What's the masternode reward?
Its all on the first page.
Rewards from masternode include: FXC coins daily and in the future will include altcoin traded on the floor.
How will be calculated the reward for Masternode from the coin transactions on the exchange ?
Reward = 50% total transaction fee on the floor of the Altcoin
How can you control the transaction on the exchange?
Did you mean just your exchange?
Programming will be able to automatically distribute the reward. Rewards are only distributed based on transaction fees on the floor