Notify about order mistakes

[AboShanab]

Most the users are felt anxiety by using a DEXs due with the slip of a finger, you could accidentally sell or buy the tokens for far more than they are worth. As we're want to make the UX more better, it would be awesome if we notified of those mistakes before the trader request is processed by place a red warning label visibled at the top of preview order screen for the limit orders.

[generalpiston]

This is an amazing idea. I'm thinking:

1. Highlight placing large orders.
2. Prices that are from the bid/ask wall.
3. Lengthy expiration times and a warning about the cost of cancelling.