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Add GetAveragePrice function to the binance API (#212)

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* Add GetAveragePrice function to the binance API

* Add new filters

* Remove typo
This commit is contained in:
Baptiste Lombard
2018-11-19 00:53:49 +01:00
committed by Adrian Gallagher
parent b11c52ca07
commit 47f89d838b
3 changed files with 48 additions and 8 deletions
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19
exchanges/binance/binance.go
View File

@@ -37,6 +37,7 @@ const (
historicalTrades = "/api/v1/historicalTrades"
aggregatedTrades = "/api/v1/aggTrades"
candleStick = "/api/v1/klines"
averagePrice = "/api/v3/avgPrice"
priceChange = "/api/v1/ticker/24hr"
symbolPrice = "/api/v3/ticker/price"
bestPrice = "/api/v3/ticker/bookTicker"
@@ -339,6 +340,24 @@ func (b *Binance) GetSpotKline(arg KlinesRequestParams) ([]CandleStick, error) {
return kline, nil
}
// GetAveragePrice returns current average price for a symbol.
//
// symbol: string of currency pair
func (b *Binance) GetAveragePrice(symbol string) (AveragePrice, error) {
resp := AveragePrice{}
if err := b.CheckSymbol(symbol); err != nil {
return resp, err
}
params := url.Values{}
params.Set("symbol", common.StringToUpper(symbol))
path := fmt.Sprintf("%s%s?%s", b.APIUrl, averagePrice, params.Encode())
return resp, b.SendHTTPRequest(path, &resp)
}
// GetPriceChangeStats returns price change statistics for the last 24 hours
//
// symbol: string of currency pair

8
exchanges/binance/binance_test.go
View File

@@ -96,6 +96,14 @@ func TestGetSpotKline(t *testing.T) {
}
}
func TestGetAveragePrice(t *testing.T) {
t.Parallel()
_, err := b.GetAveragePrice("BTCUSDT")
if err != nil {
t.Error("Test Failed - Binance GetAveragePrice() error", err)
}
}
func TestGetPriceChangeStats(t *testing.T) {
t.Parallel()
_, err := b.GetPriceChangeStats("BTCUSDT")

29
exchanges/binance/binance_types.go
View File

@@ -34,14 +34,21 @@ type ExchangeInfo struct {
OrderTypes []string `json:"orderTypes"`
IcebergAllowed bool `json:"icebergAllowed"`
Filters []struct {
FilterType string `json:"filterType"`
MinPrice float64 `json:"minPrice,string"`
MaxPrice float64 `json:"maxPrice,string"`
TickSize float64 `json:"tickSize,string"`
MinQty float64 `json:"minQty,string"`
MaxQty float64 `json:"maxQty,string"`
StepSize float64 `json:"stepSize,string"`
MinNotional float64 `json:"minNotional,string"`
FilterType string `json:"filterType"`
MinPrice float64 `json:"minPrice,string"`
MaxPrice float64 `json:"maxPrice,string"`
TickSize float64 `json:"tickSize,string"`
MultiplierUp float64 `json:"multiplierUp,string"`
MultiplierDown float64 `json:"multiplierDown,string"`
AvgPriceMins int64 `json:"avgPriceMins"`
MinQty float64 `json:"minQty,string"`
MaxQty float64 `json:"maxQty,string"`
StepSize float64 `json:"stepSize,string"`
MinNotional float64 `json:"minNotional,string"`
ApplyToMarket bool `json:"applyToMarket"`
Limit int64 `json:"limit"`
MaxNumAlgoOrders int64 `json:"maxNumAlgoOrders"`
MaxNumIcebergOrders int64 `json:"maxNumIcebergOrders"`
} `json:"filters"`
} `json:"symbols"`
}
@@ -224,6 +231,12 @@ type CandleStick struct {
TakerBuyQuoteAssetVolume float64
}
// AvgPrice holds current average symbol price
type AveragePrice struct {
Mins int64 `json:"mins"`
Price float64 `json:"price,string"`
}
// PriceChangeStats contains statistics for the last 24 hours trade
type PriceChangeStats struct {
Symbol string `json:"symbol"`