package tests import ( "context" "crypto/rand" "encoding/hex" "net" "testing" "github.com/ethereum/go-ethereum/crypto" "github.com/stretchr/testify/require" "github.com/status-im/go-waku/waku/v2/node" "github.com/status-im/go-waku/waku/v2/protocol/pb" "github.com/status-im/go-waku/waku/v2/utils" ) func TestBasicSendingReceiving(t *testing.T) { hostAddr, err := net.ResolveTCPAddr("tcp", "0.0.0.0:0") require.NoError(t, err) key, err := randomHex(32) require.NoError(t, err) prvKey, err := crypto.HexToECDSA(key) require.NoError(t, err) ctx := context.Background() wakuNode, err := node.New(ctx, node.WithPrivateKey(prvKey), node.WithHostAddress([]net.Addr{hostAddr}), node.WithWakuRelay(), ) require.NoError(t, err) require.NotNil(t, wakuNode) err = wakuNode.Start() require.NoError(t, err) require.NoError(t, write(ctx, wakuNode, "test")) sub, err := wakuNode.Subscribe(ctx, nil) require.NoError(t, err) value := <-sub.C payload, err := node.DecodePayload(value.Message(), &node.KeyInfo{Kind: node.None}) require.NoError(t, err) require.Contains(t, string(payload.Data), "test") } func randomHex(n int) (string, error) { bytes := make([]byte, n) if _, err := rand.Read(bytes); err != nil { return "", err } return hex.EncodeToString(bytes), nil } func write(ctx context.Context, wakuNode *node.WakuNode, msgContent string) error { var contentTopic string = "test" var version uint32 = 0 var timestamp float64 = utils.GetUnixEpoch() p := new(node.Payload) p.Data = []byte(wakuNode.ID() + ": " + msgContent) p.Key = &node.KeyInfo{Kind: node.None} payload, err := p.Encode(version) if err != nil { return err } msg := &pb.WakuMessage{ Payload: payload, Version: version, ContentTopic: contentTopic, Timestamp: timestamp, } _, err = wakuNode.Publish(ctx, msg, nil) return err }