Package org.web3j.utils

Class RevertReasonExtractor

java.lang.Object

org.web3j.utils.RevertReasonExtractor

public class RevertReasonExtractor
extends java.lang.Object

Revert reason extraction and retrieval functions.

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	MISSING_REASON

Constructor Summary

Constructors

Constructor	Description
RevertReasonExtractor()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	extractRevertReason(TransactionReceipt transactionReceipt, java.lang.String data, Web3j web3j, java.lang.Boolean revertReasonCallEnabled)	Extracts the error reason of a reverted transaction (if one exists and enabled).
static java.lang.String	retrieveRevertReason(TransactionReceipt transactionReceipt, java.lang.String data, Web3j web3j)	Retrieves the error reason of a reverted transaction (if one exists).

Methods inherited from class java.lang.Object

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

Field Detail

MISSING_REASON

public static final java.lang.String MISSING_REASON

See Also:

Constant Field Values

Constructor Detail

RevertReasonExtractor

public RevertReasonExtractor()

Method Detail

extractRevertReason

public static java.lang.String extractRevertReason(TransactionReceipt transactionReceipt,
                                                   java.lang.String data,
                                                   Web3j web3j,
                                                   java.lang.Boolean revertReasonCallEnabled)
                                            throws java.io.IOException

Extracts the error reason of a reverted transaction (if one exists and enabled).

Parameters:

transactionReceipt - the reverted transaction receipt

data - the reverted transaction data

web3j - Web3j instance

revertReasonCallEnabled - flag of reason retrieval via additional call

Returns:

the reverted transaction error reason if exists or null otherwise

Throws:

java.io.IOException - if the call to the node fails

retrieveRevertReason

public static java.lang.String retrieveRevertReason(TransactionReceipt transactionReceipt,
                                                    java.lang.String data,
                                                    Web3j web3j)
                                             throws java.io.IOException

Retrieves the error reason of a reverted transaction (if one exists).

Parameters:

transactionReceipt - the reverted transaction receipt

data - the reverted transaction data

web3j - Web3j instance

Returns:

the reverted transaction error reason if exists or null otherwise

Throws:

java.io.IOException - if the call to the node fails