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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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14
exchanges/bitflyer/bitflyer_wrapper.go
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@@ -176,8 +176,8 @@ func (b *Bitflyer) UpdateTradablePairs(forceUpdate bool) error {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *Bitflyer) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (b *Bitflyer) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
p = b.CheckFXString(p)
@@ -191,7 +191,7 @@ func (b *Bitflyer) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.P
tickerPrice.Bid = tickerNew.BestBid
tickerPrice.Last = tickerNew.Last
tickerPrice.Volume = tickerNew.Volume
err = ticker.ProcessTicker(b.Name, &tickerPrice, assetType)
err = ticker.ProcessTicker(b.Name, tickerPrice, assetType)
if err != nil {
return tickerPrice, err
}
@@ -200,7 +200,7 @@ func (b *Bitflyer) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.P
}
// FetchTicker returns the ticker for a currency pair
func (b *Bitflyer) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (b *Bitflyer) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tick, err := ticker.GetTicker(b.Name, p, assetType)
if err != nil {
return b.UpdateTicker(p, assetType)
@@ -218,7 +218,7 @@ func (b *Bitflyer) CheckFXString(p currency.Pair) currency.Pair {
}
// FetchOrderbook returns the orderbook for a currency pair
func (b *Bitflyer) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (b *Bitflyer) 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)
@@ -227,8 +227,8 @@ func (b *Bitflyer) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderb
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (b *Bitflyer) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var orderBook orderbook.Base
func (b *Bitflyer) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
p = b.CheckFXString(p)