From beb2b95ff82c8f510709f27bc037940e59a31001 Mon Sep 17 00:00:00 2001
From: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
Date: Mon, 20 Nov 2023 17:23:02 +0100
Subject: [PATCH] set verkle mode from genesis with override

---
 cmd/geth/chaincmd.go | 2 +-
 core/genesis.go      | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go
index 55c22f7322f3..2179b61032b6 100644
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -214,7 +214,7 @@ func initGenesis(ctx *cli.Context) error {
 		}
 		triedb := trie.NewDatabaseWithConfig(chaindb, &trie.Config{
 			Preimages: ctx.Bool(utils.CachePreimagesFlag.Name),
-			Verkle:    true,
+			Verkle:    genesis.IsVerkle(),
 		})
 		_, hash, err := core.SetupGenesisBlockWithOverride(chaindb, triedb, genesis, &overrides)
 		if err != nil {
diff --git a/core/genesis.go b/core/genesis.go
index 74294afb7272..e6874039f2e2 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -456,6 +456,12 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
 	}
 }
 
+// IsVerkle indicates whether the state is already stored in a verkle
+// tree at genesis time.
+func (g *Genesis) IsVerkle() bool {
+	return g.Config.IsPrague(new(big.Int).SetUint64(g.Number), g.Timestamp)
+}
+
 // ToBlock returns the genesis block according to genesis specification.
 func (g *Genesis) ToBlock() *types.Block {
 	root, err := g.Alloc.deriveHash(g.Config, g.Timestamp)