From e0fe03d41def6e0cafbf9d1acf32eb6335ff6778 Mon Sep 17 00:00:00 2001
From: Sina Mahmoodi <itz.s1na@gmail.com>
Date: Thu, 29 Aug 2019 16:17:52 +0200
Subject: [PATCH] Add support for EIP-2028 for Istanbul

---
 package.json |  2 +-
 test/api.ts  | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 281f506..8c731b3 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   "author": "mjbecze <mb@ethdev.com>",
   "license": "MPL-2.0",
   "dependencies": {
-    "ethereumjs-common": "^1.3.0",
+    "ethereumjs-common": "^1.3.1",
     "ethereumjs-util": "^6.0.0"
   },
   "devDependencies": {
diff --git a/test/api.ts b/test/api.ts
index ac6f30d..43ea13b 100644
--- a/test/api.ts
+++ b/test/api.ts
@@ -410,4 +410,14 @@ tape('[Transaction]: Basic functions', function(t) {
       st.end()
     },
   )
+
+  t.test('should return correct data fee for istanbul', function(st) {
+    let tx = new Transaction({}, { hardfork: 'istanbul' })
+    st.equals(tx.getDataFee().toNumber(), 0)
+
+    tx = new Transaction(txFixtures[3].raw, { hardfork: 'istanbul' })
+    st.equals(tx.getDataFee().toNumber(), 1716)
+
+    st.end()
+  })
 })