EstimateEnergy gRPC Method

Parâmetros

de

cadeia de caracteres

OBRIGATÓRIO

A carregar...

contractAddress

cadeia de caracteres

OBRIGATÓRIO

A carregar...

method

cadeia de caracteres

OBRIGATÓRIO

A carregar...

jsonString

cadeia de caracteres

OBRIGATÓRIO

A carregar...

tAmount

número inteiro

OBRIGATÓRIO

A carregar...

tTokenID

cadeia de caracteres

OBRIGATÓRIO

A carregar...

tTokenAmount

número inteiro

OBRIGATÓRIO

A carregar...

Devoluções

resultado

objeto

A carregar...

resultado

booleano

A carregar...

código

cadeia de caracteres

A carregar...

mensagem

cadeia de caracteres

A carregar...

energy_required

número inteiro

A carregar...

Pedido

1
pacote principal
2

3
importar (
4
   "contexto"
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
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var ponto final = "O_SEU_PONTO_DE_ACESSO:50051"
20

21
tipo auth estrutura {
22
   token cadeia de caracteres
23
}
24

25
func (a *auth) GetRequestMetadata(ctx contexto.Context, uri ...string) (mapa[string]string, erro) {
26
   retornar mapa[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
   retornar false
33
}
34

35
func main() {
36

37
   opts := []grpc.DialOption{
38
      grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
      grpc.WithPerRPCCredentials(&auth{token}),
40
   }
41
   conn := cliente.NewGrpcClient(ponto de extremidade)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   adiar conn.Conn.Fechar()
46

47
   from := "TTGhREx2pDSxFX555NWz1YwGpiBVPvQA7e"
48
   contractAddress := "TVSvjZdyDSNocHm7dP3jvCmMNsCnMTPa5W"
49
   method := "transfer(address,uint256)"
50
   jsonString := `[{"address": "TE4c73WubeWPhSF1nAovQDmQytjcaLZyY9"},{"uint256": "100"}]`
51
   tAmount := int64(0)
52
   tTokenID := ""
53
   tTokenAmount := int64(0)
54

55
   fmt.Println("Estimating energy for contract call...")
56
   
57
   energy, err := conn.EstimateEnergy(
58
      from,            // Caller's address
59
      contractAddress, // Contract address
60
      method,          // Function selector
61
      jsonString,      // Parameters in JSON format
62
      tAmount,         // TRX value to send
63
      tTokenID,        // Token ID (if applicable)
64
      tTokenAmount,    // Token value (if applicable)
65
   )
66
   
67
   se err != nil {
68
      fmt.Printf("Error estimating energy: %v\n", err)
69
      return
70
   }
71
   
72
   fmt.Println("Energy estimation successful! Results:")
73
   jsonData, _ := json.MarshalIndent(energy, "", "  ")
74
   fmt.Println(string(jsonData))
75
   
76
   if !energy.Result.Result {
77
      fmt.Println("Energy estimation failed!")
78
      if len(energy.Result.Message) > 0 {
79
         fmt.Printf("Error message: %s\n", energy.Result.Message)
80
      }
81
      return
82
   }
83
   
84
   energyRequired := energy.EnergyRequired
85
   energyBuffer := energyRequired / 5 // Add 20% buffer
86
   recommendedFeeLimit := (energyRequired + energyBuffer) * 420
87
   
88
   fmt.Printf("\nEstimated energy required: %d\n", energyRequired)
89
   fmt.Printf("Recommended fee limit (with 20%% buffer): %d SUN\n", recommendedFeeLimit)
90
   fmt.Println("\nYou can use this fee limit when making the actual transaction.")
91
}

1
pacote principal
2

3
importar (
4
   "contexto"
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
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var ponto final = "O_SEU_PONTO_DE_ACESSO:50051"
20

21
tipo auth estrutura {
22
   token cadeia de caracteres
23
}
24

25
func (a *auth) GetRequestMetadata(ctx contexto.Context, uri ...string) (mapa[string]string, erro) {
26
   retornar mapa[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
   retornar false
33
}
34

35
func main() {
36

37
   opts := []grpc.DialOption{
38
      grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
      grpc.WithPerRPCCredentials(&auth{token}),
40
   }
41
   conn := cliente.NewGrpcClient(ponto de extremidade)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   adiar conn.Conn.Fechar()
46

47
   from := "TTGhREx2pDSxFX555NWz1YwGpiBVPvQA7e"
48
   contractAddress := "TVSvjZdyDSNocHm7dP3jvCmMNsCnMTPa5W"
49
   method := "transfer(address,uint256)"
50
   jsonString := `[{"address": "TE4c73WubeWPhSF1nAovQDmQytjcaLZyY9"},{"uint256": "100"}]`
51
   tAmount := int64(0)
52
   tTokenID := ""
53
   tTokenAmount := int64(0)
54

55
   fmt.Println("Estimating energy for contract call...")
56
   
57
   energy, err := conn.EstimateEnergy(
58
      from,            // Caller's address
59
      contractAddress, // Contract address
60
      method,          // Function selector
61
      jsonString,      // Parameters in JSON format
62
      tAmount,         // TRX value to send
63
      tTokenID,        // Token ID (if applicable)
64
      tTokenAmount,    // Token value (if applicable)
65
   )
66
   
67
   se err != nil {
68
      fmt.Printf("Error estimating energy: %v\n", err)
69
      return
70
   }
71
   
72
   fmt.Println("Energy estimation successful! Results:")
73
   jsonData, _ := json.MarshalIndent(energy, "", "  ")
74
   fmt.Println(string(jsonData))
75
   
76
   if !energy.Result.Result {
77
      fmt.Println("Energy estimation failed!")
78
      if len(energy.Result.Message) > 0 {
79
         fmt.Printf("Error message: %s\n", energy.Result.Message)
80
      }
81
      return
82
   }
83
   
84
   energyRequired := energy.EnergyRequired
85
   energyBuffer := energyRequired / 5 // Add 20% buffer
86
   recommendedFeeLimit := (energyRequired + energyBuffer) * 420
87
   
88
   fmt.Printf("\nEstimated energy required: %d\n", energyRequired)
89
   fmt.Printf("Recommended fee limit (with 20%% buffer): %d SUN\n", recommendedFeeLimit)
90
   fmt.Println("\nYou can use this fee limit when making the actual transaction.")
91
}

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