IPythAdapter

IPythAdapter

registerPriceFeed

function registerPriceFeed(address _asset, bytes32 _priceFeedId) external returns (bool success)

Registers a new Pyth price feed

Parameters

Name	Type	Description
_asset	address	ERC-20 token address
_priceFeedId	bytes32	Pyth price feed id

Return Values

Name	Type	Description
success	bool	Confirmation of success

updatePriceFeeds

function updatePriceFeeds(bytes[] _priceUpdateData) external payable returns (bool success)

Updates one or more Pyth price feeds

This function needs to be called right before calling getAssetPrice()

Parameters

Name	Type	Description
_priceUpdateData	bytes[]	Pyth price update data

Return Values

Name	Type	Description
success	bool	Confirmation of success

getAssetPrice

function getAssetPrice(address _asset) external view returns (uint256 assetPrice)

Returns the asset price

This function reverts with a StalePrice error if the on-chain price has not been updated within the last getValidTimePeriod() seconds via updateAssetPrice()

Parameters

Name	Type	Description
_asset	address	ERC-20 token address

Return Values

Name	Type	Description
assetPrice	uint256	Asset price in USD with 18 decimal places

isPriceFeedRegistered

function isPriceFeedRegistered(address _asset) external view returns (bool isRegistered)

Check if Pyth price feed is registered

Parameters

Name	Type	Description
_asset	address	ERC-20 token address

Return Values

Name	Type	Description
isRegistered	bool	Confirmation of registration

getUpdateFee

function getUpdateFee(bytes[] _updateData) external view returns (uint256 updateFee)

Returns the required fee to update an array of price updates

Parameters

Name	Type	Description
_updateData	bytes[]	Array of price update data

Return Values

Name	Type	Description
updateFee	uint256	Update fee in Wei