IPriceProviderAggregator

Overview

License: MIT

interface IPriceProviderAggregator

Functions info

setTokenAndPriceProvider (0xf913ab66)

function setTokenAndPriceProvider(
    address token,
    address priceProvider,
    uint8 priceDecimals
) external

Sets price provider to token and its corresponding price provider.

Parameters:

Name	Type	Description
token	address	the address of token.
priceProvider	address	the address of price provider. Should implement the interface of PriceProvider.
priceDecimals	uint8	the decimals of token price.

changeActive (0x3651084e)

function changeActive(
    address priceProvider,
    address token,
    bool active
) external

Allows the moderator to change the active status of a price provider for a specific token.

Parameters:

Name	Type	Description
priceProvider	address	The address of the price provider to change the active status for.
token	address	The address of the token to change the active status for.
active	bool	The new active status to set for the price provider.

updateMultiFinalPrices (0x1e5f85e6)

function updateMultiFinalPrices(address[] memory token) external

Calculates and update multiple the final TWAP prices of a token.

Parameters:

Name	Type	Description
token	address[]	The token array needs to update the price.

updatePrices (0x0aa9adbc)

function updatePrices(
    bytes32[] memory priceIds,
    bytes[] calldata updateData
) external payable

Perform a price update if the price is no longer valid.

Parameters:

Name	Type	Description
priceIds	bytes32[]	The priceIds need to update.
updateData	bytes[]	The updateData provided by PythNetwork.

getTokensUpdateFinalPrices (0xef290120)

function getTokensUpdateFinalPrices(
    address projectToken,
    address actualLendingToken,
    bool isBorrow
) external view returns (address[] memory tokens)

This function is called when performing operations using token prices, to determine which tokens will need to update their final price.

Parameters:

Name	Type	Description
projectToken	address	Address of the project token.
actualLendingToken	address	Address of the lending token.
isBorrow	bool	Whether getting the list of tokens for updateFinalPrices is related to the borrowing operation or not.

Return values:

Name	Type	Description
tokens	address[]	Array of tokens that need to update final price.

tokenPriceProvider (0xa33540f1)

function tokenPriceProvider(
    address token
) external view returns (address priceProvider)

Returns priceProvider address.

Parameters:

Name	Type	Description
token	address	The address of token which address of priceProvider is to return.

getPrice (0x41976e09)

function getPrice(
    address token
)
    external
    view
    returns (
        uint8 priceDecimals,
        uint32 timestamp,
        uint256 collateralPrice,
        uint256 capitalPrice
    )

Returns the most recent TWAP price of a token.

Parameters:

Name	Type	Description
token	address	The address of the token.

Return values:

Name	Type	Description
priceDecimals	uint8	The decimals of the price.
timestamp	uint32	The last updated timestamp of the price.
collateralPrice	uint256	The collateral price of the token.
capitalPrice	uint256	The capital price of the token.

getEvaluation (0x81fd01ea)

function getEvaluation(
    address token,
    uint256 tokenAmount
)
    external
    view
    returns (uint256 collateralEvaluation, uint256 capitalEvaluation)

returns the most TWAP price in USD evaluation of token by its tokenAmount

Parameters:

Name	Type	Description
token	address	the address of token to evaluate
tokenAmount	uint256	the amount of token to evaluate

Return values:

Name	Type	Description
collateralEvaluation	uint256	the USD evaluation of token by its tokenAmount in collateral price
capitalEvaluation	uint256	the USD evaluation of token by its tokenAmount in capital price