Add TransactionBreakdown component

1 files changed, 12 insertions, 0 deletions

diff --git a/ui/app/helpers/transactions.util.js b/ui/app/helpers/transactions.util.js
index 54df54aa8..b88b00ac6 100644
--- a/ui/app/helpers/transactions.util.js
+++ b/ui/app/helpers/transactions.util.js
@@ -16,6 +16,8 @@ import {
   UNKNOWN_FUNCTION_KEY,
 } from '../constants/transactions'
 
+import { addCurrencies } from '../conversion-util'
+
 abiDecoder.addABI(abi)
 
 export function getTokenData (data = {}) {
@@ -103,3 +105,13 @@ export async function isSmartContractAddress (address) {
   const code = await global.eth.getCode(address)
   return code && code !== '0x'
 }
+
+export function addHex (...args) {
+  const total = args.reduce((acc, base) => {
+    return addCurrencies(acc, base, {
+      toNumericBase: 'hex',
+    })
+  })
+
+  return ethUtil.addHexPrefix(total)
+}