@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;
}
@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 void run() {
try {
try {
int curTime = Convert.getEpochTime();
List<Transaction> removedUnconfirmedTransactions = new ArrayList<>();
synchronized (BlockchainImpl.getInstance()) {
Iterator<TransactionImpl> iterator = unconfirmedTransactions.values().iterator();
while (iterator.hasNext()) {
TransactionImpl transaction = iterator.next();
if (transaction.getExpiration() < curTime) {
iterator.remove();
unconfirmedTransactionHashes.remove(transaction.getHash());
transaction.undoUnconfirmed();
removedUnconfirmedTransactions.add(transaction);
}
}
}
if (removedUnconfirmedTransactions.size() > 0) {
transactionListeners.notify(
removedUnconfirmedTransactions, Event.REMOVED_UNCONFIRMED_TRANSACTIONS);
}
} catch (Exception e) {
Logger.logDebugMessage("Error removing unconfirmed transactions", e);
}
} catch (Throwable t) {
Logger.logMessage("CRITICAL ERROR. PLEASE REPORT TO THE DEVELOPERS.\n" + t.toString());
t.printStackTrace();
System.exit(1);
}
}
private List<Transaction> processTransactions(
List<TransactionImpl> transactions, final boolean sendToPeers) {
List<Transaction> sendToPeersTransactions = new ArrayList<>();
List<Transaction> addedUnconfirmedTransactions = new ArrayList<>();
List<Transaction> addedDoubleSpendingTransactions = new ArrayList<>();
for (TransactionImpl transaction : transactions) {
try {
int curTime = Convert.getEpochTime();
if (transaction.getTimestamp() > curTime + 15
|| transaction.getExpiration() < curTime
|| transaction.getDeadline() > 1440) {
continue;
}
synchronized (BlockchainImpl.getInstance()) {
Long id = transaction.getId();
if (TransactionDb.hasTransaction(id)
|| unconfirmedTransactions.containsKey(id)
|| !transaction.verify()) {
continue;
}
if (transactionHashes.containsKey(transaction.getHash())
|| unconfirmedTransactionHashes.containsKey(transaction.getHash())) {
continue;
}
if (transaction.applyUnconfirmed()) {
if (sendToPeers) {
if (nonBroadcastedTransactions.containsKey(id)) {
Logger.logDebugMessage(
"Received back transaction "
+ transaction.getStringId()
+ " that we generated, will not forward to peers");
nonBroadcastedTransactions.remove(id);
} else {
sendToPeersTransactions.add(transaction);
}
}
unconfirmedTransactions.put(id, transaction);
unconfirmedTransactionHashes.put(transaction.getHash(), transaction);
addedUnconfirmedTransactions.add(transaction);
} else {
addedDoubleSpendingTransactions.add(transaction);
}
}
} catch (RuntimeException e) {
Logger.logMessage("Error processing transaction", e);
}
}
if (sendToPeersTransactions.size() > 0) {
Peers.sendToSomePeers(sendToPeersTransactions);
}
if (addedUnconfirmedTransactions.size() > 0) {
transactionListeners.notify(
addedUnconfirmedTransactions, Event.ADDED_UNCONFIRMED_TRANSACTIONS);
}
if (addedDoubleSpendingTransactions.size() > 0) {
transactionListeners.notify(
addedDoubleSpendingTransactions, Event.ADDED_DOUBLESPENDING_TRANSACTIONS);
}
return addedUnconfirmedTransactions;
}