diff --git a/class/Lock.js b/class/Lock.js
index e696624..db0209c 100644
--- a/class/Lock.js
+++ b/class/Lock.js
@@ -24,7 +24,7 @@ export class Lock {
     }
 
     // success - got lock
-    await this._redis.expire(this._lock_key, 5 * 60);
+    await this._redis.expire(this._lock_key, 10 * 60);
     // lock expires in 5 mins just for any case
     return true;
   }
diff --git a/class/User.js b/class/User.js
index 7042b66..7eb1c3a 100644
--- a/class/User.js
+++ b/class/User.js
@@ -261,6 +261,7 @@ export class User {
 
   /**
    * User's onchain txs that are >= 3 confs
+   * Queries bitcoind RPC.
    *
    * @returns {Promise<Array>}
    */
diff --git a/controllers/api.js b/controllers/api.js
index 53e6f66..c8e6753 100644
--- a/controllers/api.js
+++ b/controllers/api.js
@@ -109,7 +109,7 @@ router.post('/payinvoice', async function(req, res) {
     return errorBadAuth(res);
   }
 
-  logger.log('/payinvoice', [req.id, 'userid: ' + u.getUserId()]);
+  logger.log('/payinvoice', [req.id, 'userid: ' + u.getUserId(), 'invoice: ' + req.body.invoice]);
 
   if (!req.body.invoice) return errorBadArguments(res);
   let freeAmount = false;
@@ -137,6 +137,8 @@ router.post('/payinvoice', async function(req, res) {
       info.num_satoshis = freeAmount;
     }
 
+    logger.log('/payinvoice', [req.id, 'userBalance: ' + userBalance, 'num_satoshis: ' + info.num_satoshis]);
+
     if (userBalance >= info.num_satoshis) {
       // got enough balance
 
@@ -181,14 +183,14 @@ router.post('/payinvoice', async function(req, res) {
       // else - regular lightning network payment:
 
       var call = lightning.sendPayment();
-      call.on('data', function(payment) {
+      call.on('data', async function(payment) {
         // payment callback
         if (payment && payment.payment_route && payment.payment_route.total_amt_msat) {
           userBalance -= +payment.payment_route.total_fees + +payment.payment_route.total_amt;
           u.saveBalance(userBalance);
           payment.pay_req = req.body.invoice;
           payment.decoded = info;
-          u.savePaidLndInvoice(payment);
+          await u.savePaidLndInvoice(payment);
           lock.releaseLock();
           res.send(payment);
         } else {
diff --git a/controllers/website.js b/controllers/website.js
index cc437d0..4363df2 100644
--- a/controllers/website.js
+++ b/controllers/website.js
@@ -67,6 +67,7 @@ const pubkey2name = {
   '036a54f02d2186de192e4bcec3f7b47adb43b1fa965793387cd2471990ce1d236b': 'capacity.network',
   '026c7d28784791a4b31a64eb34d9ab01552055b795919165e6ae886de637632efb': 'LivingRoomOfSatoshi.com_LND_1',
   '02816caed43171d3c9854e3b0ab2cf0c42be086ff1bd4005acc2a5f7db70d83774': 'ln.pizza',
+  '024a2e265cd66066b78a788ae615acdc84b5b0dec9efac36d7ac87513015eaf6ed': 'Bitrefill.com/lightning',
 };
 
 router.get('/', function(req, res) {