exchanges: Remove FTX implementation and fix minor test issues (#1100)

* exchanges: Start removal of FTX

* Get tests happy again

* okx: improve logic and add basic coverage

* Fix linterino

* Round 2 plus rm useless assignment in test

* Fix exchange_wrapper_issues test error

* Fix nitters

* Address nitters

exchanges/kline/kline.go

@@ -270,6 +270,8 @@ func durationToWord(in Interval) string {
 		return "oneday"
 	case ThreeDay:
 		return "threeday"
+	case FiveDay:
+		return "fiveday"
 	case FifteenDay:
 		return "fifteenday"
 	case OneWeek:

exchanges/kline/kline_test.go

@@ -214,6 +214,10 @@ func TestDurationToWord(t *testing.T) {
 			"ThreeDay",
 			ThreeDay,
 		},
+		{
+			"FiveDay",
+			FiveDay,
+		},
 		{
 			"FifteenDay",
 			FifteenDay,
@@ -337,6 +341,11 @@ func TestTotalCandlesPerInterval(t *testing.T) {
 			ThreeDay,
 			121,
 		},
+		{
+			"FiveDay",
+			FiveDay,
+			73,
+		},
 		{
 			"FifteenDay",
 			FifteenDay,

exchanges/kline/kline_types.go

@@ -28,6 +28,7 @@ const (
 	OneDay        = 24 * OneHour
 	TwoDay        = 2 * OneDay
 	ThreeDay      = 3 * OneDay
+	FiveDay       = 5 * OneDay
 	SevenDay      = 7 * OneDay
 	FifteenDay    = 15 * OneDay
 	OneWeek       = 7 * OneDay