651 lines
16 KiB
Go
651 lines
16 KiB
Go
package server
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import (
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"context"
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"fmt"
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"io/ioutil"
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"math/rand"
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"net"
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"net/http"
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"os"
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"regexp"
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"strconv"
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"time"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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"github.com/joho/godotenv"
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"github.com/sirupsen/logrus"
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"git.qtrade.icu/lychiyu/bbgo/pkg/bbgo"
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"git.qtrade.icu/lychiyu/bbgo/pkg/fixedpoint"
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"git.qtrade.icu/lychiyu/bbgo/pkg/service"
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"git.qtrade.icu/lychiyu/bbgo/pkg/types"
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)
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const DefaultBindAddress = "localhost:8080"
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type Setup struct {
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// Context is the trader context
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Context context.Context
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// Cancel is the trader context cancel function you want to cancel
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Cancel context.CancelFunc
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// Token is used for setup api authentication
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Token string
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BeforeRestart func()
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}
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type Server struct {
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Config *bbgo.Config
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Environ *bbgo.Environment
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Trader *bbgo.Trader
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Setup *Setup
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OpenInBrowser bool
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srv *http.Server
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}
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func (s *Server) newEngine(ctx context.Context) *gin.Engine {
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r := gin.Default()
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r.Use(cors.New(cors.Config{
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AllowOrigins: []string{"*"},
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AllowHeaders: []string{"Origin", "Content-Type"},
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ExposeHeaders: []string{"Content-Length"},
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AllowMethods: []string{"GET", "POST", "PUT", "DELETE"},
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AllowWebSockets: true,
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AllowCredentials: true,
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MaxAge: 12 * time.Hour,
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}))
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r.GET("/api/ping", s.ping)
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if s.Setup != nil {
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r.POST("/api/setup/test-db", s.setupTestDB)
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r.POST("/api/setup/configure-db", s.setupConfigureDB)
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r.POST("/api/setup/strategy/single/:id/session/:session", s.setupAddStrategy)
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r.POST("/api/setup/save", s.setupSaveConfig)
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r.POST("/api/setup/restart", s.setupRestart)
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}
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r.GET("/api/environment/syncing", func(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{
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"syncing": s.Environ.IsSyncing(),
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})
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})
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r.POST("/api/environment/sync", func(c *gin.Context) {
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if s.Environ.IsSyncing() != bbgo.Syncing {
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go func() {
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// We use the root context here because the syncing operation is a background goroutine.
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// It should not be terminated if the request is disconnected.
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if err := s.Environ.Sync(ctx); err != nil {
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logrus.WithError(err).Error("sync error")
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}
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}()
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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})
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})
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r.GET("/api/outbound-ip", func(c *gin.Context) {
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outboundIP, err := GetOutboundIP()
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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}
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c.JSON(http.StatusOK, gin.H{
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"outboundIP": outboundIP.String(),
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})
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})
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r.GET("/api/trades", func(c *gin.Context) {
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if s.Environ.TradeService == nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "database is not configured"})
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return
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}
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exchange := c.Query("exchange")
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symbol := c.Query("symbol")
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gidStr := c.DefaultQuery("gid", "0")
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lastGID, err := strconv.ParseInt(gidStr, 10, 64)
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if err != nil {
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logrus.WithError(err).Error("last gid parse error")
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c.Status(http.StatusBadRequest)
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return
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}
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trades, err := s.Environ.TradeService.Query(service.QueryTradesOptions{
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Exchange: types.ExchangeName(exchange),
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Symbol: symbol,
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LastGID: lastGID,
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Ordering: "DESC",
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})
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if err != nil {
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c.Status(http.StatusBadRequest)
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logrus.WithError(err).Error("order query error")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"trades": trades,
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})
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})
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r.GET("/api/orders/closed", s.listClosedOrders)
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r.GET("/api/trading-volume", s.tradingVolume)
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r.POST("/api/sessions/test", func(c *gin.Context) {
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var session bbgo.ExchangeSession
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if err := c.BindJSON(&session); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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return
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}
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err := session.InitExchange(session.ExchangeName.String(), nil)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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return
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}
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var anyErr error
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_, openOrdersErr := session.Exchange.QueryOpenOrders(c, "BTCUSDT")
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if openOrdersErr != nil {
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anyErr = openOrdersErr
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}
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_, balanceErr := session.Exchange.QueryAccountBalances(c)
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if balanceErr != nil {
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anyErr = balanceErr
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}
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c.JSON(http.StatusOK, gin.H{
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"success": anyErr == nil,
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"error": anyErr,
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"balance": balanceErr == nil,
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"openOrders": openOrdersErr == nil,
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})
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})
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r.GET("/api/sessions", func(c *gin.Context) {
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var sessions []*bbgo.ExchangeSession
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for _, session := range s.Environ.Sessions() {
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sessions = append(sessions, session)
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}
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if len(sessions) == 0 {
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c.JSON(http.StatusOK, gin.H{"sessions": []int{}})
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}
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c.JSON(http.StatusOK, gin.H{"sessions": sessions})
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})
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r.POST("/api/sessions", func(c *gin.Context) {
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var session bbgo.ExchangeSession
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if err := c.BindJSON(&session); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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return
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}
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if err := session.InitExchange(session.ExchangeName.String(), nil); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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return
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}
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if s.Config.Sessions == nil {
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s.Config.Sessions = make(map[string]*bbgo.ExchangeSession)
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}
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s.Config.Sessions[session.Name] = &session
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s.Environ.AddExchangeSession(session.Name, &session)
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if err := session.Init(c, s.Environ); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": err.Error(),
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})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": true})
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})
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r.GET("/api/assets", s.listAssets)
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r.GET("/api/sessions/:session", s.listSessions)
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r.GET("/api/sessions/:session/trades", s.listSessionTrades)
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r.GET("/api/sessions/:session/open-orders", s.listSessionOpenOrders)
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r.GET("/api/sessions/:session/account", s.getSessionAccount)
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r.GET("/api/sessions/:session/account/balances", s.getSessionAccountBalance)
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r.GET("/api/sessions/:session/symbols", s.listSessionSymbols)
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r.GET("/api/sessions/:session/pnl", func(c *gin.Context) {
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c.JSON(200, gin.H{"message": "pong"})
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})
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r.GET("/api/sessions/:session/market/:symbol/open-orders", func(c *gin.Context) {
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c.JSON(200, gin.H{"message": "pong"})
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})
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r.GET("/api/sessions/:session/market/:symbol/trades", func(c *gin.Context) {
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c.JSON(200, gin.H{"message": "pong"})
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})
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r.GET("/api/sessions/:session/market/:symbol/pnl", func(c *gin.Context) {
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c.JSON(200, gin.H{"message": "pong"})
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})
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r.GET("/api/strategies/single", s.listStrategies)
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r.NoRoute(s.assetsHandler)
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return r
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}
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func (s *Server) RunWithListener(ctx context.Context, l net.Listener) error {
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r := s.newEngine(ctx)
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bind := l.Addr().String()
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if s.OpenInBrowser {
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openBrowser(ctx, bind)
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}
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s.srv = newServer(r, bind)
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return serve(s.srv, l)
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}
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func (s *Server) Run(ctx context.Context, bindArgs ...string) error {
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r := s.newEngine(ctx)
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bind := resolveBind(bindArgs)
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if s.OpenInBrowser {
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openBrowser(ctx, bind)
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}
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s.srv = newServer(r, bind)
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return listenAndServe(s.srv)
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}
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func (s *Server) ping(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{"message": "pong"})
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}
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func (s *Server) listClosedOrders(c *gin.Context) {
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if s.Environ.OrderService == nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "database is not configured"})
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return
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}
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exchange := c.Query("exchange")
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symbol := c.Query("symbol")
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gidStr := c.DefaultQuery("gid", "0")
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lastGID, err := strconv.ParseInt(gidStr, 10, 64)
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if err != nil {
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logrus.WithError(err).Error("last gid parse error")
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c.Status(http.StatusBadRequest)
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return
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}
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orders, err := s.Environ.OrderService.Query(service.QueryOrdersOptions{
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Exchange: types.ExchangeName(exchange),
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Symbol: symbol,
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LastGID: lastGID,
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Ordering: "DESC",
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})
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if err != nil {
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c.Status(http.StatusBadRequest)
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logrus.WithError(err).Error("order query error")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"orders": orders,
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})
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}
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func (s *Server) listStrategies(c *gin.Context) {
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var stashes []map[string]interface{}
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for _, mount := range s.Config.ExchangeStrategies {
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stash, err := mount.Map()
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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stash["strategy"] = mount.Strategy.ID()
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stashes = append(stashes, stash)
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}
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if len(stashes) == 0 {
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c.JSON(http.StatusOK, gin.H{"strategies": []int{}})
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}
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c.JSON(http.StatusOK, gin.H{"strategies": stashes})
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}
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func (s *Server) listSessions(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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c.JSON(http.StatusOK, gin.H{"session": session})
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}
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func (s *Server) listSessionSymbols(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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var symbols []string
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for symbol := range session.Markets() {
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symbols = append(symbols, symbol)
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}
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c.JSON(http.StatusOK, gin.H{"symbols": symbols})
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}
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func (s *Server) listSessionTrades(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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c.JSON(http.StatusOK, gin.H{"trades": session.Trades})
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}
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func (s *Server) getSessionAccount(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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c.JSON(http.StatusOK, gin.H{"account": session.GetAccount()})
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}
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func (s *Server) getSessionAccountBalance(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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if session.Account == nil {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("the account of session %s is nil", sessionName)})
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return
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}
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c.JSON(http.StatusOK, gin.H{"balances": session.GetAccount().Balances()})
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}
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func (s *Server) listSessionOpenOrders(c *gin.Context) {
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sessionName := c.Param("session")
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session, ok := s.Environ.Session(sessionName)
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if !ok {
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c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("session %s not found", sessionName)})
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return
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}
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marketOrders := make(map[string][]types.Order)
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for symbol, orderStore := range session.OrderStores() {
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marketOrders[symbol] = orderStore.Orders()
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}
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c.JSON(http.StatusOK, gin.H{"orders": marketOrders})
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}
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func genFakeAssets() types.AssetMap {
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totalAssets := types.AssetMap{}
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balances := types.BalanceMap{
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"BTC": types.Balance{Currency: "BTC", Available: fixedpoint.NewFromFloat(10.0 * rand.Float64())},
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"BCH": types.Balance{Currency: "BCH", Available: fixedpoint.NewFromFloat(0.01 * rand.Float64())},
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"LTC": types.Balance{Currency: "LTC", Available: fixedpoint.NewFromFloat(200.0 * rand.Float64())},
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"ETH": types.Balance{Currency: "ETH", Available: fixedpoint.NewFromFloat(50.0 * rand.Float64())},
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"SAND": types.Balance{Currency: "SAND", Available: fixedpoint.NewFromFloat(11500.0 * rand.Float64())},
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"BNB": types.Balance{Currency: "BNB", Available: fixedpoint.NewFromFloat(1000.0 * rand.Float64())},
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"GRT": types.Balance{Currency: "GRT", Available: fixedpoint.NewFromFloat(1000.0 * rand.Float64())},
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"MAX": types.Balance{Currency: "MAX", Available: fixedpoint.NewFromFloat(200000.0 * rand.Float64())},
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"COMP": types.Balance{Currency: "COMP", Available: fixedpoint.NewFromFloat(100.0 * rand.Float64())},
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}
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assets := balances.Assets(map[string]fixedpoint.Value{
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"BTCUSDT": fixedpoint.NewFromFloat(38000.0),
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"BCHUSDT": fixedpoint.NewFromFloat(478.0),
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"LTCUSDT": fixedpoint.NewFromFloat(150.0),
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"COMPUSDT": fixedpoint.NewFromFloat(450.0),
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"ETHUSDT": fixedpoint.NewFromFloat(1700.0),
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"BNBUSDT": fixedpoint.NewFromFloat(70.0),
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"GRTUSDT": fixedpoint.NewFromFloat(0.89),
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"DOTUSDT": fixedpoint.NewFromFloat(20.0),
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"SANDUSDT": fixedpoint.NewFromFloat(0.13),
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"MAXUSDT": fixedpoint.NewFromFloat(0.122),
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}, time.Now())
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for currency, asset := range assets {
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totalAssets[currency] = asset
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}
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return totalAssets
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}
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func (s *Server) listAssets(c *gin.Context) {
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if ok, err := strconv.ParseBool(os.Getenv("USE_FAKE_ASSETS")); err == nil && ok {
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c.JSON(http.StatusOK, gin.H{"assets": genFakeAssets()})
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return
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}
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totalAssets := types.AssetMap{}
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for _, session := range s.Environ.Sessions() {
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balances := session.GetAccount().Balances()
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if err := session.UpdatePrices(c, balances.Currencies(), "USDT"); err != nil {
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logrus.WithError(err).Error("price update failed")
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c.Status(http.StatusInternalServerError)
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return
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}
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assets := balances.Assets(session.LastPrices(), time.Now())
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for currency, asset := range assets {
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totalAssets[currency] = asset
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}
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}
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c.JSON(http.StatusOK, gin.H{"assets": totalAssets})
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}
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func (s *Server) setupSaveConfig(c *gin.Context) {
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if len(s.Config.Sessions) == 0 {
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c.JSON(http.StatusBadRequest, gin.H{"error": "session is not configured"})
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return
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}
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envVars, err := collectSessionEnvVars(s.Config.Sessions)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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if s.Environ.DatabaseService != nil {
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envVars["DB_DRIVER"] = s.Environ.DatabaseService.Driver
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envVars["DB_DSN"] = s.Environ.DatabaseService.DSN
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}
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dotenvFile := ".env.local"
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if err := moveFileToBackup(dotenvFile); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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if err := godotenv.Write(envVars, dotenvFile); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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out, err := s.Config.YAML()
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if err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
fmt.Println("config file")
|
|
fmt.Println("=================================================")
|
|
fmt.Println(string(out))
|
|
fmt.Println("=================================================")
|
|
|
|
filename := "bbgo.yaml"
|
|
if err := moveFileToBackup(filename); err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
if err := ioutil.WriteFile(filename, out, 0666); err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{"success": true})
|
|
}
|
|
|
|
var pageRoutePattern = regexp.MustCompile("/[a-z]+$")
|
|
|
|
func moveFileToBackup(filename string) error {
|
|
stat, err := os.Stat(filename)
|
|
|
|
if err == nil && stat != nil {
|
|
err := os.Rename(filename, filename+"."+time.Now().Format("20060102_150405_07_00"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *Server) tradingVolume(c *gin.Context) {
|
|
if s.Environ.TradeService == nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": "database is not configured"})
|
|
return
|
|
}
|
|
|
|
period := c.DefaultQuery("period", "day")
|
|
segment := c.DefaultQuery("segment", "exchange")
|
|
startTimeStr := c.Query("start-time")
|
|
|
|
var startTime time.Time
|
|
|
|
if startTimeStr != "" {
|
|
v, err := time.Parse(time.RFC3339, startTimeStr)
|
|
if err != nil {
|
|
c.Status(http.StatusBadRequest)
|
|
logrus.WithError(err).Error("start-time format incorrect")
|
|
return
|
|
}
|
|
startTime = v
|
|
|
|
} else {
|
|
switch period {
|
|
case "day":
|
|
startTime = time.Now().AddDate(0, 0, -30)
|
|
|
|
case "month":
|
|
startTime = time.Now().AddDate(0, -6, 0)
|
|
|
|
case "year":
|
|
startTime = time.Now().AddDate(-2, 0, 0)
|
|
|
|
default:
|
|
startTime = time.Now().AddDate(0, 0, -7)
|
|
|
|
}
|
|
}
|
|
|
|
rows, err := s.Environ.TradeService.QueryTradingVolume(startTime, service.TradingVolumeQueryOptions{
|
|
SegmentBy: segment,
|
|
GroupByPeriod: period,
|
|
})
|
|
if err != nil {
|
|
logrus.WithError(err).Error("trading volume query error")
|
|
c.Status(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{"tradingVolumes": rows})
|
|
}
|
|
|
|
func newServer(r http.Handler, bind string) *http.Server {
|
|
return &http.Server{
|
|
Addr: bind,
|
|
Handler: r,
|
|
}
|
|
}
|
|
|
|
func serve(srv *http.Server, l net.Listener) (err error) {
|
|
defer func() {
|
|
if err != nil && err != http.ErrServerClosed {
|
|
logrus.WithError(err).Error("unexpected http server error")
|
|
}
|
|
}()
|
|
|
|
err = srv.Serve(l)
|
|
if err != http.ErrServerClosed {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func listenAndServe(srv *http.Server) error {
|
|
var err error
|
|
|
|
defer func() {
|
|
if err != nil && err != http.ErrServerClosed {
|
|
logrus.WithError(err).Error("unexpected http server error")
|
|
}
|
|
}()
|
|
|
|
err = srv.ListenAndServe()
|
|
if err != http.ErrServerClosed {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func GetOutboundIP() (net.IP, error) {
|
|
conn, err := net.Dial("udp", "8.8.8.8:80")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer conn.Close()
|
|
|
|
localAddr := conn.LocalAddr().(*net.UDPAddr)
|
|
return localAddr.IP, nil
|
|
}
|