{
    "Function": "safeDecreaseAllowance",
    "File": "contracts/libraries/SafeERC20.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "SafeMath",
        "IERC20"
    ],
    "Internal Calls": [
        "_callOptionalReturn",
        "abi.encodeWithSelector()"
    ],
    "Library Calls": [
        "sub"
    ],
    "Low-Level Calls": [],
    "Code": "function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 newAllowance = token.allowance(address(this), spender).sub(value, \"SafeERC20: decreased allowance below zero\");\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }"
}