op-node: static-peers test

op-node/p2p/host.go

@@ -236,7 +236,7 @@ func (conf *Config) Host(log log.Logger, reporter metrics.Reporter, metrics Host
 			return nil, fmt.Errorf("bad peer address: %w", err)
 		}
 		if addr.ID == h.ID() {
-			log.Info("Static-peer list contains address of local peer, ignoring the address.", "address", addr)
+			log.Info("Static-peer list contains address of local peer, ignoring the address.", "peer_id", addr.ID, "addrs", addr.Addrs)
 			continue
 		}
 		staticPeers = append(staticPeers, addr)

op-node/p2p/host_test.go

@@ -15,6 +15,7 @@ import (
 	"github.com/libp2p/go-libp2p/core/network"
 	"github.com/libp2p/go-libp2p/core/peer"
 	mocknet "github.com/libp2p/go-libp2p/p2p/net/mock"
+	ma "github.com/multiformats/go-multiaddr"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/exp/slices"
 
@@ -139,6 +140,13 @@ func TestP2PFull(t *testing.T) {
 	confB.StaticPeers, err = peer.AddrInfoToP2pAddrs(&peer.AddrInfo{ID: hostA.ID(), Addrs: hostA.Addrs()})
 	require.NoError(t, err)
 
+	// Add address of host B itself, it shouldn't connect or cause issues.
+	idB, err := peer.IDFromPublicKey(confB.Priv.GetPublic())
+	require.NoError(t, err)
+	altAddrB, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/12345/p2p/" + idB.String())
+	require.NoError(t, err)
+	confB.StaticPeers = append(confB.StaticPeers, altAddrB)
+
 	logB := testlog.Logger(t, log.LvlError).New("host", "B")
 
 	nodeB, err := NewNodeP2P(context.Background(), &rollup.Config{}, logB, &confB, &mockGossipIn{}, nil, runCfgB, metrics.NoopMetrics)
@@ -146,6 +154,9 @@ func TestP2PFull(t *testing.T) {
 	defer nodeB.Close()
 	hostB := nodeB.Host()
 
+	require.True(t, nodeB.IsStatic(hostA.ID()), "node A must be static peer of node B")
+	require.False(t, nodeB.IsStatic(hostB.ID()), "node B must not be static peer of node B itself")
+
 	select {
 	case <-time.After(time.Second):
 		t.Fatal("failed to connect new host")