[
  {
    "inputs": [
      {
        "internalType": "contract IPreimageOracle",
        "name": "_oracle",
        "type": "address"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "constructor"
  },
  {
    "inputs": [],
    "name": "BRK_START",
    "outputs": [
      {
        "internalType": "uint32",
        "name": "",
        "type": "uint32"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "oracle",
    "outputs": [
      {
        "internalType": "contract IPreimageOracle",
        "name": "oracle_",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "bytes",
        "name": "_stateData",
        "type": "bytes"
      },
      {
        "internalType": "bytes",
        "name": "_proof",
        "type": "bytes"
      },
      {
        "internalType": "uint256",
        "name": "_localContext",
        "type": "uint256"
      }
    ],
    "name": "step",
    "outputs": [
      {
        "internalType": "bytes32",
        "name": "",
        "type": "bytes32"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]