# GenerateUserOp

With "generateUserOp" on Krypcore, you can easily execute user operations. This powerful feature allows users to establish, customise, and manage numerous operations within their smart contract wallet in a few simple clicks, providing a streamlined and user-friendly experience. Unleash the power of personalised and efficient control over your digital assets.

This deploys GenerateUserOp using this method. 

## API Specification

## GenerateUserOp Details

<mark style="color:green;">`POST`</mark> `https://web3-proxy-dev.krypcore.com/api/v0/scWallet/generateUserOp`

To generateUserOp under the given instance.&#x20;

#### Headers

| Name                                            | Type   | Description            |
| ----------------------------------------------- | ------ | ---------------------- |
| DappId<mark style="color:red;">\*</mark>        | String | DappId                 |
| Authorization<mark style="color:red;">\*</mark> | String | User Auth key obtained |

#### Request Body

| Name                                            | Type   | Description   |
| ----------------------------------------------- | ------ | ------------- |
| walletName<mark style="color:red;">\*</mark>    | String | Wallet Name   |
| to<mark style="color:red;">\*</mark>            | String | To Address    |
| method<mark style="color:red;">\*</mark>        | String | Method        |
| params<mark style="color:red;">\*</mark>        | String | Params        |
| isContractTxn<mark style="color:red;">\*</mark> | String | IsContractTxn |
| contractABI<mark style="color:red;">\*</mark>   | String | ContractABI   |

{% tabs %}
{% tab title="200: OK SUCCESS" %}

```javascript

{
    "Data": {
        "userOp": {
            "callData": "******",
            "callGasLimit": "0x34b8",
            "initCode": "******",
            "maxFeePerGas": "0xa8621424",
            "maxPriorityFeePerGas": "0xa8621424",
            "nonce": "0x0",
            "paymasterAndData": "0x",
            "preVerificationGas": "0xc57e",
            "sender": "*****",
            "signature": "0x",
            "verificationGasLimit": "0x684eb"
        },
        "userOpHash": "******"
    },
    "Message": "",
    "Status": "SUCCESS"
}
```

{% endtab %}

{% tab title="500: Internal Server Error Key values should be given" %}

```javascript
{
    "message": "Internal Server Error"
}
```

{% endtab %}

{% tab title="401: Unauthorized Failure in authentication" %}

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

{% endtab %}
{% endtabs %}

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

{% tabs %}
{% tab title="curl" %}

```bash

curl --location 'https://web3-proxy-dev.krypcore.com/api/v0/scWallet/generateUserOp' \
--header 'DappId: ******' \
--header 'Authorization: ******' \
--header 'Content-Type: application/json' \
--data '{"walletName":"ak10", "to":"0xc2de797fab7d2d2b26246e93fcf2cd5873a90b10","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\"}]"}'
```

{% endtab %}

{% tab title="Node.js (Fetch)" %}

```javascript

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

var raw = JSON.stringify({
  "walletName": "ak10",
  "to": "0xc2de797fab7d2d2b26246e93fcf2cd5873a90b10",
  "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://web3-proxy-dev.krypcore.com/api/v0/scWallet/generateUserOp", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));
```

{% endtab %}

{% tab title="Python " %}

```python

import requests
import json

url = "https://web3-proxy-dev.krypcore.com/api/v0/scWallet/generateUserOp"

payload = json.dumps({
  "walletName": "ak10",
  "to": "0xc2de797fab7d2d2b26246e93fcf2cd5873a90b10",
  "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': '******',
  'Content-Type': 'application/json'
}

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

print(response.text)
```

{% endtab %}

{% tab title="Golang" %}

```go

package main

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

func main() {

  url := "https://web3-proxy-dev.krypcore.com/api/v0/scWallet/generateUserOp"
  method := "POST"

  payload := strings.NewReader(`{"walletName":"ak10", "to":"0xc2de797fab7d2d2b26246e93fcf2cd5873a90b10","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("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))
}
```

{% endtab %}
{% endtabs %}