@Override
void applyAttachment(
Transaction transaction, Account senderAccount, Account recipientAccount) {
Attachment.MonetarySystemReserveIncrease attachment =
(Attachment.MonetarySystemReserveIncrease) transaction.getAttachment();
Currency.increaseReserve(
senderAccount, attachment.getCurrencyId(), attachment.getAmountPerUnitNQT());
}
@Override
void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemReserveIncrease attachment =
(Attachment.MonetarySystemReserveIncrease) transaction.getAttachment();
if (attachment.getAmountPerUnitNQT() <= 0) {
throw new NxtException.NotValidException(
"Reserve increase NXT amount must be positive: "
+ attachment.getAmountPerUnitNQT());
}
CurrencyType.validate(Currency.getCurrency(attachment.getCurrencyId()), transaction);
}
@Override
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemReserveIncrease attachment =
(Attachment.MonetarySystemReserveIncrease) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
if (senderAccount.getUnconfirmedBalanceNQT()
>= Math.multiplyExact(
currency.getReserveSupply(), attachment.getAmountPerUnitNQT())) {
senderAccount.addToUnconfirmedBalanceNQT(
-Math.multiplyExact(currency.getReserveSupply(), attachment.getAmountPerUnitNQT()));
return true;
}
return false;
}
@Override
void undoAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemReserveIncrease attachment =
(Attachment.MonetarySystemReserveIncrease) transaction.getAttachment();
long reserveSupply;
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
if (currency != null) {
reserveSupply = currency.getReserveSupply();
} else { // currency must have been deleted, get reserve supply from the original issuance
// transaction
Transaction currencyIssuance =
Nxt.getBlockchain().getTransaction(attachment.getCurrencyId());
Attachment.MonetarySystemCurrencyIssuance currencyIssuanceAttachment =
(Attachment.MonetarySystemCurrencyIssuance) currencyIssuance.getAttachment();
reserveSupply = currencyIssuanceAttachment.getReserveSupply();
}
senderAccount.addToUnconfirmedBalanceNQT(
Math.multiplyExact(reserveSupply, attachment.getAmountPerUnitNQT()));
}
