gateio/kucoin: assortment of fixes (#1404)

* gateio: fix unmarshal bug and update fields

* gateio: fix wrapper function function, add helper methods

* update order types and add kucoin wrapper fix

* currency pairs

* Add tests

* gateio; inspect error and continue for no funds in account, kucoin: fetch all settlement amounts

* futures: order fixit

* finish off gateio updates for market orders

* cute line

* Update exchanges/kucoin/kucoin_wrapper.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/kucoin/kucoin_wrapper.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/gateio/gateio.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/gateio/gateio_wrapper.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/gateio/gateio_wrapper.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* glorious: nits

* glorious: nits - filter by pair match and fix bug where the endpoint returns details instead of message

* Add fix for leverage check (non-merge) my ip has been blocked from gateio still... scammmmmmmm

* glorious: nitters

* Update exchanges/gateio/gateio_test.go

Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

* Update exchanges/gateio/gateio_test.go

Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

* Update exchanges/gateio/gateio_test.go

Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

---------

Co-authored-by: Ryan O'Hara-Reid <ryan.oharareid@thrasher.io>
Co-authored-by: Scott <gloriousCode@users.noreply.github.com>
Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

exchanges/order/order_types.go

@@ -101,17 +101,18 @@ type SubmitResponse struct {
 	Pair      currency.Pair
 	AssetType asset.Item
 
-	ImmediateOrCancel bool
-	FillOrKill        bool
-	PostOnly          bool
-	ReduceOnly        bool
-	Leverage          float64
-	Price             float64
-	Amount            float64
-	QuoteAmount       float64
-	TriggerPrice      float64
-	ClientID          string
-	ClientOrderID     string
+	ImmediateOrCancel    bool
+	FillOrKill           bool
+	PostOnly             bool
+	ReduceOnly           bool
+	Leverage             float64
+	Price                float64
+	AverageExecutedPrice float64
+	Amount               float64
+	QuoteAmount          float64
+	TriggerPrice         float64
+	ClientID             string
+	ClientOrderID        string
 
 	LastUpdated time.Time
 	Date        time.Time
@@ -222,6 +223,7 @@ type Detail struct {
 	Pair                 currency.Pair
 	MarginType           margin.Type
 	Trades               []TradeHistory
+	SettlementCurrency   currency.Code
 }
 
 // Filter contains all properties an order can be filtered for