From b778f28ecec9c1c3ff1c042991cec7ff04d464d5 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Wed, 17 Jul 2019 08:40:23 -0400
Subject: [PATCH] re-add revert on context change

---
 remix-lib/src/execution/execution-context.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/remix-lib/src/execution/execution-context.js b/remix-lib/src/execution/execution-context.js
index c352519826..9aa3d34efa 100644
--- a/remix-lib/src/execution/execution-context.js
+++ b/remix-lib/src/execution/execution-context.js
@@ -186,6 +186,9 @@ function ExecutionContext () {
 
     if (context === 'vm') {
       executionContext = context
+      vms.constantinople.stateManager.revert(() => {
+        vms.constantinople.stateManager.checkpoint(() => {})
+      })
       self.event.trigger('contextChanged', ['vm'])
       return cb()
     }