From 2e60047382f0f1e012a5d693bcbbe060a070453c Mon Sep 17 00:00:00 2001
From: orveth <orveth@proton.me>
Date: Fri, 5 Jun 2026 15:07:18 -0700
Subject: [PATCH] fix(send-scanner): navigate before async work

Rebased onto post-monorepo master; paths relocated app/ -> apps/web-wallet/app/. Original commits:
 - fix(send-scanner): pass scanned input via hash, let /send loader resolve
---
 .../app/features/send/send-scanner.tsx        | 95 +++----------------
 1 file changed, 12 insertions(+), 83 deletions(-)

diff --git a/apps/web-wallet/app/features/send/send-scanner.tsx b/apps/web-wallet/app/features/send/send-scanner.tsx
index cd3c1f77d..6835540be 100644
--- a/apps/web-wallet/app/features/send/send-scanner.tsx
+++ b/apps/web-wallet/app/features/send/send-scanner.tsx
@@ -5,96 +5,25 @@ import {
   PageHeaderTitle,
 } from '~/components/page';
 import { QRScanner } from '~/components/qr-scanner';
-import { useExchangeRate } from '~/hooks/use-exchange-rate';
 import { useBuildLinkWithSearchParams } from '~/hooks/use-search-params-link';
-import { useToast } from '~/hooks/use-toast';
-import type { Money } from '~/lib/money';
 import { useNavigateWithViewTransition } from '~/lib/transitions/view-transition';
-import type { Account } from '../accounts/account';
-import { DomainError, getErrorMessage } from '../shared/error';
-import { useSendStore } from './send-provider';
-
-/**
- * Converts an amount to the send account currency.
- * If the amount is already in the send account currency, returns the amount.
- *
- * @throws if the exchange rate fails to load
- */
-const useConverter = (sendAccount: Account) => {
-  const otherCurrency = sendAccount.currency === 'BTC' ? 'USD' : 'BTC';
-
-  const { data: rate } = useExchangeRate(
-    `${otherCurrency}-${sendAccount.currency}`,
-  );
-
-  return (amount: Money) => {
-    if (!rate) throw new Error('Exchange rate not found');
-
-    return amount.convert(sendAccount.currency, rate);
-  };
-};
 
 export default function SendScanner() {
-  const { toast } = useToast();
   const navigate = useNavigateWithViewTransition();
   const buildLinkWithSearchParams = useBuildLinkWithSearchParams();
 
-  const sendAccount = useSendStore((state) => state.getSourceAccount());
-  const selectDestination = useSendStore((state) => state.selectDestination);
-  const continueSend = useSendStore((state) => state.proceedWithSend);
-
-  const convert = useConverter(sendAccount);
-
-  const handleDecode = async (input: string) => {
-    const selectDestinationResult = await selectDestination(input);
-    if (!selectDestinationResult.success) {
-      toast({
-        title: 'Invalid input',
-        description: selectDestinationResult.error,
-        variant: 'destructive',
-      });
-      return;
-    }
-
-    const { amount } = selectDestinationResult.data;
-
-    if (!amount) {
-      // Navigate to send input to enter the amount
-      return navigate(buildLinkWithSearchParams('/send'), {
-        applyTo: 'oldView',
-        transition: 'slideDown',
-      });
-    }
-
-    const convertedAmount =
-      amount.currency !== sendAccount.currency ? convert(amount) : undefined;
-    const result = await continueSend(amount, convertedAmount);
-
-    if (!result.success) {
-      const toastOptions =
-        result.error instanceof DomainError
-          ? { description: result.error.message }
-          : {
-              title: 'Error',
-              description: getErrorMessage(
-                result.error,
-                'Failed to get a send quote. Please try again',
-              ),
-              variant: 'destructive' as const,
-            };
-
-      toast(toastOptions);
-      return;
-    }
-
-    if (result.next !== 'confirmQuote') {
-      return;
-    }
-
-    navigate(buildLinkWithSearchParams('/send/confirm'), {
-      applyTo: 'newView',
-      transition: 'slideUp',
-    });
+  const handleDecode = (scannedContent: string) => {
+    if (!scannedContent) return;
+
+    const hash = `#${scannedContent}`;
+    // The hash needs to be set manually before navigating or the destination
+    // route's clientLoader won't see it.
+    // See https://github.com/remix-run/remix/discussions/10721
+    window.history.replaceState(null, '', hash);
+    navigate(
+      { ...buildLinkWithSearchParams('/send'), hash },
+      { transition: 'slideDown', applyTo: 'oldView' },
+    );
   };
 
   return (