isBlockhashValid gRPC Method - Solana gRPC

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

パラメータ

blockhash

文字列

必須

読み込み中...

commitment

文字列

読み込み中...

PROCESSED

文字列

読み込み中...

CONFIRMED

文字列

読み込み中...

FINALIZED

文字列

読み込み中...

返します

valid

ブール値

読み込み中...

slot

文字列

読み込み中...

リクエスト

1
パッケージ main
2

3
インポート (
4
	「文脈」
5
	"crypto/tls"
6
	"fmt"
7
	「ログ」
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
	トークン 文字列
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	戻る map[文字列]文字列{
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.WithTransportCredentialsWithTransportCredentials(credentials.NewTLS(&tls.設定{})),
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
	もし err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
60
	}
61
	延期 conn.閉じる()
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
	もし 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
パッケージ main
2

3
インポート (
4
	「文脈」
5
	"crypto/tls"
6
	"fmt"
7
	「ログ」
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
	トークン 文字列
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	戻る map[文字列]文字列{
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.WithTransportCredentialsWithTransportCredentials(credentials.NewTLS(&tls.設定{})),
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
	もし err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
60
	}
61
	延期 conn.閉じる()
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
	もし 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 関数 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 関数 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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