Realtime MT4 Data Feeder from API

Hello, I want a script that load offline chart in MT4 in realtime (updated every 5 seconds) so my EA script can run on top of it. The data must be taken from Oanda API, you can try to create trial account on it to get access to their API. The complete requirements are below:

1. The data must be included : Date time, Open, High, Low Close, Volume (ohlcv) M1

2. The Script can show the data in the chart from last week

3. The values must be as precise as the provided from API (no rounding)

4. The script must be able to load up to 5 selected pairs

5. In a very simple steps, the script must work as follow :

• load data from Oanda API
• Write Data to CSV
• Generate Chart to MT4.
• All of these steps must be run every 5 seconds (to make it realtime).