[
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "bytes32",
        "name": "messageId",
        "type": "bytes32"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "gasAmount",
        "type": "uint256"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "payment",
        "type": "uint256"
      }
    ],
    "name": "GasPayment",
    "type": "event"
  },
  {
    "inputs": [
      {
        "internalType": "bytes32",
        "name": "_messageId",
        "type": "bytes32"
      },
      {
        "internalType": "uint32",
        "name": "_destinationDomain",
        "type": "uint32"
      },
      {
        "internalType": "uint256",
        "name": "_gasAmount",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "_refundAddress",
        "type": "address"
      }
    ],
    "name": "payForGas",
    "outputs": [],
    "stateMutability": "payable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint32",
        "name": "_destinationDomain",
        "type": "uint32"
      },
      {
        "internalType": "uint256",
        "name": "_gasAmount",
        "type": "uint256"
      }
    ],
    "name": "quoteGasPayment",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  }
]