unique$\_$ptr Database::getTransaction$($long long transactionId$)\{$

$/**$

$*$ TODO: Complete the following query so that the transaction for the

$*$ transactionId is loaded from the database and stored into a

$*$ Transaction object which returned by unique$\_$ptr$.$

$*$

$*$ When it is working the CLI Menu should do the following:

$*$ Account $1.$ Make a selection.

$*1.$ Display balance.

$*2.$ List all transactions.

$*3.$ View transaction.

$*4.$ Exit.

$*3$

$*$ Select transaction by id:

$*2$

$*$ Transaction $2$ $$-2122$

$*$

$*$

$*$ Here is the query string to use:

$*$ "SELECT AccountId, counterpartyId, Amount, Timestamp $"\backslash$

$*$ "FROM AccountTransaction WHERE TransactionId $=$ :id$")$;

$*$

$*$ You can create a default Counterparty object.

$*$ Counterparty counterparty$($counterpartyId$,0,"","","")$;

$*/$

return nullptr;

$\}$