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Morpho Blue Oracles

Morpho Blue Oracles are contracts that can be used as oracles for markets on Morpho Blue. The oracles implement the IOracle interface defined in IOracle.sol: they return the price of 1 asset of collateral token quoted in 1 asset of loan token.

ChainlinkOracle

The ChainlinkOracle is an oracle that uses Chainlink-compliant feeds to provide price data.

This oracle handles the following cases among others (let's say that our pair is A/B):

  • A/B is a feed (typically, stETH/ETH).
  • B/A is a feed (typically, ETH/USDC).
  • A/C and B/C are feeds (typically, stETH/ETH and USDC/ETH).
  • A/C, C/D and B/D are feeds (typically, WBTC/BTC, BTC/USD, USDC/USD).
  • A/D, and B/C, C/D are feeds (typically, USDC/USD, WBTC/BTC, BTC/USD).
  • A/C, C/D and B/E, E/D are feeds.
  • A/C and C/B are feeds (typically, WBTC/BTC and BTC/ETH).
  • A'/C and B/C are feeds, and there is an exchange rate between A and A'. (typically A=sDAI and A'=DAI).

Getting Started

Install dependencies: forge install

In a .env file, set ETH_RPC_URL to the URL of an Ethereum provider.

Run test: forge test

Audits

All audits are stored in the audits' folder.

License

Morpho Blue Oracles are licensed under GPL-2.0-or-later, see LICENSE.