diff --git a/class/User.js b/class/User.js
index cc92305..23ba5bc 100644
--- a/class/User.js
+++ b/class/User.js
@@ -243,7 +243,11 @@ export class User {
       invoice.description = '';
       for (let tag of decoded.tags) {
         if (tag.tagName === 'description') {
-          invoice.description += decodeURIComponent(tag.data);
+          try {
+            invoice.description += decodeURIComponent(tag.data);
+          } catch (_) {
+            invoice.description += tag.data;
+          }
         }
         if (tag.tagName === 'payment_hash') {
           invoice.payment_hash = tag.data;
@@ -267,7 +271,7 @@ export class User {
       }
 
       invoice.amt = decoded.satoshis;
-      invoice.expire_time = 3600;
+      invoice.expire_time = 3600 * 24;
       // ^^^default; will keep for now. if we want to un-hardcode it - it should be among tags (`expire_time`)
       invoice.timestamp = decoded.timestamp;
       invoice.type = 'user_invoice';
@@ -313,6 +317,10 @@ export class User {
       if (invoice.payment_route) {
         invoice.fee = +invoice.payment_route.total_fees;
         invoice.value = +invoice.payment_route.total_fees + +invoice.payment_route.total_amt;
+        if (invoice.payment_route.total_amt_msat && invoice.payment_route.total_amt_msat / 1000 !== +invoice.payment_route.total_amt) {
+          // okay, we have to account for MSAT
+          invoice.value = +invoice.payment_route.total_fees + Math.max(parseInt(invoice.payment_route.total_amt_msat / 1000), +invoice.payment_route.total_amt) + 1; // extra sat to cover for msats, as external layer (clients) dont have that resolution
+        }
       } else {
         invoice.fee = 0;
       }
diff --git a/controllers/api.js b/controllers/api.js
index 8a6808c..0d8466e 100644
--- a/controllers/api.js
+++ b/controllers/api.js
@@ -128,10 +128,17 @@ router.post('/payinvoice', async function(req, res) {
   // obtaining a lock
   let lock = new Lock(redis, 'invoice_paying_for_' + u.getUserId());
   if (!(await lock.obtainLock())) {
-    return errorTryAgainLater(res);
+    return errorGeneralServerError(res);
   }
 
-  let userBalance = await u.getCalculatedBalance();
+  let userBalance;
+  try {
+    userBalance = await u.getCalculatedBalance();
+  } catch (Error) {
+    logger.log('', [req.id, 'error running getCalculatedBalance():', Error.message]);
+    lock.releaseLock();
+    return errorTryAgainLater(res);
+  }
 
   lightning.decodePayReq({ pay_req: req.body.invoice }, async function(err, info) {
     if (err) {
@@ -206,7 +213,7 @@ router.post('/payinvoice', async function(req, res) {
           return errorPaymentFailed(res);
         }
       });
-      if (!info.num_satoshis && !info.num_satoshis) {
+      if (!info.num_satoshis) {
         // tip invoice, but someone forgot to specify amount
         await lock.releaseLock();
         return errorBadArguments(res);
@@ -255,11 +262,16 @@ router.get('/balance', postLimiter, async function(req, res) {
     return errorBadAuth(res);
   }
 
-  if (!(await u.getAddress())) await u.generateAddress(); // onchain address needed further
-  await u.accountForPosibleTxids();
-  let balance = await u.getBalance();
-  if (balance < 0) balance = 0;
-  res.send({ BTC: { AvailableBalance: balance } });
+  try {
+    if (!(await u.getAddress())) await u.generateAddress(); // onchain address needed further
+    await u.accountForPosibleTxids();
+    let balance = await u.getBalance();
+    if (balance < 0) balance = 0;
+    res.send({ BTC: { AvailableBalance: balance } });
+  } catch (Error) {
+    logger.log('', [req.id, 'error getting balance:', Error.message, 'userid:', u.getUserId()]);
+    return errorGeneralServerError(res);
+  }
 });
 
 router.get('/getinfo', postLimiter, async function(req, res) {
@@ -298,7 +310,7 @@ router.get('/gettxs', async function(req, res) {
     }
     res.send(txs);
   } catch (Err) {
-    logger.log('', [req.id, 'error:', Err]);
+    logger.log('', [req.id, 'error gettxs:', Err.message, 'userid:', u.getUserId()]);
     res.send([]);
   }
 });
@@ -318,7 +330,7 @@ router.get('/getuserinvoices', async function(req, res) {
       res.send(invoices);
     }
   } catch (Err) {
-    logger.log('', [req.id, 'error:', Err]);
+    logger.log('', [req.id, 'error getting user invoices:', Err.message, 'userid:', u.getUserId()]);
     res.send([]);
   }
 });
@@ -408,7 +420,7 @@ function errorGeneralServerError(res) {
   return res.send({
     error: true,
     code: 6,
-    message: 'Server fault',
+    message: 'Something went wrong. Please try again later',
   });
 }
 
diff --git a/package-lock.json b/package-lock.json
index d540b0f..72d6946 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2050,9 +2050,9 @@
       }
     },
     "eslint-plugin-prettier": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.1.tgz",
-      "integrity": "sha512-A+TZuHZ0KU0cnn56/9mfR7/KjUJ9QNVXUhwvRFSR7PGPe0zQR6PTkmyqg1AtUUEOzTqeRsUwyKFh0oVZKVCrtA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.2.tgz",
+      "integrity": "sha512-GlolCC9y3XZfv3RQfwGew7NnuFDKsfI4lbvRK+PIIo23SFH+LemGs4cKwzAaRa+Mdb+lQO/STaIayno8T5sJJA==",
       "requires": {
         "prettier-linter-helpers": "^1.0.0"
       }
@@ -3641,9 +3641,9 @@
       "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
     },
     "ioredis": {
-      "version": "4.14.1",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.14.1.tgz",
-      "integrity": "sha512-94W+X//GHM+1GJvDk6JPc+8qlM7Dul+9K+lg3/aHixPN7ZGkW6qlvX0DG6At9hWtH2v3B32myfZqWoANUJYGJA==",
+      "version": "4.15.1",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.15.1.tgz",
+      "integrity": "sha512-vbSsIlmI2P31c+nxZvYjChAcgMK5Ssn9FLdhOXi0O+KVOp6JLXrkVFlq8Zrmc3ee5e5eoqB9nHFYIQzWKc/12Q==",
       "requires": {
         "cluster-key-slot": "^1.1.0",
         "debug": "^4.1.1",
@@ -4211,9 +4211,9 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "mustache": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/mustache/-/mustache-3.1.0.tgz",
-      "integrity": "sha512-3Bxq1R5LBZp7fbFPZzFe5WN4s0q3+gxZaZuZVY+QctYJiCiVgXHOTIC0/HgZuOPFt/6BQcx5u0H2CUOxT/RoGQ=="
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/mustache/-/mustache-3.2.1.tgz",
+      "integrity": "sha512-RERvMFdLpaFfSRIEe632yDm5nsd0SDKn8hGmcUwswnyiE5mtdZLDybtHAz6hjJhawokF0hXvGLtx9mrQfm6FkA=="
     },
     "mute-stream": {
       "version": "0.0.8",
diff --git a/package.json b/package.json
index d81220f..1ae5fad 100644
--- a/package.json
+++ b/package.json
@@ -19,18 +19,18 @@
     "babel-preset-env": "^1.7.0",
     "babel-preset-es2015": "^6.24.1",
     "babel-register": "^6.26.0",
-    "bignumber.js": "^9.0.0",
+    "bignumber.js": "^8.0.1",
     "bolt11": "^1.2.6",
-    "eslint": "^6.7.1",
-    "eslint-config-prettier": "^6.7.0",
-    "eslint-plugin-prettier": "^3.0.0",
+    "eslint": "^5.9.0",
+    "eslint-config-prettier": "^3.3.0",
+    "eslint-plugin-prettier": "^3.1.2",
     "express": "^4.16.4",
     "express-rate-limit": "^5.0.0",
     "grpc": "^1.17.0-pre1",
     "ioredis": "^4.2.0",
     "jayson": "^3.1.2",
     "morgan": "^1.9.1",
-    "mustache": "^3.0.1",
+    "mustache": "^3.2.1",
     "node-uuid": "^1.4.8",
     "prettier": "^1.19.1",
     "request": "^2.88.0",
diff --git a/utils/logger.js b/utils/logger.js
index eb7364d..cb58110 100644
--- a/utils/logger.js
+++ b/utils/logger.js
@@ -37,10 +37,6 @@ if (!fs.existsSync('logs')) {
   fs.mkdirSync('logs');
 }
 
-/**
- * @param {string} label group label
- * @param {string} message log message
- */
 function log(label, message) {
   logger.log({
     level: 'info',