{
    "Function": "_addUSDVPair",
    "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": [
        "IAggregatorV3",
        "IVaderPoolV2",
        "IVaderPoolV2",
        "IERC20Metadata"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "getChainlinkPrice",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _addUSDVPair(\n        IERC20 foreignAsset,\n        IAggregatorV3 oracle,\n        uint256 updatePeriod\n    ) internal {\n        require(\n            updatePeriod != 0,\n            \"LBTWAP::addUSDVPair: Incorrect Update Period\"\n        );\n\n        require(oracle.decimals() == 8, \"LBTWAP::addUSDVPair: Non-USD Oracle\");\n\n        oracles[address(foreignAsset)] = oracle;\n\n        ExchangePair storage pairData = twapData[address(foreignAsset)];\n\n        // NOTE: Redundant\n        // pairData.foreignAsset = foreignAsset;\n\n        pairData.foreignUnit = uint96(\n            10**uint256(IERC20Metadata(address(foreignAsset)).decimals())\n        );\n\n        pairData.updatePeriod = updatePeriod;\n        pairData.lastMeasurement = block.timestamp;\n\n        (uint256 nativeTokenPriceCumulative, , ) = vaderPool.cumulativePrices(\n            foreignAsset\n        );\n\n        pairData.nativeTokenPriceCumulative = nativeTokenPriceCumulative;\n\n        (uint256 reserveNative, uint256 reserveForeign, ) = vaderPool\n            .getReserves(foreignAsset);\n\n        uint256 pairLiquidityEvaluation = (reserveNative *\n            previousPrices[uint256(Paths.USDV)]) +\n            (reserveForeign * getChainlinkPrice(address(foreignAsset)));\n\n        pairData.pastLiquidityEvaluation = pairLiquidityEvaluation;\n\n        totalLiquidityWeight[uint256(Paths.USDV)] += pairLiquidityEvaluation;\n\n        usdvPairs.push(foreignAsset);\n\n        if (maxUpdateWindow < updatePeriod) maxUpdateWindow = updatePeriod;\n    }"
}