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swarm/network: Use different privatekey for bzz overlay in sim (#19313)

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* cmd/swarm, p2p, swarm: Enable ENR in binary/execadapter

* cmd/p2p/swarm: Remove comments + config.Enode nomarshal

* p2p/simulations: Remove superfluous error check

* p2p/simulation: Move init enode comment

* swarm, p2p/simulations, cmd/swarm: Use nodekey in binary record sign

* swarm/network, swarm/pss: Dervice bzzkey

* swarm/pss: Remove unused function

* swarm/network: Store swarm private key in simulation bucket

* swarm/pss: Shorten TextProxNetwork shortrunning test timeout

* swarm/pss: Increase prox test timeout

* swarm/pss: Increase timeout slightly on shortrunning proxtest

* swarm/network: Simplify bucket instantiation in servicectx func

* p2p/simulations: Tcpport -> udpport

* swarm/network, swarm/pss: Simplify + correct lock in servicefunc sim

* swarm/network: Cleanup after rebase on extract swarm enode new

* p2p/simulations, swarm/network: Make exec disc test pass

* swarm/network: Prune ye olde comment

* swarm/pss: Correct revised bzzkey method call

* swarm/network: Clarify comment about privatekey generation data

* swarm/pss: Fix syntax errors after rebase

* swarm/network: Rename misleadingly named method

(amend commit to trigger ci - attempt 5)
This commit is contained in:
lash 2019-03-22 21:37:25 +01:00 committed by Viktor Trón
parent 876f357364
commit 2f5b6cb442
6 changed files with 97 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
p2p/simulations/adapters/exec.go
View File

@ -411,14 +411,13 @@ func startExecNodeStack() (*node.Node, error) {
if err := json.Unmarshal([]byte(confEnv), &conf); err != nil {
return nil, fmt.Errorf("error decoding %s: %v", envNodeConfig, err)
}
// TODO verify that ListenAddr will contain the correct tcp addr
// if we should start using exec adapters with other host than local
// create enode record
nodeTcpConn, err := net.ResolveTCPAddr("tcp", conf.Stack.P2P.ListenAddr)
if err != nil {
conf.Node.initDummyEnode()
} else {
conf.Node.initEnode(nodeTcpConn.IP, nodeTcpConn.Port, nodeTcpConn.Port)
if nodeTcpConn.IP == nil {
nodeTcpConn.IP = net.IPv4(127, 0, 0, 1)
}
conf.Node.initEnode(nodeTcpConn.IP, nodeTcpConn.Port, nodeTcpConn.Port)
conf.Stack.P2P.PrivateKey = conf.Node.PrivateKey
conf.Stack.Logger = log.New("node.id", conf.Node.ID.String())

2
p2p/simulations/adapters/types.go
View File

@ -274,7 +274,7 @@ func (n *NodeConfig) initEnode(ip net.IP, tcpport int, udpport int) error {
n.Record.Set(&enrIp)
enrTcpPort := enr.TCP(tcpport)
n.Record.Set(&enrTcpPort)
enrUdpPort := enr.UDP(tcpport)
enrUdpPort := enr.UDP(udpport)
n.Record.Set(&enrUdpPort)
err := enode.SignV4(&n.Record, n.PrivateKey)

32
swarm/network/simulation/node.go
View File

@ -17,20 +17,28 @@
package simulation
import (
"bytes"
"context"
"crypto/ecdsa"
"encoding/json"
"errors"
"io/ioutil"
"math/rand"
"os"
"sync"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/swarm/network"
)
var (
BucketKeyBzzPrivateKey BucketKey = "bzzprivkey"
)
// NodeIDs returns NodeIDs for all nodes in the network.
func (s *Simulation) NodeIDs() (ids []enode.ID) {
nodes := s.Net.GetNodes()
@ -104,13 +112,15 @@ func (s *Simulation) AddNode(opts ...AddNodeOption) (id enode.ID, err error) {
// for now we have no way of setting bootnodes or lightnodes in sims
// so we just let them be set to false
// they should perhaps be possible to override them with AddNodeOption
enodeParams := &network.EnodeParams{
PrivateKey: conf.PrivateKey,
}
record, err := network.NewEnodeRecord(enodeParams)
bzzPrivateKey, err := BzzPrivateKeyFromConfig(conf)
if err != nil {
return enode.ID{}, err
}
enodeParams := &network.EnodeParams{
PrivateKey: bzzPrivateKey,
}
record, err := network.NewEnodeRecord(enodeParams)
conf.Record = *record
// Add the bzz address to the node config
@ -118,6 +128,8 @@ func (s *Simulation) AddNode(opts ...AddNodeOption) (id enode.ID, err error) {
if err != nil {
return id, err
}
s.buckets[node.ID()] = new(sync.Map)
s.SetNodeItem(node.ID(), BucketKeyBzzPrivateKey, bzzPrivateKey)
return node.ID(), s.Net.Start(node.ID())
}
@ -315,3 +327,15 @@ func (s *Simulation) StopRandomNodes(count int) (ids []enode.ID, err error) {
func init() {
rand.Seed(time.Now().UnixNano())
}
// derive a private key for swarm for the node key
// returns the private key used to generate the bzz key
func BzzPrivateKeyFromConfig(conf *adapters.NodeConfig) (*ecdsa.PrivateKey, error) {
// pad the seed key some arbitrary data as ecdsa.GenerateKey takes 40 bytes seed data
privKeyBuf := append(crypto.FromECDSA(conf.PrivateKey), []byte{0x62, 0x7a, 0x7a, 0x62, 0x7a, 0x7a, 0x62, 0x7a}...)
bzzPrivateKey, err := ecdsa.GenerateKey(crypto.S256(), bytes.NewReader(privKeyBuf))
if err != nil {
return nil, err
}
return bzzPrivateKey, nil
}

9
swarm/network/simulation/simulation.go
View File

@ -85,13 +85,16 @@ func New(services map[string]ServiceFunc) (s *Simulation) {
name, serviceFunc := name, serviceFunc
s.serviceNames = append(s.serviceNames, name)
adapterServices[name] = func(ctx *adapters.ServiceContext) (node.Service, error) {
b := new(sync.Map)
s.mu.Lock()
defer s.mu.Unlock()
b, ok := s.buckets[ctx.Config.ID]
if !ok {
b = new(sync.Map)
}
service, cleanup, err := serviceFunc(ctx, b)
if err != nil {
return nil, err
}
s.mu.Lock()
defer s.mu.Unlock()
if cleanup != nil {
s.cleanupFuncs = append(s.cleanupFuncs, cleanup)
}

1
swarm/network/simulations/discovery/discovery_test.go
View File

@ -131,7 +131,6 @@ func BenchmarkDiscovery_128_4(b *testing.B) { benchmarkDiscovery(b, 128, 4) }
func BenchmarkDiscovery_256_4(b *testing.B) { benchmarkDiscovery(b, 256, 4) }
func TestDiscoverySimulationExecAdapter(t *testing.T) {
t.Skip("This is left broken pending ENR preparations for swarm binary. Execadapter is not currently in use, so a short pause won't hurt")
testDiscoverySimulationExecAdapter(t, *nodeCount, *initCount)
}

81
swarm/pss/prox_test.go
View File

@ -2,6 +2,7 @@ package pss
import (
"context"
"crypto/ecdsa"
"encoding/binary"
"errors"
"fmt"
@ -88,7 +89,7 @@ func (d *testData) setDone() {
d.handlerDone = true
}
func getCmdParams(t *testing.T) (int, int) {
func getCmdParams(t *testing.T) (int, int, time.Duration) {
args := strings.Split(t.Name(), "/")
msgCount, err := strconv.ParseInt(args[2], 10, 16)
if err != nil {
@ -98,7 +99,12 @@ func getCmdParams(t *testing.T) (int, int) {
if err != nil {
t.Fatal(err)
}
return int(msgCount), int(nodeCount)
timeoutStr := fmt.Sprintf("%ss", args[3])
timeoutDur, err := time.ParseDuration(timeoutStr)
if err != nil {
t.Fatal(err)
}
return int(msgCount), int(nodeCount), timeoutDur
}
func newTestData() *testData {
@ -117,11 +123,27 @@ func newTestData() *testData {
}
}
func (d *testData) init(msgCount int) {
func (d *testData) getKademlia(nodeId *enode.ID) (*network.Kademlia, error) {
kadif, ok := d.sim.NodeItem(*nodeId, simulation.BucketKeyKademlia)
if !ok {
return nil, fmt.Errorf("no kademlia entry for %v", nodeId)
}
kad, ok := kadif.(*network.Kademlia)
if !ok {
return nil, fmt.Errorf("invalid kademlia entry for %v", nodeId)
}
return kad, nil
}
func (d *testData) init(msgCount int) error {
log.Debug("TestProxNetwork start")
for _, nodeId := range d.sim.NodeIDs() {
d.nodeAddrs[nodeId] = nodeIDToAddr(nodeId)
kad, err := d.getKademlia(&nodeId)
if err != nil {
return err
}
d.nodeAddrs[nodeId] = kad.BaseAddr()
}
for i := 0; i < int(msgCount); i++ {
@ -169,6 +191,7 @@ func (d *testData) init(msgCount int) {
log.Debug("nn for msg", "targets", len(d.recipients[i]), "msgidx", i, "msg", common.Bytes2Hex(msgAddr[:8]), "sender", d.senders[i], "senderpo", smallestPo)
}
log.Debug("msgs to receive", "count", d.requiredMessages)
return nil
}
// Here we test specific functionality of the pss, setting the prox property of
@ -190,7 +213,7 @@ func (d *testData) init(msgCount int) {
// nodes Y and Z will be considered required recipients of the msg,
// whereas nodes X, Y and Z will be allowed recipients.
func TestProxNetwork(t *testing.T) {
t.Run("16/16", testProxNetwork)
t.Run("16/16/15", testProxNetwork)
}
// params in run name: nodes/msgs
@ -198,29 +221,32 @@ func TestProxNetworkLong(t *testing.T) {
if !*longrunning {
t.Skip("run with --longrunning flag to run extensive network tests")
}
t.Run("8/100", testProxNetwork)
t.Run("16/100", testProxNetwork)
t.Run("32/100", testProxNetwork)
t.Run("64/100", testProxNetwork)
t.Run("128/100", testProxNetwork)
t.Run("8/100/30", testProxNetwork)
t.Run("16/100/30", testProxNetwork)
t.Run("32/100/60", testProxNetwork)
t.Run("64/100/60", testProxNetwork)
t.Run("128/100/120", testProxNetwork)
}
func testProxNetwork(t *testing.T) {
tstdata := newTestData()
msgCount, nodeCount := getCmdParams(t)
msgCount, nodeCount, timeout := getCmdParams(t)
handlerContextFuncs := make(map[Topic]handlerContextFunc)
handlerContextFuncs[topic] = nodeMsgHandler
services := newProxServices(tstdata, true, handlerContextFuncs, tstdata.kademlias)
tstdata.sim = simulation.New(services)
defer tstdata.sim.Close()
ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
filename := fmt.Sprintf("testdata/snapshot_%d.json", nodeCount)
err := tstdata.sim.UploadSnapshot(ctx, filename)
if err != nil {
t.Fatal(err)
}
tstdata.init(msgCount) // initialize the test data
err = tstdata.init(msgCount) // initialize the test data
if err != nil {
t.Fatal(err)
}
wrapper := func(c context.Context, _ *simulation.Simulation) error {
return testRoutine(tstdata, c)
}
@ -230,7 +256,7 @@ func testProxNetwork(t *testing.T) {
// however, it might just mean that not all possible messages are received
// now we must check if all required messages are received
cnt := tstdata.getMsgCount()
log.Debug("TestProxNetwork finnished", "rcv", cnt)
log.Debug("TestProxNetwork finished", "rcv", cnt)
if cnt < tstdata.requiredMessages {
t.Fatal(result.Error)
}
@ -354,7 +380,7 @@ func nodeMsgHandler(tstdata *testData, config *adapters.NodeConfig) *handler {
// replaces pss_test.go when those tests are rewritten to the new swarm/network/simulation package
func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[Topic]handlerContextFunc, kademlias map[enode.ID]*network.Kademlia) map[string]simulation.ServiceFunc {
stateStore := state.NewInmemoryStore()
kademlia := func(id enode.ID) *network.Kademlia {
kademlia := func(id enode.ID, bzzkey []byte) *network.Kademlia {
if k, ok := kademlias[id]; ok {
return k
}
@ -364,17 +390,24 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
params.MaxRetries = 1000
params.RetryExponent = 2
params.RetryInterval = 1000000
kademlias[id] = network.NewKademlia(id[:], params)
kademlias[id] = network.NewKademlia(bzzkey, params)
return kademlias[id]
}
return map[string]simulation.ServiceFunc{
"bzz": func(ctx *adapters.ServiceContext, b *sync.Map) (node.Service, func(), error) {
var err error
var bzzPrivateKey *ecdsa.PrivateKey
// normally translation of enode id to swarm address is concealed by the network package
// however, we need to keep track of it in the test driver as well.
// if the translation in the network package changes, that can cause these tests to unpredictably fail
// therefore we keep a local copy of the translation here
addr := network.NewAddr(ctx.Config.Node())
addr.OAddr = nodeIDToAddr(ctx.Config.Node().ID())
bzzPrivateKey, err = simulation.BzzPrivateKeyFromConfig(ctx.Config)
if err != nil {
return nil, nil, err
}
addr.OAddr = network.PrivateKeyToBzzKey(bzzPrivateKey)
b.Store(simulation.BucketKeyBzzPrivateKey, bzzPrivateKey)
hp := network.NewHiveParams()
hp.Discovery = false
config := &network.BzzConfig{
@ -382,7 +415,7 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
UnderlayAddr: addr.Under(),
HiveParams: hp,
}
return network.NewBzz(config, kademlia(ctx.Config.ID), stateStore, nil, nil), nil, nil
return network.NewBzz(config, kademlia(ctx.Config.ID, addr.OAddr), stateStore, nil, nil), nil, nil
},
"pss": func(ctx *adapters.ServiceContext, b *sync.Map) (node.Service, func(), error) {
// execadapter does not exec init()
@ -395,7 +428,12 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
privkey, err := w.GetPrivateKey(keys)
pssp := NewPssParams().WithPrivateKey(privkey)
pssp.AllowRaw = allowRaw
pskad := kademlia(ctx.Config.ID)
bzzPrivateKey, err := simulation.BzzPrivateKeyFromConfig(ctx.Config)
if err != nil {
return nil, nil, err
}
bzzKey := network.PrivateKeyToBzzKey(bzzPrivateKey)
pskad := kademlia(ctx.Config.ID, bzzKey)
ps, err := NewPss(pskad, pssp)
if err != nil {
return nil, nil, err
@ -433,8 +471,3 @@ func newProxServices(tstdata *testData, allowRaw bool, handlerContextFuncs map[T
},
}
}
// makes sure we create the addresses the same way in driver and service setup
func nodeIDToAddr(id enode.ID) []byte {
return id.Bytes()
}