SwEthSpotOracle

Git Source

Inherits: SpotOracle

The swETH spot oracle.

State Variables

POOL

IUniswapV3Pool public immutable POOL;

SECONDS_AGO

uint32 public immutable SECONDS_AGO;

Functions

constructor

Creates a new SwEthSpotOracle instance.

constructor(
    uint256 _ltv,
    address _reserveOracle,
    address _uniswapPool,
    uint32 _secondsAgo
)
    SpotOracle(_ltv, _reserveOracle);

Parameters

Name	Type	Description
_ltv	uint256	The loan to value ratio for swETH.
_reserveOracle	address	The associated reserve oracle.
_uniswapPool	address	swETH/Eth Uniswap pool address.
_secondsAgo	uint32	The TWAP period in seconds.

getPrice

Gets the price of swETH in ETH.

Uniswap returns price in swETH per ETH. This needs to be inversed.

function getPrice() public view override returns (uint256 ethPerSwEth);

Returns

Name	Type	Description
ethPerSwEth	uint256	price of swETH in ETH. [WAD]

_getPriceInWadFromSqrtPriceX96

Converts a sqrtPriceX96 to a price in WAD.

function _getPriceInWadFromSqrtPriceX96(uint256 sqrtPriceX96) internal pure returns (uint256);

Parameters

Name	Type	Description
sqrtPriceX96	uint256	Price in sqrtPriceX96.

Errors

InvalidSecondsAgo

error InvalidSecondsAgo(uint32 invalidSecondsAgo);