Summary

The _tryExecuteBatch function in the ExecutionHelper contract is intended to handle batch transaction execution with robust error handling. However, there is a critical mistake in its implementation: it incorrectly calls the _tryExecute function instead of handling batch execution correctly. This report outlines the issue, its implications, and recommendations for correction.

Vulnerability Details

The _tryExecuteBatch function is designed to execute a batch of transactions, handling any potential failures individually without reverting the entire batch. However, within its implementation, it calls the _tryExecute function, which is meant for handling single transaction executions with error handling. This diverges from the expected behavior of batch processing.

Impact

1. The function should handle each transaction in the batch, catching and logging errors without affecting other transactions in the batch. Using _tryExecute for single transactions does not align with this requirement.

2. The inconsistency in function behavior can lead to confusion for developers and users, potentially causing misinterpretation of the contract's functionality.

Tools Used

Manual analysis

Recommendations

To correct this mistake, the _tryExecuteBatch function should handle batch operations, iterating through each Execution and handling errors appropriately for each transaction. This involves ensuring that each transaction in the batch is executed and any errors are caught and logged without impacting the rest of the batch.