[
    {
        "inputs": [],
        "stateMutability": "nonpayable",
        "type": "constructor"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "internalType": "address",
                "name": "previousOwner",
                "type": "address"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "newOwner",
                "type": "address"
            }
        ],
        "name": "OwnershipTransferred",
        "type": "event"
    },
    {
        "inputs": [],
        "name": "owner",
        "outputs": [
            {
                "internalType": "address",
                "name": "",
                "type": "address"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "string",
                "name": "name",
                "type": "string"
            },
            {
                "internalType": "uint256",
                "name": "expires",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "duration",
                "type": "uint256"
            }
        ],
        "name": "premium",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "string",
                "name": "name",
                "type": "string"
            },
            {
                "internalType": "uint256",
                "name": "expires",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "duration",
                "type": "uint256"
            }
        ],
        "name": "price",
        "outputs": [
            {
                "components": [
                    {
                        "internalType": "uint256",
                        "name": "base",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "premium",
                        "type": "uint256"
                    }
                ],
                "internalType": "struct IPriceOracle.Price",
                "name": "",
                "type": "tuple"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "price1Letter",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "price2Letter",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "price3Letter",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "price4Letter",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "price5Letter",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "renounceOwnership",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "uint256",
                "name": "price1",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "price2",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "price3",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "price4",
                "type": "uint256"
            },
            {
                "internalType": "uint256",
                "name": "price5",
                "type": "uint256"
            }
        ],
        "name": "setBasePrices",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "bytes4",
                "name": "interfaceID",
                "type": "bytes4"
            }
        ],
        "name": "supportsInterface",
        "outputs": [
            {
                "internalType": "bool",
                "name": "",
                "type": "bool"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "newOwner",
                "type": "address"
            }
        ],
        "name": "transferOwnership",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    }
]