Console

POSToptimism_rollupConfig

This method is used to query rollup configuration parameters. The call returns information including various configuration options for the rollup. This information may include values necessary for rollup operation such as genesis block information, batch size, sequencer window size, and channel timeout. This allows developers to understand the current configuration state of the rollup and optimize as needed.

Request Body
idintegerrequired
jsonrpcstringrequired
methodstringrequired
Responses
genesisobject

Rollup genesis configuration

block_timeinteger

L2 block production interval (seconds)

max_sequencer_driftinteger

Maximum allowed sequencer drift (seconds)

seq_window_sizeinteger

Sequencer window size (number of blocks)

channel_timeoutinteger

Channel timeout (number of blocks)

l1_chain_idstring

L1 chain ID (hex)

l2_chain_idstring

L2 chain ID (hex)

batch_inbox_addressstring

L1 batch inbox contract address

deposit_contract_addressstring

L1 deposit contract address

l1_system_config_addressstring

L1 system config contract address

X-API-KEY
RequestCU10
cURL
curl -X POST "https://optimism-mainnet.nodit.io/" \
  -H "X-API-KEY: {YOUR_API_KEY}" \
  -H "Content-Type: application/json" \
  -d '{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "optimism_rollupConfig"
}'
Response
Example · 200
{
  "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,
  "canyon_time": 1699981200,
  "batch_inbox_address": "0xff00000000000000000000000000000011155420",
  "deposit_contract_address": "0x16fc5058f25648194471939df75cf27a2fdc48bc",
  "l1_system_config_address": "0x034edd2a225f7f429a63e0f1d2084b9e0a93b538",
  "protocol_versions_address": "0x79add5713b383daa0a138d3c4780c7a1804a8090"
}

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