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 and Description
static java.lang.String	MISSING_REASON

Constructor Summary

Constructors

Constructor and Description
RevertReasonExtractor()

Method Summary

Modifier and Type	Method and 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