private void handleNewExternalTransactionsInt(Collection<TransactionEx> transactions)
throws WapiException {
// Transform and put into two arrays with matching indexes
ArrayList<TransactionEx> texArray = new ArrayList<TransactionEx>(transactions.size());
ArrayList<Transaction> txArray = new ArrayList<Transaction>(transactions.size());
for (TransactionEx tex : transactions) {
try {
txArray.add(Transaction.fromByteReader(new ByteReader(tex.binary)));
texArray.add(tex);
} catch (TransactionParsingException e) {
// We hit a transaction that we cannot parse. Log but otherwise ignore it
_logger.logError("Received transaction that we cannot parse: " + tex.txid.toString());
continue;
}
}
// Grab and handle parent transactions
fetchStoreAndValidateParentOutputs(txArray);
// Store transaction locally
for (int i = 0; i < txArray.size(); i++) {
_backing.putTransaction(texArray.get(i));
onNewTransaction(texArray.get(i), txArray.get(i));
}
}
protected TransactionSummary transform(TransactionEx tex, int blockChainHeight) {
Transaction tx;
try {
tx = Transaction.fromByteReader(new ByteReader(tex.binary));
} catch (TransactionParsingException e) {
// Should not happen as we have parsed the transaction earlier
_logger.logError("Unable to parse ");
return null;
}
return transform(tx, tex.time, tex.height, blockChainHeight);
}
protected Balance calculateLocalBalance() {
Collection<TransactionOutputEx> unspentOutputs =
new HashSet<TransactionOutputEx>(_backing.getAllUnspentOutputs());
long confirmed = 0;
long pendingChange = 0;
long pendingSending = 0;
long pendingReceiving = 0;
//
// Determine the value we are receiving and create a set of outpoints for fast lookup
//
Set<OutPoint> unspentOutPoints = new HashSet<OutPoint>();
for (TransactionOutputEx output : unspentOutputs) {
if (output.height == -1) {
if (isFromMe(output.outPoint.hash)) {
pendingChange += output.value;
} else {
pendingReceiving += output.value;
}
} else {
confirmed += output.value;
}
unspentOutPoints.add(output.outPoint);
}
//
// Determine the value we are sending
//
// Get the current set of unconfirmed transactions
List<Transaction> unconfirmed = new ArrayList<Transaction>();
for (TransactionEx tex : _backing.getUnconfirmedTransactions()) {
try {
Transaction t = Transaction.fromByteReader(new ByteReader(tex.binary));
unconfirmed.add(t);
} catch (TransactionParsingException e) {
// never happens, we have parsed it before
}
}
for (Transaction t : unconfirmed) {
// For each input figure out if WE are sending it by fetching the
// parent transaction and looking at the address
boolean weSend = false;
for (TransactionInput input : t.inputs) {
// Find the parent transaction
if (input.outPoint.hash.equals(Sha256Hash.ZERO_HASH)) {
continue;
}
TransactionOutputEx parent = _backing.getParentTransactionOutput(input.outPoint);
if (parent == null) {
_logger.logError("Unable to find parent transaction output: " + input.outPoint);
continue;
}
TransactionOutput parentOutput = transform(parent);
Address fundingAddress = parentOutput.script.getAddress(_network);
if (isMine(fundingAddress)) {
// One of our addresses are sending coins
pendingSending += parentOutput.value;
weSend = true;
}
}
// Now look at the outputs and if it contains change for us, then subtract that from the
// sending amount
// if it is already spent in another transaction
for (int i = 0; i < t.outputs.length; i++) {
TransactionOutput output = t.outputs[i];
Address destination = output.script.getAddress(_network);
if (weSend && isMine(destination)) {
// The funds are sent from us to us
OutPoint outPoint = new OutPoint(t.getHash(), i);
if (!unspentOutPoints.contains(outPoint)) {
// This output has been spent, subtract it from the amount sent
pendingSending -= output.value;
}
}
}
}
int blockHeight = getBlockChainHeight();
return new Balance(
confirmed,
pendingReceiving,
pendingSending,
pendingChange,
System.currentTimeMillis(),
blockHeight,
true,
_allowZeroConfSpending);
}