GetContractABI gRPC Method

Paramètres

contractAddress

chaîne de caractères

OBLIGATOIRE

Chargement...

Renvoie

entrys

tableau

Chargement...

anonymous

booléen

Chargement...

constant

booléen

Chargement...

nom

chaîne de caractères

Chargement...

inputs

tableau

Chargement...

indexed

booléen

Chargement...

nom

chaîne de caractères

Chargement...

type

chaîne de caractères

Chargement...

outputs

tableau

Chargement...

indexed

booléen

Chargement...

nom

chaîne de caractères

Chargement...

type

chaîne de caractères

Chargement...

type

chaîne de caractères

Chargement...

payable

booléen

Chargement...

stateMutability

chaîne de caractères

Chargement...

Requête

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"encoding/json"
7
	"fmt"
8
	"github.com/fbsobreira/gotron-sdk/pkg/client"
9
	"google.golang.org/grpc"
10
	"google.golang.org/grpc/credentials"
11
	"log"
12
)
13

14
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
15
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
16
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
17
// token will be : abcde123456789
18

19
var token = "YOUR_TOKEN"
20
var endpoint = "YOUR_ENDPOINT:50051"
21

22
type auth struct {
23
	token string
24
}
25

26
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
27
	return map[string]string{
28
		"x-token": a.token,
29
	}, nil
30
}
31

32
func (a *auth) RequireTransportSecurity() bool {
33
	return false
34
}
35

36
func main() {
37
	
38
	opts := []grpc.DialOption{
39
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
40
		grpc.WithPerRPCCredentials(&auth{token}),
41
	}
42
	conn := client.NewGrpcClient(endpoint)
43
	if err := conn.Start(opts...); err != nil {
44
		panic(err)
45
	}
46
	defer conn.Conn.Close()
47

48
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
49
	fmt.Printf("Fetching ABI for contract: %s\n", contractAddress)
50
	contractABI, err := conn.GetContractABI(contractAddress)
51
	if err != nil {
52
		log.Fatalf("Error getting contract ABI: %v\n", err)
53
	}
54

55
	fmt.Println("\nContract ABI Information:")
56
	abiJSON, err := json.MarshalIndent(contractABI, "", "  ")
57
	if err != nil {
58
		log.Printf("Error marshaling ABI to JSON: %v\n", err)
59
	} else {
60
		fmt.Println(string(abiJSON))
61
	}
62

63
	if contractABI.Entrys != nil && len(contractABI.Entrys) > 0 {
64
		fmt.Printf("\nContract has %d function entries\n", len(contractABI.Entrys))
65
		maxFunctions := 5
66
		if len(contractABI.Entrys) < maxFunctions {
67
			maxFunctions = len(contractABI.Entrys)
68
		}
69

70
		fmt.Println("\nFunction Overview:")
71
		for i := 0; i < maxFunctions; i++ {
72
			entry := contractABI.Entrys[i]
73
			fmt.Printf("%d. Name: %s, Type: %s\n", i+1, entry.Name, entry.Type)
74
			if len(entry.Inputs) > 0 {
75
				fmt.Print("   Parameters: ")
76
				for j, input := range entry.Inputs {
77
					fmt.Printf("%s (%s)", input.Name, input.Type)
78
					if j < len(entry.Inputs)-1 {
79
						fmt.Print(", ")
80
					}
81
				}
82
				fmt.Println()
83
			}
84
			if len(entry.Outputs) > 0 {
85
				fmt.Print("   Returns: ")
86
				for j, output := range entry.Outputs {
87
					fmt.Printf("%s (%s)", output.Name, output.Type)
88
					if j < len(entry.Outputs)-1 {
89
						fmt.Print(", ")
90
					}
91
				}
92
				fmt.Println()
93
			}
94
		}
95

96
		if len(contractABI.Entrys) > maxFunctions {
97
			fmt.Printf("\n... and %d more functions\n", len(contractABI.Entrys)-maxFunctions)
98
		}
99
	} else {
100
		fmt.Println("No function entries found in this contract's ABI.")
101
	}
102
}

1
package main
2

3
import (
4
	"context"
5
	"crypto/tls"
6
	"encoding/json"
7
	"fmt"
8
	"github.com/fbsobreira/gotron-sdk/pkg/client"
9
	"google.golang.org/grpc"
10
	"google.golang.org/grpc/credentials"
11
	"log"
12
)
13

14
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
15
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
16
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
17
// token will be : abcde123456789
18

19
var token = "YOUR_TOKEN"
20
var endpoint = "YOUR_ENDPOINT:50051"
21

22
type auth struct {
23
	token string
24
}
25

26
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
27
	return map[string]string{
28
		"x-token": a.token,
29
	}, nil
30
}
31

32
func (a *auth) RequireTransportSecurity() bool {
33
	return false
34
}
35

36
func main() {
37
	
38
	opts := []grpc.DialOption{
39
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
40
		grpc.WithPerRPCCredentials(&auth{token}),
41
	}
42
	conn := client.NewGrpcClient(endpoint)
43
	if err := conn.Start(opts...); err != nil {
44
		panic(err)
45
	}
46
	defer conn.Conn.Close()
47

48
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
49
	fmt.Printf("Fetching ABI for contract: %s\n", contractAddress)
50
	contractABI, err := conn.GetContractABI(contractAddress)
51
	if err != nil {
52
		log.Fatalf("Error getting contract ABI: %v\n", err)
53
	}
54

55
	fmt.Println("\nContract ABI Information:")
56
	abiJSON, err := json.MarshalIndent(contractABI, "", "  ")
57
	if err != nil {
58
		log.Printf("Error marshaling ABI to JSON: %v\n", err)
59
	} else {
60
		fmt.Println(string(abiJSON))
61
	}
62

63
	if contractABI.Entrys != nil && len(contractABI.Entrys) > 0 {
64
		fmt.Printf("\nContract has %d function entries\n", len(contractABI.Entrys))
65
		maxFunctions := 5
66
		if len(contractABI.Entrys) < maxFunctions {
67
			maxFunctions = len(contractABI.Entrys)
68
		}
69

70
		fmt.Println("\nFunction Overview:")
71
		for i := 0; i < maxFunctions; i++ {
72
			entry := contractABI.Entrys[i]
73
			fmt.Printf("%d. Name: %s, Type: %s\n", i+1, entry.Name, entry.Type)
74
			if len(entry.Inputs) > 0 {
75
				fmt.Print("   Parameters: ")
76
				for j, input := range entry.Inputs {
77
					fmt.Printf("%s (%s)", input.Name, input.Type)
78
					if j < len(entry.Inputs)-1 {
79
						fmt.Print(", ")
80
					}
81
				}
82
				fmt.Println()
83
			}
84
			if len(entry.Outputs) > 0 {
85
				fmt.Print("   Returns: ")
86
				for j, output := range entry.Outputs {
87
					fmt.Printf("%s (%s)", output.Name, output.Type)
88
					if j < len(entry.Outputs)-1 {
89
						fmt.Print(", ")
90
					}
91
				}
92
				fmt.Println()
93
			}
94
		}
95

96
		if len(contractABI.Entrys) > maxFunctions {
97
			fmt.Printf("\n... and %d more functions\n", len(contractABI.Entrys)-maxFunctions)
98
		}
99
	} else {
100
		fmt.Println("No function entries found in this contract's ABI.")
101
	}
102
}

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