[curreny situation] if i want to sell 1 bitUSD for bts that equals to 1 usd, i have to calculate by myself, and if the price changed later, i have to retract my sell and re-calculate.
[proposal] add the option for dummies like me to sell bitUSD (and other BTA) in just the usd feed price of bts, and the exact number would change accordingly to the bts/usd price