1 files changed, 15 insertions, 0 deletions
diff --git a/ui/app/util.js b/ui/app/util.js
index 7597c2df8..31c147877 100644
--- a/ui/app/util.js
+++ b/ui/app/util.js
@@ -31,6 +31,7 @@ module.exports = {
   ethToWei: ethToWei,
   weiToEth: weiToEth,
   normalizeToWei: normalizeToWei,
+  normalizeEthStringToWei: normalizeEthStringToWei,
   normalizeNumberToWei: normalizeNumberToWei,
   valueTable: valueTable,
   bnTable: bnTable,
@@ -120,6 +121,20 @@ function normalizeToWei(amount, currency) {
   return amount
 }
 
+function normalizeEthStringToWei(str) {
+  const parts = str.split('.')
+  let eth = new ethUtil.BN(parts[0], 10).mul(bnTable.wei)
+  if (parts[1]) {
+    var decimal = parts[1]
+    while(decimal.length < 18) {
+      decimal += '0'
+    }
+    const decimalBN = new ethUtil.BN(decimal, 10)
+    eth = eth.add(decimalBN)
+  }
+  return eth
+}
+
 var multiple = new ethUtil.BN('10000', 10)
 function normalizeNumberToWei(n, currency) {
   var enlarged = n * 10000