@Override
void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemCurrencyDeletion attachment =
(Attachment.MonetarySystemCurrencyDeletion) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
CurrencyType.validate(currency, transaction);
if (!currency.canBeDeletedBy(transaction.getSenderId())) {
throw new NxtException.NotCurrentlyValidException(
"Currency "
+ Long.toUnsignedString(currency.getId())
+ " cannot be deleted by account "
+ Long.toUnsignedString(transaction.getSenderId()));
}
}
@Override
void applyAttachment(
Transaction transaction, Account senderAccount, Account recipientAccount) {
Attachment.MonetarySystemCurrencyDeletion attachment =
(Attachment.MonetarySystemCurrencyDeletion) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
currency.delete(getLedgerEvent(), transaction.getId(), senderAccount);
}
@Override
boolean isDuplicate(
Transaction transaction, Map<TransactionType, Map<String, Integer>> duplicates) {
Attachment.MonetarySystemCurrencyDeletion attachment =
(Attachment.MonetarySystemCurrencyDeletion) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
String nameLower = currency.getName().toLowerCase();
String codeLower = currency.getCode().toLowerCase();
boolean isDuplicate =
TransactionType.isDuplicate(CURRENCY_ISSUANCE, nameLower, duplicates, true);
if (!nameLower.equals(codeLower)) {
isDuplicate =
isDuplicate
|| TransactionType.isDuplicate(CURRENCY_ISSUANCE, codeLower, duplicates, true);
}
return isDuplicate;
}