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bugfix: don't index or range over data if length is zero

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This commit is contained in:
Adrian Gallagher
2018-09-20 14:46:38 +10:00
parent fb4e2d1452
commit 042c4bfef2
4 changed files with 27 additions and 5 deletions
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2
exchanges/coinbasepro/coinbasepro_wrapper.go
View File

@@ -126,7 +126,7 @@ func (c *CoinbasePro) UpdateOrderbook(p pair.CurrencyPair, assetType string) (or
}
for x := range obNew.Asks {
orderBook.Asks = append(orderBook.Asks, orderbook.Item{Amount: obNew.Bids[x].Amount, Price: obNew.Bids[x].Price})
orderBook.Asks = append(orderBook.Asks, orderbook.Item{Amount: obNew.Asks[x].Amount, Price: obNew.Asks[x].Price})
}
orderbook.ProcessOrderbook(c.GetName(), p, orderBook, assetType)

8
exchanges/gateio/gateio.go
View File

@@ -200,6 +200,10 @@ func (g *Gateio) GetOrderbook(symbol string) (Orderbook, error) {
var ob Orderbook
if len(resp.Asks) == 0 {
return ob, errors.New("asks are empty")
}
// Asks are in reverse order
for x := len(resp.Asks) - 1; x != 0; x-- {
data := resp.Asks[x]
@@ -217,6 +221,10 @@ func (g *Gateio) GetOrderbook(symbol string) (Orderbook, error) {
ob.Asks = append(ob.Asks, OrderbookItem{Price: price, Amount: amount})
}
if len(resp.Bids) == 0 {
return ob, errors.New("bids are empty")
}
for x := range resp.Bids {
data := resp.Bids[x]

11
exchanges/huobi/huobi_wrapper.go
View File

@@ -95,8 +95,15 @@ func (h *HUOBI) UpdateTicker(p pair.CurrencyPair, assetType string) (ticker.Pric
tickerPrice.Last = tick.Close
tickerPrice.Volume = tick.Volume
tickerPrice.High = tick.High
tickerPrice.Ask = tick.Ask[0]
tickerPrice.Bid = tick.Bid[0]
if len(tick.Ask) > 0 {
tickerPrice.Ask = tick.Ask[0]
}
if len(tick.Bid) > 0 {
tickerPrice.Bid = tick.Bid[0]
}
ticker.ProcessTicker(h.GetName(), p, tickerPrice, assetType)
return ticker.GetTicker(h.Name, p, assetType)
}

11
exchanges/huobihadax/huobihadax_wrapper.go
View File

@@ -59,8 +59,15 @@ func (h *HUOBIHADAX) UpdateTicker(p pair.CurrencyPair, assetType string) (ticker
tickerPrice.Last = tick.Close
tickerPrice.Volume = tick.Volume
tickerPrice.High = tick.High
tickerPrice.Ask = tick.Ask[0]
tickerPrice.Bid = tick.Bid[0]
if len(tick.Ask) > 0 {
tickerPrice.Ask = tick.Ask[0]
}
if len(tick.Bid) > 0 {
tickerPrice.Bid = tick.Bid[0]
}
ticker.ProcessTicker(h.GetName(), p, tickerPrice, assetType)
return ticker.GetTicker(h.Name, p, assetType)
}