clean up console log and fix return statements

server/lib/api/message.js

@@ -13,21 +13,19 @@ function verifyMessage(req, res) {
   }
 
   if (!address || !signature || !message) {
-    res.json({
+    return res.json({
       message: 'Missing parameters (expected "address", "signature" and "message")',
       code: 1,
     });
-    return;
   }
   let valid;
   try {
     valid = new Message(message).verify(address, signature);
   } catch (err) {
-    res.json({
+    return res.json({
       message: `Unexpected error: ${err.message}`,
       code: 1,
     });
-    return;
   }
   res.json({ result: valid });
 }

server/lib/api/transaction.js

@@ -210,7 +210,6 @@ module.exports = function transactionAPI(router) {
           `/txs getTopTransactions ${err}`);
         return res.status(404).send(err);
       }
-      console.log(txs.length);
       return res.json(txs);
     });
   });
@@ -229,8 +228,7 @@ module.exports = function transactionAPI(router) {
       if (err) {
         logger.log('error',
           `${err}`);
-        res.status(400).send(err);
+        return res.status(400).send(err);
-        return;
       }
 
       res.json(true);

server/lib/db/blocks.js

@@ -60,9 +60,8 @@ function getBlock(params, options, limit, cb) {
 function getBestHeight() {
   getBlock({}, {}, 1, (err, block) => {
     if (err) {
-      logger.log('error',
+      return logger.log('error',
         `getBestHeight: ${err.err}`);
-      return;
     }
     bestBlockHeight = block.height;
   });