vault recent orders (status bugfix)

cache.js

@@ -29,9 +29,9 @@ export class CacheDict {
         this.series = series
     }
 
-    async get(chain, key) {
+    async get(chain, key, default_=null) {
         const result = await redis.hGet(`${chain}|${this.series}`, key)
-        return result === null ? null : '' + result
+        return result === null ? default_ : '' + result
     }
 
     async contains(chain, key) {
@@ -80,5 +80,6 @@ export const vaultBalances = new CacheDict('vb')
 export const prices = new CacheDict('p')
 export const orderStatuses = new CacheDict('o')
 export const vaultOpenOrders = new CacheDict('voo')
+export const vaultRecentlyClosedOrders = new CacheDict('vrco')
 export const orderFilled = new CacheDict('of')
 export const ohlcs = new CacheDict('ohlc')