一个用于操作头寸流动性增减和资产数额查询的库。

1. Functions

1.1. getAmountsForAmount0

  function getAmountsForAmount0(
    uint160 sqrtPriceX96,
    uint160 sqrtPriceL96,
    uint160 sqrtPriceU96,
    uint256 deltaX
  ) internal returns (uint256 amount0, uint256 amount1)

计算将 t0 最大化添加到池子头寸中，所需的 t0 和 t1 数量。

计算公式：DeltaX0 = DeltaX0 /( SPu(SPc-SPl) / (SPc(SPu-SPc)) + 1)

Parameters:

Return Values:

1.2. getAmountOutMin

  function getAmountOutMin(
    uint256 curSqrtPirceX96,
    uint256 maxPriceImpact,
    uint256 amountIn
  ) internal returns (uint256 amountOutMin)

计算最小交易输出值

Parameters:

Return Values:

1.3. computeSwapAmounts

  function computeSwapAmounts(
    struct Position.SwapParams params,
    mapping(address => bytes) buyPath
  ) internal returns (uint256 amount0Max, uint256 amount1Max)

根据基金的本币数量和收取的费用t0,t1，计算两个代币在指定投资头寸上的分配数量。

Parameters:

Return Values:

1.4. addLiquidity

  function addLiquidity(
    struct Position.Info self,
    struct Position.AddParams params,
    mapping(address => bytes) sellPath,
    mapping(address => bytes) buyPath
  ) public returns (uint128 liquidity)

添加LP到指定头寸

Parameters:

Return Values:

1.5. burnAndCollect

  function burnAndCollect(
    struct Position.Info pool,
    address proportionX128
  ) public returns (uint256 amount0, uint256 amount1)

销毁指定头寸的LP并取回拥有的2种代币

Parameters:

Return Values:

1.6. subLiquidity

  function subLiquidity(
    struct Position.Info self,
    struct Position.SubParams params
  ) public returns (uint256 amount)

减少指定头寸的LP，取回代币并兑换成基金本币。

Parameters:

Return Values:

1.7. assetsOfPool

  function assetsOfPool(
    struct Position.Info[] self,
    address pool,
    address token,
    mapping(address => bytes) sellPath,
    address uniV3Factory
  ) public returns (uint256 amount, uint256[])

获取某个池子的所有资产（以基金的本币衡量）

Parameters:

Return Values:

1.8. assets

  function assets(
    struct Position.Info self,
    address pool,
    address token,
    mapping(address => bytes) sellPath,
    address uniV3Factory
  ) public returns (uint256 amount)

获得一个以基金代币为衡量标准的头寸的资产

Parameters:

Return Values:

1.9. getAssetsOfSinglePosition

  function getAssetsOfSinglePosition(
    struct Position.AssetsOfSinglePosition params
  ) internal returns (uint256 amount0, uint256 amount1)

获取一个头寸的资产t0,t1数量，包括未提取的手续费收益

Parameters:

Return Values:

1.10. getFeeGrowthInside

  function getFeeGrowthInside(
    struct Position.FeeGrowthInsideParams params
  ) internal returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128)

获取已经增长的费用数据

Parameters:

Return Values: