nxt.peer

Class NetworkMessage.GetNextBlockIdsMessage

java.lang.Object

nxt.peer.NetworkMessage

nxt.peer.NetworkMessage.GetNextBlockIdsMessage

Enclosing class:

NetworkMessage

public static class NetworkMessage.GetNextBlockIdsMessage
extends NetworkMessage

The GetNextBlockIds message is sent when a peer is downloading the blockchain. The BlockIds message is returned in response.

• Message identifier (long)
• Start block identifier (long)
• Maximum number of blocks (integer)

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 and Description
GetNextBlockIdsMessage(long blockId, int limit) Construct a GetNextBlockIds message

Method Summary

Modifier and Type	Method and Description
protected NetworkMessage	constructMessage(java.nio.ByteBuffer bytes) Construct the message from the message bytes
long	getBlockId() Get the start block identifier
int	getLimit() Get the limit

Methods inherited from class java.lang.Object

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

Constructor Detail

GetNextBlockIdsMessage

public GetNextBlockIdsMessage(long blockId,
                              int limit)

Construct a GetNextBlockIds message

Parameters:

blockId - Start block identifier

limit - Maximum number of blocks

Method Detail

constructMessage

protected NetworkMessage constructMessage(java.nio.ByteBuffer bytes)
                                   throws java.nio.BufferOverflowException,
                                          java.nio.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:

java.nio.BufferOverflowException - Message buffer is too small

java.nio.BufferUnderflowException - Message is too short

NetworkException - Message is not valid

getBlockId

public long getBlockId()

Get the start block identifier

Returns:

Start block identifier

getLimit

public int getLimit()

Get the limit

Returns:

Limit