Estimate Gas

The "Estimate Gas" feature in the KrypC wallet-dev Service API allows users to obtain an estimation of the gas consumption for a proposed transaction on the blockchain. This provides valuable insight into the anticipated transaction cost, helping users make informed decisions about resource allocation and optimizing their interactions with decentralized networks.

This Estimating Gas consumption using this method.

API Specification

To estimate Gas API

POST https://api.krypcore.com/api/v0/devWallet/estimateGas

To estimate Gas API under the given instance.

Headers

Name	Type	Description
DappId*	String	DappId
Authorization*	String	User Auth key obtained
SubscriptionId	String	SubscriptionId
ChainId	String	ChainId

Request Body

Name	Type	Description
privateKey*	String	Private Key
to*	String	Message
chainId*	String	Chain ID
method*	String	Method
params*	String	Params
isContractTxn*	String	IsContractTxn
contractABI*	String	ContractABI

200: OK SUCCESS

{
    "Data": {
        "address": "0x11266906F2Eb9422924F3471F159377E2ED7c44C",
        "estimatedGas": 23912
    },
    "Message": "",
    "Status": "SUCCESS"
}

401: Unauthorized Failure in authentication

{
    "message": "Invalid API key in request"
}

500: Internal Server Error Key values should be given

{
    "message": "Internal Server Error"
}

Take a look at how you might call this method using our official libraries, or via curl

curl

curl --location 'https://api.krypcore.com/api/v0/devWallet/estimateGas' \
--header 'DappId: **********' \
--header 'Authorization: **********' \
--header 'SubscriptionId: ********' \
--header 'ChainId: ********' \
--header 'Content-Type: application/json' \
--data '{
     "privateKey": "**********",
    "to": "**********",
    "chainId": 80001,
    "method": "store",
    "params": [
        {
            "type": "uint256",
            "value": "35"
        }
    ],
    "isContractTxn": true,
    "contractABI": "[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"store\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"retrieve\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]"
}'

Node.js (Fetch)

var myHeaders = new Headers();
myHeaders.append("DappId", "**********");
myHeaders.append("Authorization", "**********");
myHeaders.append("SubscriptionId", "********");
myHeaders.append("ChainId", "********");
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
  "privateKey": "**********",
  "to": "**********",
  "chainId": 80001,
  "method": "store",
  "params": [
    {
      "type": "uint256",
      "value": "35"
    }
  ],
  "isContractTxn": true,
  "contractABI": "[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"store\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"retrieve\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]"
});

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: raw,
  redirect: 'follow'
};

fetch("https://api.krypcore.com/api/v0/devWallet/estimateGas", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

Python

import requests
import json

url = "https://api.krypcore.com/api/v0/devWallet/estimateGas"

payload = json.dumps({
  "privateKey": "**********",
  "to": "**********",
  "chainId": 80001,
  "method": "store",
  "params": [
    {
      "type": "uint256",
      "value": "35"
    }
  ],
  "isContractTxn": True,
  "contractABI": "[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"store\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"retrieve\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]"
})
headers = {
  'DappId': '**********',
  'Authorization': '**********',
  'SubscriptionId': '********',
  'ChainId': '********',
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

Golang

package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://api.krypcore.com/api/v0/devWallet/estimateGas"
  method := "POST"

  payload := strings.NewReader(`{
     "privateKey": "**********",
    "to": "**********",
    "chainId": 80001,
    "method": "store",
    "params": [
        {
            "type": "uint256",
            "value": "35"
        }
    ],
    "isContractTxn": true,
    "contractABI": "[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"num\",\"type\":\"uint256\"}],\"name\":\"store\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"retrieve\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]"
}`)

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("DappId", "**********")
  req.Header.Add("Authorization", "**********")
  req.Header.Add("SubscriptionId", "********")
  req.Header.Add("ChainId", "********")
  req.Header.Add("Content-Type", "application/json")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}