@Override
void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemCurrencyMinting attachment =
(Attachment.MonetarySystemCurrencyMinting) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
CurrencyType.validate(currency, transaction);
if (attachment.getUnits() <= 0) {
throw new NxtException.NotValidException(
"Invalid number of units: " + attachment.getUnits());
}
if (attachment.getUnits()
> (currency.getMaxSupply() - currency.getReserveSupply())
/ Constants.MAX_MINTING_RATIO) {
throw new NxtException.NotValidException(
String.format(
"Cannot mint more than 1/%d of the total units supply in a single request",
Constants.MAX_MINTING_RATIO));
}
if (!currency.isActive()) {
throw new NxtException.NotCurrentlyValidException(
"Currency not currently active " + attachment.getJSONObject());
}
long counter =
CurrencyMint.getCounter(attachment.getCurrencyId(), transaction.getSenderId());
if (attachment.getCounter() <= counter) {
throw new NxtException.NotCurrentlyValidException(
String.format(
"Counter %d has to be bigger than %d", attachment.getCounter(), counter));
}
if (!CurrencyMinting.meetsTarget(transaction.getSenderId(), currency, attachment)) {
throw new NxtException.NotCurrentlyValidException(
String.format("Hash doesn't meet target %s", attachment.getJSONObject()));
}
}
@Override
final void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemExchange attachment =
(Attachment.MonetarySystemExchange) transaction.getAttachment();
if (attachment.getRateNQT() <= 0 || attachment.getUnits() == 0) {
throw new NxtException.NotValidException("Invalid exchange: " + attachment.getJSONObject());
}
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
CurrencyType.validate(currency, transaction);
if (!currency.isActive()) {
throw new NxtException.NotCurrentlyValidException(
"Currency not active: " + attachment.getJSONObject());
}
}
@Override
void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemPublishExchangeOffer attachment =
(Attachment.MonetarySystemPublishExchangeOffer) transaction.getAttachment();
if (attachment.getBuyRateNQT() <= 0
|| attachment.getSellRateNQT() <= 0
|| attachment.getBuyRateNQT() > attachment.getSellRateNQT()) {
throw new NxtException.NotValidException(
String.format(
"Invalid exchange offer, buy rate %d and sell rate %d has to be larger than 0, buy rate cannot be larger than sell rate",
attachment.getBuyRateNQT(), attachment.getSellRateNQT()));
}
if (attachment.getTotalBuyLimit() < 0
|| attachment.getTotalSellLimit() < 0
|| attachment.getInitialBuySupply() < 0
|| attachment.getInitialSellSupply() < 0
|| attachment.getExpirationHeight() < 0) {
throw new NxtException.NotValidException(
"Invalid exchange offer, units and height cannot be negative: "
+ attachment.getJSONObject());
}
if (attachment.getTotalBuyLimit() < attachment.getInitialBuySupply()
|| attachment.getTotalSellLimit() < attachment.getInitialSellSupply()) {
throw new NxtException.NotValidException(
"Initial supplies must not exceed total limits");
}
if (Nxt.getBlockchain().getHeight() > Constants.SHUFFLING_BLOCK) {
if (attachment.getTotalBuyLimit() == 0 && attachment.getTotalSellLimit() == 0) {
throw new NxtException.NotCurrentlyValidException(
"Total buy and sell limits cannot be both 0");
}
if (attachment.getInitialBuySupply() == 0 && attachment.getInitialSellSupply() == 0) {
throw new NxtException.NotCurrentlyValidException(
"Initial buy and sell supply cannot be both 0");
}
}
if (attachment.getExpirationHeight()
<= attachment.getFinishValidationHeight(transaction)) {
throw new NxtException.NotCurrentlyValidException(
"Expiration height must be after transaction execution height");
}
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
CurrencyType.validate(currency, transaction);
if (!currency.isActive()) {
throw new NxtException.NotCurrentlyValidException(
"Currency not currently active: " + attachment.getJSONObject());
}
}
@Override
void validateAttachment(Transaction transaction) throws NxtException.ValidationException {
Attachment.MonetarySystemCurrencyTransfer attachment =
(Attachment.MonetarySystemCurrencyTransfer) transaction.getAttachment();
if (attachment.getUnits() <= 0) {
throw new NxtException.NotValidException(
"Invalid currency transfer: " + attachment.getJSONObject());
}
if (transaction.getRecipientId() == Genesis.CREATOR_ID) {
throw new NxtException.NotValidException(
"Currency transfer to genesis account not allowed");
}
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
CurrencyType.validate(currency, transaction);
if (!currency.isActive()) {
throw new NxtException.NotCurrentlyValidException(
"Currency not currently active: " + attachment.getJSONObject());
}
}
