[
  {
    "inputs": [
      {
        "internalType": "uint32",
        "name": "fromChain",
        "type": "uint32"
      },
      {
        "internalType": "bytes",
        "name": "payload",
        "type": "bytes"
      }
    ],
    "name": "bridgeIn",
    "outputs": [
      {
        "internalType": "bytes4",
        "name": "",
        "type": "bytes4"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint32",
        "name": "toChain",
        "type": "uint32"
      },
      {
        "internalType": "address",
        "name": "sender",
        "type": "address"
      },
      {
        "internalType": "bytes",
        "name": "payload",
        "type": "bytes"
      }
    ],
    "name": "bridgeOut",
    "outputs": [
      {
        "internalType": "bytes4",
        "name": "selector",
        "type": "bytes4"
      },
      {
        "internalType": "bytes",
        "name": "data",
        "type": "bytes"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]