ParseTRC20StringProperty gRPC Method

参数

数据

字符串

必填

正在加载...

退货

值

字符串

正在加载...

错误

对象

正在加载...

请求

1
包 main
2

3
import (
4
	"上下文"
5
	"crypto/tls"
6
	"编码/十六进制"
7
	"fmt"
8

9
	"github.com/fbsobreira/gotron-sdk/pkg/client"
10
	"google.golang.grpc"
11
	"google.golang.grpc"
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 令牌 = "YOUR_TOKEN"
21
var endpoint = "YOUR_ENDPOINT:50051"
22

23

24
类型 auth 结构体 {
25
	token 字符串
26
}
27

28
func (a *auth) GetRequestMetadata(ctx 上下文.Context, uri ...字符串) (map[字符串]字符串, error) {
29
	返回 map[字符串]字符串{
30
		“x-token”: a.令牌,
31
	}, nil
32
}
33

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

38
func main() {
39
	opts := []grpc.DialOption{
40
		grpc.WithTransportCredentials(凭证.NewTLS(&tls.配置{})),
41
		grpc.WithPerRPCCredentials(&auth{令牌}),
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
	ownerAddress := "THPvaUhoh2Qn2y9THCZML3H815hhFhn5YC"
50
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
51
	method := "name()"
52
	jsonParams := ""
53

54
	response, err := conn.TriggerConstantContract(
55
		ownerAddress,
56
		contractAddress,
57
		method,
58
		jsonParams,
59
	)
60
	如果 err != nil {
61
		fmt.Printf("Error calling TriggerConstantContract: %v\n", err)
62
		返回
63
	}
64

65
	if len(response.ConstantResult) == 0 {
66
		fmt.Println("No result returned from contract call")
67
		返回
68
	}
69

70
	hexData := hex.EncodeToString(response.ConstantResult[0])
71

72
	tokenName, err := conn.ParseTRC20StringProperty(hexData)
73
	如果 err != nil {
74
		fmt.Printf("Error parsing string property: %v\n", err)
75
		返回
76
	}
77

78
	fmt.Printf("Token Name: %s\n", tokenName)
79

80
}

1
包 main
2

3
import (
4
	"上下文"
5
	"crypto/tls"
6
	"编码/十六进制"
7
	"fmt"
8

9
	"github.com/fbsobreira/gotron-sdk/pkg/client"
10
	"google.golang.grpc"
11
	"google.golang.grpc"
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 令牌 = "YOUR_TOKEN"
21
var endpoint = "YOUR_ENDPOINT:50051"
22

23

24
类型 auth 结构体 {
25
	token 字符串
26
}
27

28
func (a *auth) GetRequestMetadata(ctx 上下文.Context, uri ...字符串) (map[字符串]字符串, error) {
29
	返回 map[字符串]字符串{
30
		“x-token”: a.令牌,
31
	}, nil
32
}
33

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

38
func main() {
39
	opts := []grpc.DialOption{
40
		grpc.WithTransportCredentials(凭证.NewTLS(&tls.配置{})),
41
		grpc.WithPerRPCCredentials(&auth{令牌}),
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
	ownerAddress := "THPvaUhoh2Qn2y9THCZML3H815hhFhn5YC"
50
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
51
	method := "name()"
52
	jsonParams := ""
53

54
	response, err := conn.TriggerConstantContract(
55
		ownerAddress,
56
		contractAddress,
57
		method,
58
		jsonParams,
59
	)
60
	如果 err != nil {
61
		fmt.Printf("Error calling TriggerConstantContract: %v\n", err)
62
		返回
63
	}
64

65
	if len(response.ConstantResult) == 0 {
66
		fmt.Println("No result returned from contract call")
67
		返回
68
	}
69

70
	hexData := hex.EncodeToString(response.ConstantResult[0])
71

72
	tokenName, err := conn.ParseTRC20StringProperty(hexData)
73
	如果 err != nil {
74
		fmt.Printf("Error parsing string property: %v\n", err)
75
		返回
76
	}
77

78
	fmt.Printf("Token Name: %s\n", tokenName)
79

80
}

还没有账号吗？

endpoint 几秒钟endpoint 创建您的Quicknode endpoint ，并开始构建

免费开始使用