{
    "Function": "verifyPrice",
    "File": "contracts/utils/TradingLibrary.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "IPrice",
        "ECDSA",
        "ECDSA",
        "IPrice"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "keccak256(bytes)",
        "abi.encode()",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "toEthSignedMessageHash",
        "recover"
    ],
    "Low-Level Calls": [],
    "Code": "function verifyPrice(\n        uint256 _validSignatureTimer,\n        uint256 _asset,\n        bool _chainlinkEnabled,\n        address _chainlinkFeed,\n        PriceData calldata _priceData,\n        bytes calldata _signature,\n        mapping(address => bool) storage _isNode\n    )\n        external view\n    {\n        address _provider = (\n            keccak256(abi.encode(_priceData))\n        ).toEthSignedMessageHash().recover(_signature);\n        require(_provider == _priceData.provider, \"BadSig\");\n        require(_isNode[_provider], \"!Node\");\n        require(_asset == _priceData.asset, \"!Asset\");\n        require(!_priceData.isClosed, \"Closed\");\n        require(block.timestamp >= _priceData.timestamp, \"FutSig\");\n        require(block.timestamp <= _priceData.timestamp + _validSignatureTimer, \"ExpSig\");\n        require(_priceData.price > 0, \"NoPrice\");\n        if (_chainlinkEnabled && _chainlinkFeed != address(0)) {\n            int256 assetChainlinkPriceInt = IPrice(_chainlinkFeed).latestAnswer();\n            if (assetChainlinkPriceInt != 0) {\n                uint256 assetChainlinkPrice = uint256(assetChainlinkPriceInt) * 10**(18 - IPrice(_chainlinkFeed).decimals());\n                require(\n                    _priceData.price < assetChainlinkPrice+assetChainlinkPrice*2/100 &&\n                    _priceData.price > assetChainlinkPrice-assetChainlinkPrice*2/100, \"!chainlinkPrice\"\n                );\n            }\n        }\n    }"
}