Position

Positions represent an owner address' liquidity between a lower and upper tick boundary

Positions store additional state for tracking fees owed to the position

Functions​

get​

  function get(
    mapping(bytes32 => struct Position.Info) self,
    address owner,
    int24 tickLower,
    int24 tickUpper
  ) internal view returns (struct Position.Info position)

Returns the Info struct of a position, given an owner and position boundaries

Parameters:​

Name	Type	Description
self	mapping(bytes32 => struct Position.Info)	The mapping containing all user positions
owner	address	The address of the position owner
tickLower	int24	The lower tick boundary of the position
tickUpper	int24	The upper tick boundary of the position

Return Values:​

Name	Type	Description
position	struct Position.Info	The position info struct of the given owners' position

update​

  function update(
    struct Position.Info self,
    int128 liquidityDelta,
    uint256 feeGrowthInside0X128,
    uint256 feeGrowthInside1X128
  ) internal

Credits accumulated fees to a user's position

Parameters:​

Name	Type	Description
self	struct Position.Info	The mapping containing all user positions
liquidityDelta	int128	The change in pool liquidity as a result of the position update
feeGrowthInside0X128	uint256	The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries
feeGrowthInside1X128	uint256	The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries