whisper/whisperv6: delete failing tests (#20788)

These tests occasionally fail on Travis.

whisper/whisperv6/peer_test.go

-// Copyright 2016 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 whisperv6
-
-import (
-	"bytes"
-	"crypto/ecdsa"
-	"fmt"
-	mrand "math/rand"
-	"sync"
-	"testing"
-	"time"
-
-	"net"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/p2p"
-	"github.com/ethereum/go-ethereum/p2p/enode"
-	"github.com/ethereum/go-ethereum/p2p/nat"
-	"github.com/ethereum/go-ethereum/rlp"
-)
-
-var keys = []string{
-	"d49dcf37238dc8a7aac57dc61b9fee68f0a97f062968978b9fafa7d1033d03a9",
-	"73fd6143c48e80ed3c56ea159fe7494a0b6b393a392227b422f4c3e8f1b54f98",
-	"119dd32adb1daa7a4c7bf77f847fb28730785aa92947edf42fdd997b54de40dc",
-	"deeda8709dea935bb772248a3144dea449ffcc13e8e5a1fd4ef20ce4e9c87837",
-	"5bd208a079633befa349441bdfdc4d85ba9bd56081525008380a63ac38a407cf",
-	"1d27fb4912002d58a2a42a50c97edb05c1b3dffc665dbaa42df1fe8d3d95c9b5",
-	"15def52800c9d6b8ca6f3066b7767a76afc7b611786c1276165fbc61636afb68",
-	"51be6ab4b2dc89f251ff2ace10f3c1cc65d6855f3e083f91f6ff8efdfd28b48c",
-	"ef1ef7441bf3c6419b162f05da6037474664f198b58db7315a6f4de52414b4a0",
-	"09bdf6985aabc696dc1fbeb5381aebd7a6421727343872eb2fadfc6d82486fd9",
-	"15d811bf2e01f99a224cdc91d0cf76cea08e8c67905c16fee9725c9be71185c4",
-	"2f83e45cf1baaea779789f755b7da72d8857aeebff19362dd9af31d3c9d14620",
-	"73f04e34ac6532b19c2aae8f8e52f38df1ac8f5cd10369f92325b9b0494b0590",
-	"1e2e07b69e5025537fb73770f483dc8d64f84ae3403775ef61cd36e3faf162c1",
-	"8963d9bbb3911aac6d30388c786756b1c423c4fbbc95d1f96ddbddf39809e43a",
-	"0422da85abc48249270b45d8de38a4cc3c02032ede1fcf0864a51092d58a2f1f",
-	"8ae5c15b0e8c7cade201fdc149831aa9b11ff626a7ffd27188886cc108ad0fa8",
-	"acd8f5a71d4aecfcb9ad00d32aa4bcf2a602939b6a9dd071bab443154184f805",
-	"a285a922125a7481600782ad69debfbcdb0316c1e97c267aff29ef50001ec045",
-	"28fd4eee78c6cd4bf78f39f8ab30c32c67c24a6223baa40e6f9c9a0e1de7cef5",
-	"c5cca0c9e6f043b288c6f1aef448ab59132dab3e453671af5d0752961f013fc7",
-	"46df99b051838cb6f8d1b73f232af516886bd8c4d0ee07af9a0a033c391380fd",
-	"c6a06a53cbaadbb432884f36155c8f3244e244881b5ee3e92e974cfa166d793f",
-	"783b90c75c63dc72e2f8d11b6f1b4de54d63825330ec76ee8db34f06b38ea211",
-	"9450038f10ca2c097a8013e5121b36b422b95b04892232f930a29292d9935611",
-	"e215e6246ed1cfdcf7310d4d8cdbe370f0d6a8371e4eb1089e2ae05c0e1bc10f",
-	"487110939ed9d64ebbc1f300adeab358bc58875faf4ca64990fbd7fe03b78f2b",
-	"824a70ea76ac81366da1d4f4ac39de851c8ac49dca456bb3f0a186ceefa269a5",
-	"ba8f34fa40945560d1006a328fe70c42e35cc3d1017e72d26864cd0d1b150f15",
-	"30a5dfcfd144997f428901ea88a43c8d176b19c79dde54cc58eea001aa3d246c",
-	"de59f7183aca39aa245ce66a05245fecfc7e2c75884184b52b27734a4a58efa2",
-	"92629e2ff5f0cb4f5f08fffe0f64492024d36f045b901efb271674b801095c5a",
-	"7184c1701569e3a4c4d2ddce691edd983b81e42e09196d332e1ae2f1e062cff4",
-}
-
-type TestData struct {
-	counter [NumNodes]int
-	mutex   sync.RWMutex
-}
-
-type TestNode struct {
-	shh     *Whisper
-	id      *ecdsa.PrivateKey
-	server  *p2p.Server
-	filerID string
-}
-
-const NumNodes = 8 // must not exceed the number of keys (32)
-
-var result TestData
-var nodes [NumNodes]*TestNode
-var sharedKey = hexutil.MustDecode("0x03ca634cae0d49acb401d8a4c6b6fe8c55b70d115bf400769cc1400f3258cd31")
-var wrongKey = hexutil.MustDecode("0xf91156714d7ec88d3edc1c652c2181dbb3044e8771c683f3b30d33c12b986b11")
-var sharedTopic = TopicType{0xF, 0x1, 0x2, 0}
-var wrongTopic = TopicType{0, 0, 0, 0}
-var expectedMessage = []byte("per aspera ad astra")
-var unexpectedMessage = []byte("per rectum ad astra")
-var masterBloomFilter []byte
-var masterPow = 0.00000001
-var round = 1
-var debugMode = false
-var prevTime time.Time
-var cntPrev int
-
-func TestSimulation(t *testing.T) {
-	// create a chain of whisper nodes,
-	// installs the filters with shared (predefined) parameters
-	initialize(t)
-
-	// each node sends one random (not decryptable) message
-	for i := 0; i < NumNodes; i++ {
-		sendMsg(t, false, i)
-	}
-
-	// node #0 sends one expected (decryptable) message
-	sendMsg(t, true, 0)
-
-	// check if each node have received and decrypted exactly one message
-	checkPropagation(t, true)
-
-	// check if Status message was correctly decoded
-	checkBloomFilterExchange(t)
-	checkPowExchange(t)
-
-	// send new pow and bloom exchange messages
-	resetParams(t)
-
-	// node #1 sends one expected (decryptable) message
-	sendMsg(t, true, 1)
-
-	// check if each node (except node #0) have received and decrypted exactly one message
-	checkPropagation(t, false)
-
-	// check if corresponding protocol-level messages were correctly decoded
-	checkPowExchangeForNodeZero(t)
-	checkBloomFilterExchange(t)
-
-	stopServers()
-}
-
-func resetParams(t *testing.T) {
-	// change pow only for node zero
-	masterPow = 7777777.0
-	nodes[0].shh.SetMinimumPoW(masterPow)
-
-	// change bloom for all nodes
-	masterBloomFilter = TopicToBloom(sharedTopic)
-	for i := 0; i < NumNodes; i++ {
-		nodes[i].shh.SetBloomFilter(masterBloomFilter)
-	}
-
-	round++
-}
-
-func initBloom(t *testing.T) {
-	masterBloomFilter = make([]byte, BloomFilterSize)
-	_, err := mrand.Read(masterBloomFilter)
-	if err != nil {
-		t.Fatalf("rand failed: %s.", err)
-	}
-
-	msgBloom := TopicToBloom(sharedTopic)
-	masterBloomFilter = addBloom(masterBloomFilter, msgBloom)
-	for i := 0; i < 32; i++ {
-		masterBloomFilter[i] = 0xFF
-	}
-
-	if !BloomFilterMatch(masterBloomFilter, msgBloom) {
-		t.Fatalf("bloom mismatch on initBloom.")
-	}
-}
-
-func initialize(t *testing.T) {
-	initBloom(t)
-
-	var err error
-
-	for i := 0; i < NumNodes; i++ {
-		var node TestNode
-		b := make([]byte, BloomFilterSize)
-		copy(b, masterBloomFilter)
-		node.shh = New(&DefaultConfig)
-		node.shh.SetMinimumPoW(masterPow)
-		node.shh.SetBloomFilter(b)
-		if !bytes.Equal(node.shh.BloomFilter(), masterBloomFilter) {
-			t.Fatalf("bloom mismatch on init.")
-		}
-		node.shh.Start(nil)
-		topics := make([]TopicType, 0)
-		topics = append(topics, sharedTopic)
-		f := Filter{KeySym: sharedKey}
-		f.Topics = [][]byte{topics[0][:]}
-		node.filerID, err = node.shh.Subscribe(&f)
-		if err != nil {
-			t.Fatalf("failed to install the filter: %s.", err)
-		}
-		node.id, err = crypto.HexToECDSA(keys[i])
-		if err != nil {
-			t.Fatalf("failed convert the key: %s.", keys[i])
-		}
-		name := common.MakeName("whisper-go", "2.0")
-
-		node.server = &p2p.Server{
-			Config: p2p.Config{
-				PrivateKey: node.id,
-				MaxPeers:   NumNodes/2 + 1,
-				Name:       name,
-				Protocols:  node.shh.Protocols(),
-				ListenAddr: "127.0.0.1:0",
-				NAT:        nat.Any(),
-			},
-		}
-
-		startServer(t, node.server)
-		nodes[i] = &node
-	}
-
-	for i := 0; i < NumNodes; i++ {
-		for j := 0; j < i; j++ {
-			peerNodeId := nodes[j].id
-			address, _ := net.ResolveTCPAddr("tcp", nodes[j].server.ListenAddr)
-			peer := enode.NewV4(&peerNodeId.PublicKey, address.IP, address.Port, address.Port)
-			nodes[i].server.AddPeer(peer)
-		}
-	}
-}
-
-func startServer(t *testing.T, s *p2p.Server) {
-	err := s.Start()
-	if err != nil {
-		t.Fatalf("failed to start the first server. err: %v", err)
-	}
-}
-
-func stopServers() {
-	for i := 0; i < NumNodes; i++ {
-		n := nodes[i]
-		if n != nil {
-			n.shh.Unsubscribe(n.filerID)
-			n.shh.Stop()
-			n.server.Stop()
-		}
-	}
-}
-
-func checkPropagation(t *testing.T, includingNodeZero bool) {
-	if t.Failed() {
-		return
-	}
-
-	prevTime = time.Now()
-	// (cycle * iterations) should not exceed 50 seconds, since TTL=50
-	const cycle = 200 // time in milliseconds
-	const iterations = 250
-
-	first := 0
-	if !includingNodeZero {
-		first = 1
-	}
-
-	for j := 0; j < iterations; j++ {
-		for i := first; i < NumNodes; i++ {
-			f := nodes[i].shh.GetFilter(nodes[i].filerID)
-			if f == nil {
-				t.Fatalf("failed to get filterId %s from node %d, round %d.", nodes[i].filerID, i, round)
-			}
-
-			mail := f.Retrieve()
-			validateMail(t, i, mail)
-
-			if isTestComplete() {
-				checkTestStatus()
-				return
-			}
-		}
-
-		checkTestStatus()
-		time.Sleep(cycle * time.Millisecond)
-	}
-
-	if !includingNodeZero {
-		f := nodes[0].shh.GetFilter(nodes[0].filerID)
-		if f != nil {
-			t.Fatalf("node zero received a message with low PoW.")
-		}
-	}
-
-	t.Fatalf("Test was not complete (%d round): timeout %d seconds. nodes=%v", round, iterations*cycle/1000, nodes)
-}
-
-func validateMail(t *testing.T, index int, mail []*ReceivedMessage) {
-	var cnt int
-	for _, m := range mail {
-		if bytes.Equal(m.Payload, expectedMessage) {
-			cnt++
-		}
-	}
-
-	if cnt == 0 {
-		// no messages received yet: nothing is wrong
-		return
-	}
-	if cnt > 1 {
-		t.Fatalf("node %d received %d.", index, cnt)
-	}
-
-	if cnt == 1 {
-		result.mutex.Lock()
-		defer result.mutex.Unlock()
-		result.counter[index] += cnt
-		if result.counter[index] > 1 {
-			t.Fatalf("node %d accumulated %d.", index, result.counter[index])
-		}
-	}
-}
-
-func checkTestStatus() {
-	var cnt int
-	var arr [NumNodes]int
-
-	for i := 0; i < NumNodes; i++ {
-		arr[i] = nodes[i].server.PeerCount()
-		envelopes := nodes[i].shh.Envelopes()
-		if len(envelopes) >= NumNodes {
-			cnt++
-		}
-	}
-
-	if debugMode {
-		if cntPrev != cnt {
-			fmt.Printf(" %v \t number of nodes that have received all msgs: %d, number of peers per node: %v \n",
-				time.Since(prevTime), cnt, arr)
-			prevTime = time.Now()
-			cntPrev = cnt
-		}
-	}
-}
-
-func isTestComplete() bool {
-	result.mutex.RLock()
-	defer result.mutex.RUnlock()
-
-	for i := 0; i < NumNodes; i++ {
-		if result.counter[i] < 1 {
-			return false
-		}
-	}
-
-	for i := 0; i < NumNodes; i++ {
-		envelopes := nodes[i].shh.Envelopes()
-		if len(envelopes) < NumNodes+1 {
-			return false
-		}
-	}
-
-	return true
-}
-
-func sendMsg(t *testing.T, expected bool, id int) {
-	if t.Failed() {
-		return
-	}
-
-	opt := MessageParams{KeySym: sharedKey, Topic: sharedTopic, Payload: expectedMessage, PoW: 0.00000001, WorkTime: 1}
-	if !expected {
-		opt.KeySym = wrongKey
-		opt.Topic = wrongTopic
-		opt.Payload = unexpectedMessage
-		opt.Payload[0] = byte(id)
-	}
-
-	msg, err := NewSentMessage(&opt)
-	if err != nil {
-		t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
-	}
-	envelope, err := msg.Wrap(&opt)
-	if err != nil {
-		t.Fatalf("failed to seal message: %s", err)
-	}
-
-	err = nodes[id].shh.Send(envelope)
-	if err != nil {
-		t.Fatalf("failed to send message: %s", err)
-	}
-}
-
-func TestPeerBasic(t *testing.T) {
-	InitSingleTest()
-
-	params, err := generateMessageParams()
-	if err != nil {
-		t.Fatalf("failed generateMessageParams with seed %d.", seed)
-	}
-
-	params.PoW = 0.001
-	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.", seed)
-	}
-
-	p := newPeer(nil, nil, nil)
-	p.mark(env)
-	if !p.marked(env) {
-		t.Fatalf("failed mark with seed %d.", seed)
-	}
-}
-
-func checkPowExchangeForNodeZero(t *testing.T) {
-	const iterations = 200
-	for j := 0; j < iterations; j++ {
-		lastCycle := (j == iterations-1)
-		ok := checkPowExchangeForNodeZeroOnce(t, lastCycle)
-		if ok {
-			break
-		}
-		time.Sleep(50 * time.Millisecond)
-	}
-}
-
-func checkPowExchangeForNodeZeroOnce(t *testing.T, mustPass bool) bool {
-	cnt := 0
-	for i, node := range nodes {
-		for peer := range node.shh.peers {
-			if peer.peer.ID() == nodes[0].server.Self().ID() {
-				cnt++
-				if peer.powRequirement != masterPow {
-					if mustPass {
-						t.Fatalf("node %d: failed to set the new pow requirement for node zero.", i)
-					} else {
-						return false
-					}
-				}
-			}
-		}
-	}
-	if cnt == 0 {
-		t.Fatalf("looking for node zero: no matching peers found.")
-	}
-	return true
-}
-
-func checkPowExchange(t *testing.T) {
-	for i, node := range nodes {
-		for peer := range node.shh.peers {
-			if peer.peer.ID() != nodes[0].server.Self().ID() {
-				if peer.powRequirement != masterPow {
-					t.Fatalf("node %d: failed to exchange pow requirement in round %d; expected %f, got %f",
-						i, round, masterPow, peer.powRequirement)
-				}
-			}
-		}
-	}
-}
-
-func checkBloomFilterExchangeOnce(t *testing.T, mustPass bool) bool {
-	for i, node := range nodes {
-		for peer := range node.shh.peers {
-			peer.bloomMu.Lock()
-			equals := bytes.Equal(peer.bloomFilter, masterBloomFilter)
-			peer.bloomMu.Unlock()
-			if !equals {
-				if mustPass {
-					t.Fatalf("node %d: failed to exchange bloom filter requirement in round %d. \n%x expected \n%x got",
-						i, round, masterBloomFilter, peer.bloomFilter)
-				} else {
-					return false
-				}
-			}
-		}
-	}
-
-	return true
-}
-
-func checkBloomFilterExchange(t *testing.T) {
-	const iterations = 200
-	for j := 0; j < iterations; j++ {
-		lastCycle := (j == iterations-1)
-		ok := checkBloomFilterExchangeOnce(t, lastCycle)
-		if ok {
-			break
-		}
-		time.Sleep(50 * time.Millisecond)
-	}
-}
-
-//two generic whisper node handshake
-func TestPeerHandshakeWithTwoFullNode(t *testing.T) {
-	w1 := Whisper{}
-	p1 := newPeer(&w1, p2p.NewPeer(enode.ID{}, "test", []p2p.Cap{}), &rwStub{[]interface{}{ProtocolVersion, uint64(123), make([]byte, BloomFilterSize), false}})
-	err := p1.handshake()
-	if err != nil {
-		t.Fatal()
-	}
-}
-
-//two generic whisper node handshake. one don't send light flag
-func TestHandshakeWithOldVersionWithoutLightModeFlag(t *testing.T) {
-	w1 := Whisper{}
-	p1 := newPeer(&w1, p2p.NewPeer(enode.ID{}, "test", []p2p.Cap{}), &rwStub{[]interface{}{ProtocolVersion, uint64(123), make([]byte, BloomFilterSize)}})
-	err := p1.handshake()
-	if err != nil {
-		t.Fatal()
-	}
-}
-
-//two light nodes handshake. restriction disabled
-func TestTwoLightPeerHandshakeRestrictionOff(t *testing.T) {
-	w1 := Whisper{}
-	w1.settings.Store(restrictConnectionBetweenLightClientsIdx, false)
-	w1.SetLightClientMode(true)
-	p1 := newPeer(&w1, p2p.NewPeer(enode.ID{}, "test", []p2p.Cap{}), &rwStub{[]interface{}{ProtocolVersion, uint64(123), make([]byte, BloomFilterSize), true}})
-	err := p1.handshake()
-	if err != nil {
-		t.FailNow()
-	}
-}
-
-//two light nodes handshake. restriction enabled
-func TestTwoLightPeerHandshakeError(t *testing.T) {
-	w1 := Whisper{}
-	w1.settings.Store(restrictConnectionBetweenLightClientsIdx, true)
-	w1.SetLightClientMode(true)
-	p1 := newPeer(&w1, p2p.NewPeer(enode.ID{}, "test", []p2p.Cap{}), &rwStub{[]interface{}{ProtocolVersion, uint64(123), make([]byte, BloomFilterSize), true}})
-	err := p1.handshake()
-	if err == nil {
-		t.FailNow()
-	}
-}
-
-type rwStub struct {
-	payload []interface{}
-}
-
-func (stub *rwStub) ReadMsg() (p2p.Msg, error) {
-	size, r, err := rlp.EncodeToReader(stub.payload)
-	if err != nil {
-		return p2p.Msg{}, err
-	}
-	return p2p.Msg{Code: statusCode, Size: uint32(size), Payload: r}, nil
-}
-
-func (stub *rwStub) WriteMsg(m p2p.Msg) error {
-	return nil
-}