eth_uninstallFilter | Optimism

Optimism API method eth_uninstallFilter removes a previously installed filter, stopping further notifications. This method is crucial for managing resources and avoiding unnecessary data processing from filters that are no longer needed.



Note that the default interactive example in this page will not work as the filter will be expired.

To test eth_uninstallFilter in this page, first create a new filter using one of the following:

Then use the fresh filter ID as the parameter for eth_uninstallFilter.


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  • filterId — the ID of the filter to be uninstalled. This ID is returned by filter creation methods such as eth_newBlockFilter, or eth_newFilter. For this example, a random value "0x1a2b3c" is used.


  • result — a boolean indicating the success of the filter removal. true if the filter was successfully uninstalled; otherwise, false.

Use case

The eth_uninstallFilter method is essential for:

  • Applications that dynamically create and remove filters based on user interaction or specific conditions to manage system resources efficiently.
  • Services that need to clean up filters to prevent processing outdated or irrelevant data.
  • Developers who are testing or debugging Optimism filters and need to reset their filter setup.

Try the eth_uninstallFilter RPC method yourself

Click Try It! to start a request and see the response here!