This exchanges package is part of the GoCryptoTrader codebase.
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Candle retrieval is handled by two methods
GetHistoricCandles which makes a single request to the exchange and follows all exchange limitations
func (b *base) GetHistoricCandles(ctx context.Context, pair currency.Pair, a asset.Item, start, end time.Time, interval kline.Interval) (kline.Item, error) {
return kline.Item{}, common.ErrFunctionNotSupported
}GetHistoricCandlesExtended that will make multiple requests to an exchange if the requested periods are outside exchange limits
func (b *base) GetHistoricCandlesExtended(ctx context.Context, pair currency.Pair, a asset.Item, start, end time.Time, interval kline.Interval) (kline.Item, error) {
return kline.Item{}, common.ErrFunctionNotSupported
}both methods return kline.Item{}
// Item holds all the relevant information for internal kline elements
type Item struct {
Exchange string
Pair currency.Pair
Asset asset.Item
Interval Interval
Candles []Candle
}
// Candle holds historic rate information.
type Candle struct {
Time time.Time
Open float64
High float64
Low float64
Close float64
Volume float64
}A helper tool cmd/dbseed has been created for assisting with candle data migration
| Exchange | Supported |
|---|---|
| Binance.US | Y |
| Binance | Y |
| Bitfinex | Y |
| Bitflyer | |
| Bithumb | Y |
| Bitmex | |
| Bitstamp | Y |
| BTC Markets | Y |
| Bittrex | |
| BTSE | Y |
| Bybit | Y |
| Coinbase Pro | Y |
| Coinut | |
| Exmo | |
| GateIO | Y |
| Gemini | |
| HitBTC | Y |
| Huobi | Y |
| FTX | Y |
| itBIT | |
| Kraken | Y |
| lBank | Y |
| Localbitcoins | |
| Okcoin | Y |
| Okex | Y |
| Poloniex | Y |
| Yobit | |
| ZB | Y |