PriceOracle

Stores and validates the current NAV price for the zTOKEN. Non-upgradeable to maximize trust. Price is expressed in configurable decimal units (default: cents) and normalized to base-18 when read by vault contracts.

Function	Access	Description
setPrice(price)	PRICE_ADMIN_ROLE	Submit a new NAV price. Runs the tolerance check. Reverts with ToleranceExceeded if the deviation is too large.
getDataInBase18()	View (public)	Returns the current price normalized to 18 decimals. Reverts with StalePrice if the last update is older than maxStaleness.
setTolerancePercent(bps)	CONFIG_ROLE	Update the maximum allowed price deviation in basis points.
setPriceDecimals(decimals)	CONFIG_ROLE	Update the input decimal precision (must be 18 or fewer).
setMaxStaleness(seconds)	CONFIG_ROLE	Update the maximum age of a valid price in seconds.
getPriceAge()	View (public)	Returns seconds elapsed since the last price update.
isPriceStale(maxAge)	View (public)	Returns true if getPriceAge() is greater than maxAge.