public static void processPendingTransactions()
{
// TODO TODO improve to include failed transactions
ulong last_block_height = IxianHandler.getLastBlockHeight();
lock (PendingTransactions.pendingTransactions)
{
long cur_time = Clock.getTimestamp();
List <PendingTransaction> tmp_pending_transactions = new List <PendingTransaction>(PendingTransactions.pendingTransactions);
int idx = 0;
foreach (var entry in tmp_pending_transactions)
{
Transaction t = entry.transaction;
long tx_time = entry.addedTimestamp;
if (t.applied != 0)
{
PendingTransactions.pendingTransactions.RemoveAll(x => x.transaction.id.SequenceEqual(t.id));
continue;
}
// if transaction expired, remove it from pending transactions
if (last_block_height > ConsensusConfig.getRedactedWindowSize() && t.blockHeight < last_block_height - ConsensusConfig.getRedactedWindowSize())
{
ActivityStorage.updateStatus(t.id, ActivityStatus.Error, 0);
PendingTransactions.pendingTransactions.RemoveAll(x => x.transaction.id.SequenceEqual(t.id));
continue;
}
if (cur_time - tx_time > 40) // if the transaction is pending for over 40 seconds, resend
{
CoreProtocolMessage.broadcastProtocolMessage(new char[] { 'M', 'H' }, ProtocolMessageCode.transactionData, t.getBytes(), null);
entry.addedTimestamp = cur_time;
entry.confirmedNodeList.Clear();
}
if (entry.confirmedNodeList.Count() >= 3) // if we get transaction from 3 nodes, we can consider it as confirmed
{
if (entry.messageId != null)
{
StreamProcessor.confirmMessage(entry.messageId);
}
continue;
}
if (cur_time - tx_time > 20) // if the transaction is pending for over 20 seconds, send inquiry
{
CoreProtocolMessage.broadcastGetTransaction(t.id, 0, null, false);
}
idx++;
}
}
}
public override void receivedTransactionInclusionVerificationResponse(byte[] txid, bool verified)
{
// TODO implement error
// TODO implement blocknum
ActivityStatus status = ActivityStatus.Pending;
if (verified)
{
status = ActivityStatus.Final;
PendingTransactions.remove(txid);
}
ActivityStorage.updateStatus(txid, status, 0);
}
public override void receivedTransactionInclusionVerificationResponse(byte[] txid, bool verified)
{
// TODO implement error
// TODO implement blocknum
ActivityStatus status = ActivityStatus.Pending;
if (verified)
{
status = ActivityStatus.Final;
PendingTransaction p_tx = PendingTransactions.getPendingTransaction(txid);
if (p_tx != null)
{
if (p_tx.messageId != null)
{
StreamProcessor.confirmMessage(p_tx.messageId);
}
PendingTransactions.remove(txid);
}
}
ActivityStorage.updateStatus(txid, status, 0);
}