Subscribe to P2P large amount payment account changes

Subscribe to P2P large amount payment account changes

This interface is provided by merchants that connect to P2P business. If the switch for subscribing to large-value bank card payment changes is turned on, the platform will request this interface when there is a change in the large-value bank card payment account. When receiving an HTTP request, please respond with httpcode=200 (HTTP response status code), otherwise the notification will be sent 16 times within 5 hours.

Notification Parameters

Parameter	Type	Required	Description	Example
id	string	Y	Bank card unique ID	10
bankName	string	Y	Bank Name	State Bank of India
accountNumber	string	Y	Bank card number	41459877630
name	string	Y	Payee Name	Sachin Pujeri
ifscCode	string	Y	IFSC	SBIN0000899
branchName	string	Y	Branch Name	sagar Bank
status	int	Y	Current status of bank card 0-online 1-offline 2-deleted	0
operationType	int	Y	Operation type 0-Add 1-Edit 2-Go online 3-Go offline 4-Delete	0
operationTime	long	Y	Trigger time (timestamp: milliseconds)	1705128180000
sign	string	Y	sign	EcCs7GlN1UzEAflgpyJ4lKIHe9+lS/gdkcEvWI +nSlcvvz1c+Dg4Zi8sFmpYaoOMGxS3/BY66F Gq2TXzVGhAciq2kFmwZFtYbFvr7xPTaNf/n0R u7ZtV/jo3uBnfc9/JI6XlEWlIbPtGsVpH7CLhzgh dqIT+YbPEdhX2ZKETFTTfIj6PzctY9eOsZ51Yb HYnXv0jTWn1hdPoDofAF9RmoNaXK4FGYibQ BSvVA6w4rM6hCXlbTeHdMc4askrZlrHeG3uhyD 34VlXs74cdzAZ+oROMXBcgXR4ObsJVDFz9tsJ H92iaxlKTF0lEFZa/To5ezLpHvTOAK0uY/K6IxvO AAg==

Asynchronous Notification Message Example

{
  "id":"25",
  "bankName":"State Bank of India",
  "accountNumber":"41459877630",
  "name":"Sachin Pujeri",
  "ifscCode":"SBIN0000899",
  "branchName":"sagar Bank",
  "status":0,
  "operationType":0,
  "operationTime":1705128180000,
  "sign":"EcCs7GlN1UzEAflgpyJ4lKIHe9+lS/gdkcEvWI+nSlcvvz1c+Dg4Zi8sFmpYaoOMGxS3/BY66FGq2TXzVGhAciq2kFmwZFtYbFvr7xPTaNf/n0Ru7ZtV/jo3uBnfc9/JI6XlEWlIbPtGsVpH7CLhzghdqIT+YbPEdhX2ZKETFTTfIj6PzctY9eOsZ51YbHYnXv0jTWn1hdPoDofAF9RmoNaXK4FGYibQBSvVA6w4rM6hCXlbTeHdMc4askrZlrHeG3uhyD34VlXs74cdzAZ+oROMXBcgXR4ObsJVDFz9tsJH92iaxlKTF0lEFZa/To5ezLpHvTOAK0uY/K6IxvOAAg=="
}

Asynchronous Notification Code Implementation Demo

import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

@RestController
@RequestMapping("callback")
public class TestCallbackController {

    /**
     * Platform public key
     */
    public static String PLATFORM_PUB_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB";

    /**
     * P2P large amount receiving account change callback
     * @param paramMap
     * @param response
     */
    @PostMapping("payIn")
    public void payInCallback(@RequestBody Map<String, Object> paramMap, HttpServletResponse response) throws Exception{
        boolean verifyResult = CheeseTradeRSAUtil.verifySign(paramMap, PLATFORM_PUB_KEY);
        if (verifyResult) {
            //Signature verification successful
            //Order notification business processing logic
            String name = (String)paramMap.get("name");
            String branchName = (String)paramMap.get("branchName");
            String bankName = (String)paramMap.get("bankName");
            Integer operationType = (Integer)paramMap.get("operationType");
            String id = (String)paramMap.get("id");
            String accountNumber = (String)paramMap.get("accountNumber");
            String ifscCode = (String)paramMap.get("ifscCode");
            Integer status = (Integer)paramMap.get("status");
            Long gmtEnd = (Long)paramMap.get("operationTime");
        } else {
            //Signature verification failed
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        }
    }

}

<?php
//This code has been verified in PHP5.6 version
class TestCallbackController 
{

    /**
     * Platform public key
     */
    const PLATFORM_PUB_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB";

    /**
     * P2P large amount receiving account change callback
     * @param paramMap
     * @param response
     */
    public function payInCallback($paramMap, $response) {
        $sign = $paramMap['sign'];
        unset($result['sign']);
        $string = ConnectStrings($paramMap);
        $verifyResult = verifySign($string, $sign,self::PLATFORM_PUB_KEY);
        if ($verifyResult) {
            //Signature verification successful
            //Order notification business processing logic
            $name = $paramMap["name"];
            $branchName = $paramMap["branchName"];
            $bankName = $paramMap["bankName"];
            $operationType = $paramMap["operationType"];
            $id = $paramMap["id"];
            $accountNumber = $paramMap["accountNumber"];
            $ifscCode = $paramMap["ifscCode"];
            $status = $paramMap["status"];
            $operationTime = $paramMap["operationTime"];
        } else {
            //Signature verification failed
            http_response_code(400);
        }
    }

}

//Concatenating strings
 function ConnectStrings($params)
{
    // Get all the keys of the map and sort them
    $keys = array_keys($params);
    sort($keys);

    // Traverse the key list, get the corresponding value, and concatenate it into a string
    $str = '';

    foreach ($keys as $key) {
        $str .=  $key . '=' . $params[$key] . '&';
    }
    $str = rtrim($str, '&');
    return $str;
}  

//Verify signature
function verifySign($data, $sign, $pubKey){
    $sign = base64_decode($sign);
    $key = openssl_pkey_get_public($pubKey);
    $result = openssl_verify($data, $sign, $key, OPENSSL_ALGO_SHA256) === 1;
    return $result;
}

?>

const express = require('express');
const bodyParser = require('body-parser');
//The functions of the introduced signature tool class (CheeseTradeRSAUtil). 
//The signature tool class can refer to the DEMO in "Signature & Verification Algorithm"
const  {verifySign}= require('./CheeseTradeRSAUtil');

const app = express();
//Parsing JSON request body
app.use(bodyParser.json());

// Platform public key
const platPublicKey = `-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1dad35S74jfLPbHJh8P0jDHiTvkxwrtITK97ovVu19B24UdiHyHoEZgtNlS6alFQj1ULQ71d6EPh2rWCNkS2b5HGQXwDYBtwvesVQ8h4Sf3eVPTTLGw3BS7Os4vtDEN6BezMdv3sUG2N5i6JF+5H4CQTq3MD2Cx6u/Cv7oFOdFqeDT0AH+TR7uyZxn69OtkJaHHr834EUcdShJKKMQtbC11WCcut7ilDUgdvZnThiVTq7cfl8mcC9FDKcQ9bMWamScWIB5cJQdUW23Kr0c1NvZlpgPS8U5VODM4Uc4muHJPD2cJmquuJ+4AGP36rEk27lUB3h7B6JI1QGiuh1yyPDwIDAQAB
-----END PUBLIC KEY-----`;

// callback interface
app.post('/callback/P2P', (req, res) => {
    const paramMap = req.body; // Get the parameters in the request body

    try {
        const verifyResult = verifySign(paramMap,platPublicKey);
        if (verifyResult) {
            // Signature verification successful
            const name  = paramMap.name ;
            const branchName = paramMap.branchName;
            const bankName = paramMap.bankName;
            const operationType = paramMap.operationType;
            const id = paramMap.id;
            const accountNumber = paramMap.accountNumber;
            const ifscCode = paramMap.ifscCode;
            const status = paramMap.status;
            const operationTime = paramMap.operationTime;

            // Order notification business processing logic
            console.log('Signature verification successful, order processed:', {
                name,
                branchName,
                bankName,
                operationType,
                id,
                accountNumber,
                ifscCode,
                status,
                operationTime,
            });

            // Return a successful response
            res.status(200).json({ message: 'Successful processing' });
        } else {
            // Signature verification failed
            res.status(400).json({ message: 'Signature verification failed' });
        }
    } catch (error) {
        // Handling Exceptions
        console.error('An error occurred while processing the callback:', error);
        res.status(500).json({ message: 'Internal server error' });
    }
});