Make MarketDataCache a singleton with a clear() method that can be us…

…ed when switching networks. Signed-off-by: Simon Viénot <[email protected]>
hashgraph · Nov 23, 2023 · c013a27 · c013a27
1 parent 7886895
commit c013a27
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Showing 3 changed files with 20 additions and 10 deletions.
diff --git a/src/components/dashboard/HbarMarketDashboard.vue b/src/components/dashboard/HbarMarketDashboard.vue
@@ -110,9 +110,8 @@ export default defineComponent({
     const hbarTotalLabel = 'HBAR TOTAL'
 
     // marketDataCache
-    const marketDataCache = new MarketDataCache()
-    onMounted(() => marketDataCache.mount())
-    onBeforeUnmount(() => marketDataCache.unmount())
+    onMounted(() => MarketDataCache.instance.mount())
+    onBeforeUnmount(() => MarketDataCache.instance.unmount())
 
     return {
       isMainNetwork,
@@ -123,13 +122,13 @@ export default defineComponent({
       hbarMarketCapLabel,
       hbarReleasedLabel,
       hbarTotalLabel,
-      marketDataCache, // For testing purpose
-      hbarReleased: marketDataCache.hbarReleased,
-      hbarTotal: marketDataCache.hbarTotal,
-      hbarPrice: marketDataCache.hbarPrice,
-      hbarPriceVariation: marketDataCache.hbarPriceVariation,
-      hbarMarketCap: marketDataCache.hbarMarketCap,
-      hbarMarketCapVariation: marketDataCache.hbarMarketCapVariation,
+      marketDataCache: MarketDataCache.instance, // For testing purpose
+      hbarReleased: MarketDataCache.instance.hbarReleased,
+      hbarTotal: MarketDataCache.instance.hbarTotal,
+      hbarPrice: MarketDataCache.instance.hbarPrice,
+      hbarPriceVariation: MarketDataCache.instance.hbarPriceVariation,
+      hbarMarketCap: MarketDataCache.instance.hbarMarketCap,
+      hbarMarketCapVariation: MarketDataCache.instance.hbarMarketCapVariation,
     }
   },
 });

diff --git a/src/components/dashboard/MarketDataCache.ts b/src/components/dashboard/MarketDataCache.ts
@@ -27,6 +27,8 @@ export class MarketDataCache {
     //
     // Public
     //
+    public static readonly instance = new MarketDataCache()
+
     public readonly hbarPriceCache = new HbarPriceLoader()
     public readonly hbarPrice24hCache = new HbarPriceLoader(86400)
     public readonly hbarSupplyCache = new HbarSupplyLoader()
@@ -91,4 +93,11 @@ export class MarketDataCache {
         this.hbarSupplyCache.mounted.value = false
         this.hbarSupply24hCache.mounted.value = false
     }
+
+    public clear(): void {
+        this.hbarPriceCache.requestLoad()
+        this.hbarPrice24hCache.requestLoad()
+        this.hbarSupplyCache.requestLoad()
+        this.hbarSupply24hCache.requestLoad()
+    }
 }
diff --git a/src/utils/cache/CacheUtils.ts b/src/utils/cache/CacheUtils.ts
@@ -45,6 +45,7 @@ import {ContractResultByTransactionIdCache} from "@/utils/cache/ContractResultBy
 import {ContractResultByTsCache} from "@/utils/cache/ContractResultByTsCache";
 import {SourcifyCache} from "@/utils/cache/SourcifyCache";
 import {TokenAssociationCache} from "@/utils/cache/TokenAssociationCache";
+import {MarketDataCache} from "@/components/dashboard/MarketDataCache";
 
 export class CacheUtils {
 
@@ -62,6 +63,7 @@ export class CacheUtils {
         ContractResultByHashCache.instance.clear()
         ContractResultByTransactionIdCache.instance.clear()
         ContractResultByTsCache.instance.clear()
+        MarketDataCache.instance.clear()
         HbarPriceCache.instance.clear()
         // IPFSCache.instance => no clear: we preserve it because IPFS content is valid for all networks
         NetworkCache.instance.clear()