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market.go
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market.go
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package binance_connector
import (
"context"
"encoding/json"
"math/big"
"net/http"
)
// Binance Test Connectivity endpoint (GET /api/v3/ping)
type Ping struct {
c *Client
}
// Send the request
func (s *Ping) Do(ctx context.Context, opts ...RequestOption) (err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/ping",
secType: secTypeNone,
}
_, err = s.c.callAPI(ctx, r, opts...)
if err != nil {
return err
}
return nil
}
// Binance Check Server Time endpoint (GET /api/v3/time)
type ServerTime struct {
c *Client
}
// Send the request
func (s *ServerTime) Do(ctx context.Context, opts ...RequestOption) (res *ServerTimeResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/time",
secType: secTypeNone,
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
res = new(ServerTimeResponse)
err = json.Unmarshal(data, res)
if err != nil {
return nil, err
}
return res, nil
}
// ServerTimeResponse define server time response
type ServerTimeResponse struct {
ServerTime uint64 `json:"serverTime"`
}
// Binance Exchange Information endpoint (GET /api/v3/exchangeInfo)
type ExchangeInfo struct {
c *Client
symbol *string
symbols *[]string
permissions *string
showPermissionSets *bool
symbolStatus *string
}
// Symbol set symbol
func (s *ExchangeInfo) Symbol(symbol string) *ExchangeInfo {
s.symbol = &symbol
return s
}
// Symbols set symbols
func (s *ExchangeInfo) Symbols(symbols []string) *ExchangeInfo {
s.symbols = &symbols
return s
}
// Permissions set permissions
func (s *ExchangeInfo) Permissions(permissions string) *ExchangeInfo {
s.permissions = &permissions
return s
}
// ShowPermissionSets set showPermissionSets
func (s *ExchangeInfo) ShowPermissionSets(showPermissionSets bool) *ExchangeInfo {
s.showPermissionSets = &showPermissionSets
return s
}
// SymbolStatus set symbolStatus
func (s *ExchangeInfo) SymbolStatus(symbolStatus string) *ExchangeInfo {
s.symbolStatus = &symbolStatus
return s
}
// Send the request
func (s *ExchangeInfo) Do(ctx context.Context, opts ...RequestOption) (res *ExchangeInfoResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/exchangeInfo",
secType: secTypeNone,
}
if s.symbol != nil {
r.setParam("symbol", *s.symbol)
}
if s.symbols != nil {
r.setParam("symbols", *s.symbols)
}
if s.permissions != nil {
r.setParam("permissions", *s.permissions)
}
if s.showPermissionSets != nil {
r.setParam("showPermissionSets", *s.showPermissionSets)
}
if s.symbolStatus != nil {
r.setParam("symbolStatus", *s.symbolStatus)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
res = new(ExchangeInfoResponse)
err = json.Unmarshal(data, res)
if err != nil {
return nil, err
}
return res, nil
}
// ExchangeInfoResponse define exchange info response
type ExchangeInfoResponse struct {
Timezone string `json:"timezone"`
ServerTime uint64 `json:"serverTime"`
RateLimits []*RateLimit `json:"rateLimits"`
ExchangeFilters []*ExchangeFilter `json:"exchangeFilters"`
Symbols []*SymbolInfo `json:"symbols"`
}
// RateLimit define rate limit
type RateLimit struct {
RateLimitType string `json:"rateLimitType"`
Interval string `json:"interval"`
Limit int `json:"limit"`
}
// ExchangeFilter define exchange filter
type ExchangeFilter struct {
FilterType string `json:"filterType"`
MaxNumAlgo int64 `json:"maxNumAlgoOrders"`
}
// Symbol define symbol
type SymbolInfo struct {
Symbol string `json:"symbol"`
Status string `json:"status"`
BaseAsset string `json:"baseAsset"`
BaseAssetPrecision int64 `json:"baseAssetPrecision"`
QuoteAsset string `json:"quoteAsset"`
QuotePrecision int64 `json:"quotePrecision"`
QuoteAssetPrecision int64 `json:"quoteAssetPrecision"`
BaseCommissionPrecision int64 `json:"baseCommissionPrecision"`
QuoteCommissionPrecision int64 `json:"quoteCommissionPrecision"`
OrderTypes []string `json:"orderTypes"`
IcebergAllowed bool `json:"icebergAllowed"`
OcoAllowed bool `json:"ocoAllowed"`
OtoAllowed bool `json:"otoAllowed"`
QuoteOrderQtyMarketAllowed bool `json:"quoteOrderQtyMarketAllowed"`
AllowTrailingStop bool `json:"allowTrailingStop"`
CancelReplaceAllowed bool `json:"cancelReplaceAllowed"`
IsSpotTradingAllowed bool `json:"isSpotTradingAllowed"`
IsMarginTradingAllowed bool `json:"isMarginTradingAllowed"`
Filters []*SymbolFilter `json:"filters"`
Permissions []string `json:"permissions"`
PermissionSets [][]string `json:"permissionSets"`
DefaultSelfTradePreventionMode string `json:"defaultSelfTradePreventionMode"`
AllowedSelfTradePreventionModes []string `json:"allowedSelfTradePreventionModes"`
}
// SymbolFilter define symbol filter
type SymbolFilter struct {
ApplyMinToMarket bool `json:"applyMinToMarket"`
ApplyMaxToMarket bool `json:"applyMaxToMarket"`
AskMultiplierDown string `json:"askMultiplierDown"`
AskMultiplierUp string `json:"askMultiplierUp"`
AvgPriceMins int64 `json:"avgPriceMins"`
BidMultiplierDown string `json:"bidMultiplierDown"`
BidMultiplierUp string `json:"bidMultiplierUp"`
FilterType string `json:"filterType"`
Limit uint `json:"limit"`
MaxNotional string `json:"maxNotional"`
MaxNumAlgoOrders int64 `json:"maxNumAlgoOrders"`
MaxNumOrders int64 `json:"maxNumOrders"`
MaxPrice string `json:"maxPrice"`
MaxQty string `json:"maxQty"`
MaxTrailingAboveDelta int64 `json:"maxTrailingAboveDelta"`
MaxTrailingBelowDelta int64 `json:"maxTrailingBelowDelta"`
MinNotional string `json:"minNotional"`
MinPrice string `json:"minPrice"`
MinQty string `json:"minQty"`
MinTrailingAboveDelta int64 `json:"minTrailingAboveDelta"`
MinTrailingBelowDelta int64 `json:"minTrailingBelowDelta"`
StepSize string `json:"stepSize"`
TickSize string `json:"tickSize"`
}
// Binance Order Book endpoint (GET /api/v3/depth)
type OrderBook struct {
c *Client
symbol string
limit *int
}
// Symbol set symbol
func (s *OrderBook) Symbol(symbol string) *OrderBook {
s.symbol = symbol
return s
}
// Limit set limit
func (s *OrderBook) Limit(limit int) *OrderBook {
s.limit = &limit
return s
}
// Send the request
func (s *OrderBook) Do(ctx context.Context, opts ...RequestOption) (res *OrderBookResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/depth",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
res = new(OrderBookResponse)
err = json.Unmarshal(data, res)
if err != nil {
return nil, err
}
return res, nil
}
// OrderBookResponse define order book response
type OrderBookResponse struct {
LastUpdateId uint64 `json:"lastUpdateId"`
Bids [][]*big.Float `json:"bids"`
Asks [][]*big.Float `json:"asks"`
}
// Binance Recent Trades List endpoint (GET /api/v3/trades)
type RecentTradesList struct {
c *Client
symbol string
limit *int
}
// Symbol set symbol
func (s *RecentTradesList) Symbol(symbol string) *RecentTradesList {
s.symbol = symbol
return s
}
// Limit set limit
func (s *RecentTradesList) Limit(limit int) *RecentTradesList {
s.limit = &limit
return s
}
// Send the request
func (s *RecentTradesList) Do(ctx context.Context, opts ...RequestOption) (res []*RecentTradesListResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/trades",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
err = json.Unmarshal(data, &res)
if err != nil {
return nil, err
}
return res, nil
}
// RecentTradesListResponse define recent trades list response
type RecentTradesListResponse struct {
Id uint64 `json:"id"`
Price string `json:"price"`
Qty string `json:"qty"`
Time uint64 `json:"time"`
QuoteQty string `json:"quoteQty"`
IsBuyerMaker bool `json:"isBuyerMaker"`
IsBest bool `json:"isBestMatch"`
}
// Binance Old Trade Lookup endpoint (GET /api/v3/historicalTrades)
type HistoricalTradeLookup struct {
c *Client
symbol string
limit *uint
fromId *int64
}
// Symbol set symbol
func (s *HistoricalTradeLookup) Symbol(symbol string) *HistoricalTradeLookup {
s.symbol = symbol
return s
}
// Limit set limit
func (s *HistoricalTradeLookup) Limit(limit uint) *HistoricalTradeLookup {
s.limit = &limit
return s
}
// FromId set fromId
func (s *HistoricalTradeLookup) FromId(fromId int64) *HistoricalTradeLookup {
s.fromId = &fromId
return s
}
// Send the request
func (s *HistoricalTradeLookup) Do(ctx context.Context, opts ...RequestOption) (res []*RecentTradesListResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/historicalTrades",
secType: secTypeAPIKey,
}
r.setParam("symbol", s.symbol)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
if s.fromId != nil {
r.setParam("fromId", *s.fromId)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
err = json.Unmarshal(data, &res)
if err != nil {
return nil, err
}
return res, nil
}
// Binance Compressed/Aggregate Trades List endpoint (GET /api/v3/aggTrades)
type AggTradesList struct {
c *Client
symbol string
limit *int
fromId *int
startTime *uint64
endTime *uint64
}
// Symbol set symbol
func (s *AggTradesList) Symbol(symbol string) *AggTradesList {
s.symbol = symbol
return s
}
// Limit set limit
func (s *AggTradesList) Limit(limit int) *AggTradesList {
s.limit = &limit
return s
}
// FromId set fromId
func (s *AggTradesList) FromId(fromId int) *AggTradesList {
s.fromId = &fromId
return s
}
// StartTime set startTime
func (s *AggTradesList) StartTime(startTime uint64) *AggTradesList {
s.startTime = &startTime
return s
}
// EndTime set endTime
func (s *AggTradesList) EndTime(endTime uint64) *AggTradesList {
s.endTime = &endTime
return s
}
// Send the request
func (s *AggTradesList) Do(ctx context.Context, opts ...RequestOption) (res []*AggTradesListResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/aggTrades",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
if s.fromId != nil {
r.setParam("fromId", *s.fromId)
}
if s.startTime != nil {
r.setParam("startTime", *s.startTime)
}
if s.endTime != nil {
r.setParam("endTime", *s.endTime)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
err = json.Unmarshal(data, &res)
if err != nil {
return nil, err
}
return res, nil
}
// AggTradesListResponse define compressed trades list response
type AggTradesListResponse struct {
AggTradeId uint64 `json:"a"`
Price string `json:"p"`
Qty string `json:"q"`
FirstTradeId uint64 `json:"f"`
LastTradeId uint64 `json:"l"`
Time uint64 `json:"T"`
IsBuyer bool `json:"m"`
IsBest bool `json:"M"`
}
// Binance Kline/Candlestick Data endpoint (GET /api/v3/klines)
type Klines struct {
c *Client
symbol string
interval string
limit *int
startTime *uint64
endTime *uint64
}
// Symbol set symbol
func (s *Klines) Symbol(symbol string) *Klines {
s.symbol = symbol
return s
}
// Interval set interval
func (s *Klines) Interval(interval string) *Klines {
s.interval = interval
return s
}
// Limit set limit
func (s *Klines) Limit(limit int) *Klines {
s.limit = &limit
return s
}
// StartTime set startTime
func (s *Klines) StartTime(startTime uint64) *Klines {
s.startTime = &startTime
return s
}
// EndTime set endTime
func (s *Klines) EndTime(endTime uint64) *Klines {
s.endTime = &endTime
return s
}
func (s *Klines) Do(ctx context.Context, opts ...RequestOption) (res []*KlinesResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/klines",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
r.setParam("interval", s.interval)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
if s.startTime != nil {
r.setParam("startTime", *s.startTime)
}
if s.endTime != nil {
r.setParam("endTime", *s.endTime)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
var klinesResponseArray KlinesResponseArray
err = json.Unmarshal(data, &klinesResponseArray)
if err != nil {
return nil, err
}
var klines []*KlinesResponse
for _, kline := range klinesResponseArray {
openTime := kline[0].(float64)
open := kline[1].(string)
high := kline[2].(string)
low := kline[3].(string)
close := kline[4].(string)
volume := kline[5].(string)
closeTime := kline[6].(float64)
quoteAssetVolume := kline[7].(string)
numberOfTrades := kline[8].(float64)
takerBuyBaseAssetVolume := kline[9].(string)
takerBuyQuoteAssetVolume := kline[10].(string)
// create a KlinesResponse struct using the parsed fields
klinesResponse := &KlinesResponse{
OpenTime: uint64(openTime),
Open: open,
High: high,
Low: low,
Close: close,
Volume: volume,
CloseTime: uint64(closeTime),
QuoteAssetVolume: quoteAssetVolume,
NumberOfTrades: uint64(numberOfTrades),
TakerBuyBaseAssetVolume: takerBuyBaseAssetVolume,
TakerBuyQuoteAssetVolume: takerBuyQuoteAssetVolume,
}
klines = append(klines, klinesResponse)
}
return klines, nil
}
type KlinesResponseArray [][]interface{}
// Define Klines response data
type KlinesResponse struct {
OpenTime uint64 `json:"openTime"`
Open string `json:"open"`
High string `json:"high"`
Low string `json:"low"`
Close string `json:"close"`
Volume string `json:"volume"`
CloseTime uint64 `json:"closeTime"`
QuoteAssetVolume string `json:"quoteAssetVolume"`
NumberOfTrades uint64 `json:"numberOfTrades"`
TakerBuyBaseAssetVolume string `json:"takerBuyBaseAssetVolume"`
TakerBuyQuoteAssetVolume string `json:"takerBuyQuoteAssetVolume"`
}
// Binance UI Klines GET /api/v3/uiKlines
type UiKlines struct {
c *Client
symbol string
interval string
limit *int
startTime *uint64
endTime *uint64
}
// Symbol set symbol
func (s *UiKlines) Symbol(symbol string) *UiKlines {
s.symbol = symbol
return s
}
// Interval set interval
func (s *UiKlines) Interval(interval string) *UiKlines {
s.interval = interval
return s
}
// Limit set limit
func (s *UiKlines) Limit(limit int) *UiKlines {
s.limit = &limit
return s
}
// StartTime set startTime
func (s *UiKlines) StartTime(startTime uint64) *UiKlines {
s.startTime = &startTime
return s
}
// EndTime set endTime
func (s *UiKlines) EndTime(endTime uint64) *UiKlines {
s.endTime = &endTime
return s
}
// Send the request
func (s *UiKlines) Do(ctx context.Context, opts ...RequestOption) (res []*UiKlinesResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/uiKlines",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
r.setParam("interval", s.interval)
if s.limit != nil {
r.setParam("limit", *s.limit)
}
if s.startTime != nil {
r.setParam("startTime", *s.startTime)
}
if s.endTime != nil {
r.setParam("endTime", *s.endTime)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
var uiklinesResponseArray UiKlinesResponseArray
err = json.Unmarshal(data, &uiklinesResponseArray)
if err != nil {
return nil, err
}
var uiklines []*UiKlinesResponse
for _, uikline := range uiklinesResponseArray {
openTime := uikline[0].(float64)
open := uikline[1].(string)
high := uikline[2].(string)
low := uikline[3].(string)
close := uikline[4].(string)
volume := uikline[5].(string)
closeTime := uikline[6].(float64)
quoteAssetVolume := uikline[7].(string)
numberOfTrades := uikline[8].(float64)
takerBuyBaseAssetVolume := uikline[9].(string)
takerBuyQuoteAssetVolume := uikline[10].(string)
// create a KlinesResponse struct using the parsed fields
uiklinesResponse := &UiKlinesResponse{
OpenTime: uint64(openTime),
Open: open,
High: high,
Low: low,
Close: close,
Volume: volume,
CloseTime: uint64(closeTime),
QuoteAssetVolume: quoteAssetVolume,
NumberOfTrades: uint64(numberOfTrades),
TakerBuyBaseAssetVolume: takerBuyBaseAssetVolume,
TakerBuyQuoteAssetVolume: takerBuyQuoteAssetVolume,
}
uiklines = append(uiklines, uiklinesResponse)
}
return uiklines, nil
}
type UiKlinesResponseArray [][]interface{}
// Define UiKlines response data
type UiKlinesResponse struct {
OpenTime uint64 `json:"openTime"`
Open string `json:"open"`
High string `json:"high"`
Low string `json:"low"`
Close string `json:"close"`
Volume string `json:"volume"`
CloseTime uint64 `json:"closeTime"`
QuoteAssetVolume string `json:"quoteAssetVolume"`
NumberOfTrades uint64 `json:"numberOfTrades"`
TakerBuyBaseAssetVolume string `json:"takerBuyBaseAssetVolume"`
TakerBuyQuoteAssetVolume string `json:"takerBuyQuoteAssetVolume"`
}
// Binance Current Average Price (GET /api/v3/avgPrice)
type AvgPrice struct {
c *Client
symbol string
}
// Symbol set symbol
func (s *AvgPrice) Symbol(symbol string) *AvgPrice {
s.symbol = symbol
return s
}
// Send the request
func (s *AvgPrice) Do(ctx context.Context, opts ...RequestOption) (res *AvgPriceResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/avgPrice",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
res = new(AvgPriceResponse)
err = json.Unmarshal(data, res)
if err != nil {
return nil, err
}
return res, nil
}
// Define AvgPrice response data
type AvgPriceResponse struct {
Mins uint64 `json:"mins"`
Price string `json:"price"`
}
// Binance 24hr Ticker Price Change Statistics (GET /api/v3/ticker/24hr)
type Ticker24hr struct {
c *Client
symbol *string
symbols *[]string
}
// Symbol set symbol
func (s *Ticker24hr) Symbol(symbol string) *Ticker24hr {
s.symbol = &symbol
return s
}
// Symbols set symbols
func (s *Ticker24hr) Symbols(symbols []string) *Ticker24hr {
s.symbols = &symbols
return s
}
// Send the request
func (s *Ticker24hr) Do(ctx context.Context, opts ...RequestOption) (res []*Ticker24hrResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/ticker/24hr",
secType: secTypeNone,
}
if s.symbol != nil {
r.setParam("symbol", *s.symbol)
}
if s.symbols != nil {
s, _ := json.Marshal(s.symbols)
r.setParam("symbols", string(s))
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return []*Ticker24hrResponse{}, err
}
var raw json.RawMessage
err = json.Unmarshal(data, &raw)
if err != nil {
return []*Ticker24hrResponse{}, err
}
if raw[0] == '[' {
res = make([]*Ticker24hrResponse, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*Ticker24hrResponse{}, err
}
} else {
// The response is a single object, not an array, make sure to add it to the slice
singleRes := new(Ticker24hrResponse)
err = json.Unmarshal(data, &singleRes)
if err != nil {
return []*Ticker24hrResponse{}, err
}
res = append(res, singleRes)
}
return res, nil
}
// Define Ticker24hr response data
type Ticker24hrResponse struct {
Symbol string `json:"symbol"`
PriceChange string `json:"priceChange"`
PriceChangePercent string `json:"priceChangePercent"`
WeightedAvgPrice string `json:"weightedAvgPrice"`
PrevClosePrice string `json:"prevClosePrice"`
LastPrice string `json:"lastPrice"`
LastQty string `json:"lastQty"`
BidPrice string `json:"bidPrice"`
AskPrice string `json:"askPrice"`
OpenPrice string `json:"openPrice"`
HighPrice string `json:"highPrice"`
LowPrice string `json:"lowPrice"`
Volume string `json:"volume"`
QuoteVolume string `json:"quoteVolume"`
OpenTime uint64 `json:"openTime"`
CloseTime uint64 `json:"closeTime"`
FirstId uint64 `json:"firstId"`
LastId uint64 `json:"lastId"`
Count uint64 `json:"count"`
}
// Binance Symbol Price Ticker (GET /api/v3/ticker/price)
type TickerPrice struct {
c *Client
symbol *string
symbols *[]string
}
// Symbol set symbol
func (s *TickerPrice) Symbol(symbol string) *TickerPrice {
s.symbol = &symbol
return s
}
// Symbols set symbols
func (s *TickerPrice) Symbols(symbols []string) *TickerPrice {
s.symbols = &symbols
return s
}
// Send the request
func (s *TickerPrice) Do(ctx context.Context, opts ...RequestOption) (res []*TickerPriceResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/ticker/price",
secType: secTypeNone,
}
if s.symbol != nil {
r.setParam("symbol", *s.symbol)
}
if s.symbols != nil {
r.setParam("symbols", *s.symbols)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
var raw json.RawMessage
err = json.Unmarshal(data, &raw)
if err != nil {
return []*TickerPriceResponse{}, err
}
if raw[0] == '[' {
res = make([]*TickerPriceResponse, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*TickerPriceResponse{}, err
}
} else {
// The response is a single object, not an array, make sure to add it to the slice
singleRes := new(TickerPriceResponse)
err = json.Unmarshal(data, &singleRes)
if err != nil {
return []*TickerPriceResponse{}, err
}
res = append(res, singleRes)
}
return res, nil
}
// Define TickerPrice response data
type TickerPriceResponse struct {
Symbol string `json:"symbol"`
Price string `json:"price"`
}
// Binance Symbol Order Book Ticker (GET /api/v3/ticker/bookTicker)
type TickerBookTicker struct {
c *Client
symbol *string
symbols *[]string
}
// Symbol set symbol
func (s *TickerBookTicker) Symbol(symbol string) *TickerBookTicker {
s.symbol = &symbol
return s
}
// Symbols set symbols
func (s *TickerBookTicker) Symbols(symbols []string) *TickerBookTicker {
s.symbols = &symbols
return s
}
func (s *TickerBookTicker) Do(ctx context.Context, opts ...RequestOption) (res []*TickerBookTickerResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/ticker/bookTicker",
secType: secTypeNone,
}
if s.symbol != nil {
r.setParam("symbol", *s.symbol)
}
if s.symbols != nil {
s, _ := json.Marshal(s.symbols)
r.setParam("symbols", string(s))
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return []*TickerBookTickerResponse{}, err
}
var raw json.RawMessage
err = json.Unmarshal(data, &raw)
if err != nil {
return []*TickerBookTickerResponse{}, err
}
if raw[0] == '[' {
// The response is an array, unmarshal it as before
res = make([]*TickerBookTickerResponse, 0)
err = json.Unmarshal(data, &res)
if err != nil {
return []*TickerBookTickerResponse{}, err
}
} else {
// The response is a single object, not an array, make sure to add it to the slice
singleRes := new(TickerBookTickerResponse)
err = json.Unmarshal(data, &singleRes)
if err != nil {
return []*TickerBookTickerResponse{}, err
}
res = append(res, singleRes)
}
return res, nil
}
// Define TickerBookTicker response data
type TickerBookTickerResponse struct {
Symbol string `json:"symbol"`
BidPrice string `json:"bidPrice"`
BidQty string `json:"bidQty"`
AskPrice string `json:"askPrice"`
AskQty string `json:"askQty"`
}
// Binance Rolling window price change statistics (GET /api/v3/ticker)
type Ticker struct {
c *Client
symbol string
windowSize *string
tickerType *string
}
// Symbol set symbol
func (s *Ticker) Symbol(symbol string) *Ticker {
s.symbol = symbol
return s
}
// WindowSize set windowSize
func (s *Ticker) WindowSize(windowSize string) *Ticker {
s.windowSize = &windowSize
return s
}
// Type set type
func (s *Ticker) Type(tickerType string) *Ticker {
s.tickerType = &tickerType
return s
}
// Send the request
func (s *Ticker) Do(ctx context.Context, opts ...RequestOption) (res *TickerResponse, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/api/v3/ticker",
secType: secTypeNone,
}
r.setParam("symbol", s.symbol)
if s.windowSize != nil {
r.setParam("windowSize", *s.windowSize)
}
if s.tickerType != nil {
r.setParam("type", *s.tickerType)
}
data, err := s.c.callAPI(ctx, r, opts...)
if err != nil {
return nil, err
}
res = new(TickerResponse)
err = json.Unmarshal(data, res)
if err != nil {
return nil, err
}
return res, nil
}
// Define Ticker response data
type TickerResponse struct {
Symbol string `json:"symbol"`
PriceChange string `json:"priceChange"`
PriceChangePercent string `json:"priceChangePercent"`
WeightedAvgPrice string `json:"weightedAvgPrice"`
PrevClosePrice string `json:"prevClosePrice"`
LastPrice string `json:"lastPrice"`
LastQty string `json:"lastQty"`
BidPrice string `json:"bidPrice"`
AskPrice string `json:"askPrice"`
OpenPrice string `json:"openPrice"`
HighPrice string `json:"highPrice"`
LowPrice string `json:"lowPrice"`