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YearnPricer.md

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YearnPricer

A Pricer contract for a Yearn yToken

Functions:

  • constructor(address _yToken, address _underlying, address _oracle) (public)

  • getPrice() (external)

  • setExpiryPriceInOracle(uint256 _expiryTimestamp) (external)

  • getHistoricalPrice(uint80 _roundId) (external)

Function constructor(address _yToken, address _underlying, address _oracle) public

Parameters:

  • _yToken: yToken asset

  • _underlying: underlying asset for this yToken

  • _oracle: Opyn Oracle contract address

Function getPrice() → uint256 external

get the live price for the asset

overrides the getPrice function in OpynPricerInterface

Return Values:

  • price of 1e8 yToken in USD, scaled by 1e8

Function setExpiryPriceInOracle(uint256 _expiryTimestamp) external

set the expiry price in the oracle

requires that the underlying price has been set before setting a yToken price

Parameters:

  • _expiryTimestamp: expiry to set a price for

Function getHistoricalPrice(uint80 _roundId) → uint256, uint256 external