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Robinhood Chain · arb

arb_getL1Confirmations

Returns L1 confirmations for the batch that includes the given L2 block.

Arbitrum Nitro method exposed on Robinhood Chain. Reports how many L1 blocks have confirmed the batch posting that contains the specified L2 block — useful for tracking settlement status on Ethereum.

Parameters

  • blockNum required

    L2 block number as a JSON number (uint64). Hex block tags and hashes are rejected with -32602 on Robinhood Nitro nodes.

    Schema
    {
  "type": "integer",
  "minimum": 0
}

cURL

Endpoint: https://rh-mainnet.eu1.azxa.io/<api-key> — replace <api-key> with your API key from the Azxa app .

Terminal
curl -X POST https://rh-mainnet.eu1.azxa.io/<api-key> \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"arb_getL1Confirmations","params":[12345678]}'

Example request

JSON-RPC
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "arb_getL1Confirmations",
  "params": [
    12345678
  ]
}

Result

Number of L1 confirmations.

Example response
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": 12
}
Schema
{
  "type": "integer"
}