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.

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Disclaimer

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:

• eth_newFilter | Optimism
• eth_newBlockFilter | Optimism

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

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Parameters

• 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.

Response

• 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• Services that need to clean up filters to prevent processing outdated or irrelevant data.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