io.neow3j.devpack.neo

Class Blockchain

java.lang.Object

io.neow3j.devpack.neo.Blockchain

public class Blockchain
extends java.lang.Object

Provides a set of methods for accessing blockchain data.

Constructor Summary

Constructors

Constructor and Description
Blockchain()

Method Summary

Modifier and Type	Method and Description
static Block	getBlock(byte[] hash) Gets the block with the given block hash.
static Block	getBlock(int height) Gets the block at the given block height.
static int	getHeight()
static Transaction	getTransaction(byte[] hash) Gets the transaction with the given transaction hash.
static Transaction	getTransactionFromBlock(byte[] blockHash, int txIndex) Gets the transaction at the given index in the block with the given block hash.
static Transaction	getTransactionFromBlock(int blockHeight, int txIndex) Gets the transaction at the given index in the block with the given height.
static int	getTransactionHeight(byte[] transactionHash) Gets the transaction height of the transaction with the given hash.

Methods inherited from class java.lang.Object

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

Constructor Detail

Blockchain

public Blockchain()

Method Detail

getHeight

public static int getHeight()

getBlock

public static Block getBlock(int height)

Gets the block at the given block height.

Parameters:

height - The block height.

Returns:

the Block.

getBlock

public static Block getBlock(byte[] hash)

Gets the block with the given block hash.

Parameters:

hash - The 32-byte block hash.

Returns:

the Block.

getTransaction

public static Transaction getTransaction(byte[] hash)

Gets the transaction with the given transaction hash.

Parameters:

hash - The 32-byte transaction hash.

Returns:

the Transaction.

getTransactionFromBlock

public static Transaction getTransactionFromBlock(byte[] blockHash,
                                                  int txIndex)

Gets the transaction at the given index in the block with the given block hash.

Parameters:

blockHash - The 32-byte hash of the block to get the transaction from.

txIndex - The index of the transaction in the block.

Returns:

the Transaction.

getTransactionFromBlock

public static Transaction getTransactionFromBlock(int blockHeight,
                                                  int txIndex)

Gets the transaction at the given index in the block with the given height.

Parameters:

blockHeight - The height of the block to get the transaction from.

txIndex - The index of the transaction in the block.

Returns:

the Transaction.

getTransactionHeight

public static int getTransactionHeight(byte[] transactionHash)

Gets the transaction height of the transaction with the given hash. The transaction height is the number of the block in which a transaction is contained.

Parameters:

transactionHash - The hash of the transaction.

Returns:

the transaction's height.