GetContractABI gRPC Method

Parameters

contractAddress

tekenreeks

VERPLICHT

Bezig met laden...

Retourzendingen

entrys

array

Bezig met laden...

anonymous

booleaanse waarde

Bezig met laden...

constant

booleaanse waarde

Bezig met laden...

naam

tekenreeks

Bezig met laden...

inputs

array

Bezig met laden...

indexed

booleaanse waarde

Bezig met laden...

naam

tekenreeks

Bezig met laden...

type

tekenreeks

Bezig met laden...

outputs

array

Bezig met laden...

indexed

booleaanse waarde

Bezig met laden...

naam

tekenreeks

Bezig met laden...

type

tekenreeks

Bezig met laden...

type

tekenreeks

Bezig met laden...

payable

booleaanse waarde

Bezig met laden...

stateMutability

tekenreeks

Bezig met laden...

Verzoek

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"
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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{
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		"x-token": a.token,
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	}, nil
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}
31

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

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

48
	contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
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	fmt.Printf("Fetching ABI for contract: %s\n", contractAddress)
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	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 {
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		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))
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		maxFunctions := 5
66
		if len(contractABI.Entrys) < maxFunctions {
67
			maxFunctions = len(contractABI.Entrys)
68
		}
69

70
		fmt.Println("\nFunction Overview:")
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		for i := 0; i < maxFunctions; i++ {
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			entry := contractABI.Entrys[i]
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			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
				}
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				fmt.Println()
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			}
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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