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|
package notify
import (
"bytes"
"context"
"flag"
"fmt"
"os"
"testing"
"time"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/simulations"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/swarm/network"
"github.com/ethereum/go-ethereum/swarm/pss"
"github.com/ethereum/go-ethereum/swarm/state"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
)
var (
loglevel = flag.Int("l", 3, "loglevel")
psses map[string]*pss.Pss
w *whisper.Whisper
wapi *whisper.PublicWhisperAPI
)
func init() {
flag.Parse()
hs := log.StreamHandler(os.Stderr, log.TerminalFormat(true))
hf := log.LvlFilterHandler(log.Lvl(*loglevel), hs)
h := log.CallerFileHandler(hf)
log.Root().SetHandler(h)
w = whisper.New(&whisper.DefaultConfig)
wapi = whisper.NewPublicWhisperAPI(w)
psses = make(map[string]*pss.Pss)
}
// Creates a client node and notifier node
// Client sends pss notifications requests
// notifier sends initial notification with symmetric key, and
// second notification symmetrically encrypted
func TestStart(t *testing.T) {
adapter := adapters.NewSimAdapter(newServices(false))
net := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
ID: "0",
DefaultService: "bzz",
})
leftNodeConf := adapters.RandomNodeConfig()
leftNodeConf.Services = []string{"bzz", "pss"}
leftNode, err := net.NewNodeWithConfig(leftNodeConf)
if err != nil {
t.Fatal(err)
}
err = net.Start(leftNode.ID())
if err != nil {
t.Fatal(err)
}
rightNodeConf := adapters.RandomNodeConfig()
rightNodeConf.Services = []string{"bzz", "pss"}
rightNode, err := net.NewNodeWithConfig(rightNodeConf)
if err != nil {
t.Fatal(err)
}
err = net.Start(rightNode.ID())
if err != nil {
t.Fatal(err)
}
err = net.Connect(rightNode.ID(), leftNode.ID())
if err != nil {
t.Fatal(err)
}
leftRpc, err := leftNode.Client()
if err != nil {
t.Fatal(err)
}
rightRpc, err := rightNode.Client()
if err != nil {
t.Fatal(err)
}
var leftAddr string
err = leftRpc.Call(&leftAddr, "pss_baseAddr")
if err != nil {
t.Fatal(err)
}
var rightAddr string
err = rightRpc.Call(&rightAddr, "pss_baseAddr")
if err != nil {
t.Fatal(err)
}
var leftPub string
err = leftRpc.Call(&leftPub, "pss_getPublicKey")
if err != nil {
t.Fatal(err)
}
var rightPub string
err = rightRpc.Call(&rightPub, "pss_getPublicKey")
if err != nil {
t.Fatal(err)
}
rsrcName := "foo.eth"
rsrcTopic := pss.BytesToTopic([]byte(rsrcName))
// wait for kademlia table to populate
time.Sleep(time.Second)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
defer cancel()
rmsgC := make(chan *pss.APIMsg)
rightSub, err := rightRpc.Subscribe(ctx, "pss", rmsgC, "receive", controlTopic)
if err != nil {
t.Fatal(err)
}
defer rightSub.Unsubscribe()
updateC := make(chan []byte)
updateMsg := []byte{}
ctrlClient := NewController(psses[rightPub])
ctrlNotifier := NewController(psses[leftPub])
ctrlNotifier.NewNotifier("foo.eth", 2, updateC)
pubkeybytes, err := hexutil.Decode(leftPub)
if err != nil {
t.Fatal(err)
}
pubkey, err := crypto.UnmarshalPubkey(pubkeybytes)
if err != nil {
t.Fatal(err)
}
addrbytes, err := hexutil.Decode(leftAddr)
if err != nil {
t.Fatal(err)
}
ctrlClient.Subscribe(rsrcName, pubkey, addrbytes, func(s string, b []byte) error {
if s != "foo.eth" || !bytes.Equal(updateMsg, b) {
t.Fatalf("unexpected result in client handler: '%s':'%x'", s, b)
}
log.Info("client handler receive", "s", s, "b", b)
return nil
})
var inMsg *pss.APIMsg
select {
case inMsg = <-rmsgC:
case <-ctx.Done():
t.Fatal(ctx.Err())
}
dMsg, err := NewMsgFromPayload(inMsg.Msg)
if err != nil {
t.Fatal(err)
}
if dMsg.namestring != rsrcName {
t.Fatalf("expected name '%s', got '%s'", rsrcName, dMsg.namestring)
}
if !bytes.Equal(dMsg.Payload[:len(updateMsg)], updateMsg) {
t.Fatalf("expected payload first %d bytes '%x', got '%x'", len(updateMsg), updateMsg, dMsg.Payload[:len(updateMsg)])
}
if len(updateMsg)+symKeyLength != len(dMsg.Payload) {
t.Fatalf("expected payload length %d, have %d", len(updateMsg)+symKeyLength, len(dMsg.Payload))
}
rightSubUpdate, err := rightRpc.Subscribe(ctx, "pss", rmsgC, "receive", rsrcTopic)
if err != nil {
t.Fatal(err)
}
defer rightSubUpdate.Unsubscribe()
updateMsg = []byte("plugh")
updateC <- updateMsg
select {
case inMsg = <-rmsgC:
case <-ctx.Done():
log.Error("timed out waiting for msg", "topic", fmt.Sprintf("%x", rsrcTopic))
t.Fatal(ctx.Err())
}
dMsg, err = NewMsgFromPayload(inMsg.Msg)
if err != nil {
t.Fatal(err)
}
if dMsg.namestring != rsrcName {
t.Fatalf("expected name %s, got %s", rsrcName, dMsg.namestring)
}
if !bytes.Equal(dMsg.Payload, updateMsg) {
t.Fatalf("expected payload '%x', got '%x'", updateMsg, dMsg.Payload)
}
}
func newServices(allowRaw bool) adapters.Services {
stateStore := state.NewInmemoryStore()
kademlias := make(map[discover.NodeID]*network.Kademlia)
kademlia := func(id discover.NodeID) *network.Kademlia {
if k, ok := kademlias[id]; ok {
return k
}
addr := network.NewAddrFromNodeID(id)
params := network.NewKadParams()
params.MinProxBinSize = 2
params.MaxBinSize = 3
params.MinBinSize = 1
params.MaxRetries = 1000
params.RetryExponent = 2
params.RetryInterval = 1000000
kademlias[id] = network.NewKademlia(addr.Over(), params)
return kademlias[id]
}
return adapters.Services{
"pss": func(ctx *adapters.ServiceContext) (node.Service, error) {
ctxlocal, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
keys, err := wapi.NewKeyPair(ctxlocal)
privkey, err := w.GetPrivateKey(keys)
pssp := pss.NewPssParams().WithPrivateKey(privkey)
pssp.MsgTTL = time.Second * 30
pssp.AllowRaw = allowRaw
pskad := kademlia(ctx.Config.ID)
ps, err := pss.NewPss(pskad, pssp)
if err != nil {
return nil, err
}
//psses[common.ToHex(crypto.FromECDSAPub(&privkey.PublicKey))] = ps
psses[hexutil.Encode(crypto.FromECDSAPub(&privkey.PublicKey))] = ps
return ps, nil
},
"bzz": func(ctx *adapters.ServiceContext) (node.Service, error) {
addr := network.NewAddrFromNodeID(ctx.Config.ID)
hp := network.NewHiveParams()
hp.Discovery = false
config := &network.BzzConfig{
OverlayAddr: addr.Over(),
UnderlayAddr: addr.Under(),
HiveParams: hp,
}
return network.NewBzz(config, kademlia(ctx.Config.ID), stateStore, nil, nil), nil
},
}
}
|
