getBlockHeight gRPC Method - Solana gRPC

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

Parâmetros

commitment

cadeia de caracteres

Carregando...

PROCESSED

cadeia de caracteres

Carregando...

CONFIRMED

cadeia de caracteres

Carregando...

FINALIZED

cadeia de caracteres

Carregando...

Devoluções

blockHeight

cadeia de caracteres

Carregando...

Pedido

1
pacote principal
2

3
importar (
4
	"contexto"
5
	"crypto/tls"
6
	"fmt"
7
	"registo"
8
	"tempo"
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
	token cadeia de caracteres
37
}
38

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

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

49
func main() {
50
	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credenciais.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}),
55
	}
56

57
	conn, err := grpc.NewClient(endpoint, opts...)
58
	se err != nil {
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		log.Fatalf("Failed to connect: %v", err)
60
	}
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	adiar conn.Fechar()
62

63
	client := pb.NewGeyserClient(conn)
64

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

68
    blockheight, err := client.GetBlockHeight(ctx, &pb.GetBlockHeightRequest{})
69
	se err != nil {
70
		log.Fatalf("Failed to get block height: %v", err)
71
	}
72
	fmt.Printf("  Block Height: %+v\n", blockheight)
73

74
}
75

1
pacote principal
2

3
importar (
4
	"contexto"
5
	"crypto/tls"
6
	"fmt"
7
	"registo"
8
	"tempo"
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
	token cadeia de caracteres
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	retornar mapa[string]string{
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(credenciais.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
	se err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
60
	}
61
	adiar conn.Fechar()
62

63
	client := pb.NewGeyserClient(conn)
64

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

68
    blockheight, err := client.GetBlockHeight(ctx, &pb.GetBlockHeightRequest{})
69
	se err != nil {
70
		log.Fatalf("Failed to get block height: %v", err)
71
	}
72
	fmt.Printf("  Block Height: %+v\n", blockheight)
73

74
}
75

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

17
    try {
18
        const blockheight = await client.getBlockHeight();
19
        console.log(`Latest Blockheight: ${JSON.stringify(blockheight, null, 2)}`);
20
    } catch (error) {
21
        console.error("Error fetching Blockheight:", error);
22
    }
23
}
24

25
main()
26
    .catch((err) => {
27
        console.error("Unhandled error:", err);
28
        process.exit(1);
29
    });
30

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

17
    try {
18
        const blockheight = await client.getBlockHeight();
19
        console.log(`Latest Blockheight: ${JSON.stringify(blockheight, null, 2)}`);
20
    } catch (error) {
21
        console.error("Error fetching Blockheight:", error);
22
    }
23
}
24

25
main()
26
    .catch((err) => {
27
        console.error("Unhandled error:", err);
28
        process.exit(1);
29
    });
30

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