public class TransactionVerificationException
Indicates that some aspect of the transaction named by txId violates the platform rules. The exact type of failure
is expressed using a subclass. TransactionVerificationException is a
exception FlowException and thus when thrown inside
a flow, the details of the failure will be serialised, propagated to the peer and rethrown.
public SecureHash getTxId()
the Merkle root hash
(identifier) of the transaction that failed verification.