GetCheckpoint gRPC Method

पैरामीटर

sequence_number

डोरी

लोड हो रहा है...

digest

डोरी

लोड हो रहा है...

read_mask

वस्तु

लोड हो रहा है...

paths

सरणी

लोड हो रहा है...

रिटर्न

checkpoint

वस्तु

लोड हो रहा है...

sequenceNumber

डोरी

लोड हो रहा है...

digest

डोरी

लोड हो रहा है...

अनुरोध

1
grpcurl \
2
  -import-path . \
3
  -proto sui/rpc/v2/ledger_service.proto \
4
  -H "x-token: YOUR_TOKEN_VALUE" \
5
  -डी '{
6
    "sequence_number": "1000",
7
    "read_mask": {
8
      "paths": [
9
        "sequence_number",
10
        "digest"
11
      ]
12
    }
13
  }' \
14
  docs-demo.sui-mainnet.quiknode.pro:9000 \
15
  sui.rpc.v2.LedgerService/GetCheckpoint
16

1
grpcurl \
2
  -import-path . \
3
  -proto sui/rpc/v2/ledger_service.proto \
4
  -H "x-token: YOUR_TOKEN_VALUE" \
5
  -डी '{
6
    "sequence_number": "1000",
7
    "read_mask": {
8
      "paths": [
9
        "sequence_number",
10
        "digest"
11
      ]
12
    }
13
  }' \
14
  docs-demo.sui-mainnet.quiknode.pro:9000 \
15
  sui.rpc.v2.LedgerService/GetCheckpoint
16

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"encoding/json"
7
	"fmt"
8
	"log"
9
	"time"
10

11
	"google.golang.org/grpc"
12
	"google.golang.org/grpc/credentials"
13
	"google.golang.org/protobuf/encoding/protojson"
14
	"google.golang.org/protobuf/types/known/fieldmaskpb"
15

16
	pb "sui-grpc/sui/rpc/v2" // Your Generated .pb.go files path
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.sui-mainnet.quiknode.pro/abcde123456789
21
// endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
22
// token will be : abcde123456789
23

24
var (
25
	token    = "YOUR_TOKEN_NUMBER"
26
	endpoint = "YOUR_QN_ENDPOINT:9000"
27
)
28

29
// Auth structure for x-token
30
type auth struct {
31
	token string
32
}
33

34
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
35
	return map[string]string{
36
		"x-token": a.token,
37
	}, nil
38
}
39

40
func (a *auth) RequireTransportSecurity() bool {
41
	return true
42
}
43

44
func main() {
45
	// TLS credentials
46
	creds := credentials.NewTLS(&tls.Config{})
47
	opts := []grpc.DialOption{
48
		grpc.WithTransportCredentials(creds),
49
		grpc.WithPerRPCCredentials(&auth{token}),
50
	}
51

52
	conn, err := grpc.Dial(endpoint, opts...)
53
	if err != nil {
54
		log.Fatalf("Failed to connect: %v", err)
55
	}
56
	defer conn.Close()
57

58
	client := pb.NewLedgerServiceClient(conn)
59

60
	// Request for checkpoint with sequence_number = 1000
61
	seq := uint64(1000)
62
	req := &pb.GetCheckpointRequest{
63
		CheckpointId: &pb.GetCheckpointRequest_SequenceNumber{
64
			SequenceNumber: seq,
65
		},
66
		ReadMask: &fieldmaskpb.FieldMask{
67
			Paths: []string{"sequence_number", "digest"},
68
		},
69
	}
70

71
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
72
	defer cancel()
73

74
	resp, err := client.GetCheckpoint(ctx, req)
75
	if err != nil {
76
		log.Fatalf("GetCheckpoint failed: %v", err)
77
	}
78

79
	marshaler := protojson.MarshalOptions{
80
		UseProtoNames:   true,
81
		EmitUnpopulated: true,
82
		Indent:          "  ",
83
	}
84

85
	jsonBytes, err := marshaler.Marshal(resp)
86
	if err != nil {
87
		log.Fatalf("Failed to marshal: %v", err)
88
	}
89

90
	var pretty map[string]interface{}
91
	if err := json.Unmarshal(jsonBytes, &pretty); err != nil {
92
		log.Fatalf("Failed to unmarshal: %v", err)
93
	}
94

95
	formatted, _ := json.MarshalIndent(pretty, "", "  ")
96
	fmt.Println(string(formatted))
97
}
98

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"encoding/json"
7
	"fmt"
8
	"log"
9
	"time"
10

11
	"google.golang.org/grpc"
12
	"google.golang.org/grpc/credentials"
13
	"google.golang.org/protobuf/encoding/protojson"
14
	"google.golang.org/protobuf/types/known/fieldmaskpb"
15

16
	pb "sui-grpc/sui/rpc/v2" // Your Generated .pb.go files path
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.sui-mainnet.quiknode.pro/abcde123456789
21
// endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
22
// token will be : abcde123456789
23

24
var (
25
	token    = "YOUR_TOKEN_NUMBER"
26
	endpoint = "YOUR_QN_ENDPOINT:9000"
27
)
28

29
// Auth structure for x-token
30
type auth struct {
31
	token string
32
}
33

34
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
35
	return map[string]string{
36
		"x-token": a.token,
37
	}, nil
38
}
39

40
func (a *auth) RequireTransportSecurity() bool {
41
	return true
42
}
43

44
func main() {
45
	// TLS credentials
46
	creds := credentials.NewTLS(&tls.Config{})
47
	opts := []grpc.DialOption{
48
		grpc.WithTransportCredentials(creds),
49
		grpc.WithPerRPCCredentials(&auth{token}),
50
	}
51

52
	conn, err := grpc.Dial(endpoint, opts...)
53
	if err != nil {
54
		log.Fatalf("Failed to connect: %v", err)
55
	}
56
	defer conn.Close()
57

58
	client := pb.NewLedgerServiceClient(conn)
59

60
	// Request for checkpoint with sequence_number = 1000
61
	seq := uint64(1000)
62
	req := &pb.GetCheckpointRequest{
63
		CheckpointId: &pb.GetCheckpointRequest_SequenceNumber{
64
			SequenceNumber: seq,
65
		},
66
		ReadMask: &fieldmaskpb.FieldMask{
67
			Paths: []string{"sequence_number", "digest"},
68
		},
69
	}
70

71
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
72
	defer cancel()
73

74
	resp, err := client.GetCheckpoint(ctx, req)
75
	if err != nil {
76
		log.Fatalf("GetCheckpoint failed: %v", err)
77
	}
78

79
	marshaler := protojson.MarshalOptions{
80
		UseProtoNames:   true,
81
		EmitUnpopulated: true,
82
		Indent:          "  ",
83
	}
84

85
	jsonBytes, err := marshaler.Marshal(resp)
86
	if err != nil {
87
		log.Fatalf("Failed to marshal: %v", err)
88
	}
89

90
	var pretty map[string]interface{}
91
	if err := json.Unmarshal(jsonBytes, &pretty); err != nil {
92
		log.Fatalf("Failed to unmarshal: %v", err)
93
	}
94

95
	formatted, _ := json.MarshalIndent(pretty, "", "  ")
96
	fmt.Println(string(formatted))
97
}
98

1
import * as grpc from '@grpc/grpc-js';
2
import * as protoLoader from '@grpc/proto-loader';
3
import * as path from 'path';
4

5
const PROTO_PATH = path.join(__dirname, 'protos/proto/sui/rpc/v2/ledger_service.proto');
6

7
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
8
// For eg: QN Endpoint: https://docs-demo.sui-mainnet.quiknode.pro/abcde123456789
9
// endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
10
// token will be : abcde123456789
11

12
const endpoint = 'docs-demo.sui-mainnet.quiknode.pro:9000';
13
const token = 'abcde123456789';
14

15
// Load protobuf definitions
16
const packageDefinition = protoLoader.loadSync(PROTO_PATH, {
17
  keepCase: true,
18
  longs: String,
19
  enums: String,
20
  defaults: true,
21
  oneofs: true,
22
  includeDirs: [path.join(__dirname, 'protos/proto')],
23
} ) ;
24
const proto = grpc.loadPackageDefinition(packageDefinition) as any;
25
const LedgerService = proto.sui.rpc.v2.LedgerService;
26

27
// Create secure client
28
const client = new LedgerService(endpoint, grpc.credentials.createSsl());
29

30
// Metadata for authentication
31
const metadata = new grpc.Metadata();
32
metadata.add('x-token', token);
33

34
const request = {
35
  sequence_number: 1000, // Replace as needed
36
  read_mask: {
37
    paths: ['sequence_number', 'digest'],
38
  } ,
39
} ;
40

41
client.GetCheckpoint(request, metadata, (err: grpc.ServiceError | null, response: any) => {
42
  if (err) {
43
    console.error('gRPC Error:', {
44
      code: err.code,
45
      message: err.message,
46
      details: err.details,
47
    });
48
  } else {
49
    console.log('Checkpoint Response:');
50
    console.log(JSON.stringify(response, null, 2));
51
  }
52
} ) ;
53

1
import * as grpc from '@grpc/grpc-js';
2
import * as protoLoader from '@grpc/proto-loader';
3
import * as path from 'path';
4

5
const PROTO_PATH = path.join(__dirname, 'protos/proto/sui/rpc/v2/ledger_service.proto');
6

7
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
8
// For eg: QN Endpoint: https://docs-demo.sui-mainnet.quiknode.pro/abcde123456789
9
// endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
10
// token will be : abcde123456789
11

12
const endpoint = 'docs-demo.sui-mainnet.quiknode.pro:9000';
13
const token = 'abcde123456789';
14

15
// Load protobuf definitions
16
const packageDefinition = protoLoader.loadSync(PROTO_PATH, {
17
  keepCase: true,
18
  longs: String,
19
  enums: String,
20
  defaults: true,
21
  oneofs: true,
22
  includeDirs: [path.join(__dirname, 'protos/proto')],
23
} ) ;
24
const proto = grpc.loadPackageDefinition(packageDefinition) as any;
25
const LedgerService = proto.sui.rpc.v2.LedgerService;
26

27
// Create secure client
28
const client = new LedgerService(endpoint, grpc.credentials.createSsl());
29

30
// Metadata for authentication
31
const metadata = new grpc.Metadata();
32
metadata.add('x-token', token);
33

34
const request = {
35
  sequence_number: 1000, // Replace as needed
36
  read_mask: {
37
    paths: ['sequence_number', 'digest'],
38
  } ,
39
} ;
40

41
client.GetCheckpoint(request, metadata, (err: grpc.ServiceError | null, response: any) => {
42
  if (err) {
43
    console.error('gRPC Error:', {
44
      code: err.code,
45
      message: err.message,
46
      details: err.details,
47
    });
48
  } else {
49
    console.log('Checkpoint Response:');
50
    console.log(JSON.stringify(response, null, 2));
51
  }
52
} ) ;
53

1
import grpc
2
आयात करें json
3
from google.protobuf.field_mask_pb2 import FieldMask
4
from google.protobuf.json_format import MessageToDict
5
from sui.rpc.v2 import ledger_service_pb2, ledger_service_pb2_grpc
6

7

8
def get_checkpoint():
9
    # Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
10
    # For eg: QN Endpoint: https://docs-demo.sui-mainnet.quiknode.pro/abcde123456789
11
    # endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
12
    # token will be: abcde123456789
13

14
    endpoint = 'docs-demo.sui-mainnet.quiknode.pro:9000';
15
    token = 'abcde123456789';
16

17
    channel = grpc.secure_channel(endpoint, grpc.ssl_channel_credentials())
18
    stub = ledger_service_pb2_grpc.LedgerServiceStub(channel)
19

20
    # You can specify a checkpoint by sequence_number or digest
21
    # Using sequence_number here as an example
22
    sequence_number = 1000  # Replace with the actual checkpoint sequence number you want to retrieve
23
    
24
    # Create a field mask to specify which fields to include in the response
25
    read_mask = FieldMask(paths=[
26
        "sequence_number",
27
        "digest"
28
    ])
29

30
    # Prepare the GetCheckpointRequest
31
    request = ledger_service_pb2.GetCheckpointRequest(
32
        sequence_number=sequence_number,
33
        read_mask=read_mask
34
    )
35

36
    metadata = [("x-token", token)]
37

38
    return stub.GetCheckpoint(request, metadata=metadata)
39

40

41
def parse_response_to_json(response):
42
    return json.dumps(
43
        MessageToDict(response, preserving_proto_field_name=True),
44
        indent=2
45
    )
46

47

48
def main():
49
    try:
50
        response = get_checkpoint()
51
        print(parse_response_to_json(response))
52
    except grpc.RpcError as e:
53
        print(f"{e.code().name}: {e.details()}")
54

55

56
if __name__ == "__main__":
57
    main()
58

1
import grpc
2
आयात करें json
3
from google.protobuf.field_mask_pb2 import FieldMask
4
from google.protobuf.json_format import MessageToDict
5
from sui.rpc.v2 import ledger_service_pb2, ledger_service_pb2_grpc
6

7

8
def get_checkpoint():
9
    # Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
10
    # For eg: QN Endpoint: https://docs-demo.sui-mainnet.quiknode.pro/abcde123456789
11
    # endpoint will be: docs-demo.sui-mainnet.quiknode.pro:9000  {9000 is the port number for Sui gRPC}
12
    # token will be: abcde123456789
13

14
    endpoint = 'docs-demo.sui-mainnet.quiknode.pro:9000';
15
    token = 'abcde123456789';
16

17
    channel = grpc.secure_channel(endpoint, grpc.ssl_channel_credentials())
18
    stub = ledger_service_pb2_grpc.LedgerServiceStub(channel)
19

20
    # You can specify a checkpoint by sequence_number or digest
21
    # Using sequence_number here as an example
22
    sequence_number = 1000  # Replace with the actual checkpoint sequence number you want to retrieve
23
    
24
    # Create a field mask to specify which fields to include in the response
25
    read_mask = FieldMask(paths=[
26
        "sequence_number",
27
        "digest"
28
    ])
29

30
    # Prepare the GetCheckpointRequest
31
    request = ledger_service_pb2.GetCheckpointRequest(
32
        sequence_number=sequence_number,
33
        read_mask=read_mask
34
    )
35

36
    metadata = [("x-token", token)]
37

38
    return stub.GetCheckpoint(request, metadata=metadata)
39

40

41
def parse_response_to_json(response):
42
    return json.dumps(
43
        MessageToDict(response, preserving_proto_field_name=True),
44
        indent=2
45
    )
46

47

48
def main():
49
    try:
50
        response = get_checkpoint()
51
        print(parse_response_to_json(response))
52
    except grpc.RpcError as e:
53
        print(f"{e.code().name}: {e.details()}")
54

55

56
if __name__ == "__main__":
57
    main()
58

अब तक कोई खाता नहीं है?

कुछ ही सेकंड में अपना क्विकनोड एंडपॉइंट बनाएं और निर्माण शुरू करें।

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