Package org.web3j.crypto

Class TransactionUtils

java.lang.Object

org.web3j.crypto.TransactionUtils

public class TransactionUtils
extends Object

Transaction utility functions.

Constructor Summary

Constructors

Constructor	Description
TransactionUtils()

Method Summary

Modifier and Type	Method	Description
static long	deriveChainId(long v)	Utility method to derive chain id from v parameter
static byte[]	generateTransactionHash(RawTransaction rawTransaction, byte chainId, Credentials credentials)	Utility method to provide the transaction hash for a given transaction.
static byte[]	generateTransactionHash(RawTransaction rawTransaction, Credentials credentials)	Utility method to provide the transaction hash for a given transaction.
static String	generateTransactionHashHexEncoded(RawTransaction rawTransaction, byte chainId, Credentials credentials)	Utility method to provide the transaction hash for a given transaction.
static String	generateTransactionHashHexEncoded(RawTransaction rawTransaction, Credentials credentials)	Utility method to provide the transaction hash for a given transaction.

Methods inherited from class java.lang.Object

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

Constructor Details

TransactionUtils

public TransactionUtils()

Method Details

generateTransactionHash

public static byte[] generateTransactionHash(RawTransaction rawTransaction,
 Credentials credentials)

Utility method to provide the transaction hash for a given transaction.

Parameters:

rawTransaction - we wish to send

credentials - of the sender

Returns:

encoded transaction hash

generateTransactionHash

public static byte[] generateTransactionHash(RawTransaction rawTransaction,
 byte chainId,
 Credentials credentials)

Utility method to provide the transaction hash for a given transaction.

Parameters:

rawTransaction - we wish to send

chainId - of the intended chain

credentials - of the sender

Returns:

encoded transaction hash

generateTransactionHashHexEncoded

public static String generateTransactionHashHexEncoded(RawTransaction rawTransaction,
 Credentials credentials)

Utility method to provide the transaction hash for a given transaction.

Parameters:

rawTransaction - we wish to send

credentials - of the sender

Returns:

transaction hash as a hex encoded string

generateTransactionHashHexEncoded

public static String generateTransactionHashHexEncoded(RawTransaction rawTransaction,
 byte chainId,
 Credentials credentials)

Utility method to provide the transaction hash for a given transaction.

Parameters:

rawTransaction - we wish to send

chainId - of the intended chain

credentials - of the sender

Returns:

transaction hash as a hex encoded string

deriveChainId

public static long deriveChainId(long v)

Utility method to derive chain id from v parameter

Parameters:

v - recovery identifier

Returns:

Chain id