Oracle
What are oracles?
EraLend utilizes the decentralized Pyth oracle network, which provides up-to-date token prices data to smart contracts on zkSync Mainnet.
Responsibilities of an oracle
Updates, stores, and distributes up-to-date token prices relevant to the system.
Disables borrowing functionality if prices are not fresh.
Provides functionality to perform liquidation.
How does EraLend utilize oracles?
The EraLend protocol utilizes its respective pythOracle contract to retrieve frequently stored price updates.
EraLend Oracle Contracts
At EraLend, the on-chain manifestation of the oracle is the pythOracle contract, which stores prices that are frequently updated by the oracle. The primary user of these prices is the Comptroller contract, which needs them to evaluate the user's asset status to determine eligibility for liquidation.
Constituent Contracts
The oracle is responsible for collecting and updating all token prices known to the EraLend system.
The EraLend audit contract which receives token prices from the oracle, and supplies them to all contracts that need it.
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