Michilis/Cashu-redeem-api
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Better error handling

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michilis
2025-05-31 16:31:54 +02:00
parent 076743b417
commit 7370952308
4 changed files with 229 additions and 42 deletions
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12
services/redemption.js
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@@ -192,10 +192,18 @@ class RedemptionService {
try {
const spendabilityCheck = await cashuService.checkTokenSpendable(token);
if (!spendabilityCheck.spendable || spendabilityCheck.spendable.length === 0) {
throw new Error('Token proofs are not spendable - may have already been used');
throw new Error('Token proofs are not spendable - they have already been used or are invalid');
}
} catch (spendError) {
// Log but don't fail - some mints might not support this check
// Check if the error indicates tokens are already spent (422 status)
if (spendError.message.includes('not spendable') ||
spendError.message.includes('already been used') ||
spendError.message.includes('invalid proofs') ||
spendError.message.includes('422')) {
// This is likely an already-spent token - fail the redemption with clear message
throw new Error('This token has already been spent and cannot be redeemed again');
}
// Log but don't fail for other errors - some mints might not support this check
console.warn('Spendability check failed:', spendError.message);
}