Add unit test

modules/market/internal/types/order.go

@@ -1,6 +1,8 @@
 package types
 
 import (
+	"fmt"
+
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/coinexchain/cet-sdk/types"
@@ -49,15 +51,18 @@ func (or *Order) CalActualOrderCommissionInt64(feeForZeroDeal int64) int64 {
 
 func (or *Order) CalActualOrderFeatureFeeInt64(ctx sdk.Context, freeTimeBlocks int64) int64 {
 	if or.ExistBlocks <= freeTimeBlocks {
+		fmt.Println("======")
 		return 0
 	}
 	existTime := ctx.BlockHeight() - or.Height + 1
 	if existTime < freeTimeBlocks {
+		fmt.Println("---------")
 		return 0
 	}
 	chargeBlocks := existTime - freeTimeBlocks
 	fee := sdk.NewDec(chargeBlocks).MulInt64(or.FrozenFeatureFee).QuoInt64(or.ExistBlocks - freeTimeBlocks).TruncateInt64()
 	if fee > or.FrozenFeatureFee {
+		fmt.Println("***********")
 		fee = or.FrozenFeatureFee
 	}
 	return fee

modules/market/internal/types/order_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"math"
+	"math/rand"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -96,3 +97,58 @@ func TestOrder_CalActualOrderFeatureFeeInt64(t *testing.T) {
 	fee = order.CalActualOrderFeatureFeeInt64(ctx, 200)
 	require.EqualValues(t, 0, fee)
 }
+
+func TestFuzz_CalActualOrderCommissionInt64(t *testing.T) {
+	param := DefaultParams()
+	r := rand.New(rand.NewSource(2))
+	addr, _ := sdk.AccAddressFromHex("0123456789012345678901234567890123423456")
+	for i := 0; i < 500; i++ {
+		or := getRandOrder(r, addr, &param)
+		or.CalActualOrderCommissionInt64(param.FeeForZeroDeal)
+	}
+}
+
+func TestFuzz_CalActualOrderFeatureFeeInt64(t *testing.T) {
+	ctx := sdk.Context{}
+	param := DefaultParams()
+	r := rand.New(rand.NewSource(2))
+	addr, _ := sdk.AccAddressFromHex("0123456789012345678901234567890123423456")
+
+	for i := 0; i < 500; i++ {
+		ctx = ctx.WithBlockHeight(r.Int63n(10000))
+		or := getRandOrder(r, addr, &param)
+		or.CalActualOrderFeatureFeeInt64(ctx, param.GTEOrderLifetime)
+	}
+}
+
+func getRandOrder(r *rand.Rand, addr sdk.AccAddress, param *Params) *Order {
+	side := SELL
+	if r.Int31n(2) == 1 {
+		side = BUY
+	}
+	tif := GTE
+	if r.Int31n(4)%3 == 0 {
+		tif = IOC
+	}
+	or := Order{
+		Sender:           addr,
+		Sequence:         r.Uint64(),
+		Identify:         0,
+		TradingPair:      "abc/cet",
+		OrderType:        LimitOrder,
+		Price:            sdk.NewDec(r.Int63n(1000000)),
+		Quantity:         r.Int63n(100000),
+		Side:             byte(side),
+		TimeInForce:      int64(tif),
+		Height:           r.Int63n(10000),
+		FrozenCommission: r.Int63n(param.FeeForZeroDeal * 1000),
+		ExistBlocks:      r.Int63n(param.GTEOrderLifetime * 100),
+		FrozenFeatureFee: r.Int63n(param.FeeForZeroDeal * 100),
+		FrozenFee:        r.Int63n(10000),
+		LeftStock:        0,
+		Freeze:           0,
+		DealStock:        r.Int63n(10000),
+		DealMoney:        r.Int63n(10000),
+	}
+	return &or
+}