API reference for AggregatorV3Interface.

Functions

decimals

Get the number of decimals present in the response value.

function decimals() external view returns (uint8)

• RETURN: The number of decimals.

description

Get the description of the underlying aggregator that the proxy points to.

function description() external view returns (string memory)

• RETURN: The description of the underlying aggregator.

getRoundData

Get data about a specific round, using the roundId.

function getRoundData(uint80 _roundId) external view
    returns (
        uint80 roundId,
        int256 answer,
        uint256 startedAt,
        uint256 updatedAt,
        uint80 answeredInRound
    )

Parameters

• roundId: The round ID

Return Values

• roundId: The round ID.
• answer: The price.
• startedAt: Timestamp of when the round started.
• updatedAt: Timestamp of when the round was updated.
• answeredInRound: The round ID of the round in which the answer was computed.

latestRoundData

Get the price from the latest round.

function latestRoundData() external view
    returns (
        uint80 roundId,
        int256 answer,
        uint256 startedAt,
        uint256 updatedAt,
        uint80 answeredInRound
    )

Return Values

• roundId: The round ID.
• answer: The price.
• startedAt: Timestamp of when the round started.
• updatedAt: Timestamp of when the round was updated.
• answeredInRound: The round ID of the round in which the answer was computed.

version

The version representing the type of aggregator the proxy points to.

function version() external view returns (uint256)

• RETURN: The version number.