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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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30
exchanges/btse/btse_wrapper.go
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@@ -222,8 +222,8 @@ func (b *BTSE) UpdateTradablePairs(forceUpdate bool) error {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *BTSE) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (b *BTSE) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
t, err := b.GetTicker(b.FormatExchangeCurrency(p,
assetType).String())
@@ -246,7 +246,7 @@ func (b *BTSE) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price
tickerPrice.High = s.High
tickerPrice.LastUpdated = s.Time
err = ticker.ProcessTicker(b.Name, &tickerPrice, assetType)
err = ticker.ProcessTicker(b.Name, tickerPrice, assetType)
if err != nil {
return tickerPrice, err
}
@@ -254,7 +254,7 @@ func (b *BTSE) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price
}
// FetchTicker returns the ticker for a currency pair
func (b *BTSE) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (b *BTSE) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerNew, err := ticker.GetTicker(b.Name, p, assetType)
if err != nil {
return b.UpdateTicker(p, assetType)
@@ -263,7 +263,7 @@ func (b *BTSE) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price,
}
// FetchOrderbook returns orderbook base on the currency pair
func (b *BTSE) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (b *BTSE) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
ob, err := orderbook.Get(b.Name, p, assetType)
if err != nil {
return b.UpdateOrderbook(p, assetType)
@@ -272,28 +272,28 @@ func (b *BTSE) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (b *BTSE) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var resp orderbook.Base
func (b *BTSE) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
a, err := b.FetchOrderBook(b.FormatExchangeCurrency(p, assetType).String())
if err != nil {
return resp, err
return orderBook, err
}
for x := range a.BuyQuote {
resp.Bids = append(resp.Bids, orderbook.Item{
orderBook.Bids = append(orderBook.Bids, orderbook.Item{
Price: a.BuyQuote[x].Price,
Amount: a.BuyQuote[x].Size})
}
for x := range a.SellQuote {
resp.Asks = append(resp.Asks, orderbook.Item{
orderBook.Asks = append(orderBook.Asks, orderbook.Item{
Price: a.SellQuote[x].Price,
Amount: a.SellQuote[x].Size})
}
resp.Pair = p
resp.ExchangeName = b.Name
resp.AssetType = assetType
err = resp.Process()
orderBook.Pair = p
orderBook.ExchangeName = b.Name
orderBook.AssetType = assetType
err = orderBook.Process()
if err != nil {
return resp, err
return orderBook, err
}
return orderbook.Get(b.Name, p, assetType)
}