[
  {
    "type": "function",
    "name": "getBlockNumber",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getBlockhash",
    "inputs": [
      {
        "name": "blockNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getCurrentTxL1GasFees",
    "inputs": [
      {
        "name": "txCallData",
        "type": "string",
        "internalType": "string"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getL1CalldataGasCost",
    "inputs": [
      {
        "name": "calldataSize",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  }
]