Parameters

address

string

REQUIRED

The account address to query

resource

integer

REQUIRED

The resource type (0 for bandwidth, 1 for energy)

Returns

max_size

integer

The maximum amount that can be delegated

Request

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"fmt"
7
	"github.com/fbsobreira/gotron-sdk/pkg/client"
8
	"google.golang.org/grpc"
9
	"google.golang.org/grpc/credentials"
10
	"log"
11
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
type auth struct {
22
	token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
26
	return map[string]string{
27
		"x-token": a.token,
28
	}, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
	return false
33
}
34

35
func main() {
36
	
37
	opts := []grpc.DialOption{
38
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
		grpc.WithPerRPCCredentials(&auth{token}),
40
	}
41
	conn := client.NewGrpcClient(endpoint)
42
	if err := conn.Start(opts...); err != nil {
43
		panic(err)
44
	}
45
	defer conn.Conn.Close()
46

47
	address := "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g" //	// Address to check
48
	resource := int32(0) //Resource type: 0 for bandwidth, 1 for energy (using int32 as required)
49
	
50
	fmt.Printf("Checking max delegatable bandwidth for address: %s\n", address)
51
	// Call GetCanDelegatedMaxSize for bandwidth
52
	bandwidthMax, err := conn.GetCanDelegatedMaxSize(address, resource)
53
	if err != nil {
54
		log.Printf("Error getting max delegatable bandwidth: %v\n", err)
55
	} else {
56
		fmt.Printf("Max delegatable bandwidth: %d\n", bandwidthMax)
57
	}
58

59
	// Check energy too
60
	resource = int32(1) // Energy
61
	fmt.Printf("\nChecking max delegatable energy for address: %s\n", address)
62
	energyMax, err := conn.GetCanDelegatedMaxSize(address, resource)
63
	if err != nil {
64
		log.Printf("Error getting max delegatable energy: %v\n", err)
65
	} else {
66
		fmt.Printf("Max delegatable energy: %d\n", energyMax)
67
	}
68
}

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"fmt"
7
	"github.com/fbsobreira/gotron-sdk/pkg/client"
8
	"google.golang.org/grpc"
9
	"google.golang.org/grpc/credentials"
10
	"log"
11
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
type auth struct {
22
	token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
26
	return map[string]string{
27
		"x-token": a.token,
28
	}, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
	return false
33
}
34

35
func main() {
36
	
37
	opts := []grpc.DialOption{
38
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
		grpc.WithPerRPCCredentials(&auth{token}),
40
	}
41
	conn := client.NewGrpcClient(endpoint)
42
	if err := conn.Start(opts...); err != nil {
43
		panic(err)
44
	}
45
	defer conn.Conn.Close()
46

47
	address := "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g" //	// Address to check
48
	resource := int32(0) //Resource type: 0 for bandwidth, 1 for energy (using int32 as required)
49
	
50
	fmt.Printf("Checking max delegatable bandwidth for address: %s\n", address)
51
	// Call GetCanDelegatedMaxSize for bandwidth
52
	bandwidthMax, err := conn.GetCanDelegatedMaxSize(address, resource)
53
	if err != nil {
54
		log.Printf("Error getting max delegatable bandwidth: %v\n", err)
55
	} else {
56
		fmt.Printf("Max delegatable bandwidth: %d\n", bandwidthMax)
57
	}
58

59
	// Check energy too
60
	resource = int32(1) // Energy
61
	fmt.Printf("\nChecking max delegatable energy for address: %s\n", address)
62
	energyMax, err := conn.GetCanDelegatedMaxSize(address, resource)
63
	if err != nil {
64
		log.Printf("Error getting max delegatable energy: %v\n", err)
65
	} else {
66
		fmt.Printf("Max delegatable energy: %d\n", energyMax)
67
	}
68
}

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