public EconomyResponse depositPlayer(String playerName, double amount){
if (amount < 0) {
return new EconomyResponse(0, 0, ResponseType.FAILURE, "Cannot desposit negative funds");
}
AccountHolder accountHolder = gringotts.accountHolderFactory.getAccount(playerName);
if (accountHolder == null) {
return new EconomyResponse(0, 0, ResponseType.FAILURE, playerName + " is not a valid account holder.");
}
Account account = gringotts.accounting.getAccount( accountHolder );