exchanges/qa: Add exchange wrapper testing suite (#1159)

* initial concept of a nice validation tester for exchanges

* adds some datahandler design

* expand testing

* more tests and fixes

* minor end of day fix for bithumb

* fixes implementation issues

* more test coverage and improvements, but not sure if i should continue

* fix more wrapper implementations

* adds error type, more fixes

* changes signature, fixes implementations

* fixes more wrapper implementations

* one more bit

* more cleanup

* WOW things work?

* lintle 1/1337

* mini bump

* fixes all linting

* neaten

* GetOrderInfo+ asset pair fixes+improvements

* adds new websocket test

* expand ws testing

* fix bug, expand tests, improve implementation

* code coverage of a lot of new codes

* fixes everything

* reverts accidental changes

* minor fixes from reviewing code

* removes Bitfinex cancelBatchOrder implementation

* fixes dumb baby typo for babies

* mini nit fixes

* so many nits to address

* addresses all the nits

* Titlecase

* switcheroo

* removes websocket testing for now

* fix appveyor, minor test fix

* fixes typo, re-kindles killed kode

* skip binance wrapper tests when running CI

* expired context, huobi okx fixes

* kodespull

* fix ordering

* time fix because why not

* fix exmo, others

* hopefully this fixes all of my life's problems

* last thing today

* huobi, more like hypotrophy

* golangci-lint, more like mypooroldknee-splint

* fix huobi times by removing them

* should fix okx currency issues

* blocks the application

* adds last little contingency for pairs

* addresses most nits and new problems

* lovely fixed before seeing why okx sucks

* fixes issues with okx websocket

* the classic receieieivaier

* lintle

* adds test and fixes existing tests

* expands error handling messages during setup

* fixes dumb okx bugs introduced

* quick fix for lint and exmo

* fixes nixes

* fix exmo deposit issue

* lint

* fixes issue with extra asset runs missing

* fix surprise race

* all the lint and merge fixes

* fixes surprise bugs in OKx

* fixes issues with times and chains

* fixing all the merge stuff

* merge fix

* rm logs and a panic potential

* lovely lint lament

* an easy demonstration of scenario, but not of initial purpose

* put it in the bin

* Revert "put it in the bin"

This reverts commit 15c6490f713233d43f10957367fcbf18e3818bdd.

* re-add after immediate error popup

* fix mini poor test design

* okx okay

* merge fixes

* fixes issues discovered in lovely test

* I FORGOT TO COMMIT THIS

* nit fixaroonaboo

* forgoetten test fix

* revert old okx asset intrument work

* fixes

* revert problems I didnt understand. update bybit

* fix merge bugs

* test cleanup

* further improvements

* reshuffle and lint

* rm redundant CI_TEST by rm the CI_TEST field that is redundant

* path fix

* move to its own section, dont run on 32 bit + appveyor

* lint

* fix lbank

* address nits

* let it rip

* fix failing test time range

* niteroo boogaloo

* mod tidy, use common.SimpleTimeFormat

engine/rpcserver.go

@@ -721,7 +721,7 @@ func (s *RPCServer) GetAccountInfoStream(r *gctrpc.GetAccountInfoRequest, stream
 
 		holdings, ok := data.(*account.Holdings)
 		if !ok {
-			return common.GetAssertError("*account.Holdings", data)
+			return common.GetTypeAssertError("*account.Holdings", data)
 		}
 
 		accounts := make([]*gctrpc.Account, len(holdings.Accounts))
@@ -957,7 +957,7 @@ func (s *RPCServer) GetOrders(ctx context.Context, r *gctrpc.GetOrdersRequest) (
 		return nil, err
 	}
 
-	request := &order.GetOrdersRequest{
+	request := &order.MultiOrderRequest{
 		Pairs:     []currency.Pair{cp},
 		AssetType: a,
 		Type:      order.AnyType,
@@ -1983,7 +1983,7 @@ func (s *RPCServer) GetExchangePairs(_ context.Context, r *gctrpc.GetExchangePai
 			return nil, err
 		}
 		if !assetTypes.Contains(a) {
-			return nil, fmt.Errorf("specified asset %s is not supported by exchange", a)
+			return nil, fmt.Errorf("%w %v", asset.ErrNotSupported, a)
 		}
 	}
 
@@ -2195,7 +2195,7 @@ func (s *RPCServer) GetExchangeOrderbookStream(r *gctrpc.GetExchangeOrderbookStr
 
 		d, ok := data.(orderbook.Outbound)
 		if !ok {
-			return common.GetAssertError("orderbook.Outbound", data)
+			return common.GetTypeAssertError("orderbook.Outbound", data)
 		}
 
 		resp := &gctrpc.OrderbookResponse{}
@@ -2280,7 +2280,7 @@ func (s *RPCServer) GetTickerStream(r *gctrpc.GetTickerStreamRequest, stream gct
 
 		t, ok := data.(*ticker.Price)
 		if !ok {
-			return common.GetAssertError("*ticker.Price", data)
+			return common.GetTypeAssertError("*ticker.Price", data)
 		}
 
 		err := stream.Send(&gctrpc.TickerResponse{
@@ -2333,7 +2333,7 @@ func (s *RPCServer) GetExchangeTickerStream(r *gctrpc.GetExchangeTickerStreamReq
 
 		t, ok := data.(*ticker.Price)
 		if !ok {
-			return common.GetAssertError("*ticker.Price", data)
+			return common.GetTypeAssertError("*ticker.Price", data)
 		}
 
 		err := stream.Send(&gctrpc.TickerResponse{
@@ -2575,7 +2575,7 @@ func (s *RPCServer) GCTScriptStatus(_ context.Context, _ *gctrpc.GCTScriptStatus
 	gctscript.AllVMSync.Range(func(k, v interface{}) bool {
 		vm, ok := v.(*gctscript.VM)
 		if !ok {
-			log.Errorf(log.GRPCSys, "%v", common.GetAssertError("*gctscript.VM", v))
+			log.Errorf(log.GRPCSys, "%v", common.GetTypeAssertError("*gctscript.VM", v))
 			return false
 		}
 		resp.Scripts = append(resp.Scripts, &gctrpc.GCTScript{
@@ -2609,7 +2609,7 @@ func (s *RPCServer) GCTScriptQuery(_ context.Context, r *gctrpc.GCTScriptQueryRe
 
 	vm, ok := v.(*gctscript.VM)
 	if !ok {
-		return nil, errors.New("unable to type assert gctscript.VM")
+		return nil, common.GetTypeAssertError("*gctscript.VM", v)
 	}
 	resp := &gctrpc.GCTScriptQueryResponse{
 		Status: MsgStatusOK,
@@ -2677,7 +2677,7 @@ func (s *RPCServer) GCTScriptStop(_ context.Context, r *gctrpc.GCTScriptStopRequ
 
 	vm, ok := v.(*gctscript.VM)
 	if !ok {
-		return nil, errors.New("unable to type assert gctscript.VM")
+		return nil, common.GetTypeAssertError("*gctscript.VM", v)
 	}
 	err = vm.Shutdown()
 	status := " terminated"