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-rw-r--r--whisper/whisperv6/peer_test.go306
1 files changed, 306 insertions, 0 deletions
diff --git a/whisper/whisperv6/peer_test.go b/whisper/whisperv6/peer_test.go
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+++ b/whisper/whisperv6/peer_test.go
@@ -0,0 +1,306 @@
+// 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"
+ "net"
+ "sync"
+ "testing"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/discover"
+ "github.com/ethereum/go-ethereum/p2p/nat"
+)
+
+var keys []string = []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",
+}
+
+const NumNodes = 16 // must not exceed the number of keys (32)
+
+type TestData struct {
+ counter [NumNodes]int
+ mutex sync.RWMutex
+}
+
+type TestNode struct {
+ shh *Whisper
+ id *ecdsa.PrivateKey
+ server *p2p.Server
+ filerId string
+}
+
+var result TestData
+var nodes [NumNodes]*TestNode
+var sharedKey []byte = []byte("some arbitrary data here")
+var sharedTopic TopicType = TopicType{0xF, 0x1, 0x2, 0}
+var expectedMessage []byte = []byte("per rectum ad astra")
+
+// This test does the following:
+// 1. creates a chain of whisper nodes,
+// 2. installs the filters with shared (predefined) parameters,
+// 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(t *testing.T) {
+ initialize(t)
+
+ for i := 0; i < NumNodes; i++ {
+ sendMsg(t, false, i)
+ }
+
+ sendMsg(t, true, 0)
+ checkPropagation(t)
+ stopServers()
+}
+
+func initialize(t *testing.T) {
+ var err error
+ ip := net.IPv4(127, 0, 0, 1)
+ port0 := 30303
+
+ for i := 0; i < NumNodes; i++ {
+ var node TestNode
+ node.shh = New(&DefaultConfig)
+ node.shh.SetMinimumPoW(0.00000001)
+ 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])
+ }
+ port := port0 + i
+ addr := fmt.Sprintf(":%d", port) // e.g. ":30303"
+ name := common.MakeName("whisper-go", "2.0")
+ var peers []*discover.Node
+ if i > 0 {
+ peerNodeId := nodes[i-1].id
+ peerPort := uint16(port - 1)
+ peerNode := discover.PubkeyID(&peerNodeId.PublicKey)
+ peer := discover.NewNode(peerNode, ip, peerPort, peerPort)
+ peers = append(peers, peer)
+ }
+
+ node.server = &p2p.Server{
+ Config: p2p.Config{
+ PrivateKey: node.id,
+ MaxPeers: NumNodes/2 + 1,
+ Name: name,
+ Protocols: node.shh.Protocols(),
+ ListenAddr: addr,
+ NAT: nat.Any(),
+ BootstrapNodes: peers,
+ StaticNodes: peers,
+ TrustedNodes: peers,
+ },
+ }
+
+ err = node.server.Start()
+ if err != nil {
+ t.Fatalf("failed to start server %d.", i)
+ }
+
+ nodes[i] = &node
+ }
+}
+
+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) {
+ if t.Failed() {
+ return
+ }
+
+ const cycle = 100
+ const iterations = 100
+
+ for j := 0; j < iterations; j++ {
+ time.Sleep(cycle * time.Millisecond)
+
+ for i := 0; i < NumNodes; i++ {
+ f := nodes[i].shh.GetFilter(nodes[i].filerId)
+ if f == nil {
+ t.Fatalf("failed to get filterId %s from node %d.", nodes[i].filerId, i)
+ }
+
+ mail := f.Retrieve()
+ if !validateMail(t, i, mail) {
+ return
+ }
+
+ if isTestComplete() {
+ return
+ }
+ }
+ }
+
+ t.Fatalf("Test was not complete: timeout %d seconds.", iterations*cycle/1000)
+}
+
+func validateMail(t *testing.T, index int, mail []*ReceivedMessage) bool {
+ 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 true
+ }
+ if cnt > 1 {
+ t.Fatalf("node %d received %d.", index, cnt)
+ return false
+ }
+
+ if cnt > 0 {
+ 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])
+ }
+ }
+ return true
+}
+
+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) < 2 {
+ 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[0]++
+ opt.Topic[0]++
+ opt.Payload = opt.Payload[1:]
+ }
+
+ 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)
+ }
+}