twap: add stream executor test

pkg/twap/v2/stream_executor.go

@@ -90,9 +90,11 @@ type FixedQuantityExecutor struct {
 
 	market           types.Market
 	marketDataStream types.Stream
+
 	orderBook *types.StreamOrderBook
 
 	userDataStream types.Stream
+
 	activeMakerOrders *bbgo.ActiveOrderBook
 	orderStore        *core.OrderStore
 	position          *types.Position
@@ -102,6 +104,8 @@ type FixedQuantityExecutor struct {
 
 	mu sync.Mutex
 
+	userDataStreamConnectC   chan struct{}
+	marketDataStreamConnectC chan struct{}
 	done                     *DoneSignal
 }
 
@@ -112,10 +116,25 @@ func NewStreamExecutor(
 	side types.SideType,
 	targetQuantity, sliceQuantity fixedpoint.Value,
 ) *FixedQuantityExecutor {
+
+	marketDataStream := exchange.NewStream()
+	marketDataStream.SetPublicOnly()
+	marketDataStream.Subscribe(types.BookChannel, symbol, types.SubscribeOptions{
+		Depth: types.DepthLevelMedium,
+	})
+
+	orderBook := types.NewStreamBook(symbol)
+	orderBook.BindStream(marketDataStream)
+
+	userDataStream := exchange.NewStream()
 	orderStore := core.NewOrderStore(symbol)
 	position := types.NewPositionFromMarket(market)
 	tradeCollector := core.NewTradeCollector(symbol, position, orderStore)
-	return &FixedQuantityExecutor{
+	orderStore.BindStream(userDataStream)
+
+	activeMakerOrders := bbgo.NewActiveOrderBook(symbol)
+
+	e := &FixedQuantityExecutor{
 		exchange:       exchange,
 		symbol:         symbol,
 		side:           side,
@@ -128,11 +147,43 @@ func NewStreamExecutor(
 			"symbol":   symbol,
 		}),
 
+		marketDataStream: marketDataStream,
+		orderBook:        orderBook,
+
+		userDataStream: userDataStream,
+
+		activeMakerOrders: activeMakerOrders,
 		orderStore:        orderStore,
 		tradeCollector:    tradeCollector,
 		position:          position,
 		done:              NewDoneSignal(),
+
+		userDataStreamConnectC:   make(chan struct{}),
+		marketDataStreamConnectC: make(chan struct{}),
 	}
+
+	e.tradeCollector.OnTrade(func(trade types.Trade, profit fixedpoint.Value, netProfit fixedpoint.Value) {
+		e.logger.Info(trade.String())
+	})
+	e.tradeCollector.BindStream(e.userDataStream)
+
+	activeMakerOrders.OnFilled(e.handleFilledOrder)
+	activeMakerOrders.BindStream(e.userDataStream)
+
+	e.marketDataStream.OnConnect(func() {
+		e.logger.Info("market data stream on connect")
+		close(e.marketDataStreamConnectC)
+		e.logger.Infof("marketDataStreamConnectC closed")
+	})
+
+	// private channels
+	e.userDataStream.OnAuth(func() {
+		e.logger.Info("user data stream on auth")
+		close(e.userDataStreamConnectC)
+		e.logger.Info("userDataStreamConnectC closed")
+	})
+
+	return e
 }
 
 func (e *FixedQuantityExecutor) SetDeadlineTime(t time.Time) {
@@ -270,11 +321,11 @@ func (e *FixedQuantityExecutor) updateOrder(ctx context.Context) error {
 	tickSpread := tickSize.Mul(numOfTicks)
 
 	// check and see if we need to cancel the existing active orders
+
 	for e.activeMakerOrders.NumOfOrders() > 0 {
 		orders := e.activeMakerOrders.Orders()
-
 		if len(orders) > 1 {
-			logrus.Warnf("more than 1 %s open orders in the strategy...", e.symbol)
+			e.logger.Warnf("found more than 1 %s open orders on the orderbook", e.symbol)
 		}
 
 		// get the first active order
@@ -397,39 +448,65 @@ func (e *FixedQuantityExecutor) getNewPrice() (fixedpoint.Value, error) {
 	return newPrice, nil
 }
 
-func (e *FixedQuantityExecutor) generateOrder() (orderForm *types.SubmitOrder, err error) {
+func (e *FixedQuantityExecutor) getRemainingQuantity() fixedpoint.Value {
+	base := e.position.GetBase()
+	return e.targetQuantity.Sub(base.Abs())
+}
+
+func (e *FixedQuantityExecutor) isDeadlineExceeded() bool {
+	if e.deadlineTime != nil && !e.deadlineTime.IsZero() {
+		return time.Since(*e.deadlineTime) > 0
+	}
+
+	return false
+}
+
+func (e *FixedQuantityExecutor) calculateNewOrderQuantity(price fixedpoint.Value) (fixedpoint.Value, error) {
+	minQuantity := e.market.MinQuantity
+	remainingQuantity := e.getRemainingQuantity()
+
+	if remainingQuantity.Sign() <= 0 {
+		e.cancelExecution()
+		return fixedpoint.Zero, nil
+	}
+
+	if remainingQuantity.Compare(minQuantity) < 0 {
+		e.logger.Warnf("can not continue placing orders, the remaining quantity %s is less than the min quantity %s", remainingQuantity.String(), minQuantity.String())
+
+		e.cancelExecution()
+		return fixedpoint.Zero, nil
+	}
+
+	// if deadline exceeded, we should return the remaining quantity
+	if e.isDeadlineExceeded() {
+		return remainingQuantity, nil
+	}
+
+	// when slice = 1000, if we only have 998, we should adjust our quantity to 998
+	orderQuantity := fixedpoint.Min(e.sliceQuantity, remainingQuantity)
+
+	// if the remaining quantity in the next round is not enough, we should merge the remaining quantity into this round
+	// if there are rest slices
+	nextRemainingQuantity := remainingQuantity.Sub(e.sliceQuantity)
+
+	if nextRemainingQuantity.Sign() > 0 && e.market.IsDustQuantity(nextRemainingQuantity, price) {
+		orderQuantity = remainingQuantity
+	}
+
+	orderQuantity = e.market.AdjustQuantityByMinNotional(orderQuantity, price)
+	return orderQuantity, nil
+}
+
+func (e *FixedQuantityExecutor) generateOrder() (*types.SubmitOrder, error) {
 	newPrice, err := e.getNewPrice()
 	if err != nil {
 		return nil, err
 	}
 
-	minQuantity := e.market.MinQuantity
+	orderQuantity, err := e.calculateNewOrderQuantity(newPrice)
-	base := e.position.GetBase()
+	if err != nil {
-
+		return nil, err
-	restQuantity := e.targetQuantity.Sub(base.Abs())
-
-	if restQuantity.Sign() <= 0 {
-		if e.cancelContextIfTargetQuantityFilled() {
-			return nil, nil
 	}
-	}
-
-	if restQuantity.Compare(minQuantity) < 0 {
-		return nil, fmt.Errorf("can not continue placing orders, rest quantity %s is less than the min quantity %s", restQuantity.String(), minQuantity.String())
-	}
-
-	// when slice = 1000, if we only have 998, we should adjust our quantity to 998
-	orderQuantity := fixedpoint.Min(e.sliceQuantity, restQuantity)
-
-	// if the rest quantity in the next round is not enough, we should merge the rest quantity into this round
-	// if there are rest slices
-	nextRestQuantity := restQuantity.Sub(e.sliceQuantity)
-	if nextRestQuantity.Sign() > 0 && nextRestQuantity.Compare(minQuantity) < 0 {
-		orderQuantity = restQuantity
-	}
-
-	minNotional := e.market.MinNotional
-	orderQuantity = bbgo.AdjustQuantityByMinAmount(orderQuantity, newPrice, minNotional)
 
 	balances, err := e.exchange.QueryAccountBalances(e.executionCtx)
 	if err != nil {
@@ -446,67 +523,55 @@ func (e *FixedQuantityExecutor) generateOrder() (orderForm *types.SubmitOrder, e
 	case types.SideTypeBuy:
 		// check base balance for sell, try to sell as more as possible
 		if b, ok := balances[e.market.QuoteCurrency]; ok {
-			orderQuantity = bbgo.AdjustQuantityByMaxAmount(orderQuantity, newPrice, b.Available)
+			orderQuantity = e.market.AdjustQuantityByMaxAmount(orderQuantity, newPrice, b.Available)
 		}
 	}
 
-	if e.deadlineTime != nil && !e.deadlineTime.IsZero() {
+	if e.isDeadlineExceeded() {
-		now := time.Now()
+		return &types.SubmitOrder{
-		if now.After(*e.deadlineTime) {
-			orderForm = &types.SubmitOrder{
 			Symbol:   e.symbol,
 			Side:     e.side,
 			Type:     types.OrderTypeMarket,
-				Quantity: restQuantity,
+			Quantity: orderQuantity,
 			Market:   e.market,
-			}
+		}, nil
-			return orderForm, nil
-		}
 	}
 
-	orderForm = &types.SubmitOrder{
+	return &types.SubmitOrder{
 		Symbol:      e.symbol,
 		Side:        e.side,
 		Type:        types.OrderTypeLimitMaker,
 		Quantity:    orderQuantity,
 		Price:       newPrice,
 		Market:      e.market,
-		TimeInForce: "GTC",
+		TimeInForce: types.TimeInForceGTC,
-	}
+	}, nil
-
-	return orderForm, err
 }
 
 func (e *FixedQuantityExecutor) Start(ctx context.Context) error {
-	if e.marketDataStream != nil {
+	if e.executionCtx != nil {
-		return errors.New("market data stream is not nil, you can't start the executor twice")
+		return errors.New("executionCtx is not nil, you can't start the executor twice")
 	}
 
 	e.executionCtx, e.cancelExecution = context.WithCancel(ctx)
 	e.userDataStreamCtx, e.cancelUserDataStream = context.WithCancel(ctx)
 
-	e.marketDataStream = e.exchange.NewStream()
-	e.marketDataStream.SetPublicOnly()
-	e.marketDataStream.Subscribe(types.BookChannel, e.symbol, types.SubscribeOptions{
-		Depth: types.DepthLevelMedium,
-	})
-
-	e.orderBook = types.NewStreamBook(e.symbol)
-	e.orderBook.BindStream(e.marketDataStream)
-
-	// private channels
-	e.userDataStream = e.exchange.NewStream()
-	e.orderStore.BindStream(e.userDataStream)
-	e.activeMakerOrders = bbgo.NewActiveOrderBook(e.symbol)
-	e.activeMakerOrders.OnFilled(e.handleFilledOrder)
-	e.activeMakerOrders.BindStream(e.userDataStream)
-	e.tradeCollector.OnTrade(func(trade types.Trade, profit fixedpoint.Value, netProfit fixedpoint.Value) {
-		e.logger.Info(trade.String())
-	})
-	e.tradeCollector.BindStream(e.userDataStream)
-
 	go e.connectMarketData(e.executionCtx)
 	go e.connectUserData(e.userDataStreamCtx)
+
+	e.logger.Infof("waiting for connections ready...")
+	if !selectSignalOrTimeout(ctx, e.marketDataStreamConnectC, 10*time.Second) {
+		e.cancelExecution()
+		return fmt.Errorf("market data stream connection timeout")
+	}
+
+	if !selectSignalOrTimeout(ctx, e.userDataStreamConnectC, 10*time.Second) {
+		e.cancelExecution()
+		return fmt.Errorf("user data stream connection timeout")
+	}
+
+	e.logger.Infof("connections ready, starting order updater...")
+
 	go e.orderUpdater(e.executionCtx)
 	return nil
 }
@@ -540,3 +605,14 @@ func (e *FixedQuantityExecutor) Shutdown(shutdownCtx context.Context) {
 		}
 	}
 }
+
+func selectSignalOrTimeout(ctx context.Context, c chan struct{}, timeout time.Duration) bool {
+	select {
+	case <-ctx.Done():
+		return false
+	case <-time.After(timeout):
+		return false
+	case <-c:
+		return true
+	}
+}

pkg/twap/v2/stream_executor_test.go

@@ -1,9 +1,120 @@
 package twap
 
 import (
+	"context"
 	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"go.uber.org/mock/gomock"
+
+	"github.com/c9s/bbgo/pkg/fixedpoint"
+	. "github.com/c9s/bbgo/pkg/testing/testhelper"
+	"github.com/c9s/bbgo/pkg/types"
+	"github.com/c9s/bbgo/pkg/types/mocks"
 )
 
-func TestNewStreamExecutorV2(t *testing.T) {
+func getTestMarket() types.Market {
-
+	market := types.Market{
+		Symbol:          "BTCUSDT",
+		PricePrecision:  8,
+		VolumePrecision: 8,
+		QuoteCurrency:   "USDT",
+		BaseCurrency:    "BTC",
+		MinNotional:     fixedpoint.MustNewFromString("0.001"),
+		MinAmount:       fixedpoint.MustNewFromString("10.0"),
+		MinQuantity:     fixedpoint.MustNewFromString("0.001"),
+	}
+	return market
+}
+
+type CatchMatcher struct {
+	f func(x any)
+}
+
+func Catch(f func(x any)) *CatchMatcher {
+	return &CatchMatcher{
+		f: f,
+	}
+}
+
+func (m *CatchMatcher) Matches(x interface{}) bool {
+	m.f(x)
+	return true
+}
+
+func (m *CatchMatcher) String() string {
+	return "CatchMatcher"
+}
+
+func TestNewStreamExecutor(t *testing.T) {
+	symbol := "BTCUSDT"
+	market := getTestMarket()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	mockCtrl := gomock.NewController(t)
+	defer mockCtrl.Finish()
+
+	mockEx := mocks.NewMockExchange(mockCtrl)
+
+	marketDataStream := &types.StandardStream{}
+	userDataStream := &types.StandardStream{}
+
+	mockMarketDataStream := mocks.NewMockStream(mockCtrl)
+	mockMarketDataStream.EXPECT().SetPublicOnly()
+	mockMarketDataStream.EXPECT().Subscribe(types.BookChannel, symbol, types.SubscribeOptions{
+		Depth: types.DepthLevelMedium,
+	})
+	mockMarketDataStream.EXPECT().OnBookSnapshot(Catch(func(x any) {
+		marketDataStream.OnBookSnapshot(x.(func(book types.SliceOrderBook)))
+	})).AnyTimes()
+	mockMarketDataStream.EXPECT().OnBookUpdate(Catch(func(x any) {
+		marketDataStream.OnBookUpdate(x.(func(book types.SliceOrderBook)))
+	})).AnyTimes()
+	mockMarketDataStream.EXPECT().OnConnect(Catch(func(x any) {
+		marketDataStream.OnConnect(x.(func()))
+	})).AnyTimes()
+	mockMarketDataStream.EXPECT().Connect(gomock.AssignableToTypeOf(ctx))
+
+	mockUserDataStream := mocks.NewMockStream(mockCtrl)
+	mockUserDataStream.EXPECT().OnOrderUpdate(Catch(func(x any) {
+		userDataStream.OnOrderUpdate(x.(func(order types.Order)))
+	})).AnyTimes()
+	mockUserDataStream.EXPECT().OnTradeUpdate(Catch(func(x any) {
+		userDataStream.OnTradeUpdate(x.(func(order types.Trade)))
+	})).AnyTimes()
+	mockUserDataStream.EXPECT().OnConnect(Catch(func(x any) {
+		userDataStream.OnConnect(x.(func()))
+	})).AnyTimes()
+	mockUserDataStream.EXPECT().OnAuth(Catch(func(x any) {
+		userDataStream.OnAuth(x.(func()))
+	}))
+	mockUserDataStream.EXPECT().Connect(gomock.AssignableToTypeOf(ctx))
+
+	mockEx.EXPECT().NewStream().Return(mockMarketDataStream)
+	mockEx.EXPECT().NewStream().Return(mockUserDataStream)
+
+	executor := NewStreamExecutor(mockEx, symbol, market, types.SideTypeBuy, Number(100), Number(1))
+	executor.SetUpdateInterval(time.Second)
+
+	go func() {
+		err := executor.Start(ctx)
+		assert.NoError(t, err)
+	}()
+
+	go func() {
+		time.Sleep(500 * time.Millisecond)
+		marketDataStream.EmitConnect()
+		userDataStream.EmitConnect()
+		userDataStream.EmitAuth()
+	}()
+
+	select {
+	case <-ctx.Done():
+	case <-time.After(10 * time.Second):
+	case <-executor.Done():
+	}
+	t.Logf("executor done")
 }

pkg/types/market.go

@@ -247,6 +247,19 @@ func (m Market) AdjustQuantityByMinNotional(quantity, currentPrice fixedpoint.Va
 	return quantity
 }
 
+// AdjustQuantityByMaxAmount adjusts the quantity to make the amount less than the given maxAmount
+func (m Market) AdjustQuantityByMaxAmount(quantity, currentPrice, maxAmount fixedpoint.Value) fixedpoint.Value {
+	// modify quantity for the min amount
+	amount := currentPrice.Mul(quantity)
+	if amount.Compare(maxAmount) < 0 {
+		return quantity
+	}
+
+	ratio := maxAmount.Div(amount)
+	quantity = quantity.Mul(ratio)
+	return m.TruncateQuantity(quantity)
+}
+
 type MarketMap map[string]Market
 
 func (m MarketMap) Add(market Market) {

pkg/types/mocks/mock_stream.go

@@ -0,0 +1,375 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/c9s/bbgo/pkg/types (interfaces: Stream)
+//
+// Generated by this command:
+//
+//	mockgen -destination=mocks/mock_stream.go -package=mocks . Stream
+//
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	context "context"
+	reflect "reflect"
+
+	types "github.com/c9s/bbgo/pkg/types"
+	gomock "go.uber.org/mock/gomock"
+)
+
+// MockStream is a mock of Stream interface.
+type MockStream struct {
+	ctrl     *gomock.Controller
+	recorder *MockStreamMockRecorder
+}
+
+// MockStreamMockRecorder is the mock recorder for MockStream.
+type MockStreamMockRecorder struct {
+	mock *MockStream
+}
+
+// NewMockStream creates a new mock instance.
+func NewMockStream(ctrl *gomock.Controller) *MockStream {
+	mock := &MockStream{ctrl: ctrl}
+	mock.recorder = &MockStreamMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockStream) EXPECT() *MockStreamMockRecorder {
+	return m.recorder
+}
+
+// Close mocks base method.
+func (m *MockStream) Close() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Close")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Close indicates an expected call of Close.
+func (mr *MockStreamMockRecorder) Close() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockStream)(nil).Close))
+}
+
+// Connect mocks base method.
+func (m *MockStream) Connect(arg0 context.Context) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Connect", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Connect indicates an expected call of Connect.
+func (mr *MockStreamMockRecorder) Connect(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Connect", reflect.TypeOf((*MockStream)(nil).Connect), arg0)
+}
+
+// GetPublicOnly mocks base method.
+func (m *MockStream) GetPublicOnly() bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetPublicOnly")
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// GetPublicOnly indicates an expected call of GetPublicOnly.
+func (mr *MockStreamMockRecorder) GetPublicOnly() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPublicOnly", reflect.TypeOf((*MockStream)(nil).GetPublicOnly))
+}
+
+// GetSubscriptions mocks base method.
+func (m *MockStream) GetSubscriptions() []types.Subscription {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetSubscriptions")
+	ret0, _ := ret[0].([]types.Subscription)
+	return ret0
+}
+
+// GetSubscriptions indicates an expected call of GetSubscriptions.
+func (mr *MockStreamMockRecorder) GetSubscriptions() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSubscriptions", reflect.TypeOf((*MockStream)(nil).GetSubscriptions))
+}
+
+// OnAggTrade mocks base method.
+func (m *MockStream) OnAggTrade(arg0 func(types.Trade)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnAggTrade", arg0)
+}
+
+// OnAggTrade indicates an expected call of OnAggTrade.
+func (mr *MockStreamMockRecorder) OnAggTrade(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnAggTrade", reflect.TypeOf((*MockStream)(nil).OnAggTrade), arg0)
+}
+
+// OnAuth mocks base method.
+func (m *MockStream) OnAuth(arg0 func()) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnAuth", arg0)
+}
+
+// OnAuth indicates an expected call of OnAuth.
+func (mr *MockStreamMockRecorder) OnAuth(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnAuth", reflect.TypeOf((*MockStream)(nil).OnAuth), arg0)
+}
+
+// OnBalanceSnapshot mocks base method.
+func (m *MockStream) OnBalanceSnapshot(arg0 func(types.BalanceMap)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnBalanceSnapshot", arg0)
+}
+
+// OnBalanceSnapshot indicates an expected call of OnBalanceSnapshot.
+func (mr *MockStreamMockRecorder) OnBalanceSnapshot(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnBalanceSnapshot", reflect.TypeOf((*MockStream)(nil).OnBalanceSnapshot), arg0)
+}
+
+// OnBalanceUpdate mocks base method.
+func (m *MockStream) OnBalanceUpdate(arg0 func(types.BalanceMap)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnBalanceUpdate", arg0)
+}
+
+// OnBalanceUpdate indicates an expected call of OnBalanceUpdate.
+func (mr *MockStreamMockRecorder) OnBalanceUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnBalanceUpdate", reflect.TypeOf((*MockStream)(nil).OnBalanceUpdate), arg0)
+}
+
+// OnBookSnapshot mocks base method.
+func (m *MockStream) OnBookSnapshot(arg0 func(types.SliceOrderBook)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnBookSnapshot", arg0)
+}
+
+// OnBookSnapshot indicates an expected call of OnBookSnapshot.
+func (mr *MockStreamMockRecorder) OnBookSnapshot(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnBookSnapshot", reflect.TypeOf((*MockStream)(nil).OnBookSnapshot), arg0)
+}
+
+// OnBookTickerUpdate mocks base method.
+func (m *MockStream) OnBookTickerUpdate(arg0 func(types.BookTicker)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnBookTickerUpdate", arg0)
+}
+
+// OnBookTickerUpdate indicates an expected call of OnBookTickerUpdate.
+func (mr *MockStreamMockRecorder) OnBookTickerUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnBookTickerUpdate", reflect.TypeOf((*MockStream)(nil).OnBookTickerUpdate), arg0)
+}
+
+// OnBookUpdate mocks base method.
+func (m *MockStream) OnBookUpdate(arg0 func(types.SliceOrderBook)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnBookUpdate", arg0)
+}
+
+// OnBookUpdate indicates an expected call of OnBookUpdate.
+func (mr *MockStreamMockRecorder) OnBookUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnBookUpdate", reflect.TypeOf((*MockStream)(nil).OnBookUpdate), arg0)
+}
+
+// OnConnect mocks base method.
+func (m *MockStream) OnConnect(arg0 func()) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnConnect", arg0)
+}
+
+// OnConnect indicates an expected call of OnConnect.
+func (mr *MockStreamMockRecorder) OnConnect(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnConnect", reflect.TypeOf((*MockStream)(nil).OnConnect), arg0)
+}
+
+// OnDisconnect mocks base method.
+func (m *MockStream) OnDisconnect(arg0 func()) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnDisconnect", arg0)
+}
+
+// OnDisconnect indicates an expected call of OnDisconnect.
+func (mr *MockStreamMockRecorder) OnDisconnect(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnDisconnect", reflect.TypeOf((*MockStream)(nil).OnDisconnect), arg0)
+}
+
+// OnForceOrder mocks base method.
+func (m *MockStream) OnForceOrder(arg0 func(types.LiquidationInfo)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnForceOrder", arg0)
+}
+
+// OnForceOrder indicates an expected call of OnForceOrder.
+func (mr *MockStreamMockRecorder) OnForceOrder(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnForceOrder", reflect.TypeOf((*MockStream)(nil).OnForceOrder), arg0)
+}
+
+// OnFuturesPositionSnapshot mocks base method.
+func (m *MockStream) OnFuturesPositionSnapshot(arg0 func(types.FuturesPositionMap)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnFuturesPositionSnapshot", arg0)
+}
+
+// OnFuturesPositionSnapshot indicates an expected call of OnFuturesPositionSnapshot.
+func (mr *MockStreamMockRecorder) OnFuturesPositionSnapshot(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnFuturesPositionSnapshot", reflect.TypeOf((*MockStream)(nil).OnFuturesPositionSnapshot), arg0)
+}
+
+// OnFuturesPositionUpdate mocks base method.
+func (m *MockStream) OnFuturesPositionUpdate(arg0 func(types.FuturesPositionMap)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnFuturesPositionUpdate", arg0)
+}
+
+// OnFuturesPositionUpdate indicates an expected call of OnFuturesPositionUpdate.
+func (mr *MockStreamMockRecorder) OnFuturesPositionUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnFuturesPositionUpdate", reflect.TypeOf((*MockStream)(nil).OnFuturesPositionUpdate), arg0)
+}
+
+// OnKLine mocks base method.
+func (m *MockStream) OnKLine(arg0 func(types.KLine)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnKLine", arg0)
+}
+
+// OnKLine indicates an expected call of OnKLine.
+func (mr *MockStreamMockRecorder) OnKLine(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnKLine", reflect.TypeOf((*MockStream)(nil).OnKLine), arg0)
+}
+
+// OnKLineClosed mocks base method.
+func (m *MockStream) OnKLineClosed(arg0 func(types.KLine)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnKLineClosed", arg0)
+}
+
+// OnKLineClosed indicates an expected call of OnKLineClosed.
+func (mr *MockStreamMockRecorder) OnKLineClosed(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnKLineClosed", reflect.TypeOf((*MockStream)(nil).OnKLineClosed), arg0)
+}
+
+// OnMarketTrade mocks base method.
+func (m *MockStream) OnMarketTrade(arg0 func(types.Trade)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnMarketTrade", arg0)
+}
+
+// OnMarketTrade indicates an expected call of OnMarketTrade.
+func (mr *MockStreamMockRecorder) OnMarketTrade(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnMarketTrade", reflect.TypeOf((*MockStream)(nil).OnMarketTrade), arg0)
+}
+
+// OnOrderUpdate mocks base method.
+func (m *MockStream) OnOrderUpdate(arg0 func(types.Order)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnOrderUpdate", arg0)
+}
+
+// OnOrderUpdate indicates an expected call of OnOrderUpdate.
+func (mr *MockStreamMockRecorder) OnOrderUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnOrderUpdate", reflect.TypeOf((*MockStream)(nil).OnOrderUpdate), arg0)
+}
+
+// OnRawMessage mocks base method.
+func (m *MockStream) OnRawMessage(arg0 func([]byte)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnRawMessage", arg0)
+}
+
+// OnRawMessage indicates an expected call of OnRawMessage.
+func (mr *MockStreamMockRecorder) OnRawMessage(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnRawMessage", reflect.TypeOf((*MockStream)(nil).OnRawMessage), arg0)
+}
+
+// OnStart mocks base method.
+func (m *MockStream) OnStart(arg0 func()) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnStart", arg0)
+}
+
+// OnStart indicates an expected call of OnStart.
+func (mr *MockStreamMockRecorder) OnStart(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnStart", reflect.TypeOf((*MockStream)(nil).OnStart), arg0)
+}
+
+// OnTradeUpdate mocks base method.
+func (m *MockStream) OnTradeUpdate(arg0 func(types.Trade)) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "OnTradeUpdate", arg0)
+}
+
+// OnTradeUpdate indicates an expected call of OnTradeUpdate.
+func (mr *MockStreamMockRecorder) OnTradeUpdate(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "OnTradeUpdate", reflect.TypeOf((*MockStream)(nil).OnTradeUpdate), arg0)
+}
+
+// Reconnect mocks base method.
+func (m *MockStream) Reconnect() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "Reconnect")
+}
+
+// Reconnect indicates an expected call of Reconnect.
+func (mr *MockStreamMockRecorder) Reconnect() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Reconnect", reflect.TypeOf((*MockStream)(nil).Reconnect))
+}
+
+// Resubscribe mocks base method.
+func (m *MockStream) Resubscribe(arg0 func([]types.Subscription) ([]types.Subscription, error)) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Resubscribe", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Resubscribe indicates an expected call of Resubscribe.
+func (mr *MockStreamMockRecorder) Resubscribe(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Resubscribe", reflect.TypeOf((*MockStream)(nil).Resubscribe), arg0)
+}
+
+// SetPublicOnly mocks base method.
+func (m *MockStream) SetPublicOnly() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetPublicOnly")
+}
+
+// SetPublicOnly indicates an expected call of SetPublicOnly.
+func (mr *MockStreamMockRecorder) SetPublicOnly() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetPublicOnly", reflect.TypeOf((*MockStream)(nil).SetPublicOnly))
+}
+
+// Subscribe mocks base method.
+func (m *MockStream) Subscribe(arg0 types.Channel, arg1 string, arg2 types.SubscribeOptions) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "Subscribe", arg0, arg1, arg2)
+}
+
+// Subscribe indicates an expected call of Subscribe.
+func (mr *MockStreamMockRecorder) Subscribe(arg0, arg1, arg2 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Subscribe", reflect.TypeOf((*MockStream)(nil).Subscribe), arg0, arg1, arg2)
+}

pkg/types/stream.go

@@ -24,6 +24,7 @@ var defaultDialer = &websocket.Dialer{
 	ReadBufferSize:   4096,
 }
 
+//go:generate mockgen -destination=mocks/mock_stream.go -package=mocks . Stream
 type Stream interface {
 	StandardStreamEventHub