feat: supporting peer exchange with nwaku (#5983)

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gabrielmer 2024-10-25 11:03:07 +03:00 committed by GitHub
parent ed5a9aa46f
commit 8c4c876de6
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3 changed files with 220 additions and 20 deletions

2
third_party/nwaku vendored

@ -1 +1 @@
Subproject commit c5a825e206c1cb3e6e0cf8c01410527804cb76c4
Subproject commit de11e576f4b69b63b4135cfb9549ef15cdc1ad34

View File

@ -208,6 +208,10 @@ package wakuv2
WAKU_CALL (waku_get_my_enr(ctx, (WakuCallBack) callback, resp) );
}
static void cGoWakuGetMyPeerId(void* ctx, void* resp) {
WAKU_CALL (waku_get_my_peerid(ctx, (WakuCallBack) callback, resp) );
}
static void cGoWakuListPeersInMesh(void* ctx, char* pubSubTopic, void* resp) {
WAKU_CALL (waku_relay_get_num_peers_in_mesh(ctx, pubSubTopic, (WakuCallBack) callback, resp) );
}
@ -216,6 +220,10 @@ package wakuv2
WAKU_CALL (waku_relay_get_num_connected_peers(ctx, pubSubTopic, (WakuCallBack) callback, resp) );
}
static void cGoWakuGetPeerIdsFromPeerStore(void* wakuCtx, void* resp) {
WAKU_CALL (waku_get_peerids_from_peerstore(wakuCtx, (WakuCallBack) callback, resp) );
}
static void cGoWakuLightpushPublish(void* wakuCtx,
const char* pubSubTopic,
const char* jsonWakuMessage,
@ -380,8 +388,12 @@ type WakuConfig struct {
Staticnodes []string `json:"staticnodes,omitempty"`
Discv5BootstrapNodes []string `json:"discv5BootstrapNodes,omitempty"`
Discv5Discovery bool `json:"discv5Discovery,omitempty"`
Discv5UdpPort uint16 `json:"discv5UdpPort,omitempty"`
ClusterID uint16 `json:"clusterId,omitempty"`
Shards []uint16 `json:"shards,omitempty"`
PeerExchange bool `json:"peerExchange,omitempty"`
PeerExchangeNode string `json:"peerExchangeNode,omitempty"`
TcpPort uint16 `json:"tcpPort,omitempty"`
}
// Waku represents a dark communication interface through the Ethereum
@ -497,9 +509,11 @@ func New(nodeKey *ecdsa.PrivateKey, fleet string, cfg *Config, nwakuCfg *WakuCon
return nil, err
}
err = node.WakuRelaySubscribe(defaultPubsubTopic)
if err != nil {
return nil, err
if nwakuCfg.EnableRelay {
err = node.WakuRelaySubscribe(defaultPubsubTopic)
if err != nil {
return nil, err
}
}
node.WakuSetEventCallback()
@ -2191,10 +2205,23 @@ func (w *Waku) Clean() error {
return nil
}
// TODO-nwaku
func (w *Waku) PeerID() peer.ID {
// return w.node.Host().ID()
return ""
func (w *Waku) PeerID() (peer.ID, error) {
var resp = C.allocResp()
defer C.freeResp(resp)
C.cGoWakuGetMyPeerId(w.wakuCtx, resp)
if C.getRet(resp) == C.RET_OK {
peerIdStr := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
id, err := peer.Decode(peerIdStr)
if err != nil {
errMsg := "WakuGetMyPeerId - decoding peerId: %w"
return "", fmt.Errorf(errMsg, err)
}
return id, nil
}
errMsg := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
return "", fmt.Errorf("WakuGetMyPeerId: %s", errMsg)
}
// validatePrivateKey checks the format of the given private key.
@ -2609,18 +2636,21 @@ func wakuStoreQuery(
return "", errors.New(errMsg)
}
func (self *Waku) WakuPeerExchangeRequest(numPeers uint64) (string, error) {
func (self *Waku) WakuPeerExchangeRequest(numPeers uint64) (uint64, error) {
var resp = C.allocResp()
defer C.freeResp(resp)
C.cGoWakuPeerExchangeQuery(self.wakuCtx, C.uint64_t(numPeers), resp)
if C.getRet(resp) == C.RET_OK {
msg := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
return msg, nil
numRecvPeersStr := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
numRecvPeers, err := strconv.ParseUint(numRecvPeersStr, 10, 64)
if err != nil {
return 0, err
}
return numRecvPeers, nil
}
errMsg := "error WakuPeerExchangeRequest: " +
C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
return "", errors.New(errMsg)
errMsg := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
return 0, fmt.Errorf("WakuPeerExchangeRequest: %s", errMsg)
}
func (self *Waku) WakuConnect(peerMultiAddr string, timeoutMs int) error {
@ -2753,6 +2783,34 @@ func (self *Waku) GetNumConnectedPeers(paramPubsubTopic ...string) (int, error)
return 0, errors.New(errMsg)
}
func (self *Waku) GetPeerIdsFromPeerStore() (peer.IDSlice, error) {
var resp = C.allocResp()
defer C.freeResp(resp)
C.cGoWakuGetPeerIdsFromPeerStore(self.wakuCtx, resp)
if C.getRet(resp) == C.RET_OK {
peersStr := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
if peersStr == "" {
return peer.IDSlice{}, nil
}
// peersStr contains a comma-separated list of peer ids
itemsPeerIds := strings.Split(peersStr, ",")
var peers peer.IDSlice
for _, peerId := range itemsPeerIds {
id, err := peer.Decode(peerId)
if err != nil {
return nil, fmt.Errorf("GetPeerIdsFromPeerStore - decoding peerId: %w", err)
}
peers = append(peers, id)
}
return peers, nil
}
errMsg := C.GoStringN(C.getMyCharPtr(resp), C.int(C.getMyCharLen(resp)))
return nil, fmt.Errorf("GetPeerIdsFromPeerStore: %s", errMsg)
}
func (self *Waku) GetPeerIdsByProtocol(protocol string) (peer.IDSlice, error) {
var resp = C.allocResp()
var cProtocol = C.CString(protocol)
@ -2773,8 +2831,7 @@ func (self *Waku) GetPeerIdsByProtocol(protocol string) (peer.IDSlice, error) {
for _, p := range itemsPeerIds {
id, err := peer.Decode(p)
if err != nil {
errMsg := "GetPeerIdsByProtocol - error converting string to int: " + err.Error()
return nil, errors.New(errMsg)
return nil, fmt.Errorf("GetPeerIdsByProtocol - decoding peerId: %w", err)
}
peers = append(peers, id)
}

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@ -13,6 +13,7 @@ import (
"github.com/cenkalti/backoff/v3"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/waku-org/go-waku/waku/v2/protocol/store"
"go.uber.org/zap"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
@ -155,7 +156,7 @@ func parseNodes(rec []string) []*enode.Node {
// IP_ADDRESS=$(hostname -I | awk '{print $1}');
// docker run \
// -p 61000:61000/tcp -p 8000:8000/udp -p 8646:8646/tcp harbor.status.im/wakuorg/nwaku:v0.33.0 \
// --discv5-discovery=true --cluster-id=16 --log-level=DEBUG \
// --discv5-discovery=true --cluster-id=16 --log-level=DEBUG --shard=64 --tcp-port=61000 \
// --nat=extip:${IP_ADDRESS} --discv5-udp-port=8000 --rest-address=0.0.0.0 --store --rest-port=8646 \
func TestBasicWakuV2(t *testing.T) {
@ -195,7 +196,6 @@ func TestBasicWakuV2(t *testing.T) {
// Sanity check, not great, but it's probably helpful
err = tt.RetryWithBackOff(func() error {
numConnected, err := w.GetNumConnectedPeers()
if err != nil {
return err
@ -323,10 +323,151 @@ func makeTestTree(domain string, nodes []*enode.Node, links []string) (*ethdnsdi
return tree, url
}
/*
func TestPeerExchange(t *testing.T) {
logger, err := zap.NewDevelopment()
require.NoError(t, err)
discV5NodeConfig := Config{
UseThrottledPublish: true,
ClusterID: 16,
}
// start node that will be discovered by PeerExchange
discV5NodeWakuConfig := WakuConfig{
EnableRelay: true,
LogLevel: "DEBUG",
Discv5Discovery: true,
ClusterID: 16,
Shards: []uint16{64},
PeerExchange: false,
Discv5UdpPort: 9001,
TcpPort: 60010,
}
discV5Node, err := New(nil, "", &discV5NodeConfig, &discV5NodeWakuConfig, logger.Named("discV5Node"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, discV5Node.Start())
time.Sleep(1 * time.Second)
discV5NodePeerId, err := discV5Node.PeerID()
require.NoError(t, err)
discv5NodeEnr, err := discV5Node.ENR()
require.NoError(t, err)
pxServerConfig := Config{
UseThrottledPublish: true,
ClusterID: 16,
}
// start node which serves as PeerExchange server
pxServerWakuConfig := WakuConfig{
EnableRelay: true,
LogLevel: "DEBUG",
Discv5Discovery: true,
ClusterID: 16,
Shards: []uint16{64},
PeerExchange: true,
Discv5UdpPort: 9000,
Discv5BootstrapNodes: []string{discv5NodeEnr.String()},
TcpPort: 60011,
}
pxServerNode, err := New(nil, "", &pxServerConfig, &pxServerWakuConfig, logger.Named("pxServerNode"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, pxServerNode.Start())
// Adding an extra second to make sure PX cache is not empty
time.Sleep(2 * time.Second)
serverNodeMa, err := pxServerNode.ListenAddresses()
require.NoError(t, err)
require.NotNil(t, serverNodeMa)
// Sanity check, not great, but it's probably helpful
options := func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 30 * time.Second
}
// Check that pxServerNode has discV5Node in its Peer Store
err = tt.RetryWithBackOff(func() error {
peers, err := pxServerNode.GetPeerIdsFromPeerStore()
if err != nil {
return err
}
if slices.Contains(peers, discV5NodePeerId) {
return nil
}
return errors.New("pxServer is missing the discv5 node in its peer store")
}, options)
require.NoError(t, err)
pxClientConfig := Config{
UseThrottledPublish: true,
ClusterID: 16,
}
// start light node which uses PeerExchange to discover peers
pxClientWakuConfig := WakuConfig{
EnableRelay: false,
LogLevel: "DEBUG",
Discv5Discovery: false,
ClusterID: 16,
Shards: []uint16{64},
PeerExchange: true,
Discv5UdpPort: 9002,
TcpPort: 60012,
PeerExchangeNode: serverNodeMa[0].String(),
}
lightNode, err := New(nil, "", &pxClientConfig, &pxClientWakuConfig, logger.Named("lightNode"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, lightNode.Start())
time.Sleep(1 * time.Second)
pxServerPeerId, err := pxServerNode.PeerID()
require.NoError(t, err)
// Check that the light node discovered the discV5Node and has both nodes in its peer store
err = tt.RetryWithBackOff(func() error {
peers, err := lightNode.GetPeerIdsFromPeerStore()
if err != nil {
return err
}
if slices.Contains(peers, discV5NodePeerId) && slices.Contains(peers, pxServerPeerId) {
return nil
}
return errors.New("lightnode is missing peers")
}, options)
require.NoError(t, err)
// Now perform the PX request manually to see if it also works
err = tt.RetryWithBackOff(func() error {
numPeersReceived, err := lightNode.WakuPeerExchangeRequest(1)
if err != nil {
return err
}
if numPeersReceived == 1 {
return nil
}
return errors.New("Peer Exchange is not returning peers")
}, options)
require.NoError(t, err)
// Stop nodes
require.NoError(t, lightNode.Stop())
require.NoError(t, pxServerNode.Stop())
require.NoError(t, discV5Node.Stop())
/* logger, err := zap.NewDevelopment()
require.NoError(t, err)
// start node which serve as PeerExchange server
config := &Config{}
config.ClusterID = 16
@ -401,9 +542,11 @@ func TestPeerExchange(t *testing.T) {
require.NoError(t, lightNode.Stop())
require.NoError(t, pxServerNode.Stop())
require.NoError(t, discV5Node.Stop())
require.NoError(t, discV5Node.Stop()) */
}
/*
func TestWakuV2Filter(t *testing.T) {
t.Skip("flaky test")