Submitted by xYrYuYx
https://github.com/code-423n4/2021-11-vader/blob/main/contracts/twap/TwapOracle.sol#L166
tUSDInUSDV can be smaller than tUSDInVader, and then getRate will return 0.
This will lead wrong rate calculation.
Manually
Multiple enough decimals before division
SamSteinGG (Vader) confirmed
