{
    "Function": "_mint",
    "File": "contracts/dex-v2/pool/BasePoolV2.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/security/ReentrancyGuard.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/ERC721.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/IERC721.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/ERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/dex/utils/GasThrottle.sol",
        "contracts/shared/ProtocolConstants.sol",
        "contracts/interfaces/dex-v2/pool/IBasePoolV2.sol"
    ],
    "High-Level Calls": [
        "SafeERC20",
        "SafeERC20",
        "VaderMath"
    ],
    "Internal Calls": [
        "nonReentrant",
        "_update",
        "getReserves",
        "require(bool,string)",
        "_mint"
    ],
    "Library Calls": [
        "safeTransferFrom",
        "safeTransferFrom",
        "calculateLiquidityUnits"
    ],
    "Low-Level Calls": [],
    "Code": "function _mint(\r\n        IERC20 foreignAsset,\r\n        uint256 nativeDeposit,\r\n        uint256 foreignDeposit,\r\n        address from,\r\n        address to\r\n    ) internal nonReentrant returns (uint256 liquidity) {\r\n        (uint112 reserveNative, uint112 reserveForeign, ) = getReserves(\r\n            foreignAsset\r\n        ); // gas savings\r\n\r\n        nativeAsset.safeTransferFrom(from, address(this), nativeDeposit);\r\n        foreignAsset.safeTransferFrom(from, address(this), foreignDeposit);\r\n\r\n        PairInfo storage pair = pairInfo[foreignAsset];\r\n        uint256 totalLiquidityUnits = pair.totalSupply;\r\n        if (totalLiquidityUnits == 0) liquidity = nativeDeposit;\r\n        else\r\n            liquidity = VaderMath.calculateLiquidityUnits(\r\n                nativeDeposit,\r\n                reserveNative,\r\n                foreignDeposit,\r\n                reserveForeign,\r\n                totalLiquidityUnits\r\n            );\r\n\r\n        require(\r\n            liquidity > 0,\r\n            \"BasePoolV2::mint: Insufficient Liquidity Provided\"\r\n        );\r\n\r\n        uint256 id = positionId++;\r\n\r\n        pair.totalSupply = totalLiquidityUnits + liquidity;\r\n        _mint(to, id);\r\n\r\n        positions[id] = Position(\r\n            foreignAsset,\r\n            block.timestamp,\r\n            liquidity,\r\n            nativeDeposit,\r\n            foreignDeposit\r\n        );\r\n\r\n        _update(\r\n            foreignAsset,\r\n            reserveNative + nativeDeposit,\r\n            reserveForeign + foreignDeposit,\r\n            reserveNative,\r\n            reserveForeign\r\n        );\r\n\r\n        emit Mint(from, to, nativeDeposit, foreignDeposit);\r\n        emit PositionOpened(from, to, id, liquidity);\r\n    }"
}