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Name	Size	Permission
PaytmKit	[ DIR ]	drwxrwxrwx
lib	[ DIR ]	drwxrwxrwx
links	[ DIR ]	drwxrwxrwx
.gitattributes	378 B	-rwxrwxrwx
README.md	1.35 KB	-rwxrwxrwx
TxnStatus.php	2.11 KB	-rwxrwxrwx
TxnTest.php	1.75 KB	-rwxrwxrwx
pgRedirect.php	2.27 KB	-rwxrwxrwx
pgResponse.php	5.06 KB	-rwxrwxrwx

Code Editor : README.md

# How to install the sample kit on a web server:
 1. Copy PaytmKit folder in document root of your server (like /var/www/html)
 2. Open config_paytm.php file from the PaytmKit/lib folder and update the below constant values
    - PAYTM_MERCHANT_KEY – Can be downloaded from the Paytm portal. One time downloadable
    - PAYTM_MERCHANT_MID - MID (Merchant ID) can be collected from Paytm team
    - PAYTM_MERCHANT_WEBSITE - Website name can be collected from Paytm team
 3. PaytmKit folder is having following files:
    - TxnTest.php – Testing transaction through Paytm gateway.
    - pgRedirect.php – This file has the logic of checksum generation and passing all required parameters to Paytm PG. 
    - pgResponse.php – This file has the logic for processing PG response after the transaction        processing.
    - TxnStatus.php – Testing Status Query API

# For Offline(Wallet Api) Checksum Utility below are the methods:
  1. getChecksumFromString : For generating the checksum
  2. verifychecksum_eFromStr : For verifing the checksum
  
# To generate refund checksum in PHP :
  1. Create an array with key value pair of following paytm parameters 
     (MID, ORDERID, TXNTYPE, REFUNDAMOUNT, TXNID, REFID)
  2. To generate checksum, call the following method. This function returns the checksum as a string.
     getRefundChecksumFromArray($arrayList, $key, $sort=1)

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Code Editor : README.md