Added Trade Data support

README.md

@@ -59,6 +59,6 @@ Supporting APIs
 - [x] [SubAccount](https://www.okex.com/docs-v5/en/#rest-api-subaccount)
 - [x] [Market Data](https://www.okex.com/docs-v5/en/#rest-api-market-data)
 - [x] [Public Data](https://www.okex.com/docs-v5/en/#rest-api-public-data)
-- [ ] [Trading Data](https://www.okex.com/docs-v5/en/#rest-api-trading-data)
+- [x] [Trading Data](https://www.okex.com/docs-v5/en/#rest-api-trading-data)
 - [ ] [Status](https://www.okex.com/docs-v5/en/#rest-api-statusl)
 

api/rest/client.go

@@ -20,6 +20,7 @@ type ClientRest struct {
 	Funding     *Funding
 	Market      *Market
 	PublicData  *PublicData
+	TradeData   *TradeData
 	apiKey      string
 	secretKey   []byte
 	passphrase  string
@@ -44,6 +45,7 @@ func NewClient(apiKey, secretKey, passphrase string, baseUrl okex.BaseUrl, desti
 	c.Funding = NewFunding(c)
 	c.Market = NewMarket(c)
 	c.PublicData = NewPublicData(c)
+	c.TradeData = NewTradeData(c)
 
 	return c
 }

api/rest/trade_data.go

@@ -0,0 +1,200 @@
+package rest
+
+import (
+	"encoding/json"
+	"github.com/amir-the-h/okex"
+	requests "github.com/amir-the-h/okex/requests/trade_data"
+	responses "github.com/amir-the-h/okex/responses/trade_data"
+	"net/http"
+)
+
+// TradeData
+//
+// https://www.okex.com/docs-v5/en/#rest-api-tradeing-data
+type TradeData struct {
+	client *ClientRest
+}
+
+// NewTradeData returns a pointer to a fresh TradeData
+func NewTradeData(c *ClientRest) *TradeData {
+	return &TradeData{c}
+}
+
+// GetSupportCoin
+// Get the currency supported by the transaction big data interface
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-support-coin
+func (c *TradeData) GetSupportCoin() (response responses.GetSupportCoin, err error) {
+	p := "/api/v5/rubik/stat/trading-data/support-coin"
+	res, err := c.client.Do(http.MethodGet, p, false)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetTakerVolume
+// This is the taker volume for both buyers and sellers. This shows the influx and exit of funds in and out of {coin}.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-support-coin
+func (c *TradeData) GetTakerVolume(req requests.GetTakerVolume) (response responses.GetTakerVolume, err error) {
+	p := "/api/v5/rubik/stat/taker-volume"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetMarginLendingRatio
+// This indicator shows the ratio of cumulative data value between currency pair leverage quote currency and underlying asset over a given period of time.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-margin-lending-ratio
+func (c *TradeData) GetMarginLendingRatio(req requests.GetRatio) (response responses.GetRatio, err error) {
+	p := "/api/v5/rubik/stat/margin/loan-ratio"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetLongShortRatio
+// This is the ratio of users with net long vs short positions. It includes data from futures and perpetual swaps.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-long-short-ratio
+func (c *TradeData) GetLongShortRatio(req requests.GetRatio) (response responses.GetRatio, err error) {
+	p := "/api/v5/rubik/stat/contracts/long-short-account-ratio"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetContractsOpenInterestAndVolume
+// Open interest is the sum of all long and short futures and perpetual swap positions.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-contracts-open-interest-and-volume
+func (c *TradeData) GetContractsOpenInterestAndVolume(req requests.GetRatio) (response responses.GetOpenInterestAndVolume, err error) {
+	p := "/api/v5/rubik/stat/contracts/open-interest-volume"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetOptionsOpenInterestAndVolume
+// This shows the sum of all open positions and how much total trading volume has taken place.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-options-open-interest-and-volume
+func (c *TradeData) GetOptionsOpenInterestAndVolume(req requests.GetRatio) (response responses.GetOpenInterestAndVolume, err error) {
+	p := "/api/v5/rubik/stat/option/open-interest-volume"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetPutCallRatio
+// This shows the relative buy/sell volume for calls and puts. It shows whether traders are bullish or bearish on price and volatility.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-put-call-ratio
+func (c *TradeData) GetPutCallRatio(req requests.GetRatio) (response responses.GetPutCallRatio, err error) {
+	p := "/api/v5/rubik/stat/option/open-interest-volume-ratio"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetOpenInterestAndVolumeExpiry
+// This shows the volume and open interest for each upcoming expiration. You can use this to see which expirations are currently the most popular to trade.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-open-interest-and-volume-expiry
+func (c *TradeData) GetOpenInterestAndVolumeExpiry(req requests.GetRatio) (response responses.GetOpenInterestAndVolumeExpiry, err error) {
+	p := "/api/v5/rubik/stat/option/open-interest-volume-expiry"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetOpenInterestAndVolumeStrike
+// This shows what option strikes are the most popular for each expiration.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-open-interest-and-volume-strike
+func (c *TradeData) GetOpenInterestAndVolumeStrike(req requests.GetOpenInterestAndVolumeStrike) (response responses.GetOpenInterestAndVolumeStrike, err error) {
+	p := "/api/v5/rubik/stat/option/open-interest-volume-strike"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}
+
+// GetTakerFlow
+// This shows the relative buy/sell volume for calls and puts. It shows whether traders are bullish or bearish on price and volatility.
+//
+// https://www.okex.com/docs-v5/en/#rest-api-trading-data-get-taker-flow
+func (c *TradeData) GetTakerFlow(req requests.GetRatio) (response responses.GetTakerFlow, err error) {
+	p := "/api/v5/rubik/stat/option/taker-block-volume"
+	m := okex.S2M(req)
+	res, err := c.client.Do(http.MethodGet, p, false, m)
+	if err != nil {
+		return
+	}
+	defer res.Body.Close()
+	d := json.NewDecoder(res.Body)
+	err = d.Decode(&response)
+
+	return
+}