eth_newFilter - Arbitrum

Arbitrum API -Creates a filter object, based on filter options, to notify when the state changes (logs).

Parameters

Object - The filter options:

  • fromBlock: QUANTITY|TAG - (optional, default: "latest") Integer block number, or "latest" for the last mined block or "pending", "earliest" for not yet mined transactions.
  • toBlock: QUANTITY|TAG - (optional, default: "latest") Integer block number, or "latest" for the last mined block or "pending", "earliest" for not yet mined transactions.
  • address: DATA|Array, 20 Bytes - (optional) Contract address or a list of addresses from which logs should originate.
  • topics: Array of DATA, - (optional) Array of 32 Bytes DATA topics. Topics are order-dependent. Each topic can also be an array of DATA with “or” options.
params: [
    {
        fromBlock: "0x1",
        toBlock: "0x2",
        address: "0x8888f1f195afa192cfee860698584c030f4c9db1",
        topics: [
            "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            null,
            [
                "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
                "0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc",
            ],
        ],
    },
];

Returns

QUANTITY - A filter id.


Example

Request

curl https://arb-mainnet.unifra.io/v1/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_newFilter","params":[{"fromBlock": "0x1","toBlock": "0x2","address": "0x8888f1f195afa192cfee860698584c030f4c9db1","topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"]]}],"id":0}'
URL: https://arb-mainnet.unifra.io/v1/your-api-key
RequestType: POST
Body:
{
    "jsonrpc":"2.0",
    "method":"eth_newFilter",
    "params":[{"fromBlock": "0x1","toBlock": "0x2","address": "0x8888f1f195afa192cfee860698584c030f4c9db1","topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"]]}],
    "id":0
}

Result

{
    "jsonrpc": "2.0",
    "id": 0,
    "result": "0xdcc9a819f80efa9e1d215a9d41b2d22e"
}

🚧

The below parameter inputs do not work, please reference the section above instead.

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