swarm: codebase split from go-ethereum (#1405)
This commit is contained in:
Rafael Matias
committed by
Anton Evangelatov
Anton Evangelatov
parent
7a22da98b9
commit
b046760db1
287
pss/client/client_test.go
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287
pss/client/client_test.go
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// Copyright 2018 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 client
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import (
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"bytes"
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"context"
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"flag"
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"fmt"
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"math/rand"
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"os"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/node"
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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/simulations"
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"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethersphere/swarm/network"
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"github.com/ethersphere/swarm/pss"
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"github.com/ethersphere/swarm/state"
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whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
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)
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type protoCtrl struct {
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C chan bool
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protocol *pss.Protocol
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run func(*p2p.Peer, p2p.MsgReadWriter) error
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}
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var (
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debugdebugflag = flag.Bool("vv", false, "veryverbose")
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debugflag = flag.Bool("v", false, "verbose")
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w *whisper.Whisper
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wapi *whisper.PublicWhisperAPI
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// custom logging
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psslogmain log.Logger
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pssprotocols map[string]*protoCtrl
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sendLimit = uint16(256)
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)
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var services = newServices()
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func init() {
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flag.Parse()
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rand.Seed(time.Now().Unix())
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adapters.RegisterServices(services)
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loglevel := log.LvlInfo
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if *debugflag {
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loglevel = log.LvlDebug
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} else if *debugdebugflag {
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loglevel = log.LvlTrace
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}
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psslogmain = log.New("psslog", "*")
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hs := log.StreamHandler(os.Stderr, log.TerminalFormat(true))
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hf := log.LvlFilterHandler(loglevel, hs)
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h := log.CallerFileHandler(hf)
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log.Root().SetHandler(h)
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w = whisper.New(&whisper.DefaultConfig)
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wapi = whisper.NewPublicWhisperAPI(w)
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pssprotocols = make(map[string]*protoCtrl)
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}
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// ping pong exchange across one expired symkey
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func TestClientHandshake(t *testing.T) {
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sendLimit = 3
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clients, err := setupNetwork(2)
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if err != nil {
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t.Fatal(err)
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}
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lpsc, err := NewClientWithRPC(clients[0])
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if err != nil {
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t.Fatal(err)
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}
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rpsc, err := NewClientWithRPC(clients[1])
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if err != nil {
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t.Fatal(err)
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}
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lpssping := &pss.Ping{
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OutC: make(chan bool),
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InC: make(chan bool),
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Pong: false,
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}
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rpssping := &pss.Ping{
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OutC: make(chan bool),
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InC: make(chan bool),
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Pong: false,
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}
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lproto := pss.NewPingProtocol(lpssping)
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rproto := pss.NewPingProtocol(rpssping)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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err = lpsc.RunProtocol(ctx, lproto)
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if err != nil {
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t.Fatal(err)
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}
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err = rpsc.RunProtocol(ctx, rproto)
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if err != nil {
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t.Fatal(err)
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}
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topic := pss.PingTopic.String()
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var loaddr string
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err = clients[0].Call(&loaddr, "pss_baseAddr")
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if err != nil {
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t.Fatalf("rpc get node 1 baseaddr fail: %v", err)
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}
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var roaddr string
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err = clients[1].Call(&roaddr, "pss_baseAddr")
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if err != nil {
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t.Fatalf("rpc get node 2 baseaddr fail: %v", err)
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}
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var lpubkey string
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err = clients[0].Call(&lpubkey, "pss_getPublicKey")
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if err != nil {
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t.Fatalf("rpc get node 1 pubkey fail: %v", err)
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}
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var rpubkey string
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err = clients[1].Call(&rpubkey, "pss_getPublicKey")
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if err != nil {
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t.Fatalf("rpc get node 2 pubkey fail: %v", err)
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}
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err = clients[0].Call(nil, "pss_setPeerPublicKey", rpubkey, topic, roaddr)
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if err != nil {
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t.Fatal(err)
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}
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err = clients[1].Call(nil, "pss_setPeerPublicKey", lpubkey, topic, loaddr)
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if err != nil {
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t.Fatal(err)
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}
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time.Sleep(time.Second)
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roaddrbytes, err := hexutil.Decode(roaddr)
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if err != nil {
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t.Fatal(err)
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}
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err = lpsc.AddPssPeer(rpubkey, roaddrbytes, pss.PingProtocol)
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if err != nil {
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t.Fatal(err)
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}
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time.Sleep(time.Second)
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for i := uint16(0); i <= sendLimit; i++ {
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lpssping.OutC <- false
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got := <-rpssping.InC
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log.Warn("ok", "idx", i, "got", got)
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time.Sleep(time.Second)
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}
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rw := lpsc.peerPool[pss.PingTopic][rpubkey]
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lpsc.RemovePssPeer(rpubkey, pss.PingProtocol)
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if err := rw.WriteMsg(p2p.Msg{
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Size: 3,
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Payload: bytes.NewReader([]byte("foo")),
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}); err == nil {
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t.Fatalf("expected error on write")
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}
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}
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func setupNetwork(numnodes int) (clients []*rpc.Client, err error) {
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nodes := make([]*simulations.Node, numnodes)
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clients = make([]*rpc.Client, numnodes)
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if numnodes < 2 {
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return nil, fmt.Errorf("Minimum two nodes in network")
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}
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adapter := adapters.NewSimAdapter(services)
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net := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
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ID: "0",
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DefaultService: "bzz",
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})
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for i := 0; i < numnodes; i++ {
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nodeconf := adapters.RandomNodeConfig()
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nodeconf.Services = []string{"bzz", "pss"}
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nodes[i], err = net.NewNodeWithConfig(nodeconf)
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if err != nil {
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return nil, fmt.Errorf("error creating node 1: %v", err)
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}
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err = net.Start(nodes[i].ID())
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if err != nil {
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return nil, fmt.Errorf("error starting node 1: %v", err)
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}
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if i > 0 {
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err = net.Connect(nodes[i].ID(), nodes[i-1].ID())
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if err != nil {
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return nil, fmt.Errorf("error connecting nodes: %v", err)
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}
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}
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clients[i], err = nodes[i].Client()
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if err != nil {
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return nil, fmt.Errorf("create node 1 rpc client fail: %v", err)
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}
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}
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if numnodes > 2 {
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err = net.Connect(nodes[0].ID(), nodes[len(nodes)-1].ID())
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if err != nil {
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return nil, fmt.Errorf("error connecting first and last nodes")
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}
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}
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return clients, nil
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}
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func newServices() adapters.Services {
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stateStore := state.NewInmemoryStore()
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kademlias := make(map[enode.ID]*network.Kademlia)
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kademlia := func(id enode.ID) *network.Kademlia {
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if k, ok := kademlias[id]; ok {
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return k
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}
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params := network.NewKadParams()
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params.NeighbourhoodSize = 2
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params.MaxBinSize = 3
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params.MinBinSize = 1
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params.MaxRetries = 1000
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params.RetryExponent = 2
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params.RetryInterval = 1000000
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kademlias[id] = network.NewKademlia(id[:], params)
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return kademlias[id]
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}
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return adapters.Services{
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"pss": func(ctx *adapters.ServiceContext) (node.Service, error) {
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ctxlocal, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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keys, err := wapi.NewKeyPair(ctxlocal)
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if err != nil {
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return nil, err
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}
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privkey, err := w.GetPrivateKey(keys)
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if err != nil {
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return nil, err
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}
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psparams := pss.NewPssParams().WithPrivateKey(privkey)
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pskad := kademlia(ctx.Config.ID)
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ps, err := pss.NewPss(pskad, psparams)
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if err != nil {
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return nil, err
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}
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pshparams := pss.NewHandshakeParams()
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pshparams.SymKeySendLimit = sendLimit
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err = pss.SetHandshakeController(ps, pshparams)
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if err != nil {
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return nil, fmt.Errorf("handshake controller fail: %v", err)
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}
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return ps, nil
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},
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"bzz": func(ctx *adapters.ServiceContext) (node.Service, error) {
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addr := network.NewAddr(ctx.Config.Node())
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hp := network.NewHiveParams()
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hp.Discovery = false
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config := &network.BzzConfig{
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OverlayAddr: addr.Over(),
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UnderlayAddr: addr.Under(),
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HiveParams: hp,
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}
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return network.NewBzz(config, kademlia(ctx.Config.ID), stateStore, nil, nil), nil
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},
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}
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}
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