SFrxETHOracle

SFrxETHOracle

This oracle fetches the price of sfrxETH

Solidity API

SFRXETH_FRAX_ORACLE

Address of SfrxEthFraxOracle

contract ISfrxEthFraxOracle SFRXETH_FRAX_ORACLE

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SFRXETH

Address of sfrxETH

address SFRXETH

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maxAllowedPriceDifference

Maximum allowed price difference

uint256 maxAllowedPriceDifference

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constructor

Constructor for the implementation contract.

constructor(address _sfrxEthFraxOracle, address _sfrxETH) public

❌ Errors

• ZeroAddressNotAllowed is thrown when _sfrxEthFraxOracle or _sfrxETH are the zero address

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initialize

Sets the contracts required to fetch prices

function initialize(address _accessControlManager, uint256 _maxAllowedPriceDifference) external

Parameters

Name	Type	Description
_accessControlManager	address	Address of the access control manager contract
_maxAllowedPriceDifference	uint256	Maximum allowed price difference

❌ Errors

• ZeroValueNotAllowed is thrown if _maxAllowedPriceDifference is zero

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setMaxAllowedPriceDifference

Sets the maximum allowed price difference

function setMaxAllowedPriceDifference(uint256 _maxAllowedPriceDifference) external

Parameters

Name	Type	Description
_maxAllowedPriceDifference	uint256	Maximum allowed price difference

❌ Errors

• ZeroValueNotAllowed is thrown if _maxAllowedPriceDifference is zero

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getPrice

Fetches the USD price of sfrxETH

function getPrice(address asset) external view returns (uint256)

Parameters

Name	Type	Description
asset	address	Address of the sfrxETH token

Return Values

Name	Type	Description
[0]	uint256	price The price scaled by 1e18

❌ Errors

• InvalidTokenAddress is thrown when the asset is not the sfrxETH token (SFRXETH)

• BadPriceData is thrown if the SFRXETH_FRAX_ORACLE oracle informs it has bad data

• ZeroValueNotAllowed is thrown if the prices (low or high, in USD) are zero

• PriceDifferenceExceeded is thrown if priceHigh/priceLow is greater than maxAllowedPriceDifference

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