Creates a filter object, based on filter options, to notify when thestate changes (logs). To check if the state has changed, calleth_getFilterChanges.A note on specifying topic filtersTopics are order-dependent. A transaction with a log with topics \[A,B\] will be matched by the following topic filters\[\] “anything”\[A\] “A in first position (and anything after)”\[null, B\] “anything in first position AND B in second position (andanything after)”\[A, B\] “A in first position AND B in second position (and anythingafter)”\[\[A, B\], \[A, B\]\] “(A OR B) in first position AND (A OR B) insecond position (and anything after)”

Parameters

Object - object

Filter options

Request

curl --location --request POST 'https://optimism.getblock.io/mainnet/' 
--header 'x-api-key: YOUR-API-KEY' 
--header 'Content-Type: application/json' 
--data-raw '{"jsonrpc": "2.0",
"method": "eth_newFilter",
"params": [{"fromBlock": "earliest", "toBlock": "latest", "topics": []}],
"id": "getblock.io"}'

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0xb2606b603984895b191e20dc8e1f8cf4"
}

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{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }

Method eth_newFilter undefined () connect with JSON-RPC protocol

Parameters

Request

Response

Method eth_newFilter undefined ()
connect with JSON-RPC protocol