Merge pull request #4954 from MetaMask/v4.9.0

V4.9.0

1 files changed, 14 insertions, 0 deletions

diff --git a/ui/app/util.js b/ui/app/util.js
index 1ccd17ba7..8b194e0c7 100644
--- a/ui/app/util.js
+++ b/ui/app/util.js
@@ -36,6 +36,7 @@ module.exports = {
   miniAddressSummary: miniAddressSummary,
   isAllOneCase: isAllOneCase,
   isValidAddress: isValidAddress,
+  isValidENSAddress,
   numericBalance: numericBalance,
   parseBalance: parseBalance,
   formatBalance: formatBalance,
@@ -58,6 +59,7 @@ module.exports = {
   allNull,
   getTokenAddressFromTokenObject,
   checksumAddress,
+  addressSlicer,
 }
 
 function valuesFor (obj) {
@@ -87,6 +89,10 @@ function isValidAddress (address) {
   return (isAllOneCase(prefixed) && ethUtil.isValidAddress(prefixed)) || ethUtil.isValidChecksumAddress(prefixed)
 }
 
+function isValidENSAddress (address) {
+  return address.match(/^.{7,}\.(eth|test)$/)
+}
+
 function isInvalidChecksumAddress (address) {
   var prefixed = ethUtil.addHexPrefix(address)
   if (address === '0x0000000000000000000000000000000000000000') return false
@@ -298,3 +304,11 @@ function getTokenAddressFromTokenObject (token) {
 function checksumAddress (address) {
   return address ? ethUtil.toChecksumAddress(address) : ''
 }
+
+function addressSlicer (address = '') {
+  if (address.length < 11) {
+    return address
+  }
+
+  return `${address.slice(0, 6)}...${address.slice(-4)}`
+}