add instrument_type field to instrument

api_market.go

@@ -37,6 +37,11 @@ func (c *Client) GetIndex(params *models.GetIndexParams) (result models.GetIndex
 	return
 }
 
+func (c *Client) GetIndexPrice(params *models.GetIndexPriceParams) (result models.GetIndexPriceResponse, err error) {
+	err = c.Call("public/get_index_price", params, &result)
+	return
+}
+
 func (c *Client) GetInstruments(params *models.GetInstrumentsParams) (result []models.Instrument, err error) {
 	err = c.Call("public/get_instruments", params, &result)
 	return

models/get_index_price_params.go

@@ -0,0 +1,5 @@
+package models
+
+type GetIndexPriceParams struct {
+	IndexName string `json:"index_name"`
+}

models/get_index_price_response.go

@@ -0,0 +1,6 @@
+package models
+
+type GetIndexPriceResponse struct {
+	EstimatedDeliveryPrice float64 `json:"estimated_delivery_price"`
+	IndexPrice             float64 `json:"index_price"`
+}

models/instrument.go

@@ -10,6 +10,8 @@ type Instrument struct {
 	Kind                string  `json:"kind"`
 	IsActive            bool    `json:"is_active"`
 	InstrumentName      string  `json:"instrument_name"`
+	InstrumentType      string  `json:"instrument_type"`
+	PriceIndex          string  `json:"price_index"`
 	ExpirationTimestamp int64   `json:"expiration_timestamp"`
 	CreationTimestamp   int64   `json:"creation_timestamp"`
 	ContractSize        float64 `json:"contract_size"`