From c73ba009031126e16da6999468851b33f93e8005 Mon Sep 17 00:00:00 2001
From: Determinant <tederminant@gmail.com>
Date: Mon, 3 Aug 2020 17:16:53 -0400
Subject: allow using extra binary data in a block for state transition

---
 consensus/consensus.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'consensus/consensus.go')

diff --git a/consensus/consensus.go b/consensus/consensus.go
index 93fc9dc..603a3e9 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -114,6 +114,8 @@ type Engine interface {
 
 	// Close terminates any background threads maintained by the consensus engine.
 	Close() error
+
+	ExtraStateChange(block *types.Block, statedb *state.StateDB) error
 }
 
 // PoW is a consensus engine based on proof-of-work.
-- 
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