{
    "Function": "withdrawToken",
    "File": "contracts/contracts/Gauge.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "IVoter",
        "IVoter"
    ],
    "Internal Calls": [
        "_safeTransfer",
        "lock",
        "_writeSupplyCheckpoint",
        "_writeCheckpoint",
        "require(bool)",
        "derivedBalance"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function withdrawToken(uint amount, uint tokenId) public lock {\n        totalSupply -= amount;\n        balanceOf[msg.sender] -= amount;\n        _safeTransfer(stake, msg.sender, amount);\n\n        if (tokenId > 0) {\n            require(tokenId == tokenIds[msg.sender]);\n            tokenIds[msg.sender] = 0;\n            IVoter(voter).detachTokenFromGauge(tokenId, msg.sender);\n        } else {\n            tokenId = tokenIds[msg.sender];\n        }\n\n        uint _derivedBalance = derivedBalances[msg.sender];\n        derivedSupply -= _derivedBalance;\n        _derivedBalance = derivedBalance(msg.sender);\n        derivedBalances[msg.sender] = _derivedBalance;\n        derivedSupply += _derivedBalance;\n\n        _writeCheckpoint(msg.sender, derivedBalances[msg.sender]);\n        _writeSupplyCheckpoint();\n\n        IVoter(voter).emitWithdraw(tokenId, msg.sender, amount);\n        emit Withdraw(msg.sender, tokenId, amount);\n    }"
}