Package nxt.peer

Class NetworkMessage.BlocksMessage

java.lang.Object

nxt.peer.NetworkMessage

nxt.peer.NetworkMessage.BlocksMessage

Enclosing class:

NetworkMessage

public static class NetworkMessage.BlocksMessage
extends NetworkMessage

The Blocks message is returned in response to the GetBlock and GetNextBlocks message. The message identifier is obtained from the request message.

• Message identifier (long)
• Block list

Nested Class Summary

Nested classes/interfaces inherited from class nxt.peer.NetworkMessage

NetworkMessage.AddPeersMessage, NetworkMessage.BlockchainStateMessage, NetworkMessage.BlockIdsMessage, NetworkMessage.BlockInventoryMessage, NetworkMessage.BlocksMessage, NetworkMessage.BundlerRateMessage, NetworkMessage.CumulativeDifficultyMessage, NetworkMessage.ErrorMessage, NetworkMessage.GetBlockMessage, NetworkMessage.GetCumulativeDifficultyMessage, NetworkMessage.GetInfoMessage, NetworkMessage.GetMilestoneBlockIdsMessage, NetworkMessage.GetNextBlockIdsMessage, NetworkMessage.GetNextBlocksMessage, NetworkMessage.GetPeersMessage, NetworkMessage.GetTransactionsMessage, NetworkMessage.GetUnconfirmedTransactionsMessage, NetworkMessage.MilestoneBlockIdsMessage, NetworkMessage.TransactionsInventoryMessage, NetworkMessage.TransactionsMessage

Field Summary

Fields inherited from class nxt.peer.NetworkMessage

MAX_ARRAY_LENGTH, MAX_LIST_SIZE, MAX_LIST_SIZE_PRE_2_3_3, messageId

Constructor Summary

Constructors

Constructor	Description
BlocksMessage(long messageId, List<? extends Block> blocks)	Construct a Blocks message
BlocksMessage(long messageId, Block block, byte[] excludedTransactions)	Construct a Blocks message

Method Summary

Modifier and Type	Method	Description
protected NetworkMessage	constructMessage(ByteBuffer bytes)	Construct the message from the message bytes
Block	getBlock(List<Transaction> excludedTransactions)	Get the blocks This method must be used if transactions were excluded in the GetBlock message
int	getBlockCount()	Get the number of blocks
List<Block>	getBlocks()	Get the blocks This method cannot be used if transactions were excluded in the GetBlock message

Methods inherited from class java.lang.Object

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

Constructor Details

BlocksMessage

public BlocksMessage(long messageId,
 List<? extends Block> blocks)

Construct a Blocks message

Parameters:

messageId - Message identifier

blocks - Block list

BlocksMessage

public BlocksMessage(long messageId,
 Block block,
 byte[] excludedTransactions)

Construct a Blocks message

Parameters:

messageId - Message identifier

block - Block

excludedTransactions - transactions to exclude

Method Details

constructMessage

protected NetworkMessage constructMessage(ByteBuffer bytes)
                                   throws BufferOverflowException,
BufferUnderflowException,
nxt.peer.NetworkException

Construct the message from the message bytes

Overrides:

constructMessage in class NetworkMessage

Parameters:

bytes - Message bytes following the message name

Returns:

Message

Throws:

BufferOverflowException - Message buffer is too small

BufferUnderflowException - Message is too short

nxt.peer.NetworkException - Message is not valid

getBlockCount

public int getBlockCount()

Get the number of blocks

Returns:

Number of blocks

getBlocks

public List<Block> getBlocks()
                      throws NxtException.NotValidException

Get the blocks This method cannot be used if transactions were excluded in the GetBlock message

Returns:

Block list

Throws:

NxtException.NotValidException - Block is not valid

getBlock

public Block getBlock(List<Transaction> excludedTransactions)
               throws NxtException.NotValidException

Get the blocks This method must be used if transactions were excluded in the GetBlock message

Parameters:

excludedTransactions - Transactions that were excluded from the blocks

Returns:

Block list

Throws:

NxtException.NotValidException - Block is not valid