From 5a3fa47b95359b91a1097609b3887369ddd71d2c Mon Sep 17 00:00:00 2001
From: Evgeniy Stratonikov <evgeniy@nspcc.ru>
Date: Fri, 5 Mar 2021 18:09:05 +0300
Subject: [PATCH] encoding: panic on nil slice

After `state.StorageItem` became a slice of bytes
we no longer panic on accessing `si.Value`. This helps
to ensure that nothing was broken. Providing `nil` to `FromBytes`
is probably an error anyway.
---
 pkg/encoding/bigint/bigint.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/encoding/bigint/bigint.go b/pkg/encoding/bigint/bigint.go
index 9b77fae65..ed562821d 100644
--- a/pkg/encoding/bigint/bigint.go
+++ b/pkg/encoding/bigint/bigint.go
@@ -19,6 +19,9 @@ func FromBytes(data []byte) *big.Int {
 	n := new(big.Int)
 	size := len(data)
 	if size == 0 {
+		if data == nil {
+			panic("nil slice provided to `FromBytes`")
+		}
 		return big.NewInt(0)
 	}