com.scalar.dl.ledger.validation

Class PrevHashValidator

java.lang.Object

com.scalar.dl.ledger.validation.PrevHashValidator

All Implemented Interfaces:

LedgerValidator

@NotThreadSafe
public class PrevHashValidator
extends java.lang.Object
implements LedgerValidator

A validator to determine whether prevHash of the current asset is equal to hash of the previous asset (same asset id but with age - 1)

Constructor Summary

Constructors

Constructor and Description
PrevHashValidator()

Method Summary

Modifier and Type	Method and Description
void	initialize()
void	initialize(byte[] prevHash)
com.scalar.dl.ledger.service.StatusCode	validate(Ledger<?> ledger, ContractMachine contract, com.scalar.dl.ledger.statemachine.InternalAsset record)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.scalar.dl.ledger.validation.LedgerValidator

logError

Constructor Detail

PrevHashValidator

public PrevHashValidator()

Method Detail

initialize

public void initialize()

Specified by:

initialize in interface LedgerValidator

initialize

public void initialize(byte[] prevHash)

validate

public com.scalar.dl.ledger.service.StatusCode validate(Ledger<?> ledger,
                                                        ContractMachine contract,
                                                        com.scalar.dl.ledger.statemachine.InternalAsset record)

Specified by:

validate in interface LedgerValidator