@Override
JSONStreamAware processRequest(HttpServletRequest req) {
JSONObject response = new JSONObject();
long longId = Convert.fullHashToId(Convert.parseHexString(req.getParameter("fullHash")));
response.put("longId", String.valueOf(longId));
response.put("stringId", Long.toUnsignedString(longId));
return response;
}
@Override
public void run() {
String shareRequest =
plotFile.getAddress()
+ ":"
+ nonce
+ ":"
+ processing.getHeight()
+ " deadline {"
+ deadline
+ "}";
LOGGER.info("Submitting share {" + shareRequest + "}");
try {
if (poolType.equals(POOL_TYPE_URAY)) {
String request =
poolUrl
+ "/burst?requestType=submitNonce&secretPhrase=pool-mining&nonce="
+ Convert.toUnsignedLong(nonce)
+ "&accountId="
+ Convert.toUnsignedLong(plotFile.getAddress());
String response = restTemplate.postForObject(request, shareRequest, String.class);
LOGGER.info("Response {" + response + "}}");
plotFile.addShare();
} else if (poolType.equals(POOL_TYPE_OFFICIAL)) {
shareRequest = plotFile.getAddress() + ":" + nonce + ":" + processing.getHeight() + "\n";
String response =
restTemplate.postForObject(poolUrl + "/pool/submitWork", shareRequest, String.class);
LOGGER.info("Response {" + response + "}}");
plotFile.addShare();
}
lastShareSubmitTime = System.currentTimeMillis();
} catch (Exception ex) {
LOGGER.info("Failed to submitShare {" + shareRequest + "}");
}
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) {
String accountIdString = Convert.emptyToNull(req.getParameter("account"));
Long accountId = null;
if (accountIdString != null) {
try {
accountId = Convert.parseUnsignedLong(accountIdString);
} catch (RuntimeException e) {
return INCORRECT_ACCOUNT;
}
}
JSONArray transactionIds = new JSONArray();
for (Transaction transaction : Nxt.getTransactionProcessor().getAllUnconfirmedTransactions()) {
if (accountId != null
&& !(accountId.equals(transaction.getSenderId())
|| accountId.equals(transaction.getRecipientId()))) {
continue;
}
transactionIds.add(transaction.getStringId());
}
JSONObject response = new JSONObject();
response.put("unconfirmedTransactionIds", transactionIds);
return response;
}
public static String generateHallmark(String secretPhrase, String host, int weight, int date) {
if (host.length() == 0 || host.length() > 100) {
throw new IllegalArgumentException("Hostname length should be between 1 and 100");
}
if (weight <= 0 || weight > Constants.MAX_BALANCE_NXT) {
throw new IllegalArgumentException(
"Weight should be between 1 and " + Constants.MAX_BALANCE_NXT);
}
byte[] publicKey = Crypto.getPublicKey(secretPhrase);
byte[] hostBytes = Convert.toBytes(host);
ByteBuffer buffer = ByteBuffer.allocate(32 + 2 + hostBytes.length + 4 + 4 + 1);
buffer.order(ByteOrder.LITTLE_ENDIAN);
buffer.put(publicKey);
buffer.putShort((short) hostBytes.length);
buffer.put(hostBytes);
buffer.putInt(weight);
buffer.putInt(date);
byte[] data = buffer.array();
data[data.length - 1] = (byte) ThreadLocalRandom.current().nextInt();
byte[] signature = Crypto.sign(data, secretPhrase);
return Convert.toHexString(data) + Convert.toHexString(signature);
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
long accountId = ParameterParser.getAccount(req).getId();
long assetId = 0;
try {
assetId = Convert.parseUnsignedLong(req.getParameter("asset"));
} catch (RuntimeException e) {
// ignore
}
int firstIndex = ParameterParser.getFirstIndex(req);
int lastIndex = ParameterParser.getLastIndex(req);
DbIterator<Order.Ask> askOrders;
if (assetId == 0) {
askOrders = Order.Ask.getAskOrdersByAccount(accountId, firstIndex, lastIndex);
} else {
askOrders = Order.Ask.getAskOrdersByAccountAsset(accountId, assetId, firstIndex, lastIndex);
}
JSONArray orderIds = new JSONArray();
try {
while (askOrders.hasNext()) {
orderIds.add(Convert.toUnsignedLong(askOrders.next().getId()));
}
} finally {
askOrders.close();
}
JSONObject response = new JSONObject();
response.put("askOrderIds", orderIds);
return response;
}
@Override
public Object getCellValue(Object element) {
ITransaction transaction = (ITransaction) element;
Transaction t = transaction.getNative();
if (accountId.equals(t.getSenderId())) {
return Convert.toUnsignedLong(t.getRecipientId());
}
return Convert.toUnsignedLong(t.getSenderId());
}
@Test
public void sha256() {
byte[] hash = HashFunction.SHA256.hash(new byte[] {0x61, 0x62, 0x63});
Assert.assertEquals(
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
Convert.toHexString(hash));
hash = HashFunction.SHA256.hash(new byte[] {});
Assert.assertEquals(
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
Convert.toHexString(hash));
}
@Override
public String toString() {
return "AccountAsset account_id: "
+ Convert.toUnsignedLong(accountId)
+ " asset_id: "
+ Convert.toUnsignedLong(assetId)
+ " quantity: "
+ quantityQNT
+ " unconfirmedQuantity: "
+ unconfirmedQuantityQNT;
}
@Test
public void sha3() {
byte[] hash = HashFunction.SHA3.hash(new byte[] {(byte) 0x41, (byte) 0xFB});
Assert.assertEquals(
"A8EACEDA4D47B3281A795AD9E1EA2122B407BAF9AABCB9E18B5717B7873537D2".toLowerCase(),
Convert.toHexString(hash));
hash = HashFunction.SHA3.hash(new byte[] {});
Assert.assertEquals(
"c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
Convert.toHexString(hash));
}
@Test
public void scrypt() {
byte[] hash = HashFunction.SCRYPT.hash(new byte[] {(byte) 0x41, (byte) 0xFB});
Assert.assertEquals(
"da3f4f010d772567a8896465d11df28693b244c91b8ba4bea5a30f6be572b667".toLowerCase(),
Convert.toHexString(hash));
hash = HashFunction.SCRYPT.hash(new byte[] {});
Assert.assertEquals(
"0cf2967ca5c120e80b37f8f75c971842e05da107278c1058e6ffbc68911c11f1",
Convert.toHexString(hash));
}
void addToBalanceAndUnconfirmedBalanceNQT(long amountNQT) {
if (amountNQT == 0) {
return;
}
this.balanceNQT = Convert.safeAdd(this.balanceNQT, amountNQT);
this.unconfirmedBalanceNQT = Convert.safeAdd(this.unconfirmedBalanceNQT, amountNQT);
addToGuaranteedBalanceNQT(amountNQT);
checkBalance(this.id, this.balanceNQT, this.unconfirmedBalanceNQT);
accountTable.insert(this);
listeners.notify(this, Event.BALANCE);
listeners.notify(this, Event.UNCONFIRMED_BALANCE);
}
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, private");
resp.setHeader("Pragma", "no-cache");
resp.setDateHeader("Expires", 0);
resp.setContentType("text/html; charset=UTF-8");
if (API.allowedBotHosts != null && !API.allowedBotHosts.contains(req.getRemoteHost())) {
resp.sendError(HttpServletResponse.SC_FORBIDDEN);
return;
}
try (PrintWriter writer = resp.getWriter()) {
writer.print(header1);
writer.print(buildLinks(req));
writer.print(header2);
String requestType = Convert.nullToEmpty(req.getParameter("requestType"));
APIServlet.APIRequestHandler requestHandler = APIServlet.apiRequestHandlers.get(requestType);
StringBuilder bufJSCalls = new StringBuilder();
if (requestHandler != null) {
writer.print(
form(
requestType,
true,
requestHandler.getClass().getName(),
requestHandler.getParameters(),
requestHandler.requirePost()));
bufJSCalls.append("apiCalls.push(\"").append(requestType).append("\");\n");
} else {
String requestTag = Convert.nullToEmpty(req.getParameter("requestTag"));
Set<String> taggedTypes = requestTags.get(requestTag);
for (String type : (taggedTypes != null ? taggedTypes : allRequestTypes)) {
requestHandler = APIServlet.apiRequestHandlers.get(type);
writer.print(
form(
type,
false,
requestHandler.getClass().getName(),
APIServlet.apiRequestHandlers.get(type).getParameters(),
APIServlet.apiRequestHandlers.get(type).requirePost()));
bufJSCalls.append("apiCalls.push(\"").append(type).append("\");\n");
}
}
writer.print(footer1);
writer.print(bufJSCalls.toString());
writer.print(footer2);
}
}
@Override
public Object getCellValue(Object element) {
ITransaction transaction = (ITransaction) element;
Transaction t = transaction.getNative();
IContact contact;
if (t.getSenderId().equals(accountId))
contact =
getContactsService().getContact(Convert.toUnsignedLong(t.getRecipientId()));
else
contact =
getContactsService().getContact(Convert.toUnsignedLong(t.getSenderId()));
if (contact != null) return contact.getName();
return EMPTY_STRING;
}
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
JSONStreamAware processRequest(HttpServletRequest req) {
String[] assets = req.getParameterValues("assets");
boolean includeCounts = !"false".equalsIgnoreCase(req.getParameter("includeCounts"));
JSONObject response = new JSONObject();
JSONArray assetsJSONArray = new JSONArray();
response.put("assets", assetsJSONArray);
for (String assetIdString : assets) {
if (assetIdString == null || assetIdString.equals("")) {
continue;
}
try {
Asset asset = Asset.getAsset(Convert.parseUnsignedLong(assetIdString));
if (asset == null) {
return UNKNOWN_ASSET;
}
assetsJSONArray.add(JSONData.asset(asset, includeCounts));
} catch (RuntimeException e) {
return INCORRECT_ASSET;
}
}
return response;
}
private void addToGuaranteedBalanceNQT(long amountNQT) {
if (amountNQT <= 0) {
return;
}
int blockchainHeight = Nxt.getBlockchain().getHeight();
try (Connection con = Db.getConnection();
PreparedStatement pstmtSelect =
con.prepareStatement(
"SELECT additions FROM account_guaranteed_balance "
+ "WHERE account_id = ? and height = ?");
PreparedStatement pstmtUpdate =
con.prepareStatement(
"MERGE INTO account_guaranteed_balance (account_id, "
+ " additions, height) KEY (account_id, height) VALUES(?, ?, ?)")) {
pstmtSelect.setLong(1, this.id);
pstmtSelect.setInt(2, blockchainHeight);
try (ResultSet rs = pstmtSelect.executeQuery()) {
long additions = amountNQT;
if (rs.next()) {
additions = Convert.safeAdd(additions, rs.getLong("additions"));
}
pstmtUpdate.setLong(1, this.id);
pstmtUpdate.setLong(2, additions);
pstmtUpdate.setInt(3, blockchainHeight);
pstmtUpdate.executeUpdate();
}
} catch (SQLException e) {
throw new RuntimeException(e.toString(), e);
}
}
@Override
public void run() {
try {
try {
List<Transaction> transactionList = new ArrayList<>();
int curTime = Convert.getEpochTime();
for (TransactionImpl transaction : nonBroadcastedTransactions.values()) {
if (TransactionDb.hasTransaction(transaction.getId())
|| transaction.getExpiration() < curTime) {
nonBroadcastedTransactions.remove(transaction.getId());
} else if (transaction.getTimestamp() < curTime - 30) {
transactionList.add(transaction);
}
}
if (transactionList.size() > 0) {
Peers.sendToSomePeers(transactionList);
}
} catch (Exception e) {
Logger.logDebugMessage("Error in transaction re-broadcasting thread", e);
}
} catch (Throwable t) {
Logger.logMessage("CRITICAL ERROR. PLEASE REPORT TO THE DEVELOPERS.\n" + t.toString());
t.printStackTrace();
System.exit(1);
}
}
@Override
public Transaction newTransaction(
short deadline,
byte[] senderPublicKey,
Long recipientId,
long amountNQT,
long feeNQT,
String referencedTransactionFullHash,
Attachment attachment)
throws NxtException.ValidationException {
TransactionImpl transaction =
new TransactionImpl(
attachment.getTransactionType(),
Convert.getEpochTime(),
deadline,
senderPublicKey,
recipientId,
amountNQT,
feeNQT,
referencedTransactionFullHash,
null);
transaction.setAttachment(attachment);
transaction.validateAttachment();
return transaction;
}
void addToForgedBalanceNQT(long amountNQT) {
if (amountNQT == 0) {
return;
}
this.forgedBalanceNQT = Convert.safeAdd(this.forgedBalanceNQT, amountNQT);
accountTable.insert(this);
}
private static void checkBalance(long accountId, long confirmed, long unconfirmed) {
if (confirmed < 0) {
throw new DoubleSpendingException(
"Negative balance or quantity for account " + Convert.toUnsignedLong(accountId));
}
if (unconfirmed < 0) {
throw new DoubleSpendingException(
"Negative unconfirmed balance or quantity for account "
+ Convert.toUnsignedLong(accountId));
}
if (unconfirmed > confirmed) {
throw new DoubleSpendingException(
"Unconfirmed exceeds confirmed balance or quantity for account "
+ Convert.toUnsignedLong(accountId));
}
}
public long getGuaranteedBalanceNQT(final int numberOfConfirmations, final int currentHeight) {
if (numberOfConfirmations >= Nxt.getBlockchain().getHeight()) {
return 0;
}
if (numberOfConfirmations > 2880 || numberOfConfirmations < 0) {
throw new IllegalArgumentException(
"Number of required confirmations must be between 0 and " + 2880);
}
int height = currentHeight - numberOfConfirmations;
try (Connection con = Db.getConnection();
PreparedStatement pstmt =
con.prepareStatement(
"SELECT SUM (additions) AS additions "
+ "FROM account_guaranteed_balance WHERE account_id = ? AND height > ? AND height <= ?")) {
pstmt.setLong(1, this.id);
pstmt.setInt(2, height);
pstmt.setInt(3, currentHeight);
try (ResultSet rs = pstmt.executeQuery()) {
if (!rs.next()) {
return balanceNQT;
}
return Math.max(Convert.safeSubtract(balanceNQT, rs.getLong("additions")), 0);
}
} catch (SQLException e) {
throw new RuntimeException(e.toString(), e);
}
}
// returns true iff:
// this.publicKey is set to null (in which case this.publicKey also gets set to key)
// or
// this.publicKey is already set to an array equal to key
boolean setOrVerify(byte[] key, int height) {
if (this.publicKey == null) {
if (Db.isInTransaction()) {
this.publicKey = key;
this.keyHeight = -1;
accountTable.insert(this);
}
return true;
} else if (Arrays.equals(this.publicKey, key)) {
return true;
} else if (this.keyHeight == -1) {
Logger.logMessage("DUPLICATE KEY!!!");
Logger.logMessage(
"Account key for "
+ Convert.toUnsignedLong(id)
+ " was already set to a different one at the same height "
+ ", current height is "
+ height
+ ", rejecting new key");
return false;
} else if (this.keyHeight >= height) {
Logger.logMessage("DUPLICATE KEY!!!");
if (Db.isInTransaction()) {
Logger.logMessage(
"Changing key for account "
+ Convert.toUnsignedLong(id)
+ " at height "
+ height
+ ", was previously set to a different one at height "
+ keyHeight);
this.publicKey = key;
this.keyHeight = height;
accountTable.insert(this);
}
return true;
}
Logger.logMessage("DUPLICATE KEY!!!");
Logger.logMessage(
"Invalid key for account "
+ Convert.toUnsignedLong(id)
+ " at height "
+ height
+ ", was already set to a different one at height "
+ keyHeight);
return false;
}
private void loadPassPhrases() {
try {
List<String> passphrases =
Files.readAllLines(Paths.get("passphrases.txt"), Charset.forName("US-ASCII"));
for (String ps : passphrases) {
if (!ps.isEmpty()) {
byte[] publicKey = Crypto.getPublicKey(ps);
byte[] publicKeyHash = Crypto.sha256().digest(publicKey);
Long id = Convert.fullHashToId(publicKeyHash);
loadedPassPhrases.put(id, ps);
LOGGER.info("Added key: {" + ps + "} -> {" + Convert.toUnsignedLong(id) + "}");
}
}
} catch (IOException e) {
LOGGER.info("Warning: no passphrases.txt found");
}
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
String transactionBytes = Convert.emptyToNull(req.getParameter("transactionBytes"));
String transactionJSON = Convert.emptyToNull(req.getParameter("transactionJSON"));
String prunableAttachmentJSON = Convert.emptyToNull(req.getParameter("prunableAttachmentJSON"));
Transaction transaction =
ParameterParser.parseTransaction(transactionJSON, transactionBytes, prunableAttachmentJSON)
.build();
JSONObject response = JSONData.unconfirmedTransaction(transaction);
try {
transaction.validate();
} catch (NxtException.ValidationException | RuntimeException e) {
Logger.logDebugMessage(e.getMessage(), e);
response.put("validate", false);
JSONData.putException(response, e, "Invalid transaction");
}
response.put("verify", transaction.verifySignature());
return response;
}
void addToAssetAndUnconfirmedAssetBalanceQNT(long assetId, long quantityQNT) {
if (quantityQNT == 0) {
return;
}
AccountAsset accountAsset;
accountAsset = accountAssetTable.get(accountAssetDbKeyFactory.newKey(this.id, assetId));
long assetBalance = accountAsset == null ? 0 : accountAsset.quantityQNT;
assetBalance = Convert.safeAdd(assetBalance, quantityQNT);
long unconfirmedAssetBalance = accountAsset == null ? 0 : accountAsset.unconfirmedQuantityQNT;
unconfirmedAssetBalance = Convert.safeAdd(unconfirmedAssetBalance, quantityQNT);
if (accountAsset == null) {
accountAsset = new AccountAsset(this.id, assetId, assetBalance, unconfirmedAssetBalance);
} else {
accountAsset.quantityQNT = assetBalance;
accountAsset.unconfirmedQuantityQNT = unconfirmedAssetBalance;
}
accountAsset.save();
listeners.notify(this, Event.ASSET_BALANCE);
listeners.notify(this, Event.UNCONFIRMED_ASSET_BALANCE);
assetListeners.notify(accountAsset, Event.ASSET_BALANCE);
assetListeners.notify(accountAsset, Event.UNCONFIRMED_ASSET_BALANCE);
}
public static Hallmark parseHallmark(String hallmarkString) {
byte[] hallmarkBytes = Convert.parseHexString(hallmarkString);
ByteBuffer buffer = ByteBuffer.wrap(hallmarkBytes);
buffer.order(ByteOrder.LITTLE_ENDIAN);
byte[] publicKey = new byte[32];
buffer.get(publicKey);
int hostLength = buffer.getShort();
if (hostLength > 300) {
throw new IllegalArgumentException("Invalid host length");
}
byte[] hostBytes = new byte[hostLength];
buffer.get(hostBytes);
String host = Convert.toString(hostBytes);
int weight = buffer.getInt();
int date = buffer.getInt();
buffer.get();
byte[] signature = new byte[64];
buffer.get(signature);
byte[] data = new byte[hallmarkBytes.length - 64];
System.arraycopy(hallmarkBytes, 0, data, 0, data.length);
boolean isValid =
host.length() < 100
&& weight > 0
&& weight <= Constants.MAX_BALANCE_NXT
&& Crypto.verify(signature, data, publicKey, true);
try {
return new Hallmark(hallmarkString, publicKey, signature, host, weight, date, isValid);
} catch (URISyntaxException e) {
throw new RuntimeException(e.toString(), e);
}
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws ParameterException {
String query = Convert.nullToEmpty(req.getParameter("query"));
int firstIndex = ParameterParser.getFirstIndex(req);
int lastIndex = ParameterParser.getLastIndex(req);
boolean includeCounts = !"false".equalsIgnoreCase(req.getParameter("includeCounts"));
JSONObject response = new JSONObject();
JSONArray jsonArray = new JSONArray();
try (DbIterator<Currency> currencies =
Currency.searchCurrencies(query, firstIndex, lastIndex)) {
while (currencies.hasNext()) {
jsonArray.add(JSONData.currency(currencies.next(), includeCounts));
}
}
response.put("currencies", jsonArray);
return response;
}
void apply(byte[] key, int height) {
if (!setOrVerify(key, this.creationHeight)) {
throw new IllegalStateException("Public key mismatch");
}
if (this.publicKey == null) {
throw new IllegalStateException(
"Public key has not been set for account "
+ Convert.toUnsignedLong(id)
+ " at height "
+ height
+ ", key height is "
+ keyHeight);
}
if (this.keyHeight == -1 || this.keyHeight > height) {
this.keyHeight = height;
accountTable.insert(this);
}
}
@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;
}
}
private static String buildLinks(HttpServletRequest req) {
StringBuilder buf = new StringBuilder();
String requestTag = Convert.nullToEmpty(req.getParameter("requestTag"));
buf.append("<li");
if (requestTag.equals("")) {
buf.append(" class=\"active\"");
}
buf.append("><a href=\"/test\">All</a></li>");
for (APITag apiTag : APITag.values()) {
if (requestTags.get(apiTag.name()) != null) {
buf.append("<li");
if (requestTag.equals(apiTag.name())) {
buf.append(" class=\"active\"");
}
buf.append("><a href=\"/test?requestTag=").append(apiTag.name()).append("\">");
buf.append(apiTag.getDisplayName()).append("</a></li>").append(" ");
}
}
return buf.toString();
}