266 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			266 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package notify
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| 
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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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| 	"os"
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/ethereum/go-ethereum/common/hexutil"
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| 	"github.com/ethereum/go-ethereum/crypto"
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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/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/swarm/network"
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| 	"github.com/ethereum/go-ethereum/swarm/pss"
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| 	"github.com/ethereum/go-ethereum/swarm/state"
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| 	whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
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| )
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| 
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| var (
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| 	loglevel = flag.Int("l", 3, "loglevel")
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| 	psses    map[string]*pss.Pss
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| 	w        *whisper.Whisper
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| 	wapi     *whisper.PublicWhisperAPI
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| )
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| 
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| func init() {
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| 	flag.Parse()
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| 	hs := log.StreamHandler(os.Stderr, log.TerminalFormat(true))
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| 	hf := log.LvlFilterHandler(log.Lvl(*loglevel), hs)
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| 	h := log.CallerFileHandler(hf)
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| 	log.Root().SetHandler(h)
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| 
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| 	w = whisper.New(&whisper.DefaultConfig)
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| 	wapi = whisper.NewPublicWhisperAPI(w)
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| 	psses = make(map[string]*pss.Pss)
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| }
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| 
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| // Creates a client node and notifier node
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| // Client sends pss notifications requests
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| // notifier sends initial notification with symmetric key, and
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| // second notification symmetrically encrypted
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| func TestStart(t *testing.T) {
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| 	adapter := adapters.NewSimAdapter(newServices(false))
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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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| 	defer net.Shutdown()
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| 	leftNodeConf := adapters.RandomNodeConfig()
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| 	leftNodeConf.Services = []string{"bzz", "pss"}
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| 	leftNode, err := net.NewNodeWithConfig(leftNodeConf)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	err = net.Start(leftNode.ID())
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	rightNodeConf := adapters.RandomNodeConfig()
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| 	rightNodeConf.Services = []string{"bzz", "pss"}
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| 	rightNode, err := net.NewNodeWithConfig(rightNodeConf)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	err = net.Start(rightNode.ID())
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	err = net.Connect(rightNode.ID(), leftNode.ID())
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	leftRpc, err := leftNode.Client()
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	rightRpc, err := rightNode.Client()
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	var leftAddr string
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| 	err = leftRpc.Call(&leftAddr, "pss_baseAddr")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	var rightAddr string
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| 	err = rightRpc.Call(&rightAddr, "pss_baseAddr")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	var leftPub string
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| 	err = leftRpc.Call(&leftPub, "pss_getPublicKey")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	var rightPub string
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| 	err = rightRpc.Call(&rightPub, "pss_getPublicKey")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	rsrcName := "foo.eth"
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| 	rsrcTopic := pss.BytesToTopic([]byte(rsrcName))
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| 
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| 	// wait for kademlia table to populate
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| 	time.Sleep(time.Second)
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| 
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| 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
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| 	defer cancel()
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| 	rmsgC := make(chan *pss.APIMsg)
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| 	rightSub, err := rightRpc.Subscribe(ctx, "pss", rmsgC, "receive", controlTopic, false, false)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	defer rightSub.Unsubscribe()
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| 
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| 	updateC := make(chan []byte)
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| 	var updateMsg []byte
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| 	ctrlClient := NewController(psses[rightPub])
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| 	ctrlNotifier := NewController(psses[leftPub])
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| 	ctrlNotifier.NewNotifier("foo.eth", 2, updateC)
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| 
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| 	pubkeybytes, err := hexutil.Decode(leftPub)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	pubkey, err := crypto.UnmarshalPubkey(pubkeybytes)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	addrbytes, err := hexutil.Decode(leftAddr)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	copyOfUpdateMsg := make([]byte, len(updateMsg))
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| 	copy(copyOfUpdateMsg, updateMsg)
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| 	ctrlClientError := make(chan error, 1)
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| 	ctrlClient.Subscribe(rsrcName, pubkey, addrbytes, func(s string, b []byte) error {
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| 		if s != "foo.eth" || !bytes.Equal(copyOfUpdateMsg, b) {
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| 			ctrlClientError <- fmt.Errorf("unexpected result in client handler: '%s':'%x'", s, b)
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| 		} else {
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| 			log.Info("client handler receive", "s", s, "b", b)
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| 		}
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| 		return nil
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| 	})
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| 
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| 	var inMsg *pss.APIMsg
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| 	select {
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| 	case inMsg = <-rmsgC:
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| 	case err := <-ctrlClientError:
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| 		t.Fatal(err)
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| 	case <-ctx.Done():
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| 		t.Fatal(ctx.Err())
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| 	}
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| 
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| 	dMsg, err := NewMsgFromPayload(inMsg.Msg)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if dMsg.namestring != rsrcName {
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| 		t.Fatalf("expected name '%s', got '%s'", rsrcName, dMsg.namestring)
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| 	}
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| 	if !bytes.Equal(dMsg.Payload[:len(updateMsg)], updateMsg) {
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| 		t.Fatalf("expected payload first %d bytes '%x', got '%x'", len(updateMsg), updateMsg, dMsg.Payload[:len(updateMsg)])
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| 	}
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| 	if len(updateMsg)+symKeyLength != len(dMsg.Payload) {
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| 		t.Fatalf("expected payload length %d, have %d", len(updateMsg)+symKeyLength, len(dMsg.Payload))
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| 	}
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| 
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| 	rightSubUpdate, err := rightRpc.Subscribe(ctx, "pss", rmsgC, "receive", rsrcTopic, false, false)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	defer rightSubUpdate.Unsubscribe()
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| 
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| 	updateMsg = []byte("plugh")
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| 	updateC <- updateMsg
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| 	select {
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| 	case inMsg = <-rmsgC:
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| 	case <-ctx.Done():
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| 		log.Error("timed out waiting for msg", "topic", fmt.Sprintf("%x", rsrcTopic))
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| 		t.Fatal(ctx.Err())
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| 	}
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| 	dMsg, err = NewMsgFromPayload(inMsg.Msg)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if dMsg.namestring != rsrcName {
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| 		t.Fatalf("expected name %s, got %s", rsrcName, dMsg.namestring)
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| 	}
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| 	if !bytes.Equal(dMsg.Payload, updateMsg) {
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| 		t.Fatalf("expected payload '%x', got '%x'", updateMsg, dMsg.Payload)
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| 	}
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| 
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| }
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| 
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| func newServices(allowRaw bool) 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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| 			pssp := pss.NewPssParams().WithPrivateKey(privkey)
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| 			pssp.MsgTTL = time.Second * 30
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| 			pssp.AllowRaw = allowRaw
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| 			pskad := kademlia(ctx.Config.ID)
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| 			ps, err := pss.NewPss(pskad, pssp)
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| 			if err != nil {
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| 				return nil, err
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| 			}
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| 			//psses[common.ToHex(crypto.FromECDSAPub(&privkey.PublicKey))] = ps
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| 			psses[hexutil.Encode(crypto.FromECDSAPub(&privkey.PublicKey))] = ps
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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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