static void exchangeNXTForCurrency(
Transaction transaction,
Account account,
final long currencyId,
final long rateNQT,
long units) {
long extraUnits = 0;
long remainingAmountNQT = Math.multiplyExact(units, rateNQT);
List<CurrencySellOffer> currencySellOffers = new ArrayList<>();
try (DbIterator<CurrencySellOffer> offers =
CurrencySellOffer.getOffers(
new ValidOffersDbClause(currencyId, rateNQT, false),
0,
-1,
" ORDER BY rate ASC, creation_height ASC, transaction_height ASC, transaction_index ASC ")) {
for (CurrencySellOffer offer : offers) {
currencySellOffers.add(offer);
}
}
for (CurrencySellOffer offer : currencySellOffers) {
if (remainingAmountNQT == 0) {
break;
}
long curUnits =
Math.min(
Math.min(remainingAmountNQT / offer.getRateNQT(), offer.getSupply()),
offer.getLimit());
if (curUnits == 0) {
continue;
}
long curAmountNQT = Math.multiplyExact(curUnits, offer.getRateNQT());
extraUnits = Math.addExact(extraUnits, curUnits);
remainingAmountNQT = Math.subtractExact(remainingAmountNQT, curAmountNQT);
offer.decreaseLimitAndSupply(curUnits);
long excess = offer.getCounterOffer().increaseSupply(curUnits);
Account counterAccount = Account.getAccount(offer.getAccountId());
counterAccount.addToBalanceNQT(curAmountNQT);
counterAccount.addToUnconfirmedBalanceNQT(
Math.addExact(
Math.multiplyExact(
curUnits - excess, offer.getRateNQT() - offer.getCounterOffer().getRateNQT()),
Math.multiplyExact(excess, offer.getRateNQT())));
counterAccount.addToCurrencyUnits(currencyId, -curUnits);
Exchange.addExchange(
transaction, currencyId, offer, offer.getAccountId(), account.getId(), curUnits);
}
account.addToCurrencyAndUnconfirmedCurrencyUnits(currencyId, extraUnits);
account.addToBalanceNQT(-(Math.multiplyExact(units, rateNQT) - remainingAmountNQT));
account.addToUnconfirmedBalanceNQT(remainingAmountNQT);
}
static {
if (userServer != null) {
Account.addListener(
account -> {
JSONObject response = new JSONObject();
response.put("response", "setBalance");
response.put("balanceNQT", account.getUnconfirmedBalanceNQT());
byte[] accountPublicKey = account.getPublicKey();
Users.users
.values()
.forEach(
user -> {
if (user.getSecretPhrase() != null
&& Arrays.equals(user.getPublicKey(), accountPublicKey)) {
user.send(response);
}
});
},
Account.Event.UNCONFIRMED_BALANCE);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray removedActivePeers = new JSONArray();
JSONObject removedActivePeer = new JSONObject();
removedActivePeer.put("index", Users.getIndex(peer));
removedActivePeers.add(removedActivePeer);
response.put("removedActivePeers", removedActivePeers);
JSONArray removedKnownPeers = new JSONArray();
JSONObject removedKnownPeer = new JSONObject();
removedKnownPeer.put("index", Users.getIndex(peer));
removedKnownPeers.add(removedKnownPeer);
response.put("removedKnownPeers", removedKnownPeers);
JSONArray addedBlacklistedPeers = new JSONArray();
JSONObject addedBlacklistedPeer = new JSONObject();
addedBlacklistedPeer.put("index", Users.getIndex(peer));
addedBlacklistedPeer.put("address", peer.getHost());
addedBlacklistedPeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
addedBlacklistedPeer.put("software", peer.getSoftware());
addedBlacklistedPeers.add(addedBlacklistedPeer);
response.put("addedBlacklistedPeers", addedBlacklistedPeers);
Users.sendNewDataToAll(response);
},
Peers.Event.BLACKLIST);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray removedActivePeers = new JSONArray();
JSONObject removedActivePeer = new JSONObject();
removedActivePeer.put("index", Users.getIndex(peer));
removedActivePeers.add(removedActivePeer);
response.put("removedActivePeers", removedActivePeers);
JSONArray addedKnownPeers = new JSONArray();
JSONObject addedKnownPeer = new JSONObject();
addedKnownPeer.put("index", Users.getIndex(peer));
addedKnownPeer.put("address", peer.getHost());
addedKnownPeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
addedKnownPeer.put("software", peer.getSoftware());
addedKnownPeers.add(addedKnownPeer);
response.put("addedKnownPeers", addedKnownPeers);
Users.sendNewDataToAll(response);
},
Peers.Event.DEACTIVATE);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray removedBlacklistedPeers = new JSONArray();
JSONObject removedBlacklistedPeer = new JSONObject();
removedBlacklistedPeer.put("index", Users.getIndex(peer));
removedBlacklistedPeers.add(removedBlacklistedPeer);
response.put("removedBlacklistedPeers", removedBlacklistedPeers);
JSONArray addedKnownPeers = new JSONArray();
JSONObject addedKnownPeer = new JSONObject();
addedKnownPeer.put("index", Users.getIndex(peer));
addedKnownPeer.put("address", peer.getHost());
addedKnownPeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
addedKnownPeer.put("software", peer.getSoftware());
addedKnownPeers.add(addedKnownPeer);
response.put("addedKnownPeers", addedKnownPeers);
Users.sendNewDataToAll(response);
},
Peers.Event.UNBLACKLIST);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray removedKnownPeers = new JSONArray();
JSONObject removedKnownPeer = new JSONObject();
removedKnownPeer.put("index", Users.getIndex(peer));
removedKnownPeers.add(removedKnownPeer);
response.put("removedKnownPeers", removedKnownPeers);
Users.sendNewDataToAll(response);
},
Peers.Event.REMOVE);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray changedActivePeers = new JSONArray();
JSONObject changedActivePeer = new JSONObject();
changedActivePeer.put("index", Users.getIndex(peer));
changedActivePeer.put("downloaded", peer.getDownloadedVolume());
changedActivePeers.add(changedActivePeer);
response.put("changedActivePeers", changedActivePeers);
Users.sendNewDataToAll(response);
},
Peers.Event.DOWNLOADED_VOLUME);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray changedActivePeers = new JSONArray();
JSONObject changedActivePeer = new JSONObject();
changedActivePeer.put("index", Users.getIndex(peer));
changedActivePeer.put("uploaded", peer.getUploadedVolume());
changedActivePeers.add(changedActivePeer);
response.put("changedActivePeers", changedActivePeers);
Users.sendNewDataToAll(response);
},
Peers.Event.UPLOADED_VOLUME);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray changedActivePeers = new JSONArray();
JSONObject changedActivePeer = new JSONObject();
changedActivePeer.put("index", Users.getIndex(peer));
changedActivePeer.put("weight", peer.getWeight());
changedActivePeers.add(changedActivePeer);
response.put("changedActivePeers", changedActivePeers);
Users.sendNewDataToAll(response);
},
Peers.Event.WEIGHT);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray removedKnownPeers = new JSONArray();
JSONObject removedKnownPeer = new JSONObject();
removedKnownPeer.put("index", Users.getIndex(peer));
removedKnownPeers.add(removedKnownPeer);
response.put("removedKnownPeers", removedKnownPeers);
JSONArray addedActivePeers = new JSONArray();
JSONObject addedActivePeer = new JSONObject();
addedActivePeer.put("index", Users.getIndex(peer));
if (peer.getState() != Peer.State.CONNECTED) {
addedActivePeer.put("disconnected", true);
}
addedActivePeer.put("address", peer.getHost());
addedActivePeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
addedActivePeer.put("weight", peer.getWeight());
addedActivePeer.put("downloaded", peer.getDownloadedVolume());
addedActivePeer.put("uploaded", peer.getUploadedVolume());
addedActivePeer.put("software", peer.getSoftware());
addedActivePeers.add(addedActivePeer);
response.put("addedActivePeers", addedActivePeers);
Users.sendNewDataToAll(response);
},
Peers.Event.ADDED_ACTIVE_PEER);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray changedActivePeers = new JSONArray();
JSONObject changedActivePeer = new JSONObject();
changedActivePeer.put("index", Users.getIndex(peer));
changedActivePeer.put(
peer.getState() == Peer.State.CONNECTED ? "connected" : "disconnected", true);
changedActivePeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
changedActivePeers.add(changedActivePeer);
response.put("changedActivePeers", changedActivePeers);
Users.sendNewDataToAll(response);
},
Peers.Event.CHANGED_ACTIVE_PEER);
Peers.addListener(
peer -> {
JSONObject response = new JSONObject();
JSONArray addedKnownPeers = new JSONArray();
JSONObject addedKnownPeer = new JSONObject();
addedKnownPeer.put("index", Users.getIndex(peer));
addedKnownPeer.put("address", peer.getHost());
addedKnownPeer.put(
"announcedAddress", Convert.truncate(peer.getAnnouncedAddress(), "-", 25, true));
addedKnownPeer.put("software", peer.getSoftware());
addedKnownPeers.add(addedKnownPeer);
response.put("addedKnownPeers", addedKnownPeers);
Users.sendNewDataToAll(response);
},
Peers.Event.NEW_PEER);
Nxt.getTransactionProcessor()
.addListener(
transactions -> {
JSONObject response = new JSONObject();
JSONArray removedUnconfirmedTransactions = new JSONArray();
for (Transaction transaction : transactions) {
JSONObject removedUnconfirmedTransaction = new JSONObject();
removedUnconfirmedTransaction.put("index", Users.getIndex(transaction));
removedUnconfirmedTransactions.add(removedUnconfirmedTransaction);
}
response.put("removedUnconfirmedTransactions", removedUnconfirmedTransactions);
Users.sendNewDataToAll(response);
},
TransactionProcessor.Event.REMOVED_UNCONFIRMED_TRANSACTIONS);
Nxt.getTransactionProcessor()
.addListener(
transactions -> {
JSONObject response = new JSONObject();
JSONArray addedUnconfirmedTransactions = new JSONArray();
for (Transaction transaction : transactions) {
JSONObject addedUnconfirmedTransaction = new JSONObject();
addedUnconfirmedTransaction.put("index", Users.getIndex(transaction));
addedUnconfirmedTransaction.put("timestamp", transaction.getTimestamp());
addedUnconfirmedTransaction.put("deadline", transaction.getDeadline());
addedUnconfirmedTransaction.put(
"recipient", Long.toUnsignedString(transaction.getRecipientId()));
addedUnconfirmedTransaction.put("amountNQT", transaction.getAmountNQT());
addedUnconfirmedTransaction.put("feeNQT", transaction.getFeeNQT());
addedUnconfirmedTransaction.put(
"sender", Long.toUnsignedString(transaction.getSenderId()));
addedUnconfirmedTransaction.put("id", transaction.getStringId());
addedUnconfirmedTransactions.add(addedUnconfirmedTransaction);
}
response.put("addedUnconfirmedTransactions", addedUnconfirmedTransactions);
Users.sendNewDataToAll(response);
},
TransactionProcessor.Event.ADDED_UNCONFIRMED_TRANSACTIONS);
Nxt.getTransactionProcessor()
.addListener(
transactions -> {
JSONObject response = new JSONObject();
JSONArray addedConfirmedTransactions = new JSONArray();
for (Transaction transaction : transactions) {
JSONObject addedConfirmedTransaction = new JSONObject();
addedConfirmedTransaction.put("index", Users.getIndex(transaction));
addedConfirmedTransaction.put("blockTimestamp", transaction.getBlockTimestamp());
addedConfirmedTransaction.put("transactionTimestamp", transaction.getTimestamp());
addedConfirmedTransaction.put(
"sender", Long.toUnsignedString(transaction.getSenderId()));
addedConfirmedTransaction.put(
"recipient", Long.toUnsignedString(transaction.getRecipientId()));
addedConfirmedTransaction.put("amountNQT", transaction.getAmountNQT());
addedConfirmedTransaction.put("feeNQT", transaction.getFeeNQT());
addedConfirmedTransaction.put("id", transaction.getStringId());
addedConfirmedTransactions.add(addedConfirmedTransaction);
}
response.put("addedConfirmedTransactions", addedConfirmedTransactions);
Users.sendNewDataToAll(response);
},
TransactionProcessor.Event.ADDED_CONFIRMED_TRANSACTIONS);
Nxt.getBlockchainProcessor()
.addListener(
block -> {
JSONObject response = new JSONObject();
JSONArray addedOrphanedBlocks = new JSONArray();
JSONObject addedOrphanedBlock = new JSONObject();
addedOrphanedBlock.put("index", Users.getIndex(block));
addedOrphanedBlock.put("timestamp", block.getTimestamp());
addedOrphanedBlock.put("numberOfTransactions", block.getTransactions().size());
addedOrphanedBlock.put("totalAmountNQT", block.getTotalAmountNQT());
addedOrphanedBlock.put("totalFeeNQT", block.getTotalFeeNQT());
addedOrphanedBlock.put("payloadLength", block.getPayloadLength());
addedOrphanedBlock.put("generator", Long.toUnsignedString(block.getGeneratorId()));
addedOrphanedBlock.put("height", block.getHeight());
addedOrphanedBlock.put("version", block.getVersion());
addedOrphanedBlock.put("block", block.getStringId());
addedOrphanedBlock.put(
"baseTarget",
BigInteger.valueOf(block.getBaseTarget())
.multiply(BigInteger.valueOf(100000))
.divide(BigInteger.valueOf(Constants.INITIAL_BASE_TARGET)));
addedOrphanedBlocks.add(addedOrphanedBlock);
response.put("addedOrphanedBlocks", addedOrphanedBlocks);
Users.sendNewDataToAll(response);
},
BlockchainProcessor.Event.BLOCK_POPPED);
Nxt.getBlockchainProcessor()
.addListener(
block -> {
JSONObject response = new JSONObject();
JSONArray addedRecentBlocks = new JSONArray();
JSONObject addedRecentBlock = new JSONObject();
addedRecentBlock.put("index", Users.getIndex(block));
addedRecentBlock.put("timestamp", block.getTimestamp());
addedRecentBlock.put("numberOfTransactions", block.getTransactions().size());
addedRecentBlock.put("totalAmountNQT", block.getTotalAmountNQT());
addedRecentBlock.put("totalFeeNQT", block.getTotalFeeNQT());
addedRecentBlock.put("payloadLength", block.getPayloadLength());
addedRecentBlock.put("generator", Long.toUnsignedString(block.getGeneratorId()));
addedRecentBlock.put("height", block.getHeight());
addedRecentBlock.put("version", block.getVersion());
addedRecentBlock.put("block", block.getStringId());
addedRecentBlock.put(
"baseTarget",
BigInteger.valueOf(block.getBaseTarget())
.multiply(BigInteger.valueOf(100000))
.divide(BigInteger.valueOf(Constants.INITIAL_BASE_TARGET)));
addedRecentBlocks.add(addedRecentBlock);
response.put("addedRecentBlocks", addedRecentBlocks);
Users.sendNewDataToAll(response);
},
BlockchainProcessor.Event.BLOCK_PUSHED);
Generator.addListener(
generator -> {
JSONObject response = new JSONObject();
response.put("response", "setBlockGenerationDeadline");
response.put("deadline", generator.getDeadline());
users
.values()
.forEach(
user -> {
if (Arrays.equals(generator.getPublicKey(), user.getPublicKey())) {
user.send(response);
}
});
},
Generator.Event.GENERATION_DEADLINE);
}
}
void leaseEffectiveBalance(long lesseeId, short period) {
Account lessee = Account.getAccount(lesseeId);
if (lessee != null && lessee.getPublicKey() != null) {
int height = Nxt.getBlockchain().getHeight();
if (currentLeasingHeightFrom == Integer.MAX_VALUE) {
currentLeasingHeightFrom = height + 1440;
currentLeasingHeightTo = currentLeasingHeightFrom + period;
currentLesseeId = lesseeId;
nextLeasingHeightFrom = Integer.MAX_VALUE;
accountTable.insert(this);
leaseListeners.notify(
new AccountLease(
this.getId(), lesseeId, currentLeasingHeightFrom, currentLeasingHeightTo),
Event.LEASE_SCHEDULED);
} else {
nextLeasingHeightFrom = height + 1440;
if (nextLeasingHeightFrom < currentLeasingHeightTo) {
nextLeasingHeightFrom = currentLeasingHeightTo;
}
nextLeasingHeightTo = nextLeasingHeightFrom + period;
nextLesseeId = lesseeId;
accountTable.insert(this);
leaseListeners.notify(
new AccountLease(this.getId(), lesseeId, nextLeasingHeightFrom, nextLeasingHeightTo),
Event.LEASE_SCHEDULED);
}
}
}
static void removeOffer(CurrencyBuyOffer buyOffer) {
CurrencySellOffer sellOffer = buyOffer.getCounterOffer();
CurrencyBuyOffer.remove(buyOffer);
CurrencySellOffer.remove(sellOffer);
Account account = Account.getAccount(buyOffer.getAccountId());
account.addToUnconfirmedBalanceNQT(
Math.multiplyExact(buyOffer.getSupply(), buyOffer.getRateNQT()));
account.addToUnconfirmedCurrencyUnits(buyOffer.getCurrencyId(), sellOffer.getSupply());
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
long orderId = ParameterParser.getUnsignedLong(req, "order", true);
Account account = ParameterParser.getSenderAccount(req);
Order.Ask orderData = Order.Ask.getAskOrder(orderId);
if (orderData == null || orderData.getAccountId() != account.getId()) {
return UNKNOWN_ORDER;
}
Attachment attachment = new Attachment.ColoredCoinsAskOrderCancellation(orderId);
return createTransaction(req, account, attachment);
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
long recipientId = ParameterParser.getRecipientId(req);
Account recipientAccount = Account.getAccount(recipientId);
if (recipientAccount == null || recipientAccount.getPublicKey() == null) {
return INCORRECT_RECIPIENT;
}
EncryptedData encryptedData = ParameterParser.getEncryptedMessage(req, recipientAccount);
return JSONData.encryptedData(encryptedData);
}
@Override
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemExchangeSell attachment =
(Attachment.MonetarySystemExchangeSell) transaction.getAttachment();
if (senderAccount.getUnconfirmedCurrencyUnits(attachment.getCurrencyId())
>= attachment.getUnits()) {
senderAccount.addToUnconfirmedCurrencyUnits(
attachment.getCurrencyId(), -attachment.getUnits());
return true;
}
return false;
}
@Override
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemExchangeBuy attachment =
(Attachment.MonetarySystemExchangeBuy) transaction.getAttachment();
if (senderAccount.getUnconfirmedBalanceNQT()
>= Math.multiplyExact(attachment.getUnits(), attachment.getRateNQT())) {
senderAccount.addToUnconfirmedBalanceNQT(
-Math.multiplyExact(attachment.getUnits(), attachment.getRateNQT()));
return true;
}
return false;
}
@Override
void undoAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemPublishExchangeOffer attachment =
(Attachment.MonetarySystemPublishExchangeOffer) transaction.getAttachment();
senderAccount.addToUnconfirmedBalanceNQT(
Math.multiplyExact(attachment.getInitialBuySupply(), attachment.getBuyRateNQT()));
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
if (currency != null) {
senderAccount.addToUnconfirmedCurrencyUnits(
attachment.getCurrencyId(), attachment.getInitialSellSupply());
}
}
@Override
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemCurrencyTransfer attachment =
(Attachment.MonetarySystemCurrencyTransfer) transaction.getAttachment();
if (attachment.getUnits()
> senderAccount.getUnconfirmedCurrencyUnits(attachment.getCurrencyId())) {
return false;
}
senderAccount.addToUnconfirmedCurrencyUnits(
attachment.getCurrencyId(), -attachment.getUnits());
return true;
}
@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
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemReserveClaim attachment =
(Attachment.MonetarySystemReserveClaim) transaction.getAttachment();
if (senderAccount.getUnconfirmedCurrencyUnits(attachment.getCurrencyId())
>= attachment.getUnits()) {
senderAccount.addToUnconfirmedCurrencyUnits(
getLedgerEvent(),
transaction.getId(),
attachment.getCurrencyId(),
-attachment.getUnits());
return true;
}
return false;
}
public static Account getAccount(byte[] publicKey) {
Account account = accountTable.get(accountDbKeyFactory.newKey(getId(publicKey)));
if (account == null) {
return null;
}
if (account.getPublicKey() == null || Arrays.equals(account.getPublicKey(), publicKey)) {
return account;
}
throw new RuntimeException(
"DUPLICATE KEY for account "
+ Convert.toUnsignedLong(account.getId())
+ " existing key "
+ Convert.toHexString(account.getPublicKey())
+ " new key "
+ Convert.toHexString(publicKey));
}
@Override
void undoAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemExchangeBuy attachment =
(Attachment.MonetarySystemExchangeBuy) transaction.getAttachment();
senderAccount.addToUnconfirmedBalanceNQT(
Math.multiplyExact(attachment.getUnits(), attachment.getRateNQT()));
}
@Override
boolean applyAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemPublishExchangeOffer attachment =
(Attachment.MonetarySystemPublishExchangeOffer) transaction.getAttachment();
if (senderAccount.getUnconfirmedBalanceNQT()
>= Math.multiplyExact(
attachment.getInitialBuySupply(), attachment.getBuyRateNQT())
&& senderAccount.getUnconfirmedCurrencyUnits(attachment.getCurrencyId())
>= attachment.getInitialSellSupply()) {
senderAccount.addToUnconfirmedBalanceNQT(
-Math.multiplyExact(attachment.getInitialBuySupply(), attachment.getBuyRateNQT()));
senderAccount.addToUnconfirmedCurrencyUnits(
attachment.getCurrencyId(), -attachment.getInitialSellSupply());
return true;
}
return false;
}
@Override
void applyAttachment(
Transaction transaction, Account senderAccount, Account recipientAccount) {
Attachment.MonetarySystemCurrencyIssuance attachment =
(Attachment.MonetarySystemCurrencyIssuance) transaction.getAttachment();
Currency.addCurrency(transaction, senderAccount, attachment);
senderAccount.addToCurrencyAndUnconfirmedCurrencyUnits(
transaction.getId(), attachment.getInitialSupply());
}
@Override
protected JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
DigitalGoodsStore.Goods goods = ParameterParser.getGoods(req);
if (goods.isDelisted()) {
return UNKNOWN_GOODS;
}
int quantity = ParameterParser.getGoodsQuantity(req);
if (quantity > goods.getQuantity()) {
return INCORRECT_PURCHASE_QUANTITY;
}
long priceNQT = ParameterParser.getPriceNQT(req);
if (priceNQT != goods.getPriceNQT()) {
return INCORRECT_PURCHASE_PRICE;
}
String deliveryDeadlineString =
Convert.emptyToNull(req.getParameter("deliveryDeadlineTimestamp"));
if (deliveryDeadlineString == null) {
return MISSING_DELIVERY_DEADLINE_TIMESTAMP;
}
int deliveryDeadline;
try {
deliveryDeadline = Integer.parseInt(deliveryDeadlineString);
if (deliveryDeadline <= Nxt.getEpochTime()) {
return INCORRECT_DELIVERY_DEADLINE_TIMESTAMP;
}
} catch (NumberFormatException e) {
return INCORRECT_DELIVERY_DEADLINE_TIMESTAMP;
}
Account buyerAccount = ParameterParser.getSenderAccount(req);
Account sellerAccount = Account.getAccount(goods.getSellerId());
Attachment attachment =
new Attachment.DigitalGoodsPurchase(goods.getId(), quantity, priceNQT, deliveryDeadline);
try {
return createTransaction(req, buyerAccount, sellerAccount.getId(), 0, attachment);
} catch (NxtException.InsufficientBalanceException e) {
return JSONResponses.NOT_ENOUGH_FUNDS;
}
}
@Override
void undoAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemExchangeSell attachment =
(Attachment.MonetarySystemExchangeSell) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
if (currency != null) {
senderAccount.addToUnconfirmedCurrencyUnits(
attachment.getCurrencyId(), attachment.getUnits());
}
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
long assetId = ParameterParser.getUnsignedLong(req, "asset", true);
int height = ParameterParser.getHeight(req);
JSONObject response = new JSONObject();
response.put("numberOfAccounts", Account.getAssetAccountCount(assetId, height));
return response;
}
@Override
void undoAttachmentUnconfirmed(Transaction transaction, Account senderAccount) {
Attachment.MonetarySystemCurrencyTransfer attachment =
(Attachment.MonetarySystemCurrencyTransfer) transaction.getAttachment();
Currency currency = Currency.getCurrency(attachment.getCurrencyId());
if (currency != null) {
senderAccount.addToUnconfirmedCurrencyUnits(
getLedgerEvent(),
transaction.getId(),
attachment.getCurrencyId(),
attachment.getUnits());
}
}
@Override
public int getBlockCount(Account account) {
try (Connection con = Db.db.getConnection();
PreparedStatement pstmt =
con.prepareStatement("SELECT COUNT(*) FROM block WHERE generator_id = ?")) {
pstmt.setLong(1, account.getId());
try (ResultSet rs = pstmt.executeQuery()) {
rs.next();
return rs.getInt(1);
}
} catch (SQLException e) {
throw new RuntimeException(e.toString(), e);
}
}
public static Transaction create(
IAccount sender,
Long order,
short deadline,
int fee,
Long referencedTransaction,
NXTService nxt)
throws TransactionException, ValidationException {
String secretPhrase = sender.getPrivateKey();
byte[] publicKey = Crypto.getPublicKey(secretPhrase);
if ((fee <= 0) || (fee >= 1000000000L))
throw new TransactionException(TransactionException.INCORRECT_FEE);
if ((deadline < 1) || (deadline > 1440))
throw new TransactionException(TransactionException.INCORRECT_DEADLINE);
Account account = Account.getAccount(publicKey);
if (account == null) throw new TransactionException(TransactionException.INTERNAL_ERROR);
Order.Ask orderData = Order.Ask.getAskOrder(order);
if (orderData == null || !orderData.getAccount().getId().equals(account.getId()))
throw new TransactionException(TransactionException.UNKNOWN_ORDER);
Attachment attachment = new Attachment.ColoredCoinsAskOrderCancellation(order);
Transaction transaction =
Nxt.getTransactionProcessor()
.newTransaction(
deadline, publicKey, Genesis.CREATOR_ID, 0, fee, referencedTransaction, attachment);
transaction.sign(secretPhrase);
nxt.broacastTransaction(transaction);
return transaction;
}
@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()));
}
private Hallmark(
String hallmarkString,
byte[] publicKey,
byte[] signature,
String host,
int weight,
int date,
boolean isValid)
throws URISyntaxException {
this.hallmarkString = hallmarkString;
URI uri = new URI("http://" + host);
this.host = uri.getHost();
this.port = uri.getPort() == -1 ? Peers.getDefaultPeerPort() : uri.getPort();
this.publicKey = publicKey;
this.accountId = Account.getId(publicKey);
this.signature = signature;
this.weight = weight;
this.date = date;
this.isValid = isValid;
}
@Override
public DbIterator<BlockImpl> getBlocks(Account account, int timestamp, int from, int to) {
Connection con = null;
try {
con = Db.db.getConnection();
PreparedStatement pstmt =
con.prepareStatement(
"SELECT * FROM block WHERE generator_id = ? "
+ (timestamp > 0 ? " AND timestamp >= ? " : " ")
+ "ORDER BY height DESC"
+ DbUtils.limitsClause(from, to));
int i = 0;
pstmt.setLong(++i, account.getId());
if (timestamp > 0) {
pstmt.setInt(++i, timestamp);
}
DbUtils.setLimits(++i, pstmt, from, to);
return getBlocks(con, pstmt);
} catch (SQLException e) {
DbUtils.close(con);
throw new RuntimeException(e.toString(), e);
}
}
public DbIterator<Account.AccountAsset> getAccounts(int height, int from, int to) {
if (height < 0) {
return getAccounts(from, to);
}
return Account.getAssetAccounts(this.assetId, height, from, to);
}
@Override
public DbIterator<TransactionImpl> getTransactions(
Account account,
int numberOfConfirmations,
byte type,
byte subtype,
int blockTimestamp,
boolean withMessage,
boolean phasedOnly,
boolean nonPhasedOnly,
int from,
int to) {
if (phasedOnly && nonPhasedOnly) {
throw new IllegalArgumentException(
"At least one of phasedOnly or nonPhasedOnly must be false");
}
int height =
numberOfConfirmations > 0 ? getHeight() - numberOfConfirmations : Integer.MAX_VALUE;
if (height < 0) {
throw new IllegalArgumentException(
"Number of confirmations required "
+ numberOfConfirmations
+ " exceeds current blockchain height "
+ getHeight());
}
Connection con = null;
try {
StringBuilder buf = new StringBuilder();
buf.append("SELECT * FROM transaction WHERE recipient_id = ? AND sender_id <> ? ");
if (blockTimestamp > 0) {
buf.append("AND block_timestamp >= ? ");
}
if (type >= 0) {
buf.append("AND type = ? ");
if (subtype >= 0) {
buf.append("AND subtype = ? ");
}
}
if (height < Integer.MAX_VALUE) {
buf.append("AND height <= ? ");
}
if (withMessage) {
buf.append("AND (has_message = TRUE OR has_encrypted_message = TRUE ");
buf.append(
"OR ((has_prunable_message = TRUE OR has_prunable_encrypted_message = TRUE) AND timestamp > ?)) ");
}
if (phasedOnly) {
buf.append("AND phased = TRUE ");
} else if (nonPhasedOnly) {
buf.append("AND phased = FALSE ");
}
buf.append("UNION ALL SELECT * FROM transaction WHERE sender_id = ? ");
if (blockTimestamp > 0) {
buf.append("AND block_timestamp >= ? ");
}
if (type >= 0) {
buf.append("AND type = ? ");
if (subtype >= 0) {
buf.append("AND subtype = ? ");
}
}
if (height < Integer.MAX_VALUE) {
buf.append("AND height <= ? ");
}
if (withMessage) {
buf.append(
"AND (has_message = TRUE OR has_encrypted_message = TRUE OR has_encrypttoself_message = TRUE ");
buf.append(
"OR ((has_prunable_message = TRUE OR has_prunable_encrypted_message = TRUE) AND timestamp > ?)) ");
}
if (phasedOnly) {
buf.append("AND phased = TRUE ");
} else if (nonPhasedOnly) {
buf.append("AND phased = FALSE ");
}
buf.append("ORDER BY block_timestamp DESC, transaction_index DESC");
buf.append(DbUtils.limitsClause(from, to));
con = Db.db.getConnection();
PreparedStatement pstmt;
int i = 0;
pstmt = con.prepareStatement(buf.toString());
pstmt.setLong(++i, account.getId());
pstmt.setLong(++i, account.getId());
if (blockTimestamp > 0) {
pstmt.setInt(++i, blockTimestamp);
}
if (type >= 0) {
pstmt.setByte(++i, type);
if (subtype >= 0) {
pstmt.setByte(++i, subtype);
}
}
if (height < Integer.MAX_VALUE) {
pstmt.setInt(++i, height);
}
int prunableExpiration =
Constants.INCLUDE_EXPIRED_PRUNABLE
? 0
: Nxt.getEpochTime() - Constants.MAX_PRUNABLE_LIFETIME;
if (withMessage) {
pstmt.setInt(++i, prunableExpiration);
}
pstmt.setLong(++i, account.getId());
if (blockTimestamp > 0) {
pstmt.setInt(++i, blockTimestamp);
}
if (type >= 0) {
pstmt.setByte(++i, type);
if (subtype >= 0) {
pstmt.setByte(++i, subtype);
}
}
if (height < Integer.MAX_VALUE) {
pstmt.setInt(++i, height);
}
if (withMessage) {
pstmt.setInt(++i, prunableExpiration);
}
DbUtils.setLimits(++i, pstmt, from, to);
return getTransactions(con, pstmt);
} catch (SQLException e) {
DbUtils.close(con);
throw new RuntimeException(e.toString(), e);
}
}
@Override
protected void save(Connection con, Account account) throws SQLException {
account.save(con);
}
public DbIterator<Account.AccountAsset> getAccounts(int from, int to) {
return Account.getAssetAccounts(this.assetId, from, to);
}