{
    "Function": "_addVaderPair",
    "File": "contracts/lbt/LiquidityBasedTWAP.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/interfaces/lbt/ILiquidityBasedTWAP.sol"
    ],
    "High-Level Calls": [
        "IUniswapV2Pair",
        "IUniswapV2Pair",
        "IERC20Metadata",
        "IUniswapV2Pair",
        "IUniswapV2Pair",
        "IAggregatorV3",
        "IUniswapV2Pair",
        "IUniswapV2Pair",
        "IUniswapV2Pair",
        "IUniswapV2Pair"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "getChainlinkPrice"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _addVaderPair(\n        IUniswapV2Pair pair,\n        IAggregatorV3 oracle,\n        uint256 updatePeriod\n    ) internal {\n        require(\n            updatePeriod != 0,\n            \"LBTWAP::addVaderPair: Incorrect Update Period\"\n        );\n\n        require(oracle.decimals() == 8, \"LBTWAP::addVaderPair: Non-USD Oracle\");\n\n        ExchangePair storage pairData = twapData[address(pair)];\n\n        bool isFirst = pair.token0() == vader;\n\n        (address nativeAsset, address foreignAsset) = isFirst\n            ? (pair.token0(), pair.token1())\n            : (pair.token1(), pair.token0());\n\n        oracles[foreignAsset] = oracle;\n\n        require(nativeAsset == vader, \"LBTWAP::addVaderPair: Unsupported Pair\");\n\n        pairData.foreignAsset = foreignAsset;\n        pairData.foreignUnit = uint96(\n            10**uint256(IERC20Metadata(foreignAsset).decimals())\n        );\n\n        pairData.updatePeriod = updatePeriod;\n        pairData.lastMeasurement = block.timestamp;\n\n        pairData.nativeTokenPriceCumulative = isFirst\n            ? pair.price0CumulativeLast()\n            : pair.price1CumulativeLast();\n\n        (uint256 reserve0, uint256 reserve1, ) = pair.getReserves();\n\n        (uint256 reserveNative, uint256 reserveForeign) = isFirst\n            ? (reserve0, reserve1)\n            : (reserve1, reserve0);\n\n        uint256 pairLiquidityEvaluation = (reserveNative *\n            previousPrices[uint256(Paths.VADER)]) +\n            (reserveForeign * getChainlinkPrice(foreignAsset));\n\n        pairData.pastLiquidityEvaluation = pairLiquidityEvaluation;\n\n        totalLiquidityWeight[uint256(Paths.VADER)] += pairLiquidityEvaluation;\n\n        vaderPairs.push(pair);\n\n        if (maxUpdateWindow < updatePeriod) maxUpdateWindow = updatePeriod;\n    }"
}