ChainlinkProxyPriceProvider

contracts/oracle/ChainlinkProxyPriceProvider.sol

Title: ChainlinkProxyPriceProvider

Notice: Proxy smart contract to get the price of an asset from a price source, with Chainlink Aggregator smart contracts as primary option - If the returned price by a Chainlink aggregator is <= 0, the transaction will be reverted - Can be owned by the governance system, allowed to add sources for assets, replace them

constructor

constructor(assets, sources)

Arguments

name	type	description
assets	address[]
sources	address[]

event AssetSourceUpdated

***ChainlinkProxyPriceProvider.AssetSourceUpdated(asset, source) ***

Arguments

name	type	description
asset	address	indexed
source	address	indexed

event OwnershipTransferred

***ChainlinkProxyPriceProvider.OwnershipTransferred(previousOwner, newOwner) ***

Arguments

name	type	description
previousOwner	address	indexed
newOwner	address	indexed

function getAssetPrice

ChainlinkProxyPriceProvider.getAssetPrice(asset) view

Notice: Gets an asset price by address

Arguments

name	type	description
asset	address	The asset address

Outputs

name	type	description
	uint256

function getAssetsPrices

ChainlinkProxyPriceProvider.getAssetsPrices(assets) view

Notice: Gets a list of prices from a list of assets addresses

Arguments

name	type	description
assets	address[]	The list of assets addresses

Outputs

name	type	description
	uint256[]

function getETHAddress

ChainlinkProxyPriceProvider.getETHAddress() view

Notice: Gets the ethAddress

Outputs

name	type	description
	address	address The ethAddress

function getETHPriceInAsset

ChainlinkProxyPriceProvider.getETHPriceInAsset(asset) view

Notice: Gets ETH price in terms of asset, which is the reciprocal of getAssetPrice the number is not reounded by the asset actual number of decimal places expect proper rounding is done outside of this function and getAssetPrice returns number in WAD format

Arguments

name	type	description
asset	address	The asset address

Outputs

name	type	description
	uint256

function getSourceOfAsset

ChainlinkProxyPriceProvider.getSourceOfAsset(asset) view

Notice: Gets the address of the source for an asset address

Arguments

name	type	description
asset	address	The address of the asset

Outputs

name	type	description
	address	address The address of the source

function owner

ChainlinkProxyPriceProvider.owner() view

Details: Returns the address of the current owner.

Outputs

name	type	description
	address

function renounceOwnership

***ChainlinkProxyPriceProvider.renounceOwnership() ***

Details: Leaves the contract without owner. It will not be possible to call onlyOwner functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.

function setAssetSources

***ChainlinkProxyPriceProvider.setAssetSources(assets, sources) ***

Notice: External function called by the owner to set or replace sources of assets

Arguments

name	type	description
assets	address[]	The addresses of the assets
sources	address[]	The address of the source of each asset

function setETHAddress

***ChainlinkProxyPriceProvider.setETHAddress(ethAddress) ***

Notice: Sets the ethAddress, in aave the ethAddress is a special representation for ETH, generalized to be configurable per system, can be for example WETH address

Arguments

name	type	description
ethAddress	address	The address of ETH

function transferOwnership

***ChainlinkProxyPriceProvider.transferOwnership(newOwner) ***

Details: Transfers ownership of the contract to a new account (newOwner). Can only be called by the current owner.

Arguments

name	type	description
newOwner	address