GateIO: Enhance order execution limits and currency pair details (#2018)

* refactor(gateio): enhance order execution limits and currency pair details

* Update exchanges/gateio/gateio_wrapper.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* REEEEEHHHHHH

* linter: fix

* fix GetOpenInterest when a contract is delisted

* add handling for delisting end time correctly

* Update exchange/order/limits/limits_types.go

Co-authored-by: Gareth Kirwan <gbjkirwan@gmail.com>

* Update exchange/order/limits/limits_types.go

Co-authored-by: Gareth Kirwan <gbjkirwan@gmail.com>

* Update exchanges/gateio/gateio_types.go

Co-authored-by: Gareth Kirwan <gbjkirwan@gmail.com>

* Update exchanges/gateio/gateio_types.go

Co-authored-by: Gareth Kirwan <gbjkirwan@gmail.com>

* gk: nits

* gci: fix

* linter: fix

* gateio: Add launch and update tests (cherry-pick)

* gk: nits + removed spot setting delisting as delisted because it is not a start time value

* glorious: apply diff

---------

Co-authored-by: Ryan O'Hara-Reid <ryan.oharareid@thrasher.io>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Gareth Kirwan <gbjkirwan@gmail.com>

exchange/order/limits/limits_types.go

@@ -52,6 +52,7 @@ type MinMaxLevel struct {
 	MinPrice                float64
 	MaxPrice                float64
 	PriceStepIncrementSize  float64
+	PriceDivisor            float64
 	MultiplierUp            float64
 	MultiplierDown          float64
 	MultiplierDecimal       float64
@@ -69,4 +70,8 @@ type MinMaxLevel struct {
 	MarketStepIncrementSize float64
 	MaxTotalOrders          int64
 	MaxAlgoOrders           int64
+	Listed                  time.Time
+	Delisting               time.Time
+	Delisted                time.Time
+	Expiry                  time.Time
 }