1 files changed, 16 insertions, 0 deletions
diff --git a/ui/app/helpers/utils/transactions.util.js b/ui/app/helpers/utils/transactions.util.js
index cb6c9536c..99ccc3478 100644
--- a/ui/app/helpers/utils/transactions.util.js
+++ b/ui/app/helpers/utils/transactions.util.js
@@ -6,6 +6,8 @@ import {
   TRANSACTION_TYPE_CANCEL,
   TRANSACTION_STATUS_CONFIRMED,
 } from '../../../../app/scripts/controllers/transactions/enums'
+import prefixForNetwork from '../../../lib/etherscan-prefix-for-network'
+
 
 import {
   TOKEN_METHOD_TRANSFER,
@@ -188,3 +190,17 @@ export function getStatusKey (transaction) {
 
   return transaction.status
 }
+
+/**
+ * Returns an external block explorer URL at which a transaction can be viewed.
+ * @param {number} networkId
+ * @param {string} hash
+ * @param {Object} rpcPrefs
+ */
+export function getBlockExplorerUrlForTx (networkId, hash, rpcPrefs = {}) {
+  if (rpcPrefs.blockExplorerUrl) {
+    return `${rpcPrefs.blockExplorerUrl}/tx/${hash}`
+  }
+  const prefix = prefixForNetwork(networkId)
+  return `https://${prefix}etherscan.io/tx/${hash}`
+}