getBlockHeight gRPC Method - Solana gRPC

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매개변수

헌신

문자열

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PROCESSED

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CONFIRMED

문자열

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FINALIZED

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반품

blockHeight

문자열

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요청

1
패키지 main
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3
가져오기 (
4
	"문맥"
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	"crypto/tls"
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	"fmt"
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	"로그"
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	"시간"
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	pb "yellowstone/proto"
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12

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	"google.golang.grpc"
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	"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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)
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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:443  {443 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:443"
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	token    = "YOUR_TOKEN_NUMBER"
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)
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var kacp = keepalive.ClientParameters{
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	Time:                10 * time.Second,
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	Timeout:             time.Second,
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	PermitWithoutStream: true,
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}
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type tokenAuth struct {
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	토큰 문자열
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}
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func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
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	돌아가기 맵[문자열]문자열{
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		"x-token": t.token,
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	}, nil
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}
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func (tokenAuth) RequireTransportSecurity() bool {
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	return true
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}
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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentialsWithTransportCredentials (인증 정보.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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	만약 err != nil {
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		log.Fatalf("Failed to connect: %v", err)
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	}
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	이연 conn.닫기()
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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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	만약 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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}
75

1
패키지 main
2

3
가져오기 (
4
	"문맥"
5
	"crypto/tls"
6
	"fmt"
7
	"로그"
8
	"시간"
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
	토큰 문자열
37
}
38

39
func (t tokenAuth) GetRequestMetadata(ctx context.Context, in ...string) (map[string]string, error) {
40
	돌아가기 맵[문자열]문자열{
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 (인증 정보.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

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	conn, err := grpc.NewClient(endpoint, opts...)
58
	만약 err != nil {
59
		log.Fatalf("Failed to connect: %v", err)
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	}
61
	이연 conn.닫기()
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63
	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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	만약 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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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

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const ENDPOINT = "https://YOUR_QN_ENDPOINT:443";
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const TOKEN = "YOUR_TOKEN_NUMBER";
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async 함수 main() {
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    const client = new Client(ENDPOINT, TOKEN, {
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        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
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    });
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    await client.connect();
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    try {
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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("Unhandled error:", err);
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        process.exit(1);
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    });
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 함수 main() {
12
    const client = new Client(ENDPOINT, TOKEN, {
13
        grpcDefaultCompressionAlgorithm: 0, // 0 = gzip, 1 = zstd
14
    });
15
    await client.connect();
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17
    try {
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        const blockheight = await client.getBlockHeight();
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        console.log(`Latest Blockheight: ${JSON.stringify(blockheight, null, 2)}`);
20
    } catch (error) {
21
        console.error("Error fetching Blockheight:", error);
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    }
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}
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25
main()
26
    .catch((err) => {
27
        console.error("Unhandled error:", err);
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        process.exit(1);
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    });
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