From a9253837ac37347c6b2eece150b383b5ba81f4ce Mon Sep 17 00:00:00 2001
From: Will Scott <will@cypherpunk.email>
Date: Wed, 16 Sep 2020 10:39:37 -0700
Subject: [PATCH] checkpoint

---
 extra/filecoin-ffi   | 2 +-
 tvx/state/surgeon.go | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/extra/filecoin-ffi b/extra/filecoin-ffi
index cddc56607..d70d49a74 160000
--- a/extra/filecoin-ffi
+++ b/extra/filecoin-ffi
@@ -1 +1 @@
-Subproject commit cddc56607e1d851ea6d09d49404bd7db70cb3c2e
+Subproject commit d70d49a742cde20bda233dbc63abebda0e8e4406
diff --git a/tvx/state/surgeon.go b/tvx/state/surgeon.go
index 59a90b820..69b454256 100644
--- a/tvx/state/surgeon.go
+++ b/tvx/state/surgeon.go
@@ -98,6 +98,9 @@ func (sg *Surgeon) GetAccessedActors(ctx context.Context, a api.FullNode, mid ci
 	if err != nil {
 		return nil, err
 	}
+	if msgInfo == nil {
+		return nil, fmt.Errorf("message info is nil")
+	}
 
 	msgObj, err := a.ChainGetMessage(ctx, mid)
 	if err != nil {