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eth_newFilter - Boba Ethereum


Summary

Creates a filter object based on the given filter options, to notify when the state changes (logs). To check if the state has changed, call eth_getFilterChanges. Filters that are not requested by eth_getFilterChanges time out after 24 hours.

Parameters

1. Filter Object

Address Array Address

Contract address (string) or a list of addresses (string[]) from which logs should originate
Example: 0xb59f67a8bff5d8cd03f6ac17265c550ed8f33907

From Block Quantity or Tag

Hex block number, or the tag latest, earliest, pending, finalized or safe
Example: latest

To Block Quantity or Tag

Hex block number, or the tag latest, earliest, pending, finalized or safe
Example: latest

Topics DATA[]

Array of 32 Bytes DATA topics. Topics are order-dependent. Each topic can also be an array of DATA with "or" options
Example: {topics: ["0x241ea03ca20251805084d27d4440371c34a0b85ff108f6bb5611248f73818b80"]}

Code Examples

Boba EthereumBoba Ethereum
Concrete TestnetConcrete Testnet