getBlockHeight gRPC Method - Solana gRPC

Solana gRPC est inclus dans les plans Scale et Business. Pour les plans Build et Accelerate, il reste disponible via l'extension Solana gRPC.

Paramètres

Cette méthode n'accepte aucun paramètre

Renvoie

Blockheight

chaîne de caractères

Chargement...

Requête

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
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	"fmt"
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	"log"
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	"time"
9

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	pb "yellowstone/proto"
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12

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	"google.golang.org/grpc"
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	"google.golang.org/grpc/credentials"
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	"google.golang.org/grpc/encoding/gzip"
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	"google.golang.org/grpc/keepalive"
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)
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// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
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// 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:10000  {10000 is the port number for gRPC}
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// token will be : abcde123456789
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var (
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	endpoint = "YOUR_QN_ENDPOINT:10000"
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	token    = "YOUR_TOKEN_NUMBER"
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)
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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.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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	if err != nil {
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		log.Fatalf("Échec de la connexion : %v", err)
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	}
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	defer conn.Close()
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	client := pb.NewGeyserClient(conn)
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    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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    defer cancel()
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    blockheight, err := client.GetBlockHeight(ctx, &pb.GetBlockHeightRequest{})
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	if err != nil {
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		log.Fatalf("Failed to get block height: %v", err)
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	}
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	fmt.Printf("  Block Height: %+v\n", blockheight)
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}

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"fmt"
7
	"log"
8
	"time"
9

10
	pb "yellowstone/proto"
11

12

13
	"google.golang.org/grpc"
14
	"google.golang.org/grpc/credentials"
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:10000  {10000 is the port number for gRPC}
22
// token will be : abcde123456789
23

24
var (
25
	endpoint = "YOUR_QN_ENDPOINT:10000"
26
	token    = "YOUR_TOKEN_NUMBER"
27
)
28

29
func main() {
30
	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
32
		grpc.WithKeepaliveParams(kacp),
33
		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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	if err != nil {
39
		log.Fatalf("Échec de la connexion : %v", err)
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	}
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	defer conn.Close()
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	client := pb.NewGeyserClient(conn)
44

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    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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    defer cancel()
47

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    blockheight, err := client.GetBlockHeight(ctx, &pb.GetBlockHeightRequest{})
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	if err != nil {
50
		log.Fatalf("Failed to get block height: %v", err)
51
	}
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	fmt.Printf("  Block Height: %+v\n", blockheight)
53

54
}

1
import Client 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: docs-demo.solana-mainnet.quiknode.pro:10000  {10000 is the port number for gRPC}
6
// token will be : abcde123456789
7

8
const POINT D'EXTRÉMITÉ = "VOTRE_POINT_D'ACCÈS_QN:10000";
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const TOKEN = "VOTRE_NUMÉRO_DE_TOKEN";
10

11
async function main() {
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    const client = new Client(ENDPOINT, TOKEN, {});
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    essayer {
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        const blockheight = await client.getBlockHeight();
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        console.log(`Latest Blockheight: ${JSON.stringify(blockheight, null, 2)}`);
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    } catch (error) {
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        console.error("Error fetching Blockheight:", error);
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    }
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}
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main()
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    .catch((err) => {
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        console.error("Erreur non gérée :", err);
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        process.exit(1);
26
    });

1
import Client 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: docs-demo.solana-mainnet.quiknode.pro:10000  {10000 is the port number for gRPC}
6
// token will be : abcde123456789
7

8
const POINT D'EXTRÉMITÉ = "VOTRE_POINT_D'ACCÈS_QN:10000";
9
const TOKEN = "VOTRE_NUMÉRO_DE_TOKEN";
10

11
async function main() {
12
    const client = new Client(ENDPOINT, TOKEN, {});
13

14
    essayer {
15
        const blockheight = await client.getBlockHeight();
16
        console.log(`Latest Blockheight: ${JSON.stringify(blockheight, null, 2)}`);
17
    } catch (error) {
18
        console.error("Error fetching Blockheight:", error);
19
    }
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}
21

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main()
23
    .catch((err) => {
24
        console.error("Erreur non gérée :", err);
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        process.exit(1);
26
    });

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