{
    "Function": "swap",
    "File": "contracts/adapters/exchanges/SynthetixAdapter.sol",
    "Parent Contracts": [
        "contracts/adapters/BaseAdapter.sol",
        "contracts/interfaces/IBaseAdapter.sol"
    ],
    "High-Level Calls": [
        "ISynthetix",
        "ISynthetix"
    ],
    "Internal Calls": [
        "_resolveSynthetix",
        "require(bool,string)",
        "_resolveTokens",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function swap(\n        uint256 amount,\n        uint256 expected,\n        address tokenIn,\n        address tokenOut,\n        address from,\n        address to\n    ) public override {\n        require(tokenIn != tokenOut, \"Tokens cannot match\");\n        require(from == to, \"Synth exchanges must return to same address\");\n\n        ISynthetix synthetix = _resolveSynthetix();\n        (bytes32 nameIn, bytes32 nameOut) = _resolveTokens(synthetix, tokenIn, tokenOut);\n        uint256 received;\n        if (from != address(this)) {\n            received = synthetix.exchangeOnBehalf(from, nameIn, amount, nameOut);\n        } else {\n            received = synthetix.exchange(nameIn, amount, nameOut);\n        }\n        require(received >= expected, \"Insufficient tokenOut amount\");\n    }"
}