getSlot gRPC Method - Solana gRPC

Solana gRPC is included with Scale plans and up. Learn more on our pricing page.

參數

commitment

字串

載入中...

PROCESSED

字串

載入中...

CONFIRMED

字串

載入中...

FINALIZED

字串

載入中...

退貨

slot

字串

載入中...

請求

1
套件 主函式
2

3
匯入 (
4
	"上下文"
5
	"crypto/tls"
6
	"fmt"
7
	"log"
8
	「時間」
9

10
	pb "yellowstone/proto"
11

12

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	"google.golang.grpc"
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	"google.golang.grpc"
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	"google.golang.org/grpc/encoding/gzip"
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	"google.golang.org/grpc/keepalive"
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)
18

19
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
20
// For eg: QN Endpoint: https://docs-demo.solana-mainnet.quiknode.pro/abcde123456789
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// endpoint will be: docs-demo.solana-mainnet.quiknode.pro:443  {443 is the port number for gRPC}
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// token will be : abcde123456789
23

24
var (
25
	endpoint = "YOUR_QN_ENDPOINT:443"
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	token    = "YOUR_TOKEN_NUMBER"
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)
28

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var kacp = keepalive.ClientParameters{
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	Time:                10 * time.Second,
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	Timeout:             time.Second,
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	PermitWithoutStream: true,
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}
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type tokenAuth struct {
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	代幣 字串
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}
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func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	返回 地圖[字串]字串{
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		"x-token": t.token,
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	}, nil
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}
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func (tokenAuth) RequireTransportSecurity() bool {
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	return true
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}
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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(憑證.NewTLS(&tls.Config{})),
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		grpc.WithKeepaliveParams(kacp),
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		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(1024*1024*1024), grpc.UseCompressor(gzip.Name)),
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		grpc.WithPerRPCCredentials(tokenAuth{token: token}),
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	}
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	conn, err := grpc.NewClient(endpoint, opts...)
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	如果 err != nil {
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		log.Fatalf("Failed to connect: %v", err)
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	}
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	延後 延遲連接.關閉()
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63
	client := pb.NewGeyserClient(conn)
64

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    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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    defer cancel()
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    getSlot, err := client.GetSlot(ctx, &pb.GetSlotRequest{})
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	如果 err != nil {
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		log.Fatalf("Failed to get slot: %v", err)
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	}
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	fmt.Printf("  Get Slot: %+v\n", getSlot)
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74
}
75

1
套件 主函式
2

3
匯入 (
4
	"上下文"
5
	"crypto/tls"
6
	"fmt"
7
	"log"
8
	「時間」
9

10
	pb "yellowstone/proto"
11

12

13
	"google.golang.grpc"
14
	"google.golang.grpc"
15
	"google.golang.org/grpc/encoding/gzip"
16
	"google.golang.org/grpc/keepalive"
17
)
18

19
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
20
// For eg: QN Endpoint: https://docs-demo.solana-mainnet.quiknode.pro/abcde123456789
21
// endpoint will be: docs-demo.solana-mainnet.quiknode.pro:443  {443 is the port number for gRPC}
22
// token will be : abcde123456789
23

24
var (
25
	endpoint = "YOUR_QN_ENDPOINT:443"
26
	token    = "YOUR_TOKEN_NUMBER"
27
)
28

29
var kacp = keepalive.ClientParameters{
30
	Time:                10 * time.Second,
31
	Timeout:             time.Second,
32
	PermitWithoutStream: true,
33
}
34

35
type tokenAuth struct {
36
	代幣 字串
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	返回 地圖[字串]字串{
41
		"x-token": t.token,
42
	}, nil
43
}
44

45
func (tokenAuth) RequireTransportSecurity() bool {
46
	return true
47
}
48

49
func main() {
50
	opts := []grpc.DialOption{
51
		grpc.WithTransportCredentials(憑證.NewTLS(&tls.Config{})),
52
		grpc.WithKeepaliveParams(kacp),
53
		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(1024*1024*1024), grpc.UseCompressor(gzip.Name)),
54
		grpc.WithPerRPCCredentials(tokenAuth{token: token}),
55
	}
56

57
	conn, err := grpc.NewClient(endpoint, opts...)
58
	如果 err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
60
	}
61
	延後 延遲連接.關閉()
62

63
	client := pb.NewGeyserClient(conn)
64

65
    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
66
    defer cancel()
67

68
    getSlot, err := client.GetSlot(ctx, &pb.GetSlotRequest{})
69
	如果 err != nil {
70
		log.Fatalf("Failed to get slot: %v", err)
71
	}
72
	fmt.Printf("  Get Slot: %+v\n", getSlot)
73

74
}
75

1
import Client, { CommitmentLevel } from "@triton-one/yellowstone-grpc";
2

3
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
4
// For eg: QN Endpoint: https://docs-demo.solana-mainnet.quiknode.pro/abcde123456789
5
// endpoint will be: https://docs-demo.solana-mainnet.quiknode.pro:443  {443 is the port number for gRPC}
6
// token will be : abcde123456789
7

8
const ENDPOINT = "https://YOUR_QN_ENDPOINT:443";
9
const TOKEN = "YOUR_TOKEN_NUMBER";
10

11
async 函式 main() {
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    const client = new Client(ENDPOINT, TOKEN, {
13
        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
14
    });
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    await client.connect();
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17
    const commitment = CommitmentLevel.CONFIRMED;
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    try {
20
        const slot = await client.getSlot(commitment);
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        console.log(`Slot Number: ${JSON.stringify(slot, null, 2)}`);
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23
    } catch (error) {
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        console.error("Error fetching current slot:", error);
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    }
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}
27

28
main()
29
    .catch((err) => {
30
        console.error("Unhandled error:", err);
31
        process.exit(1);
32
    });
33

1
import Client, { CommitmentLevel } from "@triton-one/yellowstone-grpc";
2

3
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
4
// For eg: QN Endpoint: https://docs-demo.solana-mainnet.quiknode.pro/abcde123456789
5
// endpoint will be: https://docs-demo.solana-mainnet.quiknode.pro:443  {443 is the port number for gRPC}
6
// token will be : abcde123456789
7

8
const ENDPOINT = "https://YOUR_QN_ENDPOINT:443";
9
const TOKEN = "YOUR_TOKEN_NUMBER";
10

11
async 函式 main() {
12
    const client = new Client(ENDPOINT, TOKEN, {
13
        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
14
    });
15
    await client.connect();
16

17
    const commitment = CommitmentLevel.CONFIRMED;
18

19
    try {
20
        const slot = await client.getSlot(commitment);
21
        console.log(`Slot Number: ${JSON.stringify(slot, null, 2)}`);
22

23
    } catch (error) {
24
        console.error("Error fetching current slot:", error);
25
    }
26
}
27

28
main()
29
    .catch((err) => {
30
        console.error("Unhandled error:", err);
31
        process.exit(1);
32
    });
33

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