{
    "Function": "burn",
    "File": "contracts/tokens/USDV.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol",
        "node_modules/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol",
        "node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/shared/ProtocolConstants.sol",
        "contracts/interfaces/tokens/IUSDV.sol"
    ],
    "High-Level Calls": [
        "ILiquidityBasedTWAP",
        "IERC20Extended",
        "IERC20Extended"
    ],
    "Internal Calls": [
        "owner",
        "_createLock",
        "_burn",
        "onlyWhenNotLocked"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function burn(uint256 uAmount)\r\n        external\r\n        onlyWhenNotLocked\r\n        returns (uint256 vAmount)\r\n    {\r\n        uint256 uPrice = lbt.getUSDVPrice();\r\n\r\n        _burn(msg.sender, uAmount);\r\n\r\n        vAmount = (uPrice * uAmount) / 1e18;\r\n\r\n        if (exchangeFee != 0) {\r\n            uint256 fee = (vAmount * exchangeFee) / _MAX_BASIS_POINTS;\r\n            vAmount = vAmount - fee;\r\n            vader.mint(owner(), fee);\r\n        }\r\n\r\n        vader.mint(address(this), vAmount);\r\n\r\n        _createLock(LockTypes.VADER, vAmount);\r\n    }"
}