ch.epfl.dedis.byzcoin

Class Block

java.lang.Object

ch.epfl.dedis.byzcoin.Block

public class Block
extends Object

OmniBlock represents the data stored in a skipblock that is relevant to ByzCoin. This data is split in two parts: - header, which contains hashes of the current state and which is hashed in the block - body, which contains the actual transactions and which is not directly hashed in the block

Constructor Summary

Constructors

Constructor and Description
Block(Proof p) Constructor for the OmniBlock held in the given Proof.
Block(SkipBlock sb) Instantiates a new OmniBlock given a skipblock.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
Sha256id	getClientTransactionHash()
List<ClientTransaction>	getClientTransactions()
Sha256id	getCollectionRoot()
Sha256id	getStateChangesHash()
java.time.Instant	getTimestamp()
long	getTimestampNano()
List<TxResult>	getTxResults() Accessor for the transactions and results in the block.

Methods inherited from class java.lang.Object

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

Constructor Detail

Block

public Block(SkipBlock sb)
      throws CothorityCryptoException

Instantiates a new OmniBlock given a skipblock.

Parameters:

sb - skipblock holding data for an OmniBLock.

Throws:

CothorityCryptoException

Block

public Block(Proof p)
      throws CothorityCryptoException

Constructor for the OmniBlock held in the given Proof.

Parameters:

p -

Throws:

CothorityCryptoException

Method Detail

getCollectionRoot

public Sha256id getCollectionRoot()
                           throws CothorityCryptoException

Returns:

the root hash of the merkle tree of the global state.

Throws:

CothorityCryptoException

getClientTransactionHash

public Sha256id getClientTransactionHash()
                                  throws CothorityCryptoException

Returns:

the sha256 of all clientTransactions stored in this block.

Throws:

CothorityCryptoException

getStateChangesHash

public Sha256id getStateChangesHash()
                             throws CothorityCryptoException

Returns:

the sha256 hash of all state changes created by the clientTransactions in this block.

Throws:

CothorityCryptoException

getClientTransactions

public List<ClientTransaction> getClientTransactions()

Returns:

a list of ClientTransactions stored in this block.

getTimestampNano

public long getTimestampNano()

Returns:

the unix-timestamp in nanoseconds of the block creation time.

getTimestamp

public java.time.Instant getTimestamp()

Returns:

A java.time.Instant representing the creation of this block.

getTxResults

public List<TxResult> getTxResults()

Accessor for the transactions and results in the block.

Returns:

equals

public boolean equals(Object obj)

Overrides:

equals in class Object