This commit is contained in:
b00ris 2018-02-28 12:32:21 +00:00 committed by GitHub
commit f015db384b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 683 additions and 327 deletions

View file

@ -26,6 +26,11 @@ import (
"github.com/ethereum/go-ethereum/log"
)
const (
ALL_TOPICS = ""
MAX_POOL_CAPACITY = 1000
)
type Filter struct {
Src *ecdsa.PublicKey // Sender of the message
KeyAsym *ecdsa.PrivateKey // Private Key of recipient
@ -40,16 +45,19 @@ type Filter struct {
}
type Filters struct {
watchers map[string]*Filter
whisper *Whisper
mutex sync.RWMutex
watchers map[string]*Filter
whisper *Whisper
mutex sync.RWMutex
topicMatcher *topicMatcher
}
func NewFilters(w *Whisper) *Filters {
return &Filters{
watchers: make(map[string]*Filter),
whisper: w,
fs := &Filters{
watchers: make(map[string]*Filter),
whisper: w,
topicMatcher: newTopicMatcher(),
}
return fs
}
func (fs *Filters) Install(watcher *Filter) (string, error) {
@ -74,6 +82,7 @@ func (fs *Filters) Install(watcher *Filter) (string, error) {
}
fs.watchers[id] = watcher
fs.topicMatcher.addFilterToTopicsMapping(watcher, id)
return id, err
}
@ -82,6 +91,7 @@ func (fs *Filters) Uninstall(id string) bool {
defer fs.mutex.Unlock()
if fs.watchers[id] != nil {
delete(fs.watchers, id)
fs.topicMatcher.removeTopicFromTopicMapping(id)
return true
}
return false
@ -95,15 +105,22 @@ func (fs *Filters) Get(id string) *Filter {
func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) {
var msg *ReceivedMessage
matchedTopics := fs.topicMatcher.take()
defer fs.topicMatcher.resolve(matchedTopics)
fs.mutex.RLock()
defer fs.mutex.RUnlock()
i := -1 // only used for logging info
for _, watcher := range fs.watchers {
i++
fs.topicMatcher.matchedTopics(env.Topic, &matchedTopics)
for _, watcherID := range matchedTopics {
watcher, ok := fs.watchers[watcherID]
if !ok {
log.Trace(fmt.Sprintf("msg [%x], filter [%s]: filter not exists", env.Hash(), watcherID))
continue
}
if p2pMessage && !watcher.AllowP2P {
log.Trace(fmt.Sprintf("msg [%x], filter [%d]: p2p messages are not allowed", env.Hash(), i))
log.Trace(fmt.Sprintf("msg [%x], filter [%s]: p2p messages are not allowed", env.Hash(), watcherID))
continue
}
@ -115,10 +132,10 @@ func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) {
if match {
msg = env.Open(watcher)
if msg == nil {
log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", i)
log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", watcherID)
}
} else {
log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", i)
log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", watcherID)
}
}
@ -181,9 +198,9 @@ func (f *Filter) MatchMessage(msg *ReceivedMessage) bool {
}
if f.expectsAsymmetricEncryption() && msg.isAsymmetricEncryption() {
return IsPubKeyEqual(&f.KeyAsym.PublicKey, msg.Dst) && f.MatchTopic(msg.Topic)
return IsPubKeyEqual(&f.KeyAsym.PublicKey, msg.Dst)
} else if f.expectsSymmetricEncryption() && msg.isSymmetricEncryption() {
return f.SymKeyHash == msg.SymKeyHash && f.MatchTopic(msg.Topic)
return f.SymKeyHash == msg.SymKeyHash
}
return false
}
@ -194,44 +211,13 @@ func (f *Filter) MatchEnvelope(envelope *Envelope) bool {
}
if f.expectsAsymmetricEncryption() && envelope.isAsymmetric() {
return f.MatchTopic(envelope.Topic)
return true
} else if f.expectsSymmetricEncryption() && envelope.IsSymmetric() {
return f.MatchTopic(envelope.Topic)
}
return false
}
func (f *Filter) MatchTopic(topic TopicType) bool {
if len(f.Topics) == 0 {
// any topic matches
return true
}
for _, bt := range f.Topics {
if matchSingleTopic(topic, bt) {
return true
}
}
return false
}
func matchSingleTopic(topic TopicType, bt []byte) bool {
if len(bt) > TopicLength {
bt = bt[:TopicLength]
}
if len(bt) < TopicLength {
return false
}
for j, b := range bt {
if topic[j] != b {
return false
}
}
return true
}
func IsPubKeyEqual(a, b *ecdsa.PublicKey) bool {
if !ValidatePublicKey(a) {
return false
@ -241,3 +227,91 @@ func IsPubKeyEqual(a, b *ecdsa.PublicKey) bool {
// the curve is always the same, just compare the points
return a.X.Cmp(b.X) == 0 && a.Y.Cmp(b.Y) == 0
}
//topicMatcher keeps topic->watcher mapping
type topicMatcher struct {
//structure - map[topic]map[filterID]
//mapping for topics
//"" topic means that the filter allows all topic values
mapper map[string]map[string]struct{}
mx sync.RWMutex
pool sync.Pool
}
//newTopicMatcher returns a newly created topic matcher
func newTopicMatcher() *topicMatcher {
tm := new(topicMatcher)
tm.mapper = make(map[string]map[string]struct{})
tm.mapper[ALL_TOPICS] = make(map[string]struct{})
tm.pool.New = func() interface{} {
return []string{}
}
return tm
}
//take returns []string from pool
func (fs *topicMatcher) take() []string {
return fs.pool.Get().([]string)
}
//resolve put []string to pool
func (fs *topicMatcher) resolve(s []string) {
if cap(s) > MAX_POOL_CAPACITY {
return
}
fs.pool.Put(s[:0])
}
//addFilterToTopicsMapping fill topic->watcher mapping for current watcher
func (fs *topicMatcher) addFilterToTopicsMapping(watcher *Filter, id string) {
fs.mx.Lock()
defer fs.mx.Unlock()
for i := range fs.prepareTopicsMapping(watcher) {
topicMapping, ok := fs.mapper[i]
if !ok {
fs.mapper[i] = make(map[string]struct{})
topicMapping = fs.mapper[i]
}
topicMapping[id] = struct{}{}
}
}
//removeTopicFromTopicMapping removes mapping info by filterID
func (fs *topicMatcher) removeTopicFromTopicMapping(id string) {
fs.mx.Lock()
defer fs.mx.Unlock()
for i := range fs.mapper {
delete(fs.mapper[i], id)
}
}
//prepareTopicsMapping returns set of topics for watcher
func (fs *topicMatcher) prepareTopicsMapping(watcher *Filter) map[string]struct{} {
topics := make(map[string]struct{}, len(watcher.Topics))
if len(watcher.Topics) == 0 {
topics[ALL_TOPICS] = struct{}{}
return topics
}
for _, topic := range watcher.Topics {
topics[common.ToHex(topic)] = struct{}{}
}
return topics
}
//matchedTopics write all matched topics to matched
func (fs *topicMatcher) matchedTopics(topic TopicType, matched *[]string) {
fs.mx.RLock()
defer fs.mx.RUnlock()
for i := range fs.mapper[ALL_TOPICS] {
*matched = append(*matched, i)
}
for i := range fs.mapper[topic.String()] {
*matched = append(*matched, i)
}
}

View file

@ -22,6 +22,7 @@ import (
"testing"
"time"
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
@ -48,7 +49,7 @@ type FilterTestCase struct {
msgCnt int
}
func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
func generateFilter(symmetric bool) (*Filter, error) {
var f Filter
f.Messages = make(map[common.Hash]*ReceivedMessage)
@ -62,8 +63,8 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("generateFilter 1 failed with seed %d.", seed)
return nil, err
return nil, fmt.Errorf("generateFilter 1 failed with seed %d. Error: %s", seed, err.Error())
}
f.Src = &key.PublicKey
@ -74,8 +75,7 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
} else {
f.KeyAsym, err = crypto.GenerateKey()
if err != nil {
t.Fatalf("generateFilter 2 failed with seed %d.", seed)
return nil, err
return nil, fmt.Errorf("generateFilter 2 failed with seed %d. Error: %s", seed, err.Error())
}
}
@ -83,10 +83,21 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
return &f, nil
}
func generateFilters() *Filters {
fs := Filters{
watchers: make(map[string]*Filter),
topicMatcher: newTopicMatcher(),
}
return &fs
}
func generateTestCases(t *testing.T, SizeTestFilters int) []FilterTestCase {
cases := make([]FilterTestCase, SizeTestFilters)
for i := 0; i < SizeTestFilters; i++ {
f, _ := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
cases[i].f = f
cases[i].alive = mrand.Int()&int(1) == 0
}
@ -137,8 +148,10 @@ func TestInstallSymKeyGeneratesHash(t *testing.T) {
w := New(&Config{})
filters := NewFilters(w)
filter, _ := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
// save the current SymKeyHash for comparison
initialSymKeyHash := filter.SymKeyHash
@ -146,7 +159,7 @@ func TestInstallSymKeyGeneratesHash(t *testing.T) {
var invalid common.Hash
filter.SymKeyHash = invalid
_, err := filters.Install(filter)
_, err = filters.Install(filter)
if err != nil {
t.Fatalf("Error installing the filter: %s", err)
@ -164,8 +177,10 @@ func TestInstallIdenticalFilters(t *testing.T) {
w := New(&Config{})
filters := NewFilters(w)
filter1, _ := generateFilter(t, true)
filter1, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
// Copy the first filter since some of its fields
// are randomly gnerated.
filter2 := &Filter{
@ -176,7 +191,7 @@ func TestInstallIdenticalFilters(t *testing.T) {
Messages: make(map[common.Hash]*ReceivedMessage),
}
_, err := filters.Install(filter1)
_, err = filters.Install(filter1)
if err != nil {
t.Fatalf("Error installing the first filter with seed %d: %s", seed, err)
@ -258,12 +273,12 @@ func TestComparePubKey(t *testing.T) {
func TestMatchEnvelope(t *testing.T) {
InitSingleTest()
fsym, err := generateFilter(t, true)
fsym, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fasym, err := generateFilter(t, false)
fasym, err := generateFilter(false)
if err != nil {
t.Fatalf("failed generateFilter() with seed %d: %s.", seed, err)
}
@ -284,19 +299,7 @@ func TestMatchEnvelope(t *testing.T) {
if err != nil {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
match := fsym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope symmetric with seed %d.", seed)
}
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope asymmetric with seed %d.", seed)
}
// encrypt symmetrically
i := mrand.Int() % 4
fsym.Topics[i] = params.Topic[:]
fasym.Topics[i] = params.Topic[:]
msg, err = NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
@ -306,41 +309,20 @@ func TestMatchEnvelope(t *testing.T) {
t.Fatalf("failed Wrap() with seed %d: %s.", seed, err)
}
// symmetric + matching topic: match
match = fsym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope() symmetric with seed %d.", seed)
}
// asymmetric + matching topic: mismatch
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope() asymmetric with seed %d.", seed)
}
// symmetric + matching topic + insufficient PoW: mismatch
// symmetric + insufficient PoW: mismatch
fsym.PoW = env.PoW() + 1.0
match = fsym.MatchEnvelope(env)
match := fsym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(symmetric + matching topic + insufficient PoW) asymmetric with seed %d.", seed)
}
// symmetric + matching topic + sufficient PoW: match
// symmetric + sufficient PoW: match
fsym.PoW = env.PoW() / 2
match = fsym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(symmetric + matching topic + sufficient PoW) with seed %d.", seed)
}
// symmetric + topics are nil (wildcard): match
prevTopics := fsym.Topics
fsym.Topics = nil
match = fsym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(symmetric + topics are nil) with seed %d.", seed)
}
fsym.Topics = prevTopics
// encrypt asymmetrically
key, err := crypto.GenerateKey()
if err != nil {
@ -363,26 +345,6 @@ func TestMatchEnvelope(t *testing.T) {
t.Fatalf("failed MatchEnvelope(encryption method mismatch) with seed %d.", seed)
}
// asymmetric + mismatching topic: mismatch
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(asymmetric + mismatching topic) with seed %d.", seed)
}
// asymmetric + matching topic: match
fasym.Topics[i] = fasym.Topics[i+1]
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(asymmetric + matching topic) with seed %d.", seed)
}
// asymmetric + filter without topic (wildcard): match
fasym.Topics = nil
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(asymmetric + filter without topic) with seed %d.", seed)
}
// asymmetric + insufficient PoW: mismatch
fasym.PoW = env.PoW() + 1.0
match = fasym.MatchEnvelope(env)
@ -397,19 +359,6 @@ func TestMatchEnvelope(t *testing.T) {
t.Fatalf("failed MatchEnvelope(asymmetric + sufficient PoW) with seed %d.", seed)
}
// filter without topic + envelope without topic: match
env.Topic = TopicType{}
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed)
}
// filter with topic + envelope without topic: mismatch
fasym.Topics = fsym.Topics
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed)
}
}
func TestMatchMessageSym(t *testing.T) {
@ -420,7 +369,7 @@ func TestMatchMessageSym(t *testing.T) {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
@ -461,13 +410,6 @@ func TestMatchMessageSym(t *testing.T) {
t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed)
}
// topic mismatch
f.Topics[index][0]++
if f.MatchMessage(msg) {
t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed)
}
f.Topics[index][0]--
// key mismatch
f.SymKeyHash[0]++
if f.MatchMessage(msg) {
@ -506,7 +448,7 @@ func TestMatchMessageSym(t *testing.T) {
func TestMatchMessageAsym(t *testing.T) {
InitSingleTest()
f, err := generateFilter(t, false)
f, err := generateFilter(false)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
@ -554,13 +496,6 @@ func TestMatchMessageAsym(t *testing.T) {
t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed)
}
// topic mismatch
f.Topics[index][0]++
if f.MatchMessage(msg) {
t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed)
}
f.Topics[index][0]--
// key mismatch
prev := *f.KeyAsym.PublicKey.X
zero := *big.NewInt(0)
@ -791,58 +726,216 @@ func TestVariableTopics(t *testing.T) {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 4; i++ {
env.Topic = BytesToTopic(f.Topics[i])
//test match
matched := []string{}
fs.topicMatcher.matchedTopics(env.Topic, &matched)
match = f.MatchEnvelope(env)
if !match {
if !(match && hasFilterID(matched, filterID)) {
t.Fatalf("failed MatchEnvelope symmetric with seed %d, step %d.", seed, i)
}
f.Topics[i][lastTopicByte]++
//change envelop topic
env.Topic[lastTopicByte]++
//false positive test
match = f.MatchEnvelope(env)
if match {
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if match && hasFilterID(matched, filterID) {
t.Fatalf("MatchEnvelope symmetric with seed %d, step %d: false positive.", seed, i)
}
}
}
func TestMatchSingleTopic_ReturnTrue(t *testing.T) {
bt := []byte("test")
topic := BytesToTopic(bt)
func TestTopicsMapping(t *testing.T) {
InitSingleTest()
if !matchSingleTopic(topic, bt) {
t.FailNow()
const lastTopicByte = 3
params, err := generateMessageParams()
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
msg, err := NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
env, err := msg.Wrap(params)
if err != nil {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
for i := 0; i < len(f.Topics); i++ {
env.Topic = BytesToTopic(f.Topics[i])
//test match
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
matched := []string{}
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if !hasFilterID(matched, filterID) {
t.Fatalf("failed matchedTopics, step %d.", i)
}
//test match without filter
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatalf("failed match without filter, step %d.", i)
}
//test match with changed topic
f.Topics[i][lastTopicByte]++
filterID, err = fs.Install(f)
if err != nil {
t.Fatal(err)
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatalf("failed match with changed topic, step %d.", i)
}
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
}
}
func TestMatchSingleTopic_WithTail_ReturnTrue(t *testing.T) {
bt := []byte("test with tail")
topic := BytesToTopic([]byte("test"))
func TestTopicsMapping_MatchAllTopics_Success(t *testing.T) {
InitSingleTest()
if !matchSingleTopic(topic, bt) {
t.FailNow()
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
f.Topics = [][]byte{}
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
//generate topic
topic := TopicType{}
mrand.Read(topic[:])
matched := []string{}
fs.topicMatcher.matchedTopics(topic, &matched)
if !hasFilterID(matched, filterID) {
t.Fatal("failed matchedTopics")
}
if _, ok := fs.topicMatcher.mapper[ALL_TOPICS][filterID]; !ok {
t.Fatal("watcher mapping incorrect")
}
//test match without filter
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatal("failed match without filter")
}
if _, ok := fs.topicMatcher.mapper[ALL_TOPICS][filterID]; ok {
t.Fatal("watcher mapping incorrect")
}
}
func TestMatchSingleTopic_NotEquals_ReturnFalse(t *testing.T) {
bt := []byte("tes")
topic := BytesToTopic(bt)
if matchSingleTopic(topic, bt) {
t.FailNow()
func hasFilterID(matched []string, filterID string) bool {
for i := range matched {
if matched[i] == filterID {
return true
}
}
return false
}
func TestMatchSingleTopic_InsufficientLength_ReturnFalse(t *testing.T) {
bt := []byte("test")
topic := BytesToTopic([]byte("not_equal"))
func BenchmarkFilter_MatchEnvelope_5Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 5)
}
func BenchmarkFilter_MatchEnvelope_10Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 10)
}
func BenchmarkFilter_MatchEnvelope_20Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 20)
}
func BenchmarkFilter_MatchEnvelope_50Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 50)
}
func BenchmarkFilter_MatchEnvelope_100Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 100)
}
if matchSingleTopic(topic, bt) {
t.FailNow()
func benchFilter_MatchMessage(b *testing.B, numOfFilters int) {
params, err := generateMessageParams()
if err != nil {
b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
msg, err := NewSentMessage(params)
if err != nil {
b.Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
env, err := msg.Wrap(params)
if err != nil {
b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
fs := generateFilters()
for i := 0; i < numOfFilters; i++ {
f, err := generateFilter(true)
if err != nil {
b.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
_, err = fs.Install(f)
if err != nil {
b.Fatalf("failed install filter with seed %d: %s.", seed, err)
}
}
var topic TopicType
b.ResetTimer()
for i := 0; i < b.N; i++ {
mrand.Read(topic[:])
env.Topic = topic
fs.NotifyWatchers(env, false)
}
}

View file

@ -542,7 +542,7 @@ func TestCustomization(t *testing.T) {
const smallPoW = 0.00001
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -636,7 +636,7 @@ func TestSymmetricSendCycle(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter1, err := generateFilter(t, true)
filter1, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -725,7 +725,7 @@ func TestSymmetricSendWithoutAKey(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter, err := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -793,7 +793,7 @@ func TestSymmetricSendKeyMismatch(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter, err := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}

View file

@ -26,6 +26,11 @@ import (
"github.com/ethereum/go-ethereum/log"
)
const (
ALL_TOPICS = ""
MAX_POOL_CAPACITY = 1000
)
// Filter represents a Whisper message filter
type Filter struct {
Src *ecdsa.PublicKey // Sender of the message
@ -42,16 +47,18 @@ type Filter struct {
// Filters represents a collection of filters
type Filters struct {
watchers map[string]*Filter
whisper *Whisper
mutex sync.RWMutex
watchers map[string]*Filter
whisper *Whisper
mutex sync.RWMutex
topicMatcher *topicMatcher
}
// NewFilters returns a newly created filter collection
func NewFilters(w *Whisper) *Filters {
return &Filters{
watchers: make(map[string]*Filter),
whisper: w,
watchers: make(map[string]*Filter),
whisper: w,
topicMatcher: newTopicMatcher(),
}
}
@ -82,6 +89,8 @@ func (fs *Filters) Install(watcher *Filter) (string, error) {
}
fs.watchers[id] = watcher
//add topic matching for watcher
fs.topicMatcher.addFilterToTopicsMapping(watcher, id)
return id, err
}
@ -92,6 +101,7 @@ func (fs *Filters) Uninstall(id string) bool {
defer fs.mutex.Unlock()
if fs.watchers[id] != nil {
delete(fs.watchers, id)
fs.topicMatcher.removeTopicFromTopicMapping(id)
return true
}
return false
@ -108,15 +118,22 @@ func (fs *Filters) Get(id string) *Filter {
// for the envelope's topic.
func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) {
var msg *ReceivedMessage
matchedTopics := fs.topicMatcher.take()
defer fs.topicMatcher.resolve(matchedTopics)
fs.mutex.RLock()
defer fs.mutex.RUnlock()
i := -1 // only used for logging info
for _, watcher := range fs.watchers {
i++
fs.topicMatcher.matchedTopics(env.Topic, &matchedTopics)
for _, watcherID := range matchedTopics {
watcher, ok := fs.watchers[watcherID]
if !ok {
log.Trace(fmt.Sprintf("msg [%x], filter [%s]: filter not exists", env.Hash(), watcherID))
continue
}
if p2pMessage && !watcher.AllowP2P {
log.Trace(fmt.Sprintf("msg [%x], filter [%d]: p2p messages are not allowed", env.Hash(), i))
log.Trace(fmt.Sprintf("msg [%x], filter [%s]: p2p messages are not allowed", env.Hash(), watcherID))
continue
}
@ -128,10 +145,10 @@ func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) {
if match {
msg = env.Open(watcher)
if msg == nil {
log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", i)
log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", watcherID)
}
} else {
log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", i)
log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", watcherID)
}
}
@ -201,9 +218,9 @@ func (f *Filter) MatchMessage(msg *ReceivedMessage) bool {
}
if f.expectsAsymmetricEncryption() && msg.isAsymmetricEncryption() {
return IsPubKeyEqual(&f.KeyAsym.PublicKey, msg.Dst) && f.MatchTopic(msg.Topic)
return IsPubKeyEqual(&f.KeyAsym.PublicKey, msg.Dst)
} else if f.expectsSymmetricEncryption() && msg.isSymmetricEncryption() {
return f.SymKeyHash == msg.SymKeyHash && f.MatchTopic(msg.Topic)
return f.SymKeyHash == msg.SymKeyHash
}
return false
}
@ -216,38 +233,6 @@ func (f *Filter) MatchEnvelope(envelope *Envelope) bool {
return false
}
return f.MatchTopic(envelope.Topic)
}
// MatchTopic checks that the filter captures a given topic.
func (f *Filter) MatchTopic(topic TopicType) bool {
if len(f.Topics) == 0 {
// any topic matches
return true
}
for _, bt := range f.Topics {
if matchSingleTopic(topic, bt) {
return true
}
}
return false
}
func matchSingleTopic(topic TopicType, bt []byte) bool {
if len(bt) > TopicLength {
bt = bt[:TopicLength]
}
if len(bt) < TopicLength {
return false
}
for j, b := range bt {
if topic[j] != b {
return false
}
}
return true
}
@ -261,3 +246,91 @@ func IsPubKeyEqual(a, b *ecdsa.PublicKey) bool {
// the curve is always the same, just compare the points
return a.X.Cmp(b.X) == 0 && a.Y.Cmp(b.Y) == 0
}
//topicMatcher keeps topic->watcher mapping
type topicMatcher struct {
//structure - map[topic]map[filterID]
//mapping for topics
//"" topic means that the filter allows all topic values
mapper map[string]map[string]struct{}
mx sync.RWMutex
pool sync.Pool
}
//newTopicMatcher returns a newly created topic matcher
func newTopicMatcher() *topicMatcher {
tm := new(topicMatcher)
tm.mapper = make(map[string]map[string]struct{})
tm.mapper[ALL_TOPICS] = make(map[string]struct{})
tm.pool.New = func() interface{} {
return []string{}
}
return tm
}
//take returns []string from pool
func (fs *topicMatcher) take() []string {
return fs.pool.Get().([]string)
}
//resolve put []string to pool
func (fs *topicMatcher) resolve(s []string) {
if cap(s) > MAX_POOL_CAPACITY {
return
}
fs.pool.Put(s[:0])
}
//addFilterToTopicsMapping fill topic->watcher mapping for current watcher
func (fs *topicMatcher) addFilterToTopicsMapping(watcher *Filter, id string) {
fs.mx.Lock()
defer fs.mx.Unlock()
for i := range fs.prepareTopicsMapping(watcher) {
topicMapping, ok := fs.mapper[i]
if !ok {
fs.mapper[i] = make(map[string]struct{})
topicMapping = fs.mapper[i]
}
topicMapping[id] = struct{}{}
}
}
//removeTopicFromTopicMapping removes mapping info by filterID
func (fs *topicMatcher) removeTopicFromTopicMapping(filterID string) {
fs.mx.Lock()
defer fs.mx.Unlock()
for i := range fs.mapper {
delete(fs.mapper[i], filterID)
}
}
//prepareTopicsMapping returns set of topics for watcher
func (fs *topicMatcher) prepareTopicsMapping(watcher *Filter) map[string]struct{} {
topics := make(map[string]struct{}, len(watcher.Topics))
if len(watcher.Topics) == 0 {
topics[ALL_TOPICS] = struct{}{}
return topics
}
for _, topic := range watcher.Topics {
topics[common.ToHex(topic)] = struct{}{}
}
return topics
}
//matchedTopics write all matched topics to matched
func (fs *topicMatcher) matchedTopics(topic TopicType, matched *[]string) {
fs.mx.RLock()
defer fs.mx.RUnlock()
for i := range fs.mapper[ALL_TOPICS] {
*matched = append(*matched, i)
}
for i := range fs.mapper[topic.String()] {
*matched = append(*matched, i)
}
}

View file

@ -22,6 +22,7 @@ import (
"testing"
"time"
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
@ -48,7 +49,7 @@ type FilterTestCase struct {
msgCnt int
}
func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
func generateFilter(symmetric bool) (*Filter, error) {
var f Filter
f.Messages = make(map[common.Hash]*ReceivedMessage)
@ -62,8 +63,7 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("generateFilter 1 failed with seed %d.", seed)
return nil, err
return nil, fmt.Errorf("generateFilter 1 failed with seed %d. Error: %s", seed, err.Error())
}
f.Src = &key.PublicKey
@ -74,8 +74,7 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
} else {
f.KeyAsym, err = crypto.GenerateKey()
if err != nil {
t.Fatalf("generateFilter 2 failed with seed %d.", seed)
return nil, err
return nil, fmt.Errorf("generateFilter 2 failed with seed %d. Error: %s", seed, err.Error())
}
}
@ -83,10 +82,21 @@ func generateFilter(t *testing.T, symmetric bool) (*Filter, error) {
return &f, nil
}
func generateFilters() *Filters {
fs := Filters{
watchers: make(map[string]*Filter),
topicMatcher: newTopicMatcher(),
}
return &fs
}
func generateTestCases(t *testing.T, SizeTestFilters int) []FilterTestCase {
cases := make([]FilterTestCase, SizeTestFilters)
for i := 0; i < SizeTestFilters; i++ {
f, _ := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
cases[i].f = f
cases[i].alive = mrand.Int()&int(1) == 0
}
@ -137,8 +147,10 @@ func TestInstallSymKeyGeneratesHash(t *testing.T) {
w := New(&Config{})
filters := NewFilters(w)
filter, _ := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
// save the current SymKeyHash for comparison
initialSymKeyHash := filter.SymKeyHash
@ -146,7 +158,7 @@ func TestInstallSymKeyGeneratesHash(t *testing.T) {
var invalid common.Hash
filter.SymKeyHash = invalid
_, err := filters.Install(filter)
_, err = filters.Install(filter)
if err != nil {
t.Fatalf("Error installing the filter: %s", err)
@ -164,7 +176,10 @@ func TestInstallIdenticalFilters(t *testing.T) {
w := New(&Config{})
filters := NewFilters(w)
filter1, _ := generateFilter(t, true)
filter1, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
// Copy the first filter since some of its fields
// are randomly gnerated.
@ -176,7 +191,7 @@ func TestInstallIdenticalFilters(t *testing.T) {
Messages: make(map[common.Hash]*ReceivedMessage),
}
_, err := filters.Install(filter1)
_, err = filters.Install(filter1)
if err != nil {
t.Fatalf("Error installing the first filter with seed %d: %s", seed, err)
@ -234,7 +249,10 @@ func TestInstallFilterWithSymAndAsymKeys(t *testing.T) {
w := New(&Config{})
filters := NewFilters(w)
filter1, _ := generateFilter(t, true)
filter1, err := generateFilter(true)
if err != nil {
t.Fatal(err)
}
asymKey, err := crypto.GenerateKey()
if err != nil {
@ -288,12 +306,12 @@ func TestComparePubKey(t *testing.T) {
func TestMatchEnvelope(t *testing.T) {
InitSingleTest()
fsym, err := generateFilter(t, true)
fsym, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fasym, err := generateFilter(t, false)
fasym, err := generateFilter(false)
if err != nil {
t.Fatalf("failed generateFilter() with seed %d: %s.", seed, err)
}
@ -314,19 +332,8 @@ func TestMatchEnvelope(t *testing.T) {
if err != nil {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
match := fsym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope symmetric with seed %d.", seed)
}
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope asymmetric with seed %d.", seed)
}
// encrypt symmetrically
i := mrand.Int() % 4
fsym.Topics[i] = params.Topic[:]
fasym.Topics[i] = params.Topic[:]
msg, err = NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
@ -336,20 +343,20 @@ func TestMatchEnvelope(t *testing.T) {
t.Fatalf("failed Wrap() with seed %d: %s.", seed, err)
}
// symmetric + matching topic: match
match = fsym.MatchEnvelope(env)
// symmetric
match := fsym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope() symmetric with seed %d.", seed)
}
// symmetric + matching topic + insufficient PoW: mismatch
// symmetric + insufficient PoW: mismatch
fsym.PoW = env.PoW() + 1.0
match = fsym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(symmetric + matching topic + insufficient PoW) asymmetric with seed %d.", seed)
}
// symmetric + matching topic + sufficient PoW: match
// symmetric + sufficient PoW: match
fsym.PoW = env.PoW() / 2
match = fsym.MatchEnvelope(env)
if !match {
@ -387,26 +394,6 @@ func TestMatchEnvelope(t *testing.T) {
t.Fatalf("failed MatchEnvelope(encryption method mismatch) with seed %d.", seed)
}
// asymmetric + mismatching topic: mismatch
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(asymmetric + mismatching topic) with seed %d.", seed)
}
// asymmetric + matching topic: match
fasym.Topics[i] = fasym.Topics[i+1]
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(asymmetric + matching topic) with seed %d.", seed)
}
// asymmetric + filter without topic (wildcard): match
fasym.Topics = nil
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(asymmetric + filter without topic) with seed %d.", seed)
}
// asymmetric + insufficient PoW: mismatch
fasym.PoW = env.PoW() + 1.0
match = fasym.MatchEnvelope(env)
@ -420,20 +407,6 @@ func TestMatchEnvelope(t *testing.T) {
if !match {
t.Fatalf("failed MatchEnvelope(asymmetric + sufficient PoW) with seed %d.", seed)
}
// filter without topic + envelope without topic: match
env.Topic = TopicType{}
match = fasym.MatchEnvelope(env)
if !match {
t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed)
}
// filter with topic + envelope without topic: mismatch
fasym.Topics = fsym.Topics
match = fasym.MatchEnvelope(env)
if match {
t.Fatalf("failed MatchEnvelope(filter without topic + envelope without topic) with seed %d.", seed)
}
}
func TestMatchMessageSym(t *testing.T) {
@ -444,7 +417,7 @@ func TestMatchMessageSym(t *testing.T) {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
@ -485,13 +458,6 @@ func TestMatchMessageSym(t *testing.T) {
t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed)
}
// topic mismatch
f.Topics[index][0]++
if f.MatchMessage(msg) {
t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed)
}
f.Topics[index][0]--
// key mismatch
f.SymKeyHash[0]++
if f.MatchMessage(msg) {
@ -530,7 +496,7 @@ func TestMatchMessageSym(t *testing.T) {
func TestMatchMessageAsym(t *testing.T) {
InitSingleTest()
f, err := generateFilter(t, false)
f, err := generateFilter(false)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
@ -578,13 +544,6 @@ func TestMatchMessageAsym(t *testing.T) {
t.Fatalf("failed MatchEnvelope(sufficient PoW) with seed %d.", seed)
}
// topic mismatch
f.Topics[index][0]++
if f.MatchMessage(msg) {
t.Fatalf("failed MatchEnvelope(topic mismatch) with seed %d.", seed)
}
f.Topics[index][0]--
// key mismatch
prev := *f.KeyAsym.PublicKey.X
zero := *big.NewInt(0)
@ -815,58 +774,215 @@ func TestVariableTopics(t *testing.T) {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 4; i++ {
env.Topic = BytesToTopic(f.Topics[i])
//test match
matched := []string{}
fs.topicMatcher.matchedTopics(env.Topic, &matched)
match = f.MatchEnvelope(env)
if !match {
if !(match && hasFilterID(matched, filterID)) {
t.Fatalf("failed MatchEnvelope symmetric with seed %d, step %d.", seed, i)
}
f.Topics[i][lastTopicByte]++
//change envelop topic
env.Topic[lastTopicByte]++
//false positive test
match = f.MatchEnvelope(env)
if match {
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if match && hasFilterID(matched, filterID) {
t.Fatalf("MatchEnvelope symmetric with seed %d, step %d: false positive.", seed, i)
}
}
}
func TestMatchSingleTopic_ReturnTrue(t *testing.T) {
bt := []byte("test")
topic := BytesToTopic(bt)
func TestTopicsMapping(t *testing.T) {
InitSingleTest()
if !matchSingleTopic(topic, bt) {
t.FailNow()
const lastTopicByte = 3
params, err := generateMessageParams()
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
msg, err := NewSentMessage(params)
if err != nil {
t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
env, err := msg.Wrap(params)
if err != nil {
t.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
for i := 0; i < len(f.Topics); i++ {
env.Topic = BytesToTopic(f.Topics[i])
//test match
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
matched := []string{}
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if !hasFilterID(matched, filterID) {
t.Fatalf("failed matchedTopics, step %d.", i)
}
//test match without filter
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatalf("failed match without filter, step %d.", i)
}
//test match with changed topic
f.Topics[i][lastTopicByte]++
filterID, err = fs.Install(f)
if err != nil {
t.Fatal(err)
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(env.Topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatalf("failed match with changed topic, step %d.", i)
}
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
}
}
func TestMatchSingleTopic_WithTail_ReturnTrue(t *testing.T) {
bt := []byte("test with tail")
topic := BytesToTopic([]byte("test"))
func TestTopicsMapping_MatchAllTopics_Success(t *testing.T) {
InitSingleTest()
if !matchSingleTopic(topic, bt) {
t.FailNow()
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
fs := generateFilters()
f.Topics = [][]byte{}
filterID, err := fs.Install(f)
if err != nil {
t.Fatal(err)
}
//generate topic
topic := TopicType{}
mrand.Read(topic[:])
matched := []string{}
fs.topicMatcher.matchedTopics(topic, &matched)
if !hasFilterID(matched, filterID) {
t.Fatal("failed matchedTopics")
}
if _, ok := fs.topicMatcher.mapper[ALL_TOPICS][filterID]; !ok {
t.Fatal("watcher mapping incorrect")
}
//test match without filter
if !fs.Uninstall(filterID) {
t.Fatal("Failed to uninstall filter")
}
matched = matched[:0]
fs.topicMatcher.matchedTopics(topic, &matched)
if hasFilterID(matched, filterID) {
t.Fatal("failed match without filter")
}
if _, ok := fs.topicMatcher.mapper[ALL_TOPICS][filterID]; ok {
t.Fatal("watcher mapping incorrect")
}
}
func TestMatchSingleTopic_NotEquals_ReturnFalse(t *testing.T) {
bt := []byte("tes")
topic := BytesToTopic(bt)
if matchSingleTopic(topic, bt) {
t.FailNow()
func hasFilterID(matched []string, filterID string) bool {
for i := range matched {
if matched[i] == filterID {
return true
}
}
return false
}
func TestMatchSingleTopic_InsufficientLength_ReturnFalse(t *testing.T) {
bt := []byte("test")
topic := BytesToTopic([]byte("not_equal"))
func BenchmarkFilter_MatchEnvelope_5Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 5)
}
func BenchmarkFilter_MatchEnvelope_10Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 10)
}
func BenchmarkFilter_MatchEnvelope_20Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 20)
}
func BenchmarkFilter_MatchEnvelope_50Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 50)
}
func BenchmarkFilter_MatchEnvelope_100Filters(b *testing.B) {
InitSingleTest()
benchFilter_MatchMessage(b, 100)
}
if matchSingleTopic(topic, bt) {
t.FailNow()
func benchFilter_MatchMessage(b *testing.B, numOfFilters int) {
params, err := generateMessageParams()
if err != nil {
b.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
msg, err := NewSentMessage(params)
if err != nil {
b.Fatalf("failed to create new message with seed %d: %s.", seed, err)
}
env, err := msg.Wrap(params)
if err != nil {
b.Fatalf("failed Wrap with seed %d: %s.", seed, err)
}
fs := generateFilters()
for i := 0; i < numOfFilters; i++ {
f, err := generateFilter(true)
if err != nil {
b.Fatalf("failed generateFilter with seed %d: %s.", seed, err)
}
_, err = fs.Install(f)
if err != nil {
b.Fatalf("failed install filter with seed %d: %s.", seed, err)
}
}
var topic TopicType
b.ResetTimer()
for i := 0; i < b.N; i++ {
mrand.Read(topic[:])
env.Topic = topic
fs.NotifyWatchers(env, false)
}
}

View file

@ -524,7 +524,7 @@ func TestCustomization(t *testing.T) {
const smallPoW = 0.00001
f, err := generateFilter(t, true)
f, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -618,7 +618,7 @@ func TestSymmetricSendCycle(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter1, err := generateFilter(t, true)
filter1, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -707,7 +707,7 @@ func TestSymmetricSendWithoutAKey(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter, err := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}
@ -775,7 +775,7 @@ func TestSymmetricSendKeyMismatch(t *testing.T) {
w.Start(nil)
defer w.Stop()
filter, err := generateFilter(t, true)
filter, err := generateFilter(true)
if err != nil {
t.Fatalf("failed generateMessageParams with seed %d: %s.", seed, err)
}