{"id":16523,"date":"2023-04-08T23:46:40","date_gmt":"2023-04-08T20:16:40","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/how-to-integrate-paytm-payment-gateway-5bbf\/"},"modified":"2023-04-08T23:46:40","modified_gmt":"2023-04-08T20:16:40","slug":"how-to-integrate-paytm-payment-gateway-5bbf","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/how-to-integrate-paytm-payment-gateway-5bbf\/","title":{"rendered":"\u0686\u06af\u0648\u0646\u0647 \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0631\u0627 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u06a9\u0646\u06cc\u0645\u061f"},"content":{"rendered":"
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\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u0645 \u062f\u0627\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Node.js \u0648 Express\u060c \u062f\u0631\u0648\u0627\u0632\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0631\u0627 \u062f\u0631 \u0648\u0628 \u0633\u0627\u06cc\u062a \u06cc\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f. \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0631\u0627\u0647\u06cc \u0627\u0645\u0646 \u0648 \u0622\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u067e\u0630\u06cc\u0631\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0627\u06cc \u0622\u0646\u0644\u0627\u06cc\u0646 \u0627\u0632 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0634\u0645\u0627 \u0627\u0633\u062a. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0628\u0631\u0627\u06cc \u067e\u0630\u06cc\u0631\u0634 \u067e\u0631\u062f\u0627\u062e\u062a\u200c\u0647\u0627 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u0645\u062e\u062a\u0644\u0641\u060c \u0645\u0627\u0646\u0646\u062f \u06a9\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0646\u0642\u062f\u06cc\/\u0627\u0639\u062a\u0628\u0627\u0631\u06cc\u060c UPI\u060c Netbanking\u060c Paytm Wallet \u0648 EMI \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u0648 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f\u0627\u062a\u06cc \u06a9\u0647 \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u0646\u0631\u062e \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0627\u0644\u0627\u060c \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc\u060c \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644\u060c \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0645\u0642\u0631\u0648\u0646 \u0628\u0647 \u0635\u0631\u0641\u0647 \u0648 \u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631 \u0628\u0647\u0631\u0647 \u0645\u0646\u062f \u0634\u0648\u06cc\u062f.<\/strong><\/p>\n

\u06a9\u062f Github<\/strong> : \u0627\u06cc\u0646\u062c\u0627<\/p>\n

\u062d\u0627\u0644\u0627 \u0641\u0642\u0637 \u0627\u06cc\u0646 \u0645\u0631\u0627\u062d\u0644 \u0631\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f: <\/p>\n

\u06cc\u06a9 \u067e\u0648\u0634\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u062f\u0631 VS Code \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n

    \n
  1. \nnpm init -y<\/code> (\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0641\u0627\u06cc\u0644 package.json \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f)<\/li>\n
  2. \nnpm i express nodemon<\/code> (\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 express \u0648 nodemon \u0646\u0635\u0628 \u0645\u06cc \u0634\u0648\u062f)<\/li>\n
  3. \u0648\u0628 \u0633\u0627\u06cc\u062a paytm \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f > \u0628\u0627 \u062d\u0633\u0627\u0628 paytm \u062e\u0648\u062f \u0648\u0627\u0631\u062f \u0634\u0648\u06cc\u062f<\/li>\n
  4. \u0628\u0647 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633 \u0628\u0631\u0648\u06cc\u062f<\/li>\n
  5. \n

    \u0631\u0648\u06cc API Keys \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f<\/p>\n

    \u06cc\u0627\u060c<\/p>\n<\/li>\n<\/ol>\n

    \n
    - Go to [here](https:\/\/business.paytm.com\/integration-builder\/account-setup)\n- Copy the Merchant ID and Merchant Key\n<\/code><\/pre>\n
    \n
    \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
        \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
      \n
    1. \n
      \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u062f\u0631 package.json \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f \"start\": \"nodemon index.js\"<\/code><\/p>\n
      \"scripts\"<\/span>:<\/span> <\/span>{<\/span>\n<\/span>\"start\"<\/span>:<\/span> <\/span>\"nodemon index.js\"<\/span>\n<\/span>}<\/span>,<\/span>\n<\/span><\/code><\/pre>\n<\/li>\n
    2. \n
      \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f index.js<\/code> \u0648 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<\/li>\n<\/ol>\n
      \n
      const<\/span> express<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>express<\/span>\"<\/span>);<\/span>\n\nconst<\/span> https<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>https<\/span>\"<\/span>);<\/span>\nconst<\/span> qs<\/span> =<\/span> require<\/span>(<\/span>\"<\/span>querystring<\/span>\"<\/span>);<\/span>\n\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\n\nconst<\/span> parseUrl<\/span> =<\/span> express<\/span>.<\/span>urlencoded<\/span>({<\/span> extended<\/span>:<\/span> false<\/span> });<\/span>\nconst<\/span> parseJson<\/span> =<\/span> express<\/span>.<\/span>json<\/span>({<\/span> extended<\/span>:<\/span> false<\/span> });<\/span>\n\nconst<\/span> PORT<\/span> =<\/span> process<\/span>.<\/span>env<\/span>.<\/span>PORT<\/span> ||<\/span> 4000<\/span>;<\/span>\n\napp<\/span>.<\/span>get<\/span>(<\/span>\"<\/span>\/<\/span>\"<\/span>,<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span> {<\/span>\n  res<\/span>.<\/span>sendFile<\/span>(<\/span>__dirname<\/span> +<\/span> \"<\/span>\/index.html<\/span>\"<\/span>);<\/span>\n});<\/span>\n\napp<\/span>.<\/span>post<\/span>(<\/span>\"<\/span>\/paynow<\/span>\"<\/span>,<\/span> [<\/span>parseUrl<\/span>,<\/span> parseJson<\/span>],<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span> {<\/span>\n  \/\/ Route for making payment<\/span>\n\n  var<\/span> paymentDetails<\/span> =<\/span> {<\/span>\n    amount<\/span>:<\/span> req<\/span>.<\/span>body<\/span>.<\/span>amount<\/span>,<\/span>\n    customerId<\/span>:<\/span> req<\/span>.<\/span>body<\/span>.<\/span>name<\/span>,<\/span>\n    customerEmail<\/span>:<\/span> req<\/span>.<\/span>body<\/span>.<\/span>email<\/span>,<\/span>\n    customerPhone<\/span>:<\/span> req<\/span>.<\/span>body<\/span>.<\/span>phone<\/span>,<\/span>\n  };<\/span>\n  if<\/span> (<\/span>\n    !<\/span>paymentDetails<\/span>.<\/span>amount<\/span> ||<\/span>\n    !<\/span>paymentDetails<\/span>.<\/span>customerId<\/span> ||<\/span>\n    !<\/span>paymentDetails<\/span>.<\/span>customerEmail<\/span> ||<\/span>\n    !<\/span>paymentDetails<\/span>.<\/span>customerPhone<\/span>\n  )<\/span> {<\/span>\n    res<\/span>.<\/span>status<\/span>(<\/span>400<\/span>).<\/span>send<\/span>(<\/span>\"<\/span>Payment failed<\/span>\"<\/span>);<\/span>\n  }<\/span> else<\/span> {<\/span>\n    var<\/span> params<\/span> =<\/span> {};<\/span>\n    params<\/span>[<\/span>\"<\/span>MID<\/span>\"<\/span>]<\/span> =<\/span> config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>mid<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>WEBSITE<\/span>\"<\/span>]<\/span> =<\/span> config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>website<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>CHANNEL_ID<\/span>\"<\/span>]<\/span> =<\/span> \"<\/span>WEB<\/span>\"<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>INDUSTRY_TYPE_ID<\/span>\"<\/span>]<\/span> =<\/span> \"<\/span>Retail<\/span>\"<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>ORDER_ID<\/span>\"<\/span>]<\/span> =<\/span> \"<\/span>TEST_<\/span>\"<\/span> +<\/span> new<\/span> Date<\/span>().<\/span>getTime<\/span>();<\/span>\n    params<\/span>[<\/span>\"<\/span>CUST_ID<\/span>\"<\/span>]<\/span> =<\/span> paymentDetails<\/span>.<\/span>customerId<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>TXN_AMOUNT<\/span>\"<\/span>]<\/span> =<\/span> paymentDetails<\/span>.<\/span>amount<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>CALLBACK_URL<\/span>\"<\/span>]<\/span> =<\/span> \"<\/span>http:\/\/localhost:3000\/callback<\/span>\"<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>EMAIL<\/span>\"<\/span>]<\/span> =<\/span> paymentDetails<\/span>.<\/span>customerEmail<\/span>;<\/span>\n    params<\/span>[<\/span>\"<\/span>MOBILE_NO<\/span>\"<\/span>]<\/span> =<\/span> paymentDetails<\/span>.<\/span>customerPhone<\/span>;<\/span>\n\n    checksum_lib<\/span>.<\/span>genchecksum<\/span>(<\/span>\n      params<\/span>,<\/span>\n      config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>key<\/span>,<\/span>\n      function<\/span> (<\/span>err<\/span>,<\/span> checksum<\/span>)<\/span> {<\/span>\n        var<\/span> txn_url<\/span> =<\/span>\n          \"<\/span>https:\/\/securegw-stage.paytm.in\/theia\/processTransaction<\/span>\"<\/span>;<\/span> \/\/ for staging<\/span>\n        \/\/ var txn_url = \"https:\/\/securegw.paytm.in\/theia\/processTransaction\"; \/\/ for production<\/span>\n\n        var<\/span> form_fields<\/span> =<\/span> \"\"<\/span>;<\/span>\n        for<\/span> (<\/span>var<\/span> x<\/span> in<\/span> params<\/span>)<\/span> {<\/span>\n          form_fields<\/span> +=<\/span>\n            \"<\/span><input type=\"hidden\" name=\"<\/span>\"<\/span> +<\/span> x<\/span> +<\/span> \"<\/span>\" value=\"<\/span>\"<\/span> +<\/span> params<\/span>[<\/span>x<\/span>]<\/span> +<\/span> \"<\/span>\" ><\/span>\"<\/span>;<\/span>\n        }<\/span>\n        form_fields<\/span> +=<\/span>\n          \"<\/span><input type=\"hidden\" name=\"CHECKSUMHASH\" value=\"<\/span>\"<\/span> +<\/span> checksum<\/span> +<\/span> \"<\/span>\" ><\/span>\"<\/span>;<\/span>\n\n        res<\/span>.<\/span>writeHead<\/span>(<\/span>200<\/span>,<\/span> {<\/span> \"<\/span>Content-Type<\/span>\"<\/span>:<\/span> \"<\/span>text\/html<\/span>\"<\/span> });<\/span>\n        res<\/span>.<\/span>write<\/span>(<\/span>\n          '<\/span><html><head><title>Merchant Checkout Page<\/title><\/head><body><center><h1>Please do not refresh this page...<\/h1><\/center><form method=\"post\" action=\"<\/span>'<\/span> +<\/span>\n            txn_url<\/span> +<\/span>\n            '<\/span>\" name=\"f1\"><\/span>'<\/span> +<\/span>\n            form_fields<\/span> +<\/span>\n            '<\/span><\/form><script type=\"text\/javascript\">document.f1.submit();<\/script><\/body><\/html><\/span>'<\/span>\n        );<\/span>\n        res<\/span>.<\/span>end<\/span>();<\/span>\n      }<\/span>\n    );<\/span>\n  }<\/span>\n});<\/span>\n\napp<\/span>.<\/span>post<\/span>(<\/span>\"<\/span>\/callback<\/span>\"<\/span>,<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span> {<\/span>\n  \/\/ Route for verifiying payment<\/span>\n\n  var<\/span> body<\/span> =<\/span> \"\"<\/span>;<\/span>\n\n  req<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>data<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>data<\/span>)<\/span> {<\/span>\n    body<\/span> +=<\/span> data<\/span>;<\/span>\n  });<\/span>\n\n  req<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>end<\/span>\"<\/span>,<\/span> function<\/span> ()<\/span> {<\/span>\n    var<\/span> html<\/span> =<\/span> \"\"<\/span>;<\/span>\n    var<\/span> post_data<\/span> =<\/span> qs<\/span>.<\/span>parse<\/span>(<\/span>body<\/span>);<\/span>\n\n    \/\/ received params in callback<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>Callback Response: <\/span>\"<\/span>,<\/span> post_data<\/span>,<\/span> \"<\/span>n<\/span>\"<\/span>);<\/span>\n\n    \/\/ verify the checksum<\/span>\n    var<\/span> checksumhash<\/span> =<\/span> post_data<\/span>.<\/span>CHECKSUMHASH<\/span>;<\/span>\n    \/\/ delete post_data.CHECKSUMHASH;<\/span>\n    var<\/span> result<\/span> =<\/span> checksum_lib<\/span>.<\/span>verifychecksum<\/span>(<\/span>\n      post_data<\/span>,<\/span>\n      config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>key<\/span>,<\/span>\n      checksumhash<\/span>\n    );<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>Checksum Result => <\/span>\"<\/span>,<\/span> result<\/span>,<\/span> \"<\/span>n<\/span>\"<\/span>);<\/span>\n\n    \/\/ Send Server-to-Server request to verify Order Status<\/span>\n    var<\/span> params<\/span> =<\/span> {<\/span> MID<\/span>:<\/span> config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>mid<\/span>,<\/span> ORDERID<\/span>:<\/span> post_data<\/span>.<\/span>ORDERID<\/span> };<\/span>\n\n    checksum_lib<\/span>.<\/span>genchecksum<\/span>(<\/span>\n      params<\/span>,<\/span>\n      config<\/span>.<\/span>PaytmConfig<\/span>.<\/span>key<\/span>,<\/span>\n      function<\/span> (<\/span>err<\/span>,<\/span> checksum<\/span>)<\/span> {<\/span>\n        params<\/span>.<\/span>CHECKSUMHASH<\/span> =<\/span> checksum<\/span>;<\/span>\n        post_data<\/span> =<\/span> \"<\/span>JsonData=<\/span>\"<\/span> +<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>params<\/span>);<\/span>\n\n        var<\/span> options<\/span> =<\/span> {<\/span>\n          hostname<\/span>:<\/span> \"<\/span>securegw-stage.paytm.in<\/span>\"<\/span>,<\/span> \/\/ for staging<\/span>\n          \/\/ hostname: 'securegw.paytm.in', \/\/ for production<\/span>\n          port<\/span>:<\/span> 443<\/span>,<\/span>\n          path<\/span>:<\/span> \"<\/span>\/merchant-status\/getTxnStatus<\/span>\"<\/span>,<\/span>\n          method<\/span>:<\/span> \"<\/span>POST<\/span>\"<\/span>,<\/span>\n          headers<\/span>:<\/span> {<\/span>\n            \"<\/span>Content-Type<\/span>\"<\/span>:<\/span> \"<\/span>application\/x-www-form-urlencoded<\/span>\"<\/span>,<\/span>\n            \"<\/span>Content-Length<\/span>\"<\/span>:<\/span> post_data<\/span>.<\/span>length<\/span>,<\/span>\n          },<\/span>\n        };<\/span>\n\n        \/\/ Set up the request<\/span>\n        var<\/span> response<\/span> =<\/span> \"\"<\/span>;<\/span>\n        var<\/span> post_req<\/span> =<\/span> https<\/span>.<\/span>request<\/span>(<\/span>options<\/span>,<\/span> function<\/span> (<\/span>post_res<\/span>)<\/span> {<\/span>\n          post_res<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>data<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>chunk<\/span>)<\/span> {<\/span>\n            response<\/span> +=<\/span> chunk<\/span>;<\/span>\n          });<\/span>\n\n          post_res<\/span>.<\/span>on<\/span>(<\/span>\"<\/span>end<\/span>\"<\/span>,<\/span> function<\/span> ()<\/span> {<\/span>\n            console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>S2S Response: <\/span>\"<\/span>,<\/span> response<\/span>,<\/span> \"<\/span>n<\/span>\"<\/span>);<\/span>\n\n            var<\/span> _result<\/span> =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>response<\/span>);<\/span>\n            if<\/span> (<\/span>_result<\/span>.<\/span>STATUS<\/span> ==<\/span> \"<\/span>TXN_SUCCESS<\/span>\"<\/span>)<\/span> {<\/span>\n              res<\/span>.<\/span>send<\/span>(<\/span>\"<\/span>payment sucess<\/span>\"<\/span>);<\/span>\n            }<\/span> else<\/span> {<\/span>\n              res<\/span>.<\/span>send<\/span>(<\/span>\"<\/span>payment failed<\/span>\"<\/span>);<\/span>\n            }<\/span>\n          });<\/span>\n        });<\/span>\n\n        \/\/ post the data<\/span>\n        post_req<\/span>.<\/span>write<\/span>(<\/span>post_data<\/span>);<\/span>\n        post_req<\/span>.<\/span>end<\/span>();<\/span>\n      }<\/span>\n    );<\/span>\n  });<\/span>\n});<\/span>\n\napp<\/span>.<\/span>listen<\/span>(<\/span>PORT<\/span>,<\/span> ()<\/span> =><\/span> {<\/span>\n  console<\/span>.<\/span>log<\/span>(<\/span>`App is listening on Port <\/span>${<\/span>PORT<\/span>}<\/span>`<\/span>);<\/span>\n});<\/span>\n<\/code><\/pre>\n
      \n
      \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
          \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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      1. \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f index.html<\/code> \u0648 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.\n<\/li>\n<\/ol>\n
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        <!DOCTYPE html><\/span>\n<html<\/span> lang=<\/span>\"en\"<\/span> dir=<\/span>\"ltr\"<\/span>><\/span>\n  <head><\/span>\n    <meta<\/span> charset=<\/span>\"utf-8\"<\/span>><\/span>\n    <link<\/span> rel=<\/span>\"stylesheet\"<\/span> href=<\/span>\"https:\/\/stackpath.bootstrapcdn.com\/bootstrap\/4.5.0\/css\/bootstrap.min.css\"<\/span> integrity=<\/span>\"sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk\"<\/span> crossorigin=<\/span>\"anonymous\"<\/span>><\/span>\n    <title><\/span>Paytm-Nodejs<\/title><\/span>\n  <\/head><\/span>\n  <body<\/span> style=<\/span>\"background-color:#f5f3ef\"<\/span>><\/span>\n    <div<\/span> class=<\/span>\"row my-5\"<\/span>><\/span>\n      <div<\/span> class=<\/span>\"col-md-4 offset-md-4\"<\/span>><\/span>\n        <div<\/span> class=<\/span>\"card\"<\/span>><\/span>\n          <div<\/span> class=<\/span>\"card-body\"<\/span>><\/span>\n            <form<\/span> class=<\/span>\"\"<\/span> action=<\/span>\"\/paynow\"<\/span> method=<\/span>\"post\"<\/span>><\/span>\n              <div<\/span> class=<\/span>\"form-group\"<\/span>><\/span>\n                <label<\/span> for=<\/span>\"\"<\/span>><\/span>Name: <\/label><\/span>\n                <input<\/span> class=<\/span>\"form-control\"<\/span> type=<\/span>\"text\"<\/span> name=<\/span>\"name\"<\/span> value=<\/span>\"\"<\/span>><\/span>\n              <\/div><\/span>\n              <div<\/span> class=<\/span>\"form-group\"<\/span>><\/span>\n                <label<\/span> for=<\/span>\"\"<\/span>><\/span>Email: <\/label><\/span>\n                <input<\/span> class=<\/span>\"form-control\"<\/span> type=<\/span>\"text\"<\/span> name=<\/span>\"email\"<\/span> value=<\/span>\"\"<\/span>><\/span>\n              <\/div><\/span>\n              <div<\/span> class=<\/span>\"form-group\"<\/span>><\/span>\n                <label<\/span> for=<\/span>\"\"<\/span>><\/span>Phone: <\/label><\/span>\n                <input<\/span> class=<\/span>\"form-control\"<\/span> type=<\/span>\"text\"<\/span> name=<\/span>\"phone\"<\/span> value=<\/span>\"\"<\/span>><\/span>\n              <\/div><\/span>\n                <div<\/span> class=<\/span>\"form-group\"<\/span>><\/span>\n                <label<\/span> for=<\/span>\"\"<\/span>><\/span>Amount: <\/label><\/span>\n                <input<\/span> class=<\/span>\"form-control\"<\/span> type=<\/span>\"text\"<\/span> name=<\/span>\"amount\"<\/span> value=<\/span>\"\"<\/span>><\/span>\n              <\/div><\/span>\n              <div<\/span> class=<\/span>\"form-group\"<\/span>><\/span>\n                <button<\/span> class=<\/span>\"btn form-control btn-primary\"<\/span>><\/span>Pay Now<\/button><\/span>\n              <\/div><\/span>\n            <\/form><\/span>\n          <\/div><\/span>\n        <\/div><\/span>\n      <\/div><\/span>\n    <\/div><\/span>\n  <\/body><\/span>\n<\/html><\/span>\n<\/code><\/pre>\n
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        \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
            \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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        1. \u0627\u0635\u0627\u0628\u062a npm start<\/code> \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0633\u0631\u0648\u0631<\/li>\n<\/ol>\n
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          • \u0645\u0631\u0648\u0631\u06af\u0631 \u0641\u0631\u0645 “\u0646\u0627\u0645 \u0634\u0645\u0627\u0631\u0647 \u062a\u0644\u0641\u0646 \u0627\u06cc\u0645\u06cc\u0644” \u0631\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/li>\n<\/ul>\n
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            \u0627\u06af\u0631 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0641\u0627\u06cc\u0644 html \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631 \u0641\u0631\u0645 \u0639\u0645\u0644 \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u06cc\u062f \/paynow<\/code> \u0648 \u0631\u0648\u0634 \u0627\u0633\u062a post<\/code> \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0633\u0631\u0648\u0631 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u0631\u0648\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0633\u0631\u0648\u0631 paytm \u0648 \u0633\u0631\u0648\u0631 paytm \u067e\u0627\u0633\u062e \u0631\u0627 \u0628\u0647 \u0633\u0631\u0648\u0631 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0633\u0631\u0648\u0631 \u067e\u0627\u0633\u062e \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0631\u0648\u0631\u06af\u0631 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f. <\/p>\n<\/blockquote>\n
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            1. \u0648 \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f Paytm<\/code> \u067e\u0648\u0634\u0647 \u0648 \u062f\u0627\u062e\u0644 \u0622\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f checksum.js<\/code> \u0641\u0627\u06cc\u0644 \u0648 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f<\/li>\n<\/ol>\n
              Paytm\/checksum.js<\/code><\/p>\n
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              \"<\/span>use strict<\/span>\"<\/span>;<\/span>\n\nvar<\/span> crypt<\/span> =<\/span> require<\/span>(<\/span>'<\/span>.\/crypt<\/span>'<\/span>);<\/span>\nvar<\/span> util<\/span> =<\/span> require<\/span>(<\/span>'<\/span>util<\/span>'<\/span>);<\/span>\nvar<\/span> crypto<\/span> =<\/span> require<\/span>(<\/span>'<\/span>crypto<\/span>'<\/span>);<\/span>\n\n\/\/mandatory flag: when it set, only mandatory parameters are added to checksum<\/span>\n\nfunction<\/span> paramsToString<\/span>(<\/span>params<\/span>,<\/span> mandatoryflag<\/span>)<\/span> {<\/span>\n  var<\/span> data<\/span> =<\/span> ''<\/span>;<\/span>\n  var<\/span> tempKeys<\/span> =<\/span> Object<\/span>.<\/span>keys<\/span>(<\/span>params<\/span>);<\/span>\n  tempKeys<\/span>.<\/span>sort<\/span>();<\/span>\n  tempKeys<\/span>.<\/span>forEach<\/span>(<\/span>function<\/span> (<\/span>key<\/span>)<\/span> {<\/span>\n  var<\/span> n<\/span> =<\/span> params<\/span>[<\/span>key<\/span>].<\/span>includes<\/span>(<\/span>\"<\/span>REFUND<\/span>\"<\/span>);<\/span> \n   var<\/span> m<\/span> =<\/span> params<\/span>[<\/span>key<\/span>].<\/span>includes<\/span>(<\/span>\"<\/span>|<\/span>\"<\/span>);<\/span>  \n        if<\/span>(<\/span>n<\/span> ==<\/span> true<\/span> )<\/span>\n        {<\/span>\n          params<\/span>[<\/span>key<\/span>]<\/span> =<\/span> \"\"<\/span>;<\/span>\n        }<\/span>\n          if<\/span>(<\/span>m<\/span> ==<\/span> true<\/span>)<\/span>\n        {<\/span>\n          params<\/span>[<\/span>key<\/span>]<\/span> =<\/span> \"\"<\/span>;<\/span>\n        }<\/span>  \n    if<\/span> (<\/span>key<\/span> !==<\/span> '<\/span>CHECKSUMHASH<\/span>'<\/span> )<\/span> {<\/span>\n      if<\/span> (<\/span>params<\/span>[<\/span>key<\/span>]<\/span> ===<\/span> '<\/span>null<\/span>'<\/span>)<\/span> params<\/span>[<\/span>key<\/span>]<\/span> =<\/span> ''<\/span>;<\/span>\n      if<\/span> (<\/span>!<\/span>mandatoryflag<\/span> ||<\/span> mandatoryParams<\/span>.<\/span>indexOf<\/span>(<\/span>key<\/span>)<\/span> !==<\/span> -<\/span>1<\/span>)<\/span> {<\/span>\n        data<\/span> +=<\/span> (<\/span>params<\/span>[<\/span>key<\/span>]<\/span> +<\/span> '<\/span>|<\/span>'<\/span>);<\/span>\n      }<\/span>\n    }<\/span>\n});<\/span>\n  return<\/span> data<\/span>;<\/span>\n}<\/span>\n\n\nfunction<\/span> genchecksum<\/span>(<\/span>params<\/span>,<\/span> key<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\n  var<\/span> data<\/span> =<\/span> paramsToString<\/span>(<\/span>params<\/span>);<\/span>\ncrypt<\/span>.<\/span>gen_salt<\/span>(<\/span>4<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> salt<\/span>)<\/span> {<\/span>\n    var<\/span> sha256<\/span> =<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>data<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n    var<\/span> check_sum<\/span> =<\/span> sha256<\/span> +<\/span> salt<\/span>;<\/span>\n    var<\/span> encrypted<\/span> =<\/span> crypt<\/span>.<\/span>encrypt<\/span>(<\/span>check_sum<\/span>,<\/span> key<\/span>);<\/span>\n    cb<\/span>(<\/span>undefined<\/span>,<\/span> encrypted<\/span>);<\/span>\n  });<\/span>\n}<\/span>\nfunction<\/span> genchecksumbystring<\/span>(<\/span>params<\/span>,<\/span> key<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\n\n  crypt<\/span>.<\/span>gen_salt<\/span>(<\/span>4<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> salt<\/span>)<\/span> {<\/span>\n    var<\/span> sha256<\/span> =<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>params<\/span> +<\/span> '<\/span>|<\/span>'<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n    var<\/span> check_sum<\/span> =<\/span> sha256<\/span> +<\/span> salt<\/span>;<\/span>\n    var<\/span> encrypted<\/span> =<\/span> crypt<\/span>.<\/span>encrypt<\/span>(<\/span>check_sum<\/span>,<\/span> key<\/span>);<\/span>\n\n     var<\/span> CHECKSUMHASH<\/span> =<\/span> encodeURIComponent<\/span>(<\/span>encrypted<\/span>);<\/span>\n     CHECKSUMHASH<\/span> =<\/span> encrypted<\/span>;<\/span>\n    cb<\/span>(<\/span>undefined<\/span>,<\/span> CHECKSUMHASH<\/span>);<\/span>\n  });<\/span>\n}<\/span>\n\nfunction<\/span> verifychecksum<\/span>(<\/span>params<\/span>,<\/span> key<\/span>,<\/span> checksumhash<\/span>)<\/span> {<\/span>\n  var<\/span> data<\/span> =<\/span> paramsToString<\/span>(<\/span>params<\/span>,<\/span> false<\/span>);<\/span>\n\n  \/\/TODO: after PG fix on thier side remove below two lines<\/span>\n  if<\/span> (<\/span>typeof<\/span> checksumhash<\/span> !==<\/span> \"<\/span>undefined<\/span>\"<\/span>)<\/span> {<\/span>\n    checksumhash<\/span> =<\/span> checksumhash<\/span>.<\/span>replace<\/span>(<\/span>'<\/span>n<\/span>'<\/span>,<\/span> ''<\/span>);<\/span>\n    checksumhash<\/span> =<\/span> checksumhash<\/span>.<\/span>replace<\/span>(<\/span>'<\/span>r<\/span>'<\/span>,<\/span> ''<\/span>);<\/span>\n    var<\/span> temp<\/span> =<\/span> decodeURIComponent<\/span>(<\/span>checksumhash<\/span>);<\/span>\n    var<\/span> checksum<\/span> =<\/span> crypt<\/span>.<\/span>decrypt<\/span>(<\/span>temp<\/span>,<\/span> key<\/span>);<\/span>\n    var<\/span> salt<\/span> =<\/span> checksum<\/span>.<\/span>substr<\/span>(<\/span>checksum<\/span>.<\/span>length<\/span> -<\/span> 4<\/span>);<\/span>\n    var<\/span> sha256<\/span> =<\/span> checksum<\/span>.<\/span>substr<\/span>(<\/span>0<\/span>,<\/span> checksum<\/span>.<\/span>length<\/span> -<\/span> 4<\/span>);<\/span>\n    var<\/span> hash<\/span> =<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>data<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n    if<\/span> (<\/span>hash<\/span> ===<\/span> sha256<\/span>)<\/span> {<\/span>\n      return<\/span> true<\/span>;<\/span>\n    }<\/span> else<\/span> {<\/span>\n      util<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>checksum is wrong<\/span>\"<\/span>);<\/span>\n      return<\/span> false<\/span>;<\/span>\n    }<\/span>\n  }<\/span> else<\/span> {<\/span>\n    util<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>checksum not found<\/span>\"<\/span>);<\/span>\n    return<\/span> false<\/span>;<\/span>\n  }<\/span>\n}<\/span>\n\nfunction<\/span> verifychecksumbystring<\/span>(<\/span>params<\/span>,<\/span> key<\/span>,<\/span>checksumhash<\/span>)<\/span> {<\/span>\n\n    var<\/span> checksum<\/span> =<\/span> crypt<\/span>.<\/span>decrypt<\/span>(<\/span>checksumhash<\/span>,<\/span> key<\/span>);<\/span>\n    var<\/span> salt<\/span> =<\/span> checksum<\/span>.<\/span>substr<\/span>(<\/span>checksum<\/span>.<\/span>length<\/span> -<\/span> 4<\/span>);<\/span>\n    var<\/span> sha256<\/span> =<\/span> checksum<\/span>.<\/span>substr<\/span>(<\/span>0<\/span>,<\/span> checksum<\/span>.<\/span>length<\/span> -<\/span> 4<\/span>);<\/span>\n    var<\/span> hash<\/span> =<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>params<\/span> +<\/span> '<\/span>|<\/span>'<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n    if<\/span> (<\/span>hash<\/span> ===<\/span> sha256<\/span>)<\/span> {<\/span>\n      return<\/span> true<\/span>;<\/span>\n    }<\/span> else<\/span> {<\/span>\n      util<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>checksum is wrong<\/span>\"<\/span>);<\/span>\n      return<\/span> false<\/span>;<\/span>\n    }<\/span>\n  }<\/span> \n\nfunction<\/span> genchecksumforrefund<\/span>(<\/span>params<\/span>,<\/span> key<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\n  var<\/span> data<\/span> =<\/span> paramsToStringrefund<\/span>(<\/span>params<\/span>);<\/span>\ncrypt<\/span>.<\/span>gen_salt<\/span>(<\/span>4<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> salt<\/span>)<\/span> {<\/span>\n    var<\/span> sha256<\/span> =<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>data<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n    var<\/span> check_sum<\/span> =<\/span> sha256<\/span> +<\/span> salt<\/span>;<\/span>\n    var<\/span> encrypted<\/span> =<\/span> crypt<\/span>.<\/span>encrypt<\/span>(<\/span>check_sum<\/span>,<\/span> key<\/span>);<\/span>\n      params<\/span>.<\/span>CHECKSUM<\/span> =<\/span> encodeURIComponent<\/span>(<\/span>encrypted<\/span>);<\/span>\n    cb<\/span>(<\/span>undefined<\/span>,<\/span> params<\/span>);<\/span>\n  });<\/span>\n}<\/span>\n\nfunction<\/span> paramsToStringrefund<\/span>(<\/span>params<\/span>,<\/span> mandatoryflag<\/span>)<\/span> {<\/span>\n  var<\/span> data<\/span> =<\/span> ''<\/span>;<\/span>\n  var<\/span> tempKeys<\/span> =<\/span> Object<\/span>.<\/span>keys<\/span>(<\/span>params<\/span>);<\/span>\n  tempKeys<\/span>.<\/span>sort<\/span>();<\/span>\n  tempKeys<\/span>.<\/span>forEach<\/span>(<\/span>function<\/span> (<\/span>key<\/span>)<\/span> {<\/span>\n   var<\/span> m<\/span> =<\/span> params<\/span>[<\/span>key<\/span>].<\/span>includes<\/span>(<\/span>\"<\/span>|<\/span>\"<\/span>);<\/span>  \n          if<\/span>(<\/span>m<\/span> ==<\/span> true<\/span>)<\/span>\n        {<\/span>\n          params<\/span>[<\/span>key<\/span>]<\/span> =<\/span> \"\"<\/span>;<\/span>\n        }<\/span>  \n    if<\/span> (<\/span>key<\/span> !==<\/span> '<\/span>CHECKSUMHASH<\/span>'<\/span> )<\/span> {<\/span>\n      if<\/span> (<\/span>params<\/span>[<\/span>key<\/span>]<\/span> ===<\/span> '<\/span>null<\/span>'<\/span>)<\/span> params<\/span>[<\/span>key<\/span>]<\/span> =<\/span> ''<\/span>;<\/span>\n      if<\/span> (<\/span>!<\/span>mandatoryflag<\/span> ||<\/span> mandatoryParams<\/span>.<\/span>indexOf<\/span>(<\/span>key<\/span>)<\/span> !==<\/span> -<\/span>1<\/span>)<\/span> {<\/span>\n        data<\/span> +=<\/span> (<\/span>params<\/span>[<\/span>key<\/span>]<\/span> +<\/span> '<\/span>|<\/span>'<\/span>);<\/span>\n      }<\/span>\n    }<\/span>\n});<\/span>\n  return<\/span> data<\/span>;<\/span>\n}<\/span>\n\nmodule<\/span>.<\/span>exports<\/span>.<\/span>genchecksum<\/span> =<\/span> genchecksum<\/span>;<\/span>\nmodule<\/span>.<\/span>exports<\/span>.<\/span>verifychecksum<\/span> =<\/span> verifychecksum<\/span>;<\/span>\nmodule<\/span>.<\/span>exports<\/span>.<\/span>verifychecksumbystring<\/span> =<\/span> verifychecksumbystring<\/span>;<\/span>\nmodule<\/span>.<\/span>exports<\/span>.<\/span>genchecksumbystring<\/span> =<\/span> genchecksumbystring<\/span>;<\/span>\nmodule<\/span>.<\/span>exports<\/span>.<\/span>genchecksumforrefund<\/span> =<\/span> genchecksumforrefund<\/span>;<\/span>\n<\/code><\/pre>\n
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              \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
                  \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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              1. \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f config.js<\/code> \u0641\u0627\u06cc\u0644 \u062f\u0627\u062e\u0644 Paytm<\/code> \u067e\u0648\u0634\u0647 \u0648 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f\n<\/li>\n<\/ol>\n
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                var<\/span> PaytmConfig<\/span> =<\/span> {<\/span>\n  mid<\/span>:<\/span> \"<\/span>####yourmid#####<\/span>\"<\/span>,<\/span>\n  key<\/span>:<\/span> \"<\/span>###yourkey#####<\/span>\"<\/span>,<\/span>\n  website<\/span>:<\/span> \"<\/span>##yourwebsite##<\/span>\"<\/span>,<\/span>\n};<\/span>\nmodule<\/span>.<\/span>exports<\/span>.<\/span>PaytmConfig<\/span> =<\/span> PaytmConfig<\/span>;<\/span>\n<\/code><\/pre>\n
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                \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
                    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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                \u062a\u0648\u062c\u0647: \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062a\u0639\u0648\u06cc\u0636 \u06a9\u0646\u06cc\u062f mid<\/code> \u0648 key<\/code> \u0628\u0627 \u062e\u0648\u062f\u062a mid<\/code> \u0648 key<\/code> \u0648 website<\/code> \u0628\u0627 \u062e\u0648\u062f\u062a website<\/code><\/p>\n<\/blockquote>\n
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                1. \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f crypt.js<\/code> \u0641\u0627\u06cc\u0644 \u062f\u0627\u062e\u0644 Paytm<\/code> \u067e\u0648\u0634\u0647 \u0648 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f\n<\/li>\n<\/ol>\n
                  \n
                  \"<\/span>use strict<\/span>\"<\/span>;<\/span>\n\nvar<\/span> crypto<\/span> =<\/span> require<\/span>(<\/span>'<\/span>crypto<\/span>'<\/span>);<\/span>\nvar<\/span> util<\/span> =<\/span> require<\/span>(<\/span>'<\/span>util<\/span>'<\/span>);<\/span>\n\nvar<\/span> crypt<\/span> =<\/span> {<\/span>\n  iv<\/span>:<\/span> '<\/span>@@@@&&&&####$$<\/span>'<\/span>,<\/span>\n\n  encrypt<\/span>:<\/span> function<\/span> (<\/span>data<\/span>,<\/span>custom_key<\/span>)<\/span> {<\/span>\n    var<\/span> iv<\/span> =<\/span> this<\/span>.<\/span>iv<\/span>;<\/span>\n    var<\/span> key<\/span> =<\/span> custom_key<\/span>;<\/span>\n    var<\/span> algo<\/span> =<\/span> '<\/span>256<\/span>'<\/span>;<\/span>\n    switch<\/span> (<\/span>key<\/span>.<\/span>length<\/span>)<\/span> {<\/span>\n    case<\/span> 16<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>128<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n    case<\/span> 24<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>192<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n    case<\/span> 32<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>256<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n\n    }<\/span>\n    var<\/span> cipher<\/span> =<\/span> crypto<\/span>.<\/span>createCipheriv<\/span>(<\/span>'<\/span>AES-<\/span>'<\/span> +<\/span> algo<\/span> +<\/span> '<\/span>-CBC<\/span>'<\/span>,<\/span> key<\/span>,<\/span> iv<\/span>);<\/span>\n    \/\/var cipher = crypto.createCipher('aes256',key);<\/span>\n    var<\/span> encrypted<\/span> =<\/span> cipher<\/span>.<\/span>update<\/span>(<\/span>data<\/span>,<\/span> '<\/span>binary<\/span>'<\/span>,<\/span> '<\/span>base64<\/span>'<\/span>);<\/span>\n    encrypted<\/span> +=<\/span> cipher<\/span>.<\/span>final<\/span>(<\/span>'<\/span>base64<\/span>'<\/span>);<\/span>\n    return<\/span> encrypted<\/span>;<\/span>\n  },<\/span>\n\n  decrypt<\/span>:<\/span> function<\/span> (<\/span>data<\/span>,<\/span>custom_key<\/span>)<\/span> {<\/span>\n    var<\/span> iv<\/span> =<\/span> this<\/span>.<\/span>iv<\/span>;<\/span>\n    var<\/span> key<\/span> =<\/span> custom_key<\/span>;<\/span>\n    var<\/span> algo<\/span> =<\/span> '<\/span>256<\/span>'<\/span>;<\/span>\n    switch<\/span> (<\/span>key<\/span>.<\/span>length<\/span>)<\/span> {<\/span>\n    case<\/span> 16<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>128<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n    case<\/span> 24<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>192<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n    case<\/span> 32<\/span>:<\/span>\n      algo<\/span> =<\/span> '<\/span>256<\/span>'<\/span>;<\/span>\n      break<\/span>;<\/span>\n    }<\/span>\n    var<\/span> decipher<\/span> =<\/span> crypto<\/span>.<\/span>createDecipheriv<\/span>(<\/span>'<\/span>AES-<\/span>'<\/span> +<\/span> algo<\/span> +<\/span> '<\/span>-CBC<\/span>'<\/span>,<\/span> key<\/span>,<\/span> iv<\/span>);<\/span>\n    var<\/span> decrypted<\/span> =<\/span> decipher<\/span>.<\/span>update<\/span>(<\/span>data<\/span>,<\/span> '<\/span>base64<\/span>'<\/span>,<\/span> '<\/span>binary<\/span>'<\/span>);<\/span>\n    try<\/span> {<\/span>\n      decrypted<\/span> +=<\/span> decipher<\/span>.<\/span>final<\/span>(<\/span>'<\/span>binary<\/span>'<\/span>);<\/span>\n    }<\/span> catch<\/span> (<\/span>e<\/span>)<\/span> {<\/span>\n      util<\/span>.<\/span>log<\/span>(<\/span>util<\/span>.<\/span>inspect<\/span>(<\/span>e<\/span>));<\/span>\n    }<\/span>\n    return<\/span> decrypted<\/span>;<\/span>\n  },<\/span>\n\n  gen_salt<\/span>:<\/span> function<\/span> (<\/span>length<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\n    crypto<\/span>.<\/span>randomBytes<\/span>((<\/span>length<\/span> *<\/span> 3.0<\/span>)<\/span> \/<\/span> 4.0<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> buf<\/span>)<\/span> {<\/span>\n      var<\/span> salt<\/span>;<\/span>\n      if<\/span> (<\/span>!<\/span>err<\/span>)<\/span> {<\/span>\n        salt<\/span> =<\/span> buf<\/span>.<\/span>toString<\/span>(<\/span>\"<\/span>base64<\/span>\"<\/span>);<\/span>\n      }<\/span>\n      \/\/salt=Math.floor(Math.random()*8999)+1000;<\/span>\n      cb<\/span>(<\/span>err<\/span>,<\/span> salt<\/span>);<\/span>\n    });<\/span>\n  },<\/span>\n\n  \/* one way md5 hash with salt *\/<\/span>\n  md5sum<\/span>:<\/span> function<\/span> (<\/span>salt<\/span>,<\/span> data<\/span>)<\/span> {<\/span>\n    return<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>md5<\/span>'<\/span>).<\/span>update<\/span>(<\/span>salt<\/span> +<\/span> data<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n  },<\/span>\n  sha256sum<\/span>:<\/span> function<\/span> (<\/span>salt<\/span>,<\/span> data<\/span>)<\/span> {<\/span>\n    return<\/span> crypto<\/span>.<\/span>createHash<\/span>(<\/span>'<\/span>sha256<\/span>'<\/span>).<\/span>update<\/span>(<\/span>data<\/span> +<\/span> salt<\/span>).<\/span>digest<\/span>(<\/span>'<\/span>hex<\/span>'<\/span>);<\/span>\n  }<\/span>\n};<\/span>\n\nmodule<\/span>.<\/span>exports<\/span> =<\/span> crypt<\/span>;<\/span>\n\n(<\/span>function<\/span> ()<\/span> {<\/span>\n  var<\/span> i<\/span>;<\/span>\n\n  function<\/span> logsalt<\/span>(<\/span>err<\/span>,<\/span> salt<\/span>)<\/span> {<\/span>\n    if<\/span> (<\/span>!<\/span>err<\/span>)<\/span> {<\/span>\n      console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>salt is <\/span>'<\/span> +<\/span> salt<\/span>);<\/span>\n    }<\/span>\n  }<\/span>\n\n  if<\/span> (<\/span>require<\/span>.<\/span>main<\/span> ===<\/span> module<\/span>)<\/span> {<\/span>\n    var<\/span> enc<\/span> =<\/span> crypt<\/span>.<\/span>encrypt<\/span>(<\/span>'<\/span>One97<\/span>'<\/span>);<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>encrypted - <\/span>'<\/span> +<\/span> enc<\/span>);<\/span>\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>decrypted - <\/span>'<\/span> +<\/span> crypt<\/span>.<\/span>decrypt<\/span>(<\/span>enc<\/span>));<\/span>\n\n    for<\/span> (<\/span>i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 5<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\n      crypt<\/span>.<\/span>gen_salt<\/span>(<\/span>4<\/span>,<\/span> logsalt<\/span>);<\/span>\n    }<\/span>\n  }<\/span>\n\n}());<\/span>\n<\/code><\/pre>\n
                  \n
                  \n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
                      \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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                  • \u062d\u0627\u0644 \u0627\u06af\u0631 \u0646\u0627\u0645 \u0648 \u0627\u06cc\u0645\u06cc\u0644 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0631 \u0631\u0648\u06cc \u0622\u0646 \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f Pay Now<\/code> \u062f\u06a9\u0645\u0647 \u0634\u0645\u0627 \u0628\u0647 \u0622\u0646 \u0647\u062f\u0627\u06cc\u062a \u0645\u06cc \u0634\u0648\u06cc\u062f Paytm<\/code> \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a \u0648 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a \u06a9\u0646\u06cc\u062f Paytm<\/code> \u0628\u0631\u0646\u0627\u0645\u0647 \u06cc\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Paytm<\/code> \u0633\u0627\u06cc\u062a \u0627\u06cc\u0646\u062a\u0631\u0646\u062a\u06cc.<\/li>\n<\/ul><\/div>\n","protected":false},"excerpt":{"rendered":"
                    \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u0645 \u062f\u0627\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Node.js \u0648 Express\u060c \u062f\u0631\u0648\u0627\u0632\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0631\u0627 \u062f\u0631 \u0648\u0628 \u0633\u0627\u06cc\u062a \u06cc\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f. \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0631\u0627\u0647\u06cc \u0627\u0645\u0646 \u0648 \u0622\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u067e\u0630\u06cc\u0631\u0634 \u067e\u0631\u062f\u0627\u062e\u062a \u0647\u0627\u06cc \u0622\u0646\u0644\u0627\u06cc\u0646 \u0627\u0632 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0634\u0645\u0627 \u0627\u0633\u062a. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062f\u0631\u06af\u0627\u0647 \u067e\u0631\u062f\u0627\u062e\u062a Paytm \u0628\u0631\u0627\u06cc \u067e\u0630\u06cc\u0631\u0634 \u067e\u0631\u062f\u0627\u062e\u062a\u200c\u0647\u0627 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 …<\/p>\n","protected":false},"author":2,"featured_media":16524,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-16523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/16523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=16523"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/16523\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/16524"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=16523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=16523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=16523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}