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PriceFeedDouble

Returns the price of an asset considering two different Chainlink price feeds.
Written as a generic implementation it can be used, for example, to retrieve the price of WBTC. Queries BTC/ ETH feed and multiplies it by the exchange rate between WBTC / BTC before returning the price that it’s then used by the Auditor.

Public State Variables

baseUnit

function baseUnit() external view returns (uint256)
The base units are used to normalize the answer when multiplied by the second price feed rate.

decimals

function decimals() external view returns (uint8)
Number of decimals that the answer of this price feed has.

priceFeedOne

function priceFeedOne() external view returns (contract IPriceFeed)
Main price feed where the price is fetched from.

priceFeedTwo

function priceFeedTwo() external view returns (contract IPriceFeed)
Second price feed where the asset's rate is fetched from.

View Methods

latestAnswer

function latestAnswer() external view returns (int256)
Returns the price feed's latest value considering the other price feed's rate.