usm-oracles v0.0.6

USM - Oracles

Collection of smart contracts pulling oracle data from several sources.

• Chainlink: AggregatorV3Interface
• Compound: UniswapAnchoredView (OpenOracle)
• MakerDAO: MakerMedianizer
• Uniswap: Spot Price
• Uniswap: TWAP (Time Weighted Average Price)

Plus a simple Median library and implementations of medianized oracle integrations.

• MedianOracle: Median of 3 arbitrary oracles using the Oracle interface.
• UniswapMedianSpotOracle: Median of 3 uniswap pair spot prices.
• UniswapMedianTWAPOracle: Median of 3 uniswap pair TWAP prices.
• CheapMedianOracle: The implementation chosen for USM. Optimal gas use for a Chainlink, Compound and Uniswap TWAP Median.