{
    "Function": "_viewSplitExactIn",
    "File": "contracts/adapters/exchanges/BalancerAdapter.sol",
    "Parent Contracts": [
        "contracts/adapters/BaseAdapter.sol",
        "contracts/interfaces/IBaseAdapter.sol"
    ],
    "High-Level Calls": [
        "SafeMath",
        "SafeMath",
        "SafeMath",
        "RegistryInterface",
        "SafeMath",
        "SafeMath",
        "SafeMath",
        "SafeMath",
        "SafeMath"
    ],
    "Internal Calls": [
        "_calcTotalOutExactIn",
        "_getPoolData"
    ],
    "Library Calls": [
        "sub",
        "add",
        "div",
        "add",
        "add",
        "sub",
        "sub",
        "mul"
    ],
    "Low-Level Calls": [],
    "Code": "function _viewSplitExactIn(\n        address tokenIn,\n        address tokenOut,\n        uint swapAmount,\n        uint nPools,\n        bool spot\n    )\n        internal view\n        returns (Swap[] memory swaps, uint totalOutput)\n    {\n        address[] memory poolAddresses = registry.getBestPoolsWithLimit(tokenIn, tokenOut, nPools);\n\n        Pool[] memory pools = new Pool[](poolAddresses.length);\n        uint sumEffectiveLiquidity;\n        for (uint i = 0; i < poolAddresses.length; i++) {\n            pools[i] = _getPoolData(tokenIn, tokenOut, poolAddresses[i]);\n            sumEffectiveLiquidity = sumEffectiveLiquidity.add(pools[i].effectiveLiquidity);\n        }\n\n        uint[] memory bestInputAmounts = new uint[](pools.length);\n        uint totalInputAmount;\n        for (uint i = 0; i < pools.length; i++) {\n            bestInputAmounts[i] = swapAmount.mul(pools[i].effectiveLiquidity).div(sumEffectiveLiquidity);\n            totalInputAmount = totalInputAmount.add(bestInputAmounts[i]);\n        }\n\n        if (totalInputAmount < swapAmount) {\n            bestInputAmounts[0] = bestInputAmounts[0].add(swapAmount.sub(totalInputAmount));\n        } else {\n            bestInputAmounts[0] = bestInputAmounts[0].sub(totalInputAmount.sub(swapAmount));\n        }\n\n        swaps = new Swap[](pools.length);\n\n        for (uint i = 0; i < pools.length; i++) {\n            swaps[i] = Swap({\n                        pool: pools[i].pool,\n                        tokenIn: tokenIn,\n                        tokenOut: tokenOut,\n                        swapAmount: bestInputAmounts[i],\n                        limitReturnAmount: 0,\n                        maxPrice: uint(-1)\n                    });\n        }\n\n        totalOutput = _calcTotalOutExactIn(bestInputAmounts, pools, spot);\n\n        return (swaps, totalOutput);\n    }"
}