INPUT
scanned code*
amount*
description*
pin*
 
API
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USER STORY
To pay a customer or a business through his/her personalized QR code
 
CODE
validate scanned code
validate senders acceptable credit limit
validate pin 
validate sender has sufficient balance 
deduct amount from sender
credit reciever 
send sms alert to reciever
send sms alert to sender 
display success to sender