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(Exchange Interface) Convert Fetch & Update orderbook/ticker methods to return pointers (#398)

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* moved order and ticker fetching to return a pointer

* return nil instead of empty struct

* fixed incorrect nil

* general cleanup
This commit is contained in:
Andrew
2019-12-17 15:54:09 +11:00
committed by Adrian Gallagher
parent 44aa1e306c
commit 75ac5ee791
42 changed files with 320 additions and 348 deletions
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16
exchanges/lakebtc/lakebtc_wrapper.go
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@@ -207,10 +207,10 @@ func (l *LakeBTC) UpdateTradablePairs(forceUpdate bool) error {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (l *LakeBTC) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (l *LakeBTC) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
ticks, err := l.GetTicker()
if err != nil {
return ticker.Price{}, err
return nil, err
}
pairs := l.GetEnabledPairs(assetType)
@@ -220,7 +220,7 @@ func (l *LakeBTC) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
continue
}
var tickerPrice ticker.Price
tickerPrice := new(ticker.Price)
tickerPrice.Pair = pairs[i]
tickerPrice.Ask = c.Ask
tickerPrice.Bid = c.Bid
@@ -229,7 +229,7 @@ func (l *LakeBTC) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
tickerPrice.Low = c.Low
tickerPrice.Last = c.Last
err = ticker.ProcessTicker(l.Name, &tickerPrice, assetType)
err = ticker.ProcessTicker(l.Name, tickerPrice, assetType)
if err != nil {
log.Error(log.Ticker, err)
}
@@ -238,7 +238,7 @@ func (l *LakeBTC) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
}
// FetchTicker returns the ticker for a currency pair
func (l *LakeBTC) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (l *LakeBTC) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerNew, err := ticker.GetTicker(l.Name, p, assetType)
if err != nil {
return l.UpdateTicker(p, assetType)
@@ -247,7 +247,7 @@ func (l *LakeBTC) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Pri
}
// FetchOrderbook returns orderbook base on the currency pair
func (l *LakeBTC) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (l *LakeBTC) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
ob, err := orderbook.Get(l.Name, p, assetType)
if err != nil {
return l.UpdateOrderbook(p, assetType)
@@ -256,8 +256,8 @@ func (l *LakeBTC) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbo
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (l *LakeBTC) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var orderBook orderbook.Base
func (l *LakeBTC) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
orderbookNew, err := l.GetOrderBook(p.String())
if err != nil {
return orderBook, err