OSDN Git Service

Mov (#518)
[bytom/vapor.git] / application / mov / database / mov_store_test.go
index f212ae0..aeb9c3f 100644 (file)
@@ -10,10 +10,8 @@ import (
        "github.com/stretchr/testify/require"
 
        "github.com/bytom/vapor/application/mov/common"
-       "github.com/bytom/vapor/consensus"
        "github.com/bytom/vapor/database/leveldb"
        dbm "github.com/bytom/vapor/database/leveldb"
-       chainjson "github.com/bytom/vapor/encoding/json"
        "github.com/bytom/vapor/protocol/bc"
        "github.com/bytom/vapor/protocol/bc/types"
        "github.com/bytom/vapor/testutil"
@@ -28,31 +26,203 @@ var (
        assetID6 = &bc.AssetID{V0: 6}
        assetID7 = &bc.AssetID{V0: 7}
        assetID8 = &bc.AssetID{V0: 8}
-)
 
-func TestCalcUTXOHash(t *testing.T) {
-       wantHash := "7cbaf92f950f2a6bededd6cc5ec08c924505f5365b0a8af963e1d52912c99667"
-       controlProgramStr := "0014ab5acbea076f269bfdc8ededbed7d0a13e6e0b19"
-
-       var controlProgram chainjson.HexBytes
-       controlProgram.UnmarshalText([]byte(controlProgramStr))
-
-       sourceID := testutil.MustDecodeHash("ca2faf5fcbf8ee2b43560a32594f608528b12a1fe79cee85252564f886f91060")
-       order := &common.Order{
-               FromAssetID: consensus.BTMAssetID,
-               Utxo: &common.MovUtxo{
-                       SourceID:       &sourceID,
-                       SourcePos:      0,
-                       Amount:         31249300000,
-                       ControlProgram: controlProgram[:],
+       mockOrders = []*common.Order{
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   100090,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 21},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   90,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 22},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   97,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 23},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   98,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 13},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   98,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 24},
+                               Amount:         10,
+                               SourcePos:      1,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   99,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 24},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   96,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 25},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   95,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 26},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   90,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 1},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID1,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   90,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 2},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID3,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   96,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 33},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID4,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   95,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 34},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID4,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   96,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 36},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID5,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   96,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 37},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
+               },
+               &common.Order{
+                       FromAssetID:      assetID6,
+                       ToAssetID:        assetID2,
+                       RatioNumerator:   98,
+                       RatioDenominator: 100000,
+                       Utxo: &common.MovUtxo{
+                               SourceID:       &bc.Hash{V0: 38},
+                               Amount:         1,
+                               SourcePos:      0,
+                               ControlProgram: []byte("aa"),
+                       },
                },
        }
+)
+
+func TestGetAssetIDFromTradePairKey(t *testing.T) {
+       b := calcTradePairKey(assetID1, assetID2)
+       gotA := getAssetIDFromTradePairKey(b, fromAssetIDPos)
+       gotB := getAssetIDFromTradePairKey(b, toAssetIDPos)
 
-       hash := calcUTXOHash(order)
-       if hash.String() != wantHash {
-               t.Fatal("The function is incorrect")
+       if *gotA != *assetID1 {
+               t.Fatalf("got wrong from asset id got %s, want %s", gotA.String(), assetID1.String())
        }
 
+       if *gotB != *assetID2 {
+               t.Fatalf("got wrong to asset id got %s, want %s", gotB.String(), assetID2.String())
+       }
 }
 
 func TestSortOrderKey(t *testing.T) {
@@ -75,15 +245,16 @@ func TestSortOrderKey(t *testing.T) {
        }
 
        cases := []struct {
-               orders []common.Order
+               orders []*common.Order
                want   []expectedData
        }{
                {
-                       orders: []common.Order{
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        1.00090,
+                       orders: []*common.Order{
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   100090,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 21},
                                                Amount:         1,
@@ -91,10 +262,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00090,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   90,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 22},
                                                Amount:         1,
@@ -102,10 +274,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00097,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   97,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 23},
                                                Amount:         1,
@@ -113,10 +286,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00098,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   98,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 13},
                                                Amount:         1,
@@ -124,10 +298,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00098,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   98,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 24},
                                                Amount:         10,
@@ -135,10 +310,47 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00099,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   98,
+                                       RatioDenominator: 100000,
+                                       Utxo: &common.MovUtxo{
+                                               SourceID:       &bc.Hash{V0: 25},
+                                               Amount:         10,
+                                               SourcePos:      1,
+                                               ControlProgram: []byte("aa"),
+                                       },
+                               },
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   98,
+                                       RatioDenominator: 100000,
+                                       Utxo: &common.MovUtxo{
+                                               SourceID:       &bc.Hash{V0: 26},
+                                               Amount:         10,
+                                               SourcePos:      1,
+                                               ControlProgram: []byte("aa"),
+                                       },
+                               },
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   98,
+                                       RatioDenominator: 100000,
+                                       Utxo: &common.MovUtxo{
+                                               SourceID:       &bc.Hash{V0: 27},
+                                               Amount:         10,
+                                               SourcePos:      1,
+                                               ControlProgram: []byte("aa"),
+                                       },
+                               },
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   99,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 24},
                                                Amount:         1,
@@ -146,10 +358,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00096,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   96,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 25},
                                                Amount:         1,
@@ -157,10 +370,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00095,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   95,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 26},
                                                Amount:         1,
@@ -168,10 +382,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00091,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   91,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 26},
                                                Amount:         1,
@@ -179,10 +394,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00092,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   92,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 27},
                                                Amount:         1,
@@ -190,10 +406,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00093,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   93,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 28},
                                                Amount:         1,
@@ -201,10 +418,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00094,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   94,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 29},
                                                Amount:         1,
@@ -212,10 +430,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00077,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   77,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 30},
                                                Amount:         1,
@@ -223,10 +442,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        0.00088,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   88,
+                                       RatioDenominator: 100000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 31},
                                                Amount:         1,
@@ -234,10 +454,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        999999.9521,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   9999999521,
+                                       RatioDenominator: 10000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 32},
                                                Amount:         1,
@@ -245,10 +466,11 @@ func TestSortOrderKey(t *testing.T) {
                                                ControlProgram: []byte("aa"),
                                        },
                                },
-                               common.Order{
-                                       FromAssetID: &bc.AssetID{V0: 1},
-                                       ToAssetID:   &bc.AssetID{V0: 0},
-                                       Rate:        888888.7954,
+                               &common.Order{
+                                       FromAssetID:      &bc.AssetID{V0: 1},
+                                       ToAssetID:        &bc.AssetID{V0: 0},
+                                       RatioNumerator:   8888887954,
+                                       RatioDenominator: 10000,
                                        Utxo: &common.MovUtxo{
                                                SourceID:       &bc.Hash{V0: 33},
                                                Amount:         1,
@@ -300,10 +522,22 @@ func TestSortOrderKey(t *testing.T) {
                                },
                                expectedData{
                                        rate:     0.00098,
+                                       utxoHash: "14b51a6103f75d9cacdf0f9551467588c687ed3b029e25c646d276720569e227",
+                               },
+                               expectedData{
+                                       rate:     0.00098,
                                        utxoHash: "1fa9fae83d0a5401a4e92f80636966486e763eecca588aa11dff02b415320602",
                                },
                                expectedData{
                                        rate:     0.00098,
+                                       utxoHash: "6687d18ddbe4e7381a844e393ca3032a412285c9da6988eff182106e28ba09ca",
+                               },
+                               expectedData{
+                                       rate:     0.00098,
+                                       utxoHash: "841b1de7c871dfe6e2d1886809d9ae12ec45e570233b03879305232b096fda43",
+                               },
+                               expectedData{
+                                       rate:     0.00098,
                                        utxoHash: "a4bc534c267d35a9eafc25cd66e0cb270a2537a51186605b7f7591bc567ab4c6",
                                },
                                expectedData{
@@ -328,7 +562,7 @@ func TestSortOrderKey(t *testing.T) {
 
        for i, c := range cases {
                for _, order := range c.orders {
-                       key := calcOrderKey(order.FromAssetID, order.ToAssetID, calcUTXOHash(&order), order.Rate)
+                       key := calcOrderKey(order.FromAssetID, order.ToAssetID, order.UTXOHash(), order.Rate())
                        data, err := json.Marshal(order.Utxo)
                        if err != nil {
                                t.Fatal(err)
@@ -338,7 +572,6 @@ func TestSortOrderKey(t *testing.T) {
                }
 
                got := []expectedData{}
-
                itr := db.IteratorPrefixWithStart(nil, nil, false)
                for itr.Next() {
                        key := itr.Key()
@@ -347,9 +580,8 @@ func TestSortOrderKey(t *testing.T) {
                        copy(b[:], key[pos+8:])
                        utxoHash := bc.NewHash(b)
 
-                       rate := getRateFromOrderKey(key, ordersPrefix)
                        got = append(got, expectedData{
-                               rate:     rate,
+                               rate:     getRateFromOrderKey(key),
                                utxoHash: utxoHash.String(),
                        })
                }
@@ -358,7 +590,6 @@ func TestSortOrderKey(t *testing.T) {
                if !testutil.DeepEqual(c.want, got) {
                        t.Errorf("case %v: got recovery status, got: %v, want: %v.", i, got, c.want)
                }
-
        }
 }
 
@@ -378,1584 +609,210 @@ func TestMovStore(t *testing.T) {
                {
                        desc: "add order",
                        addOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       blockHeader: &types.BlockHeader{Height: 1, PreviousBlockHash: bc.Hash{V0: 524821139490765641, V1: 2484214155808702787, V2: 9108473449351508820, V3: 7972721253564512122}},
+                       wantOrders: []*common.Order{
+                               mockOrders[1],
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
+                       },
+                       wantTradePairs: []*common.TradePair{
+                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 8},
+                       },
+                       wantDBState: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+               },
+               {
+                       desc: "del some order",
+                       beforeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       beforeTradePairs: []*common.TradePair{
+                               &common.TradePair{
                                        FromAssetID: assetID1,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
+                                       Count:       8,
                                },
-                               &common.Order{
+                       },
+                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       delOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                       },
+                       blockHeader: &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       wantOrders: []*common.Order{
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                       },
+                       wantTradePairs: []*common.TradePair{
+                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 5},
+                       },
+                       wantDBState: &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
+               },
+               {
+                       desc: "del all order",
+                       beforeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       beforeTradePairs: []*common.TradePair{
+                               &common.TradePair{
                                        FromAssetID: assetID1,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
+                                       Count:       8,
                                },
-                               &common.Order{
+                       },
+                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       delOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       blockHeader:    &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       wantOrders:     []*common.Order{},
+                       wantTradePairs: []*common.TradePair{},
+                       wantDBState:    &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
+               },
+               {
+                       desc: "Add and delete the same trade pair", // Add and delete different transaction pairs
+                       beforeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       beforeTradePairs: []*common.TradePair{
+                               &common.TradePair{
                                        FromAssetID: assetID1,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
+                                       Count:       8,
                                },
                        },
-                       blockHeader: &types.BlockHeader{Height: 1, PreviousBlockHash: bc.Hash{V0: 524821139490765641, V1: 2484214155808702787, V2: 9108473449351508820, V3: 7972721253564512122}},
+                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       addOrders: []*common.Order{
+                               mockOrders[8],
+                               mockOrders[9],
+                       },
+                       delOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       blockHeader: &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
                        wantOrders: []*common.Order{
-                               &common.Order{
+                               mockOrders[9],
+                               mockOrders[8],
+                       },
+                       wantTradePairs: []*common.TradePair{
+                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 2},
+                       },
+                       wantDBState: &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
+               },
+               {
+                       desc: "Add and delete different transaction pairs",
+                       beforeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                               mockOrders[10],
+                               mockOrders[11],
+                       },
+                       beforeTradePairs: []*common.TradePair{
+                               &common.TradePair{
                                        FromAssetID: assetID1,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
+                                       Count:       8,
                                },
-                               &common.Order{
-                                       FromAssetID: assetID1,
+                               &common.TradePair{
+                                       FromAssetID: assetID3,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
+                                       Count:       1,
                                },
-                               &common.Order{
-                                       FromAssetID: assetID1,
+                               &common.TradePair{
+                                       FromAssetID: assetID4,
                                        ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       wantTradePairs: []*common.TradePair{
-                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 8},
-                       },
-                       wantDBState: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-               },
-               {
-                       desc: "del some order",
-                       beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       beforeTradePairs: []*common.TradePair{
-                               &common.TradePair{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Count:       8,
+                                       Count:       1,
                                },
                        },
                        beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
+                       addOrders: []*common.Order{
+                               mockOrders[12],
+                               mockOrders[13],
+                               mockOrders[14],
+                       },
                        delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                               mockOrders[10],
                        },
                        blockHeader: &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
                        wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[11],
+                               mockOrders[12],
+                               mockOrders[13],
+                               mockOrders[14],
                        },
                        wantTradePairs: []*common.TradePair{
-                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 5},
+                               &common.TradePair{FromAssetID: assetID4, ToAssetID: assetID2, Count: 2},
+                               &common.TradePair{FromAssetID: assetID5, ToAssetID: assetID2, Count: 1},
+                               &common.TradePair{FromAssetID: assetID6, ToAssetID: assetID2, Count: 1},
                        },
                        wantDBState: &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
                },
-               {
-                       desc: "del all order",
-                       beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       beforeTradePairs: []*common.TradePair{
-                               &common.TradePair{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Count:       8,
-                               },
-                       },
-                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       blockHeader:    &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       wantOrders:     []*common.Order{},
-                       wantTradePairs: []*common.TradePair{},
-                       wantDBState:    &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
-               },
-               {
-                       desc: "Add and delete the same trade pair", //Add and delete different transaction pairs
-                       beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       beforeTradePairs: []*common.TradePair{
-                               &common.TradePair{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Count:       8,
-                               },
-                       },
-                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       addOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 1},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 2},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       blockHeader: &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 2},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 1},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       wantTradePairs: []*common.TradePair{
-                               &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 2},
-                       },
-                       wantDBState: &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
-               },
-               {
-                       desc: "Add and delete different transaction pairs",
-                       beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID3,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 33},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID4,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 34},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       beforeTradePairs: []*common.TradePair{
-                               &common.TradePair{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Count:       8,
-                               },
-                               &common.TradePair{
-                                       FromAssetID: assetID3,
-                                       ToAssetID:   assetID2,
-                                       Count:       1,
-                               },
-                               &common.TradePair{
-                                       FromAssetID: assetID4,
-                                       ToAssetID:   assetID2,
-                                       Count:       1,
-                               },
-                       },
-                       beforeDBStatus: &common.MovDatabaseState{Height: 1, Hash: &bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       addOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID4,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 36},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID5,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 37},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID6,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 38},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID3,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 33},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       blockHeader: &types.BlockHeader{Height: 2, PreviousBlockHash: bc.Hash{V0: 14213576368347360351, V1: 16287398171800437029, V2: 9513543230620030445, V3: 8534035697182508177}},
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID4,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 34},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID4,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 36},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID5,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 37},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID6,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 38},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       wantTradePairs: []*common.TradePair{
-                               &common.TradePair{FromAssetID: assetID4, ToAssetID: assetID2, Count: 2},
-                               &common.TradePair{FromAssetID: assetID5, ToAssetID: assetID2, Count: 1},
-                               &common.TradePair{FromAssetID: assetID6, ToAssetID: assetID2, Count: 1},
-                       },
-                       wantDBState: &common.MovDatabaseState{Height: 2, Hash: &bc.Hash{V0: 3724755213446347384, V1: 158878632373345042, V2: 18283800951484248781, V3: 7520797730449067221}},
-               },
-       }
-
-       initBlockHeader := &types.BlockHeader{
-               Height:  0,
-               Version: 1,
-       }
-
-       height := initBlockHeader.Height
-       hash := initBlockHeader.Hash()
-
-       defer os.RemoveAll("temp")
-       for i, c := range cases {
-               testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
-               }
-
-               batch := movStore.db.NewBatch()
-               tradePairsCnt := make(map[common.TradePair]int)
-               movStore.addOrders(batch, c.beforeOrders, tradePairsCnt)
-               if len(c.beforeOrders) > 0 {
-                       tradePairsCnt = make(map[common.TradePair]int)
-                       for _, tradePair := range c.beforeTradePairs {
-                               tradePairsCnt[*tradePair] = tradePair.Count
-                       }
-                       movStore.updateTradePairs(batch, tradePairsCnt)
-                       movStore.saveMovDatabaseState(batch, c.beforeDBStatus)
-               }
-               batch.Write()
-
-               if err := movStore.ProcessOrders(c.addOrders, c.delOrders, c.blockHeader); err != nil {
-                       t.Fatalf("case %d: ProcessOrders error %v.", i, err)
-               }
-
-               var gotOrders []*common.Order
-
-               tmp, err := movStore.ListOrders(&common.Order{FromAssetID: assetID1, ToAssetID: assetID2, Rate: 0})
-               if err != nil {
-                       t.Fatalf("case %d: ListOrders(assetID1 and assetID2) error %v.", i, err)
-               }
-
-               gotOrders = append(gotOrders, tmp...)
-
-               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID3, ToAssetID: assetID2, Rate: 0})
-               if err != nil {
-                       t.Fatalf("case %d: ListOrders(assetID3 and assetID2)  error %v.", i, err)
-               }
-
-               gotOrders = append(gotOrders, tmp...)
-
-               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID4, ToAssetID: assetID2, Rate: 0})
-               if err != nil {
-                       t.Fatalf("case %d: ListOrders(assetID4 and assetID2)  error %v.", i, err)
-               }
-
-               gotOrders = append(gotOrders, tmp...)
-
-               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID5, ToAssetID: assetID2, Rate: 0})
-               if err != nil {
-                       t.Fatalf("case %d: ListOrders(assetID5 and assetID2)  error %v.", i, err)
-               }
-
-               gotOrders = append(gotOrders, tmp...)
-
-               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID6, ToAssetID: assetID2, Rate: 0})
-               if err != nil {
-                       t.Fatalf("case %d: ListOrders(assetID6 and assetID2)  error %v.", i, err)
-               }
-
-               gotOrders = append(gotOrders, tmp...)
-
-               if !testutil.DeepEqual(gotOrders, c.wantOrders) {
-                       t.Fatalf("case %d: got orders , gotOrders: %v, wantOrders: %v.", i, gotOrders, c.wantOrders)
-               }
-
-               gotTradePairs, err := movStore.ListTradePairsWithStart(nil, nil)
-               if err != nil {
-                       t.Fatalf("case %d: ListTradePairsWithStart error %v.", i, err)
-               }
-
-               if !testutil.DeepEqual(gotTradePairs, c.wantTradePairs) {
-                       t.Fatalf("case %d: got tradePairs, gotTradePairs: %v, wantTradePairs: %v.", i, gotTradePairs, c.wantTradePairs)
-               }
-
-               gotDBState, err := movStore.GetMovDatabaseState()
-               if err != nil {
-                       t.Fatalf("case %d: GetMovDatabaseState error %v.", i, err)
-               }
-
-               if !testutil.DeepEqual(gotDBState, c.wantDBState) {
-                       t.Fatalf("case %d: got tradePairs, gotDBState: %v, wantDBStatus: %v.", i, gotDBState, c.wantDBState)
-               }
-
-               testDB.Close()
-               os.RemoveAll("temp")
-       }
-}
-
-func TestListOrders(t *testing.T) {
-       cases := []struct {
-               desc        string
-               storeOrders []*common.Order
-               query       *common.Order
-               wantOrders  []*common.Order
-       }{
-               {
-                       desc:       "empty",
-                       query:      &common.Order{FromAssetID: assetID1, ToAssetID: assetID2},
-                       wantOrders: []*common.Order{},
-               },
-               {
-                       desc: "query from first",
-                       storeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       query: &common.Order{FromAssetID: assetID1, ToAssetID: assetID2},
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-               },
-               {
-                       desc: "query from middle",
-                       storeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       query: &common.Order{
-                               FromAssetID: assetID1,
-                               ToAssetID:   assetID2,
-                               Rate:        0.00098,
-                               Utxo: &common.MovUtxo{
-                                       SourceID:       &bc.Hash{V0: 13},
-                                       Amount:         1,
-                                       SourcePos:      0,
-                                       ControlProgram: []byte("aa"),
-                               },
-                       },
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-               },
        }
 
        initBlockHeader := &types.BlockHeader{
@@ -1969,404 +826,239 @@ func TestListOrders(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()
-               tradePairsCnt := make(map[common.TradePair]int)
-               movStore.addOrders(batch, c.storeOrders, tradePairsCnt)
-               movStore.updateTradePairs(batch, tradePairsCnt)
+               tradePairsCnt := make(map[string]*common.TradePair)
+               movStore.addOrders(batch, c.beforeOrders, tradePairsCnt)
+               if len(c.beforeOrders) > 0 {
+                       tradePairsCnt = make(map[string]*common.TradePair)
+                       for _, tradePair := range c.beforeTradePairs {
+                               tradePairsCnt[tradePair.Key()] = tradePair
+                       }
+                       movStore.updateTradePairs(batch, tradePairsCnt)
+                       movStore.saveMovDatabaseState(batch, c.beforeDBStatus)
+               }
                batch.Write()
 
-               gotOrders, err := movStore.ListOrders(c.query)
+               if err := movStore.ProcessOrders(c.addOrders, c.delOrders, c.blockHeader); err != nil {
+                       t.Fatalf("case %d: ProcessOrders error %v.", i, err)
+               }
+
+               var gotOrders []*common.Order
+
+               tmp, err := movStore.ListOrders(&common.Order{FromAssetID: assetID1, ToAssetID: assetID2, RatioNumerator: 0, RatioDenominator: 1})
                if err != nil {
-                       t.Fatalf("case %d: ListOrders error %v.", i, err)
+                       t.Fatalf("case %d: ListOrders(assetID1 and assetID2) error %v.", i, err)
                }
 
-               if !testutil.DeepEqual(gotOrders, c.wantOrders) {
-                       t.Fatalf("case %d: got orders , gotOrders: %v, wantOrders: %v.", i, gotOrders, c.wantOrders)
+               gotOrders = append(gotOrders, tmp...)
+
+               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID3, ToAssetID: assetID2, RatioNumerator: 0, RatioDenominator: 1})
+               if err != nil {
+                       t.Fatalf("case %d: ListOrders(assetID3 and assetID2)  error %v.", i, err)
                }
 
-               testDB.Close()
-               os.RemoveAll("temp")
-       }
-}
+               gotOrders = append(gotOrders, tmp...)
 
-func TestAddOrders(t *testing.T) {
-       cases := []struct {
-               desc         string
-               beforeOrders []*common.Order
-               addOrders    []*common.Order
-               wantOrders   []*common.Order
-       }{
-               {
-                       desc: "empty",
-                       addOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                       },
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID4, ToAssetID: assetID2, RatioNumerator: 0, RatioDenominator: 1})
+               if err != nil {
+                       t.Fatalf("case %d: ListOrders(assetID4 and assetID2)  error %v.", i, err)
+               }
+
+               gotOrders = append(gotOrders, tmp...)
+
+               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID5, ToAssetID: assetID2, RatioNumerator: 0, RatioDenominator: 1})
+               if err != nil {
+                       t.Fatalf("case %d: ListOrders(assetID5 and assetID2)  error %v.", i, err)
+               }
+
+               gotOrders = append(gotOrders, tmp...)
+
+               tmp, err = movStore.ListOrders(&common.Order{FromAssetID: assetID6, ToAssetID: assetID2, RatioNumerator: 0, RatioDenominator: 1})
+               if err != nil {
+                       t.Fatalf("case %d: ListOrders(assetID6 and assetID2)  error %v.", i, err)
+               }
+
+               gotOrders = append(gotOrders, tmp...)
+
+               if !testutil.DeepEqual(gotOrders, c.wantOrders) {
+                       t.Fatalf("case %d: got orders , gotOrders: %v, wantOrders: %v.", i, gotOrders, c.wantOrders)
+               }
+
+               gotTradePairs, err := movStore.ListTradePairsWithStart(nil, nil)
+               if err != nil {
+                       t.Fatalf("case %d: ListTradePairsWithStart error %v.", i, err)
+               }
+
+               if !testutil.DeepEqual(gotTradePairs, c.wantTradePairs) {
+                       t.Fatalf("case %d: got tradePairs, gotTradePairs: %v, wantTradePairs: %v.", i, gotTradePairs, c.wantTradePairs)
+               }
+
+               gotDBState, err := movStore.GetMovDatabaseState()
+               if err != nil {
+                       t.Fatalf("case %d: GetMovDatabaseState error %v.", i, err)
+               }
+
+               if !testutil.DeepEqual(gotDBState, c.wantDBState) {
+                       t.Fatalf("case %d: got tradePairs, gotDBState: %v, wantDBStatus: %v.", i, gotDBState, c.wantDBState)
+               }
+
+               testDB.Close()
+               os.RemoveAll("temp")
+       }
+}
+
+func TestListOrders(t *testing.T) {
+       cases := []struct {
+               desc        string
+               storeOrders []*common.Order
+               query       *common.Order
+               wantOrders  []*common.Order
+       }{
+               {
+                       desc:       "empty",
+                       query:      &common.Order{FromAssetID: assetID1, ToAssetID: assetID2},
+                       wantOrders: []*common.Order{},
+               },
+               {
+                       desc: "query from first",
+                       storeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                               mockOrders[10],
+                       },
+                       query: &common.Order{FromAssetID: assetID1, ToAssetID: assetID2},
+                       wantOrders: []*common.Order{
+                               mockOrders[1],
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
                        },
                },
                {
-                       desc: "Stored data already exists",
-                       beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                       desc: "query from middle",
+                       storeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       query: mockOrders[3],
+                       wantOrders: []*common.Order{
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
                        },
+               },
+       }
+
+       initBlockHeader := &types.BlockHeader{
+               Height:  0,
+               Version: 1,
+       }
+
+       height := initBlockHeader.Height
+       hash := initBlockHeader.Hash()
+
+       defer os.RemoveAll("temp")
+       for i, c := range cases {
+               testDB := dbm.NewDB("testdb", "leveldb", "temp")
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
+               }
+
+               batch := movStore.db.NewBatch()
+               tradePairsCnt := make(map[string]*common.TradePair)
+               movStore.addOrders(batch, c.storeOrders, tradePairsCnt)
+               movStore.updateTradePairs(batch, tradePairsCnt)
+               batch.Write()
+
+               gotOrders, err := movStore.ListOrders(c.query)
+               if err != nil {
+                       t.Fatalf("case %d: ListOrders error %v.", i, err)
+               }
+
+               if !testutil.DeepEqual(gotOrders, c.wantOrders) {
+                       t.Fatalf("case %d: got orders , gotOrders: %v, wantOrders: %v.", i, gotOrders, c.wantOrders)
+               }
+
+               testDB.Close()
+               os.RemoveAll("temp")
+       }
+}
+
+func TestAddOrders(t *testing.T) {
+       cases := []struct {
+               desc         string
+               beforeOrders []*common.Order
+               addOrders    []*common.Order
+               wantOrders   []*common.Order
+       }{
+               {
+                       desc: "empty",
                        addOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
                        },
-                       wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                       wantOrders: []*common.Order{
+                               mockOrders[1],
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
+                       },
+               },
+               {
+                       desc: "Stored data already exists",
+                       beforeOrders: []*common.Order{
+                               mockOrders[0],
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                       },
+                       addOrders: []*common.Order{
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
+                       },
+                       wantOrders: []*common.Order{
+                               mockOrders[1],
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
                        },
                },
        }
@@ -2382,18 +1074,18 @@ func TestAddOrders(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()
-               tradePairsCnt := make(map[common.TradePair]int)
+               tradePairsCnt := make(map[string]*common.TradePair)
                movStore.addOrders(batch, c.beforeOrders, tradePairsCnt)
                movStore.updateTradePairs(batch, tradePairsCnt)
                batch.Write()
 
-               tradePairsCnt = make(map[common.TradePair]int)
+               tradePairsCnt = make(map[string]*common.TradePair)
                movStore.addOrders(batch, c.addOrders, tradePairsCnt)
                batch.Write()
 
@@ -2422,28 +1114,8 @@ func TestDelOrders(t *testing.T) {
                {
                        desc: "empty",
                        delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[0],
+                               mockOrders[1],
                        },
                        wantOrders: []*common.Order{},
                        err:        errors.New("don't find trade pair"),
@@ -2451,260 +1123,40 @@ func TestDelOrders(t *testing.T) {
                {
                        desc: "Delete existing data",
                        beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[1],
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[0],
                        },
                        delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         10,
-                                               SourcePos:      1,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[4],
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
                        },
                        wantOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 22},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00097,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 23},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00098,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 13},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        1.00090,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 21},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[1],
+                               mockOrders[2],
+                               mockOrders[3],
+                               mockOrders[0],
                        },
                        err: nil,
                },
                {
                        desc: "Delete all data",
                        beforeOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[7],
+                               mockOrders[6],
+                               mockOrders[5],
                        },
                        delOrders: []*common.Order{
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00099,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 24},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00096,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 25},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
-                               &common.Order{
-                                       FromAssetID: assetID1,
-                                       ToAssetID:   assetID2,
-                                       Rate:        0.00095,
-                                       Utxo: &common.MovUtxo{
-                                               SourceID:       &bc.Hash{V0: 26},
-                                               Amount:         1,
-                                               SourcePos:      0,
-                                               ControlProgram: []byte("aa"),
-                                       },
-                               },
+                               mockOrders[5],
+                               mockOrders[6],
+                               mockOrders[7],
                        },
                        wantOrders: []*common.Order{},
                        err:        nil,
@@ -2722,18 +1174,18 @@ func TestDelOrders(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()
-               tradePairsCnt := make(map[common.TradePair]int)
+               tradePairsCnt := make(map[string]*common.TradePair)
                movStore.addOrders(batch, c.beforeOrders, tradePairsCnt)
                movStore.updateTradePairs(batch, tradePairsCnt)
                batch.Write()
 
-               tradePairsCnt = make(map[common.TradePair]int)
+               tradePairsCnt = make(map[string]*common.TradePair)
                movStore.deleteOrders(batch, c.delOrders, tradePairsCnt)
                movStore.updateTradePairs(batch, tradePairsCnt)
                batch.Write()
@@ -2755,7 +1207,7 @@ func TestDelOrders(t *testing.T) {
 func TestListTradePairsWithStart(t *testing.T) {
        cases := []struct {
                desc            string
-               storeTradePairs map[common.TradePair]int
+               storeTradePairs map[string]*common.TradePair
                query           *common.TradePair
                wantTradePairs  []*common.TradePair
        }{
@@ -2766,13 +1218,13 @@ func TestListTradePairsWithStart(t *testing.T) {
                },
                {
                        desc: "query from first",
-                       storeTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: 1,
-                               common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}: 2,
-                               common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}: 3,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: 4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: 5,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: 6,
+                       storeTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
+                               (&common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}).Key(): {FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
+                               (&common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}).Key(): {FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: 4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: 5},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: 6},
                        },
                        query: &common.TradePair{},
                        wantTradePairs: []*common.TradePair{
@@ -2786,14 +1238,14 @@ func TestListTradePairsWithStart(t *testing.T) {
                },
                {
                        desc: "query from middle",
-                       storeTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: 1,
-                               common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}: 2,
-                               common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}: 3,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: 4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: 5,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: 6,
-                               common.TradePair{FromAssetID: assetID6, ToAssetID: assetID8}: 7,
+                       storeTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
+                               (&common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}).Key(): {FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
+                               (&common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}).Key(): {FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: 4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: 5},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: 6},
+                               (&common.TradePair{FromAssetID: assetID6, ToAssetID: assetID8}).Key(): {FromAssetID: assetID6, ToAssetID: assetID8, Count: 7},
                        },
                        query: &common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
                        wantTradePairs: []*common.TradePair{
@@ -2816,9 +1268,9 @@ func TestListTradePairsWithStart(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()
@@ -2842,20 +1294,20 @@ func TestListTradePairsWithStart(t *testing.T) {
 func TestUpdateTradePairs(t *testing.T) {
        cases := []struct {
                desc             string
-               beforeTradePairs map[common.TradePair]int
-               addTradePairs    map[common.TradePair]int
-               delTradePairs    map[common.TradePair]int
+               beforeTradePairs map[string]*common.TradePair
+               addTradePairs    map[string]*common.TradePair
+               delTradePairs    map[string]*common.TradePair
                wantTradePairs   []*common.TradePair
        }{
                {
                        desc: "empty",
-                       addTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: 1,
-                               common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}: 2,
-                               common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}: 3,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: 4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: 5,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: 6,
+                       addTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
+                               (&common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}).Key(): {FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
+                               (&common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}).Key(): {FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: 4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: 5},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: 6},
                        },
                        wantTradePairs: []*common.TradePair{
                                &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
@@ -2868,15 +1320,15 @@ func TestUpdateTradePairs(t *testing.T) {
                },
                {
                        desc: "Stored data already exists",
-                       beforeTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: 1,
-                               common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}: 2,
-                               common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}: 3,
+                       beforeTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
+                               (&common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}).Key(): {FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
+                               (&common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}).Key(): {FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
                        },
-                       addTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: 4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: 5,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: 6,
+                       addTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: 4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: 5},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: 6},
                        },
                        wantTradePairs: []*common.TradePair{
                                &common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
@@ -2889,19 +1341,19 @@ func TestUpdateTradePairs(t *testing.T) {
                },
                {
                        desc: "delete some data",
-                       beforeTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: 1,
-                               common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}: 2,
-                               common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}: 3,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: 4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: 5,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: 6,
-                       },
-                       delTradePairs: map[common.TradePair]int{
-                               common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}: -1,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}: -4,
-                               common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}: -2,
-                               common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}: -4,
+                       beforeTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: 1},
+                               (&common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3}).Key(): {FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
+                               (&common.TradePair{FromAssetID: assetID3, ToAssetID: assetID4}).Key(): {FromAssetID: assetID3, ToAssetID: assetID4, Count: 3},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: 4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: 5},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: 6},
+                       },
+                       delTradePairs: map[string]*common.TradePair{
+                               (&common.TradePair{FromAssetID: assetID1, ToAssetID: assetID2}).Key(): {FromAssetID: assetID1, ToAssetID: assetID2, Count: -1},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID5}).Key(): {FromAssetID: assetID4, ToAssetID: assetID5, Count: -4},
+                               (&common.TradePair{FromAssetID: assetID4, ToAssetID: assetID6}).Key(): {FromAssetID: assetID4, ToAssetID: assetID6, Count: -2},
+                               (&common.TradePair{FromAssetID: assetID5, ToAssetID: assetID7}).Key(): {FromAssetID: assetID5, ToAssetID: assetID7, Count: -4},
                        },
                        wantTradePairs: []*common.TradePair{
                                &common.TradePair{FromAssetID: assetID2, ToAssetID: assetID3, Count: 2},
@@ -2923,9 +1375,9 @@ func TestUpdateTradePairs(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()
@@ -2995,9 +1447,9 @@ func TestCheckMovDatabaseState(t *testing.T) {
        defer os.RemoveAll("temp")
        for i, c := range cases {
                testDB := dbm.NewDB("testdb", "leveldb", "temp")
-               movStore, err := NewMovStore(testDB, height, &hash)
-               if err != nil {
-                       t.Fatalf("case %d: NewMovStore error %v.", i, err)
+               movStore := NewLevelDBMovStore(testDB)
+               if err := movStore.InitDBState(height, &hash); err != nil {
+                       t.Fatalf("case %d: InitDBState error %v.", i, err)
                }
 
                batch := movStore.db.NewBatch()