The "Sign TxHash" feature in the KrypC wallet-dev Service API enables users to securely sign transaction hashes, providing a cryptographic signature for specific transaction data on the blockchain. This capability enhances security and authenticity verification, ensuring a reliable method for confirming the integrity and authorization of transactions within decentralized systems.
This Submit Transaction using this method.
API Specification
Sign TxHash API
POST
https://api.krypcore.com/api/v0/devWallet/signTxHash
To sign TxHah API under the given instance.
Request Body
200: OK SUCCESS 401: Unauthorized Failure in authentication 500: Internal Server Error Key values should be given
Copy {
"Data": "wEYz8E2zxuDMos+c1E8ZFQzq49uFZK/R+3LSZLAMPrQXNPaxzlRjE4rkMTPRCz64vmkb9hUeTtVvhgDG61qc9wE=",
"Message": "Signed txn hash successfully",
"Status": "SUCCESS"
}
Copy {
"message": "Invalid API key in request"
}
Copy {
"message": "Internal Server Error"
}
Take a look at how you might call this method using our official libraries, or via curl
curl Node.js (Fetch) Python Golang
Copy
curl --location 'https://api.krypcore.com/api/v0/devWallet/signTxHash' \
--header 'DappId: **********' \
--header 'Authorization: **********' \
--header 'SubscriptionId: ********' \
--header 'ChainId: ********' \
--header 'Content-Type: application/json' \
--data '{
"privateKey": "**********",
"txnHash":"**********"
}'
Copy
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": "**********",
"txnHash": "**********"
});
var requestOptions = {
method: 'POST',
headers: myHeaders,
body: raw,
redirect: 'follow'
};
fetch("https://api.krypcore.com/api/v0/devWallet/signTxHash", requestOptions)
.then(response => response.text())
.then(result => console.log(result))
.catch(error => console.log('error', error));
Copy
import requests
import json
url = "https://api.krypcore.com/api/v0/devWallet/signTxHash"
payload = json.dumps({
"privateKey": "**********",
"txnHash": "**********"
})
headers = {
'DappId': '**********',
'Authorization': '**********',
'SubscriptionId': '********',
'ChainId': '********',
'Content-Type': 'application/json'
}
response = requests.request("POST", url, headers=headers, data=payload)
print(response.text)
Copy
package main
import (
"fmt"
"strings"
"net/http"
"io/ioutil"
)
func main() {
url := "https://api.krypcore.com/api/v0/devWallet/signTxHash"
method := "POST"
payload := strings.NewReader(`{
"privateKey": "**********",
"txnHash":"**********"
}`)
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))
}
Last updated 8 months ago