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​
Parameters

​
chainId
string
default:"8453"
required
Unique identifier for a blockchain network.
​
id
number
default:1
required
Request identifier used to match responses.
​
jsonrpc
string
default:"2.0"
required
JSON-RPC version.
​
method
string
default:"optimism_rollupConfig"
required
JSON-RPC method name.
This method does not require any parameters.

​
Returns

​
result
object
The rollup configuration.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=8453 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "optimism_rollupConfig",
    "params": []
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "genesis": {
      "l1": {
        "hash": "0x48f520cf4ddaf34c8336e6e490632ea3cf1e5e93b0b2bc6e917557e31845371b",
        "number": 4071408
      },
      "l2": {
        "hash": "0x102de6ffb001480cc9b8b548fd05c34cd4f46ae4aa91759393db90ea0409887d",
        "number": 0
      },
      "l2_time": 1691802540,
      "system_config": {
        "batcherAddr": "0x8f23bb38f531600e5d8fddaaec41f13fab46e98c",
        "overhead": "0x00000000000000000000000000000000000000000000000000000000000000bc",
        "scalar": "0x00000000000000000000000000000000000000000000000000000000000a6fe0",
        "gasLimit": 30000000
      }
    },
    "block_time": 2,
    "max_sequencer_drift": 600,
    "seq_window_size": 3600,
    "channel_timeout": 300,
    "l1_chain_id": 11155111,
    "l2_chain_id": 11155420,
    "regolith_time": 0,
    "__truncated": true
  }
}