Currency price feed/FX data oracle

Hi all,

I’m interested to know if there’s any further information as to how diem would reference fx rates/price data onchain in order to maintain pegs with its various token baskets/products?

Given it would need off-chain data to continuously update the prices, I assume an oracle will be required?

Is there any intention to use decentralised oracle provider(s), or will something be built in house and rely on your internal price feed data to always be correct and a single source of truth?