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"snd": "1"}, "sig": []int{1, 2, 3}},
82+
"reading snd: expected bin8 length 32"},
83+
84+
// proposalValue
85+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]string{"invalid": "1"}}, "sig": "3"},
86+
"unexpected field in proposalValue"},
87+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]string{gtFixMapString: "1"}}, "sig": "3"},
88+
"reading key for proposalValue"},
89+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"dig": []int{1, 2, 3}}}, "sig": "3"},
90+
"reading dig"},
91+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"encdig": []int{1, 2, 3}}}, "sig": "3"},
92+
"reading encdig"},
93+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"oper": "not-a-number"}}, "sig": "3"},
94+
"reading oper"},
95+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"oprop": []int{1, 2, 3}}}, "sig": "3"},
96+
"reading oprop"},
97+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"a": 1, "b": 2, "c": 3, "d": 4, "e": 5}}, "sig": "3"},
98+
"expected fixmap size for proposalValue 1 <= cnt <= 4, got 5"},
99+
100+
// sig
101+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": []int{1, 2, 3}},
102+
"reading map for OneTimeSignature"},
103+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{}},
104+
"expected fixed map size 6 for OneTimeSignature, got 0"},
105+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{"p": []int{1}}},
106+
"expected fixed map size 6 for OneTimeSignature, got 1"},
107+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
108+
gtFixMapString: "1", "a": 1, "b": 2, "c": 3, "d": 4, "e": 5}},
109+
"reading key for OneTimeSignature"},
110+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
111+
"a": 1, "b": 2, "c": 3, "d": 4, "e": 5, "f": 6}},
112+
"unexpected field in OneTimeSignature"},
113+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
114+
"p": []int{1}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
115+
"reading p: expected bin8 length 32"},
116+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
117+
"p": [32]byte{}, "p1s": []int{1}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
118+
"reading p1s: expected bin8 length 64"},
119+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
120+
"p": [32]byte{}, "p1s": [64]byte{}, "p2": []int{1}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
121+
"reading p2: expected bin8 length 32"},
122+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
123+
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": []int{1}, "ps": [64]byte{}, "s": [64]byte{}}},
124+
"reading p2s: expected bin8 length 64"},
125+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
126+
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": []int{1}, "s": [64]byte{}}},
127+
"reading ps: expected bin8 length 64"},
128+
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
129+
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": []int{1}}},
130+
"reading s: expected bin8 length 64"},
131+
}
132+
32133
// TestParseVoteErrors tests error cases of the parseVote function
33134
func TestParseVoteErrors(t *testing.T) {
34135
partitiontest.PartitionTest(t)
35136

36-
for _, tc := range []struct {
37-
obj any
38-
errContains string
39-
}{
40-
// vote
41-
{map[string]string{"a": "1", "b": "2"},
42-
"expected fixed map size 3 for unauthenticatedVote, got 2"},
43-
{map[string]any{"a": 1, "b": 2, "c": 3},
44-
"unexpected field in unauthenticatedVote"},
45-
{[]int{1, 2, 3},
46-
"reading map for unauthenticatedVote"},
47-
{map[string]string{"a": "1", "b": "2", "c": "3", "d": "4", "e": "5", "f": "6", "g": "7"},
48-
"expected fixed map size 3 for unauthenticatedVote, got 7"},
49-
{map[string]string{gtFixMapString: "1", "b": "2", "c": "3"},
50-
"reading key for unauthenticatedVote"},
51-
52-
// cred
53-
{map[string]string{"cred": "1", "d": "2", "e": "3"},
54-
"reading map for UnauthenticatedCredential"},
55-
{map[string]any{"cred": map[string]int{"pf": 1, "q": 2}, "d": "2", "e": "3"},
56-
"expected fixed map size 1 for UnauthenticatedCredential, got 2"},
57-
{map[string]any{"cred": map[string]int{gtFixMapString: 1}, "d": "2", "e": "3"},
58-
"reading key for UnauthenticatedCredential"},
59-
{map[string]any{"cred": map[string]string{"invalid": "1"}, "r": "2", "sig": "3"},
60-
"unexpected field in UnauthenticatedCredential"},
61-
{map[string]any{"cred": map[string]any{"pf": []byte{1, 2, 3}}, "r": "2", "sig": "3"},
62-
"reading pf"},
63-
64-
// rawVote
65-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": []int{1, 2, 3}, "sig": "3"},
66-
"reading map for rawVote"},
67-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{}, "sig": "3"},
68-
"expected fixmap size for rawVote 1 <= cnt <= 5, got 0"},
69-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"a": "1", "b": "2", "c": "3", "d": "4", "e": "5", "f": "6"}, "sig": "3"},
70-
"expected fixmap size for rawVote 1 <= cnt <= 5, got 6"},
71-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{gtFixMapString: "1"}, "sig": "3"},
72-
"reading key for rawVote"},
73-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"invalid": "1"}, "sig": "3"},
74-
"unexpected field in rawVote"},
75-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"per": "not-a-number"}, "sig": "3"},
76-
"reading per"},
77-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": "not-a-number"}, "sig": "3"},
78-
"reading rnd"},
79-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"step": "not-a-number"}, "sig": "3"},
80-
"reading step"},
81-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": "not-a-map"}, "sig": "3"},
82-
"reading map for proposalValue"},
83-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"snd": []int{1, 2, 3}}, "sig": "3"},
84-
"reading snd"},
85-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]string{"snd": "1"}, "sig": []int{1, 2, 3}},
86-
"reading snd: expected bin8 length 32"},
87-
88-
// proposalValue
89-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]string{"invalid": "1"}}, "sig": "3"},
90-
"unexpected field in proposalValue"},
91-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]string{gtFixMapString: "1"}}, "sig": "3"},
92-
"reading key for proposalValue"},
93-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"dig": []int{1, 2, 3}}}, "sig": "3"},
94-
"reading dig"},
95-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"encdig": []int{1, 2, 3}}}, "sig": "3"},
96-
"reading encdig"},
97-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"oper": "not-a-number"}}, "sig": "3"},
98-
"reading oper"},
99-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"oprop": []int{1, 2, 3}}}, "sig": "3"},
100-
"reading oprop"},
101-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"prop": map[string]any{"a": 1, "b": 2, "c": 3, "d": 4, "e": 5}}, "sig": "3"},
102-
"expected fixmap size for proposalValue 1 <= cnt <= 4, got 5"},
103-
104-
// sig
105-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": []int{1, 2, 3}},
106-
"reading map for OneTimeSignature"},
107-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{}},
108-
"expected fixed map size 6 for OneTimeSignature, got 0"},
109-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{"p": []int{1}}},
110-
"expected fixed map size 6 for OneTimeSignature, got 1"},
111-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
112-
gtFixMapString: "1", "a": 1, "b": 2, "c": 3, "d": 4, "e": 5}},
113-
"reading key for OneTimeSignature"},
114-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
115-
"a": 1, "b": 2, "c": 3, "d": 4, "e": 5, "f": 6}},
116-
"unexpected field in OneTimeSignature"},
117-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
118-
"p": []int{1}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
119-
"reading p: expected bin8 length 32"},
120-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
121-
"p": [32]byte{}, "p1s": []int{1}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
122-
"reading p1s: expected bin8 length 64"},
123-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
124-
"p": [32]byte{}, "p1s": [64]byte{}, "p2": []int{1}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": [64]byte{}}},
125-
"reading p2: expected bin8 length 32"},
126-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
127-
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": []int{1}, "ps": [64]byte{}, "s": [64]byte{}}},
128-
"reading p2s: expected bin8 length 64"},
129-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
130-
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": []int{1}, "s": [64]byte{}}},
131-
"reading ps: expected bin8 length 64"},
132-
{map[string]any{"cred": map[string]any{"pf": crypto.VrfProof{1}}, "r": map[string]any{"rnd": 1}, "sig": map[string]any{
133-
"p": [32]byte{}, "p1s": [64]byte{}, "p2": [32]byte{}, "p2s": [64]byte{}, "ps": [64]byte{}, "s": []int{1}}},
134-
"reading s: expected bin8 length 64"},
135-
} {
137+
for _, tc := range parseVoteTestCases {
136138
mock := &mockCompressWriter{}
137139
var buf []byte
138140
// protocol.Encode and protocol.EncodeReflect encode keys in alphabetical order
@@ -143,22 +145,47 @@ func TestParseVoteErrors(t *testing.T) {
143145
}
144146
err := parseVote(buf, mock)
145147
require.Error(t, err)
146-
t.Logf("For test with %T, got error: %v, expected to contain: %v", tc.obj, err, tc.errContains)
147148
require.Contains(t, err.Error(), tc.errContains)
148149
}
149150
}
150151

152+
// TestParseEncodeStaticSteps asserts that table entries for step:1, step:2, step:3 are encoded
153+
func TestParseEncodeStaticSteps(t *testing.T) {
154+
partitiontest.PartitionTest(t)
155+
v := agreement.UnauthenticatedVote{}
156+
v.Cred.Proof[0] = 1 // not empty
157+
v.R.Round = 1
158+
v.Sig.PK[0] = 1 // not empty
159+
160+
for i := 1; i <= 3; i++ {
161+
var expectedStaticIdx uint8
162+
switch i {
163+
case 1:
164+
v.R.Step = 1
165+
expectedStaticIdx = staticIdxStepVal1Field
166+
case 2:
167+
v.R.Step = 2
168+
expectedStaticIdx = staticIdxStepVal2Field
169+
case 3:
170+
v.R.Step = 3
171+
expectedStaticIdx = staticIdxStepVal3Field
172+
}
173+
174+
msgpbuf := protocol.Encode(&v)
175+
w := &mockCompressWriter{}
176+
err := parseVote(msgpbuf, w)
177+
require.NoError(t, err)
178+
require.Contains(t, w.writes, expectedStaticIdx)
179+
}
180+
}
181+
151182
// mockCompressWriter implements compressWriter for testing
152183
type mockCompressWriter struct{ writes []any }
153184

154-
func (m *mockCompressWriter) writeStatic(idx uint8) { m.writes = append(m.writes, idx) }
155-
185+
func (m *mockCompressWriter) writeStatic(idx uint8) { m.writes = append(m.writes, idx) }
156186
func (m *mockCompressWriter) writeLiteralBin64(val [64]byte) { m.writes = append(m.writes, val) }
157-
158187
func (m *mockCompressWriter) writeLiteralBin80(val [80]byte) { m.writes = append(m.writes, val) }
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func (m *mockCompressWriter) writeDynamicBin32(val [32]byte) { m.writes = append(m.writes, val) }
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func (m *mockCompressWriter) writeDynamicVaruint(valBytes []byte) error {
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m.writes = append(m.writes, valBytes)
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return nil

‎network/vpack/static_table.go‎

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