ftx: define ordersHistory in rest client

pkg/exchange/ftx/rest_order_request.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"time"
 )
 
 type orderRequest struct {
@@ -114,3 +115,34 @@ func (r *orderRequest) OpenOrders(ctx context.Context, market string) (ordersRes
 
 	return o, nil
 }
+
+func (r *orderRequest) OrdersHistory(ctx context.Context, market string, start, end time.Time, limit int) (ordersHistoryResponse, error) {
+	p := map[string]interface{}{
+		"market": market,
+		"limit":  limit,
+	}
+
+	if start != (time.Time{}) {
+		p["start_time"] = start.UnixNano() / int64(time.Second)
+	}
+	if end != (time.Time{}) {
+		p["end_time"] = start.UnixNano() / int64(time.Second)
+	}
+
+	resp, err := r.
+		Method("GET").
+		ReferenceURL("api/orders/history").
+		Payloads(p).
+		DoAuthenticatedRequest(ctx)
+
+	if err != nil {
+		return ordersHistoryResponse{}, err
+	}
+
+	var o ordersHistoryResponse
+	if err := json.Unmarshal(resp.Body, &o); err != nil {
+		return ordersHistoryResponse{}, fmt.Errorf("failed to unmarshal orders history response body to json: %w", err)
+	}
+
+	return o, nil
+}

pkg/exchange/ftx/rest_responses.go

@@ -12,6 +12,12 @@ type balances struct {
 	} `json:"result"`
 }
 
+type ordersHistoryResponse struct {
+	Success     bool    `json:"success"`
+	Result      []order `json:"result"`
+	HasMoreData bool    `json:"hasMoreData"`
+}
+
 type ordersResponse struct {
 	Success bool `json:"success"`