Visualize orders as two-column table (bids with green background and asks with red)
There are at least two possibilities for next two steps.
3a. Add orders computation to PHP script
4a. Make two copies: one for BTC/USD and one for BTC/USDT
3b. Deploy Python logger (redirected to Firebase) on Heroku and run two one-off dynos: one for BTC/USD and one for BTC/USDT
4b. Get data by PHP script making REST-queries to Firebase and passing them to JavaScript (PHP is used to prevent problems with cross-site queries in JavaScript)
There are at least two possibilities for next two steps.
3a. Add orders computation to PHP script 4a. Make two copies: one for BTC/USD and one for BTC/USDT
3b. Deploy Python logger (redirected to Firebase) on Heroku and run two one-off dynos: one for BTC/USD and one for BTC/USDT 4b. Get data by PHP script making REST-queries to Firebase and passing them to JavaScript (PHP is used to prevent problems with cross-site queries in JavaScript)