569 lines
15 KiB
Go
569 lines
15 KiB
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"
|
|
"sync/atomic"
|
|
"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 {
|
|
started int64
|
|
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(),
|
|
},
|
|
}
|
|
|
|
go startServer(t, node.server)
|
|
|
|
nodes[i] = &node
|
|
}
|
|
|
|
waitForServersToStart(t)
|
|
|
|
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)
|
|
}
|
|
|
|
atomic.AddInt64(&result.started, 1)
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
|
|
func waitForServersToStart(t *testing.T) {
|
|
const iterations = 200
|
|
var started int64
|
|
for j := 0; j < iterations; j++ {
|
|
time.Sleep(50 * time.Millisecond)
|
|
started = atomic.LoadInt64(&result.started)
|
|
if started == NumNodes {
|
|
return
|
|
}
|
|
}
|
|
t.Fatalf("Failed to start all the servers, running: %d", started)
|
|
}
|
|
|
|
//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
|
|
}
|