Function pallet_pool_system::tranches::calculate_risk_buffers

pub fn calculate_risk_buffers<Balance, BalanceRatio>(
    tranche_supplies: &[Balance],
    tranche_prices: &[BalanceRatio]
) -> Result<Vec<Perquintill>, DispatchError>
where
    BalanceRatio: Copy + FixedPointNumber,
    Balance: Copy + BaseArithmetic + FixedPointOperand + Unsigned + From<u64> + MultiplyRational,