1 files changed, 34 insertions, 0 deletions
diff --git a/ui/app/components/modals/customize-gas/customize-gas.util.js b/ui/app/components/modals/customize-gas/customize-gas.util.js
new file mode 100644
index 000000000..6ba4a7705
--- /dev/null
+++ b/ui/app/components/modals/customize-gas/customize-gas.util.js
@@ -0,0 +1,34 @@
+import ethUtil from 'ethereumjs-util'
+import { conversionUtil } from '../../../conversion-util'
+
+export function getDecimalGasLimit (hexGasLimit) {
+  return conversionUtil(hexGasLimit, {
+    fromNumericBase: 'hex',
+    toNumericBase: 'dec',
+  })
+}
+
+export function getDecimalGasPrice (hexGasPrice) {
+  return conversionUtil(hexGasPrice, {
+    fromNumericBase: 'hex',
+    toNumericBase: 'dec',
+    fromDenomination: 'WEI',
+    toDenomination: 'GWEI',
+  })
+}
+
+export function getPrefixedHexGasLimit (gasLimit) {
+  return ethUtil.addHexPrefix(conversionUtil(gasLimit, {
+    fromNumericBase: 'dec',
+    toNumericBase: 'hex',
+  }))
+}
+
+export function getPrefixedHexGasPrice (gasPrice) {
+  return ethUtil.addHexPrefix(conversionUtil(gasPrice, {
+    fromNumericBase: 'dec',
+    toNumericBase: 'hex',
+    fromDenomination: 'GWEI',
+    toDenomination: 'WEI',
+  }))
+}