Bitfinex: Remove unused errs and types

exchanges/bitfinex/bitfinex_types.go

@@ -13,7 +13,6 @@ import (
 
 var (
 	errSetCannotBeEmpty = errors.New("set cannot be empty")
-	errSubNotFound      = errors.New("could not find matching subscription")
 	errTypeAssert       = errors.New("type assertion failed")
 	errUnknownError     = errors.New("unknown error")
 	errParamNotAllowed  = errors.New("param not allowed")

exchanges/bitfinex/bitfinex_websocket.go

@@ -2144,24 +2144,3 @@ subSort:
 		break
 	}
 }
-
-func assetPairFromSymbol(symbol string) (asset.Item, currency.Pair, error) {
-	assetType := asset.Spot
-
-	if symbol == "" {
-		return assetType, currency.EMPTYPAIR, nil
-	}
-
-	switch symbol[0] {
-	case 'f':
-		assetType = asset.MarginFunding
-	case 't':
-		assetType = asset.Spot
-	default:
-		return assetType, currency.EMPTYPAIR, fmt.Errorf("unknown pair prefix: %v", symbol[0])
-	}
-
-	pair, err := currency.NewPairFromString(symbol[1:])
-
-	return assetType, pair, err
-}

exchanges/stream/websocket.go

@@ -51,7 +51,6 @@ var (
 	errSubscriptionNotFound                 = errors.New("subscription not found in list")
 	errAlreadySubscribed                    = errors.New("already subscribed")
 	errNoChannelsInArgs                     = errors.New("no channels in args")
-	errKeyCannotBeNil                       = errors.New("key cannot be nil")
 )
 
 var globalReporter Reporter