public void Pay(PaymentInput input)
{
CheckInputMessage(input, MessageTypePayment);
repositoryService.AddPaymentInput(input);
decimal commission = CalculateCommission(input.Origin, input.Amount);
decimal currentAmount = repositoryService.GetAmount(input.AccountId);
decimal newAmount = currentAmount - input.Amount - commission;
repositoryService.UpdateAccount(input.AccountId, newAmount);
}
