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exchanges: Add UpdateTickers method and reserve UpdateTicker for single ticker symbol update requests (if supported) (#764)

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* exchanges: add an UpdateTickers method to the main exchange interface

This method will fetch all currency pair tickers of a given asset type
and update them internally, does nothing for now.

* exchanges: refactor UpdateTicker on all exchanges

Keep the exact previous behaviour but implement the UpdateTickers
method and refactor UpdateTicker by using it where applicable.

* sync_manager: update all tickers when batching is enabled

* binance: UpdateTicker to fetch single ticker symbol

* ftx: UpdateTicker to fetch single ticker symbol
This commit is contained in:
Luis Rascão
2021-08-27 03:31:34 +01:00
committed by GitHub
parent 4851e94eba
commit c9ab0b1164
52 changed files with 931 additions and 267 deletions
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13
exchanges/bitstamp/bitstamp_wrapper.go
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@@ -304,9 +304,14 @@ func (b *Bitstamp) UpdateTradablePairs(forceUpdate bool) error {
return b.UpdatePairs(p, asset.Spot, false, forceUpdate)
}
// UpdateTickers updates the ticker for all currency pairs of a given asset type
func (b *Bitstamp) UpdateTickers(a asset.Item) error {
return common.ErrFunctionNotSupported
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *Bitstamp) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
fPair, err := b.FormatExchangeCurrency(p, assetType)
func (b *Bitstamp) UpdateTicker(p currency.Pair, a asset.Item) (*ticker.Price, error) {
fPair, err := b.FormatExchangeCurrency(p, a)
if err != nil {
return nil, err
}
@@ -327,12 +332,12 @@ func (b *Bitstamp) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.
Pair: fPair,
LastUpdated: time.Unix(tick.Timestamp, 0),
ExchangeName: b.Name,
AssetType: assetType})
AssetType: a})
if err != nil {
return nil, err
}
return ticker.GetTicker(b.Name, fPair, assetType)
return ticker.GetTicker(b.Name, fPair, a)
}
// FetchTicker returns the ticker for a currency pair