isBlockhashValid 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

blockhash

bytes

OBLIGATOIRE

Chargement...

Renvoie

valid

booléen

Chargement...

slot

chaîne de caractères

Chargement...

Requête

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"
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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
21
// 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
23

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

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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
32
		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}),
35
	}
36

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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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43
	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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    const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z"
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	isBlockhashValid, err := client.IsBlockhashValid(ctx, &pb.IsBlockhashValidRequest{
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		Blockhash: BLOCKHASH_TO_CHECK,
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	})
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	if err != nil {
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		log.Fatalf("Failed to check blockhash validity: %v", err)
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	}
56

57

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	fmt.Printf("Slot: %d\n", isBlockhashValid.Slot)
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	fmt.Printf("Valid: %v\n", isBlockhashValid.Valid)
60

61

62
}

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{
31
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
32
		grpc.WithKeepaliveParams(kacp),
33
		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(1024*1024*1024), grpc.UseCompressor(gzip.Name)),
34
		grpc.WithPerRPCCredentials(tokenAuth{token: token}),
35
	}
36

37
	conn, err := grpc.NewClient(endpoint, opts...)
38
	if err != nil {
39
		log.Fatalf("Échec de la connexion : %v", err)
40
	}
41
	defer conn.Close()
42

43
	client := pb.NewGeyserClient(conn)
44

45
    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
46
    defer cancel()
47

48
    const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z"
49

50
	isBlockhashValid, err := client.IsBlockhashValid(ctx, &pb.IsBlockhashValidRequest{
51
		Blockhash: BLOCKHASH_TO_CHECK,
52
	})
53
	if err != nil {
54
		log.Fatalf("Failed to check blockhash validity: %v", err)
55
	}
56

57

58
	fmt.Printf("Slot: %d\n", isBlockhashValid.Slot)
59
	fmt.Printf("Valid: %v\n", isBlockhashValid.Valid)
60

61

62
}

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: 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
const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z";
12

13
async function main() {
14
    const client = new Client(ENDPOINT, TOKEN, {});
15

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    const engagement = Niveau d'engagement.CONFIRMÉ;
17

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    essayer {
19
        const result = await client.isBlockhashValid(BLOCKHASH_TO_CHECK, commitment);
20
        console.log(`Blockhash validity check for ${BLOCKHASH_TO_CHECK}:`);
21
        console.log(JSON.stringify(result, null, 2));
22

23
    } catch (error) {
24
        console.error("Error checking blockhash validity:", error);
25
    }
26
}
27

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

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: 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
const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z";
12

13
async function main() {
14
    const client = new Client(ENDPOINT, TOKEN, {});
15

16
    const engagement = Niveau d'engagement.CONFIRMÉ;
17

18
    essayer {
19
        const result = await client.isBlockhashValid(BLOCKHASH_TO_CHECK, commitment);
20
        console.log(`Blockhash validity check for ${BLOCKHASH_TO_CHECK}:`);
21
        console.log(JSON.stringify(result, null, 2));
22

23
    } catch (error) {
24
        console.error("Error checking blockhash validity:", error);
25
    }
26
}
27

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

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