IOracle

IOracle

ObservationState

struct ObservationState {
  uint16 index;
  uint16 cardinality;
  uint16 cardinalityNext;
}

increaseCardinalityNext

function increaseCardinalityNext(struct PoolKey key, uint16 cardinalityNext) external returns (uint16 cardinalityNextOld, uint16 cardinalityNextNew)

getObservation

function getObservation(struct PoolKey key, uint256 index) external view returns (struct Observation observation)

getState

function getState(struct PoolKey key) external view returns (struct IOracle.ObservationState state)

observe

function observe(struct PoolKey key, uint32[] secondsAgos) external view returns (int48[] tickCumulatives, uint144[] secondsPerLiquidityCumulativeX128s)