Store and return invoice memo

class/User.js

@@ -363,7 +363,7 @@ export class User {
       }
       if (invoice.decoded) {
         invoice.timestamp = invoice.decoded.timestamp;
-        invoice.memo = invoice.decoded.description;
+        invoice.memo = invoice.memo || invoice.decoded.description;
       }
       if (invoice.payment_preimage) {
         invoice.payment_preimage = Buffer.from(invoice.payment_preimage, 'hex').toString('hex');
@@ -504,7 +504,7 @@ export class User {
    * @returns {Promise<void>}
    */
   async accountForPosibleTxids() {
-    return; // TODO: remove
+    // return; // TODO: remove
     let onchain_txs = await this.getTxs();
     let imported_txids = await this._redis.lrange('imported_txids_for_' + this._userid, 0, -1);
     for (let tx of onchain_txs) {

controllers/api.js

@@ -197,6 +197,7 @@ router.post('/addinvoice', postLimiter, async function (req, res) {
     async function (err, info) {
       if (err) return errorLnd(res);
 
+      info.memo = req.body.memo;
       info.pay_req = info.payment_request; // client backwards compatibility
       await u.saveUserInvoice(info);
       await invoice.savePreimage(r_preimage);