MoMoSdk 3.0.0

Welcome to MoMoSdk!

MoMoSdk is a library for interact with MoMo . wallet APIs

Setting

following appsettings.json file:

{   
      "MoMoPayment": {  
    	  "Endpoint": "https://test-payment.momo.vn/v2/gateway/api",  
    	  "AccessKey": "mTCKt9W3eU1m39TW",  
    	  "SecretKey": "SetA5RDnLHvt51AULf51DyauxUo3kDU6",  
    	  "PartnerCode": "MOMOLRJZ20181206",  
    	  "PartnerName": "PRUgift",  
    	  "StoreId": "",  
    	  "RedirectUrl": "https://localhost:7244/Redirect",  
    	  "IpnUrl": "https://3525-14-231-221-55.ap.ngrok.io/api/InstantPaymentNotification"  
      }  
}

Endpoint: MoMo's API AccessKey: your AccessKey SecretKey: your SecretKey PartnerCode: your PartnerCode PartnerName: your PartnerName StoreId: your StoreId RedirectUrl: A partner's URL. This URL is used to redirect from MoMo page to partner's page after customer's payment. IpnUrl: Partner API. Used by MoMo to submit payment results by method (server-to-server) method

Config

add Setting into Program.cs

builder.Services.AddMoMoSdk();

Create Order

add MoMo service

private readonly IMoMoService _momoService;

crete model:

public class CreateOrderViewModel  
{  
    public MoMoRequestType RequestType { get; set; }  
    public string OrderId { get; set; }  
    public string OrderInfo { get; set; }  
    public long Amount { get; set; }  
      
    public DeliveryInfo DeliveryInfo { get; set; }  
      
    public UserInfo UserInfo { get; set; }  
}

create order

PaymentResponse paymentResponse = await _momoService.CreatePayment( model.RequestType,model.OrderId,model.Amount,model.OrderInfo,MoMoCodeHelper.Base64Encode("{}"),new List<Item>(),model.DeliveryInfo,model.UserInfo);

Query Order

QueryResponse queryResponse = await _momoService.QueryPayment(orderId);

Handle Redirect

public void Index([FromQuery] RedirectQuery query)  
{  
    if (_momoService.CheckRedirectUrl(query))  
    {  
        //do somethings here
   }  
  
   throw new Exception("Wrong Signature from MoMo Server");  
}

Handle Instant Payment Notification

[HttpPost]  
public StatusCodeResult Post([FromBody] IPNModel model)  
{  
    if (_momoService.CheckIPN(model))  
    {  
        //do somethings here
  }  
    return BadRequest();  
}

Create Refund

Refund Model

public class RefundViewModel  
{  
    public string OrderId { get; set; }  
    public long Amount { get; set; }  
    public long TransId { get; set; }  
    public string? Description { get; set; }  
}

create request refund

RefundResponse paymentResponse = await _momoService.CreateRefund(model.OrderId,model.Amount,model.TransId,model.Description);

Query Refund

QueryRefundResponse  queryRefundResponse = await _momoService.QueryRefund(orderId);