Parameters

contractAddress

string

REQUIRED

The TRC20 token contract address

Returns

symbol

string

The symbol of the token

error

object

Error object that will be nil if operation was successful

Request

1
package main
2

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

9
	"github.com/fbsobreira/gotron-sdk/pkg/client"
10
	"google.golang.org/grpc"
11
	"google.golang.org/grpc/credentials"
12
)
13

14

15
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
16
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
17
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
18
// token will be : abcde123456789
19

20
var token = "YOUR_TOKEN"
21
var endpoint = "YOUR_ENDPOINT:50051"
22

23

24
type auth struct {
25
	token string
26
}
27

28
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
29
	return map[string]string{
30
		"x-token": a.token,
31
	}, nil
32
}
33

34
func (a *auth) RequireTransportSecurity() bool {
35
	return false
36
}
37

38
func main() {
39
	opts := []grpc.DialOption{
40
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
41
		grpc.WithPerRPCCredentials(&auth{token}),
42
	}
43
	conn := client.NewGrpcClient(endpoint)
44
	if err := conn.Start(opts...); err != nil {
45
		panic(err)
46
	}
47
	defer conn.Conn.Close()
48

49
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
50

51
	symbolName, err := conn.TRC20GetSymbol(contractAddress)
52
	if err != nil {
53
		fmt.Printf("Error calling TRC20GetSymbol: %v\n", err)
54
		return
55
	}
56
	jsonData, _ := json.MarshalIndent(symbolName, "", "  ")
57
	fmt.Println(string(jsonData))
58

59
}

1
package main
2

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

9
	"github.com/fbsobreira/gotron-sdk/pkg/client"
10
	"google.golang.org/grpc"
11
	"google.golang.org/grpc/credentials"
12
)
13

14

15
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
16
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
17
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
18
// token will be : abcde123456789
19

20
var token = "YOUR_TOKEN"
21
var endpoint = "YOUR_ENDPOINT:50051"
22

23

24
type auth struct {
25
	token string
26
}
27

28
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
29
	return map[string]string{
30
		"x-token": a.token,
31
	}, nil
32
}
33

34
func (a *auth) RequireTransportSecurity() bool {
35
	return false
36
}
37

38
func main() {
39
	opts := []grpc.DialOption{
40
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
41
		grpc.WithPerRPCCredentials(&auth{token}),
42
	}
43
	conn := client.NewGrpcClient(endpoint)
44
	if err := conn.Start(opts...); err != nil {
45
		panic(err)
46
	}
47
	defer conn.Conn.Close()
48

49
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
50

51
	symbolName, err := conn.TRC20GetSymbol(contractAddress)
52
	if err != nil {
53
		fmt.Printf("Error calling TRC20GetSymbol: %v\n", err)
54
		return
55
	}
56
	jsonData, _ := json.MarshalIndent(symbolName, "", "  ")
57
	fmt.Println(string(jsonData))
58

59
}

Don't have an account yet?

Create your Quicknode endpoint in seconds and start building

Get started for free