ChainlinkCompositeOracleProvider

State Variables

Fixed-point precision for internal calculations

uint256 private constant PRECISION = 1e36;

Grace period time after the sequencer is back up

uint256 private constant GRACE_PERIOD_TIME = 3600;

Chainlink feed for the sequencer uptime

AggregatorV3Interface public immutable sequencerUptimeFeed;

Array of 3 configs

Config[] public configs;

Contract constructor

constructor(AggregatorV3Interface _sequencerUptimeFeed, Config[] memory _configs);

Parameters

Name	Type	Description
`_sequencerUptimeFeed`	`AggregatorV3Interface`	L2 Sequencer uptime feed
`_configs`	`Config[]`	Array of configs for feeds

Get the price of the asset

function price() external view returns (uint256);

Returns

Name	Type	Description
`<none>`	`uint256`	Price of the asset

Get the decimals of the price

function decimals() external view returns (uint256);

Returns

Name	Type	Description
`<none>`	`uint256`	Decimals of the price

Get the current decimals of a config

function _getCurrentDecimals(Config memory config) internal view returns (uint256);

Parameters

Name	Type	Description
`config`	`Config`	The config to get decimals for

Returns

Name	Type	Description
`<none>`	`uint256`	The current decimals value

Validate the sequencer status

function _validateSequencerStatus() internal view;

Error emitted when feed is invalid

error InvalidFeed();

Error emitted when stale period is invalid

error InvalidStalePeriod();

Error emitted when price is stale

error StalePrice();

Error emitted when sequencer is down

error SequencerDown();

Error emitted when grace period is not over

error GracePeriodNotOver();

Error emitted when price from feed is invalid

error InvalidFeedPrice();

struct Config {
    AggregatorV3Interface feed;
    uint256 maxStalePeriod;
    uint256 assetDecimals;
    bool isInverted;
}