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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/gemini/gemini_wrapper.go
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@@ -236,13 +236,13 @@ func (g *Gemini) GetAccountInfo() (exchange.AccountInfo, error) {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (g *Gemini) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (g *Gemini) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
tick, err := g.GetTicker(p.String())
if err != nil {
return tickerPrice, err
}
tickerPrice = ticker.Price{
tickerPrice = &ticker.Price{
High: tick.High,
Low: tick.Low,
Bid: tick.Bid,
@@ -251,7 +251,7 @@ func (g *Gemini) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pri
Close: tick.Close,
Pair: p,
}
err = ticker.ProcessTicker(g.Name, &tickerPrice, assetType)
err = ticker.ProcessTicker(g.Name, tickerPrice, assetType)
if err != nil {
return tickerPrice, err
}
@@ -260,7 +260,7 @@ func (g *Gemini) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pri
}
// FetchTicker returns the ticker for a currency pair
func (g *Gemini) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (g *Gemini) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerNew, err := ticker.GetTicker(g.Name, p, assetType)
if err != nil {
return g.UpdateTicker(p, assetType)
@@ -269,7 +269,7 @@ func (g *Gemini) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Pric
}
// FetchOrderbook returns orderbook base on the currency pair
func (g *Gemini) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (g *Gemini) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
ob, err := orderbook.Get(g.Name, p, assetType)
if err != nil {
return g.UpdateOrderbook(p, assetType)
@@ -278,8 +278,8 @@ func (g *Gemini) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderboo
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (g *Gemini) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var orderBook orderbook.Base
func (g *Gemini) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
orderbookNew, err := g.GetOrderbook(p.String(), url.Values{})
if err != nil {
return orderBook, err