{
    "Function": "performSwap",
    "File": "contracts/operators/Paraswap/ParaswapOperator.sol",
    "Parent Contracts": [
        "contracts/operators/Paraswap/IParaswapOperator.sol"
    ],
    "High-Level Calls": [
        "IERC20",
        "IERC20",
        "IERC20",
        "ExchangeHelpers",
        "IERC20"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "setMaxAllowance"
    ],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function performSwap(\n        IERC20 sellToken,\n        IERC20 buyToken,\n        bytes calldata swapCallData\n    ) external payable override returns (uint256[] memory amounts, address[] memory tokens) {\n        require(sellToken != buyToken, \"PSO: SAME_INPUT_OUTPUT\");\n        amounts = new uint256[](2);\n        tokens = new address[](2);\n        uint256 buyBalanceBeforePurchase = buyToken.balanceOf(address(this));\n        uint256 sellBalanceBeforePurchase = sellToken.balanceOf(address(this));\n\n        ExchangeHelpers.setMaxAllowance(sellToken, tokenTransferProxy);\n        (bool success, ) = augustusSwapper.call(swapCallData);\n        require(success, \"PSO: SWAP_FAILED\");\n\n        uint256 amountBought = buyToken.balanceOf(address(this)) - buyBalanceBeforePurchase;\n        uint256 amountSold = sellBalanceBeforePurchase - sellToken.balanceOf(address(this));\n        require(amountBought != 0, \"PSO: INVALID_AMOUNT_BOUGHT\");\n        require(amountSold != 0, \"PSO: INVALID_AMOUNT_SOLD\");\n\n        // Output amounts\n        amounts[0] = amountBought;\n        amounts[1] = amountSold;\n        // Output token\n        tokens[0] = address(buyToken);\n        tokens[1] = address(sellToken);\n    }"
}