types: add FuturesPosition

pkg/types/account.go

@@ -121,6 +121,7 @@ func (m AssetMap) SlackAttachment() slack.Attachment {
 
 type BalanceMap map[string]Balance
 type PositionMap map[string]Position
+type FuturesPositionMap map[string]FuturesPosition
 
 func (m BalanceMap) String() string {
 	var ss []string
@@ -229,7 +230,7 @@ type FuturesAccountInfo struct {
 	Assets                      map[Asset]FuturesUserAsset `json:"assets"`
 	FeeTier                     int                        `json:"feeTier"`
 	MaxWithdrawAmount           fixedpoint.Value           `json:"maxWithdrawAmount"`
-	Positions                   PositionMap                `json:"positions"`
+	Positions                   FuturesPositionMap         `json:"positions"`
 	TotalInitialMargin          fixedpoint.Value           `json:"totalInitialMargin"`
 	TotalMaintMargin            fixedpoint.Value           `json:"totalMaintMargin"`
 	TotalMarginBalance          fixedpoint.Value           `json:"totalMarginBalance"`

pkg/types/position.go

@@ -39,6 +39,27 @@ type Position struct {
 	FeeRate          *ExchangeFee                 `json:"feeRate,omitempty"`
 	ExchangeFeeRates map[ExchangeName]ExchangeFee `json:"exchangeFeeRates"`
 
+	sync.Mutex
+}
+
+type FuturesPosition struct {
+	Symbol        string `json:"symbol"`
+	BaseCurrency  string `json:"baseCurrency"`
+	QuoteCurrency string `json:"quoteCurrency"`
+
+	Market Market `json:"market"`
+
+	Base        fixedpoint.Value `json:"base"`
+	Quote       fixedpoint.Value `json:"quote"`
+	AverageCost fixedpoint.Value `json:"averageCost"`
+
+	// ApproximateAverageCost adds the computed fee in quote in the average cost
+	// This is used for calculating net profit
+	ApproximateAverageCost fixedpoint.Value `json:"approximateAverageCost"`
+
+	FeeRate          *ExchangeFee                 `json:"feeRate,omitempty"`
+	ExchangeFeeRates map[ExchangeName]ExchangeFee `json:"exchangeFeeRates"`
+
 	// Futures data fields
 	Isolated     bool  `json:"isolated"`
 	UpdateTime   int64 `json:"updateTime"`