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Last updated on January 1, 1970

1 min read

Method eth_newBlockFilter undefined ()
connect with WS protocol

eth_newBlockFilter

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Creates a filter in the node, to notify when a new block arrives. Tocheck if the state has changed, call eth_getFilterChanges.

Parameters

-

Request

wscat -c wss://optimism.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_newBlockFilter",
"params": [],
"id": "getblock.io"}

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0x7faebec0dbb0b064921820ebae580d1a"
}
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