{
    "Function": "_addLiquidityAndDepositETH",
    "File": "contracts/libraries/StakingLPVaultHelpers.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "ICurvePoolETH",
        "CurveHelpers",
        "CurveHelpers",
        "IERC20",
        "CurveHelpers",
        "ICurvePoolETH",
        "ExchangeHelpers",
        "ICurvePoolETH",
        "IERC20",
        "IStakingVault"
    ],
    "Internal Calls": [],
    "Library Calls": [
        "getAmounts3Coins",
        "getAmounts4Coins",
        "getAmounts2Coins",
        "setMaxAllowance"
    ],
    "Low-Level Calls": [],
    "Code": "function _addLiquidityAndDepositETH(\n        address vault,\n        ICurvePoolETH pool,\n        IERC20 lpToken,\n        uint256 poolCoinAmount,\n        address eth,\n        uint256 amount\n    ) internal {\n        uint256 lpTokenBalanceBefore = lpToken.balanceOf(address(this));\n\n        if (poolCoinAmount == 2) {\n            pool.add_liquidity{ value: amount }(CurveHelpers.getAmounts2Coins(pool, eth, amount), 0);\n        } else if (poolCoinAmount == 3) {\n            pool.add_liquidity{ value: amount }(CurveHelpers.getAmounts3Coins(pool, eth, amount), 0);\n        } else {\n            pool.add_liquidity{ value: amount }(CurveHelpers.getAmounts4Coins(pool, eth, amount), 0);\n        }\n\n        uint256 lpTokenToDeposit = lpToken.balanceOf(address(this)) - lpTokenBalanceBefore;\n        ExchangeHelpers.setMaxAllowance(lpToken, vault);\n        IStakingVault(vault).deposit(lpTokenToDeposit);\n    }"
}