Ellery D'Souza

I implemented something similar but left the original Update function alone (for backwards compatibility), and created an "Update2" function of that does the same code. Below is code I have...

Will do, found that repo a few hours ago, and was reviewing all the changes.

Check if you have enough space in `/var/tmp` - at least the same size of your core file. I had a similar issue with a 56GB core file. There is...

Thanks. I push the previous change without testing the response. I have pushed a new change #(feb97b6) that initializes the map. Let me know if it works for you.

It looks like you are using a demo account. From what I read, demo account is limited, and doesn't support realtimebars.

Forex symbols are not handled right now in the code, just stocks. You need to create a new contract to support forex symbols, see here: [IB TWS API Contracts](http://interactivebrokers.github.io/tws-api/basic_contracts.html)