{
    "Function": "burn",
    "File": "src/token/ERC20.sol",
    "Parent Contracts": [
        "src/util/Context.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "_msgSender",
        "require(bool,string)",
        "_msgSender",
        "auth",
        "require(bool,string)",
        "_msgSender"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function burn(address from, uint256 value) external auth {\n        uint256 balance = balanceOf[from];\n        require(balance >= value, \"ERC20/insufficient-balance\");\n\n        if (from != _msgSender()) {\n            uint256 allowed = allowance[from][_msgSender()];\n            if (allowed != type(uint256).max) {\n                require(allowed >= value, \"ERC20/insufficient-allowance\");\n\n                unchecked {\n                    allowance[from][_msgSender()] = allowed - value;\n                }\n            }\n        }\n\n        unchecked {\n            balanceOf[from] = balance - value; // note: we don't need overflow checks b/c require(balance >= value) and balance <= totalSupply\n            totalSupply = totalSupply - value;\n        }\n\n        emit Transfer(from, address(0), value);\n    }"
}