EstimateEnergy gRPC Method
Paramètres
de
chaîne de caractères
OBLIGATOIRE
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contractAddress
chaîne de caractères
OBLIGATOIRE
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method
chaîne de caractères
OBLIGATOIRE
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jsonString
chaîne de caractères
OBLIGATOIRE
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tAmount
entier
OBLIGATOIRE
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tTokenID
chaîne de caractères
OBLIGATOIRE
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tTokenAmount
entier
OBLIGATOIRE
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Retours
résultat
objet
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résultat
booléen
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code
chaîne de caractères
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message
chaîne de caractères
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energy_required
entier
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Demande
1paquet principal23import (4« contexte »5« crypto/tls »6« encoding/json »7« fmt »8« github.sdk »9« google.golang.grpc »10« google.golang.grpc »11)1213// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token14// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde12345678915// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051 {50051 is the port number for Tron gRPC}16// token will be : abcde1234567891718var jeton = "VOTRE_TOKEN"19var endpoint = "VOTRE_POINT_DE_FIN :50051"2021type auth struct {22token string23}2425func (a *auth) GetRequestMetadata(ctx contexte.Context, uri ...chaîne) (carte[chaîne]chaîne, erreur) {26return map[string]string{27"x-token": a.token,28}, nil29}3031func (a *auth) RequireTransportSecurity() bool {32return false33}3435func main() {3637opts := []grpc.DialOption{38grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),39grpc.WithPerRPCCredentials(&auth{token}),40}41conn := client.NewGrpcClient(endpoint)42if err := conn.Start(opts...); err != nil {43panic(err)44}45defer conn.Conn.Close()4647from := "TTGhREx2pDSxFX555NWz1YwGpiBVPvQA7e"48contractAddress := "TVSvjZdyDSNocHm7dP3jvCmMNsCnMTPa5W"49method := "transfer(address,uint256)"50jsonString := `[{"address": "TE4c73WubeWPhSF1nAovQDmQytjcaLZyY9"},{"uint256": "100"}]`51tAmount := int64(0)52tTokenID := ""53tTokenAmount := int64(0)5455fmt.Println("Estimating energy for contract call...")5657energy, err := conn.EstimateEnergy(58from, // Caller's address59contractAddress, // Contract address60method, // Function selector61jsonString, // Parameters in JSON format62tAmount, // TRX value to send63tTokenID, // Token ID (if applicable)64tTokenAmount, // Token value (if applicable)65)6667if err != nil {68fmt.Printf("Error estimating energy: %v\n", err)69retour70}7172fmt.Println("Energy estimation successful! Results:")73jsonData, _ := json.MarshalIndent(energy, "", " ")74fmt.Println(string(jsonData))7576if !energy.Result.Result {77fmt.Println("Energy estimation failed!")78if len(energy.Result.Message) > 0 {79fmt.Printf("Error message: %s\n", energy.Result.Message)80}81retour82}8384energyRequired := energy.EnergyRequired85energyBuffer := energyRequired / 5 // Add 20% buffer86recommendedFeeLimit := (energyRequired + energyBuffer) * 4208788fmt.Printf("\nEstimated energy required: %d\n", energyRequired)89fmt.Printf("Recommended fee limit (with 20%% buffer): %d SUN\n", recommendedFeeLimit)90fmt.Println("\nYou can use this fee limit when making the actual transaction.")91}
1paquet principal23import (4« contexte »5« crypto/tls »6« encoding/json »7« fmt »8« github.sdk »9« google.golang.grpc »10« google.golang.grpc »11)1213// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token14// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde12345678915// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051 {50051 is the port number for Tron gRPC}16// token will be : abcde1234567891718var jeton = "VOTRE_TOKEN"19var endpoint = "VOTRE_POINT_DE_FIN :50051"2021type auth struct {22token string23}2425func (a *auth) GetRequestMetadata(ctx contexte.Context, uri ...chaîne) (carte[chaîne]chaîne, erreur) {26return map[string]string{27"x-token": a.token,28}, nil29}3031func (a *auth) RequireTransportSecurity() bool {32return false33}3435func main() {3637opts := []grpc.DialOption{38grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),39grpc.WithPerRPCCredentials(&auth{token}),40}41conn := client.NewGrpcClient(endpoint)42if err := conn.Start(opts...); err != nil {43panic(err)44}45defer conn.Conn.Close()4647from := "TTGhREx2pDSxFX555NWz1YwGpiBVPvQA7e"48contractAddress := "TVSvjZdyDSNocHm7dP3jvCmMNsCnMTPa5W"49method := "transfer(address,uint256)"50jsonString := `[{"address": "TE4c73WubeWPhSF1nAovQDmQytjcaLZyY9"},{"uint256": "100"}]`51tAmount := int64(0)52tTokenID := ""53tTokenAmount := int64(0)5455fmt.Println("Estimating energy for contract call...")5657energy, err := conn.EstimateEnergy(58from, // Caller's address59contractAddress, // Contract address60method, // Function selector61jsonString, // Parameters in JSON format62tAmount, // TRX value to send63tTokenID, // Token ID (if applicable)64tTokenAmount, // Token value (if applicable)65)6667if err != nil {68fmt.Printf("Error estimating energy: %v\n", err)69retour70}7172fmt.Println("Energy estimation successful! Results:")73jsonData, _ := json.MarshalIndent(energy, "", " ")74fmt.Println(string(jsonData))7576if !energy.Result.Result {77fmt.Println("Energy estimation failed!")78if len(energy.Result.Message) > 0 {79fmt.Printf("Error message: %s\n", energy.Result.Message)80}81retour82}8384energyRequired := energy.EnergyRequired85energyBuffer := energyRequired / 5 // Add 20% buffer86recommendedFeeLimit := (energyRequired + energyBuffer) * 4208788fmt.Printf("\nEstimated energy required: %d\n", energyRequired)89fmt.Printf("Recommended fee limit (with 20%% buffer): %d SUN\n", recommendedFeeLimit)90fmt.Println("\nYou can use this fee limit when making the actual transaction.")91}
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