object
— the filter parameters:
fromBlock
— (optional, default: latest
) integer that specifies the starting block number from which the logs should be fetched.toBlock
— (optional, default: latest
) integer that specifies the ending block number until which the logs should be fetched.address
— (optional) the contract address from which the logs should be fetched. It can be a single address or an array of addresses.topics
— (optional) an array of DATA
topics. The event topics for which the logs should be fetched. It can be a single topic or an array of topics.blockhash
— (optional) the hash of the specific block. Limits logs to a specific block with a 32-byte hash value. It takes precedence over fromBlock
and toBlock
.latest
— the most recent block in the blockchain and the current state of the blockchain at the most recent blockearliest
— the earliest available or genesis blockpending
— the pending state and transactions block. The current state of transactions that have been broadcast to the network but have not yet been included in a block.result
— a hexadecimal string representing the ID of the newly created filtereth_newFilter
code examplesweb3.eth.filter
methods have been deprecated and replaced with the web3.eth.subscribe
in web3.js. See web3.js subscriptions.eth_newFilter
to create a filter for a specific action on a smart contract, for example, to monitor the transfer transactions from the Wrapped ETH token.
The idea is to create a filter using the eth_newFilter
method to monitor an ERC-20 smart contract, WETH in this case.The filter ID.
The response is of type object
.