[
    {
        "inputs": [
            { "internalType": "address", "name": "_weth", "type": "address" }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "constructor"
    },
    {
        "anonymous": true,
        "inputs": [
            {
                "indexed": true,
                "internalType": "bytes4",
                "name": "sig",
                "type": "bytes4"
            },
            {
                "indexed": true,
                "internalType": "address",
                "name": "caller",
                "type": "address"
            },
            {
                "indexed": false,
                "internalType": "bytes",
                "name": "data",
                "type": "bytes"
            }
        ],
        "name": "LOG_CALL",
        "type": "event"
    },
    { "payable": true, "stateMutability": "payable", "type": "fallback" },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenOut", "type": "address" },
            {
                "internalType": "uint256",
                "name": "minTotalAmountOut",
                "type": "uint256"
            }
        ],
        "name": "batchEthInSwapExactIn",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountOut", "type": "uint256" }
        ],
        "payable": true,
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenOut", "type": "address" }
        ],
        "name": "batchEthInSwapExactOut",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountIn", "type": "uint256" }
        ],
        "payable": true,
        "stateMutability": "payable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenIn", "type": "address" },
            { "internalType": "uint256", "name": "totalAmountIn", "type": "uint256" },
            {
                "internalType": "uint256",
                "name": "minTotalAmountOut",
                "type": "uint256"
            }
        ],
        "name": "batchEthOutSwapExactIn",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountOut", "type": "uint256" }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenIn", "type": "address" },
            {
                "internalType": "uint256",
                "name": "maxTotalAmountIn",
                "type": "uint256"
            }
        ],
        "name": "batchEthOutSwapExactOut",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountIn", "type": "uint256" }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenIn", "type": "address" },
            { "internalType": "address", "name": "tokenOut", "type": "address" },
            { "internalType": "uint256", "name": "totalAmountIn", "type": "uint256" },
            {
                "internalType": "uint256",
                "name": "minTotalAmountOut",
                "type": "uint256"
            }
        ],
        "name": "batchSwapExactIn",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountOut", "type": "uint256" }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "components": [
                    { "internalType": "address", "name": "pool", "type": "address" },
                    {
                        "internalType": "uint256",
                        "name": "tokenInParam",
                        "type": "uint256"
                    },
                    {
                        "internalType": "uint256",
                        "name": "tokenOutParam",
                        "type": "uint256"
                    },
                    { "internalType": "uint256", "name": "maxPrice", "type": "uint256" }
                ],
                "internalType": "struct ExchangeProxy.Swap[]",
                "name": "swaps",
                "type": "tuple[]"
            },
            { "internalType": "address", "name": "tokenIn", "type": "address" },
            { "internalType": "address", "name": "tokenOut", "type": "address" },
            {
                "internalType": "uint256",
                "name": "maxTotalAmountIn",
                "type": "uint256"
            }
        ],
        "name": "batchSwapExactOut",
        "outputs": [
            { "internalType": "uint256", "name": "totalAmountIn", "type": "uint256" }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    }
]