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));
}
}
private void markTransactionAsSpent(Transaction transaction) {
_backing.beginTransaction();
try {
// Remove inputs from unspent, marking them as spent
for (TransactionInput input : transaction.inputs) {
TransactionOutputEx parentOutput = _backing.getUnspentOutput(input.outPoint);
if (parentOutput != null) {
_backing.deleteUnspentOutput(input.outPoint);
_backing.putParentTransactionOutput(parentOutput);
}
}
// See if any of the outputs are for ourselves and store them as
// unspent
for (int i = 0; i < transaction.outputs.length; i++) {
TransactionOutput output = transaction.outputs[i];
if (isMine(output.script)) {
_backing.putUnspentOutput(
new TransactionOutputEx(
new OutPoint(transaction.getHash(), i),
-1,
output.value,
output.script.getScriptBytes(),
false));
}
}
// Store transaction locally, so we have it in our history and don't
// need to fetch it in a minute
_backing.putTransaction(TransactionEx.fromUnconfirmedTransaction(transaction));
_backing.setTransactionSuccessful();
} finally {
_backing.endTransaction();
}
// Tell account that we have a new transaction
onNewTransaction(TransactionEx.fromUnconfirmedTransaction(transaction), transaction);
// Calculate local balance cache. It has changed because we have done
// some spending
updateLocalBalance();
persistContextIfNecessary();
}
protected boolean monitorYoungTransactions() {
Collection<TransactionEx> list = _backing.getYoungTransactions(5, getBlockChainHeight());
if (list.isEmpty()) {
return true;
}
List<Sha256Hash> txids = new ArrayList<Sha256Hash>(list.size());
for (TransactionEx tex : list) {
txids.add(tex.txid);
}
CheckTransactionsResponse result;
try {
result = _wapi.checkTransactions(new CheckTransactionsRequest(txids)).getResult();
} catch (WapiException e) {
postEvent(Event.SERVER_CONNECTION_ERROR);
_logger.logError("Server connection failed with error code: " + e.errorCode, e);
// We failed to check transactions
return false;
}
for (TransactionStatus t : result.transactions) {
if (!t.found) {
// We have a transaction locally that does not exist in the
// blockchain. Must be a residue due to double-spend or malleability
_backing.deleteTransaction(t.txid);
continue;
}
TransactionEx tex = _backing.getTransaction(t.txid);
Preconditions.checkNotNull(tex);
if (tex.height != t.height || tex.time != t.time) {
// The transaction got a new height or timestamp. There could be
// several reasons for that. It got a new timestamp from the server,
// it confirmed, or might also be a reorg.
TransactionEx newTex = new TransactionEx(tex.txid, t.height, t.time, tex.binary);
System.out.println("Replacing:\n" + tex.toString() + "\nWith:\n" + newTex.toString());
postEvent(Event.TRANSACTION_HISTORY_CHANGED);
_backing.deleteTransaction(tex.txid);
_backing.putTransaction(newTex);
}
}
return true;
}