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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/bittrex/bittrex_wrapper.go
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@@ -222,8 +222,8 @@ func (b *Bittrex) GetAccountInfo() (exchange.AccountInfo, error) {
}
// UpdateTicker updates and returns the ticker for a currency pair
func (b *Bittrex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
var tickerPrice ticker.Price
func (b *Bittrex) UpdateTicker(p currency.Pair, assetType asset.Item) (*ticker.Price, error) {
tickerPrice := new(ticker.Price)
ticks, err := b.GetMarketSummaries()
if err != nil {
return tickerPrice, err
@@ -239,7 +239,7 @@ func (b *Bittrex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
log.Errorf(log.ExchangeSys,
"%s UpdateTicker unable to parse time: %s\n", b.Name, err)
}
tickerPrice = ticker.Price{
tickerPrice = &ticker.Price{
Last: ticks.Result[j].Last,
High: ticks.Result[j].High,
Low: ticks.Result[j].Low,
@@ -251,7 +251,7 @@ func (b *Bittrex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
Pair: pairs[i],
LastUpdated: tickerTime,
}
err = ticker.ProcessTicker(b.Name, &tickerPrice, assetType)
err = ticker.ProcessTicker(b.Name, tickerPrice, assetType)
if err != nil {
log.Error(log.Ticker, err)
}
@@ -262,7 +262,7 @@ func (b *Bittrex) UpdateTicker(p currency.Pair, assetType asset.Item) (ticker.Pr
}
// FetchTicker returns the ticker for a currency pair
func (b *Bittrex) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Price, error) {
func (b *Bittrex) 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)
@@ -271,7 +271,7 @@ func (b *Bittrex) FetchTicker(p currency.Pair, assetType asset.Item) (ticker.Pri
}
// FetchOrderbook returns the orderbook for a currency pair
func (b *Bittrex) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
func (b *Bittrex) 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)
@@ -280,8 +280,8 @@ func (b *Bittrex) FetchOrderbook(p currency.Pair, assetType asset.Item) (orderbo
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (b *Bittrex) UpdateOrderbook(p currency.Pair, assetType asset.Item) (orderbook.Base, error) {
var orderBook orderbook.Base
func (b *Bittrex) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
orderBook := new(orderbook.Base)
orderbookNew, err := b.GetOrderbook(b.FormatExchangeCurrency(p, assetType).String())
if err != nil {
return orderBook, err