Master of Science thesis Fighting Spam

Debugger.debug(getClass(), 3,
"Pendingmailserial " + ((MailInformation)
pendingMails.elementAt(i)).c.getSerialNumber()
+ " =? " + sn);
if(((MailInformation) pendingMails.elementAt(i)).c.getSerialNumber() == sn)
return true;
}
return false;
}
public void transferCoin(MailInformation m, Certificate cert, RSAPrivateKey key)
throws Exception
{
if(pendingMails.indexOf(m) == -1)
throw new Exception("Could not find " + m);
}
// We can now sign the contents of the list (type 2)
m.c.getTransactionlist().signList(cert, key);
m.c.setType(Coin.A_TYPE);
coinHistory.earnedCoin(m.c);
safe.addCoin(m.c);
pendingMails.remove(m);
saveToFile();
public boolean deleteCoinWithSerial(long serial)
{
return safe.deleteCCoin(serial);
}
public Coin getCoinWithSerial(long serial)
{
return coinHistory.getCoinWithSerial(serial);
}
/**
* Retrieves 'numberOfCoins' coins from the safe.
* @param numberOfCoins int
* @return Coin[]
*/
public Coin[] getCoins(int numberOfCoins) throws Exception
{
if(!isOpen())
throw new Exception("The safe is not open. Cannot retrieve " + numberOfCoins
+ " coins.");
if(numberOfCoins > safe.getNumberOfACoins())
throw new Exception("There is only " + safe.getNumberOfACoins()
+ " coins available in the safe. Could not retrieve " +
numberOfCoins + " coins.");
}
Coin[] c = safe.getACoins(numberOfCoins);
saveToFile();
return c;
public Coin[] getCoinsToSend(int numberOfCoins, Address[] receivers) throws Exception
{
if(!isOpen())
throw new Exception("The safe is not open. Cannot retrieve " + numberOfCoins
+ " coins.");
if(numberOfCoins > safe.getNumberOfACoins())
throw new Exception("There is only " + safe.getNumberOfACoins()
+ " coins available in the safe. Could not retrieve " +
numberOfCoins + " coins.");
Coin[] c = safe.getBCoins(numberOfCoins, receivers);
saveToFile();
return c;
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