futures: Implement GetLatestFundingRates across exchanges (#1339)

* adds funding rate implementations and improvements

* merge fixes x1

* lint

* kucoin funding rates func make

* migrate sync-manager to keys

* some kucoin work

* adds some kucoin wrapper funcs

* ehhh, todo

* kucoin position

* start of orders

* adds the kucoin tests yay

* multiplier

* nits, EWS includes order limits

* NotYetImplemented, IsPerp improvements, cleaning

* lint, test fix, huobi time

* fixes issues, improves testing

* fixes linters I WRECKED

* local lint but remote lint, lint, lint, lint

* fixes err

* skip CI

* lint

* Supported rates, binance endpoints

* fixes weird mocktest problems

* no, CZ is invalid

* fixes some new EWS test errors

engine/websocketroutine_manager.go

@@ -242,6 +242,10 @@ func (m *WebsocketRoutineManager) websocketDataHandler(exchName string, data int
 			}
 			m.syncer.PrintTickerSummary(&d[x], "websocket", err)
 		}
+	case order.Detail,
+		ticker.Price,
+		orderbook.Depth:
+		return errUseAPointer
 	case stream.KlineData:
 		if m.verbose {
 			log.Infof(log.WebsocketMgr, "%s websocket %s %s kline updated %+v",