From 7ff75ac2f2f8a62d52367271194aa7889a5b5c88 Mon Sep 17 00:00:00 2001
From: Jeffrey Wilcke <jeffrey@ethereum.org>
Date: Tue, 28 Feb 2017 23:18:13 +0100
Subject: cmd/utils, core, params: fork all teh things for dev mode (#3697)

---
 core/genesis.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'core')

diff --git a/core/genesis.go b/core/genesis.go
index d827ac1c1..9fa49f4d0 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -64,6 +64,9 @@ func WriteGenesisBlock(chainDb ethdb.Database, reader io.Reader) (*types.Block,
 	if err := json.Unmarshal(contents, &genesis); err != nil {
 		return nil, err
 	}
+	if genesis.ChainConfig == nil {
+		genesis.ChainConfig = params.AllProtocolChanges
+	}
 
 	// creating with empty hash always works
 	statedb, _ := state.New(common.Hash{}, chainDb)
-- 
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