Exchanges: Add config variable to set bypassing of orderbook verification by exchange (#614)

* Exchanges: Add config variable to set bypassing of orderbook verification

* Exchanges: Consolidate orderbook variables into config struct

* Exchanges: Addr nit; set verification bypass on websocket book implementations

exchanges/gemini/gemini_websocket.go

@@ -397,6 +397,7 @@ func (g *Gemini) wsProcessUpdate(result WsMarketUpdateResponse, pair currency.Pa
 		newOrderBook.AssetType = asset.Spot
 		newOrderBook.Pair = pair
 		newOrderBook.ExchangeName = g.Name
+		newOrderBook.VerificationBypass = g.OrderbookVerificationBypass
 		err := g.Websocket.Orderbook.LoadSnapshot(&newOrderBook)
 		if err != nil {
 			g.Websocket.DataHandler <- err

exchanges/gemini/gemini_wrapper.go

@@ -142,8 +142,8 @@ func (g *Gemini) Setup(exch *config.ExchangeConfig) error {
 		RunningURL:                       exch.API.Endpoints.WebsocketURL,
 		Connector:                        g.WsConnect,
 		Features:                         &g.Features.Supports.WebsocketCapabilities,
-		OrderbookBufferLimit:             exch.WebsocketOrderbookBufferLimit,
-		BufferEnabled:                    exch.WebsocketOrderbookBufferEnabled,
+		OrderbookBufferLimit:             exch.OrderbookConfig.WebsocketBufferLimit,
+		BufferEnabled:                    exch.OrderbookConfig.WebsocketBufferEnabled,
 		SortBuffer:                       true,
 	})
 }
@@ -294,7 +294,12 @@ func (g *Gemini) FetchOrderbook(p currency.Pair, assetType asset.Item) (*orderbo
 
 // UpdateOrderbook updates and returns the orderbook for a currency pair
 func (g *Gemini) UpdateOrderbook(p currency.Pair, assetType asset.Item) (*orderbook.Base, error) {
-	book := &orderbook.Base{ExchangeName: g.Name, Pair: p, AssetType: assetType}
+	book := &orderbook.Base{
+		ExchangeName:       g.Name,
+		Pair:               p,
+		AssetType:          assetType,
+		VerificationBypass: g.OrderbookVerificationBypass,
+	}
 	fPair, err := g.FormatExchangeCurrency(p, assetType)
 	if err != nil {
 		return book, err