libp2p stub that can find peers on a private network
Test Plan: go run github.com/certusone/wormhole/bridge/cmd/guardiand -network wormhole-dev -port 9000 & go run github.com/certusone/wormhole/bridge/cmd/guardiand -network wormhole-dev -bootstrap /ip4/127.0.0.1/udp/9000/quic/p2p/<id> -port 9001
This commit is contained in:
parent
39eb919aaa
commit
dd8b2ade81
|
@ -0,0 +1,181 @@
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"flag"
|
||||||
|
"fmt"
|
||||||
|
"os"
|
||||||
|
"strings"
|
||||||
|
"time"
|
||||||
|
|
||||||
|
"github.com/libp2p/go-libp2p-core/protocol"
|
||||||
|
"github.com/multiformats/go-multiaddr"
|
||||||
|
"go.uber.org/zap"
|
||||||
|
|
||||||
|
"github.com/certusone/wormhole/bridge/pkg/supervisor"
|
||||||
|
|
||||||
|
ipfslog "github.com/ipfs/go-log/v2"
|
||||||
|
"github.com/libp2p/go-libp2p"
|
||||||
|
connmgr "github.com/libp2p/go-libp2p-connmgr"
|
||||||
|
"github.com/libp2p/go-libp2p-core/crypto"
|
||||||
|
"github.com/libp2p/go-libp2p-core/host"
|
||||||
|
"github.com/libp2p/go-libp2p-core/peer"
|
||||||
|
"github.com/libp2p/go-libp2p-core/routing"
|
||||||
|
dht "github.com/libp2p/go-libp2p-kad-dht"
|
||||||
|
pubsub "github.com/libp2p/go-libp2p-pubsub"
|
||||||
|
libp2pquic "github.com/libp2p/go-libp2p-quic-transport"
|
||||||
|
libp2ptls "github.com/libp2p/go-libp2p-tls"
|
||||||
|
)
|
||||||
|
|
||||||
|
var (
|
||||||
|
p2pNetworkID = flag.String("network", "/wormhole/dev", "P2P network identifier")
|
||||||
|
p2pPort = flag.Uint("port", 8999, "P2P UDP listener port")
|
||||||
|
p2pBootstrap = flag.String("bootstrap", "", "P2P bootstrap peers (comma-separated)")
|
||||||
|
logLevel = flag.String("loglevel", "info", "Logging level (debug, info, warn, error, dpanic, panic, fatal)")
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
flag.Parse()
|
||||||
|
|
||||||
|
// Set up logging. The go-log zap wrapper that libp2p uses is compatible with our
|
||||||
|
// usage of zap in supervisor, which is nice.
|
||||||
|
lvl, err := ipfslog.LevelFromString(*logLevel)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println("Invalid log level")
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Our root logger.
|
||||||
|
logger := ipfslog.Logger("wormhole")
|
||||||
|
|
||||||
|
// Override the default go-log config, which uses a magic environment variable.
|
||||||
|
ipfslog.SetAllLoggers(lvl)
|
||||||
|
|
||||||
|
// Mute chatty subsystems.
|
||||||
|
ipfslog.SetLogLevel("swarm2", "error") // connection errors
|
||||||
|
|
||||||
|
// Node's main lifecycle context.
|
||||||
|
ctx, cancel := context.WithCancel(context.Background())
|
||||||
|
defer cancel()
|
||||||
|
|
||||||
|
// Run supervisor.
|
||||||
|
supervisor.New(ctx, logger.Desugar(), func(ctx context.Context) error {
|
||||||
|
if err := supervisor.Run(ctx, "p2p", p2p); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
supervisor.Signal(ctx, supervisor.SignalHealthy)
|
||||||
|
logger.Info("Created services")
|
||||||
|
|
||||||
|
select {}
|
||||||
|
}, supervisor.WithPropagatePanic) // TODO(leo): only propagate panics in debug mode
|
||||||
|
|
||||||
|
select {}
|
||||||
|
}
|
||||||
|
|
||||||
|
func p2p(ctx context.Context) error {
|
||||||
|
logger := supervisor.Logger(ctx)
|
||||||
|
|
||||||
|
// TODO(leo): persist the key
|
||||||
|
priv, _, err := crypto.GenerateKeyPair(crypto.Ed25519, -1)
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
var idht *dht.IpfsDHT
|
||||||
|
|
||||||
|
h, err := libp2p.New(ctx,
|
||||||
|
// Use the keypair we generated
|
||||||
|
libp2p.Identity(priv),
|
||||||
|
// Multiple listen addresses
|
||||||
|
libp2p.ListenAddrStrings(
|
||||||
|
// Listen on QUIC only.
|
||||||
|
// TODO(leo): listen on ipv6
|
||||||
|
// TODO(leo): is this more or less stable than using both TCP and QUIC transports?
|
||||||
|
// https://github.com/libp2p/go-libp2p/issues/688
|
||||||
|
fmt.Sprintf("/ip4/0.0.0.0/udp/%d/quic", *p2pPort),
|
||||||
|
),
|
||||||
|
|
||||||
|
// Enable TLS security only.
|
||||||
|
libp2p.Security(libp2ptls.ID, libp2ptls.New),
|
||||||
|
|
||||||
|
// Enable QUIC transports.
|
||||||
|
libp2p.Transport(libp2pquic.NewTransport),
|
||||||
|
|
||||||
|
// Enable TCP so we can connect to bootstrap nodes.
|
||||||
|
// (can be disabled if we bootstrap our own network)
|
||||||
|
libp2p.DefaultTransports,
|
||||||
|
|
||||||
|
// Let's prevent our peer from having too many
|
||||||
|
// connections by attaching a connection manager.
|
||||||
|
libp2p.ConnectionManager(connmgr.NewConnManager(
|
||||||
|
100, // Lowwater
|
||||||
|
400, // HighWater,
|
||||||
|
time.Minute, // GracePeriod
|
||||||
|
)),
|
||||||
|
|
||||||
|
// Let this host use the DHT to find other hosts
|
||||||
|
libp2p.Routing(func(h host.Host) (routing.PeerRouting, error) {
|
||||||
|
// TODO(leo): Persistent data store (i.e. address book)
|
||||||
|
idht, err = dht.New(ctx, h, dht.Mode(dht.ModeServer),
|
||||||
|
// TODO(leo): This intentionally makes us incompatible with the global IPFS DHT
|
||||||
|
dht.ProtocolPrefix(protocol.ID("/"+*p2pNetworkID)),
|
||||||
|
)
|
||||||
|
return idht, err
|
||||||
|
}),
|
||||||
|
)
|
||||||
|
defer h.Close()
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
logger.Info("Connecting to bootstrap peers")
|
||||||
|
// TODO(leo): use our own bootstrap peers rather than the IPFS ones so we have a dedicated network
|
||||||
|
//for _, addr := range dht.DefaultBootstrapPeers {
|
||||||
|
// pi, _ := peer.AddrInfoFromP2pAddr(addr)
|
||||||
|
// // We ignore errors as some bootstrap peers may be down and that is fine.
|
||||||
|
// _ = h.Connect(ctx, *pi)
|
||||||
|
//}
|
||||||
|
|
||||||
|
// Add our own bootstrap nodes
|
||||||
|
for _, addr := range strings.Split(*p2pBootstrap, ",") {
|
||||||
|
if addr == "" {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
ma, err := multiaddr.NewMultiaddr(addr)
|
||||||
|
if err != nil {
|
||||||
|
logger.Error("Invalid bootstrap address", zap.String("peer", addr), zap.Error(err))
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
pi, err := peer.AddrInfoFromP2pAddr(ma)
|
||||||
|
if err != nil {
|
||||||
|
logger.Error("Invalid bootstrap address", zap.String("peer", addr), zap.Error(err))
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
if err = h.Connect(ctx, *pi); err != nil {
|
||||||
|
logger.Error("Failed to connect to bootstrap peer", zap.String("peer", addr), zap.Error(err))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
topic := fmt.Sprintf("%s/%s", *p2pNetworkID, "broadcast")
|
||||||
|
|
||||||
|
logger.Info("Subscribing pubsub topic", zap.String("topic", topic))
|
||||||
|
ps, err := pubsub.NewGossipSub(ctx, h)
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
logger.Info("Node has been started", zap.String("peer_id", h.ID().String()),
|
||||||
|
zap.String("addrs", fmt.Sprintf("%v", h.Addrs())))
|
||||||
|
|
||||||
|
for {
|
||||||
|
time.Sleep(1 * time.Second)
|
||||||
|
for _, p := range ps.ListPeers(topic) {
|
||||||
|
logger.Debug("Found pubsub peer", zap.String("peer_id", p.Pretty()))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
select {}
|
||||||
|
}
|
|
@ -0,0 +1,19 @@
|
||||||
|
module github.com/certusone/wormhole/bridge
|
||||||
|
|
||||||
|
go 1.14
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/cenkalti/backoff/v4 v4.0.2
|
||||||
|
github.com/ipfs/go-log v1.0.4
|
||||||
|
github.com/ipfs/go-log/v2 v2.1.1
|
||||||
|
github.com/libp2p/go-libp2p v0.10.2
|
||||||
|
github.com/libp2p/go-libp2p-connmgr v0.2.4
|
||||||
|
github.com/libp2p/go-libp2p-core v0.6.1
|
||||||
|
github.com/libp2p/go-libp2p-kad-dht v0.8.3
|
||||||
|
github.com/libp2p/go-libp2p-pubsub v0.3.3
|
||||||
|
github.com/libp2p/go-libp2p-quic-transport v0.7.1
|
||||||
|
github.com/libp2p/go-libp2p-tls v0.1.3
|
||||||
|
github.com/multiformats/go-multiaddr v0.2.2
|
||||||
|
go.uber.org/zap v1.15.0
|
||||||
|
google.golang.org/grpc v1.31.0
|
||||||
|
)
|
Loading…
Reference in New Issue