FallbackCLRSOracle
Inherits:FluidOracle, FallbackOracleImpl
Gets the exchange rate between the underlying asset and the peg asset by using: the price from a Chainlink price feed or a Redstone Oracle with one of them being used as main source and the other one acting as a fallback if the main source fails for any reason. Reverts if fetched rate is 0.
Functions
constructor
sets the main source, Chainlink Oracle and Redstone Oracle data.
constructor(
uint8 mainSource_,
ChainlinkConstructorParams memory chainlinkParams_,
RedstoneOracleData memory redstoneOracle_
) FallbackOracleImpl(mainSource_, chainlinkParams_, redstoneOracle_);
Parameters
Name | Type | Description |
---|---|---|
mainSource_ | uint8 | which oracle to use as main source: 1 = Chainlink, 2 = Redstone (other one is fallback). |
chainlinkParams_ | ChainlinkConstructorParams | chainlink Oracle constructor params struct. |
redstoneOracle_ | RedstoneOracleData | Redstone Oracle data. (address can be set to zero address if using Chainlink only) |
getExchangeRate
function getExchangeRate() external view override returns (uint256 exchangeRate_);
FALLBACK_ORACLE_MAIN_SOURCE
which oracle to use as main source:
- 1 = Chainlink ONLY (no fallback)
- 2 = Chainlink with Redstone Fallback
- 3 = Redstone with Chainlink Fallback
function FALLBACK_ORACLE_MAIN_SOURCE() public view returns (uint8);