eth_getFilterChanges - Optimism

Example code for the eth_getFilterChanges json-rpc method. Сomplete guide on how to use eth_getFilterChanges json-rpc in GetBlock.io Web3 documentation.

Parameters

QUANTITY - string

The filter id.

Request

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \ 
--data-raw '{"jsonrpc": "2.0",
"method": "eth_getFilterChanges",
"params": ["0x16"],
"id": "getblock.io"}'

Response

{
    "error": {
        "code": -32000,
        "message": "filter not found"
    },
    "id": "getblock.io",
    "jsonrpc": "2.0"
}