From 2bc0a1240d4517a1c65358858487cb7600cc7f9f Mon Sep 17 00:00:00 2001
From: buddho <galaxystroller@gmail.com>
Date: Mon, 23 Dec 2024 16:34:26 +0800
Subject: [PATCH] eth: override chainconfig before create engine for testing
 (#2822)

---
 eth/backend.go | 51 +++++++++++++++++++++++++-------------------------
 1 file changed, 26 insertions(+), 25 deletions(-)

diff --git a/eth/backend.go b/eth/backend.go
index 50c0ed0a37..d2115eca93 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -177,6 +177,32 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	if err != nil {
 		return nil, err
 	}
+	// Override the chain config with provided settings.
+	var overrides core.ChainOverrides
+	if config.OverridePassedForkTime != nil {
+		chainConfig.ShanghaiTime = config.OverridePassedForkTime
+		chainConfig.KeplerTime = config.OverridePassedForkTime
+		chainConfig.FeynmanTime = config.OverridePassedForkTime
+		chainConfig.FeynmanFixTime = config.OverridePassedForkTime
+		chainConfig.CancunTime = config.OverridePassedForkTime
+		chainConfig.HaberTime = config.OverridePassedForkTime
+		chainConfig.HaberFixTime = config.OverridePassedForkTime
+		chainConfig.BohrTime = config.OverridePassedForkTime
+		overrides.OverridePassedForkTime = config.OverridePassedForkTime
+	}
+	if config.OverridePascal != nil {
+		chainConfig.PascalTime = config.OverridePascal
+		overrides.OverridePascal = config.OverridePascal
+	}
+	if config.OverridePrague != nil {
+		chainConfig.PragueTime = config.OverridePrague
+		overrides.OverridePrague = config.OverridePrague
+	}
+	if config.OverrideVerkle != nil {
+		chainConfig.VerkleTime = config.OverrideVerkle
+		overrides.OverrideVerkle = config.OverrideVerkle
+	}
+
 	// startup ancient freeze
 	freezeDb := chainDb
 	if stack.CheckIfMultiDataBase() {
@@ -278,31 +304,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 		}
 		vmConfig.Tracer = t
 	}
-	// Override the chain config with provided settings.
-	var overrides core.ChainOverrides
-	if config.OverridePassedForkTime != nil {
-		chainConfig.ShanghaiTime = config.OverridePassedForkTime
-		chainConfig.KeplerTime = config.OverridePassedForkTime
-		chainConfig.FeynmanTime = config.OverridePassedForkTime
-		chainConfig.FeynmanFixTime = config.OverridePassedForkTime
-		chainConfig.CancunTime = config.OverridePassedForkTime
-		chainConfig.HaberTime = config.OverridePassedForkTime
-		chainConfig.HaberFixTime = config.OverridePassedForkTime
-		chainConfig.BohrTime = config.OverridePassedForkTime
-		overrides.OverridePassedForkTime = config.OverridePassedForkTime
-	}
-	if config.OverridePascal != nil {
-		chainConfig.PascalTime = config.OverridePascal
-		overrides.OverridePascal = config.OverridePascal
-	}
-	if config.OverridePrague != nil {
-		chainConfig.PragueTime = config.OverridePrague
-		overrides.OverridePrague = config.OverridePrague
-	}
-	if config.OverrideVerkle != nil {
-		chainConfig.VerkleTime = config.OverrideVerkle
-		overrides.OverrideVerkle = config.OverrideVerkle
-	}
 
 	bcOps := make([]core.BlockChainOption, 0)
 	if config.PersistDiff {