EstimateEnergy gRPC Method

パラメータ

出典

文字列

必須

読み込み中...

contractAddress

文字列

必須

読み込み中...

method

文字列

必須

読み込み中...

jsonString

文字列

必須

読み込み中...

tAmount

整数

必須

読み込み中...

tTokenID

文字列

必須

読み込み中...

tTokenAmount

整数

必須

読み込み中...

返します

結果

オブジェクト

読み込み中...

結果

ブール値

読み込み中...

コード

文字列

読み込み中...

メッセージ

文字列

読み込み中...

energy_required

整数

読み込み中...

リクエスト

1
パッケージ main
2

3
インポート (
4
   「文脈」
5
   "crypto/tls"
6
   "encoding/json"
7
   "fmt"
8
   "github.com/fbsobreira/gotron-sdk/pkg/client"
9
   "google.golang.grpc"
10
   "google.golang.grpc"
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 トークン = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
タイプ auth 構造体 {
22
   token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx コンテキスト.Context, uri ...文字列) (map[文字列]文字列, エラー) {
26
   return map[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity(auth) bool {
32
   return 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 := client.NewGrpcClient(endpoint)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   defer conn.Conn.Close()
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
   if 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
パッケージ main
2

3
インポート (
4
   「文脈」
5
   "crypto/tls"
6
   "encoding/json"
7
   "fmt"
8
   "github.com/fbsobreira/gotron-sdk/pkg/client"
9
   "google.golang.grpc"
10
   "google.golang.grpc"
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 トークン = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
タイプ auth 構造体 {
22
   token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx コンテキスト.Context, uri ...文字列) (map[文字列]文字列, エラー) {
26
   return map[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity(auth) bool {
32
   return 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 := client.NewGrpcClient(endpoint)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   defer conn.Conn.Close()
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
   if 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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