make unpadHexString return Hex String!

ethereumjs · Mar 29, 2022 · 74de550 · 74de550
1 parent 38ce498
commit 74de550
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/packages/util/src/bytes.ts b/packages/util/src/bytes.ts
@@ -129,7 +129,7 @@ export const unpadArray = function (a: number[]): number[] {
 export const unpadHexString = function (a: string): string {
   assertIsHexString(a)
   a = stripHexPrefix(a)
-  return stripZeros(a) as string
+  return ('0x' + stripZeros(a)) as string
 }
 
 export type ToBufferInputTypes =

diff --git a/packages/util/test/bytes.spec.ts b/packages/util/test/bytes.spec.ts
@@ -96,7 +96,7 @@ tape('unpadHexString', function (t) {
   t.test('should unpad a hex prefixed string', function (st) {
     const str = '0x0000000006600'
     const r = unpadHexString(str)
-    st.equal(r, '6600')
+    st.equal(r, '0x6600')
     st.end()
   })
   t.test('should throw if input is not hex-prefixed', function (st) {