mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-23 03:51:09 +00:00
298 lines
8.2 KiB
Go
298 lines
8.2 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package whisperv5
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import (
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"bytes"
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"crypto/ecdsa"
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"net"
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"sync"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/p2p/nat"
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)
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var keys = []string{
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"d49dcf37238dc8a7aac57dc61b9fee68f0a97f062968978b9fafa7d1033d03a9",
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"73fd6143c48e80ed3c56ea159fe7494a0b6b393a392227b422f4c3e8f1b54f98",
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"119dd32adb1daa7a4c7bf77f847fb28730785aa92947edf42fdd997b54de40dc",
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"deeda8709dea935bb772248a3144dea449ffcc13e8e5a1fd4ef20ce4e9c87837",
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"5bd208a079633befa349441bdfdc4d85ba9bd56081525008380a63ac38a407cf",
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"1d27fb4912002d58a2a42a50c97edb05c1b3dffc665dbaa42df1fe8d3d95c9b5",
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"15def52800c9d6b8ca6f3066b7767a76afc7b611786c1276165fbc61636afb68",
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"51be6ab4b2dc89f251ff2ace10f3c1cc65d6855f3e083f91f6ff8efdfd28b48c",
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"ef1ef7441bf3c6419b162f05da6037474664f198b58db7315a6f4de52414b4a0",
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"09bdf6985aabc696dc1fbeb5381aebd7a6421727343872eb2fadfc6d82486fd9",
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"15d811bf2e01f99a224cdc91d0cf76cea08e8c67905c16fee9725c9be71185c4",
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"2f83e45cf1baaea779789f755b7da72d8857aeebff19362dd9af31d3c9d14620",
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"73f04e34ac6532b19c2aae8f8e52f38df1ac8f5cd10369f92325b9b0494b0590",
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"1e2e07b69e5025537fb73770f483dc8d64f84ae3403775ef61cd36e3faf162c1",
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"8963d9bbb3911aac6d30388c786756b1c423c4fbbc95d1f96ddbddf39809e43a",
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"0422da85abc48249270b45d8de38a4cc3c02032ede1fcf0864a51092d58a2f1f",
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"8ae5c15b0e8c7cade201fdc149831aa9b11ff626a7ffd27188886cc108ad0fa8",
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"acd8f5a71d4aecfcb9ad00d32aa4bcf2a602939b6a9dd071bab443154184f805",
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"a285a922125a7481600782ad69debfbcdb0316c1e97c267aff29ef50001ec045",
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"28fd4eee78c6cd4bf78f39f8ab30c32c67c24a6223baa40e6f9c9a0e1de7cef5",
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"c5cca0c9e6f043b288c6f1aef448ab59132dab3e453671af5d0752961f013fc7",
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"46df99b051838cb6f8d1b73f232af516886bd8c4d0ee07af9a0a033c391380fd",
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"c6a06a53cbaadbb432884f36155c8f3244e244881b5ee3e92e974cfa166d793f",
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"783b90c75c63dc72e2f8d11b6f1b4de54d63825330ec76ee8db34f06b38ea211",
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"9450038f10ca2c097a8013e5121b36b422b95b04892232f930a29292d9935611",
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"e215e6246ed1cfdcf7310d4d8cdbe370f0d6a8371e4eb1089e2ae05c0e1bc10f",
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"487110939ed9d64ebbc1f300adeab358bc58875faf4ca64990fbd7fe03b78f2b",
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"824a70ea76ac81366da1d4f4ac39de851c8ac49dca456bb3f0a186ceefa269a5",
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"ba8f34fa40945560d1006a328fe70c42e35cc3d1017e72d26864cd0d1b150f15",
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"30a5dfcfd144997f428901ea88a43c8d176b19c79dde54cc58eea001aa3d246c",
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"de59f7183aca39aa245ce66a05245fecfc7e2c75884184b52b27734a4a58efa2",
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"92629e2ff5f0cb4f5f08fffe0f64492024d36f045b901efb271674b801095c5a",
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"7184c1701569e3a4c4d2ddce691edd983b81e42e09196d332e1ae2f1e062cff4",
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}
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const NumNodes = 16 // must not exceed the number of keys (32)
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type TestData struct {
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counter [NumNodes]int
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mutex sync.RWMutex
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}
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type TestNode struct {
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shh *Whisper
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id *ecdsa.PrivateKey
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server *p2p.Server
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filerId string
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}
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var result TestData
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var nodes [NumNodes]*TestNode
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var sharedKey = []byte("some arbitrary data here")
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var sharedTopic TopicType = TopicType{0xF, 0x1, 0x2, 0}
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var expectedMessage = []byte("per rectum ad astra")
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// This test does the following:
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// 1. creates a chain of whisper nodes,
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// 2. installs the filters with shared (predefined) parameters,
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// 3. each node sends a number of random (undecryptable) messages,
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// 4. first node sends one expected (decryptable) message,
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// 5. checks if each node have received and decrypted exactly one message.
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func TestSimulation(t *testing.T) {
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initialize(t)
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for i := 0; i < NumNodes; i++ {
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sendMsg(t, false, i)
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}
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sendMsg(t, true, 0)
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checkPropagation(t)
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stopServers()
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}
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func initialize(t *testing.T) {
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var err error
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for i := 0; i < NumNodes; i++ {
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var node TestNode
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node.shh = New(&DefaultConfig)
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node.shh.SetMinimumPoW(0.00000001)
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node.shh.Start(nil)
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topics := make([]TopicType, 0)
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topics = append(topics, sharedTopic)
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f := Filter{KeySym: sharedKey}
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f.Topics = [][]byte{topics[0][:]}
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node.filerId, err = node.shh.Subscribe(&f)
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if err != nil {
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t.Fatalf("failed to install the filter: %s.", err)
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}
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node.id, err = crypto.HexToECDSA(keys[i])
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if err != nil {
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t.Fatalf("failed convert the key: %s.", keys[i])
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}
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name := common.MakeName("whisper-go", "2.0")
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node.server = &p2p.Server{
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Config: p2p.Config{
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PrivateKey: node.id,
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MaxPeers: NumNodes/2 + 1,
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Name: name,
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Protocols: node.shh.Protocols(),
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ListenAddr: "127.0.0.1:0",
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NAT: nat.Any(),
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},
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}
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err = node.server.Start()
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if err != nil {
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t.Fatalf("failed to start server %d. err: %v", i, err)
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}
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for j := 0; j < i; j++ {
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peerNodeId := nodes[j].id
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address, _ := net.ResolveTCPAddr("tcp", nodes[j].server.ListenAddr)
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peerPort := uint16(address.Port)
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peer := enode.NewV4(&peerNodeId.PublicKey, address.IP, int(peerPort), int(peerPort))
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node.server.AddPeer(peer)
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}
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nodes[i] = &node
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}
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}
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func stopServers() {
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for i := 0; i < NumNodes; i++ {
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n := nodes[i]
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if n != nil {
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n.shh.Unsubscribe(n.filerId)
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n.shh.Stop()
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n.server.Stop()
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}
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}
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}
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func checkPropagation(t *testing.T) {
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if t.Failed() {
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return
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}
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const cycle = 100
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const iterations = 100
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for j := 0; j < iterations; j++ {
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time.Sleep(cycle * time.Millisecond)
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for i := 0; i < NumNodes; i++ {
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f := nodes[i].shh.GetFilter(nodes[i].filerId)
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if f == nil {
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t.Fatalf("failed to get filterId %s from node %d.", nodes[i].filerId, i)
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}
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mail := f.Retrieve()
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if !validateMail(t, i, mail) {
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return
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}
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if isTestComplete() {
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return
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}
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}
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}
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t.Fatalf("Test was not complete: timeout %d seconds.", iterations*cycle/1000)
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}
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func validateMail(t *testing.T, index int, mail []*ReceivedMessage) bool {
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var cnt int
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for _, m := range mail {
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if bytes.Equal(m.Payload, expectedMessage) {
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cnt++
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}
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}
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if cnt == 0 {
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// no messages received yet: nothing is wrong
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return true
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}
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if cnt > 1 {
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t.Fatalf("node %d received %d.", index, cnt)
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return false
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}
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if cnt > 0 {
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result.mutex.Lock()
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defer result.mutex.Unlock()
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result.counter[index] += cnt
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if result.counter[index] > 1 {
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t.Fatalf("node %d accumulated %d.", index, result.counter[index])
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}
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}
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return true
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}
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func isTestComplete() bool {
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result.mutex.RLock()
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defer result.mutex.RUnlock()
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for i := 0; i < NumNodes; i++ {
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if result.counter[i] < 1 {
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return false
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}
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}
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for i := 0; i < NumNodes; i++ {
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envelopes := nodes[i].shh.Envelopes()
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if len(envelopes) < 2 {
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return false
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}
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}
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return true
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}
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func sendMsg(t *testing.T, expected bool, id int) {
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if t.Failed() {
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return
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}
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opt := MessageParams{KeySym: sharedKey, Topic: sharedTopic, Payload: expectedMessage, PoW: 0.00000001, WorkTime: 1}
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if !expected {
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opt.KeySym[0]++
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opt.Topic[0]++
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opt.Payload = opt.Payload[1:]
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}
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msg, err := NewSentMessage(&opt)
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if err != nil {
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t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
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}
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envelope, err := msg.Wrap(&opt)
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if err != nil {
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t.Fatalf("failed to seal message: %s", err)
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}
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err = nodes[id].shh.Send(envelope)
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if err != nil {
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t.Fatalf("failed to send message: %s", err)
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}
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}
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func TestPeerBasic(t *testing.T) {
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InitSingleTest()
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params, err := generateMessageParams()
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if err != nil {
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t.Fatalf("failed generateMessageParams with seed %d.", seed)
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}
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params.PoW = 0.001
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msg, err := NewSentMessage(params)
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if err != nil {
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t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
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}
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env, err := msg.Wrap(params)
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if err != nil {
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t.Fatalf("failed Wrap with seed %d.", seed)
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}
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p := newPeer(nil, nil, nil)
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p.mark(env)
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if !p.marked(env) {
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t.Fatalf("failed mark with seed %d.", seed)
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}
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}
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