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Browsers will throw a QuotaExceededError if the cache is full, Result in Crash/Halt #39

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Merged
Zahnentferner merged 1 commit into from
Mar 2, 2026
Merged

Browsers will throw a QuotaExceededError if the cache is full, Result in Crash/Halt #39

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18 changes: 15 additions & 3 deletions web/src/app/create/page.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -78,9 +78,21 @@ export default function CreateTNT() {
};

const saveTransaction = (txDetails: object) => {
const history = getTransactionHistory();
history.push(txDetails);
localStorage.setItem("transactionHistory", JSON.stringify(history));
try {
const history = getTransactionHistory();
history.push(txDetails);
localStorage.setItem("transactionHistory", JSON.stringify(history));
} catch (error) {
// Handle QuotaExceededError or security exceptions (e.g., storage disabled)
console.error("Failed to save transaction to localStorage:", error);

if (error instanceof DOMException &&
(error.name === 'QuotaExceededError' || error.name === 'NS_ERROR_DOM_QUOTA_REACHED')) {
toast.error("Local storage is full. Transaction history might not be saved.");
} else {
toast.error("An error occurred while saving transaction data.");
}
}
};

const deployContract = async () => {
Expand Down