{
    "Function": "insure",
    "File": "contracts/PoolTemplate.sol",
    "Parent Contracts": [
        "contracts/interfaces/IUniversalMarket.sol",
        "contracts/interfaces/IPoolTemplate.sol",
        "contracts/InsureDAOERC20.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"
    ],
    "High-Level Calls": [
        "IParameters",
        "IParameters",
        "IVault",
        "IParameters"
    ],
    "Internal Calls": [
        "availableBalance",
        "totalLiquidity",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "getPremium"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function insure(\n        uint256 _amount,\n        uint256 _maxCost,\n        uint256 _span,\n        bytes32 _target\n    ) external returns (uint256) {\n        //Distribute premium and fee\n        uint256 _endTime = _span + block.timestamp;\n        uint256 _premium = getPremium(_amount, _span);\n        uint256 _fee = parameters.getFeeRate(msg.sender);\n\n        require(\n            _amount <= availableBalance(),\n            \"ERROR: INSURE_EXCEEDED_AVAILABLE_BALANCE\"\n        );\n        require(_premium <= _maxCost, \"ERROR: INSURE_EXCEEDED_MAX_COST\");\n        require(_span <= 365 days, \"ERROR: INSURE_EXCEEDED_MAX_SPAN\");\n        require(\n            parameters.getMinDate(msg.sender) <= _span,\n            \"ERROR: INSURE_SPAN_BELOW_MIN\"\n        );\n\n        require(\n            marketStatus == MarketStatus.Trading,\n            \"ERROR: INSURE_MARKET_PENDING\"\n        );\n        require(paused == false, \"ERROR: INSURE_MARKET_PAUSED\");\n\n        //current liquidity\n        uint256 _liquidity = totalLiquidity();\n        uint256 _totalCredit = totalCredit;\n\n        //accrue premium/fee\n        uint256[2] memory _newAttribution = vault.addValueBatch(\n            _premium,\n            msg.sender,\n            [address(this), parameters.getOwner()],\n            [MAGIC_SCALE_1E6 - _fee, _fee]\n        );\n\n        //Lock covered amount\n        uint256 _id = allInsuranceCount;\n        lockedAmount += _amount;\n        Insurance memory _insurance = Insurance(\n            _id,\n            block.timestamp,\n            _endTime,\n            _amount,\n            _target,\n            msg.sender,\n            true\n        );\n        insurances[_id] = _insurance;\n        allInsuranceCount += 1;\n\n        //Calculate liquidity for index\n        if (_totalCredit > 0) {\n            uint256 _attributionForIndex = (_newAttribution[0] * _totalCredit) /\n                _liquidity;\n            attributionDebt += _attributionForIndex;\n            rewardPerCredit += ((_attributionForIndex * MAGIC_SCALE_1E6) /\n                _totalCredit);\n        }\n\n        emit Insured(\n            _id,\n            _amount,\n            _target,\n            block.timestamp,\n            _endTime,\n            msg.sender,\n            _premium\n        );\n\n        return _id;\n    }"
}