This is the step that makes the actual transfers & accounting changes to the counterparties' balances
Once a trade has been matched, the finalise button will become visible on the UX for both the counterparties to the trade, like so:
Finalising orders using the GUI
Similarly, users of the SDK will find that the "EventQListener" will detect when an order has been filled, and provide template transactions for "FinaliseBid" and "FinaliseAsk".
Either user may then proceed to finalize the order. Upon clicking Finalize, the program logic checks that both the counterparties to the trade have enough tokens in their openorders accounts. If not, it attempts to transfer the appropriate amount of funds from the party to the program owned "vault". Once th
If so, it proceeds with modifying the balances according to the trade terms, and then marks the trade as finalized (to prevent double spends). After finalization is completed, the user can instantly see their updated balances from their OpenOrdersPDA:
