public synchronized boolean isSettlementTransaction(Transaction tx) {
        try {
            tx.verify();
            tx.getInput(0).verify(getContractInternal().getOutput(0));
            return true;
        } catch (VerificationException e) {
            return false;
        }
    }
public synchronized boolean isSettlementTransaction ( Transaction tx ) { try { tx . verify ( ) ; tx . getInput ( 0 ) . verify ( getContractInternal ( ) . getOutput ( 0 ) ) ; return true ; } catch ( VerificationException e ) { return false ; } }
Returns true if the tx is a valid settlement transaction.