From 3658dadb793ed2ee0402a6a9d56b570953aeda5e Mon Sep 17 00:00:00 2001
From: hotequil <hotequil@protonmail.com>
Date: Tue, 22 Oct 2024 17:59:23 -0300
Subject: [PATCH] CU-86a5awrtq-NEON3 - BUG - Investigate issue where the app is
 consuming too much CPU

---
 .../src/components/ButtonDownloadPasswordQRCode.tsx  |  3 ++-
 src/renderer/src/helpers/UtilsHelper.ts              | 12 ++++++++++--
 src/renderer/src/hooks/useExchange.ts                |  1 -
 src/renderer/src/hooks/usePriceHistory.ts            |  2 --
 .../src/routes/pages/Receive/ReceivePageContent.tsx  |  2 +-
 5 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/renderer/src/components/ButtonDownloadPasswordQRCode.tsx b/src/renderer/src/components/ButtonDownloadPasswordQRCode.tsx
index ac3b35cc..31e196c4 100644
--- a/src/renderer/src/components/ButtonDownloadPasswordQRCode.tsx
+++ b/src/renderer/src/components/ButtonDownloadPasswordQRCode.tsx
@@ -21,7 +21,8 @@ export const ButtonDownloadPasswordQRCode = ({ label, variant, leftIcon, onDownl
   const [decryptedPassword, setDecryptedPassword] = useState<string>('')
 
   const handleDownload = () => {
-    UtilsHelper.donwloadSVGToPng('QRCode')
+    UtilsHelper.downloadSVGToPng('QRCode')
+
     if (onDownload) onDownload()
   }
 
diff --git a/src/renderer/src/helpers/UtilsHelper.ts b/src/renderer/src/helpers/UtilsHelper.ts
index 84f49e7a..76e20bb5 100644
--- a/src/renderer/src/helpers/UtilsHelper.ts
+++ b/src/renderer/src/helpers/UtilsHelper.ts
@@ -114,7 +114,7 @@ export class UtilsHelper {
     return uuid.v4()
   }
 
-  static donwloadSVGToPng(elementId: string, suggestedFileName?: string) {
+  static downloadSVGToPng(elementId: string, suggestedFileName?: string) {
     const svg = document.getElementById(elementId)
     if (!svg) return
 
@@ -132,13 +132,21 @@ export class UtilsHelper {
     img.onload = () => {
       canvas.width = img.width
       canvas.height = img.height
+
       ctx.drawImage(img, 0, 0)
+
       const pngFile = canvas.toDataURL('image/png')
       const downloadLink = document.createElement('a')
+
       downloadLink.download = fileName
-      downloadLink.href = `${pngFile}`
+      downloadLink.href = pngFile
       downloadLink.click()
+
+      canvas.remove()
+      downloadLink.remove()
+      img.remove()
     }
+
     img.src = `data:image/svg+xml;base64,${btoa(svgData)}`
   }
 
diff --git a/src/renderer/src/hooks/useExchange.ts b/src/renderer/src/hooks/useExchange.ts
index 42c402a0..764ebd47 100644
--- a/src/renderer/src/hooks/useExchange.ts
+++ b/src/renderer/src/hooks/useExchange.ts
@@ -130,7 +130,6 @@ export function useExchange(params: TUseExchangeParams[]): TUseExchangeResult {
         currency,
         currencyRatio
       ),
-      staleTime: 0,
       enabled: !isCurrencyRatioLoading && typeof currencyRatio === 'number',
     })),
     combine: result => ({
diff --git a/src/renderer/src/hooks/usePriceHistory.ts b/src/renderer/src/hooks/usePriceHistory.ts
index 60e2d696..110d18c2 100644
--- a/src/renderer/src/hooks/usePriceHistory.ts
+++ b/src/renderer/src/hooks/usePriceHistory.ts
@@ -42,8 +42,6 @@ export const usePriceHistory = (tokenBalances: TTokenBalance[]): TUsePriceHistor
     queries: tokenBalances.map(tokenBalance => ({
       queryKey: ['prices', tokenBalance.token.symbol, currency],
       queryFn: fetchTokenData.bind(null, tokenBalance, currencyRatio),
-      staleTime: 0,
-      retry: false,
       enabled: !isCurrencyRatioLoading && typeof currencyRatio === 'number',
     })),
     combine: results => ({
diff --git a/src/renderer/src/routes/pages/Receive/ReceivePageContent.tsx b/src/renderer/src/routes/pages/Receive/ReceivePageContent.tsx
index 0a4e2dca..752fef7e 100644
--- a/src/renderer/src/routes/pages/Receive/ReceivePageContent.tsx
+++ b/src/renderer/src/routes/pages/Receive/ReceivePageContent.tsx
@@ -20,7 +20,7 @@ export const ReceiveYourAddressContent = ({ account }: TProps) => {
   const [selectedAccount, setSelectedAccount] = useState(account)
 
   const handleDownload = () => {
-    UtilsHelper.donwloadSVGToPng('QRCode', selectedAccount?.address)
+    UtilsHelper.downloadSVGToPng('QRCode', selectedAccount?.address)
   }
 
   return (