From a44f7f0f34af6a3435b02b6da5171089ccac03e5 Mon Sep 17 00:00:00 2001
From: Jochem Brouwer <jochembrouwer96@gmail.com>
Date: Fri, 3 Jul 2020 23:02:23 +0200
Subject: [PATCH] [VM] remove unneeded opcode entries which only introduced gas
 changes

---
 packages/vm/lib/evm/opcodes.ts | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/vm/lib/evm/opcodes.ts b/packages/vm/lib/evm/opcodes.ts
index c31cf61a694..8047885a872 100644
--- a/packages/vm/lib/evm/opcodes.ts
+++ b/packages/vm/lib/evm/opcodes.ts
@@ -84,7 +84,7 @@ const opcodes = {
   0x3c: { name: 'EXTCODECOPY', isAsync: true },
 
   // '0x40' range - block operations
-  0x40: { name: 'BLOCKHASH', fee: 20, isAsync: true },
+  0x40: { name: 'BLOCKHASH', isAsync: true },
   0x41: { name: 'COINBASE', isAsync: true },
   0x42: { name: 'TIMESTAMP', isAsync: true },
   0x43: { name: 'NUMBER', isAsync: true },
@@ -222,11 +222,8 @@ const hardforkOpcodes = [
   {
     hardforkName: 'istanbul',
     opcodes: {
-      0x31: { name: 'BALANCE', isAsync: true }, // gas price change, EIP 1884
-      0x3f: { name: 'EXTCODEHASH', isAsync: true }, // gas price change, EIP 1884
       0x46: { name: 'CHAINID', isAsync: false }, // EIP 1344
-      0x47: { name: 'SELFBALANCE', fee: 5, isAsync: false }, // EIP 1884
-      0x54: { name: 'SLOAD', fee: 800, isAsync: true }, // gas price change, EIP 1884
+      0x47: { name: 'SELFBALANCE', isAsync: false }, // EIP 1884
     },
   },
 ]