I Price Provider Aggregator

Methods

MODERATOR_ROLE

function MODERATOR_ROLE() external view returns (bytes32)

Returns

Name	Type	Description
_0	bytes32	undefined

changeActive

function changeActive(address priceProvider, address token, bool active) external nonpayable

Parameters

Name	Type	Description
priceProvider	address	undefined
token	address	undefined
active	bool	undefined

getEvaluation

function getEvaluation(address token, uint256 tokenAmount) external view returns (uint256 evaluation)

returns the USD evaluation of token by its tokenAmount

Parameters

Name	Type	Description
token	address	the address of token to evaluate
tokenAmount	uint256	the amount of token to evaluate

Returns

Name	Type	Description
evaluation	uint256	undefined

getEvaluationSigned

function getEvaluationSigned(address token, uint256 tokenAmount, uint256 priceMantissa, uint8 priceDecimals, uint256 validTo, bytes signature) external view returns (uint256 evaluation)

returns the USD evaluation of token by its tokenAmount

Parameters

Name	Type	Description
token	address	the address of token
tokenAmount	uint256	the amount of token including decimals
priceMantissa	uint256	- the price of token (used in verifying the signature)
priceDecimals	uint8	- the price decimals (used in verifying the signature)
validTo	uint256	- the timestamp in seconds (used in verifying the signature)
signature	bytes	- the backend signature of secp256k1. length is 65 bytes

Returns

Name	Type	Description
evaluation	uint256	undefined

getPrice

function getPrice(address token) external view returns (uint256 priceMantissa, uint8 priceDecimals)

price = priceMantissa / (10 ** priceDecimals)

returns tuple (priceMantissa, priceDecimals)

Parameters

Name	Type	Description
token	address	the address of token wich price is to return

Returns

Name	Type	Description
priceMantissa	uint256	undefined
priceDecimals	uint8	undefined

getPriceSigned

function getPriceSigned(address token, uint256 _priceMantissa, uint8 _priceDecimals, uint256 validTo, bytes signature) external view returns (uint256 priceMantissa, uint8 priceDecimals)

returns the price of token multiplied by 10 ** priceDecimals given by price provider. price can be calculated as priceMantissa / (10 ** priceDecimals) i.e. price = priceMantissa / (10 ** priceDecimals)

Parameters

Name	Type	Description
token	address	the address of token
_priceMantissa	uint256	- the price of token (used in verifying the signature)
_priceDecimals	uint8	- the price decimals (used in verifying the signature)
validTo	uint256	- the timestamp in seconds (used in verifying the signature)
signature	bytes	- the backend signature of secp256k1. length is 65 bytes

Returns

Name	Type	Description
priceMantissa	uint256	undefined
priceDecimals	uint8	undefined

grandModerator

function grandModerator(address newModerator) external nonpayable

Parameters

Name	Type	Description
newModerator	address	undefined

initialize

function initialize() external nonpayable

revokeModerator

function revokeModerator(address moderator) external nonpayable

Parameters

Name	Type	Description
moderator	address	undefined

setTokenAndPriceProvider

function setTokenAndPriceProvider(address token, address priceProvider, bool hasFunctionWithSign) external nonpayable

Parameters

Name	Type	Description
token	address	undefined
priceProvider	address	undefined
hasFunctionWithSign	bool	undefined

tokenPriceProvider

function tokenPriceProvider(address projectToken) external view returns (address priceProvider, bool hasSignedFunction)

Parameters

Name	Type	Description
projectToken	address	undefined

Returns

Name	Type	Description
priceProvider	address	undefined
hasSignedFunction	bool	undefined

usdDecimals

function usdDecimals() external view returns (uint8)

Returns

Name	Type	Description
_0	uint8	undefined

Events

ChangeActive

event ChangeActive(address indexed who, address indexed priceProvider, address indexed token, bool active)

Parameters

Name	Type	Description
who indexed	address	undefined
priceProvider indexed	address	undefined
token indexed	address	undefined
active	bool	undefined

GrandModeratorRole

event GrandModeratorRole(address indexed who, address indexed newModerator)

Parameters

Name	Type	Description
who indexed	address	undefined
newModerator indexed	address	undefined

RevokeModeratorRole

event RevokeModeratorRole(address indexed who, address indexed moderator)

Parameters

Name	Type	Description
who indexed	address	undefined
moderator indexed	address	undefined

SetTokenAndPriceProvider

event SetTokenAndPriceProvider(address indexed who, address indexed token, address indexed priceProvider)

Parameters

Name	Type	Description
who indexed	address	undefined
token indexed	address	undefined
priceProvider indexed	address	undefined