public void CreateInvoice(Member playerOne, Member playerTwo)
{
var fortKnox = FortKnox.Instance();
if (!_competition.IsParticipant(playerOne))
{
fortKnox.NewInvoice(playerOne, _competition.Fee);
_competition.AddParticipant(playerOne);
}
if (!_competition.IsParticipant(playerTwo))
{
fortKnox.NewInvoice(playerTwo, _competition.Fee);
_competition.AddParticipant(playerTwo);
}
fortKnox.NewInvoice(playerOne, _matchFee);
fortKnox.NewInvoice(playerTwo, _matchFee);
}