/**
* Broadcast outgoing transactions.
*
* <p>This method should only be called from the wallet manager
*
* @return false if synchronization failed due to failed blockchain connection
*/
public synchronized boolean broadcastOutgoingTransactions() {
checkNotArchived();
List<Sha256Hash> broadcastedIds = new LinkedList<Sha256Hash>();
Map<Sha256Hash, byte[]> transactions = _backing.getOutgoingTransactions();
for (byte[] rawTransaction : transactions.values()) {
TransactionEx tex = TransactionEx.fromUnconfirmedTransaction(rawTransaction);
BroadcastResult result = broadcastTransaction(TransactionEx.toTransaction(tex));
if (result == BroadcastResult.SUCCESS) {
broadcastedIds.add(tex.txid);
_backing.removeOutgoingTransaction(tex.txid);
} else {
if (result == BroadcastResult.REJECTED) {
// invalid tx
_backing.deleteTransaction(tex.txid);
_backing.removeOutgoingTransaction(tex.txid);
} else {
// No connection --> retry next sync
}
}
}
if (!broadcastedIds.isEmpty()) {
onTransactionsBroadcasted(broadcastedIds);
}
return true;
}
@Override
public synchronized boolean cancelQueuedTransaction(Sha256Hash transaction) {
Map<Sha256Hash, byte[]> outgoingTransactions = _backing.getOutgoingTransactions();
if (!outgoingTransactions.containsKey(transaction)) {
return false;
}
Transaction tx;
try {
tx = Transaction.fromBytes(outgoingTransactions.get(transaction));
} catch (TransactionParsingException e) {
return false;
}
_backing.beginTransaction();
try {
// See if any of the outputs are stored locally and remove them
for (int i = 0; i < tx.outputs.length; i++) {
TransactionOutput output = tx.outputs[i];
OutPoint outPoint = new OutPoint(tx.getHash(), i);
TransactionOutputEx utxo = _backing.getUnspentOutput(outPoint);
if (utxo != null) {
_backing.deleteUnspentOutput(outPoint);
}
}
// Remove a queued transaction from our outgoing buffer
_backing.removeOutgoingTransaction(transaction);
// remove it from the backing
_backing.deleteTransaction(transaction);
_backing.setTransactionSuccessful();
} finally {
_backing.endTransaction();
}
// calc the new balance to remove the outgoing amount
// the total balance will still be wrong, as we already deleted some UTXOs to build the queued
// transaction
// these will get restored after the next sync
updateLocalBalance();
// markTransactionAsSpent(transaction);
return true;
}