eth_newBlockFilter - Optimism

GET https://opt-mainnet.unifra.io/v1/{your-api-key}

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

Parameters

none

---

Returns

QUANTITY - A filter id.

---

Example

Request

cURL

curl https://opt-mainnet.unifra.io/v1/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_newBlockFilter","params":[],"id":0}'

Postman

URL: https://opt-mainnet.unifra.io/v1/your-api-key
RequestType: POST
Body:
{
    "jsonrpc":"2.0",
    "method":"eth_newBlockFilter",
    "params":[],
    "id":73
}

Result

JSON

{
	"jsonrpc": "2.0",
	"id": 0,
	"result": "0x9fb7f13924bb605fd29f3ddd6d193ece"
}