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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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12
exchanges/zb/zb_wrapper.go
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@@ -215,8 +215,8 @@ func (z *ZB) UpdateTradablePairs(forceUpdate bool) error {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (z *ZB) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (z *ZB) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
result, err := z.GetTickers()
if err != nil {
@@ -250,7 +250,7 @@ func (z *ZB) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price,
}
// FetchTicker returns the ticker for a currency pair
func (z *ZB) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (z *ZB) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerNew, err := ticker.GetTicker(z.Name, p, assetType)
if err != nil {
return z.UpdateTicker(p, assetType)
@@ -259,7 +259,7 @@ func (z *ZB) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, e
}
// FetchOrderbook returns orderbook base on the currency pair
func (z *ZB) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (z *ZB) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
ob, err := orderbook.Get(z.Name, p, assetType)
if err != nil {
return z.UpdateOrderbook(p, assetType)
@@ -268,8 +268,8 @@ func (z *ZB) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Ba
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (z *ZB) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var orderBook orderbook.Base
func (z *ZB) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
curr := z.FormatExchangeCurrency(p, assetType).String()
orderbookNew, err := z.GetOrderbook(curr)