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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/bitfinex/bitfinex_wrapper.go
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@@ -240,8 +240,8 @@ func (b *Bitfinex) UpdateTradablePairs(forceUpdate bool) error {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *Bitfinex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (b *Bitfinex) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
enabledPairs := b.GetEnabledPairs(assetType)
var pairs []string
for x := range enabledPairs {
@@ -274,7 +274,7 @@ func (b *Bitfinex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.P
}
// FetchTicker returns the ticker for a currency pair
func (b *Bitfinex) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (b *Bitfinex) FetchTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
b.appendOptionalDelimiter(&p)
tick, err := ticker.GetTicker(b.Name, p, asset.Spot)
if err != nil {
@@ -284,7 +284,7 @@ func (b *Bitfinex) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
}
// FetchOrderbook returns the orderbook for a currency pair
func (b *Bitfinex) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (b *Bitfinex) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
b.appendOptionalDelimiter(&p)
ob, err := orderbook.Get(b.Name, p, assetType)
if err != nil {
@@ -294,9 +294,9 @@ func (b *Bitfinex) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderb
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (b *Bitfinex) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (b *Bitfinex) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
b.appendOptionalDelimiter(&p)
var orderBook orderbook.Base
orderBook := new(orderbook.Base)
urlVals := url.Values{}
urlVals.Set("limit_bids", "100")
urlVals.Set("limit_asks", "100")