GetDataMessage (bitcoinj-core 0.17-alpha2 API)

java.lang.Object
- org.bitcoinj.core.BaseMessage
- - org.bitcoinj.core.ListMessage
  - - org.bitcoinj.core.GetDataMessage

All Implemented Interfaces:

Message
```
public class GetDataMessage
extends ListMessage
```
Represents the "getdata" P2P network message, which requests the contents of blocks or transactions given their hashes.

Instances of this class are not safe for use by multiple threads.

Field Summary
- Fields inherited from class org.bitcoinj.core.ListMessage
  items, MAX_INVENTORY_ITEMS
- Fields inherited from interface org.bitcoinj.core.Message
  MAX_SIZE

Constructor Summary

Constructors
Constructor Description

GetDataMessage()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addBlock(Sha256Hash hash, boolean includeWitness)`
`void`	`addFilteredBlock(Sha256Hash hash)`
`void`	`addTransaction(Sha256Hash hash, boolean includeWitness)`
`Sha256Hash`	`getHashOf(int i)`
`static GetDataMessage`	`read(java.nio.ByteBuffer payload)`	Deserialize this message from a given payload.

Methods inherited from class org.bitcoinj.core.ListMessage
addItem, bitcoinSerializeToStream, equals, getItems, hashCode, readItems, removeItem, toString

Methods inherited from class org.bitcoinj.core.BaseMessage
messageSize, serialize

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.bitcoinj.core.Message
bitcoinSerialize, getMessageSize, unsafeBitcoinSerialize

Constructor Detail
- GetDataMessage
```
public GetDataMessage()
```

Method Detail

read
```
public static GetDataMessage read(java.nio.ByteBuffer payload)
                           throws java.nio.BufferUnderflowException,
                                  ProtocolException
```
Deserialize this message from a given payload.

Parameters:

payload - payload to deserialize from

Returns:

read message

Throws:

java.nio.BufferUnderflowException - if the read message extends beyond the remaining bytes of the payload

ProtocolException

addTransaction

public void addTransaction(Sha256Hash hash,
                           boolean includeWitness)

addBlock

public void addBlock(Sha256Hash hash,
                     boolean includeWitness)

addFilteredBlock

public void addFilteredBlock(Sha256Hash hash)

getHashOf

public Sha256Hash getHashOf(int i)