{
    "Function": "burn",
    "File": "src/kuma-protocol/KIBToken.sol",
    "Parent Contracts": [
        "lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol",
        "lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Upgrade.sol",
        "lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/ERC20PermitUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/utils/cryptography/EIP712Upgradeable.sol",
        "src/kuma-protocol/interfaces/IKIBToken.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/IERC20PermitUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/ERC20Upgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/IERC20MetadataUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/IERC20Upgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol"
    ],
    "High-Level Calls": [
        "Roles",
        "KIBToken",
        "Roles",
        "WadRayMath",
        "WadRayMath"
    ],
    "Internal Calls": [
        "onlyRole",
        "_refreshCumulativeYield",
        "onlyRole",
        "revert ERC20_BURN_AMOUNT_EXCEEDS_BALANCE()",
        "revert ERC20_BURN_FROM_THE_ZERO_ADDRESS()",
        "_refreshYield"
    ],
    "Library Calls": [
        "toGranularRole",
        "rayDiv",
        "toGranularRole",
        "wadToRay"
    ],
    "Low-Level Calls": [],
    "Code": "function burn(address account, uint256 amount)\n        external\n        override\n        onlyRole(Roles.KUMA_BURN_ROLE.toGranularRole(_riskCategory))\n    {\n        if (account == address(0)) {\n            revert Errors.ERC20_BURN_FROM_THE_ZERO_ADDRESS();\n        }\n        _refreshCumulativeYield();\n        _refreshYield();\n\n        uint256 startingAccountBalance = this.balanceOf(account);\n        if (startingAccountBalance < amount) {\n            revert Errors.ERC20_BURN_AMOUNT_EXCEEDS_BALANCE();\n        }\n\n        uint256 newAccountBalance = startingAccountBalance - amount;\n        uint256 newBaseBalance = WadRayMath.wadToRay(newAccountBalance).rayDiv(_previousEpochCumulativeYield);\n        if (amount > 0) {\n            _totalBaseSupply -= _baseBalances[account] - newBaseBalance;\n            _baseBalances[account] = newBaseBalance;\n        }\n\n        emit Transfer(account, address(0), amount);\n    }"
}