go-waku/waku/v2/utils/enr_test.go
2023-02-01 21:11:16 -04:00

125 lines
4.0 KiB
Go

package utils
import (
"encoding/binary"
"errors"
"fmt"
"math"
"net"
"testing"
gcrypto "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/enr"
ma "github.com/multiformats/go-multiaddr"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
)
func TestEnodeToMultiAddr(t *testing.T) {
enr := "enr:-IS4QAmC_o1PMi5DbR4Bh4oHVyQunZblg4bTaottPtBodAhJZvxVlWW-4rXITPNg4mwJ8cW__D9FBDc9N4mdhyMqB-EBgmlkgnY0gmlwhIbRi9KJc2VjcDI1NmsxoQOevTdO6jvv3fRruxguKR-3Ge4bcFsLeAIWEDjrfaigNoN0Y3CCdl8"
parsedNode := enode.MustParse(enr)
expectedMultiAddr := "/ip4/134.209.139.210/tcp/30303/p2p/16Uiu2HAmPLe7Mzm8TsYUubgCAW1aJoeFScxrLj8ppHFivPo97bUZ"
actualMultiAddr, err := enodeToMultiAddr(parsedNode)
require.NoError(t, err)
require.Equal(t, expectedMultiAddr, actualMultiAddr.String())
}
// TODO: this function is duplicated in localnode.go. Extract to utils
func updateLocalNode(localnode *enode.LocalNode, multiaddrs []ma.Multiaddr, ipAddr *net.TCPAddr, udpPort uint, wakuFlags WakuEnrBitfield, advertiseAddr *net.IP, shouldAutoUpdate bool, log *zap.Logger) error {
localnode.SetFallbackUDP(int(udpPort))
localnode.Set(enr.WithEntry(WakuENRField, wakuFlags))
localnode.SetFallbackIP(net.IP{127, 0, 0, 1})
if udpPort > math.MaxUint16 {
return errors.New("invalid udp port number")
}
if advertiseAddr != nil {
// An advertised address disables libp2p address updates
// and discv5 predictions
localnode.SetStaticIP(*advertiseAddr)
localnode.Set(enr.TCP(uint16(ipAddr.Port))) // TODO: ipv6?
} else if !shouldAutoUpdate {
// We received a libp2p address update. Autoupdate is disabled
// Using a static ip will disable endpoint prediction.
localnode.SetStaticIP(ipAddr.IP)
localnode.Set(enr.TCP(uint16(ipAddr.Port))) // TODO: ipv6?
} else {
// We received a libp2p address update, but we should still
// allow discv5 to update the enr record. We set the localnode
// keys manually. It's possible that the ENR record might get
// updated automatically
ip4 := ipAddr.IP.To4()
ip6 := ipAddr.IP.To16()
if ip4 != nil && !ip4.IsUnspecified() {
localnode.Set(enr.IPv4(ip4))
localnode.Set(enr.TCP(uint16(ipAddr.Port)))
} else {
localnode.Delete(enr.IPv4{})
localnode.Delete(enr.TCP(0))
}
if ip6 != nil && !ip6.IsUnspecified() {
localnode.Set(enr.IPv6(ip6))
localnode.Set(enr.TCP6(ipAddr.Port))
} else {
localnode.Delete(enr.IPv6{})
localnode.Delete(enr.TCP6(0))
}
}
// Adding extra multiaddresses
var fieldRaw []byte
for _, addr := range multiaddrs {
maRaw := addr.Bytes()
maSize := make([]byte, 2)
binary.BigEndian.PutUint16(maSize, uint16(len(maRaw)))
fieldRaw = append(fieldRaw, maSize...)
fieldRaw = append(fieldRaw, maRaw...)
}
if len(fieldRaw) != 0 {
localnode.Set(enr.WithEntry(MultiaddrENRField, fieldRaw))
}
return nil
}
func TestMultiaddr(t *testing.T) {
key, _ := gcrypto.GenerateKey()
wakuFlag := NewWakuEnrBitfield(true, true, true, true)
//wss, _ := ma.NewMultiaddr("/dns4/www.somedomainname.com/tcp/443/wss")
circuit1, _ := ma.NewMultiaddr("/dns4/node-02.gc-us-central1-a.status.prod.statusim.net/tcp/30303/p2p/16Uiu2HAmDQugwDHM3YeUp86iGjrUvbdw3JPRgikC7YoGBsT2ymMg/p2p-circuit")
circuit2, _ := ma.NewMultiaddr("/dns4/node-01.gc-us-central1-a.status.prod.statusim.net/tcp/30303/p2p/16Uiu2HAmDQugwDHM3YeUp86iGjrUvbdw3JPRgikC7YoGBsT2ymMg/p2p-circuit")
multiaddrValues := []ma.Multiaddr{
//wss,
circuit1,
circuit2,
}
db, _ := enode.OpenDB("")
localNode := enode.NewLocalNode(db, key)
err := updateLocalNode(localNode, multiaddrValues, &net.TCPAddr{IP: net.IPv4(192, 168, 1, 241), Port: 60000}, 50000, wakuFlag, nil, false, Logger())
if err != nil {
fmt.Println("ERROR WRITING ENR", err)
} else {
fmt.Println("==========================================")
fmt.Println(localNode.Node())
fmt.Println("==========================================")
multiaddresses, err := Multiaddress(localNode.Node())
require.NoError(t, err)
for _, a := range multiaddresses {
fmt.Println(a)
}
}
}