tencent cloud

'{"mode":"goods","buyQuantity":1,"env":0,"currencyType":"USD","platform":"android","productId":"testproductId","goodsPrice":10,"outTradeNo":"xxxxxx","attach":"testdata"}'

  import hmac
  import hashlib
  import urllib.parse

  # signData: The original payment string. Note that signData must be exactly the same as the parameters sent from the frontend, including spaces and line breaks. It is recommended to generate and send it from the backend.
  # appkey: The payment key
  # method: The signing method: requestMidasPaymentGameItem.
  def gen_pay_sig(signData, appkey, method):
      need_encode_body = method + '&' + sign_data
      print(need_encode_body)
      return hmac.new(key=appkey.encode('utf-8'), msg=need_encode_body.encode('utf-8'),
              digestmod=hashlib.sha256).hexdigest()

import hmac
import hashlib
import json
import time

def calc_signature(post_body, session_key):
    ## User login state signature algorithm
    ##  Args:
    ##      post_body - HTTP POST body
    ##      session_key - Current user's valid session_key, refer to the jscode2session API
    ##  Returns:
    ##      User login state signature
    """
    need_sign_msg = post_body
    signature = hmac.new(key = session_key.encode('utf-8'), msg = need_sign_msg.encode('utf-8'),
                       digestmod=hashlib.sha256).hexdigest()
    return signature

 wx.requestMidasPaymentGameItem({
    signData: '{"mode":"goods","buyQuantity":1,"env":0,"currencyType":"USD","platform":"android","productId":"testproductId","goodsPrice":10,"outTradeNo":"xxxxxx","attach":"testdata"}',
    paySig: 'd0b8bbccbe34ed11549bcfd6602b08711f4acc0965253a949cd6a2b895152f9d',
    signature: 'd0b8bbccbe34ed11549bcfd6602b08711f4acc0965253a949cd6a2b895152f9d',
    success({errMsg, errCode }) {
       console.log('pay successfully ', errCode);
    },
    fail({ errMsg, errCode }) {
       console.error(errMsg, errCode)
  }

  @ProxyService(proxy = MiniOpenApiProxy.class)
public class MiniOpenApiProxyImpl extends MiniOpenApiProxy {

    @Override
    public void requestMidasPaymentGameItem(IMiniAppContext miniAppContext, JSONObject params, AsyncResult result) {
        // call your custom payment implementation  
        boolean paySuccess = PaymentManagerV2.g().startMidasPayment(miniAppContext, params, result);
        // notify payment result with AsynResult 
        if(paySuccess){
            result.onReceiveResult(true,successData);
        }else{
            result.onReceiveResult(false,failedData);
        }
    }
  }

- (void)requestMidasPaymentGameItem:(TMFMiniAppInfo *)app params:(NSDictionary *)params completionHandler:(MACommonCallback)completionHandler{
    [[TCMPPDemoPayManager sharedInstance] checkPreOrder:params appType:1 completionHandler:^(NSError * _Nullable err, PayResponseData * _Nullable result) {
        if (!err) {
            dispatch_async(dispatch_get_main_queue(), ^{
                TCMPPDemoPaymentMethodsController *payMethodVC = [[TCMPPDemoPaymentMethodsController alloc]init];
                payMethodVC.payResponseData = result;
                payMethodVC.app = app;
                [[[DebugInfo sharedInstance] topViewController].navigationController pushViewController:payMethodVC animated:NO];
                payMethodVC.completeHandle = ^(NSDictionary * _Nullable result, NSError * _Nullable error) {
                    completionHandler(result,error);
                };
            });
        } 
    }];
}