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Version: V3

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:#

NameTypeDescription
selfmapping(bytes32 => struct Position.Info)The mapping containing all user positions
owneraddressThe address of the position owner
tickLowerint24The lower tick boundary of the position
tickUpperint24The upper tick boundary of the position

Return Values:#

NameTypeDescription
positionstruct Position.InfoThe 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:#

NameTypeDescription
selfstruct Position.InfoThe mapping containing all user positions
liquidityDeltaint128The change in pool liquidity as a result of the position update
feeGrowthInside0X128uint256The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries
feeGrowthInside1X128uint256The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries