MakerDAOOracle.sol

View Source: contracts/oracles/MakerDAOOracle.sol

↗ Extends: IOracle, Ownable

MakerDAOOracle

Contract Members

Constants & Variables

contract IMedianizer public medianizer;
address public currencyAddress;
bytes32 public currencySymbol;
bool public manualOverride;
uint256 public manualPrice;

Events

event ChangeMedianizer(address  _newMedianizer, address  _oldMedianizer);
event SetManualPrice(uint256  _oldPrice, uint256  _newPrice);
event SetManualOverride(bool  _override);

Functions

• (address _medianizer, address _currencyAddress, bytes32 _currencySymbol)

• changeMedianier(address _medianizer)

• getCurrencyAddress()

• getCurrencySymbol()

• getCurrencyDenominated()

• getPrice()

• setManualPrice(uint256 _price)

• setManualOverride(bool _override)

Creates a new Maker based oracle

function (address _medianizer, address _currencyAddress, bytes32 _currencySymbol) public nonpayable

Arguments

Name	Type	Description
_medianizer	address	Address of Maker medianizer
_currencyAddress	address	Address of currency (0x0 for ETH)
_currencySymbol	bytes32	Symbol of currency

changeMedianier

Updates medianizer address

function changeMedianier(address _medianizer) public nonpayable onlyOwner

Arguments

Name	Type	Description
_medianizer	address	Address of Maker medianizer

getCurrencyAddress

⤾ overrides IOracle.getCurrencyAddress

Returns address of oracle currency (0x0 for ETH)

function getCurrencyAddress() external view
returns(address)

Arguments

Name	Type	Description

getCurrencySymbol

⤾ overrides IOracle.getCurrencySymbol

Returns symbol of oracle currency (0x0 for ETH)

function getCurrencySymbol() external view
returns(bytes32)

Arguments

Name	Type	Description

getCurrencyDenominated

⤾ overrides IOracle.getCurrencyDenominated

Returns denomination of price

function getCurrencyDenominated() external view
returns(bytes32)

Arguments

Name	Type	Description

getPrice

⤾ overrides IOracle.getPrice

Returns price - should throw if not valid

function getPrice() external nonpayable
returns(uint256)

Arguments

Name	Type	Description

setManualPrice

Set a manual price. NA - this will only be used if manualOverride == true

function setManualPrice(uint256 _price) public nonpayable onlyOwner

Arguments

Name	Type	Description
_price	uint256	Price to set

setManualOverride

Determine whether manual price is used or not

function setManualOverride(bool _override) public nonpayable onlyOwner

Arguments

Name	Type	Description
_override	bool	Whether to use the manual override price or not