Promises turned to async/await

routes/address.js

@@ -3,13 +3,13 @@ var express = require('express');
 var router = express.Router();
 
 /* GET home page. */
-router.get('/:address', function(req, res, next) {
+router.get('/:address', async function(req, res, next) {
 
-  const address = encodeURI(req.params.address);
+  const addrss = encodeURI(req.params.address);
 
-  models.Address.findOne({
+  const address = await models.Address.findOne({
     where: {
-      address,
+      address: addrss,
     },
     include: {
       model: models.Vout,
@@ -17,18 +17,17 @@ router.get('/:address', function(req, res, next) {
         model: models.Transaction,
       },
     },
-  })
-  .then((address) => {
-    if (address === null) {
-      res.status(404).render('404');
-      return;
-    }
-    const txes = [];
-    address.Vouts.forEach((vout) => txes.push(vout.Transaction.txid));
-    res.render('address', {
-      address: address.address,
-      txes,
-    });
+  });
+
+  if (address === null) {
+    res.status(404).render('404');
+    return;
+  }
+  const txes = [];
+  address.Vouts.forEach((vout) => txes.push(vout.Transaction.txid));
+  res.render('address', {
+    address: address.address,
+    txes,
   });
 });
 

routes/block.js

@@ -3,9 +3,9 @@ var express = require('express');
 var router = express.Router();
 
 /* GET home page. */
-router.get('/:hash', function(req, res, next) {
+router.get('/:hash', async function(req, res, next) {
   const hash = encodeURI(req.params.hash);
-  models.Block.findOne({
+  const block = await models.Block.findOne({
     where: {
       hash,
     },
@@ -13,16 +13,15 @@ router.get('/:hash', function(req, res, next) {
       model: models.Transaction,
     },
   })
-  .then((block) => {
-    if (block === null) {
-      res.status(404).render('404');
-      return;
-    }
-    block.dataValues.time = block.time.toUTCString();
-    res.render('block', {
-      block,
-    });
+  if (block === null) {
+    res.status(404).render('404');
+    return;
+  }
+  block.dataValues.time = block.time.toUTCString();
+  res.render('block', {
+    block,
   });
+
 });
 
 module.exports = router;

routes/index.js

@@ -3,17 +3,15 @@ var express = require('express');
 var router = express.Router();
 
 /* GET home page. */
-router.get('/', function(req, res, next) {
-  models.Block.findAll({
+router.get('/', async function(req, res, next) {
+
+  const blocks = await models.Block.findAll({
     order: [['height', 'DESC']],
     limit: 30,
-  })
-  .then((blocks) => {
-    res.render('index', {
-      blocks,
-    });
   });
-
+  res.render('index', {
+    blocks,
+  });
 });
 
 module.exports = router;

routes/search.js

@@ -3,44 +3,43 @@ var express = require('express');
 var router = express.Router();
 
 /* GET home page. */
-router.post('/', function(req, res, next) {
+router.post('/', async function(req, res, next) {
 
   const search = encodeURI(req.body.search);
 
-  models.Address.findOne({
+  // looking for address
+  const address = await models.Address.findOne({
     where: {
       address: search,
     },
-  })
-  .then((address) => {
-    if (address) {
-      res.redirect(`/address/${address.address}`);
-      return;
-    }
-    models.Transaction.findOne({
-      where: {
-        txid: search,
-      },
-    })
-    .then((transaction) => {
-      if (transaction) {
-        res.redirect(`/transaction/${transaction.txid}`);
-        return;
-      }
-      models.Block.findOne({
-        where: {
-          hash: search,
-        },
-      })
-      .then((block) => {
-        if (block) {
-          res.redirect(`/block/${block.hash}`);
-          return;
-        }
-        res.status(404).render('404');
-      });
-    });
   });
+  if (address) {
+    res.redirect(`/address/${address.address}`);
+    return;
+  }
+
+  // looking for transaction
+  const transaction = await models.Transaction.findOne({
+    where: {
+      txid: search,
+    },
+  });
+  if (transaction) {
+    res.redirect(`/transaction/${transaction.txid}`);
+    return;
+  }
+
+  // looking for block
+  const block = await models.Block.findOne({
+    where: {
+      hash: search,
+    },
+  });
+  if (block) {
+    res.redirect(`/block/${block.hash}`);
+    return;
+  }
+  res.status(404).render('404');
 });
 
 module.exports = router;

routes/transaction.js

@@ -3,10 +3,10 @@ var express = require('express');
 var router = express.Router();
 
 /* GET home page. */
-router.get('/:txid', function(req, res, next) {
+router.get('/:txid', async function(req, res, next) {
   const txid = encodeURI(req.params.txid);
 
-  models.Transaction.findOne({
+  const transaction = await models.Transaction.findOne({
     where: {
       txid,
     },
@@ -22,27 +22,24 @@ router.get('/:txid', function(req, res, next) {
       model: models.Transaction,
       as: 'txtx',
     }],
-  })
-  .then((transaction) => {
-    if (transaction === null) {
-      res.status(404).render('404');
-      return;
-    }
-    const vouts = [];
-    transaction.Vouts.forEach((vout) => {
-      vout.Addresses.forEach((address) => {
-        vouts.push({
-          address: address.address,
-          value: vout.value,
-        });
+  });
+  if (transaction === null) {
+    res.status(404).render('404');
+    return;
+  }
+  const vouts = [];
+  transaction.Vouts.forEach((vout) => {
+    vout.Addresses.forEach((address) => {
+      vouts.push({
+        address: address.address,
+        value: vout.value,
       });
     });
-    res.render('transaction', {
-      transaction,
-      vouts,
-    });
   });
-
+  res.render('transaction', {
+    transaction,
+    vouts,
+  });
 });
 
 module.exports = router;