vault balance tracking

cache.js

@@ -1,6 +1,9 @@
 import {createClient} from "redis";
 
-export const redis = createClient({url: process.env.DEXORDER_REDIS_URL || 'redis://localhost:6379'})
+export const redis = createClient({
+    url: process.env.DEXORDER_REDIS_URL || 'redis://localhost:6379',
+    returnBuffers: false,
+})
 
 redis.on('error', (err) => console.log('Redis Client Error', err));
 await redis.connect();
@@ -28,7 +31,8 @@ export class CacheDict {
     }
 
     async get(chain, key) {
-        return await redis.hGet(`${chain}|${this.series}`, key)
+        const result = await redis.hGet(`${chain}|${this.series}`, key)
+        return result === null ? null : '' + result
     }
 
     async contains(chain, key) {
@@ -37,6 +41,21 @@ export class CacheDict {
 }
 
 
+export class CacheDictObject {
+    constructor(series) {
+        this.series = series
+    }
+
+    async get(chain, key) {
+        return await redis.json.get(`${chain}|${this.series}`, key)
+    }
+
+    async contains(chain, key) {
+        return await redis.json.get(`${chain}|${this.series}`, key) !== null
+    }
+}
+
+
 export class CacheObject {
     constructor(series) {
         this.series = series
@@ -57,5 +76,5 @@ async function latestBlock(chain) {
 }
 
 export const vaults = new CacheDict('v')
-export const vaultTokens = new CacheDict('vt')
+export const vaultBalances = new CacheDict('vb')
 export const prices = new CacheDict('p')