order: slight optimizations (#917)

* order: slight optimizations

* orders: add benchmarks, small optimize and change order side to uin8 for comparitive optimizations.

* orders: continue to convert string type -> uint

* orders/backtester: interim move type to orders package, later can expand or deprecate.

* orders: handle errors

* orders: optimize filters and remove error returns when its clearly not needed

* orders: remove log call

* backtester: zero value check

* orders/futures: zero value -> flag

* linter: fix

* linter: more fixes

* linters: rides again

* glorious: nits

* common: Add zero value unix check for time values; also addresses glorious nits

* glorious scott: nits

Co-authored-by: Ryan O'Hara-Reid <ryan.oharareid@thrasher.io>

gctscript/wrappers/validator/validator.go

@@ -124,10 +124,10 @@ func (w Wrapper) QueryOrder(ctx context.Context, exch, _ string, _ currency.Pair
 		AccountID:       "hello",
 		ID:              "1",
 		Pair:            pair,
-		Side:            "ask",
-		Type:            "limit",
+		Side:            order.Ask,
+		Type:            order.Limit,
 		Date:            time.Now(),
-		Status:          "cancelled",
+		Status:          order.Cancelled,
 		Price:           1,
 		Amount:          2,
 		ExecutedAmount:  1,
@@ -139,8 +139,8 @@ func (w Wrapper) QueryOrder(ctx context.Context, exch, _ string, _ currency.Pair
 				Price:       1,
 				Amount:      2,
 				Exchange:    exch,
-				Type:        "limit",
-				Side:        "ask",
+				Type:        order.Limit,
+				Side:        order.Ask,
 				Fee:         0,
 				Description: "",
 			},