ListNodes gRPC Method

Parameters

This method does not accept any parameters

Returns

nodes

array

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address

object

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host

string

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port

integer

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error

object

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Request

1
package main
2

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

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

14

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// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
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// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
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// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
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// token will be : abcde123456789
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var token = "YOUR_TOKEN"
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var endpoint = "YOUR_ENDPOINT:50051"
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23

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type auth struct {
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	token string
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}
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func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
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	return map[string]string{
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		"x-token": a.token,
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	}, nil
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}
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func (a *auth) RequireTransportSecurity() bool {
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	return false
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}
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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
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		grpc.WithPerRPCCredentials(&auth{token}),
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	}
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	conn := client.NewGrpcClient(endpoint)
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	if err := conn.Start(opts...); err != nil {
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		panic(err)
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	}
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	fmt.Println("Listing network nodes:")
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	nodes, err := conn.ListNodes()
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	if err != nil {
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		fmt.Printf("Error listing nodes: %v\n", err)
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		return
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	}
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	nodeJSON, err := json.MarshalIndent(nodes, "", "  ")
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	if err != nil {
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		fmt.Printf("Error marshaling to JSON: %v\n", err)
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		return
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	}
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	fmt.Println(string(nodeJSON))
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}

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"
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var endpoint = "YOUR_ENDPOINT:50051"
22

23

24
type auth struct {
25
	token string
26
}
27

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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
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}
37

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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
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		grpc.WithPerRPCCredentials(&auth{token}),
42
	}
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	conn := client.NewGrpcClient(endpoint)
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	if err := conn.Start(opts...); err != nil {
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		panic(err)
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	}
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	fmt.Println("Listing network nodes:")
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	nodes, err := conn.ListNodes()
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	if err != nil {
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		fmt.Printf("Error listing nodes: %v\n", err)
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		return
53
	}
54

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	nodeJSON, err := json.MarshalIndent(nodes, "", "  ")
56
	if err != nil {
57
		fmt.Printf("Error marshaling to JSON: %v\n", err)
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		return
59
	}
60

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	fmt.Println(string(nodeJSON))
62

63
}

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