refine requires & comments

2020-06-26 13:08:22 +08:00
parent bbe8d879fb
commit a4307c2f74
2 changed files with 35 additions and 35 deletions
--- a/contracts/impl/Trader.sol
+++ b/contracts/impl/Trader.sol
@@ -223,6 +223,7 @@ contract Trader is Storage, Pricing, Settlement {
            // complex case, R status may change
            if (buyBaseAmount < backToOneReceiveBase) {
                // case 3.1: R status do not change
+                // no need to check payQuote because spare base token must be greater than zero
                payQuote = _RBelowBuyBaseToken(buyBaseAmount, _QUOTE_BALANCE_, newQuoteTarget);
                newRStatus = Types.RStatus.BELOW_ONE;
            } else if (buyBaseAmount == backToOneReceiveBase) {