Fixes per converstaion, stats interface to pub

packages/order-watcher/CHANGELOG.json

@@ -3,10 +3,10 @@
         "version": "2.1.2",
         "changes": [
             {
-                "note": "Added getStats function and returns a Stats object"
+                "note": "Added getStats function and returns a Stats object",
+                "pr": 1118
             }
-        ],
-        "timestamp": 1538836030
+        ]
     },
     {
         "version": "2.1.1",

packages/order-watcher/src/order_watcher/order_watcher.ts

@@ -30,7 +30,7 @@ import {
     orderHashUtils,
     OrderStateUtils,
 } from '@0xproject/order-utils';
-import { AssetProxyId, ExchangeContractErrs, OrderState, SignedOrder } from '@0xproject/types';
+import { AssetProxyId, ExchangeContractErrs, OrderState, SignedOrder, Stats } from '@0xproject/types';
 import { errorUtils, intervalUtils } from '@0xproject/utils';
 import { BlockParamLiteral, LogEntryEvent, LogWithDecodedArgs, Provider } from 'ethereum-types';
 import * as _ from 'lodash';
@@ -57,10 +57,6 @@ interface OrderStateByOrderHash {
     [orderHash: string]: OrderState;
 }
 
-export interface Stats {
-    orderCount: number;
-}
-
 const DEFAULT_ORDER_WATCHER_CONFIG: OrderWatcherConfig = {
     orderExpirationCheckingIntervalMs: 50,
     eventPollingIntervalMs: 200,
@@ -222,7 +218,7 @@ export class OrderWatcher {
      */
     public getStats(): Stats {
         return {
-            orderCount : _.size(this._orderByOrderHash),
+            orderCount: _.size(this._orderByOrderHash),
         };
     }
     private async _cleanupAsync(): Promise<void> {

packages/types/src/index.ts

@@ -599,3 +599,7 @@ export interface Metadata {
     externalTypeToLink: ExternalTypeToLink;
     externalExportToLink: ExternalExportToLink;
 }
+
+export interface Stats {
+    orderCount: number;
+}