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 |