{
    "Function": "fillZrxQuote",
    "File": "contracts/swap/Swap.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/security/ReentrancyGuard.sol",
        "contracts/governance/EmergencyPausable.sol",
        "node_modules/@openzeppelin/contracts/security/Pausable.sol",
        "contracts/governance/EmergencyGovernable.sol",
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "IERC20",
        "Math",
        "Math",
        "IERC20"
    ],
    "Internal Calls": [
        "signifiesETHOrZero",
        "balance(address)",
        "signifiesETHOrZero",
        "balance(address)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "subOrZero",
        "subOrZero"
    ],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function fillZrxQuote(\n        IERC20 zrxBuyTokenAddress,\n        address payable zrxTo,\n        bytes calldata zrxData,\n        uint256 ethAmount\n    ) internal returns (uint256, uint256) {\n        uint256 originalERC20Balance = 0;\n        if(!signifiesETHOrZero(address(zrxBuyTokenAddress))) {\n            originalERC20Balance = zrxBuyTokenAddress.balanceOf(address(this));\n        }\n        uint256 originalETHBalance = address(this).balance;\n\n        (bool success,) = zrxTo.call{value: ethAmount}(zrxData);\n        require(success, \"Swap::fillZrxQuote: Failed to fill quote\");\n\n        uint256 ethDelta = address(this).balance.subOrZero(originalETHBalance);\n        uint256 erc20Delta;\n        if(!signifiesETHOrZero(address(zrxBuyTokenAddress))) {\n            erc20Delta = zrxBuyTokenAddress.balanceOf(address(this)).subOrZero(originalERC20Balance);\n            require(erc20Delta > 0, \"Swap::fillZrxQuote: Didn't receive bought token\");\n        } else {\n            require(ethDelta > 0, \"Swap::fillZrxQuote: Didn't receive bought ETH\");\n        }\n\n        return (erc20Delta, ethDelta);\n    }"
}