isBlockhashValid gRPC Method - Solana gRPC

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

Parameter

blockhash

Zeichenkette

ERFORDERLICH

Wird geladen...

commitment

Zeichenkette

Wird geladen...

PROCESSED

Zeichenkette

Wird geladen...

CONFIRMED

Zeichenkette

Wird geladen...

FINALIZED

Zeichenkette

Wird geladen...

Rücksendungen

valid

boolesch

Wird geladen...

slot

Zeichenkette

Wird geladen...

Anfrage

1
Paket Hauptseite
2

3
import (
4
	„Kontext“
5
	„crypto/tls“
6
	„fmt“
7
	„log“
8
	„Zeit“
9

10
	pb "yellowstone/proto"
11

12

13
	grpcgoogle.golang.org/grpc“
14
	"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
21
// 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

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

35
type tokenAuth struct {
36
	Token Zeichenkette
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	Zurück Karte[Zeichenkette]Zeichenkette{
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		"x-token": t.token,
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	}, nil
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}
44

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

49
func main() {
50
	opts := []grpc.DialOption{
51
		grpc.WithTransportCredentials(Anmeldedaten.NewTLS(&tls.Konfiguration{})),
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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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	}
56

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	conn, err := grpc.NewClient(endpoint, opts...)
58
	wenn err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
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	}
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	aufschieben conn.Schließen()
62

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()
67

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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,
72
	})
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	wenn err != nil {
74
		log.Fatalf("Failed to check blockhash validity: %v", err)
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	}
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77

78
	fmt.Printf("Slot: %d\n", isBlockhashValid.Slot)
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	fmt.Printf("Valid: %v\n", isBlockhashValid.Valid)
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81

82
}
83

1
Paket Hauptseite
2

3
import (
4
	„Kontext“
5
	„crypto/tls“
6
	„fmt“
7
	„log“
8
	„Zeit“
9

10
	pb "yellowstone/proto"
11

12

13
	grpcgoogle.golang.org/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
	Token Zeichenkette
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	Zurück Karte[Zeichenkette]Zeichenkette{
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(Anmeldedaten.NewTLS(&tls.Konfiguration{})),
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
	wenn err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
60
	}
61
	aufschieben conn.Schließen()
62

63
	client := pb.NewGeyserClient(conn)
64

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

68
    const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z"
69

70
	isBlockhashValid, err := client.IsBlockhashValid(ctx, &pb.IsBlockhashValidRequest{
71
		Blockhash: BLOCKHASH_TO_CHECK,
72
	})
73
	wenn err != nil {
74
		log.Fatalf("Failed to check blockhash validity: %v", err)
75
	}
76

77

78
	fmt.Printf("Slot: %d\n", isBlockhashValid.Slot)
79
	fmt.Printf("Valid: %v\n", isBlockhashValid.Valid)
80

81

82
}
83

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
const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z";
12

13
async Funktion main() {
14
    const client = new Client(ENDPOINT, TOKEN, {
15
        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
16
    });
17
    await client.connect();
18

19
    const commitment = CommitmentLevel.CONFIRMED;
20

21
    try {
22
        const result = await client.isBlockhashValid(BLOCKHASH_TO_CHECK, commitment);
23
        console.log(`Blockhash validity check for ${BLOCKHASH_TO_CHECK}:`);
24
        console.log(JSON.stringify(result, null, 2));
25

26
    } catch (error) {
27
        console.error("Error checking blockhash validity:", error);
28
    }
29
}
30

31
main()
32
    .catch((err) => {
33
        console.error("Unhandled error:", err);
34
        process.exit(1);
35
    });
36

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
const BLOCKHASH_TO_CHECK = "FJcV9hJycVRkyHWf3P8qjxE2vLs6dF38RTZzZBNvNM1z";
12

13
async Funktion main() {
14
    const client = new Client(ENDPOINT, TOKEN, {
15
        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
16
    });
17
    await client.connect();
18

19
    const commitment = CommitmentLevel.CONFIRMED;
20

21
    try {
22
        const result = await client.isBlockhashValid(BLOCKHASH_TO_CHECK, commitment);
23
        console.log(`Blockhash validity check for ${BLOCKHASH_TO_CHECK}:`);
24
        console.log(JSON.stringify(result, null, 2));
25

26
    } catch (error) {
27
        console.error("Error checking blockhash validity:", error);
28
    }
29
}
30

31
main()
32
    .catch((err) => {
33
        console.error("Unhandled error:", err);
34
        process.exit(1);
35
    });
36

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