1 files changed, 19 insertions, 18 deletions
diff --git a/app/scripts/lib/resolver.js b/app/scripts/lib/resolver.js
index 43ccec0cc..dec43c481 100644
--- a/app/scripts/lib/resolver.js
+++ b/app/scripts/lib/resolver.js
@@ -1,43 +1,44 @@
 const namehash = require('eth-ens-namehash')
 const multihash = require('multihashes')
-const REGISTRAR_ENS_MAIN_NET = "0x314159265dd8dbb310642f98f50c066173c1259b"
+const REGISTRAR_ENS_MAIN_NET = '0x314159265dd8dbb310642f98f50c066173c1259b'
 const HttpProvider = require('ethjs-provider-http')
 const Eth = require('ethjs-query')
 const EthContract = require('ethjs-contract')
 const registrarAbi = require('./contracts/registrar')
 const resolverAbi = require('./contracts/resolver')
-function ens(name, provider) {
-  // provider need mainnet
-  let eth = new Eth(new HttpProvider(provider.rpcTarget))
-  let hash = namehash.hash(name)
-  let contract = new EthContract(eth)
-  let Registrar = contract(registrarAbi).at(REGISTRAR_ENS_MAIN_NET)
+
+function ens (name, provider) {
+  const eth = new Eth(new HttpProvider(provider.rpcTarget))
+  const hash = namehash.hash(name)
+  const contract = new EthContract(eth)
+  const Registrar = contract(registrarAbi).at(REGISTRAR_ENS_MAIN_NET)
   return new Promise((resolve, reject) => {
-    if (provider.type !== "mainnet") reject('no_mainnet')
+    if (provider.type !== 'mainnet') reject('unsupport')
     Registrar.resolver(hash).then((address) => {
       if (address === '0x0000000000000000000000000000000000000000') {
         reject(null)
       } else {
-        let Resolver = contract(resolverAbi).at(address["0"])
+        const Resolver = contract(resolverAbi).at(address['0'])
         return Resolver.content(hash)
       }
     }).then((contentHash) => {
-      if (contentHash["0"] === '0x0000000000000000000000000000000000000000000000000000000000000000') reject(null)
-      if (contentHash.ret !== "0x") {
-        let hex = contentHash["0"].substring(2)
-        let buf = multihash.fromHexString(hex)
-        resolve(multihash.toB58String(multihash.encode(buf, 'sha2-256')))
+      if (contentHash['0'] === '0x0000000000000000000000000000000000000000000000000000000000000000') reject(null)
+      if (contentHash.ret !== '0x') {
+        const hex = contentHash['0'].substring(2)
+        const buf = multihash.fromHexString(hex)
+        resolve(multihash.toB58String(buf))
       } else {
-        reject('fisk')
+        reject(null)
       }
     })
   })
 }
+
 module.exports.resolve = function (name, provider) {
-  let path = name.split(".");
-  let tld = path[path.length - 1];
+  const path = name.split('.')
+  const tld = path[path.length - 1]
   if (tld === 'eth') {
-    return ens(name, provider);
+    return ens(name, provider)
   } else {
     return new Promise((resolve, reject) => {
       reject(null)