whisper/shhapi, whisper/whisperv5: refactoring (#3364)

* Filter refactoring
* API tests added + bugfix
* fixed the error logs
* FilterID fixed
* test cases fixed
* key generation updated
* POW updated
* got rid of redundant stuff

whisper/whisperv5/peer_test.go

@@ -79,7 +79,7 @@ type TestNode struct {
 	shh     *Whisper
 	id      *ecdsa.PrivateKey
 	server  *p2p.Server
-	filerId int
+	filerId uint32
 }
 
 var result TestData
@@ -94,19 +94,19 @@ var expectedMessage []byte = []byte("per rectum ad astra")
 // 3. each node sends a number of random (undecryptable) messages,
 // 4. first node sends one expected (decryptable) message,
 // 5. checks if each node have received and decrypted exactly one message.
-func TestSimulation(x *testing.T) {
-	initialize(x)
+func TestSimulation(t *testing.T) {
+	initialize(t)
 
 	for i := 0; i < NumNodes; i++ {
-		sendMsg(x, false, i)
+		sendMsg(t, false, i)
 	}
 
-	sendMsg(x, true, 0)
-	checkPropagation(x)
+	sendMsg(t, true, 0)
+	checkPropagation(t)
 	stopServers()
 }
 
-func initialize(x *testing.T) {
+func initialize(t *testing.T) {
 	//glog.SetV(6)
 	//glog.SetToStderr(true)
 
@@ -118,14 +118,13 @@ func initialize(x *testing.T) {
 		var node TestNode
 		node.shh = NewWhisper(nil)
 		node.shh.test = true
-		tt := make([]TopicType, 0)
-		tt = append(tt, sharedTopic)
-		f := Filter{KeySym: sharedKey, Topics: tt}
+		topics := make([]TopicType, 0)
+		topics = append(topics, sharedTopic)
+		f := Filter{KeySym: sharedKey, Topics: topics}
 		node.filerId = node.shh.Watch(&f)
 		node.id, err = crypto.HexToECDSA(keys[i])
 		if err != nil {
-			x.Errorf("failed convert the key: %s.", keys[i])
-			return
+			t.Fatalf("failed convert the key: %s.", keys[i])
 		}
 		port := port0 + i
 		addr := fmt.Sprintf(":%d", port) // e.g. ":30303"
@@ -155,8 +154,7 @@ func initialize(x *testing.T) {
 
 		err = node.server.Start()
 		if err != nil {
-			x.Errorf("failed to start server %d.", i)
-			return
+			t.Fatalf("failed to start server %d.", i)
 		}
 
 		nodes[i] = &node
@@ -173,8 +171,8 @@ func stopServers() {
 	}
 }
 
-func checkPropagation(x *testing.T) {
-	if x.Failed() {
+func checkPropagation(t *testing.T) {
+	if t.Failed() {
 		return
 	}
 
@@ -187,26 +185,24 @@ func checkPropagation(x *testing.T) {
 		for i := 0; i < NumNodes; i++ {
 			f := nodes[i].shh.GetFilter(nodes[i].filerId)
 			if f == nil {
-				x.Errorf("failed to get filterId %d from node %d.", nodes[i].filerId, i)
-				return
+				t.Fatalf("failed to get filterId %d from node %d.", nodes[i].filerId, i)
 			}
 
 			mail := f.Retrieve()
-			if !validateMail(x, i, mail) {
+			if !validateMail(t, i, mail) {
 				return
 			}
 
 			if isTestComplete() {
-
 				return
 			}
 		}
 	}
 
-	x.Errorf("Test was not complete: timeout %d seconds.", iterations*cycle/1000)
+	t.Fatalf("Test was not complete: timeout %d seconds.", iterations*cycle/1000)
 }
 
-func validateMail(x *testing.T, index int, mail []*ReceivedMessage) bool {
+func validateMail(t *testing.T, index int, mail []*ReceivedMessage) bool {
 	var cnt int
 	for _, m := range mail {
 		if bytes.Compare(m.Payload, expectedMessage) == 0 {
@@ -219,7 +215,7 @@ func validateMail(x *testing.T, index int, mail []*ReceivedMessage) bool {
 		return true
 	}
 	if cnt > 1 {
-		x.Errorf("node %d received %d.", index, cnt)
+		t.Fatalf("node %d received %d.", index, cnt)
 		return false
 	}
 
@@ -228,8 +224,7 @@ func validateMail(x *testing.T, index int, mail []*ReceivedMessage) bool {
 		defer result.mutex.Unlock()
 		result.counter[index] += cnt
 		if result.counter[index] > 1 {
-			x.Errorf("node %d accumulated %d.", index, result.counter[index])
-			return false
+			t.Fatalf("node %d accumulated %d.", index, result.counter[index])
 		}
 	}
 	return true
@@ -255,8 +250,8 @@ func isTestComplete() bool {
 	return true
 }
 
-func sendMsg(x *testing.T, expected bool, id int) {
-	if x.Failed() {
+func sendMsg(t *testing.T, expected bool, id int) {
+	if t.Failed() {
 		return
 	}
 
@@ -270,38 +265,33 @@ func sendMsg(x *testing.T, expected bool, id int) {
 	msg := NewSentMessage(&opt)
 	envelope, err := msg.Wrap(&opt)
 	if err != nil {
-		x.Errorf("failed to seal message.")
-		return
+		t.Fatalf("failed to seal message.")
 	}
 
 	err = nodes[id].shh.Send(envelope)
 	if err != nil {
-		x.Errorf("failed to send message.")
-		return
+		t.Fatalf("failed to send message.")
 	}
 }
 
-func TestPeerBasic(x *testing.T) {
+func TestPeerBasic(t *testing.T) {
 	InitSingleTest()
 
 	params, err := generateMessageParams()
 	if err != nil {
-		x.Errorf("failed 1 with seed %d.", seed)
-		return
+		t.Fatalf("failed generateMessageParams with seed %d.", seed)
 	}
 
 	params.PoW = 0.001
 	msg := NewSentMessage(params)
 	env, err := msg.Wrap(params)
 	if err != nil {
-		x.Errorf("failed 2 with seed %d.", seed)
-		return
+		t.Fatalf("failed Wrap with seed %d.", seed)
 	}
 
 	p := newPeer(nil, nil, nil)
 	p.mark(env)
 	if !p.marked(env) {
-		x.Errorf("failed 3 with seed %d.", seed)
-		return
+		t.Fatalf("failed mark with seed %d.", seed)
 	}
 }