com.beowulfchain.beowulfj.chain

Class SignedTransaction

java.lang.Object

com.beowulfchain.beowulfj.base.models.Transaction

com.beowulfchain.beowulfj.chain.SignedTransaction

All Implemented Interfaces:

ByteTransformable, Serializable

Direct Known Subclasses:

CompletedTransaction

public class SignedTransaction
extends Transaction
implements ByteTransformable, Serializable

this class present signed transaction, waiting for pushing to network

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected List<String>	signatures

Fields inherited from class com.beowulfchain.beowulfj.base.models.Transaction

createdTime, expirationDate, extensions, operations, refBlockNum, refBlockPrefix

Constructor Summary

Constructors

Constructor and Description
SignedTransaction(BlockId blockId, List<Operation> operations, List<FutureExtensions> extensions) Like SignedTransaction(BlockId, List, List), but allows you to provide a BlockId object as the reference block and will also set the expirationDate to the latest possible time.
SignedTransaction(org.joou.UShort refBlockNum, org.joou.UInteger refBlockPrefix, TimePointSec expirationDate, List<Operation> operations, List<FutureExtensions> extensions, Long createdTime) Create a new signed transaction object.

Method Summary

Modifier and Type	Method and Description
TransactionId	generateTransactionId()
protected List<eu.bittrade.crypto.core.ECKey>	getRequiredSignatureKeys()
List<String>	getSignatures() Get the signatures for this transaction.
void	sign() Like sign(String), but uses the default chain id.
void	sign(String chainId) Use this method if you want to specify a different chainId than the default one.
byte[]	toByteArray() This method creates a byte array based on a transaction object under the use of a guide written by Xeroc.
protected byte[]	toByteArray(String chainId) Like toByteArray(), but allows to define a Beowulf chain id.
String	toString()

Methods inherited from class com.beowulfchain.beowulfj.base.models.Transaction

getCreatedTime, getExpirationDate, getExtensions, getOperations, getRefBlockNum, getRefBlockPrefix, getRequiredAuthorities, setCreatedTime, setExpirationDate, setExtensions, setOperations, setRefBlockNum, setRefBlockPrefix, setRefBlockPrefix, validate

Methods inherited from class java.lang.Object

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

Field Detail

signatures

protected transient List<String> signatures

Constructor Detail

SignedTransaction

public SignedTransaction(org.joou.UShort refBlockNum,
                         org.joou.UInteger refBlockPrefix,
                         TimePointSec expirationDate,
                         List<Operation> operations,
                         List<FutureExtensions> extensions,
                         Long createdTime)

Create a new signed transaction object.

Parameters:

refBlockNum - The reference block number (see Transaction.setRefBlockNum(UShort)).

refBlockPrefix - The reference block index (see Transaction.setRefBlockPrefix(UInteger)).

expirationDate - Define until when the transaction has to be processed (see Transaction.setExpirationDate(TimePointSec)).

operations - A list of operations to process within this Transaction (see Transaction.setOperations(List)).

extensions - Extensions are currently not supported and will be ignored (see Transaction.setExtensions(List)).

createdTime - The timestamp create transaction.

SignedTransaction

public SignedTransaction(BlockId blockId,
                         List<Operation> operations,
                         List<FutureExtensions> extensions)

Like SignedTransaction(BlockId, List, List), but allows you to provide a BlockId object as the reference block and will also set the expirationDate to the latest possible time.

Parameters:

blockId - The block reference (see Transaction.setRefBlockNum(UShort) and Transaction.setRefBlockPrefix(UInteger)).

operations - A list of operations to process within this Transaction (see Transaction.setOperations(List)).

extensions - Extensions are currently not supported and will be ignored (see Transaction.setExtensions(List)).

Method Detail

getSignatures

public List<String> getSignatures()

Get the signatures for this transaction.

Returns:

An array of currently appended signatures.

sign

public void sign()
          throws BeowulfInvalidTransactionException

Like sign(String), but uses the default chain id.

Throws:

BeowulfInvalidTransactionException - If the transaction can not be signed.

sign

public void sign(String chainId)
          throws BeowulfInvalidTransactionException

Use this method if you want to specify a different chainId than the default one. Otherwise use the sign() method.

Parameters:

chainId - The chain id that should be used during signing.

Throws:

BeowulfInvalidTransactionException - If the transaction can not be signed.

getRequiredSignatureKeys

protected List<eu.bittrade.crypto.core.ECKey> getRequiredSignatureKeys()
                                                                throws BeowulfInvalidTransactionException

Returns:

The list of private keys required to sign this transaction.

Throws:

BeowulfInvalidTransactionException - If the required private key is not present in the PrivateKeyStorage.

toByteArray

public byte[] toByteArray()
                   throws BeowulfInvalidTransactionException

This method creates a byte array based on a transaction object under the use of a guide written by Xeroc. This method should only be used internally.

If a chainId is provided it will be added in front of the byte array.

Specified by:

toByteArray in interface ByteTransformable

Returns:

The serialized transaction object.

Throws:

BeowulfInvalidTransactionException - If the transaction can not be signed.

toByteArray

protected byte[] toByteArray(String chainId)
                      throws BeowulfInvalidTransactionException

Like toByteArray(), but allows to define a Beowulf chain id.

Parameters:

chainId - The HEX representation of the chain Id you want to use for this transaction.

Returns:

The serialized transaction object.

Throws:

BeowulfInvalidTransactionException - If the transaction can not be signed.

generateTransactionId

public TransactionId generateTransactionId()
                                    throws BeowulfInvalidTransactionException

Throws:

BeowulfInvalidTransactionException

toString

public String toString()

Overrides:

toString in class Transaction