[ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "messageId", "type": "bytes32" }, { "indexed": true, "internalType": "uint32", "name": "destinationDomain", "type": "uint32" }, { "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" } ]