HOTFIX: restore missing link between lnurlp and nip57 (#1630)

* restore missing link between lnurlp and nip57

* pass noteStr as receive action arg

* make sure the desc field is not updated if noteStr is unset

api/paidAction/receive.js

@@ -36,13 +36,15 @@ export async function getSybilFeePercent () {
 export async function perform ({
   invoiceId,
   comment,
-  lud18Data
+  lud18Data,
+  noteStr
 }, { me, tx }) {
   const invoice = await tx.invoice.update({
     where: { id: invoiceId },
     data: {
       comment,
-      lud18Data
+      lud18Data,
+      ...(noteStr ? { desc: noteStr } : {})
     },
     include: { invoiceForward: true }
   })

pages/api/lnurlp/[username]/pay.js

@@ -82,7 +82,8 @@ export default async ({ query: { username, amount, nostr, comment, payerdata: pa
       description,
       descriptionHash,
       comment: comment || '',
-      lud18Data: parsedPayerData
+      lud18Data: parsedPayerData,
+      noteStr
     }, { models, lnd, me: user })
 
     if (!invoice?.bolt11) throw new Error('could not generate invoice')