[
    {
        "constant": false,
        "inputs": [
            {
                "name": "mintAmount",
                "type": "uint256"
            }
        ],
        "name": "mint",
        "outputs": [],
        "payable": true,
        "stateMutability": "payable",
        "type": "function",
        "signature": "0x1249c58b"
    },
    {
        "constant": false,
        "inputs": [],
        "name": "deposit",
        "outputs": [],
        "payable": true,
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "internalType": "uint256",
                "name": "_amount",
                "type": "uint256"
            }
        ],
        "name": "redeem",
        "outputs": [],
        "payable": true,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "approve",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "name": "wad",
                "type": "uint256"
            }
        ],
        "name": "withdraw",
        "outputs": [],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "internalType": "address",
                "name": "_owner",
                "type": "address"
            },
            {
                "internalType": "address",
                "name": "_spender",
                "type": "address"
            }
        ],
        "name": "allowance",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "allowance_",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    }
]