Skip to main content

ExampleSlidingWindowOracle

State Variables​

factory​

address public immutable factory;

windowSize​

uint256 public immutable windowSize;

granularity​

uint8 public immutable granularity;

periodSize​

uint256 public immutable periodSize;

pairObservations​

mapping(address => Observation[]) public pairObservations;

Functions​

constructor​

constructor(address factory_, uint256 windowSize_, uint8 granularity_);

observationIndexOf​

function observationIndexOf(uint256 timestamp) public view returns (uint8 index);

getFirstObservationInWindow​

function getFirstObservationInWindow(address pair) private view returns (Observation storage firstObservation);

update​

function update(address tokenA, address tokenB) external;

computeAmountOut​

function computeAmountOut(
    uint256 priceCumulativeStart,
    uint256 priceCumulativeEnd,
    uint256 timeElapsed,
    uint256 amountIn
) private pure returns (uint256 amountOut);

consult​

function consult(address tokenIn, uint256 amountIn, address tokenOut) external view returns (uint256 amountOut);

Structs​

Observation​

struct Observation {
    uint256 timestamp;
    uint256 price0Cumulative;
    uint256 price1Cumulative;
}