Binance,Okx: Add Leverage, MarginType, Positions and CollateralMode support (#1220)

* init

* surprise train commit

* basic distinctions

* the terms of binance are confusing

* renames and introduction of allocatedMargin

* add new margin funcs

* pulling out wires

* implement proper getposition stuff

* bad coding day

* investigate order manager next

* a broken mess, but a progressing one

* finally completes some usdtmargined stuff

* coinMfutures eludes me

* expand to okx

* imports fix

* completes okx wrapper implementations

* cleans and polishes before rpc implementations

* rpc setup, order manager features, exch features

* more rpc, collateral and margin things

* mini test

* looking at rpc response, expansion of features

* reorganising before the storm

* changing how futures requests work

* cleanup and tests of cli usage

* remove silly client side logic

* cleanup

* collateral package, typo fix, margin err, rpc derive

* uses convert.StringToFloat ONLY ON STRUCTS FROM THIS PR

* fix binance order history bug

* niteroos

* adds new funcs to exchange standards testing

* more post merge fixes

* fix binance

* replace simepletimeformat

* fix for merge

* merge fixes

* micro fixes

* order side now required for leverage

* fix up the rest

* global -> portfolio collateral

* Update exchanges/collateral/collateral_test.go

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

* adds fields and todos

* rm field redundancy

* lint fix oopsie daisy

* fixes panic, expands error and cli explanations (sorry shaz)

* ensures casing is appropriate for underlying

* Adds a shiny TODO

---------

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

engine/helpers.go

@@ -133,13 +133,7 @@ func (bot *Engine) SetSubsystem(subSystemName string, enable bool) error {
 	case OrderManagerName:
 		if enable {
 			if bot.OrderManager == nil {
-				bot.OrderManager, err = SetupOrderManager(
-					bot.ExchangeManager,
-					bot.CommunicationsManager,
-					&bot.ServicesWG,
-					bot.Config.OrderManager.Verbose,
-					bot.Config.OrderManager.ActivelyTrackFuturesPositions,
-					bot.Config.OrderManager.FuturesTrackingSeekDuration)
+				bot.OrderManager, err = SetupOrderManager(bot.ExchangeManager, bot.CommunicationsManager, &bot.ServicesWG, &bot.Config.OrderManager)
 				if err != nil {
 					return err
 				}