Smart Contract Auto execution

nbether98

We have created a private network with two nodes in AWS Ubuntu instance.
We have written a contract where will register contract details as below.
1. Counter Party A and Counter Party B details
2. Amount and term. say term is monthly
3. Every month end payment will go A to B based on the interest rate

Requirements:
1. Every month end need to have automated payment from smart contract from counter party A to Counter Party B. Without any call from out side
2. Interest rate should be fetched from external web site by smart contract.

Any idea or help is appreciated.