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/engine.go

@@ -36,7 +36,7 @@ type Engine struct {
 	apiServer               *apiServerManager
 	CommunicationsManager   *CommunicationManager
 	connectionManager       *connectionManager
-	currencyPairSyncer      *syncManager
+	currencyPairSyncer      *SyncManager
 	DatabaseManager         *DatabaseConnectionManager
 	DepositAddressManager   *DepositAddressManager
 	eventManager            *eventManager
@@ -513,7 +513,7 @@ func (bot *Engine) Start() error {
 			bot.Settings.SyncWorkersCount != config.DefaultSyncerWorkers {
 			cfg.NumWorkers = bot.Settings.SyncWorkersCount
 		}
-		if s, err := setupSyncManager(
+		if s, err := SetupSyncManager(
 			&cfg,
 			bot.ExchangeManager,
 			&bot.Config.RemoteControl,