Merge pull request #2598 from c9s/dboy/xfundingv2/instance-tag

Author: dboyliao

pkg/strategy/xfundingv2/strategy.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"os"
 	"sort"
-	"strings"
 	"sync"
 	"time"
 
@@ -64,6 +63,8 @@ type Strategy struct {
 	DryRun              bool `json:"dryRun"`
 	ClosingAllOnStartup bool `json:"closingAllOnStartup"`
 
+	InstanceTag string `json:"instanceTag"`
+
 	// Session configuration
 	SpotSession    string `json:"spotSession"`
 	FuturesSession string `json:"futuresSession"`
@@ -168,8 +169,7 @@ func (s *Strategy) ID() string {
 }
 
 func (s *Strategy) InstanceID() string {
-	symbols := strings.Join(s.CandidateSymbols, "_")
-	return fmt.Sprintf("%s-%s-%s-futures", ID, symbols, s.MarketSelectionConfig.FuturesDirection)
+	return fmt.Sprintf("%s-%s-%s-futures", ID, s.InstanceTag, s.MarketSelectionConfig.FuturesDirection)
 }
 
 func (s *Strategy) Defaults() error {
@@ -299,6 +299,10 @@ func (s *Strategy) Validate() error {
 	if s.MaxClosingLossRatio.Sign() > 0 {
 		return fmt.Errorf("maxClosingLossRatio should be negative: %s", s.MaxClosingLossRatio)
 	}
+
+	if s.InstanceTag == "" {
+		return errors.New("instanceTag is required")
+	}
 	return nil
 }