package discovery import ( "net" "testing" "time" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/p2p/discv5" "github.com/ethereum/go-ethereum/p2p/enode" "github.com/ethereum/go-ethereum/p2p/enr" lcrypto "github.com/libp2p/go-libp2p-crypto" ma "github.com/multiformats/go-multiaddr" "github.com/status-im/rendezvous/server" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/syndtr/goleveldb/leveldb" "github.com/syndtr/goleveldb/leveldb/storage" ) func makeTestRendezvousServer(t *testing.T, addr string) *server.Server { priv, _, err := lcrypto.GenerateKeyPair(lcrypto.Secp256k1, 0) require.NoError(t, err) laddr, err := ma.NewMultiaddr(addr) require.NoError(t, err) db, err := leveldb.Open(storage.NewMemStorage(), nil) require.NoError(t, err) srv := server.NewServer(laddr, priv, server.NewStorage(db)) require.NoError(t, srv.Start()) return srv } func TestRendezvousDiscovery(t *testing.T) { srv := makeTestRendezvousServer(t, "/ip4/127.0.0.1/tcp/7777") defer srv.Stop() identity, err := crypto.GenerateKey() require.NoError(t, err) node := enode.NewV4(&identity.PublicKey, net.IP{10, 10, 10, 10}, 10, 20) c, err := NewRendezvous([]ma.Multiaddr{srv.Addr()}, identity, node) require.NoError(t, err) require.NoError(t, c.Start()) require.True(t, c.Running()) topic := "test" stop := make(chan struct{}) go func() { assert.NoError(t, c.Register(topic, stop)) }() period := make(chan time.Duration, 1) period <- 100 * time.Millisecond found := make(chan *discv5.Node, 1) lookup := make(chan bool) go func() { assert.NoError(t, c.Discover(topic, period, found, lookup)) }() select { case n := <-found: assert.Equal(t, discv5.PubkeyID(&identity.PublicKey), n.ID) case <-time.After(10 * time.Second): assert.Fail(t, "failed waiting to discover a node") } close(stop) close(period) } func TestMakeRecordReturnsCachedRecord(t *testing.T) { identity, err := crypto.GenerateKey() require.NoError(t, err) record := enr.Record{} require.NoError(t, enode.SignV4(&record, identity)) c := NewRendezvousWithENR(nil, record) rst, err := c.MakeRecord() require.NoError(t, err) require.NotNil(t, enode.V4ID{}.NodeAddr(&rst)) require.Equal(t, enode.V4ID{}.NodeAddr(&record), enode.V4ID{}.NodeAddr(&rst)) } func TestRendezvousRegisterAndDiscoverExitGracefully(t *testing.T) { r, err := NewRendezvous(make([]ma.Multiaddr, 1), nil, nil) require.NoError(t, err) require.NoError(t, r.Start()) require.NoError(t, r.Stop()) require.EqualError(t, errDiscoveryIsStopped, r.register("", enr.Record{}).Error()) _, err = r.discoverRequest(nil, "") require.EqualError(t, errDiscoveryIsStopped, err.Error()) } func BenchmarkRendezvousStart(b *testing.B) { identity, err := crypto.GenerateKey() require.NoError(b, err) addr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/7777") require.NoError(b, err) node := enode.NewV4(&identity.PublicKey, net.IP{10, 10, 10, 10}, 10, 20) b.ResetTimer() for n := 0; n < b.N; n++ { c, err := NewRendezvous([]ma.Multiaddr{addr}, identity, node) require.NoError(b, err) require.NoError(b, c.Start()) } }