Address book name save fix (#6945)

* Fix address book name saving and ens input errors on good inputs on unsupported networks

* Add initial e2e test for address book send flow.

* No longer need to click recipient row in e2e tests

* Click write button in address book e2e test on seed confirm screen

* Use correct seed phrase and private key in address-book.spec tests

1 files changed, 8 insertions, 0 deletions

diff --git a/ui/app/helpers/utils/util.js b/ui/app/helpers/utils/util.js
index 94fa9ad42..b9e8e83c5 100644
--- a/ui/app/helpers/utils/util.js
+++ b/ui/app/helpers/utils/util.js
@@ -61,6 +61,7 @@ module.exports = {
   checksumAddress,
   addressSlicer,
   isEthNetwork,
+  isValidAddressHead,
 }
 
 function isEthNetwork (netId) {
@@ -323,3 +324,10 @@ function addressSlicer (address = '') {
 
   return `${address.slice(0, 6)}...${address.slice(-4)}`
 }
+
+function isValidAddressHead (address) {
+  const addressLengthIsLessThanFull = address.length < 42
+  const addressIsHex = isHex(address)
+
+  return addressLengthIsLessThanFull && addressIsHex
+}