def payment(request):
    pay = Coins()
    if request.method == 'GET':
        return pay.view_recharge(request)
    elif request.method == 'POST':
        return pay.update_credit(request)
def recharge(request):
    c = Coins()
    if request.method == 'GET':
        c.recharge(request)
def balance(request):
    c = Coins()
    if request.method == 'GET':
        c.balance(request)
def discharge(request):
    c = Coins()
    if request.method == 'GET':
        c.discharge(request)