Fix GetInputAmount formula

cosmos · Jul 22, 2019 · 6398e9b · 6398e9b
1 parent e640d5a
commit 6398e9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/x/coinswap/internal/keeper/swap.go b/x/coinswap/internal/keeper/swap.go
@@ -40,7 +40,7 @@ func (k Keeper) GetInputAmount(ctx sdk.Context, outputAmt sdk.Int, inputDenom, o
 	outputBalance := reservePool.AmountOf(outputDenom)
 	fee := k.GetFeeParam(ctx)
 
-	numerator := inputBalance.Mul(outputBalance).Mul(fee.Denominator)
+	numerator := inputBalance.Mul(outputAmt).Mul(fee.Denominator)
 	denominator := (outputBalance.Sub(outputAmt)).Mul(fee.Numerator)
 	return numerator.Quo(denominator).Add(sdk.OneInt())
 }