{
    "Function": "decreaseAllowance",
    "File": "contracts/StrategyToken.sol",
    "Parent Contracts": [
        "contracts/StrategyTokenStorage.sol",
        "contracts/helpers/StrategyTypes.sol",
        "contracts/interfaces/IStrategyToken.sol",
        "contracts/interfaces/IERC20NonStandard.sol"
    ],
    "High-Level Calls": [
        "SafeMath"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "_approve"
    ],
    "Library Calls": [
        "sub"
    ],
    "Low-Level Calls": [],
    "Code": "function decreaseAllowance(address spender, uint256 subtractedValue) external virtual override returns (bool) {\n        uint256 currentAllowance = _allowances[msg.sender][spender];\n        require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n        _approve(msg.sender, spender, currentAllowance.sub(subtractedValue));\n\n        return true;\n    }"
}